Merge branch 'release/0.4.0'

8d4c8c3ce4 asio version 1.14.0 released
30336a0873 Revision history.
2a1f68845a On Windows, ensure global object destructors are run.
6f55aeecd0 Fix move-based async_accept between sockets with different executor types.
c1c068c6ad The executor is copied, not moved, when the I/O object moves.
37c8d91d21 Add runtime detection of native I/O executors when using polymorphic wrapper.

git-subtree-dir: Sources/OpenVPNAdapter/Libraries/Vendors/asio
git-subtree-split: 8d4c8c3ce43c866f609d2eda9a43fe5b334620be

.gitignore

@@ -48,3 +48,33 @@ playground.xcworkspace
 # Carthage/Checkouts
 
 Carthage/Build
+
+## macOS generated
+
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk

Configuration/Framework.xcconfig

@@ -8,7 +8,7 @@ CLANG_CXX_LANGUAGE_STANDARD = gnu++14
 CLANG_CXX_LIBRARY = libc++
 VENDORS_DIR = $(PROJECT_DIR)/Sources/OpenVPNAdapter/Libraries/Vendors
 HEADER_SEARCH_PATHS = "$(VENDORS_DIR)/asio/asio/include" "$(VENDORS_DIR)/lz4/include" "$(VENDORS_DIR)/mbedtls/include" "$(VENDORS_DIR)/openvpn"
-LIBRARY_SEARCH_PATHS[sdk=iphonesimulator*] = "$(VENDORS_DIR)/lz4/lib/sim" "$(VENDORS_DIR)/mbedtls/lib/sim"
+LIBRARY_SEARCH_PATHS[sdk=iphonesimulator*] = "$(VENDORS_DIR)/lz4/lib/ios" "$(VENDORS_DIR)/mbedtls/lib/ios"
 LIBRARY_SEARCH_PATHS[sdk=iphoneos*] = "$(VENDORS_DIR)/lz4/lib/ios" "$(VENDORS_DIR)/mbedtls/lib/ios"
 LIBRARY_SEARCH_PATHS[sdk=macosx*] = "$(VENDORS_DIR)/lz4/lib/macos" "$(VENDORS_DIR)/mbedtls/lib/macos"
 OTHER_LDFLAGS = -lmbedtls -lmbedx509 -lmbedcrypto -llz4

Configuration/Info-Framework.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>FMWK</string>
 	<key>CFBundleShortVersionString</key>
-	<string>0.2.0</string>
+	<string>0.4.0</string>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>
 	<key>NSPrincipalClass</key>

OpenVPNAdapter.podspec

@@ -3,7 +3,7 @@ Pod::Spec.new do |s|
   # ―――  Spec Metadata  ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #
 
   s.name = "OpenVPNAdapter"
-  s.version = "0.2.0"
+  s.version = "0.4.0"
   s.summary   = "Objective-C wrapper for OpenVPN library. Compatible with iOS and macOS."
   s.description = <<-DESC
     OpenVPNAdapter is an Objective-C framework that allows to easily configure and establish VPN connection using OpenVPN protocol.

OpenVPNAdapter.xcodeproj/project.pbxproj

@@ -1137,6 +1137,7 @@
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
 				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos";
+				SUPPORTS_MACCATALYST = NO;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 				SWIFT_VERSION = 4.0;
@@ -1185,6 +1186,7 @@
 				SDKROOT = iphoneos;
 				SKIP_INSTALL = YES;
 				SUPPORTED_PLATFORMS = "iphonesimulator iphoneos";
+				SUPPORTS_MACCATALYST = NO;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
 				SWIFT_VERSION = 4.0;
 				VERSIONING_SYSTEM = "apple-generic";

README.md

@@ -33,7 +33,7 @@ To install OpenVPNAdapter with Cocoapods, add the following lines to your `Podfi
 ```ruby
 target 'Your Target Name' do
   use_frameworks!
-  pod 'OpenVPNAdapter', :git => 'https://github.com/ss-abramchuk/OpenVPNAdapter.git', :tag => '0.2.0'
+  pod 'OpenVPNAdapter', :git => 'https://github.com/ss-abramchuk/OpenVPNAdapter.git', :tag => '0.4.0'
 end
 ```
 
@@ -177,6 +177,9 @@ class PacketTunnelProvider: NEPacketTunnelProvider {
             // Additional parameters as key:value pairs may be provided here
         ]
 
+        // Add this line if you want to keep TUN interface active during pauses or reconnections
+        configuration.tunPersist = true
+
         // Apply OpenVPN configuration
         let properties: OpenVPNProperties
         do {

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/COPYING

@@ -1,4 +1,4 @@
-Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
 Distributed under the Boost Software License, Version 1.0. (See accompanying
 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/README

@@ -1,4 +1,4 @@
-asio version 1.12.0
-Released Sunday, 04 March 2018.
+asio version 1.14.0
+Released Sunday, 14 April 2019.
 
 See doc/index.html for API documentation and a tutorial.

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/boostify.pl

@@ -281,7 +281,7 @@ sub copy_source_file
       $line =~ s/asio::/boost::asio::/g if !$is_xsl;
       print_line($output, $line, $from, $lineno);
     }
-    elsif ($line =~ /} \/\/ namespace std/)
+    elsif ($line =~ /^} \/\/ namespace std/)
     {
       print_line($output, "} // namespace system", $from, $lineno);
       print_line($output, "} // namespace boost", $from, $lineno);
@@ -365,6 +365,8 @@ sub copy_include_files
       "include/asio",
       "include/asio/detail",
       "include/asio/detail/impl",
+      "include/asio/experimental",
+      "include/asio/experimental/impl",
       "include/asio/generic",
       "include/asio/generic/detail",
       "include/asio/generic/detail/impl",
@@ -528,8 +530,15 @@ sub copy_examples
       "src/examples/cpp11/local",
       "src/examples/cpp11/multicast",
       "src/examples/cpp11/nonblocking",
+      "src/examples/cpp11/operations",
+      "src/examples/cpp11/socks4",
       "src/examples/cpp11/spawn",
-      "src/examples/cpp14/executors");
+      "src/examples/cpp11/ssl",
+      "src/examples/cpp11/timeouts",
+      "src/examples/cpp11/timers",
+      "src/examples/cpp14/executors",
+      "src/examples/cpp14/operations",
+      "src/examples/cpp17/coroutines_ts");
 
   our $boost_dir;
   foreach my $dir (@dirs)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/configure.ac

@@ -1,4 +1,4 @@
-AC_INIT(asio, [1.12.0])
+AC_INIT(asio, [1.14.0])
 AC_CONFIG_SRCDIR(include/asio.hpp)
 AM_MAINTAINER_MODE
 AM_INIT_AUTOMAKE([tar-ustar])
@@ -17,20 +17,12 @@ AC_ARG_WITH(boost,
   if test "${withval}" = no; then
     STANDALONE="yes"
   else
-    CPPFLAGS="$CPPFLAGS -I${withval} -DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING"
+    CPPFLAGS="$CPPFLAGS -I${withval} -DASIO_ENABLE_BOOST -DBOOST_CHRONO_HEADER_ONLY -DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING"
     LIBS="$LIBS -L${withval}/stage/lib"
   fi
 ],
 [
-  BOOSTDIR=`ls -1d ../boost_*_*_*/ 2>/dev/null | sort -t "_" -k 2nr -k 3nr -k 4nr | head -n 1 | sed -e 's/\/$//'`
-  if test "${BOOSTDIR}" != ""; then
-    BOOSTDIR="`pwd`/${BOOSTDIR}"
-    if test -d "${BOOSTDIR}"; then
-      echo "using automatically detected boost from ${BOOSTDIR}"
-      CPPFLAGS="$CPPFLAGS -I${BOOSTDIR} -DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING"
-      LIBS="$LIBS -L${BOOSTDIR}/stage/lib"
-    fi
-  fi
+  STANDALONE="yes"
 ])
 
 AC_ARG_ENABLE(separate-compilation,
@@ -50,6 +42,7 @@ if test "$STANDALONE" != yes; then
   [
     echo "Can't find boost headers. Please check the location of the boost"
     echo "distribution and rerun configure using the --with-boost=DIR option."
+    echo "Alternatively, run with --without-boost to enable standalone build."
     exit 1
   ],[])
 fi
@@ -101,7 +94,7 @@ case $host in
     WINDOWS=yes
     ;;
   *-pc-cygwin*)
-    CXXFLAGS="$CXXFLAGS -D__USE_W32_SOCKETS -D_WIN32_WINNT=0x0501"
+    CXXFLAGS="$CXXFLAGS -D__USE_W32_SOCKETS -D_WIN32_WINNT=0x0601"
     LIBS="$LIBS -lws2_32 -lmswsock"
     WINDOWS=yes
     ;;
@@ -117,13 +110,14 @@ case $host in
     CXXFLAGS="$CXXFLAGS -pthread"
     LDFLAGS="$LDFLAGS -pthread"
     ;;
+  *-*-haiku*)
+    CXXFLAGS="$CXXFLAGS -lnetwork"
+    LDFLAGS="$LDFLAGS -lnetwork"
+
 esac
 
 if test "$GXX" = yes; then
   CXXFLAGS="$CXXFLAGS -ftemplate-depth-256"
-  if test "$STANDALONE" = yes; then
-    CPPFLAGS="-std=c++0x $CPPFLAGS"
-  fi
 fi
 
 if test "$STANDALONE" = yes; then
@@ -134,6 +128,37 @@ if test "$SEPARATE_COMPILATION" = yes; then
   CPPFLAGS="$CPPFLAGS -DASIO_SEPARATE_COMPILATION"
 fi
 
+AC_MSG_CHECKING([whether C++11 is enabled])
+AC_COMPILE_IFELSE(
+  [AC_LANG_PROGRAM(
+    [[#if __cplusplus < 201103L]]
+    [[#error C++11 not available]]
+    [[#endif]])],
+  [AC_MSG_RESULT([yes])
+    HAVE_CXX11=yes;],
+  [AC_MSG_RESULT([no])
+    HAVE_CXX11=no;])
+
+AC_MSG_CHECKING([whether C++14 is enabled])
+AC_COMPILE_IFELSE(
+  [AC_LANG_PROGRAM(
+    [[#if __cplusplus < 201402L]]
+    [[#error C++14 not available]]
+    [[#endif]])],
+  [AC_MSG_RESULT([yes])
+    HAVE_CXX14=yes;],
+  [AC_MSG_RESULT([no])
+    HAVE_CXX14=no;])
+
+if test "$GXX" = yes; then
+  if test "$STANDALONE" = yes; then
+    if test "$HAVE_CXX11" = no; then
+      HAVE_CXX11=yes
+      CPPFLAGS="-std=c++0x $CPPFLAGS"
+    fi
+  fi
+fi
+
 AM_CONDITIONAL(STANDALONE,test x$STANDALONE = xyes)
 
 AM_CONDITIONAL(SEPARATE_COMPILATION,test x$SEPARATE_COMPILATION = xyes)
@@ -142,6 +167,10 @@ AM_CONDITIONAL(HAVE_BOOST_COROUTINE,test x$HAVE_BOOST_COROUTINE = xyes)
 
 AM_CONDITIONAL(WINDOWS_TARGET,test x$WINDOWS != xno)
 
+AM_CONDITIONAL(HAVE_CXX11,test x$HAVE_CXX11 = xyes)
+
+AM_CONDITIONAL(HAVE_CXX14,test x$HAVE_CXX14 = xyes)
+
 AC_OUTPUT([
   Makefile
   include/Makefile
@@ -149,4 +178,5 @@ AC_OUTPUT([
   src/tests/Makefile
   src/examples/cpp03/Makefile
   src/examples/cpp11/Makefile
-  src/examples/cpp14/Makefile])
+  src/examples/cpp14/Makefile
+  src/examples/cpp17/Makefile])

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/Makefile.am

@@ -3,6 +3,7 @@ nobase_include_HEADERS = \
 	asio/associated_allocator.hpp \
 	asio/associated_executor.hpp \
 	asio/async_result.hpp \
+	asio/awaitable.hpp \
 	asio/basic_datagram_socket.hpp \
 	asio/basic_deadline_timer.hpp \
 	asio/basic_io_object.hpp \
@@ -27,13 +28,14 @@ nobase_include_HEADERS = \
 	asio/buffered_write_stream.hpp \
 	asio/buffer.hpp \
 	asio/buffers_iterator.hpp \
+	asio/co_spawn.hpp \
 	asio/completion_condition.hpp \
+	asio/compose.hpp \
 	asio/connect.hpp \
 	asio/coroutine.hpp \
-	asio/datagram_socket_service.hpp \
 	asio/deadline_timer.hpp \
-	asio/deadline_timer_service.hpp \
 	asio/defer.hpp \
+	asio/detached.hpp \
 	asio/detail/array_fwd.hpp \
 	asio/detail/array.hpp \
 	asio/detail/assert.hpp \
@@ -64,10 +66,12 @@ nobase_include_HEADERS = \
 	asio/detail/epoll_reactor.hpp \
 	asio/detail/eventfd_select_interrupter.hpp \
 	asio/detail/event.hpp \
+	asio/detail/executor_function.hpp \
 	asio/detail/executor_op.hpp \
 	asio/detail/fd_set_adapter.hpp \
 	asio/detail/fenced_block.hpp \
 	asio/detail/functional.hpp \
+	asio/detail/future.hpp \
 	asio/detail/gcc_arm_fenced_block.hpp \
 	asio/detail/gcc_hppa_fenced_block.hpp \
 	asio/detail/gcc_sync_fenced_block.hpp \
@@ -131,6 +135,8 @@ nobase_include_HEADERS = \
 	asio/detail/impl/win_thread.ipp \
 	asio/detail/impl/win_tss_ptr.ipp \
 	asio/detail/io_control.hpp \
+	asio/detail/io_object_executor.hpp \
+	asio/detail/io_object_impl.hpp \
 	asio/detail/is_buffer_sequence.hpp \
 	asio/detail/is_executor.hpp \
 	asio/detail/keyword_tss_ptr.hpp \
@@ -140,6 +146,7 @@ nobase_include_HEADERS = \
 	asio/detail/macos_fenced_block.hpp \
 	asio/detail/memory.hpp \
 	asio/detail/mutex.hpp \
+	asio/detail/non_const_lvalue.hpp \
 	asio/detail/noncopyable.hpp \
 	asio/detail/null_event.hpp \
 	asio/detail/null_fenced_block.hpp \
@@ -284,8 +291,8 @@ nobase_include_HEADERS = \
 	asio/error_code.hpp \
 	asio/error.hpp \
 	asio/execution_context.hpp \
-	asio/executor_work_guard.hpp \
 	asio/executor.hpp \
+	asio/executor_work_guard.hpp \
 	asio/generic/basic_endpoint.hpp \
 	asio/generic/datagram_protocol.hpp \
 	asio/generic/detail/endpoint.hpp \
@@ -296,13 +303,16 @@ nobase_include_HEADERS = \
 	asio/handler_alloc_hook.hpp \
 	asio/handler_continuation_hook.hpp \
 	asio/handler_invoke_hook.hpp \
-	asio/handler_type.hpp \
 	asio/high_resolution_timer.hpp \
 	asio.hpp \
+	asio/impl/awaitable.hpp \
 	asio/impl/buffered_read_stream.hpp \
 	asio/impl/buffered_write_stream.hpp \
+	asio/impl/co_spawn.hpp \
+	asio/impl/compose.hpp \
 	asio/impl/connect.hpp \
 	asio/impl/defer.hpp \
+	asio/impl/detached.hpp \
 	asio/impl/dispatch.hpp \
 	asio/impl/error_code.ipp \
 	asio/impl/error.ipp \
@@ -317,6 +327,7 @@ nobase_include_HEADERS = \
 	asio/impl/read_at.hpp \
 	asio/impl/read.hpp \
 	asio/impl/read_until.hpp \
+	asio/impl/redirect_error.hpp \
 	asio/impl/serial_port_base.hpp \
 	asio/impl/serial_port_base.ipp \
 	asio/impl/spawn.hpp \
@@ -327,13 +338,14 @@ nobase_include_HEADERS = \
 	asio/impl/system_executor.hpp \
 	asio/impl/thread_pool.hpp \
 	asio/impl/thread_pool.ipp \
+	asio/impl/use_awaitable.hpp \
 	asio/impl/use_future.hpp \
 	asio/impl/write_at.hpp \
 	asio/impl/write.hpp \
-	asio/io_context_strand.hpp \
 	asio/io_context.hpp \
-	asio/io_service_strand.hpp \
+	asio/io_context_strand.hpp \
 	asio/io_service.hpp \
+	asio/io_service_strand.hpp \
 	asio/ip/address.hpp \
 	asio/ip/address_v4.hpp \
 	asio/ip/address_v4_iterator.hpp \
@@ -370,7 +382,6 @@ nobase_include_HEADERS = \
 	asio/ip/network_v6.hpp \
 	asio/ip/resolver_base.hpp \
 	asio/ip/resolver_query_base.hpp \
-	asio/ip/resolver_service.hpp \
 	asio/ip/tcp.hpp \
 	asio/ip/udp.hpp \
 	asio/ip/unicast.hpp \
@@ -388,22 +399,17 @@ nobase_include_HEADERS = \
 	asio/placeholders.hpp \
 	asio/posix/basic_descriptor.hpp \
 	asio/posix/basic_stream_descriptor.hpp \
-	asio/posix/descriptor.hpp \
 	asio/posix/descriptor_base.hpp \
+	asio/posix/descriptor.hpp \
 	asio/posix/stream_descriptor.hpp \
-	asio/posix/stream_descriptor_service.hpp \
 	asio/post.hpp \
-	asio/raw_socket_service.hpp \
 	asio/read_at.hpp \
 	asio/read.hpp \
 	asio/read_until.hpp \
-	asio/seq_packet_socket_service.hpp \
+	asio/redirect_error.hpp \
 	asio/serial_port_base.hpp \
 	asio/serial_port.hpp \
-	asio/serial_port_service.hpp \
 	asio/signal_set.hpp \
-	asio/signal_set_service.hpp \
-	asio/socket_acceptor_service.hpp \
 	asio/socket_base.hpp \
 	asio/spawn.hpp \
 	asio/ssl/context_base.hpp \
@@ -437,11 +443,11 @@ nobase_include_HEADERS = \
 	asio/steady_timer.hpp \
 	asio/strand.hpp \
 	asio/streambuf.hpp \
-	asio/stream_socket_service.hpp \
 	asio/system_context.hpp \
 	asio/system_error.hpp \
 	asio/system_executor.hpp \
 	asio/system_timer.hpp \
+	asio/this_coro.hpp \
 	asio/thread.hpp \
 	asio/thread_pool.hpp \
 	asio/time_traits.hpp \
@@ -454,23 +460,20 @@ nobase_include_HEADERS = \
 	asio/ts/socket.hpp \
 	asio/ts/timer.hpp \
 	asio/unyield.hpp \
+	asio/use_awaitable.hpp \
 	asio/use_future.hpp \
 	asio/uses_executor.hpp \
 	asio/version.hpp \
-	asio/waitable_timer_service.hpp \
 	asio/wait_traits.hpp \
-	asio/windows/basic_handle.hpp \
 	asio/windows/basic_object_handle.hpp \
+	asio/windows/basic_overlapped_handle.hpp \
 	asio/windows/basic_random_access_handle.hpp \
 	asio/windows/basic_stream_handle.hpp \
 	asio/windows/object_handle.hpp \
-	asio/windows/object_handle_service.hpp \
 	asio/windows/overlapped_handle.hpp \
 	asio/windows/overlapped_ptr.hpp \
 	asio/windows/random_access_handle.hpp \
-	asio/windows/random_access_handle_service.hpp \
 	asio/windows/stream_handle.hpp \
-	asio/windows/stream_handle_service.hpp \
 	asio/write_at.hpp \
 	asio/write.hpp \
 	asio/yield.hpp

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio.hpp

@@ -2,7 +2,7 @@
 // asio.hpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,6 +18,7 @@
 #include "asio/associated_allocator.hpp"
 #include "asio/associated_executor.hpp"
 #include "asio/async_result.hpp"
+#include "asio/awaitable.hpp"
 #include "asio/basic_datagram_socket.hpp"
 #include "asio/basic_deadline_timer.hpp"
 #include "asio/basic_io_object.hpp"
@@ -25,6 +26,7 @@
 #include "asio/basic_seq_packet_socket.hpp"
 #include "asio/basic_serial_port.hpp"
 #include "asio/basic_signal_set.hpp"
+#include "asio/basic_socket.hpp"
 #include "asio/basic_socket_acceptor.hpp"
 #include "asio/basic_socket_iostream.hpp"
 #include "asio/basic_socket_streambuf.hpp"
@@ -40,13 +42,14 @@
 #include "asio/buffered_write_stream_fwd.hpp"
 #include "asio/buffered_write_stream.hpp"
 #include "asio/buffers_iterator.hpp"
+#include "asio/co_spawn.hpp"
 #include "asio/completion_condition.hpp"
+#include "asio/compose.hpp"
 #include "asio/connect.hpp"
 #include "asio/coroutine.hpp"
-#include "asio/datagram_socket_service.hpp"
-#include "asio/deadline_timer_service.hpp"
 #include "asio/deadline_timer.hpp"
 #include "asio/defer.hpp"
+#include "asio/detached.hpp"
 #include "asio/dispatch.hpp"
 #include "asio/error.hpp"
 #include "asio/error_code.hpp"
@@ -61,7 +64,6 @@
 #include "asio/handler_alloc_hook.hpp"
 #include "asio/handler_continuation_hook.hpp"
 #include "asio/handler_invoke_hook.hpp"
-#include "asio/handler_type.hpp"
 #include "asio/high_resolution_timer.hpp"
 #include "asio/io_context.hpp"
 #include "asio/io_context_strand.hpp"
@@ -74,6 +76,8 @@
 #include "asio/ip/address_v6.hpp"
 #include "asio/ip/address_v6_iterator.hpp"
 #include "asio/ip/address_v6_range.hpp"
+#include "asio/ip/network_v4.hpp"
+#include "asio/ip/network_v6.hpp"
 #include "asio/ip/bad_address_cast.hpp"
 #include "asio/ip/basic_endpoint.hpp"
 #include "asio/ip/basic_resolver.hpp"
@@ -85,7 +89,6 @@
 #include "asio/ip/multicast.hpp"
 #include "asio/ip/resolver_base.hpp"
 #include "asio/ip/resolver_query_base.hpp"
-#include "asio/ip/resolver_service.hpp"
 #include "asio/ip/tcp.hpp"
 #include "asio/ip/udp.hpp"
 #include "asio/ip/unicast.hpp"
@@ -104,48 +107,40 @@
 #include "asio/posix/descriptor.hpp"
 #include "asio/posix/descriptor_base.hpp"
 #include "asio/posix/stream_descriptor.hpp"
-#include "asio/posix/stream_descriptor_service.hpp"
 #include "asio/post.hpp"
-#include "asio/raw_socket_service.hpp"
 #include "asio/read.hpp"
 #include "asio/read_at.hpp"
 #include "asio/read_until.hpp"
-#include "asio/seq_packet_socket_service.hpp"
+#include "asio/redirect_error.hpp"
 #include "asio/serial_port.hpp"
 #include "asio/serial_port_base.hpp"
-#include "asio/serial_port_service.hpp"
 #include "asio/signal_set.hpp"
-#include "asio/signal_set_service.hpp"
-#include "asio/socket_acceptor_service.hpp"
 #include "asio/socket_base.hpp"
 #include "asio/steady_timer.hpp"
 #include "asio/strand.hpp"
-#include "asio/stream_socket_service.hpp"
 #include "asio/streambuf.hpp"
 #include "asio/system_context.hpp"
 #include "asio/system_error.hpp"
 #include "asio/system_executor.hpp"
 #include "asio/system_timer.hpp"
+#include "asio/this_coro.hpp"
 #include "asio/thread.hpp"
 #include "asio/thread_pool.hpp"
 #include "asio/time_traits.hpp"
+#include "asio/use_awaitable.hpp"
 #include "asio/use_future.hpp"
 #include "asio/uses_executor.hpp"
 #include "asio/version.hpp"
 #include "asio/wait_traits.hpp"
-#include "asio/waitable_timer_service.hpp"
-#include "asio/windows/basic_handle.hpp"
 #include "asio/windows/basic_object_handle.hpp"
+#include "asio/windows/basic_overlapped_handle.hpp"
 #include "asio/windows/basic_random_access_handle.hpp"
 #include "asio/windows/basic_stream_handle.hpp"
 #include "asio/windows/object_handle.hpp"
-#include "asio/windows/object_handle_service.hpp"
 #include "asio/windows/overlapped_handle.hpp"
 #include "asio/windows/overlapped_ptr.hpp"
 #include "asio/windows/random_access_handle.hpp"
-#include "asio/windows/random_access_handle_service.hpp"
 #include "asio/windows/stream_handle.hpp"
-#include "asio/windows/stream_handle_service.hpp"
 #include "asio/write.hpp"
 #include "asio/write_at.hpp"
 

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/associated_allocator.hpp

@@ -2,7 +2,7 @@
 // associated_allocator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/associated_executor.hpp

@@ -2,7 +2,7 @@
 // associated_executor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/async_result.hpp

@@ -2,7 +2,7 @@
 // async_result.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,7 +17,7 @@
 
 #include "asio/detail/config.hpp"
 #include "asio/detail/type_traits.hpp"
-#include "asio/handler_type.hpp"
+#include "asio/detail/variadic_templates.hpp"
 
 #include "asio/detail/push_options.hpp"
 
@@ -41,30 +41,15 @@ namespace asio {
  * The primary template assumes that the CompletionToken is the completion
  * handler.
  */
-#if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
 template <typename CompletionToken, typename Signature>
-#else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-template <typename CompletionToken, typename Signature = void>
-#endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
 class async_result
 {
 public:
-#if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
   /// The concrete completion handler type for the specific signature.
   typedef CompletionToken completion_handler_type;
 
   /// The return type of the initiating function.
   typedef void return_type;
-#else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-  // For backward compatibility, determine the concrete completion handler type
-  // by using the legacy handler_type trait.
-  typedef typename handler_type<CompletionToken, Signature>::type
-    completion_handler_type;
-
-  // For backward compatibility, determine the initiating function return type
-  // using the legacy single-parameter version of async_result.
-  typedef typename async_result<completion_handler_type>::type return_type;
-#endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
 
   /// Construct an async result from a given handler.
   /**
@@ -73,11 +58,6 @@ public:
    * then returned from the initiating function.
    */
   explicit async_result(completion_handler_type& h)
-#if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    // No data members to initialise.
-#else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    : legacy_result_(h)
-#endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
   {
     (void)h;
   }
@@ -85,56 +65,60 @@ public:
   /// Obtain the value to be returned from the initiating function.
   return_type get()
   {
-#if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    // Nothing to do.
-#else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    return legacy_result_.get();
-#endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
   }
 
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES) \
+  || defined(GENERATING_DOCUMENTATION)
+
+  /// Initiate the asynchronous operation that will produce the result, and
+  /// obtain the value to be returned from the initiating function.
+  template <typename Initiation, typename RawCompletionToken, typename... Args>
+  static return_type initiate(
+      ASIO_MOVE_ARG(Initiation) initiation,
+      ASIO_MOVE_ARG(RawCompletionToken) token,
+      ASIO_MOVE_ARG(Args)... args)
+  {
+    ASIO_MOVE_CAST(Initiation)(initiation)(
+        ASIO_MOVE_CAST(RawCompletionToken)(token),
+        ASIO_MOVE_CAST(Args)(args)...);
+  }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+      //   || defined(GENERATING_DOCUMENTATION)
+
+  template <typename Initiation, typename RawCompletionToken>
+  static return_type initiate(
+      ASIO_MOVE_ARG(Initiation) initiation,
+      ASIO_MOVE_ARG(RawCompletionToken) token)
+  {
+    ASIO_MOVE_CAST(Initiation)(initiation)(
+        ASIO_MOVE_CAST(RawCompletionToken)(token));
+  }
+
+#define ASIO_PRIVATE_INITIATE_DEF(n) \
+  template <typename Initiation, typename RawCompletionToken, \
+      ASIO_VARIADIC_TPARAMS(n)> \
+  static return_type initiate( \
+      ASIO_MOVE_ARG(Initiation) initiation, \
+      ASIO_MOVE_ARG(RawCompletionToken) token, \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    ASIO_MOVE_CAST(Initiation)(initiation)( \
+        ASIO_MOVE_CAST(RawCompletionToken)(token), \
+        ASIO_VARIADIC_MOVE_ARGS(n)); \
+  } \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_INITIATE_DEF)
+#undef ASIO_PRIVATE_INITIATE_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+       //   || defined(GENERATING_DOCUMENTATION)
+
 private:
   async_result(const async_result&) ASIO_DELETED;
   async_result& operator=(const async_result&) ASIO_DELETED;
-
-#if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-  // No data members.
-#else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-  async_result<completion_handler_type> legacy_result_;
-#endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
 };
 
-#if !defined(ASIO_NO_DEPRECATED)
-
-/// (Deprecated: Use two-parameter version of async_result.) An interface for
-/// customising the behaviour of an initiating function.
-/**
- * This template may be specialised for user-defined handler types.
- */
-template <typename Handler>
-class async_result<Handler>
-{
-public:
-  /// The return type of the initiating function.
-  typedef void type;
-
-  /// Construct an async result from a given handler.
-  /**
-   * When using a specalised async_result, the constructor has an opportunity
-   * to initialise some state associated with the handler, which is then
-   * returned from the initiating function.
-   */
-  explicit async_result(Handler&)
-  {
-  }
-
-  /// Obtain the value to be returned from the initiating function.
-  type get()
-  {
-  }
-};
-
-#endif // !defined(ASIO_NO_DEPRECATED)
-
 /// Helper template to deduce the handler type from a CompletionToken, capture
 /// a local copy of the handler, and then create an async_result for the
 /// handler.
@@ -194,10 +178,40 @@ struct async_result_helper
 {
 };
 
-} // namespace detail
-} // namespace asio
+struct async_result_memfns_base
+{
+  void initiate();
+};
 
-#include "asio/detail/pop_options.hpp"
+template <typename T>
+struct async_result_memfns_derived
+  : T, async_result_memfns_base
+{
+};
+
+template <typename T, T>
+struct async_result_memfns_check
+{
+};
+
+template <typename>
+char (&async_result_initiate_memfn_helper(...))[2];
+
+template <typename T>
+char async_result_initiate_memfn_helper(
+    async_result_memfns_check<
+      void (async_result_memfns_base::*)(),
+      &async_result_memfns_derived<T>::initiate>*);
+
+template <typename CompletionToken, typename Signature>
+struct async_result_has_initiate_memfn
+  : integral_constant<bool, sizeof(async_result_initiate_memfn_helper<
+      async_result<typename decay<CompletionToken>::type, Signature>
+    >(0)) != 1>
+{
+};
+
+} // namespace detail
 
 #if defined(GENERATING_DOCUMENTATION)
 # define ASIO_INITFN_RESULT_TYPE(ct, sig) \
@@ -218,4 +232,125 @@ struct async_result_helper
     typename ::asio::decay<ct>::type, sig>::completion_handler_type
 #endif
 
+#if defined(GENERATING_DOCUMENTATION)
+
+template <typename CompletionToken, typename Signature,
+    typename Initiation, typename... Args>
+ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)
+async_initiate(ASIO_MOVE_ARG(Initiation) initiation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken),
+    ASIO_MOVE_ARG(Args)... args);
+
+#elif defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+template <typename CompletionToken, typename Signature,
+    typename Initiation, typename... Args>
+inline typename enable_if<
+    detail::async_result_has_initiate_memfn<CompletionToken, Signature>::value,
+    ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type
+async_initiate(ASIO_MOVE_ARG(Initiation) initiation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token,
+    ASIO_MOVE_ARG(Args)... args)
+{
+  return async_result<typename decay<CompletionToken>::type,
+    Signature>::initiate(ASIO_MOVE_CAST(Initiation)(initiation),
+      ASIO_MOVE_CAST(CompletionToken)(token),
+      ASIO_MOVE_CAST(Args)(args)...);
+}
+
+template <typename CompletionToken, typename Signature,
+    typename Initiation, typename... Args>
+inline typename enable_if<
+    !detail::async_result_has_initiate_memfn<CompletionToken, Signature>::value,
+    ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type
+async_initiate(ASIO_MOVE_ARG(Initiation) initiation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token,
+    ASIO_MOVE_ARG(Args)... args)
+{
+  async_completion<CompletionToken, Signature> completion(token);
+
+  ASIO_MOVE_CAST(Initiation)(initiation)(
+      ASIO_MOVE_CAST(ASIO_HANDLER_TYPE(CompletionToken,
+        Signature))(completion.completion_handler),
+      ASIO_MOVE_CAST(Args)(args)...);
+
+  return completion.result.get();
+}
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+template <typename CompletionToken, typename Signature, typename Initiation>
+inline typename enable_if<
+    detail::async_result_has_initiate_memfn<CompletionToken, Signature>::value,
+    ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type
+async_initiate(ASIO_MOVE_ARG(Initiation) initiation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token)
+{
+  return async_result<typename decay<CompletionToken>::type,
+    Signature>::initiate(ASIO_MOVE_CAST(Initiation)(initiation),
+      ASIO_MOVE_CAST(CompletionToken)(token));
+}
+
+template <typename CompletionToken, typename Signature, typename Initiation>
+inline typename enable_if<
+    !detail::async_result_has_initiate_memfn<CompletionToken, Signature>::value,
+    ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type
+async_initiate(ASIO_MOVE_ARG(Initiation) initiation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token)
+{
+  async_completion<CompletionToken, Signature> completion(token);
+
+  ASIO_MOVE_CAST(Initiation)(initiation)(
+      ASIO_MOVE_CAST(ASIO_HANDLER_TYPE(CompletionToken,
+        Signature))(completion.completion_handler));
+
+  return completion.result.get();
+}
+
+#define ASIO_PRIVATE_INITIATE_DEF(n) \
+  template <typename CompletionToken, typename Signature, \
+      typename Initiation, ASIO_VARIADIC_TPARAMS(n)> \
+  inline typename enable_if< \
+      detail::async_result_has_initiate_memfn< \
+        CompletionToken, Signature>::value, \
+      ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type \
+  async_initiate(ASIO_MOVE_ARG(Initiation) initiation, \
+      ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token, \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    return async_result<typename decay<CompletionToken>::type, \
+      Signature>::initiate(ASIO_MOVE_CAST(Initiation)(initiation), \
+        ASIO_MOVE_CAST(CompletionToken)(token), \
+        ASIO_VARIADIC_MOVE_ARGS(n)); \
+  } \
+  \
+  template <typename CompletionToken, typename Signature, \
+      typename Initiation, ASIO_VARIADIC_TPARAMS(n)> \
+  inline typename enable_if< \
+      !detail::async_result_has_initiate_memfn< \
+        CompletionToken, Signature>::value, \
+      ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)>::type \
+  async_initiate(ASIO_MOVE_ARG(Initiation) initiation, \
+      ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token, \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    async_completion<CompletionToken, Signature> completion(token); \
+  \
+    ASIO_MOVE_CAST(Initiation)(initiation)( \
+        ASIO_MOVE_CAST(ASIO_HANDLER_TYPE(CompletionToken, \
+          Signature))(completion.completion_handler), \
+        ASIO_VARIADIC_MOVE_ARGS(n)); \
+  \
+    return completion.result.get(); \
+  } \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_INITIATE_DEF)
+#undef ASIO_PRIVATE_INITIATE_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
 #endif // ASIO_ASYNC_RESULT_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/awaitable.hpp

@@ -0,0 +1,123 @@
+//
+// awaitable.hpp
+// ~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_AWAITABLE_HPP
+#define ASIO_AWAITABLE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#include <experimental/coroutine>
+#include "asio/executor.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+using std::experimental::coroutine_handle;
+using std::experimental::suspend_always;
+
+template <typename> class awaitable_thread;
+template <typename, typename> class awaitable_frame;
+
+} // namespace detail
+
+/// The return type of a coroutine or asynchronous operation.
+template <typename T, typename Executor = executor>
+class awaitable
+{
+public:
+  /// The type of the awaited value.
+  typedef T value_type;
+
+  /// The executor type that will be used for the coroutine.
+  typedef Executor executor_type;
+
+  /// Default constructor.
+  constexpr awaitable() noexcept
+    : frame_(nullptr)
+  {
+  }
+
+  /// Move constructor.
+  awaitable(awaitable&& other) noexcept
+    : frame_(std::exchange(other.frame_, nullptr))
+  {
+  }
+
+  /// Destructor
+  ~awaitable()
+  {
+    if (frame_)
+      frame_->destroy();
+  }
+
+  /// Checks if the awaitable refers to a future result.
+  bool valid() const noexcept
+  {
+    return !!frame_;
+  }
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+  // Support for co_await keyword.
+  bool await_ready() const noexcept
+  {
+    return false;
+  }
+
+  // Support for co_await keyword.
+  template <class U>
+  void await_suspend(
+      detail::coroutine_handle<detail::awaitable_frame<U, Executor>> h)
+  {
+    frame_->push_frame(&h.promise());
+  }
+
+  // Support for co_await keyword.
+  T await_resume()
+  {
+    return frame_->get();
+  }
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+private:
+  template <typename> friend class detail::awaitable_thread;
+  template <typename, typename> friend class detail::awaitable_frame;
+
+  // Not copy constructible or copy assignable.
+  awaitable(const awaitable&) = delete;
+  awaitable& operator=(const awaitable&) = delete;
+
+  // Construct the awaitable from a coroutine's frame object.
+  explicit awaitable(detail::awaitable_frame<T, Executor>* a)
+    : frame_(a)
+  {
+  }
+
+  detail::awaitable_frame<T, Executor>* frame_;
+};
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/awaitable.hpp"
+
+#endif // defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#endif // ASIO_AWAITABLE_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_datagram_socket.hpp

@@ -2,7 +2,7 @@
 // basic_datagram_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -19,18 +19,24 @@
 #include <cstddef>
 #include "asio/basic_socket.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/datagram_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
+#if !defined(ASIO_BASIC_DATAGRAM_SOCKET_FWD_DECL)
+#define ASIO_BASIC_DATAGRAM_SOCKET_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
+class basic_datagram_socket;
+
+#endif // !defined(ASIO_BASIC_DATAGRAM_SOCKET_FWD_DECL)
+
 /// Provides datagram-oriented socket functionality.
 /**
  * The basic_datagram_socket class template provides asynchronous and blocking
@@ -40,18 +46,28 @@ namespace asio {
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= datagram_socket_service<Protocol>)>
+template <typename Protocol, typename Executor>
 class basic_datagram_socket
-  : public basic_socket<Protocol ASIO_SVC_TARG>
+  : public basic_socket<Protocol, Executor>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the socket type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The socket type when rebound to the specified executor.
+    typedef basic_datagram_socket<Protocol, Executor1> other;
+  };
+
   /// The native representation of a socket.
 #if defined(GENERATING_DOCUMENTATION)
   typedef implementation_defined native_handle_type;
 #else
-  typedef typename basic_socket<
-    Protocol ASIO_SVC_TARG>::native_handle_type native_handle_type;
+  typedef typename basic_socket<Protocol,
+    Executor>::native_handle_type native_handle_type;
 #endif
 
   /// The protocol type.
@@ -65,12 +81,29 @@ public:
    * This constructor creates a datagram socket without opening it. The open()
    * function must be called before data can be sent or received on the socket.
    *
-   * @param io_context The io_context object that the datagram socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    */
-  explicit basic_datagram_socket(asio::io_context& io_context)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context)
+  explicit basic_datagram_socket(const executor_type& ex)
+    : basic_socket<Protocol, Executor>(ex)
+  {
+  }
+
+  /// Construct a basic_datagram_socket without opening it.
+  /**
+   * This constructor creates a datagram socket without opening it. The open()
+   * function must be called before data can be sent or received on the socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   */
+  template <typename ExecutionContext>
+  explicit basic_datagram_socket(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context)
   {
   }
 
@@ -78,17 +111,37 @@ public:
   /**
    * This constructor creates and opens a datagram socket.
    *
-   * @param io_context The io_context object that the datagram socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_datagram_socket(asio::io_context& io_context,
-      const protocol_type& protocol)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, protocol)
+  basic_datagram_socket(const executor_type& ex, const protocol_type& protocol)
+    : basic_socket<Protocol, Executor>(ex, protocol)
+  {
+  }
+
+  /// Construct and open a basic_datagram_socket.
+  /**
+   * This constructor creates and opens a datagram socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_datagram_socket(ExecutionContext& context,
+      const protocol_type& protocol,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol)
   {
   }
 
@@ -99,18 +152,42 @@ public:
    * to the specified endpoint on the local machine. The protocol used is the
    * protocol associated with the given endpoint.
    *
-   * @param io_context The io_context object that the datagram socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param endpoint An endpoint on the local machine to which the datagram
    * socket will be bound.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_datagram_socket(asio::io_context& io_context,
-      const endpoint_type& endpoint)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, endpoint)
+  basic_datagram_socket(const executor_type& ex, const endpoint_type& endpoint)
+    : basic_socket<Protocol, Executor>(ex, endpoint)
+  {
+  }
+
+  /// Construct a basic_datagram_socket, opening it and binding it to the given
+  /// local endpoint.
+  /**
+   * This constructor creates a datagram socket and automatically opens it bound
+   * to the specified endpoint on the local machine. The protocol used is the
+   * protocol associated with the given endpoint.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the datagram
+   * socket will be bound.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_datagram_socket(ExecutionContext& context,
+      const endpoint_type& endpoint,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, endpoint)
   {
   }
 
@@ -119,9 +196,8 @@ public:
    * This constructor creates a datagram socket object to hold an existing
    * native socket.
    *
-   * @param io_context The io_context object that the datagram socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
@@ -129,10 +205,34 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_datagram_socket(asio::io_context& io_context,
+  basic_datagram_socket(const executor_type& ex,
       const protocol_type& protocol, const native_handle_type& native_socket)
-    : basic_socket<Protocol ASIO_SVC_TARG>(
-        io_context, protocol, native_socket)
+    : basic_socket<Protocol, Executor>(ex, protocol, native_socket)
+  {
+  }
+
+  /// Construct a basic_datagram_socket on an existing native socket.
+  /**
+   * This constructor creates a datagram socket object to hold an existing
+   * native socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket The new underlying socket implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_datagram_socket(ExecutionContext& context,
+      const protocol_type& protocol, const native_handle_type& native_socket,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol, native_socket)
   {
   }
 
@@ -145,10 +245,11 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_datagram_socket(io_context&) constructor.
+   * constructed using the @c basic_datagram_socket(const executor_type&)
+   * constructor.
    */
   basic_datagram_socket(basic_datagram_socket&& other)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -161,11 +262,12 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_datagram_socket(io_context&) constructor.
+   * constructed using the @c basic_datagram_socket(const executor_type&)
+   * constructor.
    */
   basic_datagram_socket& operator=(basic_datagram_socket&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 
@@ -178,13 +280,16 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_datagram_socket(io_context&) constructor.
+   * constructed using the @c basic_datagram_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  basic_datagram_socket(
-      basic_datagram_socket<Protocol1 ASIO_SVC_TARG1>&& other,
-      typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+  template <typename Protocol1, typename Executor1>
+  basic_datagram_socket(basic_datagram_socket<Protocol1, Executor1>&& other,
+      typename enable_if<
+        is_convertible<Protocol1, Protocol>::value
+          && is_convertible<Executor1, Executor>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -198,14 +303,17 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_datagram_socket(io_context&) constructor.
+   * constructed using the @c basic_datagram_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  typename enable_if<is_convertible<Protocol1, Protocol>::value,
-      basic_datagram_socket>::type& operator=(
-        basic_datagram_socket<Protocol1 ASIO_SVC_TARG1>&& other)
+  template <typename Protocol1, typename Executor1>
+  typename enable_if<
+    is_convertible<Protocol1, Protocol>::value
+      && is_convertible<Executor1, Executor>::value,
+    basic_datagram_socket&
+  >::type operator=(basic_datagram_socket<Protocol1, Executor1>&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -245,8 +353,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -273,8 +381,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -300,8 +408,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous send on a connected socket.
@@ -322,9 +430,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_send operation can only be used with a connected socket.
    * Use the async_send_to function to send data on an unconnected datagram
@@ -345,22 +453,10 @@ public:
   async_send(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous send on a connected socket.
@@ -383,9 +479,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_send operation can only be used with a connected socket.
    * Use the async_send_to function to send data on an unconnected datagram
@@ -398,22 +494,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this, buffers, flags);
   }
 
   /// Send a datagram to the specified endpoint.
@@ -446,8 +529,8 @@ public:
       const endpoint_type& destination)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send_to(
-        this->get_implementation(), buffers, destination, 0, ec);
+    std::size_t s = this->impl_.get_service().send_to(
+        this->impl_.get_implementation(), buffers, destination, 0, ec);
     asio::detail::throw_error(ec, "send_to");
     return s;
   }
@@ -473,8 +556,8 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send_to(
-        this->get_implementation(), buffers, destination, flags, ec);
+    std::size_t s = this->impl_.get_service().send_to(
+        this->impl_.get_implementation(), buffers, destination, flags, ec);
     asio::detail::throw_error(ec, "send_to");
     return s;
   }
@@ -500,7 +583,7 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags,
       asio::error_code& ec)
   {
-    return this->get_service().send_to(this->get_implementation(),
+    return this->impl_.get_service().send_to(this->impl_.get_implementation(),
         buffers, destination, flags, ec);
   }
 
@@ -525,9 +608,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To send a single data buffer use the @ref buffer function as follows:
@@ -548,24 +631,10 @@ public:
       const endpoint_type& destination,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, 0,
-        ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, 0,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send_to(), handler, this, buffers,
+        destination, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous send.
@@ -591,9 +660,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename ConstBufferSequence, typename WriteHandler>
   ASIO_INITFN_RESULT_TYPE(WriteHandler,
@@ -602,24 +671,9 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, flags,
-        ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send_to(), handler, this, buffers, destination, flags);
   }
 
   /// Receive some data on a connected socket.
@@ -650,8 +704,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -679,8 +733,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -707,8 +761,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous receive on a connected socket.
@@ -729,9 +783,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_receive operation can only be used with a connected socket.
    * Use the async_receive_from function to receive data on an unconnected
@@ -753,22 +807,10 @@ public:
   async_receive(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous receive on a connected socket.
@@ -791,9 +833,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_receive operation can only be used with a connected socket.
    * Use the async_receive_from function to receive data on an unconnected
@@ -806,22 +848,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this, buffers, flags);
   }
 
   /// Receive a datagram with the endpoint of the sender.
@@ -855,8 +884,8 @@ public:
       endpoint_type& sender_endpoint)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0, ec);
+    std::size_t s = this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, 0, ec);
     asio::detail::throw_error(ec, "receive_from");
     return s;
   }
@@ -882,8 +911,8 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags, ec);
+    std::size_t s = this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, flags, ec);
     asio::detail::throw_error(ec, "receive_from");
     return s;
   }
@@ -909,8 +938,8 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags,
       asio::error_code& ec)
   {
-    return this->get_service().receive_from(this->get_implementation(),
-        buffers, sender_endpoint, flags, ec);
+    return this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, flags, ec);
   }
 
   /// Start an asynchronous receive.
@@ -936,9 +965,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To receive into a single data buffer use the @ref buffer function as
@@ -956,24 +985,10 @@ public:
       endpoint_type& sender_endpoint,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_from(), handler, this, buffers,
+        &sender_endpoint, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous receive.
@@ -1001,9 +1016,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename MutableBufferSequence, typename ReadHandler>
   ASIO_INITFN_RESULT_TYPE(ReadHandler,
@@ -1012,25 +1027,85 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_from(), handler,
+        this, buffers, &sender_endpoint, flags);
   }
+
+private:
+  struct initiate_async_send
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_datagram_socket* self, const ConstBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_send_to
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_datagram_socket* self, const ConstBufferSequence& buffers,
+        const endpoint_type& destination,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send_to(
+          self->impl_.get_implementation(), buffers, destination, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_datagram_socket* self, const MutableBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive_from
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_datagram_socket* self, const MutableBufferSequence& buffers,
+        endpoint_type* sender_endpoint, socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive_from(
+          self->impl_.get_implementation(), buffers, *sender_endpoint, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace asio

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_deadline_timer.hpp

@@ -2,7 +2,7 @@
 // basic_deadline_timer.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -21,19 +21,16 @@
   || defined(GENERATING_DOCUMENTATION)
 
 #include <cstddef>
-#include "asio/basic_io_object.hpp"
+#include "asio/detail/deadline_timer_service.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
 #include "asio/time_traits.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/deadline_timer_service.hpp"
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/detail/deadline_timer_service.hpp"
-# define ASIO_SVC_T detail::deadline_timer_service<TimeTraits>
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -57,7 +54,7 @@ namespace asio {
  * Performing a blocking wait:
  * @code
  * // Construct a timer without setting an expiry time.
- * asio::deadline_timer timer(io_context);
+ * asio::deadline_timer timer(my_context);
  *
  * // Set an expiry time relative to now.
  * timer.expires_from_now(boost::posix_time::seconds(5));
@@ -80,7 +77,7 @@ namespace asio {
  * ...
  *
  * // Construct a timer with an absolute expiry time.
- * asio::deadline_timer timer(io_context,
+ * asio::deadline_timer timer(my_context,
  *     boost::posix_time::time_from_string("2005-12-07 23:59:59.000"));
  *
  * // Start an asynchronous wait.
@@ -127,14 +124,13 @@ namespace asio {
  * it contains the value asio::error::operation_aborted.
  */
 template <typename Time,
-    typename TimeTraits = asio::time_traits<Time>
-    ASIO_SVC_TPARAM_DEF2(= deadline_timer_service<Time, TimeTraits>)>
+    typename TimeTraits = asio::time_traits<Time>,
+    typename Executor = executor>
 class basic_deadline_timer
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>
 {
 public:
   /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
   /// The time traits type.
   typedef TimeTraits traits_type;
@@ -151,11 +147,30 @@ public:
    * expires_at() or expires_from_now() functions must be called to set an
    * expiry time before the timer can be waited on.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    */
-  explicit basic_deadline_timer(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  explicit basic_deadline_timer(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Constructor.
+  /**
+   * This constructor creates a timer without setting an expiry time. The
+   * expires_at() or expires_from_now() functions must be called to set an
+   * expiry time before the timer can be waited on.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   */
+  template <typename ExecutionContext>
+  explicit basic_deadline_timer(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -163,18 +178,40 @@ public:
   /**
    * This constructor creates a timer and sets the expiry time.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    *
    * @param expiry_time The expiry time to be used for the timer, expressed
    * as an absolute time.
    */
-  basic_deadline_timer(asio::io_context& io_context,
-      const time_type& expiry_time)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  basic_deadline_timer(const executor_type& ex, const time_type& expiry_time)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().expires_at(this->get_implementation(), expiry_time, ec);
+    impl_.get_service().expires_at(impl_.get_implementation(), expiry_time, ec);
+    asio::detail::throw_error(ec, "expires_at");
+  }
+
+  /// Constructor to set a particular expiry time as an absolute time.
+  /**
+   * This constructor creates a timer and sets the expiry time.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer, expressed
+   * as an absolute time.
+   */
+  template <typename ExecutionContext>
+  basic_deadline_timer(ExecutionContext& context, const time_type& expiry_time,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().expires_at(impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_at");
   }
 
@@ -182,19 +219,44 @@ public:
   /**
    * This constructor creates a timer and sets the expiry time.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    *
    * @param expiry_time The expiry time to be used for the timer, relative to
    * now.
    */
-  basic_deadline_timer(asio::io_context& io_context,
+  basic_deadline_timer(const executor_type& ex,
       const duration_type& expiry_time)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().expires_from_now(
-        this->get_implementation(), expiry_time, ec);
+    impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
+    asio::detail::throw_error(ec, "expires_from_now");
+  }
+
+  /// Constructor to set a particular expiry time relative to now.
+  /**
+   * This constructor creates a timer and sets the expiry time.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer, relative to
+   * now.
+   */
+  template <typename ExecutionContext>
+  basic_deadline_timer(ExecutionContext& context,
+      const duration_type& expiry_time,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_from_now");
   }
 
@@ -207,10 +269,11 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_deadline_timer(io_context&) constructor.
+   * constructed using the @c basic_deadline_timer(const executor_type&)
+   * constructor.
    */
   basic_deadline_timer(basic_deadline_timer&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -223,11 +286,12 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_deadline_timer(io_context&) constructor.
+   * constructed using the @c basic_deadline_timer(const executor_type&)
+   * constructor.
    */
   basic_deadline_timer& operator=(basic_deadline_timer&& other)
   {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -241,45 +305,11 @@ public:
   {
   }
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  // These functions are provided by basic_io_object<>.
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Get the executor associated with the object.
   executor_type get_executor() ASIO_NOEXCEPT
   {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
+    return impl_.get_executor();
   }
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
   /// Cancel any asynchronous operations that are waiting on the timer.
   /**
@@ -306,7 +336,7 @@ public:
   std::size_t cancel()
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().cancel(this->get_implementation(), ec);
+    std::size_t s = impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
     return s;
   }
@@ -335,7 +365,7 @@ public:
    */
   std::size_t cancel(asio::error_code& ec)
   {
-    return this->get_service().cancel(this->get_implementation(), ec);
+    return impl_.get_service().cancel(impl_.get_implementation(), ec);
   }
 
   /// Cancels one asynchronous operation that is waiting on the timer.
@@ -365,8 +395,8 @@ public:
   std::size_t cancel_one()
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().cancel_one(
-        this->get_implementation(), ec);
+    std::size_t s = impl_.get_service().cancel_one(
+        impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel_one");
     return s;
   }
@@ -397,7 +427,7 @@ public:
    */
   std::size_t cancel_one(asio::error_code& ec)
   {
-    return this->get_service().cancel_one(this->get_implementation(), ec);
+    return impl_.get_service().cancel_one(impl_.get_implementation(), ec);
   }
 
   /// Get the timer's expiry time as an absolute time.
@@ -407,7 +437,7 @@ public:
    */
   time_type expires_at() const
   {
-    return this->get_service().expires_at(this->get_implementation());
+    return impl_.get_service().expires_at(impl_.get_implementation());
   }
 
   /// Set the timer's expiry time as an absolute time.
@@ -435,8 +465,8 @@ public:
   std::size_t expires_at(const time_type& expiry_time)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().expires_at(
-        this->get_implementation(), expiry_time, ec);
+    std::size_t s = impl_.get_service().expires_at(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_at");
     return s;
   }
@@ -466,8 +496,8 @@ public:
   std::size_t expires_at(const time_type& expiry_time,
       asio::error_code& ec)
   {
-    return this->get_service().expires_at(
-        this->get_implementation(), expiry_time, ec);
+    return impl_.get_service().expires_at(
+        impl_.get_implementation(), expiry_time, ec);
   }
 
   /// Get the timer's expiry time relative to now.
@@ -477,7 +507,7 @@ public:
    */
   duration_type expires_from_now() const
   {
-    return this->get_service().expires_from_now(this->get_implementation());
+    return impl_.get_service().expires_from_now(impl_.get_implementation());
   }
 
   /// Set the timer's expiry time relative to now.
@@ -505,8 +535,8 @@ public:
   std::size_t expires_from_now(const duration_type& expiry_time)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().expires_from_now(
-        this->get_implementation(), expiry_time, ec);
+    std::size_t s = impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_from_now");
     return s;
   }
@@ -536,8 +566,8 @@ public:
   std::size_t expires_from_now(const duration_type& expiry_time,
       asio::error_code& ec)
   {
-    return this->get_service().expires_from_now(
-        this->get_implementation(), expiry_time, ec);
+    return impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
   }
 
   /// Perform a blocking wait on the timer.
@@ -550,7 +580,7 @@ public:
   void wait()
   {
     asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), ec);
+    impl_.get_service().wait(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "wait");
   }
 
@@ -563,7 +593,7 @@ public:
    */
   void wait(asio::error_code& ec)
   {
-    this->get_service().wait(this->get_implementation(), ec);
+    impl_.get_service().wait(impl_.get_implementation(), ec);
   }
 
   /// Start an asynchronous wait on the timer.
@@ -586,42 +616,50 @@ public:
    *   const asio::error_code& error // Result of operation.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename WaitHandler>
   ASIO_INITFN_RESULT_TYPE(WaitHandler,
       void (asio::error_code))
   async_wait(ASIO_MOVE_ARG(WaitHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WaitHandler.
-    ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_wait(this->get_implementation(),
-        ASIO_MOVE_CAST(WaitHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_wait(this->get_implementation(),
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WaitHandler, void (asio::error_code)>(
+        initiate_async_wait(), handler, this);
   }
+
+private:
+  // Disallow copying and assignment.
+  basic_deadline_timer(const basic_deadline_timer&) ASIO_DELETED;
+  basic_deadline_timer& operator=(
+      const basic_deadline_timer&) ASIO_DELETED;
+
+  struct initiate_async_wait
+  {
+    template <typename WaitHandler>
+    void operator()(ASIO_MOVE_ARG(WaitHandler) handler,
+        basic_deadline_timer* self) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WaitHandler.
+      ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
+
+      detail::non_const_lvalue<WaitHandler> handler2(handler);
+      self->impl_.get_service().async_wait(
+          self->impl_.get_implementation(), handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+  detail::io_object_impl<
+    detail::deadline_timer_service<TimeTraits>, Executor> impl_;
 };
 
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // defined(ASIO_HAS_BOOST_DATE_TIME)
        // || defined(GENERATING_DOCUMENTATION)
 

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_io_object.hpp

@@ -2,7 +2,7 @@
 // basic_io_object.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_raw_socket.hpp

@@ -2,7 +2,7 @@
 // basic_raw_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -19,18 +19,24 @@
 #include <cstddef>
 #include "asio/basic_socket.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/raw_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
+#if !defined(ASIO_BASIC_RAW_SOCKET_FWD_DECL)
+#define ASIO_BASIC_RAW_SOCKET_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
+class basic_raw_socket;
+
+#endif // !defined(ASIO_BASIC_RAW_SOCKET_FWD_DECL)
+
 /// Provides raw-oriented socket functionality.
 /**
  * The basic_raw_socket class template provides asynchronous and blocking
@@ -40,18 +46,28 @@ namespace asio {
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= raw_socket_service<Protocol>)>
+template <typename Protocol, typename Executor>
 class basic_raw_socket
-  : public basic_socket<Protocol ASIO_SVC_TARG>
+  : public basic_socket<Protocol, Executor>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the socket type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The socket type when rebound to the specified executor.
+    typedef basic_raw_socket<Protocol, Executor1> other;
+  };
+
   /// The native representation of a socket.
 #if defined(GENERATING_DOCUMENTATION)
   typedef implementation_defined native_handle_type;
 #else
-  typedef typename basic_socket<
-    Protocol ASIO_SVC_TARG>::native_handle_type native_handle_type;
+  typedef typename basic_socket<Protocol,
+    Executor>::native_handle_type native_handle_type;
 #endif
 
   /// The protocol type.
@@ -65,12 +81,29 @@ public:
    * This constructor creates a raw socket without opening it. The open()
    * function must be called before data can be sent or received on the socket.
    *
-   * @param io_context The io_context object that the raw socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    */
-  explicit basic_raw_socket(asio::io_context& io_context)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context)
+  explicit basic_raw_socket(const executor_type& ex)
+    : basic_socket<Protocol, Executor>(ex)
+  {
+  }
+
+  /// Construct a basic_raw_socket without opening it.
+  /**
+   * This constructor creates a raw socket without opening it. The open()
+   * function must be called before data can be sent or received on the socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   */
+  template <typename ExecutionContext>
+  explicit basic_raw_socket(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context)
   {
   }
 
@@ -78,17 +111,36 @@ public:
   /**
    * This constructor creates and opens a raw socket.
    *
-   * @param io_context The io_context object that the raw socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_raw_socket(asio::io_context& io_context,
-      const protocol_type& protocol)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, protocol)
+  basic_raw_socket(const executor_type& ex, const protocol_type& protocol)
+    : basic_socket<Protocol, Executor>(ex, protocol)
+  {
+  }
+
+  /// Construct and open a basic_raw_socket.
+  /**
+   * This constructor creates and opens a raw socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_raw_socket(ExecutionContext& context, const protocol_type& protocol,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol)
   {
   }
 
@@ -99,18 +151,41 @@ public:
    * to the specified endpoint on the local machine. The protocol used is the
    * protocol associated with the given endpoint.
    *
-   * @param io_context The io_context object that the raw socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param endpoint An endpoint on the local machine to which the raw
    * socket will be bound.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_raw_socket(asio::io_context& io_context,
-      const endpoint_type& endpoint)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, endpoint)
+  basic_raw_socket(const executor_type& ex, const endpoint_type& endpoint)
+    : basic_socket<Protocol, Executor>(ex, endpoint)
+  {
+  }
+
+  /// Construct a basic_raw_socket, opening it and binding it to the given
+  /// local endpoint.
+  /**
+   * This constructor creates a raw socket and automatically opens it bound
+   * to the specified endpoint on the local machine. The protocol used is the
+   * protocol associated with the given endpoint.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the raw
+   * socket will be bound.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_raw_socket(ExecutionContext& context, const endpoint_type& endpoint,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, endpoint)
   {
   }
 
@@ -119,9 +194,8 @@ public:
    * This constructor creates a raw socket object to hold an existing
    * native socket.
    *
-   * @param io_context The io_context object that the raw socket will use
-   * to dispatch handlers for any asynchronous operations performed on the
-   * socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
@@ -129,10 +203,34 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_raw_socket(asio::io_context& io_context,
+  basic_raw_socket(const executor_type& ex,
       const protocol_type& protocol, const native_handle_type& native_socket)
-    : basic_socket<Protocol ASIO_SVC_TARG>(
-        io_context, protocol, native_socket)
+    : basic_socket<Protocol, Executor>(ex, protocol, native_socket)
+  {
+  }
+
+  /// Construct a basic_raw_socket on an existing native socket.
+  /**
+   * This constructor creates a raw socket object to hold an existing
+   * native socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket The new underlying socket implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_raw_socket(ExecutionContext& context,
+      const protocol_type& protocol, const native_handle_type& native_socket,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol, native_socket)
   {
   }
 
@@ -145,10 +243,11 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_raw_socket(io_context&) constructor.
+   * constructed using the @c basic_raw_socket(const executor_type&)
+   * constructor.
    */
   basic_raw_socket(basic_raw_socket&& other)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -160,28 +259,34 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_raw_socket(io_context&) constructor.
+   * constructed using the @c basic_raw_socket(const executor_type&)
+   * constructor.
    */
   basic_raw_socket& operator=(basic_raw_socket&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 
-  /// Move-construct a basic_raw_socket from a socket of another protocol type.
+  /// Move-construct a basic_raw_socket from a socket of another protocol
+  /// type.
   /**
    * This constructor moves a raw socket from one object to another.
    *
-   * @param other The other basic_raw_socket object from which the move will
-   * occur.
+   * @param other The other basic_raw_socket object from which the move
+   * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_raw_socket(io_context&) constructor.
+   * constructed using the @c basic_raw_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  basic_raw_socket(basic_raw_socket<Protocol1 ASIO_SVC_TARG1>&& other,
-      typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+  template <typename Protocol1, typename Executor1>
+  basic_raw_socket(basic_raw_socket<Protocol1, Executor1>&& other,
+      typename enable_if<
+        is_convertible<Protocol1, Protocol>::value
+          && is_convertible<Executor1, Executor>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -193,14 +298,17 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_raw_socket(io_context&) constructor.
+   * constructed using the @c basic_raw_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  typename enable_if<is_convertible<Protocol1, Protocol>::value,
-      basic_raw_socket>::type& operator=(
-        basic_raw_socket<Protocol1 ASIO_SVC_TARG1>&& other)
+  template <typename Protocol1, typename Executor1>
+  typename enable_if<
+    is_convertible<Protocol1, Protocol>::value
+      && is_convertible<Executor1, Executor>::value,
+    basic_raw_socket&
+  >::type operator=(basic_raw_socket<Protocol1, Executor1>&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -239,8 +347,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -266,8 +374,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -292,8 +400,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous send on a connected socket.
@@ -314,9 +422,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_send operation can only be used with a connected socket.
    * Use the async_send_to function to send data on an unconnected raw
@@ -337,22 +445,10 @@ public:
   async_send(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous send on a connected socket.
@@ -375,9 +471,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_send operation can only be used with a connected socket.
    * Use the async_send_to function to send data on an unconnected raw
@@ -390,22 +486,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this, buffers, flags);
   }
 
   /// Send raw data to the specified endpoint.
@@ -438,8 +521,8 @@ public:
       const endpoint_type& destination)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send_to(
-        this->get_implementation(), buffers, destination, 0, ec);
+    std::size_t s = this->impl_.get_service().send_to(
+        this->impl_.get_implementation(), buffers, destination, 0, ec);
     asio::detail::throw_error(ec, "send_to");
     return s;
   }
@@ -465,8 +548,8 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send_to(
-        this->get_implementation(), buffers, destination, flags, ec);
+    std::size_t s = this->impl_.get_service().send_to(
+        this->impl_.get_implementation(), buffers, destination, flags, ec);
     asio::detail::throw_error(ec, "send_to");
     return s;
   }
@@ -492,7 +575,7 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags,
       asio::error_code& ec)
   {
-    return this->get_service().send_to(this->get_implementation(),
+    return this->impl_.get_service().send_to(this->impl_.get_implementation(),
         buffers, destination, flags, ec);
   }
 
@@ -517,9 +600,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To send a single data buffer use the @ref buffer function as follows:
@@ -540,22 +623,10 @@ public:
       const endpoint_type& destination,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send_to(this->get_implementation(),
-        buffers, destination, 0, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send_to(this->get_implementation(),
-        buffers, destination, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send_to(), handler, this, buffers,
+        destination, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous send.
@@ -581,9 +652,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename ConstBufferSequence, typename WriteHandler>
   ASIO_INITFN_RESULT_TYPE(WriteHandler,
@@ -592,24 +663,9 @@ public:
       const endpoint_type& destination, socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, flags,
-        ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send_to(
-        this->get_implementation(), buffers, destination, flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send_to(), handler, this, buffers, destination, flags);
   }
 
   /// Receive some data on a connected socket.
@@ -640,8 +696,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -669,8 +725,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -697,8 +753,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous receive on a connected socket.
@@ -719,9 +775,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_receive operation can only be used with a connected socket.
    * Use the async_receive_from function to receive data on an unconnected
@@ -743,22 +799,10 @@ public:
   async_receive(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous receive on a connected socket.
@@ -781,9 +825,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The async_receive operation can only be used with a connected socket.
    * Use the async_receive_from function to receive data on an unconnected
@@ -796,22 +840,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this, buffers, flags);
   }
 
   /// Receive raw data with the endpoint of the sender.
@@ -845,8 +876,8 @@ public:
       endpoint_type& sender_endpoint)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0, ec);
+    std::size_t s = this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, 0, ec);
     asio::detail::throw_error(ec, "receive_from");
     return s;
   }
@@ -872,8 +903,8 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags, ec);
+    std::size_t s = this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, flags, ec);
     asio::detail::throw_error(ec, "receive_from");
     return s;
   }
@@ -899,8 +930,8 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags,
       asio::error_code& ec)
   {
-    return this->get_service().receive_from(this->get_implementation(),
-        buffers, sender_endpoint, flags, ec);
+    return this->impl_.get_service().receive_from(
+        this->impl_.get_implementation(), buffers, sender_endpoint, flags, ec);
   }
 
   /// Start an asynchronous receive.
@@ -926,9 +957,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To receive into a single data buffer use the @ref buffer function as
@@ -946,24 +977,10 @@ public:
       endpoint_type& sender_endpoint,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, 0,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_from(), handler, this, buffers,
+        &sender_endpoint, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous receive.
@@ -991,9 +1008,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename MutableBufferSequence, typename ReadHandler>
   ASIO_INITFN_RESULT_TYPE(ReadHandler,
@@ -1002,25 +1019,85 @@ public:
       endpoint_type& sender_endpoint, socket_base::message_flags flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_from(
-        this->get_implementation(), buffers, sender_endpoint, flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_from(), handler,
+        this, buffers, &sender_endpoint, flags);
   }
+
+private:
+  struct initiate_async_send
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_raw_socket* self, const ConstBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_send_to
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_raw_socket* self, const ConstBufferSequence& buffers,
+        const endpoint_type& destination,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send_to(
+          self->impl_.get_implementation(), buffers, destination, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_raw_socket* self, const MutableBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive_from
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_raw_socket* self, const MutableBufferSequence& buffers,
+        endpoint_type* sender_endpoint, socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive_from(
+          self->impl_.get_implementation(), buffers, *sender_endpoint, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace asio

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_seq_packet_socket.hpp

@@ -2,7 +2,7 @@
 // basic_seq_packet_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -22,14 +22,19 @@
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/seq_packet_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
+#if !defined(ASIO_BASIC_SEQ_PACKET_SOCKET_FWD_DECL)
+#define ASIO_BASIC_SEQ_PACKET_SOCKET_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
+class basic_seq_packet_socket;
+
+#endif // !defined(ASIO_BASIC_SEQ_PACKET_SOCKET_FWD_DECL)
+
 /// Provides sequenced packet socket functionality.
 /**
  * The basic_seq_packet_socket class template provides asynchronous and blocking
@@ -39,18 +44,28 @@ namespace asio {
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= seq_packet_socket_service<Protocol>)>
+template <typename Protocol, typename Executor>
 class basic_seq_packet_socket
-  : public basic_socket<Protocol ASIO_SVC_TARG>
+  : public basic_socket<Protocol, Executor>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the socket type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The socket type when rebound to the specified executor.
+    typedef basic_seq_packet_socket<Protocol, Executor1> other;
+  };
+
   /// The native representation of a socket.
 #if defined(GENERATING_DOCUMENTATION)
   typedef implementation_defined native_handle_type;
 #else
-  typedef typename basic_socket<
-    Protocol ASIO_SVC_TARG>::native_handle_type native_handle_type;
+  typedef typename basic_socket<Protocol,
+    Executor>::native_handle_type native_handle_type;
 #endif
 
   /// The protocol type.
@@ -65,12 +80,30 @@ public:
    * socket needs to be opened and then connected or accepted before data can
    * be sent or received on it.
    *
-   * @param io_context The io_context object that the sequenced packet socket
-   * will use to dispatch handlers for any asynchronous operations performed on
-   * the socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    */
-  explicit basic_seq_packet_socket(asio::io_context& io_context)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context)
+  explicit basic_seq_packet_socket(const executor_type& ex)
+    : basic_socket<Protocol, Executor>(ex)
+  {
+  }
+
+  /// Construct a basic_seq_packet_socket without opening it.
+  /**
+   * This constructor creates a sequenced packet socket without opening it. The
+   * socket needs to be opened and then connected or accepted before data can
+   * be sent or received on it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   */
+  template <typename ExecutionContext>
+  explicit basic_seq_packet_socket(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context)
   {
   }
 
@@ -80,17 +113,40 @@ public:
    * needs to be connected or accepted before data can be sent or received on
    * it.
    *
-   * @param io_context The io_context object that the sequenced packet socket
-   * will use to dispatch handlers for any asynchronous operations performed on
-   * the socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_seq_packet_socket(asio::io_context& io_context,
+  basic_seq_packet_socket(const executor_type& ex,
       const protocol_type& protocol)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, protocol)
+    : basic_socket<Protocol, Executor>(ex, protocol)
+  {
+  }
+
+  /// Construct and open a basic_seq_packet_socket.
+  /**
+   * This constructor creates and opens a sequenced_packet socket. The socket
+   * needs to be connected or accepted before data can be sent or received on
+   * it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_seq_packet_socket(ExecutionContext& context,
+      const protocol_type& protocol,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol)
   {
   }
 
@@ -101,18 +157,43 @@ public:
    * it bound to the specified endpoint on the local machine. The protocol used
    * is the protocol associated with the given endpoint.
    *
-   * @param io_context The io_context object that the sequenced packet socket
-   * will use to dispatch handlers for any asynchronous operations performed on
-   * the socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param endpoint An endpoint on the local machine to which the sequenced
    * packet socket will be bound.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_seq_packet_socket(asio::io_context& io_context,
+  basic_seq_packet_socket(const executor_type& ex,
       const endpoint_type& endpoint)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, endpoint)
+    : basic_socket<Protocol, Executor>(ex, endpoint)
+  {
+  }
+
+  /// Construct a basic_seq_packet_socket, opening it and binding it to the
+  /// given local endpoint.
+  /**
+   * This constructor creates a sequenced packet socket and automatically opens
+   * it bound to the specified endpoint on the local machine. The protocol used
+   * is the protocol associated with the given endpoint.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the sequenced
+   * packet socket will be bound.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_seq_packet_socket(ExecutionContext& context,
+      const endpoint_type& endpoint,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, endpoint)
   {
   }
 
@@ -121,9 +202,8 @@ public:
    * This constructor creates a sequenced packet socket object to hold an
    * existing native socket.
    *
-   * @param io_context The io_context object that the sequenced packet socket
-   * will use to dispatch handlers for any asynchronous operations performed on
-   * the socket.
+   * @param ex The I/O executor that the socket will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
@@ -131,10 +211,34 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_seq_packet_socket(asio::io_context& io_context,
+  basic_seq_packet_socket(const executor_type& ex,
       const protocol_type& protocol, const native_handle_type& native_socket)
-    : basic_socket<Protocol ASIO_SVC_TARG>(
-        io_context, protocol, native_socket)
+    : basic_socket<Protocol, Executor>(ex, protocol, native_socket)
+  {
+  }
+
+  /// Construct a basic_seq_packet_socket on an existing native socket.
+  /**
+   * This constructor creates a sequenced packet socket object to hold an
+   * existing native socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket The new underlying socket implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_seq_packet_socket(ExecutionContext& context,
+      const protocol_type& protocol, const native_handle_type& native_socket,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol, native_socket)
   {
   }
 
@@ -148,10 +252,11 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_seq_packet_socket(io_context&) constructor.
+   * constructed using the @c basic_seq_packet_socket(const executor_type&)
+   * constructor.
    */
   basic_seq_packet_socket(basic_seq_packet_socket&& other)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -164,11 +269,12 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_seq_packet_socket(io_context&) constructor.
+   * constructed using the @c basic_seq_packet_socket(const executor_type&)
+   * constructor.
    */
   basic_seq_packet_socket& operator=(basic_seq_packet_socket&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 
@@ -182,13 +288,16 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_seq_packet_socket(io_context&) constructor.
+   * constructed using the @c basic_seq_packet_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  basic_seq_packet_socket(
-      basic_seq_packet_socket<Protocol1 ASIO_SVC_TARG1>&& other,
-      typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+  template <typename Protocol1, typename Executor1>
+  basic_seq_packet_socket(basic_seq_packet_socket<Protocol1, Executor1>&& other,
+      typename enable_if<
+        is_convertible<Protocol1, Protocol>::value
+          && is_convertible<Executor1, Executor>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -202,14 +311,17 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_seq_packet_socket(io_context&) constructor.
+   * constructed using the @c basic_seq_packet_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  typename enable_if<is_convertible<Protocol1, Protocol>::value,
-      basic_seq_packet_socket>::type& operator=(
-        basic_seq_packet_socket<Protocol1 ASIO_SVC_TARG1>&& other)
+  template <typename Protocol1, typename Executor1>
+  typename enable_if<
+    is_convertible<Protocol1, Protocol>::value
+      && is_convertible<Executor1, Executor>::value,
+    basic_seq_packet_socket&
+  >::type operator=(basic_seq_packet_socket<Protocol1, Executor1>&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -251,8 +363,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -279,8 +391,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous send.
@@ -303,9 +415,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To send a single data buffer use the @ref buffer function as follows:
@@ -323,22 +435,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this, buffers, flags);
   }
 
   /// Receive some data on the socket.
@@ -375,13 +474,8 @@ public:
       socket_base::message_flags& out_flags)
   {
     asio::error_code ec;
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, 0, out_flags, ec);
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    std::size_t s = this->get_service().receive_with_flags(
-        this->get_implementation(), buffers, 0, out_flags, ec);
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    std::size_t s = this->impl_.get_service().receive_with_flags(
+        this->impl_.get_implementation(), buffers, 0, out_flags, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -427,13 +521,8 @@ public:
       socket_base::message_flags& out_flags)
   {
     asio::error_code ec;
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, in_flags, out_flags, ec);
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    std::size_t s = this->get_service().receive_with_flags(
-        this->get_implementation(), buffers, in_flags, out_flags, ec);
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    std::size_t s = this->impl_.get_service().receive_with_flags(
+        this->impl_.get_implementation(), buffers, in_flags, out_flags, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -466,13 +555,8 @@ public:
       socket_base::message_flags in_flags,
       socket_base::message_flags& out_flags, asio::error_code& ec)
   {
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().receive(this->get_implementation(),
-        buffers, in_flags, out_flags, ec);
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().receive_with_flags(this->get_implementation(),
-        buffers, in_flags, out_flags, ec);
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return this->impl_.get_service().receive_with_flags(
+        this->impl_.get_implementation(), buffers, in_flags, out_flags, ec);
   }
 
   /// Start an asynchronous receive.
@@ -499,9 +583,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To receive into a single data buffer use the @ref buffer function as
@@ -520,24 +604,10 @@ public:
       socket_base::message_flags& out_flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(
-        this->get_implementation(), buffers, 0, out_flags,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_with_flags(
-        this->get_implementation(), buffers, 0, out_flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_with_flags(), handler, this,
+        buffers, socket_base::message_flags(0), &out_flags);
   }
 
   /// Start an asynchronous receive.
@@ -566,9 +636,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @par Example
    * To receive into a single data buffer use the @ref buffer function as
@@ -590,25 +660,49 @@ public:
       socket_base::message_flags& out_flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(
-        this->get_implementation(), buffers, in_flags, out_flags,
-        ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive_with_flags(
-        this->get_implementation(), buffers, in_flags, out_flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive_with_flags(), handler,
+        this, buffers, in_flags, &out_flags);
   }
+
+private:
+  struct initiate_async_send
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_seq_packet_socket* self, const ConstBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive_with_flags
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_seq_packet_socket* self, const MutableBufferSequence& buffers,
+        socket_base::message_flags in_flags,
+        socket_base::message_flags* out_flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive_with_flags(
+          self->impl_.get_implementation(), buffers, in_flags, *out_flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace asio

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_serial_port.hpp

@@ -2,7 +2,7 @@
 // basic_serial_port.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -18,18 +18,29 @@
 
 #include "asio/detail/config.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if defined(ASIO_HAS_SERIAL_PORT) \
   || defined(GENERATING_DOCUMENTATION)
 
 #include <string>
-#include "asio/basic_io_object.hpp"
+#include "asio/async_result.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
+#include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
 #include "asio/serial_port_base.hpp"
-#include "asio/serial_port_service.hpp"
+#if defined(ASIO_HAS_IOCP)
+# include "asio/detail/win_iocp_serial_port_service.hpp"
+#else
+# include "asio/detail/reactive_serial_port_service.hpp"
+#endif
+
+#if defined(ASIO_HAS_MOVE)
+# include <utility>
+#endif // defined(ASIO_HAS_MOVE)
 
 #include "asio/detail/push_options.hpp"
 
@@ -37,34 +48,63 @@ namespace asio {
 
 /// Provides serial port functionality.
 /**
- * The basic_serial_port class template provides functionality that is common
- * to all serial ports.
+ * The basic_serial_port class provides a wrapper over serial port
+ * functionality.
  *
  * @par Thread Safety
  * @e Distinct @e objects: Safe.@n
  * @e Shared @e objects: Unsafe.
  */
-template <typename SerialPortService = serial_port_service>
+template <typename Executor = executor>
 class basic_serial_port
-  : public basic_io_object<SerialPortService>,
-    public serial_port_base
+  : public serial_port_base
 {
 public:
-  /// The native representation of a serial port.
-  typedef typename SerialPortService::native_handle_type native_handle_type;
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
 
-  /// A basic_serial_port is always the lowest layer.
-  typedef basic_serial_port<SerialPortService> lowest_layer_type;
+  /// The native representation of a serial port.
+#if defined(GENERATING_DOCUMENTATION)
+  typedef implementation_defined native_handle_type;
+#elif defined(ASIO_HAS_IOCP)
+  typedef detail::win_iocp_serial_port_service::native_handle_type
+    native_handle_type;
+#else
+  typedef detail::reactive_serial_port_service::native_handle_type
+    native_handle_type;
+#endif
+
+  /// A basic_basic_serial_port is always the lowest layer.
+  typedef basic_serial_port lowest_layer_type;
 
   /// Construct a basic_serial_port without opening it.
   /**
    * This constructor creates a serial port without opening it.
    *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
    */
-  explicit basic_serial_port(asio::io_context& io_context)
-    : basic_io_object<SerialPortService>(io_context)
+  explicit basic_serial_port(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Construct a basic_serial_port without opening it.
+  /**
+   * This constructor creates a serial port without opening it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
+   */
+  template <typename ExecutionContext>
+  explicit basic_serial_port(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value,
+        basic_serial_port
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -73,18 +113,18 @@ public:
    * This constructor creates and opens a serial port for the specified device
    * name.
    *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
    *
    * @param device The platform-specific device name for this serial
    * port.
    */
-  explicit basic_serial_port(asio::io_context& io_context,
-      const char* device)
-    : basic_io_object<SerialPortService>(io_context)
+  basic_serial_port(const executor_type& ex, const char* device)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     asio::detail::throw_error(ec, "open");
   }
 
@@ -93,18 +133,66 @@ public:
    * This constructor creates and opens a serial port for the specified device
    * name.
    *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
    *
    * @param device The platform-specific device name for this serial
    * port.
    */
-  explicit basic_serial_port(asio::io_context& io_context,
-      const std::string& device)
-    : basic_io_object<SerialPortService>(io_context)
+  template <typename ExecutionContext>
+  basic_serial_port(ExecutionContext& context, const char* device,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
     asio::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
+    asio::detail::throw_error(ec, "open");
+  }
+
+  /// Construct and open a basic_serial_port.
+  /**
+   * This constructor creates and opens a serial port for the specified device
+   * name.
+   *
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
+   *
+   * @param device The platform-specific device name for this serial
+   * port.
+   */
+  basic_serial_port(const executor_type& ex, const std::string& device)
+    : impl_(ex)
+  {
+    asio::error_code ec;
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
+    asio::detail::throw_error(ec, "open");
+  }
+
+  /// Construct and open a basic_serial_port.
+  /**
+   * This constructor creates and opens a serial port for the specified device
+   * name.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
+   *
+   * @param device The platform-specific device name for this serial
+   * port.
+   */
+  template <typename ExecutionContext>
+  basic_serial_port(ExecutionContext& context, const std::string& device,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     asio::detail::throw_error(ec, "open");
   }
 
@@ -113,19 +201,47 @@ public:
    * This constructor creates a serial port object to hold an existing native
    * serial port.
    *
-   * @param io_context The io_context object that the serial port will use to
-   * dispatch handlers for any asynchronous operations performed on the port.
+   * @param ex The I/O executor that the serial port will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * serial port.
    *
    * @param native_serial_port A native serial port.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_serial_port(asio::io_context& io_context,
+  basic_serial_port(const executor_type& ex,
       const native_handle_type& native_serial_port)
-    : basic_io_object<SerialPortService>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
+        native_serial_port, ec);
+    asio::detail::throw_error(ec, "assign");
+  }
+
+  /// Construct a basic_serial_port on an existing native serial port.
+  /**
+   * This constructor creates a serial port object to hold an existing native
+   * serial port.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the serial port will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the serial port.
+   *
+   * @param native_serial_port A native serial port.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_serial_port(ExecutionContext& context,
+      const native_handle_type& native_serial_port,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().assign(impl_.get_implementation(),
         native_serial_port, ec);
     asio::detail::throw_error(ec, "assign");
   }
@@ -139,11 +255,11 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_serial_port(io_context&) constructor.
+   * constructed using the @c basic_serial_port(const executor_type&)
+   * constructor.
    */
   basic_serial_port(basic_serial_port&& other)
-    : basic_io_object<SerialPortService>(
-        ASIO_MOVE_CAST(basic_serial_port)(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -155,16 +271,32 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_serial_port(io_context&) constructor.
+   * constructed using the @c basic_serial_port(const executor_type&)
+   * constructor.
    */
   basic_serial_port& operator=(basic_serial_port&& other)
   {
-    basic_io_object<SerialPortService>::operator=(
-        ASIO_MOVE_CAST(basic_serial_port)(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
+  /// Destroys the serial port.
+  /**
+   * This function destroys the serial port, cancelling any outstanding
+   * asynchronous wait operations associated with the serial port as if by
+   * calling @c cancel.
+   */
+  ~basic_serial_port()
+  {
+  }
+
+  /// Get the executor associated with the object.
+  executor_type get_executor() ASIO_NOEXCEPT
+  {
+    return impl_.get_executor();
+  }
+
   /// Get a reference to the lowest layer.
   /**
    * This function returns a reference to the lowest layer in a stack of
@@ -204,7 +336,7 @@ public:
   void open(const std::string& device)
   {
     asio::error_code ec;
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     asio::detail::throw_error(ec, "open");
   }
 
@@ -220,7 +352,7 @@ public:
   ASIO_SYNC_OP_VOID open(const std::string& device,
       asio::error_code& ec)
   {
-    this->get_service().open(this->get_implementation(), device, ec);
+    impl_.get_service().open(impl_.get_implementation(), device, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -235,7 +367,7 @@ public:
   void assign(const native_handle_type& native_serial_port)
   {
     asio::error_code ec;
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         native_serial_port, ec);
     asio::detail::throw_error(ec, "assign");
   }
@@ -251,7 +383,7 @@ public:
   ASIO_SYNC_OP_VOID assign(const native_handle_type& native_serial_port,
       asio::error_code& ec)
   {
-    this->get_service().assign(this->get_implementation(),
+    impl_.get_service().assign(impl_.get_implementation(),
         native_serial_port, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
@@ -259,7 +391,7 @@ public:
   /// Determine whether the serial port is open.
   bool is_open() const
   {
-    return this->get_service().is_open(this->get_implementation());
+    return impl_.get_service().is_open(impl_.get_implementation());
   }
 
   /// Close the serial port.
@@ -273,7 +405,7 @@ public:
   void close()
   {
     asio::error_code ec;
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "close");
   }
 
@@ -287,7 +419,7 @@ public:
    */
   ASIO_SYNC_OP_VOID close(asio::error_code& ec)
   {
-    this->get_service().close(this->get_implementation(), ec);
+    impl_.get_service().close(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -299,7 +431,7 @@ public:
    */
   native_handle_type native_handle()
   {
-    return this->get_service().native_handle(this->get_implementation());
+    return impl_.get_service().native_handle(impl_.get_implementation());
   }
 
   /// Cancel all asynchronous operations associated with the serial port.
@@ -313,7 +445,7 @@ public:
   void cancel()
   {
     asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
   }
 
@@ -327,7 +459,7 @@ public:
    */
   ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
   {
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -341,7 +473,7 @@ public:
   void send_break()
   {
     asio::error_code ec;
-    this->get_service().send_break(this->get_implementation(), ec);
+    impl_.get_service().send_break(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "send_break");
   }
 
@@ -354,7 +486,7 @@ public:
    */
   ASIO_SYNC_OP_VOID send_break(asio::error_code& ec)
   {
-    this->get_service().send_break(this->get_implementation(), ec);
+    impl_.get_service().send_break(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -377,7 +509,7 @@ public:
   void set_option(const SettableSerialPortOption& option)
   {
     asio::error_code ec;
-    this->get_service().set_option(this->get_implementation(), option, ec);
+    impl_.get_service().set_option(impl_.get_implementation(), option, ec);
     asio::detail::throw_error(ec, "set_option");
   }
 
@@ -400,7 +532,7 @@ public:
   ASIO_SYNC_OP_VOID set_option(const SettableSerialPortOption& option,
       asio::error_code& ec)
   {
-    this->get_service().set_option(this->get_implementation(), option, ec);
+    impl_.get_service().set_option(impl_.get_implementation(), option, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -424,7 +556,7 @@ public:
   void get_option(GettableSerialPortOption& option)
   {
     asio::error_code ec;
-    this->get_service().get_option(this->get_implementation(), option, ec);
+    impl_.get_service().get_option(impl_.get_implementation(), option, ec);
     asio::detail::throw_error(ec, "get_option");
   }
 
@@ -448,7 +580,7 @@ public:
   ASIO_SYNC_OP_VOID get_option(GettableSerialPortOption& option,
       asio::error_code& ec)
   {
-    this->get_service().get_option(this->get_implementation(), option, ec);
+    impl_.get_service().get_option(impl_.get_implementation(), option, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -473,7 +605,7 @@ public:
    * @par Example
    * To write a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.write_some(asio::buffer(data, size));
+   * basic_serial_port.write_some(asio::buffer(data, size));
    * @endcode
    * See the @ref buffer documentation for information on writing multiple
    * buffers in one go, and how to use it with arrays, boost::array or
@@ -483,8 +615,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
+    std::size_t s = impl_.get_service().write_some(
+        impl_.get_implementation(), buffers, ec);
     asio::detail::throw_error(ec, "write_some");
     return s;
   }
@@ -509,8 +641,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().write_some(
-        this->get_implementation(), buffers, ec);
+    return impl_.get_service().write_some(
+        impl_.get_implementation(), buffers, ec);
   }
 
   /// Start an asynchronous write.
@@ -531,9 +663,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes written.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The write operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write function if you need to ensure that all
@@ -542,7 +674,8 @@ public:
    * @par Example
    * To write a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.async_write_some(asio::buffer(data, size), handler);
+   * basic_serial_port.async_write_some(
+   *     asio::buffer(data, size), handler);
    * @endcode
    * See the @ref buffer documentation for information on writing multiple
    * buffers in one go, and how to use it with arrays, boost::array or
@@ -554,12 +687,9 @@ public:
   async_write_some(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-    return this->get_service().async_write_some(this->get_implementation(),
-        buffers, ASIO_MOVE_CAST(WriteHandler)(handler));
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_write_some(), handler, this, buffers);
   }
 
   /// Read some data from the serial port.
@@ -584,7 +714,7 @@ public:
    * @par Example
    * To read into a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.read_some(asio::buffer(data, size));
+   * basic_serial_port.read_some(asio::buffer(data, size));
    * @endcode
    * See the @ref buffer documentation for information on reading into multiple
    * buffers in one go, and how to use it with arrays, boost::array or
@@ -594,8 +724,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
+    std::size_t s = impl_.get_service().read_some(
+        impl_.get_implementation(), buffers, ec);
     asio::detail::throw_error(ec, "read_some");
     return s;
   }
@@ -621,8 +751,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().read_some(
-        this->get_implementation(), buffers, ec);
+    return impl_.get_service().read_some(
+        impl_.get_implementation(), buffers, ec);
   }
 
   /// Start an asynchronous read.
@@ -643,9 +773,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes read.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The read operation may not read all of the requested number of bytes.
    * Consider using the @ref async_read function if you need to ensure that the
@@ -655,7 +785,8 @@ public:
    * @par Example
    * To read into a single data buffer use the @ref buffer function as follows:
    * @code
-   * serial_port.async_read_some(asio::buffer(data, size), handler);
+   * basic_serial_port.async_read_some(
+   *     asio::buffer(data, size), handler);
    * @endcode
    * See the @ref buffer documentation for information on reading into multiple
    * buffers in one go, and how to use it with arrays, boost::array or
@@ -667,13 +798,55 @@ public:
   async_read_some(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-    return this->get_service().async_read_some(this->get_implementation(),
-        buffers, ASIO_MOVE_CAST(ReadHandler)(handler));
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_read_some(), handler, this, buffers);
   }
+
+private:
+  // Disallow copying and assignment.
+  basic_serial_port(const basic_serial_port&) ASIO_DELETED;
+  basic_serial_port& operator=(const basic_serial_port&) ASIO_DELETED;
+
+  struct initiate_async_write_some
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_serial_port* self, const ConstBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_write_some(
+          self->impl_.get_implementation(), buffers, handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_read_some
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_serial_port* self, const MutableBufferSequence& buffers) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_read_some(
+          self->impl_.get_implementation(), buffers, handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+#if defined(ASIO_HAS_IOCP)
+  detail::io_object_impl<detail::win_iocp_serial_port_service, Executor> impl_;
+#else
+  detail::io_object_impl<detail::reactive_serial_port_service, Executor> impl_;
+#endif
 };
 
 } // namespace asio
@@ -683,6 +856,4 @@ public:
 #endif // defined(ASIO_HAS_SERIAL_PORT)
        //   || defined(GENERATING_DOCUMENTATION)
 
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_BASIC_SERIAL_PORT_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_signal_set.hpp

@@ -2,7 +2,7 @@
 // basic_signal_set.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,24 +17,23 @@
 
 #include "asio/detail/config.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include "asio/basic_io_object.hpp"
+#include "asio/async_result.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
+#include "asio/detail/signal_set_service.hpp"
 #include "asio/detail/throw_error.hpp"
+#include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
-#include "asio/signal_set_service.hpp"
-
-#include "asio/detail/push_options.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/executor.hpp"
 
 namespace asio {
 
 /// Provides signal functionality.
 /**
- * The basic_signal_set class template provides the ability to perform an
- * asynchronous wait for one or more signals to occur.
- *
- * Most applications will use the asio::signal_set typedef.
+ * The basic_signal_set class provides the ability to perform an asynchronous
+ * wait for one or more signals to occur.
  *
  * @par Thread Safety
  * @e Distinct @e objects: Safe.@n
@@ -56,7 +55,7 @@ namespace asio {
  * ...
  *
  * // Construct a signal set registered for process termination.
- * asio::signal_set signals(io_context, SIGINT, SIGTERM);
+ * asio::signal_set signals(my_context, SIGINT, SIGTERM);
  *
  * // Start an asynchronous wait for one of the signals to occur.
  * signals.async_wait(handler);
@@ -91,20 +90,40 @@ namespace asio {
  * that any signals registered using signal_set objects are unblocked in at
  * least one thread.
  */
-template <typename SignalSetService = signal_set_service>
+template <typename Executor = executor>
 class basic_signal_set
-  : public basic_io_object<SignalSetService>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
   /// Construct a signal set without adding any signals.
   /**
    * This constructor creates a signal set without registering for any signals.
    *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
+   * @param ex The I/O executor that the signal set will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * signal set.
    */
-  explicit basic_signal_set(asio::io_context& io_context)
-    : basic_io_object<SignalSetService>(io_context)
+  explicit basic_signal_set(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Construct a signal set without adding any signals.
+  /**
+   * This constructor creates a signal set without registering for any signals.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the signal set will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the signal set.
+   */
+  template <typename ExecutionContext>
+  explicit basic_signal_set(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -112,20 +131,47 @@ public:
   /**
    * This constructor creates a signal set and registers for one signal.
    *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
+   * @param ex The I/O executor that the signal set will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * signal set.
    *
    * @param signal_number_1 The signal number to be added.
    *
    * @note This constructor is equivalent to performing:
-   * @code asio::signal_set signals(io_context);
+   * @code asio::signal_set signals(ex);
    * signals.add(signal_number_1); @endcode
    */
-  basic_signal_set(asio::io_context& io_context, int signal_number_1)
-    : basic_io_object<SignalSetService>(io_context)
+  basic_signal_set(const executor_type& ex, int signal_number_1)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number_1, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
+    asio::detail::throw_error(ec, "add");
+  }
+
+  /// Construct a signal set and add one signal.
+  /**
+   * This constructor creates a signal set and registers for one signal.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the signal set will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the signal set.
+   *
+   * @param signal_number_1 The signal number to be added.
+   *
+   * @note This constructor is equivalent to performing:
+   * @code asio::signal_set signals(context);
+   * signals.add(signal_number_1); @endcode
+   */
+  template <typename ExecutionContext>
+  basic_signal_set(ExecutionContext& context, int signal_number_1,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
     asio::detail::throw_error(ec, "add");
   }
 
@@ -133,26 +179,59 @@ public:
   /**
    * This constructor creates a signal set and registers for two signals.
    *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
+   * @param ex The I/O executor that the signal set will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * signal set.
    *
    * @param signal_number_1 The first signal number to be added.
    *
    * @param signal_number_2 The second signal number to be added.
    *
    * @note This constructor is equivalent to performing:
-   * @code asio::signal_set signals(io_context);
+   * @code asio::signal_set signals(ex);
    * signals.add(signal_number_1);
    * signals.add(signal_number_2); @endcode
    */
-  basic_signal_set(asio::io_context& io_context, int signal_number_1,
+  basic_signal_set(const executor_type& ex, int signal_number_1,
       int signal_number_2)
-    : basic_io_object<SignalSetService>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number_1, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
     asio::detail::throw_error(ec, "add");
-    this->get_service().add(this->get_implementation(), signal_number_2, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_2, ec);
+    asio::detail::throw_error(ec, "add");
+  }
+
+  /// Construct a signal set and add two signals.
+  /**
+   * This constructor creates a signal set and registers for two signals.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the signal set will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the signal set.
+   *
+   * @param signal_number_1 The first signal number to be added.
+   *
+   * @param signal_number_2 The second signal number to be added.
+   *
+   * @note This constructor is equivalent to performing:
+   * @code asio::signal_set signals(context);
+   * signals.add(signal_number_1);
+   * signals.add(signal_number_2); @endcode
+   */
+  template <typename ExecutionContext>
+  basic_signal_set(ExecutionContext& context, int signal_number_1,
+      int signal_number_2,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
+    asio::detail::throw_error(ec, "add");
+    impl_.get_service().add(impl_.get_implementation(), signal_number_2, ec);
     asio::detail::throw_error(ec, "add");
   }
 
@@ -160,8 +239,9 @@ public:
   /**
    * This constructor creates a signal set and registers for three signals.
    *
-   * @param io_context The io_context object that the signal set will use to
-   * dispatch handlers for any asynchronous operations performed on the set.
+   * @param ex The I/O executor that the signal set will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the
+   * signal set.
    *
    * @param signal_number_1 The first signal number to be added.
    *
@@ -170,24 +250,77 @@ public:
    * @param signal_number_3 The third signal number to be added.
    *
    * @note This constructor is equivalent to performing:
-   * @code asio::signal_set signals(io_context);
+   * @code asio::signal_set signals(ex);
    * signals.add(signal_number_1);
    * signals.add(signal_number_2);
    * signals.add(signal_number_3); @endcode
    */
-  basic_signal_set(asio::io_context& io_context, int signal_number_1,
+  basic_signal_set(const executor_type& ex, int signal_number_1,
       int signal_number_2, int signal_number_3)
-    : basic_io_object<SignalSetService>(io_context)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number_1, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
     asio::detail::throw_error(ec, "add");
-    this->get_service().add(this->get_implementation(), signal_number_2, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_2, ec);
     asio::detail::throw_error(ec, "add");
-    this->get_service().add(this->get_implementation(), signal_number_3, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number_3, ec);
     asio::detail::throw_error(ec, "add");
   }
 
+  /// Construct a signal set and add three signals.
+  /**
+   * This constructor creates a signal set and registers for three signals.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the signal set will use, by default, to dispatch handlers for any
+   * asynchronous operations performed on the signal set.
+   *
+   * @param signal_number_1 The first signal number to be added.
+   *
+   * @param signal_number_2 The second signal number to be added.
+   *
+   * @param signal_number_3 The third signal number to be added.
+   *
+   * @note This constructor is equivalent to performing:
+   * @code asio::signal_set signals(context);
+   * signals.add(signal_number_1);
+   * signals.add(signal_number_2);
+   * signals.add(signal_number_3); @endcode
+   */
+  template <typename ExecutionContext>
+  basic_signal_set(ExecutionContext& context, int signal_number_1,
+      int signal_number_2, int signal_number_3,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().add(impl_.get_implementation(), signal_number_1, ec);
+    asio::detail::throw_error(ec, "add");
+    impl_.get_service().add(impl_.get_implementation(), signal_number_2, ec);
+    asio::detail::throw_error(ec, "add");
+    impl_.get_service().add(impl_.get_implementation(), signal_number_3, ec);
+    asio::detail::throw_error(ec, "add");
+  }
+
+  /// Destroys the signal set.
+  /**
+   * This function destroys the signal set, cancelling any outstanding
+   * asynchronous wait operations associated with the signal set as if by
+   * calling @c cancel.
+   */
+  ~basic_signal_set()
+  {
+  }
+
+  /// Get the executor associated with the object.
+  executor_type get_executor() ASIO_NOEXCEPT
+  {
+    return impl_.get_executor();
+  }
+
   /// Add a signal to a signal_set.
   /**
    * This function adds the specified signal to the set. It has no effect if the
@@ -200,7 +333,7 @@ public:
   void add(int signal_number)
   {
     asio::error_code ec;
-    this->get_service().add(this->get_implementation(), signal_number, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number, ec);
     asio::detail::throw_error(ec, "add");
   }
 
@@ -213,9 +346,10 @@ public:
    *
    * @param ec Set to indicate what error occurred, if any.
    */
-  ASIO_SYNC_OP_VOID add(int signal_number, asio::error_code& ec)
+  ASIO_SYNC_OP_VOID add(int signal_number,
+      asio::error_code& ec)
   {
-    this->get_service().add(this->get_implementation(), signal_number, ec);
+    impl_.get_service().add(impl_.get_implementation(), signal_number, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -234,7 +368,7 @@ public:
   void remove(int signal_number)
   {
     asio::error_code ec;
-    this->get_service().remove(this->get_implementation(), signal_number, ec);
+    impl_.get_service().remove(impl_.get_implementation(), signal_number, ec);
     asio::detail::throw_error(ec, "remove");
   }
 
@@ -253,7 +387,7 @@ public:
   ASIO_SYNC_OP_VOID remove(int signal_number,
       asio::error_code& ec)
   {
-    this->get_service().remove(this->get_implementation(), signal_number, ec);
+    impl_.get_service().remove(impl_.get_implementation(), signal_number, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -269,7 +403,7 @@ public:
   void clear()
   {
     asio::error_code ec;
-    this->get_service().clear(this->get_implementation(), ec);
+    impl_.get_service().clear(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "clear");
   }
 
@@ -284,7 +418,7 @@ public:
    */
   ASIO_SYNC_OP_VOID clear(asio::error_code& ec)
   {
-    this->get_service().clear(this->get_implementation(), ec);
+    impl_.get_service().clear(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -312,7 +446,7 @@ public:
   void cancel()
   {
     asio::error_code ec;
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
   }
 
@@ -339,7 +473,7 @@ public:
    */
   ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
   {
-    this->get_service().cancel(this->get_implementation(), ec);
+    impl_.get_service().cancel(impl_.get_implementation(), ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
   }
 
@@ -364,28 +498,44 @@ public:
    *   int signal_number // Indicates which signal occurred.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename SignalHandler>
   ASIO_INITFN_RESULT_TYPE(SignalHandler,
       void (asio::error_code, int))
   async_wait(ASIO_MOVE_ARG(SignalHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a SignalHandler.
-    ASIO_SIGNAL_HANDLER_CHECK(SignalHandler, handler) type_check;
-
-    return this->get_service().async_wait(this->get_implementation(),
-        ASIO_MOVE_CAST(SignalHandler)(handler));
+    return async_initiate<SignalHandler, void (asio::error_code, int)>(
+        initiate_async_wait(), handler, this);
   }
+
+private:
+  // Disallow copying and assignment.
+  basic_signal_set(const basic_signal_set&) ASIO_DELETED;
+  basic_signal_set& operator=(const basic_signal_set&) ASIO_DELETED;
+
+  struct initiate_async_wait
+  {
+    template <typename SignalHandler>
+    void operator()(ASIO_MOVE_ARG(SignalHandler) handler,
+        basic_signal_set* self) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a SignalHandler.
+      ASIO_SIGNAL_HANDLER_CHECK(SignalHandler, handler) type_check;
+
+      detail::non_const_lvalue<SignalHandler> handler2(handler);
+      self->impl_.get_service().async_wait(
+          self->impl_.get_implementation(), handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+  detail::io_object_impl<detail::signal_set_service, Executor> impl_;
 };
 
 } // namespace asio
 
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_BASIC_SIGNAL_SET_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_iostream.hpp

@@ -2,7 +2,7 @@
 // basic_socket_iostream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,10 +23,6 @@
 #include <ostream>
 #include "asio/basic_socket_streambuf.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/stream_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if !defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
 # include "asio/detail/variadic_templates.hpp"
@@ -36,8 +32,7 @@
 //   explicit basic_socket_iostream(T1 x1, ..., Tn xn)
 //     : std::basic_iostream<char>(
 //         &this->detail::socket_iostream_base<
-//           Protocol ASIO_SVC_TARG, Clock,
-//           WaitTraits ASIO_SVC_TARG1>::streambuf_)
+//           Protocol, Clock, WaitTraits>::streambuf_)
 //   {
 //     if (rdbuf()->connect(x1, ..., xn) == 0)
 //       this->setstate(std::ios_base::failbit);
@@ -49,8 +44,7 @@
   explicit basic_socket_iostream(ASIO_VARIADIC_BYVAL_PARAMS(n)) \
     : std::basic_iostream<char>( \
         &this->detail::socket_iostream_base< \
-          Protocol ASIO_SVC_TARG, Clock, \
-          WaitTraits ASIO_SVC_TARG1>::streambuf_) \
+          Protocol, Clock, WaitTraits>::streambuf_) \
   { \
     this->setf(std::ios_base::unitbuf); \
     if (rdbuf()->connect(ASIO_VARIADIC_BYVAL_ARGS(n)) == 0) \
@@ -85,8 +79,7 @@ namespace detail {
 
 // A separate base class is used to ensure that the streambuf is initialised
 // prior to the basic_socket_iostream's basic_iostream base class.
-template <typename Protocol ASIO_SVC_TPARAM,
-    typename Clock, typename WaitTraits ASIO_SVC_TPARAM1>
+template <typename Protocol, typename Clock, typename WaitTraits>
 class socket_iostream_base
 {
 protected:
@@ -112,8 +105,7 @@ protected:
   }
 #endif // defined(ASIO_HAS_MOVE)
 
-  basic_socket_streambuf<Protocol ASIO_SVC_TARG,
-    Clock, WaitTraits ASIO_SVC_TARG1> streambuf_;
+  basic_socket_streambuf<Protocol, Clock, WaitTraits> streambuf_;
 };
 
 } // namespace detail
@@ -122,17 +114,17 @@ protected:
 #define ASIO_BASIC_SOCKET_IOSTREAM_FWD_DECL
 
 // Forward declaration with defaulted arguments.
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= stream_socket_service<Protocol>),
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+template <typename Protocol,
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = boost::posix_time::ptime,
-    typename WaitTraits = time_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF2(= deadline_timer_service<Clock, WaitTraits>)>
-#else
+    typename WaitTraits = time_traits<Clock> >
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = chrono::steady_clock,
-    typename WaitTraits = wait_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF1(= steady_timer::service_type)>
-#endif
+    typename WaitTraits = wait_traits<Clock> >
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 class basic_socket_iostream;
 
 #endif // !defined(ASIO_BASIC_SOCKET_IOSTREAM_FWD_DECL)
@@ -143,22 +135,23 @@ template <typename Protocol,
     typename Clock = chrono::steady_clock,
     typename WaitTraits = wait_traits<Clock> >
 #else // defined(GENERATING_DOCUMENTATION)
-template <typename Protocol ASIO_SVC_TPARAM,
-    typename Clock, typename WaitTraits ASIO_SVC_TPARAM1>
+template <typename Protocol, typename Clock, typename WaitTraits>
 #endif // defined(GENERATING_DOCUMENTATION)
 class basic_socket_iostream
-  : private detail::socket_iostream_base<Protocol
-        ASIO_SVC_TARG, Clock, WaitTraits ASIO_SVC_TARG1>,
+  : private detail::socket_iostream_base<Protocol, Clock, WaitTraits>,
     public std::basic_iostream<char>
 {
 private:
   // These typedefs are intended keep this class's implementation independent
   // of whether it's using Boost.DateClock, Boost.Chrono or std::chrono.
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef WaitTraits traits_helper;
-#else
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef detail::chrono_time_traits<Clock, WaitTraits> traits_helper;
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 
 public:
   /// The protocol type.
@@ -195,8 +188,7 @@ public:
   basic_socket_iostream()
     : std::basic_iostream<char>(
         &this->detail::socket_iostream_base<
-          Protocol ASIO_SVC_TARG, Clock,
-          WaitTraits ASIO_SVC_TARG1>::streambuf_)
+          Protocol, Clock, WaitTraits>::streambuf_)
   {
     this->setf(std::ios_base::unitbuf);
   }
@@ -205,12 +197,10 @@ public:
   /// Construct a basic_socket_iostream from the supplied socket.
   explicit basic_socket_iostream(basic_stream_socket<protocol_type> s)
     : detail::socket_iostream_base<
-        Protocol ASIO_SVC_TARG, Clock,
-        WaitTraits ASIO_SVC_TARG1>(std::move(s)),
+        Protocol, Clock, WaitTraits>(std::move(s)),
       std::basic_iostream<char>(
         &this->detail::socket_iostream_base<
-          Protocol ASIO_SVC_TARG, Clock,
-          WaitTraits ASIO_SVC_TARG1>::streambuf_)
+          Protocol, Clock, WaitTraits>::streambuf_)
   {
     this->setf(std::ios_base::unitbuf);
   }
@@ -220,13 +210,11 @@ public:
   /// Move-construct a basic_socket_iostream from another.
   basic_socket_iostream(basic_socket_iostream&& other)
     : detail::socket_iostream_base<
-        Protocol ASIO_SVC_TARG, Clock,
-        WaitTraits ASIO_SVC_TARG1>(std::move(other)),
+        Protocol, Clock, WaitTraits>(std::move(other)),
       std::basic_iostream<char>(std::move(other))
   {
     this->set_rdbuf(&this->detail::socket_iostream_base<
-          Protocol ASIO_SVC_TARG, Clock,
-          WaitTraits ASIO_SVC_TARG1>::streambuf_);
+          Protocol, Clock, WaitTraits>::streambuf_);
   }
 
   /// Move-assign a basic_socket_iostream from another.
@@ -234,8 +222,7 @@ public:
   {
     std::basic_iostream<char>::operator=(std::move(other));
     detail::socket_iostream_base<
-        Protocol ASIO_SVC_TARG, Clock,
-        WaitTraits ASIO_SVC_TARG1>::operator=(std::move(other));
+        Protocol, Clock, WaitTraits>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_STD_IOSTREAM_MOVE)
@@ -256,8 +243,7 @@ public:
   explicit basic_socket_iostream(T... x)
     : std::basic_iostream<char>(
         &this->detail::socket_iostream_base<
-          Protocol ASIO_SVC_TARG, Clock,
-          WaitTraits ASIO_SVC_TARG1>::streambuf_)
+          Protocol, Clock, WaitTraits>::streambuf_)
   {
     this->setf(std::ios_base::unitbuf);
     if (rdbuf()->connect(x...) == 0)
@@ -295,18 +281,15 @@ public:
   }
 
   /// Return a pointer to the underlying streambuf.
-  basic_socket_streambuf<Protocol ASIO_SVC_TARG,
-    Clock, WaitTraits ASIO_SVC_TARG1>* rdbuf() const
+  basic_socket_streambuf<Protocol, Clock, WaitTraits>* rdbuf() const
   {
-    return const_cast<basic_socket_streambuf<Protocol ASIO_SVC_TARG,
-      Clock, WaitTraits ASIO_SVC_TARG1>*>(
+    return const_cast<basic_socket_streambuf<Protocol, Clock, WaitTraits>*>(
         &this->detail::socket_iostream_base<
-          Protocol ASIO_SVC_TARG, Clock,
-          WaitTraits ASIO_SVC_TARG1>::streambuf_);
+          Protocol, Clock, WaitTraits>::streambuf_);
   }
 
   /// Get a reference to the underlying socket.
-  basic_socket<Protocol ASIO_SVC_TARG>& socket()
+  basic_socket<Protocol>& socket()
   {
     return rdbuf()->socket();
   }

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_socket_streambuf.hpp

@@ -2,7 +2,7 @@
 // basic_socket_streambuf.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -28,19 +28,14 @@
 #include "asio/detail/throw_error.hpp"
 #include "asio/io_context.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/stream_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
-# if defined(ASIO_ENABLE_OLD_SERVICES)
-#  include "asio/deadline_timer_service.hpp"
-# else // defined(ASIO_ENABLE_OLD_SERVICES)
-#  include "asio/detail/deadline_timer_service.hpp"
-# endif // defined(ASIO_ENABLE_OLD_SERVICES)
-#else
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
+# include "asio/detail/deadline_timer_service.hpp"
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 # include "asio/steady_timer.hpp"
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 
 #if !defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
@@ -52,7 +47,7 @@
 //   {
 //     init_buffers();
 //     typedef typename Protocol::resolver resolver_type;
-//     resolver_type resolver(socket().get_executor().context());
+//     resolver_type resolver(socket().get_executor());
 //     connect_to_endpoints(
 //         resolver.resolve(x1, ..., xn, ec_));
 //     return !ec_ ? this : 0;
@@ -65,7 +60,7 @@
   { \
     init_buffers(); \
     typedef typename Protocol::resolver resolver_type; \
-    resolver_type resolver(socket().get_executor().context()); \
+    resolver_type resolver(socket().get_executor()); \
     connect_to_endpoints( \
         resolver.resolve(ASIO_VARIADIC_BYVAL_ARGS(n), ec_)); \
     return !ec_ ? this : 0; \
@@ -74,10 +69,6 @@
 
 #endif // !defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# define ASIO_SVC_T1 detail::deadline_timer_service<traits_helper>
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -121,17 +112,17 @@ protected:
 #define ASIO_BASIC_SOCKET_STREAMBUF_FWD_DECL
 
 // Forward declaration with defaulted arguments.
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= stream_socket_service<Protocol>),
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+template <typename Protocol,
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = boost::posix_time::ptime,
-    typename WaitTraits = time_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF2(= deadline_timer_service<Clock, WaitTraits>)>
-#else
+    typename WaitTraits = time_traits<Clock> >
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = chrono::steady_clock,
-    typename WaitTraits = wait_traits<Clock>
-    ASIO_SVC_TPARAM1_DEF1(= steady_timer::service_type)>
-#endif
+    typename WaitTraits = wait_traits<Clock> >
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 class basic_socket_streambuf;
 
 #endif // !defined(ASIO_BASIC_SOCKET_STREAMBUF_FWD_DECL)
@@ -142,27 +133,29 @@ template <typename Protocol,
     typename Clock = chrono::steady_clock,
     typename WaitTraits = wait_traits<Clock> >
 #else // defined(GENERATING_DOCUMENTATION)
-template <typename Protocol ASIO_SVC_TPARAM,
-    typename Clock, typename WaitTraits ASIO_SVC_TPARAM1>
+template <typename Protocol, typename Clock, typename WaitTraits>
 #endif // defined(GENERATING_DOCUMENTATION)
 class basic_socket_streambuf
   : public std::streambuf,
     private detail::socket_streambuf_io_context,
     private detail::socket_streambuf_buffers,
 #if defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    private basic_socket<Protocol ASIO_SVC_TARG>
+    private basic_socket<Protocol>
 #else // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
-    public basic_socket<Protocol ASIO_SVC_TARG>
+    public basic_socket<Protocol>
 #endif // defined(ASIO_NO_DEPRECATED) || defined(GENERATING_DOCUMENTATION)
 {
 private:
   // These typedefs are intended keep this class's implementation independent
   // of whether it's using Boost.DateClock, Boost.Chrono or std::chrono.
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef WaitTraits traits_helper;
-#else
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef detail::chrono_time_traits<Clock, WaitTraits> traits_helper;
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 
 public:
   /// The protocol type.
@@ -198,7 +191,7 @@ public:
   /// Construct a basic_socket_streambuf without establishing a connection.
   basic_socket_streambuf()
     : detail::socket_streambuf_io_context(new io_context),
-      basic_socket<Protocol ASIO_SVC_TARG>(*default_io_context_),
+      basic_socket<Protocol>(*default_io_context_),
       expiry_time_(max_expiry_time())
   {
     init_buffers();
@@ -208,7 +201,7 @@ public:
   /// Construct a basic_socket_streambuf from the supplied socket.
   explicit basic_socket_streambuf(basic_stream_socket<protocol_type> s)
     : detail::socket_streambuf_io_context(0),
-      basic_socket<Protocol ASIO_SVC_TARG>(std::move(s)),
+      basic_socket<Protocol>(std::move(s)),
       expiry_time_(max_expiry_time())
   {
     init_buffers();
@@ -217,7 +210,7 @@ public:
   /// Move-construct a basic_socket_streambuf from another.
   basic_socket_streambuf(basic_socket_streambuf&& other)
     : detail::socket_streambuf_io_context(other),
-      basic_socket<Protocol ASIO_SVC_TARG>(std::move(other.socket())),
+      basic_socket<Protocol>(std::move(other.socket())),
       ec_(other.ec_),
       expiry_time_(other.expiry_time_)
   {
@@ -290,7 +283,7 @@ public:
   {
     init_buffers();
     typedef typename Protocol::resolver resolver_type;
-    resolver_type resolver(socket().get_executor().context());
+    resolver_type resolver(socket().get_executor());
     connect_to_endpoints(resolver.resolve(x..., ec_));
     return !ec_ ? this : 0;
   }
@@ -313,7 +306,7 @@ public:
   }
 
   /// Get a reference to the underlying socket.
-  basic_socket<Protocol ASIO_SVC_TARG>& socket()
+  basic_socket<Protocol>& socket()
   {
     return *this;
   }
@@ -666,11 +659,14 @@ private:
   // Helper function to get the maximum expiry time.
   static time_point max_expiry_time()
   {
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     return boost::posix_time::pos_infin;
 #else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     return (time_point::max)();
 #endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   }
 
   enum { putback_max = 8 };
@@ -682,10 +678,6 @@ private:
 
 #include "asio/detail/pop_options.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T1
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #if !defined(ASIO_HAS_VARIADIC_TEMPLATES)
 # undef ASIO_PRIVATE_CONNECT_DEF
 #endif // !defined(ASIO_HAS_VARIADIC_TEMPLATES)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_stream_socket.hpp

@@ -2,7 +2,7 @@
 // basic_stream_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -20,17 +20,23 @@
 #include "asio/async_result.hpp"
 #include "asio/basic_socket.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/stream_socket_service.hpp"
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
 
+#if !defined(ASIO_BASIC_STREAM_SOCKET_FWD_DECL)
+#define ASIO_BASIC_STREAM_SOCKET_FWD_DECL
+
+// Forward declaration with defaulted arguments.
+template <typename Protocol, typename Executor = executor>
+class basic_stream_socket;
+
+#endif // !defined(ASIO_BASIC_STREAM_SOCKET_FWD_DECL)
+
 /// Provides stream-oriented socket functionality.
 /**
  * The basic_stream_socket class template provides asynchronous and blocking
@@ -43,18 +49,28 @@ namespace asio {
  * @par Concepts:
  * AsyncReadStream, AsyncWriteStream, Stream, SyncReadStream, SyncWriteStream.
  */
-template <typename Protocol
-    ASIO_SVC_TPARAM_DEF1(= stream_socket_service<Protocol>)>
+template <typename Protocol, typename Executor>
 class basic_stream_socket
-  : public basic_socket<Protocol ASIO_SVC_TARG>
+  : public basic_socket<Protocol, Executor>
 {
 public:
+  /// The type of the executor associated with the object.
+  typedef Executor executor_type;
+
+  /// Rebinds the socket type to another executor.
+  template <typename Executor1>
+  struct rebind_executor
+  {
+    /// The socket type when rebound to the specified executor.
+    typedef basic_stream_socket<Protocol, Executor1> other;
+  };
+
   /// The native representation of a socket.
 #if defined(GENERATING_DOCUMENTATION)
   typedef implementation_defined native_handle_type;
 #else
-  typedef typename basic_socket<
-    Protocol ASIO_SVC_TARG>::native_handle_type native_handle_type;
+  typedef typename basic_socket<Protocol,
+    Executor>::native_handle_type native_handle_type;
 #endif
 
   /// The protocol type.
@@ -69,11 +85,30 @@ public:
    * needs to be opened and then connected or accepted before data can be sent
    * or received on it.
    *
-   * @param io_context The io_context object that the stream socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    */
-  explicit basic_stream_socket(asio::io_context& io_context)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context)
+  explicit basic_stream_socket(const executor_type& ex)
+    : basic_socket<Protocol, Executor>(ex)
+  {
+  }
+
+  /// Construct a basic_stream_socket without opening it.
+  /**
+   * This constructor creates a stream socket without opening it. The socket
+   * needs to be opened and then connected or accepted before data can be sent
+   * or received on it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   */
+  template <typename ExecutionContext>
+  explicit basic_stream_socket(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context)
   {
   }
 
@@ -82,16 +117,37 @@ public:
    * This constructor creates and opens a stream socket. The socket needs to be
    * connected or accepted before data can be sent or received on it.
    *
-   * @param io_context The io_context object that the stream socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_stream_socket(asio::io_context& io_context,
-      const protocol_type& protocol)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, protocol)
+  basic_stream_socket(const executor_type& ex, const protocol_type& protocol)
+    : basic_socket<Protocol, Executor>(ex, protocol)
+  {
+  }
+
+  /// Construct and open a basic_stream_socket.
+  /**
+   * This constructor creates and opens a stream socket. The socket needs to be
+   * connected or accepted before data can be sent or received on it.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_stream_socket(ExecutionContext& context, const protocol_type& protocol,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol)
   {
   }
 
@@ -102,7 +158,7 @@ public:
    * to the specified endpoint on the local machine. The protocol used is the
    * protocol associated with the given endpoint.
    *
-   * @param io_context The io_context object that the stream socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param endpoint An endpoint on the local machine to which the stream
@@ -110,9 +166,33 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_stream_socket(asio::io_context& io_context,
-      const endpoint_type& endpoint)
-    : basic_socket<Protocol ASIO_SVC_TARG>(io_context, endpoint)
+  basic_stream_socket(const executor_type& ex, const endpoint_type& endpoint)
+    : basic_socket<Protocol, Executor>(ex, endpoint)
+  {
+  }
+
+  /// Construct a basic_stream_socket, opening it and binding it to the given
+  /// local endpoint.
+  /**
+   * This constructor creates a stream socket and automatically opens it bound
+   * to the specified endpoint on the local machine. The protocol used is the
+   * protocol associated with the given endpoint.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param endpoint An endpoint on the local machine to which the stream
+   * socket will be bound.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_stream_socket(ExecutionContext& context, const endpoint_type& endpoint,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, endpoint)
   {
   }
 
@@ -121,7 +201,7 @@ public:
    * This constructor creates a stream socket object to hold an existing native
    * socket.
    *
-   * @param io_context The io_context object that the stream socket will use to
+   * @param ex The I/O executor that the socket will use, by default, to
    * dispatch handlers for any asynchronous operations performed on the socket.
    *
    * @param protocol An object specifying protocol parameters to be used.
@@ -130,10 +210,34 @@ public:
    *
    * @throws asio::system_error Thrown on failure.
    */
-  basic_stream_socket(asio::io_context& io_context,
+  basic_stream_socket(const executor_type& ex,
       const protocol_type& protocol, const native_handle_type& native_socket)
-    : basic_socket<Protocol ASIO_SVC_TARG>(
-        io_context, protocol, native_socket)
+    : basic_socket<Protocol, Executor>(ex, protocol, native_socket)
+  {
+  }
+
+  /// Construct a basic_stream_socket on an existing native socket.
+  /**
+   * This constructor creates a stream socket object to hold an existing native
+   * socket.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the socket will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the socket.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_socket The new underlying socket implementation.
+   *
+   * @throws asio::system_error Thrown on failure.
+   */
+  template <typename ExecutionContext>
+  basic_stream_socket(ExecutionContext& context,
+      const protocol_type& protocol, const native_handle_type& native_socket,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(context, protocol, native_socket)
   {
   }
 
@@ -146,10 +250,11 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_socket(io_context&) constructor.
+   * constructed using the @c basic_stream_socket(const executor_type&)
+   * constructor.
    */
   basic_stream_socket(basic_stream_socket&& other)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -161,11 +266,12 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_socket(io_context&) constructor.
+   * constructed using the @c basic_stream_socket(const executor_type&)
+   * constructor.
    */
   basic_stream_socket& operator=(basic_stream_socket&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 
@@ -178,13 +284,16 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_socket(io_context&) constructor.
+   * constructed using the @c basic_stream_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  basic_stream_socket(
-      basic_stream_socket<Protocol1 ASIO_SVC_TARG1>&& other,
-      typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0)
-    : basic_socket<Protocol ASIO_SVC_TARG>(std::move(other))
+  template <typename Protocol1, typename Executor1>
+  basic_stream_socket(basic_stream_socket<Protocol1, Executor1>&& other,
+      typename enable_if<
+        is_convertible<Protocol1, Protocol>::value
+          && is_convertible<Executor1, Executor>::value
+      >::type* = 0)
+    : basic_socket<Protocol, Executor>(std::move(other))
   {
   }
 
@@ -196,14 +305,17 @@ public:
    * will occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_stream_socket(io_context&) constructor.
+   * constructed using the @c basic_stream_socket(const executor_type&)
+   * constructor.
    */
-  template <typename Protocol1 ASIO_SVC_TPARAM1>
-  typename enable_if<is_convertible<Protocol1, Protocol>::value,
-      basic_stream_socket>::type& operator=(
-        basic_stream_socket<Protocol1 ASIO_SVC_TARG1>&& other)
+  template <typename Protocol1, typename Executor1>
+  typename enable_if<
+    is_convertible<Protocol1, Protocol>::value
+      && is_convertible<Executor1, Executor>::value,
+    basic_stream_socket&
+  >::type operator=(basic_stream_socket<Protocol1, Executor1>&& other)
   {
-    basic_socket<Protocol ASIO_SVC_TARG>::operator=(std::move(other));
+    basic_socket<Protocol, Executor>::operator=(std::move(other));
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -246,8 +358,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -284,8 +396,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "send");
     return s;
   }
@@ -312,8 +424,8 @@ public:
   std::size_t send(const ConstBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().send(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous send.
@@ -334,9 +446,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The send operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write function if you need to ensure that all
@@ -357,24 +469,10 @@ public:
   async_send(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(
-        this->get_implementation(), buffers, 0,
-        ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(
-        this->get_implementation(), buffers, 0,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous send.
@@ -397,9 +495,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes sent.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The send operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write function if you need to ensure that all
@@ -421,24 +519,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(
-        this->get_implementation(), buffers, flags,
-        ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(
-        this->get_implementation(), buffers, flags,
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this, buffers, flags);
   }
 
   /// Receive some data on the socket.
@@ -473,8 +556,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -514,8 +597,8 @@ public:
       socket_base::message_flags flags)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
     asio::detail::throw_error(ec, "receive");
     return s;
   }
@@ -542,8 +625,8 @@ public:
   std::size_t receive(const MutableBufferSequence& buffers,
       socket_base::message_flags flags, asio::error_code& ec)
   {
-    return this->get_service().receive(
-        this->get_implementation(), buffers, flags, ec);
+    return this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, flags, ec);
   }
 
   /// Start an asynchronous receive.
@@ -564,9 +647,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The receive operation may not receive all of the requested number of
    * bytes. Consider using the @ref async_read function if you need to ensure
@@ -589,22 +672,10 @@ public:
   async_receive(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Start an asynchronous receive.
@@ -627,9 +698,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes received.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The receive operation may not receive all of the requested number of
    * bytes. Consider using the @ref async_read function if you need to ensure
@@ -653,22 +724,9 @@ public:
       socket_base::message_flags flags,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, flags, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this, buffers, flags);
   }
 
   /// Write some data to the socket.
@@ -702,8 +760,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().send(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "write_some");
     return s;
   }
@@ -728,7 +786,8 @@ public:
   std::size_t write_some(const ConstBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().send(this->get_implementation(), buffers, 0, ec);
+    return this->impl_.get_service().send(
+        this->impl_.get_implementation(), buffers, 0, ec);
   }
 
   /// Start an asynchronous write.
@@ -749,9 +808,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes written.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The write operation may not transmit all of the data to the peer.
    * Consider using the @ref async_write function if you need to ensure that all
@@ -772,22 +831,10 @@ public:
   async_write_some(const ConstBufferSequence& buffers,
       ASIO_MOVE_ARG(WriteHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WriteHandler.
-    ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_send(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(WriteHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_send(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WriteHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_send(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
 
   /// Read some data from the socket.
@@ -822,8 +869,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().receive(
-        this->get_implementation(), buffers, 0, ec);
+    std::size_t s = this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, 0, ec);
     asio::detail::throw_error(ec, "read_some");
     return s;
   }
@@ -849,8 +896,8 @@ public:
   std::size_t read_some(const MutableBufferSequence& buffers,
       asio::error_code& ec)
   {
-    return this->get_service().receive(
-        this->get_implementation(), buffers, 0, ec);
+    return this->impl_.get_service().receive(
+        this->impl_.get_implementation(), buffers, 0, ec);
   }
 
   /// Start an asynchronous read.
@@ -871,9 +918,9 @@ public:
    *   std::size_t bytes_transferred           // Number of bytes read.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    *
    * @note The read operation may not read all of the requested number of bytes.
    * Consider using the @ref async_read function if you need to ensure that the
@@ -895,23 +942,48 @@ public:
   async_read_some(const MutableBufferSequence& buffers,
       ASIO_MOVE_ARG(ReadHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a ReadHandler.
-    ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, ASIO_MOVE_CAST(ReadHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    this->get_service().async_receive(this->get_implementation(),
-        buffers, 0, init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<ReadHandler,
+      void (asio::error_code, std::size_t)>(
+        initiate_async_receive(), handler, this,
+        buffers, socket_base::message_flags(0));
   }
+
+private:
+  struct initiate_async_send
+  {
+    template <typename WriteHandler, typename ConstBufferSequence>
+    void operator()(ASIO_MOVE_ARG(WriteHandler) handler,
+        basic_stream_socket* self, const ConstBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WriteHandler.
+      ASIO_WRITE_HANDLER_CHECK(WriteHandler, handler) type_check;
+
+      detail::non_const_lvalue<WriteHandler> handler2(handler);
+      self->impl_.get_service().async_send(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
+
+  struct initiate_async_receive
+  {
+    template <typename ReadHandler, typename MutableBufferSequence>
+    void operator()(ASIO_MOVE_ARG(ReadHandler) handler,
+        basic_stream_socket* self, const MutableBufferSequence& buffers,
+        socket_base::message_flags flags) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a ReadHandler.
+      ASIO_READ_HANDLER_CHECK(ReadHandler, handler) type_check;
+
+      detail::non_const_lvalue<ReadHandler> handler2(handler);
+      self->impl_.get_service().async_receive(
+          self->impl_.get_implementation(), buffers, flags,
+          handler2.value, self->impl_.get_implementation_executor());
+    }
+  };
 };
 
 } // namespace asio

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_streambuf.hpp

@@ -2,7 +2,7 @@
 // basic_streambuf.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_streambuf_fwd.hpp

@@ -2,7 +2,7 @@
 // basic_streambuf_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/basic_waitable_timer.hpp

@@ -2,7 +2,7 @@
 // basic_waitable_timer.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,26 +17,20 @@
 
 #include "asio/detail/config.hpp"
 #include <cstddef>
-#include "asio/basic_io_object.hpp"
+#include "asio/detail/chrono_time_traits.hpp"
+#include "asio/detail/deadline_timer_service.hpp"
 #include "asio/detail/handler_type_requirements.hpp"
+#include "asio/detail/io_object_impl.hpp"
+#include "asio/detail/non_const_lvalue.hpp"
 #include "asio/detail/throw_error.hpp"
 #include "asio/error.hpp"
+#include "asio/executor.hpp"
 #include "asio/wait_traits.hpp"
 
 #if defined(ASIO_HAS_MOVE)
 # include <utility>
 #endif // defined(ASIO_HAS_MOVE)
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/waitable_timer_service.hpp"
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# include "asio/detail/chrono_time_traits.hpp"
-# include "asio/detail/deadline_timer_service.hpp"
-# define ASIO_SVC_T \
-    detail::deadline_timer_service< \
-      detail::chrono_time_traits<Clock, WaitTraits> >
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
@@ -46,8 +40,8 @@ namespace asio {
 
 // Forward declaration with defaulted arguments.
 template <typename Clock,
-    typename WaitTraits = asio::wait_traits<Clock>
-    ASIO_SVC_TPARAM_DEF2(= waitable_timer_service<Clock, WaitTraits>)>
+    typename WaitTraits = asio::wait_traits<Clock>,
+    typename Executor = executor>
 class basic_waitable_timer;
 
 #endif // !defined(ASIO_BASIC_WAITABLE_TIMER_FWD_DECL)
@@ -75,7 +69,7 @@ class basic_waitable_timer;
  * Performing a blocking wait (C++11):
  * @code
  * // Construct a timer without setting an expiry time.
- * asio::steady_timer timer(io_context);
+ * asio::steady_timer timer(my_context);
  *
  * // Set an expiry time relative to now.
  * timer.expires_after(std::chrono::seconds(5));
@@ -98,7 +92,7 @@ class basic_waitable_timer;
  * ...
  *
  * // Construct a timer with an absolute expiry time.
- * asio::steady_timer timer(io_context,
+ * asio::steady_timer timer(my_context,
  *     std::chrono::steady_clock::now() + std::chrono::seconds(60));
  *
  * // Start an asynchronous wait.
@@ -144,13 +138,12 @@ class basic_waitable_timer;
  * @li If a wait handler is cancelled, the asio::error_code passed to
  * it contains the value asio::error::operation_aborted.
  */
-template <typename Clock, typename WaitTraits ASIO_SVC_TPARAM>
+template <typename Clock, typename WaitTraits, typename Executor>
 class basic_waitable_timer
-  : ASIO_SVC_ACCESS basic_io_object<ASIO_SVC_T>
 {
 public:
   /// The type of the executor associated with the object.
-  typedef io_context::executor_type executor_type;
+  typedef Executor executor_type;
 
   /// The clock type.
   typedef Clock clock_type;
@@ -170,11 +163,30 @@ public:
    * expires_at() or expires_after() functions must be called to set an expiry
    * time before the timer can be waited on.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    */
-  explicit basic_waitable_timer(asio::io_context& io_context)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  explicit basic_waitable_timer(const executor_type& ex)
+    : impl_(ex)
+  {
+  }
+
+  /// Constructor.
+  /**
+   * This constructor creates a timer without setting an expiry time. The
+   * expires_at() or expires_after() functions must be called to set an expiry
+   * time before the timer can be waited on.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   */
+  template <typename ExecutionContext>
+  explicit basic_waitable_timer(ExecutionContext& context,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
   {
   }
 
@@ -182,18 +194,41 @@ public:
   /**
    * This constructor creates a timer and sets the expiry time.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor object that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    *
    * @param expiry_time The expiry time to be used for the timer, expressed
    * as an absolute time.
    */
-  basic_waitable_timer(asio::io_context& io_context,
-      const time_point& expiry_time)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  basic_waitable_timer(const executor_type& ex, const time_point& expiry_time)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().expires_at(this->get_implementation(), expiry_time, ec);
+    impl_.get_service().expires_at(impl_.get_implementation(), expiry_time, ec);
+    asio::detail::throw_error(ec, "expires_at");
+  }
+
+  /// Constructor to set a particular expiry time as an absolute time.
+  /**
+   * This constructor creates a timer and sets the expiry time.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer, expressed
+   * as an absolute time.
+   */
+  template <typename ExecutionContext>
+  explicit basic_waitable_timer(ExecutionContext& context,
+      const time_point& expiry_time,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().expires_at(impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_at");
   }
 
@@ -201,19 +236,43 @@ public:
   /**
    * This constructor creates a timer and sets the expiry time.
    *
-   * @param io_context The io_context object that the timer will use to dispatch
-   * handlers for any asynchronous operations performed on the timer.
+   * @param ex The I/O executor that the timer will use, by default, to
+   * dispatch handlers for any asynchronous operations performed on the timer.
    *
    * @param expiry_time The expiry time to be used for the timer, relative to
    * now.
    */
-  basic_waitable_timer(asio::io_context& io_context,
-      const duration& expiry_time)
-    : basic_io_object<ASIO_SVC_T>(io_context)
+  basic_waitable_timer(const executor_type& ex, const duration& expiry_time)
+    : impl_(ex)
   {
     asio::error_code ec;
-    this->get_service().expires_after(
-        this->get_implementation(), expiry_time, ec);
+    impl_.get_service().expires_after(
+        impl_.get_implementation(), expiry_time, ec);
+    asio::detail::throw_error(ec, "expires_after");
+  }
+
+  /// Constructor to set a particular expiry time relative to now.
+  /**
+   * This constructor creates a timer and sets the expiry time.
+   *
+   * @param context An execution context which provides the I/O executor that
+   * the timer will use, by default, to dispatch handlers for any asynchronous
+   * operations performed on the timer.
+   *
+   * @param expiry_time The expiry time to be used for the timer, relative to
+   * now.
+   */
+  template <typename ExecutionContext>
+  explicit basic_waitable_timer(ExecutionContext& context,
+      const duration& expiry_time,
+      typename enable_if<
+        is_convertible<ExecutionContext&, execution_context&>::value
+      >::type* = 0)
+    : impl_(context)
+  {
+    asio::error_code ec;
+    impl_.get_service().expires_after(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_after");
   }
 
@@ -226,10 +285,11 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_waitable_timer(io_context&) constructor.
+   * constructed using the @c basic_waitable_timer(const executor_type&)
+   * constructor.
    */
   basic_waitable_timer(basic_waitable_timer&& other)
-    : basic_io_object<ASIO_SVC_T>(std::move(other))
+    : impl_(std::move(other.impl_))
   {
   }
 
@@ -242,11 +302,12 @@ public:
    * occur.
    *
    * @note Following the move, the moved-from object is in the same state as if
-   * constructed using the @c basic_waitable_timer(io_context&) constructor.
+   * constructed using the @c basic_waitable_timer(const executor_type&)
+   * constructor.
    */
   basic_waitable_timer& operator=(basic_waitable_timer&& other)
   {
-    basic_io_object<ASIO_SVC_T>::operator=(std::move(other));
+    impl_ = std::move(other.impl_);
     return *this;
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
@@ -260,45 +321,11 @@ public:
   {
   }
 
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-  // These functions are provided by basic_io_object<>.
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_context()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  /**
-   * This function may be used to obtain the io_context object that the I/O
-   * object uses to dispatch handlers for asynchronous operations.
-   *
-   * @return A reference to the io_context object that the I/O object will use
-   * to dispatch handlers. Ownership is not transferred to the caller.
-   */
-  asio::io_context& get_io_service()
-  {
-    return basic_io_object<ASIO_SVC_T>::get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Get the executor associated with the object.
   executor_type get_executor() ASIO_NOEXCEPT
   {
-    return basic_io_object<ASIO_SVC_T>::get_executor();
+    return impl_.get_executor();
   }
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
   /// Cancel any asynchronous operations that are waiting on the timer.
   /**
@@ -325,7 +352,7 @@ public:
   std::size_t cancel()
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().cancel(this->get_implementation(), ec);
+    std::size_t s = impl_.get_service().cancel(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel");
     return s;
   }
@@ -356,7 +383,7 @@ public:
    */
   std::size_t cancel(asio::error_code& ec)
   {
-    return this->get_service().cancel(this->get_implementation(), ec);
+    return impl_.get_service().cancel(impl_.get_implementation(), ec);
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -387,8 +414,8 @@ public:
   std::size_t cancel_one()
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().cancel_one(
-        this->get_implementation(), ec);
+    std::size_t s = impl_.get_service().cancel_one(
+        impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "cancel_one");
     return s;
   }
@@ -421,7 +448,7 @@ public:
    */
   std::size_t cancel_one(asio::error_code& ec)
   {
-    return this->get_service().cancel_one(this->get_implementation(), ec);
+    return impl_.get_service().cancel_one(impl_.get_implementation(), ec);
   }
 
   /// (Deprecated: Use expiry().) Get the timer's expiry time as an absolute
@@ -432,7 +459,7 @@ public:
    */
   time_point expires_at() const
   {
-    return this->get_service().expires_at(this->get_implementation());
+    return impl_.get_service().expires_at(impl_.get_implementation());
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -443,7 +470,7 @@ public:
    */
   time_point expiry() const
   {
-    return this->get_service().expiry(this->get_implementation());
+    return impl_.get_service().expiry(impl_.get_implementation());
   }
 
   /// Set the timer's expiry time as an absolute time.
@@ -471,8 +498,8 @@ public:
   std::size_t expires_at(const time_point& expiry_time)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().expires_at(
-        this->get_implementation(), expiry_time, ec);
+    std::size_t s = impl_.get_service().expires_at(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_at");
     return s;
   }
@@ -504,8 +531,8 @@ public:
   std::size_t expires_at(const time_point& expiry_time,
       asio::error_code& ec)
   {
-    return this->get_service().expires_at(
-        this->get_implementation(), expiry_time, ec);
+    return impl_.get_service().expires_at(
+        impl_.get_implementation(), expiry_time, ec);
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -534,8 +561,8 @@ public:
   std::size_t expires_after(const duration& expiry_time)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().expires_after(
-        this->get_implementation(), expiry_time, ec);
+    std::size_t s = impl_.get_service().expires_after(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_after");
     return s;
   }
@@ -548,7 +575,7 @@ public:
    */
   duration expires_from_now() const
   {
-    return this->get_service().expires_from_now(this->get_implementation());
+    return impl_.get_service().expires_from_now(impl_.get_implementation());
   }
 
   /// (Deprecated: Use expires_after().) Set the timer's expiry time relative
@@ -577,8 +604,8 @@ public:
   std::size_t expires_from_now(const duration& expiry_time)
   {
     asio::error_code ec;
-    std::size_t s = this->get_service().expires_from_now(
-        this->get_implementation(), expiry_time, ec);
+    std::size_t s = impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
     asio::detail::throw_error(ec, "expires_from_now");
     return s;
   }
@@ -609,8 +636,8 @@ public:
   std::size_t expires_from_now(const duration& expiry_time,
       asio::error_code& ec)
   {
-    return this->get_service().expires_from_now(
-        this->get_implementation(), expiry_time, ec);
+    return impl_.get_service().expires_from_now(
+        impl_.get_implementation(), expiry_time, ec);
   }
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -624,7 +651,7 @@ public:
   void wait()
   {
     asio::error_code ec;
-    this->get_service().wait(this->get_implementation(), ec);
+    impl_.get_service().wait(impl_.get_implementation(), ec);
     asio::detail::throw_error(ec, "wait");
   }
 
@@ -637,7 +664,7 @@ public:
    */
   void wait(asio::error_code& ec)
   {
-    this->get_service().wait(this->get_implementation(), ec);
+    impl_.get_service().wait(impl_.get_implementation(), ec);
   }
 
   /// Start an asynchronous wait on the timer.
@@ -660,31 +687,17 @@ public:
    *   const asio::error_code& error // Result of operation.
    * ); @endcode
    * Regardless of whether the asynchronous operation completes immediately or
-   * not, the handler will not be invoked from within this function. Invocation
-   * of the handler will be performed in a manner equivalent to using
-   * asio::io_context::post().
+   * not, the handler will not be invoked from within this function. On
+   * immediate completion, invocation of the handler will be performed in a
+   * manner equivalent to using asio::post().
    */
   template <typename WaitHandler>
   ASIO_INITFN_RESULT_TYPE(WaitHandler,
       void (asio::error_code))
   async_wait(ASIO_MOVE_ARG(WaitHandler) handler)
   {
-    // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a WaitHandler.
-    ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-    return this->get_service().async_wait(this->get_implementation(),
-        ASIO_MOVE_CAST(WaitHandler)(handler));
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    this->get_service().async_wait(this->get_implementation(),
-        init.completion_handler);
-
-    return init.result.get();
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
+    return async_initiate<WaitHandler, void (asio::error_code)>(
+        initiate_async_wait(), handler, this);
   }
 
 private:
@@ -692,14 +705,32 @@ private:
   basic_waitable_timer(const basic_waitable_timer&) ASIO_DELETED;
   basic_waitable_timer& operator=(
       const basic_waitable_timer&) ASIO_DELETED;
+
+  struct initiate_async_wait
+  {
+    template <typename WaitHandler>
+    void operator()(ASIO_MOVE_ARG(WaitHandler) handler,
+        basic_waitable_timer* self) const
+    {
+      // If you get an error on the following line it means that your handler
+      // does not meet the documented type requirements for a WaitHandler.
+      ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
+
+      detail::non_const_lvalue<WaitHandler> handler2(handler);
+      self->impl_.get_service().async_wait(
+          self->impl_.get_implementation(), handler2.value,
+          self->impl_.get_implementation_executor());
+    }
+  };
+
+  detail::io_object_impl<
+    detail::deadline_timer_service<
+      detail::chrono_time_traits<Clock, WaitTraits> >,
+    executor_type > impl_;
 };
 
 } // namespace asio
 
 #include "asio/detail/pop_options.hpp"
 
-#if !defined(ASIO_ENABLE_OLD_SERVICES)
-# undef ASIO_SVC_T
-#endif // !defined(ASIO_ENABLE_OLD_SERVICES)
-
 #endif // ASIO_BASIC_WAITABLE_TIMER_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/bind_executor.hpp

@@ -2,7 +2,7 @@
 // bind_executor.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -547,37 +547,6 @@ private:
   async_result<T, Signature> target_;
 };
 
-#if !defined(ASIO_NO_DEPRECATED)
-
-template <typename T, typename Executor, typename Signature>
-struct handler_type<executor_binder<T, Executor>, Signature>
-{
-  typedef executor_binder<
-    typename handler_type<T, Signature>::type, Executor> type;
-};
-
-template <typename T, typename Executor>
-class async_result<executor_binder<T, Executor> >
-{
-public:
-  typedef typename async_result<T>::type type;
-
-  explicit async_result(executor_binder<T, Executor>& b)
-    : target_(b.get())
-  {
-  }
-
-  type get()
-  {
-    return target_.get();
-  }
-
-private:
-  async_result<T> target_;
-};
-
-#endif // !defined(ASIO_NO_DEPRECATED)
-
 template <typename T, typename Executor, typename Allocator>
 struct associated_allocator<executor_binder<T, Executor>, Allocator>
 {

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffer.hpp

@@ -2,7 +2,7 @@
 // buffer.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,7 +23,7 @@
 #include <string>
 #include <vector>
 #include "asio/detail/array_fwd.hpp"
-#include "asio/detail/is_buffer_sequence.hpp"
+#include "asio/detail/memory.hpp"
 #include "asio/detail/string_view.hpp"
 #include "asio/detail/throw_exception.hpp"
 #include "asio/detail/type_traits.hpp"
@@ -346,41 +346,6 @@ public:
 
 #endif // !defined(ASIO_NO_DEPRECATED)
 
-/// Trait to determine whether a type satisfies the MutableBufferSequence
-/// requirements.
-template <typename T>
-struct is_mutable_buffer_sequence
-#if defined(GENERATING_DOCUMENTATION)
-  : integral_constant<bool, automatically_determined>
-#else // defined(GENERATING_DOCUMENTATION)
-  : asio::detail::is_buffer_sequence<T, mutable_buffer>
-#endif // defined(GENERATING_DOCUMENTATION)
-{
-};
-
-/// Trait to determine whether a type satisfies the ConstBufferSequence
-/// requirements.
-template <typename T>
-struct is_const_buffer_sequence
-#if defined(GENERATING_DOCUMENTATION)
-  : integral_constant<bool, automatically_determined>
-#else // defined(GENERATING_DOCUMENTATION)
-  : asio::detail::is_buffer_sequence<T, const_buffer>
-#endif // defined(GENERATING_DOCUMENTATION)
-{
-};
-
-/// Trait to determine whether a type satisfies the DynamicBuffer requirements.
-template <typename T>
-struct is_dynamic_buffer
-#if defined(GENERATING_DOCUMENTATION)
-  : integral_constant<bool, automatically_determined>
-#else // defined(GENERATING_DOCUMENTATION)
-  : asio::detail::is_dynamic_buffer<T>
-#endif // defined(GENERATING_DOCUMENTATION)
-{
-};
-
 /// (Deprecated: Use the socket/descriptor wait() and async_wait() member
 /// functions.) An implementation of both the ConstBufferSequence and
 /// MutableBufferSequence concepts to represent a null buffer sequence.
@@ -417,29 +382,45 @@ private:
 /*@{*/
 
 /// Get an iterator to the first element in a buffer sequence.
-inline const mutable_buffer* buffer_sequence_begin(const mutable_buffer& b)
+template <typename MutableBuffer>
+inline const mutable_buffer* buffer_sequence_begin(const MutableBuffer& b,
+    typename enable_if<
+      is_convertible<const MutableBuffer*, const mutable_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
-  return &b;
+  return static_cast<const mutable_buffer*>(detail::addressof(b));
 }
 
 /// Get an iterator to the first element in a buffer sequence.
-inline const const_buffer* buffer_sequence_begin(const const_buffer& b)
+template <typename ConstBuffer>
+inline const const_buffer* buffer_sequence_begin(const ConstBuffer& b,
+    typename enable_if<
+      is_convertible<const ConstBuffer*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
-  return &b;
+  return static_cast<const const_buffer*>(detail::addressof(b));
 }
 
 #if defined(ASIO_HAS_DECLTYPE) || defined(GENERATING_DOCUMENTATION)
 
 /// Get an iterator to the first element in a buffer sequence.
 template <typename C>
-inline auto buffer_sequence_begin(C& c) -> decltype(c.begin())
+inline auto buffer_sequence_begin(C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT -> decltype(c.begin())
 {
   return c.begin();
 }
 
 /// Get an iterator to the first element in a buffer sequence.
 template <typename C>
-inline auto buffer_sequence_begin(const C& c) -> decltype(c.begin())
+inline auto buffer_sequence_begin(const C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT -> decltype(c.begin())
 {
   return c.begin();
 }
@@ -447,13 +428,21 @@ inline auto buffer_sequence_begin(const C& c) -> decltype(c.begin())
 #else // defined(ASIO_HAS_DECLTYPE) || defined(GENERATING_DOCUMENTATION)
 
 template <typename C>
-inline typename C::iterator buffer_sequence_begin(C& c)
+inline typename C::iterator buffer_sequence_begin(C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
   return c.begin();
 }
 
 template <typename C>
-inline typename C::const_iterator buffer_sequence_begin(const C& c)
+inline typename C::const_iterator buffer_sequence_begin(const C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
   return c.begin();
 }
@@ -470,29 +459,45 @@ inline typename C::const_iterator buffer_sequence_begin(const C& c)
 /*@{*/
 
 /// Get an iterator to one past the end element in a buffer sequence.
-inline const mutable_buffer* buffer_sequence_end(const mutable_buffer& b)
+template <typename MutableBuffer>
+inline const mutable_buffer* buffer_sequence_end(const MutableBuffer& b,
+    typename enable_if<
+      is_convertible<const MutableBuffer*, const mutable_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
-  return &b + 1;
+  return static_cast<const mutable_buffer*>(detail::addressof(b)) + 1;
 }
 
 /// Get an iterator to one past the end element in a buffer sequence.
-inline const const_buffer* buffer_sequence_end(const const_buffer& b)
+template <typename ConstBuffer>
+inline const const_buffer* buffer_sequence_end(const ConstBuffer& b,
+    typename enable_if<
+      is_convertible<const ConstBuffer*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
-  return &b + 1;
+  return static_cast<const const_buffer*>(detail::addressof(b)) + 1;
 }
 
 #if defined(ASIO_HAS_DECLTYPE) || defined(GENERATING_DOCUMENTATION)
 
 /// Get an iterator to one past the end element in a buffer sequence.
 template <typename C>
-inline auto buffer_sequence_end(C& c) -> decltype(c.end())
+inline auto buffer_sequence_end(C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT -> decltype(c.end())
 {
   return c.end();
 }
 
 /// Get an iterator to one past the end element in a buffer sequence.
 template <typename C>
-inline auto buffer_sequence_end(const C& c) -> decltype(c.end())
+inline auto buffer_sequence_end(const C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT -> decltype(c.end())
 {
   return c.end();
 }
@@ -500,13 +505,21 @@ inline auto buffer_sequence_end(const C& c) -> decltype(c.end())
 #else // defined(ASIO_HAS_DECLTYPE) || defined(GENERATING_DOCUMENTATION)
 
 template <typename C>
-inline typename C::iterator buffer_sequence_end(C& c)
+inline typename C::iterator buffer_sequence_end(C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
   return c.end();
 }
 
 template <typename C>
-inline typename C::const_iterator buffer_sequence_end(const C& c)
+inline typename C::const_iterator buffer_sequence_end(const C& c,
+    typename enable_if<
+      !is_convertible<const C*, const mutable_buffer*>::value
+        && !is_convertible<const C*, const const_buffer*>::value
+    >::type* = 0) ASIO_NOEXCEPT
 {
   return c.end();
 }
@@ -706,7 +719,7 @@ public:
 
   void operator()()
   {
-    *iter_;
+    (void)*iter_;
   }
 
 private:
@@ -1403,7 +1416,7 @@ inline ASIO_MUTABLE_BUFFER buffer(
       );
 }
 
-/// Create a new non-modifiable buffer that represents the given string.
+/// Create a new modifiable buffer that represents the given string.
 /**
  * @returns A mutable_buffer value equivalent to:
  * @code mutable_buffer(
@@ -1475,7 +1488,7 @@ inline ASIO_CONST_BUFFER buffer(
       );
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create a new modifiable buffer that represents the given string_view.
@@ -1520,7 +1533,7 @@ inline ASIO_CONST_BUFFER buffer(
       );
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 /*@}*/
@@ -1533,19 +1546,23 @@ template <typename Elem, typename Traits, typename Allocator>
 class dynamic_string_buffer
 {
 public:
-  /// The type used to represent the input sequence as a list of buffers.
+  /// The type used to represent a sequence of constant buffers that refers to
+  /// the underlying memory.
   typedef ASIO_CONST_BUFFER const_buffers_type;
 
-  /// The type used to represent the output sequence as a list of buffers.
+  /// The type used to represent a sequence of mutable buffers that refers to
+  /// the underlying memory.
   typedef ASIO_MUTABLE_BUFFER mutable_buffers_type;
 
   /// Construct a dynamic buffer from a string.
   /**
    * @param s The string to be used as backing storage for the dynamic buffer.
-   * Any existing data in the string is treated as the dynamic buffer's input
-   * sequence. The object stores a reference to the string and the user is
-   * responsible for ensuring that the string object remains valid until the
-   * dynamic_string_buffer object is destroyed.
+   * The object stores a reference to the string and the user is responsible
+   * for ensuring that the string object remains valid while the
+   * dynamic_string_buffer object, and copies of the object, are in use.
+   *
+   * @b DynamicBuffer_v1: Any existing data in the string is treated as the
+   * dynamic buffer's input sequence.
    *
    * @param maximum_size Specifies a maximum size for the buffer, in bytes.
    */
@@ -1553,64 +1570,131 @@ public:
       std::size_t maximum_size =
         (std::numeric_limits<std::size_t>::max)()) ASIO_NOEXCEPT
     : string_(s),
-      size_(string_.size()),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      size_((std::numeric_limits<std::size_t>::max)()),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       max_size_(maximum_size)
   {
   }
 
+  /// @b DynamicBuffer_v2: Copy construct a dynamic buffer.
+  dynamic_string_buffer(const dynamic_string_buffer& other) ASIO_NOEXCEPT
+    : string_(other.string_),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      size_(other.size_),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      max_size_(other.max_size_)
+  {
+  }
+
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
   /// Move construct a dynamic buffer.
   dynamic_string_buffer(dynamic_string_buffer&& other) ASIO_NOEXCEPT
     : string_(other.string_),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       size_(other.size_),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       max_size_(other.max_size_)
   {
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
-  /// Get the size of the input sequence.
+  /// @b DynamicBuffer_v1: Get the size of the input sequence.
+  /// @b DynamicBuffer_v2: Get the current size of the underlying memory.
+  /**
+   * @returns @b DynamicBuffer_v1 The current size of the input sequence.
+   * @b DynamicBuffer_v2: The current size of the underlying string if less than
+   * max_size(). Otherwise returns max_size().
+   */
   std::size_t size() const ASIO_NOEXCEPT
   {
-    return size_;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    if (size_ != (std::numeric_limits<std::size_t>::max)())
+      return size_;
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    return (std::min)(string_.size(), max_size());
   }
 
   /// Get the maximum size of the dynamic buffer.
   /**
-   * @returns The allowed maximum of the sum of the sizes of the input sequence
-   * and output sequence.
+   * @returns The allowed maximum size of the underlying memory.
    */
   std::size_t max_size() const ASIO_NOEXCEPT
   {
     return max_size_;
   }
 
-  /// Get the current capacity of the dynamic buffer.
+  /// Get the maximum size that the buffer may grow to without triggering
+  /// reallocation.
   /**
-   * @returns The current total capacity of the buffer, i.e. for both the input
-   * sequence and output sequence.
+   * @returns The current capacity of the underlying string if less than
+   * max_size(). Otherwise returns max_size().
    */
   std::size_t capacity() const ASIO_NOEXCEPT
   {
-    return string_.capacity();
+    return (std::min)(string_.capacity(), max_size());
   }
 
-  /// Get a list of buffers that represents the input sequence.
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  /// @b DynamicBuffer_v1: Get a list of buffers that represents the input
+  /// sequence.
   /**
    * @returns An object of type @c const_buffers_type that satisfies
    * ConstBufferSequence requirements, representing the basic_string memory in
-   * input sequence.
+   * the input sequence.
    *
    * @note The returned object is invalidated by any @c dynamic_string_buffer
-   * or @c basic_string member function that modifies the input sequence or
-   * output sequence.
+   * or @c basic_string member function that resizes or erases the string.
    */
   const_buffers_type data() const ASIO_NOEXCEPT
   {
     return const_buffers_type(asio::buffer(string_, size_));
   }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 
-  /// Get a list of buffers that represents the output sequence, with the given
-  /// size.
+  /// @b DynamicBuffer_v2: Get a sequence of buffers that represents the
+  /// underlying memory.
+  /**
+   * @param pos Position of the first byte to represent in the buffer sequence
+   *
+   * @param n The number of bytes to return in the buffer sequence. If the
+   * underlying memory is shorter, the buffer sequence represents as many bytes
+   * as are available.
+   *
+   * @returns An object of type @c mutable_buffers_type that satisfies
+   * MutableBufferSequence requirements, representing the basic_string memory.
+   *
+   * @note The returned object is invalidated by any @c dynamic_string_buffer
+   * or @c basic_string member function that resizes or erases the string.
+   */
+  mutable_buffers_type data(std::size_t pos, std::size_t n) ASIO_NOEXCEPT
+  {
+    return mutable_buffers_type(asio::buffer(
+          asio::buffer(string_, max_size_) + pos, n));
+  }
+
+  /// @b DynamicBuffer_v2: Get a sequence of buffers that represents the
+  /// underlying memory.
+  /**
+   * @param pos Position of the first byte to represent in the buffer sequence
+   *
+   * @param n The number of bytes to return in the buffer sequence. If the
+   * underlying memory is shorter, the buffer sequence represents as many bytes
+   * as are available.
+   *
+   * @note The returned object is invalidated by any @c dynamic_string_buffer
+   * or @c basic_string member function that resizes or erases the string.
+   */
+  const_buffers_type data(std::size_t pos,
+      std::size_t n) const ASIO_NOEXCEPT
+  {
+    return const_buffers_type(asio::buffer(
+          asio::buffer(string_, max_size_) + pos, n));
+  }
+
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  /// @b DynamicBuffer_v1: Get a list of buffers that represents the output
+  /// sequence, with the given size.
   /**
    * Ensures that the output sequence can accommodate @c n bytes, resizing the
    * basic_string object as necessary.
@@ -1627,18 +1711,22 @@ public:
    */
   mutable_buffers_type prepare(std::size_t n)
   {
-    if (size () > max_size() || max_size() - size() < n)
+    if (size() > max_size() || max_size() - size() < n)
     {
       std::length_error ex("dynamic_string_buffer too long");
       asio::detail::throw_exception(ex);
     }
 
+    if (size_ == (std::numeric_limits<std::size_t>::max)())
+      size_ = string_.size(); // Enable v1 behaviour.
+
     string_.resize(size_ + n);
 
     return asio::buffer(asio::buffer(string_) + size_, n);
   }
 
-  /// Move bytes from the output sequence to the input sequence.
+  /// @b DynamicBuffer_v1: Move bytes from the output sequence to the input
+  /// sequence.
   /**
    * @param n The number of bytes to append from the start of the output
    * sequence to the end of the input sequence. The remainder of the output
@@ -1655,24 +1743,69 @@ public:
     size_ += (std::min)(n, string_.size() - size_);
     string_.resize(size_);
   }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 
-  /// Remove characters from the input sequence.
+  /// @b DynamicBuffer_v2: Grow the underlying memory by the specified number of
+  /// bytes.
   /**
-   * Removes @c n characters from the beginning of the input sequence.
+   * Resizes the string to accommodate an additional @c n bytes at the end.
    *
-   * @note If @c n is greater than the size of the input sequence, the entire
-   * input sequence is consumed and no error is issued.
+   * @throws std::length_error If <tt>size() + n > max_size()</tt>.
+   */
+  void grow(std::size_t n)
+  {
+    if (size() > max_size() || max_size() - size() < n)
+    {
+      std::length_error ex("dynamic_string_buffer too long");
+      asio::detail::throw_exception(ex);
+    }
+
+    string_.resize(size() + n);
+  }
+
+  /// @b DynamicBuffer_v2: Shrink the underlying memory by the specified number
+  /// of bytes.
+  /**
+   * Erases @c n bytes from the end of the string by resizing the basic_string
+   * object. If @c n is greater than the current size of the string, the string
+   * is emptied.
+   */
+  void shrink(std::size_t n)
+  {
+    string_.resize(n > size() ? 0 : size() - n);
+  }
+
+  /// @b DynamicBuffer_v1: Remove characters from the input sequence.
+  /// @b DynamicBuffer_v2: Consume the specified number of bytes from the
+  /// beginning of the underlying memory.
+  /**
+   * @b DynamicBuffer_v1: Removes @c n characters from the beginning of the
+   * input sequence. @note If @c n is greater than the size of the input
+   * sequence, the entire input sequence is consumed and no error is issued.
+   *
+   * @b DynamicBuffer_v2: Erases @c n bytes from the beginning of the string.
+   * If @c n is greater than the current size of the string, the string is
+   * emptied.
    */
   void consume(std::size_t n)
   {
-    std::size_t consume_length = (std::min)(n, size_);
-    string_.erase(0, consume_length);
-    size_ -= consume_length;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    if (size_ != (std::numeric_limits<std::size_t>::max)())
+    {
+      std::size_t consume_length = (std::min)(n, size_);
+      string_.erase(0, consume_length);
+      size_ -= consume_length;
+      return;
+    }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    string_.erase(0, n);
   }
 
 private:
   std::basic_string<Elem, Traits, Allocator>& string_;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   std::size_t size_;
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   const std::size_t max_size_;
 };
 
@@ -1684,19 +1817,20 @@ template <typename Elem, typename Allocator>
 class dynamic_vector_buffer
 {
 public:
-  /// The type used to represent the input sequence as a list of buffers.
+  /// The type used to represent a sequence of constant buffers that refers to
+  /// the underlying memory.
   typedef ASIO_CONST_BUFFER const_buffers_type;
 
-  /// The type used to represent the output sequence as a list of buffers.
+  /// The type used to represent a sequence of mutable buffers that refers to
+  /// the underlying memory.
   typedef ASIO_MUTABLE_BUFFER mutable_buffers_type;
 
-  /// Construct a dynamic buffer from a string.
+  /// Construct a dynamic buffer from a vector.
   /**
    * @param v The vector to be used as backing storage for the dynamic buffer.
-   * Any existing data in the vector is treated as the dynamic buffer's input
-   * sequence. The object stores a reference to the vector and the user is
-   * responsible for ensuring that the vector object remains valid until the
-   * dynamic_vector_buffer object is destroyed.
+   * The object stores a reference to the vector and the user is responsible
+   * for ensuring that the vector object remains valid while the
+   * dynamic_vector_buffer object, and copies of the object, are in use.
    *
    * @param maximum_size Specifies a maximum size for the buffer, in bytes.
    */
@@ -1704,77 +1838,149 @@ public:
       std::size_t maximum_size =
         (std::numeric_limits<std::size_t>::max)()) ASIO_NOEXCEPT
     : vector_(v),
-      size_(vector_.size()),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      size_((std::numeric_limits<std::size_t>::max)()),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       max_size_(maximum_size)
   {
   }
 
+  /// @b DynamicBuffer_v2: Copy construct a dynamic buffer.
+  dynamic_vector_buffer(const dynamic_vector_buffer& other) ASIO_NOEXCEPT
+    : vector_(other.vector_),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      size_(other.size_),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+      max_size_(other.max_size_)
+  {
+  }
+
 #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
   /// Move construct a dynamic buffer.
   dynamic_vector_buffer(dynamic_vector_buffer&& other) ASIO_NOEXCEPT
     : vector_(other.vector_),
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       size_(other.size_),
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
       max_size_(other.max_size_)
   {
   }
 #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
 
-  /// Get the size of the input sequence.
+  /// @b DynamicBuffer_v1: Get the size of the input sequence.
+  /// @b DynamicBuffer_v2: Get the current size of the underlying memory.
+  /**
+   * @returns @b DynamicBuffer_v1 The current size of the input sequence.
+   * @b DynamicBuffer_v2: The current size of the underlying vector if less than
+   * max_size(). Otherwise returns max_size().
+   */
   std::size_t size() const ASIO_NOEXCEPT
   {
-    return size_;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    if (size_ != (std::numeric_limits<std::size_t>::max)())
+      return size_;
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    return (std::min)(vector_.size(), max_size());
   }
 
   /// Get the maximum size of the dynamic buffer.
   /**
-   * @returns The allowed maximum of the sum of the sizes of the input sequence
-   * and output sequence.
+   * @returns @b DynamicBuffer_v1: The allowed maximum of the sum of the sizes
+   * of the input sequence and output sequence. @b DynamicBuffer_v2: The allowed
+   * maximum size of the underlying memory.
    */
   std::size_t max_size() const ASIO_NOEXCEPT
   {
     return max_size_;
   }
 
-  /// Get the current capacity of the dynamic buffer.
+  /// Get the maximum size that the buffer may grow to without triggering
+  /// reallocation.
   /**
-   * @returns The current total capacity of the buffer, i.e. for both the input
-   * sequence and output sequence.
+   * @returns @b DynamicBuffer_v1: The current total capacity of the buffer,
+   * i.e. for both the input sequence and output sequence. @b DynamicBuffer_v2:
+   * The current capacity of the underlying vector if less than max_size().
+   * Otherwise returns max_size().
    */
   std::size_t capacity() const ASIO_NOEXCEPT
   {
-    return vector_.capacity();
+    return (std::min)(vector_.capacity(), max_size());
   }
 
-  /// Get a list of buffers that represents the input sequence.
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  /// @b DynamicBuffer_v1: Get a list of buffers that represents the input
+  /// sequence.
   /**
    * @returns An object of type @c const_buffers_type that satisfies
-   * ConstBufferSequence requirements, representing the basic_string memory in
+   * ConstBufferSequence requirements, representing the vector memory in the
    * input sequence.
    *
    * @note The returned object is invalidated by any @c dynamic_vector_buffer
-   * or @c basic_string member function that modifies the input sequence or
-   * output sequence.
+   * or @c vector member function that modifies the input sequence or output
+   * sequence.
    */
   const_buffers_type data() const ASIO_NOEXCEPT
   {
     return const_buffers_type(asio::buffer(vector_, size_));
   }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 
-  /// Get a list of buffers that represents the output sequence, with the given
-  /// size.
+  /// @b DynamicBuffer_v2: Get a sequence of buffers that represents the
+  /// underlying memory.
   /**
-   * Ensures that the output sequence can accommodate @c n bytes, resizing the
-   * basic_string object as necessary.
+   * @param pos Position of the first byte to represent in the buffer sequence
+   *
+   * @param n The number of bytes to return in the buffer sequence. If the
+   * underlying memory is shorter, the buffer sequence represents as many bytes
+   * as are available.
    *
    * @returns An object of type @c mutable_buffers_type that satisfies
-   * MutableBufferSequence requirements, representing basic_string memory
-   * at the start of the output sequence of size @c n.
+   * MutableBufferSequence requirements, representing the vector memory.
+   *
+   * @note The returned object is invalidated by any @c dynamic_vector_buffer
+   * or @c vector member function that resizes or erases the vector.
+   */
+  mutable_buffers_type data(std::size_t pos, std::size_t n) ASIO_NOEXCEPT
+  {
+    return mutable_buffers_type(asio::buffer(
+          asio::buffer(vector_, max_size_) + pos, n));
+  }
+
+  /// @b DynamicBuffer_v2: Get a sequence of buffers that represents the
+  /// underlying memory.
+  /**
+   * @param pos Position of the first byte to represent in the buffer sequence
+   *
+   * @param n The number of bytes to return in the buffer sequence. If the
+   * underlying memory is shorter, the buffer sequence represents as many bytes
+   * as are available.
+   *
+   * @note The returned object is invalidated by any @c dynamic_vector_buffer
+   * or @c vector member function that resizes or erases the vector.
+   */
+  const_buffers_type data(std::size_t pos,
+      std::size_t n) const ASIO_NOEXCEPT
+  {
+    return const_buffers_type(asio::buffer(
+          asio::buffer(vector_, max_size_) + pos, n));
+  }
+
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  /// @b DynamicBuffer_v1: Get a list of buffers that represents the output
+  /// sequence, with the given size.
+  /**
+   * Ensures that the output sequence can accommodate @c n bytes, resizing the
+   * vector object as necessary.
+   *
+   * @returns An object of type @c mutable_buffers_type that satisfies
+   * MutableBufferSequence requirements, representing vector memory at the
+   * start of the output sequence of size @c n.
    *
    * @throws std::length_error If <tt>size() + n > max_size()</tt>.
    *
    * @note The returned object is invalidated by any @c dynamic_vector_buffer
-   * or @c basic_string member function that modifies the input sequence or
-   * output sequence.
+   * or @c vector member function that modifies the input sequence or output
+   * sequence.
    */
   mutable_buffers_type prepare(std::size_t n)
   {
@@ -1784,12 +1990,16 @@ public:
       asio::detail::throw_exception(ex);
     }
 
+    if (size_ == (std::numeric_limits<std::size_t>::max)())
+      size_ = vector_.size(); // Enable v1 behaviour.
+
     vector_.resize(size_ + n);
 
     return asio::buffer(asio::buffer(vector_) + size_, n);
   }
 
-  /// Move bytes from the output sequence to the input sequence.
+  /// @b DynamicBuffer_v1: Move bytes from the output sequence to the input
+  /// sequence.
   /**
    * @param n The number of bytes to append from the start of the output
    * sequence to the end of the input sequence. The remainder of the output
@@ -1806,24 +2016,69 @@ public:
     size_ += (std::min)(n, vector_.size() - size_);
     vector_.resize(size_);
   }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
 
-  /// Remove characters from the input sequence.
+  /// @b DynamicBuffer_v2: Grow the underlying memory by the specified number of
+  /// bytes.
   /**
-   * Removes @c n characters from the beginning of the input sequence.
+   * Resizes the vector to accommodate an additional @c n bytes at the end.
    *
-   * @note If @c n is greater than the size of the input sequence, the entire
-   * input sequence is consumed and no error is issued.
+   * @throws std::length_error If <tt>size() + n > max_size()</tt>.
+   */
+  void grow(std::size_t n)
+  {
+    if (size() > max_size() || max_size() - size() < n)
+    {
+      std::length_error ex("dynamic_vector_buffer too long");
+      asio::detail::throw_exception(ex);
+    }
+
+    vector_.resize(size() + n);
+  }
+
+  /// @b DynamicBuffer_v2: Shrink the underlying memory by the specified number
+  /// of bytes.
+  /**
+   * Erases @c n bytes from the end of the vector by resizing the vector
+   * object. If @c n is greater than the current size of the vector, the vector
+   * is emptied.
+   */
+  void shrink(std::size_t n)
+  {
+    vector_.resize(n > size() ? 0 : size() - n);
+  }
+
+  /// @b DynamicBuffer_v1: Remove characters from the input sequence.
+  /// @b DynamicBuffer_v2: Consume the specified number of bytes from the
+  /// beginning of the underlying memory.
+  /**
+   * @b DynamicBuffer_v1: Removes @c n characters from the beginning of the
+   * input sequence. @note If @c n is greater than the size of the input
+   * sequence, the entire input sequence is consumed and no error is issued.
+   *
+   * @b DynamicBuffer_v2: Erases @c n bytes from the beginning of the vector.
+   * If @c n is greater than the current size of the vector, the vector is
+   * emptied.
    */
   void consume(std::size_t n)
   {
-    std::size_t consume_length = (std::min)(n, size_);
-    vector_.erase(vector_.begin(), vector_.begin() + consume_length);
-    size_ -= consume_length;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    if (size_ != (std::numeric_limits<std::size_t>::max)())
+    {
+      std::size_t consume_length = (std::min)(n, size_);
+      vector_.erase(vector_.begin(), vector_.begin() + consume_length);
+      size_ -= consume_length;
+      return;
+    }
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+    vector_.erase(vector_.begin(), vector_.begin() + (std::min)(size(), n));
   }
 
 private:
   std::vector<Elem, Allocator>& vector_;
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   std::size_t size_;
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
   const std::size_t max_size_;
 };
 
@@ -2157,6 +2412,83 @@ inline std::size_t buffer_copy(const MutableBufferSequence& target,
 
 } // namespace asio
 
+#include "asio/detail/pop_options.hpp"
+#include "asio/detail/is_buffer_sequence.hpp"
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+/// Trait to determine whether a type satisfies the MutableBufferSequence
+/// requirements.
+template <typename T>
+struct is_mutable_buffer_sequence
+#if defined(GENERATING_DOCUMENTATION)
+  : integral_constant<bool, automatically_determined>
+#else // defined(GENERATING_DOCUMENTATION)
+  : asio::detail::is_buffer_sequence<T, mutable_buffer>
+#endif // defined(GENERATING_DOCUMENTATION)
+{
+};
+
+/// Trait to determine whether a type satisfies the ConstBufferSequence
+/// requirements.
+template <typename T>
+struct is_const_buffer_sequence
+#if defined(GENERATING_DOCUMENTATION)
+  : integral_constant<bool, automatically_determined>
+#else // defined(GENERATING_DOCUMENTATION)
+  : asio::detail::is_buffer_sequence<T, const_buffer>
+#endif // defined(GENERATING_DOCUMENTATION)
+{
+};
+
+#if !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+/// Trait to determine whether a type satisfies the DynamicBuffer_v1
+/// requirements.
+template <typename T>
+struct is_dynamic_buffer_v1
+#if defined(GENERATING_DOCUMENTATION)
+  : integral_constant<bool, automatically_determined>
+#else // defined(GENERATING_DOCUMENTATION)
+  : asio::detail::is_dynamic_buffer_v1<T>
+#endif // defined(GENERATING_DOCUMENTATION)
+{
+};
+#endif // !defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+
+/// Trait to determine whether a type satisfies the DynamicBuffer_v2
+/// requirements.
+template <typename T>
+struct is_dynamic_buffer_v2
+#if defined(GENERATING_DOCUMENTATION)
+  : integral_constant<bool, automatically_determined>
+#else // defined(GENERATING_DOCUMENTATION)
+  : asio::detail::is_dynamic_buffer_v2<T>
+#endif // defined(GENERATING_DOCUMENTATION)
+{
+};
+
+/// Trait to determine whether a type satisfies the DynamicBuffer requirements.
+/**
+ * If @c ASIO_NO_DYNAMIC_BUFFER_V1 is not defined, determines whether the
+ * type satisfies the DynamicBuffer_v1 requirements. Otherwise, if @c
+ * ASIO_NO_DYNAMIC_BUFFER_V1 is defined, determines whether the type
+ * satisfies the DynamicBuffer_v1 requirements.
+ */
+template <typename T>
+struct is_dynamic_buffer
+#if defined(GENERATING_DOCUMENTATION)
+  : integral_constant<bool, automatically_determined>
+#elif defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  : asio::is_dynamic_buffer_v2<T>
+#else // defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+  : asio::is_dynamic_buffer_v1<T>
+#endif // defined(ASIO_NO_DYNAMIC_BUFFER_V1)
+{
+};
+
+} // namespace asio
+
 #include "asio/detail/pop_options.hpp"
 
 #endif // ASIO_BUFFER_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_read_stream.hpp

@@ -2,7 +2,7 @@
 // buffered_read_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -26,7 +26,6 @@
 #include "asio/detail/noncopyable.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
 
 #include "asio/detail/push_options.hpp"
 
@@ -105,22 +104,6 @@ public:
     return next_layer_.lowest_layer().get_executor();
   }
 
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_context()
-  {
-    return next_layer_.get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_service()
-  {
-    return next_layer_.get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Close the stream.
   void close()
   {

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_read_stream_fwd.hpp

@@ -2,7 +2,7 @@
 // buffered_read_stream_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_stream.hpp

@@ -2,7 +2,7 @@
 // buffered_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -23,7 +23,6 @@
 #include "asio/buffered_stream_fwd.hpp"
 #include "asio/detail/noncopyable.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
 
 #include "asio/detail/push_options.hpp"
 
@@ -96,22 +95,6 @@ public:
     return stream_impl_.lowest_layer().get_executor();
   }
 
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_context()
-  {
-    return stream_impl_.get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_service()
-  {
-    return stream_impl_.get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Close the stream.
   void close()
   {

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_stream_fwd.hpp

@@ -2,7 +2,7 @@
 // buffered_stream_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_write_stream.hpp

@@ -2,7 +2,7 @@
 // buffered_write_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -25,7 +25,6 @@
 #include "asio/detail/noncopyable.hpp"
 #include "asio/detail/type_traits.hpp"
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
 #include "asio/write.hpp"
 
 #include "asio/detail/push_options.hpp"
@@ -105,22 +104,6 @@ public:
     return next_layer_.lowest_layer().get_executor();
   }
 
-#if !defined(ASIO_NO_DEPRECATED)
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_context()
-  {
-    return next_layer_.get_io_context();
-  }
-
-  /// (Deprecated: Use get_executor().) Get the io_context associated with the
-  /// object.
-  asio::io_context& get_io_service()
-  {
-    return next_layer_.get_io_service();
-  }
-#endif // !defined(ASIO_NO_DEPRECATED)
-
   /// Close the stream.
   void close()
   {

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffered_write_stream_fwd.hpp

@@ -2,7 +2,7 @@
 // buffered_write_stream_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/buffers_iterator.hpp

@@ -2,7 +2,7 @@
 // buffers_iterator.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/co_spawn.hpp

@@ -0,0 +1,88 @@
+//
+// co_spawn.hpp
+// ~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_CO_SPAWN_HPP
+#define ASIO_CO_SPAWN_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#include "asio/awaitable.hpp"
+#include "asio/execution_context.hpp"
+#include "asio/is_executor.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+template <typename T>
+struct awaitable_signature;
+
+template <typename T, typename Executor>
+struct awaitable_signature<awaitable<T, Executor>>
+{
+  typedef void type(std::exception_ptr, T);
+};
+
+template <typename Executor>
+struct awaitable_signature<awaitable<void, Executor>>
+{
+  typedef void type(std::exception_ptr);
+};
+
+} // namespace detail
+
+/// Spawn a new thread of execution.
+/**
+ * The entry point function object @c f must have the signature:
+ *
+ * @code awaitable<void, E> f(); @endcode
+ *
+ * where @c E is convertible from @c Executor.
+ */
+template <typename Executor, typename F, typename CompletionToken>
+ASIO_INITFN_RESULT_TYPE(CompletionToken,
+    typename detail::awaitable_signature<typename result_of<F()>::type>::type)
+co_spawn(const Executor& ex, F&& f, CompletionToken&& token,
+    typename enable_if<
+      is_executor<Executor>::value
+    >::type* = 0);
+
+/// Spawn a new thread of execution.
+/**
+ * The entry point function object @c f must have the signature:
+ *
+ * @code awaitable<void, E> f(); @endcode
+ *
+ * where @c E is convertible from @c ExecutionContext::executor_type.
+ */
+template <typename ExecutionContext, typename F, typename CompletionToken>
+ASIO_INITFN_RESULT_TYPE(CompletionToken,
+    typename detail::awaitable_signature<typename result_of<F()>::type>::type)
+co_spawn(ExecutionContext& ctx, F&& f, CompletionToken&& token,
+    typename enable_if<
+      is_convertible<ExecutionContext&, execution_context&>::value
+    >::type* = 0);
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/co_spawn.hpp"
+
+#endif // defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#endif // ASIO_CO_SPAWN_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/completion_condition.hpp

@@ -2,7 +2,7 @@
 // completion_condition.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/compose.hpp

@@ -0,0 +1,136 @@
+//
+// compose.hpp
+// ~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_COMPOSE_HPP
+#define ASIO_COMPOSE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/async_result.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES) \
+  || defined(GENERATING_DOCUMENTATION)
+
+/// Launch an asynchronous operation with a stateful implementation.
+/**
+ * The async_compose function simplifies the implementation of composed
+ * asynchronous operations automatically wrapping a stateful function object
+ * with a conforming intermediate completion handler.
+ *
+ * @param implementation A function object that contains the implementation of
+ * the composed asynchronous operation. The first argument to the function
+ * object is a non-const reference to the enclosing intermediate completion
+ * handler. The remaining arguments are any arguments that originate from the
+ * completion handlers of any asynchronous operations performed by the
+ * implementation.
+
+ * @param token The completion token.
+ *
+ * @param io_objects_or_executors Zero or more I/O objects or I/O executors for
+ * which outstanding work must be maintained.
+ *
+ * @par Example:
+ *
+ * @code struct async_echo_implementation
+ * {
+ *   tcp::socket& socket_;
+ *   asio::mutable_buffer buffer_;
+ *   enum { starting, reading, writing } state_;
+ *
+ *   template <typename Self>
+ *   void operator()(Self& self,
+ *       asio::error_code error = {},
+ *       std::size_t n = 0)
+ *   {
+ *     switch (state_)
+ *     {
+ *     case starting:
+ *       state_ = reading;
+ *       socket_.async_read_some(
+ *           buffer_, std::move(self));
+ *       break;
+ *     case reading:
+ *       if (error)
+ *       {
+ *         self.complete(error, 0);
+ *       }
+ *       else
+ *       {
+ *         state_ = writing;
+ *         asio::async_write(socket_, buffer_,
+ *             asio::transfer_exactly(n),
+ *             std::move(self));
+ *       }
+ *       break;
+ *     case writing:
+ *       self.complete(error, n);
+ *       break;
+ *     }
+ *   }
+ * };
+ *
+ * template <typename CompletionToken>
+ * auto async_echo(tcp::socket& socket,
+ *     asio::mutable_buffer buffer,
+ *     CompletionToken&& token) ->
+ *   typename asio::async_result<
+ *     typename std::decay<CompletionToken>::type,
+ *       void(asio::error_code, std::size_t)>::return_type
+ * {
+ *   return asio::async_compose<CompletionToken,
+ *     void(asio::error_code, std::size_t)>(
+ *       async_echo_implementation{socket, buffer,
+ *         async_echo_implementation::starting},
+ *       token, socket);
+ * } @endcode
+ */
+template <typename CompletionToken, typename Signature,
+    typename Implementation, typename... IoObjectsOrExecutors>
+ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)
+async_compose(ASIO_MOVE_ARG(Implementation) implementation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token,
+    ASIO_MOVE_ARG(IoObjectsOrExecutors)... io_objects_or_executors);
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+      //   || defined(GENERATING_DOCUMENTATION)
+
+template <typename CompletionToken, typename Signature, typename Implementation>
+ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature)
+async_compose(ASIO_MOVE_ARG(Implementation) implementation,
+    ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token);
+
+#define ASIO_PRIVATE_ASYNC_COMPOSE_DEF(n) \
+  template <typename CompletionToken, typename Signature, \
+      typename Implementation, ASIO_VARIADIC_TPARAMS(n)> \
+  ASIO_INITFN_RESULT_TYPE(CompletionToken, Signature) \
+  async_compose(ASIO_MOVE_ARG(Implementation) implementation, \
+      ASIO_NONDEDUCED_MOVE_ARG(CompletionToken) token, \
+      ASIO_VARIADIC_MOVE_PARAMS(n));
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_ASYNC_COMPOSE_DEF)
+#undef ASIO_PRIVATE_ASYNC_COMPOSE_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+       //   || defined(GENERATING_DOCUMENTATION)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/compose.hpp"
+
+#endif // ASIO_COMPOSE_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/connect.hpp

@@ -2,7 +2,7 @@
 // connect.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -58,7 +58,8 @@ struct is_endpoint_sequence
 /**
  * @defgroup connect asio::connect
  *
- * @brief Establishes a socket connection by trying each endpoint in a sequence.
+ * @brief The @c connect function is a composed operation that establishes a
+ * socket connection by trying each endpoint in a sequence.
  */
 /*@{*/
 
@@ -81,14 +82,13 @@ struct is_endpoint_sequence
  * Otherwise, contains the error from the last connection attempt.
  *
  * @par Example
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::connect(s, r.resolve(q)); @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename EndpointSequence>
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
@@ -113,9 +113,9 @@ typename Protocol::endpoint connect(
  * default-constructed endpoint.
  *
  * @par Example
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::error_code ec;
  * asio::connect(s, r.resolve(q), ec);
  * if (ec)
@@ -123,16 +123,15 @@ typename Protocol::endpoint connect(
  *   // An error occurred.
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename EndpointSequence>
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, asio::error_code& ec,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
 
 #if !defined(ASIO_NO_DEPRECATED)
-/// (Deprecated.) Establishes a socket connection by trying each endpoint in a
-/// sequence.
+/// (Deprecated: Use range overload.) Establishes a socket connection by trying
+/// each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c connect member
@@ -155,12 +154,12 @@ typename Protocol::endpoint connect(
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
 
-/// (Deprecated.) Establishes a socket connection by trying each endpoint in a
-/// sequence.
+/// (Deprecated: Use range overload.) Establishes a socket connection by trying
+/// each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c connect member
@@ -183,8 +182,8 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, asio::error_code& ec,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
 #endif // !defined(ASIO_NO_DEPRECATED)
@@ -210,14 +209,14 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  * Otherwise, contains the error from the last connection attempt.
  *
  * @par Example
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
  * tcp::resolver::results_type e = r.resolve(q);
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::connect(s, e.begin(), e.end()); @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, Iterator end);
 
 /// Establishes a socket connection by trying each endpoint in a sequence.
@@ -242,10 +241,10 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  * endpoint. Otherwise, the end iterator.
  *
  * @par Example
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
  * tcp::resolver::results_type e = r.resolve(q);
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::error_code ec;
  * asio::connect(s, e.begin(), e.end(), ec);
  * if (ec)
@@ -253,8 +252,8 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   // An error occurred.
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+template <typename Protocol, typename Executor, typename Iterator>
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, Iterator end, asio::error_code& ec);
 
 /// Establishes a socket connection by trying each endpoint in a sequence.
@@ -301,17 +300,16 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * tcp::endpoint e = asio::connect(s,
  *     r.resolve(q), my_connect_condition());
  * std::cout << "Connected to: " << e << std::endl; @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename EndpointSequence, typename ConnectCondition>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, ConnectCondition connect_condition,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
@@ -361,9 +359,9 @@ typename Protocol::endpoint connect(
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::error_code ec;
  * tcp::endpoint e = asio::connect(s,
  *     r.resolve(q), my_connect_condition(), ec);
@@ -376,18 +374,17 @@ typename Protocol::endpoint connect(
  *   std::cout << "Connected to: " << e << std::endl;
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename EndpointSequence, typename ConnectCondition>
-typename Protocol::endpoint connect(
-    basic_socket<Protocol ASIO_SVC_TARG>& s,
+typename Protocol::endpoint connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, ConnectCondition connect_condition,
     asio::error_code& ec,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
 
 #if !defined(ASIO_NO_DEPRECATED)
-/// (Deprecated.) Establishes a socket connection by trying each endpoint in a
-/// sequence.
+/// (Deprecated: Use range overload.) Establishes a socket connection by trying
+/// each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c connect member
@@ -421,14 +418,14 @@ typename Protocol::endpoint connect(
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, ConnectCondition connect_condition,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
 
-/// (Deprecated.) Establishes a socket connection by trying each endpoint in a
-/// sequence.
+/// (Deprecated: Use range overload.) Establishes a socket connection by trying
+/// each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c connect member
@@ -462,9 +459,9 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
     ConnectCondition connect_condition, asio::error_code& ec,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
 #endif // !defined(ASIO_NO_DEPRECATED)
@@ -515,17 +512,17 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
  * tcp::resolver::results_type e = r.resolve(q);
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * tcp::resolver::results_type::iterator i = asio::connect(
  *     s, e.begin(), e.end(), my_connect_condition());
  * std::cout << "Connected to: " << i->endpoint() << std::endl; @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
+Iterator connect(basic_socket<Protocol, Executor>& s, Iterator begin,
     Iterator end, ConnectCondition connect_condition);
 
 /// Establishes a socket connection by trying each endpoint in a sequence.
@@ -575,10 +572,10 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
  * tcp::resolver::results_type e = r.resolve(q);
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::error_code ec;
  * tcp::resolver::results_type::iterator i = asio::connect(
  *     s, e.begin(), e.end(), my_connect_condition());
@@ -591,9 +588,9 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   std::cout << "Connected to: " << i->endpoint() << std::endl;
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename ConnectCondition>
-Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+Iterator connect(basic_socket<Protocol, Executor>& s,
     Iterator begin, Iterator end, ConnectCondition connect_condition,
     asio::error_code& ec);
 
@@ -602,8 +599,8 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
 /**
  * @defgroup async_connect asio::async_connect
  *
- * @brief Asynchronously establishes a socket connection by trying each
- * endpoint in a sequence.
+ * @brief The @c async_connect function is a composed asynchronous operation
+ * that establishes a socket connection by trying each endpoint in a sequence.
  */
 /*@{*/
 
@@ -634,14 +631,14 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   const typename Protocol::endpoint& endpoint
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  *
  * // ...
  *
@@ -668,19 +665,19 @@ Iterator connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   // ...
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename EndpointSequence, typename RangeConnectHandler>
 ASIO_INITFN_RESULT_TYPE(RangeConnectHandler,
     void (asio::error_code, typename Protocol::endpoint))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+async_connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints,
     ASIO_MOVE_ARG(RangeConnectHandler) handler,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
 
 #if !defined(ASIO_NO_DEPRECATED)
-/// (Deprecated.) Asynchronously establishes a socket connection by trying each
-/// endpoint in a sequence.
+/// (Deprecated: Use range overload.) Asynchronously establishes a socket
+/// connection by trying each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c async_connect
@@ -706,20 +703,20 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   Iterator iterator
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note This overload assumes that a default constructed object of type @c
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename IteratorConnectHandler>
 ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, ASIO_MOVE_ARG(IteratorConnectHandler) handler,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+    ASIO_MOVE_ARG(IteratorConnectHandler) handler,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
 #endif // !defined(ASIO_NO_DEPRECATED)
 
@@ -752,13 +749,13 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   Iterator iterator
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * @code std::vector<tcp::endpoint> endpoints = ...;
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  * asio::async_connect(s,
  *     endpoints.begin(), endpoints.end(),
  *     connect_handler);
@@ -772,12 +769,11 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   // ...
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM,
+template <typename Protocol, typename Executor,
     typename Iterator, typename IteratorConnectHandler>
 ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, Iterator end,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin, Iterator end,
     ASIO_MOVE_ARG(IteratorConnectHandler) handler);
 
 /// Asynchronously establishes a socket connection by trying each endpoint in a
@@ -818,9 +814,9 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   Iterator iterator
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * The following connect condition function object can be used to output
@@ -837,9 +833,9 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  *
  * // ...
  *
@@ -875,19 +871,19 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   }
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename EndpointSequence,
+template <typename Protocol, typename Executor, typename EndpointSequence,
     typename ConnectCondition, typename RangeConnectHandler>
 ASIO_INITFN_RESULT_TYPE(RangeConnectHandler,
     void (asio::error_code, typename Protocol::endpoint))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
+async_connect(basic_socket<Protocol, Executor>& s,
     const EndpointSequence& endpoints, ConnectCondition connect_condition,
     ASIO_MOVE_ARG(RangeConnectHandler) handler,
     typename enable_if<is_endpoint_sequence<
         EndpointSequence>::value>::type* = 0);
 
 #if !defined(ASIO_NO_DEPRECATED)
-/// (Deprecated.) Asynchronously establishes a socket connection by trying each
-/// endpoint in a sequence.
+/// (Deprecated: Use range overload.) Asynchronously establishes a socket
+/// connection by trying each endpoint in a sequence.
 /**
  * This function attempts to connect a socket to one of a sequence of
  * endpoints. It does this by repeated calls to the socket's @c async_connect
@@ -924,19 +920,19 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
  *   Iterator iterator
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @note This overload assumes that a default constructed object of type @c
  * Iterator represents the end of the sequence. This is a valid assumption for
  * iterator types such as @c asio::ip::tcp::resolver::iterator.
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+template <typename Protocol, typename Executor, typename Iterator,
     typename ConnectCondition, typename IteratorConnectHandler>
 ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
     ConnectCondition connect_condition,
     ASIO_MOVE_ARG(IteratorConnectHandler) handler,
     typename enable_if<!is_endpoint_sequence<Iterator>::value>::type* = 0);
@@ -982,9 +978,9 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   Iterator iterator
  * ); @endcode
  * Regardless of whether the asynchronous operation completes immediately or
- * not, the handler will not be invoked from within this function. Invocation
- * of the handler will be performed in a manner equivalent to using
- * asio::io_context::post().
+ * not, the handler will not be invoked from within this function. On
+ * immediate completion, invocation of the handler will be performed in a
+ * manner equivalent to using asio::post().
  *
  * @par Example
  * The following connect condition function object can be used to output
@@ -1001,9 +997,9 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   }
  * }; @endcode
  * It would be used with the asio::connect function as follows:
- * @code tcp::resolver r(io_context);
+ * @code tcp::resolver r(my_context);
  * tcp::resolver::query q("host", "service");
- * tcp::socket s(io_context);
+ * tcp::socket s(my_context);
  *
  * // ...
  *
@@ -1040,12 +1036,12 @@ async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s, Iterator begin,
  *   }
  * } @endcode
  */
-template <typename Protocol ASIO_SVC_TPARAM, typename Iterator,
+template <typename Protocol, typename Executor, typename Iterator,
     typename ConnectCondition, typename IteratorConnectHandler>
 ASIO_INITFN_RESULT_TYPE(IteratorConnectHandler,
     void (asio::error_code, Iterator))
-async_connect(basic_socket<Protocol ASIO_SVC_TARG>& s,
-    Iterator begin, Iterator end, ConnectCondition connect_condition,
+async_connect(basic_socket<Protocol, Executor>& s, Iterator begin,
+    Iterator end, ConnectCondition connect_condition,
     ASIO_MOVE_ARG(IteratorConnectHandler) handler);
 
 /*@}*/

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/coroutine.hpp

@@ -2,7 +2,7 @@
 // coroutine.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -205,7 +205,7 @@ class coroutine_ref;
  * {
  *   do
  *   {
- *     socket_.reset(new tcp::socket(io_context_));
+ *     socket_.reset(new tcp::socket(my_context_));
  *     yield acceptor->async_accept(*socket_, *this);
  *     fork server(*this)();
  *   } while (is_parent());
@@ -227,7 +227,7 @@ class coroutine_ref;
  * Note that @c fork doesn't do the actual forking by itself. It is the
  * application's responsibility to create a clone of the coroutine and call it.
  * The clone can be called immediately, as above, or scheduled for delayed
- * execution using something like io_context::post().
+ * execution using something like asio::post().
  *
  * @par Alternate macro names
  *

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/datagram_socket_service.hpp

@@ -1,466 +0,0 @@
-//
-// datagram_socket_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_DATAGRAM_SOCKET_SERVICE_HPP
-#define ASIO_DATAGRAM_SOCKET_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/type_traits.hpp"
-#include "asio/error.hpp"
-#include "asio/io_context.hpp"
-
-#if defined(ASIO_WINDOWS_RUNTIME)
-# include "asio/detail/null_socket_service.hpp"
-#elif defined(ASIO_HAS_IOCP)
-# include "asio/detail/win_iocp_socket_service.hpp"
-#else
-# include "asio/detail/reactive_socket_service.hpp"
-#endif
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a datagram socket.
-template <typename Protocol>
-class datagram_socket_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<datagram_socket_service<Protocol> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-  /// The protocol type.
-  typedef Protocol protocol_type;
-
-  /// The endpoint type.
-  typedef typename Protocol::endpoint endpoint_type;
-
-private:
-  // The type of the platform-specific implementation.
-#if defined(ASIO_WINDOWS_RUNTIME)
-  typedef detail::null_socket_service<Protocol> service_impl_type;
-#elif defined(ASIO_HAS_IOCP)
-  typedef detail::win_iocp_socket_service<Protocol> service_impl_type;
-#else
-  typedef detail::reactive_socket_service<Protocol> service_impl_type;
-#endif
-
-public:
-  /// The type of a datagram socket.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// The native socket type.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined native_handle_type;
-#else
-  typedef typename service_impl_type::native_handle_type native_handle_type;
-#endif
-
-  /// Construct a new datagram socket service for the specified io_context.
-  explicit datagram_socket_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        datagram_socket_service<Protocol> >(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new datagram socket implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-  /// Move-construct a new datagram socket implementation.
-  void move_construct(implementation_type& impl,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_construct(impl, other_impl);
-  }
-
-  /// Move-assign from another datagram socket implementation.
-  void move_assign(implementation_type& impl,
-      datagram_socket_service& other_service,
-      implementation_type& other_impl)
-  {
-    service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
-  }
-
-  // All socket services have access to each other's implementations.
-  template <typename Protocol1> friend class datagram_socket_service;
-
-  /// Move-construct a new datagram socket implementation from another protocol
-  /// type.
-  template <typename Protocol1>
-  void converting_move_construct(implementation_type& impl,
-      datagram_socket_service<Protocol1>& other_service,
-      typename datagram_socket_service<
-        Protocol1>::implementation_type& other_impl,
-      typename enable_if<is_convertible<
-        Protocol1, Protocol>::value>::type* = 0)
-  {
-    service_impl_.template converting_move_construct<Protocol1>(
-        impl, other_service.service_impl_, other_impl);
-  }
-#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
-
-  /// Destroy a datagram socket implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  // Open a new datagram socket implementation.
-  ASIO_SYNC_OP_VOID open(implementation_type& impl,
-      const protocol_type& protocol, asio::error_code& ec)
-  {
-    if (protocol.type() == ASIO_OS_DEF(SOCK_DGRAM))
-      service_impl_.open(impl, protocol, ec);
-    else
-      ec = asio::error::invalid_argument;
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Assign an existing native socket to a datagram socket.
-  ASIO_SYNC_OP_VOID assign(implementation_type& impl,
-      const protocol_type& protocol, const native_handle_type& native_socket,
-      asio::error_code& ec)
-  {
-    service_impl_.assign(impl, protocol, native_socket, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the socket is open.
-  bool is_open(const implementation_type& impl) const
-  {
-    return service_impl_.is_open(impl);
-  }
-
-  /// Close a datagram socket implementation.
-  ASIO_SYNC_OP_VOID close(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.close(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Release ownership of the underlying socket.
-  native_handle_type release(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    return service_impl_.release(impl, ec);
-  }
-
-  /// Get the native socket implementation.
-  native_handle_type native_handle(implementation_type& impl)
-  {
-    return service_impl_.native_handle(impl);
-  }
-
-  /// Cancel all asynchronous operations associated with the socket.
-  ASIO_SYNC_OP_VOID cancel(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    service_impl_.cancel(impl, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Determine whether the socket is at the out-of-band data mark.
-  bool at_mark(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.at_mark(impl, ec);
-  }
-
-  /// Determine the number of bytes available for reading.
-  std::size_t available(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.available(impl, ec);
-  }
-
-  // Bind the datagram socket to the specified local endpoint.
-  ASIO_SYNC_OP_VOID bind(implementation_type& impl,
-      const endpoint_type& endpoint, asio::error_code& ec)
-  {
-    service_impl_.bind(impl, endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Connect the datagram socket to the specified endpoint.
-  ASIO_SYNC_OP_VOID connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint, asio::error_code& ec)
-  {
-    service_impl_.connect(impl, peer_endpoint, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Start an asynchronous connect.
-  template <typename ConnectHandler>
-  ASIO_INITFN_RESULT_TYPE(ConnectHandler,
-      void (asio::error_code))
-  async_connect(implementation_type& impl,
-      const endpoint_type& peer_endpoint,
-      ASIO_MOVE_ARG(ConnectHandler) handler)
-  {
-    async_completion<ConnectHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_connect(impl, peer_endpoint, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Set a socket option.
-  template <typename SettableSocketOption>
-  ASIO_SYNC_OP_VOID set_option(implementation_type& impl,
-      const SettableSocketOption& option, asio::error_code& ec)
-  {
-    service_impl_.set_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get a socket option.
-  template <typename GettableSocketOption>
-  ASIO_SYNC_OP_VOID get_option(const implementation_type& impl,
-      GettableSocketOption& option, asio::error_code& ec) const
-  {
-    service_impl_.get_option(impl, option, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Perform an IO control command on the socket.
-  template <typename IoControlCommand>
-  ASIO_SYNC_OP_VOID io_control(implementation_type& impl,
-      IoControlCommand& command, asio::error_code& ec)
-  {
-    service_impl_.io_control(impl, command, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the socket.
-  bool non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the socket.
-  ASIO_SYNC_OP_VOID non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Gets the non-blocking mode of the native socket implementation.
-  bool native_non_blocking(const implementation_type& impl) const
-  {
-    return service_impl_.native_non_blocking(impl);
-  }
-
-  /// Sets the non-blocking mode of the native socket implementation.
-  ASIO_SYNC_OP_VOID native_non_blocking(implementation_type& impl,
-      bool mode, asio::error_code& ec)
-  {
-    service_impl_.native_non_blocking(impl, mode, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Get the local endpoint.
-  endpoint_type local_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.local_endpoint(impl, ec);
-  }
-
-  /// Get the remote endpoint.
-  endpoint_type remote_endpoint(const implementation_type& impl,
-      asio::error_code& ec) const
-  {
-    return service_impl_.remote_endpoint(impl, ec);
-  }
-
-  /// Disable sends or receives on the socket.
-  ASIO_SYNC_OP_VOID shutdown(implementation_type& impl,
-      socket_base::shutdown_type what, asio::error_code& ec)
-  {
-    service_impl_.shutdown(impl, what, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Wait for the socket to become ready to read, ready to write, or to have
-  /// pending error conditions.
-  ASIO_SYNC_OP_VOID wait(implementation_type& impl,
-      socket_base::wait_type w, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, w, ec);
-    ASIO_SYNC_OP_VOID_RETURN(ec);
-  }
-
-  /// Asynchronously wait for the socket to become ready to read, ready to
-  /// write, or to have pending error conditions.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl, socket_base::wait_type w,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, w, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Send the given data to the peer.
-  template <typename ConstBufferSequence>
-  std::size_t send(implementation_type& impl,
-      const ConstBufferSequence& buffers,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.send(impl, buffers, flags, ec);
-  }
-
-  /// Start an asynchronous send.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_send(implementation_type& impl, const ConstBufferSequence& buffers,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_send(impl, buffers, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Send a datagram to the specified endpoint.
-  template <typename ConstBufferSequence>
-  std::size_t send_to(implementation_type& impl,
-      const ConstBufferSequence& buffers, const endpoint_type& destination,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.send_to(impl, buffers, destination, flags, ec);
-  }
-
-  /// Start an asynchronous send.
-  template <typename ConstBufferSequence, typename WriteHandler>
-  ASIO_INITFN_RESULT_TYPE(WriteHandler,
-      void (asio::error_code, std::size_t))
-  async_send_to(implementation_type& impl,
-      const ConstBufferSequence& buffers, const endpoint_type& destination,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(WriteHandler) handler)
-  {
-    async_completion<WriteHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_send_to(impl, buffers,
-        destination, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Receive some data from the peer.
-  template <typename MutableBufferSequence>
-  std::size_t receive(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.receive(impl, buffers, flags, ec);
-  }
-
-  /// Start an asynchronous receive.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_receive(implementation_type& impl,
-      const MutableBufferSequence& buffers,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_receive(impl, buffers, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-  /// Receive a datagram with the endpoint of the sender.
-  template <typename MutableBufferSequence>
-  std::size_t receive_from(implementation_type& impl,
-      const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags, asio::error_code& ec)
-  {
-    return service_impl_.receive_from(impl, buffers, sender_endpoint, flags,
-        ec);
-  }
-
-  /// Start an asynchronous receive that will get the endpoint of the sender.
-  template <typename MutableBufferSequence, typename ReadHandler>
-  ASIO_INITFN_RESULT_TYPE(ReadHandler,
-      void (asio::error_code, std::size_t))
-  async_receive_from(implementation_type& impl,
-      const MutableBufferSequence& buffers, endpoint_type& sender_endpoint,
-      socket_base::message_flags flags,
-      ASIO_MOVE_ARG(ReadHandler) handler)
-  {
-    async_completion<ReadHandler,
-      void (asio::error_code, std::size_t)> init(handler);
-
-    service_impl_.async_receive_from(impl, buffers,
-        sender_endpoint, flags, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_DATAGRAM_SOCKET_SERVICE_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/deadline_timer.hpp

@@ -2,7 +2,7 @@
 // deadline_timer.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/deadline_timer_service.hpp

@@ -1,173 +0,0 @@
-//
-// deadline_timer_service.hpp
-// ~~~~~~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_DEADLINE_TIMER_SERVICE_HPP
-#define ASIO_DEADLINE_TIMER_SERVICE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-
-#if defined(ASIO_HAS_BOOST_DATE_TIME) \
-  || defined(GENERATING_DOCUMENTATION)
-
-#include <cstddef>
-#include "asio/async_result.hpp"
-#include "asio/detail/deadline_timer_service.hpp"
-#include "asio/io_context.hpp"
-#include "asio/time_traits.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-
-/// Default service implementation for a timer.
-template <typename TimeType,
-    typename TimeTraits = asio::time_traits<TimeType> >
-class deadline_timer_service
-#if defined(GENERATING_DOCUMENTATION)
-  : public asio::io_context::service
-#else
-  : public asio::detail::service_base<
-      deadline_timer_service<TimeType, TimeTraits> >
-#endif
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
-  /// The unique service identifier.
-  static asio::io_context::id id;
-#endif
-
-  /// The time traits type.
-  typedef TimeTraits traits_type;
-
-  /// The time type.
-  typedef typename traits_type::time_type time_type;
-
-  /// The duration type.
-  typedef typename traits_type::duration_type duration_type;
-
-private:
-  // The type of the platform-specific implementation.
-  typedef detail::deadline_timer_service<traits_type> service_impl_type;
-
-public:
-  /// The implementation type of the deadline timer.
-#if defined(GENERATING_DOCUMENTATION)
-  typedef implementation_defined implementation_type;
-#else
-  typedef typename service_impl_type::implementation_type implementation_type;
-#endif
-
-  /// Construct a new timer service for the specified io_context.
-  explicit deadline_timer_service(asio::io_context& io_context)
-    : asio::detail::service_base<
-        deadline_timer_service<TimeType, TimeTraits> >(io_context),
-      service_impl_(io_context)
-  {
-  }
-
-  /// Construct a new timer implementation.
-  void construct(implementation_type& impl)
-  {
-    service_impl_.construct(impl);
-  }
-
-  /// Destroy a timer implementation.
-  void destroy(implementation_type& impl)
-  {
-    service_impl_.destroy(impl);
-  }
-
-  /// Cancel any asynchronous wait operations associated with the timer.
-  std::size_t cancel(implementation_type& impl, asio::error_code& ec)
-  {
-    return service_impl_.cancel(impl, ec);
-  }
-
-  /// Cancels one asynchronous wait operation associated with the timer.
-  std::size_t cancel_one(implementation_type& impl,
-      asio::error_code& ec)
-  {
-    return service_impl_.cancel_one(impl, ec);
-  }
-
-  /// Get the expiry time for the timer as an absolute time.
-  time_type expires_at(const implementation_type& impl) const
-  {
-    return service_impl_.expiry(impl);
-  }
-
-  /// Set the expiry time for the timer as an absolute time.
-  std::size_t expires_at(implementation_type& impl,
-      const time_type& expiry_time, asio::error_code& ec)
-  {
-    return service_impl_.expires_at(impl, expiry_time, ec);
-  }
-
-  /// Get the expiry time for the timer relative to now.
-  duration_type expires_from_now(const implementation_type& impl) const
-  {
-    return TimeTraits::subtract(service_impl_.expiry(impl), TimeTraits::now());
-  }
-
-  /// Set the expiry time for the timer relative to now.
-  std::size_t expires_from_now(implementation_type& impl,
-      const duration_type& expiry_time, asio::error_code& ec)
-  {
-    return service_impl_.expires_after(impl, expiry_time, ec);
-  }
-
-  // Perform a blocking wait on the timer.
-  void wait(implementation_type& impl, asio::error_code& ec)
-  {
-    service_impl_.wait(impl, ec);
-  }
-
-  // Start an asynchronous wait on the timer.
-  template <typename WaitHandler>
-  ASIO_INITFN_RESULT_TYPE(WaitHandler,
-      void (asio::error_code))
-  async_wait(implementation_type& impl,
-      ASIO_MOVE_ARG(WaitHandler) handler)
-  {
-    async_completion<WaitHandler,
-      void (asio::error_code)> init(handler);
-
-    service_impl_.async_wait(impl, init.completion_handler);
-
-    return init.result.get();
-  }
-
-private:
-  // Destroy all user-defined handler objects owned by the service.
-  void shutdown()
-  {
-    service_impl_.shutdown();
-  }
-
-  // The platform-specific implementation.
-  service_impl_type service_impl_;
-};
-
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
-       // || defined(GENERATING_DOCUMENTATION)
-
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
-#endif // ASIO_DEADLINE_TIMER_SERVICE_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/defer.hpp

@@ -2,7 +2,7 @@
 // defer.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -31,6 +31,11 @@ namespace asio {
  * executor. The function object is queued for execution, and is never called
  * from the current thread prior to returning from <tt>defer()</tt>.
  *
+ * The use of @c defer(), rather than @ref post(), indicates the caller's
+ * preference that the executor defer the queueing of the function object. This
+ * may allow the executor to optimise queueing for cases when the function
+ * object represents a continuation of the current call context.
+ *
  * This function has the following effects:
  *
  * @li Constructs a function object handler of type @c Handler, initialized
@@ -59,6 +64,11 @@ ASIO_INITFN_RESULT_TYPE(CompletionToken, void()) defer(
  * The function object is queued for execution, and is never called from the
  * current thread prior to returning from <tt>defer()</tt>.
  *
+ * The use of @c defer(), rather than @ref post(), indicates the caller's
+ * preference that the executor defer the queueing of the function object. This
+ * may allow the executor to optimise queueing for cases when the function
+ * object represents a continuation of the current call context.
+ *
  * This function has the following effects:
  *
  * @li Constructs a function object handler of type @c Handler, initialized

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detached.hpp

@@ -0,0 +1,62 @@
+//
+// detached.hpp
+// ~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETACHED_HPP
+#define ASIO_DETACHED_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <memory>
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+
+/// Class used to specify that an asynchronous operation is detached.
+/**
+
+ * The detached_t class is used to indicate that an asynchronous operation is
+ * detached. That is, there is no completion handler waiting for the
+ * operation's result. A detached_t object may be passed as a handler to an
+ * asynchronous operation, typically using the special value
+ * @c asio::detached. For example:
+
+ * @code my_socket.async_send(my_buffer, asio::detached);
+ * @endcode
+ */
+class detached_t
+{
+public:
+  /// Constructor. 
+  ASIO_CONSTEXPR detached_t()
+  {
+  }
+};
+
+/// A special value, similar to std::nothrow.
+/**
+ * See the documentation for asio::detached_t for a usage example.
+ */
+#if defined(ASIO_HAS_CONSTEXPR) || defined(GENERATING_DOCUMENTATION)
+constexpr detached_t detached;
+#elif defined(ASIO_MSVC)
+__declspec(selectany) detached_t detached;
+#endif
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/impl/detached.hpp"
+
+#endif // ASIO_DETACHED_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/array.hpp

@@ -2,7 +2,7 @@
 // detail/array.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/array_fwd.hpp

@@ -2,7 +2,7 @@
 // detail/array_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/assert.hpp

@@ -2,7 +2,7 @@
 // detail/assert.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/atomic_count.hpp

@@ -2,7 +2,7 @@
 // detail/atomic_count.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/base_from_completion_cond.hpp

@@ -2,7 +2,7 @@
 // detail/base_from_completion_cond.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,8 +27,9 @@ template <typename CompletionCondition>
 class base_from_completion_cond
 {
 protected:
-  explicit base_from_completion_cond(CompletionCondition completion_condition)
-    : completion_condition_(completion_condition)
+  explicit base_from_completion_cond(CompletionCondition& completion_condition)
+    : completion_condition_(
+        ASIO_MOVE_CAST(CompletionCondition)(completion_condition))
   {
   }
 

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/bind_handler.hpp

@@ -2,7 +2,7 @@
 // detail/bind_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffer_resize_guard.hpp

@@ -2,7 +2,7 @@
 // detail/buffer_resize_guard.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffer_sequence_adapter.hpp

@@ -2,7 +2,7 @@
 // detail/buffer_sequence_adapter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/buffered_stream_storage.hpp

@@ -2,7 +2,7 @@
 // detail/buffered_stream_storage.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/call_stack.hpp

@@ -2,7 +2,7 @@
 // detail/call_stack.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/chrono.hpp

@@ -2,7 +2,7 @@
 // detail/chrono.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/chrono_time_traits.hpp

@@ -2,7 +2,7 @@
 // detail/chrono_time_traits.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/completion_handler.hpp

@@ -2,7 +2,7 @@
 // detail/completion_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/concurrency_hint.hpp

@@ -2,7 +2,7 @@
 // detail/concurrency_hint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/conditionally_enabled_event.hpp

@@ -2,7 +2,7 @@
 // detail/conditionally_enabled_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/conditionally_enabled_mutex.hpp

@@ -2,7 +2,7 @@
 // detail/conditionally_enabled_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/config.hpp

@@ -2,7 +2,7 @@
 // detail/config.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -11,6 +11,20 @@
 #ifndef ASIO_DETAIL_CONFIG_HPP
 #define ASIO_DETAIL_CONFIG_HPP
 
+// boostify: non-boost code starts here
+#if !defined(ASIO_STANDALONE)
+# if !defined(ASIO_ENABLE_BOOST)
+#  if (__cplusplus >= 201103)
+#   define ASIO_STANDALONE 1
+#  elif defined(_MSC_VER) && defined(_MSVC_LANG)
+#   if (_MSC_VER >= 1900) && (_MSVC_LANG >= 201103)
+#    define ASIO_STANDALONE 1
+#   endif // (_MSC_VER >= 1900) && (_MSVC_LANG >= 201103)
+#  endif // defined(_MSC_VER) && defined(_MSVC_LANG)
+# endif // !defined(ASIO_ENABLE_BOOST)
+#endif // !defined(ASIO_STANDALONE)
+
+// boostify: non-boost code ends here
 #if defined(ASIO_STANDALONE)
 # define ASIO_DISABLE_BOOST_ARRAY 1
 # define ASIO_DISABLE_BOOST_ASSERT 1
@@ -69,7 +83,7 @@
       || (!defined(__MWERKS__) && !defined(__EDG_VERSION__)))
 #  define ASIO_MSVC _MSC_VER
 # endif // defined(ASIO_HAS_BOOST_CONFIG) && defined(BOOST_MSVC)
-#endif // defined(ASIO_MSVC)
+#endif // !defined(ASIO_MSVC)
 
 // Clang / libc++ detection.
 #if defined(__clang__)
@@ -108,15 +122,26 @@
 #    define ASIO_HAS_MOVE 1
 #   endif // (_MSC_VER >= 1700)
 #  endif // defined(ASIO_MSVC)
+#  if defined(__INTEL_CXX11_MODE__)
+#    if defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500)
+#      define BOOST_ASIO_HAS_MOVE 1
+#    endif // defined(__INTEL_COMPILER) && (__INTEL_COMPILER >= 1500)
+#    if defined(__ICL) && (__ICL >= 1500)
+#      define BOOST_ASIO_HAS_MOVE 1
+#    endif // defined(__ICL) && (__ICL >= 1500)
+#  endif // defined(__INTEL_CXX11_MODE__)
 # endif // !defined(ASIO_DISABLE_MOVE)
 #endif // !defined(ASIO_HAS_MOVE)
 
 // If ASIO_MOVE_CAST isn't defined, and move support is available, define
-// ASIO_MOVE_ARG and ASIO_MOVE_CAST to take advantage of rvalue
-// references and perfect forwarding.
+// * ASIO_MOVE_ARG,
+// * ASIO_NONDEDUCED_MOVE_ARG, and
+// * ASIO_MOVE_CAST
+// to take advantage of rvalue references and perfect forwarding.
 #if defined(ASIO_HAS_MOVE) && !defined(ASIO_MOVE_CAST)
 # define ASIO_MOVE_ARG(type) type&&
 # define ASIO_MOVE_ARG2(type1, type2) type1, type2&&
+# define ASIO_NONDEDUCED_MOVE_ARG(type) type&
 # define ASIO_MOVE_CAST(type) static_cast<type&&>
 # define ASIO_MOVE_CAST2(type1, type2) static_cast<type1, type2&&>
 #endif // defined(ASIO_HAS_MOVE) && !defined(ASIO_MOVE_CAST)
@@ -142,6 +167,7 @@
 # else
 #  define ASIO_MOVE_ARG(type) type
 # endif
+# define ASIO_NONDEDUCED_MOVE_ARG(type) const type&
 # define ASIO_MOVE_CAST(type) static_cast<const type&>
 # define ASIO_MOVE_CAST2(type1, type2) static_cast<const type1, type2&>
 #endif // !defined(ASIO_MOVE_CAST)
@@ -226,7 +252,7 @@
 // Support noexcept on compilers known to allow it.
 #if !defined(ASIO_NOEXCEPT)
 # if !defined(ASIO_DISABLE_NOEXCEPT)
-#  if (BOOST_VERSION >= 105300)
+#  if defined(ASIO_HAS_BOOST_CONFIG) && (BOOST_VERSION >= 105300)
 #   define ASIO_NOEXCEPT BOOST_NOEXCEPT
 #   define ASIO_NOEXCEPT_OR_NOTHROW BOOST_NOEXCEPT_OR_NOTHROW
 #  elif defined(__clang__)
@@ -272,9 +298,9 @@
 #   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 6)) || (__GNUC__ > 4)
 #  endif // defined(__GNUC__)
 #  if defined(ASIO_MSVC)
-#   if (_MSC_VER >= 1700)
+#   if (_MSC_VER >= 1800)
 #    define ASIO_HAS_DECLTYPE 1
-#   endif // (_MSC_VER >= 1700)
+#   endif // (_MSC_VER >= 1800)
 #  endif // defined(ASIO_MSVC)
 # endif // !defined(ASIO_DISABLE_DECLTYPE)
 #endif // !defined(ASIO_HAS_DECLTYPE)
@@ -440,7 +466,13 @@
 #    if __has_include(<atomic>)
 #     define ASIO_HAS_STD_ATOMIC 1
 #    endif // __has_include(<atomic>)
-#   endif // (__cplusplus >= 201103)
+#   elif defined(__apple_build_version__) && defined(_LIBCPP_VERSION)
+#    if (__clang_major__ >= 10)
+#     if __has_include(<atomic>)
+#      define ASIO_HAS_STD_ATOMIC 1
+#     endif // __has_include(<atomic>)
+#    endif // (__clang_major__ >= 10)
+#   endif /// defined(__apple_build_version__) && defined(_LIBCPP_VERSION)
 #  endif // defined(__clang__)
 #  if defined(__GNUC__)
 #   if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
@@ -770,32 +802,77 @@
 # endif // !defined(ASIO_DISABLE_STD_FUTURE)
 #endif // !defined(ASIO_HAS_STD_FUTURE)
 
-// Standard library support for experimental::string_view.
+// Standard library support for std::string_view.
 #if !defined(ASIO_HAS_STD_STRING_VIEW)
 # if !defined(ASIO_DISABLE_STD_STRING_VIEW)
 #  if defined(__clang__)
-#   if (__cplusplus >= 201402)
-#    if __has_include(<experimental/string_view>)
+#   if defined(ASIO_HAS_CLANG_LIBCXX)
+#    if (__cplusplus >= 201402)
+#     if __has_include(<string_view>)
+#      define ASIO_HAS_STD_STRING_VIEW 1
+#     endif // __has_include(<string_view>)
+#    endif // (__cplusplus >= 201402)
+#   else // defined(ASIO_HAS_CLANG_LIBCXX)
+#    if (__cplusplus >= 201703)
+#     if __has_include(<string_view>)
+#      define ASIO_HAS_STD_STRING_VIEW 1
+#     endif // __has_include(<string_view>)
+#    endif // (__cplusplus >= 201703)
+#   endif // defined(ASIO_HAS_CLANG_LIBCXX)
+#  elif defined(__GNUC__)
+#   if (__GNUC__ >= 7)
+#    if (__cplusplus >= 201703)
 #     define ASIO_HAS_STD_STRING_VIEW 1
-#     define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
-#    endif // __has_include(<experimental/string_view>)
-#   endif // (__cplusplus >= 201402)
+#    endif // (__cplusplus >= 201703)
+#   endif // (__GNUC__ >= 7)
+#  elif defined(ASIO_MSVC)
+#   if (_MSC_VER >= 1910 && _MSVC_LANG >= 201703)
+#    define ASIO_HAS_STD_STRING_VIEW 1
+#   endif // (_MSC_VER >= 1910 && _MSVC_LANG >= 201703)
+#  endif // defined(ASIO_MSVC)
+# endif // !defined(ASIO_DISABLE_STD_STRING_VIEW)
+#endif // !defined(ASIO_HAS_STD_STRING_VIEW)
+
+// Standard library support for std::experimental::string_view.
+#if !defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# if !defined(ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW)
+#  if defined(__clang__)
+#   if defined(ASIO_HAS_CLANG_LIBCXX)
+#    if (_LIBCPP_VERSION < 7000)
+#     if (__cplusplus >= 201402)
+#      if __has_include(<experimental/string_view>)
+#       define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
+#      endif // __has_include(<experimental/string_view>)
+#     endif // (__cplusplus >= 201402)
+#    endif // (_LIBCPP_VERSION < 7000)
+#   else // defined(ASIO_HAS_CLANG_LIBCXX)
+#    if (__cplusplus >= 201402)
+#     if __has_include(<experimental/string_view>)
+#      define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
+#     endif // __has_include(<experimental/string_view>)
+#    endif // (__cplusplus >= 201402)
+#   endif // // defined(ASIO_HAS_CLANG_LIBCXX)
 #  endif // defined(__clang__)
 #  if defined(__GNUC__)
 #   if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
 #    if (__cplusplus >= 201402)
-#     define ASIO_HAS_STD_STRING_VIEW 1
 #     define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
 #    endif // (__cplusplus >= 201402)
-#   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
+#   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
 #  endif // defined(__GNUC__)
-#  if defined(ASIO_MSVC)
-#   if (_MSC_VER >= 1910 && _HAS_CXX17)
-#    define ASIO_HAS_STD_STRING_VIEW
-#   endif // (_MSC_VER >= 1910)
-#  endif // defined(ASIO_MSVC)
-# endif // !defined(ASIO_DISABLE_STD_STRING_VIEW)
-#endif // !defined(ASIO_HAS_STD_STRING_VIEW)
+# endif // !defined(ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW)
+#endif // !defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+
+// Standard library has a string_view that we can use.
+#if !defined(ASIO_HAS_STRING_VIEW)
+# if !defined(ASIO_DISABLE_STRING_VIEW)
+#  if defined(ASIO_HAS_STD_STRING_VIEW)
+#   define ASIO_HAS_STRING_VIEW 1
+#  elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#   define ASIO_HAS_STRING_VIEW 1
+#  endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# endif // !defined(ASIO_DISABLE_STRING_VIEW)
+#endif // !defined(ASIO_HAS_STRING_VIEW)
 
 // Standard library support for iostream move construction and assignment.
 #if !defined(ASIO_HAS_STD_IOSTREAM_MOVE)
@@ -815,6 +892,17 @@
 # endif // !defined(ASIO_DISABLE_STD_IOSTREAM_MOVE)
 #endif // !defined(ASIO_HAS_STD_IOSTREAM_MOVE)
 
+// Standard library has invoke_result (which supersedes result_of).
+#if !defined(ASIO_HAS_STD_INVOKE_RESULT)
+# if !defined(ASIO_DISABLE_STD_INVOKE_RESULT)
+#  if defined(ASIO_MSVC)
+#   if (_MSC_VER >= 1911 && _MSVC_LANG >= 201703)
+#    define ASIO_HAS_STD_INVOKE_RESULT 1
+#   endif // (_MSC_VER >= 1911 && _MSVC_LANG >= 201703)
+#  endif // defined(ASIO_MSVC)
+# endif // !defined(ASIO_DISABLE_STD_INVOKE_RESULT)
+#endif // !defined(ASIO_HAS_STD_INVOKE_RESULT)
+
 // Windows App target. Windows but with a limited API.
 #if !defined(ASIO_WINDOWS_APP)
 # if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0603)
@@ -860,15 +948,15 @@
 #  if defined(_MSC_VER) || defined(__BORLANDC__)
 #   pragma message( \
   "Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately. For example:\n"\
-  "- add -D_WIN32_WINNT=0x0501 to the compiler command line; or\n"\
-  "- add _WIN32_WINNT=0x0501 to your project's Preprocessor Definitions.\n"\
-  "Assuming _WIN32_WINNT=0x0501 (i.e. Windows XP target).")
+  "- add -D_WIN32_WINNT=0x0601 to the compiler command line; or\n"\
+  "- add _WIN32_WINNT=0x0601 to your project's Preprocessor Definitions.\n"\
+  "Assuming _WIN32_WINNT=0x0601 (i.e. Windows 7 target).")
 #  else // defined(_MSC_VER) || defined(__BORLANDC__)
 #   warning Please define _WIN32_WINNT or _WIN32_WINDOWS appropriately.
-#   warning For example, add -D_WIN32_WINNT=0x0501 to the compiler command line.
-#   warning Assuming _WIN32_WINNT=0x0501 (i.e. Windows XP target).
+#   warning For example, add -D_WIN32_WINNT=0x0601 to the compiler command line.
+#   warning Assuming _WIN32_WINNT=0x0601 (i.e. Windows 7 target).
 #  endif // defined(_MSC_VER) || defined(__BORLANDC__)
-#  define _WIN32_WINNT 0x0501
+#  define _WIN32_WINNT 0x0601
 # endif // !defined(_WIN32_WINNT) && !defined(_WIN32_WINDOWS)
 # if defined(_MSC_VER)
 #  if defined(_WIN32) && !defined(WIN32)
@@ -939,7 +1027,8 @@
    || defined(__FreeBSD__) \
    || defined(__NetBSD__) \
    || defined(__OpenBSD__) \
-   || defined(__linux__)
+   || defined(__linux__) \
+   || defined(__HAIKU__)
 #   define ASIO_HAS_UNISTD_H 1
 #  endif
 # endif // !defined(ASIO_HAS_BOOST_CONFIG)
@@ -1303,33 +1392,6 @@
         //   || (defined(__MACH__) && defined(__APPLE__))
 #endif // !defined(ASIO_DISABLE_SSIZE_T)
 
-// Helper macros to manage the transition away from the old services-based API.
-#if defined(ASIO_ENABLE_OLD_SERVICES)
-# define ASIO_SVC_TPARAM , typename Service
-# define ASIO_SVC_TPARAM_DEF1(d1) , typename Service d1
-# define ASIO_SVC_TPARAM_DEF2(d1, d2) , typename Service d1, d2
-# define ASIO_SVC_TARG , Service
-# define ASIO_SVC_T Service
-# define ASIO_SVC_TPARAM1 , typename Service1
-# define ASIO_SVC_TPARAM1_DEF1(d1) , typename Service1 d1
-# define ASIO_SVC_TPARAM1_DEF2(d1, d2) , typename Service1 d1, d2
-# define ASIO_SVC_TARG1 , Service1
-# define ASIO_SVC_T1 Service1
-# define ASIO_SVC_ACCESS public
-#else // defined(ASIO_ENABLE_OLD_SERVICES)
-# define ASIO_SVC_TPARAM
-# define ASIO_SVC_TPARAM_DEF1(d1)
-# define ASIO_SVC_TPARAM_DEF2(d1, d2)
-# define ASIO_SVC_TARG
-// ASIO_SVC_T is defined at each point of use.
-# define ASIO_SVC_TPARAM1
-# define ASIO_SVC_TPARAM1_DEF1(d1)
-# define ASIO_SVC_TPARAM1_DEF2(d1, d2)
-# define ASIO_SVC_TARG1
-// ASIO_SVC_T1 is defined at each point of use.
-# define ASIO_SVC_ACCESS protected
-#endif // defined(ASIO_ENABLE_OLD_SERVICES)
-
 // Helper macros to manage transition away from error_code return values.
 #if defined(ASIO_NO_DEPRECATED)
 # define ASIO_SYNC_OP_VOID void
@@ -1369,4 +1431,24 @@
 # define ASIO_UNUSED_VARIABLE
 #endif // !defined(ASIO_UNUSED_VARIABLE)
 
+// Support co_await on compilers known to allow it.
+#if !defined(ASIO_HAS_CO_AWAIT)
+# if !defined(ASIO_DISABLE_CO_AWAIT)
+#  if defined(ASIO_MSVC)
+#   if (_MSC_FULL_VER >= 190023506)
+#    if defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
+#     define ASIO_HAS_CO_AWAIT 1
+#    endif // defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
+#   endif // (_MSC_FULL_VER >= 190023506)
+#  endif // defined(ASIO_MSVC)
+# endif // !defined(ASIO_DISABLE_CO_AWAIT)
+# if defined(__clang__)
+#  if (__cpp_coroutines >= 201703)
+#   if __has_include(<experimental/coroutine>)
+#    define ASIO_HAS_CO_AWAIT 1
+#   endif // __has_include(<experimental/coroutine>)
+#  endif // (__cpp_coroutines >= 201703)
+# endif // defined(__clang__)
+#endif // !defined(ASIO_HAS_CO_AWAIT)
+
 #endif // ASIO_DETAIL_CONFIG_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/consuming_buffers.hpp

@@ -2,7 +2,7 @@
 // detail/consuming_buffers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -101,7 +101,7 @@ public:
 
     std::advance(next, next_elem_);
     std::size_t elem_offset = next_elem_offset_;
-    while (next != end && max_size > 0 && result.count < result.max_buffers)
+    while (next != end && max_size > 0 && (result.count) < result.max_buffers)
     {
       Buffer next_buf = Buffer(*next) + elem_offset;
       result.elems[result.count] = asio::buffer(next_buf, max_size);
@@ -400,7 +400,7 @@ public:
     // No-op.
   }
 
-  std::size_t total_consume() const
+  std::size_t total_consumed() const
   {
     return 0;
   }

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/cstddef.hpp

@@ -2,7 +2,7 @@
 // detail/cstddef.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/cstdint.hpp

@@ -2,7 +2,7 @@
 // detail/cstdint.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/date_time_fwd.hpp

@@ -2,7 +2,7 @@
 // detail/date_time_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/deadline_timer_service.hpp

@@ -2,7 +2,7 @@
 // detail/deadline_timer_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,7 +18,7 @@
 #include "asio/detail/config.hpp"
 #include <cstddef>
 #include "asio/error.hpp"
-#include "asio/io_context.hpp"
+#include "asio/execution_context.hpp"
 #include "asio/detail/bind_handler.hpp"
 #include "asio/detail/fenced_block.hpp"
 #include "asio/detail/memory.hpp"
@@ -43,7 +43,7 @@ namespace detail {
 
 template <typename Time_Traits>
 class deadline_timer_service
-  : public service_base<deadline_timer_service<Time_Traits> >
+  : public execution_context_service_base<deadline_timer_service<Time_Traits> >
 {
 public:
   // The time type.
@@ -63,9 +63,10 @@ public:
   };
 
   // Constructor.
-  deadline_timer_service(asio::io_context& io_context)
-    : service_base<deadline_timer_service<Time_Traits> >(io_context),
-      scheduler_(asio::use_service<timer_scheduler>(io_context))
+  deadline_timer_service(execution_context& context)
+    : execution_context_service_base<
+        deadline_timer_service<Time_Traits> >(context),
+      scheduler_(asio::use_service<timer_scheduler>(context))
   {
     scheduler_.init_task();
     scheduler_.add_timer_queue(timer_queue_);
@@ -225,14 +226,15 @@ public:
   }
 
   // Start an asynchronous wait on the timer.
-  template <typename Handler>
-  void async_wait(implementation_type& impl, Handler& handler)
+  template <typename Handler, typename IoExecutor>
+  void async_wait(implementation_type& impl,
+      Handler& handler, const IoExecutor& io_ex)
   {
     // Allocate and construct an operation to wrap the handler.
-    typedef wait_handler<Handler> op;
+    typedef wait_handler<Handler, IoExecutor> op;
     typename op::ptr p = { asio::detail::addressof(handler),
       op::ptr::allocate(handler), 0 };
-    p.p = new (p.v) op(handler);
+    p.p = new (p.v) op(handler, io_ex);
 
     impl.might_have_pending_waits = true;
 

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/dependent_type.hpp

@@ -2,7 +2,7 @@
 // detail/dependent_type.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_ops.hpp

@@ -2,7 +2,7 @@
 // detail/descriptor_ops.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_read_op.hpp

@@ -2,7 +2,7 @@
 // detail/descriptor_read_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -66,20 +66,21 @@ private:
   MutableBufferSequence buffers_;
 };
 
-template <typename MutableBufferSequence, typename Handler>
+template <typename MutableBufferSequence, typename Handler, typename IoExecutor>
 class descriptor_read_op
   : public descriptor_read_op_base<MutableBufferSequence>
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(descriptor_read_op);
 
-  descriptor_read_op(int descriptor,
-      const MutableBufferSequence& buffers, Handler& handler)
+  descriptor_read_op(int descriptor, const MutableBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
     : descriptor_read_op_base<MutableBufferSequence>(
         descriptor, buffers, &descriptor_read_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -89,7 +90,7 @@ public:
     // Take ownership of the handler object.
     descriptor_read_op* o(static_cast<descriptor_read_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -116,6 +117,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/descriptor_write_op.hpp

@@ -2,7 +2,7 @@
 // detail/descriptor_write_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -66,20 +66,21 @@ private:
   ConstBufferSequence buffers_;
 };
 
-template <typename ConstBufferSequence, typename Handler>
+template <typename ConstBufferSequence, typename Handler, typename IoExecutor>
 class descriptor_write_op
   : public descriptor_write_op_base<ConstBufferSequence>
 {
 public:
   ASIO_DEFINE_HANDLER_PTR(descriptor_write_op);
 
-  descriptor_write_op(int descriptor,
-      const ConstBufferSequence& buffers, Handler& handler)
+  descriptor_write_op(int descriptor, const ConstBufferSequence& buffers,
+      Handler& handler, const IoExecutor& io_ex)
     : descriptor_write_op_base<ConstBufferSequence>(
         descriptor, buffers, &descriptor_write_op::do_complete),
-      handler_(ASIO_MOVE_CAST(Handler)(handler))
+      handler_(ASIO_MOVE_CAST(Handler)(handler)),
+      io_executor_(io_ex)
   {
-    handler_work<Handler>::start(handler_);
+    handler_work<Handler, IoExecutor>::start(handler_, io_executor_);
   }
 
   static void do_complete(void* owner, operation* base,
@@ -89,7 +90,7 @@ public:
     // Take ownership of the handler object.
     descriptor_write_op* o(static_cast<descriptor_write_op*>(base));
     ptr p = { asio::detail::addressof(o->handler_), o, o };
-    handler_work<Handler> w(o->handler_);
+    handler_work<Handler, IoExecutor> w(o->handler_, o->io_executor_);
 
     ASIO_HANDLER_COMPLETION((*o));
 
@@ -116,6 +117,7 @@ public:
 
 private:
   Handler handler_;
+  IoExecutor io_executor_;
 };
 
 } // namespace detail

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/dev_poll_reactor.hpp

@@ -2,7 +2,7 @@
 // detail/dev_poll_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/epoll_reactor.hpp

@@ -2,7 +2,7 @@
 // detail/epoll_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,6 +32,10 @@
 #include "asio/detail/wait_op.hpp"
 #include "asio/execution_context.hpp"
 
+#if defined(ASIO_HAS_TIMERFD)
+# include <sys/timerfd.h>
+#endif // defined(ASIO_HAS_TIMERFD)
+
 #include "asio/detail/push_options.hpp"
 
 namespace asio {

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/event.hpp

@@ -2,7 +2,7 @@
 // detail/event.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/eventfd_select_interrupter.hpp

@@ -2,7 +2,7 @@
 // detail/eventfd_select_interrupter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Roelof Naude (roelof.naude at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/executor_function.hpp

@@ -0,0 +1,104 @@
+//
+// detail/executor_function.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_EXECUTOR_FUNCTION_HPP
+#define ASIO_DETAIL_EXECUTOR_FUNCTION_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace detail {
+
+class executor_function_base
+{
+public:
+  void complete()
+  {
+    func_(this, true);
+  }
+
+  void destroy()
+  {
+    func_(this, false);
+  }
+
+protected:
+  typedef void (*func_type)(executor_function_base*, bool);
+
+  executor_function_base(func_type func)
+    : func_(func)
+  {
+  }
+
+  // Prevents deletion through this type.
+  ~executor_function_base()
+  {
+  }
+
+private:
+  func_type func_;
+};
+
+template <typename Function, typename Alloc>
+class executor_function : public executor_function_base
+{
+public:
+  ASIO_DEFINE_TAGGED_HANDLER_ALLOCATOR_PTR(
+      thread_info_base::executor_function_tag, executor_function);
+
+  template <typename F>
+  executor_function(ASIO_MOVE_ARG(F) f, const Alloc& allocator)
+    : executor_function_base(&executor_function::do_complete),
+      function_(ASIO_MOVE_CAST(F)(f)),
+      allocator_(allocator)
+  {
+  }
+
+  static void do_complete(executor_function_base* base, bool call)
+  {
+    // Take ownership of the function object.
+    executor_function* o(static_cast<executor_function*>(base));
+    Alloc allocator(o->allocator_);
+    ptr p = { detail::addressof(allocator), o, o };
+
+    // Make a copy of the function so that the memory can be deallocated before
+    // the upcall is made. Even if we're not about to make an upcall, a
+    // sub-object of the function may be the true owner of the memory
+    // associated with the function. Consequently, a local copy of the function
+    // is required to ensure that any owning sub-object remains valid until
+    // after we have deallocated the memory here.
+    Function function(ASIO_MOVE_CAST(Function)(o->function_));
+    p.reset();
+
+    // Make the upcall if required.
+    if (call)
+    {
+      function();
+    }
+  }
+
+private:
+  Function function_;
+  Alloc allocator_;
+};
+
+} // namespace detail
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_DETAIL_EXECUTOR_FUNCTION_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/executor_op.hpp

@@ -2,7 +2,7 @@
 // detail/executor_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/fd_set_adapter.hpp

@@ -2,7 +2,7 @@
 // detail/fd_set_adapter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/fenced_block.hpp

@@ -2,7 +2,7 @@
 // detail/fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/functional.hpp

@@ -2,7 +2,7 @@
 // detail/functional.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/future.hpp

@@ -0,0 +1,33 @@
+//
+// detail/future.hpp
+// ~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_DETAIL_FUTURE_HPP
+#define ASIO_DETAIL_FUTURE_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#if defined(ASIO_HAS_STD_FUTURE)
+# include <future>
+// Even though the future header is available, libstdc++ may not implement the
+// std::future class itself. However, we need to have already included the
+// future header to reliably test for _GLIBCXX_HAS_GTHREADS.
+# if defined(__GNUC__) && !defined(ASIO_HAS_CLANG_LIBCXX)
+#  if defined(_GLIBCXX_HAS_GTHREADS)
+#   define ASIO_HAS_STD_FUTURE_CLASS 1
+#  endif // defined(_GLIBCXX_HAS_GTHREADS)
+# else // defined(__GNUC__) && !defined(ASIO_HAS_CLANG_LIBCXX)
+#  define ASIO_HAS_STD_FUTURE_CLASS 1
+# endif // defined(__GNUC__) && !defined(ASIO_HAS_CLANG_LIBCXX)
+#endif // defined(ASIO_HAS_STD_FUTURE)
+
+#endif // ASIO_DETAIL_FUTURE_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_arm_fenced_block.hpp

@@ -2,7 +2,7 @@
 // detail/gcc_arm_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_hppa_fenced_block.hpp

@@ -2,7 +2,7 @@
 // detail/gcc_hppa_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_sync_fenced_block.hpp

@@ -2,7 +2,7 @@
 // detail/gcc_sync_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/gcc_x86_fenced_block.hpp

@@ -2,7 +2,7 @@
 // detail/gcc_x86_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/global.hpp

@@ -2,7 +2,7 @@
 // detail/global.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_alloc_helpers.hpp

@@ -2,7 +2,7 @@
 // detail/handler_alloc_helpers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -192,7 +192,7 @@ struct get_hook_allocator<Handler, std::allocator<T> >
   } \
   /**/
 
-#define ASIO_DEFINE_HANDLER_ALLOCATOR_PTR(op) \
+#define ASIO_DEFINE_TAGGED_HANDLER_ALLOCATOR_PTR(purpose, op) \
   struct ptr \
   { \
     const Alloc* a; \
@@ -205,9 +205,10 @@ struct get_hook_allocator<Handler, std::allocator<T> >
     static op* allocate(const Alloc& a) \
     { \
       typedef typename ::asio::detail::get_recycling_allocator< \
-        Alloc>::type recycling_allocator_type; \
+        Alloc, purpose>::type recycling_allocator_type; \
       ASIO_REBIND_ALLOC(recycling_allocator_type, op) a1( \
-            ::asio::detail::get_recycling_allocator<Alloc>::get(a)); \
+            ::asio::detail::get_recycling_allocator< \
+              Alloc, purpose>::get(a)); \
       return a1.allocate(1); \
     } \
     void reset() \
@@ -220,9 +221,10 @@ struct get_hook_allocator<Handler, std::allocator<T> >
       if (v) \
       { \
         typedef typename ::asio::detail::get_recycling_allocator< \
-          Alloc>::type recycling_allocator_type; \
+          Alloc, purpose>::type recycling_allocator_type; \
         ASIO_REBIND_ALLOC(recycling_allocator_type, op) a1( \
-              ::asio::detail::get_recycling_allocator<Alloc>::get(*a)); \
+              ::asio::detail::get_recycling_allocator< \
+                Alloc, purpose>::get(*a)); \
         a1.deallocate(static_cast<op*>(v), 1); \
         v = 0; \
       } \
@@ -230,6 +232,11 @@ struct get_hook_allocator<Handler, std::allocator<T> >
   } \
   /**/
 
+#define ASIO_DEFINE_HANDLER_ALLOCATOR_PTR(op) \
+  ASIO_DEFINE_TAGGED_HANDLER_ALLOCATOR_PTR( \
+      ::asio::detail::thread_info_base::default_tag, op ) \
+  /**/
+
 #include "asio/detail/pop_options.hpp"
 
 #endif // ASIO_DETAIL_HANDLER_ALLOC_HELPERS_HPP

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_cont_helpers.hpp

@@ -2,7 +2,7 @@
 // detail/handler_cont_helpers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_invoke_helpers.hpp

@@ -2,7 +2,7 @@
 // detail/handler_invoke_helpers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_tracking.hpp

@@ -2,7 +2,7 @@
 // detail/handler_tracking.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_type_requirements.hpp

@@ -2,7 +2,7 @@
 // detail/handler_type_requirements.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -127,7 +127,7 @@ struct handler_type_requirements
 {
 };
 
-#define ASIO_COMPLETION_HANDLER_CHECK( \
+#define ASIO_LEGACY_COMPLETION_HANDLER_CHECK( \
     handler_type, handler) \
   \
   typedef ASIO_HANDLER_TYPE(handler_type, \
@@ -492,7 +492,7 @@ struct handler_type_requirements
 
 #else // !defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS)
 
-#define ASIO_COMPLETION_HANDLER_CHECK( \
+#define ASIO_LEGACY_COMPLETION_HANDLER_CHECK( \
     handler_type, handler) \
   typedef int ASIO_UNUSED_TYPEDEF
 

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/handler_work.hpp

@@ -2,7 +2,7 @@
 // detail/handler_work.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -27,24 +27,41 @@ namespace detail {
 // A helper class template to allow completion handlers to be dispatched
 // through either the new executors framework or the old invocaton hook. The
 // primary template uses the new executors framework.
-template <typename Handler, typename Executor
-    = typename associated_executor<Handler>::type>
+template <typename Handler,
+    typename IoExecutor = system_executor, typename HandlerExecutor
+      = typename associated_executor<Handler, IoExecutor>::type>
 class handler_work
 {
 public:
   explicit handler_work(Handler& handler) ASIO_NOEXCEPT
-    : executor_(associated_executor<Handler>::get(handler))
+    : io_executor_(),
+      executor_(asio::get_associated_executor(handler, io_executor_))
+  {
+  }
+
+  handler_work(Handler& handler, const IoExecutor& io_ex) ASIO_NOEXCEPT
+    : io_executor_(io_ex),
+      executor_(asio::get_associated_executor(handler, io_executor_))
   {
   }
 
   static void start(Handler& handler) ASIO_NOEXCEPT
   {
-    Executor ex(associated_executor<Handler>::get(handler));
+    HandlerExecutor ex(asio::get_associated_executor(handler));
     ex.on_work_started();
   }
 
+  static void start(Handler& handler,
+      const IoExecutor& io_ex) ASIO_NOEXCEPT
+  {
+    HandlerExecutor ex(asio::get_associated_executor(handler, io_ex));
+    ex.on_work_started();
+    io_ex.on_work_started();
+  }
+
   ~handler_work()
   {
+    io_executor_.on_work_finished();
     executor_.on_work_finished();
   }
 
@@ -52,7 +69,7 @@ public:
   void complete(Function& function, Handler& handler)
   {
     executor_.dispatch(ASIO_MOVE_CAST(Function)(function),
-        associated_allocator<Handler>::get(handler));
+        asio::get_associated_allocator(handler));
   }
 
 private:
@@ -60,7 +77,8 @@ private:
   handler_work(const handler_work&);
   handler_work& operator=(const handler_work&);
 
-  typename associated_executor<Handler>::type executor_;
+  IoExecutor io_executor_;
+  HandlerExecutor executor_;
 };
 
 // This specialisation dispatches a handler through the old invocation hook.
@@ -68,7 +86,7 @@ private:
 // system_executor will dispatch through the hook anyway. However, by doing
 // this we avoid an extra copy of the handler.
 template <typename Handler>
-class handler_work<Handler, system_executor>
+class handler_work<Handler, system_executor, system_executor>
 {
 public:
   explicit handler_work(Handler&) ASIO_NOEXCEPT {}

Sources/OpenVPNAdapter/Libraries/Vendors/asio/asio/include/asio/detail/hash_map.hpp

@@ -2,7 +2,7 @@
 // detail/hash_map.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)