mirror of
https://github.com/deneraraujo/OpenVPNAdapter.git
synced 2026-02-11 00:00:08 +08:00
95 lines
2.2 KiB
C++
95 lines
2.2 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2017 OpenVPN Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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#ifndef OPENVPN_BUFFER_BUFCOMPOSED_H
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#define OPENVPN_BUFFER_BUFCOMPOSED_H
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#include <openvpn/common/exception.hpp>
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#include <openvpn/buffer/bufcomplete.hpp>
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#include <openvpn/buffer/buflist.hpp>
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namespace openvpn {
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class BufferComposed
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{
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public:
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class Complete : public BufferComplete
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{
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public:
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BufferPtr get()
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{
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#if 0 // don't include for production
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if (iter_defined())
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throw Exception("BufferComposed::Complete: residual data");
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#endif
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BufferPtr ret = bc.bv.join();
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bc.bv.clear();
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return ret;
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}
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private:
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friend class BufferComposed;
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Complete(BufferComposed& bc_arg)
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: bc(bc_arg),
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iter(bc.bv.cbegin())
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{
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next_buffer();
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}
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bool iter_defined()
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{
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return iter != bc.bv.end();
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}
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virtual void next_buffer() override
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{
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if (iter_defined())
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reset_buf(**iter++);
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else
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reset_buf();
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}
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BufferComposed& bc;
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BufferVector::const_iterator iter;
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};
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size_t size() const
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{
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return bv.join_size();
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}
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void put(BufferPtr bp)
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{
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bv.push_back(std::move(bp));
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}
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Complete complete()
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{
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return Complete(*this);
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}
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private:
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BufferVector bv;
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};
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}
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#endif
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