Return transport stats and interface stats

OpenVPN Adapter/OpenVPNAdapter+Public.h

@@ -13,6 +13,8 @@
 @class OpenVPNProperties;
 @class OpenVPNCredentials;
 @class OpenVPNConnectionInfo;
+@class OpenVPNTransportStats;
+@class OpenVPNInterfaceStats;
 @class NEPacketTunnelNetworkSettings;
 
 // TODO: Add documentation to properties and methods
@@ -102,10 +104,20 @@ NS_SWIFT_NAME(handle(logMessage:));
 
 /**
  Return information about the most recent connection. Will be available
- after an event of type "CONNECTED, otherwise return nil
+ after an event of type "CONNECTED, otherwise return nil.
  */
 @property (nullable, readonly, nonatomic) OpenVPNConnectionInfo *connectionInfo;
 
+/**
+ Return transport stats
+ */
+@property (nonnull, readonly, nonatomic) OpenVPNTransportStats *transportStats;
+
+/**
+ Return tun stats
+ */
+@property (nonnull, readonly, nonatomic) OpenVPNInterfaceStats *interfaceStats;
+
 /**
  <#Description#>
 

OpenVPN Adapter/OpenVPNAdapter.mm

@@ -14,13 +14,15 @@
 
 #import <NetworkExtension/NetworkExtension.h>
 
+#import "OpenVPNClient.h"
 #import "OpenVPNError.h"
 #import "OpenVPNEvent.h"
 #import "OpenVPNConfiguration+Internal.h"
 #import "OpenVPNCredentials+Internal.h"
 #import "OpenVPNProperties+Internal.h"
 #import "OpenVPNConnectionInfo+Internal.h"
-#import "OpenVPNClient.h"
+#import "OpenVPNTransportStats+Internal.h"
+#import "OpenVPNInterfaceStats+Internal.h"
 #import "OpenVPNAdapter.h"
 #import "OpenVPNAdapter+Internal.h"
 #import "OpenVPNAdapter+Public.h"
@@ -139,6 +141,16 @@ NSString * const OpenVPNAdapterErrorEventKey = @"me.ss-abramchuk.openvpn-adapter
     return info.defined ? [[OpenVPNConnectionInfo alloc] initWithConnectionInfo:info] : nil;
 }
 
+- (OpenVPNTransportStats *)transportStats {
+    ClientAPI::TransportStats stats = self.vpnClient->transport_stats();
+    return [[OpenVPNTransportStats alloc] initWithTransportStats:stats];
+}
+
+- (OpenVPNInterfaceStats *)interfaceStats {
+    ClientAPI::InterfaceStats stats = self.vpnClient->tun_stats();
+    return [[OpenVPNInterfaceStats alloc] initWithInterfaceStats:stats];
+}
+
 #pragma mark Client Configuration
 
 - (OpenVPNProperties *)applyConfiguration:(nonnull OpenVPNConfiguration *)configuration error:(out NSError * __nullable * __nullable)error {