Added disconnect bool to TunBuilderBase::tun_builder_teardown:

+    // Indicates that tunnel is being torn down.
+    // If disconnect == true, then the teardown is occurring
+    // prior to final disconnect.
+    virtual void tun_builder_teardown(bool disconnect) {}

javacli/OpenVPNClientThread.java

@@ -66,7 +66,7 @@ public class OpenVPNClientThread extends ClientAPI_OpenVPNClient implements Runn
 	boolean tun_builder_set_mtu(int mtu);
 	boolean tun_builder_set_session_name(String name);
 	int tun_builder_establish();
-	void tun_builder_teardown();
+	void tun_builder_teardown(boolean disconnect);
     }
 
     public OpenVPNClientThread() {
@@ -337,9 +337,9 @@ public class OpenVPNClientThread extends ClientAPI_OpenVPNClient implements Runn
     }
 
     @Override
-    public void tun_builder_teardown() {
+    public void tun_builder_teardown(boolean disconnect) {
 	TunBuilder tb = tun_builder;
 	if (tb != null)
-	    tb.tun_builder_teardown();
+	    tb.tun_builder_teardown(disconnect);
     }
 }

openvpn/client/cliconnect.hpp

@@ -129,7 +129,10 @@ namespace openvpn {
 	  if (pre_resolve)
 	    pre_resolve->cancel();
 	  if (client)
-	    client->stop(false);
+	    {
+	      client->tun_set_disconnect();
+	      client->stop(false);
+	    }
 	  cancel_timers();
 	  asio_work.reset();
 

openvpn/client/cliproto.hpp

@@ -185,6 +185,12 @@ namespace openvpn {
 	  Base::send_explicit_exit_notify();
       }
 
+      void tun_set_disconnect()
+      {
+	if (tun)
+	  tun->set_disconnect();
+      }
+
       void stop(const bool call_terminate_callback)
       {
 	if (!halt)
@@ -193,12 +199,12 @@ namespace openvpn {
 	    housekeeping_timer.cancel();
 	    push_request_timer.cancel();
 	    inactive_timer.cancel();
-	    if (tun)
-	      tun->stop();
-	    if (transport)
-	      transport->stop();
 	    if (notify_callback && call_terminate_callback)
 	      notify_callback->client_proto_terminate();
+	    if (tun)
+	      tun->stop(); // call after client_proto_terminate() so it can call back to tun_set_disconnect
+	    if (transport)
+	      transport->stop();
 	  }
       }
 

openvpn/tun/builder/base.hpp

@@ -191,8 +191,10 @@ namespace openvpn {
     {
     }
 
-    // Called just before tunnel socket is closed
-    virtual void tun_builder_teardown() {}
+    // Indicates that tunnel is being torn down.
+    // If disconnect == true, then the teardown is occurring
+    // prior to final disconnect.
+    virtual void tun_builder_teardown(bool disconnect) {}
 
     virtual ~TunBuilderBase() {}
   };

openvpn/tun/builder/client.hpp

@@ -224,6 +224,12 @@ namespace openvpn {
 	  return "";
       }
 
+      virtual void set_disconnect()
+      {
+	if (tun_persist)
+	  tun_persist->set_disconnect();
+      }
+
       virtual void stop() { stop_(); }
       virtual ~Client() { stop_(); }
 

openvpn/tun/client/tunbase.hpp

@@ -42,6 +42,7 @@ namespace openvpn {
 
     virtual void client_start(const OptionList&, TransportClient&) = 0;
     virtual void stop() = 0;
+    virtual void set_disconnect() = 0;
     virtual bool tun_send(BufferAllocated& buf) = 0; // return true if send succeeded
     virtual std::string tun_name() const = 0;
     virtual std::string vpn_ip4() const = 0;

openvpn/tun/mac/client/tuncli.hpp

@@ -643,6 +643,10 @@ namespace openvpn {
 	  return "";
       }
 
+      virtual void set_disconnect()
+      {
+      }
+
       virtual void stop() { stop_(); }
       virtual ~Client() { stop_(); }
 

openvpn/tun/persist/tunpersist.hpp

@@ -40,7 +40,8 @@ namespace openvpn {
       : TunWrapTemplate<SCOPED_OBJ>(retain_obj),
 	enable_persistence_(enable_persistence),
 	tb_(tb),
-	use_persisted_tun_(false)
+	use_persisted_tun_(false),
+	disconnect(false)
     {
     }
 
@@ -61,6 +62,11 @@ namespace openvpn {
       TunWrapTemplate<SCOPED_OBJ>::close();
     }
 
+    void set_disconnect()
+    {
+      disconnect = true;
+    }
+
     // Current persisted options
     const std::string& options()
     {
@@ -131,7 +137,7 @@ namespace openvpn {
     void close_local()
     {
       if (tb_)
-	tb_->tun_builder_teardown();
+	tb_->tun_builder_teardown(disconnect);
       state_.reset();
       options_ = "";
     }
@@ -143,6 +149,8 @@ namespace openvpn {
 
     TunBuilderCapture::Ptr copt_;
     bool use_persisted_tun_;
+
+    bool disconnect;
   };
 
 }

openvpn/tun/win/client/tuncli.hpp

@@ -253,6 +253,10 @@ namespace openvpn {
 	  return "";
       }
 
+      virtual void set_disconnect()
+      {
+      }
+
       virtual void stop() { stop_(); }
       virtual ~Client() { stop_(); }