fixed crash on termination

NTCPSession.cpp

@@ -35,6 +35,9 @@ namespace ntcp
 		delete m_DHKeysPair;
 		if (m_NextMessage)	
 			i2p::DeleteI2NPMessage (m_NextMessage);
+		for (auto it :m_DelayedMessages)
+			i2p::DeleteI2NPMessage (it);
+		m_DelayedMessages.clear ();	
 	}
 
 	void NTCPSession::CreateAESKey (uint8_t * pubKey, uint8_t * aesKey)
@@ -144,6 +147,7 @@ namespace ntcp
 		if (ecode)
         {
 			LogPrint ("Couldn't send Phase 1 message: ", ecode.message ());
+			if (ecode != boost::asio::error::operation_aborted)
 				Terminate ();
 		}
 		else
@@ -160,6 +164,7 @@ namespace ntcp
 		if (ecode)
         {
 			LogPrint ("Phase 1 read error: ", ecode.message ());
+			if (ecode != boost::asio::error::operation_aborted)
 				Terminate ();
 		}
 		else
@@ -215,6 +220,7 @@ namespace ntcp
 		if (ecode)
         {
 			LogPrint ("Couldn't send Phase 2 message: ", ecode.message ());
+			if (ecode != boost::asio::error::operation_aborted)
 				Terminate ();
 		}
 		else
@@ -231,11 +237,14 @@ namespace ntcp
 		if (ecode)
         {
 			LogPrint ("Phase 2 read error: ", ecode.message (), ". Wrong ident assumed");
+			if (ecode != boost::asio::error::operation_aborted)
+			{
 				GetRemoteRouterInfo ().SetUnreachable (true); // this RouterInfo is not valid
 				i2p::transports.ReuseDHKeysPair (m_DHKeysPair);
 				m_DHKeysPair = nullptr;
 				Terminate ();
 			}
+		}
 		else
 		{	
 			LogPrint ("Phase 2 received: ", bytes_transferred);
@@ -291,6 +300,7 @@ namespace ntcp
 		if (ecode)
         {
 			LogPrint ("Couldn't send Phase 3 message: ", ecode.message ());
+			if (ecode != boost::asio::error::operation_aborted)
 				Terminate ();
 		}
 		else
@@ -307,6 +317,7 @@ namespace ntcp
 		if (ecode)
         {
 			LogPrint ("Phase 3 read error: ", ecode.message ());
+			if (ecode != boost::asio::error::operation_aborted)
 				Terminate ();
 		}
 		else
@@ -356,6 +367,7 @@ namespace ntcp
 		if (ecode)
         {
 			LogPrint ("Couldn't send Phase 4 message: ", ecode.message ());
+			if (ecode != boost::asio::error::operation_aborted)
 				Terminate ();
 		}
 		else
@@ -373,9 +385,12 @@ namespace ntcp
 		if (ecode)
         {
 			LogPrint ("Phase 4 read error: ", ecode.message ());
+			if (ecode != boost::asio::error::operation_aborted)
+			{
 				GetRemoteRouterInfo ().SetUnreachable (true); // this router doesn't like us
 				Terminate ();
 			}	
+		}
 		else
 		{	
 			LogPrint ("Phase 4 received: ", bytes_transferred);
@@ -418,6 +433,7 @@ namespace ntcp
 		if (ecode)
         {
 			LogPrint ("Read error: ", ecode.message ());
+			if (ecode != boost::asio::error::operation_aborted)
 				Terminate ();
 		}
 		else
@@ -604,9 +620,12 @@ namespace ntcp
 		if (ecode)
         {
 			LogPrint ("Connect error: ", ecode.message ());
+			if (ecode != boost::asio::error::operation_aborted)
+			{
 				GetRemoteRouterInfo ().SetUnreachable (true);
 				Terminate ();
 			}
+		}
 		else
 		{
 			LogPrint ("Connected");

Transports.cpp

@@ -135,6 +135,7 @@ namespace i2p
 		{
 			m_SSUServer->Stop ();
 			delete m_SSUServer;
+			m_SSUServer = nullptr;
 		}	
 		
 		for (auto session: m_NTCPSessions)
@@ -149,7 +150,7 @@ namespace i2p
 		{	
 			m_Thread->join (); 
 			delete m_Thread;
-			m_Thread = 0;
+			m_Thread = nullptr;
 		}	
 	}	
 
@@ -188,14 +189,15 @@ namespace i2p
 			conn->ServerLogin ();
 		}
 		else
-		{
 			delete conn;
-		}
 
+		if (error != boost::asio::error::operation_aborted)
+		{
     		conn = new i2p::ntcp::NTCPServerConnection (m_Service);
 			m_NTCPAcceptor->async_accept(conn->GetSocket (), boost::bind (&Transports::HandleAccept, this, 
 				conn, boost::asio::placeholders::error));
 		}	
+	}
 
 	i2p::ntcp::NTCPSession * Transports::GetNextNTCPSession ()
 	{