Merge remote-tracking branch 'purple/openssl'

HTTPServer.cpp

@@ -174,7 +174,7 @@ namespace http {
 		s << "<b>Uptime:</b> ";
 		ShowUptime(s, i2p::context.GetUptime ());
 		s << "<br>\r\n";
-		s << "<b>Status:</b> ";
+		s << "<b>Network status:</b> ";
 		switch (i2p::context.GetStatus ())
 		{
 			case eRouterStatusOK: s << "OK"; break;
@@ -183,6 +183,13 @@ namespace http {
 			default: s << "Unknown";
 		} 
 		s << "<br>\r\n";
+#if (!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID))
+		if (auto remains = Daemon.gracefullShutdownInterval) {
+			s << "<b>Stopping in:</b> ";
+			s << remains << " seconds";
+			s << "<br>\r\n";
+		}
+#endif
 		auto family = i2p::context.GetFamily ();
 		if (family.length () > 0)
 			s << "<b>Family:</b> " << family << "<br>\r\n";
@@ -415,15 +422,9 @@ namespace http {
 			s << "  <a href=\"/?cmd=" << HTTP_COMMAND_ENABLE_TRANSIT << "\">Accept transit tunnels</a><br>\r\n";
 #if (!defined(WIN32) && !defined(QT_GUI_LIB) && !defined(ANDROID))
 		if (Daemon.gracefullShutdownInterval) 
-		{
-			s << "  <a href=\"/?cmd=" << HTTP_COMMAND_SHUTDOWN_CANCEL << "\">Cancel gracefull shutdown (";
-			s << Daemon.gracefullShutdownInterval;
-			s << " seconds remains)</a><br>\r\n";
-		} 
+			s << "  <a href=\"/?cmd=" << HTTP_COMMAND_SHUTDOWN_CANCEL << "\">Cancel gracefull shutdown</a></br>";
 		else 
-		{
 			s << "  <a href=\"/?cmd=" << HTTP_COMMAND_SHUTDOWN_START << "\">Start gracefull shutdown</a><br>\r\n";
-		}
 #endif
 #ifdef WIN32_APP
 		s << "  <a href=\"/?cmd=" << HTTP_COMMAND_SHUTDOWN_START << "\">Gracefull shutdown</a><br>\r\n";

Makefile.linux

@@ -28,15 +28,13 @@ endif
 NEEDED_CXXFLAGS += -fPIC
 
 ifeq ($(USE_STATIC),yes)
+# NOTE: on glibc you will get this warning:
+#   Using 'getaddrinfo' in statically linked applications requires at runtime
+#   the shared libraries from the glibc version used for linking
   LIBDIR := /usr/lib
-  LDLIBS  = $(LIBDIR)/libboost_system.a
-  LDLIBS += $(LIBDIR)/libboost_date_time.a
-  LDLIBS += $(LIBDIR)/libboost_filesystem.a
-  LDLIBS += $(LIBDIR)/libboost_program_options.a
-  LDLIBS += $(LIBDIR)/libssl.a
-  LDLIBS += $(LIBDIR)/libcrypto.a
-  LDLIBS += $(LIBDIR)/libz.a
-  LDLIBS += -lpthread -static-libstdc++ -static-libgcc -lrt
+  LDLIBS  = -lboost_system -lboost_date_time -lboost_filesystem -lboost_program_options
+  LDLIBS += -lssl -lcrypto -lz -ldl -lpthread -lrt
+  LDLIBS += -static-libstdc++ -static-libgcc -static
   USE_AESNI := no
 else
   LDLIBS = -lcrypto -lssl -lz -lboost_system -lboost_date_time -lboost_filesystem -lboost_program_options -lpthread

NTCPSession.cpp

@@ -21,7 +21,7 @@ namespace transport
 	NTCPSession::NTCPSession (NTCPServer& server, std::shared_ptr<const i2p::data::RouterInfo> in_RemoteRouter): 
 		TransportSession (in_RemoteRouter, NTCP_TERMINATION_TIMEOUT),	
 		m_Server (server), m_Socket (m_Server.GetService ()), 
-		m_TerminationTimer (m_Server.GetService ()), m_IsEstablished (false), m_IsTerminated (false),
+		m_IsEstablished (false), m_IsTerminated (false),
 		m_ReceiveBufferOffset (0), m_NextMessage (nullptr), m_IsSending (false)
 	{		
 		m_Establisher = new Establisher;
@@ -78,7 +78,6 @@ namespace transport
 			m_Server.RemoveNTCPSession (shared_from_this ());
 			m_SendQueue.clear ();
 			m_NextMessage = nullptr;
-			m_TerminationTimer.cancel ();
 			LogPrint (eLogDebug, "NTCP: session terminated");
 		}	
 	}	
@@ -110,7 +109,6 @@ namespace transport
 		
 		boost::asio::async_write (m_Socket, boost::asio::buffer (&m_Establisher->phase1, sizeof (NTCPPhase1)), boost::asio::transfer_all (),
         	std::bind(&NTCPSession::HandlePhase1Sent, shared_from_this (), std::placeholders::_1, std::placeholders::_2));
-		ScheduleTermination ();
 	}	
 
 	void NTCPSession::ServerLogin ()
@@ -124,7 +122,6 @@ namespace transport
 			boost::asio::async_read (m_Socket, boost::asio::buffer(&m_Establisher->phase1, sizeof (NTCPPhase1)), boost::asio::transfer_all (),                    
 				std::bind(&NTCPSession::HandlePhase1Received, shared_from_this (), 
 					std::placeholders::_1, std::placeholders::_2));
-			ScheduleTermination ();	
 		}
 	}	
 		
@@ -558,7 +555,7 @@ namespace transport
 				m_Handler.Flush ();
 			}	
 			
-			ScheduleTermination (); // reset termination timer
+			m_LastActivityTimestamp = i2p::util::GetSecondsSinceEpoch ();
 			Receive ();
 		}	
 	}	
@@ -685,6 +682,7 @@ namespace transport
 		}
 		else
 		{	
+			m_LastActivityTimestamp = i2p::util::GetSecondsSinceEpoch ();
 			m_NumSentBytes += bytes_transferred;
 			i2p::transport::transports.UpdateSentBytes (bytes_transferred);
 			if (!m_SendQueue.empty())
@@ -692,8 +690,6 @@ namespace transport
 				Send (m_SendQueue);
 				m_SendQueue.clear ();
 			}	
-			else
-				ScheduleTermination (); // reset termination timer
 		}	
 	}	
 
@@ -729,28 +725,10 @@ namespace transport
 			Send (msgs);
 	}	
 
-	void NTCPSession::ScheduleTermination ()
-	{
-		m_TerminationTimer.cancel ();
-		m_TerminationTimer.expires_from_now (boost::posix_time::seconds(GetTerminationTimeout ()));
-		m_TerminationTimer.async_wait (std::bind (&NTCPSession::HandleTerminationTimer,
-			shared_from_this (), std::placeholders::_1));
-	}
-
-	void NTCPSession::HandleTerminationTimer (const boost::system::error_code& ecode)
-	{
-		if (ecode != boost::asio::error::operation_aborted)
-		{	
-			LogPrint (eLogDebug, "NTCP: No activity for ", GetTerminationTimeout (), " seconds");
-			//Terminate ();
-			m_Socket.close ();// invoke Terminate () from HandleReceive 
-		}	
-	}	
-
 //-----------------------------------------
 	NTCPServer::NTCPServer ():
 		m_IsRunning (false), m_Thread (nullptr), m_Work (m_Service), 
-		m_NTCPAcceptor (nullptr), m_NTCPV6Acceptor (nullptr)
+		m_TerminationTimer (m_Service), m_NTCPAcceptor (nullptr), m_NTCPV6Acceptor (nullptr)
 	{
 	}
 		
@@ -811,6 +789,7 @@ namespace transport
 					}	
 				}
 			}
+			ScheduleTermination ();	
 		}	
 	}
 		
@@ -821,13 +800,17 @@ namespace transport
 		if (m_IsRunning)
 		{	
 			m_IsRunning = false;
+			m_TerminationTimer.cancel ();	
 		  	if (m_NTCPAcceptor)
+			{	
 		    	delete m_NTCPAcceptor;
 				m_NTCPAcceptor = nullptr;
+			}
 		  	if (m_NTCPV6Acceptor)
+			{
 		    	delete m_NTCPV6Acceptor;
 				m_NTCPV6Acceptor = nullptr;
-
+			}
 			m_Service.stop ();
 			if (m_Thread)
 			{	
@@ -991,5 +974,31 @@ namespace transport
 		m_BanList[addr] = ts + NTCP_BAN_EXPIRATION_TIMEOUT;
 		LogPrint (eLogWarning, "NTCP: ", addr, " has been banned for ", NTCP_BAN_EXPIRATION_TIMEOUT, " seconds");
 	}
+
+	void NTCPServer::ScheduleTermination ()
+	{
+		m_TerminationTimer.expires_from_now (boost::posix_time::seconds(NTCP_TERMINATION_CHECK_TIMEOUT));
+		m_TerminationTimer.async_wait (std::bind (&NTCPServer::HandleTerminationTimer,
+			this, std::placeholders::_1));
+	}
+
+	void NTCPServer::HandleTerminationTimer (const boost::system::error_code& ecode)
+	{
+		if (ecode != boost::asio::error::operation_aborted)
+		{	
+			auto ts = i2p::util::GetSecondsSinceEpoch ();
+			for (auto& it: m_NTCPSessions)
+ 				if (it.second->IsTerminationTimeoutExpired (ts))
+				{
+					auto session = it.second;
+					m_Service.post ([session] 
+						{ 
+							LogPrint (eLogDebug, "NTCP: No activity for ", session->GetTerminationTimeout (), " seconds");
+							session->Terminate ();
+						});	
+				}
+			ScheduleTermination ();	
+		}	
+	}	
 }	
 }	

NTCPSession.h

@@ -37,6 +37,7 @@ namespace transport
 	const size_t NTCP_MAX_MESSAGE_SIZE = 16384; 
 	const size_t NTCP_BUFFER_SIZE = 4160; // fits 4 tunnel messages (4*1028)
 	const int NTCP_TERMINATION_TIMEOUT = 120; // 2 minutes
+	const int NTCP_TERMINATION_CHECK_TIMEOUT = 30; // 30 seconds	
 	const size_t NTCP_DEFAULT_PHASE3_SIZE = 2/*size*/ + i2p::data::DEFAULT_IDENTITY_SIZE/*387*/ + 4/*ts*/ + 15/*padding*/ + 40/*signature*/; // 448 	
 	const int NTCP_BAN_EXPIRATION_TIMEOUT = 70; // in second
 	const int NTCP_CLOCK_SKEW = 60; // in seconds 
@@ -95,16 +96,10 @@ namespace transport
 			void Send (const std::vector<std::shared_ptr<I2NPMessage> >& msgs);
 			void HandleSent (const boost::system::error_code& ecode, std::size_t bytes_transferred, std::vector<std::shared_ptr<I2NPMessage> > msgs);
 			
-			
-			// timer
-			void ScheduleTermination ();
-			void HandleTerminationTimer (const boost::system::error_code& ecode);
-			
 		private:
 
 			NTCPServer& m_Server;
 			boost::asio::ip::tcp::socket m_Socket;
-			boost::asio::deadline_timer m_TerminationTimer;
 			bool m_IsEstablished, m_IsTerminated;
 			
 			i2p::crypto::CBCDecryption m_Decryption;
@@ -160,12 +155,17 @@ namespace transport
 
 			void HandleConnect (const boost::system::error_code& ecode, std::shared_ptr<NTCPSession> conn);
 
+			// timer
+			void ScheduleTermination ();
+			void HandleTerminationTimer (const boost::system::error_code& ecode);
+			
 		private:	
 
 			bool m_IsRunning;
 			std::thread * m_Thread;	
 			boost::asio::io_service m_Service;
 			boost::asio::io_service::work m_Work;
+			boost::asio::deadline_timer m_TerminationTimer;
 			boost::asio::ip::tcp::acceptor * m_NTCPAcceptor, * m_NTCPV6Acceptor;
 			std::map<i2p::data::IdentHash, std::shared_ptr<NTCPSession> > m_NTCPSessions; // access from m_Thread only
 			std::map<boost::asio::ip::address, uint32_t> m_BanList; // IP -> ban expiration time in seconds

SSU.cpp

@@ -17,7 +17,8 @@ namespace transport
 		m_Work (m_Service), m_WorkV6 (m_ServiceV6), m_ReceiversWork (m_ReceiversService), 
 		m_EndpointV6 (addr, port), 
 		m_Socket (m_ReceiversService, m_Endpoint), m_SocketV6 (m_ReceiversService), 
-		m_IntroducersUpdateTimer (m_Service), m_PeerTestsCleanupTimer (m_Service)	
+		m_IntroducersUpdateTimer (m_Service), m_PeerTestsCleanupTimer (m_Service),
+		m_TerminationTimer (m_Service), m_TerminationTimerV6 (m_ServiceV6)	
 	{
 		m_SocketV6.open (boost::asio::ip::udp::v6());
 		m_SocketV6.set_option (boost::asio::ip::v6_only (true));
@@ -32,7 +33,8 @@ namespace transport
 		m_Work (m_Service), m_WorkV6 (m_ServiceV6), m_ReceiversWork (m_ReceiversService), 
 		m_Endpoint (boost::asio::ip::udp::v4 (), port), m_EndpointV6 (boost::asio::ip::udp::v6 (), port), 
 		m_Socket (m_ReceiversService, m_Endpoint), m_SocketV6 (m_ReceiversService), 
-		m_IntroducersUpdateTimer (m_Service), m_PeerTestsCleanupTimer (m_Service)	
+		m_IntroducersUpdateTimer (m_Service), m_PeerTestsCleanupTimer (m_Service),
+		m_TerminationTimer (m_Service), m_TerminationTimerV6 (m_ServiceV6)	
 	{
 		
 		m_Socket.set_option (boost::asio::socket_base::receive_buffer_size (65535));
@@ -59,11 +61,13 @@ namespace transport
 		{
 			m_Thread = new std::thread (std::bind (&SSUServer::Run, this));
 			m_ReceiversService.post (std::bind (&SSUServer::Receive, this));
+			ScheduleTermination ();		
 		}
 		if (context.SupportsV6 ())
 		{	
 			m_ThreadV6 = new std::thread (std::bind (&SSUServer::RunV6, this));
 			m_ReceiversService.post (std::bind (&SSUServer::ReceiveV6, this));	
+			ScheduleTerminationV6 ();	
 		}
 		SchedulePeerTestsCleanupTimer ();	
 		ScheduleIntroducersUpdateTimer (); // wait for 30 seconds and decide if we need introducers
@@ -640,6 +644,58 @@ namespace transport
 			SchedulePeerTestsCleanupTimer ();
 		}
 	}
+
+	void SSUServer::ScheduleTermination ()
+	{
+		m_TerminationTimer.expires_from_now (boost::posix_time::seconds(SSU_TERMINATION_CHECK_TIMEOUT));
+		m_TerminationTimer.async_wait (std::bind (&SSUServer::HandleTerminationTimer,
+			this, std::placeholders::_1));
+	}
+
+	void SSUServer::HandleTerminationTimer (const boost::system::error_code& ecode)
+	{
+		if (ecode != boost::asio::error::operation_aborted)
+		{	
+			auto ts = i2p::util::GetSecondsSinceEpoch ();
+			for (auto& it: m_Sessions)
+ 				if (it.second->IsTerminationTimeoutExpired (ts))
+				{
+					auto session = it.second;
+					m_Service.post ([session] 
+						{ 
+							LogPrint (eLogWarning, "SSU: no activity with ", session->GetRemoteEndpoint (), " for ", session->GetTerminationTimeout (), " seconds");
+							session->Failed ();
+						});	
+				}
+			ScheduleTermination ();	
+		}	
+	}	
+
+	void SSUServer::ScheduleTerminationV6 ()
+	{
+		m_TerminationTimerV6.expires_from_now (boost::posix_time::seconds(SSU_TERMINATION_CHECK_TIMEOUT));
+		m_TerminationTimerV6.async_wait (std::bind (&SSUServer::HandleTerminationTimerV6,
+			this, std::placeholders::_1));
+	}
+
+	void SSUServer::HandleTerminationTimerV6 (const boost::system::error_code& ecode)
+	{
+		if (ecode != boost::asio::error::operation_aborted)
+		{	
+			auto ts = i2p::util::GetSecondsSinceEpoch ();
+			for (auto& it: m_SessionsV6)
+ 				if (it.second->IsTerminationTimeoutExpired (ts))
+				{
+					auto session = it.second;
+					m_ServiceV6.post ([session] 
+						{ 
+							LogPrint (eLogWarning, "SSU: no activity with ", session->GetRemoteEndpoint (), " for ", session->GetTerminationTimeout (), " seconds");
+							session->Failed ();
+						});	
+				}
+			ScheduleTerminationV6 ();	
+		}	
+	}	
 }
 }
 

SSU.h

@@ -23,6 +23,7 @@ namespace transport
 	const int SSU_KEEP_ALIVE_INTERVAL = 30; // 30 seconds	
 	const int SSU_PEER_TEST_TIMEOUT = 60; // 60 seconds		
 	const int SSU_TO_INTRODUCER_SESSION_DURATION = 3600; // 1 hour
+	const int SSU_TERMINATION_CHECK_TIMEOUT = 30; // 30 seconds
 	const size_t SSU_MAX_NUM_INTRODUCERS = 3;
 
 	struct SSUPacket
@@ -90,6 +91,12 @@ namespace transport
 			void SchedulePeerTestsCleanupTimer ();
 			void HandlePeerTestsCleanupTimer (const boost::system::error_code& ecode);
 
+			// timer
+			void ScheduleTermination ();
+			void HandleTerminationTimer (const boost::system::error_code& ecode);
+			void ScheduleTerminationV6 ();
+			void HandleTerminationTimerV6 (const boost::system::error_code& ecode);
+
 		private:
 
 			struct PeerTest
@@ -106,7 +113,8 @@ namespace transport
 			boost::asio::io_service::work m_Work, m_WorkV6, m_ReceiversWork;
 			boost::asio::ip::udp::endpoint m_Endpoint, m_EndpointV6;
 			boost::asio::ip::udp::socket m_Socket, m_SocketV6;
-			boost::asio::deadline_timer m_IntroducersUpdateTimer, m_PeerTestsCleanupTimer;
+			boost::asio::deadline_timer m_IntroducersUpdateTimer, m_PeerTestsCleanupTimer,
+				m_TerminationTimer, m_TerminationTimerV6;
 			std::list<boost::asio::ip::udp::endpoint> m_Introducers; // introducers we are connected to
 			std::map<boost::asio::ip::udp::endpoint, std::shared_ptr<SSUSession> > m_Sessions, m_SessionsV6;
 			std::map<uint32_t, boost::asio::ip::udp::endpoint> m_Relays; // we are introducer

SSUSession.cpp

@@ -14,7 +14,7 @@ namespace transport
 	SSUSession::SSUSession (SSUServer& server, boost::asio::ip::udp::endpoint& remoteEndpoint,
 		std::shared_ptr<const i2p::data::RouterInfo> router, bool peerTest ): 
 		TransportSession (router, SSU_TERMINATION_TIMEOUT), 
-		m_Server (server), m_RemoteEndpoint (remoteEndpoint), m_Timer (GetService ()), 
+		m_Server (server), m_RemoteEndpoint (remoteEndpoint), m_ConnectTimer (GetService ()), 
 		m_IsPeerTest (peerTest),m_State (eSessionStateUnknown), m_IsSessionKey (false), 
 		m_RelayTag (0),m_Data (*this), m_IsDataReceived (false)
 	{	
@@ -97,7 +97,7 @@ namespace transport
 		{
 			if (!len) return; // ignore zero-length packets	
 			if (m_State == eSessionStateEstablished)
-				ScheduleTermination ();		
+				m_LastActivityTimestamp = i2p::util::GetSecondsSinceEpoch ();	
 			
 			if (m_IsSessionKey && Validate (buf, len, m_MacKey)) // try session key first
 				DecryptSessionKey (buf, len);	
@@ -229,7 +229,7 @@ namespace transport
 		}
 
 		LogPrint (eLogDebug, "SSU message: session created");
-		m_Timer.cancel (); // connect timer
+		m_ConnectTimer.cancel (); // connect timer
 		SignedData s; // x,y, our IP, our port, remote IP, remote port, relayTag, signed on time 
 		auto headerSize = GetSSUHeaderSize (buf);	
 		if (headerSize >= len)
@@ -804,9 +804,9 @@ namespace transport
 
 	void SSUSession::ScheduleConnectTimer ()
 	{
-		m_Timer.cancel ();
-		m_Timer.expires_from_now (boost::posix_time::seconds(SSU_CONNECT_TIMEOUT));
-		m_Timer.async_wait (std::bind (&SSUSession::HandleConnectTimer,
+		m_ConnectTimer.cancel ();
+		m_ConnectTimer.expires_from_now (boost::posix_time::seconds(SSU_CONNECT_TIMEOUT));
+		m_ConnectTimer.async_wait (std::bind (&SSUSession::HandleConnectTimer,
 			shared_from_this (), std::placeholders::_1));	
 }
 
@@ -826,8 +826,8 @@ namespace transport
 		if (m_State == eSessionStateUnknown)
 		{	
 			// set connect timer
-			m_Timer.expires_from_now (boost::posix_time::seconds(SSU_CONNECT_TIMEOUT));
-			m_Timer.async_wait (std::bind (&SSUSession::HandleConnectTimer,
+			m_ConnectTimer.expires_from_now (boost::posix_time::seconds(SSU_CONNECT_TIMEOUT));
+			m_ConnectTimer.async_wait (std::bind (&SSUSession::HandleConnectTimer,
 				shared_from_this (), std::placeholders::_1));
 		}
 		uint32_t nonce;
@@ -840,8 +840,8 @@ namespace transport
 	{
 		m_State = eSessionStateIntroduced;
 		// set connect timer
-		m_Timer.expires_from_now (boost::posix_time::seconds(SSU_CONNECT_TIMEOUT));
-		m_Timer.async_wait (std::bind (&SSUSession::HandleConnectTimer,
+		m_ConnectTimer.expires_from_now (boost::posix_time::seconds(SSU_CONNECT_TIMEOUT));
+		m_ConnectTimer.async_wait (std::bind (&SSUSession::HandleConnectTimer,
 			shared_from_this (), std::placeholders::_1));			
 	}
 
@@ -851,7 +851,7 @@ namespace transport
 		SendSesionDestroyed ();
 		transports.PeerDisconnected (shared_from_this ());
 		m_Data.Stop ();
-		m_Timer.cancel ();
+		m_ConnectTimer.cancel ();
 	}	
 
 	void SSUSession::Done ()
@@ -868,7 +868,7 @@ namespace transport
 		transports.PeerConnected (shared_from_this ());
 		if (m_IsPeerTest)
 			SendPeerTest ();
-		ScheduleTermination ();
+		m_LastActivityTimestamp = i2p::util::GetSecondsSinceEpoch ();
 	}	
 
 	void SSUSession::Failed ()
@@ -880,24 +880,6 @@ namespace transport
 		}	
 	}	
 
-	void SSUSession::ScheduleTermination ()
-	{
-		m_Timer.cancel ();
-		m_Timer.expires_from_now (boost::posix_time::seconds(GetTerminationTimeout ()));
-		m_Timer.async_wait (std::bind (&SSUSession::HandleTerminationTimer,
-			shared_from_this (), std::placeholders::_1));
-	}
-
-	void SSUSession::HandleTerminationTimer (const boost::system::error_code& ecode)
-	{
-		if (ecode != boost::asio::error::operation_aborted)
-		{	
-			LogPrint (eLogWarning, "SSU: no activity with ", m_RemoteEndpoint, " for ", GetTerminationTimeout (), " seconds");
-			Failed ();
-		}	
-	}	
-	
-
 	void SSUSession::SendI2NPMessages (const std::vector<std::shared_ptr<I2NPMessage> >& msgs)
 	{
 		GetService ().post (std::bind (&SSUSession::PostI2NPMessages, shared_from_this (), msgs));    
@@ -1126,7 +1108,7 @@ namespace transport
 			FillHeaderAndEncrypt (PAYLOAD_TYPE_DATA, buf, 48);
 			Send (buf, 48);
 			LogPrint (eLogDebug, "SSU: keep-alive sent");
-			ScheduleTermination ();
+			m_LastActivityTimestamp = i2p::util::GetSecondsSinceEpoch ();
 		}	
 	}
 

SSUSession.h

@@ -77,6 +77,7 @@ namespace transport
 			void WaitForIntroduction ();
 			void Close ();
 			void Done ();
+			void Failed ();
 			boost::asio::ip::udp::endpoint& GetRemoteEndpoint () { return m_RemoteEndpoint; };
 			bool IsV6 () const { return m_RemoteEndpoint.address ().is_v6 (); };
 			void SendI2NPMessages (const std::vector<std::shared_ptr<I2NPMessage> >& msgs);
@@ -114,7 +115,6 @@ namespace transport
 			void ProcessRelayResponse (const uint8_t * buf, size_t len);
 			void ProcessRelayIntro (const uint8_t * buf, size_t len);
 			void Established ();
-			void Failed ();
 			void ScheduleConnectTimer ();
 			void HandleConnectTimer (const boost::system::error_code& ecode);
 			void ProcessPeerTest (const uint8_t * buf, size_t len, const boost::asio::ip::udp::endpoint& senderEndpoint);
@@ -131,15 +131,12 @@ namespace transport
 			void DecryptSessionKey (uint8_t * buf, size_t len);
 			bool Validate (uint8_t * buf, size_t len, const i2p::crypto::MACKey& macKey);			
 
-			void ScheduleTermination ();
-			void HandleTerminationTimer (const boost::system::error_code& ecode);
-
 		private:
 	
 			friend class SSUData; // TODO: change in later
 			SSUServer& m_Server;
 			boost::asio::ip::udp::endpoint m_RemoteEndpoint;
-			boost::asio::deadline_timer m_Timer;
+			boost::asio::deadline_timer m_ConnectTimer;
 			bool m_IsPeerTest;
 			SessionState m_State;
 			bool m_IsSessionKey;

TransportSession.h

@@ -9,6 +9,7 @@
 #include "Crypto.h"
 #include "RouterInfo.h"
 #include "I2NPProtocol.h"
+#include "Timestamp.h"
 
 namespace i2p
 {
@@ -54,7 +55,8 @@ namespace transport
 		public:
 
 			TransportSession (std::shared_ptr<const i2p::data::RouterInfo> router, int terminationTimeout): 
-				m_DHKeysPair (nullptr), m_NumSentBytes (0), m_NumReceivedBytes (0), m_IsOutgoing (router), m_TerminationTimeout (terminationTimeout)
+				m_DHKeysPair (nullptr), m_NumSentBytes (0), m_NumReceivedBytes (0), m_IsOutgoing (router), m_TerminationTimeout (terminationTimeout), 
+				m_LastActivityTimestamp (i2p::util::GetSecondsSinceEpoch ())
 			{
 				if (router)
 					m_RemoteIdentity = router->GetRouterIdentity ();
@@ -72,6 +74,8 @@ namespace transport
 			
 			int GetTerminationTimeout () const { return m_TerminationTimeout; };
 			void SetTerminationTimeout (int terminationTimeout) { m_TerminationTimeout = terminationTimeout; };	
+			bool IsTerminationTimeoutExpired (uint64_t ts) const 
+			{ return ts >= m_LastActivityTimestamp + GetTerminationTimeout (); };	
 
 			virtual void SendI2NPMessages (const std::vector<std::shared_ptr<I2NPMessage> >& msgs) = 0;
 			
@@ -82,6 +86,7 @@ namespace transport
 			size_t m_NumSentBytes, m_NumReceivedBytes;
 			bool m_IsOutgoing;
 			int m_TerminationTimeout;
+			uint64_t m_LastActivityTimestamp;
 	};	
 }
 }

build/CMakeLists.txt

@@ -357,7 +357,7 @@ if (WITH_BINARY)
   endif ()
 
   if (WITH_UPNP)
-    target_link_libraries("${PROJECT_NAME}" "miniupnpc")
+	  target_link_libraries("${PROJECT_NAME}" "${MINIUPNPC_LIBRARY}")
   endif ()
 
   # FindBoost pulls pthread for thread which is broken for static linking at least on Ubuntu 15.04

build/cmake_modules/FindMiniUPnPc.cmake

@@ -1,6 +1,6 @@
 # - Find MINIUPNPC
 
-if(MINIUPNPC_INCLUDE_DIR)
+if(MINIUPNPC_INCLUDE_DIR AND MINIUPNPC_LIBRARY)
    set(MINIUPNPC_FOUND TRUE)
 
 else()
@@ -12,14 +12,17 @@ else()
       ${PROJECT_SOURCE_DIR}/../..
       )
 
-  if(MINIUPNPC_INCLUDE_DIR)
+  find_library(MINIUPNPC_LIBRARY miniupnpc)
+
+  if(MINIUPNPC_INCLUDE_DIR AND MINIUPNPC_LIBRARY)
     set(MINIUPNPC_FOUND TRUE)
     message(STATUS "Found MiniUPnP headers: ${MINIUPNPC_INCLUDE_DIR}")
+    message(STATUS "Found MiniUPnP library: ${MINIUPNPC_LIBRARY}")
   else()
     set(MINIUPNPC_FOUND FALSE)
     message(STATUS "MiniUPnP not found.")
   endif()
 
-  mark_as_advanced(MINIUPNPC_INCLUDE_DIR)
+  mark_as_advanced(MINIUPNPC_INCLUDE_DIR MINIUPNPC_LIBRARY)
   
 endif()