don't look for session if a packet is from same endpoint as previous

SSU.cpp

@@ -211,22 +211,25 @@ namespace transport
 
 	void SSUServer::HandleReceivedPackets (std::vector<SSUPacket *> packets)
 	{
+		std::shared_ptr<SSUSession> session;	
 		for (auto it1: packets)
 		{
 			auto packet = it1;
-			std::shared_ptr<SSUSession> session;
-			auto it = m_Sessions.find (packet->from);
-			if (it != m_Sessions.end ())
-				session = it->second;
-			if (!session)
+			if (session && session->GetRemoteEndpoint () != packet->from) // we received packet for other session than previous
 			{
-				session = std::make_shared<SSUSession> (*this, packet->from);
-				session->WaitForConnect ();
+				auto it = m_Sessions.find (packet->from);
+				if (it != m_Sessions.end ())
+					session = it->second;
+				if (!session)
 				{
-					std::unique_lock<std::mutex> l(m_SessionsMutex);
-					m_Sessions[packet->from] = session;
-				}	
-				LogPrint ("New SSU session from ", packet->from.address ().to_string (), ":", packet->from.port (), " created");
+					session = std::make_shared<SSUSession> (*this, packet->from);
+					session->WaitForConnect ();
+					{
+						std::unique_lock<std::mutex> l(m_SessionsMutex);
+						m_Sessions[packet->from] = session;
+					}	
+					LogPrint ("New SSU session from ", packet->from.address ().to_string (), ":", packet->from.port (), " created");
+				}
 			}
 			session->ProcessNextMessage (packet->buf, packet->len, packet->from);
 			delete packet;

SSUData.cpp

@@ -152,8 +152,7 @@ namespace transport
 			uint32_t fragmentInfo = bufbe32toh (frag); // fragment info
 			uint16_t fragmentSize = fragmentInfo & 0x1FFF; // bits 0 - 13
 			bool isLast = fragmentInfo & 0x010000; // bit 16	
-			uint8_t fragmentNum = fragmentInfo >> 17; // bits 23 - 17
-			LogPrint (eLogDebug, "SSU data fragment ", (int)fragmentNum, " of message ", msgID, " size=", (int)fragmentSize, isLast ? " last" : " non-last"); 		
+			uint8_t fragmentNum = fragmentInfo >> 17; // bits 23 - 17 		
 			if (fragmentSize >= SSU_V4_MAX_PACKET_SIZE)
 			{
 				LogPrint (eLogError, "Fragment size ", fragmentSize, "exceeds max SSU packet size");

SSUSession.cpp

@@ -130,7 +130,6 @@ namespace transport
 		switch (header->GetPayloadType ())
 		{
 			case PAYLOAD_TYPE_DATA:
-				LogPrint (eLogDebug, "SSU data received");
 				ProcessData (buf + sizeof (SSUHeader), len - sizeof (SSUHeader));
 			break;
 			case PAYLOAD_TYPE_SESSION_REQUEST: