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

SSU.cpp

@@ -211,10 +211,12 @@ 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;
+			if (session && session->GetRemoteEndpoint () != packet->from) // we received packet for other session than previous
+			{
 				auto it = m_Sessions.find (packet->from);
 				if (it != m_Sessions.end ())
 					session = it->second;
@@ -228,6 +230,7 @@ namespace transport
 					}	
 					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

@@ -153,7 +153,6 @@ namespace transport
 			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"); 		
 			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: