fixed race condition

NetDb.cpp

@@ -102,7 +102,7 @@ namespace data
 		{	
 			try
 			{	
-				I2NPMessage * msg = m_Queue.GetNextWithTimeout (10000); // 10 sec
+				I2NPMessage * msg = m_Queue.GetNextWithTimeout (30000); // 30 sec
 				if (msg)
 				{	
 					while (msg)

Streaming.cpp

@@ -38,19 +38,24 @@ namespace stream
 
 	Stream::~Stream ()
 	{	
-		Close ();
-		m_ReceiveTimer.cancel ();
-		m_ResendTimer.cancel ();
 		while (!m_ReceiveQueue.empty ())
 		{
 			auto packet = m_ReceiveQueue.front ();
 			m_ReceiveQueue.pop ();
 			delete packet;
 		}	
-		for (auto it: m_SavedPackets)
-			delete it;
+		m_ReceiveTimer.cancel ();
+					
 		for (auto it: m_SentPackets)
 			delete it;
+		m_SentPackets.clear ();
+		m_ResendTimer.cancel ();
+
+		for (auto it: m_SavedPackets)
+			delete it;
+		m_SavedPackets.clear ();
+		
+		Close ();
 	}	
 		
 	void Stream::HandleNextPacket (Packet * packet)
@@ -387,10 +392,13 @@ namespace stream
 		if (packet)
 		{	
 			SendPackets (std::vector<Packet *> { packet });
+			if (m_IsOpen)
+			{	
 				bool isEmpty = m_SentPackets.empty ();
 				m_SentPackets.insert (packet);
 				if (isEmpty)
 					ScheduleResend ();
+			}	
 			return true;	
 		}	
 		else
@@ -565,8 +573,12 @@ namespace stream
 
 	StreamingDestination::~StreamingDestination ()
 	{
+		{
+			std::unique_lock<std::mutex> l(m_StreamsMutex);
 			for (auto it: m_Streams)
 				delete it.second;
+			m_Streams.clear ();
+		}	
 		if (m_Pool)
 			i2p::tunnel::tunnels.DeleteTunnelPool (m_Pool);		
 		delete m_LeaseSet;
@@ -621,10 +633,14 @@ namespace stream
 		if (stream)
 		{	
 			std::unique_lock<std::mutex> l(m_StreamsMutex);
-			m_Streams.erase (stream->GetRecvStreamID ());
+			auto it = m_Streams.find (stream->GetRecvStreamID ());
+			if (it != m_Streams.end ())
+			{	
+				m_Streams.erase (it);
 				delete stream;
 			}	
 		}	
+	}	
 
 	const i2p::data::LeaseSet * StreamingDestination::GetLeaseSet ()
 	{
@@ -738,10 +754,13 @@ namespace stream
 		auto it = m_Destinations.find (destination->GetIdentHash ());
 		if (it != m_Destinations.end ())
 		{
-			delete it->second;
+			auto d = it->second;
+			{
 				std::unique_lock<std::mutex> l(m_DestinationsMutex);
 				m_Destinations.erase (it);
 			}	
+			delete d;
+		}
 	}
 
 	StreamingDestination * StreamingDestinations::CreateNewLocalDestination (const i2p::data::PrivateKeys& keys, bool isPublic)