check tunnel status instead fidning it every time

Streaming.cpp

@@ -504,7 +504,8 @@ namespace stream
 				return;
 			}
 		}
-		m_CurrentOutboundTunnel = m_LocalDestination.GetOwner ().GetTunnelPool ()->GetNextOutboundTunnel (m_CurrentOutboundTunnel);
+		if (!m_CurrentOutboundTunnel || !m_CurrentOutboundTunnel->IsEstablished ())
+			m_CurrentOutboundTunnel = m_LocalDestination.GetOwner ().GetTunnelPool ()->GetNextOutboundTunnel ();
 		if (!m_CurrentOutboundTunnel)
 		{
 			LogPrint ("No outbound tunnels in the pool");

TunnelPool.cpp

@@ -101,26 +101,22 @@ namespace tunnel
 		return v;
 	}
 
-	std::shared_ptr<OutboundTunnel> TunnelPool::GetNextOutboundTunnel (std::shared_ptr<OutboundTunnel> suggested) const
+	std::shared_ptr<OutboundTunnel> TunnelPool::GetNextOutboundTunnel () const
 	{
 		std::unique_lock<std::mutex> l(m_OutboundTunnelsMutex);	
-		return GetNextTunnel (m_OutboundTunnels, suggested);
+		return GetNextTunnel (m_OutboundTunnels);
 	}	
 
-	std::shared_ptr<InboundTunnel> TunnelPool::GetNextInboundTunnel (std::shared_ptr<InboundTunnel> suggested) const
+	std::shared_ptr<InboundTunnel> TunnelPool::GetNextInboundTunnel () const
 	{
 		std::unique_lock<std::mutex> l(m_InboundTunnelsMutex);	
-		return GetNextTunnel (m_InboundTunnels, suggested);
+		return GetNextTunnel (m_InboundTunnels);
 	}
 
 	template<class TTunnels>
-	typename TTunnels::value_type TunnelPool::GetNextTunnel (TTunnels& tunnels, 
-		typename TTunnels::value_type suggested) const
+	typename TTunnels::value_type TunnelPool::GetNextTunnel (TTunnels& tunnels) const
 	{
-		if (tunnels.empty ()) return nullptr;
-		if (suggested && tunnels.count (suggested) > 0 && suggested->IsEstablished ())
-				return suggested;
-		
+		if (tunnels.empty ()) return nullptr;		
 		CryptoPP::RandomNumberGenerator& rnd = i2p::context.GetRandomNumberGenerator ();
 		uint32_t ind = rnd.GenerateWord32 (0, tunnels.size ()/2), i = 0;
 		typename TTunnels::value_type tunnel = nullptr;

TunnelPool.h

@@ -39,8 +39,8 @@ namespace tunnel
 			void TunnelCreated (std::shared_ptr<OutboundTunnel> createdTunnel);
 			void TunnelExpired (std::shared_ptr<OutboundTunnel> expiredTunnel);
 			std::vector<std::shared_ptr<InboundTunnel> > GetInboundTunnels (int num) const;
-			std::shared_ptr<OutboundTunnel> GetNextOutboundTunnel (std::shared_ptr<OutboundTunnel> suggested = nullptr) const;
-			std::shared_ptr<InboundTunnel> GetNextInboundTunnel (std::shared_ptr<InboundTunnel> suggested = nullptr) const;		
+			std::shared_ptr<OutboundTunnel> GetNextOutboundTunnel () const;
+			std::shared_ptr<InboundTunnel> GetNextInboundTunnel () const;		
 
 			void TestTunnels ();
 			void ProcessGarlicMessage (I2NPMessage * msg);
@@ -57,8 +57,7 @@ namespace tunnel
 			void RecreateInboundTunnel (std::shared_ptr<InboundTunnel> tunnel);
 			void RecreateOutboundTunnel (std::shared_ptr<OutboundTunnel> tunnel);
 			template<class TTunnels>
-			typename TTunnels::value_type GetNextTunnel (TTunnels& tunnels, 
-				typename TTunnels::value_type suggested = nullptr) const;
+			typename TTunnels::value_type GetNextTunnel (TTunnels& tunnels) const;
 			std::shared_ptr<const i2p::data::RouterInfo> SelectNextHop (std::shared_ptr<const i2p::data::RouterInfo> prevHop) const;
 			
 		private: