don't compare OBEP hash twice to check if it's a fresh tunnel

libi2pd/Streaming.cpp

@@ -927,9 +927,7 @@ namespace stream
 			else if (!m_CurrentOutboundTunnel->IsEstablished ())
 			{
 				auto oldOutboundTunnel = m_CurrentOutboundTunnel;
-				m_CurrentOutboundTunnel = m_LocalDestination.GetOwner ()->GetTunnelPool ()->GetNewOutboundTunnel (m_CurrentOutboundTunnel);
-				if (m_CurrentOutboundTunnel && oldOutboundTunnel->GetEndpointIdentHash() != m_CurrentOutboundTunnel->GetEndpointIdentHash())
-					freshTunnel = true;
+				std::tie(m_CurrentOutboundTunnel, freshTunnel) = m_LocalDestination.GetOwner ()->GetTunnelPool ()->GetNewOutboundTunnel (m_CurrentOutboundTunnel);
 			}
 			if (!m_CurrentOutboundTunnel)
 			{

libi2pd/TunnelPool.cpp

@@ -263,10 +263,11 @@ namespace tunnel
 		return tunnel;
 	}
 
-	std::shared_ptr<OutboundTunnel> TunnelPool::GetNewOutboundTunnel (std::shared_ptr<OutboundTunnel> old) const
+	std::pair<std::shared_ptr<OutboundTunnel>, bool> TunnelPool::GetNewOutboundTunnel (std::shared_ptr<OutboundTunnel> old) const
 	{
-		if (old && old->IsEstablished ()) return old;
+		if (old && old->IsEstablished ()) return std::make_pair(old, false);
 		std::shared_ptr<OutboundTunnel> tunnel;
+		bool freshTunnel = false;
 		if (old)
 		{
 			std::unique_lock<std::mutex> l(m_OutboundTunnelsMutex);
@@ -279,8 +280,11 @@ namespace tunnel
 		}
 
 		if (!tunnel)
+		{	
 			tunnel = GetNextOutboundTunnel ();
-		return tunnel;
+			freshTunnel = true;
+		}	
+		return std::make_pair(tunnel, freshTunnel);
 	}
 
 	void TunnelPool::CreateTunnels ()

libi2pd/TunnelPool.h

@@ -81,7 +81,7 @@ namespace tunnel
 				i2p::data::RouterInfo::CompatibleTransports compatible = i2p::data::RouterInfo::eAllTransports) const;
 			std::shared_ptr<InboundTunnel> GetNextInboundTunnel (std::shared_ptr<InboundTunnel> excluded = nullptr,
 				i2p::data::RouterInfo::CompatibleTransports compatible = i2p::data::RouterInfo::eAllTransports) const;
-			std::shared_ptr<OutboundTunnel> GetNewOutboundTunnel (std::shared_ptr<OutboundTunnel> old) const;
+			std::pair<std::shared_ptr<OutboundTunnel>, bool> GetNewOutboundTunnel (std::shared_ptr<OutboundTunnel> old) const;
 			void ManageTunnels (uint64_t ts);
 			void ProcessGarlicMessage (std::shared_ptr<I2NPMessage> msg);
 			void ProcessDeliveryStatus (std::shared_ptr<I2NPMessage> msg);