recreate tunnel after 9.5 minutes

Tunnel.cpp

@@ -18,7 +18,7 @@ namespace tunnel
 {		
 	
 	Tunnel::Tunnel (TunnelConfig * config): 
-		m_Config (config), m_Pool (nullptr), m_State (eTunnelStatePending)
+		m_Config (config), m_Pool (nullptr), m_State (eTunnelStatePending), m_IsRecreated (false)
 	{
 	}	
 
@@ -542,13 +542,18 @@ namespace tunnel
 				}	
 				else 
 				{
-					if (tunnel->IsEstablished () && ts + TUNNEL_EXPIRATION_THRESHOLD > tunnel->GetCreationTime () + TUNNEL_EXPIRATION_TIMEOUT)
+					if (tunnel->IsEstablished ())
 					{	
-						tunnel->SetState (eTunnelStateExpiring);
+						if (!tunnel->IsRecreated () && ts + TUNNEL_RECREATION_THRESHOLD > tunnel->GetCreationTime () + TUNNEL_EXPIRATION_TIMEOUT)
+						{
+							tunnel->SetIsRecreated ();	
 							auto pool = tunnel->GetTunnelPool ();
 							if (pool)
 								pool->RecreateOutboundTunnel (tunnel);
 						}
+						if (ts + TUNNEL_EXPIRATION_THRESHOLD > tunnel->GetCreationTime () + TUNNEL_EXPIRATION_TIMEOUT)
+							tunnel->SetState (eTunnelStateExpiring);
+					}	
 					it++;
 				}
 			}
@@ -585,13 +590,19 @@ namespace tunnel
 				}	
 				else 
 				{
-					if (tunnel->IsEstablished () && ts + TUNNEL_EXPIRATION_THRESHOLD > tunnel->GetCreationTime () + TUNNEL_EXPIRATION_TIMEOUT)
+					if (tunnel->IsEstablished ())
 					{	
-						tunnel->SetState (eTunnelStateExpiring);
+						if (!tunnel->IsRecreated () && ts + TUNNEL_RECREATION_THRESHOLD > tunnel->GetCreationTime () + TUNNEL_EXPIRATION_TIMEOUT)
+						{
+							tunnel->SetIsRecreated ();	
 							auto pool = tunnel->GetTunnelPool ();
 							if (pool)
 								pool->RecreateInboundTunnel (tunnel);
 						}
+	
+						if (ts + TUNNEL_EXPIRATION_THRESHOLD > tunnel->GetCreationTime () + TUNNEL_EXPIRATION_TIMEOUT)
+							tunnel->SetState (eTunnelStateExpiring);
+					}	
 					it++;
 				}
 			}

Tunnel.h

@@ -24,6 +24,7 @@ namespace tunnel
 {	
 	const int TUNNEL_EXPIRATION_TIMEOUT = 660; // 11 minutes	
 	const int TUNNEL_EXPIRATION_THRESHOLD = 60; // 1 minute	
+	const int TUNNEL_RECREATION_THRESHOLD = 90; // 1.5 minutes	
 	const int TUNNEL_CREATION_TIMEOUT = 30; // 30 seconds
 	const int STANDARD_NUM_RECORDS = 5; // in VariableTunnelBuild message
 
@@ -54,6 +55,8 @@ namespace tunnel
 			void SetState (TunnelState state)  { m_State = state; };
 			bool IsEstablished () const { return m_State == eTunnelStateEstablished; };
 			bool IsFailed () const { return m_State == eTunnelStateFailed; };
+			bool IsRecreated () const { return m_IsRecreated; };
+			void SetIsRecreated () { m_IsRecreated = true; };
 
 			std::shared_ptr<TunnelPool> GetTunnelPool () const { return m_Pool; };
 			void SetTunnelPool (std::shared_ptr<TunnelPool> pool) { m_Pool = pool; };			
@@ -71,6 +74,7 @@ namespace tunnel
 			TunnelConfig * m_Config;
 			std::shared_ptr<TunnelPool> m_Pool; // pool, tunnel belongs to, or null
 			TunnelState m_State;
+			bool m_IsRecreated;
 	};	
 
 	class OutboundTunnel: public Tunnel 

TunnelPool.cpp

@@ -140,7 +140,10 @@ namespace tunnel
 			std::unique_lock<std::mutex> l(m_OutboundTunnelsMutex);	
 			for (auto it: m_OutboundTunnels)
 				if (it->IsEstablished () && old->GetEndpointRouter ()->GetIdentHash () == it->GetEndpointRouter ()->GetIdentHash ())
+				{
 					tunnel = it;
+					break;
+				}
 		}
 	
 		if (!tunnel)