cancel destination request

AddressBook.cpp

@@ -495,7 +495,10 @@ namespace client
 						newDataReceived.notify_all ();
 					});
 				if (newDataReceived.wait_for (l, std::chrono::seconds (SUBSCRIPTION_REQUEST_TIMEOUT)) == std::cv_status::timeout)
+				{	
 					LogPrint (eLogError, "Subscription LeseseSet request timeout expired");
+					i2p::client::context.GetSharedLocalDestination ()->CancelDestinationRequest (ident);
+				}	
 			}
 			if (leaseSet)
 			{

Destination.cpp

@@ -533,6 +533,17 @@ namespace client
 		return true;
 	}
 
+	void ClientDestination::CancelDestinationRequest (const i2p::data::IdentHash& dest)
+	{
+		auto s = shared_from_this ();
+		m_Service.post ([dest, s](void)
+			{
+				auto it = s->m_LeaseSetRequests.find (dest);
+				if (it != s->m_LeaseSetRequests.end ())
+					 s->m_LeaseSetRequests.erase (it);
+			});				
+	}
+		
 	void ClientDestination::RequestLeaseSet (const i2p::data::IdentHash& dest, RequestComplete requestComplete)
 	{
 		std::set<i2p::data::IdentHash> excluded;

Destination.h

@@ -73,6 +73,7 @@ namespace client
 			bool IsReady () const { return m_LeaseSet && m_LeaseSet->HasNonExpiredLeases () && m_Pool->GetOutboundTunnels ().size () > 0; };
 			std::shared_ptr<const i2p::data::LeaseSet> FindLeaseSet (const i2p::data::IdentHash& ident);
 			bool RequestDestination (const i2p::data::IdentHash& dest, RequestComplete requestComplete = nullptr);
+			void CancelDestinationRequest (const i2p::data::IdentHash& dest);	
 			
 			// streaming
 			std::shared_ptr<i2p::stream::StreamingDestination> CreateStreamingDestination (int port); // additional