eliminate some overhead

Event.cpp

@@ -5,7 +5,9 @@ namespace i2p
 {
 	namespace event
 	{
+#ifdef WITH_EVENTS
 		EventCore core;
+#endif
 
 		void EventCore::SetListener(EventListener * l)
 		{

Event.h

@@ -27,8 +27,9 @@ namespace i2p
 		private:
 			EventListener * m_listener = nullptr;
 		};
-		
+#ifdef WITH_EVENTS		
 		extern EventCore core;
+#endif
 	}
 }
 void EmitEvent(const EventType & ev);

NTCPSession.cpp

@@ -11,7 +11,9 @@
 #include "Transports.h"
 #include "NetDb.h"
 #include "NTCPSession.h"
+#ifdef WITH_EVENTS
 #include "Event.h"
+#endif
 
 using namespace i2p::crypto;
 
@@ -606,7 +608,9 @@ namespace transport
 			{
 				if (!m_NextMessage->IsExpired ())
 				{
+#ifdef WITH_EVENTS
 					EmitEvent({{"type", "transport.recvmsg"} , {"ident", GetIdentHashBase64()}, {"number", "1"}});
+#endif
 					m_Handler.PutNextMessage (m_NextMessage);
 				}
 				else

SSUData.cpp

@@ -5,7 +5,9 @@
 #include "NetDb.h"
 #include "SSU.h"
 #include "SSUData.h"
+#ifdef WITH_EVENTS
 #include "Event.h"
+#endif
 
 namespace i2p
 {
@@ -235,8 +237,11 @@ namespace transport
 					{	
 						m_ReceivedMessages.insert (msgID);
 						m_LastMessageReceivedTime = i2p::util::GetSecondsSinceEpoch ();
-						if (!msg->IsExpired ()) {
+						if (!msg->IsExpired ()) 
+						{
+#ifdef WITH_EVENTS
 							EmitEvent({{"type", "transport.recvmsg"} , {"ident", m_Session.GetIdentHashBase64()}, {"number", "1"}});
+#endif
 							m_Handler.PutNextMessage (msg);
 						}
 						else

TransportSession.h

@@ -65,7 +65,7 @@ namespace transport
 			virtual ~TransportSession () {};
 			virtual void Done () = 0;
 
-			std::string GetIdentHashBase64() const { return m_RemoteIdentity->GetIdentHash().ToBase64(); }
+			std::string GetIdentHashBase64() const { return m_RemoteIdentity ? m_RemoteIdentity->GetIdentHash().ToBase64() : ""; }
 			
 			std::shared_ptr<const i2p::data::IdentityEx> GetRemoteIdentity () { return m_RemoteIdentity; };
 			void SetRemoteIdentity (std::shared_ptr<const i2p::data::IdentityEx> ident) { m_RemoteIdentity = ident; };

Transports.cpp

@@ -5,8 +5,10 @@
 #include "NetDb.h"
 #include "Transports.h"
 #include "Config.h"
+#ifdef WITH_EVENTS
 #include "Event.h"
 #include "util.h"
+#endif
 
 using namespace i2p::data;
 
@@ -232,7 +234,9 @@ namespace transport
 
 	void Transports::SendMessages (const i2p::data::IdentHash& ident, const std::vector<std::shared_ptr<i2p::I2NPMessage> >& msgs)
 	{
+#ifdef WITH_EVENTS
 		EmitEvent({{"type" , "transport.sendmsg"}, {"ident", ident.ToBase64()}, {"number", std::to_string(msgs.size())}});
+#endif
 		m_Service.post (std::bind (&Transports::PostMessages, this, ident, msgs));
 	}	
 
@@ -571,7 +575,9 @@ namespace transport
 			auto it = m_Peers.find (ident);
 			if (it != m_Peers.end ())
 			{
+#ifdef WITH_EVENTS
 				EmitEvent({{"type" , "transport.connected"}, {"ident", ident.ToBase64()}, {"inbound", "false"}});
+#endif
 				bool sendDatabaseStore = true;
 				if (it->second.delayedMessages.size () > 0)
 				{
@@ -597,7 +603,9 @@ namespace transport
 					session->Done();
 					return;
 				}
+#ifdef WITH_EVENTS
 				EmitEvent({{"type" , "transport.connected"}, {"ident", ident.ToBase64()}, {"inbound", "true"}});
+#endif
 				session->SendI2NPMessages ({ CreateDatabaseStoreMsg () }); // send DatabaseStore
 				std::unique_lock<std::mutex>	l(m_PeersMutex);	
 				m_Peers.insert (std::make_pair (ident, Peer{ 0, nullptr, { session }, i2p::util::GetSecondsSinceEpoch (), {} }));
@@ -612,7 +620,9 @@ namespace transport
 			auto remoteIdentity = session->GetRemoteIdentity (); 
 			if (!remoteIdentity) return;
 			auto ident = remoteIdentity->GetIdentHash ();
+#ifdef WITH_EVENTS
 			EmitEvent({{"type" , "transport.disconnected"}, {"ident", ident.ToBase64()}});
+#endif
 			auto it = m_Peers.find (ident);
 			if (it != m_Peers.end ())
 			{