Add support for sending Empty Message over TCP

Author: softins

src/protocol.cpp

@@ -2313,11 +2313,11 @@ bool CProtocol::EvaluateCLSendEmptyMesMes ( const CVector<uint8_t>& vecData )
     return false; // no error
 }
 
-void CProtocol::CreateCLEmptyMes ( const CHostAddress& InetAddr )
+void CProtocol::CreateCLEmptyMes ( const CHostAddress& InetAddr, CTcpConnection* pTcpConnection )
 {
     // special message: for this message there exist no Evaluate
     // function
-    CreateAndImmSendConLessMessage ( PROTMESSID_CLM_EMPTY_MESSAGE, CVector<uint8_t> ( 0 ), InetAddr );
+    CreateAndImmSendConLessMessage ( PROTMESSID_CLM_EMPTY_MESSAGE, CVector<uint8_t> ( 0 ), InetAddr, pTcpConnection );
 }
 
 void CProtocol::CreateCLDisconnection ( const CHostAddress& InetAddr )

src/protocol.h

@@ -156,7 +156,7 @@ class CProtocol : public QObject
     void CreateCLRedServerListMes ( const CHostAddress& InetAddr, const CVector<CServerInfo> vecServerInfo );
     void CreateCLReqServerListMes ( const CHostAddress& InetAddr, enum EProtoMode eProtoMode );
     void CreateCLSendEmptyMesMes ( const CHostAddress& InetAddr, const CHostAddress& TargetInetAddr );
-    void CreateCLEmptyMes ( const CHostAddress& InetAddr );
+    void CreateCLEmptyMes ( const CHostAddress& InetAddr, CTcpConnection* pTcpConnection );
     void CreateCLDisconnection ( const CHostAddress& InetAddr );
     void CreateCLVersionAndOSMes ( const CHostAddress& InetAddr );
     void CreateCLReqVersionAndOSMes ( const CHostAddress& InetAddr );

src/server.h

@@ -359,7 +359,7 @@ public slots:
         // only send empty message if not a directory
         if ( !ServerListManager.IsDirectory() )
         {
-            ConnLessProtocol.CreateCLEmptyMes ( TargetInetAddr );
+            ConnLessProtocol.CreateCLEmptyMes ( TargetInetAddr, nullptr );
         }
     }
 

src/serverlist.cpp

@@ -523,7 +523,7 @@ void CServerListManager::OnTimerPingServerInList()
     for ( int iIdx = 1; iIdx < iCurServerListSize; iIdx++ )
     {
         // send empty message to keep NAT port open at registered server
-        pConnLessProtocol->CreateCLEmptyMes ( ServerList[iIdx].HostAddr );
+        pConnLessProtocol->CreateCLEmptyMes ( ServerList[iIdx].HostAddr, nullptr );
     }
 }
 
@@ -925,7 +925,7 @@ void CServerListManager::OnTimerPingServers()
     {
         // send empty message to directory to keep NAT port open -> we do
         // not require any answer from the directory
-        pConnLessProtocol->CreateCLEmptyMes ( DirectoryAddress );
+        pConnLessProtocol->CreateCLEmptyMes ( DirectoryAddress, nullptr );
     }
 }
 

src/testbench.h

@@ -230,7 +230,7 @@ public slots:
             break;
 
         case 22: // PROTMESSID_CLM_EMPTY_MESSAGE
-            Protocol.CreateCLEmptyMes ( CurHostAddress );
+            Protocol.CreateCLEmptyMes ( CurHostAddress, nullptr );
             break;
 
         case 23: // PROTMESSID_CLM_DISCONNECTION