making sure that the client connect loop and server accept is stopped early at ndbd shutdown

ndb/src/kernel/main.cpp

@@ -183,11 +183,9 @@ int main(int argc, char** argv)
     assert("Illegal state globalData.theRestartFlag" == 0);
   }
 
-  SocketServer socket_server;
-
   globalTransporterRegistry.startSending();
   globalTransporterRegistry.startReceiving();
-  if (!globalTransporterRegistry.start_service(socket_server)){
+  if (!globalTransporterRegistry.start_service(*globalEmulatorData.m_socket_server)){
     ndbout_c("globalTransporterRegistry.start_service() failed");
     exit(-1);
   }
@@ -199,7 +197,7 @@ int main(int argc, char** argv)
 
   globalEmulatorData.theWatchDog->doStart();
   
-  socket_server.startServer();
+  globalEmulatorData.m_socket_server->startServer();
 
   //  theConfig->closeConfiguration();
 
@@ -207,11 +205,6 @@ int main(int argc, char** argv)
   
   NdbShutdown(NST_Normal);
 
-  socket_server.stopServer();
-  socket_server.stopSessions();
-
-  globalTransporterRegistry.stop_clients();
-
   return NRT_Default;
 }
 

ndb/src/kernel/vm/Emulator.cpp

@@ -68,6 +68,7 @@ EmulatorData::EmulatorData(){
   theThreadConfig  = 0;
   theSimBlockList  = 0;
   theShutdownMutex = 0;
+  m_socket_server = 0;
 }
 
 void
@@ -83,6 +84,7 @@ EmulatorData::create(){
   theWatchDog      = new WatchDog();
   theThreadConfig  = new ThreadConfig();
   theSimBlockList  = new SimBlockList();
+  m_socket_server  = new SocketServer();
 
   theShutdownMutex = NdbMutex_Create();
 
@@ -99,7 +101,8 @@ EmulatorData::destroy(){
     delete theThreadConfig; theThreadConfig = 0;
   if(theSimBlockList)
     delete theSimBlockList; theSimBlockList = 0;
-  
+  if(m_socket_server)
+    delete m_socket_server; m_socket_server = 0;
   NdbMem_Destroy();
 }
 
@@ -195,9 +198,22 @@ NdbShutdown(NdbShutdownType type,
       fclose(outputStream);
 #endif
     
+    /**
+     * Stop all transporter connection attempts and accepts
+     */
+    globalEmulatorData.m_socket_server->stopServer();
+    globalEmulatorData.m_socket_server->stopSessions();
+    globalTransporterRegistry.stop_clients();
+
+    /**
+     * Stop transporter communication with other nodes
+     */
     globalTransporterRegistry.stopSending();
     globalTransporterRegistry.stopReceiving();
     
+    /**
+     * Remove all transporters
+     */
     globalTransporterRegistry.removeAll();
     
 #ifdef VM_TRACE

ndb/src/kernel/vm/Emulator.hpp

@@ -55,6 +55,7 @@ struct EmulatorData {
   class WatchDog      * theWatchDog;
   class ThreadConfig  * theThreadConfig;
   class SimBlockList  * theSimBlockList;
+  class SocketServer  * m_socket_server;
 
   /**
    * Constructor