TGo4ControllerRunnable.cxx

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// $Id$
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------
 
#include "TGo4ControllerRunnable.h"
 
#include "TGo4Log.h"
#include "TGo4Thread.h"
#include "TGo4ExampleServer.h"
 
const UInt_t TGo4ControllerRunnable::fguCOMMANDINTERVAL=10000;
 
TGo4ControllerRunnable::TGo4ControllerRunnable(const char *name, TGo4ExampleServer* serv)
: TGo4Runnable(name,serv)
{
   GO4TRACE((15,"TGo4ControllerRunnable::TGo4ControllerRunnable(const char *,TGo4ExampleServer *)",__LINE__, __FILE__));
   fxController = serv->GetController();
   fxServer = serv;
}
 
TGo4ControllerRunnable::~TGo4ControllerRunnable()
{
   GO4TRACE((15,"TGo4ControllerRunnable::~TGo4ControllerRunnable()",__LINE__, __FILE__));
}
 
Int_t TGo4ControllerRunnable::Run(void *)
{
   GO4TRACE((12,"TGo4ControllerRunnable::Run()",__LINE__, __FILE__));
 
   // we have to update the queues according to the current task handler
   TGo4TaskHandler *currenttask = fxServer->GetCurrentTaskHandler();
   if (!currenttask) {
      GO4TRACE((11, "TGo4ControllerRunnable::Run()-- no current client existing", __LINE__, __FILE__));
      TGo4Thread::Sleep(fguCOMMANDINTERVAL); // wait before sending next command
      // no client has connected to server so far, we do nothing!
   } else {
      GO4TRACE((11, "TGo4ControllerRunnable::Run()-- working on client's taskhandler queues", __LINE__, __FILE__));
      // at least one client is there
      TGo4Thread::Sleep(fguCOMMANDINTERVAL); // wait before sending next command
      // send first command object created by controller:
      TGo4Command *com = fxController->GetCommand(); // command from controller instance, may poll here
      fxServer->SubmitCommand(com);                  // send controller command to client
      // send second command object by name:
      fxServer->SubmitCommand("EXAction2");   // send command by name
      TObject *data = fxServer->NextObject(); // get data from client
      fxController->DisplayData(data);        // display data here on gui
   }
   return 0;
}