Go4TaskHandlerExample/TGo4ControllerRunnable.cxx

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// $Id: TGo4ControllerRunnable.cxx 999 2013-07-25 11:58:59Z linev $
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum für 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"
#include "TGo4ExampleController.h"

const UInt_t TGo4ControllerRunnable::fguCOMMANDINTERVAL=10000;

TGo4ControllerRunnable::TGo4ControllerRunnable(const char* name, TGo4ExampleServer* serv)
: TGo4Runnable(name,serv)
{
   GO4TRACE((15,"TGo4ControllerRunnable::TGo4ControllerRunnable(const char*,TGo4ExampleServer*) constructor",__LINE__, __FILE__));
   fxController=serv->GetController();
   fxServer=serv;
}

TGo4ControllerRunnable::~TGo4ControllerRunnable()
{
   GO4TRACE((15,"TGo4ControllerRunnable::~TGo4ControllerRunnable() destructor",__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==0)
      {
         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;

}