// $Id$
//-----------------------------------------------------------------------
//       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 "TGo4TaskOwner.h"

#include <iostream>

#include "TGo4Log.h"
#include "TGo4ServerTask.h"
#include "TGo4TaskManager.h"
#include "TGo4ClientTask.h"


TGo4TaskOwner::TGo4TaskOwner() :
   TGo4CommandReceiver(),
   fxTask(nullptr),
   fbServerMode(kTRUE)
{
}

TGo4TaskOwner::TGo4TaskOwner(Bool_t isserver) :
   TGo4CommandReceiver(),
   fxTask(nullptr),
   fbServerMode(isserver)
{
}

TGo4TaskOwner::~TGo4TaskOwner()
{
   if(fxTask)
      fxTask->SetOwner(nullptr); // avoid the task to delete us again in dtor
   delete fxTask;
   fxTask = nullptr;
}

const char *TGo4TaskOwner::GetName() const
{
   return fxTask ? fxTask->GetName() : nullptr;
}

void TGo4TaskOwner::SetTask(TGo4Task* task, Bool_t delold)
{
   if(delold) delete fxTask;
   fxTask = task;
   if(fxTask) fxTask->SetOwner(this);
}

void TGo4TaskOwner::Quit()
{
   fxTask->Quit();
}

Int_t TGo4TaskOwner::StartWorkThreads()
{
   TGo4Log::Debug(" Task Owner: default StartWorkThreads() ");
   fxTask->SetWorkIsStopped(kFALSE);
   return 0;
}

Int_t TGo4TaskOwner::StopWorkThreads()
{
   TGo4Log::Debug(" Task Owner: default StopWorkThreads() ");
   fxTask->SetWorkIsStopped(kTRUE);
   return 0;
}

Bool_t TGo4TaskOwner::IsConnected()
{
   if(IsServer()) {
      TGo4ServerTask *server = dynamic_cast<TGo4ServerTask *>(GetTask());
      if(!server) {
         std::cerr <<"NEVER COME HERE: servermode without servertask in taskowner "<< GetName() << std::endl;
         return kFALSE;
      }
      return server->GetCurrentTaskHandler() != nullptr;
   }

   TGo4ClientTask* client = dynamic_cast<TGo4ClientTask*>(GetTask());
   if(!client) {
       std::cerr <<"NEVER COME HERE: clientmode without clienttask in taskowner "<< GetName() << std::endl;
       return kFALSE;
   }
   return client->IsConnected();
}


Bool_t TGo4TaskOwner::IsBeingQuit()
{
   return fxTask ? fxTask->IsBeingQuit() : kFALSE;
}

TMutex *TGo4TaskOwner::GetTaskManagerMutex()
{
   if(IsServer()) {
      TGo4ServerTask *serv = dynamic_cast<TGo4ServerTask *>(GetTask());
      if(serv) return serv->GetTaskManager()->GetMutex();
   }
  return nullptr;
}