GSI Object Oriented Online Offline (Go4): Go4TaskHandlerExample/TGo4WatchRunnable.cxx Source File

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00001 // $Id: TGo4WatchRunnable.cxx 1001 2013-07-25 15:10:31Z linev $
00002 //-----------------------------------------------------------------------
00003 //       The GSI Online Offline Object Oriented (Go4) Project
00004 //         Experiment Data Processing at EE department, GSI
00005 //-----------------------------------------------------------------------
00006 // Copyright (C) 2000- GSI Helmholtzzentrum f�r Schwerionenforschung GmbH
00007 //                     Planckstr. 1, 64291 Darmstadt, Germany
00008 // Contact:            http://go4.gsi.de
00009 //-----------------------------------------------------------------------
00010 // This software can be used under the license agreements as stated
00011 // in Go4License.txt file which is part of the distribution.
00012 //-----------------------------------------------------------------------
00013 
00014 #include "TGo4WatchRunnable.h"
00015 
00016 #include "TGo4Log.h"
00017 #include "TGo4Thread.h"
00018 #include "TGo4ClientStatus.h"
00019 
00020 const UInt_t TGo4WatchRunnable::fguWATCHINTERVAL=5000;
00021 
00022 TGo4WatchRunnable::TGo4WatchRunnable(const char* name, TGo4ExampleClient* cli)
00023 : TGo4Runnable(name,cli)
00024 {
00025    GO4TRACE((15,"TGo4WatchRunnable::TGo4WatchRunnable(const char*,TGo4ExampleClient*) constructor",__LINE__, __FILE__));
00026    fxApplication=cli->GetApplication();
00027 }
00028 
00029 TGo4WatchRunnable::~TGo4WatchRunnable()
00030 {
00031   GO4TRACE((15,"TGo4WatchRunnable::~TGo4WatchRunnable() destructor",__LINE__, __FILE__));
00032 
00033 }
00034 
00035 Int_t TGo4WatchRunnable::Run(void*)
00036 {
00037    GO4TRACE((12,"TGo4WatchRunnable::Run()",__LINE__, __FILE__));
00038    TGo4ClientTask* cli= dynamic_cast<TGo4ClientTask*> (fxManager);
00039    if(cli)
00040    {
00041       cli->UpdateStatusBuffer(); // will create status object and stream it into TBuffer
00042       cli->SendStatusBuffer();   // send TBuffer with most recent client status
00043        // note: updating and sending of status buffer may be separated
00044        // into different threads. Updating aquires main mutex, sending usually
00045        // works without main mutex.
00046    if(fxApplication)
00047       {
00048          cli->SendStatusMessage(1,kTRUE,TString::Format(
00049                "Application %s of client %s has been watched",
00050                 fxApplication->GetName(), cli->GetName()));
00051          // method to pass text messages of priorities 0,1,2
00052          // (info, warning, error) to the server. kTRUE means additional local printout
00053       }
00054    }
00055    TGo4Thread::Sleep(fguWATCHINTERVAL); // wait for the next update
00056    return 0;
00057 }