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static const char *RcsId = "$Header: /home/cvsadm/cvsroot/fermi/servers/hdb++/hdb++es/src/SubscribeThread.cpp,v 1.6 2014-03-06 15:21:43 graziano Exp $";
//+=============================================================================
//
// file : HdbEventHandler.cpp
//
// description : C++ source for thread management
// project : TANGO Device Server
//
// $Author: graziano $
//
// $Revision: 1.6 $
//
// $Log: SubscribeThread.cpp,v $
// Revision 1.6 2014-03-06 15:21:43 graziano
// StartArchivingAtStartup,
// start_all and stop_all,
// archiving of first event received at subscribe
//
// Revision 1.5 2014-02-20 14:59:02 graziano
// name and path fixing
// removed start acquisition from add
//
// Revision 1.4 2013-09-24 08:42:21 graziano
// bug fixing
//
// Revision 1.3 2013-09-02 12:13:22 graziano
// cleaned
//
// Revision 1.2 2013-08-23 10:04:53 graziano
// development
//
// Revision 1.1 2013-07-17 13:37:43 graziano
// *** empty log message ***
//
//
//
// copyleft : European Synchrotron Radiation Facility
// BP 220, Grenoble 38043
// FRANCE
//
//-=============================================================================
{
//=============================================================================
//=============================================================================
SubscribeThread::SubscribeThread(AlarmHandler *dev):Tango::LogAdapter(dev)
shared = dev->events;
}
//=============================================================================
//=============================================================================
void SubscribeThread::updateProperty()
{
shared->put_signal_property();
}
//=============================================================================
//=============================================================================
void *SubscribeThread::run_undetached(void *ptr)
{
INFO_STREAM << "SubscribeThread id="<<omni_thread::self()->id()<<endl;
while(shared->get_if_stop()==false)
{
// Try to subscribe
usleep(500000); //TODO: try to delay a bit subscribe_events
if(shared->get_if_stop())
break;
DEBUG_STREAM << "SubscribeThread::"<<__func__<<": AWAKE"<<endl;
updateProperty();
alarm_dev->events->subscribe_events();
int nb_to_subscribe = shared->nb_sig_to_subscribe();
shared->check_signal_property(); //check if, while subscribing, new alarms to be saved in properties where added (update action)
// And wait a bit before next time or
// wait a long time if all signals subscribed
{
omni_mutex_lock sync(*shared);
//shared->lock();
int act=shared->action.load();
if (nb_to_subscribe==0 && act == NOTHING)
{
DEBUG_STREAM << "SubscribeThread::"<<__func__<<": going to wait nb_to_subscribe=0"<<endl;
//shared->condition.wait();
shared->wait();
//shared->wait(3*period*1000);
}
else if(shared->action == NOTHING)
{
DEBUG_STREAM << "SubscribeThread::"<<__func__<<": going to wait period="<<period<<" nb_to_subscribe="<<nb_to_subscribe<<endl;
//unsigned long s,n;
//omni_thread::get_time(&s,&n,period,0);
//shared->condition.timedwait(s,n);
shared->wait(period*1000);
}
//shared->unlock();
}
}
//shared->unsubscribe_events();
INFO_STREAM <<"SubscribeThread::"<< __func__<<": exiting..."<<endl;
return NULL;
}
//=============================================================================
//=============================================================================
} // namespace