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static const char *RcsId = "$Id: utils_shut.cpp 22213 2013-03-07 14:32:56Z taurel $";
//+=============================================================================
//
// file : utils_shut.cpp
//
// description : C++ source for some methods of the Util class related
// to server shutdown
//
// project : TANGO
//
// author(s) : E.Taurel
//
// Copyright (C) : 2004,2005,2006,2007,2008,2009,2010,2011,2012,2013
// European Synchrotron Radiation Facility
// BP 220, Grenoble 38043
// FRANCE
//
// This file is part of Tango.
//
// Tango is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Tango is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Tango. If not, see <http://www.gnu.org/licenses/>.
//
// $Revision: 22213 $
//
//-=============================================================================
#if HAVE_CONFIG_H
#include <ac_config.h>
#endif
#include <tango.h>
#include <eventconsumer.h>
#include <eventsupplier.h>
extern omni_thread::key_t key_py_data;
namespace Tango
{
//+----------------------------------------------------------------------------
//
// method : Util::shutdown_server()
//
// description : This method sends command to the polling thread for
// all cmd/attr with polling configuration stored in db.
// This is done in separate thread in order to equally
// spread all the polled objects polling time on the
// smallest polling period.
//
//-----------------------------------------------------------------------------
void Util::shutdown_server()
{
//
// Stopping a device server means :
// - Mark the server as shutting down
// - Send kill command to the polling thread
// - Join with this polling thread
// - Unregister server in database
// - Delete devices (except the admin one)
// - Stop the KeepAliveThread and the EventConsumer Thread when
// they have been started to receive events
// - Force writing file database in case of
// - Shutdown the ORB
// - Cleanup Logging
//
set_svr_shutting_down(true);
//
// send the exit command to all the polling threads in the pool
//
stop_all_polling_threads();
stop_heartbeat_thread();
clr_heartbeat_th_ptr();
//
// Unregister the server in the database
//
try
{
unregister_server();
}
catch(...) {}
//
// Delete the devices (except the admin one)
// Protect python data
//
omni_thread::value_t *tmp_py_data = omni_thread::self()->get_value(key_py_data);
PyLock *lock_ptr = (static_cast<PyData *>(tmp_py_data))->PerTh_py_lock;
lock_ptr->Get();
get_dserver_device()->delete_devices();
lock_ptr->Release();
//
// Stop the KeepAliveThread and the EventConsumer thread when
// they have been started to receive events.
//
ApiUtil *au = ApiUtil::instance();
if (au->is_notifd_event_consumer_created() == true)
{
NotifdEventConsumer *ec = ApiUtil::instance()->get_notifd_event_consumer();
if (ec != NULL)
ec->shutdown();
}
if (au->is_zmq_event_consumer_created() == true)
{
ZmqEventConsumer *ec = ApiUtil::instance()->get_zmq_event_consumer();
if (ec != NULL)
ec->shutdown();
}
//
// Disconnect the server from the notifd, when it was connected
//
NotifdEventSupplier *ev = get_notifd_event_supplier();
if (ev != NULL)
ev->disconnect_from_notifd();
//
// Delete ZmqEventSupplier
//
ZmqEventSupplier *zev = get_zmq_event_supplier();
delete zev;
//
// Close access to file database when used
//
if (_FileDb == true)
{
Database *db_ptr = get_database();
db_ptr->write_filedatabase();
delete db_ptr;
cout4 << "Database object deleted" << endl;
}
//
// If the server uses its own event loop, do not call it any more
//
if (is_server_event_loop_set())
set_shutdown_server(true);
//
// Shutdown the ORB
//
cout4 << "Going to shutdown ORB" << endl;
CORBA::ORB_ptr loc_orb = get_orb();
loc_orb->shutdown(true);
cout4 << "ORB shutdown" << endl;
#ifdef TANGO_HAS_LOG4TANGO
// clean-up the logging system
Logging::cleanup();
cout4 << "Logging cleaned-up" << endl;
#endif
}
} // End of Tango namespace
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