/*
 * Copyright (C) 2011 Stefan Sayer
 *
 * This file is part of SEMS, a free SIP media server.
 *
 * SEMS is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * For a license to use the SEMS software under conditions
 * other than those described here, or to purchase support for this
 * software, please contact iptel.org by e-mail at the following addresses:
 *    info@iptel.org
 *
 * SEMS 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "AmEventProcessingThread.h"
#include "log.h"

AmEventProcessingThread::AmEventProcessingThread()
  : AmEventQueue(this),
    processing_events(true)
{
}

AmEventProcessingThread::~AmEventProcessingThread() {
}

bool AmEventProcessingThread::police_event(AmEvent* ev) {
  // default: accept all events
  return true;
}

void AmEventProcessingThread::postEvent(AmEvent* ev) {
  if (police_event(ev)) {
    AmEventQueue::postEvent(ev);
  } else {
    DBG("dropping event [%p] due to policing\n", ev);
    delete ev;
  }
}

void AmEventProcessingThread::on_stop() {
  DBG("AmEventProcessingThread::on_stop\n");
}

void AmEventProcessingThread::run() {
  DBG("AmEventProcessingThread running...\n");

  while (processing_events) {
    waitForEvent();
    processEvents();
  }

  DBG("AmEventProcessingThread stopping.\n");
}

void AmEventProcessingThread::stop_processing() {
  DBG("stop of event processing requested.\n");
  processing_events = false;
}

void AmEventProcessingThread::process(AmEvent* ev) {

  // check for shutdown
  if (ev->event_id == E_SYSTEM) {
    AmSystemEvent* sys_ev = dynamic_cast<AmSystemEvent*>(ev);
    if(sys_ev){	
      DBG("received system Event\n");
      if (sys_ev->sys_event == AmSystemEvent::ServerShutdown) {
	DBG("received system Event: ServerShutdown. Stopping event processing.\n");
	processing_events = false;
      }
    }
  }

  onEvent(ev);
}