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/**
* @file
* @author 2012-2014 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program 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.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#include "EventBase.h"
namespace uscxml {
std::map<std::string, boost::weak_ptr<EventBase> > EventBase::_eventBases;
tthread::recursive_mutex EventBase::_instanceMutex;
boost::shared_ptr<EventBase> EventBase::get(const std::string& name) {
tthread::lock_guard<tthread::recursive_mutex> lock(_instanceMutex);
std::map<std::string, boost::weak_ptr<EventBase> >::iterator instIter = _eventBases.begin();
while(instIter != _eventBases.end()) {
if (!instIter->second.lock()) {
_eventBases.erase(instIter++);
} else {
instIter++;
}
}
instIter = _eventBases.find(name);
boost::shared_ptr<EventBase> instance = instIter->second.lock();
if (instance)
return instance;
instance = boost::shared_ptr<EventBase>(new EventBase());
_eventBases.insert(std::make_pair(name, instance));
return instance;
}
EventBase::EventBase() {
base = event_base_new();
_isStarted = true;
_thread = new tthread::thread(EventBase::run, this);
}
void EventBase::run(void* arg) {
EventBase* INSTANCE = (EventBase*)arg;
int result;
while(INSTANCE->_isStarted) {
result = event_base_loop(INSTANCE->base, EVLOOP_NO_EXIT_ON_EMPTY);
(void)result;
}
}
EventBase::~EventBase() {
_isStarted = false;
event_base_loopbreak(base);
_thread->join();
event_base_free(base);
delete _thread;
}
}
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