diff options
Diffstat (limited to 'src/uscxml/concurrency')
-rw-r--r-- | src/uscxml/concurrency/DelayedEventQueue.cpp (renamed from src/uscxml/concurrency/eventqueue/DelayedEventQueue.cpp) | 0 | ||||
-rw-r--r-- | src/uscxml/concurrency/DelayedEventQueue.h (renamed from src/uscxml/concurrency/eventqueue/DelayedEventQueue.h) | 0 | ||||
-rw-r--r-- | src/uscxml/concurrency/EventBase.cpp | 74 | ||||
-rw-r--r-- | src/uscxml/concurrency/EventBase.h | 61 |
4 files changed, 135 insertions, 0 deletions
diff --git a/src/uscxml/concurrency/eventqueue/DelayedEventQueue.cpp b/src/uscxml/concurrency/DelayedEventQueue.cpp index 642c4a0..642c4a0 100644 --- a/src/uscxml/concurrency/eventqueue/DelayedEventQueue.cpp +++ b/src/uscxml/concurrency/DelayedEventQueue.cpp diff --git a/src/uscxml/concurrency/eventqueue/DelayedEventQueue.h b/src/uscxml/concurrency/DelayedEventQueue.h index 2248c47..2248c47 100644 --- a/src/uscxml/concurrency/eventqueue/DelayedEventQueue.h +++ b/src/uscxml/concurrency/DelayedEventQueue.h diff --git a/src/uscxml/concurrency/EventBase.cpp b/src/uscxml/concurrency/EventBase.cpp new file mode 100644 index 0000000..b5c1308 --- /dev/null +++ b/src/uscxml/concurrency/EventBase.cpp @@ -0,0 +1,74 @@ +/** + * @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> >::const_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; +} + +}
\ No newline at end of file diff --git a/src/uscxml/concurrency/EventBase.h b/src/uscxml/concurrency/EventBase.h new file mode 100644 index 0000000..22bd664 --- /dev/null +++ b/src/uscxml/concurrency/EventBase.h @@ -0,0 +1,61 @@ +/** + * @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 + */ + +#ifndef EVENTBASE_H_C479DA74 +#define EVENTBASE_H_C479DA74 + +#include "uscxml/Common.h" +#include "uscxml/concurrency/tinythread.h" + +extern "C" { +#include <event2/event.h> +#include <event2/buffer.h> +#include <event2/bufferevent.h> +} + +#include <boost/shared_ptr.hpp> +#include <boost/weak_ptr.hpp> +#include <map> +#include <string> + +namespace uscxml { + +class USCXML_API EventBase { +public: + EventBase(); + virtual ~EventBase(); + + static boost::shared_ptr<EventBase> get(const std::string& name); + struct event_base* base; + +protected: + + static void run(void*); + + tthread::thread* _thread; + bool _isStarted; + + static std::map<std::string, boost::weak_ptr<EventBase> > _eventBases; + static tthread::recursive_mutex _instanceMutex; + +}; + +} + +#endif /* end of include guard: EVENTBASE_H_C479DA74 */ |