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Diffstat (limited to 'src/uscxml/concurrency/DelayedEventQueue.h')
-rw-r--r-- | src/uscxml/concurrency/DelayedEventQueue.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/uscxml/concurrency/DelayedEventQueue.h b/src/uscxml/concurrency/DelayedEventQueue.h new file mode 100644 index 0000000..2248c47 --- /dev/null +++ b/src/uscxml/concurrency/DelayedEventQueue.h @@ -0,0 +1,85 @@ +/** + * @file + * @author 2012-2013 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 DELAYEDEVENTQUEUE_H_JA6WRBVP +#define DELAYEDEVENTQUEUE_H_JA6WRBVP + +#include "uscxml/concurrency/tinythread.h" + + +#include "uscxml/Common.h" +#include "event2/util.h" // for evutil_socket_t +#include <event2/event.h> + +#include <inttypes.h> + +#include <map> +#include <string> + +namespace uscxml { + +class USCXML_API DelayedEventQueue { +public: + + enum OpMask { + DEQ_READ = EV_READ, + DEQ_WRITE = EV_WRITE, + DEQ_SIGNAL = EV_SIGNAL + }; + + struct callbackData { + void *userData; + void (*callback)(void*, const std::string eventId); + std::string eventId; + bool persist; + struct event *event; + DelayedEventQueue* eventQueue; + }; + + DelayedEventQueue(); + virtual ~DelayedEventQueue(); + + void addEvent(std::string eventId, int fd, short opMask, void (*callback)(void*, const std::string eventId), void* userData, bool persist = true); + void addEvent(std::string eventId, void (*callback)(void*, const std::string eventId), uint32_t delayMs, void* userData, bool persist = false); + void cancelEvent(std::string eventId); + + void start(); + void stop(); + static void run(void*); + + bool isEmpty() { + return _callbackData.empty(); + } + + static void timerCallback(evutil_socket_t fd, short what, void *arg); + static void fileCallback(evutil_socket_t fd, short what, void *arg); + static void dummyCallback(evutil_socket_t fd, short what, void *arg); + + bool _isStarted; + tthread::thread* _thread; + tthread::recursive_mutex _mutex; + + std::map<std::string, callbackData> _callbackData; + struct event_base* _eventLoop; +}; + +} + + +#endif /* end of include guard: DELAYEDEVENTQUEUE_H_JA6WRBVP */ |