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/**
* @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 cancelAllEvents();
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 */
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