Added instant messaging invoker

2 files changed, 37 insertions, 0 deletions

diff --git a/src/uscxml/concurrency/eventqueue/DelayedEventQueue.cpp b/src/uscxml/concurrency/eventqueue/DelayedEventQueue.cpp
index 14028fa..cbb82eb 100644
--- a/src/uscxml/concurrency/eventqueue/DelayedEventQueue.cpp
+++ b/src/uscxml/concurrency/eventqueue/DelayedEventQueue.cpp
@@ -1,6 +1,7 @@
 #include "DelayedEventQueue.h"
 #include <assert.h>
 #include <event2/event.h>
+#include <sstream>
 
 namespace uscxml {
 
@@ -36,6 +37,27 @@ void DelayedEventQueue::run(void* instance) {
 	}
 }
 
+void DelayedEventQueue::addEvent(std::string eventId, int fd, short opMask, void (*callback)(void*, const std::string eventId), void* userData, bool persist) {
+	if(_callbackData.find(eventId) != _callbackData.end()) {
+		cancelEvent(eventId);
+	}
+
+	if (persist)
+		opMask |= EV_PERSIST;
+
+	struct event* event = event_new(_eventLoop, fd, opMask, DelayedEventQueue::fileCallback, &_callbackData[eventId]);
+
+	_callbackData[eventId].eventId = eventId;
+	_callbackData[eventId].userData = userData;
+	_callbackData[eventId].eventQueue = this;
+	_callbackData[eventId].callback = callback;
+	_callbackData[eventId].event = event;
+	_callbackData[eventId].persist = false;
+	
+	event_add(event, NULL);
+
+}
+
 void DelayedEventQueue::addEvent(std::string eventId, void (*callback)(void*, const std::string eventId), uint32_t delayMs, void* userData, bool persist) {
 	if(_callbackData.find(eventId) != _callbackData.end()) {
 		cancelEvent(eventId);
@@ -83,6 +105,13 @@ void DelayedEventQueue::stop() {
 void DelayedEventQueue::dummyCallback(evutil_socket_t fd, short what, void *arg) {
 }
 
+void DelayedEventQueue::fileCallback(evutil_socket_t fd, short what, void *arg) {
+	struct callbackData *data = (struct callbackData*)arg;
+	tthread::lock_guard<tthread::recursive_mutex> lock(data->eventQueue->_mutex);
+	std::string eventId = data->eventId; // copy eventId
+	data->callback(data->userData, eventId);
+}
+
 void DelayedEventQueue::timerCallback(evutil_socket_t fd, short what, void *arg) {
 	struct callbackData *data = (struct callbackData*)arg;
 	tthread::lock_guard<tthread::recursive_mutex> lock(data->eventQueue->_mutex);
diff --git a/src/uscxml/concurrency/eventqueue/DelayedEventQueue.h b/src/uscxml/concurrency/eventqueue/DelayedEventQueue.h
index 7ce766b..0b72719 100644
--- a/src/uscxml/concurrency/eventqueue/DelayedEventQueue.h
+++ b/src/uscxml/concurrency/eventqueue/DelayedEventQueue.h
@@ -18,6 +18,12 @@ namespace uscxml {
 class DelayedEventQueue {
 public:
 
+	enum OpMask {
+		FD_READ = EV_READ,
+		FD_WRITE = EV_WRITE,
+		FD_SIGNAL = EV_SIGNAL
+	};
+	
 	struct callbackData {
 		void *userData;
 		void (*callback)(void*, const std::string eventId);
@@ -30,6 +36,7 @@ public:
 	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);
 
@@ -42,6 +49,7 @@ public:
 	}
 
 	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;