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/*
* Copyright (c) 2010 Soren Dreijer
* Licensed under the simplified BSD license.
* See Documentation/Licenses/BSD-simplified.txt for more information.
*/
#include "Swiften/EventLoop/SingleThreadedEventLoop.h"
#include <boost/bind.hpp>
#include <iostream>
#include "Swiften/Base/foreach.h"
namespace Swift {
SingleThreadedEventLoop::SingleThreadedEventLoop()
: shouldShutDown_(false)
{
}
SingleThreadedEventLoop::~SingleThreadedEventLoop() {
if (!events_.empty()) {
std::cerr << "Warning: Pending events in SingleThreadedEventLoop at destruction time." << std::endl;
}
}
void SingleThreadedEventLoop::waitForEvents() {
boost::unique_lock<boost::mutex> lock(eventsMutex_);
while (events_.empty() && !shouldShutDown_) {
eventsAvailable_.wait(lock);
}
if (shouldShutDown_)
throw EventLoopCanceledException();
}
void SingleThreadedEventLoop::handleEvents() {
// Make a copy of the list of events so we don't block any threads that post
// events while we process them.
std::vector<Event> events;
{
boost::unique_lock<boost::mutex> lock(eventsMutex_);
events.swap(events_);
}
// Loop through all the events and handle them
foreach(const Event& event, events) {
handleEvent(event);
}
}
void SingleThreadedEventLoop::stop() {
boost::unique_lock<boost::mutex> lock(eventsMutex_);
shouldShutDown_ = true;
eventsAvailable_.notify_one();
}
void SingleThreadedEventLoop::post(const Event& event) {
boost::lock_guard<boost::mutex> lock(eventsMutex_);
events_.push_back(event);
eventsAvailable_.notify_one();
}
} // namespace Swift
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Swift