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/* -*- C++ -*- */
/****************************************************************************
** Copyright (c) 2001-2014
**
** This file is part of the QuickFIX FIX Engine
**
** This file may be distributed under the terms of the quickfixengine.org
** license as defined by quickfixengine.org and appearing in the file
** LICENSE included in the packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.quickfixengine.org/LICENSE for licensing information.
**
** Contact ask@quickfixengine.org if any conditions of this licensing are
** not clear to you.
**
****************************************************************************/
#ifndef FIX_QUEUE_H
#define FIX_QUEUE_H
#include "Event.h"
#include "Mutex.h"
#include "Utility.h"
#include <queue>
namespace FIX {
/// A thread safe monitored queue
template <typename T> class Queue {
public:
void push(const T &value) {
Locker locker(m_mutex);
m_queue.push(value);
signal();
}
bool pop(T &value) {
Locker locker(m_mutex);
if (!m_queue.size()) {
return false;
}
value = m_queue.front();
m_queue.pop();
return true;
}
int size() {
Locker locker(m_mutex);
return m_queue.size();
}
void wait(double s) { m_event.wait(s); }
void signal() { m_event.signal(); }
private:
Event m_event;
Mutex m_mutex;
std::queue<T> m_queue;
};
} // namespace FIX
#endif