mirror of https://github.com/Icinga/icinga2.git
104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
/******************************************************************************
|
|
* Icinga 2 *
|
|
* Copyright (C) 2012-2013 Icinga Development Team (http://www.icinga.org/) *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU General Public License *
|
|
* as published by the Free Software Foundation; either version 2 *
|
|
* of the License, or (at your option) any later version. *
|
|
* *
|
|
* 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. See the *
|
|
* GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program; if not, write to the Free Software Foundation *
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
|
|
******************************************************************************/
|
|
|
|
#ifndef WORKQUEUE_H
|
|
#define WORKQUEUE_H
|
|
|
|
#include "base/i2-base.h"
|
|
#include "base/timer.h"
|
|
#include <deque>
|
|
#include <boost/function.hpp>
|
|
#include <boost/thread/thread.hpp>
|
|
#include <boost/thread/mutex.hpp>
|
|
#include <boost/thread/condition_variable.hpp>
|
|
#include <boost/exception_ptr.hpp>
|
|
|
|
namespace icinga
|
|
{
|
|
|
|
typedef boost::function<void (void)> WorkCallback;
|
|
|
|
struct WorkItem
|
|
{
|
|
|
|
WorkCallback Callback;
|
|
bool AllowInterleaved;
|
|
};
|
|
|
|
/**
|
|
* A workqueue.
|
|
*
|
|
* @ingroup base
|
|
*/
|
|
class I2_BASE_API WorkQueue
|
|
{
|
|
public:
|
|
typedef boost::function<void (boost::exception_ptr)> ExceptionCallback;
|
|
|
|
WorkQueue(size_t maxItems = 25000);
|
|
~WorkQueue(void);
|
|
|
|
void Enqueue(const WorkCallback& callback, bool allowInterleaved = false);
|
|
void Join(bool stop = false);
|
|
|
|
boost::thread::id GetThreadId(void) const;
|
|
|
|
void SetExceptionCallback(const ExceptionCallback& callback);
|
|
|
|
private:
|
|
int m_ID;
|
|
static int m_NextID;
|
|
|
|
boost::mutex m_Mutex;
|
|
boost::condition_variable m_CVEmpty;
|
|
boost::condition_variable m_CVFull;
|
|
boost::condition_variable m_CVStarved;
|
|
boost::thread m_Thread;
|
|
size_t m_MaxItems;
|
|
bool m_Stopped;
|
|
std::deque<WorkItem> m_Items;
|
|
ExceptionCallback m_ExceptionCallback;
|
|
Timer::Ptr m_StatusTimer;
|
|
|
|
void ProcessItems(boost::mutex::scoped_lock& lock, bool interleaved);
|
|
void WorkerThreadProc(void);
|
|
void StatusTimerHandler(void);
|
|
|
|
static void DefaultExceptionCallback(boost::exception_ptr exp);
|
|
};
|
|
|
|
class I2_BASE_API ParallelWorkQueue
|
|
{
|
|
public:
|
|
ParallelWorkQueue(void);
|
|
~ParallelWorkQueue(void);
|
|
|
|
void Enqueue(const boost::function<void(void)>& callback);
|
|
void Join(void);
|
|
|
|
private:
|
|
unsigned int m_QueueCount;
|
|
WorkQueue *m_Queues;
|
|
unsigned int m_Index;
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* WORKQUEUE_H */
|