[thirdparty/squid.git] / src / DiskIO / DiskThreads / DiskThreadsIOStrategy.h

/*
 * Copyright (C) 1996-2021 The Squid Software Foundation and contributors
 *
 * Squid software is distributed under GPLv2+ license and includes
 * contributions from numerous individuals and organizations.
 * Please see the COPYING and CONTRIBUTORS files for details.
 */

/* DEBUG: section 79    Squid-side Disk I/O functions. */

#ifndef __STORE_DISKTHREADEDIOSTRATEGY_H__
#define __STORE_DISKTHREADEDIOSTRATEGY_H__

#define _AIO_OPEN   0
#define _AIO_READ   1
#define _AIO_WRITE  2
#define _AIO_CLOSE  3
#define _AIO_UNLINK 4
#define _AIO_OPENDIR    5
#define _AIO_STAT   6
#include "DiskIO/DiskIOStrategy.h"

class DiskThreadsIOStrategy : public DiskIOStrategy
{

public:
    DiskThreadsIOStrategy();
    virtual bool shedLoad();
    virtual int load();
    virtual RefCount<DiskFile> newFile(char const *path);
    virtual bool unlinkdUseful() const;
    virtual void unlinkFile (char const *);
    virtual int callback();
    virtual void sync();
    virtual void init();
    void done();
    /* Todo: add access limitations */
    bool initialised;
    static DiskThreadsIOStrategy Instance;

private:
    static void aioStats(StoreEntry * sentry);
    void registerWithCacheManager(void);
};

#endif
Commit	Line	Data
	1	/*
	2	* Copyright (C) 1996-2021 The Squid Software Foundation and contributors
	3	*
	4	* Squid software is distributed under GPLv2+ license and includes
	5	* contributions from numerous individuals and organizations.
	6	* Please see the COPYING and CONTRIBUTORS files for details.
	7	*/
	8
	9	/* DEBUG: section 79 Squid-side Disk I/O functions. */
	10
	11	#ifndef __STORE_DISKTHREADEDIOSTRATEGY_H__
	12	#define __STORE_DISKTHREADEDIOSTRATEGY_H__
	13
	14	#define _AIO_OPEN 0
	15	#define _AIO_READ 1
	16	#define _AIO_WRITE 2
	17	#define _AIO_CLOSE 3
	18	#define _AIO_UNLINK 4
	19	#define _AIO_OPENDIR 5
	20	#define _AIO_STAT 6
	21	#include "DiskIO/DiskIOStrategy.h"
	22
	23	class DiskThreadsIOStrategy : public DiskIOStrategy
	24	{
	25
	26	public:
	27	DiskThreadsIOStrategy();
	28	virtual bool shedLoad();
	29	virtual int load();
	30	virtual RefCount<DiskFile> newFile(char const *path);
	31	virtual bool unlinkdUseful() const;
	32	virtual void unlinkFile (char const *);
	33	virtual int callback();
	34	virtual void sync();
	35	virtual void init();
	36	void done();
	37	/* Todo: add access limitations */
	38	bool initialised;
	39	static DiskThreadsIOStrategy Instance;
	40
	41	private:
	42	static void aioStats(StoreEntry * sentry);
	43	void registerWithCacheManager(void);
	44	};
	45
	46	#endif
	47