/*
  Copyright (c) 2008-2012 Red Hat, Inc. <http://www.redhat.com>
  This file is part of GlusterFS.

  This file is licensed to you under your choice of the GNU Lesser
  General Public License, version 3 or any later version (LGPLv3 or
  later), or the GNU General Public License, version 2 (GPLv2), in all
  cases as published by the Free Software Foundation.
*/

#ifndef __QUICK_READ_H
#define __QUICK_READ_H

#include "glusterfs.h"
#include "logging.h"
#include "dict.h"
#include "xlator.h"
#include "list.h"
#include "compat.h"
#include "compat-errno.h"
#include "common-utils.h"
#include "call-stub.h"
#include "defaults.h"
#include <libgen.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <fnmatch.h>
#include "quick-read-mem-types.h"


struct qr_inode {
	void             *data;
	size_t            size;
        int               priority;
	uint32_t          ia_mtime;
	uint32_t          ia_mtime_nsec;
	struct iatt       buf;
        struct timeval    last_refresh;
        struct list_head  lru;
};
typedef struct qr_inode qr_inode_t;


struct qr_priority {
        char             *pattern;
        int32_t           priority;
        struct list_head  list;
};
typedef struct qr_priority qr_priority_t;

struct qr_conf {
        uint64_t         max_file_size;
        int32_t          cache_timeout;
        uint64_t         cache_size;
        int              max_pri;
        gf_boolean_t     qr_invalidation;
        struct list_head priority_list;
};
typedef struct qr_conf qr_conf_t;

struct qr_inode_table {
        uint64_t          cache_used;
        struct list_head *lru;
        gf_lock_t         lock;
};
typedef struct qr_inode_table qr_inode_table_t;

struct qr_statistics {
        gf_atomic_t cache_hit;
        gf_atomic_t cache_miss;
        gf_atomic_t file_data_invals; /* No. of invalidates received from upcall */
};

struct qr_private {
        qr_conf_t         conf;
        qr_inode_table_t  table;
        time_t last_child_down;
        gf_lock_t lock;
        struct qr_statistics qr_counter;
};
typedef struct qr_private qr_private_t;


#endif /* #ifndef __QUICK_READ_H */