/*
   Copyright (c) 2015 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 _QUOTA_COMMON_UTILS_H
#define _QUOTA_COMMON_UTILS_H

#include "glusterfs/iatt.h"

#define GF_QUOTA_CONF_VERSION 1.2
#define QUOTA_CONF_HEADER "GlusterFS Quota conf | version: v1.2\n"
#define QUOTA_CONF_HEADER_1_1 "GlusterFS Quota conf | version: v1.1\n"

typedef enum {
    GF_QUOTA_CONF_TYPE_USAGE = 1,
    GF_QUOTA_CONF_TYPE_OBJECTS
} gf_quota_conf_type_t;

struct _quota_limits {
    int64_t hl;
    int64_t sl;
} __attribute__((__packed__));
typedef struct _quota_limits quota_limits_t;

struct _quota_meta {
    int64_t size;
    int64_t file_count;
    int64_t dir_count;
} __attribute__((__packed__));
typedef struct _quota_meta quota_meta_t;

gf_boolean_t
quota_meta_is_null(const quota_meta_t *meta);

int32_t
quota_data_to_meta(data_t *data, quota_meta_t *meta);

int32_t
quota_dict_get_inode_meta(dict_t *dict, char *key, const int keylen,
                          quota_meta_t *meta);

int32_t
quota_dict_get_meta(dict_t *dict, char *key, const int keylen,
                    quota_meta_t *meta);

int32_t
quota_dict_set_meta(dict_t *dict, char *key, const quota_meta_t *meta,
                    ia_type_t ia_type);

int32_t
quota_conf_read_header(int fd, char *buf);

int32_t
quota_conf_read_version(int fd, float *version);

int32_t
quota_conf_read_gfid(int fd, void *buf, char *type, float version);

int32_t
quota_conf_skip_header(int fd);

#endif /* _QUOTA_COMMON_UTILS_H */