/usr/include/glusterfs/gfdb/gfdb_data_store_helper.h is in glusterfs-common 3.8.8-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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 __GFDB_DATA_STORE_HELPER_H
#define __GFDB_DATA_STORE_HELPER_H
#include <time.h>
#include <sys/time.h>
#include <string.h>
#include <fcntl.h>
#include "common-utils.h"
#include "compat-uuid.h"
#include "gfdb_mem-types.h"
#include "dict.h"
#include "byte-order.h"
#include "libglusterfs-messages.h"
#define GFDB_DATA_STORE "gfdbdatastore"
/*******************************************************************************
*
* Query related data structure and functions
*
* ****************************************************************************/
#ifdef NAME_MAX
#define GF_NAME_MAX NAME_MAX
#else
#define GF_NAME_MAX 255
#endif
/*Structure to hold the link information*/
typedef struct gfdb_link_info {
uuid_t pargfid;
char file_name[GF_NAME_MAX];
struct list_head list;
} gfdb_link_info_t;
/*Structure used for querying purpose*/
typedef struct gfdb_query_record {
uuid_t gfid;
/*This is the hardlink list*/
struct list_head link_list;
int link_count;
} gfdb_query_record_t;
/*Create a single link info structure*/
gfdb_link_info_t *gfdb_link_info_new ();
typedef gfdb_link_info_t *(*gfdb_link_info_new_t) ();
/*Destroy a link info structure*/
void
gfdb_link_info_free (gfdb_link_info_t *gfdb_link_info);
typedef void
(*gfdb_link_info_free_t) (gfdb_link_info_t *gfdb_link_info);
/* Function to create the query_record */
gfdb_query_record_t *
gfdb_query_record_new();
typedef gfdb_query_record_t *
(*gfdb_query_record_new_t)();
/* Fuction to add linkinfo to query record */
int
gfdb_add_link_to_query_record (gfdb_query_record_t *gfdb_query_record,
uuid_t pgfid,
char *base_name);
typedef int
(*gfdb_add_link_to_query_record_t) (gfdb_query_record_t *, uuid_t, char *);
/*Function to destroy query record*/
void
gfdb_query_record_free (gfdb_query_record_t *gfdb_query_record);
typedef void
(*gfdb_query_record_free_t) (gfdb_query_record_t *);
/* Function to write query record to file */
int
gfdb_write_query_record (int fd,
gfdb_query_record_t *gfdb_query_record);
typedef int
(*gfdb_write_query_record_t) (int, gfdb_query_record_t *);
/* Function to read query record from file.
* Allocates memory to query record and return 0 when successful
* Return -1 when failed.
* Return 0 when EOF.
* */
int
gfdb_read_query_record (int fd,
gfdb_query_record_t **gfdb_query_record);
typedef int
(*gfdb_read_query_record_t) (int, gfdb_query_record_t **);
#endif
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