/*
   Copyright 2014-present Facebook. All Rights Reserved

   This file is part of GlusterFS.

   Author :
   Shreyas Siravara <shreyas.siravara@gmail.com>

   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 _NETGROUPS_H
#define _NETGROUPS_H

#include "nfs-mem-types.h"
#include <glusterfs/dict.h>
#include "nfs.h"

#define GF_NG GF_NFS "-netgroup"

#define NG_FILE_PARSE_REGEX "([a-zA-Z0-9.(,)-]+)"
#define NG_HOST_PARSE_REGEX "([a-zA-Z0-9.-]+)"

struct netgroup_host {
    char *hostname; /* Hostname of entry */
    char *user;     /* User field in the entry */
    char *domain;   /* Domain field in the entry */
};

struct netgroup_entry {
    char *netgroup_name;    /* Name of the netgroup */
    dict_t *netgroup_ngs;   /* Dict of netgroups in this netgroup */
    dict_t *netgroup_hosts; /* Dict of hosts in this netgroup. */
};

struct netgroups_file {
    char *filename;       /* Filename on disk */
    dict_t *ng_file_dict; /* Dict of netgroup entries */
};

struct netgroups_file *
ng_file_parse(const char *filepath);

struct netgroup_entry *
ng_file_get_netgroup(const struct netgroups_file *ngfile, const char *netgroup);

void
ng_file_deinit(struct netgroups_file *ngfile);

#endif /* _NETGROUPS_H */