/*
   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 __CTR_XLATOR_CTX_H
#define __CTR_XLATOR_CTX_H

#include <glusterfs/xlator.h>
#include "ctr_mem_types.h"
#include <glusterfs/iatt.h>
#include <glusterfs/glusterfs.h>
#include <glusterfs/xlator.h>
#include <glusterfs/logging.h>
#include <glusterfs/locking.h>
#include <glusterfs/common-utils.h>
#include <time.h>
#include <sys/time.h>

typedef struct ctr_hard_link {
    uuid_t pgfid;
    char *base_name;
    /* Hardlink expiry : Defines the expiry period after which a
     * database heal is attempted. */
    uint64_t hardlink_heal_period;
    struct list_head list;
} ctr_hard_link_t;

typedef struct ctr_xlator_ctx {
    /* This represents the looked up hardlinks
     * NOTE: This doesn't represent all physical hardlinks of the inode*/
    struct list_head hardlink_list;
    uint64_t inode_heal_period;
    gf_lock_t lock;
} ctr_xlator_ctx_t;

ctr_hard_link_t *
ctr_search_hard_link_ctx(xlator_t *this, ctr_xlator_ctx_t *ctr_xlator_ctx,
                         uuid_t pgfid, const char *base_name);

int
ctr_add_hard_link(xlator_t *this, ctr_xlator_ctx_t *ctr_xlator_ctx,
                  uuid_t pgfid, const char *base_name);

int
ctr_delete_hard_link(xlator_t *this, ctr_xlator_ctx_t *ctr_xlator_ctx,
                     uuid_t pgfid, const char *base_name);

int
ctr_update_hard_link(xlator_t *this, ctr_xlator_ctx_t *ctr_xlator_ctx,
                     uuid_t pgfid, const char *base_name, uuid_t old_pgfid,
                     const char *old_base_name);

ctr_xlator_ctx_t *
get_ctr_xlator_ctx(xlator_t *this, inode_t *inode);

ctr_xlator_ctx_t *
init_ctr_xlator_ctx(xlator_t *this, inode_t *inode);

void
fini_ctr_xlator_ctx(xlator_t *this, inode_t *inode);

#endif