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/*
Copyright (c) 2006-2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _GLUSTERD_HA_H_
#define _GLUSTERD_HA_H_
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <pthread.h>
#include "uuid.h"
#include "glusterfs.h"
#include "xlator.h"
#include "logging.h"
#include "call-stub.h"
#include "fd.h"
#include "byte-order.h"
#include "glusterd.h"
#include "rpcsvc.h"
typedef enum glusterd_store_ver_ac_{
GLUSTERD_VOLINFO_VER_AC_NONE = 0,
GLUSTERD_VOLINFO_VER_AC_INCREMENT = 1,
} glusterd_volinfo_ver_ac_t;
#define GLUSTERD_STORE_UUID_KEY "UUID"
#define GLUSTERD_STORE_KEY_VOL_TYPE "type"
#define GLUSTERD_STORE_KEY_VOL_COUNT "count"
#define GLUSTERD_STORE_KEY_VOL_STATUS "status"
#define GLUSTERD_STORE_KEY_VOL_PORT "port"
#define GLUSTERD_STORE_KEY_VOL_SUB_COUNT "sub_count"
#define GLUSTERD_STORE_KEY_VOL_BRICK "brick"
#define GLUSTERD_STORE_KEY_VOL_VERSION "version"
#define GLUSTERD_STORE_KEY_VOL_TRANSPORT "transport-type"
#define GLUSTERD_STORE_KEY_VOL_ID "volume-id"
#define GLUSTERD_STORE_KEY_BRICK_HOSTNAME "hostname"
#define GLUSTERD_STORE_KEY_BRICK_PATH "path"
#define GLUSTERD_STORE_KEY_BRICK_PORT "listen-port"
#define GLUSTERD_STORE_KEY_PEER_UUID "uuid"
#define GLUSTERD_STORE_KEY_PEER_HOSTNAME "hostname"
#define GLUSTERD_STORE_KEY_PEER_STATE "state"
#define glusterd_for_each_entry(entry, dir) \
do {\
entry = NULL;\
if (dir) {\
entry = readdir (dir);\
while (entry && (!strcmp (entry->d_name, ".") ||\
!strcmp (entry->d_name, ".."))) {\
entry = readdir (dir);\
}\
}\
} while (0); \
typedef enum {
GD_STORE_SUCCESS,
GD_STORE_KEY_NULL,
GD_STORE_VALUE_NULL,
GD_STORE_KEY_VALUE_NULL,
GD_STORE_EOF,
GD_STORE_ENOMEM
} glusterd_store_op_errno_t;
int32_t
glusterd_store_volinfo (glusterd_volinfo_t *volinfo, glusterd_volinfo_ver_ac_t ac);
int32_t
glusterd_store_delete_volume (glusterd_volinfo_t *volinfo);
int32_t
glusterd_store_uuid ();
int32_t
glusterd_store_handle_new (char *path, glusterd_store_handle_t **handle);
int32_t
glusterd_store_save_value (int fd, char *key, char *value);
int32_t
glusterd_store_retrieve_value (glusterd_store_handle_t *handle,
char *key, char **value);
int32_t
glusterd_retrieve_uuid ();
int32_t
glusterd_store_peerinfo (glusterd_peerinfo_t *peerinfo);
int32_t
glusterd_store_delete_peerinfo (glusterd_peerinfo_t *peerinfo);
int32_t
glusterd_store_delete_brick (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo);
int32_t
glusterd_store_handle_destroy (glusterd_store_handle_t *handle);
int32_t
glusterd_restore ();
void
glusterd_perform_volinfo_version_action (glusterd_volinfo_t *volinfo,
glusterd_volinfo_ver_ac_t ac);
#endif
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