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/*
Copyright (c) 2006-2011 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 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _GLUSTERD_UTILS_H
#define _GLUSTERD_UTILS_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 "rpc-clnt.h"
#include "protocol-common.h"
struct glusterd_lock_ {
uuid_t owner;
time_t timestamp;
};
typedef struct glusterd_voldict_ctx_ {
dict_t *dict;
int count;
int opt_count;
char *key_name;
char *val_name;
} glusterd_voldict_ctx_t;
typedef int (*glusterd_condition_func) (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo,
void *ctx);
typedef struct glusterd_lock_ glusterd_lock_t;
int32_t
glusterd_get_lock_owner (uuid_t *cur_owner);
int32_t
glusterd_lock (uuid_t new_owner);
int32_t
glusterd_unlock (uuid_t owner);
int32_t
glusterd_get_uuid (uuid_t *uuid);
int
glusterd_submit_reply (rpcsvc_request_t *req, void *arg,
struct iovec *payload, int payloadcount,
struct iobref *iobref, xdrproc_t xdrproc);
int
glusterd_submit_request (struct rpc_clnt *rpc, void *req,
call_frame_t *frame, rpc_clnt_prog_t *prog,
int procnum, struct iobref *iobref,
xlator_t *this, fop_cbk_fn_t cbkfn, xdrproc_t xdrproc);
int32_t
glusterd_volinfo_new (glusterd_volinfo_t **volinfo);
gf_boolean_t
glusterd_check_volume_exists (char *volname);
int32_t
glusterd_brickinfo_new (glusterd_brickinfo_t **brickinfo);
int32_t
glusterd_brickinfo_from_brick (char *brick, glusterd_brickinfo_t **brickinfo);
int32_t
glusterd_friend_cleanup (glusterd_peerinfo_t *peerinfo);
int32_t
glusterd_peer_destroy (glusterd_peerinfo_t *peerinfo);
int32_t
glusterd_peer_hostname_new (char *hostname, glusterd_peer_hostname_t **name);
int32_t
glusterd_volinfo_find (char *volname, glusterd_volinfo_t **volinfo);
int32_t
glusterd_service_stop(const char *service, char *pidfile, int sig,
gf_boolean_t force_kill);
int32_t
glusterd_resolve_brick (glusterd_brickinfo_t *brickinfo);
int32_t
glusterd_volume_start_glusterfs (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo);
int32_t
glusterd_volume_stop_glusterfs (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo);
int32_t
glusterd_volinfo_delete (glusterd_volinfo_t *volinfo);
int32_t
glusterd_brickinfo_delete (glusterd_brickinfo_t *brickinfo);
gf_boolean_t
glusterd_is_cli_op_req (int32_t op);
int32_t
glusterd_volume_brickinfo_get_by_brick (char *brick,
glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t **brickinfo);
int32_t
glusterd_is_local_addr (char *hostname);
int32_t
glusterd_build_volume_dict (dict_t **vols);
int32_t
glusterd_compare_friend_data (dict_t *vols, int32_t *status);
int
glusterd_volume_compute_cksum (glusterd_volinfo_t *volinfo);
gf_boolean_t
glusterd_is_nfs_started ();
int32_t
glusterd_nfs_server_start ();
int32_t
glusterd_nfs_server_stop ();
int
glusterd_remote_hostname_get (rpcsvc_request_t *req,
char *remote_host, int len);
int32_t
glusterd_import_friend_volumes (dict_t *vols);
void
glusterd_set_volume_status (glusterd_volinfo_t *volinfo,
glusterd_volume_status status);
int
glusterd_check_generate_start_nfs (void);
int32_t
glusterd_volume_count_get (void);
int32_t
glusterd_add_volume_to_dict (glusterd_volinfo_t *volinfo,
dict_t *dict, int32_t count);
int
glusterd_get_brickinfo (xlator_t *this, const char *brickname,
int port, gf_boolean_t localhost,
glusterd_brickinfo_t **brickinfo);
void
glusterd_set_brick_status (glusterd_brickinfo_t *brickinfo,
gf_brick_status_t status);
gf_boolean_t
glusterd_is_brick_started (glusterd_brickinfo_t *brickinfo);
int
glusterd_friend_find_by_hostname (const char *hoststr,
glusterd_peerinfo_t **peerinfo);
int
glusterd_hostname_to_uuid (char *hostname, uuid_t uuid);
int
glusterd_friend_brick_belongs (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo, void *uuid);
int
glusterd_all_volume_cond_check (glusterd_condition_func func, int status,
void *ctx);
int
glusterd_brick_start (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo);
int
glusterd_brick_stop (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo);
int
glusterd_is_defrag_on (glusterd_volinfo_t *volinfo);
int32_t
glusterd_volinfo_bricks_delete (glusterd_volinfo_t *volinfo);
int
glusterd_friend_find_by_uuid (uuid_t uuid,
glusterd_peerinfo_t **peerinfo);
int
glusterd_new_brick_validate (char *brick, glusterd_brickinfo_t *brickinfo,
char *op_errstr, size_t len);
int32_t
glusterd_volume_brickinfos_delete (glusterd_volinfo_t *volinfo);
int32_t
glusterd_volume_brickinfo_get (uuid_t uuid, char *hostname, char *path,
glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t **brickinfo);
int
glusterd_brickinfo_get (uuid_t uuid, char *hostname, char *path,
glusterd_brickinfo_t **brickinfo);
int
glusterd_is_rb_started (glusterd_volinfo_t *volinfo);
int
glusterd_is_rb_paused (glusterd_volinfo_t *volinfo);
int
glusterd_set_rb_status (glusterd_volinfo_t *volinfo, gf_rb_status_t status);
int
glusterd_is_replace_running (glusterd_volinfo_t *volinfo, glusterd_brickinfo_t *brickinfo);
int
glusterd_rb_check_bricks (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *src_brick, glusterd_brickinfo_t *dst_brick);
int
glusterd_brick_create_path (char *host, char *path, uuid_t uuid, mode_t mode,
char **op_errstr);
int
glusterd_sm_tr_log_transition_add (glusterd_sm_tr_log_t *log,
int old_state, int new_state,
int event);
int
glusterd_peerinfo_new (glusterd_peerinfo_t **peerinfo,
glusterd_friend_sm_state_t state,
uuid_t *uuid, const char *hostname);
int
glusterd_sm_tr_log_init (glusterd_sm_tr_log_t *log,
char * (*state_name_get) (int),
char * (*event_name_get) (int),
size_t size);
void
glusterd_sm_tr_log_delete (glusterd_sm_tr_log_t *log);
int
glusterd_sm_tr_log_add_to_dict (dict_t *dict,
glusterd_sm_tr_log_t *circular_log);
int
glusterd_remove_pending_entry (struct list_head *list, void *elem);
int
glusterd_clear_pending_nodes (struct list_head *list);
gf_boolean_t
glusterd_peerinfo_is_uuid_unknown (glusterd_peerinfo_t *peerinfo);
int32_t
glusterd_brick_connect (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo);
int32_t
glusterd_brick_disconnect (glusterd_brickinfo_t *brickinfo);
int32_t
glusterd_delete_volume (glusterd_volinfo_t *volinfo);
int32_t
glusterd_delete_brick (glusterd_volinfo_t* volinfo,
glusterd_brickinfo_t *brickinfo);
int32_t
glusterd_delete_all_bricks (glusterd_volinfo_t* volinfo);
int
glusterd_restart_gsyncds (glusterd_conf_t *conf);
int
glusterd_start_gsync (glusterd_volinfo_t *master_vol, char *slave,
char *glusterd_uuid_str, char **op_errstr);
int32_t
glusterd_recreate_bricks (glusterd_conf_t *conf);
int32_t
glusterd_handle_upgrade_downgrade (dict_t *options, glusterd_conf_t *conf);
int32_t
glusterd_add_brick_to_dict (glusterd_volinfo_t *volinfo,
glusterd_brickinfo_t *brickinfo,
dict_t *dict, int32_t count);
#endif
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