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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_OP_SM_H_
#define _GLUSTERD_OP_SM_H_
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#ifndef GSYNC_CONF
#define GSYNC_CONF GEOREP"/gsyncd.conf"
#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 "protocol-common.h"
#define GD_VOLUME_NAME_MAX 256
typedef enum glusterd_op_sm_state_ {
GD_OP_STATE_DEFAULT = 0,
GD_OP_STATE_LOCK_SENT,
GD_OP_STATE_LOCKED,
GD_OP_STATE_STAGE_OP_SENT,
GD_OP_STATE_STAGED,
GD_OP_STATE_COMMIT_OP_SENT,
GD_OP_STATE_COMMITED,
GD_OP_STATE_UNLOCK_SENT,
GD_OP_STATE_STAGE_OP_FAILED,
GD_OP_STATE_COMMIT_OP_FAILED,
GD_OP_STATE_BRICK_OP_SENT,
GD_OP_STATE_BRICK_OP_FAILED,
GD_OP_STATE_BRICK_COMMITTED,
GD_OP_STATE_BRICK_COMMIT_FAILED,
GD_OP_STATE_MAX,
} glusterd_op_sm_state_t;
typedef enum glusterd_op_sm_event_type_ {
GD_OP_EVENT_NONE = 0,
GD_OP_EVENT_START_LOCK,
GD_OP_EVENT_LOCK,
GD_OP_EVENT_RCVD_ACC,
GD_OP_EVENT_ALL_ACC,
GD_OP_EVENT_STAGE_ACC,
GD_OP_EVENT_COMMIT_ACC,
GD_OP_EVENT_RCVD_RJT,
GD_OP_EVENT_STAGE_OP,
GD_OP_EVENT_COMMIT_OP,
GD_OP_EVENT_UNLOCK,
GD_OP_EVENT_START_UNLOCK,
GD_OP_EVENT_ALL_ACK,
GD_OP_EVENT_MAX
} glusterd_op_sm_event_type_t;
struct glusterd_op_sm_event_ {
struct list_head list;
void *ctx;
glusterd_op_sm_event_type_t event;
};
typedef struct glusterd_op_sm_event_ glusterd_op_sm_event_t;
typedef int (*glusterd_op_sm_ac_fn) (glusterd_op_sm_event_t *, void *);
typedef struct glusterd_op_sm_ {
glusterd_op_sm_state_t next_state;
glusterd_op_sm_ac_fn handler;
} glusterd_op_sm_t;
typedef struct glusterd_op_sm_state_info_ {
glusterd_op_sm_state_t state;
struct timeval time;
} glusterd_op_sm_state_info_t;
struct glusterd_op_info_ {
glusterd_op_sm_state_info_t state;
int32_t pending_count;
int32_t brick_pending_count;
int32_t op_count;
glusterd_op_t op[GD_OP_MAX];
glusterd_op_t pending_op[GD_OP_MAX];
glusterd_op_t commit_op[GD_OP_MAX];
struct list_head op_peers;
void *op_ctx[GD_OP_MAX];
rpcsvc_request_t *req;
int32_t op_ret;
int32_t op_errno;
pthread_mutex_t lock;
int32_t cli_op;
gf_boolean_t ctx_free[GD_OP_MAX];
char *op_errstr;
struct list_head pending_bricks;
};
typedef struct glusterd_op_info_ glusterd_op_info_t;
struct glusterd_op_delete_volume_ctx_ {
char volume_name[GD_VOLUME_NAME_MAX];
};
typedef struct glusterd_op_delete_volume_ctx_ glusterd_op_delete_volume_ctx_t;
struct glusterd_op_log_filename_ctx_ {
char volume_name[GD_VOLUME_NAME_MAX];
char brick[GD_VOLUME_NAME_MAX];
char path[PATH_MAX];
};
typedef struct glusterd_op_log_filename_ctx_ glusterd_op_log_filename_ctx_t;
struct glusterd_op_lock_ctx_ {
uuid_t uuid;
rpcsvc_request_t *req;
};
typedef struct glusterd_op_lock_ctx_ glusterd_op_lock_ctx_t;
struct glusterd_req_ctx_ {
rpcsvc_request_t *req;
u_char uuid[16];
int op;
dict_t *dict;
};
typedef struct glusterd_req_ctx_ glusterd_req_ctx_t;
typedef struct glusterd_op_brick_rsp_ctx_ {
int op_ret;
char *op_errstr;
dict_t *rsp_dict;
glusterd_req_ctx_t *commit_ctx;
glusterd_brickinfo_t *brickinfo;
} glusterd_op_brick_rsp_ctx_t;
typedef struct glusterd_pr_brick_rsp_conv_t {
int count;
dict_t *dict;
} glusterd_pr_brick_rsp_conv_t;
typedef struct glusterd_gsync_slaves {
char *slave;
char *host_uuid;
int ret_status;
char rmt_hostname[256];
} glusterd_gsync_slaves_t;
typedef struct glusterd_gsync_status_temp {
dict_t *rsp_dict;
glusterd_volinfo_t *volinfo;
}glusterd_gsync_status_temp_t;
int
glusterd_op_sm_new_event (glusterd_op_sm_event_type_t event_type,
glusterd_op_sm_event_t **new_event);
int
glusterd_op_sm_inject_event (glusterd_op_sm_event_type_t event_type,
void *ctx);
int
glusterd_op_sm_init ();
int
glusterd_op_sm ();
int32_t
glusterd_op_set_ctx (glusterd_op_t op, void *ctx);
int32_t
glusterd_op_set_op (glusterd_op_t op);
int32_t
glusterd_op_clear_pending_op (glusterd_op_t op);
int32_t
glusterd_op_clear_commit_op (glusterd_op_t op);
int
glusterd_op_build_payload (glusterd_op_t op, dict_t **req);
int32_t
glusterd_op_stage_validate (glusterd_op_t op, dict_t *req, char **op_errstr,
dict_t *rsp_dict);
int32_t
glusterd_op_commit_perform (glusterd_op_t op, dict_t *req, char **op_errstr,
dict_t* dict);
void *
glusterd_op_get_ctx (glusterd_op_t op);
int32_t
glusterd_op_set_req (rpcsvc_request_t *req);
int32_t
glusterd_op_set_cli_op (glusterd_op_t op);
int32_t
glusterd_op_send_cli_response (glusterd_op_t op, int32_t op_ret,
int32_t op_errno, rpcsvc_request_t *req,
void *ctx, char *op_errstr);
int32_t
glusterd_op_get_op ();
int32_t
glusterd_op_clear_pending_op (glusterd_op_t op);
int32_t
glusterd_op_clear_commit_op (glusterd_op_t op);
int32_t
glusterd_op_clear_op (glusterd_op_t op);
int32_t
glusterd_op_free_ctx (glusterd_op_t op, void *ctx, gf_boolean_t ctx_free);
int32_t
glusterd_opinfo_unlock();
int32_t
glusterd_op_set_ctx_free (glusterd_op_t op, gf_boolean_t ctx_free);
int32_t
glusterd_op_clear_ctx_free (glusterd_op_t op);
gf_boolean_t
glusterd_op_get_ctx_free (glusterd_op_t op);
int
glusterd_check_option_exists(char *optstring, char **completion);
int
set_xlator_option (dict_t *dict, char *key, char *value);
char *
glusterd_check_brick_rb_part (char *bricks, int count, glusterd_volinfo_t *volinfo);
void
glusterd_do_replace_brick (void *data);
int
glusterd_options_reset (glusterd_volinfo_t *volinfo, int32_t is_force);
char*
glusterd_op_sm_state_name_get (int state);
char*
glusterd_op_sm_event_name_get (int event);
int32_t
glusterd_op_bricks_select (glusterd_op_t op, dict_t *dict, char **op_errstr);
int
glusterd_brick_op_build_payload (glusterd_op_t op, glusterd_brickinfo_t *brickinfo,
gd1_mgmt_brick_op_req **req, dict_t *dict);
int32_t
glusterd_handle_brick_rsp (glusterd_brickinfo_t *brickinfo,
glusterd_op_t op, dict_t *rsp_dict, dict_t *ctx_dict,
char **op_errstr);
void glusterd_op_brick_disconnect (void *data);
int32_t
glusterd_op_init_ctx (glusterd_op_t op);
int32_t
glusterd_op_fini_ctx (glusterd_op_t op);
int32_t
glusterd_volume_stats_read_perf (char *brick_path, int32_t blk_size,
int32_t blk_count, double *throughput, double *time);
int32_t
glusterd_volume_stats_write_perf (char *brick_path, int32_t blk_size,
int32_t blk_count, double *throughput, double *time);
gf_boolean_t
glusterd_is_volume_started (glusterd_volinfo_t *volinfo);
int
glusterd_start_bricks (glusterd_volinfo_t *volinfo);
gf_boolean_t
glusterd_are_all_volumes_stopped ();
int
glusterd_stop_bricks (glusterd_volinfo_t *volinfo);
int
glusterd_get_gsync_status_mst_slv( glusterd_volinfo_t *volinfo, char *master,
char *slave, dict_t *rsp_dict);
int
gsync_status (char *master, char *slave, int *status);
int
glusterd_gsync_get_param_file (char *prmfile, const char *ext, char *master,
char *slave, char *gl_workdir);
#endif
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