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/*
Copyright (c) 2006-2009 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_H_
#define _GLUSTERD_H_
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include <dirent.h>
#include <pthread.h>
#include <libgen.h>
#include "uuid.h"
#include "rpc-clnt.h"
#include "glusterfs.h"
#include "xlator.h"
#include "logging.h"
#include "call-stub.h"
#include "fd.h"
#include "byte-order.h"
#include "glusterd-mem-types.h"
#include "rpcsvc.h"
#include "glusterd-sm.h"
#include "glusterd1-xdr.h"
#include "glusterd-pmap.h"
#define GLUSTERD_MAX_VOLUME_NAME 1000
struct glusterd_store_iter_ {
int fd;
FILE *file;
};
typedef struct glusterd_store_iter_ glusterd_store_iter_t;
typedef struct {
struct _volfile_ctx *volfile;
pthread_mutex_t mutex;
struct list_head peers;
// struct list_head pending_peers;
gf_boolean_t verify_volfile_checksum;
gf_boolean_t trace;
uuid_t uuid;
char workdir[PATH_MAX];
rpcsvc_t *rpc;
rpc_clnt_prog_t *mgmt;
struct pmap_registry *pmap;
struct list_head volumes;
struct list_head hostnames;
struct list_head xprt_list;
glusterd_store_handle_t *handle;
} glusterd_conf_t;
struct glusterd_brickinfo {
char hostname[1024];
char path[PATH_MAX];
struct list_head brick_list;
uuid_t uuid;
int port;
char *logfile;
glusterd_store_handle_t *shandle;
};
typedef struct glusterd_brickinfo glusterd_brickinfo_t;
struct gf_defrag_brickinfo_ {
char *name;
int files;
int size;
};
typedef enum gf_defrag_status_ {
GF_DEFRAG_STATUS_NOT_STARTED,
GF_DEFRAG_STATUS_STARTED,
GF_DEFRAG_STATUS_STOPED,
GF_DEFRAG_STATUS_COMPLETE,
GF_DEFRAG_STATUS_FAILED,
} gf_defrag_status_t;
struct glusterd_defrag_info_ {
uint64_t total_files;
uint64_t total_data;
uint64_t num_files_lookedup;
gf_lock_t lock;
pthread_t th;
char mount[1024];
char databuf[131072];
struct gf_defrag_brickinfo_ *bricks; /* volinfo->brick_count */
};
typedef struct glusterd_defrag_info_ glusterd_defrag_info_t;
struct glusterd_volinfo_ {
char volname[GLUSTERD_MAX_VOLUME_NAME];
int type;
int brick_count;
struct list_head vol_list;
struct list_head bricks;
glusterd_volume_status status;
int sub_count;
int port;
glusterd_store_handle_t *shandle;
/* Defrag/rebalance related */
gf_defrag_status_t defrag_status;
uint64_t rebalance_files;
uint64_t rebalance_data;
uint64_t lookedup_files;
glusterd_defrag_info_t *defrag;
int version;
uint32_t cksum;
/* All xlator options */
dict_t *dict;
};
typedef struct glusterd_volinfo_ glusterd_volinfo_t;
enum glusterd_op_ret {
GLUSTERD_CONNECTION_AWAITED = 100,
};
enum glusterd_vol_comp_status_ {
GLUSTERD_VOL_COMP_NONE = 0,
GLUSTERD_VOL_COMP_SCS = 1,
GLUSTERD_VOL_COMP_UPDATE_REQ,
GLUSTERD_VOL_COMP_RJT,
};
#define GLUSTERD_DEFAULT_WORKDIR "/etc/glusterd"
#define GLUSTERD_DEFAULT_PORT 6969
#define GLUSTERD_INFO_FILE "glusterd.info"
#define GLUSTERD_VOLUME_DIR_PREFIX "vols"
#define GLUSTERD_PEER_DIR_PREFIX "peers"
#define GLUSTERD_VOLUME_INFO_FILE "info"
#define GLUSTERD_BRICK_INFO_DIR "bricks"
#define GLUSTERD_CKSUM_FILE "cksum"
/*All definitions related to replace brick */
#define RB_PUMP_START_CMD "trusted.glusterfs.pump.start"
#define RB_PUMP_PAUSE_CMD "trusted.glusterfs.pump.pause"
#define RB_PUMP_ABORT_CMD "trusted.glusterfs.pump.abort"
#define RB_PUMP_STATUS_CMD "trusted.glusterfs.pump.status"
#define RB_CLIENT_MOUNTPOINT "rb_mount"
#define RB_CLIENTVOL_FILENAME "rb_client.vol"
#define RB_DSTBRICK_PIDFILE "rb_dst_brick.pid"
#define RB_DSTBRICKVOL_FILENAME "rb_dst_brick.vol"
#define GLUSTERD_UUID_LEN 50
typedef ssize_t (*gd_serialize_t) (struct iovec outmsg, void *args);
#define GLUSTERD_GET_VOLUME_DIR(path, volinfo, priv) \
snprintf (path, PATH_MAX, "%s/vols/%s", priv->workdir,\
volinfo->volname);
#define GLUSTERD_GET_BRICK_DIR(path, volinfo, priv) \
snprintf (path, PATH_MAX, "%s/%s/%s/%s", priv->workdir,\
GLUSTERD_VOLUME_DIR_PREFIX, volinfo->volname, \
GLUSTERD_BRICK_INFO_DIR);
#define GLUSTERD_REMOVE_SLASH_FROM_PATH(path,string) do { \
int i = 0; \
for (i = 1; i < strlen (path); i++) { \
string[i-1] = path[i]; \
if (string[i-1] == '/') \
string[i-1] = '-'; \
} \
} while (0)
#define GLUSTERD_GET_BRICK_PIDFILE(pidfile,volpath,hostname,brickpath) { \
char exp_path[PATH_MAX] = {0,}; \
GLUSTERD_REMOVE_SLASH_FROM_PATH (brickpath, exp_path); \
snprintf (pidfile, PATH_MAX, "%s/run/%s-%s.pid", \
volpath, hostname, exp_path); \
}
int32_t
glusterd_brick_from_brickinfo (glusterd_brickinfo_t *brickinfo,
char **new_brick);
int
glusterd_probe_begin (rpcsvc_request_t *req, const char *hoststr, int port);
int
glusterd_xfer_friend_add_resp (rpcsvc_request_t *req, char *hostname,
int port, int32_t op_ret);
int
glusterd_friend_find (uuid_t uuid, char *hostname,
glusterd_peerinfo_t **peerinfo);
int
glusterd_friend_add (const char *hoststr, int port,
glusterd_friend_sm_state_t state,
uuid_t *uuid, struct rpc_clnt *rpc,
glusterd_peerinfo_t **friend,
gf_boolean_t restore);
int
glusterd_op_lock_send_resp (rpcsvc_request_t *req, int32_t status);
int
glusterd_op_unlock_send_resp (rpcsvc_request_t *req, int32_t status);
int
glusterd_op_stage_send_resp (rpcsvc_request_t *req,
int32_t op, int32_t status);
int
glusterd_op_commmit_send_resp (rpcsvc_request_t *req,
int32_t op, int32_t status);
int32_t
glusterd_create_volume (rpcsvc_request_t *req, dict_t *dict);
int
glusterd_rpc_notify (struct rpc_clnt *rpc, void *mydata,
rpc_clnt_event_t event,
void *data);
int
glusterd_handle_incoming_friend_req (rpcsvc_request_t *req);
int
glusterd_handle_probe_query (rpcsvc_request_t *req);
int
glusterd_handle_cluster_lock (rpcsvc_request_t *req);
int
glusterd_handle_cluster_unlock (rpcsvc_request_t *req);
int
glusterd_handle_stage_op (rpcsvc_request_t *req);
int
glusterd_handle_commit_op (rpcsvc_request_t *req);
int
glusterd_handle_cli_probe (rpcsvc_request_t *req);
int
glusterd_handle_create_volume (rpcsvc_request_t *req);
int
glusterd_handle_defrag_volume (rpcsvc_request_t *req);
int
glusterd_xfer_cli_probe_resp (rpcsvc_request_t *req, int32_t op_ret,
int32_t op_errno, char *hostname, int port);
int
glusterd_op_commit_send_resp (rpcsvc_request_t *req,
int32_t op, int32_t status);
int
glusterd_xfer_friend_remove_resp (rpcsvc_request_t *req, char *hostname, int port);
int
glusterd_deprobe_begin (rpcsvc_request_t *req, const char *hoststr, int port);
int
glusterd_handle_cli_deprobe (rpcsvc_request_t *req);
int
glusterd_handle_incoming_unfriend_req (rpcsvc_request_t *req);
int32_t
glusterd_list_friends (rpcsvc_request_t *req, dict_t *dict, int32_t flags);
int
glusterd_handle_cli_list_friends (rpcsvc_request_t *req);
int
glusterd_handle_cli_start_volume (rpcsvc_request_t *req);
int32_t
glusterd_start_volume (rpcsvc_request_t *req, char *volname, int flags);
int
glusterd_handle_friend_update (rpcsvc_request_t *req);
int
glusterd_handle_cli_stop_volume (rpcsvc_request_t *req);
int
glusterd_stop_volume (rpcsvc_request_t *req, char *volname, int flags);
int32_t
glusterd_delete_volume (rpcsvc_request_t *req, char *volname, int flags);
int
glusterd_handle_cli_delete_volume (rpcsvc_request_t *req);
int
glusterd_handle_cli_get_volume (rpcsvc_request_t *req);
int32_t
glusterd_get_volumes (rpcsvc_request_t *req, dict_t *dict, int32_t flags);
int32_t
glusterd_add_brick (rpcsvc_request_t *req, dict_t *dict);
int
glusterd_handle_add_brick (rpcsvc_request_t *req);
int32_t
glusterd_replace_brick (rpcsvc_request_t *req, dict_t *dict);
int
glusterd_handle_replace_brick (rpcsvc_request_t *req);
int
glusterd_handle_remove_brick (rpcsvc_request_t *req);
int
glusterd_handle_log_filename (rpcsvc_request_t *req);
int
glusterd_handle_log_locate (rpcsvc_request_t *req);
int
glusterd_handle_log_rotate (rpcsvc_request_t *req);
int32_t
glusterd_log_filename (rpcsvc_request_t *req, dict_t *dict);
int32_t
glusterd_log_rotate (rpcsvc_request_t *req, dict_t *dict);
int32_t
glusterd_remove_brick (rpcsvc_request_t *req, dict_t *dict);
int
glusterd_xfer_cli_deprobe_resp (rpcsvc_request_t *req, int32_t op_ret,
int32_t op_errno, char *hostname);
int
glusterd_fetchspec_notify (xlator_t *this);
#endif
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