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/*
Copyright (c) 2006-2013 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 _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 "protocol-common.h"
#include "glusterd-pmap.h"
#include "cli1-xdr.h"
#include "syncop.h"
#include "store.h"
#define GLUSTERD_MAX_VOLUME_NAME 1000
#define GLUSTERD_TR_LOG_SIZE 50
#define GLUSTERD_NAME "glusterd"
#define GLUSTERD_SOCKET_LISTEN_BACKLOG 128
#define GLUSTERD_QUORUM_TYPE_KEY "cluster.server-quorum-type"
#define GLUSTERD_QUORUM_RATIO_KEY "cluster.server-quorum-ratio"
#define GLUSTERD_GLOBAL_OPT_VERSION "global-option-version"
#define GLUSTERD_COMMON_PEM_PUB_FILE "/geo-replication/common_secret.pem.pub"
#define GEO_CONF_MAX_OPT_VALS 6
#define GLUSTERD_CREATE_HOOK_SCRIPT "/hooks/1/gsync-create/post/" \
"S56glusterd-geo-rep-create-post.sh"
#define GLUSTERD_SNAPS_MAX_HARD_LIMIT 256
#define GLUSTERD_SNAPS_DEF_SOFT_LIMIT_PERCENT 90
#define GLUSTERD_SNAPS_MAX_SOFT_LIMIT_PERCENT 100
#define GLUSTERD_SERVER_QUORUM "server"
#define FMTSTR_CHECK_VOL_EXISTS "Volume %s does not exist"
#define FMTSTR_RESOLVE_BRICK "Could not find peer on which brick %s:%s resides"
#define LOGSTR_FOUND_BRICK "Found brick %s:%s in volume %s"
#define LOGSTR_BUILD_PAYLOAD "Failed to build payload for operation 'Volume %s'"
#define LOGSTR_STAGE_FAIL "Staging of operation 'Volume %s' failed on %s %s %s"
#define LOGSTR_COMMIT_FAIL "Commit of operation 'Volume %s' failed on %s %s %s"
#define OPERRSTR_BUILD_PAYLOAD "Failed to build payload. Please check the log "\
"file for more details."
#define OPERRSTR_STAGE_FAIL "Staging failed on %s. Please check the log file " \
"for more details."
#define OPERRSTR_COMMIT_FAIL "Commit failed on %s. Please check the log file "\
"for more details."
struct glusterd_volinfo_;
typedef struct glusterd_volinfo_ glusterd_volinfo_t;
struct glusterd_snap_;
typedef struct glusterd_snap_ glusterd_snap_t;
typedef enum glusterd_op_ {
GD_OP_NONE = 0,
GD_OP_CREATE_VOLUME,
GD_OP_START_BRICK,
GD_OP_STOP_BRICK,
GD_OP_DELETE_VOLUME,
GD_OP_START_VOLUME,
GD_OP_STOP_VOLUME,
GD_OP_DEFRAG_VOLUME,
GD_OP_ADD_BRICK,
GD_OP_REMOVE_BRICK,
GD_OP_REPLACE_BRICK,
GD_OP_SET_VOLUME,
GD_OP_RESET_VOLUME,
GD_OP_SYNC_VOLUME,
GD_OP_LOG_ROTATE,
GD_OP_GSYNC_SET,
GD_OP_PROFILE_VOLUME,
GD_OP_QUOTA,
GD_OP_STATUS_VOLUME,
GD_OP_REBALANCE,
GD_OP_HEAL_VOLUME,
GD_OP_STATEDUMP_VOLUME,
GD_OP_LIST_VOLUME,
GD_OP_CLEARLOCKS_VOLUME,
GD_OP_DEFRAG_BRICK_VOLUME,
GD_OP_COPY_FILE,
GD_OP_SYS_EXEC,
GD_OP_GSYNC_CREATE,
GD_OP_SNAP,
GD_OP_MAX,
} glusterd_op_t;
extern const char * gd_op_list[];
struct glusterd_volgen {
dict_t *dict;
};
typedef struct {
struct rpc_clnt *rpc;
gf_boolean_t online;
} nodesrv_t;
typedef struct {
gf_boolean_t quorum;
double quorum_ratio;
uint64_t gl_opt_version;
} gd_global_opts_t;
typedef struct {
struct _volfile_ctx *volfile;
pthread_mutex_t mutex;
struct list_head peers;
struct list_head xaction_peers;
gf_boolean_t verify_volfile_checksum;
gf_boolean_t trace;
uuid_t uuid;
char workdir[PATH_MAX];
rpcsvc_t *rpc;
nodesrv_t *shd;
nodesrv_t *nfs;
nodesrv_t *quotad;
struct pmap_registry *pmap;
struct list_head volumes;
struct list_head snapshots; /*List of snap volumes */
pthread_mutex_t xprt_lock;
struct list_head xprt_list;
gf_store_handle_t *handle;
gf_timer_t *timer;
glusterd_sm_tr_log_t op_sm_log;
struct rpc_clnt_program *gfs_mgmt;
dict_t *mgmt_v3_lock; /* Dict for saving
* mgmt_v3 locks */
dict_t *glusterd_txn_opinfo; /* Dict for saving
* transaction opinfos */
uuid_t global_txn_id; /* To be used in
* heterogeneous
* cluster with no
* transaction ids */
struct list_head mount_specs;
gf_boolean_t valgrind;
pthread_t brick_thread;
void *hooks_priv;
/* need for proper handshake_t */
int op_version; /* Starts with 1 for 3.3.0 */
xlator_t *xl; /* Should be set to 'THIS' before creating thread */
gf_boolean_t pending_quorum_action;
dict_t *opts;
synclock_t big_lock;
gf_boolean_t restart_done;
rpcsvc_t *uds_rpc; /* RPCSVC for the unix domain socket */
uint32_t base_port;
uint64_t snap_max_hard_limit;
uint64_t snap_max_soft_limit;
char *snap_bricks_directory;
gf_store_handle_t *missed_snaps_list_shandle;
struct list_head missed_snaps_list;
} glusterd_conf_t;
typedef enum gf_brick_status {
GF_BRICK_STOPPED,
GF_BRICK_STARTED,
} gf_brick_status_t;
struct glusterd_brickinfo {
char hostname[1024];
char path[PATH_MAX];
char device_path[PATH_MAX];
char brick_id[1024];/*Client xlator name, AFR changelog name*/
struct list_head brick_list;
uuid_t uuid;
int port;
int rdma_port;
char *logfile;
gf_boolean_t signed_in;
gf_store_handle_t *shandle;
gf_brick_status_t status;
struct rpc_clnt *rpc;
int decommissioned;
char vg[PATH_MAX]; /* FIXME: Use max size for length of vg */
int caps; /* Capability */
int32_t snap_status;
};
typedef struct glusterd_brickinfo glusterd_brickinfo_t;
struct gf_defrag_brickinfo_ {
char *name;
int files;
int size;
};
typedef int (*defrag_cbk_fn_t) (glusterd_volinfo_t *volinfo,
gf_defrag_status_t status);
struct glusterd_defrag_info_ {
uint64_t total_files;
uint64_t total_data;
uint64_t num_files_lookedup;
uint64_t total_failures;
gf_lock_t lock;
int cmd;
pthread_t th;
gf_defrag_status_t defrag_status;
struct rpc_clnt *rpc;
uint32_t connected;
char mount[1024];
char databuf[131072];
struct gf_defrag_brickinfo_ *bricks; /* volinfo->brick_count */
defrag_cbk_fn_t cbk_fn;
};
typedef struct glusterd_defrag_info_ glusterd_defrag_info_t;
typedef enum gf_transport_type_ {
GF_TRANSPORT_TCP, //DEFAULT
GF_TRANSPORT_RDMA,
GF_TRANSPORT_BOTH_TCP_RDMA,
} gf_transport_type;
#define GF_DEFAULT_NFS_TRANSPORT GF_TRANSPORT_RDMA
typedef enum gf_rb_status_ {
GF_RB_STATUS_NONE,
GF_RB_STATUS_STARTED,
GF_RB_STATUS_PAUSED,
} gf_rb_status_t;
struct _auth {
char *username;
char *password;
};
typedef struct _auth auth_t;
/* Capabilities of xlator */
#define CAPS_BD 0x00000001
#define CAPS_THIN 0x00000002
#define CAPS_OFFLOAD_COPY 0x00000004
#define CAPS_OFFLOAD_SNAPSHOT 0x00000008
#define CAPS_OFFLOAD_ZERO 0x00000020
struct glusterd_rebalance_ {
gf_defrag_status_t defrag_status;
uint64_t rebalance_files;
uint64_t rebalance_data;
uint64_t lookedup_files;
uint64_t skipped_files;
glusterd_defrag_info_t *defrag;
gf_cli_defrag_type defrag_cmd;
uint64_t rebalance_failures;
uuid_t rebalance_id;
double rebalance_time;
glusterd_op_t op;
dict_t *dict; /* Dict to store misc information
* like list of bricks being removed */
};
typedef struct glusterd_rebalance_ glusterd_rebalance_t;
struct glusterd_replace_brick_ {
gf_rb_status_t rb_status;
glusterd_brickinfo_t *src_brick;
glusterd_brickinfo_t *dst_brick;
uuid_t rb_id;
};
typedef struct glusterd_replace_brick_ glusterd_replace_brick_t;
struct glusterd_volinfo_ {
gf_lock_t lock;
char volname[GLUSTERD_MAX_VOLUME_NAME];
gf_boolean_t is_snap_volume;
glusterd_snap_t *snapshot;
gf_boolean_t is_volume_restored;
char parent_volname[GLUSTERD_MAX_VOLUME_NAME];
/* In case of a snap volume
i.e (is_snap_volume == TRUE) this
field will contain the name of
the volume which is snapped. In
case of a non-snap volume, this
field will be initialized as N/A */
int type;
int brick_count;
uint64_t snap_count;
uint64_t snap_max_hard_limit;
struct list_head vol_list;
/* In case of a snap volume
i.e (is_snap_volume == TRUE) this
is linked to glusterd_snap_t->volumes.
In case of a non-snap volume, this is
linked to glusterd_conf_t->volumes */
struct list_head snapvol_list;
/* This is a current pointer for
glusterd_volinfo_t->snap_volumes */
struct list_head bricks;
struct list_head snap_volumes;
/* TODO : Need to remove this, as this
* is already part of snapshot object.
*/
glusterd_volume_status status;
int sub_count; /* backward compatibility */
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