summaryrefslogtreecommitdiffstats
path: root/xlators/mgmt/glusterd/src/glusterd.h
blob: d98ddb1c6b769f6945dc9ab927892bd47063e85a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
/*
  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_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"


#define GLUSTERD_MAX_VOLUME_NAME        1000
#define DEFAULT_LOG_FILE_DIRECTORY      DATADIR "/log/glusterfs"
#define GLUSTERD_TR_LOG_SIZE            50
#define GLUSTERD_NAME                   "glusterd"


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_RENAME_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_FILENAME,
        GD_OP_LOG_LOCATE,
        GD_OP_LOG_ROTATE,
        GD_OP_GSYNC_SET,
        GD_OP_MAX,
} glusterd_op_t;


struct glusterd_store_iter_ {
        int     fd;
        FILE    *file;
        char    filepath[PATH_MAX];
};

typedef struct glusterd_store_iter_     glusterd_store_iter_t;

struct glusterd_volgen {
        dict_t *dict;
};
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;
        struct pmap_registry *pmap;
        struct list_head  volumes;
        struct list_head  xprt_list;
        glusterd_store_handle_t *handle;
        gf_timer_t *timer;
        glusterd_sm_tr_log_t op_sm_log;
} 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];
        struct list_head  brick_list;
        uuid_t  uuid;
        int     port;
        char   *logfile;
        gf_boolean_t signed_in;
        glusterd_store_handle_t *shandle;
        gf_brick_status_t status; 
};

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_LAYOUT_FIX_COMPLETE,
        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;

typedef enum gf_transport_type_ {
        GF_TRANSPORT_TCP,       //DEFAULT
        GF_TRANSPORT_RDMA,
        GF_TRANSPORT_BOTH_TCP_RDMA,
} gf_transport_type;


typedef enum gf_rb_status_ {
        GF_RB_STATUS_NONE,
        GF_RB_STATUS_STARTED,
        GF_RB_STATUS_PAUSED,
} gf_rb_status_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;

        /* Replace brick status */
        gf_rb_status_t          rb_status;
        glusterd_brickinfo_t    *src_brick;
        glusterd_brickinfo_t    *dst_brick;

        int                     version;
        uint32_t                cksum;
        gf_transport_type       transport_type;

        dict_t                  *dict;

        uuid_t                  volume_id;
        char                    *logdir;
};

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    GF_DEFAULT_BASE_PORT
#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_NFS_DIR(path, priv)                                \
        do {                                                            \
                snprintf (path, PATH_MAX, "%s/nfs", priv->workdir);\
        } while (0);                                                    \

#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_GET_NFS_PIDFILE(pidfile)                               \
                snprintf (pidfile, PATH_MAX, "%s/nfs/run/nfs.pid", \
                          priv->workdir);                               \

#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);                 \
        }

#define GLUSTERD_STACK_DESTROY(frame) do {\
		void *__local = NULL;     \
                xlator_t *__xl = NULL;    \
                __xl = frame->this;       \
		__local = frame->local;   \
		frame->local = NULL;	  \
		STACK_DESTROY (frame->root);\
	} while (0)

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, int32_t op_errno);

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,
                     glusterd_peerctx_args_t *args);

int
glusterd_friend_remove (uuid_t uuid, char *hostname);

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,
                             char *op_errstr, dict_t *rsp_dict);

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, char *op_errstr,
                              dict_t *rsp_dict);

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,
                        uuid_t uuid);

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);

int
glusterd_handle_friend_update (rpcsvc_request_t *req);

int
glusterd_handle_cli_stop_volume (rpcsvc_request_t *req);

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);

int
glusterd_handle_sync_volume (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);

int32_t
glusterd_set_volume (rpcsvc_request_t *req, dict_t *dict);

int32_t
glusterd_reset_volume (rpcsvc_request_t *req, dict_t *dict);

int32_t
glusterd_gsync_set (rpcsvc_request_t *req, dict_t *dict);

int
glusterd_handle_set_volume (rpcsvc_request_t *req);

int
glusterd_handle_reset_volume (rpcsvc_request_t *req);

int
glusterd_handle_gsync_set (rpcsvc_request_t *req);

int
glusterd_handle_fsm_log (rpcsvc_request_t *req);

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);

int32_t
glusterd_sync_volume (rpcsvc_request_t *req, dict_t *ctx);

int
glusterd_add_volume_detail_to_dict (glusterd_volinfo_t *volinfo,
                                    dict_t  *volumes, int   count);

int
glusterd_restart_bricks(glusterd_conf_t *conf);

int32_t
glusterd_volume_txn (rpcsvc_request_t *req, char *volname, int flags,
                     glusterd_op_t op);

int
glusterd_peer_handshake (xlator_t *this, struct rpc_clnt *rpc,
                         glusterd_peerctx_t *peerctx);

int
glusterd_validate_reconfopts (glusterd_volinfo_t *volinfo, dict_t *val_dict, char **op_errstr);
#endif