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
|
/*
Copyright (c) 2007-2012 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 _GLUSTERFS3_H
#define _GLUSTERFS3_H
#include <sys/uio.h>
#include "xdr-generic.h"
#include "glusterfs3-xdr.h"
#include "iatt.h"
#include "protocol-common.h"
#include "upcall-utils.h"
#define xdr_decoded_remaining_addr(xdr) ((&xdr)->x_private)
#define xdr_decoded_remaining_len(xdr) ((&xdr)->x_handy)
#define xdr_encoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base))
#define xdr_decoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base))
#define GF_O_ACCMODE 003
#define GF_O_RDONLY 00
#define GF_O_WRONLY 01
#define GF_O_RDWR 02
#define GF_O_CREAT 0100
#define GF_O_EXCL 0200
#define GF_O_NOCTTY 0400
#define GF_O_TRUNC 01000
#define GF_O_APPEND 02000
#define GF_O_NONBLOCK 04000
#define GF_O_SYNC 010000
#define GF_O_ASYNC 020000
#define GF_O_DIRECT 040000
#define GF_O_DIRECTORY 0200000
#define GF_O_NOFOLLOW 0400000
#define GF_O_NOATIME 01000000
#define GF_O_CLOEXEC 02000000
#define GF_O_LARGEFILE 0100000
#define GF_O_FMODE_EXEC 040
#define XLATE_BIT(from, to, bit) do { \
if (from & bit) \
to = to | GF_##bit; \
} while (0)
#define UNXLATE_BIT(from, to, bit) do { \
if (from & GF_##bit) \
to = to | bit; \
} while (0)
#define XLATE_ACCESSMODE(from, to) do { \
switch (from & O_ACCMODE) { \
case O_RDONLY: to |= GF_O_RDONLY; \
break; \
case O_WRONLY: to |= GF_O_WRONLY; \
break; \
case O_RDWR: to |= GF_O_RDWR; \
break; \
} \
} while (0)
#define UNXLATE_ACCESSMODE(from, to) do { \
switch (from & GF_O_ACCMODE) { \
case GF_O_RDONLY: to |= O_RDONLY; \
break; \
case GF_O_WRONLY: to |= O_WRONLY; \
break; \
case GF_O_RDWR: to |= O_RDWR; \
break; \
} \
} while (0)
static inline uint32_t
gf_flags_from_flags (uint32_t flags)
{
uint32_t gf_flags = 0;
XLATE_ACCESSMODE (flags, gf_flags);
XLATE_BIT (flags, gf_flags, O_CREAT);
XLATE_BIT (flags, gf_flags, O_EXCL);
XLATE_BIT (flags, gf_flags, O_NOCTTY);
XLATE_BIT (flags, gf_flags, O_TRUNC);
XLATE_BIT (flags, gf_flags, O_APPEND);
XLATE_BIT (flags, gf_flags, O_NONBLOCK);
XLATE_BIT (flags, gf_flags, O_SYNC);
XLATE_BIT (flags, gf_flags, O_ASYNC);
XLATE_BIT (flags, gf_flags, O_DIRECT);
XLATE_BIT (flags, gf_flags, O_DIRECTORY);
XLATE_BIT (flags, gf_flags, O_NOFOLLOW);
#ifdef O_NOATIME
XLATE_BIT (flags, gf_flags, O_NOATIME);
#endif
#ifdef O_CLOEXEC
XLATE_BIT (flags, gf_flags, O_CLOEXEC);
#endif
XLATE_BIT (flags, gf_flags, O_LARGEFILE);
XLATE_BIT (flags, gf_flags, O_FMODE_EXEC);
return gf_flags;
}
static inline uint32_t
gf_flags_to_flags (uint32_t gf_flags)
{
uint32_t flags = 0;
UNXLATE_ACCESSMODE (gf_flags, flags);
UNXLATE_BIT (gf_flags, flags, O_CREAT);
UNXLATE_BIT (gf_flags, flags, O_EXCL);
UNXLATE_BIT (gf_flags, flags, O_NOCTTY);
UNXLATE_BIT (gf_flags, flags, O_TRUNC);
UNXLATE_BIT (gf_flags, flags, O_APPEND);
UNXLATE_BIT (gf_flags, flags, O_NONBLOCK);
UNXLATE_BIT (gf_flags, flags, O_SYNC);
UNXLATE_BIT (gf_flags, flags, O_ASYNC);
UNXLATE_BIT (gf_flags, flags, O_DIRECT);
UNXLATE_BIT (gf_flags, flags, O_DIRECTORY);
UNXLATE_BIT (gf_flags, flags, O_NOFOLLOW);
#ifdef O_NOATIME
UNXLATE_BIT (gf_flags, flags, O_NOATIME);
#endif
#ifdef O_CLOEXEC
UNXLATE_BIT (gf_flags, flags, O_CLOEXEC);
#endif
UNXLATE_BIT (gf_flags, flags, O_LARGEFILE);
UNXLATE_BIT (gf_flags, flags, O_FMODE_EXEC);
return flags;
}
static inline void
gf_statfs_to_statfs (struct gf_statfs *gf_stat, struct statvfs *stat)
{
if (!stat || !gf_stat)
return;
stat->f_bsize = (gf_stat->bsize);
stat->f_frsize = (gf_stat->frsize);
stat->f_blocks = (gf_stat->blocks);
stat->f_bfree = (gf_stat->bfree);
stat->f_bavail = (gf_stat->bavail);
stat->f_files = (gf_stat->files);
stat->f_ffree = (gf_stat->ffree);
stat->f_favail = (gf_stat->favail);
stat->f_fsid = (gf_stat->fsid);
stat->f_flag = (gf_stat->flag);
stat->f_namemax = (gf_stat->namemax);
}
static inline void
gf_statfs_from_statfs (struct gf_statfs *gf_stat, struct statvfs *stat)
{
if (!stat || !gf_stat)
return;
gf_stat->bsize = stat->f_bsize;
gf_stat->frsize = stat->f_frsize;
gf_stat->blocks = stat->f_blocks;
gf_stat->bfree = stat->f_bfree;
gf_stat->bavail = stat->f_bavail;
gf_stat->files = stat->f_files;
gf_stat->ffree = stat->f_ffree;
gf_stat->favail = stat->f_favail;
gf_stat->fsid = stat->f_fsid;
gf_stat->flag = stat->f_flag;
gf_stat->namemax = stat->f_namemax;
}
static inline void
gf_proto_lease_to_lease (struct gf_proto_lease *gf_proto_lease, struct gf_lease *gf_lease)
{
if (!gf_lease || !gf_proto_lease)
return;
gf_lease->cmd = gf_proto_lease->cmd;
gf_lease->lease_type = gf_proto_lease->lease_type;
memcpy (gf_lease->lease_id, gf_proto_lease->lease_id, LEASE_ID_SIZE);
}
static inline void
gf_proto_lease_from_lease (struct gf_proto_lease *gf_proto_lease, struct gf_lease *gf_lease)
{
if (!gf_lease || !gf_proto_lease)
return;
gf_proto_lease->cmd = gf_lease->cmd;
gf_proto_lease->lease_type = gf_lease->lease_type;
memcpy (gf_proto_lease->lease_id, gf_lease->lease_id, LEASE_ID_SIZE);
}
static inline int
gf_proto_recall_lease_to_upcall (struct gfs3_recall_lease_req *recall_lease,
struct gf_upcall *gf_up_data)
{
struct gf_upcall_recall_lease *tmp = NULL;
int ret = 0;
GF_VALIDATE_OR_GOTO(THIS->name, recall_lease, out);
GF_VALIDATE_OR_GOTO(THIS->name, gf_up_data, out);
tmp = (struct gf_upcall_recall_lease *)gf_up_data->data;
tmp->lease_type = recall_lease->lease_type;
memcpy (gf_up_data->gfid, recall_lease->gfid, 16);
memcpy (tmp->tid, recall_lease->tid, 16);
GF_PROTOCOL_DICT_UNSERIALIZE (THIS, tmp->dict,
(recall_lease->xdata).xdata_val,
(recall_lease->xdata).xdata_len, ret,
errno, out);
out:
return ret;
}
static inline int
gf_proto_recall_lease_from_upcall (xlator_t *this,
struct gfs3_recall_lease_req *recall_lease,
struct gf_upcall *gf_up_data)
{
struct gf_upcall_recall_lease *tmp = NULL;
int ret = 0;
GF_VALIDATE_OR_GOTO(this->name, recall_lease, out);
GF_VALIDATE_OR_GOTO(this->name, gf_up_data, out);
tmp = (struct gf_upcall_recall_lease *)gf_up_data->data;
recall_lease->lease_type = tmp->lease_type;
memcpy (recall_lease->gfid, gf_up_data->gfid, 16);
memcpy (recall_lease->tid, tmp->tid, 16);
GF_PROTOCOL_DICT_SERIALIZE (this, tmp->dict,
&(recall_lease->xdata).xdata_val,
(recall_lease->xdata).xdata_len, ret, out);
if (ret > 0)
ret = -ret;
out:
return ret;
}
static inline void
gf_proto_flock_to_flock (struct gf_proto_flock *gf_proto_flock, struct gf_flock *gf_flock)
{
if (!gf_flock || !gf_proto_flock)
return;
gf_flock->l_type = gf_proto_flock->type;
gf_flock->l_whence = gf_proto_flock->whence;
gf_flock->l_start = gf_proto_flock->start;
gf_flock->l_len = gf_proto_flock->len;
gf_flock->l_pid = gf_proto_flock->pid;
gf_flock->l_owner.len = gf_proto_flock->lk_owner.lk_owner_len;
if (gf_flock->l_owner.len &&
(gf_flock->l_owner.len < GF_MAX_LOCK_OWNER_LEN))
memcpy (gf_flock->l_owner.data, gf_proto_flock->lk_owner.lk_owner_val,
gf_flock->l_owner.len);
}
static inline void
gf_proto_flock_from_flock (struct gf_proto_flock *gf_proto_flock, struct gf_flock *gf_flock)
{
if (!gf_flock || !gf_proto_flock)
return;
gf_proto_flock->type = (gf_flock->l_type);
gf_proto_flock->whence = (gf_flock->l_whence);
gf_proto_flock->start = (gf_flock->l_start);
gf_proto_flock->len = (gf_flock->l_len);
gf_proto_flock->pid = (gf_flock->l_pid);
gf_proto_flock->lk_owner.lk_owner_len = gf_flock->l_owner.len;
if (gf_flock->l_owner.len)
gf_proto_flock->lk_owner.lk_owner_val = gf_flock->l_owner.data;
}
static inline void
gf_stat_to_iatt (struct gf_iatt *gf_stat, struct iatt *iatt)
{
if (!iatt || !gf_stat)
return;
memcpy (iatt->ia_gfid, gf_stat->ia_gfid, 16);
iatt->ia_ino = gf_stat->ia_ino ;
iatt->ia_dev = gf_stat->ia_dev ;
iatt->ia_type = ia_type_from_st_mode (gf_stat->mode) ;
iatt->ia_prot = ia_prot_from_st_mode (gf_stat->mode) ;
iatt->ia_nlink = gf_stat->ia_nlink ;
iatt->ia_uid = gf_stat->ia_uid ;
iatt->ia_gid = gf_stat->ia_gid ;
iatt->ia_rdev = gf_stat->ia_rdev ;
iatt->ia_size = gf_stat->ia_size ;
iatt->ia_blksize = gf_stat->ia_blksize ;
iatt->ia_blocks = gf_stat->ia_blocks ;
iatt->ia_atime = gf_stat->ia_atime ;
iatt->ia_atime_nsec = gf_stat->ia_atime_nsec ;
iatt->ia_mtime = gf_stat->ia_mtime ;
iatt->ia_mtime_nsec = gf_stat->ia_mtime_nsec ;
iatt->ia_ctime = gf_stat->ia_ctime ;
iatt->ia_ctime_nsec = gf_stat->ia_ctime_nsec ;
}
static inline void
gf_stat_from_iatt (struct gf_iatt *gf_stat, struct iatt *iatt)
{
if (!iatt || !gf_stat)
return;
memcpy (gf_stat->ia_gfid, iatt->ia_gfid, 16);
gf_stat->ia_ino = iatt->ia_ino ;
gf_stat->ia_dev = iatt->ia_dev ;
gf_stat->mode = st_mode_from_ia (iatt->ia_prot, iatt->ia_type);
gf_stat->ia_nlink = iatt->ia_nlink ;
gf_stat->ia_uid = iatt->ia_uid ;
gf_stat->ia_gid = iatt->ia_gid ;
gf_stat->ia_rdev = iatt->ia_rdev ;
gf_stat->ia_size = iatt->ia_size ;
gf_stat->ia_blksize = iatt->ia_blksize ;
gf_stat->ia_blocks = iatt->ia_blocks ;
gf_stat->ia_atime = iatt->ia_atime ;
gf_stat->ia_atime_nsec = iatt->ia_atime_nsec ;
gf_stat->ia_mtime = iatt->ia_mtime ;
gf_stat->ia_mtime_nsec = iatt->ia_mtime_nsec ;
gf_stat->ia_ctime = iatt->ia_ctime ;
gf_stat->ia_ctime_nsec = iatt->ia_ctime_nsec ;
}
static inline int
gf_proto_cache_invalidation_from_upcall (xlator_t *this,
gfs3_cbk_cache_invalidation_req *gf_c_req,
struct gf_upcall *gf_up_data)
{
struct gf_upcall_cache_invalidation *gf_c_data = NULL;
int is_cache_inval = 0;
int ret = -1;
GF_VALIDATE_OR_GOTO(this->name, gf_c_req, out);
GF_VALIDATE_OR_GOTO(this->name, gf_up_data, out);
is_cache_inval = ((gf_up_data->event_type ==
GF_UPCALL_CACHE_INVALIDATION) ? 1 : 0);
GF_VALIDATE_OR_GOTO(this->name, is_cache_inval, out);
gf_c_data = (struct gf_upcall_cache_invalidation *)gf_up_data->data;
GF_VALIDATE_OR_GOTO(this->name, gf_c_data, out);
gf_c_req->gfid = uuid_utoa (gf_up_data->gfid);
gf_c_req->event_type = gf_up_data->event_type;
gf_c_req->flags = gf_c_data->flags;
gf_c_req->expire_time_attr = gf_c_data->expire_time_attr;
gf_stat_from_iatt (&gf_c_req->stat, &gf_c_data->stat);
gf_stat_from_iatt (&gf_c_req->parent_stat, &gf_c_data->p_stat);
gf_stat_from_iatt (&gf_c_req->oldparent_stat, &gf_c_data->oldp_stat);
ret = 0;
GF_PROTOCOL_DICT_SERIALIZE (this, gf_c_data->dict, &(gf_c_req->xdata).xdata_val,
(gf_c_req->xdata).xdata_len, ret, out);
out:
return ret;
}
static inline int
gf_proto_cache_invalidation_to_upcall (xlator_t *this,
gfs3_cbk_cache_invalidation_req *gf_c_req,
struct gf_upcall *gf_up_data)
{
struct gf_upcall_cache_invalidation *gf_c_data = NULL;
int ret = -1;
GF_VALIDATE_OR_GOTO(this->name, gf_c_req, out);
GF_VALIDATE_OR_GOTO(this->name, gf_up_data, out);
gf_c_data = (struct gf_upcall_cache_invalidation *)gf_up_data->data;
GF_VALIDATE_OR_GOTO(this->name, gf_c_data, out);
ret = gf_uuid_parse (gf_c_req->gfid, gf_up_data->gfid);
if (ret) {
gf_log (this->name, GF_LOG_WARNING, "gf_uuid_parse(%s) failed",
gf_c_req->gfid);
gf_up_data->event_type = GF_UPCALL_EVENT_NULL;
goto out;
}
gf_up_data->event_type = gf_c_req->event_type;
gf_c_data->flags = gf_c_req->flags;
gf_c_data->expire_time_attr = gf_c_req->expire_time_attr;
gf_stat_to_iatt (&gf_c_req->stat, &gf_c_data->stat);
gf_stat_to_iatt (&gf_c_req->parent_stat, &gf_c_data->p_stat);
gf_stat_to_iatt (&gf_c_req->oldparent_stat, &gf_c_data->oldp_stat);
ret = 0;
GF_PROTOCOL_DICT_UNSERIALIZE (this, gf_c_data->dict,
(gf_c_req->xdata).xdata_val,
(gf_c_req->xdata).xdata_len, ret,
ret, out);
if (ret > 0) {
ret = -ret;
goto out;
}
/* If no dict was sent, create an empty dict, so that each xlator
* need not check if empty then create new dict. Will be unref'd by the
* caller */
if (!gf_c_data->dict)
gf_c_data->dict = dict_new ();
out:
return ret;
}
#endif /* !_GLUSTERFS3_H */
|
