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fe000966 DM |
1 | /* |
2 | Copyright (C) 2010 Proxmox Server Solutions GmbH | |
3 | ||
4 | This program is free software: you can redistribute it and/or modify | |
5 | it under the terms of the GNU Affero General Public License as published by | |
6 | the Free Software Foundation, either version 3 of the License, or | |
7 | (at your option) any later version. | |
8 | ||
9 | This program is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | GNU Affero General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Affero General Public License | |
15 | along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | ||
17 | Author: Dietmar Maurer <dietmar@proxmox.com> | |
18 | ||
19 | */ | |
20 | ||
21 | #ifdef HAVE_CONFIG_H | |
22 | #include <config.h> | |
23 | #endif /* HAVE_CONFIG_H */ | |
24 | ||
25 | #include <stdlib.h> | |
26 | #include <stdio.h> | |
27 | #include <string.h> | |
28 | #include <unistd.h> | |
29 | #include <glib.h> | |
30 | #include <sys/types.h> | |
31 | #include <sys/stat.h> | |
32 | #include <sys/file.h> | |
33 | #include <fcntl.h> | |
34 | #include <errno.h> | |
35 | #include <dirent.h> | |
36 | ||
37 | #include "cfs-utils.h" | |
38 | #include "cfs-plug.h" | |
39 | ||
40 | static struct cfs_operations cfs_ops; | |
41 | ||
42 | static cfs_plug_t *cfs_plug_base_lookup_plug(cfs_plug_t *plug, char **path) | |
43 | { | |
44 | g_return_val_if_fail(plug != NULL, NULL); | |
45 | g_return_val_if_fail(plug->ops == &cfs_ops, NULL); | |
46 | g_return_val_if_fail(path != NULL, NULL); | |
47 | ||
48 | cfs_plug_base_t *bplug = (cfs_plug_base_t *)plug; | |
49 | ||
50 | g_return_val_if_fail(bplug->entries != NULL, NULL); | |
51 | ||
52 | cfs_debug("cfs_plug_base_lookup_plug %s", *path); | |
53 | ||
54 | if (!*path || !(*path)[0]) | |
55 | return plug; | |
56 | ||
57 | char *name = strsep(path, "/"); | |
58 | ||
59 | cfs_debug("cfs_plug_base_lookup_plug name = %s new path = %s", name, *path); | |
60 | ||
61 | cfs_plug_t *sub; | |
62 | ||
63 | if (!(sub = (cfs_plug_t *)g_hash_table_lookup(bplug->entries, name))) { | |
64 | /* revert strsep modification */ | |
65 | if (*path) (*path)[-1] = '/'; | |
66 | *path = name; | |
67 | return plug; | |
68 | } | |
69 | ||
70 | if ((sub = sub->lookup_plug(sub, path))) | |
71 | return sub; | |
72 | ||
73 | *path = NULL; | |
74 | return NULL; | |
75 | } | |
76 | ||
77 | static int cfs_plug_base_getattr(cfs_plug_t *plug, const char *path, struct stat *stbuf) | |
78 | { | |
79 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
80 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
81 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
82 | g_return_val_if_fail(stbuf != NULL, PARAM_CHECK_ERRNO); | |
83 | ||
84 | cfs_debug("enter cfs_plug_base_getattr %s", path); | |
85 | ||
86 | int ret = -EACCES; | |
87 | ||
88 | memset(stbuf, 0, sizeof(struct stat)); | |
89 | ||
90 | if (*path) { | |
91 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
92 | ||
93 | if (base && base->ops && base->ops->getattr) | |
94 | ret = base->ops->getattr(base, path, stbuf); | |
95 | goto ret; | |
96 | } | |
97 | ||
98 | stbuf->st_mode = S_IFDIR | 0777; | |
99 | stbuf->st_nlink = 2; | |
100 | ret = 0; | |
101 | ||
102 | ret: | |
103 | cfs_debug("leave cfs_plug_base_getattr %s", path); | |
104 | return ret; | |
105 | } | |
106 | ||
107 | ||
108 | struct hash_filler { | |
109 | void *buf; | |
110 | GHashTable *entries; | |
111 | fuse_fill_dir_t filler; | |
112 | }; | |
113 | ||
114 | static int tmp_hash_filler ( | |
115 | void *buf, | |
116 | const char *name, | |
117 | const struct stat *stbuf, | |
118 | off_t off) { | |
119 | ||
120 | struct hash_filler *hf = (struct hash_filler *)buf; | |
121 | ||
122 | if (hf->entries && g_hash_table_lookup(hf->entries, name)) | |
123 | return 0; | |
124 | ||
125 | if (name[0] == '.' && (name[1] == 0 || (name[1] == '.' && name[2] == 0))) | |
126 | return 0; | |
127 | ||
128 | hf->filler(hf->buf, name, stbuf, off); | |
129 | ||
130 | return 0; | |
131 | } | |
132 | ||
133 | static int cfs_plug_base_readdir(cfs_plug_t *plug, const char *path, void *buf, fuse_fill_dir_t filler, | |
134 | off_t offset, struct fuse_file_info *fi) | |
135 | { | |
136 | (void) offset; | |
137 | (void) fi; | |
138 | ||
139 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
140 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
141 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
142 | g_return_val_if_fail(buf != NULL, PARAM_CHECK_ERRNO); | |
143 | g_return_val_if_fail(filler != NULL, PARAM_CHECK_ERRNO); | |
144 | ||
145 | cfs_plug_base_t *bplug = (cfs_plug_base_t *)plug; | |
146 | ||
147 | cfs_debug("enter cfs_plug_base_readdir %s", path); | |
148 | ||
149 | int ret = -EACCES; | |
150 | ||
151 | filler(buf, ".", NULL, 0); | |
152 | filler(buf, "..", NULL, 0); | |
153 | ||
154 | if (!path[0]) { | |
155 | GHashTableIter iter; | |
156 | gpointer key, value; | |
157 | ||
158 | g_hash_table_iter_init (&iter, bplug->entries); | |
159 | ||
160 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
161 | filler(buf, key, NULL, 0); | |
162 | } | |
163 | } | |
164 | ||
165 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
166 | ||
167 | if (base && base->ops && base->ops->readdir) { | |
168 | struct hash_filler hf = { | |
169 | .buf = buf, | |
170 | .filler = filler, | |
171 | .entries = NULL | |
172 | }; | |
173 | ||
174 | if (!path[0]) | |
175 | hf.entries = bplug->entries; | |
176 | ||
177 | ret = base->ops->readdir(base, path, &hf, tmp_hash_filler, 0, fi); | |
178 | ||
179 | } else { | |
180 | ret = 0; | |
181 | } | |
182 | ||
183 | return ret; | |
184 | } | |
185 | ||
186 | static int cfs_plug_base_mkdir(cfs_plug_t *plug, const char *path, mode_t mode) | |
187 | { | |
188 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
189 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
190 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
191 | ||
192 | cfs_debug("enter cfs_plug_base_mkdir %s", path); | |
193 | ||
194 | int ret = -EACCES; | |
195 | ||
196 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
197 | ||
198 | if (*path && base && base->ops && base->ops->mkdir) | |
199 | ret = base->ops->mkdir(base, path, mode); | |
200 | ||
201 | return ret; | |
202 | } | |
203 | ||
204 | static int cfs_plug_base_rmdir(cfs_plug_t *plug, const char *path) | |
205 | { | |
206 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
207 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
208 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
209 | ||
210 | cfs_debug("enter cfs_plug_base_rmdir %s", path); | |
211 | ||
212 | int ret = -EACCES; | |
213 | ||
214 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
215 | ||
216 | if (*path && base && base->ops && base->ops->rmdir) | |
217 | ret = base->ops->rmdir(base, path); | |
218 | ||
219 | return ret; | |
220 | } | |
221 | ||
222 | static int cfs_plug_base_rename(cfs_plug_t *plug, const char *from, const char *to) | |
223 | { | |
224 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
225 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
226 | g_return_val_if_fail(from != NULL, PARAM_CHECK_ERRNO); | |
227 | g_return_val_if_fail(to != NULL, PARAM_CHECK_ERRNO); | |
228 | ||
229 | cfs_debug("enter cfs_plug_base_rename from %s to %s", from, to); | |
230 | ||
231 | int ret = -EACCES; | |
232 | ||
233 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
234 | ||
235 | if (base && base->ops && base->ops->rename) | |
236 | ret = base->ops->rename(base, from, to); | |
237 | ||
238 | return ret; | |
239 | } | |
240 | ||
241 | static int cfs_plug_base_open(cfs_plug_t *plug, const char *path, struct fuse_file_info *fi) | |
242 | { | |
243 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
244 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
245 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
246 | g_return_val_if_fail(fi != NULL, PARAM_CHECK_ERRNO); | |
247 | ||
248 | cfs_debug("enter cfs_plug_base_open %s", path); | |
249 | ||
250 | int ret = -EACCES; | |
251 | ||
252 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
253 | ||
254 | if (base && base->ops && base->ops->open) | |
255 | ret = base->ops->open(base, path, fi); | |
256 | ||
257 | return ret; | |
258 | } | |
259 | ||
260 | static int cfs_plug_base_read(cfs_plug_t *plug, const char *path, char *buf, | |
261 | size_t size, off_t offset, struct fuse_file_info *fi) | |
262 | { | |
263 | (void) fi; | |
264 | ||
265 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
266 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
267 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
268 | g_return_val_if_fail(buf != NULL, PARAM_CHECK_ERRNO); | |
269 | g_return_val_if_fail(fi != NULL, PARAM_CHECK_ERRNO); | |
270 | ||
e5a5a3ea | 271 | cfs_debug("enter cfs_plug_base_read %s %zu %jd", path, size, offset); |
fe000966 DM |
272 | |
273 | int ret = -EACCES; | |
274 | ||
275 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
276 | ||
277 | if (base && base->ops && base->ops->read) | |
278 | ret = base->ops->read(base, path, buf, size, offset, fi); | |
279 | ||
280 | return ret; | |
281 | } | |
282 | ||
283 | static int cfs_plug_base_write(cfs_plug_t *plug, const char *path, const char *buf, | |
284 | size_t size, off_t offset, struct fuse_file_info *fi) | |
285 | { | |
286 | (void) fi; | |
287 | ||
288 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
289 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
290 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
291 | g_return_val_if_fail(buf != NULL, PARAM_CHECK_ERRNO); | |
292 | g_return_val_if_fail(fi != NULL, PARAM_CHECK_ERRNO); | |
293 | ||
e5a5a3ea | 294 | cfs_debug("enter cfs_plug_base_write %s %zu %jd", path, size, offset); |
fe000966 DM |
295 | |
296 | int ret = -EACCES; | |
297 | ||
298 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
299 | ||
300 | if (base && base->ops && base->ops->write) | |
301 | ret = base->ops->write(base, path, buf, size, offset, fi); | |
302 | ||
303 | return ret; | |
304 | } | |
305 | ||
306 | static int cfs_plug_base_truncate(cfs_plug_t *plug, const char *path, off_t size) | |
307 | { | |
308 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
309 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
310 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
311 | ||
e5a5a3ea | 312 | cfs_debug("enter cfs_plug_base_truncate %s %jd", path, size); |
fe000966 DM |
313 | |
314 | int ret = -EACCES; | |
315 | ||
316 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
317 | ||
318 | if (base && base->ops && base->ops->truncate) | |
319 | ret = base->ops->truncate(base, path, size); | |
320 | ||
321 | return ret; | |
322 | } | |
323 | ||
324 | static int cfs_plug_base_create(cfs_plug_t *plug, const char *path, mode_t mode, | |
325 | struct fuse_file_info *fi) | |
326 | { | |
327 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
328 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
329 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
330 | g_return_val_if_fail(fi != NULL, PARAM_CHECK_ERRNO); | |
331 | ||
332 | cfs_debug("enter cfs_plug_base_create %s", path); | |
333 | ||
334 | int ret = -EACCES; | |
335 | ||
336 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
337 | ||
338 | if (base && base->ops && base->ops->create) | |
339 | ret = base->ops->create(base, path, mode, fi); | |
340 | ||
341 | return ret; | |
342 | } | |
343 | ||
344 | static int cfs_plug_base_unlink(cfs_plug_t *plug, const char *path) | |
345 | { | |
346 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
347 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
348 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
349 | ||
350 | cfs_debug("enter cfs_plug_base_unlink %s", path); | |
351 | ||
352 | int ret = -EACCES; | |
353 | ||
354 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
355 | ||
356 | if (base && base->ops && base->ops->unlink) | |
357 | ret = base->ops->unlink(base, path); | |
358 | ||
359 | return ret; | |
360 | } | |
361 | ||
362 | static int cfs_plug_base_readlink(cfs_plug_t *plug, const char *path, char *buf, size_t max) | |
363 | { | |
364 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
365 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
366 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
367 | g_return_val_if_fail(buf != NULL, PARAM_CHECK_ERRNO); | |
368 | ||
369 | cfs_debug("enter cfs_plug_base_readlink %s", path); | |
370 | ||
371 | int ret = -EACCES; | |
372 | ||
373 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
374 | ||
375 | if (base && base->ops && base->ops->readlink) | |
376 | ret = base->ops->readlink(base, path, buf, max); | |
377 | ||
378 | return ret; | |
379 | } | |
380 | ||
381 | static int cfs_plug_base_utimens(cfs_plug_t *plug, const char *path, const struct timespec tv[2]) | |
382 | { | |
383 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
384 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
385 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
386 | g_return_val_if_fail(tv != NULL, PARAM_CHECK_ERRNO); | |
387 | ||
388 | cfs_debug("enter cfs_plug_utimes %s", path); | |
389 | ||
390 | int ret = -EACCES; | |
391 | ||
392 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
393 | ||
394 | if (base && base->ops && base->ops->utimens) | |
395 | ret = base->ops->utimens(base, path, tv); | |
396 | ||
397 | return ret; | |
398 | } | |
399 | ||
400 | static int cfs_plug_base_statfs(cfs_plug_t *plug, const char *path, struct statvfs *stbuf) | |
401 | { | |
402 | g_return_val_if_fail(plug != NULL, PARAM_CHECK_ERRNO); | |
403 | g_return_val_if_fail(plug->ops == &cfs_ops, PARAM_CHECK_ERRNO); | |
404 | g_return_val_if_fail(path != NULL, PARAM_CHECK_ERRNO); | |
405 | g_return_val_if_fail(stbuf != NULL, PARAM_CHECK_ERRNO); | |
406 | ||
407 | cfs_debug("enter cfs_plug_base_statfs %s", path); | |
408 | ||
409 | int ret = -EACCES; | |
410 | ||
411 | cfs_plug_t *base = ((cfs_plug_base_t *)plug)->base; | |
412 | ||
413 | if (base && base->ops && base->ops->statfs) | |
414 | ret = base->ops->statfs(base, path, stbuf); | |
415 | ||
416 | return ret; | |
417 | } | |
418 | ||
419 | static gboolean plug_remove_func( | |
420 | gpointer key, | |
421 | gpointer value, | |
422 | gpointer user_data) | |
423 | { | |
424 | cfs_plug_t *plug = (cfs_plug_t *)value; | |
425 | ||
426 | if (plug && plug->destroy_plug) | |
427 | plug->destroy_plug(plug); | |
428 | ||
429 | return TRUE; | |
430 | } | |
431 | ||
432 | static void cfs_plug_base_destroy(cfs_plug_t *plug) | |
433 | { | |
434 | g_return_if_fail(plug != NULL); | |
435 | g_return_if_fail(plug->ops == &cfs_ops); | |
436 | ||
437 | cfs_plug_base_t *bplug = (cfs_plug_base_t *)plug; | |
438 | ||
439 | cfs_debug("enter cfs_plug_base_destroy %s", plug->name); | |
440 | ||
441 | if (bplug->entries) { | |
442 | g_hash_table_foreach_remove(bplug->entries, plug_remove_func, NULL); | |
443 | g_hash_table_destroy(bplug->entries); | |
444 | } | |
445 | ||
446 | if (bplug->base && bplug->base->destroy_plug) { | |
447 | bplug->base->destroy_plug(bplug->base); | |
448 | } | |
449 | ||
450 | g_free(plug->name); | |
451 | ||
452 | g_free(plug); | |
453 | } | |
454 | ||
455 | static void cfs_plug_base_start_workers(cfs_plug_t *plug) | |
456 | { | |
457 | g_return_if_fail(plug != NULL); | |
458 | g_return_if_fail(plug->ops == &cfs_ops); | |
459 | ||
460 | cfs_plug_base_t *bplug = (cfs_plug_base_t *)plug; | |
461 | GHashTableIter iter; | |
462 | gpointer key, value; | |
463 | ||
464 | g_hash_table_iter_init (&iter, bplug->entries); | |
465 | ||
466 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
467 | ||
468 | cfs_plug_t *p = (cfs_plug_t *)value; | |
469 | ||
470 | if (p->start_workers) | |
471 | p->start_workers(p); | |
472 | ||
473 | } | |
474 | ||
475 | if (bplug->base && bplug->base->start_workers) { | |
476 | bplug->base->start_workers(bplug->base); | |
477 | } | |
478 | ||
479 | } | |
480 | ||
481 | static void cfs_plug_base_stop_workers(cfs_plug_t *plug) | |
482 | { | |
483 | g_return_if_fail(plug != NULL); | |
484 | g_return_if_fail(plug->ops == &cfs_ops); | |
485 | ||
486 | cfs_plug_base_t *bplug = (cfs_plug_base_t *)plug; | |
487 | GHashTableIter iter; | |
488 | gpointer key, value; | |
489 | ||
490 | g_hash_table_iter_init (&iter, bplug->entries); | |
491 | ||
492 | if (bplug->base && bplug->base->stop_workers) { | |
493 | bplug->base->stop_workers(bplug->base); | |
494 | } | |
495 | ||
496 | while (g_hash_table_iter_next (&iter, &key, &value)) { | |
497 | ||
498 | cfs_plug_t *p = (cfs_plug_t *)value; | |
499 | ||
500 | if (p->stop_workers) | |
501 | p->stop_workers(p); | |
502 | ||
503 | } | |
504 | } | |
505 | ||
506 | static struct cfs_operations cfs_ops = { | |
507 | .getattr = cfs_plug_base_getattr, | |
508 | .create = cfs_plug_base_create, | |
509 | .open = cfs_plug_base_open, | |
510 | .read = cfs_plug_base_read, | |
511 | .write = cfs_plug_base_write, | |
512 | .truncate = cfs_plug_base_truncate, | |
513 | .unlink = cfs_plug_base_unlink, | |
514 | .readdir = cfs_plug_base_readdir, | |
515 | .mkdir = cfs_plug_base_mkdir, | |
516 | .rmdir = cfs_plug_base_rmdir, | |
517 | .rename = cfs_plug_base_rename, | |
518 | .readlink = cfs_plug_base_readlink, | |
519 | .utimens = cfs_plug_base_utimens, | |
520 | .statfs = cfs_plug_base_statfs, | |
521 | }; | |
522 | ||
523 | cfs_plug_base_t *cfs_plug_base_new(const char *name, cfs_plug_t *base) | |
524 | { | |
525 | g_return_val_if_fail(name != NULL, NULL); | |
526 | g_return_val_if_fail(base != NULL, NULL); | |
527 | ||
528 | cfs_plug_base_t *plug = g_new0(cfs_plug_base_t, 1); | |
529 | ||
530 | plug->plug.lookup_plug = cfs_plug_base_lookup_plug; | |
531 | plug->plug.destroy_plug = cfs_plug_base_destroy; | |
532 | plug->plug.start_workers = cfs_plug_base_start_workers; | |
533 | plug->plug.stop_workers = cfs_plug_base_stop_workers; | |
534 | ||
535 | plug->entries = g_hash_table_new(g_str_hash, g_str_equal); | |
536 | ||
537 | plug->plug.name = g_strdup(name); | |
538 | ||
539 | plug->plug.ops = &cfs_ops; | |
540 | ||
541 | plug->base = base; | |
542 | ||
543 | return plug; | |
544 | } | |
545 | ||
546 | void cfs_plug_base_insert(cfs_plug_base_t *bplug, cfs_plug_t *sub) | |
547 | { | |
548 | g_return_if_fail(bplug != NULL); | |
549 | g_return_if_fail(sub != NULL); | |
550 | g_return_if_fail(sub->name != NULL); | |
551 | ||
552 | g_hash_table_replace(bplug->entries, sub->name, sub); | |
553 | } |