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1 | /* |
2 | Copyright (C) 2010 by Ronnie Sahlberg <ronniesahlberg@gmail.com> | |
3 | ||
4 | This program is free software; you can redistribute it and/or modify | |
5 | it under the terms of the GNU Lesser General Public License as published by | |
6 | the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public License | |
15 | along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | /* | |
18 | * High level api to nfs filesystems | |
19 | */ | |
20 | ||
21 | #include "config.h" | |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <strings.h> | |
26 | #include <sys/types.h> | |
27 | #include <sys/stat.h> | |
28 | #include <sys/statvfs.h> | |
29 | #include <sys/ioctl.h> | |
30 | #include <unistd.h> | |
31 | #include <fcntl.h> | |
32 | #include <errno.h> | |
33 | #include <poll.h> | |
34 | #include <sys/socket.h> | |
35 | #include <net/if.h> | |
36 | #include <netdb.h> | |
37 | #include "libnfs.h" | |
38 | #include "libnfs-raw.h" | |
39 | #include "libnfs-raw-mount.h" | |
40 | #include "libnfs-raw-nfs.h" | |
41 | #include "libnfs-private.h" | |
42 | ||
43 | struct sync_cb_data { | |
44 | int is_finished; | |
45 | int status; | |
46 | off_t offset; | |
47 | void *return_data; | |
48 | int return_int; | |
49 | }; | |
50 | ||
51 | ||
52 | static void wait_for_reply(struct rpc_context *rpc, struct sync_cb_data *cb_data) | |
53 | { | |
54 | struct pollfd pfd; | |
55 | ||
56 | for (;;) { | |
57 | if (cb_data->is_finished) { | |
58 | break; | |
59 | } | |
60 | pfd.fd = rpc_get_fd(rpc); | |
61 | pfd.events = rpc_which_events(rpc); | |
62 | ||
63 | if (poll(&pfd, 1, -1) < 0) { | |
64 | rpc_set_error(rpc, "Poll failed"); | |
65 | cb_data->status = -EIO; | |
66 | break; | |
67 | } | |
68 | if (rpc_service(rpc, pfd.revents) < 0) { | |
69 | rpc_set_error(rpc, "rpc_service failed"); | |
70 | cb_data->status = -EIO; | |
71 | break; | |
72 | } | |
73 | } | |
74 | } | |
75 | ||
76 | ||
77 | ||
78 | ||
79 | ||
80 | ||
81 | /* | |
82 | * connect to the server and mount the export | |
83 | */ | |
84 | static void mount_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
85 | { | |
86 | struct sync_cb_data *cb_data = private_data; | |
87 | ||
88 | cb_data->is_finished = 1; | |
89 | cb_data->status = status; | |
90 | ||
91 | if (status < 0) { | |
92 | nfs_set_error(nfs, "mount/mnt call failed with \"%s\"", (char *)data); | |
93 | return; | |
94 | } | |
95 | } | |
96 | ||
97 | int nfs_mount(struct nfs_context *nfs, const char *server, const char *export) | |
98 | { | |
99 | struct sync_cb_data cb_data; | |
100 | ||
101 | cb_data.is_finished = 0; | |
102 | ||
103 | if (nfs_mount_async(nfs, server, export, mount_cb, &cb_data) != 0) { | |
104 | nfs_set_error(nfs, "nfs_mount_async failed"); | |
105 | return -1; | |
106 | } | |
107 | ||
108 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
109 | ||
110 | return cb_data.status; | |
111 | } | |
112 | ||
113 | ||
114 | /* | |
115 | * stat() | |
116 | */ | |
117 | static void stat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
118 | { | |
119 | struct sync_cb_data *cb_data = private_data; | |
120 | ||
121 | cb_data->is_finished = 1; | |
122 | cb_data->status = status; | |
123 | ||
124 | if (status < 0) { | |
125 | nfs_set_error(nfs, "stat call failed with \"%s\"", (char *)data); | |
126 | return; | |
127 | } | |
128 | ||
129 | memcpy(cb_data->return_data, data, sizeof(struct stat)); | |
130 | } | |
131 | ||
132 | int nfs_stat(struct nfs_context *nfs, const char *path, struct stat *st) | |
133 | { | |
134 | struct sync_cb_data cb_data; | |
135 | ||
136 | cb_data.is_finished = 0; | |
137 | cb_data.return_data = st; | |
138 | ||
139 | if (nfs_stat_async(nfs, path, stat_cb, &cb_data) != 0) { | |
140 | nfs_set_error(nfs, "nfs_stat_async failed"); | |
141 | return -1; | |
142 | } | |
143 | ||
144 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
145 | ||
146 | return cb_data.status; | |
147 | } | |
148 | ||
149 | ||
150 | ||
151 | ||
152 | /* | |
153 | * open() | |
154 | */ | |
155 | static void open_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
156 | { | |
157 | struct sync_cb_data *cb_data = private_data; | |
158 | struct nfsfh *fh, **nfsfh; | |
159 | ||
160 | cb_data->is_finished = 1; | |
161 | cb_data->status = status; | |
162 | ||
163 | if (status < 0) { | |
164 | nfs_set_error(nfs, "open call failed with \"%s\"", (char *)data); | |
165 | return; | |
166 | } | |
167 | ||
168 | fh = data; | |
169 | nfsfh = cb_data->return_data; | |
170 | *nfsfh = fh; | |
171 | } | |
172 | ||
173 | int nfs_open(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh) | |
174 | { | |
175 | struct sync_cb_data cb_data; | |
176 | ||
177 | cb_data.is_finished = 0; | |
178 | cb_data.return_data = nfsfh; | |
179 | ||
180 | if (nfs_open_async(nfs, path, mode, open_cb, &cb_data) != 0) { | |
181 | nfs_set_error(nfs, "nfs_open_async failed"); | |
182 | return -1; | |
183 | } | |
184 | ||
185 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
186 | ||
187 | return cb_data.status; | |
188 | } | |
189 | ||
190 | ||
191 | ||
192 | ||
193 | /* | |
194 | * pread() | |
195 | */ | |
196 | static void pread_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
197 | { | |
198 | struct sync_cb_data *cb_data = private_data; | |
199 | char *buffer; | |
200 | cb_data->is_finished = 1; | |
201 | cb_data->status = status; | |
202 | ||
203 | if (status < 0) { | |
204 | nfs_set_error(nfs, "pread call failed with \"%s\"", (char *)data); | |
205 | return; | |
206 | } | |
207 | ||
208 | buffer = cb_data->return_data; | |
209 | memcpy(buffer, (char *)data, status); | |
210 | } | |
211 | ||
212 | int nfs_pread(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buffer) | |
213 | { | |
214 | struct sync_cb_data cb_data; | |
215 | ||
216 | cb_data.is_finished = 0; | |
217 | cb_data.return_data = buffer; | |
218 | ||
219 | if (nfs_pread_async(nfs, nfsfh, offset, count, pread_cb, &cb_data) != 0) { | |
220 | nfs_set_error(nfs, "nfs_pread_async failed"); | |
221 | return -1; | |
222 | } | |
223 | ||
224 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
225 | ||
226 | return cb_data.status; | |
227 | } | |
228 | ||
229 | /* | |
230 | * read() | |
231 | */ | |
232 | int nfs_read(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buffer) | |
233 | { | |
234 | return nfs_pread(nfs, nfsfh, nfs_get_current_offset(nfsfh), count, buffer); | |
235 | } | |
236 | ||
237 | /* | |
238 | * close() | |
239 | */ | |
240 | static void close_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
241 | { | |
242 | struct sync_cb_data *cb_data = private_data; | |
243 | cb_data->is_finished = 1; | |
244 | cb_data->status = status; | |
245 | ||
246 | if (status < 0) { | |
247 | nfs_set_error(nfs, "close call failed with \"%s\"", (char *)data); | |
248 | return; | |
249 | } | |
250 | } | |
251 | ||
252 | int nfs_close(struct nfs_context *nfs, struct nfsfh *nfsfh) | |
253 | { | |
254 | struct sync_cb_data cb_data; | |
255 | ||
256 | cb_data.is_finished = 0; | |
257 | ||
258 | if (nfs_close_async(nfs, nfsfh, close_cb, &cb_data) != 0) { | |
259 | nfs_set_error(nfs, "nfs_close_async failed"); | |
260 | return -1; | |
261 | } | |
262 | ||
263 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
264 | ||
265 | return cb_data.status; | |
266 | } | |
267 | ||
268 | ||
269 | ||
270 | ||
271 | /* | |
272 | * fstat() | |
273 | */ | |
274 | int nfs_fstat(struct nfs_context *nfs, struct nfsfh *nfsfh, struct stat *st) | |
275 | { | |
276 | struct sync_cb_data cb_data; | |
277 | ||
278 | cb_data.is_finished = 0; | |
279 | cb_data.return_data = st; | |
280 | ||
281 | if (nfs_fstat_async(nfs, nfsfh, stat_cb, &cb_data) != 0) { | |
282 | nfs_set_error(nfs, "nfs_fstat_async failed"); | |
283 | return -1; | |
284 | } | |
285 | ||
286 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
287 | ||
288 | return cb_data.status; | |
289 | } | |
290 | ||
291 | ||
292 | /* | |
293 | * pwrite() | |
294 | */ | |
295 | static void pwrite_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
296 | { | |
297 | struct sync_cb_data *cb_data = private_data; | |
298 | cb_data->is_finished = 1; | |
299 | cb_data->status = status; | |
300 | ||
301 | if (status < 0) { | |
302 | nfs_set_error(nfs, "pwrite call failed with \"%s\"", (char *)data); | |
303 | return; | |
304 | } | |
305 | } | |
306 | ||
307 | int nfs_pwrite(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf) | |
308 | { | |
309 | struct sync_cb_data cb_data; | |
310 | ||
311 | cb_data.is_finished = 0; | |
312 | ||
313 | if (nfs_pwrite_async(nfs, nfsfh, offset, count, buf, pwrite_cb, &cb_data) != 0) { | |
314 | nfs_set_error(nfs, "nfs_pwrite_async failed"); | |
315 | return -1; | |
316 | } | |
317 | ||
318 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
319 | ||
320 | return cb_data.status; | |
321 | } | |
322 | ||
323 | /* | |
324 | * write() | |
325 | */ | |
326 | int nfs_write(struct nfs_context *nfs, struct nfsfh *nfsfh, size_t count, char *buf) | |
327 | { | |
328 | return nfs_pwrite(nfs, nfsfh, nfs_get_current_offset(nfsfh), count, buf); | |
329 | } | |
330 | ||
331 | ||
332 | /* | |
333 | * fsync() | |
334 | */ | |
335 | static void fsync_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
336 | { | |
337 | struct sync_cb_data *cb_data = private_data; | |
338 | cb_data->is_finished = 1; | |
339 | cb_data->status = status; | |
340 | ||
341 | if (status < 0) { | |
342 | nfs_set_error(nfs, "fsync call failed with \"%s\"", (char *)data); | |
343 | return; | |
344 | } | |
345 | } | |
346 | ||
347 | int nfs_fsync(struct nfs_context *nfs, struct nfsfh *nfsfh) | |
348 | { | |
349 | struct sync_cb_data cb_data; | |
350 | ||
351 | cb_data.is_finished = 0; | |
352 | ||
353 | if (nfs_fsync_async(nfs, nfsfh, fsync_cb, &cb_data) != 0) { | |
354 | nfs_set_error(nfs, "nfs_fsync_async failed"); | |
355 | return -1; | |
356 | } | |
357 | ||
358 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
359 | ||
360 | return cb_data.status; | |
361 | } | |
362 | ||
363 | ||
364 | ||
365 | ||
366 | /* | |
367 | * ftruncate() | |
368 | */ | |
369 | static void ftruncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
370 | { | |
371 | struct sync_cb_data *cb_data = private_data; | |
372 | cb_data->is_finished = 1; | |
373 | cb_data->status = status; | |
374 | ||
375 | if (status < 0) { | |
376 | nfs_set_error(nfs, "ftruncate call failed with \"%s\"", (char *)data); | |
377 | return; | |
378 | } | |
379 | } | |
380 | ||
381 | int nfs_ftruncate(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t length) | |
382 | { | |
383 | struct sync_cb_data cb_data; | |
384 | ||
385 | cb_data.is_finished = 0; | |
386 | ||
387 | if (nfs_ftruncate_async(nfs, nfsfh, length, ftruncate_cb, &cb_data) != 0) { | |
388 | nfs_set_error(nfs, "nfs_ftruncate_async failed"); | |
389 | return -1; | |
390 | } | |
391 | ||
392 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
393 | ||
394 | return cb_data.status; | |
395 | } | |
396 | ||
397 | ||
398 | ||
399 | /* | |
400 | * truncate() | |
401 | */ | |
402 | static void truncate_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
403 | { | |
404 | struct sync_cb_data *cb_data = private_data; | |
405 | cb_data->is_finished = 1; | |
406 | cb_data->status = status; | |
407 | ||
408 | if (status < 0) { | |
409 | nfs_set_error(nfs, "truncate call failed with \"%s\"", (char *)data); | |
410 | return; | |
411 | } | |
412 | } | |
413 | ||
414 | int nfs_truncate(struct nfs_context *nfs, const char *path, off_t length) | |
415 | { | |
416 | struct sync_cb_data cb_data; | |
417 | ||
418 | cb_data.is_finished = 0; | |
419 | ||
420 | if (nfs_truncate_async(nfs, path, length, truncate_cb, &cb_data) != 0) { | |
421 | nfs_set_error(nfs, "nfs_ftruncate_async failed"); | |
422 | return -1; | |
423 | } | |
424 | ||
425 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
426 | ||
427 | return cb_data.status; | |
428 | } | |
429 | ||
430 | ||
431 | ||
432 | ||
433 | ||
434 | /* | |
435 | * mkdir() | |
436 | */ | |
437 | static void mkdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
438 | { | |
439 | struct sync_cb_data *cb_data = private_data; | |
440 | cb_data->is_finished = 1; | |
441 | cb_data->status = status; | |
442 | ||
443 | if (status < 0) { | |
444 | nfs_set_error(nfs, "mkdir call failed with \"%s\"", (char *)data); | |
445 | return; | |
446 | } | |
447 | } | |
448 | ||
449 | int nfs_mkdir(struct nfs_context *nfs, const char *path) | |
450 | { | |
451 | struct sync_cb_data cb_data; | |
452 | ||
453 | cb_data.is_finished = 0; | |
454 | ||
455 | if (nfs_mkdir_async(nfs, path, mkdir_cb, &cb_data) != 0) { | |
456 | nfs_set_error(nfs, "nfs_mkdir_async failed"); | |
457 | return -1; | |
458 | } | |
459 | ||
460 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
461 | ||
462 | return cb_data.status; | |
463 | } | |
464 | ||
465 | ||
466 | ||
467 | ||
468 | ||
469 | /* | |
470 | * rmdir() | |
471 | */ | |
472 | static void rmdir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
473 | { | |
474 | struct sync_cb_data *cb_data = private_data; | |
475 | cb_data->is_finished = 1; | |
476 | cb_data->status = status; | |
477 | ||
478 | if (status < 0) { | |
479 | nfs_set_error(nfs, "rmdir call failed with \"%s\"", (char *)data); | |
480 | return; | |
481 | } | |
482 | } | |
483 | ||
484 | int nfs_rmdir(struct nfs_context *nfs, const char *path) | |
485 | { | |
486 | struct sync_cb_data cb_data; | |
487 | ||
488 | cb_data.is_finished = 0; | |
489 | ||
490 | if (nfs_rmdir_async(nfs, path, rmdir_cb, &cb_data) != 0) { | |
491 | nfs_set_error(nfs, "nfs_rmdir_async failed"); | |
492 | return -1; | |
493 | } | |
494 | ||
495 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
496 | ||
497 | return cb_data.status; | |
498 | } | |
499 | ||
500 | ||
501 | ||
502 | /* | |
503 | * creat() | |
504 | */ | |
505 | static void creat_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
506 | { | |
507 | struct sync_cb_data *cb_data = private_data; | |
508 | struct nfsfh *fh, **nfsfh; | |
509 | ||
510 | cb_data->is_finished = 1; | |
511 | cb_data->status = status; | |
512 | ||
513 | if (status < 0) { | |
514 | nfs_set_error(nfs, "creat call failed with \"%s\"", (char *)data); | |
515 | return; | |
516 | } | |
517 | ||
518 | fh = data; | |
519 | nfsfh = cb_data->return_data; | |
520 | *nfsfh = fh; | |
521 | } | |
522 | ||
523 | int nfs_creat(struct nfs_context *nfs, const char *path, int mode, struct nfsfh **nfsfh) | |
524 | { | |
525 | struct sync_cb_data cb_data; | |
526 | ||
527 | cb_data.is_finished = 0; | |
528 | cb_data.return_data = nfsfh; | |
529 | ||
530 | if (nfs_creat_async(nfs, path, mode, creat_cb, &cb_data) != 0) { | |
531 | nfs_set_error(nfs, "nfs_creat_async failed"); | |
532 | return -1; | |
533 | } | |
534 | ||
535 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
536 | ||
537 | return cb_data.status; | |
538 | } | |
539 | ||
540 | ||
541 | ||
542 | ||
543 | /* | |
544 | * unlink() | |
545 | */ | |
546 | static void unlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
547 | { | |
548 | struct sync_cb_data *cb_data = private_data; | |
549 | ||
550 | cb_data->is_finished = 1; | |
551 | cb_data->status = status; | |
552 | ||
553 | if (status < 0) { | |
554 | nfs_set_error(nfs, "unlink call failed with \"%s\"", (char *)data); | |
555 | return; | |
556 | } | |
557 | } | |
558 | ||
559 | int nfs_unlink(struct nfs_context *nfs, const char *path) | |
560 | { | |
561 | struct sync_cb_data cb_data; | |
562 | ||
563 | cb_data.is_finished = 0; | |
564 | ||
565 | if (nfs_unlink_async(nfs, path, unlink_cb, &cb_data) != 0) { | |
566 | nfs_set_error(nfs, "nfs_unlink_async failed"); | |
567 | return -1; | |
568 | } | |
569 | ||
570 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
571 | ||
572 | return cb_data.status; | |
573 | } | |
574 | ||
575 | ||
576 | ||
577 | /* | |
578 | * opendir() | |
579 | */ | |
580 | static void opendir_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
581 | { | |
582 | struct sync_cb_data *cb_data = private_data; | |
583 | struct nfsdir *dir, **nfsdir; | |
584 | ||
585 | cb_data->is_finished = 1; | |
586 | cb_data->status = status; | |
587 | ||
588 | if (status < 0) { | |
589 | nfs_set_error(nfs, "opendir call failed with \"%s\"", (char *)data); | |
590 | return; | |
591 | } | |
592 | ||
593 | dir = data; | |
594 | nfsdir = cb_data->return_data; | |
595 | *nfsdir = dir; | |
596 | } | |
597 | ||
598 | int nfs_opendir(struct nfs_context *nfs, const char *path, struct nfsdir **nfsdir) | |
599 | { | |
600 | struct sync_cb_data cb_data; | |
601 | ||
602 | cb_data.is_finished = 0; | |
603 | cb_data.return_data = nfsdir; | |
604 | ||
605 | if (nfs_opendir_async(nfs, path, opendir_cb, &cb_data) != 0) { | |
606 | nfs_set_error(nfs, "nfs_opendir_async failed"); | |
607 | return -1; | |
608 | } | |
609 | ||
610 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
611 | ||
612 | return cb_data.status; | |
613 | } | |
614 | ||
615 | ||
616 | /* | |
617 | * lseek() | |
618 | */ | |
619 | static void lseek_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
620 | { | |
621 | struct sync_cb_data *cb_data = private_data; | |
622 | ||
623 | cb_data->is_finished = 1; | |
624 | cb_data->status = status; | |
625 | ||
626 | if (status < 0) { | |
627 | nfs_set_error(nfs, "lseek call failed with \"%s\"", (char *)data); | |
628 | return; | |
629 | } | |
630 | ||
631 | if (cb_data->return_data != NULL) { | |
632 | memcpy(cb_data->return_data, data, sizeof(off_t)); | |
633 | } | |
634 | } | |
635 | ||
636 | int nfs_lseek(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, int whence, off_t *current_offset) | |
637 | { | |
638 | struct sync_cb_data cb_data; | |
639 | ||
640 | cb_data.is_finished = 0; | |
641 | cb_data.return_data = current_offset; | |
642 | ||
643 | if (nfs_lseek_async(nfs, nfsfh, offset, whence, lseek_cb, &cb_data) != 0) { | |
644 | nfs_set_error(nfs, "nfs_lseek_async failed"); | |
645 | return -1; | |
646 | } | |
647 | ||
648 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
649 | ||
650 | return cb_data.status; | |
651 | } | |
652 | ||
653 | ||
654 | ||
655 | /* | |
656 | * statvfs() | |
657 | */ | |
658 | static void statvfs_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
659 | { | |
660 | struct sync_cb_data *cb_data = private_data; | |
661 | ||
662 | cb_data->is_finished = 1; | |
663 | cb_data->status = status; | |
664 | ||
665 | if (status < 0) { | |
666 | nfs_set_error(nfs, "statvfs call failed with \"%s\"", (char *)data); | |
667 | return; | |
668 | } | |
669 | ||
670 | memcpy(cb_data->return_data, data, sizeof(struct statvfs)); | |
671 | } | |
672 | ||
673 | int nfs_statvfs(struct nfs_context *nfs, const char *path, struct statvfs *svfs) | |
674 | { | |
675 | struct sync_cb_data cb_data; | |
676 | ||
677 | cb_data.is_finished = 0; | |
678 | cb_data.return_data = svfs; | |
679 | ||
680 | if (nfs_statvfs_async(nfs, path, statvfs_cb, &cb_data) != 0) { | |
681 | nfs_set_error(nfs, "nfs_statvfs_async failed"); | |
682 | return -1; | |
683 | } | |
684 | ||
685 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
686 | ||
687 | return cb_data.status; | |
688 | } | |
689 | ||
690 | ||
691 | ||
692 | ||
693 | ||
694 | /* | |
695 | * readlink() | |
696 | */ | |
697 | static void readlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
698 | { | |
699 | struct sync_cb_data *cb_data = private_data; | |
700 | ||
701 | cb_data->is_finished = 1; | |
702 | cb_data->status = status; | |
703 | ||
704 | if (status < 0) { | |
705 | nfs_set_error(nfs, "readlink call failed with \"%s\"", (char *)data); | |
706 | return; | |
707 | } | |
708 | ||
709 | if (strlen(data) > (size_t)cb_data->return_int) { | |
710 | nfs_set_error(nfs, "Too small buffer for readlink"); | |
711 | cb_data->status = -ENAMETOOLONG; | |
712 | return; | |
713 | } | |
714 | ||
715 | memcpy(cb_data->return_data, data, strlen(data)+1); | |
716 | } | |
717 | ||
718 | int nfs_readlink(struct nfs_context *nfs, const char *path, char *buf, int bufsize) | |
719 | { | |
720 | struct sync_cb_data cb_data; | |
721 | ||
722 | cb_data.is_finished = 0; | |
723 | cb_data.return_data = buf; | |
724 | cb_data.return_int = bufsize; | |
725 | ||
726 | if (nfs_readlink_async(nfs, path, readlink_cb, &cb_data) != 0) { | |
727 | nfs_set_error(nfs, "nfs_readlink_async failed"); | |
728 | return -1; | |
729 | } | |
730 | ||
731 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
732 | ||
733 | return cb_data.status; | |
734 | } | |
735 | ||
736 | ||
737 | ||
738 | /* | |
739 | * chmod() | |
740 | */ | |
741 | static void chmod_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
742 | { | |
743 | struct sync_cb_data *cb_data = private_data; | |
744 | ||
745 | cb_data->is_finished = 1; | |
746 | cb_data->status = status; | |
747 | ||
748 | if (status < 0) { | |
749 | nfs_set_error(nfs, "chmod call failed with \"%s\"", (char *)data); | |
750 | return; | |
751 | } | |
752 | } | |
753 | ||
754 | int nfs_chmod(struct nfs_context *nfs, const char *path, int mode) | |
755 | { | |
756 | struct sync_cb_data cb_data; | |
757 | ||
758 | cb_data.is_finished = 0; | |
759 | ||
760 | if (nfs_chmod_async(nfs, path, mode, chmod_cb, &cb_data) != 0) { | |
761 | nfs_set_error(nfs, "nfs_chmod_async failed"); | |
762 | return -1; | |
763 | } | |
764 | ||
765 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
766 | ||
767 | return cb_data.status; | |
768 | } | |
769 | ||
770 | ||
771 | ||
772 | ||
773 | /* | |
774 | * fchmod() | |
775 | */ | |
776 | static void fchmod_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
777 | { | |
778 | struct sync_cb_data *cb_data = private_data; | |
779 | ||
780 | cb_data->is_finished = 1; | |
781 | cb_data->status = status; | |
782 | ||
783 | if (status < 0) { | |
784 | nfs_set_error(nfs, "fchmod call failed with \"%s\"", (char *)data); | |
785 | return; | |
786 | } | |
787 | } | |
788 | ||
789 | int nfs_fchmod(struct nfs_context *nfs, struct nfsfh *nfsfh, int mode) | |
790 | { | |
791 | struct sync_cb_data cb_data; | |
792 | ||
793 | cb_data.is_finished = 0; | |
794 | ||
795 | if (nfs_fchmod_async(nfs, nfsfh, mode, fchmod_cb, &cb_data) != 0) { | |
796 | nfs_set_error(nfs, "nfs_fchmod_async failed"); | |
797 | return -1; | |
798 | } | |
799 | ||
800 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
801 | ||
802 | return cb_data.status; | |
803 | } | |
804 | ||
805 | ||
806 | ||
807 | ||
808 | /* | |
809 | * chown() | |
810 | */ | |
811 | static void chown_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
812 | { | |
813 | struct sync_cb_data *cb_data = private_data; | |
814 | ||
815 | cb_data->is_finished = 1; | |
816 | cb_data->status = status; | |
817 | ||
818 | if (status < 0) { | |
819 | nfs_set_error(nfs, "chown call failed with \"%s\"", (char *)data); | |
820 | return; | |
821 | } | |
822 | } | |
823 | ||
824 | int nfs_chown(struct nfs_context *nfs, const char *path, int uid, int gid) | |
825 | { | |
826 | struct sync_cb_data cb_data; | |
827 | ||
828 | cb_data.is_finished = 0; | |
829 | ||
830 | if (nfs_chown_async(nfs, path, uid, gid, chown_cb, &cb_data) != 0) { | |
831 | nfs_set_error(nfs, "nfs_chown_async failed"); | |
832 | return -1; | |
833 | } | |
834 | ||
835 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
836 | ||
837 | return cb_data.status; | |
838 | } | |
839 | ||
840 | /* | |
841 | * fchown() | |
842 | */ | |
843 | static void fchown_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
844 | { | |
845 | struct sync_cb_data *cb_data = private_data; | |
846 | ||
847 | cb_data->is_finished = 1; | |
848 | cb_data->status = status; | |
849 | ||
850 | if (status < 0) { | |
851 | nfs_set_error(nfs, "fchown call failed with \"%s\"", (char *)data); | |
852 | return; | |
853 | } | |
854 | } | |
855 | ||
856 | int nfs_fchown(struct nfs_context *nfs, struct nfsfh *nfsfh, int uid, int gid) | |
857 | { | |
858 | struct sync_cb_data cb_data; | |
859 | ||
860 | cb_data.is_finished = 0; | |
861 | ||
862 | if (nfs_fchown_async(nfs, nfsfh, uid, gid, fchown_cb, &cb_data) != 0) { | |
863 | nfs_set_error(nfs, "nfs_fchown_async failed"); | |
864 | return -1; | |
865 | } | |
866 | ||
867 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
868 | ||
869 | return cb_data.status; | |
870 | } | |
871 | ||
872 | ||
873 | ||
874 | /* | |
875 | * utimes() | |
876 | */ | |
877 | static void utimes_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
878 | { | |
879 | struct sync_cb_data *cb_data = private_data; | |
880 | ||
881 | cb_data->is_finished = 1; | |
882 | cb_data->status = status; | |
883 | ||
884 | if (status < 0) { | |
885 | nfs_set_error(nfs, "utimes call failed with \"%s\"", (char *)data); | |
886 | return; | |
887 | } | |
888 | } | |
889 | ||
890 | int nfs_utimes(struct nfs_context *nfs, const char *path, struct timeval *times) | |
891 | { | |
892 | struct sync_cb_data cb_data; | |
893 | ||
894 | cb_data.is_finished = 0; | |
895 | ||
896 | if (nfs_utimes_async(nfs, path, times, utimes_cb, &cb_data) != 0) { | |
897 | nfs_set_error(nfs, "nfs_utimes_async failed"); | |
898 | return -1; | |
899 | } | |
900 | ||
901 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
902 | ||
903 | return cb_data.status; | |
904 | } | |
905 | ||
906 | ||
907 | ||
908 | /* | |
909 | * utime() | |
910 | */ | |
911 | static void utime_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
912 | { | |
913 | struct sync_cb_data *cb_data = private_data; | |
914 | ||
915 | cb_data->is_finished = 1; | |
916 | cb_data->status = status; | |
917 | ||
918 | if (status < 0) { | |
919 | nfs_set_error(nfs, "utime call failed with \"%s\"", (char *)data); | |
920 | return; | |
921 | } | |
922 | } | |
923 | ||
924 | int nfs_utime(struct nfs_context *nfs, const char *path, struct utimbuf *times) | |
925 | { | |
926 | struct sync_cb_data cb_data; | |
927 | ||
928 | cb_data.is_finished = 0; | |
929 | ||
930 | if (nfs_utime_async(nfs, path, times, utime_cb, &cb_data) != 0) { | |
931 | nfs_set_error(nfs, "nfs_utimes_async failed"); | |
932 | return -1; | |
933 | } | |
934 | ||
935 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
936 | ||
937 | return cb_data.status; | |
938 | } | |
939 | ||
940 | ||
941 | ||
942 | ||
943 | /* | |
944 | * access() | |
945 | */ | |
946 | static void access_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
947 | { | |
948 | struct sync_cb_data *cb_data = private_data; | |
949 | ||
950 | cb_data->is_finished = 1; | |
951 | cb_data->status = status; | |
952 | ||
953 | if (status < 0) { | |
954 | nfs_set_error(nfs, "access call failed with \"%s\"", (char *)data); | |
955 | return; | |
956 | } | |
957 | } | |
958 | ||
959 | int nfs_access(struct nfs_context *nfs, const char *path, int mode) | |
960 | { | |
961 | struct sync_cb_data cb_data; | |
962 | ||
963 | cb_data.is_finished = 0; | |
964 | ||
965 | if (nfs_access_async(nfs, path, mode, access_cb, &cb_data) != 0) { | |
966 | nfs_set_error(nfs, "nfs_access_async failed"); | |
967 | return -1; | |
968 | } | |
969 | ||
970 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
971 | ||
972 | return cb_data.status; | |
973 | } | |
974 | ||
975 | ||
976 | ||
977 | /* | |
978 | * symlink() | |
979 | */ | |
980 | static void symlink_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
981 | { | |
982 | struct sync_cb_data *cb_data = private_data; | |
983 | ||
984 | cb_data->is_finished = 1; | |
985 | cb_data->status = status; | |
986 | ||
987 | if (status < 0) { | |
988 | nfs_set_error(nfs, "symlink call failed with \"%s\"", (char *)data); | |
989 | return; | |
990 | } | |
991 | } | |
992 | ||
993 | int nfs_symlink(struct nfs_context *nfs, const char *oldpath, const char *newpath) | |
994 | { | |
995 | struct sync_cb_data cb_data; | |
996 | ||
997 | cb_data.is_finished = 0; | |
998 | ||
999 | if (nfs_symlink_async(nfs, oldpath, newpath, symlink_cb, &cb_data) != 0) { | |
1000 | nfs_set_error(nfs, "nfs_symlink_async failed"); | |
1001 | return -1; | |
1002 | } | |
1003 | ||
1004 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
1005 | ||
1006 | return cb_data.status; | |
1007 | } | |
1008 | ||
1009 | ||
1010 | ||
1011 | /* | |
1012 | * rename() | |
1013 | */ | |
1014 | static void rename_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
1015 | { | |
1016 | struct sync_cb_data *cb_data = private_data; | |
1017 | ||
1018 | cb_data->is_finished = 1; | |
1019 | cb_data->status = status; | |
1020 | ||
1021 | if (status < 0) { | |
1022 | nfs_set_error(nfs, "rename call failed with \"%s\"", (char *)data); | |
1023 | return; | |
1024 | } | |
1025 | } | |
1026 | ||
1027 | int nfs_rename(struct nfs_context *nfs, const char *oldpath, const char *newpath) | |
1028 | { | |
1029 | struct sync_cb_data cb_data; | |
1030 | ||
1031 | cb_data.is_finished = 0; | |
1032 | ||
1033 | if (nfs_rename_async(nfs, oldpath, newpath, rename_cb, &cb_data) != 0) { | |
1034 | nfs_set_error(nfs, "nfs_rename_async failed"); | |
1035 | return -1; | |
1036 | } | |
1037 | ||
1038 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
1039 | ||
1040 | return cb_data.status; | |
1041 | } | |
1042 | ||
1043 | ||
1044 | ||
1045 | /* | |
1046 | * link() | |
1047 | */ | |
1048 | static void link_cb(int status, struct nfs_context *nfs, void *data, void *private_data) | |
1049 | { | |
1050 | struct sync_cb_data *cb_data = private_data; | |
1051 | ||
1052 | cb_data->is_finished = 1; | |
1053 | cb_data->status = status; | |
1054 | ||
1055 | if (status < 0) { | |
1056 | nfs_set_error(nfs, "link call failed with \"%s\"", (char *)data); | |
1057 | return; | |
1058 | } | |
1059 | } | |
1060 | ||
1061 | int nfs_link(struct nfs_context *nfs, const char *oldpath, const char *newpath) | |
1062 | { | |
1063 | struct sync_cb_data cb_data; | |
1064 | ||
1065 | cb_data.is_finished = 0; | |
1066 | ||
1067 | if (nfs_link_async(nfs, oldpath, newpath, link_cb, &cb_data) != 0) { | |
1068 | nfs_set_error(nfs, "nfs_link_async failed"); | |
1069 | return -1; | |
1070 | } | |
1071 | ||
1072 | wait_for_reply(nfs_get_rpc_context(nfs), &cb_data); | |
1073 | ||
1074 | return cb_data.status; | |
1075 | } | |
1076 | ||
1077 | void mount_getexports_cb(struct rpc_context *mount_context, int status, void *data, void *private_data) | |
1078 | { | |
1079 | struct sync_cb_data *cb_data = private_data; | |
1080 | exports export = *(exports *)data; | |
1081 | ||
1082 | cb_data->is_finished = 1; | |
1083 | cb_data->status = status; | |
1084 | cb_data->return_data = NULL; | |
1085 | ||
1086 | if (status != 0) { | |
1087 | rpc_set_error(mount_context, "mount/export call failed with \"%s\"", (char *)data); | |
1088 | return; | |
1089 | } | |
1090 | ||
1091 | while (export != NULL) { | |
1092 | exports new_export; | |
1093 | ||
1094 | new_export = malloc(sizeof(*new_export)); | |
1095 | memset(new_export, 0, sizeof(*new_export)); | |
1096 | new_export->ex_dir = strdup(export->ex_dir); | |
1097 | new_export->ex_next = cb_data->return_data; | |
1098 | ||
1099 | cb_data->return_data = new_export; | |
1100 | ||
1101 | export = export->ex_next; | |
1102 | } | |
1103 | } | |
1104 | ||
1105 | struct exportnode *mount_getexports(const char *server) | |
1106 | { | |
1107 | struct sync_cb_data cb_data; | |
1108 | struct rpc_context *rpc; | |
1109 | ||
1110 | ||
1111 | cb_data.is_finished = 0; | |
1112 | cb_data.return_data = NULL; | |
1113 | ||
1114 | rpc = rpc_init_context(); | |
1115 | if (mount_getexports_async(rpc, server, mount_getexports_cb, &cb_data) != 0) { | |
1116 | rpc_destroy_context(rpc); | |
1117 | return NULL; | |
1118 | } | |
1119 | ||
1120 | wait_for_reply(rpc, &cb_data); | |
1121 | rpc_destroy_context(rpc); | |
1122 | ||
1123 | return cb_data.return_data; | |
1124 | } | |
1125 | ||
1126 | void mount_free_export_list(struct exportnode *exports) | |
1127 | { | |
1128 | struct exportnode *tmp; | |
1129 | ||
1130 | while ((tmp = exports)) { | |
1131 | exports = exports->ex_next; | |
1132 | free(tmp->ex_dir); | |
1133 | free(tmp); | |
1134 | } | |
1135 | } | |
1136 | ||
1137 | ||
1138 | ||
1139 | ||
1140 | void free_nfs_srvr_list(struct nfs_server_list *srv) | |
1141 | { | |
1142 | while (srv != NULL) { | |
1143 | struct nfs_server_list *next = srv->next; | |
1144 | ||
1145 | free(srv->addr); | |
1146 | free(srv); | |
1147 | srv = next; | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | struct nfs_list_data { | |
1152 | int status; | |
1153 | struct nfs_server_list *srvrs; | |
1154 | }; | |
1155 | ||
1156 | void callit_cb(struct rpc_context *rpc, int status, void *data _U_, void *private_data) | |
1157 | { | |
1158 | struct nfs_list_data *srv_data = private_data; | |
1159 | struct sockaddr *sin; | |
1160 | char hostdd[16]; | |
1161 | struct nfs_server_list *srvr; | |
1162 | ||
1163 | if (status == RPC_STATUS_CANCEL) { | |
1164 | return; | |
1165 | } | |
1166 | if (status != 0) { | |
1167 | srv_data->status = -1; | |
1168 | return; | |
1169 | } | |
1170 | ||
1171 | sin = rpc_get_recv_sockaddr(rpc); | |
1172 | if (sin == NULL) { | |
1173 | rpc_set_error(rpc, "failed to get sockaddr in CALLIT callback"); | |
1174 | srv_data->status = -1; | |
1175 | return; | |
1176 | } | |
1177 | ||
1178 | if (getnameinfo(sin, sizeof(struct sockaddr_in), &hostdd[0], sizeof(hostdd), NULL, 0, NI_NUMERICHOST) < 0) { | |
1179 | rpc_set_error(rpc, "getnameinfo failed in CALLIT callback"); | |
1180 | srv_data->status = -1; | |
1181 | return; | |
1182 | } | |
1183 | ||
1184 | /* check for dupes */ | |
1185 | for (srvr = srv_data->srvrs; srvr; srvr = srvr->next) { | |
1186 | if (!strcmp(hostdd, srvr->addr)) { | |
1187 | return 0; | |
1188 | } | |
1189 | } | |
1190 | ||
1191 | srvr = malloc(sizeof(struct nfs_server_list)); | |
1192 | if (srvr == NULL) { | |
1193 | rpc_set_error(rpc, "Malloc failed when allocating server structure"); | |
1194 | srv_data->status = -1; | |
1195 | return; | |
1196 | } | |
1197 | ||
1198 | srvr->addr = strdup(hostdd); | |
1199 | if (srvr->addr == NULL) { | |
1200 | rpc_set_error(rpc, "Strdup failed when allocating server structure"); | |
1201 | free(srvr); | |
1202 | srv_data->status = -1; | |
1203 | return; | |
1204 | } | |
1205 | ||
1206 | srvr->next = srv_data->srvrs; | |
1207 | srv_data->srvrs = srvr; | |
1208 | } | |
1209 | ||
1210 | static int send_nfsd_probes(struct rpc_context *rpc, struct ifconf *ifc, struct nfs_list_data *data) | |
1211 | { | |
1212 | char *ptr; | |
1213 | ||
1214 | for (ptr =(char *)(ifc->ifc_buf); ptr < (char *)(ifc->ifc_buf) + ifc->ifc_len; ) { | |
1215 | struct ifreq *ifr; | |
1216 | char bcdd[16]; | |
1217 | ||
1218 | ifr = (struct ifreq *)ptr; | |
1219 | #ifdef HAVE_SOCKADDR_LEN | |
1220 | if (ifr->ifr_addr.sa_len > sizeof(struct sockaddr)) { | |
1221 | ptr += sizeof(ifr->ifr_name) + ifr->ifr_addr.sa_len; | |
1222 | } else { | |
1223 | ptr += sizeof(ifr->ifr_name) + sizeof(struct sockaddr); | |
1224 | } | |
1225 | #else | |
1226 | ptr += sizeof(struct ifreq); | |
1227 | #endif | |
1228 | ||
1229 | if (ifr->ifr_addr.sa_family != AF_INET) { | |
1230 | continue; | |
1231 | } | |
1232 | if (ioctl(rpc_get_fd(rpc), SIOCGIFFLAGS, ifr) < 0) { | |
1233 | return -1; | |
1234 | } | |
1235 | if (!(ifr->ifr_flags & IFF_UP)) { | |
1236 | continue; | |
1237 | } | |
1238 | if (ifr->ifr_flags & IFF_LOOPBACK) { | |
1239 | continue; | |
1240 | } | |
1241 | if (!(ifr->ifr_flags & IFF_BROADCAST)) { | |
1242 | continue; | |
1243 | } | |
1244 | if (ioctl(rpc_get_fd(rpc), SIOCGIFBRDADDR, ifr) < 0) { | |
1245 | continue; | |
1246 | } | |
1247 | if (getnameinfo(&ifr->ifr_broadaddr, sizeof(struct sockaddr_in), &bcdd[0], sizeof(bcdd), NULL, 0, NI_NUMERICHOST) < 0) { | |
1248 | continue; | |
1249 | } | |
1250 | if (rpc_set_udp_destination(rpc, bcdd, 111, 1) < 0) { | |
1251 | return -1; | |
1252 | } | |
1253 | ||
1254 | if (rpc_pmap_callit_async(rpc, MOUNT_PROGRAM, 2, 0, NULL, 0, callit_cb, data) < 0) { | |
1255 | return -1; | |
1256 | } | |
1257 | } | |
1258 | ||
1259 | return 0; | |
1260 | } | |
1261 | ||
1262 | struct nfs_server_list *nfs_find_local_servers(void) | |
1263 | { | |
1264 | struct rpc_context *rpc; | |
1265 | struct nfs_list_data data = {0, NULL}; | |
1266 | struct timeval tv_start, tv_current; | |
1267 | struct ifconf ifc; | |
1268 | int size, loop; | |
1269 | struct pollfd pfd; | |
1270 | ||
1271 | rpc = rpc_init_udp_context(); | |
1272 | if (rpc == NULL) { | |
1273 | return NULL; | |
1274 | } | |
1275 | ||
1276 | if (rpc_bind_udp(rpc, "0.0.0.0", 0) < 0) { | |
1277 | rpc_destroy_context(rpc); | |
1278 | return NULL; | |
1279 | } | |
1280 | ||
1281 | ||
1282 | /* get list of all interfaces */ | |
1283 | size = sizeof(struct ifreq); | |
1284 | ifc.ifc_buf = NULL; | |
1285 | ifc.ifc_len = size; | |
1286 | ||
1287 | while(ifc.ifc_len > (size - sizeof(struct ifreq))) { | |
1288 | size *= 2; | |
1289 | ||
1290 | free(ifc.ifc_buf); | |
1291 | ifc.ifc_len = size; | |
1292 | ifc.ifc_buf = malloc(size); | |
1293 | memset(ifc.ifc_buf, 0, size); | |
1294 | if (ioctl(rpc_get_fd(rpc), SIOCGIFCONF, (caddr_t)&ifc) < 0) { | |
1295 | rpc_destroy_context(rpc); | |
1296 | free(ifc.ifc_buf); | |
1297 | return NULL; | |
1298 | } | |
1299 | } | |
1300 | ||
1301 | for (loop=0; loop<3; loop++) { | |
1302 | if (send_nfsd_probes(rpc, &ifc, &data) != 0) { | |
1303 | rpc_destroy_context(rpc); | |
1304 | free(ifc.ifc_buf); | |
1305 | return NULL; | |
1306 | } | |
1307 | ||
1308 | gettimeofday(&tv_start, NULL); | |
1309 | for(;;) { | |
1310 | int mpt; | |
1311 | ||
1312 | pfd.fd = rpc_get_fd(rpc); | |
1313 | pfd.events = rpc_which_events(rpc); | |
1314 | ||
1315 | gettimeofday(&tv_current, NULL); | |
1316 | mpt = 1000 | |
1317 | - (tv_current.tv_sec *1000 + tv_current.tv_usec / 1000) | |
1318 | + (tv_start.tv_sec *1000 + tv_start.tv_usec / 1000); | |
1319 | ||
1320 | if (poll(&pfd, 1, mpt) < 0) { | |
1321 | free_nfs_srvr_list(data.srvrs); | |
1322 | rpc_destroy_context(rpc); | |
1323 | return NULL; | |
1324 | } | |
1325 | if (pfd.revents == 0) { | |
1326 | break; | |
1327 | } | |
1328 | ||
1329 | if (rpc_service(rpc, pfd.revents) < 0) { | |
1330 | break; | |
1331 | } | |
1332 | } | |
1333 | } | |
1334 | ||
1335 | free(ifc.ifc_buf); | |
1336 | rpc_destroy_context(rpc); | |
1337 | ||
1338 | if (data.status != 0) { | |
1339 | free_nfs_srvr_list(data.srvrs); | |
1340 | return NULL; | |
1341 | } | |
1342 | ||
1343 | return data.srvrs; | |
1344 | } |