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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- | |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2009-2011 New Dream Network | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
15 | #include <fcntl.h> | |
16 | #include <iostream> | |
17 | #include <string.h> | |
18 | #include <string> | |
19 | ||
20 | #include "auth/Crypto.h" | |
21 | #include "client/Client.h" | |
22 | #include "client/Inode.h" | |
23 | #include "librados/RadosClient.h" | |
24 | #include "common/async/context_pool.h" | |
25 | #include "common/ceph_argparse.h" | |
26 | #include "common/common_init.h" | |
27 | #include "common/config.h" | |
28 | #include "common/version.h" | |
29 | #include "mon/MonClient.h" | |
30 | #include "include/str_list.h" | |
31 | #include "include/stringify.h" | |
32 | #include "include/object.h" | |
33 | #include "messages/MMonMap.h" | |
34 | #include "msg/Messenger.h" | |
35 | #include "include/ceph_assert.h" | |
36 | #include "mds/MDSMap.h" | |
37 | ||
38 | #include "include/cephfs/libcephfs.h" | |
39 | ||
40 | #define DEFAULT_UMASK 002 | |
41 | ||
42 | using namespace std; | |
43 | ||
44 | static mode_t umask_cb(void *); | |
45 | namespace { | |
46 | // Set things up this way so we don't start up threads until mount and | |
47 | // kill them off when the last mount goes away, but are tolerant to | |
48 | // multiple mounts of overlapping duration. | |
49 | std::shared_ptr<ceph::async::io_context_pool> get_icp(CephContext* cct) | |
50 | { | |
51 | static std::mutex m; | |
52 | static std::weak_ptr<ceph::async::io_context_pool> icwp; | |
53 | ||
54 | ||
55 | std::unique_lock l(m); | |
56 | ||
57 | auto icp = icwp.lock(); | |
58 | if (icp) | |
59 | return icp; | |
60 | ||
61 | icp = std::make_shared<ceph::async::io_context_pool>(); | |
62 | icwp = icp; | |
63 | icp->start(cct->_conf.get_val<std::uint64_t>("client_asio_thread_count")); | |
64 | return icp; | |
65 | } | |
66 | } | |
67 | ||
68 | struct ceph_mount_info | |
69 | { | |
70 | mode_t umask = DEFAULT_UMASK; | |
71 | std::shared_ptr<ceph::async::io_context_pool> icp; | |
72 | public: | |
73 | explicit ceph_mount_info(CephContext *cct_) | |
74 | : default_perms(), | |
75 | mounted(false), | |
76 | inited(false), | |
77 | client(nullptr), | |
78 | monclient(nullptr), | |
79 | messenger(nullptr), | |
80 | cct(cct_) | |
81 | { | |
82 | if (cct_) { | |
83 | cct->get(); | |
84 | } | |
85 | } | |
86 | ||
87 | ~ceph_mount_info() | |
88 | { | |
89 | try { | |
90 | shutdown(); | |
91 | if (cct) { | |
92 | cct->put(); | |
93 | cct = nullptr; | |
94 | } | |
95 | } | |
96 | catch (const std::exception& e) { | |
97 | // we shouldn't get here, but if we do, we want to know about it. | |
98 | lderr(cct) << "ceph_mount_info::~ceph_mount_info: caught exception: " | |
99 | << e.what() << dendl; | |
100 | } | |
101 | catch (...) { | |
102 | // ignore | |
103 | } | |
104 | } | |
105 | ||
106 | int init() | |
107 | { | |
108 | int ret; | |
109 | ||
110 | if (!cct->_log->is_started()) { | |
111 | cct->_log->start(); | |
112 | } | |
113 | icp = get_icp(cct); | |
114 | ||
115 | { | |
116 | MonClient mc_bootstrap(cct, icp->get_io_context()); | |
117 | ret = mc_bootstrap.get_monmap_and_config(); | |
118 | if (ret < 0) | |
119 | return ret; | |
120 | } | |
121 | ||
122 | common_init_finish(cct); | |
123 | ||
124 | //monmap | |
125 | monclient = new MonClient(cct, icp->get_io_context()); | |
126 | ret = -CEPHFS_ERROR_MON_MAP_BUILD; //defined in libcephfs.h; | |
127 | if (monclient->build_initial_monmap() < 0) | |
128 | goto fail; | |
129 | ||
130 | //network connection | |
131 | messenger = Messenger::create_client_messenger(cct, "client"); | |
132 | ||
133 | //at last the client | |
134 | ret = -CEPHFS_ERROR_NEW_CLIENT; //defined in libcephfs.h; | |
135 | client = new StandaloneClient(messenger, monclient, icp->get_io_context()); | |
136 | if (!client) | |
137 | goto fail; | |
138 | ||
139 | ret = -CEPHFS_ERROR_MESSENGER_START; //defined in libcephfs.h; | |
140 | if (messenger->start() != 0) | |
141 | goto fail; | |
142 | ||
143 | ret = client->init(); | |
144 | if (ret) | |
145 | goto fail; | |
146 | ||
147 | { | |
148 | ceph_client_callback_args args = {}; | |
149 | args.handle = this; | |
150 | args.umask_cb = umask_cb; | |
151 | client->ll_register_callbacks(&args); | |
152 | } | |
153 | ||
154 | default_perms = Client::pick_my_perms(cct); | |
155 | inited = true; | |
156 | return 0; | |
157 | ||
158 | fail: | |
159 | shutdown(); | |
160 | return ret; | |
161 | } | |
162 | ||
163 | int select_filesystem(const std::string &fs_name_) | |
164 | { | |
165 | if (mounted) { | |
166 | return -CEPHFS_EISCONN; | |
167 | } | |
168 | ||
169 | fs_name = fs_name_; | |
170 | return 0; | |
171 | } | |
172 | ||
173 | const std::string& get_filesystem(void) | |
174 | { | |
175 | return fs_name; | |
176 | } | |
177 | ||
178 | int mount(const std::string &mount_root, const UserPerm& perms) | |
179 | { | |
180 | int ret; | |
181 | ||
182 | if (mounted) | |
183 | return -CEPHFS_EISCONN; | |
184 | ||
185 | if (!inited) { | |
186 | ret = init(); | |
187 | if (ret != 0) { | |
188 | return ret; | |
189 | } | |
190 | } | |
191 | ||
192 | ret = client->mount(mount_root, perms, false, fs_name); | |
193 | if (ret) { | |
194 | shutdown(); | |
195 | return ret; | |
196 | } else { | |
197 | mounted = true; | |
198 | return 0; | |
199 | } | |
200 | } | |
201 | ||
202 | int unmount() | |
203 | { | |
204 | if (!mounted) | |
205 | return -CEPHFS_ENOTCONN; | |
206 | shutdown(); | |
207 | return 0; | |
208 | } | |
209 | int abort_conn() | |
210 | { | |
211 | if (mounted) { | |
212 | client->abort_conn(); | |
213 | mounted = false; | |
214 | } | |
215 | return 0; | |
216 | } | |
217 | ||
218 | void shutdown() | |
219 | { | |
220 | if (mounted) { | |
221 | client->unmount(); | |
222 | mounted = false; | |
223 | } | |
224 | if (inited) { | |
225 | client->shutdown(); | |
226 | inited = false; | |
227 | } | |
228 | if (messenger) { | |
229 | messenger->shutdown(); | |
230 | messenger->wait(); | |
231 | delete messenger; | |
232 | messenger = nullptr; | |
233 | } | |
234 | icp.reset(); | |
235 | if (monclient) { | |
236 | delete monclient; | |
237 | monclient = nullptr; | |
238 | } | |
239 | if (client) { | |
240 | delete client; | |
241 | client = nullptr; | |
242 | } | |
243 | } | |
244 | ||
245 | bool is_initialized() const | |
246 | { | |
247 | return inited; | |
248 | } | |
249 | ||
250 | bool is_mounted() | |
251 | { | |
252 | return mounted; | |
253 | } | |
254 | ||
255 | mode_t set_umask(mode_t umask) | |
256 | { | |
257 | this->umask = umask; | |
258 | return umask; | |
259 | } | |
260 | ||
261 | std::string getaddrs() | |
262 | { | |
263 | CachedStackStringStream cos; | |
264 | *cos << messenger->get_myaddrs(); | |
265 | return std::string(cos->strv()); | |
266 | } | |
267 | ||
268 | int conf_read_file(const char *path_list) | |
269 | { | |
270 | int ret = cct->_conf.parse_config_files(path_list, nullptr, 0); | |
271 | if (ret) | |
272 | return ret; | |
273 | cct->_conf.apply_changes(nullptr); | |
274 | cct->_conf.complain_about_parse_error(cct); | |
275 | return 0; | |
276 | } | |
277 | ||
278 | int conf_parse_argv(int argc, const char **argv) | |
279 | { | |
280 | auto args = argv_to_vec(argc, argv); | |
281 | int ret = cct->_conf.parse_argv(args); | |
282 | if (ret) | |
283 | return ret; | |
284 | cct->_conf.apply_changes(nullptr); | |
285 | return 0; | |
286 | } | |
287 | ||
288 | int conf_parse_env(const char *name) | |
289 | { | |
290 | auto& conf = cct->_conf; | |
291 | conf.parse_env(cct->get_module_type(), name); | |
292 | conf.apply_changes(nullptr); | |
293 | return 0; | |
294 | } | |
295 | ||
296 | int conf_set(const char *option, const char *value) | |
297 | { | |
298 | int ret = cct->_conf.set_val(option, value); | |
299 | if (ret) | |
300 | return ret; | |
301 | cct->_conf.apply_changes(nullptr); | |
302 | return 0; | |
303 | } | |
304 | ||
305 | int conf_get(const char *option, char *buf, size_t len) | |
306 | { | |
307 | char *tmp = buf; | |
308 | return cct->_conf.get_val(option, &tmp, len); | |
309 | } | |
310 | ||
311 | Client *get_client() | |
312 | { | |
313 | return client; | |
314 | } | |
315 | ||
316 | const char *get_cwd(const UserPerm& perms) | |
317 | { | |
318 | client->getcwd(cwd, perms); | |
319 | return cwd.c_str(); | |
320 | } | |
321 | ||
322 | int chdir(const char *to, const UserPerm& perms) | |
323 | { | |
324 | return client->chdir(to, cwd, perms); | |
325 | } | |
326 | ||
327 | CephContext *get_ceph_context() const { | |
328 | return cct; | |
329 | } | |
330 | ||
331 | UserPerm default_perms; | |
332 | private: | |
333 | bool mounted; | |
334 | bool inited; | |
335 | StandaloneClient *client; | |
336 | MonClient *monclient; | |
337 | Messenger *messenger; | |
338 | CephContext *cct; | |
339 | std::string cwd; | |
340 | std::string fs_name; | |
341 | }; | |
342 | ||
343 | static mode_t umask_cb(void *handle) | |
344 | { | |
345 | return ((struct ceph_mount_info *)handle)->umask; | |
346 | } | |
347 | ||
348 | static void do_out_buffer(bufferlist& outbl, char **outbuf, size_t *outbuflen) | |
349 | { | |
350 | if (outbuf) { | |
351 | if (outbl.length() > 0) { | |
352 | *outbuf = (char *)malloc(outbl.length()); | |
353 | memcpy(*outbuf, outbl.c_str(), outbl.length()); | |
354 | } else { | |
355 | *outbuf = nullptr; | |
356 | } | |
357 | } | |
358 | if (outbuflen) | |
359 | *outbuflen = outbl.length(); | |
360 | } | |
361 | ||
362 | static void do_out_buffer(string& outbl, char **outbuf, size_t *outbuflen) | |
363 | { | |
364 | if (outbuf) { | |
365 | if (outbl.length() > 0) { | |
366 | *outbuf = (char *)malloc(outbl.length()); | |
367 | memcpy(*outbuf, outbl.c_str(), outbl.length()); | |
368 | } else { | |
369 | *outbuf = nullptr; | |
370 | } | |
371 | } | |
372 | if (outbuflen) | |
373 | *outbuflen = outbl.length(); | |
374 | } | |
375 | ||
376 | extern "C" UserPerm *ceph_userperm_new(uid_t uid, gid_t gid, int ngids, | |
377 | gid_t *gidlist) | |
378 | { | |
379 | return new (std::nothrow) UserPerm(uid, gid, ngids, gidlist); | |
380 | } | |
381 | ||
382 | extern "C" void ceph_userperm_destroy(UserPerm *perm) | |
383 | { | |
384 | delete perm; | |
385 | } | |
386 | ||
387 | extern "C" const char *ceph_version(int *pmajor, int *pminor, int *ppatch) | |
388 | { | |
389 | int major, minor, patch; | |
390 | const char *v = ceph_version_to_str(); | |
391 | ||
392 | int n = sscanf(v, "%d.%d.%d", &major, &minor, &patch); | |
393 | if (pmajor) | |
394 | *pmajor = (n >= 1) ? major : 0; | |
395 | if (pminor) | |
396 | *pminor = (n >= 2) ? minor : 0; | |
397 | if (ppatch) | |
398 | *ppatch = (n >= 3) ? patch : 0; | |
399 | return PROJECT_VERSION; | |
400 | } | |
401 | ||
402 | extern "C" int ceph_create_with_context(struct ceph_mount_info **cmount, CephContext *cct) | |
403 | { | |
404 | *cmount = new struct ceph_mount_info(cct); | |
405 | return 0; | |
406 | } | |
407 | ||
408 | extern "C" int ceph_create_from_rados(struct ceph_mount_info **cmount, | |
409 | rados_t cluster) | |
410 | { | |
411 | auto rados = (librados::RadosClient *) cluster; | |
412 | auto cct = rados->cct; | |
413 | return ceph_create_with_context(cmount, cct); | |
414 | } | |
415 | ||
416 | extern "C" int ceph_create(struct ceph_mount_info **cmount, const char * const id) | |
417 | { | |
418 | CephInitParameters iparams(CEPH_ENTITY_TYPE_CLIENT); | |
419 | if (id) { | |
420 | iparams.name.set(CEPH_ENTITY_TYPE_CLIENT, id); | |
421 | } | |
422 | ||
423 | CephContext *cct = common_preinit(iparams, CODE_ENVIRONMENT_LIBRARY, 0); | |
424 | cct->_conf.parse_env(cct->get_module_type()); // environment variables coverride | |
425 | cct->_conf.apply_changes(nullptr); | |
426 | int ret = ceph_create_with_context(cmount, cct); | |
427 | cct->put(); | |
428 | cct = nullptr; | |
429 | return ret; | |
430 | } | |
431 | ||
432 | extern "C" int ceph_unmount(struct ceph_mount_info *cmount) | |
433 | { | |
434 | return cmount->unmount(); | |
435 | } | |
436 | ||
437 | extern "C" int ceph_abort_conn(struct ceph_mount_info *cmount) | |
438 | { | |
439 | return cmount->abort_conn(); | |
440 | } | |
441 | ||
442 | extern "C" int ceph_release(struct ceph_mount_info *cmount) | |
443 | { | |
444 | if (cmount->is_mounted()) | |
445 | return -CEPHFS_EISCONN; | |
446 | delete cmount; | |
447 | cmount = nullptr; | |
448 | return 0; | |
449 | } | |
450 | ||
451 | extern "C" void ceph_shutdown(struct ceph_mount_info *cmount) | |
452 | { | |
453 | cmount->shutdown(); | |
454 | delete cmount; | |
455 | cmount = nullptr; | |
456 | } | |
457 | ||
458 | extern "C" uint64_t ceph_get_instance_id(struct ceph_mount_info *cmount) | |
459 | { | |
460 | if (cmount->is_initialized()) | |
461 | return cmount->get_client()->get_nodeid().v; | |
462 | return 0; | |
463 | } | |
464 | ||
465 | extern "C" int ceph_getaddrs(struct ceph_mount_info *cmount, char** addrs) | |
466 | { | |
467 | if (!cmount->is_initialized()) | |
468 | return -CEPHFS_ENOTCONN; | |
469 | auto s = cmount->getaddrs(); | |
470 | *addrs = strdup(s.c_str()); | |
471 | return 0; | |
472 | } | |
473 | ||
474 | extern "C" int ceph_conf_read_file(struct ceph_mount_info *cmount, const char *path) | |
475 | { | |
476 | return cmount->conf_read_file(path); | |
477 | } | |
478 | ||
479 | extern "C" mode_t ceph_umask(struct ceph_mount_info *cmount, mode_t mode) | |
480 | { | |
481 | return cmount->set_umask(mode); | |
482 | } | |
483 | ||
484 | extern "C" int ceph_conf_parse_argv(struct ceph_mount_info *cmount, int argc, | |
485 | const char **argv) | |
486 | { | |
487 | return cmount->conf_parse_argv(argc, argv); | |
488 | } | |
489 | ||
490 | extern "C" int ceph_conf_parse_env(struct ceph_mount_info *cmount, const char *name) | |
491 | { | |
492 | return cmount->conf_parse_env(name); | |
493 | } | |
494 | ||
495 | extern "C" int ceph_conf_set(struct ceph_mount_info *cmount, const char *option, | |
496 | const char *value) | |
497 | { | |
498 | return cmount->conf_set(option, value); | |
499 | } | |
500 | ||
501 | extern "C" int ceph_conf_get(struct ceph_mount_info *cmount, const char *option, | |
502 | char *buf, size_t len) | |
503 | { | |
504 | if (!buf) { | |
505 | return -CEPHFS_EINVAL; | |
506 | } | |
507 | return cmount->conf_get(option, buf, len); | |
508 | } | |
509 | ||
510 | extern "C" int ceph_set_mount_timeout(struct ceph_mount_info *cmount, uint32_t timeout) { | |
511 | if (cmount->is_mounted()) { | |
512 | return -CEPHFS_EINVAL; | |
513 | } | |
514 | ||
515 | auto timeout_str = stringify(timeout); | |
516 | return ceph_conf_set(cmount, "client_mount_timeout", timeout_str.c_str()); | |
517 | } | |
518 | ||
519 | extern "C" int ceph_mds_command(struct ceph_mount_info *cmount, | |
520 | const char *mds_spec, | |
521 | const char **cmd, | |
522 | size_t cmdlen, | |
523 | const char *inbuf, size_t inbuflen, | |
524 | char **outbuf, size_t *outbuflen, | |
525 | char **outsbuf, size_t *outsbuflen) | |
526 | { | |
527 | bufferlist inbl; | |
528 | bufferlist outbl; | |
529 | std::vector<string> cmdv; | |
530 | std::string outs; | |
531 | ||
532 | if (!cmount->is_initialized()) { | |
533 | return -CEPHFS_ENOTCONN; | |
534 | } | |
535 | ||
536 | // Construct inputs | |
537 | for (size_t i = 0; i < cmdlen; ++i) { | |
538 | cmdv.push_back(cmd[i]); | |
539 | } | |
540 | inbl.append(inbuf, inbuflen); | |
541 | ||
542 | // Issue remote command | |
543 | C_SaferCond cond; | |
544 | int r = cmount->get_client()->mds_command( | |
545 | mds_spec, | |
546 | cmdv, inbl, | |
547 | &outbl, &outs, | |
548 | &cond); | |
549 | ||
550 | if (r != 0) { | |
551 | goto out; | |
552 | } | |
553 | ||
554 | // Wait for completion | |
555 | r = cond.wait(); | |
556 | ||
557 | // Construct outputs | |
558 | do_out_buffer(outbl, outbuf, outbuflen); | |
559 | do_out_buffer(outs, outsbuf, outsbuflen); | |
560 | ||
561 | out: | |
562 | return r; | |
563 | } | |
564 | ||
565 | extern "C" int ceph_init(struct ceph_mount_info *cmount) | |
566 | { | |
567 | return cmount->init(); | |
568 | } | |
569 | ||
570 | extern "C" int ceph_select_filesystem(struct ceph_mount_info *cmount, | |
571 | const char *fs_name) | |
572 | { | |
573 | if (fs_name == nullptr) { | |
574 | return -CEPHFS_EINVAL; | |
575 | } | |
576 | ||
577 | return cmount->select_filesystem(fs_name); | |
578 | } | |
579 | ||
580 | extern "C" int ceph_mount(struct ceph_mount_info *cmount, const char *root) | |
581 | { | |
582 | std::string mount_root; | |
583 | if (root) | |
584 | mount_root = root; | |
585 | return cmount->mount(mount_root, cmount->default_perms); | |
586 | } | |
587 | ||
588 | extern "C" int ceph_is_mounted(struct ceph_mount_info *cmount) | |
589 | { | |
590 | return cmount->is_mounted() ? 1 : 0; | |
591 | } | |
592 | ||
593 | extern "C" struct UserPerm *ceph_mount_perms(struct ceph_mount_info *cmount) | |
594 | { | |
595 | return &cmount->default_perms; | |
596 | } | |
597 | ||
598 | extern "C" int64_t ceph_get_fs_cid(struct ceph_mount_info *cmount) | |
599 | { | |
600 | if (!cmount->is_mounted()) | |
601 | return -CEPHFS_ENOTCONN; | |
602 | return cmount->get_client()->get_fs_cid(); | |
603 | } | |
604 | ||
605 | extern "C" int ceph_mount_perms_set(struct ceph_mount_info *cmount, | |
606 | struct UserPerm *perms) | |
607 | { | |
608 | if (cmount->is_mounted()) | |
609 | return -CEPHFS_EISCONN; | |
610 | cmount->default_perms = *perms; | |
611 | return 0; | |
612 | } | |
613 | ||
614 | extern "C" int ceph_statfs(struct ceph_mount_info *cmount, const char *path, | |
615 | struct statvfs *stbuf) | |
616 | { | |
617 | if (!cmount->is_mounted()) | |
618 | return -CEPHFS_ENOTCONN; | |
619 | return cmount->get_client()->statfs(path, stbuf, cmount->default_perms); | |
620 | } | |
621 | ||
622 | extern "C" int ceph_get_local_osd(struct ceph_mount_info *cmount) | |
623 | { | |
624 | if (!cmount->is_mounted()) | |
625 | return -CEPHFS_ENOTCONN; | |
626 | return cmount->get_client()->get_local_osd(); | |
627 | } | |
628 | ||
629 | extern "C" const char* ceph_getcwd(struct ceph_mount_info *cmount) | |
630 | { | |
631 | return cmount->get_cwd(cmount->default_perms); | |
632 | } | |
633 | ||
634 | extern "C" int ceph_chdir (struct ceph_mount_info *cmount, const char *s) | |
635 | { | |
636 | if (!cmount->is_mounted()) | |
637 | return -CEPHFS_ENOTCONN; | |
638 | return cmount->chdir(s, cmount->default_perms); | |
639 | } | |
640 | ||
641 | extern "C" int ceph_opendir(struct ceph_mount_info *cmount, | |
642 | const char *name, struct ceph_dir_result **dirpp) | |
643 | { | |
644 | if (!cmount->is_mounted()) | |
645 | return -CEPHFS_ENOTCONN; | |
646 | return cmount->get_client()->opendir(name, (dir_result_t **)dirpp, cmount->default_perms); | |
647 | } | |
648 | ||
649 | extern "C" int ceph_fdopendir(struct ceph_mount_info *cmount, int dirfd, | |
650 | struct ceph_dir_result **dirpp) | |
651 | { | |
652 | if (!cmount->is_mounted()) | |
653 | return -CEPHFS_ENOTCONN; | |
654 | return cmount->get_client()->fdopendir(dirfd, (dir_result_t **)dirpp, cmount->default_perms); | |
655 | } | |
656 | ||
657 | extern "C" int ceph_closedir(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp) | |
658 | { | |
659 | if (!cmount->is_mounted()) | |
660 | return -CEPHFS_ENOTCONN; | |
661 | return cmount->get_client()->closedir(reinterpret_cast<dir_result_t*>(dirp)); | |
662 | } | |
663 | ||
664 | extern "C" struct dirent * ceph_readdir(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp) | |
665 | { | |
666 | if (!cmount->is_mounted()) { | |
667 | /* Client::readdir also sets errno to signal errors. */ | |
668 | errno = CEPHFS_ENOTCONN; | |
669 | return nullptr; | |
670 | } | |
671 | return cmount->get_client()->readdir(reinterpret_cast<dir_result_t*>(dirp)); | |
672 | } | |
673 | ||
674 | extern "C" int ceph_readdir_r(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp, struct dirent *de) | |
675 | { | |
676 | if (!cmount->is_mounted()) | |
677 | return -CEPHFS_ENOTCONN; | |
678 | return cmount->get_client()->readdir_r(reinterpret_cast<dir_result_t*>(dirp), de); | |
679 | } | |
680 | ||
681 | extern "C" int ceph_readdirplus_r(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp, | |
682 | struct dirent *de, struct ceph_statx *stx, unsigned want, | |
683 | unsigned flags, struct Inode **out) | |
684 | { | |
685 | if (!cmount->is_mounted()) | |
686 | return -CEPHFS_ENOTCONN; | |
687 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
688 | return -CEPHFS_EINVAL; | |
689 | return cmount->get_client()->readdirplus_r(reinterpret_cast<dir_result_t*>(dirp), de, stx, want, flags, out); | |
690 | } | |
691 | ||
692 | extern "C" int ceph_open_snapdiff(struct ceph_mount_info* cmount, | |
693 | const char* root_path, | |
694 | const char* rel_path, | |
695 | const char* snap1, | |
696 | const char* snap2, | |
697 | struct ceph_snapdiff_info* out) | |
698 | { | |
699 | if (!cmount->is_mounted()) { | |
700 | /* we set errno to signal errors. */ | |
701 | errno = ENOTCONN; | |
702 | return -errno; | |
703 | } | |
704 | if (!out || !root_path || !rel_path || | |
705 | !snap1 || !*snap1 || !snap2 || !*snap2) { | |
706 | errno = EINVAL; | |
707 | return -errno; | |
708 | } | |
709 | out->cmount = cmount; | |
710 | out->dir1 = out->dir_aux = nullptr; | |
711 | ||
712 | char full_path1[PATH_MAX]; | |
713 | char snapdir[PATH_MAX]; | |
714 | cmount->conf_get("client_snapdir", snapdir, sizeof(snapdir) - 1); | |
715 | int n = snprintf(full_path1, PATH_MAX, | |
716 | "%s/%s/%s/%s", root_path, snapdir, snap1, rel_path); | |
717 | if (n < 0 || n == PATH_MAX) { | |
718 | errno = ENAMETOOLONG; | |
719 | return -errno; | |
720 | } | |
721 | char full_path2[PATH_MAX]; | |
722 | n = snprintf(full_path2, PATH_MAX, | |
723 | "%s/%s/%s/%s", root_path, snapdir, snap2, rel_path); | |
724 | if (n < 0 || n == PATH_MAX) { | |
725 | errno = ENAMETOOLONG; | |
726 | return -errno; | |
727 | } | |
728 | ||
729 | int r = ceph_opendir(cmount, full_path1, &(out->dir1)); | |
730 | if (r != 0) { | |
731 | //it's OK to have one of the snap paths absent - attempting another one | |
732 | r = ceph_opendir(cmount, full_path2, &(out->dir1)); | |
733 | if (r != 0) { | |
734 | // both snaps are absent, giving up | |
735 | errno = ENOENT; | |
736 | return -errno; | |
737 | } | |
738 | std::swap(snap1, snap2); // will use snap1 to learn snap_other below | |
739 | } else { | |
740 | // trying to open second snapshot to learn snapid and | |
741 | // get the entry loaded into the client cache if any. | |
742 | r = ceph_opendir(cmount, full_path2, &(out->dir_aux)); | |
743 | //paranoic, rely on this value below | |
744 | out->dir_aux = r == 0 ? out->dir_aux : nullptr; | |
745 | } | |
746 | if (!out->dir_aux) { | |
747 | // now trying to learn the second snapshot's id by using snapshot's root | |
748 | n = snprintf(full_path2, PATH_MAX, | |
749 | "%s/%s/%s", root_path, snapdir, snap2); | |
750 | ceph_assert(n > 0 && n < PATH_MAX); //we've already checked above | |
751 | //that longer string fits. | |
752 | // Hence unlikely to assert | |
753 | r = ceph_opendir(cmount, full_path2, &(out->dir_aux)); | |
754 | if (r != 0) { | |
755 | goto close_err; | |
756 | } | |
757 | } | |
758 | return 0; | |
759 | ||
760 | close_err: | |
761 | ceph_close_snapdiff(out); | |
762 | return r; | |
763 | } | |
764 | ||
765 | extern "C" int ceph_readdir_snapdiff(struct ceph_snapdiff_info* snapdiff, | |
766 | struct ceph_snapdiff_entry_t* out) | |
767 | { | |
768 | if (!snapdiff->cmount->is_mounted()) { | |
769 | /* also sets errno to signal errors. */ | |
770 | errno = ENOTCONN; | |
771 | return -errno; | |
772 | } | |
773 | dir_result_t* d1 = reinterpret_cast<dir_result_t*>(snapdiff->dir1); | |
774 | dir_result_t* d2 = reinterpret_cast<dir_result_t*>(snapdiff->dir_aux); | |
775 | if (!d1 || !d2 || !d1->inode || !d2->inode) { | |
776 | errno = EINVAL; | |
777 | return -errno; | |
778 | } | |
779 | snapid_t snapid; | |
780 | int r = snapdiff->cmount->get_client()->readdir_snapdiff( | |
781 | d1, | |
782 | d2->inode->snapid, | |
783 | &(out->dir_entry), | |
784 | &snapid); | |
785 | if (r >= 0) { | |
786 | // converting snapid_t to uint64_t to avoid snapid_t exposure | |
787 | out->snapid = snapid; | |
788 | } | |
789 | return r; | |
790 | } | |
791 | ||
792 | extern "C" int ceph_close_snapdiff(struct ceph_snapdiff_info* snapdiff) | |
793 | { | |
794 | if (!snapdiff->cmount || !snapdiff->cmount->is_mounted()) { | |
795 | /* also sets errno to signal errors. */ | |
796 | errno = ENOTCONN; | |
797 | return -errno; | |
798 | } | |
799 | if (snapdiff->dir_aux) { | |
800 | ceph_closedir(snapdiff->cmount, snapdiff->dir_aux); | |
801 | } | |
802 | if (snapdiff->dir1) { | |
803 | ceph_closedir(snapdiff->cmount, snapdiff->dir1); | |
804 | } | |
805 | snapdiff->cmount = nullptr; | |
806 | snapdiff->dir1 = snapdiff->dir_aux = nullptr; | |
807 | return 0; | |
808 | } | |
809 | ||
810 | extern "C" int ceph_getdents(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp, | |
811 | char *buf, int buflen) | |
812 | { | |
813 | if (!cmount->is_mounted()) | |
814 | return -CEPHFS_ENOTCONN; | |
815 | return cmount->get_client()->getdents(reinterpret_cast<dir_result_t*>(dirp), buf, buflen); | |
816 | } | |
817 | ||
818 | extern "C" int ceph_getdnames(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp, | |
819 | char *buf, int buflen) | |
820 | { | |
821 | if (!cmount->is_mounted()) | |
822 | return -CEPHFS_ENOTCONN; | |
823 | return cmount->get_client()->getdnames(reinterpret_cast<dir_result_t*>(dirp), buf, buflen); | |
824 | } | |
825 | ||
826 | extern "C" void ceph_rewinddir(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp) | |
827 | { | |
828 | if (!cmount->is_mounted()) | |
829 | return; | |
830 | cmount->get_client()->rewinddir(reinterpret_cast<dir_result_t*>(dirp)); | |
831 | } | |
832 | ||
833 | extern "C" int64_t ceph_telldir(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp) | |
834 | { | |
835 | if (!cmount->is_mounted()) | |
836 | return -CEPHFS_ENOTCONN; | |
837 | return cmount->get_client()->telldir(reinterpret_cast<dir_result_t*>(dirp)); | |
838 | } | |
839 | ||
840 | extern "C" void ceph_seekdir(struct ceph_mount_info *cmount, struct ceph_dir_result *dirp, int64_t offset) | |
841 | { | |
842 | if (!cmount->is_mounted()) | |
843 | return; | |
844 | cmount->get_client()->seekdir(reinterpret_cast<dir_result_t*>(dirp), offset); | |
845 | } | |
846 | ||
847 | extern "C" int ceph_may_delete(struct ceph_mount_info *cmount, const char *path) | |
848 | { | |
849 | if (!cmount->is_mounted()) | |
850 | return -CEPHFS_ENOTCONN; | |
851 | return cmount->get_client()->may_delete(path, cmount->default_perms); | |
852 | } | |
853 | ||
854 | extern "C" int ceph_link (struct ceph_mount_info *cmount, const char *existing, | |
855 | const char *newname) | |
856 | { | |
857 | if (!cmount->is_mounted()) | |
858 | return -CEPHFS_ENOTCONN; | |
859 | return cmount->get_client()->link(existing, newname, cmount->default_perms); | |
860 | } | |
861 | ||
862 | extern "C" int ceph_unlink(struct ceph_mount_info *cmount, const char *path) | |
863 | { | |
864 | if (!cmount->is_mounted()) | |
865 | return -CEPHFS_ENOTCONN; | |
866 | return cmount->get_client()->unlink(path, cmount->default_perms); | |
867 | } | |
868 | ||
869 | extern "C" int ceph_unlinkat(struct ceph_mount_info *cmount, int dirfd, const char *relpath, int flags) | |
870 | { | |
871 | if (!cmount->is_mounted()) | |
872 | return -CEPHFS_ENOTCONN; | |
873 | return cmount->get_client()->unlinkat(dirfd, relpath, flags, cmount->default_perms); | |
874 | } | |
875 | ||
876 | extern "C" int ceph_rename(struct ceph_mount_info *cmount, const char *from, | |
877 | const char *to) | |
878 | { | |
879 | if (!cmount->is_mounted()) | |
880 | return -CEPHFS_ENOTCONN; | |
881 | return cmount->get_client()->rename(from, to, cmount->default_perms); | |
882 | } | |
883 | ||
884 | // dirs | |
885 | extern "C" int ceph_mkdir(struct ceph_mount_info *cmount, const char *path, mode_t mode) | |
886 | { | |
887 | if (!cmount->is_mounted()) | |
888 | return -CEPHFS_ENOTCONN; | |
889 | return cmount->get_client()->mkdir(path, mode, cmount->default_perms); | |
890 | } | |
891 | ||
892 | extern "C" int ceph_mkdirat(struct ceph_mount_info *cmount, int dirfd, const char *relpath, | |
893 | mode_t mode) | |
894 | { | |
895 | if (!cmount->is_mounted()) | |
896 | return -CEPHFS_ENOTCONN; | |
897 | return cmount->get_client()->mkdirat(dirfd, relpath, mode, cmount->default_perms); | |
898 | } | |
899 | ||
900 | extern "C" int ceph_mksnap(struct ceph_mount_info *cmount, const char *path, const char *name, | |
901 | mode_t mode, struct snap_metadata *snap_metadata, size_t nr_snap_metadata) | |
902 | { | |
903 | if (!cmount->is_mounted()) | |
904 | return -CEPHFS_ENOTCONN; | |
905 | size_t i = 0; | |
906 | std::map<std::string, std::string> metadata; | |
907 | while (i < nr_snap_metadata) { | |
908 | metadata.emplace(snap_metadata[i].key, snap_metadata[i].value); | |
909 | ++i; | |
910 | } | |
911 | return cmount->get_client()->mksnap(path, name, cmount->default_perms, mode, metadata); | |
912 | } | |
913 | ||
914 | extern "C" int ceph_rmsnap(struct ceph_mount_info *cmount, const char *path, const char *name) | |
915 | { | |
916 | if (!cmount->is_mounted()) | |
917 | return -CEPHFS_ENOTCONN; | |
918 | return cmount->get_client()->rmsnap(path, name, cmount->default_perms, true); | |
919 | } | |
920 | ||
921 | extern "C" int ceph_mkdirs(struct ceph_mount_info *cmount, const char *path, mode_t mode) | |
922 | { | |
923 | if (!cmount->is_mounted()) | |
924 | return -CEPHFS_ENOTCONN; | |
925 | return cmount->get_client()->mkdirs(path, mode, cmount->default_perms); | |
926 | } | |
927 | ||
928 | extern "C" int ceph_rmdir(struct ceph_mount_info *cmount, const char *path) | |
929 | { | |
930 | if (!cmount->is_mounted()) | |
931 | return -CEPHFS_ENOTCONN; | |
932 | return cmount->get_client()->rmdir(path, cmount->default_perms); | |
933 | } | |
934 | ||
935 | // symlinks | |
936 | extern "C" int ceph_readlink(struct ceph_mount_info *cmount, const char *path, | |
937 | char *buf, int64_t size) | |
938 | { | |
939 | if (!cmount->is_mounted()) | |
940 | return -CEPHFS_ENOTCONN; | |
941 | return cmount->get_client()->readlink(path, buf, size, cmount->default_perms); | |
942 | } | |
943 | ||
944 | extern "C" int ceph_readlinkat(struct ceph_mount_info *cmount, int dirfd, | |
945 | const char *relpath, char *buf, int64_t size) | |
946 | { | |
947 | if (!cmount->is_mounted()) | |
948 | return -CEPHFS_ENOTCONN; | |
949 | return cmount->get_client()->readlinkat(dirfd, relpath, buf, size, cmount->default_perms); | |
950 | } | |
951 | ||
952 | extern "C" int ceph_symlink(struct ceph_mount_info *cmount, const char *existing, | |
953 | const char *newname) | |
954 | { | |
955 | if (!cmount->is_mounted()) | |
956 | return -CEPHFS_ENOTCONN; | |
957 | return cmount->get_client()->symlink(existing, newname, cmount->default_perms); | |
958 | } | |
959 | ||
960 | extern "C" int ceph_symlinkat(struct ceph_mount_info *cmount, const char *existing, int dirfd, | |
961 | const char *newname) | |
962 | { | |
963 | if (!cmount->is_mounted()) | |
964 | return -CEPHFS_ENOTCONN; | |
965 | return cmount->get_client()->symlinkat(existing, dirfd, newname, cmount->default_perms); | |
966 | } | |
967 | ||
968 | extern "C" int ceph_fstatx(struct ceph_mount_info *cmount, int fd, struct ceph_statx *stx, | |
969 | unsigned int want, unsigned int flags) | |
970 | { | |
971 | if (!cmount->is_mounted()) | |
972 | return -CEPHFS_ENOTCONN; | |
973 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
974 | return -CEPHFS_EINVAL; | |
975 | return cmount->get_client()->fstatx(fd, stx, cmount->default_perms, | |
976 | want, flags); | |
977 | } | |
978 | ||
979 | extern "C" int ceph_statxat(struct ceph_mount_info *cmount, int dirfd, const char *relpath, | |
980 | struct ceph_statx *stx, unsigned int want, unsigned int flags) | |
981 | { | |
982 | if (!cmount->is_mounted()) | |
983 | return -CEPHFS_ENOTCONN; | |
984 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
985 | return -CEPHFS_EINVAL; | |
986 | return cmount->get_client()->statxat(dirfd, relpath, stx, cmount->default_perms, | |
987 | want, flags); | |
988 | } | |
989 | ||
990 | extern "C" int ceph_statx(struct ceph_mount_info *cmount, const char *path, | |
991 | struct ceph_statx *stx, unsigned int want, unsigned int flags) | |
992 | { | |
993 | if (!cmount->is_mounted()) | |
994 | return -CEPHFS_ENOTCONN; | |
995 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
996 | return -CEPHFS_EINVAL; | |
997 | return cmount->get_client()->statx(path, stx, cmount->default_perms, | |
998 | want, flags); | |
999 | } | |
1000 | ||
1001 | extern "C" int ceph_fsetattrx(struct ceph_mount_info *cmount, int fd, | |
1002 | struct ceph_statx *stx, int mask) | |
1003 | { | |
1004 | if (!cmount->is_mounted()) | |
1005 | return -CEPHFS_ENOTCONN; | |
1006 | return cmount->get_client()->fsetattrx(fd, stx, mask, cmount->default_perms); | |
1007 | } | |
1008 | ||
1009 | extern "C" int ceph_setattrx(struct ceph_mount_info *cmount, const char *relpath, | |
1010 | struct ceph_statx *stx, int mask, int flags) | |
1011 | { | |
1012 | if (!cmount->is_mounted()) | |
1013 | return -CEPHFS_ENOTCONN; | |
1014 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
1015 | return -CEPHFS_EINVAL; | |
1016 | return cmount->get_client()->setattrx(relpath, stx, mask, | |
1017 | cmount->default_perms, flags); | |
1018 | } | |
1019 | ||
1020 | // *xattr() calls supporting samba/vfs | |
1021 | extern "C" int ceph_getxattr(struct ceph_mount_info *cmount, const char *path, const char *name, void *value, size_t size) | |
1022 | { | |
1023 | if (!cmount->is_mounted()) | |
1024 | return -CEPHFS_ENOTCONN; | |
1025 | ||
1026 | return cmount->get_client()->getxattr(path, name, value, size, cmount->default_perms); | |
1027 | } | |
1028 | ||
1029 | extern "C" int ceph_lgetxattr(struct ceph_mount_info *cmount, const char *path, const char *name, void *value, size_t size) | |
1030 | { | |
1031 | if (!cmount->is_mounted()) | |
1032 | return -CEPHFS_ENOTCONN; | |
1033 | return cmount->get_client()->lgetxattr(path, name, value, size, cmount->default_perms); | |
1034 | } | |
1035 | ||
1036 | extern "C" int ceph_fgetxattr(struct ceph_mount_info *cmount, int fd, const char *name, void *value, size_t size) | |
1037 | { | |
1038 | if (!cmount->is_mounted()) | |
1039 | return -CEPHFS_ENOTCONN; | |
1040 | return cmount->get_client()->fgetxattr(fd, name, value, size, cmount->default_perms); | |
1041 | } | |
1042 | ||
1043 | ||
1044 | extern "C" int ceph_listxattr(struct ceph_mount_info *cmount, const char *path, char *list, size_t size) | |
1045 | { | |
1046 | if (!cmount->is_mounted()) | |
1047 | return -CEPHFS_ENOTCONN; | |
1048 | return cmount->get_client()->listxattr(path, list, size, cmount->default_perms); | |
1049 | } | |
1050 | ||
1051 | extern "C" int ceph_llistxattr(struct ceph_mount_info *cmount, const char *path, char *list, size_t size) | |
1052 | { | |
1053 | if (!cmount->is_mounted()) | |
1054 | return -CEPHFS_ENOTCONN; | |
1055 | return cmount->get_client()->llistxattr(path, list, size, cmount->default_perms); | |
1056 | } | |
1057 | ||
1058 | extern "C" int ceph_flistxattr(struct ceph_mount_info *cmount, int fd, char *list, size_t size) | |
1059 | { | |
1060 | if (!cmount->is_mounted()) | |
1061 | return -CEPHFS_ENOTCONN; | |
1062 | return cmount->get_client()->flistxattr(fd, list, size, cmount->default_perms); | |
1063 | } | |
1064 | ||
1065 | extern "C" int ceph_removexattr(struct ceph_mount_info *cmount, const char *path, const char *name) | |
1066 | { | |
1067 | if (!cmount->is_mounted()) | |
1068 | return -CEPHFS_ENOTCONN; | |
1069 | return cmount->get_client()->removexattr(path, name, cmount->default_perms); | |
1070 | } | |
1071 | ||
1072 | extern "C" int ceph_lremovexattr(struct ceph_mount_info *cmount, const char *path, const char *name) | |
1073 | { | |
1074 | if (!cmount->is_mounted()) | |
1075 | return -CEPHFS_ENOTCONN; | |
1076 | return cmount->get_client()->lremovexattr(path, name, cmount->default_perms); | |
1077 | } | |
1078 | ||
1079 | extern "C" int ceph_fremovexattr(struct ceph_mount_info *cmount, int fd, const char *name) | |
1080 | { | |
1081 | if (!cmount->is_mounted()) | |
1082 | return -CEPHFS_ENOTCONN; | |
1083 | return cmount->get_client()->fremovexattr(fd, name, cmount->default_perms); | |
1084 | } | |
1085 | ||
1086 | extern "C" int ceph_setxattr(struct ceph_mount_info *cmount, const char *path, const char *name, const void *value, size_t size, int flags) | |
1087 | { | |
1088 | if (!cmount->is_mounted()) | |
1089 | return -CEPHFS_ENOTCONN; | |
1090 | return cmount->get_client()->setxattr(path, name, value, size, flags, cmount->default_perms); | |
1091 | } | |
1092 | ||
1093 | extern "C" int ceph_lsetxattr(struct ceph_mount_info *cmount, const char *path, const char *name, const void *value, size_t size, int flags) | |
1094 | { | |
1095 | if (!cmount->is_mounted()) | |
1096 | return -CEPHFS_ENOTCONN; | |
1097 | return cmount->get_client()->lsetxattr(path, name, value, size, flags, cmount->default_perms); | |
1098 | } | |
1099 | ||
1100 | extern "C" int ceph_fsetxattr(struct ceph_mount_info *cmount, int fd, const char *name, const void *value, size_t size, int flags) | |
1101 | { | |
1102 | if (!cmount->is_mounted()) | |
1103 | return -CEPHFS_ENOTCONN; | |
1104 | return cmount->get_client()->fsetxattr(fd, name, value, size, flags, cmount->default_perms); | |
1105 | } | |
1106 | /* end xattr support */ | |
1107 | ||
1108 | extern "C" int ceph_stat(struct ceph_mount_info *cmount, const char *path, struct stat *stbuf) | |
1109 | { | |
1110 | if (!cmount->is_mounted()) | |
1111 | return -CEPHFS_ENOTCONN; | |
1112 | return cmount->get_client()->stat(path, stbuf, cmount->default_perms); | |
1113 | } | |
1114 | ||
1115 | extern "C" int ceph_fstat(struct ceph_mount_info *cmount, int fd, struct stat *stbuf) | |
1116 | { | |
1117 | if (!cmount->is_mounted()) | |
1118 | return -CEPHFS_ENOTCONN; | |
1119 | return cmount->get_client()->fstat(fd, stbuf, cmount->default_perms); | |
1120 | } | |
1121 | ||
1122 | extern int ceph_lstat(struct ceph_mount_info *cmount, const char *path, struct stat *stbuf) | |
1123 | { | |
1124 | if (!cmount->is_mounted()) | |
1125 | return -CEPHFS_ENOTCONN; | |
1126 | return cmount->get_client()->lstat(path, stbuf, cmount->default_perms); | |
1127 | } | |
1128 | ||
1129 | extern "C" int ceph_chmod(struct ceph_mount_info *cmount, const char *path, mode_t mode) | |
1130 | { | |
1131 | if (!cmount->is_mounted()) | |
1132 | return -CEPHFS_ENOTCONN; | |
1133 | return cmount->get_client()->chmod(path, mode, cmount->default_perms); | |
1134 | } | |
1135 | extern "C" int ceph_lchmod(struct ceph_mount_info *cmount, const char *path, mode_t mode) | |
1136 | { | |
1137 | if (!cmount->is_mounted()) | |
1138 | return -CEPHFS_ENOTCONN; | |
1139 | return cmount->get_client()->lchmod(path, mode, cmount->default_perms); | |
1140 | } | |
1141 | extern "C" int ceph_fchmod(struct ceph_mount_info *cmount, int fd, mode_t mode) | |
1142 | { | |
1143 | if (!cmount->is_mounted()) | |
1144 | return -CEPHFS_ENOTCONN; | |
1145 | return cmount->get_client()->fchmod(fd, mode, cmount->default_perms); | |
1146 | } | |
1147 | ||
1148 | extern "C" int ceph_chmodat(struct ceph_mount_info *cmount, int dirfd, const char *relpath, | |
1149 | mode_t mode, int flags) { | |
1150 | if (!cmount->is_mounted()) | |
1151 | return -CEPHFS_ENOTCONN; | |
1152 | return cmount->get_client()->chmodat(dirfd, relpath, mode, flags, cmount->default_perms); | |
1153 | } | |
1154 | ||
1155 | extern "C" int ceph_chown(struct ceph_mount_info *cmount, const char *path, | |
1156 | int uid, int gid) | |
1157 | { | |
1158 | if (!cmount->is_mounted()) | |
1159 | return -CEPHFS_ENOTCONN; | |
1160 | return cmount->get_client()->chown(path, uid, gid, cmount->default_perms); | |
1161 | } | |
1162 | extern "C" int ceph_fchown(struct ceph_mount_info *cmount, int fd, | |
1163 | int uid, int gid) | |
1164 | { | |
1165 | if (!cmount->is_mounted()) | |
1166 | return -CEPHFS_ENOTCONN; | |
1167 | return cmount->get_client()->fchown(fd, uid, gid, cmount->default_perms); | |
1168 | } | |
1169 | extern "C" int ceph_lchown(struct ceph_mount_info *cmount, const char *path, | |
1170 | int uid, int gid) | |
1171 | { | |
1172 | if (!cmount->is_mounted()) | |
1173 | return -CEPHFS_ENOTCONN; | |
1174 | return cmount->get_client()->lchown(path, uid, gid, cmount->default_perms); | |
1175 | } | |
1176 | ||
1177 | extern "C" int ceph_chownat(struct ceph_mount_info *cmount, int dirfd, const char *relpath, | |
1178 | uid_t uid, gid_t gid, int flags) { | |
1179 | if (!cmount->is_mounted()) | |
1180 | return -CEPHFS_ENOTCONN; | |
1181 | return cmount->get_client()->chownat(dirfd, relpath, uid, gid, flags, cmount->default_perms); | |
1182 | } | |
1183 | ||
1184 | extern "C" int ceph_utime(struct ceph_mount_info *cmount, const char *path, | |
1185 | struct utimbuf *buf) | |
1186 | { | |
1187 | if (!cmount->is_mounted()) | |
1188 | return -CEPHFS_ENOTCONN; | |
1189 | return cmount->get_client()->utime(path, buf, cmount->default_perms); | |
1190 | } | |
1191 | ||
1192 | extern "C" int ceph_futime(struct ceph_mount_info *cmount, int fd, | |
1193 | struct utimbuf *buf) | |
1194 | { | |
1195 | if (!cmount->is_mounted()) | |
1196 | return -CEPHFS_ENOTCONN; | |
1197 | return cmount->get_client()->futime(fd, buf, cmount->default_perms); | |
1198 | } | |
1199 | ||
1200 | extern "C" int ceph_utimes(struct ceph_mount_info *cmount, const char *path, | |
1201 | struct timeval times[2]) | |
1202 | { | |
1203 | if (!cmount->is_mounted()) | |
1204 | return -CEPHFS_ENOTCONN; | |
1205 | return cmount->get_client()->utimes(path, times, cmount->default_perms); | |
1206 | } | |
1207 | ||
1208 | extern "C" int ceph_lutimes(struct ceph_mount_info *cmount, const char *path, | |
1209 | struct timeval times[2]) | |
1210 | { | |
1211 | if (!cmount->is_mounted()) | |
1212 | return -CEPHFS_ENOTCONN; | |
1213 | return cmount->get_client()->lutimes(path, times, cmount->default_perms); | |
1214 | } | |
1215 | ||
1216 | extern "C" int ceph_futimes(struct ceph_mount_info *cmount, int fd, | |
1217 | struct timeval times[2]) | |
1218 | { | |
1219 | if (!cmount->is_mounted()) | |
1220 | return -CEPHFS_ENOTCONN; | |
1221 | return cmount->get_client()->futimes(fd, times, cmount->default_perms); | |
1222 | } | |
1223 | ||
1224 | extern "C" int ceph_futimens(struct ceph_mount_info *cmount, int fd, | |
1225 | struct timespec times[2]) | |
1226 | { | |
1227 | if (!cmount->is_mounted()) | |
1228 | return -CEPHFS_ENOTCONN; | |
1229 | return cmount->get_client()->futimens(fd, times, cmount->default_perms); | |
1230 | } | |
1231 | ||
1232 | extern "C" int ceph_utimensat(struct ceph_mount_info *cmount, int dirfd, const char *relpath, | |
1233 | struct timespec times[2], int flags) { | |
1234 | if (!cmount->is_mounted()) | |
1235 | return -CEPHFS_ENOTCONN; | |
1236 | return cmount->get_client()->utimensat(dirfd, relpath, times, flags, cmount->default_perms); | |
1237 | } | |
1238 | ||
1239 | extern "C" int ceph_flock(struct ceph_mount_info *cmount, int fd, int operation, | |
1240 | uint64_t owner) | |
1241 | { | |
1242 | if (!cmount->is_mounted()) | |
1243 | return -CEPHFS_ENOTCONN; | |
1244 | return cmount->get_client()->flock(fd, operation, owner); | |
1245 | } | |
1246 | ||
1247 | extern "C" int ceph_truncate(struct ceph_mount_info *cmount, const char *path, | |
1248 | int64_t size) | |
1249 | { | |
1250 | if (!cmount->is_mounted()) | |
1251 | return -CEPHFS_ENOTCONN; | |
1252 | return cmount->get_client()->truncate(path, size, cmount->default_perms); | |
1253 | } | |
1254 | ||
1255 | // file ops | |
1256 | extern "C" int ceph_mknod(struct ceph_mount_info *cmount, const char *path, | |
1257 | mode_t mode, dev_t rdev) | |
1258 | { | |
1259 | if (!cmount->is_mounted()) | |
1260 | return -CEPHFS_ENOTCONN; | |
1261 | return cmount->get_client()->mknod(path, mode, cmount->default_perms, rdev); | |
1262 | } | |
1263 | ||
1264 | extern "C" int ceph_open(struct ceph_mount_info *cmount, const char *path, | |
1265 | int flags, mode_t mode) | |
1266 | { | |
1267 | if (!cmount->is_mounted()) | |
1268 | return -CEPHFS_ENOTCONN; | |
1269 | return cmount->get_client()->open(path, flags, cmount->default_perms, mode); | |
1270 | } | |
1271 | ||
1272 | extern "C" int ceph_openat(struct ceph_mount_info *cmount, int dirfd, const char *relpath, | |
1273 | int flags, mode_t mode) | |
1274 | { | |
1275 | if (!cmount->is_mounted()) | |
1276 | return -CEPHFS_ENOTCONN; | |
1277 | return cmount->get_client()->openat(dirfd, relpath, flags, cmount->default_perms, mode); | |
1278 | } | |
1279 | ||
1280 | extern "C" int ceph_open_layout(struct ceph_mount_info *cmount, const char *path, int flags, | |
1281 | mode_t mode, int stripe_unit, int stripe_count, int object_size, const char *data_pool) | |
1282 | { | |
1283 | if (!cmount->is_mounted()) | |
1284 | return -CEPHFS_ENOTCONN; | |
1285 | return cmount->get_client()->open(path, flags, cmount->default_perms, mode, | |
1286 | stripe_unit, stripe_count, | |
1287 | object_size, data_pool); | |
1288 | } | |
1289 | ||
1290 | extern "C" int ceph_close(struct ceph_mount_info *cmount, int fd) | |
1291 | { | |
1292 | if (!cmount->is_mounted()) | |
1293 | return -CEPHFS_ENOTCONN; | |
1294 | return cmount->get_client()->close(fd); | |
1295 | } | |
1296 | ||
1297 | extern "C" int64_t ceph_lseek(struct ceph_mount_info *cmount, int fd, | |
1298 | int64_t offset, int whence) | |
1299 | { | |
1300 | if (!cmount->is_mounted()) | |
1301 | return -CEPHFS_ENOTCONN; | |
1302 | return cmount->get_client()->lseek(fd, offset, whence); | |
1303 | } | |
1304 | ||
1305 | extern "C" int ceph_read(struct ceph_mount_info *cmount, int fd, char *buf, | |
1306 | int64_t size, int64_t offset) | |
1307 | { | |
1308 | if (!cmount->is_mounted()) | |
1309 | return -CEPHFS_ENOTCONN; | |
1310 | return cmount->get_client()->read(fd, buf, size, offset); | |
1311 | } | |
1312 | ||
1313 | extern "C" int ceph_preadv(struct ceph_mount_info *cmount, int fd, | |
1314 | const struct iovec *iov, int iovcnt, int64_t offset) | |
1315 | { | |
1316 | if (!cmount->is_mounted()) | |
1317 | return -CEPHFS_ENOTCONN; | |
1318 | return cmount->get_client()->preadv(fd, iov, iovcnt, offset); | |
1319 | } | |
1320 | ||
1321 | extern "C" int ceph_write(struct ceph_mount_info *cmount, int fd, const char *buf, | |
1322 | int64_t size, int64_t offset) | |
1323 | { | |
1324 | if (!cmount->is_mounted()) | |
1325 | return -CEPHFS_ENOTCONN; | |
1326 | return cmount->get_client()->write(fd, buf, size, offset); | |
1327 | } | |
1328 | ||
1329 | extern "C" int ceph_pwritev(struct ceph_mount_info *cmount, int fd, | |
1330 | const struct iovec *iov, int iovcnt, int64_t offset) | |
1331 | { | |
1332 | if (!cmount->is_mounted()) | |
1333 | return -CEPHFS_ENOTCONN; | |
1334 | return cmount->get_client()->pwritev(fd, iov, iovcnt, offset); | |
1335 | } | |
1336 | ||
1337 | extern "C" int ceph_ftruncate(struct ceph_mount_info *cmount, int fd, int64_t size) | |
1338 | { | |
1339 | if (!cmount->is_mounted()) | |
1340 | return -CEPHFS_ENOTCONN; | |
1341 | return cmount->get_client()->ftruncate(fd, size, cmount->default_perms); | |
1342 | } | |
1343 | ||
1344 | extern "C" int ceph_fsync(struct ceph_mount_info *cmount, int fd, int syncdataonly) | |
1345 | { | |
1346 | if (!cmount->is_mounted()) | |
1347 | return -CEPHFS_ENOTCONN; | |
1348 | return cmount->get_client()->fsync(fd, syncdataonly); | |
1349 | } | |
1350 | ||
1351 | extern "C" int ceph_fallocate(struct ceph_mount_info *cmount, int fd, int mode, | |
1352 | int64_t offset, int64_t length) | |
1353 | { | |
1354 | if (!cmount->is_mounted()) | |
1355 | return -CEPHFS_ENOTCONN; | |
1356 | return cmount->get_client()->fallocate(fd, mode, offset, length); | |
1357 | } | |
1358 | ||
1359 | extern "C" int ceph_lazyio(class ceph_mount_info *cmount, | |
1360 | int fd, int enable) | |
1361 | { | |
1362 | return (cmount->get_client()->lazyio(fd, enable)); | |
1363 | } | |
1364 | ||
1365 | extern "C" int ceph_lazyio_propagate(class ceph_mount_info *cmount, | |
1366 | int fd, int64_t offset, size_t count) | |
1367 | { | |
1368 | if (!cmount->is_mounted()) | |
1369 | return -CEPHFS_ENOTCONN; | |
1370 | return (cmount->get_client()->lazyio_propagate(fd, offset, count)); | |
1371 | } | |
1372 | ||
1373 | extern "C" int ceph_lazyio_synchronize(class ceph_mount_info *cmount, | |
1374 | int fd, int64_t offset, size_t count) | |
1375 | { | |
1376 | if (!cmount->is_mounted()) | |
1377 | return -CEPHFS_ENOTCONN; | |
1378 | return (cmount->get_client()->lazyio_synchronize(fd, offset, count)); | |
1379 | } | |
1380 | ||
1381 | ||
1382 | extern "C" int ceph_sync_fs(struct ceph_mount_info *cmount) | |
1383 | { | |
1384 | if (!cmount->is_mounted()) | |
1385 | return -CEPHFS_ENOTCONN; | |
1386 | return cmount->get_client()->sync_fs(); | |
1387 | } | |
1388 | ||
1389 | extern "C" int ceph_get_file_stripe_unit(struct ceph_mount_info *cmount, int fh) | |
1390 | { | |
1391 | file_layout_t l; | |
1392 | int r; | |
1393 | ||
1394 | if (!cmount->is_mounted()) | |
1395 | return -CEPHFS_ENOTCONN; | |
1396 | r = cmount->get_client()->fdescribe_layout(fh, &l); | |
1397 | if (r < 0) | |
1398 | return r; | |
1399 | return l.stripe_unit; | |
1400 | } | |
1401 | ||
1402 | extern "C" int ceph_get_path_stripe_unit(struct ceph_mount_info *cmount, const char *path) | |
1403 | { | |
1404 | file_layout_t l; | |
1405 | int r; | |
1406 | ||
1407 | if (!cmount->is_mounted()) | |
1408 | return -CEPHFS_ENOTCONN; | |
1409 | r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms); | |
1410 | if (r < 0) | |
1411 | return r; | |
1412 | return l.stripe_unit; | |
1413 | } | |
1414 | ||
1415 | extern "C" int ceph_get_file_stripe_count(struct ceph_mount_info *cmount, int fh) | |
1416 | { | |
1417 | file_layout_t l; | |
1418 | int r; | |
1419 | ||
1420 | if (!cmount->is_mounted()) | |
1421 | return -CEPHFS_ENOTCONN; | |
1422 | r = cmount->get_client()->fdescribe_layout(fh, &l); | |
1423 | if (r < 0) | |
1424 | return r; | |
1425 | return l.stripe_count; | |
1426 | } | |
1427 | ||
1428 | extern "C" int ceph_get_path_stripe_count(struct ceph_mount_info *cmount, const char *path) | |
1429 | { | |
1430 | file_layout_t l; | |
1431 | int r; | |
1432 | ||
1433 | if (!cmount->is_mounted()) | |
1434 | return -CEPHFS_ENOTCONN; | |
1435 | r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms); | |
1436 | if (r < 0) | |
1437 | return r; | |
1438 | return l.stripe_count; | |
1439 | } | |
1440 | ||
1441 | extern "C" int ceph_get_file_object_size(struct ceph_mount_info *cmount, int fh) | |
1442 | { | |
1443 | file_layout_t l; | |
1444 | int r; | |
1445 | ||
1446 | if (!cmount->is_mounted()) | |
1447 | return -CEPHFS_ENOTCONN; | |
1448 | r = cmount->get_client()->fdescribe_layout(fh, &l); | |
1449 | if (r < 0) | |
1450 | return r; | |
1451 | return l.object_size; | |
1452 | } | |
1453 | ||
1454 | extern "C" int ceph_get_path_object_size(struct ceph_mount_info *cmount, const char *path) | |
1455 | { | |
1456 | file_layout_t l; | |
1457 | int r; | |
1458 | ||
1459 | if (!cmount->is_mounted()) | |
1460 | return -CEPHFS_ENOTCONN; | |
1461 | r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms); | |
1462 | if (r < 0) | |
1463 | return r; | |
1464 | return l.object_size; | |
1465 | } | |
1466 | ||
1467 | extern "C" int ceph_get_file_pool(struct ceph_mount_info *cmount, int fh) | |
1468 | { | |
1469 | file_layout_t l; | |
1470 | int r; | |
1471 | ||
1472 | if (!cmount->is_mounted()) | |
1473 | return -CEPHFS_ENOTCONN; | |
1474 | r = cmount->get_client()->fdescribe_layout(fh, &l); | |
1475 | if (r < 0) | |
1476 | return r; | |
1477 | return l.pool_id; | |
1478 | } | |
1479 | ||
1480 | extern "C" int ceph_get_path_pool(struct ceph_mount_info *cmount, const char *path) | |
1481 | { | |
1482 | file_layout_t l; | |
1483 | int r; | |
1484 | ||
1485 | if (!cmount->is_mounted()) | |
1486 | return -CEPHFS_ENOTCONN; | |
1487 | r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms); | |
1488 | if (r < 0) | |
1489 | return r; | |
1490 | return l.pool_id; | |
1491 | } | |
1492 | ||
1493 | extern "C" int ceph_get_file_pool_name(struct ceph_mount_info *cmount, int fh, char *buf, size_t len) | |
1494 | { | |
1495 | file_layout_t l; | |
1496 | int r; | |
1497 | ||
1498 | if (!cmount->is_mounted()) | |
1499 | return -CEPHFS_ENOTCONN; | |
1500 | r = cmount->get_client()->fdescribe_layout(fh, &l); | |
1501 | if (r < 0) | |
1502 | return r; | |
1503 | string name = cmount->get_client()->get_pool_name(l.pool_id); | |
1504 | if (len == 0) | |
1505 | return name.length(); | |
1506 | if (name.length() > len) | |
1507 | return -CEPHFS_ERANGE; | |
1508 | strncpy(buf, name.c_str(), len); | |
1509 | return name.length(); | |
1510 | } | |
1511 | ||
1512 | extern "C" int ceph_get_pool_name(struct ceph_mount_info *cmount, int pool, char *buf, size_t len) | |
1513 | { | |
1514 | if (!cmount->is_mounted()) | |
1515 | return -CEPHFS_ENOTCONN; | |
1516 | string name = cmount->get_client()->get_pool_name(pool); | |
1517 | if (len == 0) | |
1518 | return name.length(); | |
1519 | if (name.length() > len) | |
1520 | return -CEPHFS_ERANGE; | |
1521 | strncpy(buf, name.c_str(), len); | |
1522 | return name.length(); | |
1523 | } | |
1524 | ||
1525 | extern "C" int ceph_get_path_pool_name(struct ceph_mount_info *cmount, const char *path, char *buf, size_t len) | |
1526 | { | |
1527 | file_layout_t l; | |
1528 | int r; | |
1529 | ||
1530 | if (!cmount->is_mounted()) | |
1531 | return -CEPHFS_ENOTCONN; | |
1532 | r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms); | |
1533 | if (r < 0) | |
1534 | return r; | |
1535 | string name = cmount->get_client()->get_pool_name(l.pool_id); | |
1536 | if (len == 0) | |
1537 | return name.length(); | |
1538 | if (name.length() > len) | |
1539 | return -CEPHFS_ERANGE; | |
1540 | strncpy(buf, name.c_str(), len); | |
1541 | return name.length(); | |
1542 | } | |
1543 | ||
1544 | extern "C" int ceph_get_default_data_pool_name(struct ceph_mount_info *cmount, char *buf, size_t len) | |
1545 | { | |
1546 | if (!cmount->is_mounted()) | |
1547 | return -CEPHFS_ENOTCONN; | |
1548 | int64_t pool_id = cmount->get_client()->get_default_pool_id(); | |
1549 | ||
1550 | string name = cmount->get_client()->get_pool_name(pool_id); | |
1551 | if (len == 0) | |
1552 | return name.length(); | |
1553 | if (name.length() > len) | |
1554 | return -CEPHFS_ERANGE; | |
1555 | strncpy(buf, name.c_str(), len); | |
1556 | return name.length(); | |
1557 | } | |
1558 | ||
1559 | extern "C" int ceph_get_file_layout(struct ceph_mount_info *cmount, int fh, int *stripe_unit, int *stripe_count, int *object_size, int *pg_pool) | |
1560 | { | |
1561 | file_layout_t l; | |
1562 | int r; | |
1563 | ||
1564 | if (!cmount->is_mounted()) | |
1565 | return -CEPHFS_ENOTCONN; | |
1566 | r = cmount->get_client()->fdescribe_layout(fh, &l); | |
1567 | if (r < 0) | |
1568 | return r; | |
1569 | if (stripe_unit) | |
1570 | *stripe_unit = l.stripe_unit; | |
1571 | if (stripe_count) | |
1572 | *stripe_count = l.stripe_count; | |
1573 | if (object_size) | |
1574 | *object_size = l.object_size; | |
1575 | if (pg_pool) | |
1576 | *pg_pool = l.pool_id; | |
1577 | return 0; | |
1578 | } | |
1579 | ||
1580 | extern "C" int ceph_get_path_layout(struct ceph_mount_info *cmount, const char *path, int *stripe_unit, int *stripe_count, int *object_size, int *pg_pool) | |
1581 | { | |
1582 | file_layout_t l; | |
1583 | int r; | |
1584 | ||
1585 | if (!cmount->is_mounted()) | |
1586 | return -CEPHFS_ENOTCONN; | |
1587 | r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms); | |
1588 | if (r < 0) | |
1589 | return r; | |
1590 | if (stripe_unit) | |
1591 | *stripe_unit = l.stripe_unit; | |
1592 | if (stripe_count) | |
1593 | *stripe_count = l.stripe_count; | |
1594 | if (object_size) | |
1595 | *object_size = l.object_size; | |
1596 | if (pg_pool) | |
1597 | *pg_pool = l.pool_id; | |
1598 | return 0; | |
1599 | } | |
1600 | ||
1601 | extern "C" int ceph_get_file_replication(struct ceph_mount_info *cmount, int fh) | |
1602 | { | |
1603 | file_layout_t l; | |
1604 | int r; | |
1605 | ||
1606 | if (!cmount->is_mounted()) | |
1607 | return -CEPHFS_ENOTCONN; | |
1608 | r = cmount->get_client()->fdescribe_layout(fh, &l); | |
1609 | if (r < 0) | |
1610 | return r; | |
1611 | int rep = cmount->get_client()->get_pool_replication(l.pool_id); | |
1612 | return rep; | |
1613 | } | |
1614 | ||
1615 | extern "C" int ceph_get_path_replication(struct ceph_mount_info *cmount, const char *path) | |
1616 | { | |
1617 | file_layout_t l; | |
1618 | int r; | |
1619 | ||
1620 | if (!cmount->is_mounted()) | |
1621 | return -CEPHFS_ENOTCONN; | |
1622 | r = cmount->get_client()->describe_layout(path, &l, cmount->default_perms); | |
1623 | if (r < 0) | |
1624 | return r; | |
1625 | int rep = cmount->get_client()->get_pool_replication(l.pool_id); | |
1626 | return rep; | |
1627 | } | |
1628 | ||
1629 | extern "C" int ceph_set_default_file_stripe_unit(struct ceph_mount_info *cmount, | |
1630 | int stripe) | |
1631 | { | |
1632 | // this option no longer exists | |
1633 | return -CEPHFS_EOPNOTSUPP; | |
1634 | } | |
1635 | ||
1636 | extern "C" int ceph_set_default_file_stripe_count(struct ceph_mount_info *cmount, | |
1637 | int count) | |
1638 | { | |
1639 | // this option no longer exists | |
1640 | return -CEPHFS_EOPNOTSUPP; | |
1641 | } | |
1642 | ||
1643 | extern "C" int ceph_set_default_object_size(struct ceph_mount_info *cmount, int size) | |
1644 | { | |
1645 | // this option no longer exists | |
1646 | return -CEPHFS_EOPNOTSUPP; | |
1647 | } | |
1648 | ||
1649 | extern "C" int ceph_set_default_file_replication(struct ceph_mount_info *cmount, | |
1650 | int replication) | |
1651 | { | |
1652 | // this option no longer exists | |
1653 | return -CEPHFS_EOPNOTSUPP; | |
1654 | } | |
1655 | ||
1656 | extern "C" int ceph_set_default_preferred_pg(struct ceph_mount_info *cmount, int osd) | |
1657 | { | |
1658 | // this option no longer exists | |
1659 | return -CEPHFS_EOPNOTSUPP; | |
1660 | } | |
1661 | ||
1662 | extern "C" int ceph_get_file_extent_osds(struct ceph_mount_info *cmount, int fh, | |
1663 | int64_t offset, int64_t *length, int *osds, int nosds) | |
1664 | { | |
1665 | if (nosds < 0) | |
1666 | return -CEPHFS_EINVAL; | |
1667 | ||
1668 | if (!cmount->is_mounted()) | |
1669 | return -CEPHFS_ENOTCONN; | |
1670 | ||
1671 | vector<int> vosds; | |
1672 | int ret = cmount->get_client()->get_file_extent_osds(fh, offset, length, vosds); | |
1673 | if (ret < 0) | |
1674 | return ret; | |
1675 | ||
1676 | if (!nosds) | |
1677 | return vosds.size(); | |
1678 | ||
1679 | if ((int)vosds.size() > nosds) | |
1680 | return -CEPHFS_ERANGE; | |
1681 | ||
1682 | for (int i = 0; i < (int)vosds.size(); i++) | |
1683 | osds[i] = vosds[i]; | |
1684 | ||
1685 | return vosds.size(); | |
1686 | } | |
1687 | ||
1688 | extern "C" int ceph_get_osd_crush_location(struct ceph_mount_info *cmount, | |
1689 | int osd, char *path, size_t len) | |
1690 | { | |
1691 | if (!cmount->is_mounted()) | |
1692 | return -CEPHFS_ENOTCONN; | |
1693 | ||
1694 | if (!path && len) | |
1695 | return -CEPHFS_EINVAL; | |
1696 | ||
1697 | vector<pair<string, string> > loc; | |
1698 | int ret = cmount->get_client()->get_osd_crush_location(osd, loc); | |
1699 | if (ret) | |
1700 | return ret; | |
1701 | ||
1702 | size_t needed = 0; | |
1703 | size_t cur = 0; | |
1704 | vector<pair<string, string> >::iterator it; | |
1705 | for (it = loc.begin(); it != loc.end(); ++it) { | |
1706 | string& type = it->first; | |
1707 | string& name = it->second; | |
1708 | needed += type.size() + name.size() + 2; | |
1709 | if (needed <= len) { | |
1710 | if (path) | |
1711 | strcpy(path + cur, type.c_str()); | |
1712 | cur += type.size() + 1; | |
1713 | if (path) | |
1714 | strcpy(path + cur, name.c_str()); | |
1715 | cur += name.size() + 1; | |
1716 | } | |
1717 | } | |
1718 | ||
1719 | if (len == 0) | |
1720 | return needed; | |
1721 | ||
1722 | if (needed > len) | |
1723 | return -CEPHFS_ERANGE; | |
1724 | ||
1725 | return needed; | |
1726 | } | |
1727 | ||
1728 | extern "C" int ceph_get_osd_addr(struct ceph_mount_info *cmount, int osd, | |
1729 | struct sockaddr_storage *addr) | |
1730 | { | |
1731 | if (!cmount->is_mounted()) | |
1732 | return -CEPHFS_ENOTCONN; | |
1733 | ||
1734 | if (!addr) | |
1735 | return -CEPHFS_EINVAL; | |
1736 | ||
1737 | entity_addr_t address; | |
1738 | int ret = cmount->get_client()->get_osd_addr(osd, address); | |
1739 | if (ret < 0) | |
1740 | return ret; | |
1741 | ||
1742 | *addr = address.get_sockaddr_storage(); | |
1743 | ||
1744 | return 0; | |
1745 | } | |
1746 | ||
1747 | extern "C" int ceph_get_file_stripe_address(struct ceph_mount_info *cmount, int fh, | |
1748 | int64_t offset, struct sockaddr_storage *addr, int naddr) | |
1749 | { | |
1750 | vector<entity_addr_t> address; | |
1751 | unsigned i; | |
1752 | int r; | |
1753 | ||
1754 | if (naddr < 0) | |
1755 | return -CEPHFS_EINVAL; | |
1756 | ||
1757 | if (!cmount->is_mounted()) | |
1758 | return -CEPHFS_ENOTCONN; | |
1759 | ||
1760 | r = cmount->get_client()->get_file_stripe_address(fh, offset, address); | |
1761 | if (r < 0) | |
1762 | return r; | |
1763 | ||
1764 | for (i = 0; i < (unsigned)naddr && i < address.size(); i++) | |
1765 | addr[i] = address[i].get_sockaddr_storage(); | |
1766 | ||
1767 | /* naddr == 0: drop through and return actual size */ | |
1768 | if (naddr && (address.size() > (unsigned)naddr)) | |
1769 | return -CEPHFS_ERANGE; | |
1770 | ||
1771 | return address.size(); | |
1772 | } | |
1773 | ||
1774 | extern "C" int ceph_localize_reads(struct ceph_mount_info *cmount, int val) | |
1775 | { | |
1776 | if (!cmount->is_mounted()) | |
1777 | return -CEPHFS_ENOTCONN; | |
1778 | if (!val) | |
1779 | cmount->get_client()->clear_filer_flags(CEPH_OSD_FLAG_LOCALIZE_READS); | |
1780 | else | |
1781 | cmount->get_client()->set_filer_flags(CEPH_OSD_FLAG_LOCALIZE_READS); | |
1782 | return 0; | |
1783 | } | |
1784 | ||
1785 | extern "C" CephContext *ceph_get_mount_context(struct ceph_mount_info *cmount) | |
1786 | { | |
1787 | return cmount->get_ceph_context(); | |
1788 | } | |
1789 | ||
1790 | extern "C" int ceph_debug_get_fd_caps(struct ceph_mount_info *cmount, int fd) | |
1791 | { | |
1792 | if (!cmount->is_mounted()) | |
1793 | return -CEPHFS_ENOTCONN; | |
1794 | return cmount->get_client()->get_caps_issued(fd); | |
1795 | } | |
1796 | ||
1797 | extern "C" int ceph_debug_get_file_caps(struct ceph_mount_info *cmount, const char *path) | |
1798 | { | |
1799 | if (!cmount->is_mounted()) | |
1800 | return -CEPHFS_ENOTCONN; | |
1801 | return cmount->get_client()->get_caps_issued(path, cmount->default_perms); | |
1802 | } | |
1803 | ||
1804 | extern "C" int ceph_get_stripe_unit_granularity(struct ceph_mount_info *cmount) | |
1805 | { | |
1806 | if (!cmount->is_mounted()) | |
1807 | return -CEPHFS_ENOTCONN; | |
1808 | return CEPH_MIN_STRIPE_UNIT; | |
1809 | } | |
1810 | ||
1811 | extern "C" int ceph_get_pool_id(struct ceph_mount_info *cmount, const char *pool_name) | |
1812 | { | |
1813 | if (!cmount->is_mounted()) | |
1814 | return -CEPHFS_ENOTCONN; | |
1815 | ||
1816 | if (!pool_name || !pool_name[0]) | |
1817 | return -CEPHFS_EINVAL; | |
1818 | ||
1819 | /* negative range reserved for errors */ | |
1820 | int64_t pool_id = cmount->get_client()->get_pool_id(pool_name); | |
1821 | if (pool_id > 0x7fffffff) | |
1822 | return -CEPHFS_ERANGE; | |
1823 | ||
1824 | /* get_pool_id error codes fit in int */ | |
1825 | return (int)pool_id; | |
1826 | } | |
1827 | ||
1828 | extern "C" int ceph_get_pool_replication(struct ceph_mount_info *cmount, | |
1829 | int pool_id) | |
1830 | { | |
1831 | if (!cmount->is_mounted()) | |
1832 | return -CEPHFS_ENOTCONN; | |
1833 | return cmount->get_client()->get_pool_replication(pool_id); | |
1834 | } | |
1835 | /* Low-level exports */ | |
1836 | ||
1837 | extern "C" int ceph_ll_lookup_root(struct ceph_mount_info *cmount, | |
1838 | Inode **parent) | |
1839 | { | |
1840 | *parent = cmount->get_client()->get_root(); | |
1841 | if (*parent) | |
1842 | return 0; | |
1843 | return -CEPHFS_EFAULT; | |
1844 | } | |
1845 | ||
1846 | extern "C" struct Inode *ceph_ll_get_inode(class ceph_mount_info *cmount, | |
1847 | vinodeno_t vino) | |
1848 | { | |
1849 | return (cmount->get_client())->ll_get_inode(vino); | |
1850 | } | |
1851 | ||
1852 | ||
1853 | extern "C" int ceph_ll_lookup_vino( | |
1854 | struct ceph_mount_info *cmount, | |
1855 | vinodeno_t vino, | |
1856 | Inode **inode) | |
1857 | { | |
1858 | return (cmount->get_client())->ll_lookup_vino(vino, cmount->default_perms, inode); | |
1859 | } | |
1860 | ||
1861 | /** | |
1862 | * Populates the client cache with the requested inode, and its | |
1863 | * parent dentry. | |
1864 | */ | |
1865 | extern "C" int ceph_ll_lookup_inode( | |
1866 | struct ceph_mount_info *cmount, | |
1867 | struct inodeno_t ino, | |
1868 | Inode **inode) | |
1869 | { | |
1870 | return (cmount->get_client())->ll_lookup_inode(ino, cmount->default_perms, inode); | |
1871 | } | |
1872 | ||
1873 | extern "C" int ceph_ll_lookup(struct ceph_mount_info *cmount, | |
1874 | Inode *parent, const char *name, Inode **out, | |
1875 | struct ceph_statx *stx, unsigned want, | |
1876 | unsigned flags, const UserPerm *perms) | |
1877 | { | |
1878 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
1879 | return -CEPHFS_EINVAL; | |
1880 | return (cmount->get_client())->ll_lookupx(parent, name, out, stx, want, | |
1881 | flags, *perms); | |
1882 | } | |
1883 | ||
1884 | extern "C" int ceph_ll_put(class ceph_mount_info *cmount, Inode *in) | |
1885 | { | |
1886 | return (cmount->get_client()->ll_put(in)); | |
1887 | } | |
1888 | ||
1889 | extern "C" int ceph_ll_forget(class ceph_mount_info *cmount, Inode *in, | |
1890 | int count) | |
1891 | { | |
1892 | return (cmount->get_client()->ll_forget(in, count)); | |
1893 | } | |
1894 | ||
1895 | extern "C" int ceph_ll_walk(struct ceph_mount_info *cmount, const char* name, Inode **i, | |
1896 | struct ceph_statx *stx, unsigned int want, unsigned int flags, | |
1897 | const UserPerm *perms) | |
1898 | { | |
1899 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
1900 | return -CEPHFS_EINVAL; | |
1901 | return(cmount->get_client()->ll_walk(name, i, stx, want, flags, *perms)); | |
1902 | } | |
1903 | ||
1904 | extern "C" int ceph_ll_getattr(class ceph_mount_info *cmount, | |
1905 | Inode *in, struct ceph_statx *stx, | |
1906 | unsigned int want, unsigned int flags, | |
1907 | const UserPerm *perms) | |
1908 | { | |
1909 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
1910 | return -CEPHFS_EINVAL; | |
1911 | return (cmount->get_client()->ll_getattrx(in, stx, want, flags, *perms)); | |
1912 | } | |
1913 | ||
1914 | extern "C" int ceph_ll_setattr(class ceph_mount_info *cmount, | |
1915 | Inode *in, struct ceph_statx *stx, | |
1916 | int mask, const UserPerm *perms) | |
1917 | { | |
1918 | return (cmount->get_client()->ll_setattrx(in, stx, mask, *perms)); | |
1919 | } | |
1920 | ||
1921 | extern "C" int ceph_ll_open(class ceph_mount_info *cmount, Inode *in, | |
1922 | int flags, Fh **fh, const UserPerm *perms) | |
1923 | { | |
1924 | return (cmount->get_client()->ll_open(in, flags, fh, *perms)); | |
1925 | } | |
1926 | ||
1927 | extern "C" int ceph_ll_read(class ceph_mount_info *cmount, Fh* filehandle, | |
1928 | int64_t off, uint64_t len, char* buf) | |
1929 | { | |
1930 | bufferlist bl; | |
1931 | int r = 0; | |
1932 | ||
1933 | r = cmount->get_client()->ll_read(filehandle, off, len, &bl); | |
1934 | if (r >= 0) | |
1935 | { | |
1936 | bl.begin().copy(bl.length(), buf); | |
1937 | r = bl.length(); | |
1938 | } | |
1939 | return r; | |
1940 | } | |
1941 | ||
1942 | extern "C" int ceph_ll_read_block(class ceph_mount_info *cmount, | |
1943 | Inode *in, uint64_t blockid, | |
1944 | char* buf, uint64_t offset, | |
1945 | uint64_t length, | |
1946 | struct ceph_file_layout* layout) | |
1947 | { | |
1948 | file_layout_t l; | |
1949 | int r = (cmount->get_client()->ll_read_block(in, blockid, buf, offset, | |
1950 | length, &l)); | |
1951 | l.to_legacy(layout); | |
1952 | return r; | |
1953 | } | |
1954 | ||
1955 | extern "C" int ceph_ll_write_block(class ceph_mount_info *cmount, | |
1956 | Inode *in, uint64_t blockid, | |
1957 | char *buf, uint64_t offset, | |
1958 | uint64_t length, | |
1959 | struct ceph_file_layout *layout, | |
1960 | uint64_t snapseq, uint32_t sync) | |
1961 | { | |
1962 | file_layout_t l; | |
1963 | int r = (cmount->get_client()->ll_write_block(in, blockid, buf, offset, | |
1964 | length, &l, snapseq, sync)); | |
1965 | l.to_legacy(layout); | |
1966 | return r; | |
1967 | } | |
1968 | ||
1969 | extern "C" int ceph_ll_commit_blocks(class ceph_mount_info *cmount, | |
1970 | Inode *in, uint64_t offset, | |
1971 | uint64_t range) | |
1972 | { | |
1973 | return (cmount->get_client()->ll_commit_blocks(in, offset, range)); | |
1974 | } | |
1975 | ||
1976 | extern "C" int ceph_ll_fsync(class ceph_mount_info *cmount, | |
1977 | Fh *fh, int syncdataonly) | |
1978 | { | |
1979 | return (cmount->get_client()->ll_fsync(fh, syncdataonly)); | |
1980 | } | |
1981 | ||
1982 | extern "C" int ceph_ll_sync_inode(class ceph_mount_info *cmount, | |
1983 | Inode *in, int syncdataonly) | |
1984 | { | |
1985 | return (cmount->get_client()->ll_sync_inode(in, syncdataonly)); | |
1986 | } | |
1987 | ||
1988 | extern "C" int ceph_ll_fallocate(class ceph_mount_info *cmount, Fh *fh, | |
1989 | int mode, int64_t offset, int64_t length) | |
1990 | { | |
1991 | return cmount->get_client()->ll_fallocate(fh, mode, offset, length); | |
1992 | } | |
1993 | ||
1994 | extern "C" off_t ceph_ll_lseek(class ceph_mount_info *cmount, | |
1995 | Fh *fh, off_t offset, int whence) | |
1996 | { | |
1997 | return (cmount->get_client()->ll_lseek(fh, offset, whence)); | |
1998 | } | |
1999 | ||
2000 | extern "C" int ceph_ll_write(class ceph_mount_info *cmount, | |
2001 | Fh *fh, int64_t off, uint64_t len, | |
2002 | const char *data) | |
2003 | { | |
2004 | return (cmount->get_client()->ll_write(fh, off, len, data)); | |
2005 | } | |
2006 | ||
2007 | extern "C" int64_t ceph_ll_readv(class ceph_mount_info *cmount, | |
2008 | struct Fh *fh, const struct iovec *iov, | |
2009 | int iovcnt, int64_t off) | |
2010 | { | |
2011 | return (cmount->get_client()->ll_readv(fh, iov, iovcnt, off)); | |
2012 | } | |
2013 | ||
2014 | extern "C" int64_t ceph_ll_writev(class ceph_mount_info *cmount, | |
2015 | struct Fh *fh, const struct iovec *iov, | |
2016 | int iovcnt, int64_t off) | |
2017 | { | |
2018 | return (cmount->get_client()->ll_writev(fh, iov, iovcnt, off)); | |
2019 | } | |
2020 | ||
2021 | extern "C" int ceph_ll_close(class ceph_mount_info *cmount, Fh* fh) | |
2022 | { | |
2023 | return (cmount->get_client()->ll_release(fh)); | |
2024 | } | |
2025 | ||
2026 | extern "C" int ceph_ll_create(class ceph_mount_info *cmount, | |
2027 | Inode *parent, const char *name, mode_t mode, | |
2028 | int oflags, Inode **outp, Fh **fhp, | |
2029 | struct ceph_statx *stx, unsigned want, | |
2030 | unsigned lflags, const UserPerm *perms) | |
2031 | { | |
2032 | if (lflags & ~CEPH_REQ_FLAG_MASK) | |
2033 | return -CEPHFS_EINVAL; | |
2034 | return (cmount->get_client())->ll_createx(parent, name, mode, oflags, outp, | |
2035 | fhp, stx, want, lflags, *perms); | |
2036 | } | |
2037 | ||
2038 | extern "C" int ceph_ll_mknod(class ceph_mount_info *cmount, Inode *parent, | |
2039 | const char *name, mode_t mode, dev_t rdev, | |
2040 | Inode **out, struct ceph_statx *stx, | |
2041 | unsigned want, unsigned flags, | |
2042 | const UserPerm *perms) | |
2043 | { | |
2044 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
2045 | return -CEPHFS_EINVAL; | |
2046 | return (cmount->get_client())->ll_mknodx(parent, name, mode, rdev, | |
2047 | out, stx, want, flags, *perms); | |
2048 | } | |
2049 | ||
2050 | extern "C" int ceph_ll_mkdir(class ceph_mount_info *cmount, Inode *parent, | |
2051 | const char *name, mode_t mode, Inode **out, | |
2052 | struct ceph_statx *stx, unsigned want, | |
2053 | unsigned flags, const UserPerm *perms) | |
2054 | { | |
2055 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
2056 | return -CEPHFS_EINVAL; | |
2057 | return cmount->get_client()->ll_mkdirx(parent, name, mode, out, stx, want, | |
2058 | flags, *perms); | |
2059 | } | |
2060 | ||
2061 | extern "C" int ceph_ll_link(class ceph_mount_info *cmount, | |
2062 | Inode *in, Inode *newparent, | |
2063 | const char *name, const UserPerm *perms) | |
2064 | { | |
2065 | return cmount->get_client()->ll_link(in, newparent, name, *perms); | |
2066 | } | |
2067 | ||
2068 | extern "C" int ceph_ll_opendir(class ceph_mount_info *cmount, | |
2069 | Inode *in, | |
2070 | struct ceph_dir_result **dirpp, | |
2071 | const UserPerm *perms) | |
2072 | { | |
2073 | return (cmount->get_client()->ll_opendir(in, O_RDONLY, (dir_result_t**) dirpp, | |
2074 | *perms)); | |
2075 | } | |
2076 | ||
2077 | extern "C" int ceph_ll_releasedir(class ceph_mount_info *cmount, | |
2078 | ceph_dir_result *dir) | |
2079 | { | |
2080 | return cmount->get_client()->ll_releasedir(reinterpret_cast<dir_result_t*>(dir)); | |
2081 | } | |
2082 | ||
2083 | extern "C" int ceph_ll_rename(class ceph_mount_info *cmount, | |
2084 | Inode *parent, const char *name, | |
2085 | Inode *newparent, const char *newname, | |
2086 | const UserPerm *perms) | |
2087 | { | |
2088 | return cmount->get_client()->ll_rename(parent, name, newparent, | |
2089 | newname, *perms); | |
2090 | } | |
2091 | ||
2092 | extern "C" int ceph_ll_unlink(class ceph_mount_info *cmount, Inode *in, | |
2093 | const char *name, const UserPerm *perms) | |
2094 | { | |
2095 | return cmount->get_client()->ll_unlink(in, name, *perms); | |
2096 | } | |
2097 | ||
2098 | extern "C" int ceph_ll_statfs(class ceph_mount_info *cmount, | |
2099 | Inode *in, struct statvfs *stbuf) | |
2100 | { | |
2101 | return (cmount->get_client()->ll_statfs(in, stbuf, cmount->default_perms)); | |
2102 | } | |
2103 | ||
2104 | extern "C" int ceph_ll_readlink(class ceph_mount_info *cmount, Inode *in, | |
2105 | char *buf, size_t bufsiz, | |
2106 | const UserPerm *perms) | |
2107 | { | |
2108 | return cmount->get_client()->ll_readlink(in, buf, bufsiz, *perms); | |
2109 | } | |
2110 | ||
2111 | extern "C" int ceph_ll_symlink(class ceph_mount_info *cmount, | |
2112 | Inode *in, const char *name, | |
2113 | const char *value, Inode **out, | |
2114 | struct ceph_statx *stx, unsigned want, | |
2115 | unsigned flags, const UserPerm *perms) | |
2116 | { | |
2117 | if (flags & ~CEPH_REQ_FLAG_MASK) | |
2118 | return -CEPHFS_EINVAL; | |
2119 | return (cmount->get_client()->ll_symlinkx(in, name, value, out, stx, want, | |
2120 | flags, *perms)); | |
2121 | } | |
2122 | ||
2123 | extern "C" int ceph_ll_rmdir(class ceph_mount_info *cmount, | |
2124 | Inode *in, const char *name, | |
2125 | const UserPerm *perms) | |
2126 | { | |
2127 | return cmount->get_client()->ll_rmdir(in, name, *perms); | |
2128 | } | |
2129 | ||
2130 | extern "C" int ceph_ll_getxattr(class ceph_mount_info *cmount, | |
2131 | Inode *in, const char *name, void *value, | |
2132 | size_t size, const UserPerm *perms) | |
2133 | { | |
2134 | return (cmount->get_client()->ll_getxattr(in, name, value, size, *perms)); | |
2135 | } | |
2136 | ||
2137 | extern "C" int ceph_ll_listxattr(struct ceph_mount_info *cmount, | |
2138 | Inode *in, char *list, | |
2139 | size_t buf_size, size_t *list_size, | |
2140 | const UserPerm *perms) | |
2141 | { | |
2142 | int res = cmount->get_client()->ll_listxattr(in, list, buf_size, *perms); | |
2143 | if (res >= 0) { | |
2144 | *list_size = (size_t)res; | |
2145 | return 0; | |
2146 | } | |
2147 | return res; | |
2148 | } | |
2149 | ||
2150 | extern "C" int ceph_ll_setxattr(class ceph_mount_info *cmount, | |
2151 | Inode *in, const char *name, | |
2152 | const void *value, size_t size, | |
2153 | int flags, const UserPerm *perms) | |
2154 | { | |
2155 | return (cmount->get_client()->ll_setxattr(in, name, value, size, flags, *perms)); | |
2156 | } | |
2157 | ||
2158 | extern "C" int ceph_ll_removexattr(class ceph_mount_info *cmount, | |
2159 | Inode *in, const char *name, | |
2160 | const UserPerm *perms) | |
2161 | { | |
2162 | return (cmount->get_client()->ll_removexattr(in, name, *perms)); | |
2163 | } | |
2164 | ||
2165 | extern "C" int ceph_ll_getlk(struct ceph_mount_info *cmount, | |
2166 | Fh *fh, struct flock *fl, uint64_t owner) | |
2167 | { | |
2168 | return (cmount->get_client()->ll_getlk(fh, fl, owner)); | |
2169 | } | |
2170 | ||
2171 | extern "C" int ceph_ll_setlk(struct ceph_mount_info *cmount, | |
2172 | Fh *fh, struct flock *fl, uint64_t owner, | |
2173 | int sleep) | |
2174 | { | |
2175 | return (cmount->get_client()->ll_setlk(fh, fl, owner, sleep)); | |
2176 | } | |
2177 | ||
2178 | extern "C" int ceph_ll_lazyio(class ceph_mount_info *cmount, | |
2179 | Fh *fh, int enable) | |
2180 | { | |
2181 | return (cmount->get_client()->ll_lazyio(fh, enable)); | |
2182 | } | |
2183 | ||
2184 | extern "C" int ceph_ll_delegation(struct ceph_mount_info *cmount, Fh *fh, | |
2185 | unsigned cmd, ceph_deleg_cb_t cb, void *priv) | |
2186 | { | |
2187 | return (cmount->get_client()->ll_delegation(fh, cmd, cb, priv)); | |
2188 | } | |
2189 | ||
2190 | extern "C" uint32_t ceph_ll_stripe_unit(class ceph_mount_info *cmount, | |
2191 | Inode *in) | |
2192 | { | |
2193 | return (cmount->get_client()->ll_stripe_unit(in)); | |
2194 | } | |
2195 | ||
2196 | extern "C" uint32_t ceph_ll_file_layout(class ceph_mount_info *cmount, | |
2197 | Inode *in, | |
2198 | struct ceph_file_layout *layout) | |
2199 | { | |
2200 | file_layout_t l; | |
2201 | int r = (cmount->get_client()->ll_file_layout(in, &l)); | |
2202 | l.to_legacy(layout); | |
2203 | return r; | |
2204 | } | |
2205 | ||
2206 | uint64_t ceph_ll_snap_seq(class ceph_mount_info *cmount, Inode *in) | |
2207 | { | |
2208 | return (cmount->get_client()->ll_snap_seq(in)); | |
2209 | } | |
2210 | ||
2211 | extern "C" int ceph_ll_get_stripe_osd(class ceph_mount_info *cmount, | |
2212 | Inode *in, uint64_t blockno, | |
2213 | struct ceph_file_layout* layout) | |
2214 | { | |
2215 | file_layout_t l; | |
2216 | int r = (cmount->get_client()->ll_get_stripe_osd(in, blockno, &l)); | |
2217 | l.to_legacy(layout); | |
2218 | return r; | |
2219 | } | |
2220 | ||
2221 | extern "C" int ceph_ll_num_osds(class ceph_mount_info *cmount) | |
2222 | { | |
2223 | return (cmount->get_client()->ll_num_osds()); | |
2224 | } | |
2225 | ||
2226 | extern "C" int ceph_ll_osdaddr(class ceph_mount_info *cmount, | |
2227 | int osd, uint32_t *addr) | |
2228 | { | |
2229 | return (cmount->get_client()->ll_osdaddr(osd, addr)); | |
2230 | } | |
2231 | ||
2232 | extern "C" uint64_t ceph_ll_get_internal_offset(class ceph_mount_info *cmount, | |
2233 | Inode *in, | |
2234 | uint64_t blockno) | |
2235 | { | |
2236 | return (cmount->get_client()->ll_get_internal_offset(in, blockno)); | |
2237 | } | |
2238 | ||
2239 | extern "C" void ceph_buffer_free(char *buf) | |
2240 | { | |
2241 | if (buf) { | |
2242 | free(buf); | |
2243 | } | |
2244 | } | |
2245 | ||
2246 | extern "C" uint32_t ceph_get_cap_return_timeout(class ceph_mount_info *cmount) | |
2247 | { | |
2248 | if (!cmount->is_mounted()) | |
2249 | return 0; | |
2250 | return cmount->get_client()->mdsmap->get_session_autoclose().sec(); | |
2251 | } | |
2252 | ||
2253 | extern "C" int ceph_set_deleg_timeout(class ceph_mount_info *cmount, uint32_t timeout) | |
2254 | { | |
2255 | if (!cmount->is_mounted()) | |
2256 | return -CEPHFS_ENOTCONN; | |
2257 | return cmount->get_client()->set_deleg_timeout(timeout); | |
2258 | } | |
2259 | ||
2260 | extern "C" void ceph_set_session_timeout(class ceph_mount_info *cmount, unsigned timeout) | |
2261 | { | |
2262 | cmount->get_client()->set_session_timeout(timeout); | |
2263 | } | |
2264 | ||
2265 | extern "C" void ceph_set_uuid(class ceph_mount_info *cmount, const char *uuid) | |
2266 | { | |
2267 | cmount->get_client()->set_uuid(std::string(uuid)); | |
2268 | } | |
2269 | ||
2270 | extern "C" int ceph_start_reclaim(class ceph_mount_info *cmount, | |
2271 | const char *uuid, unsigned flags) | |
2272 | { | |
2273 | if (!cmount->is_initialized()) { | |
2274 | int ret = cmount->init(); | |
2275 | if (ret != 0) | |
2276 | return ret; | |
2277 | } | |
2278 | return cmount->get_client()->start_reclaim(std::string(uuid), flags, | |
2279 | cmount->get_filesystem()); | |
2280 | } | |
2281 | ||
2282 | extern "C" void ceph_finish_reclaim(class ceph_mount_info *cmount) | |
2283 | { | |
2284 | cmount->get_client()->finish_reclaim(); | |
2285 | } | |
2286 | ||
2287 | // This is deprecated, use ceph_ll_register_callbacks2 instead. | |
2288 | extern "C" void ceph_ll_register_callbacks(class ceph_mount_info *cmount, | |
2289 | struct ceph_client_callback_args *args) | |
2290 | { | |
2291 | cmount->get_client()->ll_register_callbacks(args); | |
2292 | } | |
2293 | ||
2294 | extern "C" int ceph_ll_register_callbacks2(class ceph_mount_info *cmount, | |
2295 | struct ceph_client_callback_args *args) | |
2296 | { | |
2297 | return cmount->get_client()->ll_register_callbacks2(args); | |
2298 | } | |
2299 | ||
2300 | ||
2301 | extern "C" int ceph_get_snap_info(struct ceph_mount_info *cmount, | |
2302 | const char *path, struct snap_info *snap_info) { | |
2303 | Client::SnapInfo info; | |
2304 | int r = cmount->get_client()->get_snap_info(path, cmount->default_perms, &info); | |
2305 | if (r < 0) { | |
2306 | return r; | |
2307 | } | |
2308 | ||
2309 | size_t i = 0; | |
2310 | auto nr_metadata = info.metadata.size(); | |
2311 | ||
2312 | snap_info->id = info.id.val; | |
2313 | snap_info->nr_snap_metadata = nr_metadata; | |
2314 | if (nr_metadata) { | |
2315 | snap_info->snap_metadata = (struct snap_metadata *)calloc(nr_metadata, sizeof(struct snap_metadata)); | |
2316 | if (!snap_info->snap_metadata) { | |
2317 | return -CEPHFS_ENOMEM; | |
2318 | } | |
2319 | ||
2320 | // fill with key, value pairs | |
2321 | for (auto &[key, value] : info.metadata) { | |
2322 | // len(key) + '\0' + len(value) + '\0' | |
2323 | char *kvp = (char *)malloc(key.size() + value.size() + 2); | |
2324 | if (!kvp) { | |
2325 | break; | |
2326 | } | |
2327 | char *_key = kvp; | |
2328 | char *_value = kvp + key.size() + 1; | |
2329 | ||
2330 | memcpy(_key, key.c_str(), key.size()); | |
2331 | _key[key.size()] = '\0'; | |
2332 | memcpy(_value, value.c_str(), value.size()); | |
2333 | _value[value.size()] = '\0'; | |
2334 | ||
2335 | snap_info->snap_metadata[i].key = _key; | |
2336 | snap_info->snap_metadata[i].value = _value; | |
2337 | ++i; | |
2338 | } | |
2339 | } | |
2340 | ||
2341 | if (nr_metadata && i != nr_metadata) { | |
2342 | ceph_free_snap_info_buffer(snap_info); | |
2343 | return -CEPHFS_ENOMEM; | |
2344 | } | |
2345 | ||
2346 | return 0; | |
2347 | } | |
2348 | ||
2349 | extern "C" void ceph_free_snap_info_buffer(struct snap_info *snap_info) { | |
2350 | for (size_t i = 0; i < snap_info->nr_snap_metadata; ++i) { | |
2351 | free((void *)snap_info->snap_metadata[i].key); // malloc'd memory is key+value composite | |
2352 | } | |
2353 | free(snap_info->snap_metadata); | |
2354 | } |