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7c673cae | 1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
9f95a23c | 2 | // vim: ts=8 sw=2 smarttab ft=cpp |
7c673cae FG |
3 | |
4 | #include "include/compat.h" | |
5 | #include "include/rados/rgw_file.h" | |
6 | ||
7 | #include <sys/types.h> | |
8 | #include <sys/stat.h> | |
9 | ||
10 | #include "rgw_lib.h" | |
11 | #include "rgw_rados.h" | |
12 | #include "rgw_resolve.h" | |
13 | #include "rgw_op.h" | |
14 | #include "rgw_rest.h" | |
15 | #include "rgw_acl.h" | |
16 | #include "rgw_acl_s3.h" | |
17 | #include "rgw_frontend.h" | |
18 | #include "rgw_request.h" | |
19 | #include "rgw_process.h" | |
20 | #include "rgw_rest_user.h" | |
21 | #include "rgw_rest_s3.h" | |
22 | #include "rgw_os_lib.h" | |
23 | #include "rgw_auth_s3.h" | |
24 | #include "rgw_user.h" | |
25 | #include "rgw_bucket.h" | |
11fdf7f2 | 26 | #include "rgw_zone.h" |
7c673cae FG |
27 | #include "rgw_file.h" |
28 | #include "rgw_lib_frontend.h" | |
11fdf7f2 | 29 | #include "rgw_perf_counters.h" |
28e407b8 | 30 | #include "common/errno.h" |
7c673cae | 31 | |
9f95a23c TL |
32 | #include "services/svc_zone.h" |
33 | ||
7c673cae FG |
34 | #include <atomic> |
35 | ||
36 | #define dout_subsys ceph_subsys_rgw | |
37 | ||
38 | using namespace rgw; | |
39 | ||
40 | namespace rgw { | |
41 | ||
42 | extern RGWLib rgwlib; | |
43 | ||
44 | const string RGWFileHandle::root_name = "/"; | |
45 | ||
46 | std::atomic<uint32_t> RGWLibFS::fs_inst_counter; | |
47 | ||
48 | uint32_t RGWLibFS::write_completion_interval_s = 10; | |
49 | ||
50 | ceph::timer<ceph::mono_clock> RGWLibFS::write_timer{ | |
51 | ceph::construct_suspended}; | |
52 | ||
53 | inline int valid_fs_bucket_name(const string& name) { | |
54 | int rc = valid_s3_bucket_name(name, false /* relaxed */); | |
55 | if (rc != 0) { | |
56 | if (name.size() > 255) | |
57 | return -ENAMETOOLONG; | |
58 | return -EINVAL; | |
59 | } | |
60 | return 0; | |
61 | } | |
62 | ||
63 | inline int valid_fs_object_name(const string& name) { | |
64 | int rc = valid_s3_object_name(name); | |
65 | if (rc != 0) { | |
66 | if (name.size() > 1024) | |
67 | return -ENAMETOOLONG; | |
68 | return -EINVAL; | |
69 | } | |
70 | return 0; | |
71 | } | |
72 | ||
31f18b77 FG |
73 | LookupFHResult RGWLibFS::stat_bucket(RGWFileHandle* parent, const char *path, |
74 | RGWLibFS::BucketStats& bs, | |
75 | uint32_t flags) | |
7c673cae FG |
76 | { |
77 | LookupFHResult fhr{nullptr, 0}; | |
78 | std::string bucket_name{path}; | |
9f95a23c TL |
79 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
80 | RGWStatBucketRequest req(cct, &ruser, bucket_name, bs); | |
7c673cae FG |
81 | |
82 | int rc = rgwlib.get_fe()->execute_req(&req); | |
83 | if ((rc == 0) && | |
84 | (req.get_ret() == 0) && | |
85 | (req.matched())) { | |
86 | fhr = lookup_fh(parent, path, | |
31f18b77 | 87 | (flags & RGWFileHandle::FLAG_LOCKED)| |
7c673cae FG |
88 | RGWFileHandle::FLAG_CREATE| |
89 | RGWFileHandle::FLAG_BUCKET); | |
90 | if (get<0>(fhr)) { | |
91 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
31f18b77 FG |
92 | if (! (flags & RGWFileHandle::FLAG_LOCKED)) { |
93 | rgw_fh->mtx.lock(); | |
94 | } | |
7c673cae FG |
95 | rgw_fh->set_times(req.get_ctime()); |
96 | /* restore attributes */ | |
97 | auto ux_key = req.get_attr(RGW_ATTR_UNIX_KEY1); | |
98 | auto ux_attrs = req.get_attr(RGW_ATTR_UNIX1); | |
99 | if (ux_key && ux_attrs) { | |
3efd9988 FG |
100 | DecodeAttrsResult dar = rgw_fh->decode_attrs(ux_key, ux_attrs); |
101 | if (get<0>(dar) || get<1>(dar)) { | |
102 | update_fh(rgw_fh); | |
103 | } | |
7c673cae | 104 | } |
31f18b77 FG |
105 | if (! (flags & RGWFileHandle::FLAG_LOCKED)) { |
106 | rgw_fh->mtx.unlock(); | |
107 | } | |
7c673cae FG |
108 | } |
109 | } | |
110 | return fhr; | |
111 | } | |
112 | ||
eafe8130 TL |
113 | LookupFHResult RGWLibFS::fake_leaf(RGWFileHandle* parent, |
114 | const char *path, | |
115 | enum rgw_fh_type type, | |
116 | struct stat *st, uint32_t st_mask, | |
117 | uint32_t flags) | |
118 | { | |
119 | /* synthesize a minimal handle from parent, path, type, and st */ | |
120 | using std::get; | |
121 | ||
122 | flags |= RGWFileHandle::FLAG_CREATE; | |
123 | ||
124 | switch (type) { | |
125 | case RGW_FS_TYPE_DIRECTORY: | |
126 | flags |= RGWFileHandle::FLAG_DIRECTORY; | |
127 | break; | |
128 | default: | |
129 | /* file */ | |
130 | break; | |
131 | }; | |
132 | ||
133 | LookupFHResult fhr = lookup_fh(parent, path, flags); | |
134 | if (get<0>(fhr)) { | |
135 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
136 | if (st) { | |
137 | lock_guard guard(rgw_fh->mtx); | |
138 | if (st_mask & RGW_SETATTR_SIZE) { | |
139 | rgw_fh->set_size(st->st_size); | |
140 | } | |
141 | if (st_mask & RGW_SETATTR_MTIME) { | |
142 | rgw_fh->set_times(st->st_mtim); | |
143 | } | |
144 | } /* st */ | |
145 | } /* rgw_fh */ | |
146 | return fhr; | |
147 | } /* RGWLibFS::fake_leaf */ | |
148 | ||
7c673cae FG |
149 | LookupFHResult RGWLibFS::stat_leaf(RGWFileHandle* parent, |
150 | const char *path, | |
151 | enum rgw_fh_type type, | |
152 | uint32_t flags) | |
153 | { | |
154 | /* find either-of <object_name>, <object_name/>, only one of | |
155 | * which should exist; atomicity? */ | |
156 | using std::get; | |
157 | ||
158 | LookupFHResult fhr{nullptr, 0}; | |
159 | ||
160 | /* XXX the need for two round-trip operations to identify file or | |
161 | * directory leaf objects is unecessary--the current proposed | |
162 | * mechanism to avoid this is to store leaf object names with an | |
163 | * object locator w/o trailing slash */ | |
164 | ||
31f18b77 | 165 | std::string obj_path = parent->format_child_name(path, false); |
9f95a23c | 166 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
7c673cae FG |
167 | |
168 | for (auto ix : { 0, 1, 2 }) { | |
169 | switch (ix) { | |
170 | case 0: | |
171 | { | |
172 | /* type hint */ | |
173 | if (type == RGW_FS_TYPE_DIRECTORY) | |
174 | continue; | |
175 | ||
9f95a23c | 176 | RGWStatObjRequest req(cct, &ruser, |
7c673cae FG |
177 | parent->bucket_name(), obj_path, |
178 | RGWStatObjRequest::FLAG_NONE); | |
179 | int rc = rgwlib.get_fe()->execute_req(&req); | |
180 | if ((rc == 0) && | |
181 | (req.get_ret() == 0)) { | |
182 | fhr = lookup_fh(parent, path, RGWFileHandle::FLAG_CREATE); | |
183 | if (get<0>(fhr)) { | |
184 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
185 | lock_guard guard(rgw_fh->mtx); | |
186 | rgw_fh->set_size(req.get_size()); | |
187 | rgw_fh->set_times(req.get_mtime()); | |
188 | /* restore attributes */ | |
189 | auto ux_key = req.get_attr(RGW_ATTR_UNIX_KEY1); | |
190 | auto ux_attrs = req.get_attr(RGW_ATTR_UNIX1); | |
81eedcae TL |
191 | rgw_fh->set_etag(*(req.get_attr(RGW_ATTR_ETAG))); |
192 | rgw_fh->set_acls(*(req.get_attr(RGW_ATTR_ACL))); | |
7c673cae | 193 | if (ux_key && ux_attrs) { |
3efd9988 FG |
194 | DecodeAttrsResult dar = rgw_fh->decode_attrs(ux_key, ux_attrs); |
195 | if (get<0>(dar) || get<1>(dar)) { | |
196 | update_fh(rgw_fh); | |
197 | } | |
7c673cae FG |
198 | } |
199 | } | |
200 | goto done; | |
201 | } | |
202 | } | |
203 | break; | |
204 | case 1: | |
205 | { | |
206 | /* try dir form */ | |
207 | /* type hint */ | |
208 | if (type == RGW_FS_TYPE_FILE) | |
209 | continue; | |
210 | ||
211 | obj_path += "/"; | |
9f95a23c | 212 | RGWStatObjRequest req(cct, &ruser, |
7c673cae FG |
213 | parent->bucket_name(), obj_path, |
214 | RGWStatObjRequest::FLAG_NONE); | |
215 | int rc = rgwlib.get_fe()->execute_req(&req); | |
216 | if ((rc == 0) && | |
217 | (req.get_ret() == 0)) { | |
218 | fhr = lookup_fh(parent, path, RGWFileHandle::FLAG_DIRECTORY); | |
219 | if (get<0>(fhr)) { | |
220 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
221 | lock_guard guard(rgw_fh->mtx); | |
222 | rgw_fh->set_size(req.get_size()); | |
223 | rgw_fh->set_times(req.get_mtime()); | |
224 | /* restore attributes */ | |
225 | auto ux_key = req.get_attr(RGW_ATTR_UNIX_KEY1); | |
226 | auto ux_attrs = req.get_attr(RGW_ATTR_UNIX1); | |
81eedcae TL |
227 | rgw_fh->set_etag(*(req.get_attr(RGW_ATTR_ETAG))); |
228 | rgw_fh->set_acls(*(req.get_attr(RGW_ATTR_ACL))); | |
7c673cae | 229 | if (ux_key && ux_attrs) { |
3efd9988 FG |
230 | DecodeAttrsResult dar = rgw_fh->decode_attrs(ux_key, ux_attrs); |
231 | if (get<0>(dar) || get<1>(dar)) { | |
232 | update_fh(rgw_fh); | |
233 | } | |
7c673cae FG |
234 | } |
235 | } | |
236 | goto done; | |
237 | } | |
238 | } | |
239 | break; | |
240 | case 2: | |
241 | { | |
242 | std::string object_name{path}; | |
9f95a23c | 243 | RGWStatLeafRequest req(cct, &ruser, parent, object_name); |
7c673cae FG |
244 | int rc = rgwlib.get_fe()->execute_req(&req); |
245 | if ((rc == 0) && | |
246 | (req.get_ret() == 0)) { | |
247 | if (req.matched) { | |
248 | /* we need rgw object's key name equal to file name, if | |
249 | * not return NULL */ | |
250 | if ((flags & RGWFileHandle::FLAG_EXACT_MATCH) && | |
251 | !req.exact_matched) { | |
252 | lsubdout(get_context(), rgw, 15) | |
253 | << __func__ | |
254 | << ": stat leaf not exact match file name = " | |
255 | << path << dendl; | |
256 | goto done; | |
257 | } | |
258 | fhr = lookup_fh(parent, path, | |
259 | RGWFileHandle::FLAG_CREATE| | |
260 | ((req.is_dir) ? | |
261 | RGWFileHandle::FLAG_DIRECTORY : | |
262 | RGWFileHandle::FLAG_NONE)); | |
263 | /* XXX we don't have an object--in general, there need not | |
264 | * be one (just a path segment in some other object). In | |
265 | * actual leaf an object exists, but we'd need another round | |
266 | * trip to get attrs */ | |
267 | if (get<0>(fhr)) { | |
268 | /* for now use the parent object's mtime */ | |
269 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
270 | lock_guard guard(rgw_fh->mtx); | |
271 | rgw_fh->set_mtime(parent->get_mtime()); | |
272 | } | |
273 | } | |
274 | } | |
275 | } | |
276 | break; | |
277 | default: | |
278 | /* not reached */ | |
279 | break; | |
280 | } | |
281 | } | |
282 | done: | |
283 | return fhr; | |
284 | } /* RGWLibFS::stat_leaf */ | |
285 | ||
286 | int RGWLibFS::read(RGWFileHandle* rgw_fh, uint64_t offset, size_t length, | |
287 | size_t* bytes_read, void* buffer, uint32_t flags) | |
288 | { | |
289 | if (! rgw_fh->is_file()) | |
290 | return -EINVAL; | |
291 | ||
292 | if (rgw_fh->deleted()) | |
293 | return -ESTALE; | |
294 | ||
9f95a23c TL |
295 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
296 | RGWReadRequest req(get_context(), &ruser, rgw_fh, offset, length, | |
7c673cae FG |
297 | buffer); |
298 | ||
299 | int rc = rgwlib.get_fe()->execute_req(&req); | |
300 | if ((rc == 0) && | |
301 | (req.get_ret() == 0)) { | |
11fdf7f2 TL |
302 | lock_guard guard(rgw_fh->mtx); |
303 | rgw_fh->set_atime(real_clock::to_timespec(real_clock::now())); | |
304 | *bytes_read = req.nread; | |
305 | } | |
306 | ||
307 | return rc; | |
308 | } | |
309 | ||
310 | int RGWLibFS::readlink(RGWFileHandle* rgw_fh, uint64_t offset, size_t length, | |
311 | size_t* bytes_read, void* buffer, uint32_t flags) | |
312 | { | |
313 | if (! rgw_fh->is_link()) | |
314 | return -EINVAL; | |
315 | ||
316 | if (rgw_fh->deleted()) | |
317 | return -ESTALE; | |
318 | ||
9f95a23c TL |
319 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
320 | RGWReadRequest req(get_context(), &ruser, rgw_fh, offset, length, | |
11fdf7f2 TL |
321 | buffer); |
322 | ||
323 | int rc = rgwlib.get_fe()->execute_req(&req); | |
324 | if ((rc == 0) && | |
325 | (req.get_ret() == 0)) { | |
7c673cae FG |
326 | lock_guard(rgw_fh->mtx); |
327 | rgw_fh->set_atime(real_clock::to_timespec(real_clock::now())); | |
328 | *bytes_read = req.nread; | |
329 | } | |
330 | ||
331 | return rc; | |
332 | } | |
333 | ||
334 | int RGWLibFS::unlink(RGWFileHandle* rgw_fh, const char* name, uint32_t flags) | |
335 | { | |
336 | int rc = 0; | |
31f18b77 | 337 | BucketStats bs; |
7c673cae | 338 | RGWFileHandle* parent = nullptr; |
31f18b77 | 339 | RGWFileHandle* bkt_fh = nullptr; |
7c673cae FG |
340 | |
341 | if (unlikely(flags & RGWFileHandle::FLAG_UNLINK_THIS)) { | |
342 | /* LOCKED */ | |
343 | parent = rgw_fh->get_parent(); | |
344 | } else { | |
345 | /* atomicity */ | |
346 | parent = rgw_fh; | |
347 | LookupFHResult fhr = lookup_fh(parent, name, RGWFileHandle::FLAG_LOCK); | |
348 | rgw_fh = get<0>(fhr); | |
349 | /* LOCKED */ | |
350 | } | |
351 | ||
9f95a23c | 352 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
7c673cae | 353 | if (parent->is_root()) { |
31f18b77 FG |
354 | /* a bucket may have an object storing Unix attributes, check |
355 | * for and delete it */ | |
356 | LookupFHResult fhr; | |
357 | fhr = stat_bucket(parent, name, bs, (rgw_fh) ? | |
358 | RGWFileHandle::FLAG_LOCKED : | |
359 | RGWFileHandle::FLAG_NONE); | |
360 | bkt_fh = get<0>(fhr); | |
361 | if (unlikely(! bkt_fh)) { | |
362 | /* implies !rgw_fh, so also !LOCKED */ | |
363 | return -ENOENT; | |
364 | } | |
365 | ||
366 | if (bs.num_entries > 1) { | |
367 | unref(bkt_fh); /* return stat_bucket ref */ | |
368 | if (likely(!! rgw_fh)) { /* return lock and ref from | |
369 | * lookup_fh (or caller in the | |
370 | * special case of | |
371 | * RGWFileHandle::FLAG_UNLINK_THIS) */ | |
372 | rgw_fh->mtx.unlock(); | |
373 | unref(rgw_fh); | |
374 | } | |
375 | return -ENOTEMPTY; | |
376 | } else { | |
377 | /* delete object w/key "<bucket>/" (uxattrs), if any */ | |
378 | string oname{"/"}; | |
9f95a23c | 379 | RGWDeleteObjRequest req(cct, &ruser, bkt_fh->bucket_name(), oname); |
31f18b77 FG |
380 | rc = rgwlib.get_fe()->execute_req(&req); |
381 | /* don't care if ENOENT */ | |
382 | unref(bkt_fh); | |
383 | } | |
384 | ||
385 | string bname{name}; | |
9f95a23c | 386 | RGWDeleteBucketRequest req(cct, &ruser, bname); |
7c673cae FG |
387 | rc = rgwlib.get_fe()->execute_req(&req); |
388 | if (! rc) { | |
389 | rc = req.get_ret(); | |
390 | } | |
391 | } else { | |
392 | /* | |
393 | * leaf object | |
394 | */ | |
395 | if (! rgw_fh) { | |
396 | /* XXX for now, peform a hard lookup to deduce the type of | |
397 | * object to be deleted ("foo" vs. "foo/")--also, ensures | |
398 | * atomicity at this endpoint */ | |
399 | struct rgw_file_handle *fh; | |
400 | rc = rgw_lookup(get_fs(), parent->get_fh(), name, &fh, | |
eafe8130 | 401 | nullptr /* st */, 0 /* mask */, |
7c673cae FG |
402 | RGW_LOOKUP_FLAG_NONE); |
403 | if (!! rc) | |
404 | return rc; | |
405 | ||
406 | /* rgw_fh ref+ */ | |
407 | rgw_fh = get_rgwfh(fh); | |
408 | rgw_fh->mtx.lock(); /* LOCKED */ | |
409 | } | |
410 | ||
411 | std::string oname = rgw_fh->relative_object_name(); | |
412 | if (rgw_fh->is_dir()) { | |
413 | /* for the duration of our cache timer, trust positive | |
414 | * child cache */ | |
415 | if (rgw_fh->has_children()) { | |
416 | rgw_fh->mtx.unlock(); | |
417 | unref(rgw_fh); | |
418 | return(-ENOTEMPTY); | |
419 | } | |
420 | oname += "/"; | |
421 | } | |
9f95a23c | 422 | RGWDeleteObjRequest req(cct, &ruser, parent->bucket_name(), |
7c673cae FG |
423 | oname); |
424 | rc = rgwlib.get_fe()->execute_req(&req); | |
425 | if (! rc) { | |
426 | rc = req.get_ret(); | |
427 | } | |
428 | } | |
429 | ||
31f18b77 FG |
430 | /* ENOENT when raced with other s3 gateway */ |
431 | if (! rc || rc == -ENOENT) { | |
432 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
433 | fh_cache.remove(rgw_fh->fh.fh_hk.object, rgw_fh, | |
434 | RGWFileHandle::FHCache::FLAG_LOCK); | |
435 | } | |
7c673cae FG |
436 | |
437 | if (! rc) { | |
438 | real_time t = real_clock::now(); | |
439 | parent->set_mtime(real_clock::to_timespec(t)); | |
440 | parent->set_ctime(real_clock::to_timespec(t)); | |
441 | } | |
442 | ||
443 | rgw_fh->mtx.unlock(); | |
444 | unref(rgw_fh); | |
445 | ||
446 | return rc; | |
447 | } /* RGWLibFS::unlink */ | |
448 | ||
449 | int RGWLibFS::rename(RGWFileHandle* src_fh, RGWFileHandle* dst_fh, | |
450 | const char *_src_name, const char *_dst_name) | |
451 | ||
452 | { | |
453 | /* XXX initial implementation: try-copy, and delete if copy | |
454 | * succeeds */ | |
455 | int rc = -EINVAL; | |
9f95a23c | 456 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
7c673cae FG |
457 | |
458 | real_time t; | |
459 | ||
460 | std::string src_name{_src_name}; | |
461 | std::string dst_name{_dst_name}; | |
462 | ||
463 | /* atomicity */ | |
464 | LookupFHResult fhr = lookup_fh(src_fh, _src_name, RGWFileHandle::FLAG_LOCK); | |
465 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
466 | ||
467 | /* should not happen */ | |
468 | if (! rgw_fh) { | |
469 | ldout(get_context(), 0) << __func__ | |
470 | << " BUG no such src renaming path=" | |
471 | << src_name | |
472 | << dendl; | |
473 | goto out; | |
474 | } | |
475 | ||
476 | /* forbid renaming of directories (unreasonable at scale) */ | |
477 | if (rgw_fh->is_dir()) { | |
478 | ldout(get_context(), 12) << __func__ | |
479 | << " rejecting attempt to rename directory path=" | |
480 | << rgw_fh->full_object_name() | |
481 | << dendl; | |
482 | rc = -EPERM; | |
483 | goto unlock; | |
484 | } | |
485 | ||
486 | /* forbid renaming open files (violates intent, for now) */ | |
487 | if (rgw_fh->is_open()) { | |
488 | ldout(get_context(), 12) << __func__ | |
489 | << " rejecting attempt to rename open file path=" | |
490 | << rgw_fh->full_object_name() | |
491 | << dendl; | |
492 | rc = -EPERM; | |
493 | goto unlock; | |
494 | } | |
495 | ||
496 | t = real_clock::now(); | |
497 | ||
498 | for (int ix : {0, 1}) { | |
499 | switch (ix) { | |
500 | case 0: | |
501 | { | |
9f95a23c | 502 | RGWCopyObjRequest req(cct, &ruser, src_fh, dst_fh, src_name, |
7c673cae FG |
503 | dst_name); |
504 | int rc = rgwlib.get_fe()->execute_req(&req); | |
505 | if ((rc != 0) || | |
506 | ((rc = req.get_ret()) != 0)) { | |
507 | ldout(get_context(), 1) | |
508 | << __func__ | |
509 | << " rename step 0 failed src=" | |
510 | << src_fh->full_object_name() << " " << src_name | |
511 | << " dst=" << dst_fh->full_object_name() | |
512 | << " " << dst_name | |
513 | << "rc " << rc | |
514 | << dendl; | |
515 | goto unlock; | |
516 | } | |
517 | ldout(get_context(), 12) | |
518 | << __func__ | |
519 | << " rename step 0 success src=" | |
520 | << src_fh->full_object_name() << " " << src_name | |
521 | << " dst=" << dst_fh->full_object_name() | |
522 | << " " << dst_name | |
523 | << " rc " << rc | |
524 | << dendl; | |
525 | /* update dst change id */ | |
526 | dst_fh->set_times(t); | |
527 | } | |
528 | break; | |
529 | case 1: | |
530 | { | |
531 | rc = this->unlink(rgw_fh /* LOCKED */, _src_name, | |
532 | RGWFileHandle::FLAG_UNLINK_THIS); | |
533 | /* !LOCKED, -ref */ | |
534 | if (! rc) { | |
535 | ldout(get_context(), 12) | |
536 | << __func__ | |
537 | << " rename step 1 success src=" | |
538 | << src_fh->full_object_name() << " " << src_name | |
539 | << " dst=" << dst_fh->full_object_name() | |
540 | << " " << dst_name | |
541 | << " rc " << rc | |
542 | << dendl; | |
543 | /* update src change id */ | |
544 | src_fh->set_times(t); | |
545 | } else { | |
546 | ldout(get_context(), 1) | |
547 | << __func__ | |
548 | << " rename step 1 failed src=" | |
549 | << src_fh->full_object_name() << " " << src_name | |
550 | << " dst=" << dst_fh->full_object_name() | |
551 | << " " << dst_name | |
552 | << " rc " << rc | |
553 | << dendl; | |
554 | } | |
555 | } | |
556 | goto out; | |
557 | default: | |
11fdf7f2 | 558 | ceph_abort(); |
7c673cae FG |
559 | } /* switch */ |
560 | } /* ix */ | |
561 | unlock: | |
562 | rgw_fh->mtx.unlock(); /* !LOCKED */ | |
563 | unref(rgw_fh); /* -ref */ | |
564 | ||
565 | out: | |
566 | return rc; | |
567 | } /* RGWLibFS::rename */ | |
568 | ||
569 | MkObjResult RGWLibFS::mkdir(RGWFileHandle* parent, const char *name, | |
570 | struct stat *st, uint32_t mask, uint32_t flags) | |
571 | { | |
7c673cae | 572 | int rc, rc2; |
31f18b77 | 573 | rgw_file_handle *lfh; |
9f95a23c | 574 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
31f18b77 FG |
575 | |
576 | rc = rgw_lookup(get_fs(), parent->get_fh(), name, &lfh, | |
eafe8130 | 577 | nullptr /* st */, 0 /* mask */, |
31f18b77 FG |
578 | RGW_LOOKUP_FLAG_NONE); |
579 | if (! rc) { | |
580 | /* conflict! */ | |
581 | rc = rgw_fh_rele(get_fs(), lfh, RGW_FH_RELE_FLAG_NONE); | |
582 | return MkObjResult{nullptr, -EEXIST}; | |
583 | } | |
7c673cae | 584 | |
31f18b77 | 585 | MkObjResult mkr{nullptr, -EINVAL}; |
7c673cae FG |
586 | LookupFHResult fhr; |
587 | RGWFileHandle* rgw_fh = nullptr; | |
588 | buffer::list ux_key, ux_attrs; | |
589 | ||
590 | fhr = lookup_fh(parent, name, | |
591 | RGWFileHandle::FLAG_CREATE| | |
592 | RGWFileHandle::FLAG_DIRECTORY| | |
593 | RGWFileHandle::FLAG_LOCK); | |
594 | rgw_fh = get<0>(fhr); | |
595 | if (rgw_fh) { | |
596 | rgw_fh->create_stat(st, mask); | |
597 | rgw_fh->set_times(real_clock::now()); | |
598 | /* save attrs */ | |
599 | rgw_fh->encode_attrs(ux_key, ux_attrs); | |
600 | if (st) | |
494da23a | 601 | rgw_fh->stat(st, RGWFileHandle::FLAG_LOCKED); |
7c673cae FG |
602 | get<0>(mkr) = rgw_fh; |
603 | } else { | |
604 | get<1>(mkr) = -EIO; | |
605 | return mkr; | |
606 | } | |
607 | ||
608 | if (parent->is_root()) { | |
609 | /* bucket */ | |
610 | string bname{name}; | |
611 | /* enforce S3 name restrictions */ | |
612 | rc = valid_fs_bucket_name(bname); | |
613 | if (rc != 0) { | |
614 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
615 | fh_cache.remove(rgw_fh->fh.fh_hk.object, rgw_fh, | |
616 | RGWFileHandle::FHCache::FLAG_LOCK); | |
617 | rgw_fh->mtx.unlock(); | |
618 | unref(rgw_fh); | |
619 | get<0>(mkr) = nullptr; | |
620 | get<1>(mkr) = rc; | |
621 | return mkr; | |
622 | } | |
623 | ||
9f95a23c | 624 | RGWCreateBucketRequest req(get_context(), &ruser, bname); |
7c673cae FG |
625 | |
626 | /* save attrs */ | |
627 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
628 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
629 | ||
630 | rc = rgwlib.get_fe()->execute_req(&req); | |
631 | rc2 = req.get_ret(); | |
632 | } else { | |
633 | /* create an object representing the directory */ | |
634 | buffer::list bl; | |
31f18b77 | 635 | string dir_name = parent->format_child_name(name, true); |
7c673cae FG |
636 | |
637 | /* need valid S3 name (characters, length <= 1024, etc) */ | |
638 | rc = valid_fs_object_name(dir_name); | |
639 | if (rc != 0) { | |
640 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
641 | fh_cache.remove(rgw_fh->fh.fh_hk.object, rgw_fh, | |
642 | RGWFileHandle::FHCache::FLAG_LOCK); | |
643 | rgw_fh->mtx.unlock(); | |
644 | unref(rgw_fh); | |
645 | get<0>(mkr) = nullptr; | |
646 | get<1>(mkr) = rc; | |
647 | return mkr; | |
648 | } | |
649 | ||
9f95a23c | 650 | RGWPutObjRequest req(get_context(), &ruser, parent->bucket_name(), |
7c673cae FG |
651 | dir_name, bl); |
652 | ||
653 | /* save attrs */ | |
654 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
655 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
656 | ||
657 | rc = rgwlib.get_fe()->execute_req(&req); | |
658 | rc2 = req.get_ret(); | |
659 | } | |
660 | ||
661 | if (! ((rc == 0) && | |
662 | (rc2 == 0))) { | |
663 | /* op failed */ | |
664 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
665 | rgw_fh->mtx.unlock(); /* !LOCKED */ | |
666 | unref(rgw_fh); | |
667 | get<0>(mkr) = nullptr; | |
668 | /* fixup rc */ | |
669 | if (!rc) | |
670 | rc = rc2; | |
671 | } else { | |
672 | real_time t = real_clock::now(); | |
673 | parent->set_mtime(real_clock::to_timespec(t)); | |
674 | parent->set_ctime(real_clock::to_timespec(t)); | |
675 | rgw_fh->mtx.unlock(); /* !LOCKED */ | |
676 | } | |
677 | ||
678 | get<1>(mkr) = rc; | |
679 | ||
680 | return mkr; | |
681 | } /* RGWLibFS::mkdir */ | |
682 | ||
683 | MkObjResult RGWLibFS::create(RGWFileHandle* parent, const char *name, | |
684 | struct stat *st, uint32_t mask, uint32_t flags) | |
685 | { | |
686 | int rc, rc2; | |
687 | ||
688 | using std::get; | |
689 | ||
690 | rgw_file_handle *lfh; | |
691 | rc = rgw_lookup(get_fs(), parent->get_fh(), name, &lfh, | |
eafe8130 | 692 | nullptr /* st */, 0 /* mask */, |
7c673cae FG |
693 | RGW_LOOKUP_FLAG_NONE); |
694 | if (! rc) { | |
695 | /* conflict! */ | |
696 | rc = rgw_fh_rele(get_fs(), lfh, RGW_FH_RELE_FLAG_NONE); | |
697 | return MkObjResult{nullptr, -EEXIST}; | |
698 | } | |
699 | ||
700 | /* expand and check name */ | |
31f18b77 | 701 | std::string obj_name = parent->format_child_name(name, false); |
7c673cae FG |
702 | rc = valid_fs_object_name(obj_name); |
703 | if (rc != 0) { | |
704 | return MkObjResult{nullptr, rc}; | |
705 | } | |
706 | ||
707 | /* create it */ | |
708 | buffer::list bl; | |
9f95a23c TL |
709 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
710 | RGWPutObjRequest req(cct, &ruser, parent->bucket_name(), obj_name, bl); | |
7c673cae FG |
711 | MkObjResult mkr{nullptr, -EINVAL}; |
712 | ||
713 | rc = rgwlib.get_fe()->execute_req(&req); | |
714 | rc2 = req.get_ret(); | |
715 | ||
716 | if ((rc == 0) && | |
717 | (rc2 == 0)) { | |
718 | /* XXX atomicity */ | |
719 | LookupFHResult fhr = lookup_fh(parent, name, RGWFileHandle::FLAG_CREATE | | |
720 | RGWFileHandle::FLAG_LOCK); | |
721 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
722 | if (rgw_fh) { | |
723 | if (get<1>(fhr) & RGWFileHandle::FLAG_CREATE) { | |
724 | /* fill in stat data */ | |
725 | real_time t = real_clock::now(); | |
726 | rgw_fh->create_stat(st, mask); | |
727 | rgw_fh->set_times(t); | |
728 | ||
729 | parent->set_mtime(real_clock::to_timespec(t)); | |
730 | parent->set_ctime(real_clock::to_timespec(t)); | |
731 | } | |
732 | if (st) | |
494da23a | 733 | (void) rgw_fh->stat(st, RGWFileHandle::FLAG_LOCKED); |
81eedcae TL |
734 | |
735 | rgw_fh->set_etag(*(req.get_attr(RGW_ATTR_ETAG))); | |
736 | rgw_fh->set_acls(*(req.get_attr(RGW_ATTR_ACL))); | |
737 | ||
7c673cae FG |
738 | get<0>(mkr) = rgw_fh; |
739 | rgw_fh->mtx.unlock(); | |
740 | } else | |
741 | rc = -EIO; | |
742 | } | |
743 | ||
744 | get<1>(mkr) = rc; | |
11fdf7f2 TL |
745 | |
746 | /* case like : quota exceed will be considered as fail too*/ | |
747 | if(rc2 < 0) | |
748 | get<1>(mkr) = rc2; | |
7c673cae FG |
749 | |
750 | return mkr; | |
751 | } /* RGWLibFS::create */ | |
752 | ||
11fdf7f2 TL |
753 | MkObjResult RGWLibFS::symlink(RGWFileHandle* parent, const char *name, |
754 | const char* link_path, struct stat *st, uint32_t mask, uint32_t flags) | |
755 | { | |
756 | int rc, rc2; | |
757 | ||
758 | using std::get; | |
759 | ||
760 | rgw_file_handle *lfh; | |
eafe8130 TL |
761 | rc = rgw_lookup(get_fs(), parent->get_fh(), name, &lfh, |
762 | nullptr /* st */, 0 /* mask */, | |
11fdf7f2 TL |
763 | RGW_LOOKUP_FLAG_NONE); |
764 | if (! rc) { | |
765 | /* conflict! */ | |
766 | rc = rgw_fh_rele(get_fs(), lfh, RGW_FH_RELE_FLAG_NONE); | |
767 | return MkObjResult{nullptr, -EEXIST}; | |
768 | } | |
769 | ||
770 | MkObjResult mkr{nullptr, -EINVAL}; | |
771 | LookupFHResult fhr; | |
772 | RGWFileHandle* rgw_fh = nullptr; | |
773 | buffer::list ux_key, ux_attrs; | |
774 | ||
775 | fhr = lookup_fh(parent, name, | |
776 | RGWFileHandle::FLAG_CREATE| | |
777 | RGWFileHandle::FLAG_SYMBOLIC_LINK| | |
778 | RGWFileHandle::FLAG_LOCK); | |
779 | rgw_fh = get<0>(fhr); | |
780 | if (rgw_fh) { | |
781 | rgw_fh->create_stat(st, mask); | |
782 | rgw_fh->set_times(real_clock::now()); | |
783 | /* save attrs */ | |
784 | rgw_fh->encode_attrs(ux_key, ux_attrs); | |
785 | if (st) | |
786 | rgw_fh->stat(st); | |
787 | get<0>(mkr) = rgw_fh; | |
788 | } else { | |
789 | get<1>(mkr) = -EIO; | |
790 | return mkr; | |
791 | } | |
792 | ||
793 | /* need valid S3 name (characters, length <= 1024, etc) */ | |
794 | rc = valid_fs_object_name(name); | |
795 | if (rc != 0) { | |
796 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
797 | fh_cache.remove(rgw_fh->fh.fh_hk.object, rgw_fh, | |
798 | RGWFileHandle::FHCache::FLAG_LOCK); | |
799 | rgw_fh->mtx.unlock(); | |
800 | unref(rgw_fh); | |
801 | get<0>(mkr) = nullptr; | |
802 | get<1>(mkr) = rc; | |
803 | return mkr; | |
804 | } | |
805 | ||
806 | string obj_name = std::string(name); | |
807 | /* create an object representing the directory */ | |
808 | buffer::list bl; | |
809 | ||
810 | /* XXXX */ | |
811 | #if 0 | |
812 | bl.push_back( | |
813 | buffer::create_static(len, static_cast<char*>(buffer))); | |
814 | #else | |
815 | ||
816 | bl.push_back( | |
817 | buffer::copy(link_path, strlen(link_path))); | |
818 | #endif | |
819 | ||
9f95a23c TL |
820 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
821 | RGWPutObjRequest req(get_context(), &ruser, parent->bucket_name(), | |
11fdf7f2 TL |
822 | obj_name, bl); |
823 | ||
824 | /* save attrs */ | |
825 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
826 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
827 | ||
828 | rc = rgwlib.get_fe()->execute_req(&req); | |
829 | rc2 = req.get_ret(); | |
830 | if (! ((rc == 0) && | |
831 | (rc2 == 0))) { | |
832 | /* op failed */ | |
833 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
834 | rgw_fh->mtx.unlock(); /* !LOCKED */ | |
835 | unref(rgw_fh); | |
836 | get<0>(mkr) = nullptr; | |
837 | /* fixup rc */ | |
838 | if (!rc) | |
839 | rc = rc2; | |
840 | } else { | |
841 | real_time t = real_clock::now(); | |
842 | parent->set_mtime(real_clock::to_timespec(t)); | |
843 | parent->set_ctime(real_clock::to_timespec(t)); | |
844 | rgw_fh->mtx.unlock(); /* !LOCKED */ | |
845 | } | |
846 | ||
847 | get<1>(mkr) = rc; | |
848 | ||
849 | return mkr; | |
850 | } /* RGWLibFS::symlink */ | |
851 | ||
7c673cae FG |
852 | int RGWLibFS::getattr(RGWFileHandle* rgw_fh, struct stat* st) |
853 | { | |
854 | switch(rgw_fh->fh.fh_type) { | |
855 | case RGW_FS_TYPE_FILE: | |
856 | { | |
857 | if (rgw_fh->deleted()) | |
858 | return -ESTALE; | |
859 | } | |
860 | break; | |
861 | default: | |
862 | break; | |
863 | }; | |
494da23a | 864 | /* if rgw_fh is a directory, mtime will be advanced */ |
7c673cae FG |
865 | return rgw_fh->stat(st); |
866 | } /* RGWLibFS::getattr */ | |
867 | ||
868 | int RGWLibFS::setattr(RGWFileHandle* rgw_fh, struct stat* st, uint32_t mask, | |
869 | uint32_t flags) | |
870 | { | |
871 | int rc, rc2; | |
872 | buffer::list ux_key, ux_attrs; | |
81eedcae TL |
873 | buffer::list etag = rgw_fh->get_etag(); |
874 | buffer::list acls = rgw_fh->get_acls(); | |
7c673cae FG |
875 | |
876 | lock_guard guard(rgw_fh->mtx); | |
877 | ||
878 | switch(rgw_fh->fh.fh_type) { | |
879 | case RGW_FS_TYPE_FILE: | |
880 | { | |
881 | if (rgw_fh->deleted()) | |
882 | return -ESTALE; | |
883 | } | |
884 | break; | |
885 | default: | |
886 | break; | |
887 | }; | |
888 | ||
889 | string obj_name{rgw_fh->relative_object_name()}; | |
890 | ||
31f18b77 FG |
891 | if (rgw_fh->is_dir() && |
892 | (likely(! rgw_fh->is_bucket()))) { | |
7c673cae FG |
893 | obj_name += "/"; |
894 | } | |
895 | ||
9f95a23c TL |
896 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
897 | RGWSetAttrsRequest req(cct, &ruser, rgw_fh->bucket_name(), obj_name); | |
7c673cae FG |
898 | |
899 | rgw_fh->create_stat(st, mask); | |
900 | rgw_fh->encode_attrs(ux_key, ux_attrs); | |
901 | ||
902 | /* save attrs */ | |
903 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
904 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
81eedcae TL |
905 | req.emplace_attr(RGW_ATTR_ETAG, std::move(etag)); |
906 | req.emplace_attr(RGW_ATTR_ACL, std::move(acls)); | |
7c673cae FG |
907 | |
908 | rc = rgwlib.get_fe()->execute_req(&req); | |
909 | rc2 = req.get_ret(); | |
910 | ||
911 | if (rc == -ENOENT) { | |
912 | /* special case: materialize placeholder dir */ | |
913 | buffer::list bl; | |
9f95a23c | 914 | RGWPutObjRequest req(get_context(), &ruser, rgw_fh->bucket_name(), |
7c673cae FG |
915 | obj_name, bl); |
916 | ||
917 | rgw_fh->encode_attrs(ux_key, ux_attrs); /* because std::moved */ | |
918 | ||
919 | /* save attrs */ | |
920 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
921 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
922 | ||
923 | rc = rgwlib.get_fe()->execute_req(&req); | |
924 | rc2 = req.get_ret(); | |
925 | } | |
926 | ||
927 | if ((rc != 0) || (rc2 != 0)) { | |
928 | return -EIO; | |
929 | } | |
930 | ||
931 | rgw_fh->set_ctime(real_clock::to_timespec(real_clock::now())); | |
932 | ||
933 | return 0; | |
934 | } /* RGWLibFS::setattr */ | |
935 | ||
224ce89b | 936 | /* called under rgw_fh->mtx held */ |
3efd9988 | 937 | void RGWLibFS::update_fh(RGWFileHandle *rgw_fh) |
224ce89b WB |
938 | { |
939 | int rc, rc2; | |
940 | string obj_name{rgw_fh->relative_object_name()}; | |
941 | buffer::list ux_key, ux_attrs; | |
942 | ||
943 | if (rgw_fh->is_dir() && | |
944 | (likely(! rgw_fh->is_bucket()))) { | |
945 | obj_name += "/"; | |
946 | } | |
947 | ||
948 | lsubdout(get_context(), rgw, 17) | |
949 | << __func__ | |
3efd9988 | 950 | << " update old versioned fh : " << obj_name |
224ce89b WB |
951 | << dendl; |
952 | ||
9f95a23c TL |
953 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), user); |
954 | RGWSetAttrsRequest req(cct, &ruser, rgw_fh->bucket_name(), obj_name); | |
224ce89b WB |
955 | |
956 | rgw_fh->encode_attrs(ux_key, ux_attrs); | |
957 | ||
224ce89b | 958 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); |
3efd9988 | 959 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); |
224ce89b WB |
960 | |
961 | rc = rgwlib.get_fe()->execute_req(&req); | |
962 | rc2 = req.get_ret(); | |
963 | ||
964 | if ((rc != 0) || (rc2 != 0)) { | |
965 | lsubdout(get_context(), rgw, 17) | |
966 | << __func__ | |
3efd9988 | 967 | << " update fh failed : " << obj_name |
224ce89b WB |
968 | << dendl; |
969 | } | |
3efd9988 | 970 | } /* RGWLibFS::update_fh */ |
224ce89b | 971 | |
7c673cae FG |
972 | void RGWLibFS::close() |
973 | { | |
974 | state.flags |= FLAG_CLOSED; | |
975 | ||
976 | class ObjUnref | |
977 | { | |
978 | RGWLibFS* fs; | |
979 | public: | |
11fdf7f2 | 980 | explicit ObjUnref(RGWLibFS* _fs) : fs(_fs) {} |
7c673cae FG |
981 | void operator()(RGWFileHandle* fh) const { |
982 | lsubdout(fs->get_context(), rgw, 5) | |
983 | << __func__ | |
984 | << fh->name | |
985 | << " before ObjUnref refs=" << fh->get_refcnt() | |
986 | << dendl; | |
31f18b77 | 987 | fs->unref(fh); |
7c673cae FG |
988 | } |
989 | }; | |
990 | ||
991 | /* force cache drain, forces objects to evict */ | |
992 | fh_cache.drain(ObjUnref(this), | |
993 | RGWFileHandle::FHCache::FLAG_LOCK); | |
994 | rgwlib.get_fe()->get_process()->unregister_fs(this); | |
995 | rele(); | |
996 | } /* RGWLibFS::close */ | |
997 | ||
494da23a TL |
998 | inline std::ostream& operator<<(std::ostream &os, fh_key const &fhk) { |
999 | os << "<fh_key: bucket="; | |
1000 | os << fhk.fh_hk.bucket; | |
1001 | os << "; object="; | |
1002 | os << fhk.fh_hk.object; | |
1003 | os << ">"; | |
1004 | return os; | |
1005 | } | |
1006 | ||
7c673cae FG |
1007 | inline std::ostream& operator<<(std::ostream &os, struct timespec const &ts) { |
1008 | os << "<timespec: tv_sec="; | |
1009 | os << ts.tv_sec; | |
1010 | os << "; tv_nsec="; | |
1011 | os << ts.tv_nsec; | |
1012 | os << ">"; | |
1013 | return os; | |
1014 | } | |
1015 | ||
1016 | std::ostream& operator<<(std::ostream &os, RGWLibFS::event const &ev) { | |
1017 | os << "<event:"; | |
1018 | switch (ev.t) { | |
1019 | case RGWLibFS::event::type::READDIR: | |
1020 | os << "type=READDIR;"; | |
1021 | break; | |
1022 | default: | |
1023 | os << "type=UNKNOWN;"; | |
1024 | break; | |
1025 | }; | |
1026 | os << "fid=" << ev.fhk.fh_hk.bucket << ":" << ev.fhk.fh_hk.object | |
1027 | << ";ts=" << ev.ts << ">"; | |
1028 | return os; | |
1029 | } | |
1030 | ||
1031 | void RGWLibFS::gc() | |
1032 | { | |
1033 | using std::get; | |
1034 | using directory = RGWFileHandle::directory; | |
1035 | ||
1036 | /* dirent invalidate timeout--basically, the upper-bound on | |
1037 | * inconsistency with the S3 namespace */ | |
1038 | auto expire_s | |
1039 | = get_context()->_conf->rgw_nfs_namespace_expire_secs; | |
1040 | ||
1041 | /* max events to gc in one cycle */ | |
c07f9fc5 | 1042 | uint32_t max_ev = get_context()->_conf->rgw_nfs_max_gc; |
7c673cae FG |
1043 | |
1044 | struct timespec now, expire_ts; | |
1045 | event_vector ve; | |
1046 | bool stop = false; | |
1047 | std::deque<event> &events = state.events; | |
1048 | ||
1049 | do { | |
1050 | (void) clock_gettime(CLOCK_MONOTONIC_COARSE, &now); | |
1051 | lsubdout(get_context(), rgw, 15) | |
1052 | << "GC: top of expire loop" | |
1053 | << " now=" << now | |
1054 | << " expire_s=" << expire_s | |
1055 | << dendl; | |
1056 | { | |
1057 | lock_guard guard(state.mtx); /* LOCKED */ | |
494da23a TL |
1058 | lsubdout(get_context(), rgw, 15) |
1059 | << "GC: processing" | |
1060 | << " count=" << events.size() | |
1061 | << " events" | |
1062 | << dendl; | |
1063 | /* just return if no events */ | |
7c673cae FG |
1064 | if (events.empty()) { |
1065 | return; | |
1066 | } | |
1067 | uint32_t _max_ev = | |
1068 | (events.size() < 500) ? max_ev : (events.size() / 4); | |
1069 | for (uint32_t ix = 0; (ix < _max_ev) && (events.size() > 0); ++ix) { | |
1070 | event& ev = events.front(); | |
1071 | expire_ts = ev.ts; | |
1072 | expire_ts.tv_sec += expire_s; | |
1073 | if (expire_ts > now) { | |
1074 | stop = true; | |
1075 | break; | |
1076 | } | |
1077 | ve.push_back(ev); | |
1078 | events.pop_front(); | |
1079 | } | |
1080 | } /* anon */ | |
1081 | /* !LOCKED */ | |
1082 | for (auto& ev : ve) { | |
1083 | lsubdout(get_context(), rgw, 15) | |
1084 | << "try-expire ev: " << ev << dendl; | |
1085 | if (likely(ev.t == event::type::READDIR)) { | |
1086 | RGWFileHandle* rgw_fh = lookup_handle(ev.fhk.fh_hk); | |
1087 | lsubdout(get_context(), rgw, 15) | |
1088 | << "ev rgw_fh: " << rgw_fh << dendl; | |
1089 | if (rgw_fh) { | |
1090 | RGWFileHandle::directory* d; | |
1091 | if (unlikely(! rgw_fh->is_dir())) { | |
1092 | lsubdout(get_context(), rgw, 0) | |
1093 | << __func__ | |
1094 | << " BUG non-directory found with READDIR event " | |
1095 | << "(" << rgw_fh->bucket_name() << "," | |
1096 | << rgw_fh->object_name() << ")" | |
1097 | << dendl; | |
1098 | goto rele; | |
1099 | } | |
1100 | /* maybe clear state */ | |
1101 | d = get<directory>(&rgw_fh->variant_type); | |
1102 | if (d) { | |
1103 | struct timespec ev_ts = ev.ts; | |
1104 | lock_guard guard(rgw_fh->mtx); | |
1105 | struct timespec d_last_readdir = d->last_readdir; | |
1106 | if (unlikely(ev_ts < d_last_readdir)) { | |
1107 | /* readdir cycle in progress, don't invalidate */ | |
1108 | lsubdout(get_context(), rgw, 15) | |
1109 | << "GC: delay expiration for " | |
1110 | << rgw_fh->object_name() | |
1111 | << " ev.ts=" << ev_ts | |
1112 | << " last_readdir=" << d_last_readdir | |
1113 | << dendl; | |
1114 | continue; | |
1115 | } else { | |
1116 | lsubdout(get_context(), rgw, 15) | |
1117 | << "GC: expiring " | |
1118 | << rgw_fh->object_name() | |
1119 | << dendl; | |
1120 | rgw_fh->clear_state(); | |
1121 | rgw_fh->invalidate(); | |
1122 | } | |
1123 | } | |
1124 | rele: | |
1125 | unref(rgw_fh); | |
1126 | } /* rgw_fh */ | |
1127 | } /* event::type::READDIR */ | |
1128 | } /* ev */ | |
1129 | ve.clear(); | |
1130 | } while (! (stop || shutdown)); | |
1131 | } /* RGWLibFS::gc */ | |
1132 | ||
1133 | std::ostream& operator<<(std::ostream &os, | |
1134 | RGWFileHandle const &rgw_fh) | |
1135 | { | |
1136 | const auto& fhk = rgw_fh.get_key(); | |
1137 | const auto& fh = const_cast<RGWFileHandle&>(rgw_fh).get_fh(); | |
1138 | os << "<RGWFileHandle:"; | |
1139 | os << "addr=" << &rgw_fh << ";"; | |
1140 | switch (fh->fh_type) { | |
1141 | case RGW_FS_TYPE_DIRECTORY: | |
1142 | os << "type=DIRECTORY;"; | |
1143 | break; | |
1144 | case RGW_FS_TYPE_FILE: | |
1145 | os << "type=FILE;"; | |
1146 | break; | |
1147 | default: | |
1148 | os << "type=UNKNOWN;"; | |
1149 | break; | |
1150 | }; | |
1151 | os << "fid=" << fhk.fh_hk.bucket << ":" << fhk.fh_hk.object << ";"; | |
1152 | os << "name=" << rgw_fh.object_name() << ";"; | |
1153 | os << "refcnt=" << rgw_fh.get_refcnt() << ";"; | |
1154 | os << ">"; | |
1155 | return os; | |
1156 | } | |
1157 | ||
1158 | RGWFileHandle::~RGWFileHandle() { | |
28e407b8 AA |
1159 | /* !recycle case, handle may STILL be in handle table, BUT |
1160 | * the partition lock is not held in this path */ | |
1161 | if (fh_hook.is_linked()) { | |
1162 | fs->fh_cache.remove(fh.fh_hk.object, this, FHCache::FLAG_LOCK); | |
1163 | } | |
7c673cae | 1164 | /* cond-unref parent */ |
3efd9988 | 1165 | if (parent && (! parent->is_mount())) { |
7c673cae FG |
1166 | /* safe because if parent->unref causes its deletion, |
1167 | * there are a) by refcnt, no other objects/paths pointing | |
1168 | * to it and b) by the semantics of valid iteration of | |
1169 | * fh_lru (observed, e.g., by cohort_lru<T,...>::drain()) | |
1170 | * no unsafe iterators reaching it either--n.b., this constraint | |
1171 | * is binding oncode which may in future attempt to e.g., | |
1172 | * cause the eviction of objects in LRU order */ | |
31f18b77 | 1173 | (void) get_fs()->unref(parent); |
7c673cae FG |
1174 | } |
1175 | } | |
1176 | ||
494da23a TL |
1177 | fh_key RGWFileHandle::make_fhk(const std::string& name) |
1178 | { | |
1179 | std::string tenant = get_fs()->get_user()->user_id.to_str(); | |
1180 | if (depth == 0) { | |
1181 | /* S3 bucket -- assert mount-at-bucket case reaches here */ | |
1182 | return fh_key(name, name, tenant); | |
1183 | } else { | |
1184 | std::string key_name = make_key_name(name.c_str()); | |
1185 | return fh_key(fhk.fh_hk.bucket, key_name.c_str(), tenant); | |
1186 | } | |
1187 | } | |
1188 | ||
7c673cae FG |
1189 | void RGWFileHandle::encode_attrs(ceph::buffer::list& ux_key1, |
1190 | ceph::buffer::list& ux_attrs1) | |
1191 | { | |
11fdf7f2 | 1192 | using ceph::encode; |
7c673cae | 1193 | fh_key fhk(this->fh.fh_hk); |
11fdf7f2 TL |
1194 | encode(fhk, ux_key1); |
1195 | encode(*this, ux_attrs1); | |
7c673cae FG |
1196 | } /* RGWFileHandle::encode_attrs */ |
1197 | ||
3efd9988 FG |
1198 | DecodeAttrsResult RGWFileHandle::decode_attrs(const ceph::buffer::list* ux_key1, |
1199 | const ceph::buffer::list* ux_attrs1) | |
7c673cae | 1200 | { |
11fdf7f2 | 1201 | using ceph::decode; |
3efd9988 | 1202 | DecodeAttrsResult dar { false, false }; |
7c673cae | 1203 | fh_key fhk; |
11fdf7f2 TL |
1204 | auto bl_iter_key1 = ux_key1->cbegin(); |
1205 | decode(fhk, bl_iter_key1); | |
494da23a | 1206 | get<0>(dar) = true; |
7c673cae | 1207 | |
11fdf7f2 TL |
1208 | auto bl_iter_unix1 = ux_attrs1->cbegin(); |
1209 | decode(*this, bl_iter_unix1); | |
3efd9988 FG |
1210 | if (this->state.version < 2) { |
1211 | get<1>(dar) = true; | |
1212 | } | |
224ce89b | 1213 | |
3efd9988 | 1214 | return dar; |
7c673cae FG |
1215 | } /* RGWFileHandle::decode_attrs */ |
1216 | ||
f91f0fd5 | 1217 | bool RGWFileHandle::reclaim(const cohort::lru::ObjectFactory* newobj_fac) { |
7c673cae FG |
1218 | lsubdout(fs->get_context(), rgw, 17) |
1219 | << __func__ << " " << *this | |
1220 | << dendl; | |
f91f0fd5 TL |
1221 | auto factory = dynamic_cast<const RGWFileHandle::Factory*>(newobj_fac); |
1222 | if (factory == nullptr) { | |
1223 | return false; | |
1224 | } | |
1225 | /* make sure the reclaiming object is the same partiton with newobject factory, | |
1226 | * then we can recycle the object, and replace with newobject */ | |
1227 | if (!fs->fh_cache.is_same_partition(factory->fhk.fh_hk.object, fh.fh_hk.object)) { | |
1228 | return false; | |
1229 | } | |
b32b8144 | 1230 | /* in the non-delete case, handle may still be in handle table */ |
7c673cae | 1231 | if (fh_hook.is_linked()) { |
b32b8144 FG |
1232 | /* in this case, we are being called from a context which holds |
1233 | * the partition lock */ | |
1234 | fs->fh_cache.remove(fh.fh_hk.object, this, FHCache::FLAG_NONE); | |
7c673cae FG |
1235 | } |
1236 | return true; | |
1237 | } /* RGWFileHandle::reclaim */ | |
1238 | ||
1239 | bool RGWFileHandle::has_children() const | |
1240 | { | |
9f95a23c | 1241 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), *fs->get_user()); |
7c673cae FG |
1242 | if (unlikely(! is_dir())) |
1243 | return false; | |
1244 | ||
9f95a23c | 1245 | RGWRMdirCheck req(fs->get_context(), &ruser, this); |
7c673cae FG |
1246 | int rc = rgwlib.get_fe()->execute_req(&req); |
1247 | if (! rc) { | |
1248 | return req.valid && req.has_children; | |
1249 | } | |
1250 | ||
1251 | return false; | |
1252 | } | |
1253 | ||
3efd9988 FG |
1254 | std::ostream& operator<<(std::ostream &os, |
1255 | RGWFileHandle::readdir_offset const &offset) | |
1256 | { | |
1257 | using boost::get; | |
1258 | if (unlikely(!! get<uint64_t*>(&offset))) { | |
1259 | uint64_t* ioff = get<uint64_t*>(offset); | |
1260 | os << *ioff; | |
1261 | } | |
1262 | else | |
1263 | os << get<const char*>(offset); | |
1264 | return os; | |
1265 | } | |
1266 | ||
1267 | int RGWFileHandle::readdir(rgw_readdir_cb rcb, void *cb_arg, | |
1268 | readdir_offset offset, | |
7c673cae FG |
1269 | bool *eof, uint32_t flags) |
1270 | { | |
1271 | using event = RGWLibFS::event; | |
3efd9988 | 1272 | using boost::get; |
7c673cae FG |
1273 | int rc = 0; |
1274 | struct timespec now; | |
1275 | CephContext* cct = fs->get_context(); | |
9f95a23c | 1276 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), *fs->get_user()); |
7c673cae | 1277 | |
494da23a TL |
1278 | lsubdout(cct, rgw, 10) |
1279 | << __func__ << " readdir called on " | |
1280 | << object_name() | |
1281 | << dendl; | |
1282 | ||
7c673cae FG |
1283 | directory* d = get<directory>(&variant_type); |
1284 | if (d) { | |
1285 | (void) clock_gettime(CLOCK_MONOTONIC_COARSE, &now); /* !LOCKED */ | |
1286 | lock_guard guard(mtx); | |
1287 | d->last_readdir = now; | |
1288 | } | |
1289 | ||
3efd9988 | 1290 | bool initial_off; |
494da23a TL |
1291 | char* mk{nullptr}; |
1292 | ||
3efd9988 | 1293 | if (likely(!! get<const char*>(&offset))) { |
494da23a TL |
1294 | mk = const_cast<char*>(get<const char*>(offset)); |
1295 | initial_off = !mk; | |
3efd9988 FG |
1296 | } else { |
1297 | initial_off = (*get<uint64_t*>(offset) == 0); | |
1298 | } | |
1299 | ||
7c673cae | 1300 | if (is_root()) { |
9f95a23c | 1301 | RGWListBucketsRequest req(cct, &ruser, this, rcb, cb_arg, |
7c673cae FG |
1302 | offset); |
1303 | rc = rgwlib.get_fe()->execute_req(&req); | |
1304 | if (! rc) { | |
1305 | (void) clock_gettime(CLOCK_MONOTONIC_COARSE, &now); /* !LOCKED */ | |
1306 | lock_guard guard(mtx); | |
1307 | state.atime = now; | |
3efd9988 | 1308 | if (initial_off) |
7c673cae FG |
1309 | set_nlink(2); |
1310 | inc_nlink(req.d_count); | |
1311 | *eof = req.eof(); | |
7c673cae FG |
1312 | } |
1313 | } else { | |
9f95a23c | 1314 | RGWReaddirRequest req(cct, &ruser, this, rcb, cb_arg, offset); |
7c673cae FG |
1315 | rc = rgwlib.get_fe()->execute_req(&req); |
1316 | if (! rc) { | |
1317 | (void) clock_gettime(CLOCK_MONOTONIC_COARSE, &now); /* !LOCKED */ | |
1318 | lock_guard guard(mtx); | |
1319 | state.atime = now; | |
3efd9988 | 1320 | if (initial_off) |
7c673cae FG |
1321 | set_nlink(2); |
1322 | inc_nlink(req.d_count); | |
1323 | *eof = req.eof(); | |
7c673cae FG |
1324 | } |
1325 | } | |
1326 | ||
494da23a TL |
1327 | event ev(event::type::READDIR, get_key(), state.atime); |
1328 | lock_guard sguard(fs->state.mtx); | |
1329 | fs->state.push_event(ev); | |
1330 | ||
7c673cae FG |
1331 | lsubdout(fs->get_context(), rgw, 15) |
1332 | << __func__ | |
1333 | << " final link count=" << state.nlink | |
1334 | << dendl; | |
1335 | ||
1336 | return rc; | |
1337 | } /* RGWFileHandle::readdir */ | |
1338 | ||
1339 | int RGWFileHandle::write(uint64_t off, size_t len, size_t *bytes_written, | |
1340 | void *buffer) | |
1341 | { | |
1342 | using std::get; | |
1343 | using WriteCompletion = RGWLibFS::WriteCompletion; | |
9f95a23c | 1344 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), *fs->get_user()); |
7c673cae FG |
1345 | |
1346 | lock_guard guard(mtx); | |
1347 | ||
1348 | int rc = 0; | |
1349 | ||
1350 | file* f = get<file>(&variant_type); | |
1351 | if (! f) | |
1352 | return -EISDIR; | |
1353 | ||
1354 | if (deleted()) { | |
1355 | lsubdout(fs->get_context(), rgw, 5) | |
1356 | << __func__ | |
1357 | << " write attempted on deleted object " | |
1358 | << this->object_name() | |
1359 | << dendl; | |
1360 | /* zap write transaction, if any */ | |
1361 | if (f->write_req) { | |
1362 | delete f->write_req; | |
1363 | f->write_req = nullptr; | |
1364 | } | |
1365 | return -ESTALE; | |
1366 | } | |
1367 | ||
1368 | if (! f->write_req) { | |
1369 | /* guard--we do not support (e.g., COW-backed) partial writes */ | |
1370 | if (off != 0) { | |
1371 | lsubdout(fs->get_context(), rgw, 5) | |
1372 | << __func__ | |
1373 | << " " << object_name() | |
1374 | << " non-0 initial write position " << off | |
11fdf7f2 | 1375 | << " (mounting with -o sync required)" |
7c673cae FG |
1376 | << dendl; |
1377 | return -EIO; | |
1378 | } | |
1379 | ||
1380 | /* start */ | |
1381 | std::string object_name = relative_object_name(); | |
1382 | f->write_req = | |
9f95a23c | 1383 | new RGWWriteRequest(fs->get_context(), &ruser, this, |
7c673cae FG |
1384 | bucket_name(), object_name); |
1385 | rc = rgwlib.get_fe()->start_req(f->write_req); | |
1386 | if (rc < 0) { | |
1387 | lsubdout(fs->get_context(), rgw, 5) | |
1388 | << __func__ | |
1389 | << this->object_name() | |
1390 | << " write start failed " << off | |
1391 | << " (" << rc << ")" | |
1392 | << dendl; | |
1393 | /* zap failed write transaction */ | |
1394 | delete f->write_req; | |
1395 | f->write_req = nullptr; | |
1396 | return -EIO; | |
1397 | } else { | |
1398 | if (stateless_open()) { | |
1399 | /* start write timer */ | |
1400 | f->write_req->timer_id = | |
1401 | RGWLibFS::write_timer.add_event( | |
1402 | std::chrono::seconds(RGWLibFS::write_completion_interval_s), | |
1403 | WriteCompletion(*this)); | |
1404 | } | |
1405 | } | |
1406 | } | |
1407 | ||
3efd9988 FG |
1408 | int overlap = 0; |
1409 | if ((static_cast<off_t>(off) < f->write_req->real_ofs) && | |
1410 | ((f->write_req->real_ofs - off) <= len)) { | |
1411 | overlap = f->write_req->real_ofs - off; | |
1412 | off = f->write_req->real_ofs; | |
1413 | buffer = static_cast<char*>(buffer) + overlap; | |
1414 | len -= overlap; | |
1415 | } | |
1416 | ||
7c673cae FG |
1417 | buffer::list bl; |
1418 | /* XXXX */ | |
1419 | #if 0 | |
1420 | bl.push_back( | |
1421 | buffer::create_static(len, static_cast<char*>(buffer))); | |
1422 | #else | |
1423 | bl.push_back( | |
1424 | buffer::copy(static_cast<char*>(buffer), len)); | |
1425 | #endif | |
1426 | ||
1427 | f->write_req->put_data(off, bl); | |
1428 | rc = f->write_req->exec_continue(); | |
1429 | ||
1430 | if (rc == 0) { | |
1431 | size_t min_size = off + len; | |
1432 | if (min_size > get_size()) | |
1433 | set_size(min_size); | |
1434 | if (stateless_open()) { | |
1435 | /* bump write timer */ | |
1436 | RGWLibFS::write_timer.adjust_event( | |
1437 | f->write_req->timer_id, std::chrono::seconds(10)); | |
1438 | } | |
1439 | } else { | |
1440 | /* continuation failed (e.g., non-contiguous write position) */ | |
1441 | lsubdout(fs->get_context(), rgw, 5) | |
1442 | << __func__ | |
1443 | << object_name() | |
1444 | << " failed write at position " << off | |
1445 | << " (fails write transaction) " | |
1446 | << dendl; | |
1447 | /* zap failed write transaction */ | |
1448 | delete f->write_req; | |
1449 | f->write_req = nullptr; | |
1450 | rc = -EIO; | |
1451 | } | |
1452 | ||
3efd9988 | 1453 | *bytes_written = (rc == 0) ? (len + overlap) : 0; |
7c673cae FG |
1454 | return rc; |
1455 | } /* RGWFileHandle::write */ | |
1456 | ||
1457 | int RGWFileHandle::write_finish(uint32_t flags) | |
1458 | { | |
1459 | unique_lock guard{mtx, std::defer_lock}; | |
1460 | int rc = 0; | |
1461 | ||
1462 | if (! (flags & FLAG_LOCKED)) { | |
1463 | guard.lock(); | |
1464 | } | |
1465 | ||
1466 | file* f = get<file>(&variant_type); | |
1467 | if (f && (f->write_req)) { | |
1468 | lsubdout(fs->get_context(), rgw, 10) | |
1469 | << __func__ | |
1470 | << " finishing write trans on " << object_name() | |
1471 | << dendl; | |
1472 | rc = rgwlib.get_fe()->finish_req(f->write_req); | |
1473 | if (! rc) { | |
1474 | rc = f->write_req->get_ret(); | |
1475 | } | |
1476 | delete f->write_req; | |
1477 | f->write_req = nullptr; | |
1478 | } | |
1479 | ||
1480 | return rc; | |
1481 | } /* RGWFileHandle::write_finish */ | |
1482 | ||
1483 | int RGWFileHandle::close() | |
1484 | { | |
1485 | lock_guard guard(mtx); | |
1486 | ||
1487 | int rc = write_finish(FLAG_LOCKED); | |
1488 | ||
1489 | flags &= ~FLAG_OPEN; | |
31f18b77 FG |
1490 | flags &= ~FLAG_STATELESS_OPEN; |
1491 | ||
7c673cae FG |
1492 | return rc; |
1493 | } /* RGWFileHandle::close */ | |
1494 | ||
1495 | RGWFileHandle::file::~file() | |
1496 | { | |
1497 | delete write_req; | |
1498 | } | |
1499 | ||
1500 | void RGWFileHandle::clear_state() | |
1501 | { | |
1502 | directory* d = get<directory>(&variant_type); | |
1503 | if (d) { | |
1504 | state.nlink = 2; | |
1505 | d->last_marker = rgw_obj_key{}; | |
1506 | } | |
1507 | } | |
1508 | ||
494da23a TL |
1509 | void RGWFileHandle::advance_mtime(uint32_t flags) { |
1510 | /* intended for use on directories, fast-forward mtime so as to | |
1511 | * ensure a new, higher value for the change attribute */ | |
1512 | unique_lock uniq(mtx, std::defer_lock); | |
1513 | if (likely(! (flags & RGWFileHandle::FLAG_LOCKED))) { | |
1514 | uniq.lock(); | |
1515 | } | |
1516 | ||
1517 | /* advance mtime only if stored mtime is older than the | |
1518 | * configured namespace expiration */ | |
1519 | auto now = real_clock::now(); | |
1520 | auto cmptime = state.mtime; | |
1521 | cmptime.tv_sec += | |
1522 | fs->get_context()->_conf->rgw_nfs_namespace_expire_secs; | |
1523 | if (cmptime < real_clock::to_timespec(now)) { | |
1524 | /* sets ctime as well as mtime, to avoid masking updates should | |
1525 | * ctime inexplicably hold a higher value */ | |
1526 | set_times(now); | |
1527 | } | |
1528 | } | |
1529 | ||
7c673cae FG |
1530 | void RGWFileHandle::invalidate() { |
1531 | RGWLibFS *fs = get_fs(); | |
1532 | if (fs->invalidate_cb) { | |
1533 | fs->invalidate_cb(fs->invalidate_arg, get_key().fh_hk); | |
1534 | } | |
1535 | } | |
1536 | ||
1537 | int RGWWriteRequest::exec_start() { | |
1538 | struct req_state* s = get_state(); | |
1539 | ||
224ce89b | 1540 | auto compression_type = |
9f95a23c | 1541 | get_store()->svc()->zone->get_zone_params().get_compression_type( |
224ce89b WB |
1542 | s->bucket_info.placement_rule); |
1543 | ||
7c673cae | 1544 | /* not obviously supportable */ |
11fdf7f2 TL |
1545 | ceph_assert(! dlo_manifest); |
1546 | ceph_assert(! slo_info); | |
7c673cae FG |
1547 | |
1548 | perfcounter->inc(l_rgw_put); | |
1549 | op_ret = -EINVAL; | |
11fdf7f2 | 1550 | rgw_obj obj{s->bucket, s->object}; |
7c673cae FG |
1551 | |
1552 | if (s->object.empty()) { | |
1553 | ldout(s->cct, 0) << __func__ << " called on empty object" << dendl; | |
1554 | goto done; | |
1555 | } | |
1556 | ||
1557 | op_ret = get_params(); | |
1558 | if (op_ret < 0) | |
1559 | goto done; | |
1560 | ||
1561 | op_ret = get_system_versioning_params(s, &olh_epoch, &version_id); | |
1562 | if (op_ret < 0) { | |
1563 | goto done; | |
1564 | } | |
1565 | ||
1566 | /* user-supplied MD5 check skipped (not supplied) */ | |
1567 | /* early quota check skipped--we don't have size yet */ | |
1568 | /* skipping user-supplied etag--we might have one in future, but | |
1569 | * like data it and other attrs would arrive after open */ | |
11fdf7f2 TL |
1570 | |
1571 | aio.emplace(s->cct->_conf->rgw_put_obj_min_window_size); | |
1572 | ||
1573 | if (s->bucket_info.versioning_enabled()) { | |
1574 | if (!version_id.empty()) { | |
1575 | obj.key.set_instance(version_id); | |
1576 | } else { | |
9f95a23c | 1577 | get_store()->getRados()->gen_rand_obj_instance_name(&obj); |
11fdf7f2 TL |
1578 | version_id = obj.key.instance; |
1579 | } | |
1580 | } | |
1581 | processor.emplace(&*aio, get_store(), s->bucket_info, | |
1582 | &s->dest_placement, | |
1583 | s->bucket_owner.get_id(), | |
1584 | *static_cast<RGWObjectCtx *>(s->obj_ctx), | |
9f95a23c | 1585 | obj, olh_epoch, s->req_id, this, s->yield); |
11fdf7f2 | 1586 | |
9f95a23c | 1587 | op_ret = processor->prepare(s->yield); |
224ce89b WB |
1588 | if (op_ret < 0) { |
1589 | ldout(s->cct, 20) << "processor->prepare() returned ret=" << op_ret | |
1590 | << dendl; | |
1591 | goto done; | |
1592 | } | |
11fdf7f2 | 1593 | filter = &*processor; |
224ce89b WB |
1594 | if (compression_type != "none") { |
1595 | plugin = Compressor::create(s->cct, compression_type); | |
11fdf7f2 TL |
1596 | if (! plugin) { |
1597 | ldout(s->cct, 1) << "Cannot load plugin for rgw_compression_type " | |
1598 | << compression_type << dendl; | |
1599 | } else { | |
1600 | compressor.emplace(s->cct, plugin, filter); | |
1601 | filter = &*compressor; | |
1602 | } | |
224ce89b | 1603 | } |
7c673cae FG |
1604 | |
1605 | done: | |
1606 | return op_ret; | |
1607 | } /* exec_start */ | |
1608 | ||
1609 | int RGWWriteRequest::exec_continue() | |
1610 | { | |
1611 | struct req_state* s = get_state(); | |
1612 | op_ret = 0; | |
1613 | ||
1614 | /* check guards (e.g., contig write) */ | |
11fdf7f2 TL |
1615 | if (eio) { |
1616 | ldout(s->cct, 5) | |
1617 | << " chunks arrived in wrong order" | |
1618 | << " (mounting with -o sync required)" | |
1619 | << dendl; | |
1620 | return -EIO; | |
1621 | } | |
1622 | ||
9f95a23c | 1623 | op_ret = get_store()->getRados()->check_quota(s->bucket_owner.get_id(), s->bucket, |
11fdf7f2 TL |
1624 | user_quota, bucket_quota, real_ofs, true); |
1625 | /* max_size exceed */ | |
1626 | if (op_ret < 0) | |
7c673cae FG |
1627 | return -EIO; |
1628 | ||
1629 | size_t len = data.length(); | |
1630 | if (! len) | |
1631 | return 0; | |
1632 | ||
11fdf7f2 TL |
1633 | hash.Update((const unsigned char *)data.c_str(), data.length()); |
1634 | op_ret = filter->process(std::move(data), ofs); | |
7c673cae | 1635 | if (op_ret < 0) { |
11fdf7f2 | 1636 | goto done; |
7c673cae FG |
1637 | } |
1638 | bytes_written += len; | |
1639 | ||
1640 | done: | |
1641 | return op_ret; | |
1642 | } /* exec_continue */ | |
1643 | ||
1644 | int RGWWriteRequest::exec_finish() | |
1645 | { | |
1646 | buffer::list bl, aclbl, ux_key, ux_attrs; | |
1647 | map<string, string>::iterator iter; | |
1648 | char calc_md5[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1]; | |
1649 | unsigned char m[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
1650 | struct req_state* s = get_state(); | |
1651 | ||
1652 | size_t osize = rgw_fh->get_size(); | |
1653 | struct timespec octime = rgw_fh->get_ctime(); | |
1654 | struct timespec omtime = rgw_fh->get_mtime(); | |
1655 | real_time appx_t = real_clock::now(); | |
1656 | ||
3efd9988 | 1657 | s->obj_size = bytes_written; |
7c673cae FG |
1658 | perfcounter->inc(l_rgw_put_b, s->obj_size); |
1659 | ||
11fdf7f2 TL |
1660 | // flush data in filters |
1661 | op_ret = filter->process({}, s->obj_size); | |
1662 | if (op_ret < 0) { | |
1663 | goto done; | |
1664 | } | |
1665 | ||
9f95a23c | 1666 | op_ret = get_store()->getRados()->check_quota(s->bucket_owner.get_id(), s->bucket, |
11fdf7f2 TL |
1667 | user_quota, bucket_quota, s->obj_size, true); |
1668 | /* max_size exceed */ | |
7c673cae FG |
1669 | if (op_ret < 0) { |
1670 | goto done; | |
1671 | } | |
1672 | ||
1673 | hash.Final(m); | |
1674 | ||
224ce89b WB |
1675 | if (compressor && compressor->is_compressed()) { |
1676 | bufferlist tmp; | |
1677 | RGWCompressionInfo cs_info; | |
1678 | cs_info.compression_type = plugin->get_type_name(); | |
1679 | cs_info.orig_size = s->obj_size; | |
1680 | cs_info.blocks = std::move(compressor->get_compression_blocks()); | |
11fdf7f2 | 1681 | encode(cs_info, tmp); |
224ce89b WB |
1682 | attrs[RGW_ATTR_COMPRESSION] = tmp; |
1683 | ldout(s->cct, 20) << "storing " << RGW_ATTR_COMPRESSION | |
1684 | << " with type=" << cs_info.compression_type | |
1685 | << ", orig_size=" << cs_info.orig_size | |
1686 | << ", blocks=" << cs_info.blocks.size() << dendl; | |
1687 | } | |
1688 | ||
7c673cae FG |
1689 | buf_to_hex(m, CEPH_CRYPTO_MD5_DIGESTSIZE, calc_md5); |
1690 | etag = calc_md5; | |
1691 | ||
1692 | bl.append(etag.c_str(), etag.size() + 1); | |
1693 | emplace_attr(RGW_ATTR_ETAG, std::move(bl)); | |
1694 | ||
1695 | policy.encode(aclbl); | |
1696 | emplace_attr(RGW_ATTR_ACL, std::move(aclbl)); | |
1697 | ||
1698 | /* unix attrs */ | |
1699 | rgw_fh->set_mtime(real_clock::to_timespec(appx_t)); | |
1700 | rgw_fh->set_ctime(real_clock::to_timespec(appx_t)); | |
1701 | rgw_fh->set_size(bytes_written); | |
1702 | rgw_fh->encode_attrs(ux_key, ux_attrs); | |
1703 | ||
1704 | emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
1705 | emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
1706 | ||
1707 | for (iter = s->generic_attrs.begin(); iter != s->generic_attrs.end(); | |
1708 | ++iter) { | |
1709 | buffer::list& attrbl = attrs[iter->first]; | |
1710 | const string& val = iter->second; | |
1711 | attrbl.append(val.c_str(), val.size() + 1); | |
1712 | } | |
1713 | ||
3efd9988 FG |
1714 | op_ret = rgw_get_request_metadata(s->cct, s->info, attrs); |
1715 | if (op_ret < 0) { | |
1716 | goto done; | |
1717 | } | |
7c673cae FG |
1718 | encode_delete_at_attr(delete_at, attrs); |
1719 | ||
1720 | /* Add a custom metadata to expose the information whether an object | |
1721 | * is an SLO or not. Appending the attribute must be performed AFTER | |
1722 | * processing any input from user in order to prohibit overwriting. */ | |
1723 | if (unlikely(!! slo_info)) { | |
1724 | buffer::list slo_userindicator_bl; | |
11fdf7f2 TL |
1725 | using ceph::encode; |
1726 | encode("True", slo_userindicator_bl); | |
7c673cae FG |
1727 | emplace_attr(RGW_ATTR_SLO_UINDICATOR, std::move(slo_userindicator_bl)); |
1728 | } | |
1729 | ||
1730 | op_ret = processor->complete(s->obj_size, etag, &mtime, real_time(), attrs, | |
1731 | (delete_at ? *delete_at : real_time()), | |
9f95a23c TL |
1732 | if_match, if_nomatch, nullptr, nullptr, nullptr, |
1733 | s->yield); | |
7c673cae FG |
1734 | if (op_ret != 0) { |
1735 | /* revert attr updates */ | |
1736 | rgw_fh->set_mtime(omtime); | |
1737 | rgw_fh->set_ctime(octime); | |
1738 | rgw_fh->set_size(osize); | |
1739 | } | |
1740 | ||
1741 | done: | |
11fdf7f2 | 1742 | perfcounter->tinc(l_rgw_put_lat, s->time_elapsed()); |
7c673cae FG |
1743 | return op_ret; |
1744 | } /* exec_finish */ | |
1745 | ||
1746 | } /* namespace rgw */ | |
1747 | ||
1748 | /* librgw */ | |
1749 | extern "C" { | |
1750 | ||
1751 | void rgwfile_version(int *major, int *minor, int *extra) | |
1752 | { | |
1753 | if (major) | |
1754 | *major = LIBRGW_FILE_VER_MAJOR; | |
1755 | if (minor) | |
1756 | *minor = LIBRGW_FILE_VER_MINOR; | |
1757 | if (extra) | |
1758 | *extra = LIBRGW_FILE_VER_EXTRA; | |
1759 | } | |
1760 | ||
1761 | /* | |
1762 | attach rgw namespace | |
1763 | */ | |
1764 | int rgw_mount(librgw_t rgw, const char *uid, const char *acc_key, | |
1765 | const char *sec_key, struct rgw_fs **rgw_fs, | |
1766 | uint32_t flags) | |
1767 | { | |
1768 | int rc = 0; | |
1769 | ||
1770 | /* stash access data for "mount" */ | |
1771 | RGWLibFS* new_fs = new RGWLibFS(static_cast<CephContext*>(rgw), uid, acc_key, | |
3efd9988 | 1772 | sec_key, "/"); |
11fdf7f2 | 1773 | ceph_assert(new_fs); |
3efd9988 FG |
1774 | |
1775 | rc = new_fs->authorize(rgwlib.get_store()); | |
1776 | if (rc != 0) { | |
1777 | delete new_fs; | |
1778 | return -EINVAL; | |
1779 | } | |
1780 | ||
1781 | /* register fs for shared gc */ | |
1782 | rgwlib.get_fe()->get_process()->register_fs(new_fs); | |
1783 | ||
1784 | struct rgw_fs *fs = new_fs->get_fs(); | |
1785 | fs->rgw = rgw; | |
1786 | ||
1787 | /* XXX we no longer assume "/" is unique, but we aren't tracking the | |
1788 | * roots atm */ | |
1789 | ||
1790 | *rgw_fs = fs; | |
1791 | ||
1792 | return 0; | |
1793 | } | |
1794 | ||
1795 | int rgw_mount2(librgw_t rgw, const char *uid, const char *acc_key, | |
1796 | const char *sec_key, const char *root, struct rgw_fs **rgw_fs, | |
1797 | uint32_t flags) | |
1798 | { | |
1799 | int rc = 0; | |
1800 | ||
1801 | /* stash access data for "mount" */ | |
1802 | RGWLibFS* new_fs = new RGWLibFS(static_cast<CephContext*>(rgw), uid, acc_key, | |
1803 | sec_key, root); | |
11fdf7f2 | 1804 | ceph_assert(new_fs); |
7c673cae FG |
1805 | |
1806 | rc = new_fs->authorize(rgwlib.get_store()); | |
1807 | if (rc != 0) { | |
1808 | delete new_fs; | |
1809 | return -EINVAL; | |
1810 | } | |
1811 | ||
1812 | /* register fs for shared gc */ | |
1813 | rgwlib.get_fe()->get_process()->register_fs(new_fs); | |
1814 | ||
1815 | struct rgw_fs *fs = new_fs->get_fs(); | |
1816 | fs->rgw = rgw; | |
1817 | ||
1818 | /* XXX we no longer assume "/" is unique, but we aren't tracking the | |
1819 | * roots atm */ | |
1820 | ||
1821 | *rgw_fs = fs; | |
1822 | ||
1823 | return 0; | |
1824 | } | |
1825 | ||
1826 | /* | |
1827 | register invalidate callbacks | |
1828 | */ | |
1829 | int rgw_register_invalidate(struct rgw_fs *rgw_fs, rgw_fh_callback_t cb, | |
1830 | void *arg, uint32_t flags) | |
1831 | ||
1832 | { | |
1833 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
1834 | return fs->register_invalidate(cb, arg, flags); | |
1835 | } | |
1836 | ||
1837 | /* | |
1838 | detach rgw namespace | |
1839 | */ | |
1840 | int rgw_umount(struct rgw_fs *rgw_fs, uint32_t flags) | |
1841 | { | |
1842 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
1843 | fs->close(); | |
7c673cae FG |
1844 | return 0; |
1845 | } | |
1846 | ||
1847 | /* | |
1848 | get filesystem attributes | |
1849 | */ | |
1850 | int rgw_statfs(struct rgw_fs *rgw_fs, | |
1851 | struct rgw_file_handle *parent_fh, | |
1852 | struct rgw_statvfs *vfs_st, uint32_t flags) | |
1853 | { | |
1854 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
28e407b8 | 1855 | struct rados_cluster_stat_t stats; |
9f95a23c | 1856 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), *fs->get_user()); |
28e407b8 | 1857 | |
9f95a23c | 1858 | RGWGetClusterStatReq req(fs->get_context(), &ruser, stats); |
28e407b8 AA |
1859 | int rc = rgwlib.get_fe()->execute_req(&req); |
1860 | if (rc < 0) { | |
1861 | lderr(fs->get_context()) << "ERROR: getting total cluster usage" | |
1862 | << cpp_strerror(-rc) << dendl; | |
1863 | return rc; | |
1864 | } | |
7c673cae | 1865 | |
28e407b8 AA |
1866 | //Set block size to 1M. |
1867 | constexpr uint32_t CEPH_BLOCK_SHIFT = 20; | |
1868 | vfs_st->f_bsize = 1 << CEPH_BLOCK_SHIFT; | |
1869 | vfs_st->f_frsize = 1 << CEPH_BLOCK_SHIFT; | |
1870 | vfs_st->f_blocks = stats.kb >> (CEPH_BLOCK_SHIFT - 10); | |
1871 | vfs_st->f_bfree = stats.kb_avail >> (CEPH_BLOCK_SHIFT - 10); | |
1872 | vfs_st->f_bavail = stats.kb_avail >> (CEPH_BLOCK_SHIFT - 10); | |
1873 | vfs_st->f_files = stats.num_objects; | |
1874 | vfs_st->f_ffree = -1; | |
3efd9988 FG |
1875 | vfs_st->f_fsid[0] = fs->get_fsid(); |
1876 | vfs_st->f_fsid[1] = fs->get_fsid(); | |
7c673cae FG |
1877 | vfs_st->f_flag = 0; |
1878 | vfs_st->f_namemax = 4096; | |
1879 | return 0; | |
1880 | } | |
1881 | ||
1882 | /* | |
1883 | generic create -- create an empty regular file | |
1884 | */ | |
1885 | int rgw_create(struct rgw_fs *rgw_fs, struct rgw_file_handle *parent_fh, | |
1886 | const char *name, struct stat *st, uint32_t mask, | |
1887 | struct rgw_file_handle **fh, uint32_t posix_flags, | |
1888 | uint32_t flags) | |
1889 | { | |
1890 | using std::get; | |
1891 | ||
1892 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
1893 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
1894 | ||
1895 | if ((! parent) || | |
1896 | (parent->is_root()) || | |
1897 | (parent->is_file())) { | |
1898 | /* bad parent */ | |
1899 | return -EINVAL; | |
1900 | } | |
1901 | ||
1902 | MkObjResult fhr = fs->create(parent, name, st, mask, flags); | |
1903 | RGWFileHandle *nfh = get<0>(fhr); // nullptr if !success | |
1904 | ||
1905 | if (nfh) | |
1906 | *fh = nfh->get_fh(); | |
1907 | ||
1908 | return get<1>(fhr); | |
1909 | } /* rgw_create */ | |
1910 | ||
11fdf7f2 TL |
1911 | /* |
1912 | create a symbolic link | |
1913 | */ | |
1914 | int rgw_symlink(struct rgw_fs *rgw_fs, struct rgw_file_handle *parent_fh, | |
1915 | const char *name, const char *link_path, struct stat *st, uint32_t mask, | |
1916 | struct rgw_file_handle **fh, uint32_t posix_flags, | |
1917 | uint32_t flags) | |
1918 | { | |
1919 | using std::get; | |
1920 | ||
1921 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
1922 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
1923 | ||
1924 | if ((! parent) || | |
1925 | (parent->is_root()) || | |
1926 | (parent->is_file())) { | |
1927 | /* bad parent */ | |
1928 | return -EINVAL; | |
1929 | } | |
1930 | ||
1931 | MkObjResult fhr = fs->symlink(parent, name, link_path, st, mask, flags); | |
1932 | RGWFileHandle *nfh = get<0>(fhr); // nullptr if !success | |
1933 | ||
1934 | if (nfh) | |
1935 | *fh = nfh->get_fh(); | |
1936 | ||
1937 | return get<1>(fhr); | |
1938 | } /* rgw_symlink */ | |
1939 | ||
7c673cae FG |
1940 | /* |
1941 | create a new directory | |
1942 | */ | |
1943 | int rgw_mkdir(struct rgw_fs *rgw_fs, | |
1944 | struct rgw_file_handle *parent_fh, | |
1945 | const char *name, struct stat *st, uint32_t mask, | |
1946 | struct rgw_file_handle **fh, uint32_t flags) | |
1947 | { | |
1948 | using std::get; | |
1949 | ||
1950 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
1951 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
1952 | ||
1953 | if (! parent) { | |
1954 | /* bad parent */ | |
1955 | return -EINVAL; | |
1956 | } | |
1957 | ||
1958 | MkObjResult fhr = fs->mkdir(parent, name, st, mask, flags); | |
1959 | RGWFileHandle *nfh = get<0>(fhr); // nullptr if !success | |
1960 | ||
1961 | if (nfh) | |
1962 | *fh = nfh->get_fh(); | |
1963 | ||
1964 | return get<1>(fhr); | |
1965 | } /* rgw_mkdir */ | |
1966 | ||
1967 | /* | |
1968 | rename object | |
1969 | */ | |
1970 | int rgw_rename(struct rgw_fs *rgw_fs, | |
1971 | struct rgw_file_handle *src, const char* src_name, | |
1972 | struct rgw_file_handle *dst, const char* dst_name, | |
1973 | uint32_t flags) | |
1974 | { | |
1975 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
1976 | ||
1977 | RGWFileHandle* src_fh = get_rgwfh(src); | |
1978 | RGWFileHandle* dst_fh = get_rgwfh(dst); | |
1979 | ||
1980 | return fs->rename(src_fh, dst_fh, src_name, dst_name); | |
1981 | } | |
1982 | ||
1983 | /* | |
1984 | remove file or directory | |
1985 | */ | |
1986 | int rgw_unlink(struct rgw_fs *rgw_fs, struct rgw_file_handle *parent_fh, | |
1987 | const char *name, uint32_t flags) | |
1988 | { | |
1989 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
1990 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
1991 | ||
1992 | return fs->unlink(parent, name); | |
1993 | } | |
1994 | ||
1995 | /* | |
1996 | lookup object by name (POSIX style) | |
1997 | */ | |
1998 | int rgw_lookup(struct rgw_fs *rgw_fs, | |
1999 | struct rgw_file_handle *parent_fh, const char* path, | |
eafe8130 TL |
2000 | struct rgw_file_handle **fh, |
2001 | struct stat *st, uint32_t mask, uint32_t flags) | |
7c673cae FG |
2002 | { |
2003 | //CephContext* cct = static_cast<CephContext*>(rgw_fs->rgw); | |
2004 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2005 | ||
2006 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2007 | if ((! parent) || | |
2008 | (! parent->is_dir())) { | |
2009 | /* bad parent */ | |
2010 | return -EINVAL; | |
2011 | } | |
2012 | ||
2013 | RGWFileHandle* rgw_fh; | |
2014 | LookupFHResult fhr; | |
2015 | ||
2016 | if (parent->is_root()) { | |
2017 | /* special: parent lookup--note lack of ref()! */ | |
2018 | if (unlikely((strcmp(path, "..") == 0) || | |
2019 | (strcmp(path, "/") == 0))) { | |
2020 | rgw_fh = parent; | |
2021 | } else { | |
31f18b77 FG |
2022 | RGWLibFS::BucketStats bstat; |
2023 | fhr = fs->stat_bucket(parent, path, bstat, RGWFileHandle::FLAG_NONE); | |
7c673cae FG |
2024 | rgw_fh = get<0>(fhr); |
2025 | if (! rgw_fh) | |
2026 | return -ENOENT; | |
2027 | } | |
2028 | } else { | |
224ce89b WB |
2029 | /* special: after readdir--note extra ref()! */ |
2030 | if (unlikely((strcmp(path, "..") == 0))) { | |
2031 | rgw_fh = parent; | |
2032 | lsubdout(fs->get_context(), rgw, 17) | |
11fdf7f2 | 2033 | << __func__ << " BANG"<< *rgw_fh |
224ce89b WB |
2034 | << dendl; |
2035 | fs->ref(rgw_fh); | |
2036 | } else { | |
224ce89b WB |
2037 | enum rgw_fh_type fh_type = fh_type_of(flags); |
2038 | ||
2039 | uint32_t sl_flags = (flags & RGW_LOOKUP_FLAG_RCB) | |
2040 | ? RGWFileHandle::FLAG_NONE | |
2041 | : RGWFileHandle::FLAG_EXACT_MATCH; | |
2042 | ||
eafe8130 TL |
2043 | bool fast_attrs= fs->get_context()->_conf->rgw_nfs_s3_fast_attrs; |
2044 | ||
2045 | if ((flags & RGW_LOOKUP_FLAG_RCB) && fast_attrs) { | |
2046 | /* FAKE STAT--this should mean, interpolate special | |
2047 | * owner, group, and perms masks */ | |
2048 | fhr = fs->fake_leaf(parent, path, fh_type, st, mask, sl_flags); | |
2049 | } else { | |
2050 | if ((fh_type == RGW_FS_TYPE_DIRECTORY) && fast_attrs) { | |
2051 | /* trust cached dir, if present */ | |
2052 | fhr = fs->lookup_fh(parent, path, RGWFileHandle::FLAG_DIRECTORY); | |
2053 | if (get<0>(fhr)) { | |
2054 | rgw_fh = get<0>(fhr); | |
2055 | goto done; | |
2056 | } | |
2057 | } | |
2058 | fhr = fs->stat_leaf(parent, path, fh_type, sl_flags); | |
2059 | } | |
224ce89b WB |
2060 | if (! get<0>(fhr)) { |
2061 | if (! (flags & RGW_LOOKUP_FLAG_CREATE)) | |
2062 | return -ENOENT; | |
2063 | else | |
2064 | fhr = fs->lookup_fh(parent, path, RGWFileHandle::FLAG_CREATE); | |
2065 | } | |
2066 | rgw_fh = get<0>(fhr); | |
7c673cae | 2067 | } |
7c673cae FG |
2068 | } /* !root */ |
2069 | ||
eafe8130 | 2070 | done: |
7c673cae FG |
2071 | struct rgw_file_handle *rfh = rgw_fh->get_fh(); |
2072 | *fh = rfh; | |
2073 | ||
2074 | return 0; | |
2075 | } /* rgw_lookup */ | |
2076 | ||
2077 | /* | |
2078 | lookup object by handle (NFS style) | |
2079 | */ | |
2080 | int rgw_lookup_handle(struct rgw_fs *rgw_fs, struct rgw_fh_hk *fh_hk, | |
2081 | struct rgw_file_handle **fh, uint32_t flags) | |
2082 | { | |
2083 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2084 | ||
2085 | RGWFileHandle* rgw_fh = fs->lookup_handle(*fh_hk); | |
2086 | if (! rgw_fh) { | |
2087 | /* not found */ | |
2088 | return -ENOENT; | |
2089 | } | |
2090 | ||
2091 | struct rgw_file_handle *rfh = rgw_fh->get_fh(); | |
2092 | *fh = rfh; | |
2093 | ||
2094 | return 0; | |
2095 | } | |
2096 | ||
2097 | /* | |
2098 | * release file handle | |
2099 | */ | |
2100 | int rgw_fh_rele(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh, | |
2101 | uint32_t flags) | |
2102 | { | |
2103 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2104 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2105 | ||
2106 | lsubdout(fs->get_context(), rgw, 17) | |
2107 | << __func__ << " " << *rgw_fh | |
2108 | << dendl; | |
2109 | ||
2110 | fs->unref(rgw_fh); | |
2111 | return 0; | |
2112 | } | |
2113 | ||
2114 | /* | |
2115 | get unix attributes for object | |
2116 | */ | |
2117 | int rgw_getattr(struct rgw_fs *rgw_fs, | |
2118 | struct rgw_file_handle *fh, struct stat *st, uint32_t flags) | |
2119 | { | |
2120 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2121 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2122 | ||
2123 | return fs->getattr(rgw_fh, st); | |
2124 | } | |
2125 | ||
2126 | /* | |
2127 | set unix attributes for object | |
2128 | */ | |
2129 | int rgw_setattr(struct rgw_fs *rgw_fs, | |
2130 | struct rgw_file_handle *fh, struct stat *st, | |
2131 | uint32_t mask, uint32_t flags) | |
2132 | { | |
2133 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2134 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2135 | ||
2136 | return fs->setattr(rgw_fh, st, mask, flags); | |
2137 | } | |
2138 | ||
2139 | /* | |
2140 | truncate file | |
2141 | */ | |
2142 | int rgw_truncate(struct rgw_fs *rgw_fs, | |
2143 | struct rgw_file_handle *fh, uint64_t size, uint32_t flags) | |
2144 | { | |
2145 | return 0; | |
2146 | } | |
2147 | ||
2148 | /* | |
2149 | open file | |
2150 | */ | |
2151 | int rgw_open(struct rgw_fs *rgw_fs, | |
2152 | struct rgw_file_handle *fh, uint32_t posix_flags, uint32_t flags) | |
2153 | { | |
2154 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2155 | ||
28e407b8 | 2156 | /* XXX |
7c673cae FG |
2157 | * need to track specific opens--at least read opens and |
2158 | * a write open; we need to know when a write open is returned, | |
2159 | * that closes a write transaction | |
2160 | * | |
2161 | * for now, we will support single-open only, it's preferable to | |
2162 | * anything we can otherwise do without access to the NFS state | |
2163 | */ | |
2164 | if (! rgw_fh->is_file()) | |
2165 | return -EISDIR; | |
2166 | ||
2167 | return rgw_fh->open(flags); | |
2168 | } | |
2169 | ||
2170 | /* | |
2171 | close file | |
2172 | */ | |
2173 | int rgw_close(struct rgw_fs *rgw_fs, | |
2174 | struct rgw_file_handle *fh, uint32_t flags) | |
2175 | { | |
2176 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2177 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2178 | int rc = rgw_fh->close(/* XXX */); | |
2179 | ||
2180 | if (flags & RGW_CLOSE_FLAG_RELE) | |
2181 | fs->unref(rgw_fh); | |
2182 | ||
2183 | return rc; | |
2184 | } | |
2185 | ||
2186 | int rgw_readdir(struct rgw_fs *rgw_fs, | |
2187 | struct rgw_file_handle *parent_fh, uint64_t *offset, | |
2188 | rgw_readdir_cb rcb, void *cb_arg, bool *eof, | |
2189 | uint32_t flags) | |
2190 | { | |
2191 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2192 | if (! parent) { | |
2193 | /* bad parent */ | |
2194 | return -EINVAL; | |
2195 | } | |
3efd9988 FG |
2196 | |
2197 | lsubdout(parent->get_fs()->get_context(), rgw, 15) | |
2198 | << __func__ | |
2199 | << " offset=" << *offset | |
2200 | << dendl; | |
2201 | ||
2202 | if ((*offset == 0) && | |
2203 | (flags & RGW_READDIR_FLAG_DOTDOT)) { | |
2204 | /* send '.' and '..' with their NFS-defined offsets */ | |
eafe8130 TL |
2205 | rcb(".", cb_arg, 1, nullptr, 0, RGW_LOOKUP_FLAG_DIR); |
2206 | rcb("..", cb_arg, 2, nullptr, 0, RGW_LOOKUP_FLAG_DIR); | |
3efd9988 FG |
2207 | } |
2208 | ||
7c673cae FG |
2209 | int rc = parent->readdir(rcb, cb_arg, offset, eof, flags); |
2210 | return rc; | |
3efd9988 FG |
2211 | } /* rgw_readdir */ |
2212 | ||
2213 | /* enumeration continuing from name */ | |
2214 | int rgw_readdir2(struct rgw_fs *rgw_fs, | |
2215 | struct rgw_file_handle *parent_fh, const char *name, | |
2216 | rgw_readdir_cb rcb, void *cb_arg, bool *eof, | |
2217 | uint32_t flags) | |
2218 | { | |
2219 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2220 | if (! parent) { | |
2221 | /* bad parent */ | |
2222 | return -EINVAL; | |
2223 | } | |
2224 | ||
2225 | lsubdout(parent->get_fs()->get_context(), rgw, 15) | |
2226 | << __func__ | |
94b18763 | 2227 | << " offset=" << ((name) ? name : "(nil)") |
3efd9988 FG |
2228 | << dendl; |
2229 | ||
2230 | if ((! name) && | |
2231 | (flags & RGW_READDIR_FLAG_DOTDOT)) { | |
2232 | /* send '.' and '..' with their NFS-defined offsets */ | |
eafe8130 TL |
2233 | rcb(".", cb_arg, 1, nullptr, 0, RGW_LOOKUP_FLAG_DIR); |
2234 | rcb("..", cb_arg, 2, nullptr, 0, RGW_LOOKUP_FLAG_DIR); | |
3efd9988 FG |
2235 | } |
2236 | ||
2237 | int rc = parent->readdir(rcb, cb_arg, name, eof, flags); | |
2238 | return rc; | |
2239 | } /* rgw_readdir2 */ | |
7c673cae | 2240 | |
c07f9fc5 FG |
2241 | /* project offset of dirent name */ |
2242 | int rgw_dirent_offset(struct rgw_fs *rgw_fs, | |
2243 | struct rgw_file_handle *parent_fh, | |
2244 | const char *name, int64_t *offset, | |
2245 | uint32_t flags) | |
2246 | { | |
2247 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2248 | if ((! parent)) { | |
2249 | /* bad parent */ | |
2250 | return -EINVAL; | |
2251 | } | |
2252 | std::string sname{name}; | |
2253 | int rc = parent->offset_of(sname, offset, flags); | |
2254 | return rc; | |
2255 | } | |
2256 | ||
7c673cae FG |
2257 | /* |
2258 | read data from file | |
2259 | */ | |
2260 | int rgw_read(struct rgw_fs *rgw_fs, | |
2261 | struct rgw_file_handle *fh, uint64_t offset, | |
2262 | size_t length, size_t *bytes_read, void *buffer, | |
2263 | uint32_t flags) | |
2264 | { | |
2265 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2266 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2267 | ||
2268 | return fs->read(rgw_fh, offset, length, bytes_read, buffer, flags); | |
2269 | } | |
2270 | ||
11fdf7f2 TL |
2271 | /* |
2272 | read symbolic link | |
2273 | */ | |
2274 | int rgw_readlink(struct rgw_fs *rgw_fs, | |
2275 | struct rgw_file_handle *fh, uint64_t offset, | |
2276 | size_t length, size_t *bytes_read, void *buffer, | |
2277 | uint32_t flags) | |
2278 | { | |
2279 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2280 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2281 | ||
2282 | return fs->readlink(rgw_fh, offset, length, bytes_read, buffer, flags); | |
2283 | } | |
2284 | ||
7c673cae FG |
2285 | /* |
2286 | write data to file | |
2287 | */ | |
2288 | int rgw_write(struct rgw_fs *rgw_fs, | |
2289 | struct rgw_file_handle *fh, uint64_t offset, | |
2290 | size_t length, size_t *bytes_written, void *buffer, | |
2291 | uint32_t flags) | |
2292 | { | |
2293 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2294 | int rc; | |
2295 | ||
2296 | *bytes_written = 0; | |
2297 | ||
2298 | if (! rgw_fh->is_file()) | |
2299 | return -EISDIR; | |
2300 | ||
3efd9988 FG |
2301 | if (! rgw_fh->is_open()) { |
2302 | if (flags & RGW_OPEN_FLAG_V3) { | |
2303 | rc = rgw_fh->open(flags); | |
2304 | if (!! rc) | |
2305 | return rc; | |
2306 | } else | |
2307 | return -EPERM; | |
2308 | } | |
7c673cae FG |
2309 | |
2310 | rc = rgw_fh->write(offset, length, bytes_written, buffer); | |
2311 | ||
2312 | return rc; | |
2313 | } | |
2314 | ||
2315 | /* | |
2316 | read data from file (vector) | |
2317 | */ | |
2318 | class RGWReadV | |
2319 | { | |
2320 | buffer::list bl; | |
2321 | struct rgw_vio* vio; | |
2322 | ||
2323 | public: | |
2324 | RGWReadV(buffer::list& _bl, rgw_vio* _vio) : vio(_vio) { | |
2325 | bl.claim(_bl); | |
2326 | } | |
2327 | ||
2328 | struct rgw_vio* get_vio() { return vio; } | |
2329 | ||
11fdf7f2 | 2330 | const auto& buffers() { return bl.buffers(); } |
7c673cae FG |
2331 | |
2332 | unsigned /* XXX */ length() { return bl.length(); } | |
2333 | ||
2334 | }; | |
2335 | ||
2336 | void rgw_readv_rele(struct rgw_uio *uio, uint32_t flags) | |
2337 | { | |
2338 | RGWReadV* rdv = static_cast<RGWReadV*>(uio->uio_p1); | |
2339 | rdv->~RGWReadV(); | |
2340 | ::operator delete(rdv); | |
2341 | } | |
2342 | ||
2343 | int rgw_readv(struct rgw_fs *rgw_fs, | |
2344 | struct rgw_file_handle *fh, rgw_uio *uio, uint32_t flags) | |
2345 | { | |
2346 | #if 0 /* XXX */ | |
2347 | CephContext* cct = static_cast<CephContext*>(rgw_fs->rgw); | |
2348 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2349 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2350 | ||
2351 | if (! rgw_fh->is_file()) | |
2352 | return -EINVAL; | |
2353 | ||
2354 | int rc = 0; | |
2355 | ||
2356 | buffer::list bl; | |
2357 | RGWGetObjRequest req(cct, fs->get_user(), rgw_fh->bucket_name(), | |
2358 | rgw_fh->object_name(), uio->uio_offset, uio->uio_resid, | |
2359 | bl); | |
2360 | req.do_hexdump = false; | |
2361 | ||
2362 | rc = rgwlib.get_fe()->execute_req(&req); | |
2363 | ||
2364 | if (! rc) { | |
2365 | RGWReadV* rdv = static_cast<RGWReadV*>( | |
2366 | ::operator new(sizeof(RGWReadV) + | |
2367 | (bl.buffers().size() * sizeof(struct rgw_vio)))); | |
2368 | ||
2369 | (void) new (rdv) | |
2370 | RGWReadV(bl, reinterpret_cast<rgw_vio*>(rdv+sizeof(RGWReadV))); | |
2371 | ||
2372 | uio->uio_p1 = rdv; | |
2373 | uio->uio_cnt = rdv->buffers().size(); | |
2374 | uio->uio_resid = rdv->length(); | |
2375 | uio->uio_vio = rdv->get_vio(); | |
2376 | uio->uio_rele = rgw_readv_rele; | |
2377 | ||
2378 | int ix = 0; | |
2379 | auto& buffers = rdv->buffers(); | |
2380 | for (auto& bp : buffers) { | |
2381 | rgw_vio *vio = &(uio->uio_vio[ix]); | |
2382 | vio->vio_base = const_cast<char*>(bp.c_str()); | |
2383 | vio->vio_len = bp.length(); | |
2384 | vio->vio_u1 = nullptr; | |
2385 | vio->vio_p1 = nullptr; | |
2386 | ++ix; | |
2387 | } | |
2388 | } | |
2389 | ||
2390 | return rc; | |
2391 | #else | |
2392 | return 0; | |
2393 | #endif | |
2394 | } | |
2395 | ||
2396 | /* | |
2397 | write data to file (vector) | |
2398 | */ | |
2399 | int rgw_writev(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh, | |
2400 | rgw_uio *uio, uint32_t flags) | |
2401 | { | |
2402 | ||
2403 | return -ENOTSUP; | |
2404 | ||
2405 | CephContext* cct = static_cast<CephContext*>(rgw_fs->rgw); | |
2406 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2407 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
9f95a23c | 2408 | rgw::sal::RGWRadosUser ruser(rgwlib.get_store(), *fs->get_user()); |
7c673cae FG |
2409 | |
2410 | if (! rgw_fh->is_file()) | |
2411 | return -EINVAL; | |
2412 | ||
2413 | buffer::list bl; | |
2414 | for (unsigned int ix = 0; ix < uio->uio_cnt; ++ix) { | |
2415 | rgw_vio *vio = &(uio->uio_vio[ix]); | |
2416 | bl.push_back( | |
2417 | buffer::create_static(vio->vio_len, | |
2418 | static_cast<char*>(vio->vio_base))); | |
2419 | } | |
2420 | ||
2421 | std::string oname = rgw_fh->relative_object_name(); | |
9f95a23c | 2422 | RGWPutObjRequest req(cct, &ruser, rgw_fh->bucket_name(), |
7c673cae FG |
2423 | oname, bl); |
2424 | ||
2425 | int rc = rgwlib.get_fe()->execute_req(&req); | |
2426 | ||
2427 | /* XXX update size (in request) */ | |
2428 | ||
2429 | return rc; | |
2430 | } | |
2431 | ||
2432 | /* | |
2433 | sync written data | |
2434 | */ | |
2435 | int rgw_fsync(struct rgw_fs *rgw_fs, struct rgw_file_handle *handle, | |
2436 | uint32_t flags) | |
2437 | { | |
2438 | return 0; | |
2439 | } | |
2440 | ||
2441 | int rgw_commit(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh, | |
2442 | uint64_t offset, uint64_t length, uint32_t flags) | |
2443 | { | |
2444 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2445 | ||
2446 | return rgw_fh->commit(offset, length, RGWFileHandle::FLAG_NONE); | |
2447 | } | |
2448 | ||
2449 | } /* extern "C" */ |