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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" | |
7c673cae FG |
11 | #include "rgw_resolve.h" |
12 | #include "rgw_op.h" | |
13 | #include "rgw_rest.h" | |
14 | #include "rgw_acl.h" | |
15 | #include "rgw_acl_s3.h" | |
16 | #include "rgw_frontend.h" | |
17 | #include "rgw_request.h" | |
18 | #include "rgw_process.h" | |
19 | #include "rgw_rest_user.h" | |
20 | #include "rgw_rest_s3.h" | |
21 | #include "rgw_os_lib.h" | |
22 | #include "rgw_auth_s3.h" | |
23 | #include "rgw_user.h" | |
24 | #include "rgw_bucket.h" | |
11fdf7f2 | 25 | #include "rgw_zone.h" |
7c673cae FG |
26 | #include "rgw_file.h" |
27 | #include "rgw_lib_frontend.h" | |
11fdf7f2 | 28 | #include "rgw_perf_counters.h" |
28e407b8 | 29 | #include "common/errno.h" |
7c673cae | 30 | |
9f95a23c TL |
31 | #include "services/svc_zone.h" |
32 | ||
7c673cae FG |
33 | #include <atomic> |
34 | ||
35 | #define dout_subsys ceph_subsys_rgw | |
36 | ||
37 | using namespace rgw; | |
38 | ||
39 | namespace rgw { | |
40 | ||
41 | extern RGWLib rgwlib; | |
42 | ||
43 | const string RGWFileHandle::root_name = "/"; | |
44 | ||
45 | std::atomic<uint32_t> RGWLibFS::fs_inst_counter; | |
46 | ||
47 | uint32_t RGWLibFS::write_completion_interval_s = 10; | |
48 | ||
49 | ceph::timer<ceph::mono_clock> RGWLibFS::write_timer{ | |
50 | ceph::construct_suspended}; | |
51 | ||
52 | inline int valid_fs_bucket_name(const string& name) { | |
53 | int rc = valid_s3_bucket_name(name, false /* relaxed */); | |
54 | if (rc != 0) { | |
55 | if (name.size() > 255) | |
56 | return -ENAMETOOLONG; | |
57 | return -EINVAL; | |
58 | } | |
59 | return 0; | |
60 | } | |
61 | ||
62 | inline int valid_fs_object_name(const string& name) { | |
63 | int rc = valid_s3_object_name(name); | |
64 | if (rc != 0) { | |
65 | if (name.size() > 1024) | |
66 | return -ENAMETOOLONG; | |
67 | return -EINVAL; | |
68 | } | |
69 | return 0; | |
70 | } | |
71 | ||
f67539c2 TL |
72 | class XattrHash |
73 | { | |
74 | public: | |
75 | std::size_t operator()(const rgw_xattrstr& att) const noexcept { | |
76 | return XXH64(att.val, att.len, 5882300); | |
77 | } | |
78 | }; | |
79 | ||
80 | class XattrEqual | |
81 | { | |
82 | public: | |
83 | bool operator()(const rgw_xattrstr& lhs, const rgw_xattrstr& rhs) const { | |
84 | return ((lhs.len == rhs.len) && | |
85 | (strncmp(lhs.val, rhs.val, lhs.len) == 0)); | |
86 | } | |
87 | }; | |
88 | ||
89 | /* well-known attributes */ | |
90 | static const std::unordered_set< | |
91 | rgw_xattrstr, XattrHash, XattrEqual> rgw_exposed_attrs = { | |
92 | rgw_xattrstr{const_cast<char*>(RGW_ATTR_ETAG), sizeof(RGW_ATTR_ETAG)-1} | |
93 | }; | |
94 | ||
95 | static inline bool is_exposed_attr(const rgw_xattrstr& k) { | |
96 | return (rgw_exposed_attrs.find(k) != rgw_exposed_attrs.end()); | |
97 | } | |
98 | ||
31f18b77 FG |
99 | LookupFHResult RGWLibFS::stat_bucket(RGWFileHandle* parent, const char *path, |
100 | RGWLibFS::BucketStats& bs, | |
101 | uint32_t flags) | |
7c673cae FG |
102 | { |
103 | LookupFHResult fhr{nullptr, 0}; | |
104 | std::string bucket_name{path}; | |
f67539c2 | 105 | RGWStatBucketRequest req(cct, rgwlib.get_store()->get_user(user.user_id), bucket_name, bs); |
7c673cae FG |
106 | |
107 | int rc = rgwlib.get_fe()->execute_req(&req); | |
108 | if ((rc == 0) && | |
109 | (req.get_ret() == 0) && | |
110 | (req.matched())) { | |
111 | fhr = lookup_fh(parent, path, | |
31f18b77 | 112 | (flags & RGWFileHandle::FLAG_LOCKED)| |
7c673cae FG |
113 | RGWFileHandle::FLAG_CREATE| |
114 | RGWFileHandle::FLAG_BUCKET); | |
115 | if (get<0>(fhr)) { | |
116 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
31f18b77 FG |
117 | if (! (flags & RGWFileHandle::FLAG_LOCKED)) { |
118 | rgw_fh->mtx.lock(); | |
119 | } | |
7c673cae FG |
120 | rgw_fh->set_times(req.get_ctime()); |
121 | /* restore attributes */ | |
122 | auto ux_key = req.get_attr(RGW_ATTR_UNIX_KEY1); | |
123 | auto ux_attrs = req.get_attr(RGW_ATTR_UNIX1); | |
124 | if (ux_key && ux_attrs) { | |
3efd9988 FG |
125 | DecodeAttrsResult dar = rgw_fh->decode_attrs(ux_key, ux_attrs); |
126 | if (get<0>(dar) || get<1>(dar)) { | |
127 | update_fh(rgw_fh); | |
128 | } | |
7c673cae | 129 | } |
31f18b77 FG |
130 | if (! (flags & RGWFileHandle::FLAG_LOCKED)) { |
131 | rgw_fh->mtx.unlock(); | |
132 | } | |
7c673cae FG |
133 | } |
134 | } | |
135 | return fhr; | |
136 | } | |
137 | ||
eafe8130 TL |
138 | LookupFHResult RGWLibFS::fake_leaf(RGWFileHandle* parent, |
139 | const char *path, | |
140 | enum rgw_fh_type type, | |
141 | struct stat *st, uint32_t st_mask, | |
142 | uint32_t flags) | |
143 | { | |
144 | /* synthesize a minimal handle from parent, path, type, and st */ | |
145 | using std::get; | |
146 | ||
147 | flags |= RGWFileHandle::FLAG_CREATE; | |
148 | ||
149 | switch (type) { | |
150 | case RGW_FS_TYPE_DIRECTORY: | |
151 | flags |= RGWFileHandle::FLAG_DIRECTORY; | |
152 | break; | |
153 | default: | |
154 | /* file */ | |
155 | break; | |
156 | }; | |
157 | ||
158 | LookupFHResult fhr = lookup_fh(parent, path, flags); | |
159 | if (get<0>(fhr)) { | |
160 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
161 | if (st) { | |
162 | lock_guard guard(rgw_fh->mtx); | |
163 | if (st_mask & RGW_SETATTR_SIZE) { | |
164 | rgw_fh->set_size(st->st_size); | |
165 | } | |
166 | if (st_mask & RGW_SETATTR_MTIME) { | |
167 | rgw_fh->set_times(st->st_mtim); | |
168 | } | |
169 | } /* st */ | |
170 | } /* rgw_fh */ | |
171 | return fhr; | |
172 | } /* RGWLibFS::fake_leaf */ | |
173 | ||
7c673cae FG |
174 | LookupFHResult RGWLibFS::stat_leaf(RGWFileHandle* parent, |
175 | const char *path, | |
176 | enum rgw_fh_type type, | |
177 | uint32_t flags) | |
178 | { | |
179 | /* find either-of <object_name>, <object_name/>, only one of | |
180 | * which should exist; atomicity? */ | |
181 | using std::get; | |
182 | ||
183 | LookupFHResult fhr{nullptr, 0}; | |
184 | ||
185 | /* XXX the need for two round-trip operations to identify file or | |
186 | * directory leaf objects is unecessary--the current proposed | |
187 | * mechanism to avoid this is to store leaf object names with an | |
188 | * object locator w/o trailing slash */ | |
189 | ||
31f18b77 | 190 | std::string obj_path = parent->format_child_name(path, false); |
7c673cae FG |
191 | |
192 | for (auto ix : { 0, 1, 2 }) { | |
193 | switch (ix) { | |
194 | case 0: | |
195 | { | |
196 | /* type hint */ | |
197 | if (type == RGW_FS_TYPE_DIRECTORY) | |
198 | continue; | |
199 | ||
f67539c2 | 200 | RGWStatObjRequest req(cct, rgwlib.get_store()->get_user(user.user_id), |
7c673cae FG |
201 | parent->bucket_name(), obj_path, |
202 | RGWStatObjRequest::FLAG_NONE); | |
203 | int rc = rgwlib.get_fe()->execute_req(&req); | |
204 | if ((rc == 0) && | |
205 | (req.get_ret() == 0)) { | |
206 | fhr = lookup_fh(parent, path, RGWFileHandle::FLAG_CREATE); | |
207 | if (get<0>(fhr)) { | |
208 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
209 | lock_guard guard(rgw_fh->mtx); | |
210 | rgw_fh->set_size(req.get_size()); | |
211 | rgw_fh->set_times(req.get_mtime()); | |
212 | /* restore attributes */ | |
213 | auto ux_key = req.get_attr(RGW_ATTR_UNIX_KEY1); | |
214 | auto ux_attrs = req.get_attr(RGW_ATTR_UNIX1); | |
81eedcae TL |
215 | rgw_fh->set_etag(*(req.get_attr(RGW_ATTR_ETAG))); |
216 | rgw_fh->set_acls(*(req.get_attr(RGW_ATTR_ACL))); | |
f67539c2 TL |
217 | if (!(flags & RGWFileHandle::FLAG_IN_CB) && |
218 | ux_key && ux_attrs) { | |
3efd9988 FG |
219 | DecodeAttrsResult dar = rgw_fh->decode_attrs(ux_key, ux_attrs); |
220 | if (get<0>(dar) || get<1>(dar)) { | |
221 | update_fh(rgw_fh); | |
222 | } | |
7c673cae FG |
223 | } |
224 | } | |
225 | goto done; | |
226 | } | |
227 | } | |
228 | break; | |
229 | case 1: | |
230 | { | |
231 | /* try dir form */ | |
232 | /* type hint */ | |
233 | if (type == RGW_FS_TYPE_FILE) | |
234 | continue; | |
235 | ||
236 | obj_path += "/"; | |
f67539c2 | 237 | RGWStatObjRequest req(cct, rgwlib.get_store()->get_user(user.user_id), |
7c673cae FG |
238 | parent->bucket_name(), obj_path, |
239 | RGWStatObjRequest::FLAG_NONE); | |
240 | int rc = rgwlib.get_fe()->execute_req(&req); | |
241 | if ((rc == 0) && | |
242 | (req.get_ret() == 0)) { | |
243 | fhr = lookup_fh(parent, path, RGWFileHandle::FLAG_DIRECTORY); | |
244 | if (get<0>(fhr)) { | |
245 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
246 | lock_guard guard(rgw_fh->mtx); | |
247 | rgw_fh->set_size(req.get_size()); | |
248 | rgw_fh->set_times(req.get_mtime()); | |
249 | /* restore attributes */ | |
250 | auto ux_key = req.get_attr(RGW_ATTR_UNIX_KEY1); | |
251 | auto ux_attrs = req.get_attr(RGW_ATTR_UNIX1); | |
81eedcae TL |
252 | rgw_fh->set_etag(*(req.get_attr(RGW_ATTR_ETAG))); |
253 | rgw_fh->set_acls(*(req.get_attr(RGW_ATTR_ACL))); | |
f67539c2 TL |
254 | if (!(flags & RGWFileHandle::FLAG_IN_CB) && |
255 | ux_key && ux_attrs) { | |
3efd9988 FG |
256 | DecodeAttrsResult dar = rgw_fh->decode_attrs(ux_key, ux_attrs); |
257 | if (get<0>(dar) || get<1>(dar)) { | |
258 | update_fh(rgw_fh); | |
259 | } | |
7c673cae FG |
260 | } |
261 | } | |
262 | goto done; | |
263 | } | |
264 | } | |
265 | break; | |
266 | case 2: | |
267 | { | |
268 | std::string object_name{path}; | |
f67539c2 TL |
269 | RGWStatLeafRequest req(cct, rgwlib.get_store()->get_user(user.user_id), |
270 | parent, object_name); | |
7c673cae FG |
271 | int rc = rgwlib.get_fe()->execute_req(&req); |
272 | if ((rc == 0) && | |
273 | (req.get_ret() == 0)) { | |
274 | if (req.matched) { | |
275 | /* we need rgw object's key name equal to file name, if | |
276 | * not return NULL */ | |
277 | if ((flags & RGWFileHandle::FLAG_EXACT_MATCH) && | |
278 | !req.exact_matched) { | |
279 | lsubdout(get_context(), rgw, 15) | |
280 | << __func__ | |
281 | << ": stat leaf not exact match file name = " | |
282 | << path << dendl; | |
283 | goto done; | |
284 | } | |
285 | fhr = lookup_fh(parent, path, | |
286 | RGWFileHandle::FLAG_CREATE| | |
287 | ((req.is_dir) ? | |
288 | RGWFileHandle::FLAG_DIRECTORY : | |
289 | RGWFileHandle::FLAG_NONE)); | |
290 | /* XXX we don't have an object--in general, there need not | |
291 | * be one (just a path segment in some other object). In | |
292 | * actual leaf an object exists, but we'd need another round | |
293 | * trip to get attrs */ | |
294 | if (get<0>(fhr)) { | |
295 | /* for now use the parent object's mtime */ | |
296 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
297 | lock_guard guard(rgw_fh->mtx); | |
298 | rgw_fh->set_mtime(parent->get_mtime()); | |
299 | } | |
300 | } | |
301 | } | |
302 | } | |
303 | break; | |
304 | default: | |
305 | /* not reached */ | |
306 | break; | |
307 | } | |
308 | } | |
309 | done: | |
310 | return fhr; | |
311 | } /* RGWLibFS::stat_leaf */ | |
312 | ||
313 | int RGWLibFS::read(RGWFileHandle* rgw_fh, uint64_t offset, size_t length, | |
314 | size_t* bytes_read, void* buffer, uint32_t flags) | |
315 | { | |
316 | if (! rgw_fh->is_file()) | |
317 | return -EINVAL; | |
318 | ||
319 | if (rgw_fh->deleted()) | |
320 | return -ESTALE; | |
321 | ||
f67539c2 TL |
322 | RGWReadRequest req(get_context(), rgwlib.get_store()->get_user(user.user_id), |
323 | rgw_fh, offset, length, buffer); | |
7c673cae FG |
324 | |
325 | int rc = rgwlib.get_fe()->execute_req(&req); | |
326 | if ((rc == 0) && | |
327 | (req.get_ret() == 0)) { | |
11fdf7f2 TL |
328 | lock_guard guard(rgw_fh->mtx); |
329 | rgw_fh->set_atime(real_clock::to_timespec(real_clock::now())); | |
330 | *bytes_read = req.nread; | |
331 | } | |
332 | ||
333 | return rc; | |
334 | } | |
335 | ||
336 | int RGWLibFS::readlink(RGWFileHandle* rgw_fh, uint64_t offset, size_t length, | |
337 | size_t* bytes_read, void* buffer, uint32_t flags) | |
338 | { | |
339 | if (! rgw_fh->is_link()) | |
340 | return -EINVAL; | |
341 | ||
342 | if (rgw_fh->deleted()) | |
343 | return -ESTALE; | |
344 | ||
f67539c2 TL |
345 | RGWReadRequest req(get_context(), rgwlib.get_store()->get_user(user.user_id), |
346 | rgw_fh, offset, length, buffer); | |
11fdf7f2 TL |
347 | |
348 | int rc = rgwlib.get_fe()->execute_req(&req); | |
349 | if ((rc == 0) && | |
350 | (req.get_ret() == 0)) { | |
7c673cae FG |
351 | lock_guard(rgw_fh->mtx); |
352 | rgw_fh->set_atime(real_clock::to_timespec(real_clock::now())); | |
353 | *bytes_read = req.nread; | |
354 | } | |
355 | ||
356 | return rc; | |
357 | } | |
358 | ||
359 | int RGWLibFS::unlink(RGWFileHandle* rgw_fh, const char* name, uint32_t flags) | |
360 | { | |
361 | int rc = 0; | |
31f18b77 | 362 | BucketStats bs; |
7c673cae | 363 | RGWFileHandle* parent = nullptr; |
31f18b77 | 364 | RGWFileHandle* bkt_fh = nullptr; |
7c673cae FG |
365 | |
366 | if (unlikely(flags & RGWFileHandle::FLAG_UNLINK_THIS)) { | |
367 | /* LOCKED */ | |
368 | parent = rgw_fh->get_parent(); | |
369 | } else { | |
370 | /* atomicity */ | |
371 | parent = rgw_fh; | |
372 | LookupFHResult fhr = lookup_fh(parent, name, RGWFileHandle::FLAG_LOCK); | |
373 | rgw_fh = get<0>(fhr); | |
374 | /* LOCKED */ | |
375 | } | |
376 | ||
377 | if (parent->is_root()) { | |
31f18b77 FG |
378 | /* a bucket may have an object storing Unix attributes, check |
379 | * for and delete it */ | |
380 | LookupFHResult fhr; | |
381 | fhr = stat_bucket(parent, name, bs, (rgw_fh) ? | |
382 | RGWFileHandle::FLAG_LOCKED : | |
383 | RGWFileHandle::FLAG_NONE); | |
384 | bkt_fh = get<0>(fhr); | |
385 | if (unlikely(! bkt_fh)) { | |
386 | /* implies !rgw_fh, so also !LOCKED */ | |
387 | return -ENOENT; | |
388 | } | |
389 | ||
390 | if (bs.num_entries > 1) { | |
391 | unref(bkt_fh); /* return stat_bucket ref */ | |
392 | if (likely(!! rgw_fh)) { /* return lock and ref from | |
393 | * lookup_fh (or caller in the | |
394 | * special case of | |
395 | * RGWFileHandle::FLAG_UNLINK_THIS) */ | |
396 | rgw_fh->mtx.unlock(); | |
397 | unref(rgw_fh); | |
398 | } | |
399 | return -ENOTEMPTY; | |
400 | } else { | |
401 | /* delete object w/key "<bucket>/" (uxattrs), if any */ | |
402 | string oname{"/"}; | |
f67539c2 TL |
403 | RGWDeleteObjRequest req(cct, rgwlib.get_store()->get_user(user.user_id), |
404 | bkt_fh->bucket_name(), oname); | |
31f18b77 FG |
405 | rc = rgwlib.get_fe()->execute_req(&req); |
406 | /* don't care if ENOENT */ | |
407 | unref(bkt_fh); | |
408 | } | |
409 | ||
410 | string bname{name}; | |
f67539c2 | 411 | RGWDeleteBucketRequest req(cct, rgwlib.get_store()->get_user(user.user_id), bname); |
7c673cae FG |
412 | rc = rgwlib.get_fe()->execute_req(&req); |
413 | if (! rc) { | |
414 | rc = req.get_ret(); | |
415 | } | |
416 | } else { | |
417 | /* | |
418 | * leaf object | |
419 | */ | |
420 | if (! rgw_fh) { | |
421 | /* XXX for now, peform a hard lookup to deduce the type of | |
422 | * object to be deleted ("foo" vs. "foo/")--also, ensures | |
423 | * atomicity at this endpoint */ | |
424 | struct rgw_file_handle *fh; | |
425 | rc = rgw_lookup(get_fs(), parent->get_fh(), name, &fh, | |
eafe8130 | 426 | nullptr /* st */, 0 /* mask */, |
7c673cae FG |
427 | RGW_LOOKUP_FLAG_NONE); |
428 | if (!! rc) | |
429 | return rc; | |
430 | ||
431 | /* rgw_fh ref+ */ | |
432 | rgw_fh = get_rgwfh(fh); | |
433 | rgw_fh->mtx.lock(); /* LOCKED */ | |
434 | } | |
435 | ||
436 | std::string oname = rgw_fh->relative_object_name(); | |
437 | if (rgw_fh->is_dir()) { | |
438 | /* for the duration of our cache timer, trust positive | |
439 | * child cache */ | |
440 | if (rgw_fh->has_children()) { | |
441 | rgw_fh->mtx.unlock(); | |
442 | unref(rgw_fh); | |
443 | return(-ENOTEMPTY); | |
444 | } | |
445 | oname += "/"; | |
446 | } | |
f67539c2 | 447 | RGWDeleteObjRequest req(cct, rgwlib.get_store()->get_user(user.user_id), parent->bucket_name(), |
7c673cae FG |
448 | oname); |
449 | rc = rgwlib.get_fe()->execute_req(&req); | |
450 | if (! rc) { | |
451 | rc = req.get_ret(); | |
452 | } | |
453 | } | |
454 | ||
31f18b77 FG |
455 | /* ENOENT when raced with other s3 gateway */ |
456 | if (! rc || rc == -ENOENT) { | |
457 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
458 | fh_cache.remove(rgw_fh->fh.fh_hk.object, rgw_fh, | |
459 | RGWFileHandle::FHCache::FLAG_LOCK); | |
460 | } | |
7c673cae FG |
461 | |
462 | if (! rc) { | |
463 | real_time t = real_clock::now(); | |
464 | parent->set_mtime(real_clock::to_timespec(t)); | |
465 | parent->set_ctime(real_clock::to_timespec(t)); | |
466 | } | |
467 | ||
468 | rgw_fh->mtx.unlock(); | |
469 | unref(rgw_fh); | |
470 | ||
471 | return rc; | |
472 | } /* RGWLibFS::unlink */ | |
473 | ||
474 | int RGWLibFS::rename(RGWFileHandle* src_fh, RGWFileHandle* dst_fh, | |
475 | const char *_src_name, const char *_dst_name) | |
476 | ||
477 | { | |
478 | /* XXX initial implementation: try-copy, and delete if copy | |
479 | * succeeds */ | |
480 | int rc = -EINVAL; | |
7c673cae FG |
481 | real_time t; |
482 | ||
483 | std::string src_name{_src_name}; | |
484 | std::string dst_name{_dst_name}; | |
485 | ||
486 | /* atomicity */ | |
487 | LookupFHResult fhr = lookup_fh(src_fh, _src_name, RGWFileHandle::FLAG_LOCK); | |
488 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
489 | ||
490 | /* should not happen */ | |
491 | if (! rgw_fh) { | |
492 | ldout(get_context(), 0) << __func__ | |
493 | << " BUG no such src renaming path=" | |
494 | << src_name | |
495 | << dendl; | |
496 | goto out; | |
497 | } | |
498 | ||
499 | /* forbid renaming of directories (unreasonable at scale) */ | |
500 | if (rgw_fh->is_dir()) { | |
501 | ldout(get_context(), 12) << __func__ | |
502 | << " rejecting attempt to rename directory path=" | |
503 | << rgw_fh->full_object_name() | |
504 | << dendl; | |
505 | rc = -EPERM; | |
506 | goto unlock; | |
507 | } | |
508 | ||
509 | /* forbid renaming open files (violates intent, for now) */ | |
510 | if (rgw_fh->is_open()) { | |
511 | ldout(get_context(), 12) << __func__ | |
512 | << " rejecting attempt to rename open file path=" | |
513 | << rgw_fh->full_object_name() | |
514 | << dendl; | |
515 | rc = -EPERM; | |
516 | goto unlock; | |
517 | } | |
518 | ||
519 | t = real_clock::now(); | |
520 | ||
521 | for (int ix : {0, 1}) { | |
522 | switch (ix) { | |
523 | case 0: | |
524 | { | |
f67539c2 TL |
525 | RGWCopyObjRequest req(cct, rgwlib.get_store()->get_user(user.user_id), |
526 | src_fh, dst_fh, src_name, dst_name); | |
7c673cae FG |
527 | int rc = rgwlib.get_fe()->execute_req(&req); |
528 | if ((rc != 0) || | |
529 | ((rc = req.get_ret()) != 0)) { | |
530 | ldout(get_context(), 1) | |
531 | << __func__ | |
532 | << " rename step 0 failed src=" | |
533 | << src_fh->full_object_name() << " " << src_name | |
534 | << " dst=" << dst_fh->full_object_name() | |
535 | << " " << dst_name | |
536 | << "rc " << rc | |
537 | << dendl; | |
538 | goto unlock; | |
539 | } | |
540 | ldout(get_context(), 12) | |
541 | << __func__ | |
542 | << " rename step 0 success src=" | |
543 | << src_fh->full_object_name() << " " << src_name | |
544 | << " dst=" << dst_fh->full_object_name() | |
545 | << " " << dst_name | |
546 | << " rc " << rc | |
547 | << dendl; | |
548 | /* update dst change id */ | |
549 | dst_fh->set_times(t); | |
550 | } | |
551 | break; | |
552 | case 1: | |
553 | { | |
554 | rc = this->unlink(rgw_fh /* LOCKED */, _src_name, | |
555 | RGWFileHandle::FLAG_UNLINK_THIS); | |
556 | /* !LOCKED, -ref */ | |
557 | if (! rc) { | |
558 | ldout(get_context(), 12) | |
559 | << __func__ | |
560 | << " rename step 1 success src=" | |
561 | << src_fh->full_object_name() << " " << src_name | |
562 | << " dst=" << dst_fh->full_object_name() | |
563 | << " " << dst_name | |
564 | << " rc " << rc | |
565 | << dendl; | |
566 | /* update src change id */ | |
567 | src_fh->set_times(t); | |
568 | } else { | |
569 | ldout(get_context(), 1) | |
570 | << __func__ | |
571 | << " rename step 1 failed src=" | |
572 | << src_fh->full_object_name() << " " << src_name | |
573 | << " dst=" << dst_fh->full_object_name() | |
574 | << " " << dst_name | |
575 | << " rc " << rc | |
576 | << dendl; | |
577 | } | |
578 | } | |
579 | goto out; | |
580 | default: | |
11fdf7f2 | 581 | ceph_abort(); |
7c673cae FG |
582 | } /* switch */ |
583 | } /* ix */ | |
584 | unlock: | |
585 | rgw_fh->mtx.unlock(); /* !LOCKED */ | |
586 | unref(rgw_fh); /* -ref */ | |
587 | ||
588 | out: | |
589 | return rc; | |
590 | } /* RGWLibFS::rename */ | |
591 | ||
592 | MkObjResult RGWLibFS::mkdir(RGWFileHandle* parent, const char *name, | |
593 | struct stat *st, uint32_t mask, uint32_t flags) | |
594 | { | |
7c673cae | 595 | int rc, rc2; |
31f18b77 FG |
596 | rgw_file_handle *lfh; |
597 | ||
598 | rc = rgw_lookup(get_fs(), parent->get_fh(), name, &lfh, | |
eafe8130 | 599 | nullptr /* st */, 0 /* mask */, |
31f18b77 FG |
600 | RGW_LOOKUP_FLAG_NONE); |
601 | if (! rc) { | |
602 | /* conflict! */ | |
603 | rc = rgw_fh_rele(get_fs(), lfh, RGW_FH_RELE_FLAG_NONE); | |
f67539c2 | 604 | // ignore return code |
31f18b77 FG |
605 | return MkObjResult{nullptr, -EEXIST}; |
606 | } | |
7c673cae | 607 | |
31f18b77 | 608 | MkObjResult mkr{nullptr, -EINVAL}; |
7c673cae FG |
609 | LookupFHResult fhr; |
610 | RGWFileHandle* rgw_fh = nullptr; | |
611 | buffer::list ux_key, ux_attrs; | |
612 | ||
613 | fhr = lookup_fh(parent, name, | |
614 | RGWFileHandle::FLAG_CREATE| | |
615 | RGWFileHandle::FLAG_DIRECTORY| | |
616 | RGWFileHandle::FLAG_LOCK); | |
617 | rgw_fh = get<0>(fhr); | |
618 | if (rgw_fh) { | |
619 | rgw_fh->create_stat(st, mask); | |
620 | rgw_fh->set_times(real_clock::now()); | |
621 | /* save attrs */ | |
622 | rgw_fh->encode_attrs(ux_key, ux_attrs); | |
623 | if (st) | |
494da23a | 624 | rgw_fh->stat(st, RGWFileHandle::FLAG_LOCKED); |
7c673cae FG |
625 | get<0>(mkr) = rgw_fh; |
626 | } else { | |
627 | get<1>(mkr) = -EIO; | |
628 | return mkr; | |
629 | } | |
630 | ||
631 | if (parent->is_root()) { | |
632 | /* bucket */ | |
633 | string bname{name}; | |
634 | /* enforce S3 name restrictions */ | |
635 | rc = valid_fs_bucket_name(bname); | |
636 | if (rc != 0) { | |
637 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
638 | fh_cache.remove(rgw_fh->fh.fh_hk.object, rgw_fh, | |
639 | RGWFileHandle::FHCache::FLAG_LOCK); | |
640 | rgw_fh->mtx.unlock(); | |
641 | unref(rgw_fh); | |
642 | get<0>(mkr) = nullptr; | |
643 | get<1>(mkr) = rc; | |
644 | return mkr; | |
645 | } | |
646 | ||
f67539c2 TL |
647 | RGWCreateBucketRequest req(get_context(), |
648 | rgwlib.get_store()->get_user(user.user_id), bname); | |
7c673cae FG |
649 | |
650 | /* save attrs */ | |
651 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
652 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
653 | ||
654 | rc = rgwlib.get_fe()->execute_req(&req); | |
655 | rc2 = req.get_ret(); | |
656 | } else { | |
657 | /* create an object representing the directory */ | |
658 | buffer::list bl; | |
31f18b77 | 659 | string dir_name = parent->format_child_name(name, true); |
7c673cae FG |
660 | |
661 | /* need valid S3 name (characters, length <= 1024, etc) */ | |
662 | rc = valid_fs_object_name(dir_name); | |
663 | if (rc != 0) { | |
664 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
665 | fh_cache.remove(rgw_fh->fh.fh_hk.object, rgw_fh, | |
666 | RGWFileHandle::FHCache::FLAG_LOCK); | |
667 | rgw_fh->mtx.unlock(); | |
668 | unref(rgw_fh); | |
669 | get<0>(mkr) = nullptr; | |
670 | get<1>(mkr) = rc; | |
671 | return mkr; | |
672 | } | |
673 | ||
f67539c2 TL |
674 | RGWPutObjRequest req(get_context(), rgwlib.get_store()->get_user(user.user_id), |
675 | parent->bucket_name(), dir_name, bl); | |
7c673cae FG |
676 | |
677 | /* save attrs */ | |
678 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
679 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
680 | ||
681 | rc = rgwlib.get_fe()->execute_req(&req); | |
682 | rc2 = req.get_ret(); | |
683 | } | |
684 | ||
685 | if (! ((rc == 0) && | |
686 | (rc2 == 0))) { | |
687 | /* op failed */ | |
688 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
689 | rgw_fh->mtx.unlock(); /* !LOCKED */ | |
690 | unref(rgw_fh); | |
691 | get<0>(mkr) = nullptr; | |
692 | /* fixup rc */ | |
693 | if (!rc) | |
694 | rc = rc2; | |
695 | } else { | |
696 | real_time t = real_clock::now(); | |
697 | parent->set_mtime(real_clock::to_timespec(t)); | |
698 | parent->set_ctime(real_clock::to_timespec(t)); | |
699 | rgw_fh->mtx.unlock(); /* !LOCKED */ | |
700 | } | |
701 | ||
702 | get<1>(mkr) = rc; | |
703 | ||
704 | return mkr; | |
705 | } /* RGWLibFS::mkdir */ | |
706 | ||
707 | MkObjResult RGWLibFS::create(RGWFileHandle* parent, const char *name, | |
708 | struct stat *st, uint32_t mask, uint32_t flags) | |
709 | { | |
710 | int rc, rc2; | |
711 | ||
712 | using std::get; | |
713 | ||
714 | rgw_file_handle *lfh; | |
715 | rc = rgw_lookup(get_fs(), parent->get_fh(), name, &lfh, | |
eafe8130 | 716 | nullptr /* st */, 0 /* mask */, |
7c673cae FG |
717 | RGW_LOOKUP_FLAG_NONE); |
718 | if (! rc) { | |
719 | /* conflict! */ | |
720 | rc = rgw_fh_rele(get_fs(), lfh, RGW_FH_RELE_FLAG_NONE); | |
f67539c2 | 721 | // ignore return code |
7c673cae FG |
722 | return MkObjResult{nullptr, -EEXIST}; |
723 | } | |
724 | ||
725 | /* expand and check name */ | |
31f18b77 | 726 | std::string obj_name = parent->format_child_name(name, false); |
7c673cae FG |
727 | rc = valid_fs_object_name(obj_name); |
728 | if (rc != 0) { | |
729 | return MkObjResult{nullptr, rc}; | |
730 | } | |
731 | ||
732 | /* create it */ | |
733 | buffer::list bl; | |
f67539c2 TL |
734 | RGWPutObjRequest req(cct, rgwlib.get_store()->get_user(user.user_id), |
735 | parent->bucket_name(), obj_name, bl); | |
7c673cae FG |
736 | MkObjResult mkr{nullptr, -EINVAL}; |
737 | ||
738 | rc = rgwlib.get_fe()->execute_req(&req); | |
739 | rc2 = req.get_ret(); | |
740 | ||
741 | if ((rc == 0) && | |
742 | (rc2 == 0)) { | |
743 | /* XXX atomicity */ | |
744 | LookupFHResult fhr = lookup_fh(parent, name, RGWFileHandle::FLAG_CREATE | | |
745 | RGWFileHandle::FLAG_LOCK); | |
746 | RGWFileHandle* rgw_fh = get<0>(fhr); | |
747 | if (rgw_fh) { | |
748 | if (get<1>(fhr) & RGWFileHandle::FLAG_CREATE) { | |
749 | /* fill in stat data */ | |
750 | real_time t = real_clock::now(); | |
751 | rgw_fh->create_stat(st, mask); | |
752 | rgw_fh->set_times(t); | |
753 | ||
754 | parent->set_mtime(real_clock::to_timespec(t)); | |
755 | parent->set_ctime(real_clock::to_timespec(t)); | |
756 | } | |
757 | if (st) | |
494da23a | 758 | (void) rgw_fh->stat(st, RGWFileHandle::FLAG_LOCKED); |
81eedcae TL |
759 | |
760 | rgw_fh->set_etag(*(req.get_attr(RGW_ATTR_ETAG))); | |
761 | rgw_fh->set_acls(*(req.get_attr(RGW_ATTR_ACL))); | |
762 | ||
7c673cae FG |
763 | get<0>(mkr) = rgw_fh; |
764 | rgw_fh->mtx.unlock(); | |
765 | } else | |
766 | rc = -EIO; | |
767 | } | |
768 | ||
769 | get<1>(mkr) = rc; | |
11fdf7f2 TL |
770 | |
771 | /* case like : quota exceed will be considered as fail too*/ | |
772 | if(rc2 < 0) | |
773 | get<1>(mkr) = rc2; | |
7c673cae FG |
774 | |
775 | return mkr; | |
776 | } /* RGWLibFS::create */ | |
777 | ||
11fdf7f2 TL |
778 | MkObjResult RGWLibFS::symlink(RGWFileHandle* parent, const char *name, |
779 | const char* link_path, struct stat *st, uint32_t mask, uint32_t flags) | |
780 | { | |
781 | int rc, rc2; | |
782 | ||
783 | using std::get; | |
784 | ||
785 | rgw_file_handle *lfh; | |
eafe8130 TL |
786 | rc = rgw_lookup(get_fs(), parent->get_fh(), name, &lfh, |
787 | nullptr /* st */, 0 /* mask */, | |
11fdf7f2 TL |
788 | RGW_LOOKUP_FLAG_NONE); |
789 | if (! rc) { | |
790 | /* conflict! */ | |
791 | rc = rgw_fh_rele(get_fs(), lfh, RGW_FH_RELE_FLAG_NONE); | |
f67539c2 | 792 | // ignore return code |
11fdf7f2 TL |
793 | return MkObjResult{nullptr, -EEXIST}; |
794 | } | |
795 | ||
796 | MkObjResult mkr{nullptr, -EINVAL}; | |
797 | LookupFHResult fhr; | |
798 | RGWFileHandle* rgw_fh = nullptr; | |
799 | buffer::list ux_key, ux_attrs; | |
800 | ||
801 | fhr = lookup_fh(parent, name, | |
802 | RGWFileHandle::FLAG_CREATE| | |
803 | RGWFileHandle::FLAG_SYMBOLIC_LINK| | |
804 | RGWFileHandle::FLAG_LOCK); | |
805 | rgw_fh = get<0>(fhr); | |
806 | if (rgw_fh) { | |
807 | rgw_fh->create_stat(st, mask); | |
808 | rgw_fh->set_times(real_clock::now()); | |
809 | /* save attrs */ | |
810 | rgw_fh->encode_attrs(ux_key, ux_attrs); | |
811 | if (st) | |
812 | rgw_fh->stat(st); | |
813 | get<0>(mkr) = rgw_fh; | |
814 | } else { | |
815 | get<1>(mkr) = -EIO; | |
816 | return mkr; | |
817 | } | |
818 | ||
819 | /* need valid S3 name (characters, length <= 1024, etc) */ | |
820 | rc = valid_fs_object_name(name); | |
821 | if (rc != 0) { | |
822 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
823 | fh_cache.remove(rgw_fh->fh.fh_hk.object, rgw_fh, | |
824 | RGWFileHandle::FHCache::FLAG_LOCK); | |
825 | rgw_fh->mtx.unlock(); | |
826 | unref(rgw_fh); | |
827 | get<0>(mkr) = nullptr; | |
828 | get<1>(mkr) = rc; | |
829 | return mkr; | |
830 | } | |
831 | ||
832 | string obj_name = std::string(name); | |
833 | /* create an object representing the directory */ | |
834 | buffer::list bl; | |
835 | ||
836 | /* XXXX */ | |
837 | #if 0 | |
838 | bl.push_back( | |
839 | buffer::create_static(len, static_cast<char*>(buffer))); | |
840 | #else | |
841 | ||
842 | bl.push_back( | |
843 | buffer::copy(link_path, strlen(link_path))); | |
844 | #endif | |
845 | ||
f67539c2 TL |
846 | RGWPutObjRequest req(get_context(), rgwlib.get_store()->get_user(user.user_id), |
847 | parent->bucket_name(), obj_name, bl); | |
11fdf7f2 TL |
848 | |
849 | /* save attrs */ | |
850 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
851 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
852 | ||
853 | rc = rgwlib.get_fe()->execute_req(&req); | |
854 | rc2 = req.get_ret(); | |
855 | if (! ((rc == 0) && | |
856 | (rc2 == 0))) { | |
857 | /* op failed */ | |
858 | rgw_fh->flags |= RGWFileHandle::FLAG_DELETED; | |
859 | rgw_fh->mtx.unlock(); /* !LOCKED */ | |
860 | unref(rgw_fh); | |
861 | get<0>(mkr) = nullptr; | |
862 | /* fixup rc */ | |
863 | if (!rc) | |
864 | rc = rc2; | |
865 | } else { | |
866 | real_time t = real_clock::now(); | |
867 | parent->set_mtime(real_clock::to_timespec(t)); | |
868 | parent->set_ctime(real_clock::to_timespec(t)); | |
869 | rgw_fh->mtx.unlock(); /* !LOCKED */ | |
870 | } | |
871 | ||
872 | get<1>(mkr) = rc; | |
873 | ||
874 | return mkr; | |
875 | } /* RGWLibFS::symlink */ | |
876 | ||
7c673cae FG |
877 | int RGWLibFS::getattr(RGWFileHandle* rgw_fh, struct stat* st) |
878 | { | |
879 | switch(rgw_fh->fh.fh_type) { | |
880 | case RGW_FS_TYPE_FILE: | |
881 | { | |
882 | if (rgw_fh->deleted()) | |
883 | return -ESTALE; | |
884 | } | |
885 | break; | |
886 | default: | |
887 | break; | |
888 | }; | |
494da23a | 889 | /* if rgw_fh is a directory, mtime will be advanced */ |
7c673cae FG |
890 | return rgw_fh->stat(st); |
891 | } /* RGWLibFS::getattr */ | |
892 | ||
893 | int RGWLibFS::setattr(RGWFileHandle* rgw_fh, struct stat* st, uint32_t mask, | |
894 | uint32_t flags) | |
895 | { | |
896 | int rc, rc2; | |
897 | buffer::list ux_key, ux_attrs; | |
81eedcae TL |
898 | buffer::list etag = rgw_fh->get_etag(); |
899 | buffer::list acls = rgw_fh->get_acls(); | |
7c673cae FG |
900 | |
901 | lock_guard guard(rgw_fh->mtx); | |
902 | ||
903 | switch(rgw_fh->fh.fh_type) { | |
904 | case RGW_FS_TYPE_FILE: | |
905 | { | |
906 | if (rgw_fh->deleted()) | |
907 | return -ESTALE; | |
908 | } | |
909 | break; | |
910 | default: | |
911 | break; | |
912 | }; | |
913 | ||
914 | string obj_name{rgw_fh->relative_object_name()}; | |
915 | ||
31f18b77 FG |
916 | if (rgw_fh->is_dir() && |
917 | (likely(! rgw_fh->is_bucket()))) { | |
7c673cae FG |
918 | obj_name += "/"; |
919 | } | |
920 | ||
f67539c2 TL |
921 | RGWSetAttrsRequest req(cct, rgwlib.get_store()->get_user(user.user_id), |
922 | rgw_fh->bucket_name(), obj_name); | |
7c673cae FG |
923 | |
924 | rgw_fh->create_stat(st, mask); | |
925 | rgw_fh->encode_attrs(ux_key, ux_attrs); | |
926 | ||
927 | /* save attrs */ | |
928 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
929 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
81eedcae TL |
930 | req.emplace_attr(RGW_ATTR_ETAG, std::move(etag)); |
931 | req.emplace_attr(RGW_ATTR_ACL, std::move(acls)); | |
7c673cae FG |
932 | |
933 | rc = rgwlib.get_fe()->execute_req(&req); | |
934 | rc2 = req.get_ret(); | |
935 | ||
936 | if (rc == -ENOENT) { | |
937 | /* special case: materialize placeholder dir */ | |
938 | buffer::list bl; | |
f67539c2 | 939 | RGWPutObjRequest req(get_context(), rgwlib.get_store()->get_user(user.user_id), rgw_fh->bucket_name(), |
7c673cae FG |
940 | obj_name, bl); |
941 | ||
942 | rgw_fh->encode_attrs(ux_key, ux_attrs); /* because std::moved */ | |
943 | ||
944 | /* save attrs */ | |
945 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
946 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
947 | ||
948 | rc = rgwlib.get_fe()->execute_req(&req); | |
949 | rc2 = req.get_ret(); | |
950 | } | |
951 | ||
952 | if ((rc != 0) || (rc2 != 0)) { | |
953 | return -EIO; | |
954 | } | |
955 | ||
956 | rgw_fh->set_ctime(real_clock::to_timespec(real_clock::now())); | |
957 | ||
958 | return 0; | |
959 | } /* RGWLibFS::setattr */ | |
960 | ||
f67539c2 TL |
961 | static inline std::string prefix_xattr_keystr(const rgw_xattrstr& key) { |
962 | std::string keystr; | |
963 | keystr.reserve(sizeof(RGW_ATTR_META_PREFIX) + key.len); | |
964 | keystr += {RGW_ATTR_META_PREFIX}; | |
965 | keystr += string{key.val, key.len}; | |
966 | return keystr; | |
967 | } | |
968 | ||
969 | static inline std::string_view unprefix_xattr_keystr(const std::string& key) | |
970 | { | |
971 | std::string_view svk{key}; | |
972 | auto pos = svk.find(RGW_ATTR_META_PREFIX); | |
973 | if (pos == std::string_view::npos) { | |
974 | return std::string_view{""}; | |
975 | } else if (pos == 0) { | |
976 | svk.remove_prefix(sizeof(RGW_ATTR_META_PREFIX)-1); | |
977 | } | |
978 | return svk; | |
979 | } | |
980 | ||
981 | int RGWLibFS::getxattrs(RGWFileHandle* rgw_fh, rgw_xattrlist *attrs, | |
982 | rgw_getxattr_cb cb, void *cb_arg, | |
983 | uint32_t flags) | |
984 | { | |
985 | /* cannot store on fs_root, should not on buckets? */ | |
986 | if ((rgw_fh->is_bucket()) || | |
987 | (rgw_fh->is_root())) { | |
988 | return -EINVAL; | |
989 | } | |
990 | ||
991 | int rc, rc2, rc3; | |
992 | string obj_name{rgw_fh->relative_object_name2()}; | |
993 | ||
994 | RGWGetAttrsRequest req(cct, rgwlib.get_store()->get_user(user.user_id), | |
995 | rgw_fh->bucket_name(), obj_name); | |
996 | ||
997 | for (uint32_t ix = 0; ix < attrs->xattr_cnt; ++ix) { | |
998 | auto& xattr = attrs->xattrs[ix]; | |
999 | ||
1000 | /* pass exposed attr keys as given, else prefix */ | |
1001 | std::string k = is_exposed_attr(xattr.key) | |
1002 | ? std::string{xattr.key.val, xattr.key.len} | |
1003 | : prefix_xattr_keystr(xattr.key); | |
1004 | ||
1005 | req.emplace_key(std::move(k)); | |
1006 | } | |
1007 | ||
1008 | if (ldlog_p1(get_context(), ceph_subsys_rgw, 15)) { | |
1009 | lsubdout(get_context(), rgw, 15) | |
1010 | << __func__ | |
1011 | << " get keys for: " | |
1012 | << rgw_fh->object_name() | |
1013 | << " keys:" | |
1014 | << dendl; | |
1015 | for (const auto& attr: req.get_attrs()) { | |
1016 | lsubdout(get_context(), rgw, 15) | |
1017 | << "\tkey: " << attr.first << dendl; | |
1018 | } | |
1019 | } | |
1020 | ||
1021 | rc = rgwlib.get_fe()->execute_req(&req); | |
1022 | rc2 = req.get_ret(); | |
1023 | rc3 = ((rc == 0) && (rc2 == 0)) ? 0 : -EIO; | |
1024 | ||
1025 | /* call back w/xattr data */ | |
1026 | if (rc3 == 0) { | |
1027 | const auto& attrs = req.get_attrs(); | |
1028 | for (const auto& attr : attrs) { | |
1029 | ||
1030 | if (!attr.second.has_value()) | |
1031 | continue; | |
1032 | ||
1033 | const auto& k = attr.first; | |
1034 | const auto& v = attr.second.value(); | |
1035 | ||
1036 | /* return exposed attr keys as given, else unprefix -- | |
1037 | * yes, we could have memoized the exposed check, but | |
1038 | * to be efficient it would need to be saved with | |
1039 | * RGWGetAttrs::attrs, I think */ | |
1040 | std::string_view svk = | |
1041 | is_exposed_attr(rgw_xattrstr{const_cast<char*>(k.c_str()), | |
1042 | uint32_t(k.length())}) | |
1043 | ? k | |
1044 | : unprefix_xattr_keystr(k); | |
1045 | ||
1046 | /* skip entries not matching prefix */ | |
1047 | if (svk.empty()) | |
1048 | continue; | |
1049 | ||
1050 | rgw_xattrstr xattr_k = { const_cast<char*>(svk.data()), | |
1051 | uint32_t(svk.length())}; | |
1052 | rgw_xattrstr xattr_v = | |
1053 | {const_cast<char*>(const_cast<buffer::list&>(v).c_str()), | |
1054 | uint32_t(v.length())}; | |
1055 | rgw_xattr xattr = { xattr_k, xattr_v }; | |
1056 | rgw_xattrlist xattrlist = { &xattr, 1 }; | |
1057 | ||
1058 | cb(&xattrlist, cb_arg, RGW_GETXATTR_FLAG_NONE); | |
1059 | } | |
1060 | } | |
1061 | ||
1062 | return rc3; | |
1063 | } /* RGWLibFS::getxattrs */ | |
1064 | ||
1065 | int RGWLibFS::lsxattrs( | |
1066 | RGWFileHandle* rgw_fh, rgw_xattrstr *filter_prefix, rgw_getxattr_cb cb, | |
1067 | void *cb_arg, uint32_t flags) | |
1068 | { | |
1069 | /* cannot store on fs_root, should not on buckets? */ | |
1070 | if ((rgw_fh->is_bucket()) || | |
1071 | (rgw_fh->is_root())) { | |
1072 | return -EINVAL; | |
1073 | } | |
1074 | ||
1075 | int rc, rc2, rc3; | |
1076 | string obj_name{rgw_fh->relative_object_name2()}; | |
1077 | ||
1078 | RGWGetAttrsRequest req(cct, rgwlib.get_store()->get_user(user.user_id), | |
1079 | rgw_fh->bucket_name(), obj_name); | |
1080 | ||
1081 | rc = rgwlib.get_fe()->execute_req(&req); | |
1082 | rc2 = req.get_ret(); | |
1083 | rc3 = ((rc == 0) && (rc2 == 0)) ? 0 : -EIO; | |
1084 | ||
1085 | /* call back w/xattr data--check for eof */ | |
1086 | if (rc3 == 0) { | |
1087 | const auto& keys = req.get_attrs(); | |
1088 | for (const auto& k : keys) { | |
1089 | ||
1090 | /* return exposed attr keys as given, else unprefix */ | |
1091 | std::string_view svk = | |
1092 | is_exposed_attr(rgw_xattrstr{const_cast<char*>(k.first.c_str()), | |
1093 | uint32_t(k.first.length())}) | |
1094 | ? k.first | |
1095 | : unprefix_xattr_keystr(k.first); | |
1096 | ||
1097 | /* skip entries not matching prefix */ | |
1098 | if (svk.empty()) | |
1099 | continue; | |
1100 | ||
1101 | rgw_xattrstr xattr_k = { const_cast<char*>(svk.data()), | |
1102 | uint32_t(svk.length())}; | |
1103 | rgw_xattrstr xattr_v = { nullptr, 0 }; | |
1104 | rgw_xattr xattr = { xattr_k, xattr_v }; | |
1105 | rgw_xattrlist xattrlist = { &xattr, 1 }; | |
1106 | ||
1107 | auto cbr = cb(&xattrlist, cb_arg, RGW_LSXATTR_FLAG_NONE); | |
1108 | if (cbr & RGW_LSXATTR_FLAG_STOP) | |
1109 | break; | |
1110 | } | |
1111 | } | |
1112 | ||
1113 | return rc3; | |
1114 | } /* RGWLibFS::lsxattrs */ | |
1115 | ||
1116 | int RGWLibFS::setxattrs(RGWFileHandle* rgw_fh, rgw_xattrlist *attrs, | |
1117 | uint32_t flags) | |
1118 | { | |
1119 | /* cannot store on fs_root, should not on buckets? */ | |
1120 | if ((rgw_fh->is_bucket()) || | |
1121 | (rgw_fh->is_root())) { | |
1122 | return -EINVAL; | |
1123 | } | |
1124 | ||
1125 | int rc, rc2; | |
1126 | string obj_name{rgw_fh->relative_object_name2()}; | |
1127 | ||
1128 | RGWSetAttrsRequest req(cct, rgwlib.get_store()->get_user(user.user_id), | |
1129 | rgw_fh->bucket_name(), obj_name); | |
1130 | ||
1131 | for (uint32_t ix = 0; ix < attrs->xattr_cnt; ++ix) { | |
1132 | auto& xattr = attrs->xattrs[ix]; | |
1133 | buffer::list attr_bl; | |
1134 | /* don't allow storing at RGW_ATTR_META_PREFIX */ | |
1135 | if (! (xattr.key.len > 0)) | |
1136 | continue; | |
1137 | ||
1138 | /* reject lexical match with any exposed attr */ | |
1139 | if (is_exposed_attr(xattr.key)) | |
1140 | continue; | |
1141 | ||
1142 | string k = prefix_xattr_keystr(xattr.key); | |
1143 | attr_bl.append(xattr.val.val, xattr.val.len); | |
1144 | req.emplace_attr(k.c_str(), std::move(attr_bl)); | |
1145 | } | |
1146 | ||
1147 | /* don't send null requests */ | |
1148 | if (! (req.get_attrs().size() > 0)) { | |
1149 | return -EINVAL; | |
1150 | } | |
1151 | ||
1152 | rc = rgwlib.get_fe()->execute_req(&req); | |
1153 | rc2 = req.get_ret(); | |
1154 | ||
1155 | return (((rc == 0) && (rc2 == 0)) ? 0 : -EIO); | |
1156 | ||
1157 | } /* RGWLibFS::setxattrs */ | |
1158 | ||
1159 | int RGWLibFS::rmxattrs(RGWFileHandle* rgw_fh, rgw_xattrlist* attrs, | |
1160 | uint32_t flags) | |
1161 | { | |
1162 | /* cannot store on fs_root, should not on buckets? */ | |
1163 | if ((rgw_fh->is_bucket()) || | |
1164 | (rgw_fh->is_root())) { | |
1165 | return -EINVAL; | |
1166 | } | |
1167 | ||
1168 | int rc, rc2; | |
1169 | string obj_name{rgw_fh->relative_object_name2()}; | |
1170 | ||
1171 | RGWRMAttrsRequest req(cct, rgwlib.get_store()->get_user(user.user_id), | |
1172 | rgw_fh->bucket_name(), obj_name); | |
1173 | ||
1174 | for (uint32_t ix = 0; ix < attrs->xattr_cnt; ++ix) { | |
1175 | auto& xattr = attrs->xattrs[ix]; | |
1176 | /* don't allow storing at RGW_ATTR_META_PREFIX */ | |
1177 | if (! (xattr.key.len > 0)) { | |
1178 | continue; | |
1179 | } | |
1180 | string k = prefix_xattr_keystr(xattr.key); | |
1181 | req.emplace_key(std::move(k)); | |
1182 | } | |
1183 | ||
1184 | /* don't send null requests */ | |
1185 | if (! (req.get_attrs().size() > 0)) { | |
1186 | return -EINVAL; | |
1187 | } | |
1188 | ||
1189 | rc = rgwlib.get_fe()->execute_req(&req); | |
1190 | rc2 = req.get_ret(); | |
1191 | ||
1192 | return (((rc == 0) && (rc2 == 0)) ? 0 : -EIO); | |
1193 | ||
1194 | } /* RGWLibFS::rmxattrs */ | |
1195 | ||
1196 | /* called with rgw_fh->mtx held */ | |
3efd9988 | 1197 | void RGWLibFS::update_fh(RGWFileHandle *rgw_fh) |
224ce89b WB |
1198 | { |
1199 | int rc, rc2; | |
1200 | string obj_name{rgw_fh->relative_object_name()}; | |
1201 | buffer::list ux_key, ux_attrs; | |
1202 | ||
1203 | if (rgw_fh->is_dir() && | |
1204 | (likely(! rgw_fh->is_bucket()))) { | |
1205 | obj_name += "/"; | |
1206 | } | |
1207 | ||
1208 | lsubdout(get_context(), rgw, 17) | |
1209 | << __func__ | |
3efd9988 | 1210 | << " update old versioned fh : " << obj_name |
224ce89b WB |
1211 | << dendl; |
1212 | ||
f67539c2 TL |
1213 | RGWSetAttrsRequest req(cct, rgwlib.get_store()->get_user(user.user_id), |
1214 | rgw_fh->bucket_name(), obj_name); | |
224ce89b WB |
1215 | |
1216 | rgw_fh->encode_attrs(ux_key, ux_attrs); | |
1217 | ||
224ce89b | 1218 | req.emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); |
3efd9988 | 1219 | req.emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); |
224ce89b WB |
1220 | |
1221 | rc = rgwlib.get_fe()->execute_req(&req); | |
1222 | rc2 = req.get_ret(); | |
1223 | ||
1224 | if ((rc != 0) || (rc2 != 0)) { | |
1225 | lsubdout(get_context(), rgw, 17) | |
1226 | << __func__ | |
3efd9988 | 1227 | << " update fh failed : " << obj_name |
224ce89b WB |
1228 | << dendl; |
1229 | } | |
3efd9988 | 1230 | } /* RGWLibFS::update_fh */ |
224ce89b | 1231 | |
7c673cae FG |
1232 | void RGWLibFS::close() |
1233 | { | |
1234 | state.flags |= FLAG_CLOSED; | |
1235 | ||
1236 | class ObjUnref | |
1237 | { | |
1238 | RGWLibFS* fs; | |
1239 | public: | |
11fdf7f2 | 1240 | explicit ObjUnref(RGWLibFS* _fs) : fs(_fs) {} |
7c673cae FG |
1241 | void operator()(RGWFileHandle* fh) const { |
1242 | lsubdout(fs->get_context(), rgw, 5) | |
f67539c2 | 1243 | << __PRETTY_FUNCTION__ |
7c673cae FG |
1244 | << fh->name |
1245 | << " before ObjUnref refs=" << fh->get_refcnt() | |
1246 | << dendl; | |
31f18b77 | 1247 | fs->unref(fh); |
7c673cae FG |
1248 | } |
1249 | }; | |
1250 | ||
1251 | /* force cache drain, forces objects to evict */ | |
1252 | fh_cache.drain(ObjUnref(this), | |
1253 | RGWFileHandle::FHCache::FLAG_LOCK); | |
1254 | rgwlib.get_fe()->get_process()->unregister_fs(this); | |
1255 | rele(); | |
1256 | } /* RGWLibFS::close */ | |
1257 | ||
494da23a TL |
1258 | inline std::ostream& operator<<(std::ostream &os, fh_key const &fhk) { |
1259 | os << "<fh_key: bucket="; | |
1260 | os << fhk.fh_hk.bucket; | |
1261 | os << "; object="; | |
1262 | os << fhk.fh_hk.object; | |
1263 | os << ">"; | |
1264 | return os; | |
1265 | } | |
1266 | ||
7c673cae FG |
1267 | inline std::ostream& operator<<(std::ostream &os, struct timespec const &ts) { |
1268 | os << "<timespec: tv_sec="; | |
1269 | os << ts.tv_sec; | |
1270 | os << "; tv_nsec="; | |
1271 | os << ts.tv_nsec; | |
1272 | os << ">"; | |
1273 | return os; | |
1274 | } | |
1275 | ||
1276 | std::ostream& operator<<(std::ostream &os, RGWLibFS::event const &ev) { | |
1277 | os << "<event:"; | |
1278 | switch (ev.t) { | |
1279 | case RGWLibFS::event::type::READDIR: | |
1280 | os << "type=READDIR;"; | |
1281 | break; | |
1282 | default: | |
1283 | os << "type=UNKNOWN;"; | |
1284 | break; | |
1285 | }; | |
1286 | os << "fid=" << ev.fhk.fh_hk.bucket << ":" << ev.fhk.fh_hk.object | |
1287 | << ";ts=" << ev.ts << ">"; | |
1288 | return os; | |
1289 | } | |
1290 | ||
1291 | void RGWLibFS::gc() | |
1292 | { | |
1293 | using std::get; | |
1294 | using directory = RGWFileHandle::directory; | |
1295 | ||
1296 | /* dirent invalidate timeout--basically, the upper-bound on | |
1297 | * inconsistency with the S3 namespace */ | |
1298 | auto expire_s | |
1299 | = get_context()->_conf->rgw_nfs_namespace_expire_secs; | |
1300 | ||
1301 | /* max events to gc in one cycle */ | |
c07f9fc5 | 1302 | uint32_t max_ev = get_context()->_conf->rgw_nfs_max_gc; |
7c673cae FG |
1303 | |
1304 | struct timespec now, expire_ts; | |
1305 | event_vector ve; | |
1306 | bool stop = false; | |
1307 | std::deque<event> &events = state.events; | |
1308 | ||
1309 | do { | |
1310 | (void) clock_gettime(CLOCK_MONOTONIC_COARSE, &now); | |
1311 | lsubdout(get_context(), rgw, 15) | |
1312 | << "GC: top of expire loop" | |
1313 | << " now=" << now | |
1314 | << " expire_s=" << expire_s | |
1315 | << dendl; | |
1316 | { | |
1317 | lock_guard guard(state.mtx); /* LOCKED */ | |
494da23a TL |
1318 | lsubdout(get_context(), rgw, 15) |
1319 | << "GC: processing" | |
1320 | << " count=" << events.size() | |
1321 | << " events" | |
1322 | << dendl; | |
1323 | /* just return if no events */ | |
7c673cae FG |
1324 | if (events.empty()) { |
1325 | return; | |
1326 | } | |
1327 | uint32_t _max_ev = | |
1328 | (events.size() < 500) ? max_ev : (events.size() / 4); | |
1329 | for (uint32_t ix = 0; (ix < _max_ev) && (events.size() > 0); ++ix) { | |
1330 | event& ev = events.front(); | |
1331 | expire_ts = ev.ts; | |
1332 | expire_ts.tv_sec += expire_s; | |
1333 | if (expire_ts > now) { | |
1334 | stop = true; | |
1335 | break; | |
1336 | } | |
1337 | ve.push_back(ev); | |
1338 | events.pop_front(); | |
1339 | } | |
1340 | } /* anon */ | |
1341 | /* !LOCKED */ | |
1342 | for (auto& ev : ve) { | |
1343 | lsubdout(get_context(), rgw, 15) | |
1344 | << "try-expire ev: " << ev << dendl; | |
1345 | if (likely(ev.t == event::type::READDIR)) { | |
1346 | RGWFileHandle* rgw_fh = lookup_handle(ev.fhk.fh_hk); | |
1347 | lsubdout(get_context(), rgw, 15) | |
1348 | << "ev rgw_fh: " << rgw_fh << dendl; | |
1349 | if (rgw_fh) { | |
1350 | RGWFileHandle::directory* d; | |
1351 | if (unlikely(! rgw_fh->is_dir())) { | |
1352 | lsubdout(get_context(), rgw, 0) | |
1353 | << __func__ | |
1354 | << " BUG non-directory found with READDIR event " | |
1355 | << "(" << rgw_fh->bucket_name() << "," | |
1356 | << rgw_fh->object_name() << ")" | |
1357 | << dendl; | |
1358 | goto rele; | |
1359 | } | |
1360 | /* maybe clear state */ | |
1361 | d = get<directory>(&rgw_fh->variant_type); | |
1362 | if (d) { | |
1363 | struct timespec ev_ts = ev.ts; | |
1364 | lock_guard guard(rgw_fh->mtx); | |
1365 | struct timespec d_last_readdir = d->last_readdir; | |
1366 | if (unlikely(ev_ts < d_last_readdir)) { | |
1367 | /* readdir cycle in progress, don't invalidate */ | |
1368 | lsubdout(get_context(), rgw, 15) | |
1369 | << "GC: delay expiration for " | |
1370 | << rgw_fh->object_name() | |
1371 | << " ev.ts=" << ev_ts | |
1372 | << " last_readdir=" << d_last_readdir | |
1373 | << dendl; | |
1374 | continue; | |
1375 | } else { | |
1376 | lsubdout(get_context(), rgw, 15) | |
1377 | << "GC: expiring " | |
1378 | << rgw_fh->object_name() | |
1379 | << dendl; | |
1380 | rgw_fh->clear_state(); | |
1381 | rgw_fh->invalidate(); | |
1382 | } | |
1383 | } | |
1384 | rele: | |
1385 | unref(rgw_fh); | |
1386 | } /* rgw_fh */ | |
1387 | } /* event::type::READDIR */ | |
1388 | } /* ev */ | |
1389 | ve.clear(); | |
1390 | } while (! (stop || shutdown)); | |
1391 | } /* RGWLibFS::gc */ | |
1392 | ||
1393 | std::ostream& operator<<(std::ostream &os, | |
1394 | RGWFileHandle const &rgw_fh) | |
1395 | { | |
1396 | const auto& fhk = rgw_fh.get_key(); | |
1397 | const auto& fh = const_cast<RGWFileHandle&>(rgw_fh).get_fh(); | |
1398 | os << "<RGWFileHandle:"; | |
1399 | os << "addr=" << &rgw_fh << ";"; | |
1400 | switch (fh->fh_type) { | |
1401 | case RGW_FS_TYPE_DIRECTORY: | |
1402 | os << "type=DIRECTORY;"; | |
1403 | break; | |
1404 | case RGW_FS_TYPE_FILE: | |
1405 | os << "type=FILE;"; | |
1406 | break; | |
1407 | default: | |
1408 | os << "type=UNKNOWN;"; | |
1409 | break; | |
1410 | }; | |
1411 | os << "fid=" << fhk.fh_hk.bucket << ":" << fhk.fh_hk.object << ";"; | |
1412 | os << "name=" << rgw_fh.object_name() << ";"; | |
1413 | os << "refcnt=" << rgw_fh.get_refcnt() << ";"; | |
1414 | os << ">"; | |
1415 | return os; | |
1416 | } | |
1417 | ||
1418 | RGWFileHandle::~RGWFileHandle() { | |
28e407b8 AA |
1419 | /* !recycle case, handle may STILL be in handle table, BUT |
1420 | * the partition lock is not held in this path */ | |
1421 | if (fh_hook.is_linked()) { | |
1422 | fs->fh_cache.remove(fh.fh_hk.object, this, FHCache::FLAG_LOCK); | |
1423 | } | |
7c673cae | 1424 | /* cond-unref parent */ |
3efd9988 | 1425 | if (parent && (! parent->is_mount())) { |
7c673cae FG |
1426 | /* safe because if parent->unref causes its deletion, |
1427 | * there are a) by refcnt, no other objects/paths pointing | |
1428 | * to it and b) by the semantics of valid iteration of | |
1429 | * fh_lru (observed, e.g., by cohort_lru<T,...>::drain()) | |
1430 | * no unsafe iterators reaching it either--n.b., this constraint | |
1431 | * is binding oncode which may in future attempt to e.g., | |
1432 | * cause the eviction of objects in LRU order */ | |
31f18b77 | 1433 | (void) get_fs()->unref(parent); |
7c673cae FG |
1434 | } |
1435 | } | |
1436 | ||
494da23a TL |
1437 | fh_key RGWFileHandle::make_fhk(const std::string& name) |
1438 | { | |
1439 | std::string tenant = get_fs()->get_user()->user_id.to_str(); | |
1440 | if (depth == 0) { | |
1441 | /* S3 bucket -- assert mount-at-bucket case reaches here */ | |
1442 | return fh_key(name, name, tenant); | |
1443 | } else { | |
1444 | std::string key_name = make_key_name(name.c_str()); | |
1445 | return fh_key(fhk.fh_hk.bucket, key_name.c_str(), tenant); | |
1446 | } | |
1447 | } | |
1448 | ||
7c673cae FG |
1449 | void RGWFileHandle::encode_attrs(ceph::buffer::list& ux_key1, |
1450 | ceph::buffer::list& ux_attrs1) | |
1451 | { | |
11fdf7f2 | 1452 | using ceph::encode; |
7c673cae | 1453 | fh_key fhk(this->fh.fh_hk); |
11fdf7f2 TL |
1454 | encode(fhk, ux_key1); |
1455 | encode(*this, ux_attrs1); | |
7c673cae FG |
1456 | } /* RGWFileHandle::encode_attrs */ |
1457 | ||
3efd9988 FG |
1458 | DecodeAttrsResult RGWFileHandle::decode_attrs(const ceph::buffer::list* ux_key1, |
1459 | const ceph::buffer::list* ux_attrs1) | |
7c673cae | 1460 | { |
11fdf7f2 | 1461 | using ceph::decode; |
3efd9988 | 1462 | DecodeAttrsResult dar { false, false }; |
7c673cae | 1463 | fh_key fhk; |
11fdf7f2 TL |
1464 | auto bl_iter_key1 = ux_key1->cbegin(); |
1465 | decode(fhk, bl_iter_key1); | |
494da23a | 1466 | get<0>(dar) = true; |
7c673cae | 1467 | |
11fdf7f2 TL |
1468 | auto bl_iter_unix1 = ux_attrs1->cbegin(); |
1469 | decode(*this, bl_iter_unix1); | |
3efd9988 FG |
1470 | if (this->state.version < 2) { |
1471 | get<1>(dar) = true; | |
1472 | } | |
224ce89b | 1473 | |
3efd9988 | 1474 | return dar; |
7c673cae FG |
1475 | } /* RGWFileHandle::decode_attrs */ |
1476 | ||
f91f0fd5 | 1477 | bool RGWFileHandle::reclaim(const cohort::lru::ObjectFactory* newobj_fac) { |
7c673cae FG |
1478 | lsubdout(fs->get_context(), rgw, 17) |
1479 | << __func__ << " " << *this | |
1480 | << dendl; | |
f91f0fd5 TL |
1481 | auto factory = dynamic_cast<const RGWFileHandle::Factory*>(newobj_fac); |
1482 | if (factory == nullptr) { | |
1483 | return false; | |
1484 | } | |
1485 | /* make sure the reclaiming object is the same partiton with newobject factory, | |
1486 | * then we can recycle the object, and replace with newobject */ | |
1487 | if (!fs->fh_cache.is_same_partition(factory->fhk.fh_hk.object, fh.fh_hk.object)) { | |
1488 | return false; | |
1489 | } | |
b32b8144 | 1490 | /* in the non-delete case, handle may still be in handle table */ |
7c673cae | 1491 | if (fh_hook.is_linked()) { |
b32b8144 FG |
1492 | /* in this case, we are being called from a context which holds |
1493 | * the partition lock */ | |
1494 | fs->fh_cache.remove(fh.fh_hk.object, this, FHCache::FLAG_NONE); | |
7c673cae FG |
1495 | } |
1496 | return true; | |
1497 | } /* RGWFileHandle::reclaim */ | |
1498 | ||
1499 | bool RGWFileHandle::has_children() const | |
1500 | { | |
1501 | if (unlikely(! is_dir())) | |
1502 | return false; | |
1503 | ||
f67539c2 TL |
1504 | RGWRMdirCheck req(fs->get_context(), |
1505 | rgwlib.get_store()->get_user(fs->get_user()->user_id), | |
1506 | this); | |
7c673cae FG |
1507 | int rc = rgwlib.get_fe()->execute_req(&req); |
1508 | if (! rc) { | |
1509 | return req.valid && req.has_children; | |
1510 | } | |
1511 | ||
1512 | return false; | |
1513 | } | |
1514 | ||
3efd9988 FG |
1515 | std::ostream& operator<<(std::ostream &os, |
1516 | RGWFileHandle::readdir_offset const &offset) | |
1517 | { | |
1518 | using boost::get; | |
1519 | if (unlikely(!! get<uint64_t*>(&offset))) { | |
1520 | uint64_t* ioff = get<uint64_t*>(offset); | |
1521 | os << *ioff; | |
1522 | } | |
1523 | else | |
1524 | os << get<const char*>(offset); | |
1525 | return os; | |
1526 | } | |
1527 | ||
1528 | int RGWFileHandle::readdir(rgw_readdir_cb rcb, void *cb_arg, | |
1529 | readdir_offset offset, | |
7c673cae FG |
1530 | bool *eof, uint32_t flags) |
1531 | { | |
1532 | using event = RGWLibFS::event; | |
3efd9988 | 1533 | using boost::get; |
7c673cae FG |
1534 | int rc = 0; |
1535 | struct timespec now; | |
1536 | CephContext* cct = fs->get_context(); | |
1537 | ||
494da23a TL |
1538 | lsubdout(cct, rgw, 10) |
1539 | << __func__ << " readdir called on " | |
1540 | << object_name() | |
1541 | << dendl; | |
1542 | ||
7c673cae FG |
1543 | directory* d = get<directory>(&variant_type); |
1544 | if (d) { | |
1545 | (void) clock_gettime(CLOCK_MONOTONIC_COARSE, &now); /* !LOCKED */ | |
1546 | lock_guard guard(mtx); | |
1547 | d->last_readdir = now; | |
1548 | } | |
1549 | ||
3efd9988 | 1550 | bool initial_off; |
494da23a TL |
1551 | char* mk{nullptr}; |
1552 | ||
3efd9988 | 1553 | if (likely(!! get<const char*>(&offset))) { |
494da23a TL |
1554 | mk = const_cast<char*>(get<const char*>(offset)); |
1555 | initial_off = !mk; | |
3efd9988 FG |
1556 | } else { |
1557 | initial_off = (*get<uint64_t*>(offset) == 0); | |
1558 | } | |
1559 | ||
7c673cae | 1560 | if (is_root()) { |
f67539c2 TL |
1561 | RGWListBucketsRequest req(cct, rgwlib.get_store()->get_user(fs->get_user()->user_id), |
1562 | this, rcb, cb_arg, offset); | |
7c673cae FG |
1563 | rc = rgwlib.get_fe()->execute_req(&req); |
1564 | if (! rc) { | |
1565 | (void) clock_gettime(CLOCK_MONOTONIC_COARSE, &now); /* !LOCKED */ | |
1566 | lock_guard guard(mtx); | |
1567 | state.atime = now; | |
3efd9988 | 1568 | if (initial_off) |
7c673cae FG |
1569 | set_nlink(2); |
1570 | inc_nlink(req.d_count); | |
1571 | *eof = req.eof(); | |
7c673cae FG |
1572 | } |
1573 | } else { | |
f67539c2 TL |
1574 | RGWReaddirRequest req(cct, rgwlib.get_store()->get_user(fs->get_user()->user_id), |
1575 | this, rcb, cb_arg, offset); | |
7c673cae FG |
1576 | rc = rgwlib.get_fe()->execute_req(&req); |
1577 | if (! rc) { | |
1578 | (void) clock_gettime(CLOCK_MONOTONIC_COARSE, &now); /* !LOCKED */ | |
1579 | lock_guard guard(mtx); | |
1580 | state.atime = now; | |
3efd9988 | 1581 | if (initial_off) |
7c673cae FG |
1582 | set_nlink(2); |
1583 | inc_nlink(req.d_count); | |
1584 | *eof = req.eof(); | |
7c673cae FG |
1585 | } |
1586 | } | |
1587 | ||
494da23a TL |
1588 | event ev(event::type::READDIR, get_key(), state.atime); |
1589 | lock_guard sguard(fs->state.mtx); | |
1590 | fs->state.push_event(ev); | |
1591 | ||
7c673cae FG |
1592 | lsubdout(fs->get_context(), rgw, 15) |
1593 | << __func__ | |
1594 | << " final link count=" << state.nlink | |
1595 | << dendl; | |
1596 | ||
1597 | return rc; | |
1598 | } /* RGWFileHandle::readdir */ | |
1599 | ||
1600 | int RGWFileHandle::write(uint64_t off, size_t len, size_t *bytes_written, | |
1601 | void *buffer) | |
1602 | { | |
1603 | using std::get; | |
1604 | using WriteCompletion = RGWLibFS::WriteCompletion; | |
1605 | ||
1606 | lock_guard guard(mtx); | |
1607 | ||
1608 | int rc = 0; | |
1609 | ||
1610 | file* f = get<file>(&variant_type); | |
1611 | if (! f) | |
1612 | return -EISDIR; | |
1613 | ||
1614 | if (deleted()) { | |
1615 | lsubdout(fs->get_context(), rgw, 5) | |
1616 | << __func__ | |
1617 | << " write attempted on deleted object " | |
1618 | << this->object_name() | |
1619 | << dendl; | |
1620 | /* zap write transaction, if any */ | |
1621 | if (f->write_req) { | |
1622 | delete f->write_req; | |
1623 | f->write_req = nullptr; | |
1624 | } | |
1625 | return -ESTALE; | |
1626 | } | |
1627 | ||
1628 | if (! f->write_req) { | |
1629 | /* guard--we do not support (e.g., COW-backed) partial writes */ | |
1630 | if (off != 0) { | |
1631 | lsubdout(fs->get_context(), rgw, 5) | |
1632 | << __func__ | |
1633 | << " " << object_name() | |
1634 | << " non-0 initial write position " << off | |
11fdf7f2 | 1635 | << " (mounting with -o sync required)" |
7c673cae FG |
1636 | << dendl; |
1637 | return -EIO; | |
1638 | } | |
1639 | ||
1640 | /* start */ | |
1641 | std::string object_name = relative_object_name(); | |
1642 | f->write_req = | |
f67539c2 TL |
1643 | new RGWWriteRequest(rgwlib.get_store(), |
1644 | rgwlib.get_store()->get_user(fs->get_user()->user_id), | |
1645 | this, bucket_name(), object_name); | |
7c673cae FG |
1646 | rc = rgwlib.get_fe()->start_req(f->write_req); |
1647 | if (rc < 0) { | |
1648 | lsubdout(fs->get_context(), rgw, 5) | |
1649 | << __func__ | |
1650 | << this->object_name() | |
1651 | << " write start failed " << off | |
1652 | << " (" << rc << ")" | |
1653 | << dendl; | |
1654 | /* zap failed write transaction */ | |
1655 | delete f->write_req; | |
1656 | f->write_req = nullptr; | |
1657 | return -EIO; | |
1658 | } else { | |
1659 | if (stateless_open()) { | |
1660 | /* start write timer */ | |
1661 | f->write_req->timer_id = | |
1662 | RGWLibFS::write_timer.add_event( | |
1663 | std::chrono::seconds(RGWLibFS::write_completion_interval_s), | |
1664 | WriteCompletion(*this)); | |
1665 | } | |
1666 | } | |
1667 | } | |
1668 | ||
3efd9988 FG |
1669 | int overlap = 0; |
1670 | if ((static_cast<off_t>(off) < f->write_req->real_ofs) && | |
1671 | ((f->write_req->real_ofs - off) <= len)) { | |
1672 | overlap = f->write_req->real_ofs - off; | |
1673 | off = f->write_req->real_ofs; | |
1674 | buffer = static_cast<char*>(buffer) + overlap; | |
1675 | len -= overlap; | |
1676 | } | |
1677 | ||
7c673cae FG |
1678 | buffer::list bl; |
1679 | /* XXXX */ | |
1680 | #if 0 | |
1681 | bl.push_back( | |
1682 | buffer::create_static(len, static_cast<char*>(buffer))); | |
1683 | #else | |
1684 | bl.push_back( | |
1685 | buffer::copy(static_cast<char*>(buffer), len)); | |
1686 | #endif | |
1687 | ||
1688 | f->write_req->put_data(off, bl); | |
1689 | rc = f->write_req->exec_continue(); | |
1690 | ||
1691 | if (rc == 0) { | |
1692 | size_t min_size = off + len; | |
1693 | if (min_size > get_size()) | |
1694 | set_size(min_size); | |
1695 | if (stateless_open()) { | |
1696 | /* bump write timer */ | |
1697 | RGWLibFS::write_timer.adjust_event( | |
1698 | f->write_req->timer_id, std::chrono::seconds(10)); | |
1699 | } | |
1700 | } else { | |
1701 | /* continuation failed (e.g., non-contiguous write position) */ | |
1702 | lsubdout(fs->get_context(), rgw, 5) | |
1703 | << __func__ | |
1704 | << object_name() | |
1705 | << " failed write at position " << off | |
1706 | << " (fails write transaction) " | |
1707 | << dendl; | |
1708 | /* zap failed write transaction */ | |
1709 | delete f->write_req; | |
1710 | f->write_req = nullptr; | |
1711 | rc = -EIO; | |
1712 | } | |
1713 | ||
3efd9988 | 1714 | *bytes_written = (rc == 0) ? (len + overlap) : 0; |
7c673cae FG |
1715 | return rc; |
1716 | } /* RGWFileHandle::write */ | |
1717 | ||
1718 | int RGWFileHandle::write_finish(uint32_t flags) | |
1719 | { | |
1720 | unique_lock guard{mtx, std::defer_lock}; | |
1721 | int rc = 0; | |
1722 | ||
1723 | if (! (flags & FLAG_LOCKED)) { | |
1724 | guard.lock(); | |
1725 | } | |
1726 | ||
1727 | file* f = get<file>(&variant_type); | |
1728 | if (f && (f->write_req)) { | |
1729 | lsubdout(fs->get_context(), rgw, 10) | |
1730 | << __func__ | |
1731 | << " finishing write trans on " << object_name() | |
1732 | << dendl; | |
1733 | rc = rgwlib.get_fe()->finish_req(f->write_req); | |
1734 | if (! rc) { | |
1735 | rc = f->write_req->get_ret(); | |
1736 | } | |
1737 | delete f->write_req; | |
1738 | f->write_req = nullptr; | |
1739 | } | |
1740 | ||
1741 | return rc; | |
1742 | } /* RGWFileHandle::write_finish */ | |
1743 | ||
1744 | int RGWFileHandle::close() | |
1745 | { | |
1746 | lock_guard guard(mtx); | |
1747 | ||
1748 | int rc = write_finish(FLAG_LOCKED); | |
1749 | ||
1750 | flags &= ~FLAG_OPEN; | |
31f18b77 FG |
1751 | flags &= ~FLAG_STATELESS_OPEN; |
1752 | ||
7c673cae FG |
1753 | return rc; |
1754 | } /* RGWFileHandle::close */ | |
1755 | ||
1756 | RGWFileHandle::file::~file() | |
1757 | { | |
1758 | delete write_req; | |
1759 | } | |
1760 | ||
1761 | void RGWFileHandle::clear_state() | |
1762 | { | |
1763 | directory* d = get<directory>(&variant_type); | |
1764 | if (d) { | |
1765 | state.nlink = 2; | |
1766 | d->last_marker = rgw_obj_key{}; | |
1767 | } | |
1768 | } | |
1769 | ||
494da23a TL |
1770 | void RGWFileHandle::advance_mtime(uint32_t flags) { |
1771 | /* intended for use on directories, fast-forward mtime so as to | |
1772 | * ensure a new, higher value for the change attribute */ | |
1773 | unique_lock uniq(mtx, std::defer_lock); | |
1774 | if (likely(! (flags & RGWFileHandle::FLAG_LOCKED))) { | |
1775 | uniq.lock(); | |
1776 | } | |
1777 | ||
1778 | /* advance mtime only if stored mtime is older than the | |
1779 | * configured namespace expiration */ | |
1780 | auto now = real_clock::now(); | |
1781 | auto cmptime = state.mtime; | |
1782 | cmptime.tv_sec += | |
1783 | fs->get_context()->_conf->rgw_nfs_namespace_expire_secs; | |
1784 | if (cmptime < real_clock::to_timespec(now)) { | |
1785 | /* sets ctime as well as mtime, to avoid masking updates should | |
1786 | * ctime inexplicably hold a higher value */ | |
1787 | set_times(now); | |
1788 | } | |
1789 | } | |
1790 | ||
7c673cae FG |
1791 | void RGWFileHandle::invalidate() { |
1792 | RGWLibFS *fs = get_fs(); | |
1793 | if (fs->invalidate_cb) { | |
1794 | fs->invalidate_cb(fs->invalidate_arg, get_key().fh_hk); | |
1795 | } | |
1796 | } | |
1797 | ||
1798 | int RGWWriteRequest::exec_start() { | |
f67539c2 TL |
1799 | struct req_state* state = get_state(); |
1800 | ||
1801 | /* Object needs a bucket from this point */ | |
1802 | state->object->set_bucket(state->bucket.get()); | |
7c673cae | 1803 | |
224ce89b | 1804 | auto compression_type = |
9f95a23c | 1805 | get_store()->svc()->zone->get_zone_params().get_compression_type( |
f67539c2 | 1806 | state->bucket->get_placement_rule()); |
224ce89b | 1807 | |
7c673cae | 1808 | /* not obviously supportable */ |
11fdf7f2 TL |
1809 | ceph_assert(! dlo_manifest); |
1810 | ceph_assert(! slo_info); | |
7c673cae FG |
1811 | |
1812 | perfcounter->inc(l_rgw_put); | |
1813 | op_ret = -EINVAL; | |
1814 | ||
f67539c2 TL |
1815 | if (state->object->empty()) { |
1816 | ldout(state->cct, 0) << __func__ << " called on empty object" << dendl; | |
7c673cae FG |
1817 | goto done; |
1818 | } | |
1819 | ||
f67539c2 | 1820 | op_ret = get_params(null_yield); |
7c673cae FG |
1821 | if (op_ret < 0) |
1822 | goto done; | |
1823 | ||
f67539c2 | 1824 | op_ret = get_system_versioning_params(state, &olh_epoch, &version_id); |
7c673cae FG |
1825 | if (op_ret < 0) { |
1826 | goto done; | |
1827 | } | |
1828 | ||
1829 | /* user-supplied MD5 check skipped (not supplied) */ | |
1830 | /* early quota check skipped--we don't have size yet */ | |
1831 | /* skipping user-supplied etag--we might have one in future, but | |
1832 | * like data it and other attrs would arrive after open */ | |
11fdf7f2 | 1833 | |
f67539c2 | 1834 | aio.emplace(state->cct->_conf->rgw_put_obj_min_window_size); |
11fdf7f2 | 1835 | |
f67539c2 | 1836 | if (state->bucket->versioning_enabled()) { |
11fdf7f2 | 1837 | if (!version_id.empty()) { |
f67539c2 | 1838 | state->object->set_instance(version_id); |
11fdf7f2 | 1839 | } else { |
f67539c2 TL |
1840 | state->object->gen_rand_obj_instance_name(); |
1841 | version_id = state->object->get_instance(); | |
11fdf7f2 TL |
1842 | } |
1843 | } | |
f67539c2 TL |
1844 | processor.emplace(&*aio, get_store(), state->bucket.get(), |
1845 | &state->dest_placement, | |
1846 | state->bucket_owner.get_id(), | |
1847 | *static_cast<RGWObjectCtx *>(state->obj_ctx), | |
1848 | std::move(state->object->clone()), olh_epoch, state->req_id, | |
1849 | this, state->yield); | |
11fdf7f2 | 1850 | |
f67539c2 | 1851 | op_ret = processor->prepare(state->yield); |
224ce89b | 1852 | if (op_ret < 0) { |
f67539c2 | 1853 | ldout(state->cct, 20) << "processor->prepare() returned ret=" << op_ret |
224ce89b WB |
1854 | << dendl; |
1855 | goto done; | |
1856 | } | |
11fdf7f2 | 1857 | filter = &*processor; |
224ce89b | 1858 | if (compression_type != "none") { |
f67539c2 | 1859 | plugin = Compressor::create(state->cct, compression_type); |
11fdf7f2 | 1860 | if (! plugin) { |
f67539c2 | 1861 | ldout(state->cct, 1) << "Cannot load plugin for rgw_compression_type " |
11fdf7f2 TL |
1862 | << compression_type << dendl; |
1863 | } else { | |
f67539c2 | 1864 | compressor.emplace(state->cct, plugin, filter); |
11fdf7f2 TL |
1865 | filter = &*compressor; |
1866 | } | |
224ce89b | 1867 | } |
7c673cae FG |
1868 | |
1869 | done: | |
1870 | return op_ret; | |
1871 | } /* exec_start */ | |
1872 | ||
1873 | int RGWWriteRequest::exec_continue() | |
1874 | { | |
f67539c2 | 1875 | struct req_state* state = get_state(); |
7c673cae FG |
1876 | op_ret = 0; |
1877 | ||
1878 | /* check guards (e.g., contig write) */ | |
11fdf7f2 | 1879 | if (eio) { |
f67539c2 | 1880 | ldout(state->cct, 5) |
11fdf7f2 TL |
1881 | << " chunks arrived in wrong order" |
1882 | << " (mounting with -o sync required)" | |
1883 | << dendl; | |
1884 | return -EIO; | |
1885 | } | |
1886 | ||
f67539c2 | 1887 | op_ret = state->bucket->check_quota(user_quota, bucket_quota, real_ofs, null_yield, true); |
11fdf7f2 TL |
1888 | /* max_size exceed */ |
1889 | if (op_ret < 0) | |
7c673cae FG |
1890 | return -EIO; |
1891 | ||
1892 | size_t len = data.length(); | |
1893 | if (! len) | |
1894 | return 0; | |
1895 | ||
11fdf7f2 TL |
1896 | hash.Update((const unsigned char *)data.c_str(), data.length()); |
1897 | op_ret = filter->process(std::move(data), ofs); | |
7c673cae | 1898 | if (op_ret < 0) { |
11fdf7f2 | 1899 | goto done; |
7c673cae FG |
1900 | } |
1901 | bytes_written += len; | |
1902 | ||
1903 | done: | |
1904 | return op_ret; | |
1905 | } /* exec_continue */ | |
1906 | ||
1907 | int RGWWriteRequest::exec_finish() | |
1908 | { | |
1909 | buffer::list bl, aclbl, ux_key, ux_attrs; | |
1910 | map<string, string>::iterator iter; | |
1911 | char calc_md5[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1]; | |
1912 | unsigned char m[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
f67539c2 | 1913 | struct req_state* state = get_state(); |
7c673cae FG |
1914 | |
1915 | size_t osize = rgw_fh->get_size(); | |
1916 | struct timespec octime = rgw_fh->get_ctime(); | |
1917 | struct timespec omtime = rgw_fh->get_mtime(); | |
1918 | real_time appx_t = real_clock::now(); | |
1919 | ||
f67539c2 TL |
1920 | state->obj_size = bytes_written; |
1921 | perfcounter->inc(l_rgw_put_b, state->obj_size); | |
7c673cae | 1922 | |
11fdf7f2 | 1923 | // flush data in filters |
f67539c2 | 1924 | op_ret = filter->process({}, state->obj_size); |
11fdf7f2 TL |
1925 | if (op_ret < 0) { |
1926 | goto done; | |
1927 | } | |
1928 | ||
f67539c2 | 1929 | op_ret = state->bucket->check_quota(user_quota, bucket_quota, state->obj_size, null_yield, true); |
11fdf7f2 | 1930 | /* max_size exceed */ |
7c673cae FG |
1931 | if (op_ret < 0) { |
1932 | goto done; | |
1933 | } | |
1934 | ||
1935 | hash.Final(m); | |
1936 | ||
224ce89b WB |
1937 | if (compressor && compressor->is_compressed()) { |
1938 | bufferlist tmp; | |
1939 | RGWCompressionInfo cs_info; | |
1940 | cs_info.compression_type = plugin->get_type_name(); | |
f67539c2 | 1941 | cs_info.orig_size = state->obj_size; |
224ce89b | 1942 | cs_info.blocks = std::move(compressor->get_compression_blocks()); |
11fdf7f2 | 1943 | encode(cs_info, tmp); |
224ce89b | 1944 | attrs[RGW_ATTR_COMPRESSION] = tmp; |
b3b6e05e | 1945 | ldpp_dout(this, 20) << "storing " << RGW_ATTR_COMPRESSION |
224ce89b WB |
1946 | << " with type=" << cs_info.compression_type |
1947 | << ", orig_size=" << cs_info.orig_size | |
1948 | << ", blocks=" << cs_info.blocks.size() << dendl; | |
1949 | } | |
1950 | ||
7c673cae FG |
1951 | buf_to_hex(m, CEPH_CRYPTO_MD5_DIGESTSIZE, calc_md5); |
1952 | etag = calc_md5; | |
1953 | ||
1954 | bl.append(etag.c_str(), etag.size() + 1); | |
1955 | emplace_attr(RGW_ATTR_ETAG, std::move(bl)); | |
1956 | ||
1957 | policy.encode(aclbl); | |
1958 | emplace_attr(RGW_ATTR_ACL, std::move(aclbl)); | |
1959 | ||
1960 | /* unix attrs */ | |
1961 | rgw_fh->set_mtime(real_clock::to_timespec(appx_t)); | |
1962 | rgw_fh->set_ctime(real_clock::to_timespec(appx_t)); | |
1963 | rgw_fh->set_size(bytes_written); | |
1964 | rgw_fh->encode_attrs(ux_key, ux_attrs); | |
1965 | ||
1966 | emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
1967 | emplace_attr(RGW_ATTR_UNIX1, std::move(ux_attrs)); | |
1968 | ||
f67539c2 | 1969 | for (iter = state->generic_attrs.begin(); iter != state->generic_attrs.end(); |
7c673cae FG |
1970 | ++iter) { |
1971 | buffer::list& attrbl = attrs[iter->first]; | |
1972 | const string& val = iter->second; | |
1973 | attrbl.append(val.c_str(), val.size() + 1); | |
1974 | } | |
1975 | ||
b3b6e05e | 1976 | op_ret = rgw_get_request_metadata(this, state->cct, state->info, attrs); |
3efd9988 FG |
1977 | if (op_ret < 0) { |
1978 | goto done; | |
1979 | } | |
7c673cae FG |
1980 | encode_delete_at_attr(delete_at, attrs); |
1981 | ||
1982 | /* Add a custom metadata to expose the information whether an object | |
1983 | * is an SLO or not. Appending the attribute must be performed AFTER | |
1984 | * processing any input from user in order to prohibit overwriting. */ | |
1985 | if (unlikely(!! slo_info)) { | |
1986 | buffer::list slo_userindicator_bl; | |
11fdf7f2 TL |
1987 | using ceph::encode; |
1988 | encode("True", slo_userindicator_bl); | |
7c673cae FG |
1989 | emplace_attr(RGW_ATTR_SLO_UINDICATOR, std::move(slo_userindicator_bl)); |
1990 | } | |
1991 | ||
f67539c2 | 1992 | op_ret = processor->complete(state->obj_size, etag, &mtime, real_time(), attrs, |
7c673cae | 1993 | (delete_at ? *delete_at : real_time()), |
9f95a23c | 1994 | if_match, if_nomatch, nullptr, nullptr, nullptr, |
f67539c2 | 1995 | state->yield); |
7c673cae FG |
1996 | if (op_ret != 0) { |
1997 | /* revert attr updates */ | |
1998 | rgw_fh->set_mtime(omtime); | |
1999 | rgw_fh->set_ctime(octime); | |
2000 | rgw_fh->set_size(osize); | |
2001 | } | |
2002 | ||
2003 | done: | |
f67539c2 | 2004 | perfcounter->tinc(l_rgw_put_lat, state->time_elapsed()); |
7c673cae FG |
2005 | return op_ret; |
2006 | } /* exec_finish */ | |
2007 | ||
2008 | } /* namespace rgw */ | |
2009 | ||
2010 | /* librgw */ | |
2011 | extern "C" { | |
2012 | ||
2013 | void rgwfile_version(int *major, int *minor, int *extra) | |
2014 | { | |
2015 | if (major) | |
2016 | *major = LIBRGW_FILE_VER_MAJOR; | |
2017 | if (minor) | |
2018 | *minor = LIBRGW_FILE_VER_MINOR; | |
2019 | if (extra) | |
2020 | *extra = LIBRGW_FILE_VER_EXTRA; | |
2021 | } | |
2022 | ||
2023 | /* | |
2024 | attach rgw namespace | |
2025 | */ | |
2026 | int rgw_mount(librgw_t rgw, const char *uid, const char *acc_key, | |
2027 | const char *sec_key, struct rgw_fs **rgw_fs, | |
2028 | uint32_t flags) | |
2029 | { | |
2030 | int rc = 0; | |
2031 | ||
2032 | /* stash access data for "mount" */ | |
2033 | RGWLibFS* new_fs = new RGWLibFS(static_cast<CephContext*>(rgw), uid, acc_key, | |
3efd9988 | 2034 | sec_key, "/"); |
11fdf7f2 | 2035 | ceph_assert(new_fs); |
3efd9988 | 2036 | |
b3b6e05e TL |
2037 | const DoutPrefix dp(rgwlib.get_store()->ctx(), dout_subsys, "rgw mount: "); |
2038 | rc = new_fs->authorize(&dp, rgwlib.get_store()); | |
3efd9988 FG |
2039 | if (rc != 0) { |
2040 | delete new_fs; | |
2041 | return -EINVAL; | |
2042 | } | |
2043 | ||
2044 | /* register fs for shared gc */ | |
2045 | rgwlib.get_fe()->get_process()->register_fs(new_fs); | |
2046 | ||
2047 | struct rgw_fs *fs = new_fs->get_fs(); | |
2048 | fs->rgw = rgw; | |
2049 | ||
2050 | /* XXX we no longer assume "/" is unique, but we aren't tracking the | |
2051 | * roots atm */ | |
2052 | ||
2053 | *rgw_fs = fs; | |
2054 | ||
2055 | return 0; | |
2056 | } | |
2057 | ||
2058 | int rgw_mount2(librgw_t rgw, const char *uid, const char *acc_key, | |
2059 | const char *sec_key, const char *root, struct rgw_fs **rgw_fs, | |
2060 | uint32_t flags) | |
2061 | { | |
2062 | int rc = 0; | |
2063 | ||
2064 | /* stash access data for "mount" */ | |
2065 | RGWLibFS* new_fs = new RGWLibFS(static_cast<CephContext*>(rgw), uid, acc_key, | |
2066 | sec_key, root); | |
11fdf7f2 | 2067 | ceph_assert(new_fs); |
7c673cae | 2068 | |
b3b6e05e TL |
2069 | const DoutPrefix dp(rgwlib.get_store()->ctx(), dout_subsys, "rgw mount2: "); |
2070 | rc = new_fs->authorize(&dp, rgwlib.get_store()); | |
7c673cae FG |
2071 | if (rc != 0) { |
2072 | delete new_fs; | |
2073 | return -EINVAL; | |
2074 | } | |
2075 | ||
2076 | /* register fs for shared gc */ | |
2077 | rgwlib.get_fe()->get_process()->register_fs(new_fs); | |
2078 | ||
2079 | struct rgw_fs *fs = new_fs->get_fs(); | |
2080 | fs->rgw = rgw; | |
2081 | ||
2082 | /* XXX we no longer assume "/" is unique, but we aren't tracking the | |
2083 | * roots atm */ | |
2084 | ||
2085 | *rgw_fs = fs; | |
2086 | ||
2087 | return 0; | |
2088 | } | |
2089 | ||
2090 | /* | |
2091 | register invalidate callbacks | |
2092 | */ | |
2093 | int rgw_register_invalidate(struct rgw_fs *rgw_fs, rgw_fh_callback_t cb, | |
2094 | void *arg, uint32_t flags) | |
2095 | ||
2096 | { | |
2097 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2098 | return fs->register_invalidate(cb, arg, flags); | |
2099 | } | |
2100 | ||
2101 | /* | |
2102 | detach rgw namespace | |
2103 | */ | |
2104 | int rgw_umount(struct rgw_fs *rgw_fs, uint32_t flags) | |
2105 | { | |
2106 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2107 | fs->close(); | |
7c673cae FG |
2108 | return 0; |
2109 | } | |
2110 | ||
2111 | /* | |
2112 | get filesystem attributes | |
2113 | */ | |
2114 | int rgw_statfs(struct rgw_fs *rgw_fs, | |
2115 | struct rgw_file_handle *parent_fh, | |
2116 | struct rgw_statvfs *vfs_st, uint32_t flags) | |
2117 | { | |
2118 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
28e407b8 AA |
2119 | struct rados_cluster_stat_t stats; |
2120 | ||
f67539c2 TL |
2121 | RGWGetClusterStatReq req(fs->get_context(), |
2122 | rgwlib.get_store()->get_user(fs->get_user()->user_id), | |
2123 | stats); | |
28e407b8 AA |
2124 | int rc = rgwlib.get_fe()->execute_req(&req); |
2125 | if (rc < 0) { | |
2126 | lderr(fs->get_context()) << "ERROR: getting total cluster usage" | |
2127 | << cpp_strerror(-rc) << dendl; | |
2128 | return rc; | |
2129 | } | |
7c673cae | 2130 | |
28e407b8 AA |
2131 | //Set block size to 1M. |
2132 | constexpr uint32_t CEPH_BLOCK_SHIFT = 20; | |
2133 | vfs_st->f_bsize = 1 << CEPH_BLOCK_SHIFT; | |
2134 | vfs_st->f_frsize = 1 << CEPH_BLOCK_SHIFT; | |
2135 | vfs_st->f_blocks = stats.kb >> (CEPH_BLOCK_SHIFT - 10); | |
2136 | vfs_st->f_bfree = stats.kb_avail >> (CEPH_BLOCK_SHIFT - 10); | |
2137 | vfs_st->f_bavail = stats.kb_avail >> (CEPH_BLOCK_SHIFT - 10); | |
2138 | vfs_st->f_files = stats.num_objects; | |
2139 | vfs_st->f_ffree = -1; | |
3efd9988 FG |
2140 | vfs_st->f_fsid[0] = fs->get_fsid(); |
2141 | vfs_st->f_fsid[1] = fs->get_fsid(); | |
7c673cae FG |
2142 | vfs_st->f_flag = 0; |
2143 | vfs_st->f_namemax = 4096; | |
2144 | return 0; | |
2145 | } | |
2146 | ||
2147 | /* | |
2148 | generic create -- create an empty regular file | |
2149 | */ | |
2150 | int rgw_create(struct rgw_fs *rgw_fs, struct rgw_file_handle *parent_fh, | |
2151 | const char *name, struct stat *st, uint32_t mask, | |
2152 | struct rgw_file_handle **fh, uint32_t posix_flags, | |
2153 | uint32_t flags) | |
2154 | { | |
2155 | using std::get; | |
2156 | ||
2157 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2158 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2159 | ||
2160 | if ((! parent) || | |
2161 | (parent->is_root()) || | |
2162 | (parent->is_file())) { | |
2163 | /* bad parent */ | |
2164 | return -EINVAL; | |
2165 | } | |
2166 | ||
2167 | MkObjResult fhr = fs->create(parent, name, st, mask, flags); | |
2168 | RGWFileHandle *nfh = get<0>(fhr); // nullptr if !success | |
2169 | ||
2170 | if (nfh) | |
2171 | *fh = nfh->get_fh(); | |
2172 | ||
2173 | return get<1>(fhr); | |
2174 | } /* rgw_create */ | |
2175 | ||
11fdf7f2 TL |
2176 | /* |
2177 | create a symbolic link | |
2178 | */ | |
2179 | int rgw_symlink(struct rgw_fs *rgw_fs, struct rgw_file_handle *parent_fh, | |
2180 | const char *name, const char *link_path, struct stat *st, uint32_t mask, | |
2181 | struct rgw_file_handle **fh, uint32_t posix_flags, | |
2182 | uint32_t flags) | |
2183 | { | |
2184 | using std::get; | |
2185 | ||
2186 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2187 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2188 | ||
2189 | if ((! parent) || | |
2190 | (parent->is_root()) || | |
2191 | (parent->is_file())) { | |
2192 | /* bad parent */ | |
2193 | return -EINVAL; | |
2194 | } | |
2195 | ||
2196 | MkObjResult fhr = fs->symlink(parent, name, link_path, st, mask, flags); | |
2197 | RGWFileHandle *nfh = get<0>(fhr); // nullptr if !success | |
2198 | ||
2199 | if (nfh) | |
2200 | *fh = nfh->get_fh(); | |
2201 | ||
2202 | return get<1>(fhr); | |
2203 | } /* rgw_symlink */ | |
2204 | ||
7c673cae FG |
2205 | /* |
2206 | create a new directory | |
2207 | */ | |
2208 | int rgw_mkdir(struct rgw_fs *rgw_fs, | |
2209 | struct rgw_file_handle *parent_fh, | |
2210 | const char *name, struct stat *st, uint32_t mask, | |
2211 | struct rgw_file_handle **fh, uint32_t flags) | |
2212 | { | |
2213 | using std::get; | |
2214 | ||
2215 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2216 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2217 | ||
2218 | if (! parent) { | |
2219 | /* bad parent */ | |
2220 | return -EINVAL; | |
2221 | } | |
2222 | ||
2223 | MkObjResult fhr = fs->mkdir(parent, name, st, mask, flags); | |
2224 | RGWFileHandle *nfh = get<0>(fhr); // nullptr if !success | |
2225 | ||
2226 | if (nfh) | |
2227 | *fh = nfh->get_fh(); | |
2228 | ||
2229 | return get<1>(fhr); | |
2230 | } /* rgw_mkdir */ | |
2231 | ||
2232 | /* | |
2233 | rename object | |
2234 | */ | |
2235 | int rgw_rename(struct rgw_fs *rgw_fs, | |
2236 | struct rgw_file_handle *src, const char* src_name, | |
2237 | struct rgw_file_handle *dst, const char* dst_name, | |
2238 | uint32_t flags) | |
2239 | { | |
2240 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2241 | ||
2242 | RGWFileHandle* src_fh = get_rgwfh(src); | |
2243 | RGWFileHandle* dst_fh = get_rgwfh(dst); | |
2244 | ||
2245 | return fs->rename(src_fh, dst_fh, src_name, dst_name); | |
2246 | } | |
2247 | ||
2248 | /* | |
2249 | remove file or directory | |
2250 | */ | |
2251 | int rgw_unlink(struct rgw_fs *rgw_fs, struct rgw_file_handle *parent_fh, | |
2252 | const char *name, uint32_t flags) | |
2253 | { | |
2254 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2255 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2256 | ||
2257 | return fs->unlink(parent, name); | |
2258 | } | |
2259 | ||
2260 | /* | |
2261 | lookup object by name (POSIX style) | |
2262 | */ | |
2263 | int rgw_lookup(struct rgw_fs *rgw_fs, | |
2264 | struct rgw_file_handle *parent_fh, const char* path, | |
eafe8130 TL |
2265 | struct rgw_file_handle **fh, |
2266 | struct stat *st, uint32_t mask, uint32_t flags) | |
7c673cae FG |
2267 | { |
2268 | //CephContext* cct = static_cast<CephContext*>(rgw_fs->rgw); | |
2269 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2270 | ||
2271 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2272 | if ((! parent) || | |
2273 | (! parent->is_dir())) { | |
2274 | /* bad parent */ | |
2275 | return -EINVAL; | |
2276 | } | |
2277 | ||
2278 | RGWFileHandle* rgw_fh; | |
2279 | LookupFHResult fhr; | |
2280 | ||
2281 | if (parent->is_root()) { | |
2282 | /* special: parent lookup--note lack of ref()! */ | |
2283 | if (unlikely((strcmp(path, "..") == 0) || | |
2284 | (strcmp(path, "/") == 0))) { | |
2285 | rgw_fh = parent; | |
2286 | } else { | |
31f18b77 FG |
2287 | RGWLibFS::BucketStats bstat; |
2288 | fhr = fs->stat_bucket(parent, path, bstat, RGWFileHandle::FLAG_NONE); | |
7c673cae FG |
2289 | rgw_fh = get<0>(fhr); |
2290 | if (! rgw_fh) | |
2291 | return -ENOENT; | |
2292 | } | |
2293 | } else { | |
224ce89b WB |
2294 | /* special: after readdir--note extra ref()! */ |
2295 | if (unlikely((strcmp(path, "..") == 0))) { | |
2296 | rgw_fh = parent; | |
2297 | lsubdout(fs->get_context(), rgw, 17) | |
11fdf7f2 | 2298 | << __func__ << " BANG"<< *rgw_fh |
224ce89b WB |
2299 | << dendl; |
2300 | fs->ref(rgw_fh); | |
2301 | } else { | |
224ce89b WB |
2302 | enum rgw_fh_type fh_type = fh_type_of(flags); |
2303 | ||
2304 | uint32_t sl_flags = (flags & RGW_LOOKUP_FLAG_RCB) | |
f67539c2 | 2305 | ? RGWFileHandle::FLAG_IN_CB |
224ce89b WB |
2306 | : RGWFileHandle::FLAG_EXACT_MATCH; |
2307 | ||
eafe8130 TL |
2308 | bool fast_attrs= fs->get_context()->_conf->rgw_nfs_s3_fast_attrs; |
2309 | ||
2310 | if ((flags & RGW_LOOKUP_FLAG_RCB) && fast_attrs) { | |
2311 | /* FAKE STAT--this should mean, interpolate special | |
2312 | * owner, group, and perms masks */ | |
2313 | fhr = fs->fake_leaf(parent, path, fh_type, st, mask, sl_flags); | |
2314 | } else { | |
2315 | if ((fh_type == RGW_FS_TYPE_DIRECTORY) && fast_attrs) { | |
2316 | /* trust cached dir, if present */ | |
2317 | fhr = fs->lookup_fh(parent, path, RGWFileHandle::FLAG_DIRECTORY); | |
2318 | if (get<0>(fhr)) { | |
2319 | rgw_fh = get<0>(fhr); | |
2320 | goto done; | |
2321 | } | |
2322 | } | |
2323 | fhr = fs->stat_leaf(parent, path, fh_type, sl_flags); | |
2324 | } | |
224ce89b WB |
2325 | if (! get<0>(fhr)) { |
2326 | if (! (flags & RGW_LOOKUP_FLAG_CREATE)) | |
2327 | return -ENOENT; | |
2328 | else | |
2329 | fhr = fs->lookup_fh(parent, path, RGWFileHandle::FLAG_CREATE); | |
2330 | } | |
2331 | rgw_fh = get<0>(fhr); | |
7c673cae | 2332 | } |
7c673cae FG |
2333 | } /* !root */ |
2334 | ||
eafe8130 | 2335 | done: |
7c673cae FG |
2336 | struct rgw_file_handle *rfh = rgw_fh->get_fh(); |
2337 | *fh = rfh; | |
2338 | ||
2339 | return 0; | |
2340 | } /* rgw_lookup */ | |
2341 | ||
2342 | /* | |
2343 | lookup object by handle (NFS style) | |
2344 | */ | |
2345 | int rgw_lookup_handle(struct rgw_fs *rgw_fs, struct rgw_fh_hk *fh_hk, | |
2346 | struct rgw_file_handle **fh, uint32_t flags) | |
2347 | { | |
2348 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2349 | ||
2350 | RGWFileHandle* rgw_fh = fs->lookup_handle(*fh_hk); | |
2351 | if (! rgw_fh) { | |
2352 | /* not found */ | |
2353 | return -ENOENT; | |
2354 | } | |
2355 | ||
2356 | struct rgw_file_handle *rfh = rgw_fh->get_fh(); | |
2357 | *fh = rfh; | |
2358 | ||
2359 | return 0; | |
2360 | } | |
2361 | ||
2362 | /* | |
2363 | * release file handle | |
2364 | */ | |
2365 | int rgw_fh_rele(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh, | |
2366 | uint32_t flags) | |
2367 | { | |
2368 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2369 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2370 | ||
2371 | lsubdout(fs->get_context(), rgw, 17) | |
2372 | << __func__ << " " << *rgw_fh | |
2373 | << dendl; | |
2374 | ||
2375 | fs->unref(rgw_fh); | |
2376 | return 0; | |
2377 | } | |
2378 | ||
2379 | /* | |
2380 | get unix attributes for object | |
2381 | */ | |
2382 | int rgw_getattr(struct rgw_fs *rgw_fs, | |
2383 | struct rgw_file_handle *fh, struct stat *st, uint32_t flags) | |
2384 | { | |
2385 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2386 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2387 | ||
2388 | return fs->getattr(rgw_fh, st); | |
2389 | } | |
2390 | ||
2391 | /* | |
2392 | set unix attributes for object | |
2393 | */ | |
2394 | int rgw_setattr(struct rgw_fs *rgw_fs, | |
2395 | struct rgw_file_handle *fh, struct stat *st, | |
2396 | uint32_t mask, uint32_t flags) | |
2397 | { | |
2398 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2399 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2400 | ||
2401 | return fs->setattr(rgw_fh, st, mask, flags); | |
2402 | } | |
2403 | ||
2404 | /* | |
2405 | truncate file | |
2406 | */ | |
2407 | int rgw_truncate(struct rgw_fs *rgw_fs, | |
2408 | struct rgw_file_handle *fh, uint64_t size, uint32_t flags) | |
2409 | { | |
2410 | return 0; | |
2411 | } | |
2412 | ||
2413 | /* | |
2414 | open file | |
2415 | */ | |
2416 | int rgw_open(struct rgw_fs *rgw_fs, | |
2417 | struct rgw_file_handle *fh, uint32_t posix_flags, uint32_t flags) | |
2418 | { | |
2419 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2420 | ||
28e407b8 | 2421 | /* XXX |
7c673cae FG |
2422 | * need to track specific opens--at least read opens and |
2423 | * a write open; we need to know when a write open is returned, | |
2424 | * that closes a write transaction | |
2425 | * | |
2426 | * for now, we will support single-open only, it's preferable to | |
2427 | * anything we can otherwise do without access to the NFS state | |
2428 | */ | |
2429 | if (! rgw_fh->is_file()) | |
2430 | return -EISDIR; | |
2431 | ||
2432 | return rgw_fh->open(flags); | |
2433 | } | |
2434 | ||
2435 | /* | |
2436 | close file | |
2437 | */ | |
2438 | int rgw_close(struct rgw_fs *rgw_fs, | |
2439 | struct rgw_file_handle *fh, uint32_t flags) | |
2440 | { | |
2441 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2442 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2443 | int rc = rgw_fh->close(/* XXX */); | |
2444 | ||
2445 | if (flags & RGW_CLOSE_FLAG_RELE) | |
2446 | fs->unref(rgw_fh); | |
2447 | ||
2448 | return rc; | |
2449 | } | |
2450 | ||
2451 | int rgw_readdir(struct rgw_fs *rgw_fs, | |
2452 | struct rgw_file_handle *parent_fh, uint64_t *offset, | |
2453 | rgw_readdir_cb rcb, void *cb_arg, bool *eof, | |
2454 | uint32_t flags) | |
2455 | { | |
2456 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2457 | if (! parent) { | |
2458 | /* bad parent */ | |
2459 | return -EINVAL; | |
2460 | } | |
3efd9988 FG |
2461 | |
2462 | lsubdout(parent->get_fs()->get_context(), rgw, 15) | |
2463 | << __func__ | |
2464 | << " offset=" << *offset | |
2465 | << dendl; | |
2466 | ||
2467 | if ((*offset == 0) && | |
2468 | (flags & RGW_READDIR_FLAG_DOTDOT)) { | |
2469 | /* send '.' and '..' with their NFS-defined offsets */ | |
eafe8130 TL |
2470 | rcb(".", cb_arg, 1, nullptr, 0, RGW_LOOKUP_FLAG_DIR); |
2471 | rcb("..", cb_arg, 2, nullptr, 0, RGW_LOOKUP_FLAG_DIR); | |
3efd9988 FG |
2472 | } |
2473 | ||
7c673cae FG |
2474 | int rc = parent->readdir(rcb, cb_arg, offset, eof, flags); |
2475 | return rc; | |
3efd9988 FG |
2476 | } /* rgw_readdir */ |
2477 | ||
2478 | /* enumeration continuing from name */ | |
2479 | int rgw_readdir2(struct rgw_fs *rgw_fs, | |
2480 | struct rgw_file_handle *parent_fh, const char *name, | |
2481 | rgw_readdir_cb rcb, void *cb_arg, bool *eof, | |
2482 | uint32_t flags) | |
2483 | { | |
2484 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2485 | if (! parent) { | |
2486 | /* bad parent */ | |
2487 | return -EINVAL; | |
2488 | } | |
2489 | ||
2490 | lsubdout(parent->get_fs()->get_context(), rgw, 15) | |
2491 | << __func__ | |
94b18763 | 2492 | << " offset=" << ((name) ? name : "(nil)") |
3efd9988 FG |
2493 | << dendl; |
2494 | ||
2495 | if ((! name) && | |
2496 | (flags & RGW_READDIR_FLAG_DOTDOT)) { | |
2497 | /* send '.' and '..' with their NFS-defined offsets */ | |
eafe8130 TL |
2498 | rcb(".", cb_arg, 1, nullptr, 0, RGW_LOOKUP_FLAG_DIR); |
2499 | rcb("..", cb_arg, 2, nullptr, 0, RGW_LOOKUP_FLAG_DIR); | |
3efd9988 FG |
2500 | } |
2501 | ||
2502 | int rc = parent->readdir(rcb, cb_arg, name, eof, flags); | |
2503 | return rc; | |
2504 | } /* rgw_readdir2 */ | |
7c673cae | 2505 | |
c07f9fc5 FG |
2506 | /* project offset of dirent name */ |
2507 | int rgw_dirent_offset(struct rgw_fs *rgw_fs, | |
2508 | struct rgw_file_handle *parent_fh, | |
2509 | const char *name, int64_t *offset, | |
2510 | uint32_t flags) | |
2511 | { | |
2512 | RGWFileHandle* parent = get_rgwfh(parent_fh); | |
2513 | if ((! parent)) { | |
2514 | /* bad parent */ | |
2515 | return -EINVAL; | |
2516 | } | |
2517 | std::string sname{name}; | |
2518 | int rc = parent->offset_of(sname, offset, flags); | |
2519 | return rc; | |
2520 | } | |
2521 | ||
7c673cae FG |
2522 | /* |
2523 | read data from file | |
2524 | */ | |
2525 | int rgw_read(struct rgw_fs *rgw_fs, | |
2526 | struct rgw_file_handle *fh, uint64_t offset, | |
2527 | size_t length, size_t *bytes_read, void *buffer, | |
2528 | uint32_t flags) | |
2529 | { | |
2530 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2531 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2532 | ||
2533 | return fs->read(rgw_fh, offset, length, bytes_read, buffer, flags); | |
2534 | } | |
2535 | ||
11fdf7f2 TL |
2536 | /* |
2537 | read symbolic link | |
2538 | */ | |
2539 | int rgw_readlink(struct rgw_fs *rgw_fs, | |
2540 | struct rgw_file_handle *fh, uint64_t offset, | |
2541 | size_t length, size_t *bytes_read, void *buffer, | |
2542 | uint32_t flags) | |
2543 | { | |
2544 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2545 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2546 | ||
2547 | return fs->readlink(rgw_fh, offset, length, bytes_read, buffer, flags); | |
2548 | } | |
2549 | ||
7c673cae FG |
2550 | /* |
2551 | write data to file | |
2552 | */ | |
2553 | int rgw_write(struct rgw_fs *rgw_fs, | |
2554 | struct rgw_file_handle *fh, uint64_t offset, | |
2555 | size_t length, size_t *bytes_written, void *buffer, | |
2556 | uint32_t flags) | |
2557 | { | |
2558 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2559 | int rc; | |
2560 | ||
2561 | *bytes_written = 0; | |
2562 | ||
2563 | if (! rgw_fh->is_file()) | |
2564 | return -EISDIR; | |
2565 | ||
3efd9988 FG |
2566 | if (! rgw_fh->is_open()) { |
2567 | if (flags & RGW_OPEN_FLAG_V3) { | |
2568 | rc = rgw_fh->open(flags); | |
2569 | if (!! rc) | |
2570 | return rc; | |
2571 | } else | |
2572 | return -EPERM; | |
2573 | } | |
7c673cae FG |
2574 | |
2575 | rc = rgw_fh->write(offset, length, bytes_written, buffer); | |
2576 | ||
2577 | return rc; | |
2578 | } | |
2579 | ||
2580 | /* | |
2581 | read data from file (vector) | |
2582 | */ | |
2583 | class RGWReadV | |
2584 | { | |
2585 | buffer::list bl; | |
2586 | struct rgw_vio* vio; | |
2587 | ||
2588 | public: | |
2589 | RGWReadV(buffer::list& _bl, rgw_vio* _vio) : vio(_vio) { | |
f67539c2 | 2590 | bl = std::move(_bl); |
7c673cae FG |
2591 | } |
2592 | ||
2593 | struct rgw_vio* get_vio() { return vio; } | |
2594 | ||
11fdf7f2 | 2595 | const auto& buffers() { return bl.buffers(); } |
7c673cae FG |
2596 | |
2597 | unsigned /* XXX */ length() { return bl.length(); } | |
2598 | ||
2599 | }; | |
2600 | ||
2601 | void rgw_readv_rele(struct rgw_uio *uio, uint32_t flags) | |
2602 | { | |
2603 | RGWReadV* rdv = static_cast<RGWReadV*>(uio->uio_p1); | |
2604 | rdv->~RGWReadV(); | |
2605 | ::operator delete(rdv); | |
2606 | } | |
2607 | ||
2608 | int rgw_readv(struct rgw_fs *rgw_fs, | |
2609 | struct rgw_file_handle *fh, rgw_uio *uio, uint32_t flags) | |
2610 | { | |
2611 | #if 0 /* XXX */ | |
2612 | CephContext* cct = static_cast<CephContext*>(rgw_fs->rgw); | |
2613 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2614 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2615 | ||
2616 | if (! rgw_fh->is_file()) | |
2617 | return -EINVAL; | |
2618 | ||
2619 | int rc = 0; | |
2620 | ||
2621 | buffer::list bl; | |
2622 | RGWGetObjRequest req(cct, fs->get_user(), rgw_fh->bucket_name(), | |
2623 | rgw_fh->object_name(), uio->uio_offset, uio->uio_resid, | |
2624 | bl); | |
2625 | req.do_hexdump = false; | |
2626 | ||
2627 | rc = rgwlib.get_fe()->execute_req(&req); | |
2628 | ||
2629 | if (! rc) { | |
2630 | RGWReadV* rdv = static_cast<RGWReadV*>( | |
2631 | ::operator new(sizeof(RGWReadV) + | |
2632 | (bl.buffers().size() * sizeof(struct rgw_vio)))); | |
2633 | ||
2634 | (void) new (rdv) | |
2635 | RGWReadV(bl, reinterpret_cast<rgw_vio*>(rdv+sizeof(RGWReadV))); | |
2636 | ||
2637 | uio->uio_p1 = rdv; | |
2638 | uio->uio_cnt = rdv->buffers().size(); | |
2639 | uio->uio_resid = rdv->length(); | |
2640 | uio->uio_vio = rdv->get_vio(); | |
2641 | uio->uio_rele = rgw_readv_rele; | |
2642 | ||
2643 | int ix = 0; | |
2644 | auto& buffers = rdv->buffers(); | |
2645 | for (auto& bp : buffers) { | |
2646 | rgw_vio *vio = &(uio->uio_vio[ix]); | |
2647 | vio->vio_base = const_cast<char*>(bp.c_str()); | |
2648 | vio->vio_len = bp.length(); | |
2649 | vio->vio_u1 = nullptr; | |
2650 | vio->vio_p1 = nullptr; | |
2651 | ++ix; | |
2652 | } | |
2653 | } | |
2654 | ||
2655 | return rc; | |
2656 | #else | |
2657 | return 0; | |
2658 | #endif | |
2659 | } | |
2660 | ||
2661 | /* | |
2662 | write data to file (vector) | |
2663 | */ | |
2664 | int rgw_writev(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh, | |
2665 | rgw_uio *uio, uint32_t flags) | |
2666 | { | |
2667 | ||
f67539c2 | 2668 | // not supported - rest of function is ignored |
7c673cae FG |
2669 | return -ENOTSUP; |
2670 | ||
2671 | CephContext* cct = static_cast<CephContext*>(rgw_fs->rgw); | |
2672 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2673 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2674 | ||
2675 | if (! rgw_fh->is_file()) | |
2676 | return -EINVAL; | |
2677 | ||
2678 | buffer::list bl; | |
2679 | for (unsigned int ix = 0; ix < uio->uio_cnt; ++ix) { | |
2680 | rgw_vio *vio = &(uio->uio_vio[ix]); | |
2681 | bl.push_back( | |
2682 | buffer::create_static(vio->vio_len, | |
2683 | static_cast<char*>(vio->vio_base))); | |
2684 | } | |
2685 | ||
2686 | std::string oname = rgw_fh->relative_object_name(); | |
f67539c2 TL |
2687 | RGWPutObjRequest req(cct, rgwlib.get_store()->get_user(fs->get_user()->user_id), |
2688 | rgw_fh->bucket_name(), oname, bl); | |
7c673cae FG |
2689 | |
2690 | int rc = rgwlib.get_fe()->execute_req(&req); | |
2691 | ||
2692 | /* XXX update size (in request) */ | |
2693 | ||
2694 | return rc; | |
2695 | } | |
2696 | ||
2697 | /* | |
2698 | sync written data | |
2699 | */ | |
2700 | int rgw_fsync(struct rgw_fs *rgw_fs, struct rgw_file_handle *handle, | |
2701 | uint32_t flags) | |
2702 | { | |
2703 | return 0; | |
2704 | } | |
2705 | ||
2706 | int rgw_commit(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh, | |
2707 | uint64_t offset, uint64_t length, uint32_t flags) | |
2708 | { | |
2709 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2710 | ||
2711 | return rgw_fh->commit(offset, length, RGWFileHandle::FLAG_NONE); | |
2712 | } | |
2713 | ||
f67539c2 TL |
2714 | /* |
2715 | extended attributes | |
2716 | */ | |
2717 | ||
2718 | int rgw_getxattrs(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh, | |
2719 | rgw_xattrlist *attrs, rgw_getxattr_cb cb, void *cb_arg, | |
2720 | uint32_t flags) | |
2721 | { | |
2722 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2723 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2724 | ||
2725 | return fs->getxattrs(rgw_fh, attrs, cb, cb_arg, flags); | |
2726 | } | |
2727 | ||
2728 | int rgw_lsxattrs(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh, | |
2729 | rgw_xattrstr *filter_prefix /* ignored */, | |
2730 | rgw_getxattr_cb cb, void *cb_arg, uint32_t flags) | |
2731 | { | |
2732 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2733 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2734 | ||
2735 | return fs->lsxattrs(rgw_fh, filter_prefix, cb, cb_arg, flags); | |
2736 | } | |
2737 | ||
2738 | int rgw_setxattrs(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh, | |
2739 | rgw_xattrlist *attrs, uint32_t flags) | |
2740 | { | |
2741 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2742 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2743 | ||
2744 | return fs->setxattrs(rgw_fh, attrs, flags); | |
2745 | } | |
2746 | ||
2747 | int rgw_rmxattrs(struct rgw_fs *rgw_fs, struct rgw_file_handle *fh, | |
2748 | rgw_xattrlist *attrs, uint32_t flags) | |
2749 | { | |
2750 | RGWLibFS *fs = static_cast<RGWLibFS*>(rgw_fs->fs_private); | |
2751 | RGWFileHandle* rgw_fh = get_rgwfh(fh); | |
2752 | ||
2753 | return fs->rmxattrs(rgw_fh, attrs, flags); | |
2754 | } | |
2755 | ||
7c673cae | 2756 | } /* extern "C" */ |