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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- | |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #ifndef RGW_FILE_H | |
5 | #define RGW_FILE_H | |
6 | ||
7 | #include "include/rados/rgw_file.h" | |
8 | ||
9 | /* internal header */ | |
10 | #include <string.h> | |
11 | #include <sys/stat.h> | |
12 | #include <stdint.h> | |
13 | ||
14 | #include <atomic> | |
15 | #include <chrono> | |
16 | #include <thread> | |
17 | #include <mutex> | |
18 | #include <vector> | |
19 | #include <deque> | |
20 | #include <algorithm> | |
21 | #include <functional> | |
22 | #include <boost/intrusive_ptr.hpp> | |
23 | #include <boost/range/adaptor/reversed.hpp> | |
24 | #include <boost/container/flat_map.hpp> | |
25 | #include <boost/variant.hpp> | |
26 | #include <boost/utility/string_ref.hpp> | |
27 | #include <boost/optional.hpp> | |
28 | #include "xxhash.h" | |
29 | #include "include/buffer.h" | |
30 | #include "common/cohort_lru.h" | |
31 | #include "common/ceph_timer.h" | |
32 | #include "rgw_common.h" | |
33 | #include "rgw_user.h" | |
34 | #include "rgw_lib.h" | |
35 | #include "rgw_ldap.h" | |
36 | #include "rgw_token.h" | |
37 | ||
38 | ||
39 | /* XXX | |
40 | * ASSERT_H somehow not defined after all the above (which bring | |
41 | * in common/debug.h [e.g., dout]) | |
42 | */ | |
43 | #include "include/assert.h" | |
44 | ||
45 | ||
46 | #define RGW_RWXMODE (S_IRWXU | S_IRWXG | S_IRWXO) | |
47 | ||
48 | #define RGW_RWMODE (RGW_RWXMODE & \ | |
49 | ~(S_IXUSR | S_IXGRP | S_IXOTH)) | |
50 | ||
51 | ||
52 | namespace rgw { | |
53 | ||
54 | template <typename T> | |
55 | static inline void ignore(T &&) {} | |
56 | ||
57 | ||
58 | namespace bi = boost::intrusive; | |
59 | ||
60 | class RGWLibFS; | |
61 | class RGWFileHandle; | |
62 | class RGWWriteRequest; | |
63 | ||
64 | static inline bool operator <(const struct timespec& lhs, | |
65 | const struct timespec& rhs) { | |
66 | if (lhs.tv_sec == rhs.tv_sec) | |
67 | return lhs.tv_nsec < rhs.tv_nsec; | |
68 | else | |
69 | return lhs.tv_sec < rhs.tv_sec; | |
70 | } | |
71 | ||
72 | static inline bool operator ==(const struct timespec& lhs, | |
73 | const struct timespec& rhs) { | |
74 | return ((lhs.tv_sec == rhs.tv_sec) && | |
75 | (lhs.tv_nsec == rhs.tv_nsec)); | |
76 | } | |
77 | ||
78 | /* | |
79 | * XXX | |
80 | * The current 64-bit, non-cryptographic hash used here is intended | |
81 | * for prototyping only. | |
82 | * | |
83 | * However, the invariant being prototyped is that objects be | |
84 | * identifiable by their hash components alone. We believe this can | |
85 | * be legitimately implemented using 128-hash values for bucket and | |
86 | * object components, together with a cluster-resident cryptographic | |
87 | * key. Since an MD5 or SHA-1 key is 128 bits and the (fast), | |
88 | * non-cryptographic CityHash128 hash algorithm takes a 128-bit seed, | |
89 | * speculatively we could use that for the final hash computations. | |
90 | */ | |
91 | struct fh_key | |
92 | { | |
93 | rgw_fh_hk fh_hk; | |
94 | ||
95 | static constexpr uint64_t seed = 8675309; | |
96 | ||
97 | fh_key() {} | |
98 | ||
99 | fh_key(const rgw_fh_hk& _hk) | |
100 | : fh_hk(_hk) { | |
101 | // nothing | |
102 | } | |
103 | ||
104 | fh_key(const uint64_t bk, const uint64_t ok) { | |
105 | fh_hk.bucket = bk; | |
106 | fh_hk.object = ok; | |
107 | } | |
108 | ||
109 | fh_key(const uint64_t bk, const char *_o) { | |
110 | fh_hk.bucket = bk; | |
111 | fh_hk.object = XXH64(_o, ::strlen(_o), seed); | |
112 | } | |
113 | ||
114 | fh_key(const std::string& _b, const std::string& _o) { | |
115 | fh_hk.bucket = XXH64(_b.c_str(), _o.length(), seed); | |
116 | fh_hk.object = XXH64(_o.c_str(), _o.length(), seed); | |
117 | } | |
118 | ||
119 | void encode(buffer::list& bl) const { | |
120 | ENCODE_START(1, 1, bl); | |
121 | ::encode(fh_hk.bucket, bl); | |
122 | ::encode(fh_hk.object, bl); | |
123 | ENCODE_FINISH(bl); | |
124 | } | |
125 | ||
126 | void decode(bufferlist::iterator& bl) { | |
127 | DECODE_START(1, bl); | |
128 | ::decode(fh_hk.bucket, bl); | |
129 | ::decode(fh_hk.object, bl); | |
130 | DECODE_FINISH(bl); | |
131 | } | |
132 | }; /* fh_key */ | |
133 | ||
134 | WRITE_CLASS_ENCODER(fh_key); | |
135 | ||
136 | inline bool operator<(const fh_key& lhs, const fh_key& rhs) | |
137 | { | |
138 | return ((lhs.fh_hk.bucket < rhs.fh_hk.bucket) || | |
139 | ((lhs.fh_hk.bucket == rhs.fh_hk.bucket) && | |
140 | (lhs.fh_hk.object < rhs.fh_hk.object))); | |
141 | } | |
142 | ||
143 | inline bool operator>(const fh_key& lhs, const fh_key& rhs) | |
144 | { | |
145 | return (rhs < lhs); | |
146 | } | |
147 | ||
148 | inline bool operator==(const fh_key& lhs, const fh_key& rhs) | |
149 | { | |
150 | return ((lhs.fh_hk.bucket == rhs.fh_hk.bucket) && | |
151 | (lhs.fh_hk.object == rhs.fh_hk.object)); | |
152 | } | |
153 | ||
154 | inline bool operator!=(const fh_key& lhs, const fh_key& rhs) | |
155 | { | |
156 | return !(lhs == rhs); | |
157 | } | |
158 | ||
159 | inline bool operator<=(const fh_key& lhs, const fh_key& rhs) | |
160 | { | |
161 | return (lhs < rhs) || (lhs == rhs); | |
162 | } | |
163 | ||
164 | using boost::variant; | |
165 | using boost::container::flat_map; | |
166 | ||
167 | class RGWFileHandle : public cohort::lru::Object | |
168 | { | |
169 | struct rgw_file_handle fh; | |
170 | std::mutex mtx; | |
171 | ||
172 | RGWLibFS* fs; | |
173 | RGWFileHandle* bucket; | |
174 | RGWFileHandle* parent; | |
175 | /* const */ std::string name; /* XXX file or bucket name */ | |
176 | /* const */ fh_key fhk; | |
177 | ||
178 | using lock_guard = std::lock_guard<std::mutex>; | |
179 | using unique_lock = std::unique_lock<std::mutex>; | |
180 | ||
181 | /* TODO: keeping just the last marker is sufficient for | |
182 | * nfs-ganesha 2.4.5; in the near future, nfs-ganesha will | |
183 | * be able to hint the name of the next dirent required, | |
184 | * from which we can directly synthesize a RADOS marker. | |
185 | * using marker_cache_t = flat_map<uint64_t, rgw_obj_key>; | |
186 | */ | |
187 | ||
188 | struct State { | |
189 | uint64_t dev; | |
190 | uint64_t size; | |
191 | uint64_t nlink; | |
192 | uint32_t owner_uid; /* XXX need Unix attr */ | |
193 | uint32_t owner_gid; /* XXX need Unix attr */ | |
194 | mode_t unix_mode; | |
195 | struct timespec ctime; | |
196 | struct timespec mtime; | |
197 | struct timespec atime; | |
198 | State() : dev(0), size(0), nlink(1), owner_uid(0), owner_gid(0), | |
199 | ctime{0,0}, mtime{0,0}, atime{0,0} {} | |
200 | } state; | |
201 | ||
202 | struct file { | |
203 | RGWWriteRequest* write_req; | |
204 | file() : write_req(nullptr) {} | |
205 | ~file(); | |
206 | }; | |
207 | ||
208 | struct directory { | |
209 | ||
210 | static constexpr uint32_t FLAG_NONE = 0x0000; | |
211 | ||
212 | uint32_t flags; | |
213 | rgw_obj_key last_marker; | |
214 | struct timespec last_readdir; | |
215 | ||
216 | directory() : flags(FLAG_NONE), last_readdir{0,0} {} | |
217 | }; | |
218 | ||
219 | void clear_state(); | |
220 | ||
221 | boost::variant<file, directory> variant_type; | |
222 | ||
223 | uint16_t depth; | |
224 | uint32_t flags; | |
225 | ||
226 | public: | |
227 | const static std::string root_name; | |
228 | ||
229 | static constexpr uint16_t MAX_DEPTH = 256; | |
230 | ||
231 | static constexpr uint32_t FLAG_NONE = 0x0000; | |
232 | static constexpr uint32_t FLAG_OPEN = 0x0001; | |
233 | static constexpr uint32_t FLAG_ROOT = 0x0002; | |
234 | static constexpr uint32_t FLAG_CREATE = 0x0004; | |
235 | static constexpr uint32_t FLAG_CREATING = 0x0008; | |
236 | static constexpr uint32_t FLAG_DIRECTORY = 0x0010; | |
237 | static constexpr uint32_t FLAG_BUCKET = 0x0020; | |
238 | static constexpr uint32_t FLAG_LOCK = 0x0040; | |
239 | static constexpr uint32_t FLAG_DELETED = 0x0080; | |
240 | static constexpr uint32_t FLAG_UNLINK_THIS = 0x0100; | |
241 | static constexpr uint32_t FLAG_LOCKED = 0x0200; | |
242 | static constexpr uint32_t FLAG_STATELESS_OPEN = 0x0400; | |
243 | static constexpr uint32_t FLAG_EXACT_MATCH = 0x0800; | |
244 | ||
245 | #define CREATE_FLAGS(x) \ | |
246 | ((x) & ~(RGWFileHandle::FLAG_CREATE|RGWFileHandle::FLAG_LOCK)) | |
247 | ||
248 | friend class RGWLibFS; | |
249 | ||
250 | private: | |
251 | RGWFileHandle(RGWLibFS* _fs, uint32_t fs_inst) | |
252 | : fs(_fs), bucket(nullptr), parent(nullptr), variant_type{directory()}, | |
253 | depth(0), flags(FLAG_ROOT) | |
254 | { | |
255 | /* root */ | |
256 | fh.fh_type = RGW_FS_TYPE_DIRECTORY; | |
257 | variant_type = directory(); | |
258 | /* stat */ | |
259 | state.dev = fs_inst; | |
260 | state.unix_mode = RGW_RWXMODE|S_IFDIR; | |
261 | /* pointer to self */ | |
262 | fh.fh_private = this; | |
263 | } | |
264 | ||
265 | void init_rootfs(std::string& fsid, const std::string& object_name) { | |
266 | /* fh_key */ | |
267 | fh.fh_hk.bucket = XXH64(fsid.c_str(), fsid.length(), fh_key::seed); | |
268 | fh.fh_hk.object = XXH64(object_name.c_str(), object_name.length(), | |
269 | fh_key::seed); | |
270 | fhk = fh.fh_hk; | |
271 | name = object_name; | |
272 | } | |
273 | ||
274 | public: | |
275 | RGWFileHandle(RGWLibFS* fs, uint32_t fs_inst, RGWFileHandle* _parent, | |
276 | const fh_key& _fhk, std::string& _name, uint32_t _flags) | |
277 | : fs(fs), bucket(nullptr), parent(_parent), name(std::move(_name)), | |
278 | fhk(_fhk), flags(_flags) { | |
279 | ||
280 | if (parent->is_root()) { | |
281 | fh.fh_type = RGW_FS_TYPE_DIRECTORY; | |
282 | variant_type = directory(); | |
283 | flags |= FLAG_BUCKET; | |
284 | } else { | |
285 | bucket = parent->is_bucket() ? parent | |
286 | : parent->bucket; | |
287 | if (flags & FLAG_DIRECTORY) { | |
288 | fh.fh_type = RGW_FS_TYPE_DIRECTORY; | |
289 | variant_type = directory(); | |
290 | } else { | |
291 | fh.fh_type = RGW_FS_TYPE_FILE; | |
292 | variant_type = file(); | |
293 | } | |
294 | } | |
295 | ||
296 | depth = parent->depth + 1; | |
297 | ||
298 | /* save constant fhk */ | |
299 | fh.fh_hk = fhk.fh_hk; /* XXX redundant in fh_hk */ | |
300 | ||
301 | /* stat */ | |
302 | state.dev = fs_inst; | |
303 | ||
304 | switch (fh.fh_type) { | |
305 | case RGW_FS_TYPE_DIRECTORY: | |
306 | state.unix_mode = RGW_RWXMODE|S_IFDIR; | |
307 | break; | |
308 | case RGW_FS_TYPE_FILE: | |
309 | state.unix_mode = RGW_RWMODE|S_IFREG; | |
310 | default: | |
311 | break; | |
312 | } | |
313 | ||
314 | /* pointer to self */ | |
315 | fh.fh_private = this; | |
316 | } | |
317 | ||
318 | const fh_key& get_key() const { | |
319 | return fhk; | |
320 | } | |
321 | ||
322 | directory* get_directory() { | |
323 | return get<directory>(&variant_type); | |
324 | } | |
325 | ||
326 | size_t get_size() const { return state.size; } | |
327 | ||
328 | const char* stype() { | |
329 | return is_dir() ? "DIR" : "FILE"; | |
330 | } | |
331 | ||
332 | uint16_t get_depth() const { return depth; } | |
333 | ||
334 | struct rgw_file_handle* get_fh() { return &fh; } | |
335 | ||
336 | RGWLibFS* get_fs() { return fs; } | |
337 | ||
338 | RGWFileHandle* get_parent() { return parent; } | |
339 | ||
340 | uint32_t get_owner_uid() const { return state.owner_uid; } | |
341 | uint32_t get_owner_gid() const { return state.owner_gid; } | |
342 | ||
343 | struct timespec get_ctime() const { return state.ctime; } | |
344 | struct timespec get_mtime() const { return state.mtime; } | |
345 | ||
346 | void create_stat(struct stat* st, uint32_t mask) { | |
347 | if (mask & RGW_SETATTR_UID) | |
348 | state.owner_uid = st->st_uid; | |
349 | ||
350 | if (mask & RGW_SETATTR_GID) | |
351 | state.owner_gid = st->st_gid; | |
352 | ||
353 | if (mask & RGW_SETATTR_MODE) { | |
354 | switch (fh.fh_type) { | |
355 | case RGW_FS_TYPE_DIRECTORY: | |
356 | state.unix_mode = st->st_mode|S_IFDIR; | |
357 | break; | |
358 | case RGW_FS_TYPE_FILE: | |
359 | state.unix_mode = st->st_mode|S_IFREG; | |
360 | default: | |
361 | break; | |
362 | } | |
363 | } | |
364 | ||
365 | if (mask & RGW_SETATTR_ATIME) | |
366 | state.atime = st->st_atim; | |
367 | if (mask & RGW_SETATTR_MTIME) | |
368 | state.mtime = st->st_mtim; | |
369 | if (mask & RGW_SETATTR_CTIME) | |
370 | state.ctime = st->st_ctim; | |
371 | } | |
372 | ||
373 | int stat(struct stat* st) { | |
374 | /* partial Unix attrs */ | |
375 | memset(st, 0, sizeof(struct stat)); | |
376 | st->st_dev = state.dev; | |
377 | st->st_ino = fh.fh_hk.object; // XXX | |
378 | ||
379 | st->st_uid = state.owner_uid; | |
380 | st->st_gid = state.owner_gid; | |
381 | ||
382 | st->st_mode = state.unix_mode; | |
383 | ||
384 | #ifdef HAVE_STAT_ST_MTIMESPEC_TV_NSEC | |
385 | st->st_atimespec = state.atime; | |
386 | st->st_mtimespec = state.mtime; | |
387 | st->st_ctimespec = state.ctime; | |
388 | #else | |
389 | st->st_atim = state.atime; | |
390 | st->st_mtim = state.mtime; | |
391 | st->st_ctim = state.ctime; | |
392 | #endif | |
393 | ||
394 | switch (fh.fh_type) { | |
395 | case RGW_FS_TYPE_DIRECTORY: | |
396 | st->st_nlink = state.nlink; | |
397 | break; | |
398 | case RGW_FS_TYPE_FILE: | |
399 | st->st_nlink = 1; | |
400 | st->st_blksize = 4096; | |
401 | st->st_size = state.size; | |
402 | st->st_blocks = (state.size) / 512; | |
403 | default: | |
404 | break; | |
405 | } | |
406 | ||
407 | return 0; | |
408 | } | |
409 | ||
410 | const std::string& bucket_name() const { | |
411 | if (is_root()) | |
412 | return root_name; | |
413 | if (is_bucket()) | |
414 | return name; | |
415 | return bucket->object_name(); | |
416 | } | |
417 | ||
418 | const std::string& object_name() const { return name; } | |
419 | ||
420 | std::string full_object_name(bool omit_bucket = false) const { | |
421 | std::string path; | |
422 | std::vector<const std::string*> segments; | |
423 | int reserve = 0; | |
424 | const RGWFileHandle* tfh = this; | |
425 | while (tfh && !tfh->is_root() && !(tfh->is_bucket() && omit_bucket)) { | |
426 | segments.push_back(&tfh->object_name()); | |
427 | reserve += (1 + tfh->object_name().length()); | |
428 | tfh = tfh->parent; | |
429 | } | |
430 | bool first = true; | |
431 | path.reserve(reserve); | |
432 | for (auto& s : boost::adaptors::reverse(segments)) { | |
433 | if (! first) | |
434 | path += "/"; | |
435 | else { | |
436 | if (!omit_bucket && (path.front() != '/')) // pretty-print | |
437 | path += "/"; | |
438 | first = false; | |
439 | } | |
440 | path += *s; | |
441 | } | |
442 | return path; | |
443 | } | |
444 | ||
445 | inline std::string relative_object_name() const { | |
446 | return full_object_name(true /* omit_bucket */); | |
447 | } | |
448 | ||
449 | inline std::string format_child_name(const std::string& cbasename, | |
450 | bool is_dir) const { | |
451 | std::string child_name{relative_object_name()}; | |
452 | if ((child_name.size() > 0) && | |
453 | (child_name.back() != '/')) | |
454 | child_name += "/"; | |
455 | child_name += cbasename; | |
456 | if (is_dir) | |
457 | child_name += "/"; | |
458 | return child_name; | |
459 | } | |
460 | ||
461 | inline std::string make_key_name(const char *name) const { | |
462 | std::string key_name{full_object_name()}; | |
463 | if (key_name.length() > 0) | |
464 | key_name += "/"; | |
465 | key_name += name; | |
466 | return key_name; | |
467 | } | |
468 | ||
469 | fh_key make_fhk(const std::string& name) const { | |
470 | if (depth <= 1) | |
471 | return fh_key(fhk.fh_hk.object, name.c_str()); | |
472 | else { | |
473 | std::string key_name = make_key_name(name.c_str()); | |
474 | return fh_key(fhk.fh_hk.bucket, key_name.c_str()); | |
475 | } | |
476 | } | |
477 | ||
478 | void add_marker(uint64_t off, const rgw_obj_key& marker, | |
479 | uint8_t obj_type) { | |
480 | using std::get; | |
481 | directory* d = get<directory>(&variant_type); | |
482 | if (d) { | |
483 | unique_lock guard(mtx); | |
484 | d->last_marker = marker; | |
485 | } | |
486 | } | |
487 | ||
488 | const rgw_obj_key* find_marker(uint64_t off) const { | |
489 | using std::get; | |
490 | if (off > 0) { | |
491 | const directory* d = get<directory>(&variant_type); | |
492 | if (d ) { | |
493 | return &d->last_marker; | |
494 | } | |
495 | } | |
496 | return nullptr; | |
497 | } | |
498 | ||
499 | bool is_open() const { return flags & FLAG_OPEN; } | |
500 | bool is_root() const { return flags & FLAG_ROOT; } | |
501 | bool is_bucket() const { return flags & FLAG_BUCKET; } | |
502 | bool is_object() const { return !is_bucket(); } | |
503 | bool is_file() const { return (fh.fh_type == RGW_FS_TYPE_FILE); } | |
504 | bool is_dir() const { return (fh.fh_type == RGW_FS_TYPE_DIRECTORY); } | |
505 | bool creating() const { return flags & FLAG_CREATING; } | |
506 | bool deleted() const { return flags & FLAG_DELETED; } | |
507 | bool stateless_open() const { return flags & FLAG_STATELESS_OPEN; } | |
508 | bool has_children() const; | |
509 | ||
510 | int open(uint32_t gsh_flags) { | |
511 | lock_guard guard(mtx); | |
512 | if (! is_open()) { | |
513 | if (gsh_flags & RGW_OPEN_FLAG_V3) { | |
514 | flags |= FLAG_STATELESS_OPEN; | |
515 | } | |
516 | flags |= FLAG_OPEN; | |
517 | return 0; | |
518 | } | |
519 | return -EPERM; | |
520 | } | |
521 | ||
522 | int readdir(rgw_readdir_cb rcb, void *cb_arg, uint64_t *offset, bool *eof, | |
523 | uint32_t flags); | |
524 | int write(uint64_t off, size_t len, size_t *nbytes, void *buffer); | |
525 | ||
526 | int commit(uint64_t offset, uint64_t length, uint32_t flags) { | |
527 | /* NFS3 and NFSv4 COMMIT implementation | |
528 | * the current atomic update strategy doesn't actually permit | |
529 | * clients to read-stable until either CLOSE (NFSv4+) or the | |
530 | * expiration of the active write timer (NFS3). In the | |
531 | * interim, the client may send an arbitrary number of COMMIT | |
532 | * operations which must return a success result */ | |
533 | return 0; | |
534 | } | |
535 | ||
536 | int write_finish(uint32_t flags = FLAG_NONE); | |
537 | int close(); | |
538 | ||
539 | void open_for_create() { | |
540 | lock_guard guard(mtx); | |
541 | flags |= FLAG_CREATING; | |
542 | } | |
543 | ||
544 | void clear_creating() { | |
545 | lock_guard guard(mtx); | |
546 | flags &= ~FLAG_CREATING; | |
547 | } | |
548 | ||
549 | void inc_nlink(const uint64_t n) { | |
550 | state.nlink += n; | |
551 | } | |
552 | ||
553 | void set_nlink(const uint64_t n) { | |
554 | state.nlink = n; | |
555 | } | |
556 | ||
557 | void set_size(const size_t size) { | |
558 | state.size = size; | |
559 | } | |
560 | ||
561 | void set_times(real_time t) { | |
562 | state.ctime = real_clock::to_timespec(t); | |
563 | state.mtime = state.ctime; | |
564 | state.atime = state.ctime; | |
565 | } | |
566 | ||
567 | void set_ctime(const struct timespec &ts) { | |
568 | state.ctime = ts; | |
569 | } | |
570 | ||
571 | void set_mtime(const struct timespec &ts) { | |
572 | state.mtime = ts; | |
573 | } | |
574 | ||
575 | void set_atime(const struct timespec &ts) { | |
576 | state.atime = ts; | |
577 | } | |
578 | ||
579 | void encode(buffer::list& bl) const { | |
580 | ENCODE_START(1, 1, bl); | |
581 | ::encode(uint32_t(fh.fh_type), bl); | |
582 | ::encode(state.dev, bl); | |
583 | ::encode(state.size, bl); | |
584 | ::encode(state.nlink, bl); | |
585 | ::encode(state.owner_uid, bl); | |
586 | ::encode(state.owner_gid, bl); | |
587 | ::encode(state.unix_mode, bl); | |
588 | for (const auto& t : { state.ctime, state.mtime, state.atime }) { | |
589 | ::encode(real_clock::from_timespec(t), bl); | |
590 | } | |
591 | ENCODE_FINISH(bl); | |
592 | } | |
593 | ||
594 | void decode(bufferlist::iterator& bl) { | |
595 | DECODE_START(1, bl); | |
596 | uint32_t fh_type; | |
597 | ::decode(fh_type, bl); | |
598 | assert(fh.fh_type == fh_type); | |
599 | ::decode(state.dev, bl); | |
600 | ::decode(state.size, bl); | |
601 | ::decode(state.nlink, bl); | |
602 | ::decode(state.owner_uid, bl); | |
603 | ::decode(state.owner_gid, bl); | |
604 | ::decode(state.unix_mode, bl); | |
605 | ceph::real_time enc_time; | |
606 | for (auto t : { &(state.ctime), &(state.mtime), &(state.atime) }) { | |
607 | ::decode(enc_time, bl); | |
608 | *t = real_clock::to_timespec(enc_time); | |
609 | } | |
610 | DECODE_FINISH(bl); | |
611 | } | |
612 | ||
613 | void encode_attrs(ceph::buffer::list& ux_key1, | |
614 | ceph::buffer::list& ux_attrs1); | |
615 | ||
616 | void decode_attrs(const ceph::buffer::list* ux_key1, | |
617 | const ceph::buffer::list* ux_attrs1); | |
618 | ||
619 | void invalidate(); | |
620 | ||
621 | bool reclaim() override; | |
622 | ||
623 | typedef cohort::lru::LRU<std::mutex> FhLRU; | |
624 | ||
625 | struct FhLT | |
626 | { | |
627 | // for internal ordering | |
628 | bool operator()(const RGWFileHandle& lhs, const RGWFileHandle& rhs) const | |
629 | { return (lhs.get_key() < rhs.get_key()); } | |
630 | ||
631 | // for external search by fh_key | |
632 | bool operator()(const fh_key& k, const RGWFileHandle& fh) const | |
633 | { return k < fh.get_key(); } | |
634 | ||
635 | bool operator()(const RGWFileHandle& fh, const fh_key& k) const | |
636 | { return fh.get_key() < k; } | |
637 | }; | |
638 | ||
639 | struct FhEQ | |
640 | { | |
641 | bool operator()(const RGWFileHandle& lhs, const RGWFileHandle& rhs) const | |
642 | { return (lhs.get_key() == rhs.get_key()); } | |
643 | ||
644 | bool operator()(const fh_key& k, const RGWFileHandle& fh) const | |
645 | { return k == fh.get_key(); } | |
646 | ||
647 | bool operator()(const RGWFileHandle& fh, const fh_key& k) const | |
648 | { return fh.get_key() == k; } | |
649 | }; | |
650 | ||
651 | typedef bi::link_mode<bi::safe_link> link_mode; /* XXX normal */ | |
652 | #if defined(FHCACHE_AVL) | |
653 | typedef bi::avl_set_member_hook<link_mode> tree_hook_type; | |
654 | #else | |
655 | /* RBT */ | |
656 | typedef bi::set_member_hook<link_mode> tree_hook_type; | |
657 | #endif | |
658 | tree_hook_type fh_hook; | |
659 | ||
660 | typedef bi::member_hook< | |
661 | RGWFileHandle, tree_hook_type, &RGWFileHandle::fh_hook> FhHook; | |
662 | ||
663 | #if defined(FHCACHE_AVL) | |
664 | typedef bi::avltree<RGWFileHandle, bi::compare<FhLT>, FhHook> FHTree; | |
665 | #else | |
666 | typedef bi::rbtree<RGWFileHandle, bi::compare<FhLT>, FhHook> FhTree; | |
667 | #endif | |
668 | typedef cohort::lru::TreeX<RGWFileHandle, FhTree, FhLT, FhEQ, fh_key, | |
669 | std::mutex> FHCache; | |
670 | ||
671 | ~RGWFileHandle() override; | |
672 | ||
673 | friend std::ostream& operator<<(std::ostream &os, | |
674 | RGWFileHandle const &rgw_fh); | |
675 | ||
676 | class Factory : public cohort::lru::ObjectFactory | |
677 | { | |
678 | public: | |
679 | RGWLibFS* fs; | |
680 | uint32_t fs_inst; | |
681 | RGWFileHandle* parent; | |
682 | const fh_key& fhk; | |
683 | std::string& name; | |
684 | uint32_t flags; | |
685 | ||
686 | Factory() = delete; | |
687 | ||
688 | Factory(RGWLibFS* fs, uint32_t fs_inst, RGWFileHandle* parent, | |
689 | const fh_key& fhk, std::string& name, uint32_t flags) | |
690 | : fs(fs), fs_inst(fs_inst), parent(parent), fhk(fhk), name(name), | |
691 | flags(flags) {} | |
692 | ||
693 | void recycle (cohort::lru::Object* o) override { | |
694 | /* re-use an existing object */ | |
695 | o->~Object(); // call lru::Object virtual dtor | |
696 | // placement new! | |
697 | new (o) RGWFileHandle(fs, fs_inst, parent, fhk, name, flags); | |
698 | } | |
699 | ||
700 | cohort::lru::Object* alloc() override { | |
701 | return new RGWFileHandle(fs, fs_inst, parent, fhk, name, flags); | |
702 | } | |
703 | }; /* Factory */ | |
704 | ||
705 | }; /* RGWFileHandle */ | |
706 | ||
707 | WRITE_CLASS_ENCODER(RGWFileHandle); | |
708 | ||
709 | static inline RGWFileHandle* get_rgwfh(struct rgw_file_handle* fh) { | |
710 | return static_cast<RGWFileHandle*>(fh->fh_private); | |
711 | } | |
712 | ||
713 | static inline enum rgw_fh_type fh_type_of(uint32_t flags) { | |
714 | enum rgw_fh_type fh_type; | |
715 | switch(flags & RGW_LOOKUP_TYPE_FLAGS) | |
716 | { | |
717 | case RGW_LOOKUP_FLAG_DIR: | |
718 | fh_type = RGW_FS_TYPE_DIRECTORY; | |
719 | break; | |
720 | case RGW_LOOKUP_FLAG_FILE: | |
721 | fh_type = RGW_FS_TYPE_FILE; | |
722 | break; | |
723 | default: | |
724 | fh_type = RGW_FS_TYPE_NIL; | |
725 | }; | |
726 | return fh_type; | |
727 | } | |
728 | ||
729 | typedef std::tuple<RGWFileHandle*, uint32_t> LookupFHResult; | |
730 | typedef std::tuple<RGWFileHandle*, int> MkObjResult; | |
731 | ||
732 | class RGWLibFS | |
733 | { | |
734 | CephContext* cct; | |
735 | struct rgw_fs fs; | |
736 | RGWFileHandle root_fh; | |
737 | rgw_fh_callback_t invalidate_cb; | |
738 | void *invalidate_arg; | |
739 | bool shutdown; | |
740 | ||
741 | mutable std::atomic<uint64_t> refcnt; | |
742 | ||
743 | RGWFileHandle::FHCache fh_cache; | |
744 | RGWFileHandle::FhLRU fh_lru; | |
745 | ||
746 | std::string uid; // should match user.user_id, iiuc | |
747 | ||
748 | RGWUserInfo user; | |
749 | RGWAccessKey key; // XXXX acc_key | |
750 | ||
751 | static std::atomic<uint32_t> fs_inst_counter; | |
752 | ||
753 | static uint32_t write_completion_interval_s; | |
754 | std::string fsid; | |
755 | ||
756 | using lock_guard = std::lock_guard<std::mutex>; | |
757 | using unique_lock = std::unique_lock<std::mutex>; | |
758 | ||
759 | struct event | |
760 | { | |
761 | enum class type : uint8_t { READDIR } ; | |
762 | type t; | |
763 | const fh_key fhk; | |
764 | struct timespec ts; | |
765 | event(type t, const fh_key& k, const struct timespec& ts) | |
766 | : t(t), fhk(k), ts(ts) {} | |
767 | }; | |
768 | ||
769 | friend std::ostream& operator<<(std::ostream &os, | |
770 | RGWLibFS::event const &ev); | |
771 | ||
772 | using event_vector = /* boost::small_vector<event, 16> */ | |
773 | std::vector<event>; | |
774 | ||
775 | struct WriteCompletion | |
776 | { | |
777 | RGWFileHandle& rgw_fh; | |
778 | ||
779 | WriteCompletion(RGWFileHandle& _fh) : rgw_fh(_fh) { | |
780 | rgw_fh.get_fs()->ref(&rgw_fh); | |
781 | } | |
782 | ||
783 | void operator()() { | |
784 | rgw_fh.close(); /* will finish in-progress write */ | |
785 | rgw_fh.get_fs()->unref(&rgw_fh); | |
786 | } | |
787 | }; | |
788 | ||
789 | static ceph::timer<ceph::mono_clock> write_timer; | |
790 | ||
791 | struct State { | |
792 | std::mutex mtx; | |
793 | std::atomic<uint32_t> flags; | |
794 | std::deque<event> events; | |
795 | ||
796 | State() : flags(0) {} | |
797 | ||
798 | void push_event(const event& ev) { | |
799 | events.push_back(ev); | |
800 | } | |
801 | } state; | |
802 | ||
803 | uint32_t new_inst() { | |
804 | return ++fs_inst_counter; | |
805 | } | |
806 | ||
807 | friend class RGWFileHandle; | |
808 | friend class RGWLibProcess; | |
809 | ||
810 | public: | |
811 | ||
812 | static constexpr uint32_t FLAG_NONE = 0x0000; | |
813 | static constexpr uint32_t FLAG_CLOSED = 0x0001; | |
814 | ||
815 | struct BucketStats { | |
816 | size_t size; | |
817 | size_t size_rounded; | |
818 | real_time creation_time; | |
819 | uint64_t num_entries; | |
820 | }; | |
821 | ||
822 | RGWLibFS(CephContext* _cct, const char *_uid, const char *_user_id, | |
823 | const char* _key) | |
824 | : cct(_cct), root_fh(this, new_inst()), invalidate_cb(nullptr), | |
825 | invalidate_arg(nullptr), shutdown(false), refcnt(1), | |
826 | fh_cache(cct->_conf->rgw_nfs_fhcache_partitions, | |
827 | cct->_conf->rgw_nfs_fhcache_size), | |
828 | fh_lru(cct->_conf->rgw_nfs_lru_lanes, | |
829 | cct->_conf->rgw_nfs_lru_lane_hiwat), | |
830 | uid(_uid), key(_user_id, _key) { | |
831 | ||
832 | /* no bucket may be named rgw_fs_inst-(.*) */ | |
833 | fsid = RGWFileHandle::root_name + "rgw_fs_inst-" + | |
834 | std::to_string(get_inst()); | |
835 | ||
836 | root_fh.init_rootfs(fsid /* bucket */, RGWFileHandle::root_name); | |
837 | ||
838 | /* pointer to self */ | |
839 | fs.fs_private = this; | |
840 | ||
841 | /* expose public root fh */ | |
842 | fs.root_fh = root_fh.get_fh(); | |
843 | } | |
844 | ||
845 | friend void intrusive_ptr_add_ref(const RGWLibFS* fs) { | |
846 | fs->refcnt.fetch_add(1, std::memory_order_relaxed); | |
847 | } | |
848 | ||
849 | friend void intrusive_ptr_release(const RGWLibFS* fs) { | |
850 | if (fs->refcnt.fetch_sub(1, std::memory_order_release) == 0) { | |
851 | std::atomic_thread_fence(std::memory_order_acquire); | |
852 | delete fs; | |
853 | } | |
854 | } | |
855 | ||
856 | RGWLibFS* ref() { | |
857 | intrusive_ptr_add_ref(this); | |
858 | return this; | |
859 | } | |
860 | ||
861 | inline void rele() { | |
862 | intrusive_ptr_release(this); | |
863 | } | |
864 | ||
865 | void stop() { shutdown = true; } | |
866 | ||
867 | void release_evict(RGWFileHandle* fh) { | |
868 | /* remove from cache, releases sentinel ref */ | |
869 | fh_cache.remove(fh->fh.fh_hk.object, fh, | |
870 | RGWFileHandle::FHCache::FLAG_LOCK); | |
871 | /* release call-path ref */ | |
872 | (void) fh_lru.unref(fh, cohort::lru::FLAG_NONE); | |
873 | } | |
874 | ||
875 | int authorize(RGWRados* store) { | |
876 | int ret = rgw_get_user_info_by_access_key(store, key.id, user); | |
877 | if (ret == 0) { | |
878 | RGWAccessKey* key0 = user.get_key0(); | |
879 | if (!key0 || | |
880 | (key0->key != key.key)) | |
881 | return -EINVAL; | |
882 | if (user.suspended) | |
883 | return -ERR_USER_SUSPENDED; | |
884 | } else { | |
885 | /* try external authenticators (ldap for now) */ | |
886 | rgw::LDAPHelper* ldh = rgwlib.get_ldh(); /* !nullptr */ | |
887 | RGWToken token; | |
888 | /* boost filters and/or string_ref may throw on invalid input */ | |
889 | try { | |
890 | token = rgw::from_base64(key.id); | |
891 | } catch(...) { | |
892 | token = std::string(""); | |
893 | } | |
894 | if (token.valid() && (ldh->auth(token.id, token.key) == 0)) { | |
895 | /* try to store user if it doesn't already exist */ | |
896 | if (rgw_get_user_info_by_uid(store, token.id, user) < 0) { | |
897 | int ret = rgw_store_user_info(store, user, NULL, NULL, real_time(), | |
898 | true); | |
899 | if (ret < 0) { | |
900 | lsubdout(get_context(), rgw, 10) | |
901 | << "NOTICE: failed to store new user's info: ret=" << ret | |
902 | << dendl; | |
903 | } | |
904 | } | |
905 | } /* auth success */ | |
906 | } | |
907 | return ret; | |
908 | } /* authorize */ | |
909 | ||
910 | int register_invalidate(rgw_fh_callback_t cb, void *arg, uint32_t flags) { | |
911 | invalidate_cb = cb; | |
912 | invalidate_arg = arg; | |
913 | return 0; | |
914 | } | |
915 | ||
916 | /* find RGWFileHandle by id */ | |
917 | LookupFHResult lookup_fh(const fh_key& fhk, | |
918 | const uint32_t flags = RGWFileHandle::FLAG_NONE) { | |
919 | using std::get; | |
920 | ||
921 | // cast int32_t(RGWFileHandle::FLAG_NONE) due to strictness of Clang | |
922 | // the cast transfers a lvalue into a rvalue in the ctor | |
923 | // check the commit message for the full details | |
924 | LookupFHResult fhr { nullptr, uint32_t(RGWFileHandle::FLAG_NONE) }; | |
925 | ||
926 | RGWFileHandle::FHCache::Latch lat; | |
927 | bool fh_locked = flags & RGWFileHandle::FLAG_LOCKED; | |
928 | ||
929 | retry: | |
930 | RGWFileHandle* fh = | |
931 | fh_cache.find_latch(fhk.fh_hk.object /* partition selector*/, | |
932 | fhk /* key */, lat /* serializer */, | |
933 | RGWFileHandle::FHCache::FLAG_LOCK); | |
934 | /* LATCHED */ | |
935 | if (fh) { | |
936 | if (likely(! fh_locked)) | |
937 | fh->mtx.lock(); // XXX !RAII because may-return-LOCKED | |
938 | /* need initial ref from LRU (fast path) */ | |
939 | if (! fh_lru.ref(fh, cohort::lru::FLAG_INITIAL)) { | |
940 | lat.lock->unlock(); | |
941 | if (likely(! fh_locked)) | |
942 | fh->mtx.unlock(); | |
943 | goto retry; /* !LATCHED */ | |
944 | } | |
945 | /* LATCHED, LOCKED */ | |
946 | if (! (flags & RGWFileHandle::FLAG_LOCK)) | |
947 | fh->mtx.unlock(); /* ! LOCKED */ | |
948 | } | |
949 | lat.lock->unlock(); /* !LATCHED */ | |
950 | get<0>(fhr) = fh; | |
951 | if (fh) { | |
952 | lsubdout(get_context(), rgw, 17) | |
953 | << __func__ << " 1 " << *fh | |
954 | << dendl; | |
955 | } | |
956 | return fhr; | |
957 | } /* lookup_fh(const fh_key&) */ | |
958 | ||
959 | /* find or create an RGWFileHandle */ | |
960 | LookupFHResult lookup_fh(RGWFileHandle* parent, const char *name, | |
961 | const uint32_t flags = RGWFileHandle::FLAG_NONE) { | |
962 | using std::get; | |
963 | ||
964 | // cast int32_t(RGWFileHandle::FLAG_NONE) due to strictness of Clang | |
965 | // the cast transfers a lvalue into a rvalue in the ctor | |
966 | // check the commit message for the full details | |
967 | LookupFHResult fhr { nullptr, uint32_t(RGWFileHandle::FLAG_NONE) }; | |
968 | ||
969 | /* mount is stale? */ | |
970 | if (state.flags & FLAG_CLOSED) | |
971 | return fhr; | |
972 | ||
973 | RGWFileHandle::FHCache::Latch lat; | |
974 | bool fh_locked = flags & RGWFileHandle::FLAG_LOCKED; | |
975 | ||
976 | std::string obj_name{name}; | |
977 | std::string key_name{parent->make_key_name(name)}; | |
978 | ||
979 | lsubdout(get_context(), rgw, 10) | |
980 | << __func__ << " lookup called on " | |
981 | << parent->object_name() << " for " << key_name | |
982 | << " (" << obj_name << ")" | |
983 | << dendl; | |
984 | ||
985 | fh_key fhk = parent->make_fhk(key_name); | |
986 | ||
987 | retry: | |
988 | RGWFileHandle* fh = | |
989 | fh_cache.find_latch(fhk.fh_hk.object /* partition selector*/, | |
990 | fhk /* key */, lat /* serializer */, | |
991 | RGWFileHandle::FHCache::FLAG_LOCK); | |
992 | /* LATCHED */ | |
993 | if (fh) { | |
994 | if (likely(! fh_locked)) | |
995 | fh->mtx.lock(); // XXX !RAII because may-return-LOCKED | |
996 | if (fh->flags & RGWFileHandle::FLAG_DELETED) { | |
997 | /* for now, delay briefly and retry */ | |
998 | lat.lock->unlock(); | |
999 | if (likely(! fh_locked)) | |
1000 | fh->mtx.unlock(); | |
1001 | std::this_thread::sleep_for(std::chrono::milliseconds(20)); | |
1002 | goto retry; /* !LATCHED */ | |
1003 | } | |
1004 | /* need initial ref from LRU (fast path) */ | |
1005 | if (! fh_lru.ref(fh, cohort::lru::FLAG_INITIAL)) { | |
1006 | lat.lock->unlock(); | |
1007 | if (likely(! fh_locked)) | |
1008 | fh->mtx.unlock(); | |
1009 | goto retry; /* !LATCHED */ | |
1010 | } | |
1011 | /* LATCHED, LOCKED */ | |
1012 | if (! (flags & RGWFileHandle::FLAG_LOCK)) | |
1013 | if (likely(! fh_locked)) | |
1014 | fh->mtx.unlock(); /* ! LOCKED */ | |
1015 | } else { | |
1016 | /* make or re-use handle */ | |
1017 | RGWFileHandle::Factory prototype(this, get_inst(), parent, fhk, | |
1018 | obj_name, CREATE_FLAGS(flags)); | |
1019 | fh = static_cast<RGWFileHandle*>( | |
1020 | fh_lru.insert(&prototype, | |
1021 | cohort::lru::Edge::MRU, | |
1022 | cohort::lru::FLAG_INITIAL)); | |
1023 | if (fh) { | |
1024 | /* lock fh (LATCHED) */ | |
1025 | if (flags & RGWFileHandle::FLAG_LOCK) | |
1026 | fh->mtx.lock(); | |
1027 | /* inserts, releasing latch */ | |
1028 | fh_cache.insert_latched(fh, lat, RGWFileHandle::FHCache::FLAG_UNLOCK); | |
1029 | get<1>(fhr) |= RGWFileHandle::FLAG_CREATE; | |
1030 | /* ref parent (non-initial ref cannot fail on valid object) */ | |
1031 | if (! parent->is_root()) { | |
1032 | (void) fh_lru.ref(parent, cohort::lru::FLAG_NONE); | |
1033 | } | |
1034 | goto out; /* !LATCHED */ | |
1035 | } else { | |
1036 | lat.lock->unlock(); | |
1037 | goto retry; /* !LATCHED */ | |
1038 | } | |
1039 | } | |
1040 | lat.lock->unlock(); /* !LATCHED */ | |
1041 | out: | |
1042 | get<0>(fhr) = fh; | |
1043 | if (fh) { | |
1044 | lsubdout(get_context(), rgw, 17) | |
1045 | << __func__ << " 2 " << *fh | |
1046 | << dendl; | |
1047 | } | |
1048 | return fhr; | |
1049 | } /* lookup_fh(RGWFileHandle*, const char *, const uint32_t) */ | |
1050 | ||
1051 | inline void unref(RGWFileHandle* fh) { | |
1052 | if (likely(! fh->is_root())) { | |
1053 | (void) fh_lru.unref(fh, cohort::lru::FLAG_NONE); | |
1054 | } | |
1055 | } | |
1056 | ||
1057 | inline RGWFileHandle* ref(RGWFileHandle* fh) { | |
1058 | if (likely(! fh->is_root())) { | |
1059 | fh_lru.ref(fh, cohort::lru::FLAG_NONE); | |
1060 | } | |
1061 | return fh; | |
1062 | } | |
1063 | ||
1064 | int getattr(RGWFileHandle* rgw_fh, struct stat* st); | |
1065 | ||
1066 | int setattr(RGWFileHandle* rgw_fh, struct stat* st, uint32_t mask, | |
1067 | uint32_t flags); | |
1068 | ||
1069 | LookupFHResult stat_bucket(RGWFileHandle* parent, const char *path, | |
1070 | RGWLibFS::BucketStats& bs, | |
1071 | uint32_t flags); | |
1072 | ||
1073 | LookupFHResult stat_leaf(RGWFileHandle* parent, const char *path, | |
1074 | enum rgw_fh_type type = RGW_FS_TYPE_NIL, | |
1075 | uint32_t flags = RGWFileHandle::FLAG_NONE); | |
1076 | ||
1077 | int read(RGWFileHandle* rgw_fh, uint64_t offset, size_t length, | |
1078 | size_t* bytes_read, void* buffer, uint32_t flags); | |
1079 | ||
1080 | int rename(RGWFileHandle* old_fh, RGWFileHandle* new_fh, | |
1081 | const char *old_name, const char *new_name); | |
1082 | ||
1083 | MkObjResult create(RGWFileHandle* parent, const char *name, struct stat *st, | |
1084 | uint32_t mask, uint32_t flags); | |
1085 | ||
1086 | MkObjResult mkdir(RGWFileHandle* parent, const char *name, struct stat *st, | |
1087 | uint32_t mask, uint32_t flags); | |
1088 | ||
1089 | int unlink(RGWFileHandle* rgw_fh, const char *name, | |
1090 | uint32_t flags = FLAG_NONE); | |
1091 | ||
1092 | /* find existing RGWFileHandle */ | |
1093 | RGWFileHandle* lookup_handle(struct rgw_fh_hk fh_hk) { | |
1094 | ||
1095 | if (state.flags & FLAG_CLOSED) | |
1096 | return nullptr; | |
1097 | ||
1098 | RGWFileHandle::FHCache::Latch lat; | |
1099 | fh_key fhk(fh_hk); | |
1100 | ||
1101 | retry: | |
1102 | RGWFileHandle* fh = | |
1103 | fh_cache.find_latch(fhk.fh_hk.object /* partition selector*/, | |
1104 | fhk /* key */, lat /* serializer */, | |
1105 | RGWFileHandle::FHCache::FLAG_LOCK); | |
1106 | /* LATCHED */ | |
1107 | if (! fh) { | |
1108 | lsubdout(get_context(), rgw, 0) | |
1109 | << __func__ << " handle lookup failed <" | |
1110 | << fhk.fh_hk.bucket << "," << fhk.fh_hk.object << ">" | |
1111 | << "(need persistent handles)" | |
1112 | << dendl; | |
1113 | goto out; | |
1114 | } | |
1115 | fh->mtx.lock(); | |
1116 | if (fh->flags & RGWFileHandle::FLAG_DELETED) { | |
1117 | /* for now, delay briefly and retry */ | |
1118 | lat.lock->unlock(); | |
1119 | fh->mtx.unlock(); /* !LOCKED */ | |
1120 | std::this_thread::sleep_for(std::chrono::milliseconds(20)); | |
1121 | goto retry; /* !LATCHED */ | |
1122 | } | |
1123 | if (! fh_lru.ref(fh, cohort::lru::FLAG_INITIAL)) { | |
1124 | lat.lock->unlock(); | |
1125 | fh->mtx.unlock(); | |
1126 | goto retry; /* !LATCHED */ | |
1127 | } | |
1128 | /* LATCHED */ | |
1129 | fh->mtx.unlock(); /* !LOCKED */ | |
1130 | out: | |
1131 | lat.lock->unlock(); /* !LATCHED */ | |
1132 | ||
1133 | /* special case: lookup root_fh */ | |
1134 | if (! fh) { | |
1135 | if (unlikely(fh_hk == root_fh.fh.fh_hk)) { | |
1136 | fh = &root_fh; | |
1137 | } | |
1138 | } | |
1139 | ||
1140 | return fh; | |
1141 | } | |
1142 | ||
1143 | CephContext* get_context() { | |
1144 | return cct; | |
1145 | } | |
1146 | ||
1147 | struct rgw_fs* get_fs() { return &fs; } | |
1148 | ||
1149 | uint32_t get_inst() { return root_fh.state.dev; } | |
1150 | ||
1151 | RGWUserInfo* get_user() { return &user; } | |
1152 | ||
1153 | void close(); | |
1154 | void gc(); | |
1155 | }; /* RGWLibFS */ | |
1156 | ||
1157 | static inline std::string make_uri(const std::string& bucket_name, | |
1158 | const std::string& object_name) { | |
1159 | std::string uri("/"); | |
1160 | uri.reserve(bucket_name.length() + object_name.length() + 2); | |
1161 | uri += bucket_name; | |
1162 | uri += "/"; | |
1163 | uri += object_name; | |
1164 | return uri; | |
1165 | } | |
1166 | ||
1167 | /* | |
1168 | read directory content (buckets) | |
1169 | */ | |
1170 | ||
1171 | class RGWListBucketsRequest : public RGWLibRequest, | |
1172 | public RGWListBuckets /* RGWOp */ | |
1173 | { | |
1174 | public: | |
1175 | RGWFileHandle* rgw_fh; | |
1176 | uint64_t* offset; | |
1177 | void* cb_arg; | |
1178 | rgw_readdir_cb rcb; | |
1179 | size_t ix; | |
1180 | uint32_t d_count; | |
1181 | ||
1182 | RGWListBucketsRequest(CephContext* _cct, RGWUserInfo *_user, | |
1183 | RGWFileHandle* _rgw_fh, rgw_readdir_cb _rcb, | |
1184 | void* _cb_arg, uint64_t* _offset) | |
1185 | : RGWLibRequest(_cct, _user), rgw_fh(_rgw_fh), offset(_offset), | |
1186 | cb_arg(_cb_arg), rcb(_rcb), ix(0), d_count(0) { | |
1187 | const auto& mk = rgw_fh->find_marker(*offset); | |
1188 | if (mk) { | |
1189 | marker = mk->name; | |
1190 | } | |
1191 | op = this; | |
1192 | } | |
1193 | ||
1194 | bool only_bucket() override { return false; } | |
1195 | ||
1196 | int op_init() override { | |
1197 | // assign store, s, and dialect_handler | |
1198 | RGWObjectCtx* rados_ctx | |
1199 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
1200 | // framework promises to call op_init after parent init | |
1201 | assert(rados_ctx); | |
1202 | RGWOp::init(rados_ctx->store, get_state(), this); | |
1203 | op = this; // assign self as op: REQUIRED | |
1204 | return 0; | |
1205 | } | |
1206 | ||
1207 | int header_init() override { | |
1208 | struct req_state* s = get_state(); | |
1209 | s->info.method = "GET"; | |
1210 | s->op = OP_GET; | |
1211 | ||
1212 | /* XXX derp derp derp */ | |
1213 | s->relative_uri = "/"; | |
1214 | s->info.request_uri = "/"; // XXX | |
1215 | s->info.effective_uri = "/"; | |
1216 | s->info.request_params = ""; | |
1217 | s->info.domain = ""; /* XXX ? */ | |
1218 | ||
1219 | // woo | |
1220 | s->user = user; | |
1221 | ||
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | int get_params() override { | |
1226 | limit = -1; /* no limit */ | |
1227 | return 0; | |
1228 | } | |
1229 | ||
1230 | void send_response_begin(bool has_buckets) override { | |
1231 | sent_data = true; | |
1232 | } | |
1233 | ||
1234 | void send_response_data(RGWUserBuckets& buckets) override { | |
1235 | if (!sent_data) | |
1236 | return; | |
1237 | map<string, RGWBucketEnt>& m = buckets.get_buckets(); | |
1238 | for (const auto& iter : m) { | |
1239 | boost::string_ref marker{iter.first}; | |
1240 | const RGWBucketEnt& ent = iter.second; | |
1241 | if (! this->operator()(ent.bucket.name, marker)) { | |
1242 | /* caller cannot accept more */ | |
1243 | lsubdout(cct, rgw, 5) << "ListBuckets rcb failed" | |
1244 | << " dirent=" << ent.bucket.name | |
1245 | << " call count=" << ix | |
1246 | << dendl; | |
1247 | return; | |
1248 | } | |
1249 | ++ix; | |
1250 | } | |
1251 | } /* send_response_data */ | |
1252 | ||
1253 | void send_response_end() override { | |
1254 | // do nothing | |
1255 | } | |
1256 | ||
1257 | int operator()(const boost::string_ref& name, | |
1258 | const boost::string_ref& marker) { | |
1259 | uint64_t off = XXH64(name.data(), name.length(), fh_key::seed); | |
1260 | *offset = off; | |
1261 | /* update traversal cache */ | |
1262 | rgw_fh->add_marker(off, rgw_obj_key{marker.data(), ""}, | |
1263 | RGW_FS_TYPE_DIRECTORY); | |
1264 | ++d_count; | |
1265 | return rcb(name.data(), cb_arg, off, RGW_LOOKUP_FLAG_DIR); | |
1266 | } | |
1267 | ||
1268 | bool eof() { | |
1269 | lsubdout(cct, rgw, 15) << "READDIR offset: " << *offset | |
1270 | << " is_truncated: " << is_truncated | |
1271 | << dendl; | |
1272 | return !is_truncated; | |
1273 | } | |
1274 | ||
1275 | }; /* RGWListBucketsRequest */ | |
1276 | ||
1277 | /* | |
1278 | read directory content (bucket objects) | |
1279 | */ | |
1280 | ||
1281 | class RGWReaddirRequest : public RGWLibRequest, | |
1282 | public RGWListBucket /* RGWOp */ | |
1283 | { | |
1284 | public: | |
1285 | RGWFileHandle* rgw_fh; | |
1286 | uint64_t* offset; | |
1287 | void* cb_arg; | |
1288 | rgw_readdir_cb rcb; | |
1289 | size_t ix; | |
1290 | uint32_t d_count; | |
1291 | ||
1292 | RGWReaddirRequest(CephContext* _cct, RGWUserInfo *_user, | |
1293 | RGWFileHandle* _rgw_fh, rgw_readdir_cb _rcb, | |
1294 | void* _cb_arg, uint64_t* _offset) | |
1295 | : RGWLibRequest(_cct, _user), rgw_fh(_rgw_fh), offset(_offset), | |
1296 | cb_arg(_cb_arg), rcb(_rcb), ix(0), d_count(0) { | |
1297 | const auto& mk = rgw_fh->find_marker(*offset); | |
1298 | if (mk) { | |
1299 | marker = *mk; | |
1300 | } | |
1301 | default_max = 1000; // XXX was being omitted | |
1302 | op = this; | |
1303 | } | |
1304 | ||
1305 | bool only_bucket() override { return false; } | |
1306 | ||
1307 | int op_init() override { | |
1308 | // assign store, s, and dialect_handler | |
1309 | RGWObjectCtx* rados_ctx | |
1310 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
1311 | // framework promises to call op_init after parent init | |
1312 | assert(rados_ctx); | |
1313 | RGWOp::init(rados_ctx->store, get_state(), this); | |
1314 | op = this; // assign self as op: REQUIRED | |
1315 | return 0; | |
1316 | } | |
1317 | ||
1318 | int header_init() override { | |
1319 | struct req_state* s = get_state(); | |
1320 | s->info.method = "GET"; | |
1321 | s->op = OP_GET; | |
1322 | ||
1323 | /* XXX derp derp derp */ | |
1324 | std::string uri = "/" + rgw_fh->bucket_name() + "/"; | |
1325 | s->relative_uri = uri; | |
1326 | s->info.request_uri = uri; // XXX | |
1327 | s->info.effective_uri = uri; | |
1328 | s->info.request_params = ""; | |
1329 | s->info.domain = ""; /* XXX ? */ | |
1330 | ||
1331 | // woo | |
1332 | s->user = user; | |
1333 | ||
1334 | prefix = rgw_fh->relative_object_name(); | |
1335 | if (prefix.length() > 0) | |
1336 | prefix += "/"; | |
1337 | delimiter = '/'; | |
1338 | ||
1339 | return 0; | |
1340 | } | |
1341 | ||
1342 | int operator()(const boost::string_ref name, const rgw_obj_key& marker, | |
1343 | uint8_t type) { | |
1344 | ||
1345 | assert(name.length() > 0); // XXX | |
1346 | ||
1347 | /* hash offset of name in parent (short name) for NFS readdir cookie */ | |
1348 | uint64_t off = XXH64(name.data(), name.length(), fh_key::seed); | |
1349 | *offset = off; | |
1350 | /* update traversal cache */ | |
1351 | rgw_fh->add_marker(off, marker, type); | |
1352 | ++d_count; | |
1353 | return rcb(name.data(), cb_arg, off, | |
1354 | (type == RGW_FS_TYPE_DIRECTORY) ? | |
1355 | RGW_LOOKUP_FLAG_DIR : | |
1356 | RGW_LOOKUP_FLAG_FILE); | |
1357 | } | |
1358 | ||
1359 | int get_params() override { | |
1360 | max = default_max; | |
1361 | return 0; | |
1362 | } | |
1363 | ||
1364 | void send_response() override { | |
1365 | struct req_state* s = get_state(); | |
1366 | for (const auto& iter : objs) { | |
1367 | ||
1368 | boost::string_ref sref {iter.key.name}; | |
1369 | ||
1370 | lsubdout(cct, rgw, 15) << "readdir objects prefix: " << prefix | |
1371 | << " obj: " << sref << dendl; | |
1372 | ||
1373 | size_t last_del = sref.find_last_of('/'); | |
1374 | if (last_del != string::npos) | |
1375 | sref.remove_prefix(last_del+1); | |
1376 | ||
1377 | /* leaf directory? */ | |
1378 | if (sref.empty()) | |
1379 | continue; | |
1380 | ||
1381 | lsubdout(cct, rgw, 15) << "RGWReaddirRequest " | |
1382 | << __func__ << " " | |
1383 | << "list uri=" << s->relative_uri << " " | |
1384 | << " prefix=" << prefix << " " | |
1385 | << " obj path=" << iter.key.name | |
1386 | << " (" << sref << ")" << "" | |
1387 | << dendl; | |
1388 | ||
1389 | if(! this->operator()(sref, next_marker, RGW_FS_TYPE_FILE)) { | |
1390 | /* caller cannot accept more */ | |
1391 | lsubdout(cct, rgw, 5) << "readdir rcb failed" | |
1392 | << " dirent=" << sref.data() | |
1393 | << " call count=" << ix | |
1394 | << dendl; | |
1395 | return; | |
1396 | } | |
1397 | ++ix; | |
1398 | } | |
1399 | for (auto& iter : common_prefixes) { | |
1400 | ||
1401 | lsubdout(cct, rgw, 15) << "readdir common prefixes prefix: " << prefix | |
1402 | << " iter first: " << iter.first | |
1403 | << " iter second: " << iter.second | |
1404 | << dendl; | |
1405 | ||
1406 | /* XXX aieee--I have seen this case! */ | |
1407 | if (iter.first == "/") | |
1408 | continue; | |
1409 | ||
1410 | /* it's safest to modify the element in place--a suffix-modifying | |
1411 | * string_ref operation is problematic since ULP rgw_file callers | |
1412 | * will ultimately need a c-string */ | |
1413 | if (iter.first.back() == '/') | |
1414 | const_cast<std::string&>(iter.first).pop_back(); | |
1415 | ||
1416 | boost::string_ref sref{iter.first}; | |
1417 | ||
1418 | size_t last_del = sref.find_last_of('/'); | |
1419 | if (last_del != string::npos) | |
1420 | sref.remove_prefix(last_del+1); | |
1421 | ||
1422 | lsubdout(cct, rgw, 15) << "RGWReaddirRequest " | |
1423 | << __func__ << " " | |
1424 | << "list uri=" << s->relative_uri << " " | |
1425 | << " prefix=" << prefix << " " | |
1426 | << " cpref=" << sref | |
1427 | << dendl; | |
1428 | ||
1429 | this->operator()(sref, next_marker, RGW_FS_TYPE_DIRECTORY); | |
1430 | ++ix; | |
1431 | } | |
1432 | } | |
1433 | ||
1434 | virtual void send_versioned_response() { | |
1435 | send_response(); | |
1436 | } | |
1437 | ||
1438 | bool eof() { | |
1439 | lsubdout(cct, rgw, 15) << "READDIR offset: " << *offset | |
1440 | << " next marker: " << next_marker | |
1441 | << " is_truncated: " << is_truncated | |
1442 | << dendl; | |
1443 | return !is_truncated; | |
1444 | } | |
1445 | ||
1446 | }; /* RGWReaddirRequest */ | |
1447 | ||
1448 | /* | |
1449 | dir has-children predicate (bucket objects) | |
1450 | */ | |
1451 | ||
1452 | class RGWRMdirCheck : public RGWLibRequest, | |
1453 | public RGWListBucket /* RGWOp */ | |
1454 | { | |
1455 | public: | |
1456 | const RGWFileHandle* rgw_fh; | |
1457 | bool valid; | |
1458 | bool has_children; | |
1459 | ||
1460 | RGWRMdirCheck (CephContext* _cct, RGWUserInfo *_user, | |
1461 | const RGWFileHandle* _rgw_fh) | |
1462 | : RGWLibRequest(_cct, _user), rgw_fh(_rgw_fh), valid(false), | |
1463 | has_children(false) { | |
1464 | default_max = 2; | |
1465 | op = this; | |
1466 | } | |
1467 | ||
1468 | bool only_bucket() override { return false; } | |
1469 | ||
1470 | int op_init() override { | |
1471 | // assign store, s, and dialect_handler | |
1472 | RGWObjectCtx* rados_ctx | |
1473 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
1474 | // framework promises to call op_init after parent init | |
1475 | assert(rados_ctx); | |
1476 | RGWOp::init(rados_ctx->store, get_state(), this); | |
1477 | op = this; // assign self as op: REQUIRED | |
1478 | return 0; | |
1479 | } | |
1480 | ||
1481 | int header_init() override { | |
1482 | struct req_state* s = get_state(); | |
1483 | s->info.method = "GET"; | |
1484 | s->op = OP_GET; | |
1485 | ||
1486 | std::string uri = "/" + rgw_fh->bucket_name() + "/"; | |
1487 | s->relative_uri = uri; | |
1488 | s->info.request_uri = uri; | |
1489 | s->info.effective_uri = uri; | |
1490 | s->info.request_params = ""; | |
1491 | s->info.domain = ""; /* XXX ? */ | |
1492 | ||
1493 | s->user = user; | |
1494 | ||
1495 | prefix = rgw_fh->relative_object_name(); | |
1496 | if (prefix.length() > 0) | |
1497 | prefix += "/"; | |
1498 | delimiter = '/'; | |
1499 | ||
1500 | return 0; | |
1501 | } | |
1502 | ||
1503 | int get_params() override { | |
1504 | max = default_max; | |
1505 | return 0; | |
1506 | } | |
1507 | ||
1508 | void send_response() override { | |
1509 | valid = true; | |
1510 | if ((objs.size() > 1) || | |
1511 | (! objs.empty() && | |
1512 | (objs.front().key.name != prefix))) { | |
1513 | has_children = true; | |
1514 | return; | |
1515 | } | |
1516 | for (auto& iter : common_prefixes) { | |
1517 | /* readdir never produces a name for this case */ | |
1518 | if (iter.first == "/") | |
1519 | continue; | |
1520 | has_children = true; | |
1521 | break; | |
1522 | } | |
1523 | } | |
1524 | ||
1525 | virtual void send_versioned_response() { | |
1526 | send_response(); | |
1527 | } | |
1528 | ||
1529 | }; /* RGWRMdirCheck */ | |
1530 | ||
1531 | /* | |
1532 | create bucket | |
1533 | */ | |
1534 | ||
1535 | class RGWCreateBucketRequest : public RGWLibRequest, | |
1536 | public RGWCreateBucket /* RGWOp */ | |
1537 | { | |
1538 | public: | |
1539 | const std::string& bucket_name; | |
1540 | ||
1541 | RGWCreateBucketRequest(CephContext* _cct, RGWUserInfo *_user, | |
1542 | std::string& _bname) | |
1543 | : RGWLibRequest(_cct, _user), bucket_name(_bname) { | |
1544 | op = this; | |
1545 | } | |
1546 | ||
1547 | bool only_bucket() override { return false; } | |
1548 | ||
1549 | int read_permissions(RGWOp* op_obj) override { | |
1550 | /* we ARE a 'create bucket' request (cf. rgw_rest.cc, ll. 1305-6) */ | |
1551 | return 0; | |
1552 | } | |
1553 | ||
1554 | int op_init() override { | |
1555 | // assign store, s, and dialect_handler | |
1556 | RGWObjectCtx* rados_ctx | |
1557 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
1558 | // framework promises to call op_init after parent init | |
1559 | assert(rados_ctx); | |
1560 | RGWOp::init(rados_ctx->store, get_state(), this); | |
1561 | op = this; // assign self as op: REQUIRED | |
1562 | return 0; | |
1563 | } | |
1564 | ||
1565 | int header_init() override { | |
1566 | ||
1567 | struct req_state* s = get_state(); | |
1568 | s->info.method = "PUT"; | |
1569 | s->op = OP_PUT; | |
1570 | ||
1571 | string uri = "/" + bucket_name; | |
1572 | /* XXX derp derp derp */ | |
1573 | s->relative_uri = uri; | |
1574 | s->info.request_uri = uri; // XXX | |
1575 | s->info.effective_uri = uri; | |
1576 | s->info.request_params = ""; | |
1577 | s->info.domain = ""; /* XXX ? */ | |
1578 | ||
1579 | // woo | |
1580 | s->user = user; | |
1581 | ||
1582 | return 0; | |
1583 | } | |
1584 | ||
1585 | int get_params() override { | |
1586 | struct req_state* s = get_state(); | |
1587 | RGWAccessControlPolicy_S3 s3policy(s->cct); | |
1588 | /* we don't have (any) headers, so just create canned ACLs */ | |
1589 | int ret = s3policy.create_canned(s->owner, s->bucket_owner, s->canned_acl); | |
1590 | policy = s3policy; | |
1591 | return ret; | |
1592 | } | |
1593 | ||
1594 | void send_response() override { | |
1595 | /* TODO: something (maybe) */ | |
1596 | } | |
1597 | }; /* RGWCreateBucketRequest */ | |
1598 | ||
1599 | /* | |
1600 | delete bucket | |
1601 | */ | |
1602 | ||
1603 | class RGWDeleteBucketRequest : public RGWLibRequest, | |
1604 | public RGWDeleteBucket /* RGWOp */ | |
1605 | { | |
1606 | public: | |
1607 | const std::string& bucket_name; | |
1608 | ||
1609 | RGWDeleteBucketRequest(CephContext* _cct, RGWUserInfo *_user, | |
1610 | std::string& _bname) | |
1611 | : RGWLibRequest(_cct, _user), bucket_name(_bname) { | |
1612 | op = this; | |
1613 | } | |
1614 | ||
1615 | bool only_bucket() override { return true; } | |
1616 | ||
1617 | int op_init() override { | |
1618 | // assign store, s, and dialect_handler | |
1619 | RGWObjectCtx* rados_ctx | |
1620 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
1621 | // framework promises to call op_init after parent init | |
1622 | assert(rados_ctx); | |
1623 | RGWOp::init(rados_ctx->store, get_state(), this); | |
1624 | op = this; // assign self as op: REQUIRED | |
1625 | return 0; | |
1626 | } | |
1627 | ||
1628 | int header_init() override { | |
1629 | ||
1630 | struct req_state* s = get_state(); | |
1631 | s->info.method = "DELETE"; | |
1632 | s->op = OP_DELETE; | |
1633 | ||
1634 | string uri = "/" + bucket_name; | |
1635 | /* XXX derp derp derp */ | |
1636 | s->relative_uri = uri; | |
1637 | s->info.request_uri = uri; // XXX | |
1638 | s->info.effective_uri = uri; | |
1639 | s->info.request_params = ""; | |
1640 | s->info.domain = ""; /* XXX ? */ | |
1641 | ||
1642 | // woo | |
1643 | s->user = user; | |
1644 | ||
1645 | return 0; | |
1646 | } | |
1647 | ||
1648 | void send_response() override {} | |
1649 | ||
1650 | }; /* RGWDeleteBucketRequest */ | |
1651 | ||
1652 | /* | |
1653 | put object | |
1654 | */ | |
1655 | class RGWPutObjRequest : public RGWLibRequest, | |
1656 | public RGWPutObj /* RGWOp */ | |
1657 | { | |
1658 | public: | |
1659 | const std::string& bucket_name; | |
1660 | const std::string& obj_name; | |
1661 | buffer::list& bl; /* XXX */ | |
1662 | size_t bytes_written; | |
1663 | ||
1664 | RGWPutObjRequest(CephContext* _cct, RGWUserInfo *_user, | |
1665 | const std::string& _bname, const std::string& _oname, | |
1666 | buffer::list& _bl) | |
1667 | : RGWLibRequest(_cct, _user), bucket_name(_bname), obj_name(_oname), | |
1668 | bl(_bl), bytes_written(0) { | |
1669 | op = this; | |
1670 | } | |
1671 | ||
1672 | bool only_bucket() override { return true; } | |
1673 | ||
1674 | int op_init() override { | |
1675 | // assign store, s, and dialect_handler | |
1676 | RGWObjectCtx* rados_ctx | |
1677 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
1678 | // framework promises to call op_init after parent init | |
1679 | assert(rados_ctx); | |
1680 | RGWOp::init(rados_ctx->store, get_state(), this); | |
1681 | op = this; // assign self as op: REQUIRED | |
1682 | ||
1683 | int rc = valid_s3_object_name(obj_name); | |
1684 | if (rc != 0) | |
1685 | return rc; | |
1686 | ||
1687 | return 0; | |
1688 | } | |
1689 | ||
1690 | int header_init() override { | |
1691 | ||
1692 | struct req_state* s = get_state(); | |
1693 | s->info.method = "PUT"; | |
1694 | s->op = OP_PUT; | |
1695 | ||
1696 | /* XXX derp derp derp */ | |
1697 | std::string uri = make_uri(bucket_name, obj_name); | |
1698 | s->relative_uri = uri; | |
1699 | s->info.request_uri = uri; // XXX | |
1700 | s->info.effective_uri = uri; | |
1701 | s->info.request_params = ""; | |
1702 | s->info.domain = ""; /* XXX ? */ | |
1703 | ||
1704 | /* XXX required in RGWOp::execute() */ | |
1705 | s->content_length = bl.length(); | |
1706 | ||
1707 | // woo | |
1708 | s->user = user; | |
1709 | ||
1710 | return 0; | |
1711 | } | |
1712 | ||
1713 | int get_params() override { | |
1714 | struct req_state* s = get_state(); | |
1715 | RGWAccessControlPolicy_S3 s3policy(s->cct); | |
1716 | /* we don't have (any) headers, so just create canned ACLs */ | |
1717 | int ret = s3policy.create_canned(s->owner, s->bucket_owner, s->canned_acl); | |
1718 | policy = s3policy; | |
1719 | return ret; | |
1720 | } | |
1721 | ||
1722 | int get_data(buffer::list& _bl) override { | |
1723 | /* XXX for now, use sharing semantics */ | |
1724 | _bl.claim(bl); | |
1725 | uint32_t len = _bl.length(); | |
1726 | bytes_written += len; | |
1727 | return len; | |
1728 | } | |
1729 | ||
1730 | void send_response() override {} | |
1731 | ||
1732 | int verify_params() override { | |
1733 | if (bl.length() > cct->_conf->rgw_max_put_size) | |
1734 | return -ERR_TOO_LARGE; | |
1735 | return 0; | |
1736 | } | |
1737 | ||
1738 | }; /* RGWPutObjRequest */ | |
1739 | ||
1740 | /* | |
1741 | get object | |
1742 | */ | |
1743 | ||
1744 | class RGWReadRequest : public RGWLibRequest, | |
1745 | public RGWGetObj /* RGWOp */ | |
1746 | { | |
1747 | public: | |
1748 | RGWFileHandle* rgw_fh; | |
1749 | void *ulp_buffer; | |
1750 | size_t nread; | |
1751 | size_t read_resid; /* initialize to len, <= sizeof(ulp_buffer) */ | |
1752 | bool do_hexdump = false; | |
1753 | ||
1754 | RGWReadRequest(CephContext* _cct, RGWUserInfo *_user, | |
1755 | RGWFileHandle* _rgw_fh, uint64_t off, uint64_t len, | |
1756 | void *_ulp_buffer) | |
1757 | : RGWLibRequest(_cct, _user), rgw_fh(_rgw_fh), ulp_buffer(_ulp_buffer), | |
1758 | nread(0), read_resid(len) { | |
1759 | op = this; | |
1760 | ||
1761 | /* fixup RGWGetObj (already know range parameters) */ | |
1762 | RGWGetObj::range_parsed = true; | |
1763 | RGWGetObj::get_data = true; // XXX | |
1764 | RGWGetObj::partial_content = true; | |
1765 | RGWGetObj::ofs = off; | |
1766 | RGWGetObj::end = off + len; | |
1767 | } | |
1768 | ||
1769 | bool only_bucket() override { return false; } | |
1770 | ||
1771 | int op_init() override { | |
1772 | // assign store, s, and dialect_handler | |
1773 | RGWObjectCtx* rados_ctx | |
1774 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
1775 | // framework promises to call op_init after parent init | |
1776 | assert(rados_ctx); | |
1777 | RGWOp::init(rados_ctx->store, get_state(), this); | |
1778 | op = this; // assign self as op: REQUIRED | |
1779 | return 0; | |
1780 | } | |
1781 | ||
1782 | int header_init() override { | |
1783 | ||
1784 | struct req_state* s = get_state(); | |
1785 | s->info.method = "GET"; | |
1786 | s->op = OP_GET; | |
1787 | ||
1788 | /* XXX derp derp derp */ | |
1789 | s->relative_uri = make_uri(rgw_fh->bucket_name(), | |
1790 | rgw_fh->relative_object_name()); | |
1791 | s->info.request_uri = s->relative_uri; // XXX | |
1792 | s->info.effective_uri = s->relative_uri; | |
1793 | s->info.request_params = ""; | |
1794 | s->info.domain = ""; /* XXX ? */ | |
1795 | ||
1796 | // woo | |
1797 | s->user = user; | |
1798 | ||
1799 | return 0; | |
1800 | } | |
1801 | ||
1802 | int get_params() override { | |
1803 | return 0; | |
1804 | } | |
1805 | ||
1806 | int send_response_data(ceph::buffer::list& bl, off_t bl_off, | |
1807 | off_t bl_len) override { | |
1808 | size_t bytes; | |
1809 | for (auto& bp : bl.buffers()) { | |
1810 | /* if for some reason bl_off indicates the start-of-data is not at | |
1811 | * the current buffer::ptr, skip it and account */ | |
1812 | if (bl_off > bp.length()) { | |
1813 | bl_off -= bp.length(); | |
1814 | continue; | |
1815 | } | |
1816 | /* read no more than read_resid */ | |
1817 | bytes = std::min(read_resid, size_t(bp.length()-bl_off)); | |
1818 | memcpy(static_cast<char*>(ulp_buffer)+nread, bp.c_str()+bl_off, bytes); | |
1819 | read_resid -= bytes; /* reduce read_resid by bytes read */ | |
1820 | nread += bytes; | |
1821 | bl_off = 0; | |
1822 | /* stop if we have no residual ulp_buffer */ | |
1823 | if (! read_resid) | |
1824 | break; | |
1825 | } | |
1826 | return 0; | |
1827 | } | |
1828 | ||
1829 | int send_response_data_error() override { | |
1830 | /* S3 implementation just sends nothing--there is no side effect | |
1831 | * to simulate here */ | |
1832 | return 0; | |
1833 | } | |
1834 | ||
1835 | }; /* RGWReadRequest */ | |
1836 | ||
1837 | /* | |
1838 | delete object | |
1839 | */ | |
1840 | ||
1841 | class RGWDeleteObjRequest : public RGWLibRequest, | |
1842 | public RGWDeleteObj /* RGWOp */ | |
1843 | { | |
1844 | public: | |
1845 | const std::string& bucket_name; | |
1846 | const std::string& obj_name; | |
1847 | ||
1848 | RGWDeleteObjRequest(CephContext* _cct, RGWUserInfo *_user, | |
1849 | const std::string& _bname, const std::string& _oname) | |
1850 | : RGWLibRequest(_cct, _user), bucket_name(_bname), obj_name(_oname) { | |
1851 | op = this; | |
1852 | } | |
1853 | ||
1854 | bool only_bucket() override { return true; } | |
1855 | ||
1856 | int op_init() override { | |
1857 | // assign store, s, and dialect_handler | |
1858 | RGWObjectCtx* rados_ctx | |
1859 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
1860 | // framework promises to call op_init after parent init | |
1861 | assert(rados_ctx); | |
1862 | RGWOp::init(rados_ctx->store, get_state(), this); | |
1863 | op = this; // assign self as op: REQUIRED | |
1864 | return 0; | |
1865 | } | |
1866 | ||
1867 | int header_init() override { | |
1868 | ||
1869 | struct req_state* s = get_state(); | |
1870 | s->info.method = "DELETE"; | |
1871 | s->op = OP_DELETE; | |
1872 | ||
1873 | /* XXX derp derp derp */ | |
1874 | std::string uri = make_uri(bucket_name, obj_name); | |
1875 | s->relative_uri = uri; | |
1876 | s->info.request_uri = uri; // XXX | |
1877 | s->info.effective_uri = uri; | |
1878 | s->info.request_params = ""; | |
1879 | s->info.domain = ""; /* XXX ? */ | |
1880 | ||
1881 | // woo | |
1882 | s->user = user; | |
1883 | ||
1884 | return 0; | |
1885 | } | |
1886 | ||
1887 | void send_response() override {} | |
1888 | ||
1889 | }; /* RGWDeleteObjRequest */ | |
1890 | ||
1891 | class RGWStatObjRequest : public RGWLibRequest, | |
1892 | public RGWGetObj /* RGWOp */ | |
1893 | { | |
1894 | public: | |
1895 | const std::string& bucket_name; | |
1896 | const std::string& obj_name; | |
1897 | uint64_t _size; | |
1898 | uint32_t flags; | |
1899 | ||
1900 | static constexpr uint32_t FLAG_NONE = 0x000; | |
1901 | ||
1902 | RGWStatObjRequest(CephContext* _cct, RGWUserInfo *_user, | |
1903 | const std::string& _bname, const std::string& _oname, | |
1904 | uint32_t _flags) | |
1905 | : RGWLibRequest(_cct, _user), bucket_name(_bname), obj_name(_oname), | |
1906 | _size(0), flags(_flags) { | |
1907 | op = this; | |
1908 | ||
1909 | /* fixup RGWGetObj (already know range parameters) */ | |
1910 | RGWGetObj::range_parsed = true; | |
1911 | RGWGetObj::get_data = false; // XXX | |
1912 | RGWGetObj::partial_content = true; | |
1913 | RGWGetObj::ofs = 0; | |
1914 | RGWGetObj::end = UINT64_MAX; | |
1915 | } | |
1916 | ||
1917 | const string name() override { return "stat_obj"; } | |
1918 | RGWOpType get_type() override { return RGW_OP_STAT_OBJ; } | |
1919 | ||
1920 | real_time get_mtime() const { | |
1921 | return lastmod; | |
1922 | } | |
1923 | ||
1924 | /* attributes */ | |
1925 | uint64_t get_size() { return _size; } | |
1926 | real_time ctime() { return mod_time; } // XXX | |
1927 | real_time mtime() { return mod_time; } | |
1928 | std::map<string, bufferlist>& get_attrs() { return attrs; } | |
1929 | ||
1930 | buffer::list* get_attr(const std::string& k) { | |
1931 | auto iter = attrs.find(k); | |
1932 | return (iter != attrs.end()) ? &(iter->second) : nullptr; | |
1933 | } | |
1934 | ||
1935 | bool only_bucket() override { return false; } | |
1936 | ||
1937 | int op_init() override { | |
1938 | // assign store, s, and dialect_handler | |
1939 | RGWObjectCtx* rados_ctx | |
1940 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
1941 | // framework promises to call op_init after parent init | |
1942 | assert(rados_ctx); | |
1943 | RGWOp::init(rados_ctx->store, get_state(), this); | |
1944 | op = this; // assign self as op: REQUIRED | |
1945 | return 0; | |
1946 | } | |
1947 | ||
1948 | int header_init() override { | |
1949 | ||
1950 | struct req_state* s = get_state(); | |
1951 | s->info.method = "GET"; | |
1952 | s->op = OP_GET; | |
1953 | ||
1954 | /* XXX derp derp derp */ | |
1955 | s->relative_uri = make_uri(bucket_name, obj_name); | |
1956 | s->info.request_uri = s->relative_uri; // XXX | |
1957 | s->info.effective_uri = s->relative_uri; | |
1958 | s->info.request_params = ""; | |
1959 | s->info.domain = ""; /* XXX ? */ | |
1960 | ||
1961 | // woo | |
1962 | s->user = user; | |
1963 | ||
1964 | return 0; | |
1965 | } | |
1966 | ||
1967 | int get_params() override { | |
1968 | return 0; | |
1969 | } | |
1970 | ||
1971 | int send_response_data(ceph::buffer::list& _bl, off_t s_off, | |
1972 | off_t e_off) override { | |
1973 | /* NOP */ | |
1974 | /* XXX save attrs? */ | |
1975 | return 0; | |
1976 | } | |
1977 | ||
1978 | int send_response_data_error() override { | |
1979 | /* NOP */ | |
1980 | return 0; | |
1981 | } | |
1982 | ||
1983 | void execute() override { | |
1984 | RGWGetObj::execute(); | |
1985 | _size = get_state()->obj_size; | |
1986 | } | |
1987 | ||
1988 | }; /* RGWStatObjRequest */ | |
1989 | ||
1990 | class RGWStatBucketRequest : public RGWLibRequest, | |
1991 | public RGWStatBucket /* RGWOp */ | |
1992 | { | |
1993 | public: | |
1994 | std::string uri; | |
1995 | std::map<std::string, buffer::list> attrs; | |
1996 | RGWLibFS::BucketStats& bs; | |
1997 | ||
1998 | RGWStatBucketRequest(CephContext* _cct, RGWUserInfo *_user, | |
1999 | const std::string& _path, | |
2000 | RGWLibFS::BucketStats& _stats) | |
2001 | : RGWLibRequest(_cct, _user), bs(_stats) { | |
2002 | uri = "/" + _path; | |
2003 | op = this; | |
2004 | } | |
2005 | ||
2006 | buffer::list* get_attr(const std::string& k) { | |
2007 | auto iter = attrs.find(k); | |
2008 | return (iter != attrs.end()) ? &(iter->second) : nullptr; | |
2009 | } | |
2010 | ||
2011 | real_time get_ctime() const { | |
2012 | return bucket.creation_time; | |
2013 | } | |
2014 | ||
2015 | bool only_bucket() override { return false; } | |
2016 | ||
2017 | int op_init() override { | |
2018 | // assign store, s, and dialect_handler | |
2019 | RGWObjectCtx* rados_ctx | |
2020 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
2021 | // framework promises to call op_init after parent init | |
2022 | assert(rados_ctx); | |
2023 | RGWOp::init(rados_ctx->store, get_state(), this); | |
2024 | op = this; // assign self as op: REQUIRED | |
2025 | return 0; | |
2026 | } | |
2027 | ||
2028 | int header_init() override { | |
2029 | ||
2030 | struct req_state* s = get_state(); | |
2031 | s->info.method = "GET"; | |
2032 | s->op = OP_GET; | |
2033 | ||
2034 | /* XXX derp derp derp */ | |
2035 | s->relative_uri = uri; | |
2036 | s->info.request_uri = uri; // XXX | |
2037 | s->info.effective_uri = uri; | |
2038 | s->info.request_params = ""; | |
2039 | s->info.domain = ""; /* XXX ? */ | |
2040 | ||
2041 | // woo | |
2042 | s->user = user; | |
2043 | ||
2044 | return 0; | |
2045 | } | |
2046 | ||
2047 | virtual int get_params() { | |
2048 | return 0; | |
2049 | } | |
2050 | ||
2051 | void send_response() override { | |
2052 | bucket.creation_time = get_state()->bucket_info.creation_time; | |
2053 | bs.size = bucket.size; | |
2054 | bs.size_rounded = bucket.size_rounded; | |
2055 | bs.creation_time = bucket.creation_time; | |
2056 | bs.num_entries = bucket.count; | |
2057 | std::swap(attrs, get_state()->bucket_attrs); | |
2058 | } | |
2059 | ||
2060 | bool matched() { | |
2061 | return (bucket.bucket.name.length() > 0); | |
2062 | } | |
2063 | ||
2064 | }; /* RGWStatBucketRequest */ | |
2065 | ||
2066 | class RGWStatLeafRequest : public RGWLibRequest, | |
2067 | public RGWListBucket /* RGWOp */ | |
2068 | { | |
2069 | public: | |
2070 | RGWFileHandle* rgw_fh; | |
2071 | std::string path; | |
2072 | bool matched; | |
2073 | bool is_dir; | |
2074 | bool exact_matched; | |
2075 | ||
2076 | RGWStatLeafRequest(CephContext* _cct, RGWUserInfo *_user, | |
2077 | RGWFileHandle* _rgw_fh, const std::string& _path) | |
2078 | : RGWLibRequest(_cct, _user), rgw_fh(_rgw_fh), path(_path), | |
2079 | matched(false), is_dir(false), exact_matched(false) { | |
2080 | default_max = 1000; // logical max {"foo", "foo/"} | |
2081 | op = this; | |
2082 | } | |
2083 | ||
2084 | bool only_bucket() override { return false; } | |
2085 | ||
2086 | int op_init() override { | |
2087 | // assign store, s, and dialect_handler | |
2088 | RGWObjectCtx* rados_ctx | |
2089 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
2090 | // framework promises to call op_init after parent init | |
2091 | assert(rados_ctx); | |
2092 | RGWOp::init(rados_ctx->store, get_state(), this); | |
2093 | op = this; // assign self as op: REQUIRED | |
2094 | return 0; | |
2095 | } | |
2096 | ||
2097 | int header_init() override { | |
2098 | ||
2099 | struct req_state* s = get_state(); | |
2100 | s->info.method = "GET"; | |
2101 | s->op = OP_GET; | |
2102 | ||
2103 | /* XXX derp derp derp */ | |
2104 | std::string uri = "/" + rgw_fh->bucket_name() + "/"; | |
2105 | s->relative_uri = uri; | |
2106 | s->info.request_uri = uri; // XXX | |
2107 | s->info.effective_uri = uri; | |
2108 | s->info.request_params = ""; | |
2109 | s->info.domain = ""; /* XXX ? */ | |
2110 | ||
2111 | // woo | |
2112 | s->user = user; | |
2113 | ||
2114 | prefix = rgw_fh->relative_object_name(); | |
2115 | if (prefix.length() > 0) | |
2116 | prefix += "/"; | |
2117 | prefix += path; | |
2118 | delimiter = '/'; | |
2119 | ||
2120 | return 0; | |
2121 | } | |
2122 | ||
2123 | int get_params() override { | |
2124 | max = default_max; | |
2125 | return 0; | |
2126 | } | |
2127 | ||
2128 | void send_response() override { | |
2129 | struct req_state* s = get_state(); | |
2130 | // try objects | |
2131 | for (const auto& iter : objs) { | |
2132 | auto& name = iter.key.name; | |
2133 | lsubdout(cct, rgw, 15) << "RGWStatLeafRequest " | |
2134 | << __func__ << " " | |
2135 | << "list uri=" << s->relative_uri << " " | |
2136 | << " prefix=" << prefix << " " | |
2137 | << " obj path=" << name << "" | |
2138 | << " target = " << path << "" | |
2139 | << dendl; | |
2140 | /* XXX is there a missing match-dir case (trailing '/')? */ | |
2141 | matched = true; | |
2142 | if (name == path) | |
2143 | exact_matched = true; | |
2144 | return; | |
2145 | } | |
2146 | // try prefixes | |
2147 | for (auto& iter : common_prefixes) { | |
2148 | auto& name = iter.first; | |
2149 | lsubdout(cct, rgw, 15) << "RGWStatLeafRequest " | |
2150 | << __func__ << " " | |
2151 | << "list uri=" << s->relative_uri << " " | |
2152 | << " prefix=" << prefix << " " | |
2153 | << " pref path=" << name << " (not chomped)" | |
2154 | << " target = " << path << "" | |
2155 | << dendl; | |
2156 | matched = true; | |
2157 | is_dir = true; | |
2158 | break; | |
2159 | } | |
2160 | } | |
2161 | ||
2162 | virtual void send_versioned_response() { | |
2163 | send_response(); | |
2164 | } | |
2165 | }; /* RGWStatLeafRequest */ | |
2166 | ||
2167 | /* | |
2168 | put object | |
2169 | */ | |
2170 | ||
2171 | class RGWWriteRequest : public RGWLibContinuedReq, | |
2172 | public RGWPutObj /* RGWOp */ | |
2173 | { | |
2174 | public: | |
2175 | const std::string& bucket_name; | |
2176 | const std::string& obj_name; | |
2177 | RGWFileHandle* rgw_fh; | |
2178 | RGWPutObjProcessor *processor; | |
2179 | buffer::list data; | |
2180 | uint64_t timer_id; | |
2181 | MD5 hash; | |
2182 | off_t real_ofs; | |
2183 | size_t bytes_written; | |
2184 | bool multipart; | |
2185 | bool eio; | |
2186 | ||
2187 | RGWWriteRequest(CephContext* _cct, RGWUserInfo *_user, RGWFileHandle* _fh, | |
2188 | const std::string& _bname, const std::string& _oname) | |
2189 | : RGWLibContinuedReq(_cct, _user), bucket_name(_bname), obj_name(_oname), | |
2190 | rgw_fh(_fh), processor(nullptr), real_ofs(0), bytes_written(0), | |
2191 | multipart(false), eio(false) { | |
2192 | ||
2193 | int ret = header_init(); | |
2194 | if (ret == 0) { | |
2195 | ret = init_from_header(get_state()); | |
2196 | } | |
2197 | op = this; | |
2198 | } | |
2199 | ||
2200 | bool only_bucket() override { return true; } | |
2201 | ||
2202 | int op_init() override { | |
2203 | // assign store, s, and dialect_handler | |
2204 | RGWObjectCtx* rados_ctx | |
2205 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
2206 | // framework promises to call op_init after parent init | |
2207 | assert(rados_ctx); | |
2208 | RGWOp::init(rados_ctx->store, get_state(), this); | |
2209 | op = this; // assign self as op: REQUIRED | |
2210 | return 0; | |
2211 | } | |
2212 | ||
2213 | int header_init() override { | |
2214 | ||
2215 | struct req_state* s = get_state(); | |
2216 | s->info.method = "PUT"; | |
2217 | s->op = OP_PUT; | |
2218 | ||
2219 | /* XXX derp derp derp */ | |
2220 | std::string uri = make_uri(bucket_name, obj_name); | |
2221 | s->relative_uri = uri; | |
2222 | s->info.request_uri = uri; // XXX | |
2223 | s->info.effective_uri = uri; | |
2224 | s->info.request_params = ""; | |
2225 | s->info.domain = ""; /* XXX ? */ | |
2226 | ||
2227 | // woo | |
2228 | s->user = user; | |
2229 | ||
2230 | return 0; | |
2231 | } | |
2232 | ||
2233 | RGWPutObjProcessor *select_processor(RGWObjectCtx& obj_ctx, | |
2234 | bool *is_multipart) override { | |
2235 | struct req_state* s = get_state(); | |
2236 | uint64_t part_size = s->cct->_conf->rgw_obj_stripe_size; | |
2237 | RGWPutObjProcessor_Atomic *processor = | |
2238 | new RGWPutObjProcessor_Atomic(obj_ctx, s->bucket_info, s->bucket, | |
2239 | s->object.name, part_size, s->req_id, | |
2240 | s->bucket_info.versioning_enabled()); | |
2241 | processor->set_olh_epoch(olh_epoch); | |
2242 | processor->set_version_id(version_id); | |
2243 | return processor; | |
2244 | } | |
2245 | ||
2246 | int get_params() override { | |
2247 | struct req_state* s = get_state(); | |
2248 | RGWAccessControlPolicy_S3 s3policy(s->cct); | |
2249 | /* we don't have (any) headers, so just create canned ACLs */ | |
2250 | int ret = s3policy.create_canned(s->owner, s->bucket_owner, s->canned_acl); | |
2251 | policy = s3policy; | |
2252 | return ret; | |
2253 | } | |
2254 | ||
2255 | int get_data(buffer::list& _bl) override { | |
2256 | /* XXX for now, use sharing semantics */ | |
2257 | uint32_t len = data.length(); | |
2258 | _bl.claim(data); | |
2259 | bytes_written += len; | |
2260 | return len; | |
2261 | } | |
2262 | ||
2263 | void put_data(off_t off, buffer::list& _bl) { | |
2264 | if (off != real_ofs) { | |
2265 | eio = true; | |
2266 | } | |
2267 | data.claim(_bl); | |
2268 | real_ofs += data.length(); | |
2269 | ofs = off; /* consumed in exec_continue() */ | |
2270 | } | |
2271 | ||
2272 | int exec_start() override; | |
2273 | int exec_continue() override; | |
2274 | int exec_finish() override; | |
2275 | ||
2276 | void send_response() override {} | |
2277 | ||
2278 | int verify_params() override { | |
2279 | return 0; | |
2280 | } | |
2281 | }; /* RGWWriteRequest */ | |
2282 | ||
2283 | /* | |
2284 | copy object | |
2285 | */ | |
2286 | class RGWCopyObjRequest : public RGWLibRequest, | |
2287 | public RGWCopyObj /* RGWOp */ | |
2288 | { | |
2289 | public: | |
2290 | RGWFileHandle* src_parent; | |
2291 | RGWFileHandle* dst_parent; | |
2292 | const std::string& src_name; | |
2293 | const std::string& dst_name; | |
2294 | ||
2295 | RGWCopyObjRequest(CephContext* _cct, RGWUserInfo *_user, | |
2296 | RGWFileHandle* _src_parent, RGWFileHandle* _dst_parent, | |
2297 | const std::string& _src_name, const std::string& _dst_name) | |
2298 | : RGWLibRequest(_cct, _user), src_parent(_src_parent), | |
2299 | dst_parent(_dst_parent), src_name(_src_name), dst_name(_dst_name) { | |
2300 | /* all requests have this */ | |
2301 | op = this; | |
2302 | ||
2303 | /* allow this request to replace selected attrs */ | |
2304 | attrs_mod = RGWRados::ATTRSMOD_MERGE; | |
2305 | } | |
2306 | ||
2307 | bool only_bucket() override { return true; } | |
2308 | ||
2309 | int op_init() override { | |
2310 | // assign store, s, and dialect_handler | |
2311 | RGWObjectCtx* rados_ctx | |
2312 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
2313 | // framework promises to call op_init after parent init | |
2314 | assert(rados_ctx); | |
2315 | RGWOp::init(rados_ctx->store, get_state(), this); | |
2316 | op = this; // assign self as op: REQUIRED | |
2317 | ||
2318 | return 0; | |
2319 | } | |
2320 | ||
2321 | int header_init() override { | |
2322 | ||
2323 | struct req_state* s = get_state(); | |
2324 | s->info.method = "PUT"; // XXX check | |
2325 | s->op = OP_PUT; | |
2326 | ||
2327 | src_bucket_name = src_parent->bucket_name(); | |
2328 | // need s->src_bucket_name? | |
2329 | src_object.name = src_parent->format_child_name(src_name, false); | |
2330 | // need s->src_object? | |
2331 | ||
2332 | dest_bucket_name = dst_parent->bucket_name(); | |
2333 | // need s->bucket.name? | |
2334 | dest_object = dst_parent->format_child_name(dst_name, false); | |
2335 | // need s->object_name? | |
2336 | ||
2337 | int rc = valid_s3_object_name(dest_object); | |
2338 | if (rc != 0) | |
2339 | return rc; | |
2340 | ||
2341 | /* XXX and fixup key attr (could optimize w/string ref and | |
2342 | * dest_object) */ | |
2343 | buffer::list ux_key; | |
2344 | std::string key_name{dst_parent->make_key_name(dst_name.c_str())}; | |
2345 | fh_key fhk = dst_parent->make_fhk(key_name); | |
2346 | rgw::encode(fhk, ux_key); | |
2347 | emplace_attr(RGW_ATTR_UNIX_KEY1, std::move(ux_key)); | |
2348 | ||
2349 | #if 0 /* XXX needed? */ | |
2350 | s->relative_uri = uri; | |
2351 | s->info.request_uri = uri; // XXX | |
2352 | s->info.effective_uri = uri; | |
2353 | s->info.request_params = ""; | |
2354 | s->info.domain = ""; /* XXX ? */ | |
2355 | #endif | |
2356 | ||
2357 | // woo | |
2358 | s->user = user; | |
2359 | ||
2360 | return 0; | |
2361 | } | |
2362 | ||
2363 | int get_params() override { | |
2364 | struct req_state* s = get_state(); | |
2365 | RGWAccessControlPolicy_S3 s3policy(s->cct); | |
2366 | /* we don't have (any) headers, so just create canned ACLs */ | |
2367 | int ret = s3policy.create_canned(s->owner, s->bucket_owner, s->canned_acl); | |
2368 | dest_policy = s3policy; | |
2369 | return ret; | |
2370 | } | |
2371 | ||
2372 | void send_response() override {} | |
2373 | void send_partial_response(off_t ofs) override {} | |
2374 | ||
2375 | }; /* RGWCopyObjRequest */ | |
2376 | ||
2377 | class RGWSetAttrsRequest : public RGWLibRequest, | |
2378 | public RGWSetAttrs /* RGWOp */ | |
2379 | { | |
2380 | public: | |
2381 | const std::string& bucket_name; | |
2382 | const std::string& obj_name; | |
2383 | ||
2384 | RGWSetAttrsRequest(CephContext* _cct, RGWUserInfo *_user, | |
2385 | const std::string& _bname, const std::string& _oname) | |
2386 | : RGWLibRequest(_cct, _user), bucket_name(_bname), obj_name(_oname) { | |
2387 | op = this; | |
2388 | } | |
2389 | ||
2390 | bool only_bucket() override { return false; } | |
2391 | ||
2392 | int op_init() override { | |
2393 | // assign store, s, and dialect_handler | |
2394 | RGWObjectCtx* rados_ctx | |
2395 | = static_cast<RGWObjectCtx*>(get_state()->obj_ctx); | |
2396 | // framework promises to call op_init after parent init | |
2397 | assert(rados_ctx); | |
2398 | RGWOp::init(rados_ctx->store, get_state(), this); | |
2399 | op = this; // assign self as op: REQUIRED | |
2400 | return 0; | |
2401 | } | |
2402 | ||
2403 | int header_init() override { | |
2404 | ||
2405 | struct req_state* s = get_state(); | |
2406 | s->info.method = "PUT"; | |
2407 | s->op = OP_PUT; | |
2408 | ||
2409 | /* XXX derp derp derp */ | |
2410 | std::string uri = make_uri(bucket_name, obj_name); | |
2411 | s->relative_uri = uri; | |
2412 | s->info.request_uri = uri; // XXX | |
2413 | s->info.effective_uri = uri; | |
2414 | s->info.request_params = ""; | |
2415 | s->info.domain = ""; /* XXX ? */ | |
2416 | ||
2417 | // woo | |
2418 | s->user = user; | |
2419 | ||
2420 | return 0; | |
2421 | } | |
2422 | ||
2423 | int get_params() override { | |
2424 | return 0; | |
2425 | } | |
2426 | ||
2427 | void send_response() override {} | |
2428 | ||
2429 | }; /* RGWSetAttrsRequest */ | |
2430 | ||
2431 | } /* namespace rgw */ | |
2432 | ||
2433 | #endif /* RGW_FILE_H */ |