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1 | #ifndef CEPH_CLS_RGW_CLIENT_H |
2 | #define CEPH_CLS_RGW_CLIENT_H | |
3 | ||
4 | #include "include/types.h" | |
5 | #include "include/str_list.h" | |
6 | #include "include/rados/librados.hpp" | |
7 | #include "cls_rgw_types.h" | |
8 | #include "cls_rgw_ops.h" | |
9 | #include "common/RefCountedObj.h" | |
10 | #include "include/compat.h" | |
11 | #include "common/ceph_time.h" | |
12 | ||
13 | // Forward declaration | |
14 | class BucketIndexAioManager; | |
15 | ||
16 | /* | |
17 | * Bucket index AIO request argument, this is used to pass a argument | |
18 | * to callback. | |
19 | */ | |
20 | struct BucketIndexAioArg : public RefCountedObject { | |
21 | BucketIndexAioArg(int _id, BucketIndexAioManager* _manager) : | |
22 | id(_id), manager(_manager) {} | |
23 | int id; | |
24 | BucketIndexAioManager* manager; | |
25 | }; | |
26 | ||
27 | /* | |
28 | * This class manages AIO completions. This class is not completely thread-safe, | |
29 | * methods like *get_next* is not thread-safe and is expected to be called from | |
30 | * within one thread. | |
31 | */ | |
32 | class BucketIndexAioManager { | |
33 | private: | |
34 | map<int, librados::AioCompletion*> pendings; | |
35 | map<int, librados::AioCompletion*> completions; | |
36 | map<int, string> pending_objs; | |
37 | map<int, string> completion_objs; | |
38 | int next; | |
39 | Mutex lock; | |
40 | Cond cond; | |
41 | /* | |
42 | * Callback implementation for AIO request. | |
43 | */ | |
44 | static void bucket_index_op_completion_cb(void* cb, void* arg) { | |
45 | BucketIndexAioArg* cb_arg = (BucketIndexAioArg*) arg; | |
46 | cb_arg->manager->do_completion(cb_arg->id); | |
47 | cb_arg->put(); | |
48 | } | |
49 | ||
50 | /* | |
51 | * Get next request ID. This method is not thread-safe. | |
52 | * | |
53 | * Return next request ID. | |
54 | */ | |
55 | int get_next() { return next++; } | |
56 | ||
57 | /* | |
58 | * Add a new pending AIO completion instance. | |
59 | * | |
60 | * @param id - the request ID. | |
61 | * @param completion - the AIO completion instance. | |
62 | * @param oid - the object id associated with the object, if it is NULL, we don't | |
63 | * track the object id per callback. | |
64 | */ | |
65 | void add_pending(int id, librados::AioCompletion* completion, const string& oid) { | |
66 | pendings[id] = completion; | |
67 | pending_objs[id] = oid; | |
68 | } | |
69 | public: | |
70 | /* | |
71 | * Create a new instance. | |
72 | */ | |
73 | BucketIndexAioManager() : next(0), lock("BucketIndexAioManager::lock") {} | |
74 | ||
75 | ||
76 | /* | |
77 | * Do completion for the given AIO request. | |
78 | */ | |
79 | void do_completion(int id); | |
80 | ||
81 | /* | |
82 | * Wait for AIO completions. | |
83 | * | |
84 | * valid_ret_code - valid AIO return code. | |
85 | * num_completions - number of completions. | |
86 | * ret_code - return code of failed AIO. | |
87 | * objs - a list of objects that has been finished the AIO. | |
88 | * | |
89 | * Return false if there is no pending AIO, true otherwise. | |
90 | */ | |
91 | bool wait_for_completions(int valid_ret_code, int *num_completions, int *ret_code, | |
92 | map<int, string> *objs); | |
93 | ||
94 | /** | |
95 | * Do aio read operation. | |
96 | */ | |
97 | bool aio_operate(librados::IoCtx& io_ctx, const string& oid, librados::ObjectReadOperation *op) { | |
98 | Mutex::Locker l(lock); | |
99 | BucketIndexAioArg *arg = new BucketIndexAioArg(get_next(), this); | |
100 | librados::AioCompletion *c = librados::Rados::aio_create_completion((void*)arg, NULL, bucket_index_op_completion_cb); | |
101 | int r = io_ctx.aio_operate(oid, c, (librados::ObjectReadOperation*)op, NULL); | |
102 | if (r >= 0) { | |
103 | add_pending(arg->id, c, oid); | |
104 | } else { | |
105 | c->release(); | |
106 | } | |
107 | return r; | |
108 | } | |
109 | ||
110 | /** | |
111 | * Do aio write operation. | |
112 | */ | |
113 | bool aio_operate(librados::IoCtx& io_ctx, const string& oid, librados::ObjectWriteOperation *op) { | |
114 | Mutex::Locker l(lock); | |
115 | BucketIndexAioArg *arg = new BucketIndexAioArg(get_next(), this); | |
116 | librados::AioCompletion *c = librados::Rados::aio_create_completion((void*)arg, NULL, bucket_index_op_completion_cb); | |
117 | int r = io_ctx.aio_operate(oid, c, (librados::ObjectWriteOperation*)op); | |
118 | if (r >= 0) { | |
119 | add_pending(arg->id, c, oid); | |
120 | } else { | |
121 | c->release(); | |
122 | } | |
123 | return r; | |
124 | } | |
125 | }; | |
126 | ||
127 | class RGWGetDirHeader_CB : public RefCountedObject { | |
128 | public: | |
129 | ~RGWGetDirHeader_CB() override {} | |
130 | virtual void handle_response(int r, rgw_bucket_dir_header& header) = 0; | |
131 | }; | |
132 | ||
133 | class BucketIndexShardsManager { | |
134 | private: | |
135 | // Per shard setting manager, for example, marker. | |
136 | map<int, string> value_by_shards; | |
137 | public: | |
138 | const static string KEY_VALUE_SEPARATOR; | |
139 | const static string SHARDS_SEPARATOR; | |
140 | ||
141 | void add(int shard, const string& value) { | |
142 | value_by_shards[shard] = value; | |
143 | } | |
144 | ||
145 | const string& get(int shard, const string& default_value) { | |
146 | map<int, string>::iterator iter = value_by_shards.find(shard); | |
147 | return (iter == value_by_shards.end() ? default_value : iter->second); | |
148 | } | |
149 | ||
150 | map<int, string>& get() { | |
151 | return value_by_shards; | |
152 | } | |
153 | ||
154 | bool empty() { | |
155 | return value_by_shards.empty(); | |
156 | } | |
157 | ||
158 | void to_string(string *out) const { | |
159 | if (!out) { | |
160 | return; | |
161 | } | |
162 | out->clear(); | |
163 | map<int, string>::const_iterator iter = value_by_shards.begin(); | |
164 | for (; iter != value_by_shards.end(); ++iter) { | |
165 | if (out->length()) { | |
166 | // Not the first item, append a separator first | |
167 | out->append(SHARDS_SEPARATOR); | |
168 | } | |
169 | char buf[16]; | |
170 | snprintf(buf, sizeof(buf), "%d", iter->first); | |
171 | out->append(buf); | |
172 | out->append(KEY_VALUE_SEPARATOR); | |
173 | out->append(iter->second); | |
174 | } | |
175 | } | |
176 | ||
177 | static bool is_shards_marker(const string& marker) { | |
178 | return marker.find(KEY_VALUE_SEPARATOR) != string::npos; | |
179 | } | |
180 | ||
181 | /* | |
182 | * convert from string. There are two options of how the string looks like: | |
183 | * | |
184 | * 1. Single shard, no shard id specified, e.g. 000001.23.1 | |
185 | * | |
186 | * for this case, if passed shard_id >= 0, use this shard id, otherwise assume that it's a | |
187 | * bucket with no shards. | |
188 | * | |
189 | * 2. One or more shards, shard id specified for each shard, e.g., 0#00002.12,1#00003.23.2 | |
190 | * | |
191 | */ | |
192 | int from_string(const string& composed_marker, int shard_id) { | |
193 | value_by_shards.clear(); | |
194 | vector<string> shards; | |
195 | get_str_vec(composed_marker, SHARDS_SEPARATOR.c_str(), shards); | |
196 | if (shards.size() > 1 && shard_id >= 0) { | |
197 | return -EINVAL; | |
198 | } | |
199 | vector<string>::const_iterator iter = shards.begin(); | |
200 | for (; iter != shards.end(); ++iter) { | |
201 | size_t pos = iter->find(KEY_VALUE_SEPARATOR); | |
202 | if (pos == string::npos) { | |
203 | if (!value_by_shards.empty()) { | |
204 | return -EINVAL; | |
205 | } | |
206 | if (shard_id < 0) { | |
207 | add(0, *iter); | |
208 | } else { | |
209 | add(shard_id, *iter); | |
210 | } | |
211 | return 0; | |
212 | } | |
213 | string shard_str = iter->substr(0, pos); | |
214 | string err; | |
215 | int shard = (int)strict_strtol(shard_str.c_str(), 10, &err); | |
216 | if (!err.empty()) { | |
217 | return -EINVAL; | |
218 | } | |
219 | add(shard, iter->substr(pos + 1)); | |
220 | } | |
221 | return 0; | |
222 | } | |
223 | }; | |
224 | ||
225 | /* bucket index */ | |
226 | void cls_rgw_bucket_init(librados::ObjectWriteOperation& o); | |
227 | ||
228 | class CLSRGWConcurrentIO { | |
229 | protected: | |
230 | librados::IoCtx& io_ctx; | |
231 | map<int, string>& objs_container; | |
232 | map<int, string>::iterator iter; | |
233 | uint32_t max_aio; | |
234 | BucketIndexAioManager manager; | |
235 | ||
236 | virtual int issue_op(int shard_id, const string& oid) = 0; | |
237 | ||
238 | virtual void cleanup() {} | |
239 | virtual int valid_ret_code() { return 0; } | |
240 | // Return true if multiple rounds of OPs might be needed, this happens when | |
241 | // OP needs to be re-send until a certain code is returned. | |
242 | virtual bool need_multiple_rounds() { return false; } | |
243 | // Add a new object to the end of the container. | |
244 | virtual void add_object(int shard, const string& oid) {} | |
245 | virtual void reset_container(map<int, string>& objs) {} | |
246 | ||
247 | public: | |
248 | CLSRGWConcurrentIO(librados::IoCtx& ioc, map<int, string>& _objs_container, | |
249 | uint32_t _max_aio) : io_ctx(ioc), objs_container(_objs_container), max_aio(_max_aio) {} | |
250 | virtual ~CLSRGWConcurrentIO() {} | |
251 | ||
252 | int operator()() { | |
253 | int ret = 0; | |
254 | iter = objs_container.begin(); | |
255 | for (; iter != objs_container.end() && max_aio-- > 0; ++iter) { | |
256 | ret = issue_op(iter->first, iter->second); | |
257 | if (ret < 0) | |
258 | break; | |
259 | } | |
260 | ||
261 | int num_completions, r = 0; | |
262 | map<int, string> objs; | |
263 | map<int, string> *pobjs = (need_multiple_rounds() ? &objs : NULL); | |
264 | while (manager.wait_for_completions(valid_ret_code(), &num_completions, &r, pobjs)) { | |
265 | if (r >= 0 && ret >= 0) { | |
266 | for(int i = 0; i < num_completions && iter != objs_container.end(); ++i, ++iter) { | |
267 | int issue_ret = issue_op(iter->first, iter->second); | |
268 | if(issue_ret < 0) { | |
269 | ret = issue_ret; | |
270 | break; | |
271 | } | |
272 | } | |
273 | } else if (ret >= 0) { | |
274 | ret = r; | |
275 | } | |
276 | if (need_multiple_rounds() && iter == objs_container.end() && !objs.empty()) { | |
277 | // For those objects which need another round, use them to reset | |
278 | // the container | |
279 | reset_container(objs); | |
280 | } | |
281 | } | |
282 | ||
283 | if (ret < 0) { | |
284 | cleanup(); | |
285 | } | |
286 | return ret; | |
287 | } | |
288 | }; | |
289 | ||
290 | class CLSRGWIssueBucketIndexInit : public CLSRGWConcurrentIO { | |
291 | protected: | |
292 | int issue_op(int shard_id, const string& oid) override; | |
293 | int valid_ret_code() override { return -EEXIST; } | |
294 | void cleanup() override; | |
295 | public: | |
296 | CLSRGWIssueBucketIndexInit(librados::IoCtx& ioc, map<int, string>& _bucket_objs, | |
297 | uint32_t _max_aio) : | |
298 | CLSRGWConcurrentIO(ioc, _bucket_objs, _max_aio) {} | |
299 | }; | |
300 | ||
301 | class CLSRGWIssueSetTagTimeout : public CLSRGWConcurrentIO { | |
302 | uint64_t tag_timeout; | |
303 | protected: | |
304 | int issue_op(int shard_id, const string& oid) override; | |
305 | public: | |
306 | CLSRGWIssueSetTagTimeout(librados::IoCtx& ioc, map<int, string>& _bucket_objs, | |
307 | uint32_t _max_aio, uint64_t _tag_timeout) : | |
308 | CLSRGWConcurrentIO(ioc, _bucket_objs, _max_aio), tag_timeout(_tag_timeout) {} | |
309 | }; | |
310 | ||
311 | void cls_rgw_bucket_update_stats(librados::ObjectWriteOperation& o, bool absolute, | |
312 | const map<uint8_t, rgw_bucket_category_stats>& stats); | |
313 | ||
314 | void cls_rgw_bucket_prepare_op(librados::ObjectWriteOperation& o, RGWModifyOp op, string& tag, | |
315 | const cls_rgw_obj_key& key, const string& locator, bool log_op, | |
316 | uint16_t bilog_op); | |
317 | ||
318 | void cls_rgw_bucket_complete_op(librados::ObjectWriteOperation& o, RGWModifyOp op, string& tag, | |
319 | rgw_bucket_entry_ver& ver, | |
320 | const cls_rgw_obj_key& key, | |
321 | rgw_bucket_dir_entry_meta& dir_meta, | |
322 | list<cls_rgw_obj_key> *remove_objs, bool log_op, | |
323 | uint16_t bilog_op); | |
324 | ||
325 | void cls_rgw_remove_obj(librados::ObjectWriteOperation& o, list<string>& keep_attr_prefixes); | |
326 | void cls_rgw_obj_store_pg_ver(librados::ObjectWriteOperation& o, const string& attr); | |
327 | void cls_rgw_obj_check_attrs_prefix(librados::ObjectOperation& o, const string& prefix, bool fail_if_exist); | |
328 | void cls_rgw_obj_check_mtime(librados::ObjectOperation& o, const ceph::real_time& mtime, bool high_precision_time, RGWCheckMTimeType type); | |
329 | ||
330 | int cls_rgw_bi_get(librados::IoCtx& io_ctx, const string oid, | |
331 | BIIndexType index_type, cls_rgw_obj_key& key, | |
332 | rgw_cls_bi_entry *entry); | |
333 | int cls_rgw_bi_put(librados::IoCtx& io_ctx, const string oid, rgw_cls_bi_entry& entry); | |
334 | void cls_rgw_bi_put(librados::ObjectWriteOperation& op, const string oid, rgw_cls_bi_entry& entry); | |
335 | int cls_rgw_bi_list(librados::IoCtx& io_ctx, const string oid, | |
336 | const string& name, const string& marker, uint32_t max, | |
337 | list<rgw_cls_bi_entry> *entries, bool *is_truncated); | |
338 | ||
339 | ||
340 | int cls_rgw_bucket_link_olh(librados::IoCtx& io_ctx, const string& oid, const cls_rgw_obj_key& key, bufferlist& olh_tag, | |
341 | bool delete_marker, const string& op_tag, struct rgw_bucket_dir_entry_meta *meta, | |
342 | uint64_t olh_epoch, ceph::real_time unmod_since, bool high_precision_time, bool log_op); | |
343 | int cls_rgw_bucket_unlink_instance(librados::IoCtx& io_ctx, const string& oid, const cls_rgw_obj_key& key, const string& op_tag, | |
344 | const string& olh_tag, uint64_t olh_epoch, bool log_op); | |
345 | int cls_rgw_get_olh_log(librados::IoCtx& io_ctx, string& oid, librados::ObjectReadOperation& op, const cls_rgw_obj_key& olh, uint64_t ver_marker, | |
346 | const string& olh_tag, | |
347 | map<uint64_t, vector<struct rgw_bucket_olh_log_entry> > *log, bool *is_truncated); | |
348 | void cls_rgw_trim_olh_log(librados::ObjectWriteOperation& op, const cls_rgw_obj_key& olh, uint64_t ver, const string& olh_tag); | |
349 | int cls_rgw_clear_olh(librados::IoCtx& io_ctx, string& oid, const cls_rgw_obj_key& olh, const string& olh_tag); | |
350 | ||
351 | /** | |
352 | * List the bucket with the starting object and filter prefix. | |
353 | * NOTE: this method do listing requests for each bucket index shards identified by | |
354 | * the keys of the *list_results* map, which means the map should be popludated | |
355 | * by the caller to fill with each bucket index object id. | |
356 | * | |
357 | * io_ctx - IO context for rados. | |
358 | * start_obj - marker for the listing. | |
359 | * filter_prefix - filter prefix. | |
360 | * num_entries - number of entries to request for each object (note the total | |
361 | * amount of entries returned depends on the number of shardings). | |
362 | * list_results - the list results keyed by bucket index object id. | |
363 | * max_aio - the maximum number of AIO (for throttling). | |
364 | * | |
365 | * Return 0 on success, a failure code otherwise. | |
366 | */ | |
367 | ||
368 | class CLSRGWIssueBucketList : public CLSRGWConcurrentIO { | |
369 | cls_rgw_obj_key start_obj; | |
370 | string filter_prefix; | |
371 | uint32_t num_entries; | |
372 | bool list_versions; | |
373 | map<int, rgw_cls_list_ret>& result; | |
374 | protected: | |
375 | int issue_op(int shard_id, const string& oid) override; | |
376 | public: | |
377 | CLSRGWIssueBucketList(librados::IoCtx& io_ctx, const cls_rgw_obj_key& _start_obj, | |
378 | const string& _filter_prefix, uint32_t _num_entries, | |
379 | bool _list_versions, | |
380 | map<int, string>& oids, | |
381 | map<int, struct rgw_cls_list_ret>& list_results, | |
382 | uint32_t max_aio) : | |
383 | CLSRGWConcurrentIO(io_ctx, oids, max_aio), | |
384 | start_obj(_start_obj), filter_prefix(_filter_prefix), num_entries(_num_entries), list_versions(_list_versions), result(list_results) {} | |
385 | }; | |
386 | ||
387 | class CLSRGWIssueBILogList : public CLSRGWConcurrentIO { | |
388 | map<int, struct cls_rgw_bi_log_list_ret>& result; | |
389 | BucketIndexShardsManager& marker_mgr; | |
390 | uint32_t max; | |
391 | protected: | |
392 | int issue_op(int shard_id, const string& oid) override; | |
393 | public: | |
394 | CLSRGWIssueBILogList(librados::IoCtx& io_ctx, BucketIndexShardsManager& _marker_mgr, uint32_t _max, | |
395 | map<int, string>& oids, | |
396 | map<int, struct cls_rgw_bi_log_list_ret>& bi_log_lists, uint32_t max_aio) : | |
397 | CLSRGWConcurrentIO(io_ctx, oids, max_aio), result(bi_log_lists), | |
398 | marker_mgr(_marker_mgr), max(_max) {} | |
399 | }; | |
400 | ||
401 | class CLSRGWIssueBILogTrim : public CLSRGWConcurrentIO { | |
402 | BucketIndexShardsManager& start_marker_mgr; | |
403 | BucketIndexShardsManager& end_marker_mgr; | |
404 | protected: | |
405 | int issue_op(int shard_id, const string& oid) override; | |
406 | // Trim until -ENODATA is returned. | |
407 | int valid_ret_code() override { return -ENODATA; } | |
408 | bool need_multiple_rounds() override { return true; } | |
409 | void add_object(int shard, const string& oid) override { objs_container[shard] = oid; } | |
410 | void reset_container(map<int, string>& objs) override { | |
411 | objs_container.swap(objs); | |
412 | iter = objs_container.begin(); | |
413 | objs.clear(); | |
414 | } | |
415 | public: | |
416 | CLSRGWIssueBILogTrim(librados::IoCtx& io_ctx, BucketIndexShardsManager& _start_marker_mgr, | |
417 | BucketIndexShardsManager& _end_marker_mgr, map<int, string>& _bucket_objs, uint32_t max_aio) : | |
418 | CLSRGWConcurrentIO(io_ctx, _bucket_objs, max_aio), | |
419 | start_marker_mgr(_start_marker_mgr), end_marker_mgr(_end_marker_mgr) {} | |
420 | }; | |
421 | ||
422 | /** | |
423 | * Check the bucket index. | |
424 | * | |
425 | * io_ctx - IO context for rados. | |
426 | * bucket_objs_ret - check result for all shards. | |
427 | * max_aio - the maximum number of AIO (for throttling). | |
428 | * | |
429 | * Return 0 on success, a failure code otherwise. | |
430 | */ | |
431 | class CLSRGWIssueBucketCheck : public CLSRGWConcurrentIO /*<map<string, struct rgw_cls_check_index_ret> >*/ { | |
432 | map<int, struct rgw_cls_check_index_ret>& result; | |
433 | protected: | |
434 | int issue_op(int shard_id, const string& oid) override; | |
435 | public: | |
436 | CLSRGWIssueBucketCheck(librados::IoCtx& ioc, map<int, string>& oids, map<int, struct rgw_cls_check_index_ret>& bucket_objs_ret, | |
437 | uint32_t _max_aio) : | |
438 | CLSRGWConcurrentIO(ioc, oids, _max_aio), result(bucket_objs_ret) {} | |
439 | }; | |
440 | ||
441 | class CLSRGWIssueBucketRebuild : public CLSRGWConcurrentIO { | |
442 | protected: | |
443 | int issue_op(int shard_id, const string& oid) override; | |
444 | public: | |
445 | CLSRGWIssueBucketRebuild(librados::IoCtx& io_ctx, map<int, string>& bucket_objs, | |
446 | uint32_t max_aio) : CLSRGWConcurrentIO(io_ctx, bucket_objs, max_aio) {} | |
447 | }; | |
448 | ||
449 | class CLSRGWIssueGetDirHeader : public CLSRGWConcurrentIO { | |
450 | map<int, rgw_cls_list_ret>& result; | |
451 | protected: | |
452 | int issue_op(int shard_id, const string& oid) override; | |
453 | public: | |
454 | CLSRGWIssueGetDirHeader(librados::IoCtx& io_ctx, map<int, string>& oids, map<int, rgw_cls_list_ret>& dir_headers, | |
455 | uint32_t max_aio) : | |
456 | CLSRGWConcurrentIO(io_ctx, oids, max_aio), result(dir_headers) {} | |
457 | }; | |
458 | ||
459 | int cls_rgw_get_dir_header_async(librados::IoCtx& io_ctx, string& oid, RGWGetDirHeader_CB *ctx); | |
460 | ||
461 | void cls_rgw_encode_suggestion(char op, rgw_bucket_dir_entry& dirent, bufferlist& updates); | |
462 | ||
463 | void cls_rgw_suggest_changes(librados::ObjectWriteOperation& o, bufferlist& updates); | |
464 | ||
465 | /* usage logging */ | |
466 | int cls_rgw_usage_log_read(librados::IoCtx& io_ctx, string& oid, string& user, | |
467 | uint64_t start_epoch, uint64_t end_epoch, uint32_t max_entries, | |
468 | string& read_iter, map<rgw_user_bucket, rgw_usage_log_entry>& usage, | |
469 | bool *is_truncated); | |
470 | ||
471 | void cls_rgw_usage_log_trim(librados::ObjectWriteOperation& op, string& user, | |
472 | uint64_t start_epoch, uint64_t end_epoch); | |
473 | ||
474 | void cls_rgw_usage_log_add(librados::ObjectWriteOperation& op, rgw_usage_log_info& info); | |
475 | ||
476 | /* garbage collection */ | |
477 | void cls_rgw_gc_set_entry(librados::ObjectWriteOperation& op, uint32_t expiration_secs, cls_rgw_gc_obj_info& info); | |
478 | void cls_rgw_gc_defer_entry(librados::ObjectWriteOperation& op, uint32_t expiration_secs, const string& tag); | |
479 | ||
480 | int cls_rgw_gc_list(librados::IoCtx& io_ctx, string& oid, string& marker, uint32_t max, bool expired_only, | |
481 | list<cls_rgw_gc_obj_info>& entries, bool *truncated); | |
482 | ||
483 | void cls_rgw_gc_remove(librados::ObjectWriteOperation& op, const list<string>& tags); | |
484 | ||
485 | /* lifecycle */ | |
486 | int cls_rgw_lc_get_head(librados::IoCtx& io_ctx, string& oid, cls_rgw_lc_obj_head& head); | |
487 | int cls_rgw_lc_put_head(librados::IoCtx& io_ctx, string& oid, cls_rgw_lc_obj_head& head); | |
488 | int cls_rgw_lc_get_next_entry(librados::IoCtx& io_ctx, string& oid, string& marker, pair<string, int>& entry); | |
489 | int cls_rgw_lc_rm_entry(librados::IoCtx& io_ctx, string& oid, pair<string, int>& entry); | |
490 | int cls_rgw_lc_set_entry(librados::IoCtx& io_ctx, string& oid, pair<string, int>& entry); | |
491 | int cls_rgw_lc_list(librados::IoCtx& io_ctx, string& oid, | |
492 | const string& marker, | |
493 | uint32_t max_entries, | |
494 | map<string, int>& entries); | |
495 | ||
496 | ||
497 | ||
498 | ||
499 | ||
500 | ||
501 | #endif |