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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_ | 5 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_ |
6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_ | 6 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <set> | 9 #include <set> |
10 #include <string> | 10 #include <string> |
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193 // database. | 193 // database. |
194 Status DeleteUserData(int64 registration_id, | 194 Status DeleteUserData(int64 registration_id, |
195 const std::string& user_data_name); | 195 const std::string& user_data_name); |
196 | 196 |
197 // Reads user data for all registrations that have data with |user_data_name| | 197 // Reads user data for all registrations that have data with |user_data_name| |
198 // from the database. Returns OK if they are successfully read or not found. | 198 // from the database. Returns OK if they are successfully read or not found. |
199 Status ReadUserDataForAllRegistrations( | 199 Status ReadUserDataForAllRegistrations( |
200 const std::string& user_data_name, | 200 const std::string& user_data_name, |
201 std::vector<std::pair<int64, std::string>>* user_data); | 201 std::vector<std::pair<int64, std::string>>* user_data); |
202 | 202 |
203 // As new resources are put into the diskcache, they go into an uncommitted | 203 // Resources should belong to one of following resource lists: uncommitted, |
204 // list. When a registration is saved that refers to those ids, they're | 204 // committed and purgeable. |
205 // removed from that list. When a resource no longer has any registrations or | 205 // As new resources are put into the diskcache, they go into the uncommitted |
| 206 // list. When a registration is saved that refers to those ids, they're moved |
| 207 // to the committed list. When a resource no longer has any registrations or |
206 // caches referring to it, it's added to the purgeable list. Periodically, | 208 // caches referring to it, it's added to the purgeable list. Periodically, |
207 // the purgeable list can be purged from the diskcache. At system startup, all | 209 // the purgeable list can be purged from the diskcache. At system startup, all |
208 // uncommitted ids are moved to the purgeable list. | 210 // uncommitted ids are moved to the purgeable list. |
209 | 211 |
210 // Reads uncommitted resource ids from the database. Returns OK on success. | 212 // Reads resource ids from the uncommitted list. Returns OK on success. |
211 // Otherwise clears |ids| and returns an error. | 213 // Otherwise clears |ids| and returns an error. |
212 Status GetUncommittedResourceIds(std::set<int64>* ids); | 214 Status GetUncommittedResourceIds(std::set<int64>* ids); |
213 | 215 |
214 // Writes |ids| into the database as uncommitted resources. Returns OK on | 216 // Writes resource ids into the uncommitted list. Returns OK on success. |
215 // success. Otherwise writes nothing and returns an error. | 217 // Otherwise writes nothing and returns an error. |
216 Status WriteUncommittedResourceIds(const std::set<int64>& ids); | 218 Status WriteUncommittedResourceIds(const std::set<int64>& ids); |
217 | 219 |
218 // Deletes uncommitted resource ids specified by |ids| from the database. | 220 // Reads resource ids from the purgeable list. Returns OK on success. |
219 // Returns OK on success. Otherwise deletes nothing and returns an error. | |
220 Status ClearUncommittedResourceIds(const std::set<int64>& ids); | |
221 | |
222 // Reads purgeable resource ids from the database. Returns OK on success. | |
223 // Otherwise clears |ids| and returns an error. | 221 // Otherwise clears |ids| and returns an error. |
224 Status GetPurgeableResourceIds(std::set<int64>* ids); | 222 Status GetPurgeableResourceIds(std::set<int64>* ids); |
225 | 223 |
226 // Writes |ids| into the database as purgeable resources. Returns OK on | 224 // Deletes resource ids from the purgeable list. Returns OK on success. |
227 // success. Otherwise writes nothing and returns an error. | 225 // Otherwise deletes nothing and returns an error. |
228 Status WritePurgeableResourceIds(const std::set<int64>& ids); | |
229 | |
230 // Deletes purgeable resource ids specified by |ids| from the database. | |
231 // Returns OK on success. Otherwise deletes nothing and returns an error. | |
232 Status ClearPurgeableResourceIds(const std::set<int64>& ids); | 226 Status ClearPurgeableResourceIds(const std::set<int64>& ids); |
233 | 227 |
234 // Moves |ids| from the uncommitted list to the purgeable list. | 228 // Writes resource ids into the purgeable list and removes them from the |
235 // Returns OK on success. Otherwise deletes nothing and returns an error. | 229 // uncommitted list. Returns OK on success. Otherwise writes nothing and |
| 230 // returns an error. |
236 Status PurgeUncommittedResourceIds(const std::set<int64>& ids); | 231 Status PurgeUncommittedResourceIds(const std::set<int64>& ids); |
237 | 232 |
238 // Deletes all data for |origins|, namely, unique origin, registrations and | 233 // Deletes all data for |origins|, namely, unique origin, registrations and |
239 // resource records. Resources are moved to the purgeable list. Returns OK if | 234 // resource records. Resources are moved to the purgeable list. Returns OK if |
240 // they are successfully deleted or not found in the database. Otherwise, | 235 // they are successfully deleted or not found in the database. Otherwise, |
241 // returns an error. | 236 // returns an error. |
242 Status DeleteAllDataForOrigins(const std::set<GURL>& origins, | 237 Status DeleteAllDataForOrigins(const std::set<GURL>& origins, |
243 std::vector<int64>* newly_purgeable_resources); | 238 std::vector<int64>* newly_purgeable_resources); |
244 | 239 |
245 // Completely deletes the contents of the database. | 240 // Completely deletes the contents of the database. |
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293 | 288 |
294 // Reads resource ids for |id_key_prefix| from the database. Returns OK if | 289 // Reads resource ids for |id_key_prefix| from the database. Returns OK if |
295 // it's successfully read or not found in the database. Otherwise, returns an | 290 // it's successfully read or not found in the database. Otherwise, returns an |
296 // error. | 291 // error. |
297 Status ReadResourceIds( | 292 Status ReadResourceIds( |
298 const char* id_key_prefix, | 293 const char* id_key_prefix, |
299 std::set<int64>* ids); | 294 std::set<int64>* ids); |
300 | 295 |
301 // Write resource ids for |id_key_prefix| into the database. Returns OK on | 296 // Write resource ids for |id_key_prefix| into the database. Returns OK on |
302 // success. Otherwise, returns writes nothing and returns an error. | 297 // success. Otherwise, returns writes nothing and returns an error. |
303 Status WriteResourceIds( | |
304 const char* id_key_prefix, | |
305 const std::set<int64>& ids); | |
306 Status WriteResourceIdsInBatch( | 298 Status WriteResourceIdsInBatch( |
307 const char* id_key_prefix, | 299 const char* id_key_prefix, |
308 const std::set<int64>& ids, | 300 const std::set<int64>& ids, |
309 leveldb::WriteBatch* batch); | 301 leveldb::WriteBatch* batch); |
310 | 302 |
311 // Deletes resource ids for |id_key_prefix| from the database. Returns OK if | 303 // Deletes resource ids for |id_key_prefix| from the database. Returns OK if |
312 // it's successfully deleted or not found in the database. Otherwise, returns | 304 // it's successfully deleted or not found in the database. Otherwise, returns |
313 // an error. | 305 // an error. |
314 Status DeleteResourceIds( | |
315 const char* id_key_prefix, | |
316 const std::set<int64>& ids); | |
317 Status DeleteResourceIdsInBatch( | 306 Status DeleteResourceIdsInBatch( |
318 const char* id_key_prefix, | 307 const char* id_key_prefix, |
319 const std::set<int64>& ids, | 308 const std::set<int64>& ids, |
320 leveldb::WriteBatch* batch); | 309 leveldb::WriteBatch* batch); |
321 | 310 |
322 // Deletes all user data for |registration_id| from the database. Returns OK | 311 // Deletes all user data for |registration_id| from the database. Returns OK |
323 // if they are successfully deleted or not found in the database. | 312 // if they are successfully deleted or not found in the database. |
324 Status DeleteUserDataForRegistration( | 313 Status DeleteUserDataForRegistration( |
325 int64 registration_id, | 314 int64 registration_id, |
326 leveldb::WriteBatch* batch); | 315 leveldb::WriteBatch* batch); |
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400 MigrateOnDiskCacheAccess); | 389 MigrateOnDiskCacheAccess); |
401 FRIEND_TEST_ALL_PREFIXES(ServiceWorkerDiskCacheMigratorTest, | 390 FRIEND_TEST_ALL_PREFIXES(ServiceWorkerDiskCacheMigratorTest, |
402 NotMigrateOnDatabaseAccess); | 391 NotMigrateOnDatabaseAccess); |
403 | 392 |
404 DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDatabase); | 393 DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDatabase); |
405 }; | 394 }; |
406 | 395 |
407 } // namespace content | 396 } // namespace content |
408 | 397 |
409 #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_ | 398 #endif // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DATABASE_H_ |
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