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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "webkit/quota/quota_database.h" | |
| 6 | |
| 7 #include <string> | |
| 8 | |
| 9 #include "base/auto_reset.h" | |
| 10 #include "base/bind.h" | |
| 11 #include "base/file_util.h" | |
| 12 #include "base/time.h" | |
| 13 #include "googleurl/src/gurl.h" | |
| 14 #include "sql/connection.h" | |
| 15 #include "sql/meta_table.h" | |
| 16 #include "sql/statement.h" | |
| 17 #include "sql/transaction.h" | |
| 18 #include "webkit/quota/special_storage_policy.h" | |
| 19 | |
| 20 namespace quota { | |
| 21 namespace { | |
| 22 | |
| 23 // Definitions for database schema. | |
| 24 | |
| 25 const int kCurrentVersion = 4; | |
| 26 const int kCompatibleVersion = 2; | |
| 27 | |
| 28 const char kHostQuotaTable[] = "HostQuotaTable"; | |
| 29 const char kOriginInfoTable[] = "OriginInfoTable"; | |
| 30 const char kIsOriginTableBootstrapped[] = "IsOriginTableBootstrapped"; | |
| 31 | |
| 32 bool VerifyValidQuotaConfig(const char* key) { | |
| 33 return (key != NULL && | |
| 34 (!strcmp(key, QuotaDatabase::kDesiredAvailableSpaceKey) || | |
| 35 !strcmp(key, QuotaDatabase::kTemporaryQuotaOverrideKey))); | |
| 36 } | |
| 37 | |
| 38 const int kCommitIntervalMs = 30000; | |
| 39 | |
| 40 } // anonymous namespace | |
| 41 | |
| 42 // static | |
| 43 const char QuotaDatabase::kDesiredAvailableSpaceKey[] = "DesiredAvailableSpace"; | |
| 44 const char QuotaDatabase::kTemporaryQuotaOverrideKey[] = | |
| 45 "TemporaryQuotaOverride"; | |
| 46 | |
| 47 const QuotaDatabase::TableSchema QuotaDatabase::kTables[] = { | |
| 48 { kHostQuotaTable, | |
| 49 "(host TEXT NOT NULL," | |
| 50 " type INTEGER NOT NULL," | |
| 51 " quota INTEGER DEFAULT 0," | |
| 52 " UNIQUE(host, type))" }, | |
| 53 { kOriginInfoTable, | |
| 54 "(origin TEXT NOT NULL," | |
| 55 " type INTEGER NOT NULL," | |
| 56 " used_count INTEGER DEFAULT 0," | |
| 57 " last_access_time INTEGER DEFAULT 0," | |
| 58 " last_modified_time INTEGER DEFAULT 0," | |
| 59 " UNIQUE(origin, type))" }, | |
| 60 }; | |
| 61 | |
| 62 // static | |
| 63 const QuotaDatabase::IndexSchema QuotaDatabase::kIndexes[] = { | |
| 64 { "HostIndex", | |
| 65 kHostQuotaTable, | |
| 66 "(host)", | |
| 67 false }, | |
| 68 { "OriginInfoIndex", | |
| 69 kOriginInfoTable, | |
| 70 "(origin)", | |
| 71 false }, | |
| 72 { "OriginLastAccessTimeIndex", | |
| 73 kOriginInfoTable, | |
| 74 "(last_access_time)", | |
| 75 false }, | |
| 76 { "OriginLastModifiedTimeIndex", | |
| 77 kOriginInfoTable, | |
| 78 "(last_modified_time)", | |
| 79 false }, | |
| 80 }; | |
| 81 | |
| 82 struct QuotaDatabase::QuotaTableImporter { | |
| 83 bool Append(const QuotaTableEntry& entry) { | |
| 84 entries.push_back(entry); | |
| 85 return true; | |
| 86 } | |
| 87 std::vector<QuotaTableEntry> entries; | |
| 88 }; | |
| 89 | |
| 90 // Clang requires explicit out-of-line constructors for them. | |
| 91 QuotaDatabase::QuotaTableEntry::QuotaTableEntry() | |
| 92 : type(kStorageTypeUnknown), | |
| 93 quota(0) { | |
| 94 } | |
| 95 | |
| 96 QuotaDatabase::QuotaTableEntry::QuotaTableEntry( | |
| 97 const std::string& host, | |
| 98 StorageType type, | |
| 99 int64 quota) | |
| 100 : host(host), | |
| 101 type(type), | |
| 102 quota(quota) { | |
| 103 } | |
| 104 | |
| 105 QuotaDatabase::OriginInfoTableEntry::OriginInfoTableEntry() | |
| 106 : type(kStorageTypeUnknown), | |
| 107 used_count(0) { | |
| 108 } | |
| 109 | |
| 110 QuotaDatabase::OriginInfoTableEntry::OriginInfoTableEntry( | |
| 111 const GURL& origin, | |
| 112 StorageType type, | |
| 113 int used_count, | |
| 114 const base::Time& last_access_time, | |
| 115 const base::Time& last_modified_time) | |
| 116 : origin(origin), | |
| 117 type(type), | |
| 118 used_count(used_count), | |
| 119 last_access_time(last_access_time), | |
| 120 last_modified_time(last_modified_time) { | |
| 121 } | |
| 122 | |
| 123 // QuotaDatabase ------------------------------------------------------------ | |
| 124 QuotaDatabase::QuotaDatabase(const base::FilePath& path) | |
| 125 : db_file_path_(path), | |
| 126 is_recreating_(false), | |
| 127 is_disabled_(false) { | |
| 128 } | |
| 129 | |
| 130 QuotaDatabase::~QuotaDatabase() { | |
| 131 if (db_) { | |
| 132 db_->CommitTransaction(); | |
| 133 } | |
| 134 } | |
| 135 | |
| 136 void QuotaDatabase::CloseConnection() { | |
| 137 meta_table_.reset(); | |
| 138 db_.reset(); | |
| 139 } | |
| 140 | |
| 141 bool QuotaDatabase::GetHostQuota( | |
| 142 const std::string& host, StorageType type, int64* quota) { | |
| 143 DCHECK(quota); | |
| 144 if (!LazyOpen(false)) | |
| 145 return false; | |
| 146 | |
| 147 const char* kSql = | |
| 148 "SELECT quota" | |
| 149 " FROM HostQuotaTable" | |
| 150 " WHERE host = ? AND type = ?"; | |
| 151 | |
| 152 sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 153 statement.BindString(0, host); | |
| 154 statement.BindInt(1, static_cast<int>(type)); | |
| 155 | |
| 156 if (!statement.Step()) | |
| 157 return false; | |
| 158 | |
| 159 *quota = statement.ColumnInt64(0); | |
| 160 return true; | |
| 161 } | |
| 162 | |
| 163 bool QuotaDatabase::SetHostQuota( | |
| 164 const std::string& host, StorageType type, int64 quota) { | |
| 165 DCHECK_GE(quota, 0); | |
| 166 if (!LazyOpen(true)) | |
| 167 return false; | |
| 168 | |
| 169 const char* kSql = | |
| 170 "INSERT OR REPLACE INTO HostQuotaTable" | |
| 171 " (quota, host, type)" | |
| 172 " VALUES (?, ?, ?)"; | |
| 173 sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 174 statement.BindInt64(0, quota); | |
| 175 statement.BindString(1, host); | |
| 176 statement.BindInt(2, static_cast<int>(type)); | |
| 177 | |
| 178 if (!statement.Run()) | |
| 179 return false; | |
| 180 | |
| 181 ScheduleCommit(); | |
| 182 return true; | |
| 183 } | |
| 184 | |
| 185 bool QuotaDatabase::SetOriginLastAccessTime( | |
| 186 const GURL& origin, StorageType type, base::Time last_access_time) { | |
| 187 if (!LazyOpen(true)) | |
| 188 return false; | |
| 189 | |
| 190 sql::Statement statement; | |
| 191 | |
| 192 int used_count = 1; | |
| 193 if (FindOriginUsedCount(origin, type, &used_count)) { | |
| 194 ++used_count; | |
| 195 const char* kSql = | |
| 196 "UPDATE OriginInfoTable" | |
| 197 " SET used_count = ?, last_access_time = ?" | |
| 198 " WHERE origin = ? AND type = ?"; | |
| 199 statement.Assign(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 200 } else { | |
| 201 const char* kSql = | |
| 202 "INSERT INTO OriginInfoTable" | |
| 203 " (used_count, last_access_time, origin, type)" | |
| 204 " VALUES (?, ?, ?, ?)"; | |
| 205 statement.Assign(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 206 } | |
| 207 statement.BindInt(0, used_count); | |
| 208 statement.BindInt64(1, last_access_time.ToInternalValue()); | |
| 209 statement.BindString(2, origin.spec()); | |
| 210 statement.BindInt(3, static_cast<int>(type)); | |
| 211 | |
| 212 if (!statement.Run()) | |
| 213 return false; | |
| 214 | |
| 215 ScheduleCommit(); | |
| 216 return true; | |
| 217 } | |
| 218 | |
| 219 bool QuotaDatabase::SetOriginLastModifiedTime( | |
| 220 const GURL& origin, StorageType type, base::Time last_modified_time) { | |
| 221 if (!LazyOpen(true)) | |
| 222 return false; | |
| 223 | |
| 224 sql::Statement statement; | |
| 225 | |
| 226 int dummy; | |
| 227 if (FindOriginUsedCount(origin, type, &dummy)) { | |
| 228 const char* kSql = | |
| 229 "UPDATE OriginInfoTable" | |
| 230 " SET last_modified_time = ?" | |
| 231 " WHERE origin = ? AND type = ?"; | |
| 232 statement.Assign(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 233 } else { | |
| 234 const char* kSql = | |
| 235 "INSERT INTO OriginInfoTable" | |
| 236 " (last_modified_time, origin, type) VALUES (?, ?, ?)"; | |
| 237 statement.Assign(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 238 } | |
| 239 statement.BindInt64(0, last_modified_time.ToInternalValue()); | |
| 240 statement.BindString(1, origin.spec()); | |
| 241 statement.BindInt(2, static_cast<int>(type)); | |
| 242 | |
| 243 if (!statement.Run()) | |
| 244 return false; | |
| 245 | |
| 246 ScheduleCommit(); | |
| 247 return true; | |
| 248 } | |
| 249 | |
| 250 bool QuotaDatabase::RegisterInitialOriginInfo( | |
| 251 const std::set<GURL>& origins, StorageType type) { | |
| 252 if (!LazyOpen(true)) | |
| 253 return false; | |
| 254 | |
| 255 typedef std::set<GURL>::const_iterator itr_type; | |
| 256 for (itr_type itr = origins.begin(), end = origins.end(); | |
| 257 itr != end; ++itr) { | |
| 258 const char* kSql = | |
| 259 "INSERT OR IGNORE INTO OriginInfoTable" | |
| 260 " (origin, type) VALUES (?, ?)"; | |
| 261 sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 262 statement.BindString(0, itr->spec()); | |
| 263 statement.BindInt(1, static_cast<int>(type)); | |
| 264 | |
| 265 if (!statement.Run()) | |
| 266 return false; | |
| 267 } | |
| 268 | |
| 269 ScheduleCommit(); | |
| 270 return true; | |
| 271 } | |
| 272 | |
| 273 bool QuotaDatabase::DeleteHostQuota( | |
| 274 const std::string& host, StorageType type) { | |
| 275 if (!LazyOpen(false)) | |
| 276 return false; | |
| 277 | |
| 278 const char* kSql = | |
| 279 "DELETE FROM HostQuotaTable" | |
| 280 " WHERE host = ? AND type = ?"; | |
| 281 | |
| 282 sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 283 statement.BindString(0, host); | |
| 284 statement.BindInt(1, static_cast<int>(type)); | |
| 285 | |
| 286 if (!statement.Run()) | |
| 287 return false; | |
| 288 | |
| 289 ScheduleCommit(); | |
| 290 return true; | |
| 291 } | |
| 292 | |
| 293 bool QuotaDatabase::DeleteOriginInfo( | |
| 294 const GURL& origin, StorageType type) { | |
| 295 if (!LazyOpen(false)) | |
| 296 return false; | |
| 297 | |
| 298 const char* kSql = | |
| 299 "DELETE FROM OriginInfoTable" | |
| 300 " WHERE origin = ? AND type = ?"; | |
| 301 | |
| 302 sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 303 statement.BindString(0, origin.spec()); | |
| 304 statement.BindInt(1, static_cast<int>(type)); | |
| 305 | |
| 306 if (!statement.Run()) | |
| 307 return false; | |
| 308 | |
| 309 ScheduleCommit(); | |
| 310 return true; | |
| 311 } | |
| 312 | |
| 313 bool QuotaDatabase::GetQuotaConfigValue(const char* key, int64* value) { | |
| 314 if (!LazyOpen(false)) | |
| 315 return false; | |
| 316 DCHECK(VerifyValidQuotaConfig(key)); | |
| 317 return meta_table_->GetValue(key, value); | |
| 318 } | |
| 319 | |
| 320 bool QuotaDatabase::SetQuotaConfigValue(const char* key, int64 value) { | |
| 321 if (!LazyOpen(true)) | |
| 322 return false; | |
| 323 DCHECK(VerifyValidQuotaConfig(key)); | |
| 324 return meta_table_->SetValue(key, value); | |
| 325 } | |
| 326 | |
| 327 bool QuotaDatabase::GetLRUOrigin( | |
| 328 StorageType type, | |
| 329 const std::set<GURL>& exceptions, | |
| 330 SpecialStoragePolicy* special_storage_policy, | |
| 331 GURL* origin) { | |
| 332 DCHECK(origin); | |
| 333 if (!LazyOpen(false)) | |
| 334 return false; | |
| 335 | |
| 336 const char* kSql = "SELECT origin FROM OriginInfoTable" | |
| 337 " WHERE type = ?" | |
| 338 " ORDER BY last_access_time ASC"; | |
| 339 | |
| 340 sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 341 statement.BindInt(0, static_cast<int>(type)); | |
| 342 | |
| 343 while (statement.Step()) { | |
| 344 GURL url(statement.ColumnString(0)); | |
| 345 if (exceptions.find(url) != exceptions.end()) | |
| 346 continue; | |
| 347 if (special_storage_policy && | |
| 348 special_storage_policy->IsStorageUnlimited(url)) | |
| 349 continue; | |
| 350 *origin = url; | |
| 351 return true; | |
| 352 } | |
| 353 | |
| 354 *origin = GURL(); | |
| 355 return statement.Succeeded(); | |
| 356 } | |
| 357 | |
| 358 bool QuotaDatabase::GetOriginsModifiedSince( | |
| 359 StorageType type, std::set<GURL>* origins, base::Time modified_since) { | |
| 360 DCHECK(origins); | |
| 361 if (!LazyOpen(false)) | |
| 362 return false; | |
| 363 | |
| 364 const char* kSql = "SELECT origin FROM OriginInfoTable" | |
| 365 " WHERE type = ? AND last_modified_time >= ?"; | |
| 366 | |
| 367 sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 368 statement.BindInt(0, static_cast<int>(type)); | |
| 369 statement.BindInt64(1, modified_since.ToInternalValue()); | |
| 370 | |
| 371 origins->clear(); | |
| 372 while (statement.Step()) | |
| 373 origins->insert(GURL(statement.ColumnString(0))); | |
| 374 | |
| 375 return statement.Succeeded(); | |
| 376 } | |
| 377 | |
| 378 bool QuotaDatabase::IsOriginDatabaseBootstrapped() { | |
| 379 if (!LazyOpen(true)) | |
| 380 return false; | |
| 381 | |
| 382 int flag = 0; | |
| 383 return meta_table_->GetValue(kIsOriginTableBootstrapped, &flag) && flag; | |
| 384 } | |
| 385 | |
| 386 bool QuotaDatabase::SetOriginDatabaseBootstrapped(bool bootstrap_flag) { | |
| 387 if (!LazyOpen(true)) | |
| 388 return false; | |
| 389 | |
| 390 return meta_table_->SetValue(kIsOriginTableBootstrapped, bootstrap_flag); | |
| 391 } | |
| 392 | |
| 393 void QuotaDatabase::Commit() { | |
| 394 if (!db_) | |
| 395 return; | |
| 396 | |
| 397 if (timer_.IsRunning()) | |
| 398 timer_.Stop(); | |
| 399 | |
| 400 db_->CommitTransaction(); | |
| 401 db_->BeginTransaction(); | |
| 402 } | |
| 403 | |
| 404 void QuotaDatabase::ScheduleCommit() { | |
| 405 if (timer_.IsRunning()) | |
| 406 return; | |
| 407 timer_.Start(FROM_HERE, base::TimeDelta::FromMilliseconds(kCommitIntervalMs), | |
| 408 this, &QuotaDatabase::Commit); | |
| 409 } | |
| 410 | |
| 411 bool QuotaDatabase::FindOriginUsedCount( | |
| 412 const GURL& origin, StorageType type, int* used_count) { | |
| 413 DCHECK(used_count); | |
| 414 if (!LazyOpen(false)) | |
| 415 return false; | |
| 416 | |
| 417 const char* kSql = | |
| 418 "SELECT used_count FROM OriginInfoTable" | |
| 419 " WHERE origin = ? AND type = ?"; | |
| 420 | |
| 421 sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 422 statement.BindString(0, origin.spec()); | |
| 423 statement.BindInt(1, static_cast<int>(type)); | |
| 424 | |
| 425 if (!statement.Step()) | |
| 426 return false; | |
| 427 | |
| 428 *used_count = statement.ColumnInt(0); | |
| 429 return true; | |
| 430 } | |
| 431 | |
| 432 bool QuotaDatabase::LazyOpen(bool create_if_needed) { | |
| 433 if (db_) | |
| 434 return true; | |
| 435 | |
| 436 // If we tried and failed once, don't try again in the same session | |
| 437 // to avoid creating an incoherent mess on disk. | |
| 438 if (is_disabled_) | |
| 439 return false; | |
| 440 | |
| 441 bool in_memory_only = db_file_path_.empty(); | |
| 442 if (!create_if_needed && | |
| 443 (in_memory_only || !file_util::PathExists(db_file_path_))) { | |
| 444 return false; | |
| 445 } | |
| 446 | |
| 447 db_.reset(new sql::Connection); | |
| 448 meta_table_.reset(new sql::MetaTable); | |
| 449 | |
| 450 db_->set_histogram_tag("Quota"); | |
| 451 | |
| 452 bool opened = false; | |
| 453 if (in_memory_only) { | |
| 454 opened = db_->OpenInMemory(); | |
| 455 } else if (!file_util::CreateDirectory(db_file_path_.DirName())) { | |
| 456 LOG(ERROR) << "Failed to create quota database directory."; | |
| 457 } else { | |
| 458 opened = db_->Open(db_file_path_); | |
| 459 if (opened) | |
| 460 db_->Preload(); | |
| 461 } | |
| 462 | |
| 463 if (!opened || !EnsureDatabaseVersion()) { | |
| 464 LOG(ERROR) << "Failed to open the quota database."; | |
| 465 is_disabled_ = true; | |
| 466 db_.reset(); | |
| 467 meta_table_.reset(); | |
| 468 return false; | |
| 469 } | |
| 470 | |
| 471 // Start a long-running transaction. | |
| 472 db_->BeginTransaction(); | |
| 473 | |
| 474 return true; | |
| 475 } | |
| 476 | |
| 477 bool QuotaDatabase::EnsureDatabaseVersion() { | |
| 478 static const size_t kTableCount = ARRAYSIZE_UNSAFE(kTables); | |
| 479 static const size_t kIndexCount = ARRAYSIZE_UNSAFE(kIndexes); | |
| 480 if (!sql::MetaTable::DoesTableExist(db_.get())) | |
| 481 return CreateSchema(db_.get(), meta_table_.get(), | |
| 482 kCurrentVersion, kCompatibleVersion, | |
| 483 kTables, kTableCount, | |
| 484 kIndexes, kIndexCount); | |
| 485 | |
| 486 if (!meta_table_->Init(db_.get(), kCurrentVersion, kCompatibleVersion)) | |
| 487 return false; | |
| 488 | |
| 489 if (meta_table_->GetCompatibleVersionNumber() > kCurrentVersion) { | |
| 490 LOG(WARNING) << "Quota database is too new."; | |
| 491 return false; | |
| 492 } | |
| 493 | |
| 494 if (meta_table_->GetVersionNumber() < kCurrentVersion) { | |
| 495 if (!UpgradeSchema(meta_table_->GetVersionNumber())) | |
| 496 return ResetSchema(); | |
| 497 } | |
| 498 | |
| 499 #ifndef NDEBUG | |
| 500 DCHECK(sql::MetaTable::DoesTableExist(db_.get())); | |
| 501 for (size_t i = 0; i < kTableCount; ++i) { | |
| 502 DCHECK(db_->DoesTableExist(kTables[i].table_name)); | |
| 503 } | |
| 504 #endif | |
| 505 | |
| 506 return true; | |
| 507 } | |
| 508 | |
| 509 // static | |
| 510 bool QuotaDatabase::CreateSchema( | |
| 511 sql::Connection* database, | |
| 512 sql::MetaTable* meta_table, | |
| 513 int schema_version, int compatible_version, | |
| 514 const TableSchema* tables, size_t tables_size, | |
| 515 const IndexSchema* indexes, size_t indexes_size) { | |
| 516 // TODO(kinuko): Factor out the common code to create databases. | |
| 517 sql::Transaction transaction(database); | |
| 518 if (!transaction.Begin()) | |
| 519 return false; | |
| 520 | |
| 521 if (!meta_table->Init(database, schema_version, compatible_version)) | |
| 522 return false; | |
| 523 | |
| 524 for (size_t i = 0; i < tables_size; ++i) { | |
| 525 std::string sql("CREATE TABLE "); | |
| 526 sql += tables[i].table_name; | |
| 527 sql += tables[i].columns; | |
| 528 if (!database->Execute(sql.c_str())) { | |
| 529 VLOG(1) << "Failed to execute " << sql; | |
| 530 return false; | |
| 531 } | |
| 532 } | |
| 533 | |
| 534 for (size_t i = 0; i < indexes_size; ++i) { | |
| 535 std::string sql; | |
| 536 if (indexes[i].unique) | |
| 537 sql += "CREATE UNIQUE INDEX "; | |
| 538 else | |
| 539 sql += "CREATE INDEX "; | |
| 540 sql += indexes[i].index_name; | |
| 541 sql += " ON "; | |
| 542 sql += indexes[i].table_name; | |
| 543 sql += indexes[i].columns; | |
| 544 if (!database->Execute(sql.c_str())) { | |
| 545 VLOG(1) << "Failed to execute " << sql; | |
| 546 return false; | |
| 547 } | |
| 548 } | |
| 549 | |
| 550 return transaction.Commit(); | |
| 551 } | |
| 552 | |
| 553 bool QuotaDatabase::ResetSchema() { | |
| 554 DCHECK(!db_file_path_.empty()); | |
| 555 DCHECK(file_util::PathExists(db_file_path_)); | |
| 556 VLOG(1) << "Deleting existing quota data and starting over."; | |
| 557 | |
| 558 db_.reset(); | |
| 559 meta_table_.reset(); | |
| 560 | |
| 561 if (!file_util::Delete(db_file_path_, true)) | |
| 562 return false; | |
| 563 | |
| 564 // Make sure the steps above actually deleted things. | |
| 565 if (file_util::PathExists(db_file_path_)) | |
| 566 return false; | |
| 567 | |
| 568 // So we can't go recursive. | |
| 569 if (is_recreating_) | |
| 570 return false; | |
| 571 | |
| 572 base::AutoReset<bool> auto_reset(&is_recreating_, true); | |
| 573 return LazyOpen(true); | |
| 574 } | |
| 575 | |
| 576 bool QuotaDatabase::UpgradeSchema(int current_version) { | |
| 577 if (current_version == 2) { | |
| 578 QuotaTableImporter importer; | |
| 579 typedef std::vector<QuotaTableEntry> QuotaTableEntries; | |
| 580 if (!DumpQuotaTable(new QuotaTableCallback(base::Bind( | |
| 581 &QuotaTableImporter::Append, base::Unretained(&importer))))) | |
| 582 return false; | |
| 583 ResetSchema(); | |
| 584 for (QuotaTableEntries::const_iterator iter = importer.entries.begin(); | |
| 585 iter != importer.entries.end(); ++iter) { | |
| 586 if (!SetHostQuota(iter->host, iter->type, iter->quota)) | |
| 587 return false; | |
| 588 } | |
| 589 Commit(); | |
| 590 return true; | |
| 591 } | |
| 592 return false; | |
| 593 } | |
| 594 | |
| 595 bool QuotaDatabase::DumpQuotaTable(QuotaTableCallback* callback) { | |
| 596 scoped_ptr<QuotaTableCallback> callback_deleter(callback); | |
| 597 if (!LazyOpen(true)) | |
| 598 return false; | |
| 599 | |
| 600 const char* kSql = "SELECT * FROM HostQuotaTable"; | |
| 601 sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 602 | |
| 603 while (statement.Step()) { | |
| 604 QuotaTableEntry entry = QuotaTableEntry( | |
| 605 statement.ColumnString(0), | |
| 606 static_cast<StorageType>(statement.ColumnInt(1)), | |
| 607 statement.ColumnInt64(2)); | |
| 608 | |
| 609 if (!callback->Run(entry)) | |
| 610 return true; | |
| 611 } | |
| 612 | |
| 613 return statement.Succeeded(); | |
| 614 } | |
| 615 | |
| 616 bool QuotaDatabase::DumpOriginInfoTable( | |
| 617 OriginInfoTableCallback* callback) { | |
| 618 scoped_ptr<OriginInfoTableCallback> callback_deleter(callback); | |
| 619 | |
| 620 if (!LazyOpen(true)) | |
| 621 return false; | |
| 622 | |
| 623 const char* kSql = "SELECT * FROM OriginInfoTable"; | |
| 624 sql::Statement statement(db_->GetCachedStatement(SQL_FROM_HERE, kSql)); | |
| 625 | |
| 626 while (statement.Step()) { | |
| 627 OriginInfoTableEntry entry( | |
| 628 GURL(statement.ColumnString(0)), | |
| 629 static_cast<StorageType>(statement.ColumnInt(1)), | |
| 630 statement.ColumnInt(2), | |
| 631 base::Time::FromInternalValue(statement.ColumnInt64(3)), | |
| 632 base::Time::FromInternalValue(statement.ColumnInt64(4))); | |
| 633 | |
| 634 if (!callback->Run(entry)) | |
| 635 return true; | |
| 636 } | |
| 637 | |
| 638 return statement.Succeeded(); | |
| 639 } | |
| 640 | |
| 641 bool operator<(const QuotaDatabase::QuotaTableEntry& lhs, | |
| 642 const QuotaDatabase::QuotaTableEntry& rhs) { | |
| 643 if (lhs.host < rhs.host) return true; | |
| 644 if (rhs.host < lhs.host) return false; | |
| 645 if (lhs.type < rhs.type) return true; | |
| 646 if (rhs.type < lhs.type) return false; | |
| 647 return lhs.quota < rhs.quota; | |
| 648 } | |
| 649 | |
| 650 bool operator<(const QuotaDatabase::OriginInfoTableEntry& lhs, | |
| 651 const QuotaDatabase::OriginInfoTableEntry& rhs) { | |
| 652 if (lhs.origin < rhs.origin) return true; | |
| 653 if (rhs.origin < lhs.origin) return false; | |
| 654 if (lhs.type < rhs.type) return true; | |
| 655 if (rhs.type < lhs.type) return false; | |
| 656 if (lhs.used_count < rhs.used_count) return true; | |
| 657 if (rhs.used_count < lhs.used_count) return false; | |
| 658 return lhs.last_access_time < rhs.last_access_time; | |
| 659 } | |
| 660 | |
| 661 } // quota namespace | |
| OLD | NEW |