| // Copyright (c) 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_IMPL_H_ |
| #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_IMPL_H_ |
| |
| #include <stddef.h> |
| |
| #include <map> |
| #include <memory> |
| #include <set> |
| #include <tuple> |
| #include <utility> |
| |
| #include "base/gtest_prod_util.h" |
| #include "base/macros.h" |
| #include "base/time/clock.h" |
| #include "base/time/time.h" |
| #include "content/browser/indexed_db/indexed_db_factory.h" |
| #include "content/browser/indexed_db/leveldb/leveldb_env.h" |
| |
| namespace base { |
| struct Feature; |
| } |
| |
| namespace url { |
| class Origin; |
| } |
| |
| namespace content { |
| |
| class IndexedDBContextImpl; |
| |
| CONTENT_EXPORT extern const base::Feature kIDBTombstoneStatistics; |
| CONTENT_EXPORT extern const base::Feature kIDBTombstoneDeletion; |
| |
| constexpr const char kIDBCloseImmediatelySwitch[] = "idb-close-immediately"; |
| |
| class CONTENT_EXPORT IndexedDBFactoryImpl : public IndexedDBFactory { |
| public: |
| // Maximum time interval between runs of the IndexedDBSweeper. Sweeping only |
| // occurs after backing store close. |
| // Visible for testing. |
| static constexpr const base::TimeDelta kMaxEarliestGlobalSweepFromNow = |
| base::TimeDelta::FromHours(2); |
| // Maximum time interval between runs of the IndexedDBSweeper for a given |
| // origin. Sweeping only occurs after backing store close. |
| // Visible for testing. |
| static constexpr const base::TimeDelta kMaxEarliestOriginSweepFromNow = |
| base::TimeDelta::FromDays(7); |
| |
| IndexedDBFactoryImpl(IndexedDBContextImpl* context, |
| indexed_db::LevelDBFactory* leveldb_factory, |
| base::Clock* clock); |
| |
| // content::IndexedDBFactory overrides: |
| void ReleaseDatabase(const IndexedDBDatabase::Identifier& identifier, |
| bool forced_close) override; |
| void GetDatabaseInfo(scoped_refptr<IndexedDBCallbacks> callbacks, |
| const url::Origin& origin, |
| const base::FilePath& data_directory) override; |
| void GetDatabaseNames(scoped_refptr<IndexedDBCallbacks> callbacks, |
| const url::Origin& origin, |
| const base::FilePath& data_directory) override; |
| void Open(const base::string16& name, |
| std::unique_ptr<IndexedDBPendingConnection> connection, |
| const url::Origin& origin, |
| const base::FilePath& data_directory) override; |
| |
| void DeleteDatabase( |
| const base::string16& name, |
| scoped_refptr<IndexedDBCallbacks> callbacks, |
| const url::Origin& origin, |
| const base::FilePath& data_directory, |
| bool force_close) override; |
| |
| void AbortTransactionsAndCompactDatabase( |
| base::OnceCallback<void(leveldb::Status)> callback, |
| const url::Origin& origin) override; |
| void AbortTransactionsForDatabase( |
| base::OnceCallback<void(leveldb::Status)> callback, |
| const url::Origin& origin) override; |
| |
| void HandleBackingStoreFailure(const url::Origin& origin) override; |
| void HandleBackingStoreCorruption( |
| const url::Origin& origin, |
| const IndexedDBDatabaseError& error) override; |
| |
| OriginDBs GetOpenDatabasesForOrigin(const url::Origin& origin) const override; |
| |
| void ForceClose(const url::Origin& origin, |
| bool delete_in_memory_store) override; |
| void ForceSchemaDowngrade(const url::Origin& origin) override; |
| V2SchemaCorruptionStatus HasV2SchemaCorruption( |
| const url::Origin& origin) override; |
| |
| // Called by the IndexedDBContext destructor so the factory can do cleanup. |
| void ContextDestroyed() override; |
| |
| // Called by the IndexedDBActiveBlobRegistry. |
| void ReportOutstandingBlobs(const url::Origin& origin, |
| bool blobs_outstanding) override; |
| |
| // Called by an IndexedDBDatabase when it is actually deleted. |
| void DatabaseDeleted( |
| const IndexedDBDatabase::Identifier& identifier) override; |
| |
| // Called by IndexedDBBackingStore when blob files have been cleaned. |
| void BlobFilesCleaned(const url::Origin& origin) override; |
| |
| size_t GetConnectionCount(const url::Origin& origin) const override; |
| |
| void NotifyIndexedDBContentChanged( |
| const url::Origin& origin, |
| const base::string16& database_name, |
| const base::string16& object_store_name) override; |
| |
| int64_t GetInMemoryDBSize(const url::Origin& origin) const override; |
| |
| base::Time GetLastModified(const url::Origin& origin) const override; |
| |
| protected: |
| ~IndexedDBFactoryImpl() override; |
| |
| std::tuple<scoped_refptr<IndexedDBBackingStore>, |
| leveldb::Status, |
| IndexedDBDataLossInfo, |
| bool /* disk_full */> |
| OpenBackingStore(const url::Origin& origin, |
| const base::FilePath& data_directory) override; |
| |
| // Used by unittests to allow subclassing of IndexedDBBackingStore. |
| virtual scoped_refptr<IndexedDBBackingStore> CreateBackingStore( |
| const url::Origin& origin, |
| const base::FilePath& blob_path, |
| std::unique_ptr<LevelDBDatabase> db, |
| base::SequencedTaskRunner* task_runner); |
| |
| void ReleaseBackingStore(const url::Origin& origin, bool immediate); |
| void CloseBackingStore(const url::Origin& origin); |
| IndexedDBContextImpl* context() const { return context_; } |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, |
| BackingStoreReleasedOnForcedClose); |
| FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, |
| BackingStoreReleaseDelayedOnClose); |
| FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, BackingStoreRunPreCloseTasks); |
| FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, |
| BackingStoreCloseImmediatelySwitch); |
| FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, BackingStoreNoSweeping); |
| FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, DatabaseFailedOpen); |
| FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, |
| DeleteDatabaseClosesBackingStore); |
| FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, |
| ForceCloseReleasesBackingStore); |
| FRIEND_TEST_ALL_PREFIXES(IndexedDBFactoryTest, |
| GetDatabaseNamesClosesBackingStore); |
| FRIEND_TEST_ALL_PREFIXES(IndexedDBTest, |
| ForceCloseOpenDatabasesOnCommitFailure); |
| |
| leveldb::Status AbortTransactions(const url::Origin& origin); |
| |
| // Called internally after a database is closed, with some delay. If this |
| // factory has the last reference it will start running pre-close tasks. |
| void MaybeStartPreCloseTasks(const url::Origin& origin); |
| // Called internally after pre-close tasks. If this factory has the last |
| // reference it will be released. |
| void MaybeCloseBackingStore(const url::Origin& origin); |
| bool HasLastBackingStoreReference(const url::Origin& origin) const; |
| |
| // Testing helpers, so unit tests don't need to grovel through internal state. |
| bool IsDatabaseOpen(const url::Origin& origin, |
| const base::string16& name) const; |
| bool IsBackingStoreOpen(const url::Origin& origin) const; |
| bool IsBackingStorePendingClose(const url::Origin& origin) const; |
| void RemoveDatabaseFromMaps(const IndexedDBDatabase::Identifier& identifier); |
| |
| IndexedDBContextImpl* context_; |
| indexed_db::LevelDBFactory* leveldb_factory_; |
| |
| std::map<IndexedDBDatabase::Identifier, IndexedDBDatabase*> database_map_; |
| OriginDBMap origin_dbs_; |
| std::map<url::Origin, scoped_refptr<IndexedDBBackingStore>> |
| backing_store_map_; |
| |
| // In-memory (incognito) backing stores should live as long as the |
| // StoragePartition which owns the IndexedDBContext which owns this |
| // IndexedDBFactory. |
| std::set<scoped_refptr<IndexedDBBackingStore>> in_memory_backing_stores_; |
| std::map<url::Origin, scoped_refptr<IndexedDBBackingStore>> |
| backing_stores_with_active_blobs_; |
| std::set<url::Origin> backends_opened_since_startup_; |
| |
| base::Clock* clock_; |
| base::Time earliest_sweep_; |
| |
| DISALLOW_COPY_AND_ASSIGN(IndexedDBFactoryImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_IMPL_H_ |