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/*
* Copyright (C) 2015-2024 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "IDBDatabaseInfo.h"
#include "IDBError.h"
#include "IDBIndexIdentifier.h"
#include "IDBObjectStoreIdentifier.h"
#include "IndexKey.h"
#include <wtf/CheckedPtr.h>
#include <wtf/MainThread.h>
#include <wtf/TZoneMallocInlines.h>
namespace WebCore {
class IDBCursorInfo;
class IDBGetAllResult;
class IDBGetResult;
class IDBIndexInfo;
class IDBKeyData;
class IDBObjectStoreInfo;
class IDBResourceIdentifier;
class IDBTransactionInfo;
class IDBValue;
class ThreadSafeDataBuffer;
enum class IDBGetRecordDataType : bool;
struct IDBGetAllRecordsData;
struct IDBIterateCursorData;
struct IDBKeyRangeData;
namespace IndexedDB {
enum class IndexRecordType : bool;
}
namespace IDBServer {
class IDBBackingStore : public CanMakeThreadSafeCheckedPtr<IDBBackingStore> {
WTF_MAKE_TZONE_ALLOCATED(IDBBackingStore);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(IDBBackingStore);
public:
virtual ~IDBBackingStore() { RELEASE_ASSERT(!isMainThread()); }
virtual IDBError getOrEstablishDatabaseInfo(IDBDatabaseInfo&) = 0;
virtual uint64_t databaseVersion() = 0;
virtual IDBError beginTransaction(const IDBTransactionInfo&) = 0;
virtual IDBError abortTransaction(const IDBResourceIdentifier& transactionIdentifier) = 0;
virtual IDBError commitTransaction(const IDBResourceIdentifier& transactionIdentifier) = 0;
virtual IDBError createObjectStore(const IDBResourceIdentifier& transactionIdentifier, const IDBObjectStoreInfo&) = 0;
virtual IDBError deleteObjectStore(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier) = 0;
virtual IDBError renameObjectStore(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, const String& newName) = 0;
virtual IDBError clearObjectStore(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier) = 0;
virtual IDBError createIndex(const IDBResourceIdentifier& transactionIdentifier, const IDBIndexInfo&) = 0;
virtual IDBError deleteIndex(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, IDBIndexIdentifier) = 0;
virtual IDBError renameIndex(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, IDBIndexIdentifier, const String& newName) = 0;
virtual IDBError keyExistsInObjectStore(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, const IDBKeyData&, bool& keyExists) = 0;
virtual IDBError deleteRange(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, const IDBKeyRangeData&) = 0;
virtual IDBError addRecord(const IDBResourceIdentifier& transactionIdentifier, const IDBObjectStoreInfo&, const IDBKeyData&, const IndexIDToIndexKeyMap&, const IDBValue&) = 0;
virtual IDBError getRecord(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, const IDBKeyRangeData&, IDBGetRecordDataType, IDBGetResult& outValue) = 0;
virtual IDBError getAllRecords(const IDBResourceIdentifier& transactionIdentifier, const IDBGetAllRecordsData&, IDBGetAllResult& outValue) = 0;
virtual IDBError getIndexRecord(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, IDBIndexIdentifier, IndexedDB::IndexRecordType, const IDBKeyRangeData&, IDBGetResult& outValue) = 0;
virtual IDBError getCount(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, std::optional<IDBIndexIdentifier>, const IDBKeyRangeData&, uint64_t& outCount) = 0;
virtual IDBError generateKeyNumber(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, uint64_t& keyNumber) = 0;
virtual IDBError revertGeneratedKeyNumber(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, uint64_t keyNumber) = 0;
virtual IDBError maybeUpdateKeyGeneratorNumber(const IDBResourceIdentifier& transactionIdentifier, IDBObjectStoreIdentifier, double newKeyNumber) = 0;
virtual IDBError openCursor(const IDBResourceIdentifier& transactionIdentifier, const IDBCursorInfo&, IDBGetResult& outResult) = 0;
virtual IDBError iterateCursor(const IDBResourceIdentifier& transactionIdentifier, const IDBResourceIdentifier& cursorIdentifier, const IDBIterateCursorData&, IDBGetResult& outResult) = 0;
virtual IDBObjectStoreInfo* infoForObjectStore(IDBObjectStoreIdentifier) = 0;
virtual void deleteBackingStore() = 0;
virtual bool supportsSimultaneousReadWriteTransactions() = 0;
virtual bool isEphemeral() = 0;
virtual String fullDatabasePath() const = 0;
virtual void close() = 0;
virtual bool hasTransaction(const IDBResourceIdentifier&) const = 0;
virtual void handleLowMemoryWarning() = 0;
protected:
IDBBackingStore() { RELEASE_ASSERT(!isMainThread()); }
};
} // namespace IDBServer
} // namespace WebCore
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