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/*
* Copyright (C) 2015-2020 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 "IDBDatabaseIdentifier.h"
#include "IDBResourceIdentifier.h"
#include "IndexedDB.h"
namespace WebCore {
class IDBOpenDBRequest;
class IDBTransaction;
namespace IndexedDB {
enum class IndexRecordType : bool;
}
namespace IDBClient {
class IDBConnectionProxy;
class TransactionOperation;
}
class IDBRequestData {
public:
IDBRequestData(const IDBClient::IDBConnectionProxy&, const IDBOpenDBRequest&);
explicit IDBRequestData(IDBClient::TransactionOperation&);
WEBCORE_EXPORT IDBRequestData(const IDBRequestData&);
IDBRequestData(IDBRequestData&&) = default;
IDBRequestData& operator=(IDBRequestData&&) = default;
enum IsolatedCopyTag { IsolatedCopy };
IDBRequestData(const IDBRequestData&, IsolatedCopyTag);
WEBCORE_EXPORT IDBRequestData isolatedCopy() const;
IDBConnectionIdentifier serverConnectionIdentifier() const;
WEBCORE_EXPORT IDBResourceIdentifier requestIdentifier() const;
WEBCORE_EXPORT IDBResourceIdentifier transactionIdentifier() const;
uint64_t objectStoreIdentifier() const;
uint64_t indexIdentifier() const;
IndexedDB::IndexRecordType indexRecordType() const;
IDBResourceIdentifier cursorIdentifier() const;
const IDBDatabaseIdentifier& databaseIdentifier() const;
uint64_t requestedVersion() const;
bool isOpenRequest() const { return m_requestType == IndexedDB::RequestType::Open; }
bool isDeleteRequest() const { return m_requestType == IndexedDB::RequestType::Delete; }
IDBRequestData isolatedCopy();
WEBCORE_EXPORT IDBRequestData();
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static WARN_UNUSED_RETURN bool decode(Decoder&, IDBRequestData&);
private:
static void isolatedCopy(const IDBRequestData& source, IDBRequestData& destination);
IDBConnectionIdentifier m_serverConnectionIdentifier;
std::unique_ptr<IDBResourceIdentifier> m_requestIdentifier;
std::unique_ptr<IDBResourceIdentifier> m_transactionIdentifier;
std::unique_ptr<IDBResourceIdentifier> m_cursorIdentifier;
uint64_t m_objectStoreIdentifier { 0 };
uint64_t m_indexIdentifier { 0 };
IndexedDB::IndexRecordType m_indexRecordType { IndexedDB::IndexRecordType::Key };
mutable std::optional<IDBDatabaseIdentifier> m_databaseIdentifier;
uint64_t m_requestedVersion { 0 };
IndexedDB::RequestType m_requestType { IndexedDB::RequestType::Other };
};
inline const IDBDatabaseIdentifier& IDBRequestData::databaseIdentifier() const
{
ASSERT(m_databaseIdentifier);
if (!m_databaseIdentifier)
m_databaseIdentifier = IDBDatabaseIdentifier { };
return *m_databaseIdentifier;
}
template<class Encoder>
void IDBRequestData::encode(Encoder& encoder) const
{
encoder << m_serverConnectionIdentifier << m_objectStoreIdentifier << m_indexIdentifier << m_databaseIdentifier << m_requestedVersion;
encoder << m_indexRecordType;
encoder << m_requestType;
encoder << !!m_requestIdentifier;
if (m_requestIdentifier)
encoder << *m_requestIdentifier;
encoder << !!m_transactionIdentifier;
if (m_transactionIdentifier)
encoder << *m_transactionIdentifier;
encoder << !!m_cursorIdentifier;
if (m_cursorIdentifier)
encoder << *m_cursorIdentifier;
}
template<class Decoder>
bool IDBRequestData::decode(Decoder& decoder, IDBRequestData& request)
{
if (!decoder.decode(request.m_serverConnectionIdentifier))
return false;
if (!decoder.decode(request.m_objectStoreIdentifier))
return false;
if (!decoder.decode(request.m_indexIdentifier))
return false;
std::optional<std::optional<IDBDatabaseIdentifier>> databaseIdentifier;
decoder >> databaseIdentifier;
if (!databaseIdentifier)
return false;
request.m_databaseIdentifier = WTFMove(*databaseIdentifier);
if (!decoder.decode(request.m_requestedVersion))
return false;
if (!decoder.decode(request.m_indexRecordType))
return false;
if (!decoder.decode(request.m_requestType))
return false;
bool hasObject;
if (!decoder.decode(hasObject))
return false;
if (hasObject) {
std::unique_ptr<IDBResourceIdentifier> object = makeUnique<IDBResourceIdentifier>();
if (!decoder.decode(*object))
return false;
request.m_requestIdentifier = WTFMove(object);
}
if (!decoder.decode(hasObject))
return false;
if (hasObject) {
std::unique_ptr<IDBResourceIdentifier> object = makeUnique<IDBResourceIdentifier>();
if (!decoder.decode(*object))
return false;
request.m_transactionIdentifier = WTFMove(object);
}
if (!decoder.decode(hasObject))
return false;
if (hasObject) {
std::unique_ptr<IDBResourceIdentifier> object = makeUnique<IDBResourceIdentifier>();
if (!decoder.decode(*object))
return false;
request.m_cursorIdentifier = WTFMove(object);
}
return true;
}
} // namespace WebCore
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