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/*
* Copyright (C) 2017 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 "NetworkCacheStorage.h"
#include <WebCore/DOMCacheEngine.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
struct RetrieveRecordsOptions;
}
namespace WebKit {
namespace CacheStorage {
class Caches;
struct RecordInformation {
NetworkCache::Key key;
double insertionTime { 0 };
uint64_t identifier { 0 };
uint64_t updateResponseCounter { 0 };
uint64_t size { 0 };
URL url;
bool hasVaryStar { false };
HashMap<String, String> varyHeaders;
RecordInformation isolatedCopy() &&;
};
class AsynchronousPutTaskCounter;
class ReadRecordTaskCounter;
class Cache {
public:
enum class State { Uninitialized, Opening, Open };
Cache(Caches&, WebCore::DOMCacheIdentifier, State, String&& name, String&& uniqueName);
bool isOpened() const { return m_state == State::Open; }
void open(WebCore::DOMCacheEngine::CompletionCallback&&);
WebCore::DOMCacheIdentifier identifier() const { return m_identifier; }
const String& name() const { return m_name; }
const String& uniqueName() const { return m_uniqueName; }
bool isActive() const { return m_state != State::Uninitialized; }
void retrieveRecords(const WebCore::RetrieveRecordsOptions&, WebCore::DOMCacheEngine::RecordsCallback&&);
WebCore::DOMCacheEngine::CacheInfo info() const { return { m_identifier, m_name }; }
void put(Vector<WebCore::DOMCacheEngine::Record>&&, WebCore::DOMCacheEngine::RecordIdentifiersCallback&&);
void remove(WebCore::ResourceRequest&&, WebCore::CacheQueryOptions&&, WebCore::DOMCacheEngine::RecordIdentifiersCallback&&);
Vector<NetworkCache::Key> keys() const;
void dispose();
void clearMemoryRepresentation();
static std::optional<WebCore::DOMCacheEngine::Record> decode(const NetworkCache::Storage::Record&);
static NetworkCache::Storage::Record encode(const RecordInformation&, const WebCore::DOMCacheEngine::Record&);
struct DecodedRecord {
DecodedRecord(double insertionTime, uint64_t size, WebCore::DOMCacheEngine::Record&& record)
: insertionTime(insertionTime)
, size(size)
, record(WTFMove(record))
{ }
double insertionTime { 0 };
uint64_t size { 0 };
WebCore::DOMCacheEngine::Record record;
};
static std::optional<DecodedRecord> decodeRecordHeader(const NetworkCache::Storage::Record&);
bool hasPendingOpeningCallbacks() const { return !m_pendingOpeningCallbacks.isEmpty(); }
private:
Vector<RecordInformation>* recordsFromURL(const URL&);
const Vector<RecordInformation>* recordsFromURL(const URL&) const;
RecordInformation& addRecord(Vector<RecordInformation>*, const WebCore::DOMCacheEngine::Record&);
void storeRecords(Vector<WebCore::DOMCacheEngine::Record>&&, WebCore::DOMCacheEngine::RecordIdentifiersCallback&&);
RecordInformation toRecordInformation(const WebCore::DOMCacheEngine::Record&);
void finishOpening(WebCore::DOMCacheEngine::CompletionCallback&&, std::optional<WebCore::DOMCacheEngine::Error>&&);
void retrieveRecord(const RecordInformation&, Ref<ReadRecordTaskCounter>&&);
void readRecordsList(WebCore::DOMCacheEngine::CompletionCallback&&);
void writeRecordToDisk(const RecordInformation&, WebCore::DOMCacheEngine::Record&&, Ref<AsynchronousPutTaskCounter>&&, uint64_t previousRecordSize);
void updateRecordToDisk(RecordInformation&, WebCore::DOMCacheEngine::Record&&, Ref<AsynchronousPutTaskCounter>&&);
void removeRecordFromDisk(const RecordInformation&);
void readRecordFromDisk(const RecordInformation&, WTF::Function<void(Expected<WebCore::DOMCacheEngine::Record, WebCore::DOMCacheEngine::Error>&&)>&&);
void removeFromRecordList(const Vector<uint64_t>&);
Caches& m_caches;
State m_state;
WebCore::DOMCacheIdentifier m_identifier;
String m_name;
String m_uniqueName;
HashMap<String, Vector<RecordInformation>> m_records;
uint64_t m_nextRecordIdentifier { 0 };
Vector<WebCore::DOMCacheEngine::CompletionCallback> m_pendingOpeningCallbacks;
};
} // namespace CacheStorage
} // namespace WebKit
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