| /* |
| * 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 "CacheStorageEngineCache.h" |
| #include "NetworkCacheStorage.h" |
| #include <WebCore/ClientOrigin.h> |
| #include <wtf/CompletionHandler.h> |
| #include <wtf/Deque.h> |
| |
| namespace WebCore { |
| class StorageQuotaManager; |
| } |
| |
| namespace WebKit { |
| |
| namespace CacheStorage { |
| |
| class Engine; |
| |
| class Caches final : public RefCounted<Caches> { |
| public: |
| static String cachesSizeFilename(const String& cachesRootsPath); |
| static Ref<Caches> create(Engine&, WebCore::ClientOrigin&&, String&& rootPath); |
| ~Caches(); |
| |
| static void retrieveOriginFromDirectory(const String& folderPath, WorkQueue&, WTF::CompletionHandler<void(std::optional<WebCore::ClientOrigin>&&)>&&); |
| |
| void initialize(WebCore::DOMCacheEngine::CompletionCallback&&); |
| void open(const String& name, WebCore::DOMCacheEngine::CacheIdentifierCallback&&); |
| void remove(uint64_t identifier, WebCore::DOMCacheEngine::CacheIdentifierCallback&&); |
| void dispose(Cache&); |
| |
| void detach(); |
| |
| bool isInitialized() const { return m_isInitialized; } |
| void cacheInfos(uint64_t updateCounter, WebCore::DOMCacheEngine::CacheInfosCallback&&); |
| |
| Cache* find(uint64_t identifier); |
| void appendRepresentation(StringBuilder&) const; |
| |
| void readRecordsList(Cache&, NetworkCache::Storage::TraverseHandler&&); |
| void readRecord(const NetworkCache::Key&, WTF::Function<void(Expected<WebCore::DOMCacheEngine::Record, WebCore::DOMCacheEngine::Error>&&)>&&); |
| |
| void requestSpace(uint64_t spaceRequired, WebCore::DOMCacheEngine::CompletionCallback&&); |
| void writeRecord(const Cache&, const RecordInformation&, WebCore::DOMCacheEngine::Record&&, uint64_t previousRecordSize, WebCore::DOMCacheEngine::CompletionCallback&&); |
| |
| void removeCacheEntry(const NetworkCache::Key&); |
| void removeRecord(const RecordInformation&); |
| |
| const NetworkCache::Salt& salt() const; |
| const WebCore::ClientOrigin& origin() const { return m_origin; } |
| |
| bool shouldPersist() const { return !m_rootPath.isNull(); } |
| |
| void clear(WTF::CompletionHandler<void()>&&); |
| void clearMemoryRepresentation(); |
| |
| uint64_t storageSize() const; |
| void updateSizeFile(CompletionHandler<void()>&&); |
| |
| private: |
| Caches(Engine&, WebCore::ClientOrigin&&, String&& rootPath); |
| |
| void initializeSize(); |
| void readCachesFromDisk(WTF::Function<void(Expected<Vector<Cache>, WebCore::DOMCacheEngine::Error>&&)>&&); |
| void writeCachesToDisk(WebCore::DOMCacheEngine::CompletionCallback&&); |
| |
| void storeOrigin(WebCore::DOMCacheEngine::CompletionCallback&&); |
| static std::optional<WebCore::ClientOrigin> readOrigin(const NetworkCache::Data&); |
| |
| Cache* find(const String& name); |
| void clearPendingWritingCachesToDiskCallbacks(); |
| |
| void makeDirty() { ++m_updateCounter; } |
| bool isDirty(uint64_t updateCounter) const; |
| |
| bool hasActiveCache() const; |
| |
| bool m_isInitialized { false }; |
| Engine* m_engine { nullptr }; |
| uint64_t m_updateCounter { 0 }; |
| WebCore::ClientOrigin m_origin; |
| String m_rootPath; |
| uint64_t m_size { 0 }; |
| Vector<Cache> m_caches; |
| Vector<Cache> m_removedCaches; |
| RefPtr<NetworkCache::Storage> m_storage; |
| HashMap<NetworkCache::Key, std::unique_ptr<WebCore::DOMCacheEngine::Record>> m_volatileStorage; |
| mutable std::optional<NetworkCache::Salt> m_volatileSalt; |
| Vector<WebCore::DOMCacheEngine::CompletionCallback> m_pendingInitializationCallbacks; |
| bool m_isWritingCachesToDisk { false }; |
| Deque<CompletionHandler<void(std::optional<WebCore::DOMCacheEngine::Error>)>> m_pendingWritingCachesToDiskCallbacks; |
| }; |
| |
| } // namespace CacheStorage |
| |
| } // namespace WebKit |