2 * Copyright (C) 2014-2015 Apple Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
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11 * documentation and/or other materials provided with the distribution.
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16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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26 #ifndef NetworkCache_h
27 #define NetworkCache_h
29 #if ENABLE(NETWORK_CACHE)
31 #include "NetworkCacheStorage.h"
32 #include "ShareableResource.h"
33 #include <WebCore/ResourceResponse.h>
34 #include <wtf/text/WTFString.h>
37 class ResourceRequest;
43 namespace NetworkCache {
51 #if ENABLE(SHAREABLE_RESOURCE)
52 RefPtr<ShareableResource> shareableResource;
53 ShareableResource::Handle shareableResourceHandle;
58 Storage::Entry storageEntry;
59 WebCore::ResourceResponse response;
60 RefPtr<WebCore::SharedBuffer> buffer;
61 #if ENABLE(SHAREABLE_RESOURCE)
62 ShareableResource::Handle shareableResourceHandle;
64 bool needsRevalidation;
67 enum class RetrieveDecision {
70 NoDueToConditionalRequest,
71 NoDueToReloadIgnoringCache
74 enum class StoreDecision {
78 NoDueToAttachmentResponse,
79 NoDueToNoStoreResponse,
83 enum class CachedEntryReuseFailure {
85 VaryingHeaderMismatch,
86 MissingValidatorFields,
91 WTF_MAKE_NONCOPYABLE(Cache);
92 friend class WTF::NeverDestroyed<Cache>;
94 bool initialize(const String& cachePath, bool enableEfficacyLogging);
95 void setMaximumSize(size_t);
97 bool isEnabled() const { return !!m_storage; }
99 // Completion handler may get called back synchronously on failure.
100 void retrieve(const WebCore::ResourceRequest&, uint64_t webPageID, std::function<void (std::unique_ptr<Entry>)>);
101 void store(const WebCore::ResourceRequest&, const WebCore::ResourceResponse&, RefPtr<WebCore::SharedBuffer>&&, std::function<void (MappedBody&)>);
102 void update(const WebCore::ResourceRequest&, const Entry&, const WebCore::ResourceResponse& validatingResponse);
104 void traverse(std::function<void (const Entry*)>&&);
105 void remove(const Entry&);
109 void dumpContentsToFile();
111 String storagePath() const;
117 String dumpFilePath() const;
119 std::unique_ptr<Storage> m_storage;
120 std::unique_ptr<Statistics> m_statistics;