| /* |
| * Copyright (C) 2019 Igalia S.L. |
| * |
| * 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 <WebCore/ResourceRequest.h> |
| #include <WebCore/ResourceResponse.h> |
| #include <WebCore/SharedBuffer.h> |
| #include <WebCore/Timer.h> |
| #include <wtf/Deque.h> |
| #include <wtf/HashMap.h> |
| #include <wtf/URLHash.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebKit { |
| |
| class PrefetchCache { |
| WTF_MAKE_NONCOPYABLE(PrefetchCache); |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| PrefetchCache(); |
| ~PrefetchCache(); |
| |
| void clear(); |
| |
| struct Entry { |
| WTF_MAKE_STRUCT_FAST_ALLOCATED; |
| Entry(WebCore::ResourceResponse&&, RefPtr<WebCore::SharedBuffer>&&); |
| Entry(WebCore::ResourceResponse&&, WebCore::ResourceRequest&&); |
| |
| Ref<WebCore::SharedBuffer> releaseBuffer() { return buffer.releaseNonNull(); } |
| |
| WebCore::ResourceResponse response; |
| RefPtr<WebCore::SharedBuffer> buffer; |
| WebCore::ResourceRequest redirectRequest; |
| }; |
| |
| std::unique_ptr<Entry> take(const URL&); |
| void store(const URL&, WebCore::ResourceResponse&&, RefPtr<WebCore::SharedBuffer>&&); |
| void storeRedirect(const URL&, WebCore::ResourceResponse&&, WebCore::ResourceRequest&&); |
| |
| private: |
| void clearExpiredEntries(); |
| |
| using PrefetchEntriesMap = HashMap<URL, std::unique_ptr<Entry>>; |
| std::unique_ptr<PrefetchEntriesMap> m_sessionPrefetches; |
| |
| using SessionPrefetchExpirationList = Deque<std::tuple<URL, WallTime>>; |
| SessionPrefetchExpirationList m_sessionExpirationList; |
| |
| WebCore::Timer m_expirationTimer; |
| }; |
| |
| } // namespace WebKit |