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/*
* Copyright (C) 2015 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.
*/
#include "config.h"
#if ENABLE(NETWORK_CACHE_SPECULATIVE_REVALIDATION)
#include "NetworkCacheSubresourcesEntry.h"
#include "Logging.h"
#include "NetworkCacheCoders.h"
#include "NetworkCacheDecoder.h"
#include "NetworkCacheEncoder.h"
namespace WebKit {
namespace NetworkCache {
Storage::Record SubresourcesEntry::encodeAsStorageRecord() const
{
Encoder encoder;
encoder << m_subresources;
encoder.encodeChecksum();
return { m_key, m_timeStamp, { encoder.buffer(), encoder.bufferSize() } , { } };
}
std::unique_ptr<SubresourcesEntry> SubresourcesEntry::decodeStorageRecord(const Storage::Record& storageEntry)
{
auto entry = std::make_unique<SubresourcesEntry>(storageEntry);
Decoder decoder(storageEntry.header.data(), storageEntry.header.size());
if (!decoder.decode(entry->m_subresources))
return nullptr;
if (!decoder.verifyChecksum()) {
LOG(NetworkCache, "(NetworkProcess) checksum verification failure\n");
return nullptr;
}
return entry;
}
SubresourcesEntry::SubresourcesEntry(const Storage::Record& storageEntry)
: m_key(storageEntry.key)
, m_timeStamp(storageEntry.timeStamp)
{
ASSERT(m_key.type() == "subresources");
}
SubresourcesEntry::SubresourcesEntry(Key&& key, const Vector<Key>& subresourceKeys)
: m_key(WTFMove(key))
, m_timeStamp(std::chrono::system_clock::now())
{
ASSERT(m_key.type() == "subresources");
for (auto& key : subresourceKeys)
m_subresources.add(key, SubresourceInfo());
}
void SubresourcesEntry::updateSubresourceKeys(const Vector<Key>& subresourceKeys)
{
auto oldSubresources = WTFMove(m_subresources);
// Mark keys that are common with last load as non-Transient.
for (auto& key : subresourceKeys) {
bool isTransient = !oldSubresources.contains(key);
m_subresources.add(key, SubresourceInfo(isTransient));
}
}
} // namespace WebKit
} // namespace NetworkCache
#endif // ENABLE(NETWORK_CACHE_SPECULATIVE_REVALIDATION)
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