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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/182296">182296</a></dd>
<dt>Author</dt> <dd>cdumez@apple.com</dd>
<dt>Date</dt> <dd>2015-04-02 16:19:42 -0700 (Thu, 02 Apr 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>[WK2][NetworkCache] Drop HTTP method from NetworkCache::Key
https://bugs.webkit.org/show_bug.cgi?id=143348
Reviewed by Antti Koivisto.
Drop HTTP method from NetworkCache::Key as we only cache GET responses
for now. Even when we start caching HEAD responses, we likely will not
want the method to be part of the key because:
- A HEAD response can be used to update the headers of a previously cached response to GET
- A cached GET response may be used to satisfy subsequent HEAD requests
* NetworkProcess/cache/NetworkCache.cpp:
(WebKit::NetworkCache::makeCacheKey):
* NetworkProcess/cache/NetworkCacheKey.cpp:
(WebKit::NetworkCache::Key::Key):
(WebKit::NetworkCache::Key::operator=):
(WebKit::NetworkCache::Key::computeHash):
(WebKit::NetworkCache::Key::operator==):
(WebKit::NetworkCache::Key::encode):
(WebKit::NetworkCache::Key::decode):
* NetworkProcess/cache/NetworkCacheKey.h:
(WebKit::NetworkCache::Key::method): Deleted.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCachecpp">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.cpp</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheKeycpp">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheKey.cpp</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheKeyh">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheKey.h</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (182295 => 182296)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog 2015-04-02 22:50:40 UTC (rev 182295)
+++ trunk/Source/WebKit2/ChangeLog 2015-04-02 23:19:42 UTC (rev 182296)
</span><span class="lines">@@ -1,3 +1,28 @@
</span><ins>+2015-04-02 Chris Dumez <cdumez@apple.com>
+
+ [WK2][NetworkCache] Drop HTTP method from NetworkCache::Key
+ https://bugs.webkit.org/show_bug.cgi?id=143348
+
+ Reviewed by Antti Koivisto.
+
+ Drop HTTP method from NetworkCache::Key as we only cache GET responses
+ for now. Even when we start caching HEAD responses, we likely will not
+ want the method to be part of the key because:
+ - A HEAD response can be used to update the headers of a previously cached response to GET
+ - A cached GET response may be used to satisfy subsequent HEAD requests
+
+ * NetworkProcess/cache/NetworkCache.cpp:
+ (WebKit::NetworkCache::makeCacheKey):
+ * NetworkProcess/cache/NetworkCacheKey.cpp:
+ (WebKit::NetworkCache::Key::Key):
+ (WebKit::NetworkCache::Key::operator=):
+ (WebKit::NetworkCache::Key::computeHash):
+ (WebKit::NetworkCache::Key::operator==):
+ (WebKit::NetworkCache::Key::encode):
+ (WebKit::NetworkCache::Key::decode):
+ * NetworkProcess/cache/NetworkCacheKey.h:
+ (WebKit::NetworkCache::Key::method): Deleted.
+
</ins><span class="cx"> 2015-04-02 Jer Noble <jer.noble@apple.com>
</span><span class="cx">
</span><span class="cx"> [Mac][WK2] Fullscreen animation incorrect when initiated on non-primary monitor
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCachecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.cpp (182295 => 182296)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.cpp 2015-04-02 22:50:40 UTC (rev 182295)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.cpp 2015-04-02 23:19:42 UTC (rev 182296)
</span><span class="lines">@@ -92,7 +92,7 @@
</span><span class="cx"> #endif
</span><span class="cx"> if (partition.isEmpty())
</span><span class="cx"> partition = ASCIILiteral("No partition");
</span><del>- return { request.httpMethod(), partition, request.url().string() };
</del><ins>+ return { partition, request.url().string() };
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> static String headerValueForVary(const WebCore::ResourceRequest& request, const String& headerName)
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheKeycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheKey.cpp (182295 => 182296)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheKey.cpp 2015-04-02 22:50:40 UTC (rev 182295)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheKey.cpp 2015-04-02 23:19:42 UTC (rev 182296)
</span><span class="lines">@@ -37,16 +37,14 @@
</span><span class="cx"> namespace NetworkCache {
</span><span class="cx">
</span><span class="cx"> Key::Key(const Key& o)
</span><del>- : m_method(o.m_method.isolatedCopy())
- , m_partition(o.m_partition.isolatedCopy())
</del><ins>+ : m_partition(o.m_partition.isolatedCopy())
</ins><span class="cx"> , m_identifier(o.m_identifier.isolatedCopy())
</span><span class="cx"> , m_hash(o.m_hash)
</span><span class="cx"> {
</span><span class="cx"> }
</span><span class="cx">
</span><del>-Key::Key(const String& method, const String& partition, const String& identifier)
- : m_method(method.isolatedCopy())
- , m_partition(partition.isolatedCopy())
</del><ins>+Key::Key(const String& partition, const String& identifier)
+ : m_partition(partition.isolatedCopy())
</ins><span class="cx"> , m_identifier(identifier.isolatedCopy())
</span><span class="cx"> , m_hash(computeHash())
</span><span class="cx"> {
</span><span class="lines">@@ -54,7 +52,6 @@
</span><span class="cx">
</span><span class="cx"> Key& Key::operator=(const Key& other)
</span><span class="cx"> {
</span><del>- m_method = other.m_method.isolatedCopy();
</del><span class="cx"> m_partition = other.m_partition.isolatedCopy();
</span><span class="cx"> m_identifier = other.m_identifier.isolatedCopy();
</span><span class="cx"> m_hash = other.m_hash;
</span><span class="lines">@@ -79,7 +76,6 @@
</span><span class="cx"> // We don't really need a cryptographic hash. The key is always verified against the entry header.
</span><span class="cx"> // MD5 just happens to be suitably sized, fast and available.
</span><span class="cx"> MD5 md5;
</span><del>- hashString(md5, m_method);
</del><span class="cx"> hashString(md5, m_partition);
</span><span class="cx"> hashString(md5, m_identifier);
</span><span class="cx"> MD5::Digest hash;
</span><span class="lines">@@ -121,12 +117,11 @@
</span><span class="cx">
</span><span class="cx"> bool Key::operator==(const Key& other) const
</span><span class="cx"> {
</span><del>- return m_hash == other.m_hash && m_method == other.m_method && m_partition == other.m_partition && m_identifier == other.m_identifier;
</del><ins>+ return m_hash == other.m_hash && m_partition == other.m_partition && m_identifier == other.m_identifier;
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> void Key::encode(Encoder& encoder) const
</span><span class="cx"> {
</span><del>- encoder << m_method;
</del><span class="cx"> encoder << m_partition;
</span><span class="cx"> encoder << m_identifier;
</span><span class="cx"> encoder << m_hash;
</span><span class="lines">@@ -134,7 +129,7 @@
</span><span class="cx">
</span><span class="cx"> bool Key::decode(Decoder& decoder, Key& key)
</span><span class="cx"> {
</span><del>- return decoder.decode(key.m_method) && decoder.decode(key.m_partition) && decoder.decode(key.m_identifier) && decoder.decode(key.m_hash);
</del><ins>+ return decoder.decode(key.m_partition) && decoder.decode(key.m_identifier) && decoder.decode(key.m_hash);
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheKeyh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheKey.h (182295 => 182296)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheKey.h 2015-04-02 22:50:40 UTC (rev 182295)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheKey.h 2015-04-02 23:19:42 UTC (rev 182296)
</span><span class="lines">@@ -44,14 +44,13 @@
</span><span class="cx"> Key() { }
</span><span class="cx"> Key(const Key&);
</span><span class="cx"> Key(Key&&) = default;
</span><del>- Key(const String& method, const String& partition, const String& identifier);
</del><ins>+ Key(const String& partition, const String& identifier);
</ins><span class="cx">
</span><span class="cx"> Key& operator=(const Key&);
</span><span class="cx"> Key& operator=(Key&&) = default;
</span><span class="cx">
</span><span class="cx"> bool isNull() const { return m_identifier.isNull(); }
</span><span class="cx">
</span><del>- const String& method() const { return m_method; }
</del><span class="cx"> const String& partition() const { return m_partition; }
</span><span class="cx"> const String& identifier() const { return m_identifier; }
</span><span class="cx">
</span><span class="lines">@@ -73,7 +72,6 @@
</span><span class="cx"> private:
</span><span class="cx"> HashType computeHash() const;
</span><span class="cx">
</span><del>- String m_method;
</del><span class="cx"> String m_partition;
</span><span class="cx"> String m_identifier;
</span><span class="cx"> HashType m_hash;
</span></span></pre>
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