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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/198470">198470</a></dd>
<dt>Author</dt> <dd>cdumez@apple.com</dd>
<dt>Date</dt> <dd>2016-03-19 11:46:50 -0700 (Sat, 19 Mar 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>Add a setting to let the client toggle support for network cache speculative validation
https://bugs.webkit.org/show_bug.cgi?id=155622
&lt;rdar://problem/25233209&gt;

Reviewed by Darin Adler.

Add SPI to toggle support for network cache speculative validation.
Enable network cache speculative validation by default for now, until
I have a chance to update the clients to use the new SPI.

* UIProcess/API/APIProcessPoolConfiguration.h:
* UIProcess/API/C/WKContext.cpp:
(WKContextSetDiskCacheSpeculativeValidationEnabled):
* UIProcess/API/C/WKContextPrivate.h:
* UIProcess/API/Cocoa/_WKProcessPoolConfiguration.h:
* UIProcess/API/Cocoa/_WKProcessPoolConfiguration.mm:
(-[_WKProcessPoolConfiguration diskCacheSpeculativeValidationEnabled]):
(-[_WKProcessPoolConfiguration setDiskCacheSpeculativeValidationEnabled:]):
* UIProcess/Cocoa/WebProcessPoolCocoa.mm:
(WebKit::WebProcessPool::platformInitializeNetworkProcess):</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPIAPIProcessPoolConfigurationh">trunk/Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPICWKContextcpp">trunk/Source/WebKit2/UIProcess/API/C/WKContext.cpp</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPICWKContextPrivateh">trunk/Source/WebKit2/UIProcess/API/C/WKContextPrivate.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPICocoa_WKProcessPoolConfigurationh">trunk/Source/WebKit2/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.h</a></li>
<li><a href="#trunkSourceWebKit2UIProcessAPICocoa_WKProcessPoolConfigurationmm">trunk/Source/WebKit2/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.mm</a></li>
<li><a href="#trunkSourceWebKit2UIProcessCocoaWebProcessPoolCocoamm">trunk/Source/WebKit2/UIProcess/Cocoa/WebProcessPoolCocoa.mm</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (198469 => 198470)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2016-03-19 18:13:42 UTC (rev 198469)
+++ trunk/Source/WebKit2/ChangeLog        2016-03-19 18:46:50 UTC (rev 198470)
</span><span class="lines">@@ -1,3 +1,26 @@
</span><ins>+2016-03-19  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        Add a setting to let the client toggle support for network cache speculative validation
+        https://bugs.webkit.org/show_bug.cgi?id=155622
+        &lt;rdar://problem/25233209&gt;
+
+        Reviewed by Darin Adler.
+
+        Add SPI to toggle support for network cache speculative validation.
+        Enable network cache speculative validation by default for now, until
+        I have a chance to update the clients to use the new SPI.
+
+        * UIProcess/API/APIProcessPoolConfiguration.h:
+        * UIProcess/API/C/WKContext.cpp:
+        (WKContextSetDiskCacheSpeculativeValidationEnabled):
+        * UIProcess/API/C/WKContextPrivate.h:
+        * UIProcess/API/Cocoa/_WKProcessPoolConfiguration.h:
+        * UIProcess/API/Cocoa/_WKProcessPoolConfiguration.mm:
+        (-[_WKProcessPoolConfiguration diskCacheSpeculativeValidationEnabled]):
+        (-[_WKProcessPoolConfiguration setDiskCacheSpeculativeValidationEnabled:]):
+        * UIProcess/Cocoa/WebProcessPoolCocoa.mm:
+        (WebKit::WebProcessPool::platformInitializeNetworkProcess):
+
</ins><span class="cx"> 2016-03-19  Yongjun Zhang  &lt;yongjun_zhang@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=155664
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPIAPIProcessPoolConfigurationh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.h (198469 => 198470)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.h        2016-03-19 18:13:42 UTC (rev 198469)
+++ trunk/Source/WebKit2/UIProcess/API/APIProcessPoolConfiguration.h        2016-03-19 18:46:50 UTC (rev 198470)
</span><span class="lines">@@ -50,6 +50,9 @@
</span><span class="cx">     unsigned maximumProcessCount() const { return m_maximumProcessCount; }
</span><span class="cx">     void setMaximumProcessCount(unsigned maximumProcessCount) { m_maximumProcessCount = maximumProcessCount; } 
</span><span class="cx"> 
</span><ins>+    bool diskCacheSpeculativeValidationEnabled() const { return m_diskCacheSpeculativeValidationEnabled; }
+    void setDiskCacheSpeculativeValidationEnabled(bool enabled) { m_diskCacheSpeculativeValidationEnabled = enabled; }
+
</ins><span class="cx">     WebKit::CacheModel cacheModel() const { return m_cacheModel; }
</span><span class="cx">     void setCacheModel(WebKit::CacheModel cacheModel) { m_cacheModel = cacheModel; }
</span><span class="cx"> 
</span><span class="lines">@@ -93,6 +96,8 @@
</span><span class="cx">     bool m_shouldHaveLegacyDataStore { false };
</span><span class="cx"> 
</span><span class="cx">     unsigned m_maximumProcessCount { 0 };
</span><ins>+    // FIXME: This should be disabled by default once Safari has been updated to explicitly enable it.
+    bool m_diskCacheSpeculativeValidationEnabled { true };
</ins><span class="cx">     WebKit::CacheModel m_cacheModel { WebKit::CacheModelPrimaryWebBrowser };
</span><span class="cx">     int64_t m_diskCacheSizeOverride { -1 };
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPICWKContextcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/C/WKContext.cpp (198469 => 198470)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/C/WKContext.cpp        2016-03-19 18:13:42 UTC (rev 198469)
+++ trunk/Source/WebKit2/UIProcess/API/C/WKContext.cpp        2016-03-19 18:46:50 UTC (rev 198470)
</span><span class="lines">@@ -392,6 +392,11 @@
</span><span class="cx">     toImpl(contextRef)-&gt;setCanHandleHTTPSServerTrustEvaluation(value);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WKContextSetDiskCacheSpeculativeValidationEnabled(WKContextRef contextRef, bool value)
+{
+    toImpl(contextRef)-&gt;configuration().setDiskCacheSpeculativeValidationEnabled(value);
+}
+
</ins><span class="cx"> WKCookieManagerRef WKContextGetCookieManager(WKContextRef contextRef)
</span><span class="cx"> {
</span><span class="cx">     return toAPI(toImpl(contextRef)-&gt;supplement&lt;WebCookieManagerProxy&gt;());
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPICWKContextPrivateh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/C/WKContextPrivate.h (198469 => 198470)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/C/WKContextPrivate.h        2016-03-19 18:13:42 UTC (rev 198469)
+++ trunk/Source/WebKit2/UIProcess/API/C/WKContextPrivate.h        2016-03-19 18:46:50 UTC (rev 198470)
</span><span class="lines">@@ -60,6 +60,8 @@
</span><span class="cx"> 
</span><span class="cx"> WK_EXPORT void WKContextSetCanHandleHTTPSServerTrustEvaluation(WKContextRef context, bool value);
</span><span class="cx"> 
</span><ins>+WK_EXPORT void WKContextSetDiskCacheSpeculativeValidationEnabled(WKContextRef context, bool value);
+
</ins><span class="cx"> WK_EXPORT void WKContextSetIconDatabasePath(WKContextRef context, WKStringRef iconDatabasePath);
</span><span class="cx"> 
</span><span class="cx"> WK_EXPORT void WKContextAllowSpecificHTTPSCertificateForHost(WKContextRef context, WKCertificateInfoRef certificate, WKStringRef host);
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPICocoa_WKProcessPoolConfigurationh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.h (198469 => 198470)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.h        2016-03-19 18:13:42 UTC (rev 198469)
+++ trunk/Source/WebKit2/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.h        2016-03-19 18:46:50 UTC (rev 198470)
</span><span class="lines">@@ -36,6 +36,7 @@
</span><span class="cx"> @property (nonatomic) NSInteger diskCacheSizeOverride WK_AVAILABLE(10_11, 9_0);
</span><span class="cx"> @property (nonatomic, copy) NSArray *cachePartitionedURLSchemes;
</span><span class="cx"> @property (nonatomic, copy) WK_ARRAY(NSString *) *alwaysRevalidatedURLSchemes WK_AVAILABLE(WK_MAC_TBA, WK_IOS_TBA);
</span><ins>+@property (nonatomic) BOOL diskCacheSpeculativeValidationEnabled WK_AVAILABLE(WK_MAC_TBA, WK_IOS_TBA);
</ins><span class="cx"> 
</span><span class="cx"> @end
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessAPICocoa_WKProcessPoolConfigurationmm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.mm (198469 => 198470)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.mm        2016-03-19 18:13:42 UTC (rev 198469)
+++ trunk/Source/WebKit2/UIProcess/API/Cocoa/_WKProcessPoolConfiguration.mm        2016-03-19 18:46:50 UTC (rev 198470)
</span><span class="lines">@@ -82,6 +82,16 @@
</span><span class="cx">     _processPoolConfiguration-&gt;setDiskCacheSizeOverride(size);
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+- (BOOL)diskCacheSpeculativeValidationEnabled
+{
+    return _processPoolConfiguration-&gt;diskCacheSpeculativeValidationEnabled();
+}
+
+- (void)setDiskCacheSpeculativeValidationEnabled:(BOOL)enabled
+{
+    _processPoolConfiguration-&gt;setDiskCacheSpeculativeValidationEnabled(enabled);
+}
+
</ins><span class="cx"> - (NSArray *)cachePartitionedURLSchemes
</span><span class="cx"> {
</span><span class="cx">     auto schemes = _processPoolConfiguration-&gt;cachePartitionedURLSchemes();
</span></span></pre></div>
<a id="trunkSourceWebKit2UIProcessCocoaWebProcessPoolCocoamm"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/UIProcess/Cocoa/WebProcessPoolCocoa.mm (198469 => 198470)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/UIProcess/Cocoa/WebProcessPoolCocoa.mm        2016-03-19 18:13:42 UTC (rev 198469)
+++ trunk/Source/WebKit2/UIProcess/Cocoa/WebProcessPoolCocoa.mm        2016-03-19 18:46:50 UTC (rev 198470)
</span><span class="lines">@@ -78,10 +78,7 @@
</span><span class="cx"> #if ENABLE(NETWORK_CACHE)
</span><span class="cx"> static NSString * const WebKitNetworkCacheEnabledDefaultsKey = @&quot;WebKitNetworkCacheEnabled&quot;;
</span><span class="cx"> static NSString * const WebKitNetworkCacheEfficacyLoggingEnabledDefaultsKey = @&quot;WebKitNetworkCacheEfficacyLoggingEnabled&quot;;
</span><del>-#if ENABLE(NETWORK_CACHE_SPECULATIVE_REVALIDATION)
-static NSString * const WebKitNetworkCacheSpeculativeRevalidationEnabledDefaultsKey = @&quot;WebKitNetworkCacheResourceRevalidationEnabled&quot;;
</del><span class="cx"> #endif
</span><del>-#endif
</del><span class="cx"> 
</span><span class="cx"> static NSString * const WebKitSuppressMemoryPressureHandlerDefaultsKey = @&quot;WebKitSuppressMemoryPressureHandler&quot;;
</span><span class="cx"> 
</span><span class="lines">@@ -105,10 +102,7 @@
</span><span class="cx"> #if ENABLE(NETWORK_CACHE)
</span><span class="cx">     [registrationDictionary setObject:[NSNumber numberWithBool:YES] forKey:WebKitNetworkCacheEnabledDefaultsKey];
</span><span class="cx">     [registrationDictionary setObject:[NSNumber numberWithBool:NO] forKey:WebKitNetworkCacheEfficacyLoggingEnabledDefaultsKey];
</span><del>-#if ENABLE(NETWORK_CACHE_SPECULATIVE_REVALIDATION)
-    [registrationDictionary setObject:[NSNumber numberWithBool:YES] forKey:WebKitNetworkCacheSpeculativeRevalidationEnabledDefaultsKey];
</del><span class="cx"> #endif
</span><del>-#endif
</del><span class="cx"> 
</span><span class="cx">     [[NSUserDefaults standardUserDefaults] registerDefaults:registrationDictionary];
</span><span class="cx"> }
</span><span class="lines">@@ -248,7 +242,7 @@
</span><span class="cx">     parameters.shouldEnableNetworkCache = isNetworkCacheEnabled();
</span><span class="cx">     parameters.shouldEnableNetworkCacheEfficacyLogging = [defaults boolForKey:WebKitNetworkCacheEfficacyLoggingEnabledDefaultsKey];
</span><span class="cx"> #if ENABLE(NETWORK_CACHE_SPECULATIVE_REVALIDATION)
</span><del>-    parameters.shouldEnableNetworkCacheSpeculativeRevalidation = [defaults boolForKey:WebKitNetworkCacheSpeculativeRevalidationEnabledDefaultsKey];
</del><ins>+    parameters.shouldEnableNetworkCacheSpeculativeRevalidation = m_configuration-&gt;diskCacheSpeculativeValidationEnabled();
</ins><span class="cx"> #endif
</span><span class="cx"> #endif
</span><span class="cx"> 
</span></span></pre>
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