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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/211882">211882</a></dd>
<dt>Author</dt> <dd>ryanhaddad@apple.com</dd>
<dt>Date</dt> <dd>2017-02-08 09:52:47 -0800 (Wed, 08 Feb 2017)</dd>
</dl>
<h3>Log Message</h3>
<pre>Unreviewed, rolling out <a href="http://trac.webkit.org/projects/webkit/changeset/211869">r211869</a>.
This change caused assertion failures on macOS WK2.
Reverted changeset:
"Allow speculative redirects"
https://bugs.webkit.org/show_bug.cgi?id=167982
http://trac.webkit.org/changeset/211869</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcessNetworkResourceLoadercpp">trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.cpp</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCachecpp">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.cpp</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheh">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.h</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheEntrycpp">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheEntry.cpp</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheEntryh">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheEntry.h</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheSpeculativeLoadcpp">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoad.cpp</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheSpeculativeLoadh">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoad.h</a></li>
<li><a href="#trunkSourceWebKit2NetworkProcesscacheNetworkCacheSpeculativeLoadManagercpp">trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoadManager.cpp</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (211881 => 211882)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog 2017-02-08 17:48:54 UTC (rev 211881)
+++ trunk/Source/WebKit2/ChangeLog 2017-02-08 17:52:47 UTC (rev 211882)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2017-02-08 Ryan Haddad <ryanhaddad@apple.com>
+
+ Unreviewed, rolling out r211869.
+
+ This change caused assertion failures on macOS WK2.
+
+ Reverted changeset:
+
+ "Allow speculative redirects"
+ https://bugs.webkit.org/show_bug.cgi?id=167982
+ http://trac.webkit.org/changeset/211869
+
</ins><span class="cx"> 2017-02-08 Eric Carlson <eric.carlson@apple.com>
</span><span class="cx">
</span><span class="cx"> Add WebRTC as an off-by-default experimental feature menu item.
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcessNetworkResourceLoadercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.cpp (211881 => 211882)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.cpp 2017-02-08 17:48:54 UTC (rev 211881)
+++ trunk/Source/WebKit2/NetworkProcess/NetworkResourceLoader.cpp 2017-02-08 17:52:47 UTC (rev 211882)
</span><span class="lines">@@ -476,8 +476,6 @@
</span><span class="cx">
</span><span class="cx"> #if ENABLE(NETWORK_CACHE)
</span><span class="cx"> if (m_isWaitingContinueWillSendRequestForCachedRedirect) {
</span><del>- m_isWaitingContinueWillSendRequestForCachedRedirect = false;
-
</del><span class="cx"> LOG(NetworkCache, "(NetworkProcess) Retrieving cached redirect");
</span><span class="cx">
</span><span class="cx"> if (canUseCachedRedirect(newRequest))
</span><span class="lines">@@ -485,6 +483,7 @@
</span><span class="cx"> else
</span><span class="cx"> startNetworkLoad(newRequest);
</span><span class="cx">
</span><ins>+ m_isWaitingContinueWillSendRequestForCachedRedirect = false;
</ins><span class="cx"> return;
</span><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="lines">@@ -644,8 +643,6 @@
</span><span class="cx"> void NetworkResourceLoader::dispatchWillSendRequestForCacheEntry(std::unique_ptr<NetworkCache::Entry> entry)
</span><span class="cx"> {
</span><span class="cx"> ASSERT(entry->redirectRequest());
</span><del>- ASSERT(!m_isWaitingContinueWillSendRequestForCachedRedirect);
-
</del><span class="cx"> LOG(NetworkCache, "(NetworkProcess) Executing cached redirect");
</span><span class="cx">
</span><span class="cx"> ++m_redirectCount;
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCachecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.cpp (211881 => 211882)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.cpp 2017-02-08 17:48:54 UTC (rev 211881)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.cpp 2017-02-08 17:52:47 UTC (rev 211882)
</span><span class="lines">@@ -395,11 +395,6 @@
</span><span class="cx"> return std::make_unique<Entry>(makeCacheKey(request), response, WTFMove(responseData), WebCore::collectVaryingRequestHeaders(request, response));
</span><span class="cx"> }
</span><span class="cx">
</span><del>-std::unique_ptr<Entry> Cache::makeRedirectEntry(const WebCore::ResourceRequest& request, const WebCore::ResourceResponse& response, const WebCore::ResourceRequest& redirectRequest)
-{
- return std::make_unique<Entry>(makeCacheKey(request), response, redirectRequest, WebCore::collectVaryingRequestHeaders(request, response));
-}
-
</del><span class="cx"> std::unique_ptr<Entry> Cache::store(const WebCore::ResourceRequest& request, const WebCore::ResourceResponse& response, RefPtr<WebCore::SharedBuffer>&& responseData, Function<void (MappedBody&)>&& completionHandler)
</span><span class="cx"> {
</span><span class="cx"> ASSERT(isEnabled());
</span><span class="lines">@@ -459,7 +454,8 @@
</span><span class="cx"> return nullptr;
</span><span class="cx"> }
</span><span class="cx">
</span><del>- auto cacheEntry = makeRedirectEntry(request, response, redirectRequest);
</del><ins>+ std::unique_ptr<Entry> cacheEntry = std::make_unique<Entry>(makeCacheKey(request), response, redirectRequest, WebCore::collectVaryingRequestHeaders(request, response));
+
</ins><span class="cx"> auto record = cacheEntry->encodeAsStorageRecord();
</span><span class="cx">
</span><span class="cx"> m_storage->store(record, nullptr);
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.h (211881 => 211882)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.h 2017-02-08 17:48:54 UTC (rev 211881)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCache.h 2017-02-08 17:52:47 UTC (rev 211882)
</span><span class="lines">@@ -125,16 +125,11 @@
</span><span class="cx"> void storeData(const DataKey&, const uint8_t* data, size_t);
</span><span class="cx">
</span><span class="cx"> std::unique_ptr<Entry> makeEntry(const WebCore::ResourceRequest&, const WebCore::ResourceResponse&, RefPtr<WebCore::SharedBuffer>&&);
</span><del>- std::unique_ptr<Entry> makeRedirectEntry(const WebCore::ResourceRequest&, const WebCore::ResourceResponse&, const WebCore::ResourceRequest& redirectRequest);
</del><span class="cx">
</span><span class="cx"> void dumpContentsToFile();
</span><span class="cx">
</span><span class="cx"> String recordsPath() const;
</span><span class="cx">
</span><del>-#if ENABLE(NETWORK_CACHE_SPECULATIVE_REVALIDATION)
- SpeculativeLoadManager* speculativeLoadManager() { return m_speculativeLoadManager.get(); }
-#endif
-
</del><span class="cx"> private:
</span><span class="cx"> Cache() = default;
</span><span class="cx"> ~Cache() = delete;
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheEntrycpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheEntry.cpp (211881 => 211882)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheEntry.cpp 2017-02-08 17:48:54 UTC (rev 211881)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheEntry.cpp 2017-02-08 17:52:47 UTC (rev 211882)
</span><span class="lines">@@ -52,10 +52,12 @@
</span><span class="cx"> , m_timeStamp(std::chrono::system_clock::now())
</span><span class="cx"> , m_response(response)
</span><span class="cx"> , m_varyingRequestHeaders(varyingRequestHeaders)
</span><del>- , m_redirectRequest(redirectRequest)
</del><span class="cx"> {
</span><span class="cx"> ASSERT(m_key.type() == "Resource");
</span><span class="cx"> // Redirect body is not needed even if exists.
</span><ins>+
+ m_redirectRequest = std::make_unique<WebCore::ResourceRequest>();
+ m_redirectRequest->setAsIsolatedCopy(redirectRequest);
</ins><span class="cx"> m_redirectRequest->setHTTPBody(nullptr);
</span><span class="cx"> }
</span><span class="cx">
</span><span class="lines">@@ -64,7 +66,6 @@
</span><span class="cx"> , m_timeStamp(other.m_timeStamp)
</span><span class="cx"> , m_response(other.m_response)
</span><span class="cx"> , m_varyingRequestHeaders(other.m_varyingRequestHeaders)
</span><del>- , m_redirectRequest(other.m_redirectRequest)
</del><span class="cx"> , m_buffer(other.m_buffer)
</span><span class="cx"> , m_sourceStorageRecord(other.m_sourceStorageRecord)
</span><span class="cx"> {
</span><span class="lines">@@ -128,7 +129,7 @@
</span><span class="cx"> return nullptr;
</span><span class="cx">
</span><span class="cx"> if (isRedirect) {
</span><del>- entry->m_redirectRequest.emplace();
</del><ins>+ entry->m_redirectRequest = std::make_unique<WebCore::ResourceRequest>();
</ins><span class="cx"> if (!entry->m_redirectRequest->decodeWithoutPlatformData(decoder))
</span><span class="cx"> return nullptr;
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheEntryh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheEntry.h (211881 => 211882)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheEntry.h 2017-02-08 17:48:54 UTC (rev 211881)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheEntry.h 2017-02-08 17:52:47 UTC (rev 211882)
</span><span class="lines">@@ -59,7 +59,7 @@
</span><span class="cx"> const Vector<std::pair<String, String>>& varyingRequestHeaders() const { return m_varyingRequestHeaders; }
</span><span class="cx">
</span><span class="cx"> WebCore::SharedBuffer* buffer() const;
</span><del>- const std::optional<WebCore::ResourceRequest>& redirectRequest() const { return m_redirectRequest; }
</del><ins>+ const WebCore::ResourceRequest* redirectRequest() const { return m_redirectRequest.get(); }
</ins><span class="cx">
</span><span class="cx"> #if ENABLE(SHAREABLE_RESOURCE)
</span><span class="cx"> ShareableResource::Handle& shareableResourceHandle() const;
</span><span class="lines">@@ -83,7 +83,7 @@
</span><span class="cx"> WebCore::ResourceResponse m_response;
</span><span class="cx"> Vector<std::pair<String, String>> m_varyingRequestHeaders;
</span><span class="cx">
</span><del>- std::optional<WebCore::ResourceRequest> m_redirectRequest;
</del><ins>+ std::unique_ptr<WebCore::ResourceRequest> m_redirectRequest;
</ins><span class="cx"> mutable RefPtr<WebCore::SharedBuffer> m_buffer;
</span><span class="cx"> #if ENABLE(SHAREABLE_RESOURCE)
</span><span class="cx"> mutable ShareableResource::Handle m_shareableResourceHandle;
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheSpeculativeLoadcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoad.cpp (211881 => 211882)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoad.cpp 2017-02-08 17:48:54 UTC (rev 211881)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoad.cpp 2017-02-08 17:52:47 UTC (rev 211882)
</span><span class="lines">@@ -67,23 +67,11 @@
</span><span class="cx"> ASSERT(!m_networkLoad);
</span><span class="cx"> }
</span><span class="cx">
</span><del>-void SpeculativeLoad::willSendRedirectedRequest(ResourceRequest&& request, ResourceRequest&& redirectRequest, ResourceResponse&& redirectResponse)
</del><ins>+void SpeculativeLoad::willSendRedirectedRequest(ResourceRequest&&, ResourceRequest&& redirectRequest, ResourceResponse&& redirectResponse)
</ins><span class="cx"> {
</span><del>- LOG(NetworkCacheSpeculativePreloading, "Speculative redirect %s -> %s", request.url().string().utf8().data(), redirectRequest.url().string().utf8().data());
-
- m_cacheEntry = NetworkCache::singleton().storeRedirect(request, redirectResponse, redirectRequest);
- // Create a synthetic cache entry if we can't store.
- if (!m_cacheEntry)
- m_cacheEntry = NetworkCache::singleton().makeRedirectEntry(request, redirectResponse, redirectRequest);
-
- auto load = WTFMove(m_networkLoad);
-
- // Don't follow the redirect. The redirect target will be registered for speculative load when it is loaded.
- didComplete();
-
- // This causes call to didFailLoading().
- if (load)
- load->continueWillSendRequest({ });
</del><ins>+ LOG(NetworkCacheSpeculativePreloading, "(NetworkProcess) Speculative revalidation for %s hit a redirect, aborting the load.", redirectResponse.url().string().utf8().data());
+ // We drop speculative revalidations if they redirect for now as we would need to notify WebCore of such redirects.
+ abort();
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> auto SpeculativeLoad::didReceiveResponse(ResourceResponse&& receivedResponse) -> ShouldContinueDidReceiveResponse
</span><span class="lines">@@ -118,10 +106,8 @@
</span><span class="cx">
</span><span class="cx"> void SpeculativeLoad::didFinishLoading(double finishTime)
</span><span class="cx"> {
</span><del>- if (m_didComplete)
- return;
</del><span class="cx"> if (!m_cacheEntry && m_bufferedDataForCache) {
</span><del>- m_cacheEntry = NetworkCache::singleton().store(m_originalRequest, m_response, m_bufferedDataForCache.copyRef(), [](auto& mappedBody) { });
</del><ins>+ m_cacheEntry = NetworkCache::singleton().store(m_originalRequest, m_response, WTFMove(m_bufferedDataForCache), [](auto& mappedBody) { });
</ins><span class="cx"> // Create a synthetic cache entry if we can't store.
</span><span class="cx"> if (!m_cacheEntry && m_response.httpStatusCode() == 200)
</span><span class="cx"> m_cacheEntry = NetworkCache::singleton().makeEntry(m_originalRequest, m_response, WTFMove(m_bufferedDataForCache));
</span><span class="lines">@@ -139,20 +125,24 @@
</span><span class="cx">
</span><span class="cx"> void SpeculativeLoad::didFailLoading(const ResourceError&)
</span><span class="cx"> {
</span><del>- if (m_didComplete)
- return;
</del><span class="cx"> m_cacheEntry = nullptr;
</span><span class="cx">
</span><span class="cx"> didComplete();
</span><span class="cx"> }
</span><span class="cx">
</span><ins>+void SpeculativeLoad::abort()
+{
+ if (m_networkLoad)
+ m_networkLoad->cancel();
+
+ m_cacheEntry = nullptr;
+ didComplete();
+}
+
</ins><span class="cx"> void SpeculativeLoad::didComplete()
</span><span class="cx"> {
</span><span class="cx"> RELEASE_ASSERT(RunLoop::isMain());
</span><span class="cx">
</span><del>- if (m_didComplete)
- return;
- m_didComplete = true;
</del><span class="cx"> m_networkLoad = nullptr;
</span><span class="cx">
</span><span class="cx"> // Make sure speculatively revalidated resources do not get validated by the NetworkResourceLoader again.
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheSpeculativeLoadh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoad.h (211881 => 211882)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoad.h 2017-02-08 17:48:54 UTC (rev 211881)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoad.h 2017-02-08 17:52:47 UTC (rev 211882)
</span><span class="lines">@@ -64,6 +64,7 @@
</span><span class="cx"> void didFinishLoading(double finishTime) override;
</span><span class="cx"> void didFailLoading(const WebCore::ResourceError&) override;
</span><span class="cx">
</span><ins>+ void abort();
</ins><span class="cx"> void didComplete();
</span><span class="cx">
</span><span class="cx"> GlobalFrameID m_frameID;
</span><span class="lines">@@ -76,7 +77,6 @@
</span><span class="cx">
</span><span class="cx"> RefPtr<WebCore::SharedBuffer> m_bufferedDataForCache;
</span><span class="cx"> std::unique_ptr<NetworkCache::Entry> m_cacheEntry;
</span><del>- bool m_didComplete { false };
</del><span class="cx"> };
</span><span class="cx">
</span><span class="cx"> } // namespace NetworkCache
</span></span></pre></div>
<a id="trunkSourceWebKit2NetworkProcesscacheNetworkCacheSpeculativeLoadManagercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoadManager.cpp (211881 => 211882)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoadManager.cpp 2017-02-08 17:48:54 UTC (rev 211881)
+++ trunk/Source/WebKit2/NetworkProcess/cache/NetworkCacheSpeculativeLoadManager.cpp 2017-02-08 17:52:47 UTC (rev 211882)
</span><span class="lines">@@ -345,9 +345,7 @@
</span><span class="cx"> void SpeculativeLoadManager::retrieve(const Key& storageKey, RetrieveCompletionHandler&& completionHandler)
</span><span class="cx"> {
</span><span class="cx"> if (auto preloadedEntry = m_preloadedEntries.take(storageKey)) {
</span><del>- RunLoop::main().dispatch([completionHandler = WTFMove(completionHandler), cacheEntry = preloadedEntry->takeCacheEntry()] () mutable {
- completionHandler(WTFMove(cacheEntry));
- });
</del><ins>+ completionHandler(preloadedEntry->takeCacheEntry());
</ins><span class="cx"> return;
</span><span class="cx"> }
</span><span class="cx"> ASSERT(m_pendingPreloads.contains(storageKey));
</span></span></pre>
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