Attachment 369487 Details for Bug 197736 – Patch

[patch] Patch

bug-197736-20190509145001.patch (text/plain), 3.37 KB, created by Rob Buis on 2019-05-09 05:50:01 PDT

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Creator: Rob Buis

Created: 2019-05-09 05:50:01 PDT

Size: 3.37 KB

patch

obsolete

>Subversion Revision: 245127
>diff --git a/Source/WebKit/ChangeLog b/Source/WebKit/ChangeLog
>index b8082181010baea60ae247624c9165dbcad66457..b45c9cfe816548b141a9f97f0a0ba34b3301c0ab 100644
>--- a/Source/WebKit/ChangeLog
>+++ b/Source/WebKit/ChangeLog
>@@ -1,3 +1,18 @@
>+2019-05-09  Rob Buis  <rbuis@igalia.com>
>+
>+        Limit number of prefetches of a given page
>+        https://bugs.webkit.org/show_bug.cgi?id=197736
>+
>+        Reviewed by NOBODY (OOPS!).
>+
>+        Limit prefetches for same url to 1.
>+
>+        * NetworkProcess/NetworkResourceLoader.cpp:
>+        (WebKit::NetworkResourceLoader::tryStoreAsCacheEntry):
>+        * NetworkProcess/cache/PrefetchCache.cpp:
>+        (WebKit::PrefetchCache::contains const):
>+        * NetworkProcess/cache/PrefetchCache.h:
>+
> 2019-05-08  Antoine Quint  <graouts@apple.com>
> 
>         [iOS] Correctly handle overlapping regions for elements with a touch-action property
>diff --git a/Source/WebKit/NetworkProcess/NetworkResourceLoader.cpp b/Source/WebKit/NetworkProcess/NetworkResourceLoader.cpp
>index 4510e9268a22c205c8c6b035a7b0fcfe478e06e2..acb03eeda530ef74865a7750e6f1db724e25d1d4 100644
>--- a/Source/WebKit/NetworkProcess/NetworkResourceLoader.cpp
>+++ b/Source/WebKit/NetworkProcess/NetworkResourceLoader.cpp
>@@ -810,8 +810,12 @@ void NetworkResourceLoader::tryStoreAsCacheEntry()
>         return;
> 
>     if (isCrossOriginPrefetch()) {
>-        if (auto session = m_connection->networkProcess().networkSession(sessionID()))
>+        if (auto session = m_connection->networkProcess().networkSession(sessionID())) {
>+            // Limit prefetches for same url to 1.
>+            if (session->prefetchCache().contains(m_networkLoad->currentRequest().url()))
>+                return;
>             session->prefetchCache().store(m_networkLoad->currentRequest().url(), WTFMove(m_response), WTFMove(m_bufferedDataForCache));
>+        }
>         return;
>     }
>     m_cache->store(m_networkLoad->currentRequest(), m_response, WTFMove(m_bufferedDataForCache), [loader = makeRef(*this)](auto& mappedBody) mutable {
>diff --git a/Source/WebKit/NetworkProcess/cache/PrefetchCache.cpp b/Source/WebKit/NetworkProcess/cache/PrefetchCache.cpp
>index 73cab47f91ee74241f232fffbe3f992df9c56cfc..1ae112af6354b297868073ebc034b769cd19258a 100644
>--- a/Source/WebKit/NetworkProcess/cache/PrefetchCache.cpp
>+++ b/Source/WebKit/NetworkProcess/cache/PrefetchCache.cpp
>@@ -63,6 +63,14 @@ std::unique_ptr<PrefetchCache::Entry> PrefetchCache::take(const URL& url)
>     return resources->take(url);
> }
> 
>+bool PrefetchCache::contains(const URL& url) const
>+{
>+    auto* resources = m_sessionPrefetches.get();
>+    if (!resources)
>+        return nullptr;
>+    return resources->contains(url);
>+}
>+
> static const Seconds expirationTimeout { 5_s };
> 
> void PrefetchCache::store(const URL& requestUrl, WebCore::ResourceResponse&& response, RefPtr<WebCore::SharedBuffer>&& buffer)
>diff --git a/Source/WebKit/NetworkProcess/cache/PrefetchCache.h b/Source/WebKit/NetworkProcess/cache/PrefetchCache.h
>index c8895fe24b76f8d04adb638c73b1a1c84b2a9c40..b95b3a5cff9cdcfb95e267612095250d046d91bd 100644
>--- a/Source/WebKit/NetworkProcess/cache/PrefetchCache.h
>+++ b/Source/WebKit/NetworkProcess/cache/PrefetchCache.h
>@@ -54,6 +54,7 @@ public:
>     };
> 
>     std::unique_ptr<Entry> take(const URL&);
>+    bool contains(const URL&) const;
>     void store(const URL&, WebCore::ResourceResponse&&, RefPtr<WebCore::SharedBuffer>&&);
> 
> private:

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Attachments on bug 197736: 369487 | 369489 | 369500