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Bug 1098415 - Skip DNS prefetch for local resources. r=sworkman

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This commit is contained in:
Jeff Lu 2015-02-12 15:21:00 +01:00
parent e86af6d167
commit b5aa7ed3a5
1 changed files with 16 additions and 8 deletions
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24
dom/html/nsHTMLDNSPrefetch.cpp
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@ -311,21 +311,29 @@ nsHTMLDNSPrefetch::nsDeferrals::SubmitQueue()
// Only prefetch here if request was deferred and deferral not cancelled
if (link && link->HasDeferredDNSPrefetchRequest()) {
nsCOMPtr<nsIURI> hrefURI(link ? link->GetURI() : nullptr);
if (hrefURI)
hrefURI->GetAsciiHost(hostName);
bool isLocalResource = false;
nsresult rv;
if (!hostName.IsEmpty()) {
hostName.Truncate();
if (hrefURI) {
hrefURI->GetAsciiHost(hostName);
rv = NS_URIChainHasFlags(hrefURI,
nsIProtocolHandler::URI_IS_LOCAL_RESOURCE,
&isLocalResource);
}
if (!hostName.IsEmpty() && NS_SUCCEEDED(rv) && !isLocalResource) {
if (IsNeckoChild()) {
gNeckoChild->SendHTMLDNSPrefetch(NS_ConvertUTF8toUTF16(hostName),
mEntries[mTail].mFlags);
} else {
nsCOMPtr<nsICancelable> tmpOutstanding;
nsresult rv = sDNSService->AsyncResolve(hostName,
mEntries[mTail].mFlags
| nsIDNSService::RESOLVE_SPECULATE,
sDNSListener, nullptr,
getter_AddRefs(tmpOutstanding));
rv = sDNSService->AsyncResolve(hostName,
mEntries[mTail].mFlags
| nsIDNSService::RESOLVE_SPECULATE,
sDNSListener, nullptr,
getter_AddRefs(tmpOutstanding));
// Tell link that deferred prefetch was requested
if (NS_SUCCEEDED(rv))
link->OnDNSPrefetchRequested();