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Bug 1533957 - Separate nsLoadGroup::RemoveRequest into RemoveRequestFromHashtable and NotifyRemovalObservers r=bzbarsky

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Depends on D47076

Differential Revision: https://phabricator.services.mozilla.com/D47077

--HG--
extra : moz-landing-system : lando
This commit is contained in:
Valentin Gosu 2019-10-02 15:23:52 +00:00
parent 58bbe88106
commit 7ceaf8fcce
2 changed files with 36 additions and 15 deletions
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48
netwerk/base/nsLoadGroup.cpp
View File

@ -194,14 +194,18 @@ nsLoadGroup::Cancel(nsresult status) {
mIsCanceling = true;
nsresult firstError = NS_OK;
while (count > 0) {
nsCOMPtr<nsIRequest> request = dont_AddRef(requests.ElementAt(--count));
nsCOMPtr<nsIRequest> request = requests.ElementAt(--count);
NS_ASSERTION(request, "NULL request found in list.");
if (!mRequests.Search(request)) {
// |request| was removed already
// We need to null out the entry in the request array so we don't try
// to notify the observers for this request.
nsCOMPtr<nsIRequest> request = dont_AddRef(requests.ElementAt(count));
requests.ElementAt(count) = nullptr;
continue;
}
@ -215,18 +219,17 @@ nsLoadGroup::Cancel(nsresult status) {
// Cancel the request...
rv = request->Cancel(status);
//
// Remove the request from the load group... This may cause
// the OnStopRequest notification to fire...
//
// XXX: What should the context be?
//
(void)RemoveRequest(request, nullptr, status);
(void)RemoveRequestFromHashtable(request, status);
// Remember the first failure and return it...
if (NS_FAILED(rv) && NS_SUCCEEDED(firstError)) firstError = rv;
}
for (count = requests.Length(); count > 0;) {
nsCOMPtr<nsIRequest> request = dont_AddRef(requests.ElementAt(--count));
(void)NotifyRemovalObservers(request, status);
}
if (mRequestContext) {
Unused << mRequestContext->CancelTailPendingRequests(status);
}
@ -478,6 +481,20 @@ nsLoadGroup::AddRequest(nsIRequest* request, nsISupports* ctxt) {
NS_IMETHODIMP
nsLoadGroup::RemoveRequest(nsIRequest* request, nsISupports* ctxt,
nsresult aStatus) {
// Make sure we have a owning reference to the request we're about
// to remove.
nsCOMPtr<nsIRequest> kungFuDeathGrip(request);
nsresult rv = RemoveRequestFromHashtable(request, aStatus);
if (NS_FAILED(rv)) {
return rv;
}
return NotifyRemovalObservers(request, aStatus);
}
nsresult nsLoadGroup::RemoveRequestFromHashtable(nsIRequest* request,
nsresult aStatus) {
NS_ENSURE_ARG_POINTER(request);
nsresult rv;
@ -490,11 +507,6 @@ nsLoadGroup::RemoveRequest(nsIRequest* request, nsISupports* ctxt,
mRequests.EntryCount() - 1));
}
// Make sure we have a owning reference to the request we're about
// to remove.
nsCOMPtr<nsIRequest> kungFuDeathGrip(request);
//
// Remove the request from the group. If this fails, it means that
// the request was *not* in the group so do not update the foreground
@ -546,11 +558,17 @@ nsLoadGroup::RemoveRequest(nsIRequest* request, nsISupports* ctxt,
TelemetryReport();
}
return NS_OK;
}
nsresult nsLoadGroup::NotifyRemovalObservers(nsIRequest* request,
nsresult aStatus) {
NS_ENSURE_ARG_POINTER(request);
// Undo any group priority delta...
if (mPriority != 0) RescheduleRequest(request, -mPriority);
nsLoadFlags flags;
rv = request->GetLoadFlags(&flags);
nsresult rv = request->GetLoadFlags(&flags);
if (NS_FAILED(rv)) return rv;
if (!(flags & nsIRequest::LOAD_BACKGROUND)) {

3
netwerk/base/nsLoadGroup.h
View File

@ -62,6 +62,9 @@ class nsLoadGroup : public nsILoadGroup,
void TelemetryReportChannel(nsITimedChannel* timedChannel,
bool defaultRequest);
nsresult RemoveRequestFromHashtable(nsIRequest* aRequest, nsresult aStatus);
nsresult NotifyRemovalObservers(nsIRequest* aRequest, nsresult aStatus);
protected:
uint32_t mForegroundCount;
uint32_t mLoadFlags;