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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/net/DNSListenerProxy.h"
#include "mozilla/StaticPrefs_network.h"
#include "nsICancelable.h"
#include "nsThreadUtils.h"
namespace mozilla {
namespace net {
NS_IMPL_ADDREF(DNSListenerProxy)
NS_IMPL_RELEASE(DNSListenerProxy)
NS_INTERFACE_MAP_BEGIN(DNSListenerProxy)
NS_INTERFACE_MAP_ENTRY(nsIDNSListener)
NS_INTERFACE_MAP_ENTRY_CONCRETE(DNSListenerProxy)
NS_INTERFACE_MAP_END
NS_IMETHODIMP
DNSListenerProxy::OnLookupComplete(nsICancelable* aRequest,
nsIDNSRecord* aRecord, nsresult aStatus) {
RefPtr<DNSListenerProxy> self = this;
nsCOMPtr<nsICancelable> request = aRequest;
nsCOMPtr<nsIDNSRecord> record = aRecord;
nsCOMPtr<nsIRunnable> event = NS_NewRunnableFunction(
"DNSListenerProxy::OnLookupComplete", [self, request, record, aStatus]() {
(void)self->mListener->OnLookupComplete(request, record, aStatus);
self->mListener = nullptr;
});
// XXX(valentin) We should also check if we are on the target thread and if
// true call OnLookupComplete without dispatching.
// Doing that now causes a deadlock, probably due to a held mutex.
if (StaticPrefs::network_dns_high_priority_dispatch() &&
(mTargetThread->GetFeatures() &
nsIEventTarget::SUPPORTS_PRIORITIZATION)) {
event = new PrioritizableRunnable(event.forget(),
nsIRunnablePriority::PRIORITY_MEDIUMHIGH);
}
nsresult rv = mTargetThread->Dispatch(event.forget(), NS_DISPATCH_NORMAL);
if (NS_FAILED(rv)) {
NS_WARNING("DNSListenerProxy::OnLookupComplete dispatch failed.");
}
return rv;
}
} // namespace net
} // namespace mozilla
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