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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 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 "BackgroundChannelRegistrar.h"
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/StaticPtr.h"
#include "HttpBackgroundChannelParent.h"
#include "HttpChannelParent.h"
#include "nsXULAppAPI.h"
namespace {
mozilla::StaticRefPtr<mozilla::net::BackgroundChannelRegistrar> gSingleton;
}
namespace mozilla {
namespace net {
NS_IMPL_ISUPPORTS(BackgroundChannelRegistrar, nsIBackgroundChannelRegistrar)
BackgroundChannelRegistrar::BackgroundChannelRegistrar() {
// BackgroundChannelRegistrar is a main-thread-only object.
// All the operations should be run on main thread.
// It should be used on chrome process only.
MOZ_ASSERT(XRE_IsParentProcess());
MOZ_ASSERT(NS_IsMainThread());
}
BackgroundChannelRegistrar::~BackgroundChannelRegistrar() {
MOZ_ASSERT(NS_IsMainThread());
}
// static
already_AddRefed<nsIBackgroundChannelRegistrar>
BackgroundChannelRegistrar::GetOrCreate() {
if (!gSingleton) {
gSingleton = new BackgroundChannelRegistrar();
ClearOnShutdown(&gSingleton);
}
return do_AddRef(gSingleton);
}
void BackgroundChannelRegistrar::NotifyChannelLinked(
HttpChannelParent* aChannelParent, HttpBackgroundChannelParent* aBgParent) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aChannelParent);
MOZ_ASSERT(aBgParent);
aBgParent->LinkToChannel(aChannelParent);
aChannelParent->OnBackgroundParentReady(aBgParent);
}
// nsIBackgroundChannelRegistrar
void BackgroundChannelRegistrar::DeleteChannel(uint64_t aKey) {
MOZ_ASSERT(NS_IsMainThread());
mChannels.Remove(aKey);
mBgChannels.Remove(aKey);
}
void BackgroundChannelRegistrar::LinkHttpChannel(uint64_t aKey,
HttpChannelParent* aChannel) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aChannel);
RefPtr<HttpBackgroundChannelParent> bgParent;
bool found = mBgChannels.Remove(aKey, getter_AddRefs(bgParent));
if (!found) {
mChannels.InsertOrUpdate(aKey, RefPtr{aChannel});
return;
}
MOZ_ASSERT(bgParent);
NotifyChannelLinked(aChannel, bgParent);
}
void BackgroundChannelRegistrar::LinkBackgroundChannel(
uint64_t aKey, HttpBackgroundChannelParent* aBgChannel) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aBgChannel);
RefPtr<HttpChannelParent> parent;
bool found = mChannels.Remove(aKey, getter_AddRefs(parent));
if (!found) {
mBgChannels.InsertOrUpdate(aKey, RefPtr{aBgChannel});
return;
}
MOZ_ASSERT(parent);
NotifyChannelLinked(parent, aBgChannel);
}
} // namespace net
} // namespace mozilla
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