mirror of
https://github.com/mozilla/gecko-dev.git
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bbc5dad9a8
Differential Revision: https://phabricator.services.mozilla.com/D26172 --HG-- extra : moz-landing-system : lando
155 lines
4.9 KiB
C++
155 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "FetchEventOpProxyChild.h"
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#include <utility>
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#include "nsCOMPtr.h"
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#include "nsDebug.h"
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#include "nsThreadUtils.h"
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#include "mozilla/Assertions.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/Unused.h"
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#include "mozilla/dom/RemoteWorkerChild.h"
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#include "mozilla/dom/RemoteWorkerService.h"
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#include "mozilla/dom/ServiceWorkerOp.h"
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#include "mozilla/dom/WorkerCommon.h"
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#include "mozilla/ipc/BackgroundChild.h"
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#include "mozilla/ipc/IPCStreamUtils.h"
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namespace mozilla {
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using namespace ipc;
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namespace dom {
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namespace {
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nsresult GetIPCSynthesizeResponseArgs(
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IPCSynthesizeResponseArgs* aIPCArgs, SynthesizeResponseArgs&& aArgs,
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UniquePtr<AutoIPCStream>& aAutoBodyStream,
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UniquePtr<AutoIPCStream>& aAutoAlternativeBodyStream) {
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MOZ_ASSERT(RemoteWorkerService::Thread()->IsOnCurrentThread());
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PBackgroundChild* bgChild = BackgroundChild::GetOrCreateForCurrentThread();
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if (NS_WARN_IF(!bgChild)) {
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return NS_ERROR_DOM_INVALID_STATE_ERR;
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}
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aArgs.first()->ToIPC(&aIPCArgs->internalResponse(), bgChild, aAutoBodyStream,
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aAutoAlternativeBodyStream);
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aIPCArgs->closure() = std::move(aArgs.second());
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return NS_OK;
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}
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} // anonymous namespace
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void FetchEventOpProxyChild::Initialize(
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const ServiceWorkerFetchEventOpArgs& aArgs) {
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MOZ_ASSERT(RemoteWorkerService::Thread()->IsOnCurrentThread());
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MOZ_ASSERT(!mOp);
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mInternalRequest = new InternalRequest(aArgs.internalRequest());
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RemoteWorkerChild* manager = static_cast<RemoteWorkerChild*>(Manager());
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MOZ_ASSERT(manager);
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RefPtr<FetchEventOpProxyChild> self = this;
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auto callback = [self](const ServiceWorkerOpResult& aResult) {
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if (!self->CanSend()) {
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return;
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}
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if (NS_WARN_IF(aResult.type() == ServiceWorkerOpResult::Tnsresult)) {
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Unused << self->Send__delete__(self, aResult.get_nsresult());
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return;
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}
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MOZ_ASSERT(aResult.type() ==
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ServiceWorkerOpResult::TServiceWorkerFetchEventOpResult);
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Unused << self->Send__delete__(self, aResult);
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};
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RefPtr<FetchEventOp> op = ServiceWorkerOp::Create(aArgs, std::move(callback))
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.template downcast<FetchEventOp>();
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MOZ_ASSERT(op);
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op->SetActor(this);
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mOp = op;
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op->GetRespondWithPromise()
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->Then(GetCurrentThreadSerialEventTarget(), __func__,
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[self = std::move(self)](
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FetchEventRespondWithPromise::ResolveOrRejectValue&& aResult) {
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self->mRespondWithPromiseRequestHolder.Complete();
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if (NS_WARN_IF(aResult.IsReject())) {
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MOZ_ASSERT(NS_FAILED(aResult.RejectValue()));
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Unused << self->SendRespondWith(
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CancelInterceptionArgs(aResult.RejectValue()));
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return;
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}
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auto& result = aResult.ResolveValue();
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if (result.is<SynthesizeResponseArgs>()) {
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IPCSynthesizeResponseArgs ipcArgs;
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UniquePtr<AutoIPCStream> autoBodyStream =
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MakeUnique<AutoIPCStream>();
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UniquePtr<AutoIPCStream> autoAlternativeBodyStream =
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MakeUnique<AutoIPCStream>();
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nsresult rv = GetIPCSynthesizeResponseArgs(
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&ipcArgs, result.extract<SynthesizeResponseArgs>(),
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autoBodyStream, autoAlternativeBodyStream);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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Unused << self->SendRespondWith(CancelInterceptionArgs(rv));
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return;
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}
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Unused << self->SendRespondWith(ipcArgs);
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autoBodyStream->TakeOptionalValue();
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autoAlternativeBodyStream->TakeOptionalValue();
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} else if (result.is<ResetInterceptionArgs>()) {
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Unused << self->SendRespondWith(
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result.extract<ResetInterceptionArgs>());
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} else {
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Unused << self->SendRespondWith(
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result.extract<CancelInterceptionArgs>());
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}
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})
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->Track(mRespondWithPromiseRequestHolder);
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manager->MaybeStartOp(std::move(op));
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}
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RefPtr<InternalRequest> FetchEventOpProxyChild::ExtractInternalRequest() {
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MOZ_ASSERT(IsCurrentThreadRunningWorker());
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MOZ_ASSERT(mInternalRequest);
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return RefPtr<InternalRequest>(std::move(mInternalRequest));
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}
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void FetchEventOpProxyChild::ActorDestroy(ActorDestroyReason) {
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Unused << NS_WARN_IF(mRespondWithPromiseRequestHolder.Exists());
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mRespondWithPromiseRequestHolder.DisconnectIfExists();
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mOp->RevokeActor(this);
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mOp = nullptr;
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}
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} // namespace dom
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} // namespace mozilla
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