зеркало из https://github.com/mozilla/gecko-dev.git
125 строки
3.9 KiB
C++
125 строки
3.9 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 "mozilla/dom/cache/CacheStorageParent.h"
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#include "mozilla/Unused.h"
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#include "mozilla/dom/cache/ActorUtils.h"
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#include "mozilla/dom/cache/CacheOpParent.h"
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#include "mozilla/dom/cache/ManagerId.h"
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#include "mozilla/dom/quota/QuotaManager.h"
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#include "mozilla/ipc/PBackgroundParent.h"
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namespace mozilla::dom::cache {
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using mozilla::dom::quota::QuotaManager;
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using mozilla::ipc::PBackgroundParent;
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using mozilla::ipc::PrincipalInfo;
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// declared in ActorUtils.h
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PCacheStorageParent* AllocPCacheStorageParent(
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PBackgroundParent* aManagingActor, Namespace aNamespace,
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const mozilla::ipc::PrincipalInfo& aPrincipalInfo) {
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if (NS_WARN_IF(!QuotaManager::IsPrincipalInfoValid(aPrincipalInfo))) {
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MOZ_ASSERT(false);
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return nullptr;
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}
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return new CacheStorageParent(aManagingActor, aNamespace, aPrincipalInfo);
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}
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// declared in ActorUtils.h
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void DeallocPCacheStorageParent(PCacheStorageParent* aActor) { delete aActor; }
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CacheStorageParent::CacheStorageParent(PBackgroundParent* aManagingActor,
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Namespace aNamespace,
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const PrincipalInfo& aPrincipalInfo)
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: mNamespace(aNamespace), mVerifiedStatus(NS_OK) {
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MOZ_COUNT_CTOR(cache::CacheStorageParent);
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MOZ_DIAGNOSTIC_ASSERT(aManagingActor);
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// Start the async principal verification process immediately.
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mVerifier = PrincipalVerifier::CreateAndDispatch(*this, aManagingActor,
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aPrincipalInfo);
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MOZ_DIAGNOSTIC_ASSERT(mVerifier);
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}
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CacheStorageParent::~CacheStorageParent() {
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MOZ_COUNT_DTOR(cache::CacheStorageParent);
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MOZ_DIAGNOSTIC_ASSERT(!mVerifier);
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}
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void CacheStorageParent::ActorDestroy(ActorDestroyReason aReason) {
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if (mVerifier) {
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mVerifier->RemoveListener(*this);
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mVerifier = nullptr;
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}
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}
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PCacheOpParent* CacheStorageParent::AllocPCacheOpParent(
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const CacheOpArgs& aOpArgs) {
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if (aOpArgs.type() != CacheOpArgs::TStorageMatchArgs &&
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aOpArgs.type() != CacheOpArgs::TStorageHasArgs &&
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aOpArgs.type() != CacheOpArgs::TStorageOpenArgs &&
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aOpArgs.type() != CacheOpArgs::TStorageDeleteArgs &&
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aOpArgs.type() != CacheOpArgs::TStorageKeysArgs) {
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MOZ_CRASH("Invalid operation sent to CacheStorage actor!");
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}
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return new CacheOpParent(Manager(), mNamespace, aOpArgs);
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}
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bool CacheStorageParent::DeallocPCacheOpParent(PCacheOpParent* aActor) {
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delete aActor;
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return true;
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}
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mozilla::ipc::IPCResult CacheStorageParent::RecvPCacheOpConstructor(
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PCacheOpParent* aActor, const CacheOpArgs& aOpArgs) {
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auto actor = static_cast<CacheOpParent*>(aActor);
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if (mVerifier) {
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MOZ_DIAGNOSTIC_ASSERT(!mManagerId);
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actor->WaitForVerification(mVerifier);
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return IPC_OK();
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}
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if (NS_WARN_IF(NS_FAILED(mVerifiedStatus))) {
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ErrorResult result(mVerifiedStatus);
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QM_WARNONLY_TRY(OkIf(
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CacheOpParent::Send__delete__(actor, std::move(result), void_t())));
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return IPC_OK();
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}
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MOZ_DIAGNOSTIC_ASSERT(mManagerId);
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actor->Execute(mManagerId);
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return IPC_OK();
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}
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mozilla::ipc::IPCResult CacheStorageParent::RecvTeardown() {
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// If child process is gone, warn and allow actor to clean up normally
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QM_WARNONLY_TRY(OkIf(Send__delete__(this)));
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return IPC_OK();
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}
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void CacheStorageParent::OnPrincipalVerified(
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nsresult aRv, const SafeRefPtr<ManagerId>& aManagerId) {
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MOZ_DIAGNOSTIC_ASSERT(mVerifier);
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MOZ_DIAGNOSTIC_ASSERT(!mManagerId);
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MOZ_DIAGNOSTIC_ASSERT(NS_SUCCEEDED(mVerifiedStatus));
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if (NS_WARN_IF(NS_FAILED(aRv))) {
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mVerifiedStatus = aRv;
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}
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mManagerId = aManagerId.clonePtr();
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mVerifier->RemoveListener(*this);
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mVerifier = nullptr;
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}
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} // namespace mozilla::dom::cache
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