gecko-dev/dom/cache/CacheStorageParent.cpp

143 строки
3.9 KiB
C++

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