ipc/glue/BackgroundParentImpl.cpp
author Shih-Chiang Chien <schien@mozilla.com>
Mon, 24 Apr 2017 11:09:35 +0800
changeset 587450 0425872587b4c64e80ce16ba2e91a6009a797fac
parent 587448 423709763e1abf1362347bc2d3141e2d33aed46a
child 595241 71df1305407a1babd89457d4455202dbd7573a63
child 597374 9846de3bd9545fb2c2b803a36af85568ccf2473b
permissions -rw-r--r--
Bug 1015466 - Part 3, PHttpBackgroundChannel lifecycle management. r=mayhemer PHttpBackgroundChannel is created by content process because PBackground IPDL can only be initiated from content process. The background channel deletion is controlled by chrome process while PHttpChannel is going to be closed or canceled. BackgroundChannelRegistrar is introduced for pairing HttpChannelParent and HttpBackgroundChannelParent since they are created over different IPDL asynchronously. nsIParentRedirectingChannel.continueVerification is introduced to asynchronously wait for background channel to be established on the new channel during the Redirect2Verify phase. MozReview-Commit-ID: 41l8ivan8iA

/* -*- 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 "BackgroundParentImpl.h"

#include "BroadcastChannelParent.h"
#include "FileDescriptorSetParent.h"
#ifdef MOZ_WEBRTC
#include "CamerasParent.h"
#endif
#include "mozilla/media/MediaParent.h"
#include "mozilla/Assertions.h"
#include "mozilla/dom/ContentParent.h"
#include "mozilla/dom/DOMTypes.h"
#include "mozilla/dom/FileSystemBase.h"
#include "mozilla/dom/FileSystemRequestParent.h"
#include "mozilla/dom/GamepadEventChannelParent.h"
#include "mozilla/dom/GamepadTestChannelParent.h"
#include "mozilla/dom/PGamepadEventChannelParent.h"
#include "mozilla/dom/PGamepadTestChannelParent.h"
#include "mozilla/dom/MessagePortParent.h"
#include "mozilla/dom/ServiceWorkerRegistrar.h"
#include "mozilla/dom/asmjscache/AsmJSCache.h"
#include "mozilla/dom/cache/ActorUtils.h"
#include "mozilla/dom/indexedDB/ActorsParent.h"
#include "mozilla/dom/ipc/IPCBlobInputStreamParent.h"
#include "mozilla/dom/ipc/PendingIPCBlobParent.h"
#include "mozilla/dom/quota/ActorsParent.h"
#include "mozilla/ipc/BackgroundParent.h"
#include "mozilla/ipc/BackgroundUtils.h"
#include "mozilla/ipc/IPCStreamAlloc.h"
#include "mozilla/ipc/PBackgroundSharedTypes.h"
#include "mozilla/ipc/PBackgroundTestParent.h"
#include "mozilla/ipc/PChildToParentStreamParent.h"
#include "mozilla/ipc/PParentToChildStreamParent.h"
#include "mozilla/layout/VsyncParent.h"
#include "mozilla/net/HttpBackgroundChannelParent.h"
#include "mozilla/dom/network/UDPSocketParent.h"
#include "mozilla/dom/WebAuthnTransactionParent.h"
#include "mozilla/Preferences.h"
#include "nsNetUtil.h"
#include "nsIScriptSecurityManager.h"
#include "nsProxyRelease.h"
#include "mozilla/RefPtr.h"
#include "nsThreadUtils.h"
#include "nsTraceRefcnt.h"
#include "nsXULAppAPI.h"
#include "ServiceWorkerManagerParent.h"

#ifdef DISABLE_ASSERTS_FOR_FUZZING
#define ASSERT_UNLESS_FUZZING(...) do { } while (0)
#else
#define ASSERT_UNLESS_FUZZING(...) MOZ_ASSERT(false)
#endif

using mozilla::ipc::AssertIsOnBackgroundThread;
using mozilla::dom::asmjscache::PAsmJSCacheEntryParent;
using mozilla::dom::cache::PCacheParent;
using mozilla::dom::cache::PCacheStorageParent;
using mozilla::dom::cache::PCacheStreamControlParent;
using mozilla::dom::FileSystemBase;
using mozilla::dom::FileSystemRequestParent;
using mozilla::dom::MessagePortParent;
using mozilla::dom::PMessagePortParent;
using mozilla::dom::UDPSocketParent;
using mozilla::dom::WebAuthnTransactionParent;

namespace {

void
AssertIsOnMainThread()
{
  MOZ_ASSERT(NS_IsMainThread());
}

class TestParent final : public mozilla::ipc::PBackgroundTestParent
{
  friend class mozilla::ipc::BackgroundParentImpl;

  TestParent()
  {
    MOZ_COUNT_CTOR(TestParent);
  }

protected:
  ~TestParent() override
  {
    MOZ_COUNT_DTOR(TestParent);
  }

public:
  void
  ActorDestroy(ActorDestroyReason aWhy) override;
};

} // namespace

namespace mozilla {
namespace ipc {

using mozilla::dom::ContentParent;
using mozilla::dom::BroadcastChannelParent;
using mozilla::dom::ServiceWorkerRegistrationData;
using mozilla::dom::workers::ServiceWorkerManagerParent;

BackgroundParentImpl::BackgroundParentImpl()
{
  AssertIsInMainProcess();
  AssertIsOnMainThread();

  MOZ_COUNT_CTOR(mozilla::ipc::BackgroundParentImpl);
}

BackgroundParentImpl::~BackgroundParentImpl()
{
  AssertIsInMainProcess();
  AssertIsOnMainThread();

  MOZ_COUNT_DTOR(mozilla::ipc::BackgroundParentImpl);
}

void
BackgroundParentImpl::ActorDestroy(ActorDestroyReason aWhy)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
}

BackgroundParentImpl::PBackgroundTestParent*
BackgroundParentImpl::AllocPBackgroundTestParent(const nsCString& aTestArg)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  return new TestParent();
}

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvPBackgroundTestConstructor(
                                                  PBackgroundTestParent* aActor,
                                                  const nsCString& aTestArg)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  if (!PBackgroundTestParent::Send__delete__(aActor, aTestArg)) {
    return IPC_FAIL_NO_REASON(this);
  }
  return IPC_OK();
}

bool
BackgroundParentImpl::DeallocPBackgroundTestParent(
                                                  PBackgroundTestParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  delete static_cast<TestParent*>(aActor);
  return true;
}

auto
BackgroundParentImpl::AllocPBackgroundIDBFactoryParent(
                                                const LoggingInfo& aLoggingInfo)
  -> PBackgroundIDBFactoryParent*
{
  using mozilla::dom::indexedDB::AllocPBackgroundIDBFactoryParent;

  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  return AllocPBackgroundIDBFactoryParent(aLoggingInfo);
}

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvPBackgroundIDBFactoryConstructor(
                                            PBackgroundIDBFactoryParent* aActor,
                                            const LoggingInfo& aLoggingInfo)
{
  using mozilla::dom::indexedDB::RecvPBackgroundIDBFactoryConstructor;

  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  if (!RecvPBackgroundIDBFactoryConstructor(aActor, aLoggingInfo)) {
    return IPC_FAIL_NO_REASON(this);
  }
  return IPC_OK();
}

bool
BackgroundParentImpl::DeallocPBackgroundIDBFactoryParent(
                                            PBackgroundIDBFactoryParent* aActor)
{
  using mozilla::dom::indexedDB::DeallocPBackgroundIDBFactoryParent;

  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  return DeallocPBackgroundIDBFactoryParent(aActor);
}

auto
BackgroundParentImpl::AllocPBackgroundIndexedDBUtilsParent()
  -> PBackgroundIndexedDBUtilsParent*
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  return mozilla::dom::indexedDB::AllocPBackgroundIndexedDBUtilsParent();
}

bool
BackgroundParentImpl::DeallocPBackgroundIndexedDBUtilsParent(
                                        PBackgroundIndexedDBUtilsParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  return
    mozilla::dom::indexedDB::DeallocPBackgroundIndexedDBUtilsParent(aActor);
}

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvFlushPendingFileDeletions()
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  if (!mozilla::dom::indexedDB::RecvFlushPendingFileDeletions()) {
    return IPC_FAIL_NO_REASON(this);
  }
  return IPC_OK();
}

PPendingIPCBlobParent*
BackgroundParentImpl::AllocPPendingIPCBlobParent(const IPCBlob& aBlob)
{
  MOZ_CRASH("PPendingIPCBlobParent actors should be manually constructed!");
}

bool
BackgroundParentImpl::DeallocPPendingIPCBlobParent(PPendingIPCBlobParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  delete aActor;
  return true;
}

PIPCBlobInputStreamParent*
BackgroundParentImpl::AllocPIPCBlobInputStreamParent(const nsID& aID,
                                                     const uint64_t& aSize)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  return mozilla::dom::IPCBlobInputStreamParent::Create(aID, aSize, this);
}

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvPIPCBlobInputStreamConstructor(PIPCBlobInputStreamParent* aActor,
                                                         const nsID& aID,
                                                         const uint64_t& aSize)
{
  if (!static_cast<mozilla::dom::IPCBlobInputStreamParent*>(aActor)->HasValidStream()) {
    return IPC_FAIL_NO_REASON(this);
  }

  return IPC_OK();
}

bool
BackgroundParentImpl::DeallocPIPCBlobInputStreamParent(PIPCBlobInputStreamParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  delete aActor;
  return true;
}

PFileDescriptorSetParent*
BackgroundParentImpl::AllocPFileDescriptorSetParent(
                                          const FileDescriptor& aFileDescriptor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  return new FileDescriptorSetParent(aFileDescriptor);
}

bool
BackgroundParentImpl::DeallocPFileDescriptorSetParent(
                                               PFileDescriptorSetParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  delete static_cast<FileDescriptorSetParent*>(aActor);
  return true;
}

PChildToParentStreamParent*
BackgroundParentImpl::AllocPChildToParentStreamParent()
{
  return mozilla::ipc::AllocPChildToParentStreamParent();
}

bool
BackgroundParentImpl::DeallocPChildToParentStreamParent(
                                             PChildToParentStreamParent* aActor)
{
  delete aActor;
  return true;
}

PParentToChildStreamParent*
BackgroundParentImpl::AllocPParentToChildStreamParent()
{
  MOZ_CRASH("PParentToChildStreamParent actors should be manually constructed!");
}

bool
BackgroundParentImpl::DeallocPParentToChildStreamParent(
                                             PParentToChildStreamParent* aActor)
{
  delete aActor;
  return true;
}

BackgroundParentImpl::PVsyncParent*
BackgroundParentImpl::AllocPVsyncParent()
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  RefPtr<mozilla::layout::VsyncParent> actor =
      mozilla::layout::VsyncParent::Create();
  // There still has one ref-count after return, and it will be released in
  // DeallocPVsyncParent().
  return actor.forget().take();
}

bool
BackgroundParentImpl::DeallocPVsyncParent(PVsyncParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  // This actor already has one ref-count. Please check AllocPVsyncParent().
  RefPtr<mozilla::layout::VsyncParent> actor =
      dont_AddRef(static_cast<mozilla::layout::VsyncParent*>(aActor));
  return true;
}

camera::PCamerasParent*
BackgroundParentImpl::AllocPCamerasParent()
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

#ifdef MOZ_WEBRTC
  RefPtr<mozilla::camera::CamerasParent> actor =
      mozilla::camera::CamerasParent::Create();
  return actor.forget().take();
#else
  return nullptr;
#endif
}

bool
BackgroundParentImpl::DeallocPCamerasParent(camera::PCamerasParent *aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

#ifdef MOZ_WEBRTC
  RefPtr<mozilla::camera::CamerasParent> actor =
      dont_AddRef(static_cast<mozilla::camera::CamerasParent*>(aActor));
#endif
  return true;
}

namespace {

class InitUDPSocketParentCallback final : public Runnable
{
public:
  InitUDPSocketParentCallback(UDPSocketParent* aActor,
                              const nsACString& aFilter)
    : mActor(aActor)
    , mFilter(aFilter)
  {
    AssertIsInMainProcess();
    AssertIsOnBackgroundThread();
  }

  NS_IMETHOD
  Run() override
  {
    AssertIsInMainProcess();

    IPC::Principal principal;
    if (!mActor->Init(principal, mFilter)) {
      MOZ_CRASH("UDPSocketCallback - failed init");
    }
    return NS_OK;
  }

private:
  ~InitUDPSocketParentCallback() override = default;

  RefPtr<UDPSocketParent> mActor;
  nsCString mFilter;
};

} // namespace

auto
BackgroundParentImpl::AllocPUDPSocketParent(const OptionalPrincipalInfo& /* unused */,
                                            const nsCString& /* unused */)
  -> PUDPSocketParent*
{
  RefPtr<UDPSocketParent> p = new UDPSocketParent(this);

  return p.forget().take();
}

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvPUDPSocketConstructor(PUDPSocketParent* aActor,
                                                const OptionalPrincipalInfo& aOptionalPrincipal,
                                                const nsCString& aFilter)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  if (aOptionalPrincipal.type() == OptionalPrincipalInfo::TPrincipalInfo) {
    // Support for checking principals (for non-mtransport use) will be handled in
    // bug 1167039
    return IPC_FAIL_NO_REASON(this);
  }
  // No principal - This must be from mtransport (WebRTC/ICE) - We'd want
  // to DispatchToMainThread() here, but if we do we must block RecvBind()
  // until Init() gets run.  Since we don't have a principal, and we verify
  // we have a filter, we can safely skip the Dispatch and just invoke Init()
  // to install the filter.

  // For mtransport, this will always be "stun", which doesn't allow outbound
  // packets if they aren't STUN packets until a STUN response is seen.
  if (!aFilter.EqualsASCII(NS_NETWORK_SOCKET_FILTER_HANDLER_STUN_SUFFIX)) {
    return IPC_FAIL_NO_REASON(this);
  }

  IPC::Principal principal;
  if (!static_cast<UDPSocketParent*>(aActor)->Init(principal, aFilter)) {
    MOZ_CRASH("UDPSocketCallback - failed init");
  }

  return IPC_OK();
}

bool
BackgroundParentImpl::DeallocPUDPSocketParent(PUDPSocketParent* actor)
{
  UDPSocketParent* p = static_cast<UDPSocketParent*>(actor);
  p->Release();
  return true;
}

mozilla::dom::PBroadcastChannelParent*
BackgroundParentImpl::AllocPBroadcastChannelParent(
                                            const PrincipalInfo& aPrincipalInfo,
                                            const nsCString& aOrigin,
                                            const nsString& aChannel)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  nsString originChannelKey;

  // The format of originChannelKey is:
  //  <channelName>|<origin+OriginAttributes>

  originChannelKey.Assign(aChannel);

  originChannelKey.AppendLiteral("|");

  originChannelKey.Append(NS_ConvertUTF8toUTF16(aOrigin));

  return new BroadcastChannelParent(originChannelKey);
}

namespace {

struct MOZ_STACK_CLASS NullifyContentParentRAII
{
  explicit NullifyContentParentRAII(RefPtr<ContentParent>& aContentParent)
    : mContentParent(aContentParent)
  {}

  ~NullifyContentParentRAII()
  {
    mContentParent = nullptr;
  }

  RefPtr<ContentParent>& mContentParent;
};

class CheckPrincipalRunnable final : public Runnable
{
public:
  CheckPrincipalRunnable(already_AddRefed<ContentParent> aParent,
                         const PrincipalInfo& aPrincipalInfo,
                         const nsCString& aOrigin)
    : mContentParent(aParent)
    , mPrincipalInfo(aPrincipalInfo)
    , mOrigin(aOrigin)
  {
    AssertIsInMainProcess();
    AssertIsOnBackgroundThread();

    MOZ_ASSERT(mContentParent);
  }

  NS_IMETHOD Run() override
  {
    MOZ_ASSERT(NS_IsMainThread());

    NullifyContentParentRAII raii(mContentParent);

    nsCOMPtr<nsIPrincipal> principal = PrincipalInfoToPrincipal(mPrincipalInfo);

    nsAutoCString origin;
    nsresult rv = principal->GetOrigin(origin);
    if (NS_FAILED(rv)) {
      mContentParent->KillHard("BroadcastChannel killed: principal::GetOrigin failed.");
      return NS_OK;
    }

    if (NS_WARN_IF(!mOrigin.Equals(origin))) {
      mContentParent->KillHard("BroadcastChannel killed: origins do not match.");
      return NS_OK;
    }

    return NS_OK;
  }

private:
  RefPtr<ContentParent> mContentParent;
  PrincipalInfo mPrincipalInfo;
  nsCString mOrigin;
};

} // namespace

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvPBroadcastChannelConstructor(
                                            PBroadcastChannelParent* actor,
                                            const PrincipalInfo& aPrincipalInfo,
                                            const nsCString& aOrigin,
                                            const nsString& aChannel)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  RefPtr<ContentParent> parent = BackgroundParent::GetContentParent(this);

  // If the ContentParent is null we are dealing with a same-process actor.
  if (!parent) {
    return IPC_OK();
  }

  RefPtr<CheckPrincipalRunnable> runnable =
    new CheckPrincipalRunnable(parent.forget(), aPrincipalInfo, aOrigin);
  MOZ_ALWAYS_SUCCEEDS(NS_DispatchToMainThread(runnable));

  return IPC_OK();
}

bool
BackgroundParentImpl::DeallocPBroadcastChannelParent(
                                                PBroadcastChannelParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  delete static_cast<BroadcastChannelParent*>(aActor);
  return true;
}

mozilla::dom::PServiceWorkerManagerParent*
BackgroundParentImpl::AllocPServiceWorkerManagerParent()
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  RefPtr<dom::workers::ServiceWorkerManagerParent> agent =
    new dom::workers::ServiceWorkerManagerParent();
  return agent.forget().take();
}

bool
BackgroundParentImpl::DeallocPServiceWorkerManagerParent(
                                            PServiceWorkerManagerParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  RefPtr<dom::workers::ServiceWorkerManagerParent> parent =
    dont_AddRef(static_cast<dom::workers::ServiceWorkerManagerParent*>(aActor));
  MOZ_ASSERT(parent);
  return true;
}

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvShutdownServiceWorkerRegistrar()
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  if (BackgroundParent::IsOtherProcessActor(this)) {
    return IPC_FAIL_NO_REASON(this);
  }

  RefPtr<dom::ServiceWorkerRegistrar> service =
    dom::ServiceWorkerRegistrar::Get();
  MOZ_ASSERT(service);

  service->Shutdown();
  return IPC_OK();
}

PCacheStorageParent*
BackgroundParentImpl::AllocPCacheStorageParent(const Namespace& aNamespace,
                                               const PrincipalInfo& aPrincipalInfo)
{
  return dom::cache::AllocPCacheStorageParent(this, aNamespace, aPrincipalInfo);
}

bool
BackgroundParentImpl::DeallocPCacheStorageParent(PCacheStorageParent* aActor)
{
  dom::cache::DeallocPCacheStorageParent(aActor);
  return true;
}

PCacheParent*
BackgroundParentImpl::AllocPCacheParent()
{
  MOZ_CRASH("CacheParent actor must be provided to PBackground manager");
  return nullptr;
}

bool
BackgroundParentImpl::DeallocPCacheParent(PCacheParent* aActor)
{
  dom::cache::DeallocPCacheParent(aActor);
  return true;
}

PCacheStreamControlParent*
BackgroundParentImpl::AllocPCacheStreamControlParent()
{
  MOZ_CRASH("CacheStreamControlParent actor must be provided to PBackground manager");
  return nullptr;
}

bool
BackgroundParentImpl::DeallocPCacheStreamControlParent(PCacheStreamControlParent* aActor)
{
  dom::cache::DeallocPCacheStreamControlParent(aActor);
  return true;
}

PMessagePortParent*
BackgroundParentImpl::AllocPMessagePortParent(const nsID& aUUID,
                                              const nsID& aDestinationUUID,
                                              const uint32_t& aSequenceID)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  return new MessagePortParent(aUUID);
}

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvPMessagePortConstructor(PMessagePortParent* aActor,
                                                  const nsID& aUUID,
                                                  const nsID& aDestinationUUID,
                                                  const uint32_t& aSequenceID)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  MessagePortParent* mp = static_cast<MessagePortParent*>(aActor);
  if (!mp->Entangle(aDestinationUUID, aSequenceID)) {
    return IPC_FAIL_NO_REASON(this);
  }
  return IPC_OK();
}

bool
BackgroundParentImpl::DeallocPMessagePortParent(PMessagePortParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  delete static_cast<MessagePortParent*>(aActor);
  return true;
}

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvMessagePortForceClose(const nsID& aUUID,
                                                const nsID& aDestinationUUID,
                                                const uint32_t& aSequenceID)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  if (!MessagePortParent::ForceClose(aUUID, aDestinationUUID, aSequenceID)) {
    return IPC_FAIL_NO_REASON(this);
  }
  return IPC_OK();
}

PAsmJSCacheEntryParent*
BackgroundParentImpl::AllocPAsmJSCacheEntryParent(
                               const dom::asmjscache::OpenMode& aOpenMode,
                               const dom::asmjscache::WriteParams& aWriteParams,
                               const PrincipalInfo& aPrincipalInfo)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  return
    dom::asmjscache::AllocEntryParent(aOpenMode, aWriteParams, aPrincipalInfo);
}

bool
BackgroundParentImpl::DeallocPAsmJSCacheEntryParent(
                                                 PAsmJSCacheEntryParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  dom::asmjscache::DeallocEntryParent(aActor);
  return true;
}

BackgroundParentImpl::PQuotaParent*
BackgroundParentImpl::AllocPQuotaParent()
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  return mozilla::dom::quota::AllocPQuotaParent();
}

bool
BackgroundParentImpl::DeallocPQuotaParent(PQuotaParent* aActor)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
  MOZ_ASSERT(aActor);

  return mozilla::dom::quota::DeallocPQuotaParent(aActor);
}

dom::PFileSystemRequestParent*
BackgroundParentImpl::AllocPFileSystemRequestParent(
                                                const FileSystemParams& aParams)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  RefPtr<FileSystemRequestParent> result = new FileSystemRequestParent();

  if (NS_WARN_IF(!result->Initialize(aParams))) {
    return nullptr;
  }

  return result.forget().take();
}

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvPFileSystemRequestConstructor(
                                               PFileSystemRequestParent* aActor,
                                               const FileSystemParams& params)
{
  static_cast<FileSystemRequestParent*>(aActor)->Start();
  return IPC_OK();
}

bool
BackgroundParentImpl::DeallocPFileSystemRequestParent(
                                              PFileSystemRequestParent* aDoomed)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  RefPtr<FileSystemRequestParent> parent =
    dont_AddRef(static_cast<FileSystemRequestParent*>(aDoomed));
  return true;
}

// Gamepad API Background IPC
dom::PGamepadEventChannelParent*
BackgroundParentImpl::AllocPGamepadEventChannelParent()
{
  RefPtr<dom::GamepadEventChannelParent> parent =
    new dom::GamepadEventChannelParent();

  return parent.forget().take();
}

bool
BackgroundParentImpl::DeallocPGamepadEventChannelParent(dom::PGamepadEventChannelParent *aActor)
{
  MOZ_ASSERT(aActor);
  RefPtr<dom::GamepadEventChannelParent> parent =
    dont_AddRef(static_cast<dom::GamepadEventChannelParent*>(aActor));
  return true;
}

dom::PGamepadTestChannelParent*
BackgroundParentImpl::AllocPGamepadTestChannelParent()
{
  RefPtr<dom::GamepadTestChannelParent> parent =
    new dom::GamepadTestChannelParent();

  return parent.forget().take();
}

bool
BackgroundParentImpl::DeallocPGamepadTestChannelParent(dom::PGamepadTestChannelParent *aActor)
{
  MOZ_ASSERT(aActor);
  RefPtr<dom::GamepadTestChannelParent> parent =
    dont_AddRef(static_cast<dom::GamepadTestChannelParent*>(aActor));
  return true;
}

dom::PWebAuthnTransactionParent*
BackgroundParentImpl::AllocPWebAuthnTransactionParent()
{
  return new dom::WebAuthnTransactionParent();
}

bool
BackgroundParentImpl::DeallocPWebAuthnTransactionParent(dom::PWebAuthnTransactionParent *aActor)
{
  MOZ_ASSERT(aActor);
  delete aActor;
  return true;
}

net::PHttpBackgroundChannelParent*
BackgroundParentImpl::AllocPHttpBackgroundChannelParent(const uint64_t& aChannelId)
{
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  RefPtr<net::HttpBackgroundChannelParent> actor =
    new net::HttpBackgroundChannelParent();

  // hold extra refcount for IPDL
  return actor.forget().take();
}

mozilla::ipc::IPCResult
BackgroundParentImpl::RecvPHttpBackgroundChannelConstructor(
                                      net::PHttpBackgroundChannelParent *aActor,
                                      const uint64_t& aChannelId)
{
  MOZ_ASSERT(aActor);
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  net::HttpBackgroundChannelParent* aParent =
    static_cast<net::HttpBackgroundChannelParent*>(aActor);

  if (NS_WARN_IF(NS_FAILED(aParent->Init(aChannelId)))) {
    return IPC_FAIL_NO_REASON(this);
  }

  return IPC_OK();
}

bool
BackgroundParentImpl::DeallocPHttpBackgroundChannelParent(
                                      net::PHttpBackgroundChannelParent *aActor)
{
  MOZ_ASSERT(aActor);
  AssertIsInMainProcess();
  AssertIsOnBackgroundThread();

  // release extra refcount hold by AllocPHttpBackgroundChannelParent
  RefPtr<net::HttpBackgroundChannelParent> actor =
    dont_AddRef(static_cast<net::HttpBackgroundChannelParent*>(aActor));

  return true;
}

} // namespace ipc
} // namespace mozilla

void
TestParent::ActorDestroy(ActorDestroyReason aWhy)
{
  mozilla::ipc::AssertIsInMainProcess();
  AssertIsOnBackgroundThread();
}