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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef mozilla_dom_cache_AutoUtils_h
#define mozilla_dom_cache_AutoUtils_h
#include "mozilla/Attributes.h"
#include "mozilla/dom/cache/CacheTypes.h"
#include "mozilla/dom/cache/Types.h"
#include "mozilla/dom/cache/TypeUtils.h"
#include "nsTArray.h"
struct nsID;
namespace mozilla {
class ErrorResult;
namespace ipc {
class PBackgroundParent;
class AutoIPCStream;
} // namespace ipc
namespace dom {
class InternalRequest;
namespace cache {
class CacheStreamControlParent;
class Manager;
struct SavedRequest;
struct SavedResponse;
class StreamList;
// A collection of RAII-style helper classes to ensure that IPC
// FileDescriptorSet actors are properly cleaned up. The user of these actors
// must manually either Forget() the Fds or Send__delete__() the actor
// depending on if the descriptors were actually sent.
//
// Note, these should only be used when *sending* streams across IPC. The
// deserialization case is handled by creating a ReadStream object.
class MOZ_STACK_CLASS AutoChildOpArgs final
{
public:
typedef TypeUtils::BodyAction BodyAction;
typedef TypeUtils::SchemeAction SchemeAction;
AutoChildOpArgs(TypeUtils* aTypeUtils, const CacheOpArgs& aOpArgs,
uint32_t aEntryCount);
~AutoChildOpArgs();
void Add(InternalRequest* aRequest, BodyAction aBodyAction,
SchemeAction aSchemeAction, ErrorResult& aRv);
void Add(InternalRequest* aRequest, BodyAction aBodyAction,
SchemeAction aSchemeAction, Response& aResponse, ErrorResult& aRv);
const CacheOpArgs& SendAsOpArgs();
private:
TypeUtils* mTypeUtils;
CacheOpArgs mOpArgs;
nsTArray<UniquePtr<mozilla::ipc::AutoIPCStream>> mStreamCleanupList;
bool mSent;
};
class MOZ_STACK_CLASS AutoParentOpResult final
{
public:
AutoParentOpResult(mozilla::ipc::PBackgroundParent* aManager,
const CacheOpResult& aOpResult,
uint32_t aEntryCount);
~AutoParentOpResult();
void Add(CacheId aOpenedCacheId, Manager* aManager);
void Add(const SavedResponse& aSavedResponse, StreamList* aStreamList);
void Add(const SavedRequest& aSavedRequest, StreamList* aStreamList);
const CacheOpResult& SendAsOpResult();
private:
void SerializeResponseBody(const SavedResponse& aSavedResponse,
StreamList* aStreamList,
CacheResponse* aResponseOut);
void SerializeReadStream(const nsID& aId, StreamList* aStreamList,
CacheReadStream* aReadStreamOut);
mozilla::ipc::PBackgroundParent* mManager;
CacheOpResult mOpResult;
CacheStreamControlParent* mStreamControl;
nsTArray<UniquePtr<mozilla::ipc::AutoIPCStream>> mStreamCleanupList;
bool mSent;
};
} // namespace cache
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_cache_AutoUtils_h
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