/* -*- 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/. */ #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