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