mirror of
https://github.com/classilla/tenfourfox.git
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183 lines
4.6 KiB
C++
183 lines
4.6 KiB
C++
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include "mozilla/dom/cache/CacheStreamControlParent.h"
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#include "mozilla/DebugOnly.h"
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#include "mozilla/unused.h"
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#include "mozilla/dom/cache/CacheTypes.h"
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#include "mozilla/dom/cache/ReadStream.h"
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#include "mozilla/dom/cache/StreamList.h"
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#include "mozilla/ipc/FileDescriptorSetParent.h"
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#include "mozilla/ipc/PBackgroundParent.h"
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#include "mozilla/ipc/PFileDescriptorSetParent.h"
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#include "nsISupportsImpl.h"
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namespace mozilla {
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namespace dom {
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namespace cache {
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using mozilla::ipc::FileDescriptor;
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using mozilla::ipc::FileDescriptorSetParent;
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using mozilla::ipc::OptionalFileDescriptorSet;
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using mozilla::ipc::PFileDescriptorSetParent;
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// declared in ActorUtils.h
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void
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DeallocPCacheStreamControlParent(PCacheStreamControlParent* aActor)
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{
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delete aActor;
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}
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CacheStreamControlParent::CacheStreamControlParent()
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{
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MOZ_COUNT_CTOR(cache::CacheStreamControlParent);
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}
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CacheStreamControlParent::~CacheStreamControlParent()
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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MOZ_ASSERT(!mStreamList);
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MOZ_COUNT_DTOR(cache::CacheStreamControlParent);
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}
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void
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CacheStreamControlParent::SerializeControl(CacheReadStream* aReadStreamOut)
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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aReadStreamOut->controlChild() = nullptr;
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aReadStreamOut->controlParent() = this;
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}
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void
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CacheStreamControlParent::SerializeFds(CacheReadStream* aReadStreamOut,
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const nsTArray<FileDescriptor>& aFds)
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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PFileDescriptorSetParent* fdSet = nullptr;
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if (!aFds.IsEmpty()) {
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fdSet = Manager()->SendPFileDescriptorSetConstructor(aFds[0]);
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for (uint32_t i = 1; i < aFds.Length(); ++i) {
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Unused << fdSet->SendAddFileDescriptor(aFds[i]);
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}
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}
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if (fdSet) {
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aReadStreamOut->fds() = fdSet;
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} else {
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aReadStreamOut->fds() = void_t();
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}
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}
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void
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CacheStreamControlParent::DeserializeFds(const CacheReadStream& aReadStream,
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nsTArray<FileDescriptor>& aFdsOut)
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{
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if (aReadStream.fds().type() !=
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OptionalFileDescriptorSet::TPFileDescriptorSetParent) {
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return;
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}
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FileDescriptorSetParent* fdSetActor =
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static_cast<FileDescriptorSetParent*>(aReadStream.fds().get_PFileDescriptorSetParent());
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MOZ_ASSERT(fdSetActor);
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fdSetActor->ForgetFileDescriptors(aFdsOut);
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MOZ_ASSERT(!aFdsOut.IsEmpty());
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if (!fdSetActor->Send__delete__(fdSetActor)) {
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// child process is gone, warn and allow actor to clean up normally
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NS_WARNING("Cache failed to delete fd set actor.");
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}
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}
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void
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CacheStreamControlParent::NoteClosedAfterForget(const nsID& aId)
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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RecvNoteClosed(aId);
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}
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#ifdef DEBUG
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void
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CacheStreamControlParent::AssertOwningThread()
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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}
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#endif
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void
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CacheStreamControlParent::ActorDestroy(ActorDestroyReason aReason)
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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CloseAllReadStreamsWithoutReporting();
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mStreamList->RemoveStreamControl(this);
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mStreamList->NoteClosedAll();
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mStreamList = nullptr;
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}
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bool
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CacheStreamControlParent::RecvNoteClosed(const nsID& aId)
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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MOZ_ASSERT(mStreamList);
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mStreamList->NoteClosed(aId);
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return true;
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}
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void
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CacheStreamControlParent::SetStreamList(StreamList* aStreamList)
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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MOZ_ASSERT(!mStreamList);
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mStreamList = aStreamList;
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}
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void
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CacheStreamControlParent::Close(const nsID& aId)
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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NotifyClose(aId);
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Unused << SendClose(aId);
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}
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void
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CacheStreamControlParent::CloseAll()
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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NotifyCloseAll();
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Unused << SendCloseAll();
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}
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void
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CacheStreamControlParent::Shutdown()
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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if (!Send__delete__(this)) {
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// child process is gone, allow actor to be destroyed normally
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NS_WARNING("Cache failed to delete stream actor.");
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return;
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}
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}
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void
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CacheStreamControlParent::NotifyClose(const nsID& aId)
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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CloseReadStreams(aId);
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}
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void
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CacheStreamControlParent::NotifyCloseAll()
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{
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NS_ASSERT_OWNINGTHREAD(CacheStreamControlParent);
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CloseAllReadStreams();
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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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