mirror of
https://github.com/classilla/tenfourfox.git
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176 lines
3.9 KiB
C++
176 lines
3.9 KiB
C++
/* -*- 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/StreamList.h"
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#include "mozilla/dom/cache/CacheStreamControlParent.h"
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#include "mozilla/dom/cache/Context.h"
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#include "mozilla/dom/cache/Manager.h"
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#include "nsIInputStream.h"
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namespace mozilla {
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namespace dom {
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namespace cache {
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StreamList::StreamList(Manager* aManager, Context* aContext)
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: mManager(aManager)
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, mContext(aContext)
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, mCacheId(INVALID_CACHE_ID)
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, mStreamControl(nullptr)
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, mActivated(false)
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{
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MOZ_ASSERT(mManager);
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mContext->AddActivity(this);
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}
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void
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StreamList::SetStreamControl(CacheStreamControlParent* aStreamControl)
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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MOZ_ASSERT(aStreamControl);
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// For cases where multiple streams are serialized for a single list
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// then the control will get passed multiple times. This is ok, but
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// it should be the same control each time.
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if (mStreamControl) {
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MOZ_ASSERT(aStreamControl == mStreamControl);
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return;
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}
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mStreamControl = aStreamControl;
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mStreamControl->SetStreamList(this);
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}
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void
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StreamList::RemoveStreamControl(CacheStreamControlParent* aStreamControl)
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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MOZ_ASSERT(mStreamControl);
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MOZ_ASSERT(mStreamControl == aStreamControl);
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mStreamControl = nullptr;
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}
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void
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StreamList::Activate(CacheId aCacheId)
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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MOZ_ASSERT(!mActivated);
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MOZ_ASSERT(mCacheId == INVALID_CACHE_ID);
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mActivated = true;
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mCacheId = aCacheId;
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mManager->AddRefCacheId(mCacheId);
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mManager->AddStreamList(this);
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for (uint32_t i = 0; i < mList.Length(); ++i) {
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mManager->AddRefBodyId(mList[i].mId);
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}
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}
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void
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StreamList::Add(const nsID& aId, nsIInputStream* aStream)
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{
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// All streams should be added on IO thread before we set the stream
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// control on the owning IPC thread.
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MOZ_ASSERT(!mStreamControl);
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MOZ_ASSERT(aStream);
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Entry* entry = mList.AppendElement();
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entry->mId = aId;
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entry->mStream = aStream;
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}
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already_AddRefed<nsIInputStream>
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StreamList::Extract(const nsID& aId)
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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for (uint32_t i = 0; i < mList.Length(); ++i) {
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if (mList[i].mId == aId) {
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return mList[i].mStream.forget();
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}
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}
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return nullptr;
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}
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void
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StreamList::NoteClosed(const nsID& aId)
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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for (uint32_t i = 0; i < mList.Length(); ++i) {
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if (mList[i].mId == aId) {
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mList.RemoveElementAt(i);
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mManager->ReleaseBodyId(aId);
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break;
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}
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}
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if (mList.IsEmpty() && mStreamControl) {
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mStreamControl->Shutdown();
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}
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}
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void
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StreamList::NoteClosedAll()
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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for (uint32_t i = 0; i < mList.Length(); ++i) {
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mManager->ReleaseBodyId(mList[i].mId);
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}
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mList.Clear();
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if (mStreamControl) {
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mStreamControl->Shutdown();
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}
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}
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void
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StreamList::Close(const nsID& aId)
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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if (mStreamControl) {
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mStreamControl->Close(aId);
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}
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}
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void
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StreamList::CloseAll()
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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if (mStreamControl) {
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mStreamControl->CloseAll();
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}
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}
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void
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StreamList::Cancel()
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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CloseAll();
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}
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bool
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StreamList::MatchesCacheId(CacheId aCacheId) const
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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return aCacheId == mCacheId;
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}
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StreamList::~StreamList()
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{
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NS_ASSERT_OWNINGTHREAD(StreamList);
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MOZ_ASSERT(!mStreamControl);
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if (mActivated) {
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mManager->RemoveStreamList(this);
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for (uint32_t i = 0; i < mList.Length(); ++i) {
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mManager->ReleaseBodyId(mList[i].mId);
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}
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mManager->ReleaseCacheId(mCacheId);
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}
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mContext->RemoveActivity(this);
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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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