mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
558 lines
15 KiB
C++
558 lines
15 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et 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/net/NeckoChild.h"
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#include "mozilla/net/FTPChannelChild.h"
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#include "mozilla/dom/TabChild.h"
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#include "nsFtpProtocolHandler.h"
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#include "nsITabChild.h"
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#include "nsStringStream.h"
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#include "nsNetUtil.h"
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#include "base/compiler_specific.h"
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#include "mozilla/ipc/InputStreamUtils.h"
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#include "mozilla/ipc/URIUtils.h"
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#include "SerializedLoadContext.h"
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using namespace mozilla::ipc;
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#undef LOG
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#define LOG(args) PR_LOG(gFTPLog, PR_LOG_DEBUG, args)
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namespace mozilla {
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namespace net {
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FTPChannelChild::FTPChannelChild(nsIURI* uri)
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: mIPCOpen(false)
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, mCanceled(false)
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, mSuspendCount(0)
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, mIsPending(false)
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, mWasOpened(false)
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, mLastModifiedTime(0)
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, mStartPos(0)
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{
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LOG(("Creating FTPChannelChild @%x\n", this));
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// grab a reference to the handler to ensure that it doesn't go away.
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NS_ADDREF(gFtpHandler);
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SetURI(uri);
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mEventQ = new ChannelEventQueue(static_cast<nsIFTPChannel*>(this));
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}
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FTPChannelChild::~FTPChannelChild()
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{
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LOG(("Destroying FTPChannelChild @%x\n", this));
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gFtpHandler->Release();
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}
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void
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FTPChannelChild::AddIPDLReference()
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{
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NS_ABORT_IF_FALSE(!mIPCOpen, "Attempt to retain more than one IPDL reference");
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mIPCOpen = true;
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AddRef();
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}
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void
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FTPChannelChild::ReleaseIPDLReference()
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{
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NS_ABORT_IF_FALSE(mIPCOpen, "Attempt to release nonexistent IPDL reference");
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mIPCOpen = false;
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Release();
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}
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//-----------------------------------------------------------------------------
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// FTPChannelChild::nsISupports
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//-----------------------------------------------------------------------------
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NS_IMPL_ISUPPORTS_INHERITED5(FTPChannelChild,
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nsBaseChannel,
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nsIFTPChannel,
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nsIUploadChannel,
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nsIResumableChannel,
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nsIProxiedChannel,
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nsIChildChannel)
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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FTPChannelChild::GetLastModifiedTime(PRTime* lastModifiedTime)
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{
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*lastModifiedTime = mLastModifiedTime;
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return NS_OK;
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}
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NS_IMETHODIMP
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FTPChannelChild::SetLastModifiedTime(PRTime lastModifiedTime)
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{
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return NS_ERROR_NOT_AVAILABLE;
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}
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NS_IMETHODIMP
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FTPChannelChild::ResumeAt(uint64_t aStartPos, const nsACString& aEntityID)
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{
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NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS);
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mStartPos = aStartPos;
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mEntityID = aEntityID;
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return NS_OK;
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}
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NS_IMETHODIMP
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FTPChannelChild::GetEntityID(nsACString& entityID)
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{
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entityID = mEntityID;
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return NS_OK;
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}
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NS_IMETHODIMP
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FTPChannelChild::GetProxyInfo(nsIProxyInfo** aProxyInfo)
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{
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DROP_DEAD();
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}
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NS_IMETHODIMP
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FTPChannelChild::SetUploadStream(nsIInputStream* stream,
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const nsACString& contentType,
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int64_t contentLength)
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{
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NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS);
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mUploadStream = stream;
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// NOTE: contentLength is intentionally ignored here.
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return NS_OK;
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}
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NS_IMETHODIMP
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FTPChannelChild::GetUploadStream(nsIInputStream** stream)
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{
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NS_ENSURE_ARG_POINTER(stream);
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*stream = mUploadStream;
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NS_IF_ADDREF(*stream);
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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FTPChannelChild::AsyncOpen(::nsIStreamListener* listener, nsISupports* aContext)
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{
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LOG(("FTPChannelChild::AsyncOpen [this=%p]\n", this));
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NS_ENSURE_TRUE((gNeckoChild), NS_ERROR_FAILURE);
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NS_ENSURE_ARG_POINTER(listener);
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NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS);
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NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_ALREADY_OPENED);
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// Port checked in parent, but duplicate here so we can return with error
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// immediately, as we've done since before e10s.
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nsresult rv;
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rv = NS_CheckPortSafety(nsBaseChannel::URI()); // Need to disambiguate,
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// because in the child ipdl,
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// a typedef URI is defined...
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if (NS_FAILED(rv))
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return rv;
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mozilla::dom::TabChild* tabChild = nullptr;
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nsCOMPtr<nsITabChild> iTabChild;
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NS_QueryNotificationCallbacks(mCallbacks, mLoadGroup,
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NS_GET_IID(nsITabChild),
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getter_AddRefs(iTabChild));
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GetCallback(iTabChild);
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if (iTabChild) {
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tabChild = static_cast<mozilla::dom::TabChild*>(iTabChild.get());
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}
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if (MissingRequiredTabChild(tabChild, "ftp")) {
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return NS_ERROR_ILLEGAL_VALUE;
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}
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mListener = listener;
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mListenerContext = aContext;
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// add ourselves to the load group.
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if (mLoadGroup)
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mLoadGroup->AddRequest(this, nullptr);
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OptionalInputStreamParams uploadStream;
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SerializeInputStream(mUploadStream, uploadStream);
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FTPChannelOpenArgs openArgs;
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SerializeURI(nsBaseChannel::URI(), openArgs.uri());
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openArgs.startPos() = mStartPos;
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openArgs.entityID() = mEntityID;
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openArgs.uploadStream() = uploadStream;
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gNeckoChild->
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SendPFTPChannelConstructor(this, tabChild, IPC::SerializedLoadContext(this),
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openArgs);
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// The socket transport layer in the chrome process now has a logical ref to
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// us until OnStopRequest is called.
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AddIPDLReference();
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mIsPending = true;
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mWasOpened = true;
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return rv;
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}
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NS_IMETHODIMP
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FTPChannelChild::IsPending(bool* result)
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{
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*result = mIsPending;
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return NS_OK;
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}
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nsresult
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FTPChannelChild::OpenContentStream(bool async,
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nsIInputStream** stream,
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nsIChannel** channel)
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{
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NS_RUNTIMEABORT("FTPChannel*Child* should never have OpenContentStream called!");
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// FTPChannelChild::PFTPChannelChild
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//-----------------------------------------------------------------------------
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class FTPStartRequestEvent : public ChannelEvent
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{
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public:
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FTPStartRequestEvent(FTPChannelChild* aChild, const int64_t& aContentLength,
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const nsCString& aContentType, const PRTime& aLastModified,
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const nsCString& aEntityID, const URIParams& aURI)
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: mChild(aChild), mContentLength(aContentLength), mContentType(aContentType),
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mLastModified(aLastModified), mEntityID(aEntityID), mURI(aURI) {}
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void Run() { mChild->DoOnStartRequest(mContentLength, mContentType,
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mLastModified, mEntityID, mURI); }
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private:
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FTPChannelChild* mChild;
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int64_t mContentLength;
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nsCString mContentType;
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PRTime mLastModified;
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nsCString mEntityID;
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URIParams mURI;
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};
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bool
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FTPChannelChild::RecvOnStartRequest(const int64_t& aContentLength,
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const nsCString& aContentType,
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const PRTime& aLastModified,
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const nsCString& aEntityID,
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const URIParams& aURI)
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{
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if (mEventQ->ShouldEnqueue()) {
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mEventQ->Enqueue(new FTPStartRequestEvent(this, aContentLength, aContentType,
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aLastModified, aEntityID, aURI));
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} else {
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DoOnStartRequest(aContentLength, aContentType, aLastModified,
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aEntityID, aURI);
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}
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return true;
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}
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void
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FTPChannelChild::DoOnStartRequest(const int64_t& aContentLength,
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const nsCString& aContentType,
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const PRTime& aLastModified,
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const nsCString& aEntityID,
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const URIParams& aURI)
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{
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LOG(("FTPChannelChild::RecvOnStartRequest [this=%p]\n", this));
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mContentLength = aContentLength;
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SetContentType(aContentType);
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mLastModifiedTime = aLastModified;
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mEntityID = aEntityID;
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nsCString spec;
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nsCOMPtr<nsIURI> uri = DeserializeURI(aURI);
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uri->GetSpec(spec);
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nsBaseChannel::URI()->SetSpec(spec);
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AutoEventEnqueuer ensureSerialDispatch(mEventQ);
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nsresult rv = mListener->OnStartRequest(this, mListenerContext);
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if (NS_FAILED(rv))
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Cancel(rv);
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}
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class FTPDataAvailableEvent : public ChannelEvent
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{
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public:
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FTPDataAvailableEvent(FTPChannelChild* aChild, const nsCString& aData,
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const uint64_t& aOffset, const uint32_t& aCount)
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: mChild(aChild), mData(aData), mOffset(aOffset), mCount(aCount) {}
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void Run() { mChild->DoOnDataAvailable(mData, mOffset, mCount); }
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private:
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FTPChannelChild* mChild;
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nsCString mData;
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uint64_t mOffset;
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uint32_t mCount;
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};
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bool
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FTPChannelChild::RecvOnDataAvailable(const nsCString& data,
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const uint64_t& offset,
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const uint32_t& count)
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{
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if (mEventQ->ShouldEnqueue()) {
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mEventQ->Enqueue(new FTPDataAvailableEvent(this, data, offset, count));
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} else {
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DoOnDataAvailable(data, offset, count);
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}
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return true;
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}
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void
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FTPChannelChild::DoOnDataAvailable(const nsCString& data,
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const uint64_t& offset,
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const uint32_t& count)
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{
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LOG(("FTPChannelChild::RecvOnDataAvailable [this=%p]\n", this));
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if (mCanceled)
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return;
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// NOTE: the OnDataAvailable contract requires the client to read all the data
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// in the inputstream. This code relies on that ('data' will go away after
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// this function). Apparently the previous, non-e10s behavior was to actually
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// support only reading part of the data, allowing later calls to read the
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// rest.
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nsCOMPtr<nsIInputStream> stringStream;
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nsresult rv = NS_NewByteInputStream(getter_AddRefs(stringStream),
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data.get(),
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count,
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NS_ASSIGNMENT_DEPEND);
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if (NS_FAILED(rv)) {
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Cancel(rv);
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return;
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}
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AutoEventEnqueuer ensureSerialDispatch(mEventQ);
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rv = mListener->OnDataAvailable(this, mListenerContext,
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stringStream, offset, count);
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if (NS_FAILED(rv))
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Cancel(rv);
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stringStream->Close();
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}
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class FTPStopRequestEvent : public ChannelEvent
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{
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public:
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FTPStopRequestEvent(FTPChannelChild* aChild, const nsresult& aStatusCode)
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: mChild(aChild), mStatusCode(aStatusCode) {}
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void Run() { mChild->DoOnStopRequest(mStatusCode); }
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private:
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FTPChannelChild* mChild;
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nsresult mStatusCode;
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};
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bool
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FTPChannelChild::RecvOnStopRequest(const nsresult& statusCode)
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{
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if (mEventQ->ShouldEnqueue()) {
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mEventQ->Enqueue(new FTPStopRequestEvent(this, statusCode));
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} else {
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DoOnStopRequest(statusCode);
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}
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return true;
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}
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void
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FTPChannelChild::DoOnStopRequest(const nsresult& statusCode)
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{
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LOG(("FTPChannelChild::RecvOnStopRequest [this=%p status=%u]\n",
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this, statusCode));
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if (!mCanceled)
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mStatus = statusCode;
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{ // Ensure that all queued ipdl events are dispatched before
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// we initiate protocol deletion below.
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mIsPending = false;
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AutoEventEnqueuer ensureSerialDispatch(mEventQ);
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(void)mListener->OnStopRequest(this, mListenerContext, statusCode);
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mListener = nullptr;
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mListenerContext = nullptr;
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if (mLoadGroup)
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mLoadGroup->RemoveRequest(this, nullptr, statusCode);
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}
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// This calls NeckoChild::DeallocPFTPChannelChild(), which deletes |this| if IPDL
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// holds the last reference. Don't rely on |this| existing after here!
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Send__delete__(this);
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}
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class FTPFailedAsyncOpenEvent : public ChannelEvent
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{
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public:
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FTPFailedAsyncOpenEvent(FTPChannelChild* aChild, nsresult aStatus)
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: mChild(aChild), mStatus(aStatus) {}
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void Run() { mChild->DoFailedAsyncOpen(mStatus); }
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private:
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FTPChannelChild* mChild;
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nsresult mStatus;
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};
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bool
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FTPChannelChild::RecvFailedAsyncOpen(const nsresult& statusCode)
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{
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if (mEventQ->ShouldEnqueue()) {
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mEventQ->Enqueue(new FTPFailedAsyncOpenEvent(this, statusCode));
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} else {
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DoFailedAsyncOpen(statusCode);
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}
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return true;
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}
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void
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FTPChannelChild::DoFailedAsyncOpen(const nsresult& statusCode)
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{
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mStatus = statusCode;
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if (mLoadGroup)
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mLoadGroup->RemoveRequest(this, nullptr, statusCode);
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if (mListener) {
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mListener->OnStartRequest(this, mListenerContext);
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mIsPending = false;
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mListener->OnStopRequest(this, mListenerContext, statusCode);
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} else {
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mIsPending = false;
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}
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mListener = nullptr;
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mListenerContext = nullptr;
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if (mIPCOpen)
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Send__delete__(this);
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}
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class FTPDeleteSelfEvent : public ChannelEvent
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{
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public:
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FTPDeleteSelfEvent(FTPChannelChild* aChild)
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: mChild(aChild) {}
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void Run() { mChild->DoDeleteSelf(); }
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private:
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FTPChannelChild* mChild;
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};
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bool
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FTPChannelChild::RecvDeleteSelf()
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{
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if (mEventQ->ShouldEnqueue()) {
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mEventQ->Enqueue(new FTPDeleteSelfEvent(this));
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} else {
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DoDeleteSelf();
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}
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return true;
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}
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void
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FTPChannelChild::DoDeleteSelf()
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{
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if (mIPCOpen)
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Send__delete__(this);
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}
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NS_IMETHODIMP
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FTPChannelChild::Cancel(nsresult status)
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{
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if (mCanceled)
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return NS_OK;
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mCanceled = true;
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mStatus = status;
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if (mIPCOpen)
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SendCancel(status);
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return NS_OK;
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}
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NS_IMETHODIMP
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FTPChannelChild::Suspend()
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{
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NS_ENSURE_TRUE(mIPCOpen, NS_ERROR_NOT_AVAILABLE);
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if (!mSuspendCount++) {
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SendSuspend();
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}
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mEventQ->Suspend();
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return NS_OK;
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}
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NS_IMETHODIMP
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FTPChannelChild::Resume()
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{
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NS_ENSURE_TRUE(mIPCOpen, NS_ERROR_NOT_AVAILABLE);
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if (!--mSuspendCount) {
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SendResume();
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}
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mEventQ->Resume();
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return NS_OK;
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}
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//-----------------------------------------------------------------------------
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// FTPChannelChild::nsIChildChannel
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//-----------------------------------------------------------------------------
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NS_IMETHODIMP
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FTPChannelChild::ConnectParent(uint32_t id)
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{
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mozilla::dom::TabChild* tabChild = nullptr;
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nsCOMPtr<nsITabChild> iTabChild;
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NS_QueryNotificationCallbacks(mCallbacks, mLoadGroup,
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NS_GET_IID(nsITabChild),
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getter_AddRefs(iTabChild));
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GetCallback(iTabChild);
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if (iTabChild) {
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tabChild = static_cast<mozilla::dom::TabChild*>(iTabChild.get());
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}
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// The socket transport in the chrome process now holds a logical ref to us
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// until OnStopRequest, or we do a redirect, or we hit an IPDL error.
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AddIPDLReference();
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FTPChannelConnectArgs connectArgs(id);
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if (!gNeckoChild->SendPFTPChannelConstructor(this, tabChild,
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IPC::SerializedLoadContext(this),
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connectArgs)) {
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return NS_ERROR_FAILURE;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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FTPChannelChild::CompleteRedirectSetup(nsIStreamListener *listener,
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nsISupports *aContext)
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{
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LOG(("FTPChannelChild::CompleteRedirectSetup [this=%p]\n", this));
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NS_ENSURE_TRUE(!mIsPending, NS_ERROR_IN_PROGRESS);
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NS_ENSURE_TRUE(!mWasOpened, NS_ERROR_ALREADY_OPENED);
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mIsPending = true;
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mWasOpened = true;
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mListener = listener;
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mListenerContext = aContext;
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// add ourselves to the load group.
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if (mLoadGroup)
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mLoadGroup->AddRequest(this, nullptr);
|
|
|
|
// We already have an open IPDL connection to the parent. If on-modify-request
|
|
// listeners or load group observers canceled us, let the parent handle it
|
|
// and send it back to us naturally.
|
|
return NS_OK;
|
|
}
|
|
|
|
} // namespace net
|
|
} // namespace mozilla
|
|
|