gecko/netwerk/protocol/ftp/FTPChannelParent.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et tw=80 : */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Alon Zakai <azakai@mozilla.com>
* Josh Matthews <josh@joshmatthews.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mozilla/net/FTPChannelParent.h"
#include "nsFTPChannel.h"
#include "nsNetUtil.h"
#include "nsISupportsPriority.h"
#include "nsIRedirectChannelRegistrar.h"
#include "nsFtpProtocolHandler.h"
#undef LOG
#define LOG(args) PR_LOG(gFTPLog, PR_LOG_DEBUG, args)
namespace mozilla {
namespace net {
FTPChannelParent::FTPChannelParent()
: mIPCClosed(false)
{
nsIProtocolHandler* handler;
CallGetService(NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "ftp", &handler);
NS_ASSERTION(handler, "no ftp handler");
}
FTPChannelParent::~FTPChannelParent()
{
gFtpHandler->Release();
}
void
FTPChannelParent::ActorDestroy(ActorDestroyReason why)
{
// We may still have refcount>0 if the channel hasn't called OnStopRequest
// yet, but we must not send any more msgs to child.
mIPCClosed = true;
}
//-----------------------------------------------------------------------------
// FTPChannelParent::nsISupports
//-----------------------------------------------------------------------------
NS_IMPL_ISUPPORTS4(FTPChannelParent,
nsIStreamListener,
nsIParentChannel,
nsIInterfaceRequestor,
nsIRequestObserver);
//-----------------------------------------------------------------------------
// FTPChannelParent::PFTPChannelParent
//-----------------------------------------------------------------------------
bool
FTPChannelParent::RecvAsyncOpen(const IPC::URI& aURI,
const PRUint64& aStartPos,
const nsCString& aEntityID,
const IPC::InputStream& aUploadStream)
{
nsCOMPtr<nsIURI> uri(aURI);
#ifdef DEBUG
nsCString uriSpec;
uri->GetSpec(uriSpec);
LOG(("FTPChannelParent RecvAsyncOpen [this=%x uri=%s]\n",
this, uriSpec.get()));
#endif
nsresult rv;
nsCOMPtr<nsIIOService> ios(do_GetIOService(&rv));
if (NS_FAILED(rv))
return SendCancelEarly(rv);
nsCOMPtr<nsIChannel> chan;
rv = NS_NewChannel(getter_AddRefs(chan), uri, ios);
if (NS_FAILED(rv))
return SendCancelEarly(rv);
mChannel = static_cast<nsFtpChannel*>(chan.get());
nsCOMPtr<nsIInputStream> upload(aUploadStream);
if (upload) {
// contentType and contentLength are ignored
rv = mChannel->SetUploadStream(upload, EmptyCString(), 0);
if (NS_FAILED(rv))
return SendCancelEarly(rv);
}
rv = mChannel->ResumeAt(aStartPos, aEntityID);
if (NS_FAILED(rv))
return SendCancelEarly(rv);
rv = mChannel->AsyncOpen(this, nsnull);
if (NS_FAILED(rv))
return SendCancelEarly(rv);
return true;
}
bool
FTPChannelParent::RecvConnectChannel(const PRUint32& channelId)
{
nsresult rv;
LOG(("Looking for a registered channel [this=%p, id=%d]", this, channelId));
nsCOMPtr<nsIChannel> channel;
rv = NS_LinkRedirectChannels(channelId, this, getter_AddRefs(channel));
if (NS_SUCCEEDED(rv))
mChannel = static_cast<nsFtpChannel*>(channel.get());
LOG((" found channel %p, rv=%08x", mChannel.get(), rv));
return true;
}
bool
FTPChannelParent::RecvCancel(const nsresult& status)
{
mChannel->Cancel(status);
return true;
}
bool
FTPChannelParent::RecvSuspend()
{
mChannel->Suspend();
return true;
}
bool
FTPChannelParent::RecvResume()
{
mChannel->Resume();
return true;
}
//-----------------------------------------------------------------------------
// FTPChannelParent::nsIRequestObserver
//-----------------------------------------------------------------------------
NS_IMETHODIMP
FTPChannelParent::OnStartRequest(nsIRequest* aRequest, nsISupports* aContext)
{
LOG(("FTPChannelParent::OnStartRequest [this=%x]\n", this));
nsFtpChannel* chan = static_cast<nsFtpChannel*>(aRequest);
PRInt32 aContentLength;
chan->GetContentLength(&aContentLength);
nsCString contentType;
chan->GetContentType(contentType);
nsCString entityID;
chan->GetEntityID(entityID);
PRTime lastModified;
chan->GetLastModifiedTime(&lastModified);
if (mIPCClosed || !SendOnStartRequest(aContentLength, contentType,
lastModified, entityID, chan->URI())) {
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
NS_IMETHODIMP
FTPChannelParent::OnStopRequest(nsIRequest* aRequest,
nsISupports* aContext,
nsresult aStatusCode)
{
LOG(("FTPChannelParent::OnStopRequest: [this=%x status=%ul]\n",
this, aStatusCode));
if (mIPCClosed || !SendOnStopRequest(aStatusCode)) {
return NS_ERROR_UNEXPECTED;
}
return NS_OK;
}
//-----------------------------------------------------------------------------
// FTPChannelParent::nsIStreamListener
//-----------------------------------------------------------------------------
NS_IMETHODIMP
FTPChannelParent::OnDataAvailable(nsIRequest* aRequest,
nsISupports* aContext,
nsIInputStream* aInputStream,
PRUint32 aOffset,
PRUint32 aCount)
{
LOG(("FTPChannelParent::OnDataAvailable [this=%x]\n", this));
nsCString data;
nsresult rv = NS_ReadInputStreamToString(aInputStream, data, aCount);
if (NS_FAILED(rv))
return rv;
if (mIPCClosed || !SendOnDataAvailable(data, aOffset, aCount))
return NS_ERROR_UNEXPECTED;
return NS_OK;
}
//-----------------------------------------------------------------------------
// FTPChannelParent::nsIParentChannel
//-----------------------------------------------------------------------------
NS_IMETHODIMP
FTPChannelParent::Delete()
{
if (mIPCClosed || !SendDeleteSelf())
return NS_ERROR_UNEXPECTED;
return NS_OK;
}
//-----------------------------------------------------------------------------
// FTPChannelParent::nsIInterfaceRequestor
//-----------------------------------------------------------------------------
NS_IMETHODIMP
FTPChannelParent::GetInterface(const nsIID& uuid, void** result)
{
return QueryInterface(uuid, result);
}
} // namespace net
} // namespace mozilla