mirror of
https://github.com/mozilla/gecko-dev.git
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290 lines
6.8 KiB
C++
290 lines
6.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsRepository.h"
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#include "nsNetStream.h"
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#include "nsSocketTransport.h"
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#include "nsINetService.h"
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#include "nsINetlibURL.h"
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#include "nsIServiceManager.h"
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#include "nsXPComCIID.h"
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#include "netutils.h"
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#include "mktcp.h"
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#include "sockstub.h"
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#include "plstr.h"
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extern nsIStreamListener* ns_NewStreamListenerProxy(nsIStreamListener* aListener, PLEventQueue* aEventQ);
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static NS_DEFINE_IID(kIOutputStreamIID, NS_IOUTPUTSTREAM_IID);
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static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
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static NS_DEFINE_IID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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static NS_DEFINE_IID(kIEventQueueServiceIID, NS_IEVENTQUEUESERVICE_IID);
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////////////////////////////////////////////////////////////////////////////
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// from nsISupports
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static NS_DEFINE_IID(kITransportIID, NS_ITRANSPORT_IID);
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NS_IMPL_ADDREF(nsSocketTransport)
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NS_IMPL_RELEASE(nsSocketTransport)
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NS_IMPL_QUERY_INTERFACE(nsSocketTransport, kITransportIID);
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////////////////////////////////////////////////////////////////////////////
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// from nsITransport:
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NS_METHOD
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nsSocketTransport::GetURL(nsIURL* *result)
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{
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*result = m_url;
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return NS_OK;
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}
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static NS_DEFINE_IID(kINetlibURLIID, NS_INETLIBURL_IID);
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NS_METHOD
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nsSocketTransport::LoadURL(nsIURL *pURL)
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{
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nsresult rv = NS_OK;
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if (nsnull == pURL) {
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return NS_ERROR_NULL_POINTER;
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}
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if (nsnull == m_inputStreamConsumer) {
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return NS_ERROR_NULL_POINTER;
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}
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NS_IF_ADDREF(pURL);
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m_url = pURL;
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pURL->SetHostPort(m_port);
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nsresult ns_result = NS_OpenURL(pURL, m_inputStreamConsumer);
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if (NS_OK != ns_result) {
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return ns_result;
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}
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return NS_OK;
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}
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NS_METHOD
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nsSocketTransport::SetInputStreamConsumer(nsIStreamListener* aListener)
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{
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// generates the thread safe proxy
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m_inputStreamConsumer = ns_NewStreamListenerProxy(aListener, m_evQueue);
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return NS_OK;
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}
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NS_METHOD
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nsSocketTransport::GetOutputStreamConsumer(nsIStreamListener ** aConsumer)
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{
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// assuming the transport layer is a nsIStreamListener
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*aConsumer = ns_NewStreamListenerProxy(this, m_evQueue);
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return NS_OK;
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}
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NS_METHOD
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nsSocketTransport::GetOutputStream(nsIOutputStream ** aOutputStream)
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{
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if (aOutputStream) {
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// a buffered stream supports the nsIOutputStream interface
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nsBufferedStream * stream = new nsBufferedStream();
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if (stream) // return the buffer in the format they want
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stream->QueryInterface(kIOutputStreamIID, (void **) aOutputStream);
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else
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*aOutputStream = NULL;
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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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nsSocketTransport::OnStartBinding(nsIURL* pURL, const char *aContentType)
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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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nsSocketTransport::OnProgress(nsIURL* pURL,
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PRUint32 aProgress,
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PRUint32 aProgressMax)
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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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nsSocketTransport::OnStatus(nsIURL* pURL, const PRUnichar* aMsg)
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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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nsSocketTransport::OnStopBinding(nsIURL* pURL,
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nsresult aStatus,
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const PRUnichar* aMsg)
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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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nsSocketTransport::GetBindInfo(nsIURL* pURL,
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nsStreamBindingInfo* aInfo)
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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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nsSocketTransport::OnDataAvailable(nsIURL* pURL,
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nsIInputStream *aIStream,
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PRUint32 aLength)
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{
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nsresult rv = NS_OK;
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PRUint32 len, lenRead;
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URL_Struct* URL_s;
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m_ready_fd = NULL;
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/* XXX: HACK The following is a hack.
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* Get the URL_s structure and pass it to sockstub protocol code to get the
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* socket FD so that we could write the data back.
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*/
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rv = GetURLInfo(pURL, &URL_s);
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if (NS_SUCCEEDED(rv)) {
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if (nsnull != URL_s) {
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/* Find the socket given URL_s pointer */
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m_ready_fd = NET_GetSocketToHashTable(URL_s);
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}
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} else {
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return rv;
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}
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if (m_ready_fd == NULL) {
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return NS_ERROR_NULL_POINTER;
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}
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aIStream->GetLength(&len);
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memset(m_buffer, '\0', NET_SOCKSTUB_BUF_SIZE);
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while (len > 0) {
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if (len < NET_SOCKSTUB_BUF_SIZE) {
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lenRead = len;
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}
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else {
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lenRead = NET_SOCKSTUB_BUF_SIZE;
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}
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rv = aIStream->Read(m_buffer, 0, lenRead, &lenRead);
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if (NS_OK != rv) {
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return rv;
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}
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/* XXX: We should check if the write has succeeded or not */
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(int) NET_BlockingWrite(m_ready_fd, m_buffer, lenRead);
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len -= lenRead;
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}
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return rv;
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}
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////////////////////////////////////////////////////////////////////////////
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// from nsSocketTransport:
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nsSocketTransport::nsSocketTransport(PRUint32 aPortToUse, const char * aHostName)
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{
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NS_INIT_REFCNT();
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// remember the port and host name
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NS_PRECONDITION(aPortToUse > 0 && aHostName, "Creating a socket transport with an invalid port or host name.");
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m_port = aPortToUse;
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if (aHostName)
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m_hostName = PL_strdup(aHostName);
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else
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m_hostName = PL_strdup("");
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m_inputStream = NULL;
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m_inputStreamConsumer = NULL;
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m_url = NULL;
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m_outStream = NULL;
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m_outStreamSize = 0;
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/*
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* Cache the EventQueueService...
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*/
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// XXX: What if this fails?
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mEventQService = nsnull;
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m_evQueue = nsnull;
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nsresult rv = nsServiceManager::GetService(kEventQueueServiceCID,
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kIEventQueueServiceIID,
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(nsISupports **)&mEventQService);
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if (nsnull != mEventQService) {
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mEventQService->GetThreadEventQueue(PR_GetCurrentThread(), &m_evQueue);
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}
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}
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nsSocketTransport::~nsSocketTransport()
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{
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nsresult rv = NS_OK;
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URL_Struct* URL_s;
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/* XXX: HACK The following is a hack.
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* Get the URL_s structure and pass it to sockstub protocol code to delete it
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*/
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rv = GetURLInfo(m_url, &URL_s);
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if (NS_SUCCEEDED(rv)) {
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if (nsnull != URL_s) {
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/* Release the socket given URL_s pointer */
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int32 res = NET_FreeSocket(URL_s);
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}
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}
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if (m_hostName)
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PR_Free(m_hostName);
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NS_IF_RELEASE(m_outStream);
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NS_IF_RELEASE(m_url);
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}
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NS_IMETHODIMP
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nsSocketTransport::GetURLInfo(nsIURL* pURL, URL_Struct_ **aResult)
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{
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nsresult rv = NS_OK;
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nsINetlibURL *pNetlibURL = NULL;
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NS_PRECONDITION(aResult != nsnull, "invalid input argument");
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if (aResult)
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{
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*aResult = nsnull;
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if (pURL)
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rv = pURL->QueryInterface(kINetlibURLIID, (void**)&pNetlibURL);
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if (NS_SUCCEEDED(rv) && pNetlibURL) {
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pNetlibURL->GetURLInfo(aResult);
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NS_RELEASE(pNetlibURL);
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}
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}
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return rv;
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}
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