648 lines
17 KiB
C++
648 lines
17 KiB
C++
/* -*- Mode: C++; tab-width: 2; 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsInputStreamChannel.h"
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#include "nsCOMPtr.h"
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#include "nsIIOService.h"
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#include "nsIServiceManager.h"
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#include "nsIMIMEService.h"
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#include "nsIFileTransportService.h"
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#include "netCore.h"
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#include "nsXPIDLString.h"
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static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
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static NS_DEFINE_CID(kMIMEServiceCID, NS_MIMESERVICE_CID);
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static NS_DEFINE_CID(kFileTransportServiceCID, NS_FILETRANSPORTSERVICE_CID);
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////////////////////////////////////////////////////////////////////////////////
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// nsInputStreamIO methods:
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NS_IMPL_THREADSAFE_ISUPPORTS2(nsInputStreamIO,
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nsIInputStreamIO,
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nsIStreamIO)
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nsInputStreamIO::nsInputStreamIO()
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: mName(nsnull), mContentType(nsnull), mContentLength(-1), mStatus(NS_OK)
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{
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NS_INIT_REFCNT();
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}
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nsInputStreamIO::~nsInputStreamIO()
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{
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(void)Close(NS_OK);
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if (mName) nsCRT::free(mName);
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if (mContentType) nsCRT::free(mContentType);
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}
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NS_METHOD
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nsInputStreamIO::Create(nsISupports *aOuter, REFNSIID aIID, void **aResult)
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{
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if (aOuter)
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return NS_ERROR_NO_AGGREGATION;
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nsInputStreamIO* io = new nsInputStreamIO();
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if (io == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(io);
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nsresult rv = io->QueryInterface(aIID, aResult);
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NS_RELEASE(io);
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return rv;
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}
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NS_IMETHODIMP
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nsInputStreamIO::Init(const char* name, nsIInputStream* input,
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const char* contentType, PRInt32 contentLength)
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{
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mName = nsCRT::strdup(name);
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if (mName == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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mInputStream = input;
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if (contentType) {
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mContentType = nsCRT::strdup(contentType);
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const char *constContentType = mContentType;
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if (!constContentType) return NS_ERROR_OUT_OF_MEMORY;
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char* semicolon = PL_strchr(constContentType, ';');
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CBufDescriptor cbd(constContentType,
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PR_TRUE,
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semicolon ? (semicolon-constContentType) + 1: PL_strlen(constContentType), // capacity
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semicolon ? (semicolon-constContentType) : PL_strlen(constContentType));
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nsCAutoString(cbd).ToLowerCase();
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}
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mContentLength = contentLength;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInputStreamIO::Open(char **contentType, PRInt32 *contentLength)
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{
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*contentType = nsCRT::strdup(mContentType);
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if (*contentType == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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*contentLength = mContentLength;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInputStreamIO::Close(nsresult status)
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{
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mStatus = status;
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if (mInputStream)
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return mInputStream->Close();
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else
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInputStreamIO::GetInputStream(nsIInputStream * *aInputStream)
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{
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*aInputStream = mInputStream;
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NS_ADDREF(*aInputStream);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsInputStreamIO::GetOutputStream(nsIOutputStream * *aOutputStream)
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{
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// this method should never be called
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NS_NOTREACHED("nsInputStreamIO::GetOutputStream");
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return NS_ERROR_FAILURE;
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}
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NS_IMETHODIMP
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nsInputStreamIO::GetName(char* *aName)
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{
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*aName = nsCRT::strdup(mName);
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return *aName ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsStreamIOChannel methods:
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nsStreamIOChannel::nsStreamIOChannel()
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: mContentType(nsnull), mContentLength(-1),
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mBufferSegmentSize(0), mBufferMaxSize(0),
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mLoadAttributes(LOAD_NORMAL), mStatus(NS_OK)
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{
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NS_INIT_REFCNT();
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}
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nsStreamIOChannel::~nsStreamIOChannel()
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{
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if (mContentType) nsCRT::free(mContentType);
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}
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NS_METHOD
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nsStreamIOChannel::Create(nsISupports *aOuter, REFNSIID aIID,
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void **aResult)
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{
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if (aOuter)
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return NS_ERROR_NO_AGGREGATION;
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nsStreamIOChannel* channel = new nsStreamIOChannel();
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if (channel == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(channel);
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nsresult rv = channel->QueryInterface(aIID, aResult);
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NS_RELEASE(channel);
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return rv;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::Init(nsIURI* uri, nsIStreamIO* io)
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{
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mURI = uri;
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mStreamIO = io;
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return NS_OK;
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}
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NS_IMPL_THREADSAFE_ISUPPORTS5(nsStreamIOChannel,
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nsIStreamIOChannel,
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nsIChannel,
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nsIRequest,
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nsIStreamObserver,
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nsIStreamListener);
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////////////////////////////////////////////////////////////////////////////////
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// nsIRequest methods:
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NS_IMETHODIMP
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nsStreamIOChannel::GetName(PRUnichar* *result)
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{
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nsresult rv;
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nsXPIDLCString urlStr;
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rv = mURI->GetSpec(getter_Copies(urlStr));
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if (NS_FAILED(rv)) return rv;
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nsString name;
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name.AppendWithConversion(urlStr);
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*result = name.ToNewUnicode();
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return *result ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::IsPending(PRBool *result)
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{
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if (mFileTransport)
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return mFileTransport->IsPending(result);
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*result = PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::GetStatus(nsresult *status)
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{
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*status = mStatus;
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// if we don't have a status error of our own to report
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// then we should propogate the status error of the underlying
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// file transport (if we have one)
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if (NS_SUCCEEDED(mStatus) && mFileTransport)
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mFileTransport->GetStatus(status);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::Cancel(nsresult status)
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{
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NS_ASSERTION(NS_FAILED(status), "shouldn't cancel with a success code");
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mStatus = status;
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if (mFileTransport)
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return mFileTransport->Cancel(status);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::Suspend(void)
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{
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if (mFileTransport)
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return mFileTransport->Suspend();
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::Resume(void)
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{
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if (mFileTransport)
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return mFileTransport->Resume();
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return NS_OK;
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIChannel methods:
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NS_IMETHODIMP
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nsStreamIOChannel::GetOriginalURI(nsIURI* *aURI)
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{
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*aURI = mOriginalURI ? mOriginalURI : mURI;
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NS_IF_ADDREF(*aURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::SetOriginalURI(nsIURI* aURI)
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{
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mOriginalURI = aURI;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::GetURI(nsIURI* *aURI)
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{
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*aURI = mURI;
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NS_IF_ADDREF(*aURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::SetURI(nsIURI* aURI)
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{
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mURI = aURI;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::OpenInputStream(nsIInputStream **result)
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{
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return mStreamIO->GetInputStream(result);
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}
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NS_IMETHODIMP
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nsStreamIOChannel::OpenOutputStream(nsIOutputStream **result)
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{
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return mStreamIO->GetOutputStream(result);
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}
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NS_IMETHODIMP
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nsStreamIOChannel::AsyncRead(nsIStreamListener *listener, nsISupports *ctxt)
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{
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nsresult rv;
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NS_ASSERTION(listener, "no listener");
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SetListener(listener);
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if (mLoadGroup) {
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nsCOMPtr<nsILoadGroupListenerFactory> factory;
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//
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// Create a load group "proxy" listener...
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//
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rv = mLoadGroup->GetGroupListenerFactory(getter_AddRefs(factory));
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if (factory) {
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nsIStreamListener *newListener;
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rv = factory->CreateLoadGroupListener(GetListener(), &newListener);
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if (NS_SUCCEEDED(rv)) {
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mUserObserver = newListener;
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NS_RELEASE(newListener);
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}
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}
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rv = mLoadGroup->AddChannel(this, nsnull);
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if (NS_FAILED(rv)) return rv;
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}
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if (mFileTransport == nsnull) {
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NS_WITH_SERVICE(nsIFileTransportService, fts, kFileTransportServiceCID, &rv);
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if (NS_FAILED(rv)) goto done;
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rv = fts->CreateTransportFromStreamIO(mStreamIO, getter_AddRefs(mFileTransport));
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if (NS_FAILED(rv)) goto done;
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if (mBufferSegmentSize > 0) {
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rv = mFileTransport->SetBufferSegmentSize(mBufferSegmentSize);
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if (NS_FAILED(rv)) goto done;
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}
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if (mBufferMaxSize > 0) {
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rv = mFileTransport->SetBufferMaxSize(mBufferMaxSize);
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if (NS_FAILED(rv)) goto done;
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}
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}
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#if 0
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if (mContentType == nsnull) {
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rv = mStreamIO->Open(&mContentType, &mContentLength);
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if (NS_FAILED(rv)) goto done;
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}
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#endif
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rv = mFileTransport->AsyncRead(this, ctxt);
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done:
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if (NS_FAILED(rv)) {
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nsresult rv2;
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rv2 = mLoadGroup->RemoveChannel(this, ctxt, rv, nsnull);
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NS_ASSERTION(NS_SUCCEEDED(rv2), "RemoveChannel failed");
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// release the transport so that we don't think we're in progress
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mFileTransport = nsnull;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::AsyncWrite(nsIInputStream *fromStream,
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nsIStreamObserver *observer, nsISupports *ctxt)
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{
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nsresult rv;
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NS_ASSERTION(observer, "no observer");
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mUserObserver = observer;
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if (mLoadGroup) {
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nsCOMPtr<nsILoadGroupListenerFactory> factory;
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//
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// Create a load group "proxy" listener...
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//
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rv = mLoadGroup->GetGroupListenerFactory(getter_AddRefs(factory));
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if (factory) {
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nsIStreamListener *newListener;
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rv = factory->CreateLoadGroupListener(GetListener(), &newListener);
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if (NS_SUCCEEDED(rv)) {
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mUserObserver = newListener;
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NS_RELEASE(newListener);
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}
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}
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rv = mLoadGroup->AddChannel(this, nsnull);
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if (NS_FAILED(rv)) return rv;
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}
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if (mFileTransport == nsnull) {
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NS_WITH_SERVICE(nsIFileTransportService, fts, kFileTransportServiceCID, &rv);
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if (NS_FAILED(rv)) goto done;
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rv = fts->CreateTransportFromStreamIO(mStreamIO, getter_AddRefs(mFileTransport));
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if (NS_FAILED(rv)) goto done;
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if (mBufferSegmentSize > 0) {
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rv = mFileTransport->SetBufferSegmentSize(mBufferSegmentSize);
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if (NS_FAILED(rv)) goto done;
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}
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if (mBufferMaxSize > 0) {
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rv = mFileTransport->SetBufferMaxSize(mBufferMaxSize);
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if (NS_FAILED(rv)) goto done;
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}
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}
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#if 0
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if (mContentType == nsnull) {
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rv = mStreamIO->Open(&mContentType, &mContentLength);
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if (NS_FAILED(rv)) goto done;
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}
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#endif
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rv = mFileTransport->AsyncWrite(fromStream, this, ctxt);
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done:
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if (NS_FAILED(rv)) {
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nsresult rv2;
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rv2 = mLoadGroup->RemoveChannel(this, ctxt, rv, nsnull);
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NS_ASSERTION(NS_SUCCEEDED(rv2), "RemoveChannel failed");
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// release the transport so that we don't think we're in progress
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mFileTransport = nsnull;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::GetLoadAttributes(nsLoadFlags *aLoadAttributes)
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{
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*aLoadAttributes = mLoadAttributes;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::SetLoadAttributes(nsLoadFlags aLoadAttributes)
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{
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mLoadAttributes = aLoadAttributes;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::GetContentType(char * *aContentType)
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{
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nsresult rv;
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if (mContentType == nsnull) {
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rv = mStreamIO->Open(&mContentType, &mContentLength);
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if (NS_FAILED(rv)) return rv;
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}
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*aContentType = nsCRT::strdup(mContentType);
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if (*aContentType == nsnull) {
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return NS_ERROR_OUT_OF_MEMORY;
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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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nsStreamIOChannel::SetContentType(const char *aContentType)
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{
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mContentType = nsCRT::strdup(aContentType);
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if (*aContentType == nsnull) {
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return NS_ERROR_OUT_OF_MEMORY;
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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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nsStreamIOChannel::GetContentLength(PRInt32 *aContentLength)
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{
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nsresult rv;
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if (mContentType == nsnull) {
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rv = mStreamIO->Open(&mContentType, &mContentLength);
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if (NS_FAILED(rv)) return rv;
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}
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*aContentLength = mContentLength;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::SetContentLength(PRInt32 aContentLength)
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{
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mContentLength = aContentLength;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::GetTransferOffset(PRUint32 *aTransferOffset)
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{
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NS_NOTREACHED("nsStreamIOChannel::GetTransferOffset");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::SetTransferOffset(PRUint32 aTransferOffset)
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{
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NS_NOTREACHED("nsStreamIOChannel::SetTransferOffset");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::GetTransferCount(PRInt32 *aTransferCount)
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{
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NS_NOTREACHED("nsStreamIOChannel::GetTransferCount");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::SetTransferCount(PRInt32 aTransferCount)
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{
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NS_NOTREACHED("nsStreamIOChannel::SetTransferCount");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::GetBufferSegmentSize(PRUint32 *aBufferSegmentSize)
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{
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*aBufferSegmentSize = mBufferSegmentSize;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::SetBufferSegmentSize(PRUint32 aBufferSegmentSize)
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{
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mBufferSegmentSize = aBufferSegmentSize;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::GetBufferMaxSize(PRUint32 *aBufferMaxSize)
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{
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*aBufferMaxSize = mBufferMaxSize;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::SetBufferMaxSize(PRUint32 aBufferMaxSize)
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{
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mBufferMaxSize = aBufferMaxSize;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::GetLocalFile(nsIFile* *file)
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{
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*file = nsnull;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::GetPipeliningAllowed(PRBool *aPipeliningAllowed)
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{
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*aPipeliningAllowed = PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStreamIOChannel::SetPipeliningAllowed(PRBool aPipeliningAllowed)
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{
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NS_NOTREACHED("nsStreamIOChannel::SetPipeliningAllowed");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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|
NS_IMETHODIMP
|
|
nsStreamIOChannel::GetLoadGroup(nsILoadGroup* *aLoadGroup)
|
|
{
|
|
*aLoadGroup = mLoadGroup.get();
|
|
NS_IF_ADDREF(*aLoadGroup);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsStreamIOChannel::SetLoadGroup(nsILoadGroup* aLoadGroup)
|
|
{
|
|
mLoadGroup = aLoadGroup;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsStreamIOChannel::GetOwner(nsISupports* *aOwner)
|
|
{
|
|
*aOwner = mOwner.get();
|
|
NS_IF_ADDREF(*aOwner);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsStreamIOChannel::SetOwner(nsISupports* aOwner)
|
|
{
|
|
mOwner = aOwner;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsStreamIOChannel::GetNotificationCallbacks(nsIInterfaceRequestor* *aNotificationCallbacks)
|
|
{
|
|
*aNotificationCallbacks = mCallbacks.get();
|
|
NS_IF_ADDREF(*aNotificationCallbacks);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsStreamIOChannel::SetNotificationCallbacks(nsIInterfaceRequestor* aNotificationCallbacks)
|
|
{
|
|
mCallbacks = aNotificationCallbacks;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsStreamIOChannel::GetSecurityInfo(nsISupports * *aSecurityInfo)
|
|
{
|
|
*aSecurityInfo = nsnull;
|
|
return NS_OK;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// nsIStreamListener methods:
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
NS_IMETHODIMP
|
|
nsStreamIOChannel::OnStartRequest(nsIChannel* transportChannel, nsISupports* context)
|
|
{
|
|
NS_ASSERTION(mUserObserver, "No listener...");
|
|
return mUserObserver->OnStartRequest(this, context);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsStreamIOChannel::OnStopRequest(nsIChannel* transportChannel, nsISupports* context,
|
|
nsresult aStatus, const PRUnichar* aStatusArg)
|
|
{
|
|
nsresult rv;
|
|
|
|
rv = mUserObserver->OnStopRequest(this, context, aStatus, aStatusArg);
|
|
if (NS_FAILED(rv)) return rv;
|
|
|
|
if (mLoadGroup) {
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = mLoadGroup->RemoveChannel(this, context, aStatus, aStatusArg);
|
|
if (NS_FAILED(rv)) return rv;
|
|
}
|
|
}
|
|
|
|
// Release the reference to the consumer stream listener...
|
|
mUserObserver = null_nsCOMPtr();
|
|
mFileTransport = null_nsCOMPtr();
|
|
|
|
return mStreamIO->Close(aStatus);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsStreamIOChannel::OnDataAvailable(nsIChannel* transportChannel, nsISupports* context,
|
|
nsIInputStream *aIStream, PRUint32 aSourceOffset,
|
|
PRUint32 aLength)
|
|
{
|
|
return GetListener()->OnDataAvailable(this, context, aIStream,
|
|
aSourceOffset, aLength);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|