mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-08-28 16:50:17 +02:00
437 lines
13 KiB
C++
437 lines
13 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIFileTransportService.h"
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#include "nsIStreamListener.h"
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#include "nsIServiceManager.h"
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#include "nsIComponentRegistrar.h"
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#include "nsIInputStream.h"
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#include "nsIEventQueue.h"
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#include "nsIEventQueueService.h"
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#include "prinrval.h"
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#include "prmon.h"
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#include "prcmon.h"
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#include "prio.h"
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#include "nsIFileStreams.h"
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#include "nsILocalFile.h"
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#include "nsNetUtil.h"
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#include "nsIPipe.h"
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#include "nsIOutputStream.h"
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#include "nsIInputStream.h"
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#include "nsIRunnable.h"
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#include "nsIThread.h"
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#include "nsCOMArray.h"
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#include "nsIChannel.h"
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#include "nsCOMPtr.h"
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#include <stdio.h>
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#include "nsInt64.h"
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static NS_DEFINE_CID(kFileTransportServiceCID, NS_FILETRANSPORTSERVICE_CID);
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static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
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#if defined(XP_MAC)
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#define FILE_PATH_SEPARATOR ":"
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#elif defined(XP_WIN) || defined(XP_OS2)
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#define FILE_PATH_SEPARATOR "\\"
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#elif defined(XP_UNIX) || defined(XP_BEOS)
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#define FILE_PATH_SEPARATOR "/"
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#else
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#error need_to_define_your_file_path_separator_and_illegal_characters
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#endif
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PRIntervalTime gDuration = 0;
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PRUint32 gVolume = 0;
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class nsReader : public nsIRunnable, public nsIStreamListener {
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public:
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NS_DECL_ISUPPORTS
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NS_IMETHOD Run() {
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printf("waiting\n");
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if (!mMonitor)
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return NS_ERROR_OUT_OF_MEMORY;
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PR_EnterMonitor(mMonitor);
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if (mEventQueue == nsnull)
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PR_CWait(this, PR_INTERVAL_NO_TIMEOUT);
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PR_ExitMonitor(mMonitor);
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printf("running\n");
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mEventQueue->EventLoop();
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printf("quitting\n");
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return NS_OK;
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}
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nsReader()
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: mEventQueue(nsnull), mStartTime(0), mThread(nsnull), mBytesRead(0)
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{
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mMonitor = PR_NewMonitor();
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}
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virtual ~nsReader() {
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NS_IF_RELEASE(mThread);
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NS_IF_RELEASE(mEventQueue);
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PR_DestroyMonitor(mMonitor);
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}
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nsresult Init(nsIThread* thread) {
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nsresult rv;
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mThread = thread;
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NS_ADDREF(mThread);
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PRThread* prthread;
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thread->GetPRThread(&prthread);
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PR_EnterMonitor(mMonitor);
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nsCOMPtr<nsIEventQueueService> eventQService =
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do_GetService(kEventQueueServiceCID, &rv);
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if (NS_SUCCEEDED(rv)) {
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rv = eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, &mEventQueue);
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}
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if (NS_FAILED(rv)) return rv;
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// wake up event loop
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PR_Notify(mMonitor);
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PR_ExitMonitor(mMonitor);
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return NS_OK;
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}
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NS_IMETHOD OnStartRequest(nsIRequest *request,
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nsISupports* context) {
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PR_EnterMonitor(mMonitor);
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printf("start binding\n");
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mStartTime = PR_IntervalNow();
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PR_ExitMonitor(mMonitor);
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return NS_OK;
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}
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NS_IMETHOD OnDataAvailable(nsIRequest *request,
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nsISupports* context,
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nsIInputStream *aIStream,
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PRUint32 aSourceOffset,
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PRUint32 aLength) {
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PR_EnterMonitor(mMonitor);
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char buf[1025];
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while (aLength > 0) {
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PRUint32 amt;
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/*nsresult rv = */aIStream->Read(buf, 1024, &amt);
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if (amt == 0) break;
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buf[amt] = '\0';
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printf(buf);
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aLength -= amt;
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mBytesRead += amt;
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gVolume += amt;
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}
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PR_ExitMonitor(mMonitor);
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return NS_OK;
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}
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NS_IMETHOD OnStopRequest(nsIRequest *request, nsISupports* context,
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nsresult aStatus) {
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nsresult rv;
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PR_EnterMonitor(mMonitor);
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PRIntervalTime endTime = PR_IntervalNow();
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gDuration += (endTime - mStartTime);
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printf("stop binding, %d\n", aStatus);
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if (NS_FAILED(aStatus)) printf("channel failed.\n");
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printf("read %d bytes\n", mBytesRead);
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PR_ExitMonitor(mMonitor);
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// get me out of my event loop
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rv = mThread->Interrupt();
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if (NS_FAILED(rv)) return rv;
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return rv;
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}
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protected:
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nsIEventQueue* mEventQueue;
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PRIntervalTime mStartTime;
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nsIThread* mThread;
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PRUint32 mBytesRead;
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private:
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PRMonitor* mMonitor;
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};
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NS_IMPL_ADDREF(nsReader)
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NS_IMPL_RELEASE(nsReader)
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NS_IMETHODIMP
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nsReader::QueryInterface(const nsIID& aIID, void* *aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(NS_GET_IID(nsIRunnable)) ||
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aIID.Equals(NS_GET_IID(nsISupports))) {
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*aInstancePtr = NS_STATIC_CAST(nsIRunnable*, this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(NS_GET_IID(nsIStreamListener))) {
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*aInstancePtr = NS_STATIC_CAST(nsIStreamListener*, this);
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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nsresult
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Simulated_nsFileTransport_Run(nsReader* reader, const char* path)
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{
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// duplicate the work of nsFileTransport::Run here
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#define NS_FILE_TRANSPORT_BUFFER_SIZE (4*1024)
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nsresult rv;
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nsCOMPtr<nsIInputStream> fileStr;
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nsIInputStream* bufStr = nsnull;
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PRUint32 sourceOffset = 0;
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nsCOMPtr<nsIOutputStream> out;
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nsCOMPtr<nsILocalFile> file;
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rv = reader->OnStartRequest(nsnull, nsnull);
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if (NS_FAILED(rv)) goto done; // XXX should this abort the transfer?
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rv = NS_NewNativeLocalFile(nsDependentCString(path), PR_FALSE, getter_AddRefs(file));
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if (NS_FAILED(rv)) goto done;
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rv = NS_NewLocalFileInputStream(getter_AddRefs(fileStr), file);
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if (NS_FAILED(rv)) goto done;
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rv = NS_NewPipe(&bufStr, getter_AddRefs(out),
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NS_FILE_TRANSPORT_BUFFER_SIZE,
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NS_FILE_TRANSPORT_BUFFER_SIZE);
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if (NS_FAILED(rv)) goto done;
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/*
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if ( spec.GetFileSize() == 0) goto done;
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*/
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while (PR_TRUE) {
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PRUint32 amt;
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/* id'l change to FillFrom... */
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PRInt64 size;
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rv = file->GetFileSize(&size);
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if (NS_FAILED(rv)) break;
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rv = out->WriteFrom(fileStr, nsInt64(size), &amt);
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if (NS_FAILED(rv) || amt == 0) break;
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rv = reader->OnDataAvailable(nsnull, nsnull, bufStr, sourceOffset, amt);
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if (NS_FAILED(rv)) break;
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sourceOffset += amt;
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}
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done:
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NS_IF_RELEASE(bufStr);
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rv = reader->OnStopRequest(nsnull, nsnull, rv);
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return rv;
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}
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void
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SerialReadTest(char* dirName)
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{
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nsresult rv;
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PRStatus status;
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PRDir* dir = PR_OpenDir(dirName);
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NS_ASSERTION(dir, "bad dir");
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nsCOMArray<nsIThread> threads;
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PRIntervalTime startTime = PR_IntervalNow();
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PRDirEntry* entry;
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while ((entry = PR_ReadDir(dir, PR_SKIP_BOTH)) != nsnull) {
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char buffer[1024];
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sprintf(buffer, "%s%s%s" dirName, FILE_PATH_SEPARATOR, entry->name);
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nsReader* reader = new nsReader();
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NS_ASSERTION(reader, "out of memory");
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NS_ADDREF(reader);
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nsIThread* readerThread;
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rv = NS_NewThread(&readerThread, reader, 0, PR_JOINABLE_THREAD);
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NS_ASSERTION(NS_SUCCEEDED(rv), "new thread failed");
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rv = reader->Init(readerThread);
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NS_ASSERTION(NS_SUCCEEDED(rv), "init failed");
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// XXXbz shouldn't we put these in our array?
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nsIStreamListener* listener;
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reader->QueryInterface(NS_GET_IID(nsIStreamListener), (void**)&listener);
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NS_ASSERTION(listener, "QI failed");
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rv = Simulated_nsFileTransport_Run(reader, buffer);
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NS_ASSERTION(NS_SUCCEEDED(rv), "Simulated_nsFileTransport_Run failed");
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// the reader thread will hang on to these objects until it quits
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NS_RELEASE(listener);
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NS_RELEASE(readerThread);
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NS_RELEASE(reader);
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}
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PRIntervalTime endTime = PR_IntervalNow();
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printf("duration %d ms, volume %d\n",
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PR_IntervalToMilliseconds(endTime - startTime),
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gVolume);
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gVolume = 0;
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// now that we've forked all the async requests, wait until they're done
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PRUint32 threadCount = threads.Count();
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for (PRUint32 i = 0; i < threadCount; i++) {
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nsIThread* thread = threads.ObjectAt(i);
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thread->Join();
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}
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status = PR_CloseDir(dir);
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NS_ASSERTION(status == PR_SUCCESS, "can't close dir");
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}
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void
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ParallelReadTest(char* dirName, nsIFileTransportService* fts)
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{
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nsresult rv;
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PRStatus status;
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PRDir* dir = PR_OpenDir(dirName);
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NS_ASSERTION(dir, "bad dir");
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nsCOMArray<nsIThread> threads;
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PRDirEntry* entry;
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while ((entry = PR_ReadDir(dir, PR_SKIP_BOTH)) != nsnull) {
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nsCOMPtr<nsILocalFile> localFile;
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rv = NS_NewNativeLocalFile(nsDependentCString(dirName), PR_FALSE, getter_AddRefs(localFile));
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NS_ASSERTION(NS_SUCCEEDED(rv), "NS_NewNativeLocalFile failed");
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rv = localFile->AppendNative(nsDependentCString(entry->name));
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NS_ASSERTION(NS_SUCCEEDED(rv), "AppendPath failed");
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nsReader* reader = new nsReader();
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NS_ASSERTION(reader, "out of memory");
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NS_ADDREF(reader);
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nsCOMPtr<nsIThread> readerThread;
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rv = NS_NewThread(getter_AddRefs(readerThread), reader, 0,
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PR_JOINABLE_THREAD);
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NS_ASSERTION(NS_SUCCEEDED(rv), "new thread failed");
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rv = reader->Init(readerThread);
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NS_ASSERTION(NS_SUCCEEDED(rv), "init failed");
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nsIStreamListener* listener;
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reader->QueryInterface(NS_GET_IID(nsIStreamListener), (void**)&listener);
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NS_ASSERTION(listener, "QI failed");
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nsITransport* trans;
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rv = fts->CreateTransport(localFile, PR_RDONLY, 0, PR_TRUE, &trans);
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NS_ASSERTION(NS_SUCCEEDED(rv), "create failed");
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nsCOMPtr<nsIRequest> request;
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rv = trans->AsyncRead(nsnull, listener, 0, -1, 0, getter_AddRefs(request));
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NS_ASSERTION(NS_SUCCEEDED(rv), "AsyncRead failed");
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// the reader thread will hang on to these objects until it quits
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NS_RELEASE(trans);
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NS_RELEASE(listener);
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NS_RELEASE(reader);
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rv = threads.AppendObject(readerThread) ? NS_OK : NS_ERROR_FAILURE;
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NS_ASSERTION(NS_SUCCEEDED(rv), "AppendElement failed");
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}
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// now that we've forked all the async requests, wait until they're done
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PRUint32 threadCount = threads.Count();
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for (PRUint32 i = 0; i < threadCount; i++) {
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nsIThread* thread = threads.ObjectAt(i);
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thread->Join();
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}
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status = PR_CloseDir(dir);
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NS_ASSERTION(status == PR_SUCCESS, "can't close dir");
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}
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int
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main(int argc, char* argv[])
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{
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nsresult rv;
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if (argc < 2) {
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printf("usage: %s <dir-to-read-all-files-from>\n", argv[0]);
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return -1;
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}
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char* dirName = argv[1];
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{
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nsCOMPtr<nsIServiceManager> servMan;
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NS_InitXPCOM2(getter_AddRefs(servMan), nsnull, nsnull);
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nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan);
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NS_ASSERTION(registrar, "Null nsIComponentRegistrar");
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if (registrar)
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registrar->AutoRegister(nsnull);
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nsCOMPtr<nsIFileTransportService> fts =
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do_GetService(kFileTransportServiceCID, &rv);
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if (NS_FAILED(rv)) return rv;
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SerialReadTest(dirName);
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//ParallelReadTest(dirName, fts);
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fts->ProcessPendingRequests();
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printf("duration %d ms, volume %d\n",
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PR_IntervalToMilliseconds(gDuration),
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gVolume);
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||
|
gVolume = 0;
|
||
|
} // this scopes the nsCOMPtrs
|
||
|
// no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
|
||
|
rv = NS_ShutdownXPCOM(nsnull);
|
||
|
NS_ASSERTION(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed");
|
||
|
return 0;
|
||
|
}
|
||
|
|