зеркало из https://github.com/mozilla/pjs.git
513 строки
16 KiB
C++
513 строки
16 KiB
C++
/* -*- 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 "nsIServiceManager.h"
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#include "nsIComponentRegistrar.h"
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#include "nsIInputStream.h"
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#include "nsIOutputStream.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 "nsISimpleEnumerator.h"
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#include "prinrval.h"
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#include "nsIFileStreams.h"
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#include "nsIFileChannel.h"
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#include "nsILocalFile.h"
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#include "nsNetUtil.h"
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#include <stdio.h>
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////////////////////////////////////////////////////////////////////////////////
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#include <math.h>
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#include "prprf.h"
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#include "nsAutoLock.h"
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class nsTimeSampler {
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public:
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nsTimeSampler();
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void Reset();
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void StartTime();
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void EndTime();
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void AddTime(PRIntervalTime time);
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PRIntervalTime LastInterval() { return mLastInterval; }
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char* PrintStats();
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protected:
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PRIntervalTime mStartTime;
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double mSquares;
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double mTotalTime;
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PRUint32 mCount;
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PRIntervalTime mLastInterval;
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};
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nsTimeSampler::nsTimeSampler()
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{
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Reset();
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}
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void
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nsTimeSampler::Reset()
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{
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mStartTime = 0;
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mSquares = 0;
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mTotalTime = 0;
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mCount = 0;
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mLastInterval = 0;
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}
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void
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nsTimeSampler::StartTime()
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{
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mStartTime = PR_IntervalNow();
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}
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void
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nsTimeSampler::EndTime()
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{
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NS_ASSERTION(mStartTime != 0, "Forgot to call StartTime");
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PRIntervalTime endTime = PR_IntervalNow();
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mLastInterval = endTime - mStartTime;
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AddTime(mLastInterval);
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mStartTime = 0;
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}
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void
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nsTimeSampler::AddTime(PRIntervalTime time)
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{
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nsAutoCMonitor mon(this);
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mTotalTime += time;
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mSquares += (double)time * (double)time;
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mCount++;
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}
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char*
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nsTimeSampler::PrintStats()
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{
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double mean = mTotalTime / mCount;
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double variance = fabs(mSquares / mCount - mean * mean);
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double stddev = sqrt(variance);
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PRUint32 imean = (PRUint32)mean;
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PRUint32 istddev = (PRUint32)stddev;
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return PR_smprintf("%d +/- %d ms",
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PR_IntervalToMilliseconds(imean),
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PR_IntervalToMilliseconds(istddev));
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}
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////////////////////////////////////////////////////////////////////////////////
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nsTimeSampler gTimeSampler;
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typedef nsresult (*CreateFun)(nsIRunnable* *result,
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nsIFile* inPath,
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nsIFile* outPath,
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PRUint32 bufferSize);
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////////////////////////////////////////////////////////////////////////////////
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nsresult
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Copy(nsIInputStream* inStr, nsIOutputStream* outStr,
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char* buf, PRUint32 bufSize, PRUint32 *copyCount)
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{
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nsresult rv;
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while (true) {
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PRUint32 count;
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rv = inStr->Read(buf, bufSize, &count);
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if (NS_FAILED(rv)) return rv;
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if (count == 0) break;
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PRUint32 writeCount;
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rv = outStr->Write(buf, count, &writeCount);
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if (NS_FAILED(rv)) return rv;
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NS_ASSERTION(writeCount == count, "didn't write all the data");
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*copyCount += writeCount;
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}
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rv = outStr->Flush();
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return rv;
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}
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////////////////////////////////////////////////////////////////////////////////
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class FileSpecWorker : public nsIRunnable {
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public:
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NS_IMETHOD Run() {
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nsresult rv;
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PRIntervalTime startTime = PR_IntervalNow();
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PRIntervalTime endTime;
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nsCOMPtr<nsIInputStream> inStr;
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nsCOMPtr<nsIOutputStream> outStr;
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PRUint32 copyCount = 0;
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// Open the input stream:
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nsCOMPtr<nsIInputStream> fileIn;
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rv = NS_NewLocalFileInputStream(getter_AddRefs(fileIn), mInPath);
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if (NS_FAILED(rv)) return rv;
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rv = NS_NewBufferedInputStream(getter_AddRefs(inStr), fileIn, 65535);
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if (NS_FAILED(rv)) return rv;
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// Open the output stream:
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nsCOMPtr<nsIOutputStream> fileOut;
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rv = NS_NewLocalFileOutputStream(getter_AddRefs(fileOut),
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mOutPath,
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PR_CREATE_FILE | PR_WRONLY | PR_TRUNCATE,
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0664);
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if (NS_FAILED(rv)) return rv;
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rv = NS_NewBufferedOutputStream(getter_AddRefs(outStr), fileOut, 65535);
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if (NS_FAILED(rv)) return rv;
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// Copy from one to the other
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rv = Copy(inStr, outStr, mBuffer, mBufferSize, ©Count);
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if (NS_FAILED(rv)) return rv;
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endTime = PR_IntervalNow();
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gTimeSampler.AddTime(endTime - startTime);
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return rv;
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}
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NS_DECL_ISUPPORTS
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FileSpecWorker()
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: mInPath(nsnull), mOutPath(nsnull), mBuffer(nsnull),
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mBufferSize(0)
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{
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}
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nsresult Init(nsIFile* inPath, nsIFile* outPath,
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PRUint32 bufferSize)
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{
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mInPath = inPath;
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mOutPath = outPath;
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mBuffer = new char[bufferSize];
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mBufferSize = bufferSize;
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return (mInPath && mOutPath && mBuffer)
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? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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}
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static nsresult Create(nsIRunnable* *result,
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nsIFile* inPath,
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nsIFile* outPath,
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PRUint32 bufferSize)
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{
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FileSpecWorker* worker = new FileSpecWorker();
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if (worker == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(worker);
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nsresult rv = worker->Init(inPath, outPath, bufferSize);
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if (NS_FAILED(rv)) {
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NS_RELEASE(worker);
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return rv;
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}
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*result = worker;
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return NS_OK;
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}
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virtual ~FileSpecWorker() {
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delete[] mBuffer;
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}
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protected:
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nsCOMPtr<nsIFile> mInPath;
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nsCOMPtr<nsIFile> mOutPath;
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char* mBuffer;
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PRUint32 mBufferSize;
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};
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NS_IMPL_ISUPPORTS1(FileSpecWorker, nsIRunnable)
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////////////////////////////////////////////////////////////////////////////////
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#include "nsIIOService.h"
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#include "nsIChannel.h"
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class FileChannelWorker : public nsIRunnable {
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public:
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NS_IMETHOD Run() {
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nsresult rv;
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PRIntervalTime startTime = PR_IntervalNow();
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PRIntervalTime endTime;
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PRUint32 copyCount = 0;
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nsCOMPtr<nsIFileChannel> inCh;
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nsCOMPtr<nsIFileChannel> outCh;
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nsCOMPtr<nsIInputStream> inStr;
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nsCOMPtr<nsIOutputStream> outStr;
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rv = NS_NewLocalFileChannel(getter_AddRefs(inCh), mInPath);
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if (NS_FAILED(rv)) return rv;
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rv = inCh->Open(getter_AddRefs(inStr));
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if (NS_FAILED(rv)) return rv;
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//rv = NS_NewLocalFileChannel(getter_AddRefs(outCh), mOutPath);
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//if (NS_FAILED(rv)) return rv;
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//rv = outCh->OpenOutputStream(0, -1, 0, getter_AddRefs(outStr));
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//if (NS_FAILED(rv)) return rv;
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// Copy from one to the other
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rv = Copy(inStr, outStr, mBuffer, mBufferSize, ©Count);
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if (NS_FAILED(rv)) return rv;
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endTime = PR_IntervalNow();
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gTimeSampler.AddTime(endTime - startTime);
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return rv;
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}
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NS_DECL_ISUPPORTS
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FileChannelWorker()
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: mInPath(nsnull), mOutPath(nsnull), mBuffer(nsnull),
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mBufferSize(0)
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{
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}
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nsresult Init(nsIFile* inPath, nsIFile* outPath,
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PRUint32 bufferSize)
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{
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mInPath = inPath;
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mOutPath = outPath;
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mBuffer = new char[bufferSize];
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mBufferSize = bufferSize;
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return (mInPath && mOutPath && mBuffer)
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? NS_OK : NS_ERROR_OUT_OF_MEMORY;
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}
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static nsresult Create(nsIRunnable* *result,
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nsIFile* inPath,
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nsIFile* outPath,
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PRUint32 bufferSize)
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{
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FileChannelWorker* worker = new FileChannelWorker();
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if (worker == nsnull)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(worker);
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nsresult rv = worker->Init(inPath, outPath, bufferSize);
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if (NS_FAILED(rv)) {
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NS_RELEASE(worker);
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return rv;
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}
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*result = worker;
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return NS_OK;
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}
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virtual ~FileChannelWorker() {
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delete[] mBuffer;
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}
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protected:
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nsCOMPtr<nsIFile> mInPath;
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nsCOMPtr<nsIFile> mOutPath;
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char* mBuffer;
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PRUint32 mBufferSize;
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};
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NS_IMPL_ISUPPORTS1(FileChannelWorker, nsIRunnable)
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////////////////////////////////////////////////////////////////////////////////
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void
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Test(CreateFun create, PRUint32 count,
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nsIFile* inDirSpec, nsIFile* outDirSpec, PRUint32 bufSize)
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{
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nsresult rv;
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PRUint32 i;
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nsCAutoString inDir;
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nsCAutoString outDir;
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(void)inDirSpec->GetNativePath(inDir);
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(void)outDirSpec->GetNativePath(outDir);
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printf("###########\nTest: from %s to %s, bufSize = %d\n",
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inDir.get(), outDir.get(), bufSize);
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gTimeSampler.Reset();
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nsTimeSampler testTime;
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testTime.StartTime();
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nsCOMArray<nsIThread> threads;
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nsCOMPtr<nsISimpleEnumerator> entries;
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rv = inDirSpec->GetDirectoryEntries(getter_AddRefs(entries));
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NS_ASSERTION(NS_SUCCEEDED(rv), "GetDirectoryEntries failed");
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i = 0;
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bool hasMore;
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while (i < count && NS_SUCCEEDED(entries->HasMoreElements(&hasMore)) && hasMore) {
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nsCOMPtr<nsISupports> next;
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rv = entries->GetNext(getter_AddRefs(next));
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if (NS_FAILED(rv)) goto done;
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nsCOMPtr<nsIFile> inSpec = do_QueryInterface(next, &rv);
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if (NS_FAILED(rv)) goto done;
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nsCOMPtr<nsIFile> outSpec;
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rv = outDirSpec->Clone(getter_AddRefs(outSpec)); // don't munge the original
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if (NS_FAILED(rv)) goto done;
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nsCAutoString leafName;
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rv = inSpec->GetNativeLeafName(leafName);
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if (NS_FAILED(rv)) goto done;
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rv = outSpec->AppendNative(leafName);
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if (NS_FAILED(rv)) goto done;
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bool exists;
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rv = outSpec->Exists(&exists);
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if (NS_FAILED(rv)) goto done;
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if (exists) {
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rv = outSpec->Remove(false);
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if (NS_FAILED(rv)) goto done;
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}
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nsCOMPtr<nsIThread> thread;
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nsCOMPtr<nsIRunnable> worker;
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rv = create(getter_AddRefs(worker),
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inSpec,
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outSpec,
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bufSize);
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if (NS_FAILED(rv)) goto done;
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rv = NS_NewThread(getter_AddRefs(thread), worker, 0, PR_JOINABLE_THREAD);
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if (NS_FAILED(rv)) goto done;
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bool inserted = threads.InsertObjectAt(thread, i);
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NS_ASSERTION(inserted, "not inserted");
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i++;
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}
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PRUint32 j;
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for (j = 0; j < i; j++) {
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nsIThread* thread = threads.ObjectAt(j);
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thread->Join();
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}
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done:
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NS_ASSERTION(rv == NS_OK, "failed");
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testTime.EndTime();
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char* testStats = testTime.PrintStats();
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char* workerStats = gTimeSampler.PrintStats();
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printf(" threads = %d\n work time = %s,\n test time = %s\n",
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i, workerStats, testStats);
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PR_smprintf_free(workerStats);
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PR_smprintf_free(testStats);
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}
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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 <in-dir> <out-dir>\n", argv[0]);
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return -1;
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}
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char* inDir = argv[1];
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char* outDir = argv[2];
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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<nsILocalFile> inDirFile;
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rv = NS_NewNativeLocalFile(nsDependentCString(inDir), false, getter_AddRefs(inDirFile));
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if (NS_FAILED(rv)) return rv;
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nsCOMPtr<nsILocalFile> outDirFile;
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rv = NS_NewNativeLocalFile(nsDependentCString(outDir), false, getter_AddRefs(outDirFile));
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if (NS_FAILED(rv)) return rv;
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CreateFun create = FileChannelWorker::Create;
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Test(create, 1, inDirFile, outDirFile, 16 * 1024);
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#if 1
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printf("FileChannelWorker *****************************\n");
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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#endif
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create = FileSpecWorker::Create;
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printf("FileSpecWorker ********************************\n");
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#if 1
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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Test(create, 20, inDirFile, outDirFile, 16 * 1024);
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#endif
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#if 1
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Test(create, 20, inDirFile, outDirFile, 4 * 1024);
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Test(create, 20, inDirFile, outDirFile, 4 * 1024);
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Test(create, 20, inDirFile, outDirFile, 4 * 1024);
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Test(create, 20, inDirFile, outDirFile, 4 * 1024);
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Test(create, 20, inDirFile, outDirFile, 4 * 1024);
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Test(create, 20, inDirFile, outDirFile, 4 * 1024);
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Test(create, 20, inDirFile, outDirFile, 4 * 1024);
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Test(create, 20, inDirFile, outDirFile, 4 * 1024);
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Test(create, 20, inDirFile, outDirFile, 4 * 1024);
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#endif
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} // this scopes the nsCOMPtrs
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// no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
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rv = NS_ShutdownXPCOM(nsnull);
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NS_ASSERTION(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed");
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////
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