mirror of
https://github.com/mozilla/gecko-dev.git
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478 lines
13 KiB
C++
478 lines
13 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsIServiceManager.h"
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#include "nsIInputStream.h"
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#include "nsIOutputStream.h"
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#include "nsIThread.h"
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#include "nsISupportsArray.h"
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#include "prinrval.h"
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#include "nsIFileStream.h"
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#include "nsFileSpec.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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const char* inPath,
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const char* 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 (PR_TRUE) {
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PRUint32 count;
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rv = inStr->Read(buf, bufSize, &count);
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if (rv == NS_BASE_STREAM_EOF) break;
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if (NS_FAILED(rv)) return rv;
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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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nsIInputStream* inStr = nsnull;
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nsIOutputStream* outStr = nsnull;
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nsISupports* str = nsnull;
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PRUint32 copyCount = 0;
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nsFileSpec inSpec(mInPath);
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nsFileSpec outSpec(mOutPath);
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// Open the input stream:
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rv = NS_NewTypicalInputFileStream(&str, inSpec);
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if (NS_FAILED(rv)) goto done;
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rv = str->QueryInterface(nsCOMTypeInfo<nsIInputStream>::GetIID(), (void**)&inStr);
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NS_RELEASE(str);
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if (NS_FAILED(rv)) goto done;
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// Open the output stream:
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rv = NS_NewTypicalOutputFileStream(&str, outSpec);
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if (NS_FAILED(rv)) goto done;
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rv = str->QueryInterface(nsCOMTypeInfo<nsIOutputStream>::GetIID(), (void**)&outStr);
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NS_RELEASE(str);
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if (NS_FAILED(rv)) goto done;
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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)) goto done;
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endTime = PR_IntervalNow();
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gTimeSampler.AddTime(endTime - startTime);
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done:
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NS_IF_RELEASE(outStr);
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NS_IF_RELEASE(inStr);
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NS_IF_RELEASE(str);
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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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NS_INIT_REFCNT();
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}
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nsresult Init(const char* inPath, const char* outPath,
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PRUint32 bufferSize)
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{
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mInPath = nsCRT::strdup(inPath);
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mOutPath = nsCRT::strdup(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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const char* inPath,
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const char* 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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nsCRT::free(mInPath);
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nsCRT::free(mOutPath);
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delete[] mBuffer;
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}
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protected:
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char* mInPath;
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char* mOutPath;
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char* mBuffer;
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PRUint32 mBufferSize;
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};
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NS_IMPL_ISUPPORTS(FileSpecWorker, nsCOMTypeInfo<nsIRunnable>::GetIID());
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////////////////////////////////////////////////////////////////////////////////
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#include "nsIIOService.h"
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#include "nsIFileChannel.h"
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#include "nsIFileProtocolHandler.h"
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static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
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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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NS_WITH_SERVICE(nsIIOService, ioserv, kIOServiceCID, &rv);
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if (NS_FAILED(rv)) return 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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nsIInputStream* inStr = nsnull;
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nsIOutputStream* outStr = nsnull;
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nsIFileChannel* inCh = nsnull;
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nsIFileChannel* outCh = nsnull;
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rv = ioserv->NewChannelFromNativePath(mInPath, &inCh);
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if (NS_FAILED(rv)) goto done;
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rv = inCh->OpenInputStream(0, -1, &inStr);
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if (NS_FAILED(rv)) goto done;
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rv = ioserv->NewChannelFromNativePath(mOutPath, &outCh);
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if (NS_FAILED(rv)) goto done;
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rv = outCh->OpenOutputStream(0, &outStr);
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if (NS_FAILED(rv)) goto done;
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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)) goto done;
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endTime = PR_IntervalNow();
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gTimeSampler.AddTime(endTime - startTime);
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done:
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NS_RELEASE(inStr);
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NS_RELEASE(inCh);
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NS_RELEASE(outStr);
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NS_RELEASE(outCh);
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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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NS_INIT_REFCNT();
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}
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nsresult Init(const char* inPath, const char* outPath,
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PRUint32 bufferSize)
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{
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mInPath = nsCRT::strdup(inPath);
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mOutPath = nsCRT::strdup(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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const char* inPath,
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const char* 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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nsCRT::free(mInPath);
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nsCRT::free(mOutPath);
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delete[] mBuffer;
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}
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protected:
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char* mInPath;
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char* mOutPath;
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char* mBuffer;
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PRUint32 mBufferSize;
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};
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NS_IMPL_ISUPPORTS(FileChannelWorker, nsCOMTypeInfo<nsIRunnable>::GetIID());
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////////////////////////////////////////////////////////////////////////////////
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void
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Test(CreateFun create, PRUint32 count,
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const char* inDir, const char* outDir, PRUint32 bufSize)
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{
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nsresult rv;
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PRUint32 i;
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printf("###########\nTest: from %s to %s, bufSize = %d\n",
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inDir, outDir, bufSize);
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gTimeSampler.Reset();
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nsTimeSampler testTime;
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testTime.StartTime();
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nsISupportsArray* threads;
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rv = NS_NewISupportsArray(&threads);
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NS_ASSERTION(NS_SUCCEEDED(rv), "NS_NewISupportsArray failed");
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nsFileSpec inDirSpec(inDir);
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nsDirectoryIterator iter(inDirSpec, PR_TRUE);
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for (i = 0; i < count && iter.Exists(); i++, iter++) {
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nsIThread* thread;
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nsIRunnable* worker;
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nsFileSpec& inSpec = iter.Spec();
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nsFileSpec outSpec(outDir);
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outSpec += inSpec.GetLeafName();
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if (outSpec.Exists()) {
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outSpec.Delete(PR_FALSE);
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}
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rv = create(&worker,
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inSpec.GetNativePathCString(),
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outSpec.GetNativePathCString(),
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bufSize);
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if (NS_FAILED(rv)) goto done;
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rv = NS_NewThread(&thread, worker);
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NS_RELEASE(worker);
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if (NS_FAILED(rv)) goto done;
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PRBool inserted = threads->InsertElementAt(thread, i);
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NS_ASSERTION(inserted, "not inserted");
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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 = (nsIThread*)threads->ElementAt(j);
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if (NS_FAILED(rv)) goto done;
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thread->Join();
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}
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done:
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NS_RELEASE(threads);
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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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nsresult NS_AutoregisterComponents()
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{
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nsresult rv = nsComponentManager::AutoRegister(nsIComponentManager::NS_Startup, NULL /* default */);
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return rv;
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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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rv = NS_AutoregisterComponents();
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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, inDir, outDir, 16 * 1024);
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#if 1
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printf("FileChannelWorker *****************************\n");
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 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, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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Test(create, 20, inDir, outDir, 16 * 1024);
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#endif
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#if 1
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Test(create, 20, inDir, outDir, 4 * 1024);
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Test(create, 20, inDir, outDir, 4 * 1024);
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Test(create, 20, inDir, outDir, 4 * 1024);
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Test(create, 20, inDir, outDir, 4 * 1024);
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Test(create, 20, inDir, outDir, 4 * 1024);
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Test(create, 20, inDir, outDir, 4 * 1024);
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Test(create, 20, inDir, outDir, 4 * 1024);
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Test(create, 20, inDir, outDir, 4 * 1024);
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Test(create, 20, inDir, outDir, 4 * 1024);
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#endif
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////
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