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tenfourfox/netwerk/test/TestFileInput2.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsIServiceManager.h"
#include "nsIComponentRegistrar.h"
#include "nsIInputStream.h"
#include "nsIOutputStream.h"
#include "nsIRunnable.h"
#include "nsIThread.h"
#include "nsCOMArray.h"
#include "nsISimpleEnumerator.h"
#include "prinrval.h"
#include "nsIFileStreams.h"
#include "nsIFileChannel.h"
#include "nsIFile.h"
#include "nsNetUtil.h"
#include <stdio.h>
////////////////////////////////////////////////////////////////////////////////
#include <math.h>
#include "prprf.h"
#include "nsAutoLock.h"
class nsTimeSampler {
public:
nsTimeSampler();
void Reset();
void StartTime();
void EndTime();
void AddTime(PRIntervalTime time);
PRIntervalTime LastInterval() { return mLastInterval; }
char* PrintStats();
protected:
PRIntervalTime mStartTime;
double mSquares;
double mTotalTime;
uint32_t mCount;
PRIntervalTime mLastInterval;
};
nsTimeSampler::nsTimeSampler()
{
Reset();
}
void
nsTimeSampler::Reset()
{
mStartTime = 0;
mSquares = 0;
mTotalTime = 0;
mCount = 0;
mLastInterval = 0;
}
void
nsTimeSampler::StartTime()
{
mStartTime = PR_IntervalNow();
}
void
nsTimeSampler::EndTime()
{
NS_ASSERTION(mStartTime != 0, "Forgot to call StartTime");
PRIntervalTime endTime = PR_IntervalNow();
mLastInterval = endTime - mStartTime;
AddTime(mLastInterval);
mStartTime = 0;
}
void
nsTimeSampler::AddTime(PRIntervalTime time)
{
nsAutoCMonitor mon(this);
mTotalTime += time;
mSquares += (double)time * (double)time;
mCount++;
}
char*
nsTimeSampler::PrintStats()
{
double mean = mTotalTime / mCount;
double variance = fabs(mSquares / mCount - mean * mean);
double stddev = sqrt(variance);
uint32_t imean = (uint32_t)mean;
uint32_t istddev = (uint32_t)stddev;
return PR_smprintf("%d +/- %d ms",
PR_IntervalToMilliseconds(imean),
PR_IntervalToMilliseconds(istddev));
}
////////////////////////////////////////////////////////////////////////////////
nsTimeSampler gTimeSampler;
typedef nsresult (*CreateFun)(nsIRunnable* *result,
nsIFile* inPath,
nsIFile* outPath,
uint32_t bufferSize);
////////////////////////////////////////////////////////////////////////////////
nsresult
Copy(nsIInputStream* inStr, nsIOutputStream* outStr,
char* buf, uint32_t bufSize, uint32_t *copyCount)
{
nsresult rv;
while (true) {
uint32_t count;
rv = inStr->Read(buf, bufSize, &count);
if (NS_FAILED(rv)) return rv;
if (count == 0) break;
uint32_t writeCount;
rv = outStr->Write(buf, count, &writeCount);
if (NS_FAILED(rv)) return rv;
NS_ASSERTION(writeCount == count, "didn't write all the data");
*copyCount += writeCount;
}
rv = outStr->Flush();
return rv;
}
////////////////////////////////////////////////////////////////////////////////
class FileSpecWorker : public nsIRunnable {
public:
NS_IMETHOD Run() {
nsresult rv;
PRIntervalTime startTime = PR_IntervalNow();
PRIntervalTime endTime;
nsCOMPtr<nsIInputStream> inStr;
nsCOMPtr<nsIOutputStream> outStr;
uint32_t copyCount = 0;
// Open the input stream:
nsCOMPtr<nsIInputStream> fileIn;
rv = NS_NewLocalFileInputStream(getter_AddRefs(fileIn), mInPath);
if (NS_FAILED(rv)) return rv;
rv = NS_NewBufferedInputStream(getter_AddRefs(inStr), fileIn, 65535);
if (NS_FAILED(rv)) return rv;
// Open the output stream:
nsCOMPtr<nsIOutputStream> fileOut;
rv = NS_NewLocalFileOutputStream(getter_AddRefs(fileOut),
mOutPath,
PR_CREATE_FILE | PR_WRONLY | PR_TRUNCATE,
0664);
if (NS_FAILED(rv)) return rv;
rv = NS_NewBufferedOutputStream(getter_AddRefs(outStr), fileOut, 65535);
if (NS_FAILED(rv)) return rv;
// Copy from one to the other
rv = Copy(inStr, outStr, mBuffer, mBufferSize, &copyCount);
if (NS_FAILED(rv)) return rv;
endTime = PR_IntervalNow();
gTimeSampler.AddTime(endTime - startTime);
return rv;
}
NS_DECL_ISUPPORTS
FileSpecWorker()
: mInPath(nullptr), mOutPath(nullptr), mBuffer(nullptr),
mBufferSize(0)
{
}
nsresult Init(nsIFile* inPath, nsIFile* outPath,
uint32_t bufferSize)
{
mInPath = inPath;
mOutPath = outPath;
mBuffer = new char[bufferSize];
mBufferSize = bufferSize;
return (mInPath && mOutPath && mBuffer)
? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
static nsresult Create(nsIRunnable* *result,
nsIFile* inPath,
nsIFile* outPath,
uint32_t bufferSize)
{
FileSpecWorker* worker = new FileSpecWorker();
if (worker == nullptr)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(worker);
nsresult rv = worker->Init(inPath, outPath, bufferSize);
if (NS_FAILED(rv)) {
NS_RELEASE(worker);
return rv;
}
*result = worker;
return NS_OK;
}
virtual ~FileSpecWorker() {
delete[] mBuffer;
}
protected:
nsCOMPtr<nsIFile> mInPath;
nsCOMPtr<nsIFile> mOutPath;
char* mBuffer;
uint32_t mBufferSize;
};
NS_IMPL_ISUPPORTS(FileSpecWorker, nsIRunnable)
////////////////////////////////////////////////////////////////////////////////
#include "nsIIOService.h"
#include "nsIChannel.h"
class FileChannelWorker : public nsIRunnable {
public:
NS_IMETHOD Run() {
nsresult rv;
PRIntervalTime startTime = PR_IntervalNow();
PRIntervalTime endTime;
uint32_t copyCount = 0;
nsCOMPtr<nsIFileChannel> inCh;
nsCOMPtr<nsIFileChannel> outCh;
nsCOMPtr<nsIInputStream> inStr;
nsCOMPtr<nsIOutputStream> outStr;
rv = NS_NewLocalFileChannel(getter_AddRefs(inCh), mInPath);
if (NS_FAILED(rv)) return rv;
rv = inCh->Open(getter_AddRefs(inStr));
if (NS_FAILED(rv)) return rv;
//rv = NS_NewLocalFileChannel(getter_AddRefs(outCh), mOutPath);
//if (NS_FAILED(rv)) return rv;
//rv = outCh->OpenOutputStream(0, -1, 0, getter_AddRefs(outStr));
//if (NS_FAILED(rv)) return rv;
// Copy from one to the other
rv = Copy(inStr, outStr, mBuffer, mBufferSize, &copyCount);
if (NS_FAILED(rv)) return rv;
endTime = PR_IntervalNow();
gTimeSampler.AddTime(endTime - startTime);
return rv;
}
NS_DECL_ISUPPORTS
FileChannelWorker()
: mInPath(nullptr), mOutPath(nullptr), mBuffer(nullptr),
mBufferSize(0)
{
}
nsresult Init(nsIFile* inPath, nsIFile* outPath,
uint32_t bufferSize)
{
mInPath = inPath;
mOutPath = outPath;
mBuffer = new char[bufferSize];
mBufferSize = bufferSize;
return (mInPath && mOutPath && mBuffer)
? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
static nsresult Create(nsIRunnable* *result,
nsIFile* inPath,
nsIFile* outPath,
uint32_t bufferSize)
{
FileChannelWorker* worker = new FileChannelWorker();
if (worker == nullptr)
return NS_ERROR_OUT_OF_MEMORY;
NS_ADDREF(worker);
nsresult rv = worker->Init(inPath, outPath, bufferSize);
if (NS_FAILED(rv)) {
NS_RELEASE(worker);
return rv;
}
*result = worker;
return NS_OK;
}
virtual ~FileChannelWorker() {
delete[] mBuffer;
}
protected:
nsCOMPtr<nsIFile> mInPath;
nsCOMPtr<nsIFile> mOutPath;
char* mBuffer;
uint32_t mBufferSize;
};
NS_IMPL_ISUPPORTS(FileChannelWorker, nsIRunnable)
////////////////////////////////////////////////////////////////////////////////
void
Test(CreateFun create, uint32_t count,
nsIFile* inDirSpec, nsIFile* outDirSpec, uint32_t bufSize)
{
nsresult rv;
uint32_t i;
nsAutoCString inDir;
nsAutoCString outDir;
(void)inDirSpec->GetNativePath(inDir);
(void)outDirSpec->GetNativePath(outDir);
printf("###########\nTest: from %s to %s, bufSize = %d\n",
inDir.get(), outDir.get(), bufSize);
gTimeSampler.Reset();
nsTimeSampler testTime;
testTime.StartTime();
nsCOMArray<nsIThread> threads;
nsCOMPtr<nsISimpleEnumerator> entries;
rv = inDirSpec->GetDirectoryEntries(getter_AddRefs(entries));
NS_ASSERTION(NS_SUCCEEDED(rv), "GetDirectoryEntries failed");
i = 0;
bool hasMore;
while (i < count && NS_SUCCEEDED(entries->HasMoreElements(&hasMore)) && hasMore) {
nsCOMPtr<nsISupports> next;
rv = entries->GetNext(getter_AddRefs(next));
if (NS_FAILED(rv)) goto done;
nsCOMPtr<nsIFile> inSpec = do_QueryInterface(next, &rv);
if (NS_FAILED(rv)) goto done;
nsCOMPtr<nsIFile> outSpec;
rv = outDirSpec->Clone(getter_AddRefs(outSpec)); // don't munge the original
if (NS_FAILED(rv)) goto done;
nsAutoCString leafName;
rv = inSpec->GetNativeLeafName(leafName);
if (NS_FAILED(rv)) goto done;
rv = outSpec->AppendNative(leafName);
if (NS_FAILED(rv)) goto done;
bool exists;
rv = outSpec->Exists(&exists);
if (NS_FAILED(rv)) goto done;
if (exists) {
rv = outSpec->Remove(false);
if (NS_FAILED(rv)) goto done;
}
nsCOMPtr<nsIThread> thread;
nsCOMPtr<nsIRunnable> worker;
rv = create(getter_AddRefs(worker),
inSpec,
outSpec,
bufSize);
if (NS_FAILED(rv)) goto done;
rv = NS_NewThread(getter_AddRefs(thread), worker, 0, PR_JOINABLE_THREAD);
if (NS_FAILED(rv)) goto done;
bool inserted = threads.InsertObjectAt(thread, i);
NS_ASSERTION(inserted, "not inserted");
i++;
}
uint32_t j;
for (j = 0; j < i; j++) {
nsIThread* thread = threads.ObjectAt(j);
thread->Join();
}
done:
NS_ASSERTION(rv == NS_OK, "failed");
testTime.EndTime();
char* testStats = testTime.PrintStats();
char* workerStats = gTimeSampler.PrintStats();
printf(" threads = %d\n work time = %s,\n test time = %s\n",
i, workerStats, testStats);
PR_smprintf_free(workerStats);
PR_smprintf_free(testStats);
}
////////////////////////////////////////////////////////////////////////////////
int
main(int argc, char* argv[])
{
nsresult rv;
if (argc < 2) {
printf("usage: %s <in-dir> <out-dir>\n", argv[0]);
return -1;
}
char* inDir = argv[1];
char* outDir = argv[2];
{
nsCOMPtr<nsIServiceManager> servMan;
NS_InitXPCOM2(getter_AddRefs(servMan), nullptr, nullptr);
nsCOMPtr<nsIComponentRegistrar> registrar = do_QueryInterface(servMan);
NS_ASSERTION(registrar, "Null nsIComponentRegistrar");
if (registrar)
registrar->AutoRegister(nullptr);
nsCOMPtr<nsIFile> inDirFile;
rv = NS_NewNativeLocalFile(nsDependentCString(inDir), false, getter_AddRefs(inDirFile));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIFile> outDirFile;
rv = NS_NewNativeLocalFile(nsDependentCString(outDir), false, getter_AddRefs(outDirFile));
if (NS_FAILED(rv)) return rv;
CreateFun create = FileChannelWorker::Create;
Test(create, 1, inDirFile, outDirFile, 16 * 1024);
#if 1
printf("FileChannelWorker *****************************\n");
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
#endif
create = FileSpecWorker::Create;
printf("FileSpecWorker ********************************\n");
#if 1
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
Test(create, 20, inDirFile, outDirFile, 16 * 1024);
#endif
#if 1
Test(create, 20, inDirFile, outDirFile, 4 * 1024);
Test(create, 20, inDirFile, outDirFile, 4 * 1024);
Test(create, 20, inDirFile, outDirFile, 4 * 1024);
Test(create, 20, inDirFile, outDirFile, 4 * 1024);
Test(create, 20, inDirFile, outDirFile, 4 * 1024);
Test(create, 20, inDirFile, outDirFile, 4 * 1024);
Test(create, 20, inDirFile, outDirFile, 4 * 1024);
Test(create, 20, inDirFile, outDirFile, 4 * 1024);
Test(create, 20, inDirFile, outDirFile, 4 * 1024);
#endif
} // this scopes the nsCOMPtrs
// no nsCOMPtrs are allowed to be alive when you call NS_ShutdownXPCOM
rv = NS_ShutdownXPCOM(nullptr);
NS_ASSERTION(NS_SUCCEEDED(rv), "NS_ShutdownXPCOM failed");
return 0;
}
////////////////////////////////////////////////////////////////////////////////
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