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//+------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1994.
//
// File: bm_filio.cxx
//
// Contents: Basic File IO test
//
// Classes: CFileIOTest
//
// History: 04-Aug-94 t-vadims Created
//
//--------------------------------------------------------------------------
#include <headers.cxx>
#pragma hdrstop
#include <bm_filio.hxx>
#include <memory.h>
#define DEF_DATASIZE 16384
TCHAR *CFileIOTest::Name () { return TEXT("FileIOTest"); }
SCODE CFileIOTest::Setup (CTestInput *pInput) { SCODE sc; TCHAR pszValue[16]; ULONG i;
CTestBase::Setup(pInput);
// get iteration count
m_ulIterations = pInput->GetIterations(Name());
sc = InitCOM(); if (FAILED(sc)) { Log (TEXT("Setup - CoInitialize failed."), sc); return sc; }
// get malloc interface for this task
m_piMalloc = NULL; sc = CoGetMalloc(MEMCTX_TASK, &m_piMalloc); if (FAILED(sc)) { Log (TEXT("Setup - CoGetMalloc"), sc); Cleanup(); return sc; }
// get values of various paremeters from ini file
m_iStartSize = pInput->GetConfigInt(Name(), TEXT("StartSize"), 16); if(m_iStartSize <= 0) m_iStartSize = 16;
m_iEndSize = pInput->GetConfigInt(Name(), TEXT("EndSize"), DEF_DATASIZE);
// initialize array to be written to the file.
m_pbData = (BYTE *)m_piMalloc->Alloc(m_iEndSize); if(m_pbData == NULL) { Log (TEXT("Setup - Cannot allocate memory"), E_OUTOFMEMORY); Cleanup(); return E_OUTOFMEMORY; }
for (i=0; i < m_iEndSize; i++) m_pbData[i] = (BYTE)i;
m_iRepeatFactor = pInput->GetConfigInt(Name(), TEXT("RepeatFactor"), 1);
if (m_iRepeatFactor > MAX_REPS) m_iRepeatFactor = MAX_REPS;
// Figure out how many different sizes we're going to write.
// and the size of the final file.
m_ulTotalSize = 0; for(m_ulNumSizes = 0, i = m_iStartSize; i <= m_iEndSize; i *=2, m_ulNumSizes++) m_ulTotalSize += i * m_iRepeatFactor;
if (m_iRepeatFactor * m_ulNumSizes > MAX_READS) { Log(TEXT("Too many different sizes and/or repeat factor is too big"), E_FAIL); Cleanup(); return E_FAIL; }
m_flStandardCreateFlags = 0; // get file name to be used and values of other parameters
pInput->GetConfigString(Name(), TEXT("FileName"), TEXT("stgtest.bm"), m_pszFile, MAX_PATH);
pInput->GetConfigString(Name(), TEXT("WriteThrough"), TEXT("OFF"), pszValue, 15);
if (lstrcmpi(pszValue, TEXT("ON")) == 0) m_flStandardCreateFlags |= FILE_FLAG_WRITE_THROUGH;
pInput->GetConfigString(Name(), TEXT("AccessMode"), TEXT("NORMAL"), m_pszAccessMode, 15);
if (lstrcmpi(m_pszAccessMode, TEXT("ASYNC")) == 0) { m_flAccessMode = AM_ASYNC; m_flStandardCreateFlags |= FILE_FLAG_OVERLAPPED; } else if (lstrcmpi(m_pszAccessMode, TEXT("MAPPED")) == 0) { m_flAccessMode = AM_MAPPED; } else m_flAccessMode = AM_NORMAL;
pInput->GetConfigString(Name(), TEXT("Flush"), TEXT("OFF"), pszValue, 15);
if (lstrcmpi(pszValue, TEXT("ON")) == 0) m_bFlush = TRUE; else m_bFlush = FALSE;
pInput->GetConfigString(Name(), TEXT("ReadMode"), TEXT("SEQUENTIAL"), m_pszReadMode, 15);
if(lstrcmpi(m_pszReadMode, TEXT("SEQUENTIAL")) == 0) m_bSequentialRead = TRUE; else m_bSequentialRead = FALSE;
InitTimings();
return S_OK; }
void CFileIOTest::InitTimings() { ULONG i;
// initialize timing arrays
INIT_RESULTS(m_ulOpenFileW); INIT_RESULTS(m_ulClose1); INIT_RESULTS(m_ulOpenFileR); INIT_RESULTS(m_ulClose2);
ZERO_RESULTS(m_ulWriteTotal); ZERO_RESULTS(m_ulReadTotal); ZERO_RESULTS(m_ulSeekTotal);
INIT_RESULTS(m_ulCreateFileMappingW); INIT_RESULTS(m_ulMapViewW); INIT_RESULTS(m_ulCloseMap1); INIT_RESULTS(m_ulUnmapView1); ZERO_RESULTS(m_ulFlush1);
INIT_RESULTS(m_ulCreateFileMappingR); INIT_RESULTS(m_ulMapViewR); INIT_RESULTS(m_ulCloseMap2); INIT_RESULTS(m_ulUnmapView2); ZERO_RESULTS(m_ulFlush2);
for (i = 0; i < MAX_READS; i++) { INIT_RESULTS(m_ulWrite[i]); INIT_RESULTS(m_ulRead[i]); INIT_RESULTS(m_ulSeek[i]); }
for (i = 0; i < 2; i++ ) ZERO_RESULTS(m_ulTotal[i]);
}
SCODE CFileIOTest::Cleanup () { // delete the file
DeleteFile (m_pszFile); if(m_piMalloc) { if (m_pbData) m_piMalloc->Free(m_pbData);
m_pbData = NULL;
m_piMalloc->Release(); m_piMalloc = NULL;
}
UninitCOM();
return S_OK; }
SCODE CFileIOTest::Run () { CStopWatch sw; ULONG iIter; HANDLE hFile; ULONG cb; ULONG iSize; ULONG i, iCount; ULONG cbCurOffset;
// Async mode variables
OVERLAPPED ov; LPOVERLAPPED lpov; BOOL fRes;
// file-mapped mode variables
LPBYTE lpbFileData; HANDLE hMap;
ov.Offset = 0; ov.OffsetHigh = 0; ov.hEvent = NULL;
if (IsAsyncMode()) lpov = &ov; else lpov = NULL;
// create normal file and write some data to it
for (iIter = 0; iIter < m_ulIterations; iIter++) { sw.Reset(); hFile = CreateFile(m_pszFile, GENERIC_READ | GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, m_flStandardCreateFlags | FILE_ATTRIBUTE_NORMAL, NULL); m_ulOpenFileW[iIter] = sw.Read(); Log(TEXT("CreateFile for writing"), (hFile != INVALID_HANDLE_VALUE) ? S_OK : E_FAIL); if(hFile == INVALID_HANDLE_VALUE) return E_FAIL;
if (IsMappedMode()) // create file mapping
{
sw.Reset(); hMap = CreateFileMapping(hFile, NULL, PAGE_READWRITE, 0, m_ulTotalSize, NULL); m_ulCreateFileMappingW[iIter] = sw.Read();
Log(TEXT("CreateFileMapping"), (hMap != NULL) ? S_OK : E_FAIL); if(hMap == NULL) { TCHAR szBuf[80]; wsprintf(szBuf, TEXT("GetLastError = %ld , FileSize = %ld"), GetLastError(), m_ulTotalSize); Log(szBuf, E_FAIL); CloseHandle(hFile); return E_FAIL; }
sw.Reset(); lpbFileData = (LPBYTE)MapViewOfFile(hMap, FILE_MAP_WRITE, 0, 0, 0); m_ulMapViewW[iIter] = sw.Read();
Log(TEXT("MapViewOfFile"), (lpbFileData != NULL) ? S_OK : E_FAIL); if(lpbFileData == NULL) { TCHAR szBuf[80]; wsprintf(szBuf, TEXT("GetLastError = %ld"), GetLastError()); Log(szBuf, E_FAIL); CloseHandle(hMap); CloseHandle(hFile); return E_FAIL; }
}
cbCurOffset = 0; iCount = 0; for (iSize = m_iStartSize ; iSize <= m_iEndSize ; iSize *= 2) {
for (i = 0; i < m_iRepeatFactor; i++) { if (IsMappedMode()) { sw.Reset(); memcpy(lpbFileData + cbCurOffset, m_pbData, iSize); m_ulWrite[iCount][iIter] = sw.Read(); cb = iSize; // force correct cb for error check
} else { ov.Offset = cbCurOffset; sw.Reset(); fRes = WriteFile(hFile, (LPSTR)m_pbData, iSize, &cb, lpov); m_ulWrite[iCount][iIter] = sw.Read(); } m_ulWriteTotal[iIter] += m_ulWrite[iCount][iIter];
if (IsAsyncMode()) // if in async mode wait for result
{ if(!fRes) { Log(TEXT("Doing Actual Async call"), S_OK); GetOverlappedResult(hFile, lpov, &cb, TRUE); }
}
Log(TEXT("Writing data"), cb == iSize ? S_OK : E_FAIL);
cbCurOffset += iSize; iCount++; } } Log(TEXT("WriteFile X bytes"), S_OK );
if (IsMappedMode()) { if (m_bFlush) { sw.Reset(); fRes = FlushViewOfFile((LPVOID) lpbFileData, 0); m_ulFlush1[iIter] = sw.Read(); Log(TEXT("FlushViewOfFile"), fRes ? S_OK : E_FAIL); }
sw.Reset(); fRes = UnmapViewOfFile((LPVOID) lpbFileData); m_ulUnmapView1[iIter] = sw.Read(); Log(TEXT("UnmapViewOfFile"), fRes ? S_OK : E_FAIL); sw.Reset(); CloseHandle(hMap); m_ulCloseMap1[iIter] = sw.Read(); Log(TEXT("CloseHandle of file-mapping"), S_OK); } else if (m_bFlush) { sw.Reset(); fRes = FlushFileBuffers(hFile); m_ulFlush1[iIter] = sw.Read(); Log(TEXT("FlushFileBuffers"), fRes ? S_OK : E_FAIL); }
sw.Reset(); CloseHandle(hFile); m_ulClose1[iIter] = sw.Read();
m_ulTotal[0][iIter] = m_ulOpenFileW[iIter] + m_ulWriteTotal[iIter] + m_ulFlush1[iIter] + m_ulClose1[iIter];
if (IsMappedMode()) { m_ulTotal[0][iIter] += m_ulCreateFileMappingW[iIter] + m_ulMapViewW[iIter] + m_ulUnmapView1[iIter] + m_ulCloseMap1[iIter]; }
}
// try to read from that file
for (iIter = 0; iIter < m_ulIterations; iIter++) { sw.Reset(); hFile = CreateFile(m_pszFile, GENERIC_READ, 0, NULL, OPEN_EXISTING, m_flStandardCreateFlags | FILE_ATTRIBUTE_NORMAL, NULL); m_ulOpenFileR[iIter] = sw.Read(); Log(TEXT("CreateFile for reading"), (hFile != INVALID_HANDLE_VALUE) ? S_OK : E_FAIL); if(hFile == INVALID_HANDLE_VALUE) return E_FAIL;
if (IsMappedMode()) // create file mapping
{ sw.Reset(); hMap = CreateFileMapping(hFile, NULL, PAGE_READONLY, 0, 0, NULL); m_ulCreateFileMappingR[iIter] = sw.Read();
Log(TEXT("CreateFileMapping"), (hMap != NULL) ? S_OK : E_FAIL); if(hMap == NULL) { CloseHandle(hFile); return E_FAIL; }
sw.Reset(); lpbFileData = (LPBYTE)MapViewOfFile(hMap, FILE_MAP_READ, 0, 0, 0); m_ulMapViewR[iIter] = sw.Read();
Log(TEXT("MapViewOfFile"), (lpbFileData != NULL) ? S_OK : E_FAIL); if(lpbFileData == NULL) { CloseHandle(hMap); CloseHandle(hFile); return E_FAIL; }
}
cbCurOffset = 0; iCount = 0;
if (m_bSequentialRead) { for (iSize = m_iStartSize ; iSize <= m_iEndSize ; iSize *= 2) { for (i =0; i < m_iRepeatFactor; i++) { if (IsMappedMode()) { sw.Reset(); memcpy(m_pbData, lpbFileData + cbCurOffset, iSize); m_ulRead[iCount][iIter] = sw.Read(); cb = iSize; // force correct cb for error check
} else { ov.Offset = cbCurOffset; sw.Reset(); fRes = ReadFile(hFile, (LPSTR)m_pbData, iSize, &cb, lpov); m_ulRead[iCount][iIter] = sw.Read(); } m_ulReadTotal[iIter] += m_ulRead[iCount][iIter];
if (IsAsyncMode()) // in async mode wait for result
{ if(!fRes) { Log(TEXT("Doing Actual Async call"), S_OK); GetOverlappedResult(hFile, lpov, &cb, TRUE); }
}
Log(TEXT("Reading data"), cb == iSize ? S_OK : E_FAIL);
cbCurOffset += iSize; iCount++; } }
Log(TEXT("ReadFile Sequential"), S_OK); } else { cbCurOffset = m_ulTotalSize; for (iSize = m_iStartSize ; iSize <= m_iEndSize ; iSize *= 2) { for ( i =0; i< m_iRepeatFactor; i++) { cbCurOffset -= iSize; ov.Offset = cbCurOffset;
if (IsNormalMode()) { sw.Reset(); SetFilePointer(hFile, cbCurOffset, NULL, FILE_BEGIN); m_ulSeek[iCount][iIter] = sw.Read(); m_ulSeekTotal[iIter] += m_ulSeek[iCount][iIter]; } if (IsMappedMode()) { sw.Reset(); memcpy(m_pbData, lpbFileData + cbCurOffset, iSize); m_ulRead[iCount][iIter] = sw.Read(); cb = iSize; // force correct cb for error check.
} else { sw.Reset(); fRes = ReadFile(hFile, (LPSTR)m_pbData, iSize, &cb, lpov); m_ulRead[iCount][iIter] = sw.Read(); } m_ulReadTotal[iIter] = m_ulRead[iCount][iIter];
if (IsAsyncMode()) { if(!fRes) { Log(TEXT("Doing Actual Async call"), S_OK); GetOverlappedResult(hFile, lpov, &cb, TRUE); } } Log(TEXT("Reading data"), cb == iSize ? S_OK : E_FAIL); iCount++; } } Log(TEXT("ReadFile Random"), S_OK); }
if (IsMappedMode()) { if (m_bFlush) { sw.Reset(); fRes = FlushViewOfFile((LPVOID) lpbFileData, 0); m_ulFlush2[iIter] = sw.Read(); Log(TEXT("FlushViewOfFile"), fRes ? S_OK : E_FAIL); }
sw.Reset(); fRes = UnmapViewOfFile((LPVOID) lpbFileData); m_ulUnmapView2[iIter] = sw.Read(); Log(TEXT("UnmapViewOfFile"), fRes ? S_OK : E_FAIL); sw.Reset(); CloseHandle(hMap); m_ulCloseMap2[iIter] = sw.Read(); Log(TEXT("CloseHandle of file-mapping"), S_OK); } else if ( m_bFlush) { sw.Reset(); fRes = FlushFileBuffers(hFile); m_ulFlush2[iIter] = sw.Read(); Log(TEXT("FlushFileBuffers"), fRes ? S_OK : E_FAIL); }
sw.Reset(); CloseHandle(hFile); m_ulClose2[iIter] = sw.Read(); Log(TEXT("CloseHandle of File"), S_OK);
m_ulTotal[1][iIter] = m_ulOpenFileR[iIter] + m_ulSeekTotal[iIter] + m_ulReadTotal[iIter] + m_ulFlush2[iIter] + m_ulClose2[iIter]; if (IsMappedMode()) { m_ulTotal[1][iIter] += m_ulCreateFileMappingR[iIter] + m_ulMapViewR[iIter] + m_ulUnmapView2[iIter] + m_ulCloseMap2[iIter]; } }
return S_OK; }
SCODE CFileIOTest::Report (CTestOutput &output) { TCHAR pszBuf[80]; ULONG i, iSize, iCount;
wsprintf(pszBuf, TEXT("File IO in %s Mode with %s Read/Writes"), m_pszAccessMode, m_pszReadMode); output.WriteSectionHeader (Name(), pszBuf, *m_pInput);
wsprintf(pszBuf, TEXT("WriteThrough is %s\n"), (m_flStandardCreateFlags & FILE_FLAG_WRITE_THROUGH) ? TEXT("ON") : TEXT("OFF")); output.WriteString (pszBuf);
wsprintf(pszBuf, TEXT("Flush is %s\n\n"), m_bFlush ? TEXT("ON") : TEXT("OFF")); output.WriteString (pszBuf);
output.WriteResults (TEXT("CreateFile WRITE "), m_ulIterations, m_ulOpenFileW);
if (IsMappedMode()) { output.WriteResults(TEXT("CreateFileMapping"), m_ulIterations, m_ulCreateFileMappingW);
output.WriteResults(TEXT("MapViewOfFile "), m_ulIterations, m_ulMapViewW); }
output.WriteString (TEXT("\n"));
iCount = 0; for (iSize = m_iStartSize ; iSize <= m_iEndSize ; iSize *= 2) { for (i = 0; i < m_iRepeatFactor; i++) {
wsprintf(pszBuf, TEXT("WriteFile %-9d"), iSize);
output.WriteResults (pszBuf, m_ulIterations, m_ulWrite[iCount]); iCount++; } }
output.WriteResults (TEXT("Write Total "), m_ulIterations, m_ulWriteTotal);
output.WriteString (TEXT("\n"));
if (IsMappedMode()) { if (m_bFlush) output.WriteResults(TEXT("FlushViewOfFile "), m_ulIterations, m_ulFlush1); output.WriteResults(TEXT("UnmapViewOfFile "), m_ulIterations, m_ulUnmapView1);
output.WriteResults(TEXT("CloseMapping "), m_ulIterations, m_ulCloseMap1); }
else if (m_bFlush) output.WriteResults(TEXT("FlushFileBuffers "), m_ulIterations, m_ulFlush1);
output.WriteResults (TEXT("CloseHandle "), m_ulIterations, m_ulClose1);
output.WriteResults (TEXT("Total "), m_ulIterations, m_ulTotal[0]); output.WriteString (TEXT("\n\n"));
output.WriteResults (TEXT("CreateFile READ "), m_ulIterations, m_ulOpenFileR);
if (IsMappedMode()) { output.WriteResults(TEXT("CreateFileMapping"), m_ulIterations, m_ulCreateFileMappingR);
output.WriteResults(TEXT("MapViewOfFile "), m_ulIterations, m_ulMapViewR); }
output.WriteString (TEXT("\n"));
iCount =0; for (iSize = m_iStartSize ; iSize <= m_iEndSize ; iSize *= 2) { for (i=0; i < m_iRepeatFactor; i++) { if (!m_bSequentialRead && IsNormalMode()) { wsprintf(pszBuf, TEXT("SetFilePosition %-9d"), m_iEndSize - iSize); output.WriteResults (pszBuf, m_ulIterations, m_ulSeek[iCount]); } wsprintf(pszBuf, TEXT("ReadFile %-9d"), iSize); output.WriteResults (pszBuf, m_ulIterations, m_ulRead[iCount]); iCount++; } }
if (!m_bSequentialRead && IsNormalMode()) output.WriteResults (TEXT("Seek Total "), m_ulIterations, m_ulSeekTotal);
output.WriteResults (TEXT("Read Total "), m_ulIterations, m_ulReadTotal);
output.WriteString (TEXT("\n"));
if (IsMappedMode()) { if (m_bFlush) output.WriteResults(TEXT("FlushViewOfFile "), m_ulIterations, m_ulFlush2);
output.WriteResults(TEXT("UnmapViewOfFile "), m_ulIterations, m_ulUnmapView2);
output.WriteResults(TEXT("CloseMapping "), m_ulIterations, m_ulCloseMap2);
} else if ( m_bFlush) output.WriteResults(TEXT("FlushFileBuffers "), m_ulIterations, m_ulFlush2);
output.WriteResults (TEXT("CloseHandle "), m_ulIterations, m_ulClose2);
output.WriteResults (TEXT("Total "), m_ulIterations, m_ulTotal[1]);
output.WriteString (TEXT("\n"));
return S_OK; }
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