182 lines
4.9 KiB
C
182 lines
4.9 KiB
C
/*++
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Copyright (C) Microsoft Corporation, 1996 - 1999
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Module Name:
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DTCommon.c
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Abstract:
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Common stuff for the Data Tranfer tests
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Author:
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Brian Wong (t-bwong) 27-Mar-96
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Revision History:
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--*/
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#include <rpcperf.h>
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#include "DTCommon.h"
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//
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// Strings
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//
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const char *szFormatCantOpenTempFile="%s: cannot open %s.\n";
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const char *szFormatCantOpenServFile="%s: cannot open file on server.\n";
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//---------------------------------------------------------
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void PrintSysErrorStringA (DWORD dwWinErrCode)
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/*++
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Routine Description:
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Given a Win32 error code, print a string
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that describes the error condition.
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Arguments:
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dwWinErrCode - the error code.
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Return Value:
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NONE
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--*/
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{
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const DWORD ulBufLength = 255;
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char szErrorString[256];
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//
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// Use the Win32 API FormatMessage().
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//
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if (0 != FormatMessageA (FORMAT_MESSAGE_FROM_SYSTEM,
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NULL,
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dwWinErrCode,
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MAKELANGID (LANG_NEUTRAL, SUBLANG_NEUTRAL),
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szErrorString,
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ulBufLength,
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NULL))
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{
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printf(szErrorString);
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}
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return;
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}
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//---------------------------------------------------------
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BOOL CreateTempFile (LPCTSTR pszPath, // [in]
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LPCTSTR pszPrefix, // [in]
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DWORD ulLength, // [in]
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LPTSTR pszFileName) // [out]
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/*++
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Routine Description:
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Creates a temporary file.
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Arguments:
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pszPath - the system temp path is used of NULL
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pszPrefix - the prefix for the temporary file
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ulLength - the length of the file is set to this value
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pszFileName - where to store the name of the temporary file
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Return Value:
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TRUE if successful, FALSE otherwise
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--*/
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{
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static const char *szFuncName = "CreateTempFile";
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TCHAR pTempPath[MAX_PATH];
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HANDLE hFile;
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//
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// Use the Win32 API GetTempPath() if a path is not provide.
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//
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if (NULL == pszPath)
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GetTempPath (MAX_PATH, pTempPath);
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//
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// Note: GetTempFileName() also creates the file.
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//
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if (0 == GetTempFileName ((NULL == pszPath ? pTempPath : pszPath),
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pszPrefix,
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0,
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pszFileName))
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{
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printf("%s: GetTempFileName failed. %s\n",
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szFuncName);
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PrintSysErrorStringA(GetLastError());
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return FALSE;
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}
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//
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// If ulLength != 0, we set the temp file to the specified length.
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//
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if (ulLength != 0)
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{
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//
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// Open the file for writing.
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//
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hFile = CreateFile (pszFileName,
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GENERIC_WRITE,
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0,
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(LPSECURITY_ATTRIBUTES) NULL,
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CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL,
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(HANDLE) NULL
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);
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if (hFile == INVALID_HANDLE_VALUE)
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{
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printf(szFormatCantOpenTempFile,
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szFuncName,
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pszFileName);
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PrintSysErrorStringA(GetLastError());
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DeleteFile(pszFileName);
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return FALSE;
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}
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//
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// If SEND_BLANKS is defined, then we don't do any pre-initializing
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// of the files transferred. Otherwise, we fill the file up with
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// stuff. (See below.)
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//
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#ifdef SEND_BLANKS
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if (Length != SetFilePointer (hFile, ulLength, NULL, FILE_BEGIN))
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{
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DWORD dwErrCode = GetLastError();
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printf("%s: %ld.\n",
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szFuncName,
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dwErrCode);
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PrintSysErrorStringA(dwErrCode);
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CloseHandle (hFile);
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DeleteFile (pszFileName);
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return FALSE;
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}
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SetEndOfFile(hFile);
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#else // ! defined (SEND_BLANKS)
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//
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// Here we fill the file up with 8-byte blocks of the form
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// "#######<blank>", where ####### is a descending number
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// indicating the number of bytes till EOF. If the length
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// is not a multiple of 8, then the file is padded with $'s
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//
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{
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long i;
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DWORD dwBytesWritten;
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char pTempString[9];
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for (i = ulLength; i >= 8; i -= 8)
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{
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sprintf(pTempString, "%7ld ",i);
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WriteFile (hFile, pTempString, 8, &dwBytesWritten, NULL);
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}
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if (i > 0)
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{
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WriteFile (hFile, "$$$$$$$", i, &dwBytesWritten, NULL);
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}
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}
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#endif // SEND_BLANKS
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CloseHandle(hFile);
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}
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return TRUE;
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}
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