Source code of Windows XP (NT5)
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/*++
Copyright (c) 2000 Microsoft Corporation
Module Name:
LogCollect.h
Abstract:
Author:
Hakki T. Bostanci (hakkib) 06-Apr-2000
Revision History:
--*/
#ifndef _LOGCOLLECT_H_
#define _LOGCOLLECT_H_
//////////////////////////////////////////////////////////////////////////
//
//
//
extern CLogWindow g_LogWindow;
//////////////////////////////////////////////////////////////////////////
//
//
//
class CLogCollector
{
public:
CLogCollector(
PCTSTR pLocalLogFileName,
PCTSTR pRemoteBaseDirName
)
{
// store the local log file name
m_pLocalLogFile = _tcsdupc(pLocalLogFileName);
// produce a remote file name based on time, user, machine name
SYSTEMTIME SystemTime;
GetLocalTime(&SystemTime);
m_pRemoteLogFile = bufprintf(
//LONG_PATH
_T("%s\\%02d-%02d-%04d_%02d-%02d-%02d_%s_%s.log"),
pRemoteBaseDirName,
SystemTime.wMonth,
SystemTime.wDay,
SystemTime.wYear,
SystemTime.wHour,
SystemTime.wMinute,
SystemTime.wSecond,
(PCTSTR) CUserName(),
(PCTSTR) CComputerName()
);
// create the worker thread
// we don't want a test thread to crash while a log copy is in progress,
// so make sure this thread runs in highest priority class
m_Thread = CThread(
CopyLogFileThreadProc,
this,
0,
0,
CREATE_SUSPENDED
);
SetThreadPriority(m_Thread, THREAD_PRIORITY_HIGHEST);
ResumeThread(m_Thread);
}
~CLogCollector()
{
// flush the log
g_pLog = new CLog;
// copy it to the server
CopyLogFile();
// wait for the worker thread to die
m_Thread.WaitForSingleObject();
}
private:
void CopyLogFile()
{
try
{
// copy (the last 8k of) the log file to the remote location
CInFile InFile(m_pLocalLogFile, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE);
COutFile OutFile(m_pRemoteLogFile, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE);
SetFilePointer(InFile, -1 * 8 * 1024, 0, FILE_END);
CopyFileContents(InFile, OutFile);
// get the current time
SYSTEMTIME st;
GetSystemTime(&st);
FILETIME ft;
SystemTimeToFileTime(&st, &ft);
// update the remote log file time
SetFileTime(OutFile, &ft, &ft, &ft);
}
catch (...)
{
// don't die on any exception...
}
}
static DWORD WINAPI CopyLogFileThreadProc(PVOID pThreadParameter)
{
// copy the log file every 5 minutes until the app is closed
CLogCollector *that = (CLogCollector *) pThreadParameter;
do
{
that->CopyLogFile();
}
while (g_LogWindow.WaitForSingleObject(5 * 60 * 1000) == WAIT_TIMEOUT);
return TRUE;
}
private:
CCppMem<TCHAR> m_pLocalLogFile;
CCppMem<TCHAR> m_pRemoteLogFile;
CThread m_Thread;
};
#endif //_LOGCOLLECT_H_