{

/**

CLog(const TCHAR* fileName);

~CLog();

bool Open(const TCHAR* fileName);

int Write(LOG_LEVEL logLevel, const TCHAR* data, int len);

void Close();

CSimpleLock m_lock;

HANDLE m_hFile;

{

assert(NULL != dateTime);

SYSTEMTIME sysTime;

GetLocalTime(&sysTime);

_stprintf(dateTime, _T("%04d-%02d-%02d %02d:%02d:%02d"),

sysTime.wYear, sysTime.wMonth, sysTime.wDay,

sysTime.wHour, sysTime.wMinute, sysTime.wSecond);

{

TCHAR text[MAX_LOG_LENGTH] = {};

va_list vl;

va_start( vl, fmt );

_vstprintf(text, fmt , vl);

va_end( vl);

// 最后的字符串处理

#ifdef _DEBUG

TCHAR dateTime[MAX_LOG_LENGTH] = {};

GetCurrentDateTime(dateTime);

_tprintf(_T("%s [%s] %s\r\n" ), dateTime, s_logInfo[ll], text);

#endif

Log()->Write(ll, text, _tcsclen(text));

:m_hFile(INVALID_HANDLE_VALUE)

{

#ifdef _DEBUG

if (!Open(fileName))

assert(0);

#else

Open(fileName);

#endif

{

Close();

m_hFile = CreateFile(fileName, GENERIC_WRITE,

0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);

if (INVALID_HANDLE_VALUE == m_hFile)

return false;

SetFilePointer(m_hFile, 0, 0, FILE_END);

return true;

{

TCHAR text[2*MAX_LOG_LENGTH+10] = {};

TCHAR dateTime[MAX_LOG_LENGTH] = {};

// 获取当前时间

GetCurrentDateTime(dateTime);

// log的格式, 时间 [等级] log内容

_stprintf(text, _T("%s [%s] %s\r\n"), dateTime, s_logInfo[logLevel], data);

if (INVALID_HANDLE_VALUE == m_hFile)

return -1;

CSimpleAutoLock autoLock(&m_lock);

DWORD dw = 0;

if (!WriteFile(m_hFile, text, _tcsclen(text)*sizeof(TCHAR), &dw, NULL))

return -2;

return (int)dw;

{

if (INVALID_HANDLE_VALUE != m_hFile)

{

CloseHandle(m_hFile);

m_hFile = INVALID_HANDLE_VALUE;

}