// ErrLogFile.cpp: implementation of the CErrLogFile class.
//

#include "stdafx.h"
#include "LogFile.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CLogFile::CLogFile()
{
}

CLogFile::~CLogFile()
{
	fLog.Abort();
}
//////////////////////////////////////////////////////////////////////
// Name    :	InitErrLog
// Function:	Init  error log file 
// Input:
//				strFileName(file name)
// Output:		BOOL
//////////////////////////////////////////////////////////////////////
BOOL CLogFile::InitLog(CString strFileName)
{
	try
	{
		int iRet = fLog.Open(strFileName, CFile::modeCreate |
			CFile::modeWrite | CFile::modeNoTruncate | CFile::typeText | CFile::shareDenyNone);
		if (iRet == FALSE)
		{
			fLog.m_hFile = NULL;
			return FALSE;
		}
	
		fLog.SeekToEnd();
	}
	catch(CFileException *pEx)
	{
		fLog.m_hFile = NULL;
		pEx->Delete();
		return FALSE;
	}
	return TRUE;
}

//////////////////////////////////////////////////////////////////////
// Name    :	WriteLog
// Function:	Init  log file 
// Input:		CString strLogInfo
// Output:		BOOL
//////////////////////////////////////////////////////////////////////
BOOL CLogFile::WriteLog(CString strLogInfo)
{
	DWORD dwLength = strLogInfo.GetLength();
	if (dwLength > 1000)
	{
		char szTemp[30];
		strcpy(szTemp, _T("接收消息大于1000字節"));
		fLog.Write(szTemp, 30);
		return FALSE;
	}

	CTime tm = CTime::GetCurrentTime();
	char szTime[1050];
	CString strTime = tm.Format(" %Y-%m-%d  %H:%M:%S  ");
	strcpy(szTime, strTime);	//Add current time
	strcat(szTime, strLogInfo);	
	dwLength = strlen(szTime);	
	fLog.Write(szTime, dwLength);
	fLog.WriteString("\r\n");
	fLog.Flush();

	BackupFile();
	return TRUE;
}

//////////////////////////////////////////////////////////////////////
// Name    :	WriteErrLog
// Function:	Init  error log file 
// Input:		char *szBuffer, int iErrorCode
//				szBuffer = 內容, iErrorCode = 狀態類型
// Output:		void
//////////////////////////////////////////////////////////////////////
void CLogFile::WriteErrLog(char *szBuffer, int iErrorCode = 0)
{
	DWORD dwLength = strlen(szBuffer);
	if (dwLength > 1000)
	{
		char szTemp[30];
		strcpy(szTemp, _T("接收消息大于1000字節"));
		fLog.Write(szTemp, 30);
		return;
	}

	CTime tm = CTime::GetCurrentTime();
	char szTime[1050];
	CString strTime = tm.Format(" %Y-%m-%d  %H:%M:%S  ");
	char szTemp[10];
	sprintf(szTemp, "%4d", iErrorCode);
	strcpy(szTime, szTemp);		//Add ErrorCode
	strcat(szTime, strTime);	//Add current time
	strcat(szTime, szBuffer);	//Add error context
	dwLength = strlen(szTime);
	
	fLog.Write(szTime, dwLength);
	fLog.WriteString("\r\n");
	fLog.Flush();

	BackupFile();
}

void CLogFile::ClearContext()
{
	fLog.SetLength(0);
}

void CLogFile::BackupFile()
{
	CString strOldName,strNewName,strFilePath;
	CTime dtTime = CTime::GetCurrentTime();
	int iYear,iMonth,iDay;
	if(fLog.GetLength() > 10000000)
	{
		strOldName = fLog.GetFileName();
		iYear = dtTime.GetYear();
		iMonth = dtTime.GetMonth();
		iDay = dtTime.GetDay();
		strNewName.Format("%d%d%d",iYear,iMonth,iDay);
		strNewName = strNewName + strOldName;
		strFilePath = fLog.GetFilePath();
		fLog.Close();//文件重命名前必須關閉該文件
		fLog.Rename(strOldName,strNewName);//因為它是個CFile的靜態函數
		InitLog(strOldName);
	}
}

void CLogFile::WriteStatNum(char *szBuffer)
{
	DWORD dwLength = strlen(szBuffer);
	fLog.Write(szBuffer, dwLength);
	fLog.WriteString("\r\n");
	fLog.Flush();
}