lyfz_repos/经典版源码/Others/lyfzCheckBackup/Global.cpp

#include "stdafx.h"
#include "Global.h"

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

CLock g_loglock;
TCHAR g_szDomain[64] = {0};
TCHAR g_szModuleFilePath[MAX_PATH + 1] = {0};

BOOL lyfzCopyFileEx(LPCTSTR lpExistingFileName, LPCTSTR lpNewFileName, const BOOL &bFailIfExists)
{
	// 1.如果是覆盖选项;
	if (!bFailIfExists)
		return CopyFile(lpExistingFileName, lpNewFileName, bFailIfExists);

	// 2.如果不是覆盖选项;
	TCHAR szNewFileName[1024] = { 0 };
	TCHAR szDrive[_MAX_DRIVE] = { 0 };
	TCHAR szDir[_MAX_DIR] = { 0 };
	TCHAR szFna[_MAX_FNAME] = { 0 };
	TCHAR szExt[_MAX_EXT] = { 0 };
#ifdef _UNICODE
	wsprintf(szNewFileName, _T("%s"), lpNewFileName);
#else
	sprintf(szNewFileName, _T("%s"), lpNewFileName);
#endif //#ifdef _UNICODE
	_tsplitpath(szNewFileName, szDrive, szDir, szFna, szExt);

	int nIndex = 1;
	while (PathFileExists(szNewFileName))
	{
#ifdef _UNICODE
		wsprintf(szNewFileName, _T("%s%s%s (%d)%s"), szDrive, szDir, szFna, nIndex++, szExt);
#else
		sprintf(szNewFileName, _T("%s%s%s (%d)%s"), szDrive, szDir, szFna, nIndex++, szExt);
#endif //#ifdef _UNICODE
	}

	return CopyFile(lpExistingFileName, szNewFileName, bFailIfExists);
}

void WriteLogin(CString str)	// 线程安全问题,如果同时有两个线程同时访问,可能存在线程安全问题;
{
	CAutoLock autolock(&g_loglock);
	try
	{
		CStdioFile fp;
		CString path = g_szModuleFilePath;
		path += _T("检测备份日志.txt");
		if (::PathFileExists(path))
		{
#ifndef _UNICODE
			fp.Open(path, CFile::modeWrite);
#else
			fp.Open(path, CFile::modeWrite | CFile::typeBinary | CFile::typeText);
#endif
			int length = fp.GetLength();
			if (length > 1024 * 1024)
			{
				fp.Close();
				::DeleteFile(path);		// 删除检测备份日志.txt
				return;
			}
			fp.SeekToEnd();
		}
		else
		{
#ifndef _UNICODE
			fp.Open(path, CFile::modeCreate | CFile::modeWrite);
#else
			fp.Open(path, CFile::modeCreate | CFile::modeWrite | CFile::typeBinary);
#endif //#ifndef _UNICODE
		}

		CString strMsg = _T("");
		strMsg.Format(_T("%s%s\n"), CTime::GetCurrentTime().Format(_T("%Y-%m-%d %H:%M:%S ")), str);
		fp.WriteString(strMsg);
		fp.Close();
	}
	catch (...)
	{
	}
}