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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.IO;
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using System.Threading;
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using System.Globalization;
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using System.Timers;
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namespace CommService
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{
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/*
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*类名称：LogFile
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*创建人：韩荣伟
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*创建时间：2010-10-30
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*功能描述：log文件处理类
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*/
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class LogFile
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{
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private string sPath;
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//private static Mutex mut = new Mutex();
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//private static Mutex mutException = new Mutex();
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//private static LogFile inst = null;
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private Mutex mut = new Mutex();
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private Mutex mutException = new Mutex();
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//private LogFile inst = null;
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private string log;
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private DateTime dtNow;
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private bool logOn;
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private long maxSize;
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private string fname;
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private string sExceptionPath;
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private string sExceptionFName;
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public static int LOGLVL_DEBUG = -1;
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public static int LOGLVL_NORMAL = 0;
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public static int LOGLVL_ERROR = 1;
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private int nLogLvl_Min = LOGLVL_NORMAL;
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public string sRootPath;
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Log logWrite= new Log();
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/*
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*方法名称：instance
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*创建人：韩荣伟
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*创建时间：2010-10-30
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*参数描述：
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*返回描述：LogFile，LogFile实例
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*功能描述：生成LogFile实例
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*/
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//public static LogFile instance()
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//{
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// if (inst == null)
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// {
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// inst = new LogFile();
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// }
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// return inst;
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//}
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/*
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*方法名称：SetLogOn
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*创建人：韩荣伟
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*创建时间：2010-10-30
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*参数描述：bool on log开关，true 开，false 关
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*返回描述：void
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*功能描述：设置log开关
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*/
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public void SetLogMinLevel(string sLevelName)
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{
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if (sLevelName.CompareTo("DEBUG") == 0)
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{
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nLogLvl_Min = LOGLVL_DEBUG;
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}
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else if (sLevelName.CompareTo("NORMAL") == 0)
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{
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nLogLvl_Min = LOGLVL_NORMAL;
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}
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else if (sLevelName.CompareTo("ERROR") == 0)
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{
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nLogLvl_Min = LOGLVL_ERROR;
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}
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else
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{
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nLogLvl_Min = LOGLVL_NORMAL;
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}
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}
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/*
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*方法名称：CheckFSize
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*创建人：韩荣伟
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*创建时间：2010-10-30
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*参数描述：void
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*返回描述：void
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*功能描述：设置log开关
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*/
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private void CheckFSize(int nLogLevel)
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{
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string sFullPath = "";
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string sPrefix = "";
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string sFName = "";
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if (nLogLevel == LOGLVL_NORMAL || nLogLevel == LOGLVL_DEBUG)
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{
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sFullPath = sPath;
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sPrefix = "logbackup";
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sFName = fname;
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}
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else if (nLogLevel == LOGLVL_ERROR)
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{
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sFullPath = sExceptionPath;
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sPrefix = "errbackup";
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sFName = sExceptionFName;
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}
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//if (nLogLevel == LOGLVL_NORMAL)
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//{
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FileInfo fi = new FileInfo(sFullPath);
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if (fi.Exists && fi.Length >= maxSize)
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{
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string pathName = Path.GetDirectoryName(sFullPath);
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string newFName = sFName;
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DateTime dtNow = DateTime.Now;
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newFName = sPrefix + dtNow.ToString("_yyyyMMdd_HHmmss_fff", CultureInfo.InvariantCulture) + ".txt";
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try
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{
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fi.MoveTo(pathName + "\\" + newFName);
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}
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catch (Exception e1)
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{
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//fi.CopyTo(pathName + "\\" + newFName);
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//if ((nLogLevel == LOGLVL_NORMAL || nLogLevel == LOGLVL_DEBUG))
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//{
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// sPath = pathName + "\\log" + dtNow.ToString("_yyyyMMdd_HHmmss_fff", CultureInfo.InvariantCulture) + ".txt";
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//}
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//else if (nLogLevel == LOGLVL_ERROR)
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//{
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// sExceptionPath = pathName + "\\err" + dtNow.ToString("_yyyyMMdd_HHmmss_fff", CultureInfo.InvariantCulture) + ".txt";
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//}
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}
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}
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}
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/*
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*方法名称：init
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*创建人：韩荣伟
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*创建时间：2010-10-30
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*参数描述：string logPath 路径, string logFName文件名
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*返回描述：void
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*功能描述：初始化路径文件名
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*/
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public void init(string sAPPBase,string slogPath, string slogFName, string sExceptionPath, string sExceptionFName, long maxSizeInByte)
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{
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DirectoryInfo di = new DirectoryInfo(sAPPBase + slogPath);
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if (di.Exists == false)
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{
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di.Create();
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}
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sRootPath = sAPPBase + slogPath;
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sPath = sRootPath + "\\" + slogFName;
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logOn = true;
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maxSize = maxSizeInByte;
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fname = slogFName;
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di = new DirectoryInfo(sAPPBase + slogPath+sExceptionPath);
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if (di.Exists == false)
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{
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di.Create();
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}
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this.sExceptionPath = sAPPBase + slogPath + sExceptionPath + "\\"+ sExceptionFName;
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this.sExceptionFName = sExceptionFName;
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}
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/*
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*方法名称：write
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*创建人：韩荣伟
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*创建时间：2010-10-30
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*参数描述：string logstr 日志字符串
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*返回描述：void
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*功能描述：写入日志字符串
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*/
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public void write(string logstr, int nLogLevel)
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{
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if (nLogLevel < nLogLvl_Min ||logOn == false)
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return;
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//lock
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try
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{
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mut.WaitOne();
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{
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CheckFSize(nLogLevel);
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//format
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dtNow = DateTime.Now;
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log = dtNow.ToString("yyyy-MM-dd HH:mm:ss ", CultureInfo.InvariantCulture);
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log += logstr + "\r\n";
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//open file //write //close file
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try
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{
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//using (FileStream fs
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// = File.Open((nLogLevel == LOGLVL_ERROR ? sExceptionPath : sPath),
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// FileMode.OpenOrCreate | FileMode.Append))
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//{
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// Byte[] info = new UTF8Encoding(true).GetBytes(log);
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// // Add some information to the file.
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// fs.Write(info, 0, info.Length);
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// fs.Close();
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//}
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Msg msg = new Msg(log, nLogLevel == LOGLVL_ERROR ? sExceptionPath : sPath);
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logWrite.Write(msg);
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}
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catch (Exception e1)
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{
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}
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}
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mut.ReleaseMutex();
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}
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catch (Exception ex)
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{
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}
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//unlock
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}
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/*
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*方法名称：writeHexString
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*创建人：韩荣伟
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*创建时间：2010-10-30
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*参数描述：string logstr 日志字符串
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* string toHex 待转16进制码的字符串
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*返回描述：void
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*功能描述：写入日志字符串，和转16进制码的字符串
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*/
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public void writeHexString(string logstr, byte[] toHex, int nLogLevel)
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{
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if (nLogLevel < nLogLvl_Min || logOn == false)
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return;
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//lock
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try
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{
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mut.WaitOne();
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{
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CheckFSize(nLogLevel);
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//format
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dtNow = DateTime.Now;
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log = dtNow.ToString("yyyy-MM-dd HH:mm:ss ", CultureInfo.InvariantCulture);
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log += logstr;// +"\r\n";
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//open file //write //close file
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//FileInfo fi
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try
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{
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//using (FileStream fs
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// = File.Open((nLogLevel == LOGLVL_ERROR ? sExceptionPath : sPath),
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// FileMode.OpenOrCreate | FileMode.Append))
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//{
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string Hexstr = BitConverter.ToString(toHex).Replace("-", " ");
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// Byte[] info = new UTF8Encoding(true).GetBytes(log + Hexstr + "\r\n");
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// //// Add some information to the file.
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// fs.Write(info, 0, info.Length);
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// fs.Close();
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//}
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Msg msg = new Msg(log + Hexstr, nLogLevel == LOGLVL_ERROR ? sExceptionPath : sPath);
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logWrite.Write(msg);
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}
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catch (Exception e1)
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{
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}
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}
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mut.ReleaseMutex();
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}
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catch (Exception ex)
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{
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}
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}
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/*
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*方法名称：DeleteAtFolder
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*创建人：韩荣伟
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*创建时间：2010-10-30
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*参数描述：string dir 目录, string sFlag 文件前缀
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*返回描述：void
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*功能描述：删除过期文件
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*/
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public void DeleteAtFolder(string dir, string sFlag)
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{
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try
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{
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if (Directory.Exists(dir)) //如果存在这个文件夹删除之
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{
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string sBase = sFlag + "_000000_000.txt";
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foreach (string d in Directory.GetFileSystemEntries(dir))
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{
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if (File.Exists(d))
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{
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string sFileName = Path.GetFileName(d);
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if (sFileName.IndexOf("backup") > 0)
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{
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if (sFileName.Remove(0, 10).CompareTo(sBase) < 0)
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{
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File.Delete(d); //直接删除其中的文件
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}
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}
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}
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else
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DeleteAtFolder(d, sFlag); //递归删除子文件夹
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}
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}
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}
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catch (Exception e1)
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{
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}
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}
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}
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}
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