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