77 lines
2.0 KiB
C#
77 lines
2.0 KiB
C#
using System;
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using System.Configuration;
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using System.IO;
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using System.Threading;
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namespace Plane.Logging
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{
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public class LocalFileLogger : Logger
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{
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private string _logDirPath = Path.Combine(
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Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData),
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"Plane",
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ConfigurationManager.AppSettings["LogEntry"] ?? AppDomain.CurrentDomain.FriendlyName,
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"Logs"
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);
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private object _logLock = new object();
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public LocalFileLogger()
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{
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}
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public LocalFileLogger(ILogger loggerToDecorate) : base(loggerToDecorate)
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{
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}
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private string LogDirPath
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{
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get
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{
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if (!Directory.Exists(_logDirPath))
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{
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Directory.CreateDirectory(_logDirPath);
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}
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return _logDirPath;
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}
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}
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private string LogFilePath
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{
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get
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{
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return Path.Combine(LogDirPath, DateTime.Today.ToString("yyyyMMdd") + ".log");
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}
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}
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public override string ReadLog()
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{
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string text = "";
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if (File.Exists(LogFilePath))
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text = File.ReadAllText(LogFilePath);
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return text;
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}
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protected override void LogCore(string message, Category category, Priority priority)
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{
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lock (_logLock)
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{
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// TODO: 林俊清，20150605，应改为不使用 AppendAllText，提高性能。
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for (int i = 0; i < 5; i++)
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{
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try
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{
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File.AppendAllText(LogFilePath,
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BuildStandardLogEntry(message, category, priority));
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break;
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}
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catch (IOException)
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{
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Thread.Sleep(100);
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}
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}
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}
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}
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}
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}
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