112 lines
3.2 KiB
C#
112 lines
3.2 KiB
C#
using System;
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using System.Diagnostics;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using System.Reflection;
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namespace ln.logging
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{
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public class Logger
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{
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public static ConsoleLogger ConsoleLogger { get; } = new ConsoleLogger();
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public static Logger Default { get; set; } = new Logger(ConsoleLogger);
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public static TextWriter SysOut = Console.Out;
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public static TextWriter SysError = Console.Error;
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public static void CaptureConsole(Logger logger)
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{
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LoggingWriter outWriter = new LoggingWriter(logger);
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Console.SetOut(outWriter);
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LoggingWriter errorWriter = new LoggingWriter(logger, LogLevel.ERROR);
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Console.SetError(errorWriter);
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}
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public HashSet<ILoggingBackend> Backends { get; } = new HashSet<ILoggingBackend>();
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public Logger(ILoggingBackend backend)
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{
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Backends.Add(backend);
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}
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public Logger(Stream logStream)
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{
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Backends.Add(new FileLogger(logStream));
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}
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public void Log(LogLevel level,string message, params object[] args)
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{
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Log(level,String.Format(message, args));
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}
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public void Log(string message,params object[] args){
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Log(LogLevel.INFO,String.Format(message, args));
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}
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public void Log(string message)
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{
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Log(LogLevel.INFO, message);
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}
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public void Log(LogLevel level,string message)
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{
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string[] lines = message.Split('\n');
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lines[0] = String.Format("{0} [{1}] [ {3,-10} ] {2}",
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DateTime.Now.ToLocalTime(),
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Process.GetCurrentProcess().Id,
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lines[0],
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level.ToString()
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);
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for (int n = 1; n < lines.Length; n++){
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lines[n] = " " + lines[n];
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}
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Send(level,lines);
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}
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private void Send(LogLevel logLevel,String[] lines)
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{
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foreach (ILoggingBackend backend in Backends)
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backend.Message(logLevel,lines);
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}
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public void Log(Exception exception)
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{
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StringBuilder stringBuilder = new StringBuilder();
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stringBuilder.AppendFormat("Exception {0} [{1}]\n", exception.GetType().Name,exception.Message);
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StackTrace stackTrace = new StackTrace(exception, true);
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foreach (StackFrame stackFrame in stackTrace.GetFrames())
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{
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MethodBase methodBase = stackFrame.GetMethod();
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MethodBody methodBody = methodBase.GetMethodBody();
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stringBuilder.AppendFormat(" {0} in {1}:{2}\n",
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methodBase.Name,
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stackFrame.GetFileName(),
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stackFrame.GetFileLineNumber()
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);
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//if (methodBody != null)
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//{
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// foreach (LocalVariableInfo lvi in methodBody.LocalVariables)
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// {
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// stringBuilder.AppendFormat(" {0}\n", lvi);
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// }
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//}
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}
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Log(LogLevel.ERROR, stringBuilder.ToString());
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}
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}
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}
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