531 lines
12 KiB
C#
531 lines
12 KiB
C#
using System;
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using System.IO;
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using System.Diagnostics;
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using System.Collections;
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using System.Runtime.CompilerServices;
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using System.Collections.Generic;
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using System.Collections.Immutable;
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using System.Reflection;
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using System.Collections.Concurrent;
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using System.Linq;
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using System.Threading;
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using System.Security.Cryptography.X509Certificates;
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//using System.Threading.Tasks;
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static public class log
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{
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[Flags]
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public enum LogType
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{
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Invalid = 0,
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Trace = 1,
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Debug = 2,
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Info = 3,
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High = 4,
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Warn = 5,
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Error = 6,
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Fatal = 7,
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}
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[Flags]
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public enum Endpoints
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{
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None = 0,
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File = 1 << 0,
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Console = 1 << 1,
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All = File | Console,
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}
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public struct LogEvent
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{
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public DateTime Time;
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public LogType LogType;
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public string Msg;
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public string Path;
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public int Line;
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public string Member;
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public string Cat;
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public object Obj;
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static ImmutableDictionary<int, string> s_shortname = ImmutableDictionary<int, string>.Empty;
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public LogEvent( LogType logType, string msg, string path, int line, string member, string cat, object obj )
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{
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//Cache the automatic category names
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if( string.IsNullOrEmpty( cat ) )
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{
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var pathHash = path.GetHashCode();
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if( s_shortname.TryGetValue( pathHash, out var autoCat ) )
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{
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cat = autoCat;
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}
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else
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{
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var pathPieces = path.Split( '\\' );
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if(pathPieces.Length < 2)
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{
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pathPieces = path.Split('/');
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}
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var lastDir = pathPieces[ pathPieces.Length - 2 ];
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ImmutableInterlocked.AddOrUpdate( ref s_shortname, pathHash, lastDir, ( key, value ) => { return lastDir; } );
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cat = lastDir;
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}
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}
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Time = DateTime.Now;
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LogType = logType;
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Msg = msg;
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Path = path;
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Line = line;
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Member = member;
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Cat = cat;
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Obj = obj;
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}
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}
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public delegate void Log_delegate( LogEvent evt );
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static ImmutableDictionary<int, string> s_files = ImmutableDictionary<int, string>.Empty;
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static public string whatFile(string path)
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{
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var file = "";
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var pathHash = path.GetHashCode();
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if (s_files.TryGetValue(pathHash, out var autoCat))
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{
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file = autoCat;
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}
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else
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{
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var pathPieces = path.Split('\\');
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if (pathPieces.Length < 2)
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{
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pathPieces = path.Split('/');
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}
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var lastDir = pathPieces[pathPieces.Length - 1];
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ImmutableInterlocked.AddOrUpdate(ref s_files, pathHash, lastDir, (key, value) => { return lastDir; });
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file = lastDir;
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}
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return file;
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}
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static public void create( string filename, Endpoints endpoints )
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{
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startup( filename, endpoints );
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}
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static public void destroy()
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{
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string msg = "==============================================================================\nLogfile shutdown at " + DateTime.Now.ToString();
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var evt = CreateLogEvent( LogType.Info, msg, "System", null );
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s_events.Enqueue( evt );
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stop();
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}
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static LogEvent CreateLogEvent( LogType logType, string msg, string cat, object obj, [CallerFilePath] string path = "", [CallerLineNumber] int line = -1, [CallerMemberName] string member = "" )
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{
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var logEvent = new LogEvent( logType, msg, path, line, member, cat, obj );
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return logEvent;
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}
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static internal ConcurrentQueue<LogEvent> s_events = new ConcurrentQueue<LogEvent>();
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static private Thread s_thread;
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/*
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static public Log log
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{
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get
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{
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return s_log;
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}
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}
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*/
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static public string relativePath( string fullPath )
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{
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var cwd = Directory.GetCurrentDirectory();
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var rel = fullPath.Substring( cwd.Length + 1 );
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return rel;
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}
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static public string thisFilePath( [CallerFilePath] string path = "" )
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{
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return relativePath( path );
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}
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// Forwards.
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static public void fatal( string msg, string cat = "", object obj = null, [CallerFilePath] string path = "", [CallerLineNumber] int line = -1, [CallerMemberName] string member = "" )
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{
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logBase( msg, LogType.Fatal, path, line, member, cat, obj );
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}
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static public void error( string msg, string cat = "", object obj = null, [CallerFilePath] string path = "", [CallerLineNumber] int line = -1, [CallerMemberName] string member = "" )
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{
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logBase( msg, LogType.Error, path, line, member, cat, obj );
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}
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static public void warn( string msg, string cat = "", object obj = null, [CallerFilePath] string path = "", [CallerLineNumber] int line = -1, [CallerMemberName] string member = "" )
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{
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logBase( msg, LogType.Warn, path, line, member, cat, obj );
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}
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static public void high(string msg, string cat = "", object obj = null, [CallerFilePath] string path = "", [CallerLineNumber] int line = -1, [CallerMemberName] string member = "")
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{
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logBase(msg, LogType.High, path, line, member, cat, obj);
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}
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static public void info( string msg, string cat = "", object obj = null,
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[CallerFilePath] string path = "", [CallerLineNumber] int line = -1, [CallerMemberName] string member = "" )
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{
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logBase( msg, LogType.Info, path, line, member, cat, obj );
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}
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static public void debug( string msg, string cat = "", object obj = null, [CallerFilePath] string path = "", [CallerLineNumber] int line = -1, [CallerMemberName] string member = "" )
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{
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logBase( msg, LogType.Debug, path, line, member, cat, obj );
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}
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static public void trace( string msg, string cat = "", object obj = null, [CallerFilePath] string path = "", [CallerLineNumber] int line = -1, [CallerMemberName] string member = "" )
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{
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logBase( msg, LogType.Trace, path, line, member, cat, obj );
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}
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static object s_lock = new object();
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static public void logBase_old( string msg, LogType type = LogType.Debug, string path = "", int line = -1, string member = "", string cat = "unk", object obj = null )
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{
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// @@@@@ TODO Get rid of this lock.
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var evt = new LogEvent( type, msg, path, line, member, cat, obj );
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lock( s_lock )
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{
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writeToAll( evt );
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}
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}
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static public void logBase( string msg, LogType type = LogType.Debug, string path = "", int line = -1, string member = "", string cat = "unk", object obj = null )
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{
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var evt = new LogEvent( type, msg, path, line, member, cat, obj );
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s_events.Enqueue( evt );
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}
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static public void logProps( object obj, string header, LogType type = LogType.Debug, string cat = "", string prefix = "", [CallerFilePath] string path = "", [CallerLineNumber] int line = -1, [CallerMemberName] string member = "" )
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{
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var list = refl.GetAllProperties( obj.GetType() );
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lock( s_lock )
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{
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var evt = new LogEvent( type, header, path, line, member, cat, obj );
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//var evt = CreateLogEvent( type, header, cat, obj );
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//lock( s_log )
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{
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//var evt = CreateLogEvent( type, header, cat, obj );
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s_events.Enqueue( evt );
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//s_log.writeToAll( evt );
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foreach( var pi in list )
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{
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try
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{
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var v = pi.GetValue( obj );
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logBase( $"{prefix}{pi.Name} = {v}", type, path, line, member, cat );
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}
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catch( Exception ex )
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{
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logBase( $"Exception processing {pi.Name} {ex.Message}", LogType.Error, "log" );
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}
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}
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}
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}
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}
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//This might seem a little odd, but the intent is that usually you wont need to set notExpectedValue.
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static public void expected<T>( T value, string falseString, string trueString = "", T notExpectedValue = default( T ) )
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{
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if( !value.Equals( notExpectedValue ) )
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{
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log.info( $"Properly got {value}{trueString}" );
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}
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else
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{
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log.warn( $"Got {notExpectedValue} instead of {value}{falseString}" );
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}
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}
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static Endpoints s_endpoints = Endpoints.Console;
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static void startup( string filename, Endpoints endpoints )
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{
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var start = new ThreadStart( run );
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s_thread = new Thread( start );
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s_thread.Start();
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//TODO: Fix this so itll work without a directory.
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Directory.CreateDirectory( Path.GetDirectoryName( filename ) );
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string dir = Path.GetDirectoryName( filename );
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if( dir.Length > 0 )
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{
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Directory.CreateDirectory( dir );
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}
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s_stream = new FileStream( filename, FileMode.Append, FileAccess.Write );
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s_writer = new StreamWriter( s_stream );
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s_errorStream = new FileStream( filename + ".error", FileMode.Append, FileAccess.Write );
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s_errorWriter = new StreamWriter( s_errorStream );
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//Debug.Listeners.Add( this );
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//var evt = CreateLogEvent( LogType.Info, $"startup", "System", null );
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//s_events.Enqueue( evt );
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/*
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if( (endpoints & Endpoints.Console) == Endpoints.Console )
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{
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addDelegate(WriteToConsole);
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}
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*/
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info( $"startup" );
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}
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static bool s_running = true;
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static void run()
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{
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while( s_running )
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{
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while( s_events.TryDequeue( out var evt ) )
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{
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writeToAll( evt );
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}
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// TODO PERF Replace this with a semaphore/mutex
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Thread.Sleep( 0 );
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}
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}
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static void stop()
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{
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s_running = false;
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s_writer.Close();
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s_stream.Close();
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s_errorWriter.Close();
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s_errorStream.Close();
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}
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static public void addDelegate( Log_delegate cb )
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{
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s_delegates.Add( cb );
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}
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public static char getSymbol( LogType type )
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{
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switch( type )
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{
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case LogType.Trace:
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return ' ';
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case LogType.Debug:
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return ' ';
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case LogType.Info:
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return ' ';
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case LogType.High:
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return '+';
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case LogType.Warn:
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return '+';
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case LogType.Error:
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return '*';
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case LogType.Fatal:
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return '*';
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default:
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return '?';
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}
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}
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private static void setConsoleColor( log.LogEvent evt )
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{
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switch( evt.LogType )
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{
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case log.LogType.Trace:
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Console.ForegroundColor = ConsoleColor.DarkGray;
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break;
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case log.LogType.Debug:
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Console.ForegroundColor = ConsoleColor.Gray;
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break;
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case log.LogType.Info:
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Console.ForegroundColor = ConsoleColor.DarkGreen;
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break;
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case log.LogType.High:
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Console.ForegroundColor = ConsoleColor.Cyan;
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break;
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case log.LogType.Warn:
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Console.ForegroundColor = ConsoleColor.Yellow;
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break;
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case log.LogType.Error:
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Console.ForegroundColor = ConsoleColor.DarkRed;
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Console.BackgroundColor = ConsoleColor.DarkGray;
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break;
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case log.LogType.Fatal:
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Console.ForegroundColor = ConsoleColor.Red;
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Console.BackgroundColor = ConsoleColor.DarkGray;
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break;
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}
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}
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static public string msgHeader( LogEvent evt )
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{
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char sym = getSymbol( evt.LogType );
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var truncatedCat = evt.Cat.Substring( 0, Math.Min( 8, evt.Cat.Length ) );
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var msgHdr = string.Format( "{0,-8}{1}| ", truncatedCat, sym );
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return msgHdr;
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}
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static public string msgFrom( LogEvent evt )
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{
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var msgHdr = msgHeader( evt );
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string finalLine = $"{msgHdr}{evt.Msg}";
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return finalLine;
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}
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static private void writeToAll( LogEvent evt )
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{
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try
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{
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// _SHOULDNT_ need this since we lock at the top.
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//lock( this )
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{
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var finalLine = msgFrom( evt );
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//Console.WriteLine( finalMsg );
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//Console.Out.Write( finalMsg );
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if( (s_endpoints & Endpoints.File) == Endpoints.File )
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{
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s_writer.WriteLine( finalLine );
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}
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if( (s_endpoints & Endpoints.Console) == Endpoints.Console )
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{
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setConsoleColor( evt );
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Console.WriteLine( finalLine );
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Console.ResetColor();
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}
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//Debug.WriteLine( finalLine );
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s_writer.Flush();
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foreach( Log_delegate cb in s_delegates )
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{
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cb( evt );
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}
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}
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}
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catch( Exception ex )
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{
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Console.WriteLine( "EXCEPTION DURING LOGGING" );
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Console.WriteLine( "EXCEPTION DURING LOGGING" );
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Console.WriteLine( "EXCEPTION DURING LOGGING" );
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Console.WriteLine( "EXCEPTION DURING LOGGING" );
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Console.WriteLine( "EXCEPTION DURING LOGGING" );
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Console.WriteLine( $"Exception {ex}" );
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Debug.WriteLine( "EXCEPTION DURING LOGGING" );
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Debug.WriteLine( "EXCEPTION DURING LOGGING" );
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Debug.WriteLine( "EXCEPTION DURING LOGGING" );
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Debug.WriteLine( "EXCEPTION DURING LOGGING" );
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Debug.WriteLine( "EXCEPTION DURING LOGGING" );
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Debug.WriteLine( $"Exception {ex}" );
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}
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}
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public static void WriteToConsole(LogEvent evt)
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{
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char sym = getSymbol(evt.LogType);
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var truncatedCat = evt.Cat.Substring(0, Math.Min(8, evt.Cat.Length));
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string finalLine = string.Format("{0,-8}{1}| {2}", truncatedCat, sym, evt.Msg);
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Console.WriteLine(finalLine);
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}
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private static Stream s_stream;
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private static StreamWriter s_writer;
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private static Stream s_errorStream;
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private static StreamWriter s_errorWriter;
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private static ArrayList s_delegates = new ArrayList();
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}
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