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1 using System;
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2 using System.Collections.Generic;
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3 using System.Linq;
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4 using System.Text;
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5
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6 namespace Implab.Diagnostics {
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7 public class ConsoleTraceListener {
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8
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9 static readonly object _consoleLock = new object();
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10
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11 public void Subscribe() {
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12 LogChannel<TraceEvent>.Default.Events += Default_Events;
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13 }
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14
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15 public void Unsubscribe() {
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16 LogChannel<TraceEvent>.Default.Events -= Default_Events;
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17 }
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18
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19 void Default_Events(object sender, ValueEventArgs<TraceEvent> e) {
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20 LogEvent((TraceContext)sender, e.Value);
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21 }
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22
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23 void LogEvent(TraceContext context, TraceEvent evt) {
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24 var msg = new StringBuilder();
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25 for (int i = 0; i < context.CurrentOperation.Level; i++)
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26 msg.Append(" ");
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27 msg.Append(evt.EventType);
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28 msg.AppendFormat("[{0}]: ",context.ThreadId);
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29 msg.Append(evt.Message);
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30
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31 lock (_consoleLock) {
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32 Console.ForegroundColor = (ConsoleColor)(context.ThreadId % 15 + 1);
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33 Console.WriteLine(msg.ToString());
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34 }
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35 }
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36 }
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37 }
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