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annotate Implab/Diagnostics/Trace.cs @ 243:b1e0ffdf3451 v3

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working on promises
author cin
date Wed, 24 Jan 2018 19:24:10 +0300
parents babe55c34931
children 6f4630d0bcd9
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1 using System;
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2 using System.Collections.Generic;
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3 using System.Diagnostics;
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4 using System.Linq;
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5 using System.Text;
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6 using System.Threading.Tasks;
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7
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8 namespace Implab.Diagnostics {
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9 public static class Trace<T> {
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10
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11 readonly static LogChannel<TraceEvent> _channel = new LogChannel<TraceEvent>(typeof(T).Name);
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12
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13 public static LogChannel<TraceEvent> Channel {
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14 get { return _channel; }
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15 }
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16
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17 /// <summary>
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18 /// Starts the logical operation nested to the current operation nested to the current one.
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19 /// </summary>
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20 [Conditional("TRACE")]
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21 public static void StartLogicalOperation() {
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22 TraceContext.Instance.StartLogicalOperation();
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23
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24 }
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25
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26 /// <summary>
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27 /// Starts the logical operation with the specified name, this name is usefull in logs.
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28 /// </summary>
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29 /// <param name="name">Name.</param>
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30 [Conditional("TRACE")]
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31 public static void StartLogicalOperation(string name) {
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32 Channel.LogEvent(new TraceEvent(TraceContext.Instance.CurrentOperation, TraceEventType.OperationStarted, name));
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33 TraceContext.Instance.StartLogicalOperation(name);
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34 }
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35
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36 /// <summary>
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37 /// Ends the logical operation and restores the previous one.
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38 /// </summary>
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39 [Conditional("TRACE")]
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40 public static void EndLogicalOperation() {
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41 var op = TraceContext.Instance.EndLogicalOperation();
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42 Channel.LogEvent(new TraceEvent(op, TraceEventType.OperationCompleted, String.Format("-{0} : {1}ms", op.Name, op.Duration)));
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43 }
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44
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45 /// <summary>
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46 /// Writes an informational message.
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47 /// </summary>
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48 /// <param name="format">Format.</param>
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49 /// <param name="arguments">Arguments.</param>
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50 [Conditional("TRACE")]
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51 public static void Log(string format, params object[] arguments) {
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52 Channel.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Information, format, arguments));
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53 }
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54
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55 /// <summary>
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56 /// Writes a warning message.
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57 /// </summary>
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58 /// <param name="format">Format.</param>
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59 /// <param name="arguments">Arguments.</param>
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60 [Conditional("TRACE")]
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61 public static void Warn(string format, params object[] arguments) {
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62 Channel.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Warning, format, arguments));
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63 }
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64
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65 [Conditional("TRACE")]
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66 public static void Error(string format, params object[] arguments) {
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67 Channel.LogEvent(TraceEvent.Create(TraceContext.Instance.CurrentOperation, TraceEventType.Error, format, arguments));
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68 }
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69
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70 [Conditional("TRACE")]
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71 public static void Error(Exception err) {
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72 Error("{0}", err);
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73 }
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74 }
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75 }