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comparison Implab/Diagnostics/SimpleTraceListener.cs @ 253:34df34841225 v3 v3.0.1-beta

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Implab.Diagnostics drafts
author cin
date Mon, 12 Feb 2018 17:03:37 +0300
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252:6f4630d0bcd9 253:34df34841225
1 using System;
2 using System.Diagnostics;
3 using System.IO;
4
5 namespace Implab.Diagnostics {
6 public class SimpleTraceListener : TextWriterTraceListener {
7 public SimpleTraceListener() {
8 }
9
10 public SimpleTraceListener(Stream stream) : base(stream) {
11 }
12
13 public SimpleTraceListener(TextWriter writer) : base(writer) {
14 }
15
16 public SimpleTraceListener(string fileName) : base(fileName) {
17 }
18
19 public SimpleTraceListener(Stream stream, string name) : base(stream, name) {
20 }
21
22 public SimpleTraceListener(TextWriter writer, string name) : base(writer, name) {
23 }
24
25 public SimpleTraceListener(string fileName, string name) : base(fileName, name) {
26 }
27
28 public override void TraceData(TraceEventCache eventCache, string source, TraceEventType eventType, int id, object data) {
29 switch (id) {
30 case TraceEventCodes.StartLogicalOperation:
31 TraceEvent(eventCache, source, eventType, id, "+{0}", data);
32 break;
33 case TraceEventCodes.StopLogicalOperation:
34 TraceEvent(eventCache, source, eventType, id, FormatStopLogicalOperation(data));
35 break;
36 default:
37 TraceEvent(eventCache, source, eventType, id, data?.ToString());
38 break;
39 }
40 }
41
42 string FormatStopLogicalOperation(object data) {
43 if (data is LogicalOperation op) {
44 return string.Format("-{0} ({1})", op, FormatTimespan(op.OperationStopwatch.Elapsed));
45 } else {
46 return data?.ToString();
47 }
48 }
49
50 string FormatTimespan(TimeSpan value) {
51 if (value.TotalSeconds < 10) {
52 return value.Milliseconds.ToString() + "ms";
53 } else if (value.TotalSeconds < 30) {
54 return string.Format("{0:0.###}s", value.TotalSeconds);
55 } else {
56 return value.ToString();
57 }
58 }
59
60 public override void TraceData(TraceEventCache eventCache, string source, TraceEventType eventType, int id, params object[] data) {
61 var prev = IndentLevel;
62 IndentLevel += eventCache.LogicalOperationStack.Count;
63 try {
64 base.TraceData(eventCache, source, eventType, id, data);
65 } finally {
66 IndentLevel = prev;
67 }
68 }
69
70 public override void TraceEvent(TraceEventCache eventCache, string source, TraceEventType eventType, int id) {
71 var prev = IndentLevel;
72 IndentLevel += eventCache.LogicalOperationStack.Count;
73 try {
74 base.TraceEvent(eventCache, source, eventType, id);
75 } finally {
76 IndentLevel = prev;
77 }
78 }
79
80 public override void TraceEvent(TraceEventCache eventCache, string source, TraceEventType eventType, int id, string format, params object[] args) {
81 TraceEvent(eventCache, source, eventType, id, String.Format(format, args));
82 }
83
84 public override void TraceEvent(TraceEventCache eventCache, string source, TraceEventType eventType, int id, string message) {
85 var prev = IndentLevel;
86 IndentLevel += eventCache.LogicalOperationStack.Count;
87 try {
88 LogicalOperation operation = null;
89 if (eventCache.LogicalOperationStack.Count > 0)
90 operation = eventCache.LogicalOperationStack.Peek() as LogicalOperation;
91
92 if (operation != null) {
93 base.TraceData(eventCache, source, eventType, id, FormatTimespan(operation.OperationStopwatch.Elapsed) + ": " + message);
94 } else {
95 base.TraceData(eventCache, source, eventType, id, message);
96 }
97 } finally {
98 IndentLevel = prev;
99 }
100 }
101
102 public override void TraceTransfer(TraceEventCache eventCache, string source, int id, string message, Guid relatedActivityId) {
103 var prev = IndentLevel;
104 IndentLevel += eventCache.LogicalOperationStack.Count;
105 try {
106 base.TraceTransfer(eventCache, source, id, message, relatedActivityId);
107 } finally {
108 IndentLevel = prev;
109 }
110 }
111
112
113 }
114 }