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implab » ImplabNet
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working on diagnostics
working on diagnostics
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r253:34df34841225 v3.0.1-beta v3
r285:b6924f444abd v3
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SimpleTraceListener.cs
113 lines | 4.3 KiB | text/x-csharp | CSharpLexer
/ Implab / Diagnostics / SimpleTraceListener.cs
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cin
Implab.Diagnostics drafts
 r253 using System;
using System.Diagnostics;
using System.IO;
namespace Implab.Diagnostics {
public class SimpleTraceListener : TextWriterTraceListener {
public SimpleTraceListener() {
}
public SimpleTraceListener(Stream stream) : base(stream) {
}
public SimpleTraceListener(TextWriter writer) : base(writer) {
}
public SimpleTraceListener(string fileName) : base(fileName) {
}
public SimpleTraceListener(Stream stream, string name) : base(stream, name) {
}
public SimpleTraceListener(TextWriter writer, string name) : base(writer, name) {
}
public SimpleTraceListener(string fileName, string name) : base(fileName, name) {
}
public override void TraceData(TraceEventCache eventCache, string source, TraceEventType eventType, int id, object data) {
switch (id) {
case TraceEventCodes.StartLogicalOperation:
TraceEvent(eventCache, source, eventType, id, "+{0}", data);
break;
case TraceEventCodes.StopLogicalOperation:
TraceEvent(eventCache, source, eventType, id, FormatStopLogicalOperation(data));
break;
default:
TraceEvent(eventCache, source, eventType, id, data?.ToString());
break;
}
}
string FormatStopLogicalOperation(object data) {
if (data is LogicalOperation op) {
return string.Format("-{0} ({1})", op, FormatTimespan(op.OperationStopwatch.Elapsed));
} else {
return data?.ToString();
}
}
string FormatTimespan(TimeSpan value) {
if (value.TotalSeconds < 10) {
return value.Milliseconds.ToString() + "ms";
} else if (value.TotalSeconds < 30) {
return string.Format("{0:0.###}s", value.TotalSeconds);
} else {
return value.ToString();
}
}
public override void TraceData(TraceEventCache eventCache, string source, TraceEventType eventType, int id, params object[] data) {
var prev = IndentLevel;
IndentLevel += eventCache.LogicalOperationStack.Count;
try {
base.TraceData(eventCache, source, eventType, id, data);
} finally {
IndentLevel = prev;
}
}
public override void TraceEvent(TraceEventCache eventCache, string source, TraceEventType eventType, int id) {
var prev = IndentLevel;
IndentLevel += eventCache.LogicalOperationStack.Count;
try {
base.TraceEvent(eventCache, source, eventType, id);
} finally {
IndentLevel = prev;
}
}
public override void TraceEvent(TraceEventCache eventCache, string source, TraceEventType eventType, int id, string format, params object[] args) {
TraceEvent(eventCache, source, eventType, id, String.Format(format, args));
}
public override void TraceEvent(TraceEventCache eventCache, string source, TraceEventType eventType, int id, string message) {
var prev = IndentLevel;
IndentLevel += eventCache.LogicalOperationStack.Count;
try {
LogicalOperation operation = null;
if (eventCache.LogicalOperationStack.Count > 0)
operation = eventCache.LogicalOperationStack.Peek() as LogicalOperation;
if (operation != null) {
base.TraceData(eventCache, source, eventType, id, FormatTimespan(operation.OperationStopwatch.Elapsed) + ": " + message);
} else {
base.TraceData(eventCache, source, eventType, id, message);
}
} finally {
IndentLevel = prev;
}
}
public override void TraceTransfer(TraceEventCache eventCache, string source, int id, string message, Guid relatedActivityId) {
var prev = IndentLevel;
IndentLevel += eventCache.LogicalOperationStack.Count;
try {
base.TraceTransfer(eventCache, source, id, message, relatedActivityId);
} finally {
IndentLevel = prev;
}
}
}
}