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Enable ETW error logging for S.SM.Federation #4391

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Oct 14, 2020
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Original file line number Diff line number Diff line change
Expand Up @@ -2,28 +2,20 @@
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.


using System.Diagnostics.CodeAnalysis;
using System.Runtime;
using System.Runtime.Diagnostics;

namespace System
{
internal static partial class FxTrace
internal static class FxTrace
{
private static ExceptionTrace s_exceptionTrace;
private const string baseEventSourceName = "System.ServiceModel";
private const string EventSourceVersion = "4.0.0.0";

private static Guid s_etwProviderId;
private static string s_eventSourceName;
private static EtwDiagnosticTrace s_diagnosticTrace;
private static ExceptionTrace s_exceptionTrace;
private static readonly object s_lockObject = new object();

[SuppressMessage(FxCop.Category.Performance, FxCop.Rule.AvoidUncalledPrivateCode,
Justification = "This template is shared across all assemblies, some of which use this accessor.")]


public static ExceptionTrace Exception
{
get
Expand All @@ -38,18 +30,6 @@ public static ExceptionTrace Exception
}
}

[SuppressMessage(FxCop.Category.Performance, FxCop.Rule.AvoidUncalledPrivateCode,
Justification = "This template is shared across all assemblies, some of which use this accessor.")]
public static EtwDiagnosticTrace Trace
{
get
{
EnsureEtwProviderInitialized();
return FxTrace.s_diagnosticTrace;
}
}


private static string EventSourceName
{
get
Expand All @@ -63,31 +43,33 @@ private static string EventSourceName
}
}

[SuppressMessage(FxCop.Category.ReliabilityBasic, FxCop.Rule.UseNewGuidHelperRule,
Justification = "This is a method that creates ETW provider passing Guid Provider ID.")]
private static EtwDiagnosticTrace InitializeTracing()
public static EtwDiagnosticTrace Trace
{
//Etw tracing is switched off by not enabling the session
s_etwProviderId = EtwDiagnosticTrace.DefaultEtwProviderId;

EtwDiagnosticTrace trace = new EtwDiagnosticTrace(baseEventSourceName, s_etwProviderId);

return trace;
get
{
EnsureEtwProviderInitialized();
return s_diagnosticTrace;
}
}


private static void EnsureEtwProviderInitialized()
{
if (null == FxTrace.s_diagnosticTrace)
if (null == s_diagnosticTrace)
{
lock (FxTrace.s_lockObject)
lock (s_lockObject)
{
if (null == FxTrace.s_diagnosticTrace)
if (null == s_diagnosticTrace)
{
FxTrace.s_diagnosticTrace = InitializeTracing();
s_diagnosticTrace = InitializeTracing();
}
}
}
}

private static EtwDiagnosticTrace InitializeTracing()
{
EtwDiagnosticTrace trace = new EtwDiagnosticTrace();
return trace;
}
}
}
17 changes: 17 additions & 0 deletions src/Common/src/Internals/System/Runtime/AssertHelper.cs
Original file line number Diff line number Diff line change
@@ -0,0 +1,17 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System.Diagnostics;

namespace System.Runtime
{
internal static class AssertHelper
{
internal static void FireAssert(string message)
{
Debug.Assert(false, message);
}
}
}

19 changes: 19 additions & 0 deletions src/Common/src/Internals/System/Runtime/DiagnosticStrings.cs
Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

namespace System.Runtime
{
internal static partial class DiagnosticStrings
{
internal const string DataTag = "Data";
internal const string DataItemsTag = "DataItems";
internal const string ExceptionStringTag = "ExceptionString";
internal const string ExceptionTag = "Exception";
internal const string ExceptionTypeTag = "ExceptionType";
internal const string KeyTag = "Key";
internal const string InnerExceptionTag = "InnerException";
internal const string MessageTag = "Message";
internal const string StackTraceTag = "StackTrace";
internal const string ValueTag = "Value";
}
}
Original file line number Diff line number Diff line change
@@ -0,0 +1,97 @@
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.

using System.Diagnostics;
using System.Text;

namespace System.Runtime.Diagnostics
{
internal abstract partial class DiagnosticTraceBase
{
public DiagnosticTraceBase()
{
}

//only used for exceptions, perf is not important
public static string XmlEncode(string text)
{
if (string.IsNullOrEmpty(text))
{
return text;
}

int len = text.Length;
StringBuilder encodedText = new StringBuilder(len + 8); //perf optimization, expecting no more than 2 > characters

for (int i = 0; i < len; ++i)
{
char ch = text[i];
switch (ch)
{
case '<':
encodedText.Append("&lt;");
break;
case '>':
encodedText.Append("&gt;");
break;
case '&':
encodedText.Append("&amp;");
break;
default:
encodedText.Append(ch);
break;
}
}
return encodedText.ToString();
}

protected static string StackTraceString(Exception exception)
{
string retval = exception.StackTrace;
if (string.IsNullOrEmpty(retval))
{
// This means that the exception hasn't been thrown yet. We need to manufacture the stack then.
StackTrace stackTrace = new StackTrace(false);
// Figure out how many frames should be throw away
StackFrame[] stackFrames = stackTrace.GetFrames();

int frameCount = 0;
bool breakLoop = false;
foreach (StackFrame frame in stackFrames)
{
string methodName = frame.GetMethod().Name;
switch (methodName)
{
case "StackTraceString":
case "AddExceptionToTraceString":
case "BuildTrace":
case "TraceEvent":
case "TraceException":
case "GetAdditionalPayload":
++frameCount;
break;
default:
if (methodName.StartsWith("ThrowHelper", StringComparison.Ordinal))
{
++frameCount;
}
else
{
breakLoop = true;
}
break;
}
if (breakLoop)
{
break;
}
}

stackTrace = new StackTrace(frameCount, false);
retval = stackTrace.ToString();
}
return retval;
}
}
}
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