ExceptionUtility.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / SMDiagnostics / System / ServiceModel / Diagnostics / ExceptionUtility.cs / 1 / ExceptionUtility.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.ServiceModel.Diagnostics 
{
    using System; 
    using System.Diagnostics; 
    using System.Runtime.ConstrainedExecution;
    using System.Runtime.InteropServices; 
    using System.Threading;
    using System.Runtime.Serialization;
    using System.Reflection;
    using System.Runtime.CompilerServices; 
    using System.Collections;
 
 
    class ExceptionUtility
    { 
        const string ExceptionStackAsStringKey = "System.ServiceModel.Diagnostics.ExceptionUtility.ExceptionStackAsString";

#if DEBUG
        internal static ExceptionUtility mainInstance; 
#endif
 
 
        DiagnosticTrace diagnosticTrace;
        string name; 
        string eventSourceName;

        [ThreadStatic]
        static Guid activityId; 

        [ThreadStatic] 
        static bool useStaticActivityId; 

        [Obsolete("For SMDiagnostics.dll use only. Call DiagnosticUtility.ExceptionUtility instead")] 
        internal ExceptionUtility(string name, string eventSourceName, object diagnosticTrace)
        {
            this.diagnosticTrace = (DiagnosticTrace)diagnosticTrace;
            this.name = name; 
            this.eventSourceName = eventSourceName;
        } 
 
        [Obsolete("For SMDiagnostics.dll use only. Call DiagnosticUtility.ExceptionUtility instead")]
        [MethodImpl(MethodImplOptions.NoInlining)] 
#pragma warning disable 56500
        internal void TraceFailFast(string message)
        {
            EventLogger logger = null; 
            try
            { 
#pragma warning disable 618 
                logger = new EventLogger(this.eventSourceName, this.diagnosticTrace);
#pragma warning restore 618 
            }
            finally
            {
#pragma warning disable 618 
                TraceFailFast(message, logger);
#pragma warning restore 618 
            } 
        }
 
        // Fail-- Event Log entry will be generated.
        // To force a Watson on a dev machine, do the following:
        // 1. Set \HKLM\SOFTWARE\Microsoft\PCHealth\ErrorReporting ForceQueueMode = 0
        // 2. In the command environment, set COMPLUS_DbgJitDebugLaunchSetting=0 
        [Obsolete("For SMDiagnostics.dll use only. Call DiagnosticUtility.ExceptionUtility instead")]
        [MethodImpl(MethodImplOptions.NoInlining)] 
        internal static void TraceFailFast(string message, EventLogger logger) 
        {
            try 
            {
                if (logger != null)
                {
                    string stackTrace = null; 
                    try
                    { 
                        stackTrace = new StackTrace().ToString(); 
                    }
                    catch (Exception exception) 
                    {
                        stackTrace = exception.Message;
                    }
                    finally 
                    {
                        logger.LogEvent(TraceEventType.Critical, 
                            EventLogCategory.FailFast, 
                            EventLogEventId.FailFast,
                            message, 
                            stackTrace);
                    }
                }
            } 
            catch (Exception e)
            { 
                if (logger != null) 
                {
                    logger.LogEvent(TraceEventType.Critical, 
                        EventLogCategory.FailFast,
                        EventLogEventId.FailFastException,
                        e.ToString());
                } 
                throw;
            } 
        } 
#pragma warning restore 56500
 
        [Obsolete("For SMDiagnostics.dll use only. Call DiagnosticUtility.ExceptionUtility instead")]
        internal void TraceFailFastException(Exception exception)
        {
            TraceFailFast(exception == null ? null : exception.ToString()); 
        }
 
        internal Exception ThrowHelper(Exception exception, TraceEventType eventType, TraceRecord extendedData) 
        {
            if (this.diagnosticTrace != null) 
            {
                using (ExceptionUtility.useStaticActivityId ? Activity.CreateActivity(ExceptionUtility.activityId) : null)
                {
                    this.diagnosticTrace.TraceEvent(eventType, TraceCode.ThrowingException, TraceSR.GetString(TraceSR.ThrowingException), extendedData, exception, null); 
                }
            } 
 
#if DEBUG
            string stack = exception.StackTrace; 
#else
            // Avoid doing this for perf reasons unless we're already taking the hit for tracing.
#pragma warning disable 618
            string stack = (this.diagnosticTrace != null && this.diagnosticTrace.ShouldTrace(eventType)) ? exception.StackTrace : null; 
#pragma warning restore 618
#endif 
            if (!string.IsNullOrEmpty(stack)) 
            {
                IDictionary data = exception.Data; 
                if (data != null && !data.IsReadOnly && !data.IsFixedSize)
                {
                    object existingString = data[ExceptionStackAsStringKey];
                    string stackString = existingString == null ? "" : existingString as string; 
                    if (stackString != null)
                    { 
                        stackString = string.Concat(stackString, stackString.Length == 0 ? "" : Environment.NewLine, "throw", Environment.NewLine, stack, Environment.NewLine, "catch", Environment.NewLine); 
                        data[ExceptionStackAsStringKey] = stackString;
                    } 
                }
            }

            return exception; 
        }
 
        internal Exception ThrowHelper(Exception exception, TraceEventType eventType) 
        {
            return this.ThrowHelper(exception, eventType, null); 
        }

        internal ArgumentException ThrowHelperArgument(string message)
        { 
            return (ArgumentException)this.ThrowHelperError(new ArgumentException(message));
        } 
 
        internal ArgumentException ThrowHelperArgument(string paramName, string message)
        { 
            return (ArgumentException)this.ThrowHelperError(new ArgumentException(message, paramName));
        }

        internal ArgumentNullException ThrowHelperArgumentNull(string paramName) 
        {
            return (ArgumentNullException)this.ThrowHelperError(new ArgumentNullException(paramName)); 
        } 

        internal ArgumentNullException ThrowHelperArgumentNull(string paramName, string message) 
        {
            return (ArgumentNullException)this.ThrowHelperError(new ArgumentNullException(paramName, message));
        }
 
        internal Exception ThrowHelperFatal(string message, Exception innerException)
        { 
            return this.ThrowHelperError(new FatalException(message, innerException)); 
        }
 
        internal Exception ThrowHelperInternal(bool fatal)
        {

#pragma warning disable 618 
            AssertUtility.DebugAssert("InternalException should never be thrown.");
#pragma warning restore 618 
            return this.ThrowHelperError(new InternalException(fatal)); 
        }
 
        internal Exception ThrowHelperCallback(string message, Exception innerException)
        {
            return this.ThrowHelperCritical(new CallbackException(message, innerException));
        } 

        internal Exception ThrowHelperCallback(Exception innerException) 
        { 
            return this.ThrowHelperCallback(TraceSR.GetString(TraceSR.GenericCallbackException), innerException);
        } 

        internal Exception ThrowHelperCritical(Exception exception)
        {
            return this.ThrowHelper(exception, TraceEventType.Critical); 
        }
 
        internal Exception ThrowHelperError(Exception exception) 
        {
            return this.ThrowHelper(exception, TraceEventType.Error); 
        }

        internal Exception ThrowHelperWarning(Exception exception)
        { 
            return this.ThrowHelper(exception, TraceEventType.Warning);
        } 
 

        internal void TraceHandledException(Exception exception, TraceEventType eventType) 
        {
            if (this.diagnosticTrace != null)
            {
                using (ExceptionUtility.useStaticActivityId ? Activity.CreateActivity(ExceptionUtility.activityId) : null) 
                {
                    this.diagnosticTrace.TraceEvent(eventType, TraceCode.TraceHandledException, TraceSR.GetString(TraceSR.TraceHandledException), null, exception, null); 
                } 
            }
        } 

        // On a single thread, these functions will complete just fine
        // and don't need to worry about locking issues because the effected
        // variables are ThreadStatic. 
        internal static void UseActivityId(Guid activityId)
        { 
            ExceptionUtility.activityId = activityId; 
            ExceptionUtility.useStaticActivityId = true;
        } 

        internal static void ClearActivityId()
        {
            ExceptionUtility.useStaticActivityId = false; 
            ExceptionUtility.activityId = Guid.Empty;
        } 
 
        [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
        internal static bool IsInfrastructureException(Exception exception) 
        {
            return exception != null && (exception is ThreadAbortException || exception is AppDomainUnloadedException);
        }
 
        internal static bool IsFatal(Exception exception)
        { 
            InternalException internalException; 

            while (exception != null) 
            {
                if (exception is FatalException ||
                    ((internalException = exception as InternalException) != null && internalException.IsFatal) ||
                    (exception is OutOfMemoryException && !(exception is InsufficientMemoryException)) || 
                    exception is ThreadAbortException ||
                    exception is AccessViolationException || 
                    exception is SEHException) 
                {
                    return true; 
                }

                // These exceptions aren't themselves fatal, but since the CLR uses them to wrap other exceptions,
                // we want to check to see whether they've been used to wrap a fatal exception.  If so, then they 
                // count as fatal.
                if (exception is TypeInitializationException || 
                    exception is TargetInvocationException) 
                {
                    exception = exception.InnerException; 
                }
                else
                {
                    break; 
                }
            } 
 
            return false;
        } 

        [Serializable]
        private class InternalException : SystemException
        { 
            private bool fatal;
 
            public InternalException() { } 
            protected InternalException(SerializationInfo info, StreamingContext context) : base(info, context) { }
 
            public InternalException(bool fatal) : base(TraceSR.GetString(TraceSR.InternalException))
            {
                this.fatal = fatal;
            } 

            public bool IsFatal 
            { 
                get
                { 
                    return this.fatal;
                }
            }
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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