Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel.Activation/System/ServiceModel/Activation/Diagnostics/TraceCode.cs

@@ -0,0 +1,24 @@
+//----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//----------------------------------------------------------------------------
+namespace System.ServiceModel.Activation.Diagnostics
+{
+    using System;
+    using System.Diagnostics;
+    using System.Runtime.Diagnostics;    
+    using System.Collections.Generic;
+    
+    static class TraceCode
+    {
+        // WebHost trace codes
+        public const int Activation = 0X90000;
+        public const int WebHostFailedToCompile = TraceCode.Activation | 0X0001;
+        public const int WebHostServiceActivated = TraceCode.Activation | 0X0002;
+        public const int WebHostFailedToActivateService = TraceCode.Activation | 0X0003;
+        public const int WebHostCompilation = TraceCode.Activation | 0X0004;
+        public const int WebHostDebugRequest = TraceCode.Activation | 0X0005;
+        public const int WebHostProtocolMisconfigured = TraceCode.Activation | 0X0006;
+        public const int WebHostServiceCloseFailed = TraceCode.Activation | 0X0007;
+        public const int WebHostNoCBTSupport = TraceCode.Activation | 0X0008;
+    }    
+}

mcs/class/referencesource/System.ServiceModel.Activation/System/ServiceModel/Activation/Diagnostics/TraceUtility.cs

@@ -0,0 +1,51 @@
+//----------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//----------------------------------------------------------------------------
+namespace System.ServiceModel.Activation.Diagnostics
+{
+    using System;
+    using System.Collections.Generic;
+    using System.Diagnostics;
+    using System.Globalization;
+    using System.Runtime;
+    using System.Runtime.Diagnostics;
+    
+    static class TraceUtility
+    {
+        static Dictionary<int, string> traceCodes = new Dictionary<int, string>(7)
+        {
+            { TraceCode.WebHostFailedToCompile, "WebHostFailedToCompile" },
+            { TraceCode.WebHostServiceActivated, "WebHostServiceActivated" },
+            { TraceCode.WebHostFailedToActivateService, "WebHostFailedToActivateService" },
+            { TraceCode.WebHostCompilation, "WebHostCompilation" },
+            { TraceCode.WebHostDebugRequest, "WebHostDebugRequest" },
+            { TraceCode.WebHostProtocolMisconfigured, "WebHostProtocolMisconfigured" },
+            { TraceCode.WebHostServiceCloseFailed, "WebHostServiceCloseFailed" }, 
+            { TraceCode.WebHostNoCBTSupport, "WebHostNoCBTSupport" },   
+        };
+
+        internal static void TraceEvent(TraceEventType severity, int traceCode, string traceDescription, object source)
+        {
+            TraceEvent(severity, traceCode, traceDescription, null, source, null);
+        }
+
+        internal static void TraceEvent(TraceEventType severity, int traceCode, string traceDescription, object source, Exception exception)
+        {
+            TraceEvent(severity, traceCode, traceDescription, null, source, exception);
+        }
+
+        internal static void TraceEvent(TraceEventType severity, int traceCode, string traceDescription, TraceRecord record, object source, Exception exception)
+        {
+            Fx.Assert(traceCodes.ContainsKey(traceCode), 
+                string.Format(CultureInfo.InvariantCulture, "Unsupported trace code: Please add trace code 0x{0} to the dictionary TraceUtility.traceCodes in {1}", 
+                traceCode.ToString("X", CultureInfo.InvariantCulture), typeof(TraceUtility)));
+            string msdnTraceCode = System.ServiceModel.Diagnostics.LegacyDiagnosticTrace.GenerateMsdnTraceCode("System.ServiceModel.Activation", traceCodes[traceCode]);
+            DiagnosticUtility.DiagnosticTrace.TraceEvent(severity, traceCode, msdnTraceCode, traceDescription, record, exception, source);
+        }
+
+        internal static string CreateSourceString(object source)
+        {
+            return source.GetType().ToString() + "/" + source.GetHashCode().ToString(CultureInfo.CurrentCulture);
+        }
+    }
+}