Adding client version telemetry while creating a new connection (#253)

Adding client version telemetry while creating a new connection for the service to keep a track.

src/Microsoft.Azure.ServiceBus/Amqp/AmqpConnectionHelper.cs

@@ -7,6 +7,7 @@ namespace Microsoft.Azure.ServiceBus.Amqp
     using Microsoft.Azure.Amqp;
     using Microsoft.Azure.Amqp.Sasl;
     using Microsoft.Azure.Amqp.Transport;
+    using Microsoft.Azure.ServiceBus.Primitives;
 
     internal class AmqpConnectionHelper
     {
@@ -100,12 +101,17 @@ public static TransportSettings CreateTcpTransportSettings(
 
         public static AmqpConnectionSettings CreateAmqpConnectionSettings(uint maxFrameSize, string containerId, string hostName)
         {
-            AmqpConnectionSettings connectionSettings = new AmqpConnectionSettings
+            var connectionSettings = new AmqpConnectionSettings
             {
                 MaxFrameSize = maxFrameSize,
                 ContainerId = containerId,
                 HostName = hostName
             };
+
+            connectionSettings.AddProperty("product", ClientInfo.Product);
+            connectionSettings.AddProperty("version", ClientInfo.Version);
+            connectionSettings.AddProperty("framework", ClientInfo.Framework);
+            connectionSettings.AddProperty("platform", ClientInfo.Platform);
             return connectionSettings;
         }
     }

src/Microsoft.Azure.ServiceBus/Primitives/ClientInfo.cs

@@ -0,0 +1,47 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+namespace Microsoft.Azure.ServiceBus.Primitives
+{
+    using System;
+    using System.Reflection;
+    using System.Runtime.Versioning;
+
+    internal static class ClientInfo
+    {
+        internal static readonly string Product;
+        internal static readonly string Version;
+        internal static readonly string Framework;
+        internal static readonly string Platform;
+
+        static ClientInfo()
+        {
+            try
+            {
+                Assembly assembly = typeof(ClientInfo).GetTypeInfo().Assembly;
+                Product = GetAssemblyAttributeValue<AssemblyProductAttribute>(assembly, p => p.Product);
+                Version = GetAssemblyAttributeValue<AssemblyFileVersionAttribute>(assembly, v => v.Version);
+                Framework = GetAssemblyAttributeValue<TargetFrameworkAttribute>(assembly, f => f.FrameworkName);
+#if NETSTANDARD1_3
+                Platform = System.Runtime.InteropServices.RuntimeInformation.OSDescription;
+#elif UAP10_0
+                Platform = "UAP";
+#elif NET451
+                Platform = Environment.OSVersion.VersionString;
+#else
+                Platform = "Unknown";
+#endif
+            }
+            catch
+            {
+                // ignored
+            }
+        }
+
+        static string GetAssemblyAttributeValue<T>(Assembly assembly, Func<T, string> getter) where T : Attribute
+        {
+            var attribute = assembly.GetCustomAttribute(typeof(T)) as T;
+            return attribute == null ? null : getter(attribute);
+        }
+    }
+}