Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.ServiceModel/System/ServiceModel/Channels/OutputChannel.cs

@@ -0,0 +1,109 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+namespace System.ServiceModel.Channels
+{
+    using System.Diagnostics;
+    using System.Runtime.Diagnostics;
+    using System.ServiceModel;
+    using System.ServiceModel.Diagnostics;
+
+    abstract class OutputChannel : ChannelBase, IOutputChannel
+    {
+        protected OutputChannel(ChannelManagerBase manager)
+            : base(manager)
+        {
+        }
+
+        public abstract EndpointAddress RemoteAddress { get; }
+        public abstract Uri Via { get; }
+
+        public IAsyncResult BeginSend(Message message, AsyncCallback callback, object state)
+        {
+            return this.BeginSend(message, this.DefaultSendTimeout, callback, state);
+        }
+
+        public IAsyncResult BeginSend(Message message, TimeSpan timeout, AsyncCallback callback, object state)
+        {
+            if (message == null)
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("message");
+
+            if (timeout < TimeSpan.Zero)
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
+                    new ArgumentOutOfRangeException("timeout", timeout, SR.GetString(SR.SFxTimeoutOutOfRange0)));
+
+            ThrowIfDisposedOrNotOpen();
+            AddHeadersTo(message);
+            this.EmitTrace(message);
+            return OnBeginSend(message, timeout, callback, state);
+        }
+
+        public void EndSend(IAsyncResult result)
+        {
+            OnEndSend(result);
+        }
+
+        public override T GetProperty<T>()
+        {
+            if (typeof(T) == typeof(IOutputChannel))
+            {
+                return (T)(object)this;
+            }
+
+            T baseProperty = base.GetProperty<T>();
+            if (baseProperty != null)
+            {
+                return baseProperty;
+            }
+
+            return default(T);
+        }
+
+        protected abstract void OnSend(Message message, TimeSpan timeout);
+
+        protected abstract IAsyncResult OnBeginSend(Message message, TimeSpan timeout, AsyncCallback callback, object state);
+
+        protected abstract void OnEndSend(IAsyncResult result);
+
+        public void Send(Message message)
+        {
+            this.Send(message, this.DefaultSendTimeout);
+        }
+
+        public void Send(Message message, TimeSpan timeout)
+        {
+            if (message == null)
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("message");
+
+            if (timeout < TimeSpan.Zero)
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
+                    new ArgumentOutOfRangeException("timeout", timeout, SR.GetString(SR.SFxTimeoutOutOfRange0)));
+
+            ThrowIfDisposedOrNotOpen();
+
+            AddHeadersTo(message);
+            this.EmitTrace(message);
+            OnSend(message, timeout);
+        }
+
+        protected virtual TraceRecord CreateSendTrace(Message message)
+        {
+            return MessageTransmitTraceRecord.CreateSendTraceRecord(message, this.RemoteAddress);
+        }
+
+        void EmitTrace(Message message)
+        {
+            if (DiagnosticUtility.ShouldTraceInformation)
+            {
+                TraceUtility.TraceEvent(TraceEventType.Information, TraceCode.MessageSent,
+                    SR.GetString(SR.TraceCodeMessageSent),
+                    this.CreateSendTrace(message), this, null);
+            }
+        }
+
+        protected virtual void AddHeadersTo(Message message)
+        {
+        }
+    }
+}