Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/Channels/TcpChannelFactory.cs

@@ -0,0 +1,67 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+// Enable this to dump contents of a connection a file.
+//#define CONNECTIONDUMP
+
+namespace System.ServiceModel.Channels
+{
+    using System.Collections.Generic;
+    using System.Diagnostics;
+    using System.IO;
+    using System.Text;
+    using System.Threading;
+    using System.Runtime.Serialization;
+    using System.ServiceModel.Diagnostics;
+
+    class TcpChannelFactory<TChannel> : ConnectionOrientedTransportChannelFactory<TChannel>,
+        ITcpChannelFactorySettings
+    {
+        static TcpConnectionPoolRegistry connectionPoolRegistry = new TcpConnectionPoolRegistry();
+        TimeSpan leaseTimeout;
+
+        public TcpChannelFactory(TcpTransportBindingElement bindingElement, BindingContext context)
+            : base(bindingElement, context,
+            bindingElement.ConnectionPoolSettings.GroupName,
+            bindingElement.ConnectionPoolSettings.IdleTimeout,
+            bindingElement.ConnectionPoolSettings.MaxOutboundConnectionsPerEndpoint,
+            true)
+        {
+            this.leaseTimeout = bindingElement.ConnectionPoolSettings.LeaseTimeout;
+        }
+
+        public TimeSpan LeaseTimeout
+        {
+            get
+            {
+                return leaseTimeout;
+            }
+        }
+
+        public override string Scheme
+        {
+            get { return Uri.UriSchemeNetTcp; }
+        }
+
+        internal override IConnectionInitiator GetConnectionInitiator()
+        {
+            IConnectionInitiator socketConnectionInitiator = new SocketConnectionInitiator(
+                ConnectionBufferSize);
+#if CONNECTIONDUMP
+            socketConnectionInitiator = new ConnectionDumpInitiator(socketConnectionInitiator);
+#endif
+            return new BufferedConnectionInitiator(socketConnectionInitiator,
+                MaxOutputDelay, ConnectionBufferSize);
+        }
+
+        internal override ConnectionPool GetConnectionPool()
+        {
+            return connectionPoolRegistry.Lookup(this);
+        }
+
+        internal override void ReleaseConnectionPool(ConnectionPool pool, TimeSpan timeout)
+        {
+            connectionPoolRegistry.Release(pool, timeout);
+        }
+    }
+}