1 files changed, 204 insertions, 0 deletions
diff --git a/qpid/wcf/src/Apache/Qpid/Channel/AmqpChannelListener.cs b/qpid/wcf/src/Apache/Qpid/Channel/AmqpChannelListener.cs
new file mode 100644
index 0000000000..78655f2124
--- /dev/null
+++ b/qpid/wcf/src/Apache/Qpid/Channel/AmqpChannelListener.cs
@@ -0,0 +1,204 @@
+/*
+* Licensed to the Apache Software Foundation (ASF) under one
+* or more contributor license agreements.  See the NOTICE file
+* distributed with this work for additional information
+* regarding copyright ownership.  The ASF licenses this file
+* to you under the Apache License, Version 2.0 (the
+* "License"); you may not use this file except in compliance
+* with the License.  You may obtain a copy of the License at
+*
+*   http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*/
+
+namespace Apache.Qpid.Channel
+{
+    using System;
+    using System.ServiceModel;
+    using System.ServiceModel.Channels;
+    using System.Threading;
+    using System.Collections.Generic;
+    using System.Collections.ObjectModel;
+
+    class AmqpChannelListener : ChannelListenerBase<IInputChannel>
+    {
+        MessageEncoderFactory messageEncoderFactory;
+        AmqpTransportBindingElement bindingElement;
+        AmqpChannelProperties channelProperties;
+        BindingContext bindingContext;
+        bool shared;
+        int prefetchLimit;
+        long maxBufferPoolSize;
+        Uri uri;
+        AmqpTransportChannel amqpTransportChannel;
+        delegate IInputChannel AsyncOnAcceptCaller (TimeSpan timeout);
+        AsyncOnAcceptCaller asyncOnAcceptCaller;
+        ManualResetEvent acceptWaitEvent;
+
+        internal AmqpChannelListener(AmqpTransportBindingElement bindingElement, BindingContext context)
+            : base(context.Binding)
+        {
+            this.bindingElement = bindingElement;
+            this.channelProperties = bindingElement.ChannelProperties.Clone();
+            this.bindingContext = context;
+            this.shared = bindingElement.Shared;
+            this.prefetchLimit = bindingElement.PrefetchLimit;
+
+            this.maxBufferPoolSize = bindingElement.MaxBufferPoolSize;
+
+            // TODO: review this.  Should be unique hostname based
+            this.uri = context.ListenUriBaseAddress;
+            this.asyncOnAcceptCaller = new AsyncOnAcceptCaller(this.OnAcceptChannel);
+            this.acceptWaitEvent = new ManualResetEvent(false);
+
+            Collection<MessageEncodingBindingElement> messageEncoderBindingElements
+                = context.BindingParameters.FindAll<MessageEncodingBindingElement>();
+
+            if(messageEncoderBindingElements.Count > 1)
+            {
+                throw new InvalidOperationException("More than one MessageEncodingBindingElement was found in the BindingParameters of the BindingContext");
+            }
+            else if (messageEncoderBindingElements.Count == 1)
+            {
+                this.messageEncoderFactory = messageEncoderBindingElements[0].CreateMessageEncoderFactory();
+            }
+            else
+            {
+                this.messageEncoderFactory = new TextMessageEncodingBindingElement().CreateMessageEncoderFactory();
+            }
+        }
+
+        public override Uri Uri
+        {
+            get
+            {
+                return this.uri;
+            }
+        }
+
+
+
+        public override T GetProperty<T>()
+        {
+            T mep = messageEncoderFactory.Encoder.GetProperty<T>();
+            if (mep != null)
+            {
+                return mep;
+            }
+
+            if (typeof(T) == typeof(MessageVersion))
+            {
+                return (T)(object)messageEncoderFactory.Encoder.MessageVersion;
+            }
+
+            return base.GetProperty<T>();
+        }
+
+        protected override void OnOpen(TimeSpan timeout)
+        {
+            // check and freeze security properties now
+            AmqpSecurityMode mode = AmqpSecurityMode.None;
+            if (this.bindingElement.BindingSecurity != null)
+            {
+                mode = bindingElement.BindingSecurity.Mode;
+            }
+
+            this.channelProperties.AmqpSecurityMode = mode;
+            if (mode == AmqpSecurityMode.None)
+            {
+                return;
+            }
+
+            AmqpChannelHelpers.FindAuthenticationCredentials(this.channelProperties, this.bindingContext);
+        }
+
+        protected override IAsyncResult OnBeginOpen(TimeSpan timeout, AsyncCallback callback, object state)
+        {
+            throw new NotImplementedException("AmqpChannelListener OnBeginOpen");
+            //// return null;
+        }
+
+        protected override void OnEndOpen(IAsyncResult result)
+        {
+            throw new NotImplementedException("AmqpChannelListener OnEndOpen");
+        }
+
+        protected override bool OnWaitForChannel(TimeSpan timeout)
+        {
+            throw new NotImplementedException("AmqpChannelListener OnWaitForChannel");
+        }
+
+        protected override IAsyncResult OnBeginWaitForChannel(TimeSpan timeout, AsyncCallback callback, object state)
+        {
+            throw new NotImplementedException("AmqpChannelListener OnBeginWaitForChannel");
+        }
+
+        protected override bool OnEndWaitForChannel(IAsyncResult result)
+        {
+            throw new NotImplementedException("AmqpChannelListener OnEndWaitForChannel");
+        }
+
+        protected override IInputChannel OnAcceptChannel(TimeSpan timeout)
+        {
+            if (this.IsDisposed)
+            {
+                return null;
+            }
+
+            if (amqpTransportChannel == null)
+            {
+                // TODO: add timeout processing
+                amqpTransportChannel = new AmqpTransportChannel(this, this.channelProperties,
+                        new EndpointAddress(uri), messageEncoderFactory.Encoder,
+                        maxBufferPoolSize, this.shared, this.prefetchLimit);
+                return (IInputChannel)(object)amqpTransportChannel;
+            }
+
+            // Singleton channel.  Subsequent Accepts wait until the listener is closed
+            acceptWaitEvent.WaitOne();
+            return null;
+        }
+
+        protected override IAsyncResult OnBeginAcceptChannel(TimeSpan timeout, AsyncCallback callback, object state)
+        {
+            return asyncOnAcceptCaller.BeginInvoke(timeout, callback, state);
+        }
+
+        protected override IInputChannel OnEndAcceptChannel(IAsyncResult result)
+        {
+            return asyncOnAcceptCaller.EndInvoke(result);
+        }
+
+        protected override void OnClose(TimeSpan timeout)
+        {
+            if (amqpTransportChannel != null)
+            {
+                amqpTransportChannel.Close();
+            }
+            acceptWaitEvent.Set();
+        }
+
+        protected override IAsyncResult OnBeginClose(TimeSpan timeout, AsyncCallback callback, object state)
+        {
+            throw new NotImplementedException("AmqpChannelListener OnBeginClose");
+        }
+
+        protected override void OnEndClose(IAsyncResult result)
+        {
+            throw new NotImplementedException("AmqpChannelListener OnEndClose");
+        }
+
+        protected override void OnAbort()
+        {
+            if (amqpTransportChannel != null)
+                amqpTransportChannel.Abort();
+            acceptWaitEvent.Set();
+        }
+    }
+}