1 files changed, 117 insertions, 0 deletions
diff --git a/qpid/dotnet/client-010/examples/direct/example-direct-Listener/Listener.cs b/qpid/dotnet/client-010/examples/direct/example-direct-Listener/Listener.cs
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+++ b/qpid/dotnet/client-010/examples/direct/example-direct-Listener/Listener.cs
@@ -0,0 +1,117 @@
+/*
+* 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.
+*/
+
+using System;
+using System.Configuration;
+using System.IO;
+using System.Text;
+using System.Threading;
+using org.apache.qpid.client;
+using org.apache.qpid.transport;
+
+namespace org.apache.qpid.example.direct
+{
+    /// <summary>
+    /// This program is one of three programs designed to be used
+    /// together. These programs use the "amq.direct" exchange.
+    /// 
+    /// Producer:
+    /// 
+    /// Publishes to a broker, specifying a routing key.
+    /// 
+    /// Listener (this program):
+    /// 
+    /// Reads from a queue on the broker using a message listener.
+    /// 
+    /// </summary>
+    public class Listener
+    {        
+        private static void Main(string[] args)
+        {
+            string host = ConfigurationManager.AppSettings["Host"];
+            int port = int.Parse(ConfigurationManager.AppSettings["Port"]);
+            string virtualhost = ConfigurationManager.AppSettings["VirtualHost"];
+            string username = ConfigurationManager.AppSettings["Username"];
+            string password = ConfigurationManager.AppSettings["Password"];
+
+            Client connection = new Client();
+            try
+            {
+                connection.Connect(host, port, virtualhost, username, password);
+                IClientSession session = connection.CreateSession(50000);
+
+                //--------- Main body of program --------------------------------------------
+                // Create a queue named "message_queue", and route all messages whose
+                // routing key is "routing_key" to this newly created queue.
+
+                session.QueueDeclare("message_queue");
+                session.ExchangeBind("message_queue", "amq.direct", "routing_key");
+         
+                lock (session)
+                {
+                    // Create a listener and subscribe it to the queue named "message_queue"
+                    IMessageListener listener = new MessageListener(session);
+                    session.AttachMessageListener(listener, "message_queue");                              
+                    session.MessageSubscribe("message_queue");
+                    // Receive messages until all messages are received
+                    Monitor.Wait(session);
+                }
+
+                //---------------------------------------------------------------------------
+
+                connection.Close();
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine("Error: \n" + e.StackTrace);
+            }
+        }
+    }
+
+    public class MessageListener : IMessageListener
+    {
+        private readonly IClientSession _session;
+        private readonly RangeSet _range = new RangeSet();
+        public MessageListener(IClientSession session)
+        {            
+            _session = session;
+        }
+
+        public void MessageTransfer(IMessage m)
+        {
+            BinaryReader reader = new BinaryReader(m.Body, Encoding.UTF8);
+            byte[] body = new byte[m.Body.Length - m.Body.Position];
+            reader.Read(body, 0, body.Length);
+            ASCIIEncoding enc = new ASCIIEncoding();
+            string message = enc.GetString(body);
+            Console.WriteLine("Message: " + message);
+            // Add this message to the list of message to be acknowledged 
+            _range.Add(m.Id);       
+            if( message.Equals("That's all, folks!") )
+            {
+                // Acknowledge all the received messages 
+                _session.MessageAccept(_range);     
+                lock(_session)
+                {
+                    Monitor.Pulse(_session);
+                }
+            }
+        }
+    }
+}