qpid-1277: Added examples

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk@700439 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 136 insertions, 0 deletions

diff --git a/qpid/dotnet/client-010/examples/request-response/example-request-response-Server/Server.cs b/qpid/dotnet/client-010/examples/request-response/example-request-response-Server/Server.cs
new file mode 100644
index 0000000000..2ce493626f
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+++ b/qpid/dotnet/client-010/examples/request-response/example-request-response-Server/Server.cs
@@ -0,0 +1,136 @@
+/*

+* 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.IO;

+using System.Text;

+using System.Threading;

+using org.apache.qpid.client;

+using org.apache.qpid.transport;

+

+namespace org.apache.qpid.example.requestresponse

+{

+    /// <summary>

+    ///  This program is one of two programs that illustrate the

+    ///  request/response pattern.

+    ///

+    ///  Client:

+    ///    Make requests of a service, print the response.

+    ///

+    ///  Server (this program):

+    ///    Accept requests, set the letters to uppercase in each message, and

+    ///    return it as a response.

+    ///

+    /// </summary>

+    class Server

+    {

+        static void Main(string[] args)

+        {

+            string host = args.Length > 0 ? args[0] : "localhost";

+            int port = args.Length > 1 ? Convert.ToInt32(args[1]) : 5672;

+            client.Client connection = new client.Client();

+            try

+            {

+                connection.connect(host, port, "test", "guest", "guest");

+                ClientSession session = connection.createSession(50000);

+

+                //--------- Main body of program --------------------------------------------

+                // Create a request queue for clients to use when making

+                // requests.

+                const string request_queue = "request";

+                // Use the name of the request queue as the routing key

+                session.queueDeclare(request_queue);

+                session.exchangeBind(request_queue, "amq.direct", request_queue);

+

+                lock (session)

+                {

+                    // Create a listener and subscribe it to the request_queue      

+                    IMessageListener listener = new MessageListener(session);

+                    session.attachMessageListener(listener, request_queue);

+                    session.messageSubscribe(request_queue);

+                    // Receive messages until all messages are received

+                    Console.WriteLine("Waiting for requests");

+                    Monitor.Wait(session);

+                }

+

+                //---------------------------------------------------------------------------

+

+                connection.close();

+            }

+            catch (Exception e)

+            {

+                Console.WriteLine("Error: \n" + e.StackTrace);

+            }

+        }

+    }

+

+    public class MessageListener : IMessageListener

+    {

+        private readonly ClientSession _session;

+        private readonly RangeSet _range = new RangeSet();

+        public MessageListener(ClientSession session)

+        {

+            _session = session;

+        }

+

+        public void messageTransfer(IMessage request)

+        {

+            IMessage response = new Message();

+

+            // Get routing key for response from the request's replyTo property

+            string routingKey;

+            if( request.MessageProperties.hasReplyTo() )

+            {

+                routingKey = request.MessageProperties.getReplyTo().getRoutingKey();

+            }

+            else

+            {

+                Console.WriteLine("Error: \n No routing key for request " + request);

+                return;

+            }

+

+            BinaryReader reader = new BinaryReader(request.Body, Encoding.UTF8);

+            byte[] body = new byte[request.Body.Length - request.Body.Position];

+            reader.Read(body, 0, body.Length);

+            ASCIIEncoding enc = new ASCIIEncoding();

+            string message = enc.GetString(body);

+            Console.WriteLine("Request: " + message);

+            

+            // Transform message content to upper case

+            string responseBody = message.ToUpper();

+

+            // Send it back to the user

+            response.clearData();

+            response.appendData(Encoding.UTF8.GetBytes(responseBody));

+            _session.messageTransfer("amq.direct", routingKey, response);

+

+            // Add this message to the list of message to be acknowledged 

+            _range.add(request.Id);

+            if (message.Equals("That's all, folks!"))

+            {

+                // Acknowledge all the received messages 

+                _session.messageAccept(_range);

+                lock (_session)

+                {

+                    Monitor.Pulse(_session);

+                }

+            }

+        }

+    }

+}