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/*
* 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.Text;
using org.apache.qpid.client;

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 (this program):
    /// 
    /// Publishes to a broker, specifying a routing key.
    /// 
    /// Listener:
    /// 
    /// Reads from a queue on the broker using a message listener.
    /// 
    /// </summary>
    class Producer
    {
        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 --------------------------------------------
                
                IMessage message = new Message();

                // The routing key is a message property. We will use the same
                // routing key for each message, so we'll set this property
                // just once. (In most simple cases, there is no need to set
                // other message properties.)

                message.DeliveryProperties.SetRoutingKey("routing_key"); 

                // Asynchronous transfer sends messages as quickly as
                // possible without waiting for confirmation.
                for (int i = 0; i < 10; i++)
                {
                    message.ClearData();
                    message.AppendData(Encoding.UTF8.GetBytes("Message " + i));                  
                    session.MessageTransfer("amq.direct", message);                    
                }

                // And send a syncrhonous final message to indicate termination.
                message.ClearData();
                message.AppendData(Encoding.UTF8.GetBytes("That's all, folks!"));
                session.MessageTransfer("amq.direct", "routing_key", message); 
                session.Sync();

                //-----------------------------------------------------------------------------

                connection.Close();
            }
            catch (Exception e)
            {
                Console.WriteLine("Error: \n" + e.StackTrace);
            }
        }
    }
}