Innovenergy_trunk/csharp/App/Middleware/Program.cs

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C#
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using InnovEnergy.App.Middleware;
using System;
using System.Net;
using System.Net.Sockets;
using System.Net.WebSockets;
using System.Text;
internal class Program
{
public static readonly object SharedDataLock = new object();
public static async Task Main(string[] args)
{
//For each installation id, we maintain a list of the connected clients
var installationConnections = new Dictionary<int, InstallationInfo>();
var installationsIds = new List<int> {1};
var installationIps = new List<string> {"10.2.3.115"};
var MAX_RETRANSMISSIONS = 2;
RabbitMqConsumer.StartRabbitMqConsumer(installationConnections,SharedDataLock);
UdpClient udpClient = new UdpClient();
udpClient.Client.ReceiveTimeout = 2000;
int port = 9000;
//Send a message to each installation and tell it to subscribe to the queue
for (int i = 0; i < installationsIds.Count; i++)
{
using (udpClient)
{
//Try at most MAX_RETRANSMISSIONS times to reach an installation.
for (int j = 0; j < MAX_RETRANSMISSIONS; j++)
{
string message = "This is a message from RabbitMQ server, you can subscribe to the RabbitMQ queue";
byte[] data = Encoding.UTF8.GetBytes(message);
udpClient.Send(data, data.Length, installationIps[i], port);
Console.WriteLine($"Sent UDP message to {installationIps[i]}:{port}: {message}");
IPEndPoint remoteEndPoint = new IPEndPoint(IPAddress.Parse(installationIps[i]), port);
try
{
byte[] replyData = udpClient.Receive(ref remoteEndPoint);
string replyMessage = Encoding.UTF8.GetString(replyData);
Console.WriteLine("Received message from installation " + installationsIds[i]);
break;
}
catch (SocketException ex)
{
if (ex.SocketErrorCode == SocketError.TimedOut)
{
Console.WriteLine("Timed out waiting for a response. Retry...");
}
else
{
Console.WriteLine("Error: " + ex.Message);
}
}
}
}
}
Console.WriteLine("WebSocket server is running. Press Enter to exit.");
Console.WriteLine("WebSocket server is running. Press Enter to exit.");
await WebSocketListener.StartServerAsync(installationConnections,SharedDataLock);
}
}