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(); var installationsIds = new List {1}; var installationIps = new List {"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); } }