Example #1
0
        static void Main(string[] args)
        {
            // UDP multicast address
            string multicastAddress = "239.255.0.1";

            if (args.Length > 0)
            {
                multicastAddress = args[0];
            }

            // UDP multicast port
            int multicastPort = 3334;

            if (args.Length > 1)
            {
                multicastPort = int.Parse(args[1]);
            }

            Console.WriteLine($"UDP multicast address: {multicastAddress}");
            Console.WriteLine($"UDP multicast port: {multicastPort}");

            // Create a new UDP multicast server
            var server = new MulticastServer(IPAddress.Any, 0);

            // Start the multicast server
            Console.Write("Server starting...");
            server.Start(multicastAddress, multicastPort);
            Console.WriteLine("Done!");

            Console.WriteLine("Press Enter to stop the server or '!' to restart the server...");

            // Perform text input
            for (;;)
            {
                string line = Console.ReadLine();
                if (line == string.Empty)
                {
                    break;
                }

                // Restart the server
                if (line == "!")
                {
                    Console.Write("Server restarting...");
                    server.Restart();
                    Console.WriteLine("Done!");
                    continue;
                }

                // Multicast admin message to all sessions
                line = "(admin) " + line;
                server.Multicast(line);
            }

            // Stop the server
            Console.Write("Server stopping...");
            server.Stop();
            Console.WriteLine("Done!");
        }
Example #2
0
        static void Main(string[] args)
        {
            bool   help         = false;
            string address      = "239.255.0.1";
            int    port         = 3333;
            int    threads      = Environment.ProcessorCount;
            int    messagesRate = 1000000;
            int    messageSize  = 32;

            var options = new OptionSet()
            {
                { "h|?|help", v => help = v != null },
                { "a|address=", v => address = v },
                { "p|port=", v => port = int.Parse(v) },
                { "t|threads=", v => threads = int.Parse(v) },
                { "m|messages=", v => messagesRate = int.Parse(v) },
                { "s|size=", v => messageSize = int.Parse(v) }
            };

            try
            {
                options.Parse(args);
            }
            catch (OptionException e)
            {
                Console.Write("Command line error: ");
                Console.WriteLine(e.Message);
                Console.WriteLine("Try `--help' to get usage information.");
                return;
            }

            if (help)
            {
                Console.WriteLine("Usage:");
                options.WriteOptionDescriptions(Console.Out);
                return;
            }

            Console.WriteLine($"Server address: {address}");
            Console.WriteLine($"Server port: {port}");
            Console.WriteLine($"Working threads: {threads}");
            Console.WriteLine($"Messages rate: {messagesRate}");
            Console.WriteLine($"Message size: {messageSize}");

            // Create a new service
            var service = new Service(threads);

            // Start the service
            Console.Write("Service starting...");
            service.Start();
            Console.WriteLine("Done!");

            // Create a new echo server
            var server = new MulticastServer(service, InternetProtocol.IPv4, 0);

            server.SetupReuseAddress(true);
            server.SetupReusePort(true);

            // Start the server
            Console.Write("Server starting...");
            server.Start(address, port);
            Console.WriteLine("Done!");

            // Start the multicasting thread
            bool multicasting = true;
            var  multicaster  = Task.Factory.StartNew(() =>
            {
                // Prepare message to multicast
                byte[] message = new byte[messageSize];

                // Multicasting loop
                while (multicasting)
                {
                    var start = DateTime.UtcNow;
                    for (int i = 0; i < messagesRate; ++i)
                    {
                        server.Multicast(message);
                    }
                    var end = DateTime.UtcNow;

                    // Sleep for remaining time or yield
                    var milliseconds = (int)(end - start).TotalMilliseconds;
                    if (milliseconds < 1000)
                    {
                        Thread.Sleep(milliseconds);
                    }
                    else
                    {
                        Thread.Yield();
                    }
                }
            });

            Console.WriteLine("Press Enter to stop the server or '!' to restart the server...");

            // Perform text input
            for (;;)
            {
                string line = Console.ReadLine();
                if (line == string.Empty)
                {
                    break;
                }

                // Restart the server
                if (line == "!")
                {
                    Console.Write("Server restarting...");
                    server.Restart();
                    Console.WriteLine("Done!");
                }
            }

            // Stop the multicasting thread
            multicasting = false;
            multicaster.Wait();

            // Stop the server
            Console.Write("Server stopping...");
            server.Stop();
            Console.WriteLine("Done!");

            // Stop the service
            Console.Write("Service stopping...");
            service.Stop();
            Console.WriteLine("Done!");
        }