binary, C# - rextester

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Text;
using System.Threading.Tasks;
using System.Net.WebSockets;
using System.Threading;
using System.Net;

namespace Rextester
{
    public class Program
    {
        private ClientWebSocket ws = new ClientWebSocket();
        private Uri uri = new Uri("wss://ws.binaryws.com/websockets/v3");
            
        public async Task SendRequest(string data)
        {
            
            while(this.ws.State == WebSocketState.Connecting){};
            if (this.ws.State != WebSocketState.Open)
            {
                throw new Exception("Connection is not open.");
            }
            
            var reqAsBytes = Encoding.UTF8.GetBytes(data);
            var ticksRequest = new ArraySegment<byte>(reqAsBytes);

await this.ws.SendAsync(ticksRequest,
                WebSocketMessageType.Text,
                true,
                CancellationToken.None);
            
            Console.WriteLine("The request has been sent: ");
            Console.WriteLine(data);
            Console.WriteLine("\r\n \r\n");

}
        
        public async Task StartListen(){
            WebSocketReceiveResult result;
            while (this.ws.State == WebSocketState.Open){
            var buffer = new ArraySegment<byte>(new byte[1024]);
                    do
                    {
                        result = await this.ws.ReceiveAsync(new ArraySegment<byte>(buffer.Array), CancellationToken.None);

if (result.MessageType == WebSocketMessageType.Close)
                        {
                            Console.WriteLine("Connection Closed!");
                            break;
                        }
                        else
                        {
                            var str = Encoding.UTF8.GetString(buffer.Array, 0, result.Count);
                            Console.WriteLine("Received Data at: " + DateTime.Now);
                            Console.WriteLine(str);
                            Console.WriteLine("\r\n");
                        }

} while (!result.EndOfMessage);
            }
        }
        
        public async Task Connect(){
            Console.WriteLine("Prepare to connect to: " + this.uri.ToString());
            Console.WriteLine("\r\n");
            
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12 | SecurityProtocolType.Tls11;
            await ws.ConnectAsync(uri, CancellationToken.None);
            
            Console.WriteLine("The connection is established!");
            Console.WriteLine("\r\n");
        }

public static void Main(string[] args)
        {
            
            string data = "{\"ticks\":\"R_100\"}";
            
            var bws = new Program();
            bws.Connect().Wait();
            
            bws.SendRequest(data).Wait();
            bws.StartListen();
            
            Console.ReadLine();
        }
    }
}

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Compilation time: 0,17 sec, absolute running time: 10,02 sec, cpu time: 1,05 sec, average memory usage: 33 Mb, average nr of threads: 18