59 lines
2.0 KiB
C#
59 lines
2.0 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Net;
|
|
using System.Net.WebSockets;
|
|
using System.Text;
|
|
using System.Threading;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace TestServer
|
|
{
|
|
class Program
|
|
{
|
|
static void Main(string[] args)
|
|
{
|
|
RunEchoServer().Wait();
|
|
}
|
|
|
|
private static async Task RunEchoServer()
|
|
{
|
|
HttpListener listener = new HttpListener();
|
|
listener.Prefixes.Add("http://localhost:12345/");
|
|
listener.Start();
|
|
Console.WriteLine("Started");
|
|
|
|
while (true)
|
|
{
|
|
HttpListenerContext context = listener.GetContext();
|
|
if (!context.Request.IsWebSocketRequest)
|
|
{
|
|
context.Response.Close();
|
|
continue;
|
|
}
|
|
Console.WriteLine("Accepted");
|
|
|
|
var wsContext = await context.AcceptWebSocketAsync(null);
|
|
var webSocket = wsContext.WebSocket;
|
|
|
|
byte[] buffer = new byte[1024];
|
|
WebSocketReceiveResult received = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
|
|
|
|
while (received.MessageType != WebSocketMessageType.Close)
|
|
{
|
|
Console.WriteLine($"Echoing {received.Count} bytes received in a {received.MessageType} message; Fin={received.EndOfMessage}");
|
|
// Echo anything we receive
|
|
await webSocket.SendAsync(new ArraySegment<byte>(buffer, 0, received.Count), received.MessageType, received.EndOfMessage, CancellationToken.None);
|
|
|
|
received = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
|
|
}
|
|
|
|
await webSocket.CloseAsync(received.CloseStatus.Value, received.CloseStatusDescription, CancellationToken.None);
|
|
|
|
webSocket.Dispose();
|
|
Console.WriteLine("Finished");
|
|
}
|
|
}
|
|
}
|
|
}
|