[WIP] Live flow

src/Yavsc/Startup/Startup.WebSockets.cs

@@ -1,5 +1,11 @@
+using System;
+using System.Net.WebSockets;
+using System.Threading;
+using System.Threading.Tasks;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.Hosting;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.WebSockets.Server;
 
 namespace Yavsc
 {
@@ -8,8 +14,31 @@ namespace Yavsc
         public void ConfigureWebSocketsApp(IApplicationBuilder app,
                 SiteSettings siteSettings, IHostingEnvironment env)
         {
-            app.UseWebSockets();
+            var webSocketOptions = new WebSocketOptions()
+            {
+                KeepAliveInterval = TimeSpan.FromSeconds(120),
+                ReceiveBufferSize = 4 * 1024,
+                ReplaceFeature = true
+            };
+            app.UseWebSockets(webSocketOptions);
             app.UseSignalR(Constants.SignalRPath);
+            
+
+
         }
+
+        private async Task Echo(HttpContext context, WebSocket webSocket)
+        {
+            var buffer = new byte[1024 * 4];
+            WebSocketReceiveResult result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
+            while (!result.CloseStatus.HasValue)
+            {
+                await webSocket.SendAsync(new ArraySegment<byte>(buffer, 0, result.Count), result.MessageType, result.EndOfMessage, CancellationToken.None);
+
+                result = await webSocket.ReceiveAsync(new ArraySegment<byte>(buffer), CancellationToken.None);
+            }
+            await webSocket.CloseAsync(result.CloseStatus.Value, result.CloseStatusDescription, CancellationToken.None);
+        }
+
     }
 }