public async Task HandleWebSocketIncomingStats(HttpContext context)
{
WebSocket webSocket = await context.WebSockets.AcceptWebSocketAsync();
Console.WriteLine(String.Format("wss connected Stats sessionID = {0} socket = {1}", context.Session.Id, webSocket.GetHashCode()));
StatsSessionSockets.AddOrUpdate(Guid.Parse(context.Session.Id), webSocket, (key, _) => webSocket);
var msg = Encoding.UTF8.GetBytes(String.Format("Stats socket {0}", context.Session.Id));
var buffer = new ArraySegment <byte>(msg, 0, msg.Length);
await webSocket.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
Console.WriteLine("sent async connection");
var buf2 = new byte[1024 * 4];
WebSocketReceiveResult result = await webSocket.ReceiveAsync(new ArraySegment <byte>(buf2), CancellationToken.None);
while (!result.CloseStatus.HasValue)
{
result = await webSocket.ReceiveAsync(new ArraySegment <byte>(buf2), CancellationToken.None);
}
await webSocket.CloseAsync(result.CloseStatus.Value, result.CloseStatusDescription, CancellationToken.None);
HandleStatsWebSocketClosing(context);
}
public async Task UpdateAdminStats(Dictionary <DateTime, int[]> statistics)
{
DateTime today = DateTime.Today;
string statsString = JsonConvert.SerializeObject(statistics);
//string statString = string.Format('"date": {0}, "values": [{1}]"', today.ToShortDateString(), string.Join(", ", statistics[today]));
Console.WriteLine(statsString);
byte[] msg = Encoding.UTF8.GetBytes("stats:" + statsString);// TODO: test data
// "stats: { date: dd/mm/yyyy, stats: [0, 1, 2, 3, 4] }"
ArraySegment <byte> buffer = new ArraySegment <byte>(msg, 0, msg.Length);
foreach (KeyValuePair <Guid, Guid> adminSession in AdminSessions)
{
if (StatsSessionSockets.TryGetValue(adminSession.Value, out WebSocket socket))
{
Console.WriteLine(string.Format("update stats for session {0} admin {1}", adminSession.Value, adminSession.Key));
await socket.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
}
}
}
public void HandleStatsWebSocketClosing(HttpContext context)
{
StatsSessionSockets.TryRemove(Guid.Parse(context.Session.Id), out _);
Console.WriteLine(String.Format("closed stats wss for session {0}", Guid.Parse(context.Session.Id)));
}
