private void SendToAllSubscribers <T>(WebSocketJsonType type, T data)
{
var wsToRemove = new List <WebSocket>();
var segment = ConvertToBytesWithType(type, data);
lock (_webSockets)
{
foreach (var ws in _webSockets)
{
if (ws.Value.Second.IsCompleted)
{
if (_users.TryGetValue(ws.Value.First, out var user))
{
user.Online = false;
}
wsToRemove.Add(ws.Key);
}
else
{
ws.Key.SendAsync(segment, WebSocketMessageType.Binary, false, CancellationToken.None).Wait();
}
}
foreach (var ws in wsToRemove)
{
_webSockets.Remove(ws);
}
}
}
private static ArraySegment <byte> ConvertToBytesWithType <T>(WebSocketJsonType type, T data)
{
var responseStr = JsonConvert.SerializeObject(data);
var buffer = Encoding.UTF8.GetBytes(responseStr);
var buffWithType = new byte[buffer.Length + 1];
buffWithType[0] = (byte)type;
Buffer.BlockCopy(buffer, 0, buffWithType, 1, buffer.Length);
return(new ArraySegment <byte>(buffWithType));
}
