private async Task ProcessWSChat(AspNetWebSocketContext context)
{
WebSocket socket = context.WebSocket;
if (!Listeners.Contains(socket))
{
Listeners.Add(socket);
}
while (true)
{
ArraySegment <byte> buffer = new ArraySegment <byte>(new byte[1024]);
WebSocketReceiveResult result = await socket.ReceiveAsync(
buffer, CancellationToken.None);
if (socket.State == WebSocketState.Open)
{
string userMessage = Encoding.UTF8.GetString(
buffer.Array, 0, result.Count);
UserMessage msg = new UserMessage()
{
Message = userMessage.Split(new char[] { ':' })[1],
UserName = userMessage.Split(new char[] { ':' })[0]
};
//await socket.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
_db.AddMessage(msg.UserName, msg.Message);
var count = 20;
var history = _db.THistory
.Skip(_db.THistory.Count() - count)
.Take(count)
.ToList();
StringBuilder message = new StringBuilder(400);
//foreach (var item in history)
//{
// message.Append(item.UserName + ":" + item.Message + ";");
//}
//buffer = new ArraySegment<byte>(
// Encoding.UTF8.GetBytes(message.ToString()));
foreach (var listener in Listeners)
{
await listener.SendAsync(buffer, WebSocketMessageType.Text, true, CancellationToken.None);
}
}
else
{
break;
}
}
}
public ActionResult NewMessage(UserMessage model)
{
if (model.UserName != null)
{
_db.AddMessage(model.UserName, model.Message);
}
return(RedirectToAction("Index"));
}
public void Send(string name, string message)
{
_db.AddMessage(name, message);
Clients.All.addMessage(name, message);
}