private async Task HandleSquareChangeRequest(SquareChangeRequest request)
{
var theSquare = _squares.First(sq => sq.Id == request.Id);
theSquare.Color = request.Color;
await SendSquaresToAll();
await AnnounceSquareChange(request);
}
private async Task AnnounceSquareChange(SquareChangeRequest request)
{
var message = new SocketMessage <string>
{
MessageType = "announce",
Payload = $"{request.Name} has changed square #{request.Id} to {request.Color}"
};
await SendAll(message.ToJson());
}
public async Task AddUser(WebSocket socket)
{
try
{
var name = GenerateName();
var userAddedSuccessfully = _users.TryAdd(name, socket);
while (!userAddedSuccessfully)
{
name = GenerateName();
userAddedSuccessfully = _users.TryAdd(name, socket);
}
GiveUserTheirName(name, socket).Wait();
AnnounceNewUser(name).Wait();
SendSquares(socket).Wait();
while (socket.State == WebSocketState.Open)
{
var buffer = new byte[1024 * 4];
WebSocketReceiveResult socketResponse;
var package = new List <byte>();
do
{
socketResponse = await socket.ReceiveAsync(new ArraySegment <byte>(buffer), CancellationToken.None);
package.AddRange(new ArraySegment <byte>(buffer, 0, socketResponse.Count));
} while (!socketResponse.EndOfMessage);
var bufferAsString = System.Text.Encoding.ASCII.GetString(package.ToArray());
if (!string.IsNullOrEmpty(bufferAsString))
{
var changeRequest = SquareChangeRequest.FromJson(bufferAsString);
await HandleSquareChangeRequest(changeRequest);
}
}
await socket.CloseAsync(WebSocketCloseStatus.NormalClosure, "", CancellationToken.None);
}
catch (Exception ex)
{ }
}