private Task Send <T>(T message, Func <T, byte[]> createFrame)
{
if (Handler == null)
{
throw new InvalidOperationException("Cannot send before handshake");
}
if (!IsAvailable)
{
const string errorMessage = "Data sent while closing or after close. Ignoring.";
NTWebSocketLog.Warn(errorMessage);
var taskForException = new TaskCompletionSource <object>();
taskForException.SetException(new ConnectionNotAvailableException(errorMessage));
return(taskForException.Task);
}
var bytes = createFrame(message);
return(SendBytes(bytes));
}
private void OnClientConnect(ISocket clientSocket)
{
if (clientSocket == null)
{
return; // socket closed
}
NTWebSocketLog.Debug(String.Format("Client connected from {0}:{1}", clientSocket.RemoteIpAddress, clientSocket.RemotePort.ToString()));
ListenForClients();
WebSocketConnection connection = null;
connection = new WebSocketConnection(
clientSocket,
initialize: _config,
parseRequest: bytes => RequestParser.Parse(bytes, _scheme),
handlerFactory: r => HandlerFactory.BuildHandler(
request: r,
onMessage: s => connection.OnMessage(s),
onClose: connection.Close,
onBinary: b => connection.OnBinary(b),
onPing: b => connection.OnPing(b),
onPong: b => connection.OnPong(b)),
negotiateSubProtocol: s => SubProtocolNegotiator.Negotiate(SupportedSubProtocols, s));
if (IsSecure)
{
NTWebSocketLog.Debug("Authenticating Secure Connection");
clientSocket
.Authenticate(Certificate,
EnabledSslProtocols,
connection.StartReceiving,
e => NTWebSocketLog.Warn("Failed to Authenticate", e));
}
else
{
connection.StartReceiving();
}
}