private void AcceptTcpClientCallback(IAsyncResult ar)
{
TcpListener listenerInstance = (TcpListener)ar.AsyncState;
TcpClient client = listenerInstance.EndAcceptTcpClient(ar);
Console.WriteLine("WebSocketClient connected from " + client.Client.RemoteEndPoint);
WebSocketTcpClient webSocketTcpClient = new WebSocketTcpClient(client, isSecureListener);
webSocketTcpClient.OnDidClose += (endpoint, wsClient) =>
{
Console.WriteLine("Removing WebSocketClient ... " + endpoint);
if (connectedWebSockets.Contains(webSocketTcpClient))
{
connectedWebSockets.Remove(webSocketTcpClient);
}
};
webSocketTcpClient.OnDidRead += (data) =>
{
OnReceiveBytes?.Invoke(data);
};
// TODO: Implement "CONNECTING" and "CONNECTED" states to limit
// the number of "CONNECTING" requests from a specific client to "one"
connectedWebSockets.Add(webSocketTcpClient);
webSocketTcpClient.Start();
// Wait for more clients
listenerInstance.BeginAcceptTcpClient(AcceptTcpClientCallback, listenerInstance);
}
/// <summary>
/// Receives this instance.
/// </summary>
private async void Receive()
{
while (true)
{
byte[] bytes;
try
{
bytes = await ReceiveBytesAsync(_cancellationTokenSource.Token).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
OnClosed();
break;
}
catch (Exception ex)
{
_logger.LogError("Error receiving web socket message", ex);
break;
}
// Connection closed
if (bytes == null)
{
break;
}
OnReceiveBytes?.Invoke(bytes);
}
}