Various asynchronous UDP classes.
Please do not use this module directly.
| Class | Port | UDP port, listening for packets. |
| Class | MulticastMixin | Implement multicast functionality. |
| Class | MulticastPort | UDP Port that supports multicasting. |
| Variable | _sockErrReadIgnore | list of symbolic error constants (from the errno module) representing socket errors where the error is temporary and can be ignored. |
| Variable | _sockErrReadRefuse | list of symbolic error constants (from the errno module) representing socket errors that indicate connection refused. |
errno module) representing socket errors where the error is temporary and can be ignored.errno module) representing socket errors that indicate connection refused.