This is an extension that provides a client version of a WebSockets API for transmitting robot hardware interface state over a network. See the Robot Hardware Interface WebSockets API specification for more details on the protocol.
The WebSockets client has a number of configuration options available through environment variables.
HALSIMWS_HOST: The host to connect to. Defaults to localhost.
HALSIMWS_PORT: The port number to connect to. Defaults to 3300.
HALSIMWS_URI: The URI path to connect to. Defaults to "/wpilibws".