start method
Starts this server.
Implementation
Future<bool> start() async {
if (_started) return true;
_started = true;
_starting = true;
return _startAsync = _startImpl().then((ok) {
_starting = false;
_startAsync = null;
return ok;
}, onError: (e, s) {
_starting = false;
_startAsync = null;
_log.severe("Initialization error", e, s);
throw e;
});
}