call method
As the WebSocket handler cast to Spry Handler.
Implementation
FutureOr<void> call(Context context) async {
final request = _httpRequest(context);
if (!WebSocketTransformer.isUpgradeRequest(request)) {
return fallback?.call(context) ?? _defaultFallback();
}
final websocket = await WebSocketTransformer.upgrade(
request,
protocolSelector: protocolSelector,
compression: compression,
);
return Future.value(onConnected(websocket)).then(
(value) => websocket.done.then((_) => value),
);
}