broadcast method
broadcast to all connected sessions exclude sender
event.broadcast('event',payload)
Implementation
@override
void broadcast(String event, dynamic payload) {
List<SessionInfo> sessions = session.getActiveSessions();
sessions.removeWhere((item) => item.sessionId == id);
sessions.shuffle();
for (SessionInfo session in sessions) {
session.websocket.add(jsonEncode({'event': event, 'payload': payload}));
}
}