in websocketserver/websocketserver.go [191:204]
func (s *Server) startPolling() {
go func() {
for range s.ticker.C {
if s.conn == nil {
return
}
if err := s.conn.WriteMessage(websocket.PingMessage, nil); err != nil {
logrus.Error("error sending ping message: ", err)
return
}
}
}()
}