sub connect_websock {
    $ua->websocket('ws://localhost:3000/path' => sub {
        my ($ua, $tx) = @_;
        if (my $err = $tx->error) {
            say "Error: $err";
            Mojo::IOLoop->timer(5 => \&connect_websock);
            return
        }
        $tx->on(message => sub {
            my ($tx, $msg) = @_;
            say $msg;
        });

        $tx->on(finish => sub {
            Mojo::IOLoop->timer(5 => \&connect_websock);
        }
    });
}

connect_websock();