use std::error::Error;
use neli::{consts::socket::NlFamily, err::NlError, socket::NlSocketHandle};
fn main() -> Result<(), Box<dyn Error>> {
// Create a socket and connect to generic netlink.
let mut sock = NlSocketHandle::connect(NlFamily::Generic, None, &[])?;
// Attempt to resolve a multicast group that should not exist.
let error = sock.resolve_nl_mcast_group("not_a", "group");
match error {
Ok(_) => panic!("Should not succeed"),
Err(NlError::Nlmsgerr(e)) => {
// Should be packet that caused error
println!("{:?}", e);
}
Err(_) => panic!("Should not return any error other than NlError"),
};
Ok(())
}