use xdp_firewall_common::Stats;

pub struct Rate {
    pub pps: u64,
    pub bps: u64,
}

pub fn compute_rate(now: Stats, last: Stats, elapsed_secs: f64) -> Rate {
    let pkts = now.packets.saturating_sub(last.packets);
    let bytes = now.bytes.saturating_sub(last.bytes);
    Rate {
        pps: (pkts as f64 / elapsed_secs) as u64,
        bps: (bytes as f64 / elapsed_secs) as u64,
    }
}