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use base64;
use std::fmt::{self, Display, Formatter};
use std::net::{IpAddr, SocketAddr};

#[derive(Clone, Debug, Default)]
pub struct PeerInfo {
    pub pub_key: [u8; 32],
    pub psk: Option<[u8; 32]>,
    pub endpoint: Option<SocketAddr>,
    pub allowed_ips: Vec<(IpAddr, u32)>,
    pub keepalive: Option<u16>,
}

impl Display for PeerInfo {
    fn fmt(&self, f: &mut Formatter) -> fmt::Result {
        let encoded = base64::encode(&self.pub_key);
        write!(f, "{}...{}", &encoded[..4], &encoded[encoded.len()-4..])
    }
}

#[derive(Clone, Debug, Default)]
pub struct InterfaceInfo {
    pub private_key: Option<[u8; 32]>,
    pub pub_key: Option<[u8; 32]>,
    pub listen_port: Option<u16>,
}