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use crate::{error::Error, peer::Peer};
use serde::{Deserialize, Serialize};
use xor_name::XorName;
pub const MIN_AGE: u8 = 4;
#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Serialize, Deserialize, Debug)]
pub struct MemberInfo {
pub peer: Peer,
pub state: PeerState,
}
impl MemberInfo {
pub fn joined(peer: Peer) -> Self {
Self {
peer,
state: PeerState::Joined,
}
}
pub fn is_mature(&self) -> bool {
self.peer.age() > MIN_AGE
}
pub fn leave(self) -> Result<Self, Error> {
if let PeerState::Relocated(_) = self.state {
return Err(Error::InvalidState);
}
Ok(Self {
state: PeerState::Left,
..self
})
}
pub fn relocate(self, destination: XorName) -> Self {
Self {
state: PeerState::Relocated(destination),
..self
}
}
}
#[derive(Clone, Copy, Eq, PartialEq, Ord, PartialOrd, Hash, Serialize, Deserialize, Debug)]
pub enum PeerState {
Joined,
Left,
Relocated(XorName),
}