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/*
* SPDX-FileCopyrightText: 2020 Stalwart Labs Ltd <hello@stalw.art>
*
* SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-SEL
*/
use std::{fmt::Display, net::IpAddr, time::Instant};
use super::{Gossiper, Peer, PeerStatus, State, HEARTBEAT_WINDOW};
impl Peer {
pub fn new_seed(addr: IpAddr) -> Self {
Peer {
epoch: 0,
gen_config: 0,
gen_lists: 0,
gen_permissions: 0,
addr,
state: State::Seed,
last_heartbeat: Instant::now(),
hb_window: vec![0; HEARTBEAT_WINDOW],
hb_window_pos: 0,
hb_sum: 0,
hb_sq_sum: 0,
hb_is_full: false,
}
}
pub fn is_seed(&self) -> bool {
self.state == State::Seed
}
pub fn is_alive(&self) -> bool {
self.state == State::Alive
}
pub fn is_suspected(&self) -> bool {
self.state == State::Suspected
}
pub fn is_healthy(&self) -> bool {
matches!(self.state, State::Alive | State::Suspected)
}
pub fn is_offline(&self) -> bool {
matches!(self.state, State::Offline | State::Left)
}
}
impl Gossiper {
pub fn is_peer_healthy(&self, addr: &IpAddr) -> bool {
self.peers.iter().any(|p| &p.addr == addr && p.is_healthy())
}
pub fn get_peer(&self, addr: &IpAddr) -> Option<&Peer> {
self.peers.iter().find(|p| &p.addr == addr)
}
pub fn is_known_peer(&self, addr: &IpAddr) -> bool {
self.peers.iter().any(|p| &p.addr == addr)
}
pub fn get_peer_mut(&mut self, addr: &IpAddr) -> Option<&mut Peer> {
self.peers.iter_mut().find(|p| &p.addr == addr)
}
pub fn build_peer_status(&self) -> Vec<PeerStatus> {
let mut result: Vec<PeerStatus> = Vec::with_capacity(self.peers.len() + 1);
result.push(self.into());
for peer in self.peers.iter() {
result.push(peer.into());
}
result
}
}
impl From<PeerStatus> for Peer {
fn from(value: PeerStatus) -> Self {
Peer {
addr: value.addr,
epoch: value.epoch,
gen_config: value.gen_config,
gen_lists: value.gen_lists,
gen_permissions: value.gen_permissions,
state: State::Alive,
last_heartbeat: Instant::now(),
hb_window: vec![0; HEARTBEAT_WINDOW],
hb_window_pos: 0,
hb_sum: 0,
hb_sq_sum: 0,
hb_is_full: false,
}
}
}
impl Display for Peer {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.addr)
}
}
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