PluralKit/crates/libpk/src/state.rs

#[derive(serde::Serialize, serde::Deserialize, Clone, Default, Debug)]
pub struct ShardState {
    pub shard_id: i32,
    pub up: bool,
    pub disconnection_count: i32,
    /// milliseconds
    pub latency: i32,
    /// unix timestamp
    pub last_heartbeat: i32,
    pub last_connection: i32,
    pub cluster_id: Option<i32>,
}

pub enum ShardStateEvent {
    Closed,
    Heartbeat,
    Other,
}