File size: 986 Bytes
1d3f990 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | //! Telemetry — Live mutation delta streaming
use crate::memory::Address;
use serde::{Deserialize, Serialize};
use std::sync::Arc;
use crossbeam::channel::{Sender, Receiver, unbounded};
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct MutationDelta {
pub address: Address,
pub old_value: i64,
pub new_value: i64,
pub ip: Address,
pub step: u64,
}
pub struct TelemetryEmitter {
tx: Sender<MutationDelta>,
}
impl TelemetryEmitter {
pub fn new() -> (Arc<Self>, Receiver<MutationDelta>) {
let (tx, rx) = unbounded();
(Arc::new(Self { tx }), rx)
}
pub fn emit(&self, delta: MutationDelta) {
let _ = self.tx.send(delta);
}
pub fn try_recv(&self, rx: &Receiver<MutationDelta>) -> Option<MutationDelta> {
rx.try_recv().ok()
}
}
impl Default for TelemetryEmitter {
fn default() -> Self {
let (tx, _) = unbounded();
Self { tx }
}
}
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