rill_view/tracers/data/
histogram.rs

1use crate::flow::data::histogram::{HistogramEvent, HistogramState};
2use derive_more::{Deref, DerefMut};
3use rill_engine::tracers::tracer::Tracer;
4use rill_protocol::io::provider::Path;
5use std::time::SystemTime;
6
7/// Tracers `Histogram` metrics.
8#[derive(Debug, Deref, DerefMut, Clone)]
9pub struct HistogramTracer {
10    tracer: Tracer<HistogramState>,
11}
12
13impl HistogramTracer {
14    /// Creates a new tracer instance.
15    pub fn new(path: Path, levels: Vec<f64>) -> Self {
16        let state = HistogramState::new(levels, None);
17        let tracer = Tracer::new_push(state, path).0;
18        Self { tracer }
19    }
20
21    /// Add value of the histogram.
22    pub fn add(&self, value: f64, timestamp: Option<SystemTime>) {
23        let data = HistogramEvent::Add(value);
24        self.tracer.send(data, timestamp, None);
25    }
26}