55 lines
2.3 KiB
Rust
55 lines
2.3 KiB
Rust
use crate::config::{Config, Error};
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use std::time::{Duration, Instant};
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use tokio::timer::{Interval};
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use futures::{future::{lazy, Future}, stream::Stream};
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use oping::{Ping};
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use log::{trace, debug, info, warn, error};
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use prometheus::*;
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use lazy_static::lazy_static;
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lazy_static! {
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static ref PING_HISTOGRAM : HistogramVec = register_histogram_vec!(
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"ping_rtt_milliseconds",
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"The ping round trip time in milliseconds",
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&["target"],
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vec![0.5, 1.0, 5.0, 10.0, 15.0, 20.0, 25.0, 50.0, 75.0, 100.0, 150.0, 200.0, 250.0,
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300.0, 350.0, 400.0, 450.0, 500.0, 550.0, 600.0, 650.0, 700.0, 750.0, 800.0, 900.0,
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1000.0, 1250.0, 1500.0, 1750.0, 2000.0]
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).unwrap();
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}
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pub(crate) fn start_pinging_hosts(config: &Config) {
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for (host, interval) in config.hosts.clone() {
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info!("Spawn ping task for {}", host);
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tokio::spawn(
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Interval::new(Instant::now(), Duration::from_millis(interval))
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.for_each(move |_| {
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let mut ping = Ping::new();
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ping.set_timeout(2.5);
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ping.add_host(&host);
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for response in match ping.send() {
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Ok(iterator) => iterator,
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Err(e) => {
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error!("Something went wrong sending the ping: {:?}", e);
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return Ok(());
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}
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}{
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if response.dropped > 0 {
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debug!("No response from host: {}", response.hostname);
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PING_HISTOGRAM
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.with_label_values(&[&host])
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.observe(2500.0)
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} else {
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debug!("Response from host {} (address {}): latency {} ms",
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response.hostname, response.address, response.latency_ms);
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trace!(" all details: {:?}", response);
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PING_HISTOGRAM
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.with_label_values(&[&host])
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.observe(response.latency_ms);
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}
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}
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Ok(())
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}).map_err(|_| ())
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);
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}
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} |