88 lines
2.9 KiB
Rust
88 lines
2.9 KiB
Rust
//! PohTimingReportService module
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use {
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crate::poh_timing_reporter::PohTimingReporter,
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solana_metrics::poh_timing_point::{PohTimingReceiver, SlotPohTimingInfo},
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std::{
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string::ToString,
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sync::{
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atomic::{AtomicBool, Ordering},
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Arc,
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},
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thread::{self, Builder, JoinHandle},
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time::Duration,
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},
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};
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/// Timeout to wait on the poh timing points from the channel
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const POH_TIMING_RECEIVER_TIMEOUT_MILLISECONDS: u64 = 1000;
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/// The `poh_timing_report_service` receives signals of relevant timing points
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/// during the processing of a slot, (i.e. from blockstore and poh), aggregate and
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/// report the result as datapoints.
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pub struct PohTimingReportService {
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t_poh_timing: JoinHandle<()>,
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}
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impl PohTimingReportService {
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pub fn new(receiver: PohTimingReceiver, exit: &Arc<AtomicBool>) -> Self {
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let exit_signal = exit.clone();
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let mut poh_timing_reporter = PohTimingReporter::default();
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let t_poh_timing = Builder::new()
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.name("solPohTimingRpt".to_string())
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.spawn(move || loop {
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if exit_signal.load(Ordering::Relaxed) {
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break;
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}
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if let Ok(SlotPohTimingInfo {
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slot,
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root_slot,
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timing_point,
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}) = receiver.recv_timeout(Duration::from_millis(
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POH_TIMING_RECEIVER_TIMEOUT_MILLISECONDS,
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)) {
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poh_timing_reporter.process(slot, root_slot, timing_point);
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}
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})
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.unwrap();
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Self { t_poh_timing }
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}
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pub fn join(self) -> thread::Result<()> {
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self.t_poh_timing.join()
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}
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}
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#[cfg(test)]
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mod test {
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use {
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super::*, crossbeam_channel::unbounded, solana_metrics::poh_timing_point::SlotPohTimingInfo,
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};
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#[test]
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/// Test the life cycle of the PohTimingReportService
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fn test_poh_timing_report_service() {
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let (poh_timing_point_sender, poh_timing_point_receiver) = unbounded();
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let exit = Arc::new(AtomicBool::new(false));
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// Create the service
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let poh_timing_report_service =
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PohTimingReportService::new(poh_timing_point_receiver, &exit);
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// Send SlotPohTimingPoint
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let _ = poh_timing_point_sender.send(SlotPohTimingInfo::new_slot_start_poh_time_point(
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42, None, 100,
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));
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let _ = poh_timing_point_sender.send(SlotPohTimingInfo::new_slot_end_poh_time_point(
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42, None, 200,
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));
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let _ = poh_timing_point_sender.send(SlotPohTimingInfo::new_slot_full_poh_time_point(
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42, None, 150,
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));
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// Shutdown the service
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exit.store(true, Ordering::Relaxed);
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poh_timing_report_service
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.join()
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.expect("poh_timing_report_service completed");
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}
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}
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