forked from Deuxfleurs/garage
36 lines
1 KiB
Rust
36 lines
1 KiB
Rust
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use std::time::SystemTime;
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use futures::{future::BoxFuture, Future, FutureExt};
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use opentelemetry::{KeyValue, metrics::*};
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pub trait RecordDuration<'a>: 'a {
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type Output;
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fn record_duration(self, r: &'a ValueRecorder<f64>, attributes: &'a [KeyValue]) -> BoxFuture<'a, Self::Output>;
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fn bound_record_duration(self, r: &'a BoundValueRecorder<f64>) -> BoxFuture<'a, Self::Output>;
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}
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impl<'a, T, O> RecordDuration<'a> for T
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where T: Future<Output=O> + Send + 'a {
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type Output = O;
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fn record_duration(self, r: &'a ValueRecorder<f64>, attributes: &'a [KeyValue]) -> BoxFuture<'a, Self::Output> {
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async move {
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let request_start = SystemTime::now();
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let res = self.await;
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r.record(request_start.elapsed().map_or(0.0, |d| d.as_secs_f64()), attributes);
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res
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}.boxed()
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}
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fn bound_record_duration(self, r: &'a BoundValueRecorder<f64>) -> BoxFuture<'a, Self::Output> {
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async move {
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let request_start = SystemTime::now();
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let res = self.await;
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r.record(request_start.elapsed().map_or(0.0, |d| d.as_secs_f64()));
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res
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}.boxed()
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}
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}
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