57 lines
1.3 KiB
Rust
57 lines
1.3 KiB
Rust
use once_cell::sync::Lazy;
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use prometheus::{register_int_counter, IntCounter};
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macro_rules! init_counters {
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($(($counter:ident, $ty:ty, $name:literal, $desc:literal),)*) => {
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$(
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pub static $counter: Lazy<$ty> = Lazy::new(|| {
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register_int_counter!($name, $desc).unwrap()
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});
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)*
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#[allow(clippy::shadow_unrelated)]
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pub fn init() {
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$(let _a = $counter.get();)*
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}
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};
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}
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init_counters!(
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(
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CACHE_HIT_COUNTER,
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IntCounter,
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"cache_hit_total",
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"The number of cache hits."
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),
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(
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CACHE_MISS_COUNTER,
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IntCounter,
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"cache_miss_total",
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"The number of cache misses."
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),
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(
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REQUESTS_TOTAL_COUNTER,
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IntCounter,
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"requests_total",
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"The total number of requests served."
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),
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(
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REQUESTS_DATA_COUNTER,
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IntCounter,
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"requests_data_total",
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"The number of requests served from the /data endpoint."
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),
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(
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REQUESTS_DATA_SAVER_COUNTER,
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IntCounter,
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"requests_data_saver_total",
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"The number of requests served from the /data-saver endpoint."
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),
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(
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REQUESTS_OTHER_COUNTER,
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IntCounter,
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"requests_other_total",
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"The total number of request not served by primary endpoints."
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),
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);
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