Struct dipstick::ThreadLabel

pub struct ThreadLabel;

Handle metric labels for the current thread. App scope labels have the lowest lookup priority and serve as a fallback to other scopes.

Implementations

impl ThreadLabel

pub fn get(key: &str) -> Option<Arc<String>>

Retrieve a value from the thread scope.

pub fn set<S: Into<String>>(key: S, value: S)

Set a new value for the thread scope. Replaces any previous value for the key.

Examples found in repository

examples/prometheus_labels.rs (line 13)

fn main() {
    let metrics = Prometheus::push_to("http://localhost:9091/metrics/job/prometheus_example")
        .expect("Prometheus Socket")
        .named("my_app")
        .metrics();

    AppLabel::set("abc", "456");
    ThreadLabel::set("xyz", "123");

    loop {
        metrics.counter("counter_a").count(123);
        metrics.timer("timer_a").interval_us(2000000);
        std::thread::sleep(Duration::from_millis(40));
    }
}

pub fn unset(key: &str)

Unset a value for the app scope. Has no effect if key was not set.