Trait cadence::MetricSink

pub trait MetricSink {
    fn emit(&self, metric: &str) -> Result<usize>;
}

Trait for various backends that send Statsd metrics somewhere.

The metric string will be in the canonical format to be sent to a Statsd server. The metric string will not include a trailing newline. Examples of each supported metric type are given below.

Counter

some.counter:123|c

Timer

some.timer:456|ms

Gauge

some.gauge:5|g

Meter

some.meter:8|m

Histogram

some.histogram:4|h

Set

some.set:2|s

See the Statsd spec for more information.

Required methods

fn emit(&self, metric: &str) -> Result<usize>

Send the Statsd metric using this sink and return the number of bytes written or an I/O error.

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Implementors

impl MetricSink for BufferedUdpMetricSink

fn emit(&self, metric: &str) -> Result<usize>

impl MetricSink for BufferedUnixMetricSink

fn emit(&self, metric: &str) -> Result<usize>

impl MetricSink for NopMetricSink

fn emit(&self, metric: &str) -> Result<usize>

impl MetricSink for QueuingMetricSink

fn emit(&self, metric: &str) -> Result<usize>

impl MetricSink for UdpMetricSink

fn emit(&self, metric: &str) -> Result<usize>

impl MetricSink for UnixMetricSink

fn emit(&self, metric: &str) -> Result<usize>

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