Struct HttpRequestMetrics 

pub struct HttpRequestMetrics { /* private fields */ }

Implementations

impl HttpRequestMetrics

pub fn new() -> Self

pub fn record(&self, method: &'static str, route: &'static str, status: u16)

Record one handled HTTP request. method and route must already be normalized to bounded static labels by the caller (the verb set and the route catalog are the authorities); status is the raw response code, folded to its class here.

pub fn count(&self, labels: HttpRequestLabels) -> u64

Current value of one series, or 0 if never incremented. Visible for tests and the read model.

pub fn snapshot(&self) -> Vec<(HttpRequestLabels, u64)>

Deterministically-ordered snapshot of every recorded series. This is the substrate read surface: /metrics renders it and the operational read model (red-ui / /cluster/status summaries) derives request throughput from the same measured facts.

pub fn render(&self, body: &mut String)

Render reddb_http_requests_total{method,route,status} in Prometheus text exposition format, appending to body. Per ADR 0017 this is a boundary adapter: it reads the substrate snapshot and shapes it, it owns no storage. An empty substrate emits only HELP/TYPE (Prometheus has no envelope concept; absent series read as “nothing happened”).

Trait Implementations

impl Clone for HttpRequestMetrics

fn clone(&self) -> HttpRequestMetrics

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for HttpRequestMetrics

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for HttpRequestMetrics

fn default() -> Self

Returns the “default value” for a type.