Struct RequestMetrics 

pub struct RequestMetrics { /* private fields */ }

Request metrics collector

Implementations

impl RequestMetrics

pub fn new() -> Result<Self>

Create new metrics collector and register with Prometheus

pub fn record_request( &self, route: &str, method: &str, status: u16, duration: Duration, )

Record a completed request

pub fn inc_active_requests(&self)

Increment active request counter

pub fn dec_active_requests(&self)

Decrement active request counter

pub fn record_upstream_attempt(&self, upstream: &str, route: &str)

Record an upstream attempt

pub fn record_upstream_failure(&self, upstream: &str, route: &str, reason: &str)

Record an upstream failure

pub fn set_circuit_breaker_state( &self, component: &str, route: &str, is_open: bool, )

Update circuit breaker state

pub fn record_agent_latency(&self, agent: &str, event: &str, duration: Duration)

Record agent call latency

pub fn record_agent_timeout(&self, agent: &str, event: &str)

Record agent timeout

pub fn record_blocked_request(&self, reason: &str)

Record a blocked request

pub fn record_request_body_size(&self, route: &str, size_bytes: usize)

Record request body size

pub fn record_response_body_size(&self, route: &str, size_bytes: usize)

Record response body size

pub fn record_tls_handshake(&self, version: &str, duration: Duration)

Record TLS handshake duration

pub fn update_connection_pool(&self, upstream: &str, size: i64, idle: i64)

Update connection pool metrics

pub fn record_connection_acquired(&self, upstream: &str)

Record connection acquisition from pool

pub fn update_system_metrics(&self)

Update system metrics

pub fn set_open_connections(&self, count: i64)

Set open connections count