Struct Backend 

pub struct Backend {
    pub addr: SocketAddr,
    /* private fields */
}

Per-backend state with atomic connection counting and health tracking.

Fields

addr: SocketAddr

The network address of this backend.

Implementations

impl Backend

pub fn new(addr: SocketAddr) -> Self

Create a new backend that starts healthy with zero active connections.

pub fn track_connection(self: &Arc<Self>) -> ConnectionGuard

Increment the active connection count and return an RAII guard that decrements it on drop.

pub fn active_connections(&self) -> u64

Current number of in-flight connections.

pub fn is_healthy(&self) -> bool

Returns true if the backend is currently marked healthy.

Panics

Panics if the health RwLock is poisoned.

pub fn set_healthy(&self)

Mark this backend as healthy.

Panics

Panics if the health RwLock is poisoned.

pub fn set_unhealthy(&self)

Mark this backend as unhealthy.

Panics

Panics if the health RwLock is poisoned.

pub fn record_failure(&self)

Record one consecutive health-check failure.

pub fn reset_failures(&self)

Reset the consecutive failure counter to zero.

pub fn consecutive_failures(&self) -> u64

Number of consecutive health-check failures.

Trait Implementations

impl Debug for Backend

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

Formats the value using the given formatter.