Struct DegradationManager 

pub struct DegradationManager {
    level: RwLock<RawRwLock, DegradationLevel>,
    policy: LoadSheddingPolicy,
    callbacks: RwLock<RawRwLock, Vec<Arc<dyn Fn(DegradationLevel, DegradationLevel) + Send + Sync>>>,
    shed_counter: AtomicU64,
    total_requests: AtomicU64,
    shed_requests: AtomicU64,
}

Graceful degradation manager.

Fields

level: RwLock<RawRwLock, DegradationLevel>

policy: LoadSheddingPolicy

callbacks: RwLock<RawRwLock, Vec<Arc<dyn Fn(DegradationLevel, DegradationLevel) + Send + Sync>>>

shed_counter: AtomicU64

total_requests: AtomicU64

shed_requests: AtomicU64

Implementations

impl DegradationManager

pub fn new() -> Arc<DegradationManager>

Create a new degradation manager.

pub fn with_policy(policy: LoadSheddingPolicy) -> Arc<DegradationManager>

Create with custom policy.

pub fn level(&self) -> DegradationLevel

Get current degradation level.

pub fn set_level(&self, new_level: DegradationLevel)

Set degradation level.

pub fn on_level_change<F>(&self, callback: F)

where F: Fn(DegradationLevel, DegradationLevel) + Send + Sync + 'static,

Register level change callback.

pub fn should_shed(&self) -> bool

Check if request should be shed.

pub fn is_feature_disabled(&self, required_level: DegradationLevel) -> bool

Check if a feature should be disabled at current level.

pub fn stats(&self) -> DegradationStats

Get shedding statistics.

Trait Implementations

impl Default for DegradationManager

fn default() -> DegradationManager

Returns the “default value” for a type.