Struct MetricsMiddleware 

pub struct MetricsMiddleware { /* private fields */ }

性能监控中间件

记录消息处理耗时

Implementations

impl MetricsMiddleware

pub fn new(name: impl Into<String>) -> Self

创建新的性能监控中间件

Trait Implementations

impl MessageMiddleware for MetricsMiddleware

fn before<'life0, 'life1, 'async_trait>( &'life0 self, ctx: &'life1 MessageContext, ) -> Pin<Box<dyn Future<Output = Result<Option<Frame>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

处理消息（在业务处理之前）

fn after<'life0, 'life1, 'async_trait>( &'life0 self, ctx: &'life1 MessageContext, response: Option<Frame>, ) -> Pin<Box<dyn Future<Output = Result<Option<Frame>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

处理消息（在业务处理之后）

fn name(&self) -> &str

中间件名称（用于调试和日志）

fn priority(&self) -> u32

中间件优先级（数字越小优先级越高）