Struct RetryPolicy 

pub struct RetryPolicy {
    pub max_attempts: u32,
    pub initial_delay: Duration,
    pub backoff_multiplier: f64,
    pub max_delay: Duration,
}

重试策略

Fields

max_attempts: u32

最大重试次数

initial_delay: Duration

初始延迟

backoff_multiplier: f64

延迟倍数（指数退避）

max_delay: Duration

最大延迟

Implementations

impl RetryPolicy

pub fn new(max_attempts: u32) -> Self

创建新的重试策略

pub fn initial_delay(self, delay: Duration) -> Self

设置初始延迟

pub fn backoff(self, multiplier: f64) -> Self

设置退避倍数

pub fn delay_for_attempt(&self, attempt: u32) -> Duration

计算第 n 次重试的延迟

pub fn should_retry(&self, attempt: u32, error: &Error) -> bool

检查是否应该重试

Trait Implementations

impl Clone for RetryPolicy

fn clone(&self) -> RetryPolicy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RetryPolicy

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

Formats the value using the given formatter.

impl Default for RetryPolicy

fn default() -> Self

Returns the “default value” for a type.