Struct CachedUploadTokenProvider

pub struct CachedUploadTokenProvider<P: Clone> { /* private fields */ }

缓存生成的上传凭证

内部存储另一个上传凭证获取接口的实例，该结构为之提供指定时间内的缓存，避免每次都要重新生成新的上传凭证。

Implementations

impl<P: Clone> CachedUploadTokenProvider<P>

pub fn new(inner_provider: P, cache_lifetime: Duration) -> Self

创建上传凭证缓存，需要提供另一个上传凭证获取接口的实例，和需要缓存的时长

Trait Implementations

impl<P: Clone + Clone> Clone for CachedUploadTokenProvider<P>

fn clone(&self) -> CachedUploadTokenProvider<P>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<P: Debug + Clone> Debug for CachedUploadTokenProvider<P>

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

Formats the value using the given formatter.

impl<P: UploadTokenProvider + Clone> UploadTokenProvider for CachedUploadTokenProvider<P>

fn access_key(&self, opts: GetAccessKeyOptions) -> ParseResult<GotAccessKey>

从上传凭证内获取 AccessKey

fn policy(&self, opts: GetPolicyOptions) -> ParseResult<GotUploadPolicy<'_>>

从上传凭证内获取上传策略

fn to_token_string(&self, opts: ToStringOptions) -> ToStringResult<Cow<'_, str>>

生成字符串

fn async_access_key( &self, opts: GetAccessKeyOptions, ) -> Pin<Box<dyn Future<Output = ParseResult<GotAccessKey>> + Send + '_>>

Available on crate feature async only.

异步从上传凭证内获取 AccessKey

fn async_policy( &self, opts: GetPolicyOptions, ) -> Pin<Box<dyn Future<Output = ParseResult<GotUploadPolicy<'_>>> + Send + '_>>

Available on crate feature async only.

异步从上传凭证内获取上传策略

fn async_to_token_string( &self, opts: ToStringOptions, ) -> Pin<Box<dyn Future<Output = ToStringResult<Cow<'_, str>>> + Send + '_>>

Available on crate feature async only.

异步生成字符串