Struct HttpCacheMiddleware 

pub struct HttpCacheMiddleware { /* private fields */ }

File-backed HTTP response cache middleware. Middleware that caches successful HTTP responses on disk.

Implementations

impl HttpCacheMiddleware

pub fn builder() -> HttpCacheMiddlewareBuilder

Creates a new HttpCacheMiddlewareBuilder to start building an HttpCacheMiddleware.

Trait Implementations

impl Debug for HttpCacheMiddleware

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

Formats the value using the given formatter.

impl<C> Middleware<C> for HttpCacheMiddleware

where C: Send + Sync,

fn name(&self) -> &str

Returns a human-readable middleware name for logs and diagnostics.

fn process_request<'life0, 'life1, 'async_trait>( &'life0 self, _client: &'life1 C, request: Request, ) -> Pin<Box<dyn Future<Output = Result<MiddlewareAction<Request>, SpiderError>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, HttpCacheMiddleware: 'async_trait,

Intercepts an outgoing request before the downloader runs.

fn process_response<'life0, 'async_trait>( &'life0 self, response: Response, ) -> Pin<Box<dyn Future<Output = Result<MiddlewareAction<Response>, SpiderError>> + Send + 'async_trait>>

where 'life0: 'async_trait, HttpCacheMiddleware: 'async_trait,

Intercepts a successful response after download.

fn handle_error<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, _request: &'life1 Request, error: &'life2 SpiderError, ) -> Pin<Box<dyn Future<Output = Result<MiddlewareAction<Request>, SpiderError>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait, Self: 'async_trait,

Handles downloader errors for a request.