Module http_cache

Expand description

Structs§

CacheKey: The key used to differentiate requests in the cache.
CachedMetadata 🔒: Metadata about a loaded resource, such as is obtained from HTTP headers.
CachedResource: A complete cached resource.
CachedResponse 🔒: Wrapper around a cached response, including information on re-validation needs
HttpCache: A simple memory cache. Elements will be evicted based on the cache heuristic. We weight elements by the number of entries per given url. We evict currently a whole url. The cache makes extensive use of Arc::unwrap_or_clone or and Arc::into_inner to modify the cached entries. This is ok because CachedResource are cheap to clone

CachedResourcesOrGuard: Returns an writeable entry into the cache or a guard for insertint an entry The guard will block other queries to the cache entry in both cases.

calculate_response_age 🔒: Calculating Age https://tools.ietf.org/html/rfc7234#section-4.2.3
construct_response 🔒: Constructing Responses from Caches. https://tools.ietf.org/html/rfc7234#section-4
create_cached_response 🔒: Create a CachedResponse from a request and a CachedResource.
create_resource_with_bytes_from_resource 🔒: Create a new resource, based on the bytes requested, and an existing resource, with a status-code of 206.
get_expiry_adjustment_from_request_headers 🔒: Request Cache-Control Directives https://tools.ietf.org/html/rfc7234#section-5.2.1
get_response_expiry 🔒: Determine the expiry date from relevant headers, or uses a heuristic if none are present.
handle_range_request 🔒: Support for range requests https://tools.ietf.org/html/rfc7233.
invalidate 🔒: Invalidation. https://tools.ietf.org/html/rfc7234#section-4.4
invalidate_cached_resources 🔒
is_cacheable_by_default 🔒: Determine if a response is cacheable by default https://tools.ietf.org/html/rfc7231#section-6.1
refresh: Freshening Stored Responses upon Validation. https://tools.ietf.org/html/rfc7234#section-4.3.4
resolve_location_url 🔒
response_is_cacheable 🔒: Determine if a given response is cacheable. Based on https://tools.ietf.org/html/rfc7234#section-3