Module http_cache

A memory cache implementing the logic specified in http://tools.ietf.org/html/rfc7234 and http://tools.ietf.org/html/rfc7232.

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 memory cache.

Functions

calculate_response_age 🔒

Calculating Age https://tools.ietf.org/html/rfc7234#section-4.2.3

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.

is_cacheable_by_default 🔒

Determine if a response is cacheable by default https://tools.ietf.org/html/rfc7231#section-6.1

response_is_cacheable 🔒

Determine if a given response is cacheable. Based on https://tools.ietf.org/html/rfc7234#section-3