Crate pingora_cache

The HTTP caching layer for proxies.

Re-exports

• pub use key::CacheKey;
• pub use meta::CacheMeta;
• pub use meta::CacheMetaDefaults;
• pub use storage::HitHandler;
• pub use storage::MissHandler;
• pub use storage::PurgeType;
• pub use storage::Storage;

Modules

• cache_control
  Functions and utilities to help parse Cache-Control headers
• eviction
  Cache eviction module
• filters
  Utility functions to help process HTTP headers for caching
• hashtable
  Concurrent hash tables and LRUs
• key
  Cache key
• lock
  Cache lock
• max_file_size
  Set limit on the largest size to cache
• meta
  Metadata for caching
• predictor
  Cacheability Predictor
• prelude
• put
  Cache Put module
• storage
  Cache backend storage abstraction
• trace
  Distributed tracing helpers

Structs

• HttpCache
  The state machine for http caching
• HttpCacheDigest
  Information collected about the caching operation that will not be cleared
• MemCache
  Hash map based in memory cache
• VarianceBuilder
  A builder for variance keys, used for distinguishing multiple cached assets at the same URL. This is intended to be easily passed to helper functions, which can each populate a portion of the variance.

Enums

• CachePhase
  This reflects the phase of HttpCache during the lifetime of a request
• HitStatus
  Freshness state of cache hit asset
• NoCacheReason
  The possible reasons for not caching
• RespCacheable
  Response cacheable decision

Functions

• set_compression_dict_path
  Set the header compression dictionary, which helps serialize http header.