Module http_cache 

In-memory response cache for HttpEnricher.

Keyed on (method, url, body_hash) with a configurable TTL. Each HttpEnricher instance owns its own cache so two recipes that hit the same URL with different API keys (different Authorization headers) cannot accidentally share each other’s cached responses.

Mandatory in practice for any rate-limited API (VirusTotal: 4 req/min on the free tier) and a major win for any duplicate-detection burst. Off by default; cache_ttl: <duration> on the enricher config flips it on.

Structs

CacheKey

Composite cache key for one cached HTTP response.

CacheStats

Stats counters that survive across HttpResponseCache::lookup / HttpResponseCache::insert calls. Wired into Prometheus metrics in Phase 4 (rsigma_enrichment_http_cache_{hits,misses,expirations}_total).

HttpResponseCache

In-memory (method, url, body_hash) → JSON value cache with TTL.

Enums

CacheOutcome

Outcome of a cache lookup.