httpcache

type ByteCache interface {
	Store(key string, value []byte, timeout time.Duration) error
	Get(key string) ([]byte, error)
}

type Config interface {
	// Generates the cache key for the given http.Request. An empty string will
	// disable caching.
	Key(req *http.Request) string

	// Provides the max cache age for the given request/response pair. A zero
	// value will disable caching for the pair. The request is available via
	// res.Request.
	MaxAge(res *http.Response) time.Duration
}

type Transport struct {
	Config    Config            // Provides cache key & timeout logic.
	ByteCache ByteCache         // Cache where serialized responses will be stored.
	Transport http.RoundTripper // The underlying http.RoundTripper for actual requests.
}