echo_http_cache

type Algorithm string

type CacheConfig struct {
	// Skipper defines a function to skip middleware.
	Skipper middleware.Skipper

	Store CacheStore

	Expiration                 time.Duration // default expiration
	IncludePaths               []string
	IncludePathsWithExpiration map[string]time.Duration // key: path, value: expiration //IncludePathsWithExpiration has higher priority
	ExcludePaths               []string
}

type CacheMemoryStore struct {
	// contains filtered or unexported fields
}

type CacheMemoryStoreConfig struct {
	Capacity  int
	Algorithm Algorithm
}

type CacheRedisClusterStore struct {
	// contains filtered or unexported fields
}

type CacheRedisStore struct {
	// contains filtered or unexported fields
}

type CacheResponse struct {
	// URL is URL
	URL string `json:"url"`

	// Header is the cached response header.
	Header http.Header `json:"header"`

	// Body is the cached response value.
	Body []byte `json:"body"`

	// Expiration is the cached response Expiration date.
	Expiration time.Time `json:"expiration"`

	// LastAccess is the last date a cached response was accessed.
	// Used by LRU and MRU algorithms.
	LastAccess time.Time `json:"lastAccess"`

	// Frequency is the count of times a cached response is accessed.
	// Used for LFU and MFU algorithms.
	Frequency int `json:"frequency"`
}

type CacheStore interface {
	// Get retrieves the cached response by a given key. It also
	// returns true or false, whether it exists or not.
	Get(key uint64) ([]byte, bool)

	// Set caches a response for a given key until an Expiration date.
	Set(key uint64, response []byte, expiration time.Time)

	// Release frees cache for a given key.
	Release(key uint64)
}