storage

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

type Dumper interface {
	Dump(ctx context.Context) error
	Load(ctx context.Context) error
}

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

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

type Evictor interface {
	Run()
}

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

type Refresher interface {
	Run()
}

type Storage interface {
	// Run starts storage background worker (just logging at now).
	Run()

	// Get attempts to retrieve a cached response for the given request.
	// Returns the response, a releaser for safe concurrent access, and a hit/miss flag.
	Get(*model.Entry) (entry *model.VersionPointer, ok bool)

	// GetRand returns a random elem from the map.
	GetRand() (entry *model.VersionPointer, ok bool)

	// Set stores a new response in the cache and returns a releaser for managing resource lifetime.
	// 1. You definitely cannot use 'request' after use in Set due to it can be removed, you will receive a cache entry on hit!
	Set(request *model.VersionPointer) (entry *model.VersionPointer)

	// Remove is removes one element.
	Remove(*model.VersionPointer) (freedBytes int64, isHit bool)

	// Stat returns bytes usage and num of items in storage.
	Stat() (bytes int64, length int64)

	// Len - return stored value (refreshes every 100ms).
	Len() int64

	// Mem - return stored value (refreshes every 100ms).
	Mem() int64

	// RealMem - calculates and return value.
	RealMem() int64
}