package cache import ( "time" "github.com/bluele/gcache" "github.com/nspcc-dev/neofs-s3-gw/creds/accessbox" "github.com/nspcc-dev/neofs-sdk-go/object" ) type ( // AccessBoxCache stores access box by its address. AccessBoxCache struct { cache gcache.Cache } // Config stores expiration params for cache. Config struct { Size int Lifetime time.Duration } ) const ( // DefaultAccessBoxCacheSize is a default maximum number of entries in cache. DefaultAccessBoxCacheSize = 100 // DefaultAccessBoxCacheLifetime is a default lifetime of entries in cache. DefaultAccessBoxCacheLifetime = 10 * time.Minute ) // DefaultAccessBoxConfig return new default cache expiration values. func DefaultAccessBoxConfig() *Config { return &Config{Size: DefaultAccessBoxCacheSize, Lifetime: DefaultAccessBoxCacheLifetime} } // NewAccessBoxCache creates an object of BucketCache. func NewAccessBoxCache(config *Config) *AccessBoxCache { gc := gcache.New(config.Size).LRU().Expiration(config.Lifetime).Build() return &AccessBoxCache{cache: gc} } // Get returns cached object. func (o *AccessBoxCache) Get(address *object.Address) *accessbox.Box { entry, err := o.cache.Get(address.String()) if err != nil { return nil } result, ok := entry.(*accessbox.Box) if !ok { return nil } return result } // Put stores an object to cache. func (o *AccessBoxCache) Put(address *object.Address, box *accessbox.Box) error { return o.cache.Set(address.String(), box) }