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