57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
package cache
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import (
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"time"
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"github.com/VictoriaMetrics/fastcache"
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"github.com/fxamacker/cbor/v2"
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)
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const (
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// DefaultInMemoryCacheCapacity is maximal in-memory cache size in bytes
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DefaultInMemoryCacheCapacity = 32000000
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)
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type InMemoryCache struct {
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cache *fastcache.Cache
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}
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func NewInMemoryCache() *InMemoryCache {
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return &InMemoryCache{
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cache: fastcache.New(DefaultInMemoryCacheCapacity),
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}
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}
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func (imc *InMemoryCache) Store(key string, value interface{}) error {
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mRes, err := cbor.Marshal(value)
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if err != nil {
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return err
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}
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imc.cache.SetBig([]byte(key), mRes)
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return nil
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}
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func (imc *InMemoryCache) StoreWithTTL(key string, value interface{}, ttl time.Duration) error {
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return imc.Store(key, value) // fastcache doesn't support ttl for values
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}
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func (imc *InMemoryCache) Get(key string, v interface{}) error {
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data := make([]byte, 0)
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imc.cache.GetBig(data, []byte(key))
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if len(data) == 0 {
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return ErrNilValue
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}
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err := cbor.Unmarshal(data, v)
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if err != nil {
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return err
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}
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return nil
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}
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func (imc *InMemoryCache) Delete(key string) {
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imc.cache.Del([]byte(key))
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}
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