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slot.go
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slot.go
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package wkstore
import (
"github.com/WuKongIM/WuKongIM/pkg/keylock"
lru "github.com/hashicorp/golang-lru/v2"
)
type slot struct {
topicCache *lru.Cache[string, *topic]
cfg *StoreConfig
num uint32
topicLock *keylock.KeyLock
}
func newSlot(num uint32, cfg *StoreConfig) *slot {
topicCache, err := lru.NewWithEvict(1000, func(key string, value *topic) {
value.close()
})
if err != nil {
panic(err)
}
topicLock := keylock.NewKeyLock()
topicLock.StartCleanLoop()
return &slot{
cfg: cfg,
num: num,
topicCache: topicCache,
topicLock: topicLock,
}
}
func (s *slot) getTopic(topic string) *topic {
s.topicLock.Lock(topic)
defer s.topicLock.Unlock(topic)
v, ok := s.topicCache.Get(topic)
if ok {
return v
}
tc := newTopic(topic, s.num, s.cfg)
s.topicCache.Add(topic, tc)
return tc
}
// Close Close
func (s *slot) close() error {
s.topicLock.StopCleanLoop()
keys := s.topicCache.Keys()
for _, key := range keys {
s.topicCache.Remove(key) // Trigger onEvicted method
}
return nil
}