Xray-core/common/antireplay/bloomring.go

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package antireplay
import (
"sync"
ss_bloomring "github.com/v2fly/ss-bloomring"
)
type BloomRing struct {
*ss_bloomring.BloomRing
lock *sync.Mutex
}
func (b BloomRing) Interval() int64 {
return 9999999
}
func (b BloomRing) Check(sum []byte) bool {
b.lock.Lock()
defer b.lock.Unlock()
if b.Test(sum) {
return false
}
b.Add(sum)
return true
}
func NewBloomRing() BloomRing {
const (
DefaultSFCapacity = 1e6
// FalsePositiveRate
DefaultSFFPR = 1e-6
DefaultSFSlot = 10
)
return BloomRing{ss_bloomring.NewBloomRing(DefaultSFSlot, DefaultSFCapacity, DefaultSFFPR), &sync.Mutex{}}
}