mihomo/tunnel/session.go

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package tunnel
import (
"sync"
"time"
nat "github.com/Dreamacro/clash/component/nat-table"
)
var (
natTable *nat.Table
natOnce sync.Once
natTimeout = 120 * time.Second
)
func NATInstance() *nat.Table {
natOnce.Do(func() {
natTable = nat.New(natTimeout)
})
return natTable
}