clash/dns/filters.go

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2019-09-15 05:36:45 +00:00
package dns
import "net"
type fallbackFilter interface {
Match(net.IP) bool
}
type geoipFilter struct{}
func (gf *geoipFilter) Match(ip net.IP) bool {
if mmdb == nil {
return false
}
record, _ := mmdb.Country(ip)
return record.Country.IsoCode == "CN" || record.Country.IsoCode == ""
}
type ipnetFilter struct {
ipnet *net.IPNet
}
func (inf *ipnetFilter) Match(ip net.IP) bool {
return inf.ipnet.Contains(ip)
}