AdGuardHome/internal/ipset/ipset.go

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// Package ipset provides ipset functionality.
package ipset
import (
"net"
)
// Manager is the ipset manager interface.
//
// TODO(a.garipov): Perhaps generalize this into some kind of a NetFilter type,
// since ipset is exclusive to Linux?
type Manager interface {
Add(host string, ip4s, ip6s []net.IP) (n int, err error)
Close() (err error)
}
// NewManager returns a new ipset manager. IPv4 addresses are added to an
// ipset with an ipv4 family; IPv6 addresses, to an ipv6 ipset. ipset must
// exist.
//
// The syntax of the ipsetConf is:
//
// DOMAIN[,DOMAIN].../IPSET_NAME[,IPSET_NAME]...
//
// If ipsetConf is empty, msg and err are nil. The error is of type
// *aghos.UnsupportedError if the OS is not supported.
func NewManager(ipsetConf []string) (mgr Manager, err error) {
if len(ipsetConf) == 0 {
return nil, nil
}
return newManager(ipsetConf)
}