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messages.go
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/
messages.go
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package ipset
import (
"github.com/mdlayher/netlink"
"github.com/ti-mo/netfilter"
)
type attributeUnmarshaller interface {
unmarshalAttribute(nfa netfilter.Attribute)
}
func unmarshalMessage(nlm netlink.Message, u attributeUnmarshaller) error {
_, nfa, err := netfilter.UnmarshalNetlink(nlm)
if err != nil {
return err
}
unmarshalAttributes(nfa, u)
return nil
}
func unmarshalAttributes(nfa []netfilter.Attribute, u attributeUnmarshaller) {
for i := range nfa {
u.unmarshalAttribute(nfa[i])
}
}
type marshaller interface {
IsSet() bool
marshal(t AttributeType) netfilter.Attribute
}
type Attributes []netfilter.Attribute
func newAttributes() Attributes {
return make(Attributes, 0, AttrMax)
}
func (a *Attributes) append(t AttributeType, m marshaller) {
if m.IsSet() {
*a = append(*a, m.marshal(t))
}
}