Method marshal

expr/socket.go:51–60

(fam byte)

)

func (e *Socket) marshal(fam byte) ([]byte, error) {
	exprData, err := e.marshalData(fam)
	if err != nil {
		return nil, err
	}
	return netlink.MarshalAttributes([]netlink.Attribute{
		{Type: unix.NFTA_EXPR_NAME, Data: []byte("socket\x00")},
		{Type: unix.NLA_F_NESTED | unix.NFTA_EXPR_DATA, Data: exprData},
	})
}

func (e *Socket) marshalData(fam byte) ([]byte, error) {
	// NOTE: Socket.Level is only used when Socket.Key == SocketKeyCgroupv2. But `nft` always encoding it. Check link below: