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[set] Add FlushSet function.

This commit is contained in:
Maxime Demode 2019-10-23 15:10:52 +02:00
parent e49143a9d1
commit e3323c2482
1 changed files with 15 additions and 0 deletions
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15
set.go
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@ -376,6 +376,21 @@ func (cc *Conn) SetDeleteElements(s *Set, vals []SetElement) error {
return nil return nil
} }
// FlushSet deletes all data points from an nftables set.
func (cc *Conn) FlushSet(s *Set) {
data := cc.marshalAttr([]netlink.Attribute{
{Type: unix.NFTA_SET_TABLE, Data: []byte(s.Table.Name + "\x00")},
{Type: unix.NFTA_SET_NAME, Data: []byte(s.Name + "\x00")},
})
cc.messages = append(cc.messages, netlink.Message{
Header: netlink.Header{
Type: netlink.HeaderType((unix.NFNL_SUBSYS_NFTABLES << 8) | unix.NFT_MSG_DELSETELEM),
Flags: netlink.Request | netlink.Acknowledge,
},
Data: append(extraHeader(uint8(s.Table.Family), 0), data...),
})
}
var setHeaderType = netlink.HeaderType((unix.NFNL_SUBSYS_NFTABLES << 8) | unix.NFT_MSG_NEWSET) var setHeaderType = netlink.HeaderType((unix.NFNL_SUBSYS_NFTABLES << 8) | unix.NFT_MSG_NEWSET)
func setsFromMsg(msg netlink.Message) (*Set, error) { func setsFromMsg(msg netlink.Message) (*Set, error) {