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[table] Add FlushTable function.

This commit is contained in:
Maxime Demode 2019-10-23 14:37:48 +02:00
parent 22243d5c70
commit e49143a9d1
1 changed files with 15 additions and 0 deletions
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15
table.go
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@ -74,6 +74,21 @@ func (cc *Conn) AddTable(t *Table) *Table {
return t return t
} }
// FlushTable removes all rules in all chains within the specified Table. See also
// https://wiki.nftables.org/wiki-nftables/index.php/Configuring_tables#Flushing_tables
func (cc *Conn) FlushTable(t *Table) {
data := cc.marshalAttr([]netlink.Attribute{
{Type: unix.NFTA_RULE_TABLE, Data: []byte(t.Name + "\x00")},
})
cc.messages = append(cc.messages, netlink.Message{
Header: netlink.Header{
Type: netlink.HeaderType((unix.NFNL_SUBSYS_NFTABLES << 8) | unix.NFT_MSG_DELRULE),
Flags: netlink.Request | netlink.Acknowledge,
},
Data: append(extraHeader(uint8(t.Family), 0), data...),
})
}
// ListTables returns currently configured tables in the kernel // ListTables returns currently configured tables in the kernel
func (cc *Conn) ListTables() ([]*Table, error) { func (cc *Conn) ListTables() ([]*Table, error) {
conn, err := cc.dialNetlink() conn, err := cc.dialNetlink()