nftables_test.go

@@ -137,14 +137,14 @@ func TestTableCreateDestroy(t *testing.T) {
 		Family: nftables.TableFamilyIPv4,
 		Name:   "filter",
 	}
-	c.DestroyTable(filter)
+	c.DelTable(filter, true)
 	c.AddTable(filter)
 	err := c.Flush()
 	if err != nil {
 		t.Fatalf("on Flush: %q", err.Error())
 	}
 
-	lookupMyTable := func() bool {
+	LookupMyTable := func() bool {
 		ts, err := c.ListTables()
 		if err != nil {
 			t.Fatalf("on ListTables: %q", err.Error())
@@ -153,20 +153,21 @@ func TestTableCreateDestroy(t *testing.T) {
 			return t.Name == filter.Name && t.Family == filter.Family
 		})
 	}
-	if !lookupMyTable() {
+	if !LookupMyTable() {
 		t.Fatal("AddTable doesn't create my table!")
 	}
 
-	c.DestroyTable(filter)
-	if err = c.Flush(); err != nil {
+	c.DelTable(filter)
+	err = c.Flush()
+	if err != nil {
 		t.Fatalf("on Flush: %q", err.Error())
 	}
 
-	if lookupMyTable() {
-		t.Fatal("DestroyTable doesn't delete my table!")
+	if LookupMyTable() {
+		t.Fatal("DelTable doesn't delete my table!")
 	}
 
-	c.DestroyTable(filter) // just for test that 'destroy' ignore error 'not found'
+	c.DelTable(filter, true) // just for test that 'force' ignore error 'not found'
 }
 
 func TestRuleOperations(t *testing.T) {

table.go

@@ -16,6 +16,7 @@ package nftables
 
 import (
 	"fmt"
+	"slices"
 
 	"github.com/mdlayher/netlink"
 	"golang.org/x/sys/unix"
@@ -54,16 +55,7 @@ type Table struct {
 }
 
 // DelTable deletes a specific table, along with all chains/rules it contains.
-func (cc *Conn) DelTable(t *Table) {
-	cc.delTable(t, delTableHeaderType)
-}
-
-// DestroyTable is like DelTable, but not an error if table doesn't exists
-func (cc *Conn) DestroyTable(t *Table) {
-	cc.delTable(t, destroyTableHeaderType)
-}
-
-func (cc *Conn) delTable(t *Table, hdrType netlink.HeaderType) {
+func (cc *Conn) DelTable(t *Table, force ...bool) {
 	cc.mu.Lock()
 	defer cc.mu.Unlock()
 	data := cc.marshalAttr([]netlink.Attribute{
@@ -71,6 +63,12 @@ func (cc *Conn) delTable(t *Table, hdrType netlink.HeaderType) {
 		{Type: unix.NFTA_TABLE_FLAGS, Data: []byte{0, 0, 0, 0}},
 	})
 
+	var hdrType netlink.HeaderType
+	if slices.Contains(force, true) {
+		hdrType = destroyTableHeaderType
+	} else {
+		hdrType = delTableHeaderType
+	}
 	cc.messages = append(cc.messages, netlinkMessage{
 		Header: netlink.Header{
 			Type:  hdrType,