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|
package netlink
import (
"net"
"testing"
)
type arpEntry struct {
ip net.IP
mac net.HardwareAddr
}
type proxyEntry struct {
ip net.IP
dev int
}
func parseMAC(s string) net.HardwareAddr {
m, err := net.ParseMAC(s)
if err != nil {
panic(err)
}
return m
}
func dumpContains(dump []Neigh, e arpEntry) bool {
for _, n := range dump {
if n.IP.Equal(e.ip) && (n.State&NUD_INCOMPLETE) == 0 {
return true
}
}
return false
}
func dumpContainsProxy(dump []Neigh, p proxyEntry) bool {
for _, n := range dump {
if n.IP.Equal(p.ip) && (n.LinkIndex == p.dev) && (n.Flags&NTF_PROXY) == NTF_PROXY {
return true
}
}
return false
}
func TestNeighAddDel(t *testing.T) {
tearDown := setUpNetlinkTest(t)
defer tearDown()
dummy := Dummy{LinkAttrs{Name: "neigh0"}}
if err := LinkAdd(&dummy); err != nil {
t.Fatal(err)
}
ensureIndex(dummy.Attrs())
arpTable := []arpEntry{
{net.ParseIP("10.99.0.1"), parseMAC("aa:bb:cc:dd:00:01")},
{net.ParseIP("10.99.0.2"), parseMAC("aa:bb:cc:dd:00:02")},
{net.ParseIP("10.99.0.3"), parseMAC("aa:bb:cc:dd:00:03")},
{net.ParseIP("10.99.0.4"), parseMAC("aa:bb:cc:dd:00:04")},
{net.ParseIP("10.99.0.5"), parseMAC("aa:bb:cc:dd:00:05")},
}
// Add the arpTable
for _, entry := range arpTable {
err := NeighAdd(&Neigh{
LinkIndex: dummy.Index,
State: NUD_REACHABLE,
IP: entry.ip,
HardwareAddr: entry.mac,
})
if err != nil {
t.Errorf("Failed to NeighAdd: %v", err)
}
}
// Dump and see that all added entries are there
dump, err := NeighList(dummy.Index, 0)
if err != nil {
t.Errorf("Failed to NeighList: %v", err)
}
for _, entry := range arpTable {
if !dumpContains(dump, entry) {
t.Errorf("Dump does not contain: %v", entry)
}
}
// Delete the arpTable
for _, entry := range arpTable {
err := NeighDel(&Neigh{
LinkIndex: dummy.Index,
IP: entry.ip,
HardwareAddr: entry.mac,
})
if err != nil {
t.Errorf("Failed to NeighDel: %v", err)
}
}
// TODO: seems not working because of cache
//// Dump and see that none of deleted entries are there
//dump, err = NeighList(dummy.Index, 0)
//if err != nil {
//t.Errorf("Failed to NeighList: %v", err)
//}
//for _, entry := range arpTable {
//if dumpContains(dump, entry) {
//t.Errorf("Dump contains: %v", entry)
//}
//}
if err := LinkDel(&dummy); err != nil {
t.Fatal(err)
}
}
func TestNeighAddDelProxy(t *testing.T) {
tearDown := setUpNetlinkTest(t)
defer tearDown()
dummy := Dummy{LinkAttrs{Name: "neigh0"}}
if err := LinkAdd(&dummy); err != nil {
t.Fatal(err)
}
ensureIndex(dummy.Attrs())
proxyTable := []proxyEntry{
{net.ParseIP("10.99.0.1"), dummy.Index},
{net.ParseIP("10.99.0.2"), dummy.Index},
{net.ParseIP("10.99.0.3"), dummy.Index},
{net.ParseIP("10.99.0.4"), dummy.Index},
{net.ParseIP("10.99.0.5"), dummy.Index},
}
// Add the proxyTable
for _, entry := range proxyTable {
err := NeighAdd(&Neigh{
LinkIndex: dummy.Index,
Flags: NTF_PROXY,
IP: entry.ip,
})
if err != nil {
t.Errorf("Failed to NeighAdd: %v", err)
}
}
// Dump and see that all added entries are there
dump, err := NeighProxyList(dummy.Index, 0)
if err != nil {
t.Errorf("Failed to NeighList: %v", err)
}
for _, entry := range proxyTable {
if !dumpContainsProxy(dump, entry) {
t.Errorf("Dump does not contain: %v", entry)
}
}
// Delete the proxyTable
for _, entry := range proxyTable {
err := NeighDel(&Neigh{
LinkIndex: dummy.Index,
Flags: NTF_PROXY,
IP: entry.ip,
})
if err != nil {
t.Errorf("Failed to NeighDel: %v", err)
}
}
// Dump and see that none of deleted entries are there
dump, err = NeighProxyList(dummy.Index, 0)
if err != nil {
t.Errorf("Failed to NeighList: %v", err)
}
for _, entry := range proxyTable {
if dumpContainsProxy(dump, entry) {
t.Errorf("Dump contains: %v", entry)
}
}
if err := LinkDel(&dummy); err != nil {
t.Fatal(err)
}
}
|
