mirror of https://github.com/vishvananda/netlink
61 lines
1.4 KiB
Go
61 lines
1.4 KiB
Go
package nl
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/rand"
|
|
"encoding/binary"
|
|
"reflect"
|
|
"syscall"
|
|
"testing"
|
|
)
|
|
|
|
type testSerializer interface {
|
|
serializeSafe() []byte
|
|
Serialize() []byte
|
|
}
|
|
|
|
func testDeserializeSerialize(t *testing.T, orig []byte, safemsg testSerializer, msg testSerializer) {
|
|
if !reflect.DeepEqual(safemsg, msg) {
|
|
t.Fatal("Deserialization failed.\n", safemsg, "\n", msg)
|
|
}
|
|
safe := msg.serializeSafe()
|
|
if !bytes.Equal(safe, orig) {
|
|
t.Fatal("Safe serialization failed.\n", safe, "\n", orig)
|
|
}
|
|
b := msg.Serialize()
|
|
if !bytes.Equal(b, safe) {
|
|
t.Fatal("Serialization failed.\n", b, "\n", safe)
|
|
}
|
|
}
|
|
|
|
func (msg *IfInfomsg) write(b []byte) {
|
|
native := NativeEndian()
|
|
b[0] = msg.Family
|
|
b[1] = msg.X__ifi_pad
|
|
native.PutUint16(b[2:4], msg.Type)
|
|
native.PutUint32(b[4:8], uint32(msg.Index))
|
|
native.PutUint32(b[8:12], msg.Flags)
|
|
native.PutUint32(b[12:16], msg.Change)
|
|
}
|
|
|
|
func (msg *IfInfomsg) serializeSafe() []byte {
|
|
length := syscall.SizeofIfInfomsg
|
|
b := make([]byte, length)
|
|
msg.write(b)
|
|
return b
|
|
}
|
|
|
|
func deserializeIfInfomsgSafe(b []byte) *IfInfomsg {
|
|
var msg = IfInfomsg{}
|
|
binary.Read(bytes.NewReader(b[0:syscall.SizeofIfInfomsg]), NativeEndian(), &msg)
|
|
return &msg
|
|
}
|
|
|
|
func TestIfInfomsgDeserializeSerialize(t *testing.T) {
|
|
var orig = make([]byte, syscall.SizeofIfInfomsg)
|
|
rand.Read(orig)
|
|
safemsg := deserializeIfInfomsgSafe(orig)
|
|
msg := DeserializeIfInfomsg(orig)
|
|
testDeserializeSerialize(t, orig, safemsg, msg)
|
|
}
|