1 // Copyright 2016 Google, Inc. All rights reserved.
3 // Use of this source code is governed by a BSD-style license
4 // that can be found in the LICENSE file in the root of the source
13 "github.com/google/gopacket"
17 // Ethernet II, Src: cc:15:14:64:00:00 (cc:15:14:64:00:00), Dst: cc:13:14:64:00:01 (cc:13:14:64:00:01)
18 // MultiProtocol Label Switching Header, Label: 17, Exp: 0, S: 0, TTL: 254
19 // MultiProtocol Label Switching Header, Label: 19, Exp: 0, S: 1, TTL: 254
20 // Internet Protocol Version 4, Src: 12.0.0.1, Dst: 2.2.2.2
21 // Internet Control Message Protocol
22 // 0000 cc 13 14 64 00 01 cc 15 14 64 00 00 88 47 00 01 ...d.....d...G..
23 // 0010 10 fe 00 01 31 fe 45 00 00 64 00 39 00 00 fe 01 ....1.E..d.9....
24 // 0020 ac 5b 0c 00 00 01 02 02 02 02 08 00 3a 6b 00 0b .[..........:k..
25 // 0030 00 02 00 00 00 00 00 3e 43 94 ab cd ab cd ab cd .......>C.......
26 // 0040 ab cd ab cd ab cd ab cd ab cd ab cd ab cd ab cd ................
27 // 0050 ab cd ab cd ab cd ab cd ab cd ab cd ab cd ab cd ................
28 // 0060 ab cd ab cd ab cd ab cd ab cd ab cd ab cd ab cd ................
29 // 0070 ab cd ab cd ab cd ab cd ab cd ..........
31 var testPacketMPLS = []byte{
32 0xcc, 0x13, 0x14, 0x64, 0x00, 0x01, 0xcc, 0x15, 0x14, 0x64, 0x00, 0x00, 0x88, 0x47, 0x00, 0x01,
33 0x10, 0xfe, 0x00, 0x01, 0x31, 0xfe, 0x45, 0x00, 0x00, 0x64, 0x00, 0x39, 0x00, 0x00, 0xfe, 0x01,
34 0xac, 0x5b, 0x0c, 0x00, 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x08, 0x00, 0x3a, 0x6b, 0x00, 0x0b,
35 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x43, 0x94, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
36 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
37 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
38 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
39 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
42 func TestPacketMPLS(t *testing.T) {
43 p := gopacket.NewPacket(testPacketMPLS, LinkTypeEthernet, gopacket.Default)
44 if p.ErrorLayer() != nil {
45 t.Error("Failed to decode packet:", p.ErrorLayer().Error())
47 checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeMPLS, LayerTypeMPLS, LayerTypeIPv4, LayerTypeICMPv4, gopacket.LayerTypePayload}, t)
48 if got, ok := p.Layers()[1].(*MPLS); ok {
51 Contents: []byte{0x00, 0x01, 0x10, 0xfe},
52 Payload: []byte{0x00, 0x01, 0x31, 0xfe, 0x45, 0x00, 0x00, 0x64, 0x00, 0x39, 0x00, 0x00, 0xfe, 0x01,
53 0xac, 0x5b, 0x0c, 0x00, 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x08, 0x00, 0x3a, 0x6b, 0x00, 0x0b,
54 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x43, 0x94, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
55 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
56 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
57 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
58 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd},
65 if !reflect.DeepEqual(want, got) {
66 t.Errorf("MPLS layer 1 mismatch, \nwant %#v\ngot %#v\n", want, got)
69 if got, ok := p.Layers()[2].(*MPLS); ok {
72 Contents: []byte{0x00, 0x01, 0x31, 0xfe},
73 Payload: []byte{0x45, 0x00, 0x00, 0x64, 0x00, 0x39, 0x00, 0x00, 0xfe, 0x01,
74 0xac, 0x5b, 0x0c, 0x00, 0x00, 0x01, 0x02, 0x02, 0x02, 0x02, 0x08, 0x00, 0x3a, 0x6b, 0x00, 0x0b,
75 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3e, 0x43, 0x94, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
76 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
77 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
78 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd,
79 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd, 0xab, 0xcd},
86 if !reflect.DeepEqual(want, got) {
87 t.Errorf("MPLS layer 2 mismatch, \nwant %#v\ngot %#v\n", want, got)
92 func BenchmarkDecodePacketMPLS(b *testing.B) {
93 for i := 0; i < b.N; i++ {
94 gopacket.NewPacket(testPacketMPLS, LinkTypeEthernet, gopacket.NoCopy)