mirror of
https://github.com/weaveworks/scope.git
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6bb6d4dd5a
We'd like to benefit from the memory reduction from: https://github.com/google/gopacket/pull/377 I just ran: $ gvt update github.com/google/gopacket Fixes: https://github.com/weaveworks/scope/issues/2905
56 lines
2.1 KiB
Go
56 lines
2.1 KiB
Go
// Copyright 2016 Google, Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file in the root of the source
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// tree.
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package layers
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import (
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"github.com/google/gopacket"
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"testing"
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)
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// vrrpPacketPriority100 is the packet:
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// 06:12:21.813317 IP 192.168.0.30 > 224.0.0.18: VRRPv2, Advertisement, vrid 1, prio 100, authtype none, intvl 1s, length 20
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// 0x0000: 0100 5e00 0012 0000 5e00 0101 0800 45c0 ..^.....^.....E.
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// 0x0010: 0028 0000 0000 ff70 19cd c0a8 001e e000 .(.....p........
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// 0x0020: 0012 2101 6401 0001 ba52 c0a8 0001 0000 ..!.d....R......
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// 0x0030: 0000 0000 0000 0000 0000 0000 ............
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var vrrpPacketPriority100 = []byte{
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0x01, 0x00, 0x5e, 0x00, 0x00, 0x12, 0x00, 0x00, 0x5e, 0x00, 0x01, 0x01, 0x08, 0x00, 0x45, 0xc0,
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0x00, 0x28, 0x00, 0x00, 0x00, 0x00, 0xff, 0x70, 0x19, 0xcd, 0xc0, 0xa8, 0x00, 0x1e, 0xe0, 0x00,
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0x00, 0x12, 0x21, 0x01, 0x64, 0x01, 0x00, 0x01, 0xba, 0x52, 0xc0, 0xa8, 0x00, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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}
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func TestVRRPPacketPacket0(t *testing.T) {
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p := gopacket.NewPacket(vrrpPacketPriority100, LinkTypeEthernet, gopacket.Default)
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if p.ErrorLayer() != nil {
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t.Error("Failed to decode packet", p.ErrorLayer().Error())
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}
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checkLayers(p, []gopacket.LayerType{LayerTypeEthernet, LayerTypeIPv4, LayerTypeVRRP}, t)
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// Version=2 Type=VRRPv2 Advertisement VirtualRtrID=1 Priority=100
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vrrp := p.Layer(LayerTypeVRRP).(*VRRPv2)
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if vrrp.Version != 2 {
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t.Fatalf("Unable to decode VRRPv2 version. Received %d, expected %d", vrrp.Version, 2)
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}
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if vrrp.Type != 1 {
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t.Fatalf("Unable to decode VRRPv2 type. Received %d, expected %d", vrrp.Type, 1)
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}
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if vrrp.Priority != 100 {
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t.Fatalf("Unable to decode VRRPv2 priority. Received %d, expected %d", vrrp.Priority, 100)
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}
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if vrrp.Checksum != 47698 {
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t.Fatalf("Unable to decode VRRPv2 checksum. Received %d, expected %d", vrrp.Checksum, 47698)
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}
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}
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func BenchmarkDecodeVRRPPacket0(b *testing.B) {
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for i := 0; i < b.N; i++ {
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gopacket.NewPacket(vrrpPacketPriority100, LayerTypeEthernet, gopacket.NoCopy)
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}
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}
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