1
2
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4
5
6
7 package route
8
9 import (
10 "reflect"
11 "syscall"
12 "testing"
13 )
14
15 type parseAddrsTest struct {
16 attrs uint
17 fn func(int, []byte) (int, Addr, error)
18 b []byte
19 as []Addr
20 }
21
22 var parseAddrsLittleEndianTests = []parseAddrsTest{
23 {
24 syscall.RTA_DST | syscall.RTA_GATEWAY | syscall.RTA_NETMASK | syscall.RTA_BRD,
25 parseKernelInetAddr,
26 []byte{
27 0x38, 0x12, 0x0, 0x0, 0xff, 0xff, 0xff, 0x0,
28 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
29 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
30 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
31 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
32 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
33 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
34
35 0x38, 0x12, 0x2, 0x0, 0x6, 0x3, 0x6, 0x0,
36 0x65, 0x6d, 0x31, 0x0, 0xc, 0x29, 0x66, 0x2c,
37 0xdc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
38 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
39 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
40 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
41 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
42
43 0x10, 0x2, 0x0, 0x0, 0xac, 0x10, 0xdc, 0xb4,
44 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
45
46 0x10, 0x2, 0x0, 0x0, 0xac, 0x10, 0xdc, 0xff,
47 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
48 },
49 []Addr{
50 &LinkAddr{Index: 0},
51 &LinkAddr{Index: 2, Name: "em1", Addr: []byte{0x00, 0x0c, 0x29, 0x66, 0x2c, 0xdc}},
52 &Inet4Addr{IP: [4]byte{172, 16, 220, 180}},
53 nil,
54 nil,
55 nil,
56 nil,
57 &Inet4Addr{IP: [4]byte{172, 16, 220, 255}},
58 },
59 },
60 {
61 syscall.RTA_NETMASK | syscall.RTA_IFP | syscall.RTA_IFA,
62 parseKernelInetAddr,
63 []byte{
64 0x7, 0x0, 0x0, 0x0, 0xff, 0xff, 0xff, 0x0,
65
66 0x18, 0x12, 0xa, 0x0, 0x87, 0x8, 0x0, 0x0,
67 0x76, 0x6c, 0x61, 0x6e, 0x35, 0x36, 0x38, 0x32,
68 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
69
70 0x10, 0x2, 0x0, 0x0, 0xa9, 0xfe, 0x0, 0x1,
71 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
72 },
73 []Addr{
74 nil,
75 nil,
76 &Inet4Addr{IP: [4]byte{255, 255, 255, 0}},
77 nil,
78 &LinkAddr{Index: 10, Name: "vlan5682"},
79 &Inet4Addr{IP: [4]byte{169, 254, 0, 1}},
80 nil,
81 nil,
82 },
83 },
84 }
85
86 func TestParseAddrs(t *testing.T) {
87 tests := parseAddrsLittleEndianTests
88 if nativeEndian != littleEndian {
89 t.Skip("no test for non-little endian machine yet")
90 }
91
92 for i, tt := range tests {
93 as, err := parseAddrs(tt.attrs, tt.fn, tt.b)
94 if err != nil {
95 t.Error(i, err)
96 continue
97 }
98 as = as[:8]
99 if !reflect.DeepEqual(as, tt.as) {
100 t.Errorf("#%d: got %+v; want %+v", i, as, tt.as)
101 continue
102 }
103 }
104 }
105
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