mirror of
https://github.com/tailscale/tailscale.git
synced 2024-12-12 11:14:40 +00:00
61f201f33d
name old time/op new time/op delta ListPorts-6 1.18ms ± 5% 1.16ms ± 5% ~ (p=0.075 n=10+10) name old alloc/op new alloc/op delta ListPorts-6 27.2kB ± 0% 14.9kB ± 0% -45.14% (p=0.001 n=8+9) name old allocs/op new allocs/op delta ListPorts-6 90.0 ± 0% 84.0 ± 0% -6.67% (p=0.000 n=10+10) Updates tailscale/corp#2566 Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
142 lines
4.7 KiB
Go
142 lines
4.7 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package portlist
|
|
|
|
import (
|
|
"bufio"
|
|
"bytes"
|
|
"io"
|
|
"testing"
|
|
|
|
"github.com/google/go-cmp/cmp"
|
|
)
|
|
|
|
func TestFieldIndex(t *testing.T) {
|
|
tests := []struct {
|
|
in string
|
|
field int
|
|
want int
|
|
}{
|
|
{"foo", 0, 0},
|
|
{" foo", 0, 2},
|
|
{"foo bar", 1, 5},
|
|
{" foo bar", 1, 6},
|
|
{" foo bar", 2, -1},
|
|
{" foo bar ", 2, -1},
|
|
{" foo bar x", 2, 10},
|
|
{" 1: 00000000:0016 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 34062 1 0000000000000000 100 0 0 10 0",
|
|
2, 19},
|
|
}
|
|
for _, tt := range tests {
|
|
if got := fieldIndex([]byte(tt.in), tt.field); got != tt.want {
|
|
t.Errorf("fieldIndex(%q, %v) = %v; want %v", tt.in, tt.field, got, tt.want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestParsePorts(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
in string
|
|
file string
|
|
want []Port
|
|
}{
|
|
{
|
|
name: "empty",
|
|
in: "header line (ignored)\n",
|
|
want: nil,
|
|
},
|
|
{
|
|
name: "ipv4",
|
|
file: "tcp",
|
|
in: `header line
|
|
0: 0100007F:0277 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 22303 1 0000000000000000 100 0 0 10 0
|
|
1: 00000000:0016 00000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 34062 1 0000000000000000 100 0 0 10 0
|
|
2: 5501A8C0:ADD4 B25E9536:01BB 01 00000000:00000000 02:00000B2B 00000000 1000 0 155276677 2 0000000000000000 22 4 30 10 -1
|
|
`,
|
|
want: []Port{
|
|
{Proto: "tcp", Port: 22, inode: "socket:[34062]"},
|
|
},
|
|
},
|
|
{
|
|
name: "ipv6",
|
|
file: "tcp6",
|
|
in: ` sl local_address remote_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode
|
|
0: 00000000000000000000000001000000:0277 00000000000000000000000000000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 35720 1 0000000000000000 100 0 0 10 0
|
|
1: 00000000000000000000000000000000:1F91 00000000000000000000000000000000:0000 0A 00000000:00000000 00:00000000 00000000 1000 0 142240557 1 0000000000000000 100 0 0 10 0
|
|
2: 00000000000000000000000000000000:0016 00000000000000000000000000000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 34064 1 0000000000000000 100 0 0 10 0
|
|
3: 69050120005716BC64906EBE009ECD4D:D506 0047062600000000000000006E171268:01BB 01 00000000:00000000 02:0000009E 00000000 1000 0 151042856 2 0000000000000000 21 4 28 10 -1
|
|
`,
|
|
want: []Port{
|
|
{Proto: "tcp", Port: 8081, inode: "socket:[142240557]"},
|
|
{Proto: "tcp", Port: 22, inode: "socket:[34064]"},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
buf := bytes.NewBufferString(tt.in)
|
|
r := bufio.NewReader(buf)
|
|
file := "tcp"
|
|
if tt.file != "" {
|
|
file = tt.file
|
|
}
|
|
got, err := parsePorts(r, file)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
if diff := cmp.Diff(got, tt.want, cmp.AllowUnexported(Port{})); diff != "" {
|
|
t.Errorf("unexpected parsed ports (-got+want):\n%s", diff)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func BenchmarkParsePorts(b *testing.B) {
|
|
b.ReportAllocs()
|
|
|
|
var contents bytes.Buffer
|
|
contents.WriteString(` sl local_address remote_address st tx_queue rx_queue tr tm->when retrnsmt uid timeout inode
|
|
0: 00000000000000000000000001000000:0277 00000000000000000000000000000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 35720 1 0000000000000000 100 0 0 10 0
|
|
1: 00000000000000000000000000000000:1F91 00000000000000000000000000000000:0000 0A 00000000:00000000 00:00000000 00000000 1000 0 142240557 1 0000000000000000 100 0 0 10 0
|
|
2: 00000000000000000000000000000000:0016 00000000000000000000000000000000:0000 0A 00000000:00000000 00:00000000 00000000 0 0 34064 1 0000000000000000 100 0 0 10 0
|
|
`)
|
|
for i := 0; i < 50000; i++ {
|
|
contents.WriteString(" 3: 69050120005716BC64906EBE009ECD4D:D506 0047062600000000000000006E171268:01BB 01 00000000:00000000 02:0000009E 00000000 1000 0 151042856 2 0000000000000000 21 4 28 10 -1\n")
|
|
}
|
|
|
|
want := []Port{
|
|
{Proto: "tcp", Port: 8081, inode: "socket:[142240557]"},
|
|
{Proto: "tcp", Port: 22, inode: "socket:[34064]"},
|
|
}
|
|
|
|
r := bytes.NewReader(contents.Bytes())
|
|
br := bufio.NewReader(&contents)
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
r.Seek(0, io.SeekStart)
|
|
br.Reset(r)
|
|
got, err := parsePorts(br, "tcp6")
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
if len(got) != 2 || got[0].Port != 8081 || got[1].Port != 22 {
|
|
b.Fatalf("wrong result:\n got %+v\nwant %+v", got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func BenchmarkListPorts(b *testing.B) {
|
|
b.ReportAllocs()
|
|
for i := 0; i < b.N; i++ {
|
|
_, err := listPorts()
|
|
if err != nil {
|
|
b.Fatal(err)
|
|
}
|
|
}
|
|
}
|