59 lines
1.1 KiB
Go
59 lines
1.1 KiB
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package portlist
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import (
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"net"
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"testing"
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"tailscale.com/tstest"
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)
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func TestGetList(t *testing.T) {
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rc := tstest.NewResourceCheck()
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defer rc.Assert(t)
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pl, err := GetList(nil)
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if err != nil {
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t.Fatal(err)
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}
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for i, p := range pl {
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t.Logf("[%d] %+v", i, p)
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}
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t.Logf("As String: %v", pl.String())
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}
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func TestIgnoreLocallyBoundPorts(t *testing.T) {
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rc := tstest.NewResourceCheck()
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defer rc.Assert(t)
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ln, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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t.Skipf("failed to bind: %v", err)
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}
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defer ln.Close()
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ta := ln.Addr().(*net.TCPAddr)
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port := ta.Port
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pl, err := GetList(nil)
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if err != nil {
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t.Fatal(err)
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}
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for _, p := range pl {
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if p.Proto == "tcp" && int(p.Port) == port {
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t.Fatal("didn't expect to find test's localhost ephemeral port")
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}
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}
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}
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func BenchmarkGetList(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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_, err := GetList(nil)
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if err != nil {
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b.Fatal(err)
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}
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}
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}
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