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https://github.com/golang/go
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519474451a
This is a subset of https://golang.org/cl/20022 with only the copyright header lines, so the next CL will be smaller and more reviewable. Go policy has been single space after periods in comments for some time. The copyright header template at: https://golang.org/doc/contribute.html#copyright also uses a single space. Make them all consistent. Change-Id: Icc26c6b8495c3820da6b171ca96a74701b4a01b0 Reviewed-on: https://go-review.googlesource.com/20111 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org> Reviewed-by: Matthew Dempsky <mdempsky@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
170 lines
3.4 KiB
Go
170 lines
3.4 KiB
Go
// Copyright 2013 The Go 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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// +build darwin dragonfly freebsd linux netbsd openbsd
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package net
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import (
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"os"
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"os/exec"
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"runtime"
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"testing"
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"time"
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)
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type testInterface struct {
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name string
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local string
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remote string
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setupCmds []*exec.Cmd
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teardownCmds []*exec.Cmd
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}
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func (ti *testInterface) setup() error {
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for _, cmd := range ti.setupCmds {
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if err := cmd.Run(); err != nil {
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return err
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}
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}
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return nil
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}
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func (ti *testInterface) teardown() error {
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for _, cmd := range ti.teardownCmds {
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if err := cmd.Run(); err != nil {
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return err
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}
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}
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return nil
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}
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func TestPointToPointInterface(t *testing.T) {
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if testing.Short() {
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t.Skip("avoid external network")
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}
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if runtime.GOOS == "darwin" {
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if os.Getuid() != 0 {
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t.Skip("must be root")
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}
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local, remote := "169.254.0.1", "169.254.0.254"
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ip := ParseIP(remote)
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for i := 0; i < 3; i++ {
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ti := &testInterface{local: local, remote: remote}
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if err := ti.setPointToPoint(5963 + i); err != nil {
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t.Skipf("test requires external command: %v", err)
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}
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if err := ti.setup(); err != nil {
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t.Fatal(err)
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} else {
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time.Sleep(3 * time.Millisecond)
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}
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ift, err := Interfaces()
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if err != nil {
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ti.teardown()
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t.Fatal(err)
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}
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for _, ifi := range ift {
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if ti.name != ifi.Name {
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continue
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}
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ifat, err := ifi.Addrs()
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if err != nil {
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ti.teardown()
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t.Fatal(err)
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}
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for _, ifa := range ifat {
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if ip.Equal(ifa.(*IPNet).IP) {
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ti.teardown()
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t.Fatalf("got %v", ifa)
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}
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}
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}
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if err := ti.teardown(); err != nil {
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t.Fatal(err)
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} else {
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time.Sleep(3 * time.Millisecond)
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}
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}
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}
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func TestInterfaceArrivalAndDeparture(t *testing.T) {
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if testing.Short() {
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t.Skip("avoid external network")
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}
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if os.Getuid() != 0 {
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t.Skip("must be root")
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}
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local, remote := "169.254.0.1", "169.254.0.254"
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ip := ParseIP(remote)
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for i := 0; i < 3; i++ {
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ift1, err := Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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ti := &testInterface{local: local, remote: remote}
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if err := ti.setBroadcast(5682 + i); err != nil {
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t.Skipf("test requires external command: %v", err)
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}
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if err := ti.setup(); err != nil {
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t.Fatal(err)
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} else {
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time.Sleep(3 * time.Millisecond)
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}
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ift2, err := Interfaces()
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if err != nil {
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ti.teardown()
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t.Fatal(err)
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}
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if len(ift2) <= len(ift1) {
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for _, ifi := range ift1 {
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t.Logf("before: %v", ifi)
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}
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for _, ifi := range ift2 {
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t.Logf("after: %v", ifi)
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}
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ti.teardown()
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t.Fatalf("got %v; want gt %v", len(ift2), len(ift1))
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}
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for _, ifi := range ift2 {
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if ti.name != ifi.Name {
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continue
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}
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ifat, err := ifi.Addrs()
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if err != nil {
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ti.teardown()
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t.Fatal(err)
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}
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for _, ifa := range ifat {
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if ip.Equal(ifa.(*IPNet).IP) {
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ti.teardown()
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t.Fatalf("got %v", ifa)
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}
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}
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}
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if err := ti.teardown(); err != nil {
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t.Fatal(err)
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} else {
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time.Sleep(3 * time.Millisecond)
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}
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ift3, err := Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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if len(ift3) >= len(ift2) {
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for _, ifi := range ift2 {
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t.Logf("before: %v", ifi)
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}
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for _, ifi := range ift3 {
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t.Logf("after: %v", ifi)
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}
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t.Fatalf("got %v; want lt %v", len(ift3), len(ift2))
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}
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}
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}
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