mirror of
https://github.com/golang/go
synced 2024-10-04 11:11:21 -06:00
258bf65d8b
Linux allows to have a peer IP address on IP interface over ethernet link encapsulation, though it only installs a static route with the peer address as an on-link nexthop. Fixes #11338. Change-Id: Ie2583737e4c7cec39baabb89dd732463d3f10a61 Reviewed-on: https://go-review.googlesource.com/11352 Reviewed-by: Russ Cox <rsc@golang.org>
109 lines
2.9 KiB
Go
109 lines
2.9 KiB
Go
// Copyright 2012 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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package net
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import (
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"fmt"
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"os/exec"
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"testing"
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)
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func (ti *testInterface) setBroadcast(suffix int) error {
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ti.name = fmt.Sprintf("gotest%d", suffix)
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xname, err := exec.LookPath("ip")
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if err != nil {
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return err
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}
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ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
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Path: xname,
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Args: []string{"ip", "link", "add", ti.name, "type", "dummy"},
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})
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ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
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Path: xname,
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Args: []string{"ip", "address", "add", ti.local, "peer", ti.remote, "dev", ti.name},
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})
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ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{
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Path: xname,
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Args: []string{"ip", "address", "del", ti.local, "peer", ti.remote, "dev", ti.name},
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})
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ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{
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Path: xname,
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Args: []string{"ip", "link", "delete", ti.name, "type", "dummy"},
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})
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return nil
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}
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func (ti *testInterface) setPointToPoint(suffix int) error {
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ti.name = fmt.Sprintf("gotest%d", suffix)
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xname, err := exec.LookPath("ip")
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if err != nil {
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return err
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}
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ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
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Path: xname,
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Args: []string{"ip", "tunnel", "add", ti.name, "mode", "gre", "local", ti.local, "remote", ti.remote},
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})
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ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
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Path: xname,
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Args: []string{"ip", "address", "add", ti.local, "peer", ti.remote, "dev", ti.name},
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})
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ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{
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Path: xname,
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Args: []string{"ip", "address", "del", ti.local, "peer", ti.remote, "dev", ti.name},
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})
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ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{
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Path: xname,
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Args: []string{"ip", "tunnel", "del", ti.name, "mode", "gre", "local", ti.local, "remote", ti.remote},
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})
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return nil
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}
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const (
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numOfTestIPv4MCAddrs = 14
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numOfTestIPv6MCAddrs = 18
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)
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var (
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igmpInterfaceTable = []Interface{
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{Name: "lo"},
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{Name: "eth0"}, {Name: "eth1"}, {Name: "eth2"},
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{Name: "eth0.100"}, {Name: "eth0.101"}, {Name: "eth0.102"}, {Name: "eth0.103"},
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{Name: "device1tap2"},
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}
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igmp6InterfaceTable = []Interface{
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{Name: "lo"},
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{Name: "eth0"}, {Name: "eth1"}, {Name: "eth2"},
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{Name: "eth0.100"}, {Name: "eth0.101"}, {Name: "eth0.102"}, {Name: "eth0.103"},
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{Name: "device1tap2"},
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{Name: "pan0"},
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}
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)
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func TestParseProcNet(t *testing.T) {
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defer func() {
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if p := recover(); p != nil {
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t.Fatalf("panicked: %v", p)
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}
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}()
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var ifmat4 []Addr
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for _, ifi := range igmpInterfaceTable {
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ifmat := parseProcNetIGMP("testdata/igmp", &ifi)
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ifmat4 = append(ifmat4, ifmat...)
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}
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if len(ifmat4) != numOfTestIPv4MCAddrs {
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t.Fatalf("got %d; want %d", len(ifmat4), numOfTestIPv4MCAddrs)
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}
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var ifmat6 []Addr
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for _, ifi := range igmp6InterfaceTable {
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ifmat := parseProcNetIGMP6("testdata/igmp6", &ifi)
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ifmat6 = append(ifmat6, ifmat...)
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}
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if len(ifmat6) != numOfTestIPv6MCAddrs {
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t.Fatalf("got %d; want %d", len(ifmat6), numOfTestIPv6MCAddrs)
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}
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}
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