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// Copyright 2012 The Go 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 net
import (
"fmt"
"os/exec"
"testing"
)
func (ti *testInterface) setBroadcast(suffix int) error {
ti.name = fmt.Sprintf("gotest%d", suffix)
xname, err := exec.LookPath("ip")
if err != nil {
return err
}
ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
Path: xname,
Args: []string{"ip", "link", "add", ti.name, "type", "dummy"},
})
ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{
Path: xname,
Args: []string{"ip", "link", "delete", ti.name, "type", "dummy"},
})
return nil
}
func (ti *testInterface) setPointToPoint(suffix int, local, remote string) error {
ti.name = fmt.Sprintf("gotest%d", suffix)
ti.local = local
ti.remote = remote
xname, err := exec.LookPath("ip")
if err != nil {
return err
}
ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
Path: xname,
Args: []string{"ip", "tunnel", "add", ti.name, "mode", "gre", "local", local, "remote", remote},
})
ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{
Path: xname,
Args: []string{"ip", "tunnel", "del", ti.name, "mode", "gre", "local", local, "remote", remote},
})
xname, err = exec.LookPath("ifconfig")
if err != nil {
return err
}
ti.setupCmds = append(ti.setupCmds, &exec.Cmd{
Path: xname,
Args: []string{"ifconfig", ti.name, "inet", local, "dstaddr", remote},
})
return nil
}
const (
numOfTestIPv4MCAddrs = 14
numOfTestIPv6MCAddrs = 18
)
var (
igmpInterfaceTable = []Interface{
{Name: "lo"},
{Name: "eth0"}, {Name: "eth1"}, {Name: "eth2"},
{Name: "eth0.100"}, {Name: "eth0.101"}, {Name: "eth0.102"}, {Name: "eth0.103"},
{Name: "device1tap2"},
}
igmp6InterfaceTable = []Interface{
{Name: "lo"},
{Name: "eth0"}, {Name: "eth1"}, {Name: "eth2"},
{Name: "eth0.100"}, {Name: "eth0.101"}, {Name: "eth0.102"}, {Name: "eth0.103"},
{Name: "device1tap2"},
{Name: "pan0"},
}
)
func TestParseProcNet(t *testing.T) {
defer func() {
if p := recover(); p != nil {
t.Fatalf("panicked")
}
}()
var ifmat4 []Addr
for _, ifi := range igmpInterfaceTable {
ifmat := parseProcNetIGMP("testdata/igmp", &ifi)
ifmat4 = append(ifmat4, ifmat...)
}
if len(ifmat4) != numOfTestIPv4MCAddrs {
t.Fatalf("parseProcNetIGMP returns %v addresses, expected %v", len(ifmat4), numOfTestIPv4MCAddrs)
}
var ifmat6 []Addr
for _, ifi := range igmp6InterfaceTable {
ifmat := parseProcNetIGMP6("testdata/igmp6", &ifi)
ifmat6 = append(ifmat6, ifmat...)
}
if len(ifmat6) != numOfTestIPv6MCAddrs {
t.Fatalf("parseProcNetIGMP6 returns %v addresses, expected %v", len(ifmat6), numOfTestIPv6MCAddrs)
}
}
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