func (this Link) SetHwAddr() Link {
if this.HwAddr == "" {
this.HwAddr = pool.ThePool().NextMac(firstrealhw().HardwareAddr.String())
}
return this
}
func (this Link) SetCidr() Link {
if this.Cidr == "" {
this.Cidr = pool.ThePool().NextCidr()
}
return this
}
func TestHostToHost(t *testing.T) {
pool.ThePool("192.168.55.1/24")
h1, err := NewHost()
if err != nil {
t.Fatal(err)
}
defer h1.Release()
h2, err := NewHost()
if err != nil {
t.Fatal(err)
}
defer h2.Release()
p := NewLink(h1, h2)
if err := p.Create(); err != nil {
t.Fatal(err)
}
p, err = p.Up()
if err != nil {
t.Fatal(err)
}
h1.AddLink(p.Left)
h2.AddLink(p.Right)
if err := ping(h1, h2); err != nil {
t.Fatal("Ping failed:", err)
}
}
func init() {
pool.ThePool("192.168.55.1/24")
}
func TestTopoSimple(t *testing.T) {
root, err := NewSwitch()
if err != nil {
t.Fatal(err)
}
defer root.Release()
hosts := []*Host{}
pool.ThePool("192.168.55.1/24")
for i := 0; i < 10; i++ {
host, err := NewHost(hostname(65535))
if err != nil {
t.Fatal(err)
}
defer host.Release()
pair := NewLink(root, host, Link{Cidr: noip})
pair.Create()
if err := root.AddLink(pair.Left); err != nil {
t.Fatal(err)
}
if err := pair.Left.Up(); err != nil {
t.Fatal(err)
}
if err := pair.Right.ApplyCidr(); err != nil {
t.Fatal(err)
}
if err := pair.Right.Up(); err != nil {
t.Fatal(err)
}
host.AddLink(pair.Right)
hosts = append(hosts, host)
}
for _, src := range hosts {
for _, dst := range hosts {
if src.NodeName() == dst.NodeName() {
continue
}
out, err := RunCommand("ip", "netns", "exec", src.NodeName(), "ping", "-c1", dst.Links[0].Ip())
if err != nil {
t.Fatal(err, out)
}
if !strings.Contains(out, "1 received") {
t.Fatal("Can't reach 192.168.55.1 from", dst.Links[0].Ip(), "\n",
"Output:", out)
}
}
}
}