예제 #1
0
파일: vbox.go 프로젝트: koding/koding
func (t *Tunnel) gateways() (map[string]string, error) {
	routes, err := util.ParseRoutes()
	if err != nil {
		return nil, err
	}

	gateways := make(map[string]string)

	for _, r := range routes {
		if !begins(r.Iface, "eth") {
			continue
		}

		if r.Gateway == nil {
			continue
		}

		gateways[r.Iface] = r.Gateway.String()
	}

	if len(gateways) == 0 {
		return nil, errors.New("no interfaces found")
	}

	return gateways, nil
}
예제 #2
0
func TestRoutesUnique(t *testing.T) {
	r, err := util.ParseRoutes()
	if err == util.ErrNotImplemented {
		t.Skipf("util.ParseRoutes is not implemented for %s", runtime.GOOS)
	}
	if err != nil {
		t.Fatal(err)
	}

	if len(r) == 0 {
		t.Fatal("no routes parsed")
	}

	gateways := make(map[string]struct{})

	for _, r := range r {
		if r.Gateway != nil {
			gateways[r.Gateway.String()] = struct{}{}
		}
	}

	addrs, err := net.InterfaceAddrs()
	if err != nil {
		t.Fatal(err)
	}

	for i, a := range addrs {
		ipnet, ok := a.(*net.IPNet)
		if !ok {
			t.Errorf("%d: want %v to be %T, was %T", i, a, (*net.IPNet)(nil), a)
			continue
		}

		if _, ok = gateways[ipnet.IP.String()]; ok {
			t.Errorf("%d: %s is not a gateway, but was parsed by routes", i, ipnet.IP)
		}
	}
}