1 // Copyright 2013 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
12 "golang.org/x/net/internal/nettest"
13 "golang.org/x/net/ipv6"
16 var udpMultipleGroupListenerTests = []net.Addr{
17 &net.UDPAddr{IP: net.ParseIP("ff02::114")}, // see RFC 4727
18 &net.UDPAddr{IP: net.ParseIP("ff02::1:114")},
19 &net.UDPAddr{IP: net.ParseIP("ff02::2:114")},
22 func TestUDPSinglePacketConnWithMultipleGroupListeners(t *testing.T) {
24 case "nacl", "plan9", "windows":
25 t.Skipf("not supported on %s", runtime.GOOS)
28 t.Skip("ipv6 is not supported")
31 for _, gaddr := range udpMultipleGroupListenerTests {
32 c, err := net.ListenPacket("udp6", "[::]:0") // wildcard address with non-reusable port
38 p := ipv6.NewPacketConn(c)
39 var mift []*net.Interface
41 ift, err := net.Interfaces()
45 for i, ifi := range ift {
46 if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
49 if err := p.JoinGroup(&ifi, gaddr); err != nil {
52 mift = append(mift, &ift[i])
54 for _, ifi := range mift {
55 if err := p.LeaveGroup(ifi, gaddr); err != nil {
62 func TestUDPMultiplePacketConnWithMultipleGroupListeners(t *testing.T) {
64 case "nacl", "plan9", "windows":
65 t.Skipf("not supported on %s", runtime.GOOS)
68 t.Skip("ipv6 is not supported")
71 for _, gaddr := range udpMultipleGroupListenerTests {
72 c1, err := net.ListenPacket("udp6", "[ff02::]:0") // wildcard address with reusable port
77 _, port, err := net.SplitHostPort(c1.LocalAddr().String())
81 c2, err := net.ListenPacket("udp6", net.JoinHostPort("ff02::", port)) // wildcard address with reusable port
87 var ps [2]*ipv6.PacketConn
88 ps[0] = ipv6.NewPacketConn(c1)
89 ps[1] = ipv6.NewPacketConn(c2)
90 var mift []*net.Interface
92 ift, err := net.Interfaces()
96 for i, ifi := range ift {
97 if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
100 for _, p := range ps {
101 if err := p.JoinGroup(&ifi, gaddr); err != nil {
105 mift = append(mift, &ift[i])
107 for _, ifi := range mift {
108 for _, p := range ps {
109 if err := p.LeaveGroup(ifi, gaddr); err != nil {
117 func TestUDPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) {
118 switch runtime.GOOS {
119 case "nacl", "plan9", "windows":
120 t.Skipf("not supported on %s", runtime.GOOS)
123 t.Skip("ipv6 is not supported")
126 gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
133 ift, err := net.Interfaces()
138 for i, ifi := range ift {
139 ip, ok := nettest.IsMulticastCapable("ip6", &ifi)
143 c, err := net.ListenPacket("udp6", net.JoinHostPort(ip.String()+"%"+ifi.Name, port)) // unicast address with non-reusable port
145 // The listen may fail when the serivce is
146 // already in use, but it's fine because the
147 // purpose of this is not to test the
148 // bookkeeping of IP control block inside the
155 _, port, err = net.SplitHostPort(c.LocalAddr().String())
160 p := ipv6.NewPacketConn(c)
161 if err := p.JoinGroup(&ifi, &gaddr); err != nil {
164 mlt = append(mlt, &ml{p, &ift[i]})
166 for _, m := range mlt {
167 if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
173 func TestIPSinglePacketConnWithSingleGroupListener(t *testing.T) {
174 switch runtime.GOOS {
175 case "nacl", "plan9", "windows":
176 t.Skipf("not supported on %s", runtime.GOOS)
179 t.Skip("ipv6 is not supported")
181 if m, ok := nettest.SupportsRawIPSocket(); !ok {
185 c, err := net.ListenPacket("ip6:ipv6-icmp", "::") // wildcard address
191 p := ipv6.NewPacketConn(c)
192 gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
193 var mift []*net.Interface
195 ift, err := net.Interfaces()
199 for i, ifi := range ift {
200 if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
203 if err := p.JoinGroup(&ifi, &gaddr); err != nil {
206 mift = append(mift, &ift[i])
208 for _, ifi := range mift {
209 if err := p.LeaveGroup(ifi, &gaddr); err != nil {
215 func TestIPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) {
216 switch runtime.GOOS {
217 case "darwin", "dragonfly", "openbsd": // platforms that return fe80::1%lo0: bind: can't assign requested address
218 t.Skipf("not supported on %s", runtime.GOOS)
219 case "nacl", "plan9", "windows":
220 t.Skipf("not supported on %s", runtime.GOOS)
223 t.Skip("ipv6 is not supported")
225 if m, ok := nettest.SupportsRawIPSocket(); !ok {
229 gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
236 ift, err := net.Interfaces()
240 for i, ifi := range ift {
241 ip, ok := nettest.IsMulticastCapable("ip6", &ifi)
245 c, err := net.ListenPacket("ip6:ipv6-icmp", ip.String()+"%"+ifi.Name) // unicast address
250 p := ipv6.NewPacketConn(c)
251 if err := p.JoinGroup(&ifi, &gaddr); err != nil {
254 mlt = append(mlt, &ml{p, &ift[i]})
256 for _, m := range mlt {
257 if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {