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 packetConnMulticastSocketOptionTests = []struct {
17 net, proto, addr string
20 {"udp6", "", "[ff02::]:0", &net.UDPAddr{IP: net.ParseIP("ff02::114")}, nil}, // see RFC 4727
21 {"ip6", ":ipv6-icmp", "::", &net.IPAddr{IP: net.ParseIP("ff02::115")}, nil}, // see RFC 4727
23 {"udp6", "", "[ff30::8000:0]:0", &net.UDPAddr{IP: net.ParseIP("ff30::8000:1")}, &net.UDPAddr{IP: net.IPv6loopback}}, // see RFC 5771
24 {"ip6", ":ipv6-icmp", "::", &net.IPAddr{IP: net.ParseIP("ff30::8000:2")}, &net.IPAddr{IP: net.IPv6loopback}}, // see RFC 5771
27 func TestPacketConnMulticastSocketOptions(t *testing.T) {
29 case "nacl", "plan9", "windows":
30 t.Skipf("not supported on %s", runtime.GOOS)
33 t.Skip("ipv6 is not supported")
35 ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
37 t.Skipf("not available on %s", runtime.GOOS)
40 m, ok := nettest.SupportsRawIPSocket()
41 for _, tt := range packetConnMulticastSocketOptionTests {
42 if tt.net == "ip6" && !ok {
46 c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
51 p := ipv6.NewPacketConn(c)
55 testMulticastSocketOptions(t, p, ifi, tt.grp)
57 testSourceSpecificMulticastSocketOptions(t, p, ifi, tt.grp, tt.src)
62 type testIPv6MulticastConn interface {
63 MulticastHopLimit() (int, error)
64 SetMulticastHopLimit(ttl int) error
65 MulticastLoopback() (bool, error)
66 SetMulticastLoopback(bool) error
67 JoinGroup(*net.Interface, net.Addr) error
68 LeaveGroup(*net.Interface, net.Addr) error
69 JoinSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
70 LeaveSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
71 ExcludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
72 IncludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
75 func testMulticastSocketOptions(t *testing.T, c testIPv6MulticastConn, ifi *net.Interface, grp net.Addr) {
77 if err := c.SetMulticastHopLimit(hoplim); err != nil {
81 if v, err := c.MulticastHopLimit(); err != nil {
84 } else if v != hoplim {
85 t.Errorf("got %v; want %v", v, hoplim)
89 for _, toggle := range []bool{true, false} {
90 if err := c.SetMulticastLoopback(toggle); err != nil {
94 if v, err := c.MulticastLoopback(); err != nil {
97 } else if v != toggle {
98 t.Errorf("got %v; want %v", v, toggle)
103 if err := c.JoinGroup(ifi, grp); err != nil {
107 if err := c.LeaveGroup(ifi, grp); err != nil {
113 func testSourceSpecificMulticastSocketOptions(t *testing.T, c testIPv6MulticastConn, ifi *net.Interface, grp, src net.Addr) {
114 // MCAST_JOIN_GROUP -> MCAST_BLOCK_SOURCE -> MCAST_UNBLOCK_SOURCE -> MCAST_LEAVE_GROUP
115 if err := c.JoinGroup(ifi, grp); err != nil {
119 if err := c.ExcludeSourceSpecificGroup(ifi, grp, src); err != nil {
120 switch runtime.GOOS {
121 case "freebsd", "linux":
122 default: // platforms that don't support MLDv2 fail here
123 t.Logf("not supported on %s", runtime.GOOS)
129 if err := c.IncludeSourceSpecificGroup(ifi, grp, src); err != nil {
133 if err := c.LeaveGroup(ifi, grp); err != nil {
138 // MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_SOURCE_GROUP
139 if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
143 if err := c.LeaveSourceSpecificGroup(ifi, grp, src); err != nil {
148 // MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_GROUP
149 if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
153 if err := c.LeaveGroup(ifi, grp); err != nil {