--- /dev/null
+// Copyright 2013 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 ipv6_test
+
+import (
+ "net"
+ "runtime"
+ "testing"
+
+ "golang.org/x/net/internal/nettest"
+ "golang.org/x/net/ipv6"
+)
+
+var udpMultipleGroupListenerTests = []net.Addr{
+ &net.UDPAddr{IP: net.ParseIP("ff02::114")}, // see RFC 4727
+ &net.UDPAddr{IP: net.ParseIP("ff02::1:114")},
+ &net.UDPAddr{IP: net.ParseIP("ff02::2:114")},
+}
+
+func TestUDPSinglePacketConnWithMultipleGroupListeners(t *testing.T) {
+ switch runtime.GOOS {
+ case "nacl", "plan9", "windows":
+ t.Skipf("not supported on %s", runtime.GOOS)
+ }
+ if !supportsIPv6 {
+ t.Skip("ipv6 is not supported")
+ }
+
+ for _, gaddr := range udpMultipleGroupListenerTests {
+ c, err := net.ListenPacket("udp6", "[::]:0") // wildcard address with non-reusable port
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer c.Close()
+
+ p := ipv6.NewPacketConn(c)
+ var mift []*net.Interface
+
+ ift, err := net.Interfaces()
+ if err != nil {
+ t.Fatal(err)
+ }
+ for i, ifi := range ift {
+ if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
+ continue
+ }
+ if err := p.JoinGroup(&ifi, gaddr); err != nil {
+ t.Fatal(err)
+ }
+ mift = append(mift, &ift[i])
+ }
+ for _, ifi := range mift {
+ if err := p.LeaveGroup(ifi, gaddr); err != nil {
+ t.Fatal(err)
+ }
+ }
+ }
+}
+
+func TestUDPMultiplePacketConnWithMultipleGroupListeners(t *testing.T) {
+ switch runtime.GOOS {
+ case "nacl", "plan9", "windows":
+ t.Skipf("not supported on %s", runtime.GOOS)
+ }
+ if !supportsIPv6 {
+ t.Skip("ipv6 is not supported")
+ }
+
+ for _, gaddr := range udpMultipleGroupListenerTests {
+ c1, err := net.ListenPacket("udp6", "[ff02::]:0") // wildcard address with reusable port
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer c1.Close()
+ _, port, err := net.SplitHostPort(c1.LocalAddr().String())
+ if err != nil {
+ t.Fatal(err)
+ }
+ c2, err := net.ListenPacket("udp6", net.JoinHostPort("ff02::", port)) // wildcard address with reusable port
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer c2.Close()
+
+ var ps [2]*ipv6.PacketConn
+ ps[0] = ipv6.NewPacketConn(c1)
+ ps[1] = ipv6.NewPacketConn(c2)
+ var mift []*net.Interface
+
+ ift, err := net.Interfaces()
+ if err != nil {
+ t.Fatal(err)
+ }
+ for i, ifi := range ift {
+ if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
+ continue
+ }
+ for _, p := range ps {
+ if err := p.JoinGroup(&ifi, gaddr); err != nil {
+ t.Fatal(err)
+ }
+ }
+ mift = append(mift, &ift[i])
+ }
+ for _, ifi := range mift {
+ for _, p := range ps {
+ if err := p.LeaveGroup(ifi, gaddr); err != nil {
+ t.Fatal(err)
+ }
+ }
+ }
+ }
+}
+
+func TestUDPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) {
+ switch runtime.GOOS {
+ case "nacl", "plan9", "windows":
+ t.Skipf("not supported on %s", runtime.GOOS)
+ }
+ if !supportsIPv6 {
+ t.Skip("ipv6 is not supported")
+ }
+
+ gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
+ type ml struct {
+ c *ipv6.PacketConn
+ ifi *net.Interface
+ }
+ var mlt []*ml
+
+ ift, err := net.Interfaces()
+ if err != nil {
+ t.Fatal(err)
+ }
+ port := "0"
+ for i, ifi := range ift {
+ ip, ok := nettest.IsMulticastCapable("ip6", &ifi)
+ if !ok {
+ continue
+ }
+ c, err := net.ListenPacket("udp6", net.JoinHostPort(ip.String()+"%"+ifi.Name, port)) // unicast address with non-reusable port
+ if err != nil {
+ // The listen may fail when the serivce is
+ // already in use, but it's fine because the
+ // purpose of this is not to test the
+ // bookkeeping of IP control block inside the
+ // kernel.
+ t.Log(err)
+ continue
+ }
+ defer c.Close()
+ if port == "0" {
+ _, port, err = net.SplitHostPort(c.LocalAddr().String())
+ if err != nil {
+ t.Fatal(err)
+ }
+ }
+ p := ipv6.NewPacketConn(c)
+ if err := p.JoinGroup(&ifi, &gaddr); err != nil {
+ t.Fatal(err)
+ }
+ mlt = append(mlt, &ml{p, &ift[i]})
+ }
+ for _, m := range mlt {
+ if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
+ t.Fatal(err)
+ }
+ }
+}
+
+func TestIPSinglePacketConnWithSingleGroupListener(t *testing.T) {
+ switch runtime.GOOS {
+ case "nacl", "plan9", "windows":
+ t.Skipf("not supported on %s", runtime.GOOS)
+ }
+ if !supportsIPv6 {
+ t.Skip("ipv6 is not supported")
+ }
+ if m, ok := nettest.SupportsRawIPSocket(); !ok {
+ t.Skip(m)
+ }
+
+ c, err := net.ListenPacket("ip6:ipv6-icmp", "::") // wildcard address
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer c.Close()
+
+ p := ipv6.NewPacketConn(c)
+ gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
+ var mift []*net.Interface
+
+ ift, err := net.Interfaces()
+ if err != nil {
+ t.Fatal(err)
+ }
+ for i, ifi := range ift {
+ if _, ok := nettest.IsMulticastCapable("ip6", &ifi); !ok {
+ continue
+ }
+ if err := p.JoinGroup(&ifi, &gaddr); err != nil {
+ t.Fatal(err)
+ }
+ mift = append(mift, &ift[i])
+ }
+ for _, ifi := range mift {
+ if err := p.LeaveGroup(ifi, &gaddr); err != nil {
+ t.Fatal(err)
+ }
+ }
+}
+
+func TestIPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) {
+ switch runtime.GOOS {
+ case "darwin", "dragonfly", "openbsd": // platforms that return fe80::1%lo0: bind: can't assign requested address
+ t.Skipf("not supported on %s", runtime.GOOS)
+ case "nacl", "plan9", "windows":
+ t.Skipf("not supported on %s", runtime.GOOS)
+ }
+ if !supportsIPv6 {
+ t.Skip("ipv6 is not supported")
+ }
+ if m, ok := nettest.SupportsRawIPSocket(); !ok {
+ t.Skip(m)
+ }
+
+ gaddr := net.IPAddr{IP: net.ParseIP("ff02::114")} // see RFC 4727
+ type ml struct {
+ c *ipv6.PacketConn
+ ifi *net.Interface
+ }
+ var mlt []*ml
+
+ ift, err := net.Interfaces()
+ if err != nil {
+ t.Fatal(err)
+ }
+ for i, ifi := range ift {
+ ip, ok := nettest.IsMulticastCapable("ip6", &ifi)
+ if !ok {
+ continue
+ }
+ c, err := net.ListenPacket("ip6:ipv6-icmp", ip.String()+"%"+ifi.Name) // unicast address
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer c.Close()
+ p := ipv6.NewPacketConn(c)
+ if err := p.JoinGroup(&ifi, &gaddr); err != nil {
+ t.Fatal(err)
+ }
+ mlt = append(mlt, &ml{p, &ift[i]})
+ }
+ for _, m := range mlt {
+ if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
+ t.Fatal(err)
+ }
+ }
+}
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