| // 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/ipv6" |
| "golang.org/x/net/nettest" |
| ) |
| |
| 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 "fuchsia", "hurd", "js", "nacl", "plan9", "windows": |
| t.Skipf("not supported on %s", runtime.GOOS) |
| } |
| if !nettest.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 _, err := nettest.MulticastSource("ip6", &ifi); err != nil { |
| 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 "fuchsia", "hurd", "js", "nacl", "plan9", "windows", "zos": |
| t.Skipf("not supported on %s", runtime.GOOS) |
| } |
| if !nettest.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 _, err := nettest.MulticastSource("ip6", &ifi); err != nil { |
| 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 "fuchsia", "hurd", "js", "nacl", "plan9", "windows": |
| t.Skipf("not supported on %s", runtime.GOOS) |
| } |
| if !nettest.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, err := nettest.MulticastSource("ip6", &ifi) |
| if err != nil { |
| 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 service 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 "fuchsia", "hurd", "js", "nacl", "plan9", "windows": |
| t.Skipf("not supported on %s", runtime.GOOS) |
| } |
| if !nettest.SupportsIPv6() { |
| t.Skip("ipv6 is not supported") |
| } |
| if !nettest.SupportsRawSocket() { |
| t.Skipf("not supported on %s/%s", runtime.GOOS, runtime.GOARCH) |
| } |
| |
| 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 _, err := nettest.MulticastSource("ip6", &ifi); err != nil { |
| 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", "ios", "dragonfly", "openbsd": // platforms that return fe80::1%lo0: bind: can't assign requested address |
| t.Skipf("not supported on %s", runtime.GOOS) |
| case "fuchsia", "hurd", "js", "nacl", "plan9", "windows": |
| t.Skipf("not supported on %s", runtime.GOOS) |
| } |
| if !nettest.SupportsIPv6() { |
| t.Skip("ipv6 is not supported") |
| } |
| if !nettest.SupportsRawSocket() { |
| t.Skipf("not supported on %s/%s", runtime.GOOS, runtime.GOARCH) |
| } |
| |
| 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, err := nettest.MulticastSource("ip6", &ifi) |
| if err != nil { |
| 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) |
| } |
| } |
| } |