+++ /dev/null
-// Copyright 2012 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 ipv4_test
-
-import (
- "net"
- "runtime"
- "testing"
-
- "golang.org/x/net/internal/nettest"
- "golang.org/x/net/ipv4"
-)
-
-var packetConnMulticastSocketOptionTests = []struct {
- net, proto, addr string
- grp, src net.Addr
-}{
- {"udp4", "", "224.0.0.0:0", &net.UDPAddr{IP: net.IPv4(224, 0, 0, 249)}, nil}, // see RFC 4727
- {"ip4", ":icmp", "0.0.0.0", &net.IPAddr{IP: net.IPv4(224, 0, 0, 250)}, nil}, // see RFC 4727
-
- {"udp4", "", "232.0.0.0:0", &net.UDPAddr{IP: net.IPv4(232, 0, 1, 249)}, &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
- {"ip4", ":icmp", "0.0.0.0", &net.IPAddr{IP: net.IPv4(232, 0, 1, 250)}, &net.UDPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
-}
-
-func TestPacketConnMulticastSocketOptions(t *testing.T) {
- switch runtime.GOOS {
- case "nacl", "plan9":
- t.Skipf("not supported on %s", runtime.GOOS)
- }
- ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
- if ifi == nil {
- t.Skipf("not available on %s", runtime.GOOS)
- }
-
- m, ok := nettest.SupportsRawIPSocket()
- for _, tt := range packetConnMulticastSocketOptionTests {
- if tt.net == "ip4" && !ok {
- t.Log(m)
- continue
- }
- c, err := net.ListenPacket(tt.net+tt.proto, tt.addr)
- if err != nil {
- t.Fatal(err)
- }
- defer c.Close()
- p := ipv4.NewPacketConn(c)
- defer p.Close()
-
- if tt.src == nil {
- testMulticastSocketOptions(t, p, ifi, tt.grp)
- } else {
- testSourceSpecificMulticastSocketOptions(t, p, ifi, tt.grp, tt.src)
- }
- }
-}
-
-var rawConnMulticastSocketOptionTests = []struct {
- grp, src net.Addr
-}{
- {&net.IPAddr{IP: net.IPv4(224, 0, 0, 250)}, nil}, // see RFC 4727
-
- {&net.IPAddr{IP: net.IPv4(232, 0, 1, 250)}, &net.IPAddr{IP: net.IPv4(127, 0, 0, 1)}}, // see RFC 5771
-}
-
-func TestRawConnMulticastSocketOptions(t *testing.T) {
- switch runtime.GOOS {
- case "nacl", "plan9":
- t.Skipf("not supported on %s", runtime.GOOS)
- }
- if m, ok := nettest.SupportsRawIPSocket(); !ok {
- t.Skip(m)
- }
- ifi := nettest.RoutedInterface("ip4", net.FlagUp|net.FlagMulticast|net.FlagLoopback)
- if ifi == nil {
- t.Skipf("not available on %s", runtime.GOOS)
- }
-
- for _, tt := range rawConnMulticastSocketOptionTests {
- c, err := net.ListenPacket("ip4:icmp", "0.0.0.0")
- if err != nil {
- t.Fatal(err)
- }
- defer c.Close()
- r, err := ipv4.NewRawConn(c)
- if err != nil {
- t.Fatal(err)
- }
- defer r.Close()
-
- if tt.src == nil {
- testMulticastSocketOptions(t, r, ifi, tt.grp)
- } else {
- testSourceSpecificMulticastSocketOptions(t, r, ifi, tt.grp, tt.src)
- }
- }
-}
-
-type testIPv4MulticastConn interface {
- MulticastTTL() (int, error)
- SetMulticastTTL(ttl int) error
- MulticastLoopback() (bool, error)
- SetMulticastLoopback(bool) error
- JoinGroup(*net.Interface, net.Addr) error
- LeaveGroup(*net.Interface, net.Addr) error
- JoinSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
- LeaveSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
- ExcludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
- IncludeSourceSpecificGroup(*net.Interface, net.Addr, net.Addr) error
-}
-
-func testMulticastSocketOptions(t *testing.T, c testIPv4MulticastConn, ifi *net.Interface, grp net.Addr) {
- const ttl = 255
- if err := c.SetMulticastTTL(ttl); err != nil {
- t.Error(err)
- return
- }
- if v, err := c.MulticastTTL(); err != nil {
- t.Error(err)
- return
- } else if v != ttl {
- t.Errorf("got %v; want %v", v, ttl)
- return
- }
-
- for _, toggle := range []bool{true, false} {
- if err := c.SetMulticastLoopback(toggle); err != nil {
- t.Error(err)
- return
- }
- if v, err := c.MulticastLoopback(); err != nil {
- t.Error(err)
- return
- } else if v != toggle {
- t.Errorf("got %v; want %v", v, toggle)
- return
- }
- }
-
- if err := c.JoinGroup(ifi, grp); err != nil {
- t.Error(err)
- return
- }
- if err := c.LeaveGroup(ifi, grp); err != nil {
- t.Error(err)
- return
- }
-}
-
-func testSourceSpecificMulticastSocketOptions(t *testing.T, c testIPv4MulticastConn, ifi *net.Interface, grp, src net.Addr) {
- // MCAST_JOIN_GROUP -> MCAST_BLOCK_SOURCE -> MCAST_UNBLOCK_SOURCE -> MCAST_LEAVE_GROUP
- if err := c.JoinGroup(ifi, grp); err != nil {
- t.Error(err)
- return
- }
- if err := c.ExcludeSourceSpecificGroup(ifi, grp, src); err != nil {
- switch runtime.GOOS {
- case "freebsd", "linux":
- default: // platforms that don't support IGMPv2/3 fail here
- t.Logf("not supported on %s", runtime.GOOS)
- return
- }
- t.Error(err)
- return
- }
- if err := c.IncludeSourceSpecificGroup(ifi, grp, src); err != nil {
- t.Error(err)
- return
- }
- if err := c.LeaveGroup(ifi, grp); err != nil {
- t.Error(err)
- return
- }
-
- // MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_SOURCE_GROUP
- if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
- t.Error(err)
- return
- }
- if err := c.LeaveSourceSpecificGroup(ifi, grp, src); err != nil {
- t.Error(err)
- return
- }
-
- // MCAST_JOIN_SOURCE_GROUP -> MCAST_LEAVE_GROUP
- if err := c.JoinSourceSpecificGroup(ifi, grp, src); err != nil {
- t.Error(err)
- return
- }
- if err := c.LeaveGroup(ifi, grp); err != nil {
- t.Error(err)
- return
- }
-}
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