mirror of
https://github.com/Oxalide/vsphere-influxdb-go.git
synced 2023-10-10 13:36:51 +02:00
266 lines
5.9 KiB
Go
266 lines
5.9 KiB
Go
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ipv4_test
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import (
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"net"
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"runtime"
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"testing"
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"golang.org/x/net/internal/nettest"
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"golang.org/x/net/ipv4"
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)
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var udpMultipleGroupListenerTests = []net.Addr{
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&net.UDPAddr{IP: net.IPv4(224, 0, 0, 249)}, // see RFC 4727
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&net.UDPAddr{IP: net.IPv4(224, 0, 0, 250)},
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&net.UDPAddr{IP: net.IPv4(224, 0, 0, 254)},
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}
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func TestUDPSinglePacketConnWithMultipleGroupListeners(t *testing.T) {
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switch runtime.GOOS {
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case "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if testing.Short() {
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t.Skip("to avoid external network")
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}
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for _, gaddr := range udpMultipleGroupListenerTests {
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c, err := net.ListenPacket("udp4", "0.0.0.0:0") // wildcard address with no reusable port
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if err != nil {
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t.Fatal(err)
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}
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defer c.Close()
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p := ipv4.NewPacketConn(c)
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var mift []*net.Interface
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ift, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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for i, ifi := range ift {
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if _, ok := nettest.IsMulticastCapable("ip4", &ifi); !ok {
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continue
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}
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if err := p.JoinGroup(&ifi, gaddr); err != nil {
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t.Fatal(err)
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}
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mift = append(mift, &ift[i])
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}
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for _, ifi := range mift {
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if err := p.LeaveGroup(ifi, gaddr); err != nil {
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t.Fatal(err)
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}
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}
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}
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}
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func TestUDPMultiplePacketConnWithMultipleGroupListeners(t *testing.T) {
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switch runtime.GOOS {
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case "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if testing.Short() {
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t.Skip("to avoid external network")
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}
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for _, gaddr := range udpMultipleGroupListenerTests {
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c1, err := net.ListenPacket("udp4", "224.0.0.0:0") // wildcard address with reusable port
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if err != nil {
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t.Fatal(err)
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}
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defer c1.Close()
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_, port, err := net.SplitHostPort(c1.LocalAddr().String())
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if err != nil {
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t.Fatal(err)
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}
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c2, err := net.ListenPacket("udp4", net.JoinHostPort("224.0.0.0", port)) // wildcard address with reusable port
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if err != nil {
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t.Fatal(err)
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}
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defer c2.Close()
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var ps [2]*ipv4.PacketConn
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ps[0] = ipv4.NewPacketConn(c1)
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ps[1] = ipv4.NewPacketConn(c2)
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var mift []*net.Interface
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ift, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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for i, ifi := range ift {
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if _, ok := nettest.IsMulticastCapable("ip4", &ifi); !ok {
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continue
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}
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for _, p := range ps {
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if err := p.JoinGroup(&ifi, gaddr); err != nil {
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t.Fatal(err)
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}
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}
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mift = append(mift, &ift[i])
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}
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for _, ifi := range mift {
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for _, p := range ps {
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if err := p.LeaveGroup(ifi, gaddr); err != nil {
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t.Fatal(err)
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}
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}
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}
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}
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}
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func TestUDPPerInterfaceSinglePacketConnWithSingleGroupListener(t *testing.T) {
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switch runtime.GOOS {
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case "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if testing.Short() {
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t.Skip("to avoid external network")
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}
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gaddr := net.IPAddr{IP: net.IPv4(224, 0, 0, 254)} // see RFC 4727
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type ml struct {
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c *ipv4.PacketConn
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ifi *net.Interface
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}
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var mlt []*ml
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ift, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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port := "0"
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for i, ifi := range ift {
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ip, ok := nettest.IsMulticastCapable("ip4", &ifi)
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if !ok {
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continue
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}
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c, err := net.ListenPacket("udp4", net.JoinHostPort(ip.String(), port)) // unicast address with non-reusable port
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if err != nil {
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// The listen may fail when the serivce is
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// already in use, but it's fine because the
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// purpose of this is not to test the
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// bookkeeping of IP control block inside the
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// kernel.
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t.Log(err)
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continue
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}
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defer c.Close()
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if port == "0" {
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_, port, err = net.SplitHostPort(c.LocalAddr().String())
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if err != nil {
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t.Fatal(err)
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}
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}
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p := ipv4.NewPacketConn(c)
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if err := p.JoinGroup(&ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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mlt = append(mlt, &ml{p, &ift[i]})
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}
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for _, m := range mlt {
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if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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}
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}
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func TestIPSingleRawConnWithSingleGroupListener(t *testing.T) {
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switch runtime.GOOS {
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case "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if testing.Short() {
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t.Skip("to avoid external network")
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}
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if m, ok := nettest.SupportsRawIPSocket(); !ok {
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t.Skip(m)
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}
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c, err := net.ListenPacket("ip4:icmp", "0.0.0.0") // wildcard address
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if err != nil {
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t.Fatal(err)
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}
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defer c.Close()
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r, err := ipv4.NewRawConn(c)
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if err != nil {
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t.Fatal(err)
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}
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gaddr := net.IPAddr{IP: net.IPv4(224, 0, 0, 254)} // see RFC 4727
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var mift []*net.Interface
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ift, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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for i, ifi := range ift {
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if _, ok := nettest.IsMulticastCapable("ip4", &ifi); !ok {
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continue
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}
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if err := r.JoinGroup(&ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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mift = append(mift, &ift[i])
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}
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for _, ifi := range mift {
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if err := r.LeaveGroup(ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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}
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}
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func TestIPPerInterfaceSingleRawConnWithSingleGroupListener(t *testing.T) {
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switch runtime.GOOS {
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case "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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if testing.Short() {
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t.Skip("to avoid external network")
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}
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if m, ok := nettest.SupportsRawIPSocket(); !ok {
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t.Skip(m)
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}
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gaddr := net.IPAddr{IP: net.IPv4(224, 0, 0, 254)} // see RFC 4727
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type ml struct {
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c *ipv4.RawConn
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ifi *net.Interface
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}
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var mlt []*ml
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ift, err := net.Interfaces()
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if err != nil {
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t.Fatal(err)
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}
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for i, ifi := range ift {
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ip, ok := nettest.IsMulticastCapable("ip4", &ifi)
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if !ok {
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continue
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}
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c, err := net.ListenPacket("ip4:253", ip.String()) // unicast address
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if err != nil {
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t.Fatal(err)
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}
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defer c.Close()
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r, err := ipv4.NewRawConn(c)
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if err != nil {
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t.Fatal(err)
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}
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if err := r.JoinGroup(&ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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mlt = append(mlt, &ml{r, &ift[i]})
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}
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for _, m := range mlt {
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if err := m.c.LeaveGroup(m.ifi, &gaddr); err != nil {
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t.Fatal(err)
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}
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}
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}
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