134 lines
2.9 KiB
Go
134 lines
2.9 KiB
Go
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// Copyright 2013 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 ipv6_test
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import (
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"fmt"
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"net"
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"runtime"
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"testing"
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"golang.org/x/net/internal/iana"
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"golang.org/x/net/internal/nettest"
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"golang.org/x/net/ipv6"
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)
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var supportsIPv6 bool = nettest.SupportsIPv6()
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func TestConnInitiatorPathMTU(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 !supportsIPv6 {
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t.Skip("ipv6 is not supported")
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}
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ln, err := net.Listen("tcp6", "[::1]:0")
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if err != nil {
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t.Fatal(err)
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}
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defer ln.Close()
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done := make(chan bool)
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go acceptor(t, ln, done)
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c, err := net.Dial("tcp6", ln.Addr().String())
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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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if pmtu, err := ipv6.NewConn(c).PathMTU(); err != nil {
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switch runtime.GOOS {
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case "darwin": // older darwin kernels don't support IPV6_PATHMTU option
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t.Logf("not supported on %s", runtime.GOOS)
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default:
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t.Fatal(err)
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}
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} else {
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t.Logf("path mtu for %v: %v", c.RemoteAddr(), pmtu)
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}
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<-done
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}
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func TestConnResponderPathMTU(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 !supportsIPv6 {
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t.Skip("ipv6 is not supported")
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}
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ln, err := net.Listen("tcp6", "[::1]:0")
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if err != nil {
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t.Fatal(err)
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}
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defer ln.Close()
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done := make(chan bool)
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go connector(t, "tcp6", ln.Addr().String(), done)
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c, err := ln.Accept()
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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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if pmtu, err := ipv6.NewConn(c).PathMTU(); err != nil {
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switch runtime.GOOS {
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case "darwin": // older darwin kernels don't support IPV6_PATHMTU option
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t.Logf("not supported on %s", runtime.GOOS)
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default:
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t.Fatal(err)
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}
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} else {
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t.Logf("path mtu for %v: %v", c.RemoteAddr(), pmtu)
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}
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<-done
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}
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func TestPacketConnChecksum(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 !supportsIPv6 {
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t.Skip("ipv6 is not supported")
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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(fmt.Sprintf("ip6:%d", iana.ProtocolOSPFIGP), "::") // OSPF for IPv6
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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 := ipv6.NewPacketConn(c)
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offset := 12 // see RFC 5340
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for _, toggle := range []bool{false, true} {
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if err := p.SetChecksum(toggle, offset); err != nil {
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if toggle {
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t.Fatalf("ipv6.PacketConn.SetChecksum(%v, %v) failed: %v", toggle, offset, err)
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} else {
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// Some platforms never allow to disable the kernel
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// checksum processing.
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t.Logf("ipv6.PacketConn.SetChecksum(%v, %v) failed: %v", toggle, offset, err)
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}
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}
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if on, offset, err := p.Checksum(); err != nil {
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t.Fatal(err)
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} else {
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t.Logf("kernel checksum processing enabled=%v, offset=%v", on, offset)
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}
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}
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}
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