134 lines
2.9 KiB
Go
134 lines
2.9 KiB
Go
|
// 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 (
|
||
|
|
"fmt"
|
||
|
|
"net"
|
||
|
|
"runtime"
|
||
|
|
"testing"
|
||
|
|
|
||
|
|
"golang.org/x/net/internal/iana"
|
||
|
|
"golang.org/x/net/internal/nettest"
|
||
|
|
"golang.org/x/net/ipv6"
|
||
|
|
)
|
||
|
|
|
||
|
|
var supportsIPv6 bool = nettest.SupportsIPv6()
|
||
|
|
|
||
|
|
func TestConnInitiatorPathMTU(t *testing.T) {
|
||
|
|
switch runtime.GOOS {
|
||
|
|
case "js", "nacl", "plan9", "windows":
|
||
|
|
t.Skipf("not supported on %s", runtime.GOOS)
|
||
|
|
}
|
||
|
|
if !supportsIPv6 {
|
||
|
|
t.Skip("ipv6 is not supported")
|
||
|
|
}
|
||
|
|
|
||
|
|
ln, err := net.Listen("tcp6", "[::1]:0")
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
defer ln.Close()
|
||
|
|
|
||
|
|
done := make(chan bool)
|
||
|
|
go acceptor(t, ln, done)
|
||
|
|
|
||
|
|
c, err := net.Dial("tcp6", ln.Addr().String())
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
defer c.Close()
|
||
|
|
|
||
|
|
if pmtu, err := ipv6.NewConn(c).PathMTU(); err != nil {
|
||
|
|
switch runtime.GOOS {
|
||
|
|
case "darwin": // older darwin kernels don't support IPV6_PATHMTU option
|
||
|
|
t.Logf("not supported on %s", runtime.GOOS)
|
||
|
|
default:
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
t.Logf("path mtu for %v: %v", c.RemoteAddr(), pmtu)
|
||
|
|
}
|
||
|
|
|
||
|
|
<-done
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestConnResponderPathMTU(t *testing.T) {
|
||
|
|
switch runtime.GOOS {
|
||
|
|
case "js", "nacl", "plan9", "windows":
|
||
|
|
t.Skipf("not supported on %s", runtime.GOOS)
|
||
|
|
}
|
||
|
|
if !supportsIPv6 {
|
||
|
|
t.Skip("ipv6 is not supported")
|
||
|
|
}
|
||
|
|
|
||
|
|
ln, err := net.Listen("tcp6", "[::1]:0")
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
defer ln.Close()
|
||
|
|
|
||
|
|
done := make(chan bool)
|
||
|
|
go connector(t, "tcp6", ln.Addr().String(), done)
|
||
|
|
|
||
|
|
c, err := ln.Accept()
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
defer c.Close()
|
||
|
|
|
||
|
|
if pmtu, err := ipv6.NewConn(c).PathMTU(); err != nil {
|
||
|
|
switch runtime.GOOS {
|
||
|
|
case "darwin": // older darwin kernels don't support IPV6_PATHMTU option
|
||
|
|
t.Logf("not supported on %s", runtime.GOOS)
|
||
|
|
default:
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
t.Logf("path mtu for %v: %v", c.RemoteAddr(), pmtu)
|
||
|
|
}
|
||
|
|
|
||
|
|
<-done
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestPacketConnChecksum(t *testing.T) {
|
||
|
|
switch runtime.GOOS {
|
||
|
|
case "js", "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(fmt.Sprintf("ip6:%d", iana.ProtocolOSPFIGP), "::") // OSPF for IPv6
|
||
|
|
if err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
}
|
||
|
|
defer c.Close()
|
||
|
|
|
||
|
|
p := ipv6.NewPacketConn(c)
|
||
|
|
offset := 12 // see RFC 5340
|
||
|
|
|
||
|
|
for _, toggle := range []bool{false, true} {
|
||
|
|
if err := p.SetChecksum(toggle, offset); err != nil {
|
||
|
|
if toggle {
|
||
|
|
t.Fatalf("ipv6.PacketConn.SetChecksum(%v, %v) failed: %v", toggle, offset, err)
|
||
|
|
} else {
|
||
|
|
// Some platforms never allow to disable the kernel
|
||
|
|
// checksum processing.
|
||
|
|
t.Logf("ipv6.PacketConn.SetChecksum(%v, %v) failed: %v", toggle, offset, err)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if on, offset, err := p.Checksum(); err != nil {
|
||
|
|
t.Fatal(err)
|
||
|
|
} else {
|
||
|
|
t.Logf("kernel checksum processing enabled=%v, offset=%v", on, offset)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|