go.net/ipv6: new package
Package ipv6 implements IP-level socket options for the Internet
Protocol version 6. It also provides datagram based network I/O
methods specific to the IPv6 and higher layer protocols.
Fixes golang/go#5538.
R=dave
CC=golang-dev
https://golang.org/cl/9843044
diff --git a/ipv6/icmp_test.go b/ipv6/icmp_test.go
new file mode 100644
index 0000000..9727829
--- /dev/null
+++ b/ipv6/icmp_test.go
@@ -0,0 +1,81 @@
+// 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 (
+ "code.google.com/p/go.net/ipv6"
+ "net"
+ "os"
+ "reflect"
+ "runtime"
+ "sync"
+ "testing"
+)
+
+func TestICMPFilter(t *testing.T) {
+ switch runtime.GOOS {
+ case "plan9", "windows":
+ t.Skipf("not supported on %q", runtime.GOOS)
+ }
+
+ var f ipv6.ICMPFilter
+ for _, toggle := range []bool{false, true} {
+ f.SetAll(toggle)
+ var wg sync.WaitGroup
+ for _, typ := range []ipv6.ICMPType{
+ ipv6.ICMPTypeDestinationUnreachable,
+ ipv6.ICMPTypeEchoReply,
+ ipv6.ICMPTypeNeighborSolicitation,
+ ipv6.ICMPTypeDuplicateAddressConfirmation,
+ } {
+ wg.Add(1)
+ go func(typ ipv6.ICMPType) {
+ defer wg.Done()
+ f.Set(typ, false)
+ if f.WillBlock(typ) {
+ t.Errorf("ipv6.ICMPFilter.Set(%v, false) failed", typ)
+ }
+ f.Set(typ, true)
+ if !f.WillBlock(typ) {
+ t.Errorf("ipv6.ICMPFilter.Set(%v, true) failed", typ)
+ }
+ }(typ)
+ }
+ wg.Wait()
+ }
+}
+
+func TestSetICMPFilter(t *testing.T) {
+ switch runtime.GOOS {
+ case "plan9", "windows":
+ t.Skipf("not supported on %q", runtime.GOOS)
+ }
+ if os.Getuid() != 0 {
+ t.Skip("must be root")
+ }
+
+ c, err := net.ListenPacket("ip6:ipv6-icmp", "::1")
+ if err != nil {
+ t.Fatalf("net.ListenPacket failed: %v", err)
+ }
+ defer c.Close()
+
+ p := ipv6.NewPacketConn(c)
+
+ var f ipv6.ICMPFilter
+ f.SetAll(true)
+ f.Set(ipv6.ICMPTypeEchoRequest, false)
+ f.Set(ipv6.ICMPTypeEchoReply, false)
+ if err := p.SetICMPFilter(&f); err != nil {
+ t.Fatalf("ipv6.PacketConn.SetICMPFilter failed: %v", err)
+ }
+ kf, err := p.ICMPFilter()
+ if err != nil {
+ t.Fatalf("ipv6.PacketConn.ICMPFilter failed: %v", err)
+ }
+ if !reflect.DeepEqual(kf, &f) {
+ t.Fatalf("got unexpected filter %#v; expected %#v", kf, f)
+ }
+}
