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Diffstat (limited to 'vendor/golang.org/x/net/ipv6/readwrite_go1_8_test.go')
-rw-r--r--vendor/golang.org/x/net/ipv6/readwrite_go1_8_test.go242
1 files changed, 242 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/ipv6/readwrite_go1_8_test.go b/vendor/golang.org/x/net/ipv6/readwrite_go1_8_test.go
new file mode 100644
index 0000000..b3fbda1
--- /dev/null
+++ b/vendor/golang.org/x/net/ipv6/readwrite_go1_8_test.go
@@ -0,0 +1,242 @@
+// 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.
+
+// +build !go1.9
+
+package ipv6_test
+
+import (
+ "bytes"
+ "fmt"
+ "net"
+ "runtime"
+ "strings"
+ "sync"
+ "testing"
+
+ "golang.org/x/net/internal/iana"
+ "golang.org/x/net/internal/nettest"
+ "golang.org/x/net/ipv6"
+)
+
+func BenchmarkPacketConnReadWriteUnicast(b *testing.B) {
+ switch runtime.GOOS {
+ case "js", "nacl", "plan9", "windows":
+ b.Skipf("not supported on %s", runtime.GOOS)
+ }
+
+ payload := []byte("HELLO-R-U-THERE")
+ iph := []byte{
+ 0x69, 0x8b, 0xee, 0xf1, 0xca, 0xfe, 0xff, 0x01,
+ 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ }
+ greh := []byte{0x00, 0x00, 0x86, 0xdd, 0x00, 0x00, 0x00, 0x00}
+ datagram := append(greh, append(iph, payload...)...)
+ bb := make([]byte, 128)
+ cm := ipv6.ControlMessage{
+ TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
+ HopLimit: 1,
+ Src: net.IPv6loopback,
+ }
+ if ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback); ifi != nil {
+ cm.IfIndex = ifi.Index
+ }
+
+ b.Run("UDP", func(b *testing.B) {
+ c, err := nettest.NewLocalPacketListener("udp6")
+ if err != nil {
+ b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
+ }
+ defer c.Close()
+ p := ipv6.NewPacketConn(c)
+ dst := c.LocalAddr()
+ cf := ipv6.FlagHopLimit | ipv6.FlagInterface
+ if err := p.SetControlMessage(cf, true); err != nil {
+ b.Fatal(err)
+ }
+ b.Run("Net", func(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ if _, err := c.WriteTo(payload, dst); err != nil {
+ b.Fatal(err)
+ }
+ if _, _, err := c.ReadFrom(bb); err != nil {
+ b.Fatal(err)
+ }
+ }
+ })
+ b.Run("ToFrom", func(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ if _, err := p.WriteTo(payload, &cm, dst); err != nil {
+ b.Fatal(err)
+ }
+ if _, _, _, err := p.ReadFrom(bb); err != nil {
+ b.Fatal(err)
+ }
+ }
+ })
+ })
+ b.Run("IP", func(b *testing.B) {
+ switch runtime.GOOS {
+ case "netbsd":
+ b.Skip("need to configure gre on netbsd")
+ case "openbsd":
+ b.Skip("net.inet.gre.allow=0 by default on openbsd")
+ }
+
+ c, err := net.ListenPacket(fmt.Sprintf("ip6:%d", iana.ProtocolGRE), "::1")
+ if err != nil {
+ b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
+ }
+ defer c.Close()
+ p := ipv6.NewPacketConn(c)
+ dst := c.LocalAddr()
+ cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
+ if err := p.SetControlMessage(cf, true); err != nil {
+ b.Fatal(err)
+ }
+ b.Run("Net", func(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ if _, err := c.WriteTo(datagram, dst); err != nil {
+ b.Fatal(err)
+ }
+ if _, _, err := c.ReadFrom(bb); err != nil {
+ b.Fatal(err)
+ }
+ }
+ })
+ b.Run("ToFrom", func(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ if _, err := p.WriteTo(datagram, &cm, dst); err != nil {
+ b.Fatal(err)
+ }
+ if _, _, _, err := p.ReadFrom(bb); err != nil {
+ b.Fatal(err)
+ }
+ }
+ })
+ })
+}
+
+func TestPacketConnConcurrentReadWriteUnicast(t *testing.T) {
+ switch runtime.GOOS {
+ case "js", "nacl", "plan9", "windows":
+ t.Skipf("not supported on %s", runtime.GOOS)
+ }
+
+ payload := []byte("HELLO-R-U-THERE")
+ iph := []byte{
+ 0x69, 0x8b, 0xee, 0xf1, 0xca, 0xfe, 0xff, 0x01,
+ 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x02, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
+ }
+ greh := []byte{0x00, 0x00, 0x86, 0xdd, 0x00, 0x00, 0x00, 0x00}
+ datagram := append(greh, append(iph, payload...)...)
+
+ t.Run("UDP", func(t *testing.T) {
+ c, err := nettest.NewLocalPacketListener("udp6")
+ if err != nil {
+ t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
+ }
+ defer c.Close()
+ p := ipv6.NewPacketConn(c)
+ t.Run("ToFrom", func(t *testing.T) {
+ testPacketConnConcurrentReadWriteUnicast(t, p, payload, c.LocalAddr())
+ })
+ })
+ t.Run("IP", func(t *testing.T) {
+ switch runtime.GOOS {
+ case "netbsd":
+ t.Skip("need to configure gre on netbsd")
+ case "openbsd":
+ t.Skip("net.inet.gre.allow=0 by default on openbsd")
+ }
+
+ c, err := net.ListenPacket(fmt.Sprintf("ip6:%d", iana.ProtocolGRE), "::1")
+ if err != nil {
+ t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
+ }
+ defer c.Close()
+ p := ipv6.NewPacketConn(c)
+ t.Run("ToFrom", func(t *testing.T) {
+ testPacketConnConcurrentReadWriteUnicast(t, p, datagram, c.LocalAddr())
+ })
+ })
+}
+
+func testPacketConnConcurrentReadWriteUnicast(t *testing.T, p *ipv6.PacketConn, data []byte, dst net.Addr) {
+ ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
+ cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
+
+ if err := p.SetControlMessage(cf, true); err != nil { // probe before test
+ if nettest.ProtocolNotSupported(err) {
+ t.Skipf("not supported on %s", runtime.GOOS)
+ }
+ t.Fatal(err)
+ }
+
+ var wg sync.WaitGroup
+ reader := func() {
+ defer wg.Done()
+ b := make([]byte, 128)
+ n, cm, _, err := p.ReadFrom(b)
+ if err != nil {
+ t.Error(err)
+ return
+ }
+ if !bytes.Equal(b[:n], data) {
+ t.Errorf("got %#v; want %#v", b[:n], data)
+ return
+ }
+ s := cm.String()
+ if strings.Contains(s, ",") {
+ t.Errorf("should be space-separated values: %s", s)
+ return
+ }
+ }
+ writer := func(toggle bool) {
+ defer wg.Done()
+ cm := ipv6.ControlMessage{
+ TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
+ HopLimit: 1,
+ Src: net.IPv6loopback,
+ }
+ if ifi != nil {
+ cm.IfIndex = ifi.Index
+ }
+ if err := p.SetControlMessage(cf, toggle); err != nil {
+ t.Error(err)
+ return
+ }
+ n, err := p.WriteTo(data, &cm, dst)
+ if err != nil {
+ t.Error(err)
+ return
+ }
+ if n != len(data) {
+ t.Errorf("got %d; want %d", n, len(data))
+ return
+ }
+ }
+
+ const N = 10
+ wg.Add(N)
+ for i := 0; i < N; i++ {
+ go reader()
+ }
+ wg.Add(2 * N)
+ for i := 0; i < 2*N; i++ {
+ go writer(i%2 != 0)
+
+ }
+ wg.Add(N)
+ for i := 0; i < N; i++ {
+ go reader()
+ }
+ wg.Wait()
+}