mirror of
https://github.com/dutchcoders/transfer.sh.git
synced 2024-12-25 03:40:19 +01:00
508 lines
12 KiB
Go
508 lines
12 KiB
Go
// 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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"bytes"
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"fmt"
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"net"
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"runtime"
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"strings"
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"sync"
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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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func BenchmarkReadWriteUnicast(b *testing.B) {
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switch runtime.GOOS {
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case "aix", "fuchsia", "hurd", "js", "nacl", "plan9", "windows":
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b.Skipf("not supported on %s", runtime.GOOS)
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}
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c, err := nettest.NewLocalPacketListener("udp6")
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if err != nil {
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b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
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}
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defer c.Close()
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dst := c.LocalAddr()
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wb, rb := []byte("HELLO-R-U-THERE"), make([]byte, 128)
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b.Run("NetUDP", func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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if _, err := c.WriteTo(wb, dst); err != nil {
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b.Fatal(err)
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}
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if _, _, err := c.ReadFrom(rb); err != nil {
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b.Fatal(err)
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}
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}
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})
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b.Run("IPv6UDP", func(b *testing.B) {
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p := ipv6.NewPacketConn(c)
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cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
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if err := p.SetControlMessage(cf, true); err != nil {
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b.Fatal(err)
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}
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cm := ipv6.ControlMessage{
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TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
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HopLimit: 1,
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}
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ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
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if ifi != nil {
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cm.IfIndex = ifi.Index
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}
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for i := 0; i < b.N; i++ {
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if _, err := p.WriteTo(wb, &cm, dst); err != nil {
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b.Fatal(err)
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}
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if _, _, _, err := p.ReadFrom(rb); err != nil {
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b.Fatal(err)
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}
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}
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})
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}
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func BenchmarkPacketConnReadWriteUnicast(b *testing.B) {
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switch runtime.GOOS {
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case "aix", "fuchsia", "hurd", "js", "nacl", "plan9", "windows":
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b.Skipf("not supported on %s", runtime.GOOS)
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}
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payload := []byte("HELLO-R-U-THERE")
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iph := []byte{
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0x69, 0x8b, 0xee, 0xf1, 0xca, 0xfe, 0xff, 0x01,
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0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
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0x20, 0x01, 0x0d, 0xb8, 0x00, 0x02, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
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}
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greh := []byte{0x00, 0x00, 0x86, 0xdd, 0x00, 0x00, 0x00, 0x00}
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datagram := append(greh, append(iph, payload...)...)
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bb := make([]byte, 128)
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cm := ipv6.ControlMessage{
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TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
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HopLimit: 1,
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Src: net.IPv6loopback,
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}
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if ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback); ifi != nil {
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cm.IfIndex = ifi.Index
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}
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b.Run("UDP", func(b *testing.B) {
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c, err := nettest.NewLocalPacketListener("udp6")
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if err != nil {
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b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
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}
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defer c.Close()
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p := ipv6.NewPacketConn(c)
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dst := c.LocalAddr()
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cf := ipv6.FlagHopLimit | ipv6.FlagInterface
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if err := p.SetControlMessage(cf, true); err != nil {
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b.Fatal(err)
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}
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wms := []ipv6.Message{
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{
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Buffers: [][]byte{payload},
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Addr: dst,
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OOB: cm.Marshal(),
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},
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}
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rms := []ipv6.Message{
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{
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Buffers: [][]byte{bb},
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OOB: ipv6.NewControlMessage(cf),
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},
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}
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b.Run("Net", func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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if _, err := c.WriteTo(payload, dst); err != nil {
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b.Fatal(err)
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}
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if _, _, err := c.ReadFrom(bb); err != nil {
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b.Fatal(err)
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}
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}
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})
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b.Run("ToFrom", func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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if _, err := p.WriteTo(payload, &cm, dst); err != nil {
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b.Fatal(err)
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}
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if _, _, _, err := p.ReadFrom(bb); err != nil {
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b.Fatal(err)
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}
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}
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})
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b.Run("Batch", func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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if _, err := p.WriteBatch(wms, 0); err != nil {
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b.Fatal(err)
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}
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if _, err := p.ReadBatch(rms, 0); err != nil {
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b.Fatal(err)
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}
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}
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})
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})
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b.Run("IP", func(b *testing.B) {
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switch runtime.GOOS {
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case "netbsd":
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b.Skip("need to configure gre on netbsd")
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case "openbsd":
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b.Skip("net.inet.gre.allow=0 by default on openbsd")
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}
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c, err := net.ListenPacket(fmt.Sprintf("ip6:%d", iana.ProtocolGRE), "::1")
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if err != nil {
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b.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
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}
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defer c.Close()
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p := ipv6.NewPacketConn(c)
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dst := c.LocalAddr()
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cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
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if err := p.SetControlMessage(cf, true); err != nil {
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b.Fatal(err)
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}
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wms := []ipv6.Message{
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{
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Buffers: [][]byte{datagram},
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Addr: dst,
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OOB: cm.Marshal(),
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},
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}
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rms := []ipv6.Message{
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{
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Buffers: [][]byte{bb},
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OOB: ipv6.NewControlMessage(cf),
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},
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}
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b.Run("Net", func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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if _, err := c.WriteTo(datagram, dst); err != nil {
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b.Fatal(err)
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}
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if _, _, err := c.ReadFrom(bb); err != nil {
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b.Fatal(err)
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}
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}
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})
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b.Run("ToFrom", func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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if _, err := p.WriteTo(datagram, &cm, dst); err != nil {
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b.Fatal(err)
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}
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if _, _, _, err := p.ReadFrom(bb); err != nil {
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b.Fatal(err)
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}
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}
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})
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b.Run("Batch", func(b *testing.B) {
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for i := 0; i < b.N; i++ {
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if _, err := p.WriteBatch(wms, 0); err != nil {
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b.Fatal(err)
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}
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if _, err := p.ReadBatch(rms, 0); err != nil {
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b.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 TestPacketConnConcurrentReadWriteUnicastUDP(t *testing.T) {
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switch runtime.GOOS {
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case "aix", "fuchsia", "hurd", "js", "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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c, err := nettest.NewLocalPacketListener("udp6")
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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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defer p.Close()
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dst := c.LocalAddr()
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ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
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cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
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wb := []byte("HELLO-R-U-THERE")
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if err := p.SetControlMessage(cf, true); err != nil { // probe before test
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if nettest.ProtocolNotSupported(err) {
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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t.Fatal(err)
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}
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var wg sync.WaitGroup
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reader := func() {
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defer wg.Done()
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rb := make([]byte, 128)
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if n, cm, _, err := p.ReadFrom(rb); err != nil {
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t.Error(err)
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return
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} else if !bytes.Equal(rb[:n], wb) {
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t.Errorf("got %v; want %v", rb[:n], wb)
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return
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} else {
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s := cm.String()
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if strings.Contains(s, ",") {
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t.Errorf("should be space-separated values: %s", s)
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}
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}
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}
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writer := func(toggle bool) {
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defer wg.Done()
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cm := ipv6.ControlMessage{
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TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
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Src: net.IPv6loopback,
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}
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if ifi != nil {
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cm.IfIndex = ifi.Index
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}
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if err := p.SetControlMessage(cf, toggle); err != nil {
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t.Error(err)
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return
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}
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if n, err := p.WriteTo(wb, &cm, dst); err != nil {
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t.Error(err)
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return
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} else if n != len(wb) {
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t.Errorf("got %d; want %d", n, len(wb))
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return
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}
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}
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const N = 10
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wg.Add(N)
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for i := 0; i < N; i++ {
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go reader()
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}
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wg.Add(2 * N)
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for i := 0; i < 2*N; i++ {
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go writer(i%2 != 0)
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}
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wg.Add(N)
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for i := 0; i < N; i++ {
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go reader()
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}
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wg.Wait()
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}
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func TestPacketConnConcurrentReadWriteUnicast(t *testing.T) {
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switch runtime.GOOS {
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case "aix", "fuchsia", "hurd", "js", "nacl", "plan9", "windows":
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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payload := []byte("HELLO-R-U-THERE")
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iph := []byte{
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0x69, 0x8b, 0xee, 0xf1, 0xca, 0xfe, 0xff, 0x01,
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0x20, 0x01, 0x0d, 0xb8, 0x00, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
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0x20, 0x01, 0x0d, 0xb8, 0x00, 0x02, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
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}
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greh := []byte{0x00, 0x00, 0x86, 0xdd, 0x00, 0x00, 0x00, 0x00}
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datagram := append(greh, append(iph, payload...)...)
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t.Run("UDP", func(t *testing.T) {
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c, err := nettest.NewLocalPacketListener("udp6")
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if err != nil {
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t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
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}
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defer c.Close()
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p := ipv6.NewPacketConn(c)
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t.Run("ToFrom", func(t *testing.T) {
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testPacketConnConcurrentReadWriteUnicast(t, p, payload, c.LocalAddr(), false)
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})
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t.Run("Batch", func(t *testing.T) {
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testPacketConnConcurrentReadWriteUnicast(t, p, payload, c.LocalAddr(), true)
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})
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})
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t.Run("IP", func(t *testing.T) {
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switch runtime.GOOS {
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case "netbsd":
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t.Skip("need to configure gre on netbsd")
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case "openbsd":
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t.Skip("net.inet.gre.allow=0 by default on openbsd")
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}
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c, err := net.ListenPacket(fmt.Sprintf("ip6:%d", iana.ProtocolGRE), "::1")
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if err != nil {
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t.Skipf("not supported on %s/%s: %v", runtime.GOOS, runtime.GOARCH, err)
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}
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defer c.Close()
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p := ipv6.NewPacketConn(c)
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t.Run("ToFrom", func(t *testing.T) {
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testPacketConnConcurrentReadWriteUnicast(t, p, datagram, c.LocalAddr(), false)
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})
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t.Run("Batch", func(t *testing.T) {
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testPacketConnConcurrentReadWriteUnicast(t, p, datagram, c.LocalAddr(), true)
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})
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})
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}
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func testPacketConnConcurrentReadWriteUnicast(t *testing.T, p *ipv6.PacketConn, data []byte, dst net.Addr, batch bool) {
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t.Helper()
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ifi := nettest.RoutedInterface("ip6", net.FlagUp|net.FlagLoopback)
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cf := ipv6.FlagTrafficClass | ipv6.FlagHopLimit | ipv6.FlagSrc | ipv6.FlagDst | ipv6.FlagInterface | ipv6.FlagPathMTU
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if err := p.SetControlMessage(cf, true); err != nil { // probe before test
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if nettest.ProtocolNotSupported(err) {
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t.Skipf("not supported on %s", runtime.GOOS)
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}
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t.Fatal(err)
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}
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var wg sync.WaitGroup
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reader := func() {
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defer wg.Done()
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b := make([]byte, 128)
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n, cm, _, err := p.ReadFrom(b)
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if err != nil {
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t.Error(err)
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return
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}
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if !bytes.Equal(b[:n], data) {
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t.Errorf("got %#v; want %#v", b[:n], data)
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return
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}
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s := cm.String()
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if strings.Contains(s, ",") {
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t.Errorf("should be space-separated values: %s", s)
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return
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}
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}
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batchReader := func() {
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defer wg.Done()
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ms := []ipv6.Message{
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{
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Buffers: [][]byte{make([]byte, 128)},
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OOB: ipv6.NewControlMessage(cf),
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},
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}
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n, err := p.ReadBatch(ms, 0)
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if err != nil {
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t.Error(err)
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return
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}
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if n != len(ms) {
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t.Errorf("got %d; want %d", n, len(ms))
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return
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}
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var cm ipv6.ControlMessage
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if err := cm.Parse(ms[0].OOB[:ms[0].NN]); err != nil {
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t.Error(err)
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return
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}
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b := ms[0].Buffers[0][:ms[0].N]
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if !bytes.Equal(b, data) {
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t.Errorf("got %#v; want %#v", b, data)
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return
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}
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s := cm.String()
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if strings.Contains(s, ",") {
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t.Errorf("should be space-separated values: %s", s)
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return
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}
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}
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writer := func(toggle bool) {
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defer wg.Done()
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cm := ipv6.ControlMessage{
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TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
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HopLimit: 1,
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Src: net.IPv6loopback,
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}
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if ifi != nil {
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cm.IfIndex = ifi.Index
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}
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if err := p.SetControlMessage(cf, toggle); err != nil {
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t.Error(err)
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return
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}
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n, err := p.WriteTo(data, &cm, dst)
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if err != nil {
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t.Error(err)
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return
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}
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if n != len(data) {
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t.Errorf("got %d; want %d", n, len(data))
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return
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}
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}
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batchWriter := func(toggle bool) {
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defer wg.Done()
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cm := ipv6.ControlMessage{
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TrafficClass: iana.DiffServAF11 | iana.CongestionExperienced,
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HopLimit: 1,
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Src: net.IPv6loopback,
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}
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if ifi != nil {
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cm.IfIndex = ifi.Index
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}
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if err := p.SetControlMessage(cf, toggle); err != nil {
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t.Error(err)
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return
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}
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ms := []ipv6.Message{
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{
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Buffers: [][]byte{data},
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OOB: cm.Marshal(),
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Addr: dst,
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},
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}
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n, err := p.WriteBatch(ms, 0)
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if err != nil {
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t.Error(err)
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return
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}
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if n != len(ms) {
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t.Errorf("got %d; want %d", n, len(ms))
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return
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}
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if ms[0].N != len(data) {
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t.Errorf("got %d; want %d", ms[0].N, len(data))
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return
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}
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}
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const N = 10
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wg.Add(N)
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for i := 0; i < N; i++ {
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if batch {
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go batchReader()
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} else {
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go reader()
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}
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|
}
|
|
wg.Add(2 * N)
|
|
for i := 0; i < 2*N; i++ {
|
|
if batch {
|
|
go batchWriter(i%2 != 0)
|
|
} else {
|
|
go writer(i%2 != 0)
|
|
}
|
|
}
|
|
wg.Add(N)
|
|
for i := 0; i < N; i++ {
|
|
if batch {
|
|
go batchReader()
|
|
} else {
|
|
go reader()
|
|
}
|
|
}
|
|
wg.Wait()
|
|
}
|