Files
WireGold/upper/services/tunnel/tunnel_test.go
2025-03-12 22:20:02 +09:00

484 lines
11 KiB
Go

package tunnel
import (
"bytes"
"crypto/rand"
"encoding/hex"
"fmt"
"io"
"runtime"
"strings"
"testing"
"time"
curve "github.com/fumiama/go-x25519"
"github.com/sirupsen/logrus"
"github.com/fumiama/WireGold/gold/link"
"github.com/fumiama/WireGold/internal/bin"
)
func TestTunnelUDP(t *testing.T) {
testTunnelNetwork(t, "udp", 4096)
}
func TestTunnelUDPSmallMTU(t *testing.T) {
testTunnelNetwork(t, "udp", 1024)
}
func TestTunnelUDPLite(t *testing.T) {
if runtime.GOOS == "darwin" {
return
}
testTunnelNetwork(t, "udplite", 4096)
}
func TestTunnelUDPLiteSmallMTU(t *testing.T) {
if runtime.GOOS == "darwin" {
return
}
testTunnelNetwork(t, "udplite", 1024)
}
func TestTunnelTCP(t *testing.T) {
testTunnelNetwork(t, "tcp", 4096)
}
func TestTunnelTCPSmallMTU(t *testing.T) {
testTunnelNetwork(t, "tcp", 1024)
}
func TestTunnelIP(t *testing.T) {
testTunnelNetwork(t, "ip", 4096)
}
func TestTunnelIPSmallMTU(t *testing.T) {
testTunnelNetwork(t, "ip", 1024)
}
func BenchmarkTunnelUDP(b *testing.B) {
benchmarkTunnelNetwork(b, "udp", 4096)
}
func BenchmarkTunnelUDPSmallMTU(b *testing.B) {
benchmarkTunnelNetwork(b, "udp", 1024)
}
func BenchmarkTunnelUDPLite(b *testing.B) {
if runtime.GOOS == "darwin" {
return
}
benchmarkTunnelNetwork(b, "udplite", 4096)
}
func BenchmarkTunnelUDPLiteSmallMTU(b *testing.B) {
if runtime.GOOS == "darwin" {
return
}
benchmarkTunnelNetwork(b, "udplite", 1024)
}
func BenchmarkTunnelTCP(b *testing.B) {
benchmarkTunnelNetwork(b, "tcp", 4096)
}
func BenchmarkTunnelTCPSmallMTU(b *testing.B) {
benchmarkTunnelNetwork(b, "tcp", 1024)
}
func BenchmarkTunnelIP(b *testing.B) {
benchmarkTunnelNetwork(b, "ip", 4096)
}
func BenchmarkTunnelIPSmallMTU(b *testing.B) {
benchmarkTunnelNetwork(b, "ip", 1024)
}
func testTunnel(t *testing.T, nw string, isplain, isbase14 bool, pshk *[32]byte, mtu uint16) {
fmt.Println("start", nw, "testing")
selfpk, err := curve.New(nil)
if err != nil {
panic(err)
}
peerpk, err := curve.New(nil)
if err != nil {
panic(err)
}
t.Log("my priv key:", hex.EncodeToString(selfpk.Private()[:]))
t.Log("my publ key:", hex.EncodeToString(selfpk.Public()[:]))
t.Log("peer priv key:", hex.EncodeToString(peerpk.Private()[:]))
t.Log("peer publ key:", hex.EncodeToString(peerpk.Public()[:]))
epm := "127.0.0.1"
if nw != "ip" {
epm += ":0"
}
// under macos you need to run
//
// sudo ifconfig lo0 alias 127.0.0.2
epp := "127.0.0.2"
if nw != "ip" {
epp += ":0"
}
m := link.NewMe(&link.MyConfig{
MyIPwithMask: "192.168.1.2/32",
MyEndpoint: epm,
Network: nw,
PrivateKey: selfpk.Private(),
SrcPort: 1,
DstPort: 1,
MTU: mtu,
Base14: isbase14,
})
defer m.Close()
p := link.NewMe(&link.MyConfig{
MyIPwithMask: "192.168.1.3/32",
MyEndpoint: epp,
Network: nw,
PrivateKey: peerpk.Private(),
SrcPort: 1,
DstPort: 1,
MTU: mtu,
Base14: isbase14,
})
defer p.Close()
ppp := peerpk.Public()
spp := selfpk.Public()
if isplain {
ppp = nil
spp = nil
}
m.AddPeer(&link.PeerConfig{
PeerIP: "192.168.1.3",
EndPoint: p.EndPoint().String(),
AllowedIPs: []string{"192.168.1.3/32"},
PubicKey: ppp,
PresharedKey: pshk,
MTU: mtu,
MTURandomRange: mtu / 2,
UseZstd: true,
DoublePacket: true,
})
p.AddPeer(&link.PeerConfig{
PeerIP: "192.168.1.2",
EndPoint: m.EndPoint().String(),
AllowedIPs: []string{"192.168.1.2/32"},
PubicKey: spp,
PresharedKey: pshk,
MTU: mtu,
MTURandomRange: mtu / 2,
UseZstd: true,
})
tunnme, err := Create(&m, "192.168.1.3")
if err != nil {
t.Fatal(err)
}
tunnme.Start(1, 1, 4096)
tunnpeer, err := Create(&p, "192.168.1.2")
if err != nil {
t.Fatal(err)
}
tunnpeer.Start(1, 1, 4096)
time.Sleep(time.Second) // wait link up
sendb := ([]byte)("1234")
go tunnme.Write(sendb)
buf := make([]byte, 4)
tunnpeer.Read(buf)
if string(sendb) != string(buf) {
logrus.Errorln("error: recv", buf, "expect", sendb)
t.Fail()
}
sendb = make([]byte, 4096)
for i := 0; i < 4096; i++ {
sendb[i] = byte(i)
}
go tunnme.Write(sendb)
buf = make([]byte, 4096)
_, err = io.ReadFull(&tunnpeer, buf)
if err != nil {
t.Fatal(err)
}
if string(sendb) != string(buf) {
t.Fatal("error: recv 4096 bytes data")
}
sendbufs := make(chan []byte, 32)
go func() {
time.Sleep(time.Second)
for i := 0; i < 32; i++ {
sendb := make([]byte, 65535)
for j := 0; j < 65535; j++ {
sendb[j] = byte(i + j)
}
n, _ := tunnme.Write(sendb)
sendbufs <- sendb
logrus.Debugln("loop", i, "write", n, "bytes")
}
close(sendbufs)
}()
buf = make([]byte, 65535)
i := 0
for sendb := range sendbufs {
n, err := io.ReadFull(&tunnpeer, buf)
if err != nil {
t.Fatal(err)
}
logrus.Debugln("loop", i, "read", n, "bytes")
if string(sendb) != string(buf) {
t.Fatal("loop", i, "error: recv 65535 bytes data")
}
i++
}
for i := 0; i < 4096; i++ {
sendb[i] = ^byte(i)
}
tunnme.Write(sendb)
rd := bytes.NewBuffer(nil)
tm := time.AfterFunc(time.Second*2, func() {
tunnme.Stop()
tunnpeer.Stop()
})
defer tm.Stop()
_, err = io.CopyBuffer(rd, &tunnpeer, make([]byte, 200))
if err != nil {
t.Fatal(err)
}
if string(sendb) != rd.String() {
t.Fatal("error: recv fragmented 4096 bytes data")
}
}
func benchmarkTunnel(b *testing.B, sz int, nw string, isplain, isbase14 bool, pshk *[32]byte, mtu uint16) {
selfpk, err := curve.New(nil)
if err != nil {
panic(err)
}
peerpk, err := curve.New(nil)
if err != nil {
panic(err)
}
epm := "127.0.0.1"
if nw != "ip" {
epm += ":0"
}
// under macos you need to run
//
// sudo ifconfig lo0 alias 127.0.0.2
epp := "127.0.0.2"
if nw != "ip" {
epp += ":0"
}
m := link.NewMe(&link.MyConfig{
MyIPwithMask: "192.168.1.2/32",
MyEndpoint: epm,
Network: nw,
PrivateKey: selfpk.Private(),
SrcPort: 1,
DstPort: 1,
MTU: mtu,
Base14: isbase14,
})
defer m.Close()
p := link.NewMe(&link.MyConfig{
MyIPwithMask: "192.168.1.3/32",
MyEndpoint: epp,
Network: nw,
PrivateKey: peerpk.Private(),
SrcPort: 1,
DstPort: 1,
MTU: mtu,
Base14: isbase14,
})
defer p.Close()
ppp := peerpk.Public()
spp := selfpk.Public()
if isplain {
ppp = nil
spp = nil
}
m.AddPeer(&link.PeerConfig{
PeerIP: "192.168.1.3",
EndPoint: p.EndPoint().String(),
AllowedIPs: []string{"192.168.1.3/32"},
PubicKey: ppp,
PresharedKey: pshk,
MTU: mtu,
MTURandomRange: mtu / 2,
UseZstd: true,
DoublePacket: true,
})
p.AddPeer(&link.PeerConfig{
PeerIP: "192.168.1.2",
EndPoint: m.EndPoint().String(),
AllowedIPs: []string{"192.168.1.2/32"},
PubicKey: spp,
PresharedKey: pshk,
MTU: mtu,
MTURandomRange: mtu / 2,
UseZstd: true,
})
tunnme, err := Create(&m, "192.168.1.3")
if err != nil {
b.Fatal(err)
}
tunnme.Start(1, 1, 4096)
tunnpeer, err := Create(&p, "192.168.1.2")
if err != nil {
b.Fatal(err)
}
tunnpeer.Start(1, 1, 4096)
time.Sleep(time.Second) // wait link up
b.SetBytes(int64(sz))
b.ResetTimer()
sendb := make([]byte, sz)
for i := 0; i < b.N; i++ {
rand.Read(sendb)
go tunnme.Write(sendb)
buf := make([]byte, sz)
_, err = io.ReadFull(&tunnpeer, buf)
if err != nil {
b.Fatal(err)
}
}
b.StopTimer()
time.Sleep(time.Second) // wait packets all received
tunnme.Stop()
tunnpeer.Stop()
}
func testTunnelNetwork(t *testing.T, nw string, mtu uint16) {
logrus.SetLevel(logrus.DebugLevel)
logrus.SetFormatter(&logFormat{enableColor: false})
// test without base14
testTunnel(t, nw, true, false, nil, mtu) // test plain text
testTunnel(t, nw, false, false, nil, mtu) // test normal
// test with base14
testTunnel(t, nw, true, true, nil, mtu) // test plain text
testTunnel(t, nw, false, true, nil, mtu) // test normal
var buf [32]byte
_, err := rand.Read(buf[:])
if err != nil {
panic(err)
}
// test without base14
testTunnel(t, nw, false, false, &buf, mtu) // test preshared
// test with base14
testTunnel(t, nw, false, true, &buf, mtu) // test preshared
}
func benchmarkTunnelNetwork(b *testing.B, nw string, mtu uint16) {
logrus.SetLevel(logrus.ErrorLevel)
logrus.SetFormatter(&logFormat{enableColor: false})
for i := 1; i <= 4; i++ {
sz := 1024 * i
b.Run(fmt.Sprintf("%d-plain-nob14", sz), func(b *testing.B) {
benchmarkTunnel(b, sz, nw, true, false, nil, mtu) // test plain text
})
b.Run(fmt.Sprintf("%d-normal-nob14", sz), func(b *testing.B) {
benchmarkTunnel(b, sz, nw, false, false, nil, mtu) // test normal
})
b.Run(fmt.Sprintf("%d-plain-b14", sz), func(b *testing.B) {
benchmarkTunnel(b, sz, nw, true, true, nil, mtu) // test plain text
})
b.Run(fmt.Sprintf("%d-normal-b14", sz), func(b *testing.B) {
benchmarkTunnel(b, sz, nw, false, true, nil, mtu) // test normal
})
var buf [32]byte
_, err := rand.Read(buf[:])
if err != nil {
panic(err)
}
b.Run(fmt.Sprintf("%d-preshared-nob14", sz), func(b *testing.B) {
benchmarkTunnel(b, sz, nw, false, false, &buf, mtu) // test preshared
})
b.Run(fmt.Sprintf("%d-preshared-b14", sz), func(b *testing.B) {
benchmarkTunnel(b, sz, nw, false, true, &buf, mtu) // test preshared
})
}
}
// logFormat specialize for go-cqhttp
type logFormat struct {
enableColor bool
}
// Format implements logrus.Formatter
func (f logFormat) Format(entry *logrus.Entry) ([]byte, error) {
// this writer will not be put back
buf := bin.SelectWriter()
buf.WriteByte('[')
if f.enableColor {
buf.WriteString(getLogLevelColorCode(entry.Level))
}
buf.WriteString(strings.ToUpper(entry.Level.String()))
if f.enableColor {
buf.WriteString(colorReset)
}
buf.WriteString("] ")
buf.WriteString(entry.Message)
buf.WriteString("\n")
return buf.ToBytes().Trans(), nil
}
const (
colorCodePanic = "\x1b[1;31m" // color.Style{color.Bold, color.Red}.String()
colorCodeFatal = "\x1b[1;31m" // color.Style{color.Bold, color.Red}.String()
colorCodeError = "\x1b[31m" // color.Style{color.Red}.String()
colorCodeWarn = "\x1b[33m" // color.Style{color.Yellow}.String()
colorCodeInfo = "\x1b[37m" // color.Style{color.White}.String()
colorCodeDebug = "\x1b[32m" // color.Style{color.Green}.String()
colorCodeTrace = "\x1b[36m" // color.Style{color.Cyan}.String()
colorReset = "\x1b[0m"
)
// getLogLevelColorCode 获取日志等级对应色彩code
func getLogLevelColorCode(level logrus.Level) string {
switch level {
case logrus.PanicLevel:
return colorCodePanic
case logrus.FatalLevel:
return colorCodeFatal
case logrus.ErrorLevel:
return colorCodeError
case logrus.WarnLevel:
return colorCodeWarn
case logrus.InfoLevel:
return colorCodeInfo
case logrus.DebugLevel:
return colorCodeDebug
case logrus.TraceLevel:
return colorCodeTrace
default:
return colorCodeInfo
}
}