mirror of https://github.com/Dreamacro/clash.git
665 lines
12 KiB
Go
665 lines
12 KiB
Go
package main
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import (
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"context"
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"crypto/md5"
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"crypto/rand"
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"errors"
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"fmt"
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"io"
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"net"
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"os"
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"path/filepath"
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"runtime"
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"sync"
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"testing"
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"time"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/client"
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"github.com/docker/go-connections/nat"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/Dreamacro/clash/adapter/outbound"
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C "github.com/Dreamacro/clash/constant"
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"github.com/Dreamacro/clash/hub/executor"
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"github.com/Dreamacro/clash/transport/socks5"
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)
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const (
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ImageShadowsocks = "mritd/shadowsocks:latest"
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ImageShadowsocksRust = "ghcr.io/shadowsocks/ssserver-rust:latest"
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ImageVmess = "v2fly/v2fly-core:latest"
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ImageTrojan = "trojangfw/trojan:latest"
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ImageTrojanGo = "p4gefau1t/trojan-go:latest"
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ImageSnell = "ghcr.io/icpz/snell-server:latest"
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ImageXray = "teddysun/xray:latest"
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)
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var (
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waitTime = time.Second
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localIP = net.ParseIP("127.0.0.1")
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defaultExposedPorts = nat.PortSet{
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"10002/tcp": struct{}{},
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"10002/udp": struct{}{},
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}
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defaultPortBindings = nat.PortMap{
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"10002/tcp": []nat.PortBinding{
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{HostPort: "10002", HostIP: "0.0.0.0"},
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},
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"10002/udp": []nat.PortBinding{
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{HostPort: "10002", HostIP: "0.0.0.0"},
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},
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}
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isDarwin = runtime.GOOS == "darwin"
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)
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func init() {
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currentDir, err := os.Getwd()
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if err != nil {
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panic(err)
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}
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homeDir := filepath.Join(currentDir, "config")
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C.SetHomeDir(homeDir)
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if isDarwin {
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localIP, err = defaultRouteIP()
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if err != nil {
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panic(err)
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}
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}
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c, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
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if err != nil {
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panic(err)
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}
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defer c.Close()
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list, err := c.ImageList(context.Background(), types.ImageListOptions{All: true})
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if err != nil {
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panic(err)
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}
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imageExist := func(image string) bool {
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for _, item := range list {
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for _, tag := range item.RepoTags {
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if image == tag {
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return true
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}
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}
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}
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return false
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}
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images := []string{
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ImageShadowsocks,
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ImageShadowsocksRust,
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ImageVmess,
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ImageTrojan,
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ImageTrojanGo,
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ImageSnell,
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ImageXray,
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}
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for _, image := range images {
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if imageExist(image) {
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continue
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}
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println("pulling image:", image)
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imageStream, err := c.ImagePull(context.Background(), image, types.ImagePullOptions{})
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if err != nil {
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panic(err)
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}
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io.Copy(io.Discard, imageStream)
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}
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}
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var clean = `
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port: 0
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socks-port: 0
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mixed-port: 0
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redir-port: 0
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tproxy-port: 0
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dns:
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enable: false
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`
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func cleanup() {
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parseAndApply(clean)
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}
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func parseAndApply(cfgStr string) error {
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cfg, err := executor.ParseWithBytes([]byte(cfgStr))
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if err != nil {
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return err
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}
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executor.ApplyConfig(cfg, true)
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return nil
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}
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func newPingPongPair() (chan []byte, chan []byte, func(t *testing.T) error) {
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pingCh := make(chan []byte)
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pongCh := make(chan []byte)
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test := func(t *testing.T) error {
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defer close(pingCh)
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defer close(pongCh)
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pingOpen := false
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pongOpen := false
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var recv []byte
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for {
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if pingOpen && pongOpen {
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break
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}
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select {
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case recv, pingOpen = <-pingCh:
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assert.True(t, pingOpen)
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assert.Equal(t, []byte("ping"), recv)
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case recv, pongOpen = <-pongCh:
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assert.True(t, pongOpen)
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assert.Equal(t, []byte("pong"), recv)
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case <-time.After(10 * time.Second):
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return errors.New("timeout")
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}
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}
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return nil
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}
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return pingCh, pongCh, test
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}
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func newLargeDataPair() (chan hashPair, chan hashPair, func(t *testing.T) error) {
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pingCh := make(chan hashPair)
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pongCh := make(chan hashPair)
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test := func(t *testing.T) error {
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defer close(pingCh)
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defer close(pongCh)
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pingOpen := false
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pongOpen := false
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var serverPair hashPair
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var clientPair hashPair
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for {
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if pingOpen && pongOpen {
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break
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}
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select {
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case serverPair, pingOpen = <-pingCh:
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assert.True(t, pingOpen)
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case clientPair, pongOpen = <-pongCh:
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assert.True(t, pongOpen)
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case <-time.After(10 * time.Second):
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return errors.New("timeout")
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}
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}
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assert.Equal(t, serverPair.recvHash, clientPair.sendHash)
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assert.Equal(t, serverPair.sendHash, clientPair.recvHash)
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return nil
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}
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return pingCh, pongCh, test
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}
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func testPingPongWithSocksPort(t *testing.T, port int) {
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pingCh, pongCh, test := newPingPongPair()
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go func() {
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l, err := Listen("tcp", ":10001")
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require.NoError(t, err)
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defer l.Close()
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c, err := l.Accept()
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require.NoError(t, err)
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buf := make([]byte, 4)
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_, err = io.ReadFull(c, buf)
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require.NoError(t, err)
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pingCh <- buf
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_, err = c.Write([]byte("pong"))
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require.NoError(t, err)
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}()
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go func() {
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c, err := net.Dial("tcp", fmt.Sprintf("127.0.0.1:%d", port))
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require.NoError(t, err)
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defer c.Close()
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_, err = socks5.ClientHandshake(c, socks5.ParseAddr("127.0.0.1:10001"), socks5.CmdConnect, nil)
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require.NoError(t, err)
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_, err = c.Write([]byte("ping"))
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require.NoError(t, err)
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buf := make([]byte, 4)
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_, err = io.ReadFull(c, buf)
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require.NoError(t, err)
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pongCh <- buf
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}()
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test(t)
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}
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func testPingPongWithConn(t *testing.T, c net.Conn) error {
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l, err := Listen("tcp", ":10001")
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if err != nil {
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return err
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}
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defer l.Close()
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pingCh, pongCh, test := newPingPongPair()
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go func() {
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c, err := l.Accept()
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if err != nil {
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return
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}
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buf := make([]byte, 4)
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if _, err := io.ReadFull(c, buf); err != nil {
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return
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}
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pingCh <- buf
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if _, err := c.Write([]byte("pong")); err != nil {
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return
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}
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}()
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go func() {
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if _, err := c.Write([]byte("ping")); err != nil {
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return
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}
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buf := make([]byte, 4)
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if _, err := io.ReadFull(c, buf); err != nil {
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return
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}
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pongCh <- buf
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}()
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return test(t)
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}
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func testPingPongWithPacketConn(t *testing.T, pc net.PacketConn) error {
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l, err := ListenPacket("udp", ":10001")
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require.NoError(t, err)
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defer l.Close()
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rAddr := &net.UDPAddr{IP: localIP, Port: 10001}
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pingCh, pongCh, test := newPingPongPair()
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go func() {
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buf := make([]byte, 1024)
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n, rAddr, err := l.ReadFrom(buf)
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if err != nil {
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return
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}
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pingCh <- buf[:n]
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if _, err := l.WriteTo([]byte("pong"), rAddr); err != nil {
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return
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}
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}()
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go func() {
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if _, err := pc.WriteTo([]byte("ping"), rAddr); err != nil {
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return
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}
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buf := make([]byte, 1024)
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n, _, err := pc.ReadFrom(buf)
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if err != nil {
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return
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}
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pongCh <- buf[:n]
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}()
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return test(t)
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}
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type hashPair struct {
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sendHash map[int][]byte
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recvHash map[int][]byte
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}
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func testLargeDataWithConn(t *testing.T, c net.Conn) error {
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l, err := Listen("tcp", ":10001")
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require.NoError(t, err)
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defer l.Close()
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times := 100
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chunkSize := int64(64 * 1024)
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pingCh, pongCh, test := newLargeDataPair()
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writeRandData := func(conn net.Conn) (map[int][]byte, error) {
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buf := make([]byte, chunkSize)
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hashMap := map[int][]byte{}
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for i := 0; i < times; i++ {
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if _, err := rand.Read(buf[1:]); err != nil {
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return nil, err
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}
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buf[0] = byte(i)
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hash := md5.Sum(buf)
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hashMap[i] = hash[:]
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if _, err := conn.Write(buf); err != nil {
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return nil, err
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}
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}
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return hashMap, nil
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}
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go func() {
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c, err := l.Accept()
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if err != nil {
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return
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}
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defer c.Close()
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hashMap := map[int][]byte{}
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buf := make([]byte, chunkSize)
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for i := 0; i < times; i++ {
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_, err := io.ReadFull(c, buf)
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if err != nil {
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t.Log(err.Error())
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return
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}
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hash := md5.Sum(buf)
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hashMap[int(buf[0])] = hash[:]
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}
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sendHash, err := writeRandData(c)
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if err != nil {
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t.Log(err.Error())
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return
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}
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pingCh <- hashPair{
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sendHash: sendHash,
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recvHash: hashMap,
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}
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}()
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go func() {
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sendHash, err := writeRandData(c)
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if err != nil {
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t.Log(err.Error())
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return
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}
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hashMap := map[int][]byte{}
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buf := make([]byte, chunkSize)
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for i := 0; i < times; i++ {
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_, err := io.ReadFull(c, buf)
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if err != nil {
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t.Log(err.Error())
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return
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}
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hash := md5.Sum(buf)
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hashMap[int(buf[0])] = hash[:]
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}
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pongCh <- hashPair{
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sendHash: sendHash,
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recvHash: hashMap,
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}
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}()
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return test(t)
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}
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func testLargeDataWithPacketConn(t *testing.T, pc net.PacketConn) error {
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l, err := ListenPacket("udp", ":10001")
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require.NoError(t, err)
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defer l.Close()
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rAddr := &net.UDPAddr{IP: localIP, Port: 10001}
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times := 50
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chunkSize := int64(1024)
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pingCh, pongCh, test := newLargeDataPair()
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writeRandData := func(pc net.PacketConn, addr net.Addr) (map[int][]byte, error) {
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hashMap := map[int][]byte{}
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mux := sync.Mutex{}
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for i := 0; i < times; i++ {
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go func(idx int) {
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buf := make([]byte, chunkSize)
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if _, err := rand.Read(buf[1:]); err != nil {
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t.Log(err.Error())
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return
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}
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buf[0] = byte(idx)
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hash := md5.Sum(buf)
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mux.Lock()
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hashMap[idx] = hash[:]
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mux.Unlock()
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if _, err := pc.WriteTo(buf, addr); err != nil {
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t.Log(err.Error())
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return
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}
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}(i)
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}
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return hashMap, nil
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}
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go func() {
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var rAddr net.Addr
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hashMap := map[int][]byte{}
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buf := make([]byte, 64*1024)
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for i := 0; i < times; i++ {
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_, rAddr, err = l.ReadFrom(buf)
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if err != nil {
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t.Log(err.Error())
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return
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}
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hash := md5.Sum(buf[:chunkSize])
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hashMap[int(buf[0])] = hash[:]
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}
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sendHash, err := writeRandData(l, rAddr)
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if err != nil {
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t.Log(err.Error())
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return
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}
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pingCh <- hashPair{
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sendHash: sendHash,
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recvHash: hashMap,
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}
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}()
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go func() {
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sendHash, err := writeRandData(pc, rAddr)
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if err != nil {
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t.Log(err.Error())
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return
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}
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hashMap := map[int][]byte{}
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buf := make([]byte, 64*1024)
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for i := 0; i < times; i++ {
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_, _, err := pc.ReadFrom(buf)
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if err != nil {
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t.Log(err.Error())
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return
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}
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hash := md5.Sum(buf[:chunkSize])
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hashMap[int(buf[0])] = hash[:]
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}
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pongCh <- hashPair{
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sendHash: sendHash,
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recvHash: hashMap,
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}
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}()
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return test(t)
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}
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func testPacketConnTimeout(t *testing.T, pc net.PacketConn) error {
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err := pc.SetReadDeadline(time.Now().Add(time.Millisecond * 300))
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require.NoError(t, err)
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errCh := make(chan error, 1)
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go func() {
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buf := make([]byte, 1024)
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_, _, err := pc.ReadFrom(buf)
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errCh <- err
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}()
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select {
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case <-errCh:
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return nil
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case <-time.After(time.Second * 10):
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return errors.New("timeout")
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}
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}
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func testSuit(t *testing.T, proxy C.ProxyAdapter) {
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conn, err := proxy.DialContext(context.Background(), &C.Metadata{
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Host: localIP.String(),
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DstPort: "10001",
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})
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require.NoError(t, err)
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defer conn.Close()
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assert.NoError(t, testPingPongWithConn(t, conn))
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conn, err = proxy.DialContext(context.Background(), &C.Metadata{
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Host: localIP.String(),
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DstPort: "10001",
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})
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require.NoError(t, err)
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defer conn.Close()
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assert.NoError(t, testLargeDataWithConn(t, conn))
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if !proxy.SupportUDP() {
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return
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}
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pc, err := proxy.ListenPacketContext(context.Background(), &C.Metadata{
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NetWork: C.UDP,
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DstIP: localIP,
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DstPort: "10001",
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})
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require.NoError(t, err)
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defer pc.Close()
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assert.NoError(t, testPingPongWithPacketConn(t, pc))
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pc, err = proxy.ListenPacketContext(context.Background(), &C.Metadata{
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NetWork: C.UDP,
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DstIP: localIP,
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DstPort: "10001",
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})
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require.NoError(t, err)
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defer pc.Close()
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assert.NoError(t, testLargeDataWithPacketConn(t, pc))
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pc, err = proxy.ListenPacketContext(context.Background(), &C.Metadata{
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NetWork: C.UDP,
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DstIP: localIP,
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DstPort: "10001",
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})
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require.NoError(t, err)
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defer pc.Close()
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assert.NoError(t, testPacketConnTimeout(t, pc))
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}
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|
func benchmarkProxy(b *testing.B, proxy C.ProxyAdapter) {
|
|
l, err := Listen("tcp", ":10001")
|
|
require.NoError(b, err)
|
|
defer l.Close()
|
|
|
|
chunkSize := int64(16 * 1024)
|
|
chunk := make([]byte, chunkSize)
|
|
rand.Read(chunk)
|
|
|
|
go func() {
|
|
c, err := l.Accept()
|
|
if err != nil {
|
|
return
|
|
}
|
|
defer c.Close()
|
|
|
|
go func() {
|
|
for {
|
|
_, err := c.Write(chunk)
|
|
if err != nil {
|
|
return
|
|
}
|
|
}
|
|
}()
|
|
io.Copy(io.Discard, c)
|
|
}()
|
|
|
|
conn, err := proxy.DialContext(context.Background(), &C.Metadata{
|
|
Host: localIP.String(),
|
|
DstPort: "10001",
|
|
})
|
|
require.NoError(b, err)
|
|
|
|
_, err = conn.Write([]byte("skip protocol handshake"))
|
|
require.NoError(b, err)
|
|
|
|
b.Run("Write", func(b *testing.B) {
|
|
b.SetBytes(chunkSize)
|
|
for i := 0; i < b.N; i++ {
|
|
conn.Write(chunk)
|
|
}
|
|
})
|
|
|
|
b.Run("Read", func(b *testing.B) {
|
|
b.SetBytes(chunkSize)
|
|
buf := make([]byte, chunkSize)
|
|
for i := 0; i < b.N; i++ {
|
|
io.ReadFull(conn, buf)
|
|
}
|
|
})
|
|
}
|
|
|
|
func TestClash_Basic(t *testing.T) {
|
|
basic := `
|
|
mixed-port: 10000
|
|
log-level: silent
|
|
`
|
|
|
|
err := parseAndApply(basic)
|
|
require.NoError(t, err)
|
|
defer cleanup()
|
|
|
|
require.True(t, TCPing(net.JoinHostPort("127.0.0.1", "10000")))
|
|
testPingPongWithSocksPort(t, 10000)
|
|
}
|
|
|
|
func Benchmark_Direct(b *testing.B) {
|
|
proxy := outbound.NewDirect()
|
|
benchmarkProxy(b, proxy)
|
|
}
|