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134 lines
2.7 KiB
134 lines
2.7 KiB
package main
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//go:generate errorgen
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import (
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"bytes"
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"encoding/json"
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"flag"
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"fmt"
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"os"
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"os/signal"
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"path/filepath"
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"runtime"
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"strings"
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"syscall"
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"v2ray.com/core"
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"v2ray.com/core/common/platform"
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_ "v2ray.com/core/main/distro/all"
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)
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type CmdConfig []string
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func (c *CmdConfig) String() string {
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return strings.Join([]string(*c), ",")
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}
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func (c *CmdConfig) Set(value string) error {
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*c = append(*c, value)
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return nil
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}
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var (
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configFiles CmdConfig // "Config file for V2Ray.", the option is customed type, parse in main
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version = flag.Bool("version", false, "Show current version of V2Ray.")
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test = flag.Bool("test", false, "Test config file only, without launching V2Ray server.")
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format = flag.String("format", "json", "Format of input file.")
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)
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func fileExists(file string) bool {
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info, err := os.Stat(file)
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return err == nil && !info.IsDir()
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}
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func getConfigFilePath() CmdConfig {
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if len(configFiles) > 0 {
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return configFiles
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}
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if workingDir, err := os.Getwd(); err == nil {
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configFile := filepath.Join(workingDir, "config.json")
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if fileExists(configFile) {
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return []string{configFile}
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}
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}
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if configFile := platform.GetConfigurationPath(); fileExists(configFile) {
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return []string{configFile}
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}
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return []string{}
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}
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func GetConfigFormat() string {
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switch strings.ToLower(*format) {
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case "pb", "protobuf":
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return "protobuf"
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default:
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return "json"
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}
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}
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func startV2Ray() (core.Server, error) {
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configFiles := getConfigFilePath()
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fs, _ := json.Marshal(configFiles)
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config, err := core.LoadConfig(GetConfigFormat(), configFiles[0], bytes.NewBuffer(fs))
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if err != nil {
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return nil, newError("failed to read config files: [", configFiles.String(), "]").Base(err)
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}
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server, err := core.New(config)
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if err != nil {
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return nil, newError("failed to create server").Base(err)
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}
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return server, nil
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}
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func printVersion() {
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version := core.VersionStatement()
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for _, s := range version {
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fmt.Println(s)
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}
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}
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func main() {
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flag.Var(&configFiles, "config", "Config file for V2Ray. Multiple assign is accepted (only json). Latter ones overrides the former ones.")
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flag.Parse()
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printVersion()
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if *version {
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return
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}
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server, err := startV2Ray()
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if err != nil {
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fmt.Println(err.Error())
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// Configuration error. Exit with a special value to prevent systemd from restarting.
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os.Exit(23)
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}
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if *test {
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fmt.Println("Configuration OK.")
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os.Exit(0)
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}
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if err := server.Start(); err != nil {
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fmt.Println("Failed to start", err)
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os.Exit(-1)
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}
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defer server.Close()
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// Explicitly triggering GC to remove garbage from config loading.
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runtime.GC()
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{
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osSignals := make(chan os.Signal, 1)
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signal.Notify(osSignals, os.Interrupt, os.Kill, syscall.SIGTERM)
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<-osSignals
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}
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}
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