mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-10-13 22:44:02 -04:00
170 lines
3.7 KiB
Go
170 lines
3.7 KiB
Go
package commands
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import (
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"io/ioutil"
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"log"
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"os"
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"os/signal"
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"path"
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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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"github.com/v2fly/v2ray-core/v4"
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"github.com/v2fly/v2ray-core/v4/commands/base"
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"github.com/v2fly/v2ray-core/v4/common/cmdarg"
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"github.com/v2fly/v2ray-core/v4/common/platform"
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)
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// CmdRun runs V2Ray with config
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var CmdRun = &base.Command{
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CustomFlags: true,
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UsageLine: "{{.Exec}} run [-c config.json] [-confdir dir]",
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Short: "Run V2Ray with config",
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Long: `
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Run V2Ray with config.
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Example:
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{{.Exec}} {{.LongName}} -c config.json
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Arguments:
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-c value
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Short alias of -config
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-config value
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Config file for V2Ray. Multiple assign is accepted (only
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json). Latter ones overrides the former ones.
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-confdir string
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A dir with multiple json config
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-format string
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Format of input files. (default "json")
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`,
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}
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func init() {
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CmdRun.Run = executeRun //break init loop
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}
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var (
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configFiles cmdarg.Arg // "Config file for V2Ray.", the option is customed type
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configDir string
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configFormat *string
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)
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func setConfigFlags(cmd *base.Command) {
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configFormat = cmd.Flag.String("format", "", "")
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cmd.Flag.Var(&configFiles, "config", "")
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cmd.Flag.Var(&configFiles, "c", "")
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cmd.Flag.StringVar(&configDir, "confdir", "", "")
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}
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func executeRun(cmd *base.Command, args []string) {
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setConfigFlags(cmd)
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cmd.Flag.Parse(args)
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printVersion()
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server, err := startV2Ray()
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if err != nil {
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base.Fatalf("Failed to start: %s", err)
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}
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if err := server.Start(); err != nil {
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base.Fatalf("Failed to start: %s", err)
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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, syscall.SIGTERM)
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<-osSignals
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}
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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 dirExists(file string) bool {
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if file == "" {
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return false
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}
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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 readConfDir(dirPath string) cmdarg.Arg {
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confs, err := ioutil.ReadDir(dirPath)
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if err != nil {
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log.Fatalln(err)
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}
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files := make(cmdarg.Arg, 0)
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for _, f := range confs {
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if strings.HasSuffix(f.Name(), ".json") {
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files.Set(path.Join(dirPath, f.Name()))
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}
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}
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return files
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}
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func getConfigFilePath() cmdarg.Arg {
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if dirExists(configDir) {
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log.Println("Using confdir from arg:", configDir)
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configFiles = append(configFiles, readConfDir(configDir)...)
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} else if envConfDir := platform.GetConfDirPath(); dirExists(envConfDir) {
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log.Println("Using confdir from env:", envConfDir)
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configFiles = append(configFiles, readConfDir(envConfDir)...)
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}
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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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log.Println("Using default config: ", configFile)
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return cmdarg.Arg{configFile}
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}
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}
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if configFile := platform.GetConfigurationPath(); fileExists(configFile) {
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log.Println("Using config from env: ", configFile)
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return cmdarg.Arg{configFile}
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}
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log.Println("Using config from STDIN")
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return cmdarg.Arg{"stdin:"}
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}
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func getFormatFromAlias() string {
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switch strings.ToLower(*configFormat) {
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case "pb":
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return "protobuf"
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default:
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return *configFormat
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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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config, err := core.LoadConfig(getFormatFromAlias(), configFiles[0], configFiles)
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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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