update config parsing

cmd/gost/config.go

@@ -1,423 +0,0 @@
-package main
-
-import (
-	"encoding/json"
-	"os"
-	"strings"
-
-	"github.com/go-gost/core/auth"
-	"github.com/go-gost/core/logger"
-	"github.com/go-gost/core/service"
-	"github.com/go-gost/x/api"
-	xauth "github.com/go-gost/x/auth"
-	"github.com/go-gost/x/config"
-	"github.com/go-gost/x/config/cmd"
-	admission_parser "github.com/go-gost/x/config/parsing/admission"
-	auth_parser "github.com/go-gost/x/config/parsing/auth"
-	bypass_parser "github.com/go-gost/x/config/parsing/bypass"
-	chain_parser "github.com/go-gost/x/config/parsing/chain"
-	hop_parser "github.com/go-gost/x/config/parsing/hop"
-	hosts_parser "github.com/go-gost/x/config/parsing/hosts"
-	ingress_parser "github.com/go-gost/x/config/parsing/ingress"
-	limiter_parser "github.com/go-gost/x/config/parsing/limiter"
-	logger_parser "github.com/go-gost/x/config/parsing/logger"
-	observer_parser "github.com/go-gost/x/config/parsing/observer"
-	recorder_parser "github.com/go-gost/x/config/parsing/recorder"
-	resolver_parser "github.com/go-gost/x/config/parsing/resolver"
-	router_parser "github.com/go-gost/x/config/parsing/router"
-	sd_parser "github.com/go-gost/x/config/parsing/sd"
-	service_parser "github.com/go-gost/x/config/parsing/service"
-	xmd "github.com/go-gost/x/metadata"
-	mdutil "github.com/go-gost/x/metadata/util"
-	metrics "github.com/go-gost/x/metrics/service"
-	"github.com/go-gost/x/registry"
-)
-
-func parseConfig() (*config.Config, error) {
-	cfg := &config.Config{}
-	if cfgFile != "" {
-		cfgFile = strings.TrimSpace(cfgFile)
-		if strings.HasPrefix(cfgFile, "{") && strings.HasSuffix(cfgFile, "}") {
-			if err := json.Unmarshal([]byte(cfgFile), cfg); err != nil {
-				return nil, err
-			}
-		} else {
-			if err := cfg.ReadFile(cfgFile); err != nil {
-				return nil, err
-			}
-		}
-	}
-
-	cmdCfg, err := cmd.BuildConfigFromCmd(services, nodes)
-	if err != nil {
-		return nil, err
-	}
-	cfg = mergeConfig(cfg, cmdCfg)
-
-	if len(cfg.Services) == 0 && apiAddr == "" && cfg.API == nil {
-		if err := cfg.Load(); err != nil {
-			return nil, err
-		}
-	}
-
-	if v := os.Getenv("GOST_LOGGER_LEVEL"); v != "" {
-		cfg.Log = &config.LogConfig{
-			Level: v,
-		}
-	}
-	if v := os.Getenv("GOST_API"); v != "" {
-		cfg.API = &config.APIConfig{
-			Addr: v,
-		}
-	}
-	if v := os.Getenv("GOST_METRICS"); v != "" {
-		cfg.Metrics = &config.MetricsConfig{
-			Addr: v,
-		}
-	}
-	if v := os.Getenv("GOST_PROFILING"); v != "" {
-		cfg.Profiling = &config.ProfilingConfig{
-			Addr: v,
-		}
-	}
-
-	if debug || trace {
-		if cfg.Log == nil {
-			cfg.Log = &config.LogConfig{}
-		}
-
-		cfg.Log.Level = string(logger.DebugLevel)
-		if trace {
-			cfg.Log.Level = string(logger.TraceLevel)
-		}
-	}
-
-	if apiAddr != "" {
-		cfg.API = &config.APIConfig{
-			Addr: apiAddr,
-		}
-		if url, _ := cmd.Norm(apiAddr); url != nil {
-			cfg.API.Addr = url.Host
-			if url.User != nil {
-				username := url.User.Username()
-				password, _ := url.User.Password()
-				cfg.API.Auth = &config.AuthConfig{
-					Username: username,
-					Password: password,
-				}
-			}
-			m := map[string]any{}
-			for k, v := range url.Query() {
-				if len(v) > 0 {
-					m[k] = v[0]
-				}
-			}
-			md := xmd.NewMetadata(m)
-			cfg.API.PathPrefix = mdutil.GetString(md, "pathPrefix")
-			cfg.API.AccessLog = mdutil.GetBool(md, "accesslog")
-		}
-	}
-	if metricsAddr != "" {
-		cfg.Metrics = &config.MetricsConfig{
-			Addr: metricsAddr,
-		}
-		if url, _ := cmd.Norm(metricsAddr); url != nil {
-			cfg.Metrics.Addr = url.Host
-			if url.User != nil {
-				username := url.User.Username()
-				password, _ := url.User.Password()
-				cfg.Metrics.Auth = &config.AuthConfig{
-					Username: username,
-					Password: password,
-				}
-			}
-			m := map[string]any{}
-			for k, v := range url.Query() {
-				if len(v) > 0 {
-					m[k] = v[0]
-				}
-			}
-			md := xmd.NewMetadata(m)
-			cfg.Metrics.Path = mdutil.GetString(md, "path")
-		}
-	}
-
-	return cfg, nil
-}
-
-func mergeConfig(cfg1, cfg2 *config.Config) *config.Config {
-	if cfg1 == nil {
-		return cfg2
-	}
-	if cfg2 == nil {
-		return cfg1
-	}
-
-	cfg := &config.Config{
-		Services:   append(cfg1.Services, cfg2.Services...),
-		Chains:     append(cfg1.Chains, cfg2.Chains...),
-		Hops:       append(cfg1.Hops, cfg2.Hops...),
-		Authers:    append(cfg1.Authers, cfg2.Authers...),
-		Admissions: append(cfg1.Admissions, cfg2.Admissions...),
-		Bypasses:   append(cfg1.Bypasses, cfg2.Bypasses...),
-		Resolvers:  append(cfg1.Resolvers, cfg2.Resolvers...),
-		Hosts:      append(cfg1.Hosts, cfg2.Hosts...),
-		Ingresses:  append(cfg1.Ingresses, cfg2.Ingresses...),
-		SDs:        append(cfg1.SDs, cfg2.SDs...),
-		Recorders:  append(cfg1.Recorders, cfg2.Recorders...),
-		Limiters:   append(cfg1.Limiters, cfg2.Limiters...),
-		CLimiters:  append(cfg1.CLimiters, cfg2.CLimiters...),
-		RLimiters:  append(cfg1.RLimiters, cfg2.RLimiters...),
-		Loggers:    append(cfg1.Loggers, cfg2.Loggers...),
-		Routers:    append(cfg1.Routers, cfg2.Routers...),
-		Observers:  append(cfg1.Observers, cfg2.Observers...),
-		TLS:        cfg1.TLS,
-		Log:        cfg1.Log,
-		API:        cfg1.API,
-		Metrics:    cfg1.Metrics,
-		Profiling:  cfg1.Profiling,
-	}
-	if cfg2.TLS != nil {
-		cfg.TLS = cfg2.TLS
-	}
-	if cfg2.Log != nil {
-		cfg.Log = cfg2.Log
-	}
-	if cfg2.API != nil {
-		cfg.API = cfg2.API
-	}
-	if cfg2.Metrics != nil {
-		cfg.Metrics = cfg2.Metrics
-	}
-	if cfg2.Profiling != nil {
-		cfg.Profiling = cfg2.Profiling
-	}
-
-	return cfg
-}
-
-func register(cfg *config.Config) error {
-	if cfg == nil {
-		return nil
-	}
-
-	for name := range registry.LoggerRegistry().GetAll() {
-		registry.LoggerRegistry().Unregister(name)
-	}
-	for _, loggerCfg := range cfg.Loggers {
-		if err := registry.LoggerRegistry().Register(loggerCfg.Name, logger_parser.ParseLogger(loggerCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.AutherRegistry().GetAll() {
-		registry.AutherRegistry().Unregister(name)
-	}
-	for _, autherCfg := range cfg.Authers {
-		if err := registry.AutherRegistry().Register(autherCfg.Name, auth_parser.ParseAuther(autherCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.AdmissionRegistry().GetAll() {
-		registry.AdmissionRegistry().Unregister(name)
-	}
-	for _, admissionCfg := range cfg.Admissions {
-		if err := registry.AdmissionRegistry().Register(admissionCfg.Name, admission_parser.ParseAdmission(admissionCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.BypassRegistry().GetAll() {
-		registry.BypassRegistry().Unregister(name)
-	}
-	for _, bypassCfg := range cfg.Bypasses {
-		if err := registry.BypassRegistry().Register(bypassCfg.Name, bypass_parser.ParseBypass(bypassCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.ResolverRegistry().GetAll() {
-		registry.ResolverRegistry().Unregister(name)
-	}
-	for _, resolverCfg := range cfg.Resolvers {
-		r, err := resolver_parser.ParseResolver(resolverCfg)
-		if err != nil {
-			return err
-		}
-		if err := registry.ResolverRegistry().Register(resolverCfg.Name, r); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.HostsRegistry().GetAll() {
-		registry.HostsRegistry().Unregister(name)
-	}
-	for _, hostsCfg := range cfg.Hosts {
-		if err := registry.HostsRegistry().Register(hostsCfg.Name, hosts_parser.ParseHostMapper(hostsCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.IngressRegistry().GetAll() {
-		registry.IngressRegistry().Unregister(name)
-	}
-	for _, ingressCfg := range cfg.Ingresses {
-		if err := registry.IngressRegistry().Register(ingressCfg.Name, ingress_parser.ParseIngress(ingressCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.RouterRegistry().GetAll() {
-		registry.RouterRegistry().Unregister(name)
-	}
-	for _, routerCfg := range cfg.Routers {
-		if err := registry.RouterRegistry().Register(routerCfg.Name, router_parser.ParseRouter(routerCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.SDRegistry().GetAll() {
-		registry.SDRegistry().Unregister(name)
-	}
-	for _, sdCfg := range cfg.SDs {
-		if err := registry.SDRegistry().Register(sdCfg.Name, sd_parser.ParseSD(sdCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.ObserverRegistry().GetAll() {
-		registry.ObserverRegistry().Unregister(name)
-	}
-	for _, observerCfg := range cfg.Observers {
-		if err := registry.ObserverRegistry().Register(observerCfg.Name, observer_parser.ParseObserver(observerCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.RecorderRegistry().GetAll() {
-		registry.RecorderRegistry().Unregister(name)
-	}
-	for _, recorderCfg := range cfg.Recorders {
-		if err := registry.RecorderRegistry().Register(recorderCfg.Name, recorder_parser.ParseRecorder(recorderCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.TrafficLimiterRegistry().GetAll() {
-		registry.TrafficLimiterRegistry().Unregister(name)
-	}
-	for _, limiterCfg := range cfg.Limiters {
-		if err := registry.TrafficLimiterRegistry().Register(limiterCfg.Name, limiter_parser.ParseTrafficLimiter(limiterCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.ConnLimiterRegistry().GetAll() {
-		registry.ConnLimiterRegistry().Unregister(name)
-	}
-	for _, limiterCfg := range cfg.CLimiters {
-		if err := registry.ConnLimiterRegistry().Register(limiterCfg.Name, limiter_parser.ParseConnLimiter(limiterCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.RateLimiterRegistry().GetAll() {
-		registry.RateLimiterRegistry().Unregister(name)
-	}
-	for _, limiterCfg := range cfg.RLimiters {
-		if err := registry.RateLimiterRegistry().Register(limiterCfg.Name, limiter_parser.ParseRateLimiter(limiterCfg)); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.HopRegistry().GetAll() {
-		registry.HopRegistry().Unregister(name)
-	}
-	for _, hopCfg := range cfg.Hops {
-		hop, err := hop_parser.ParseHop(hopCfg, logger.Default())
-		if err != nil {
-			return err
-		}
-		if err := registry.HopRegistry().Register(hopCfg.Name, hop); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.ChainRegistry().GetAll() {
-		registry.ChainRegistry().Unregister(name)
-	}
-	for _, chainCfg := range cfg.Chains {
-		c, err := chain_parser.ParseChain(chainCfg, logger.Default())
-		if err != nil {
-			return err
-		}
-		if err := registry.ChainRegistry().Register(chainCfg.Name, c); err != nil {
-			return err
-		}
-	}
-
-	for name := range registry.ServiceRegistry().GetAll() {
-		registry.ServiceRegistry().Unregister(name)
-	}
-	for _, svcCfg := range cfg.Services {
-		svc, err := service_parser.ParseService(svcCfg)
-		if err != nil {
-			return err
-		}
-		if svc != nil {
-			if err := registry.ServiceRegistry().Register(svcCfg.Name, svc); err != nil {
-				return err
-			}
-		}
-	}
-
-	return nil
-}
-
-func buildAPIService(cfg *config.APIConfig) (service.Service, error) {
-	var authers []auth.Authenticator
-	if auther := auth_parser.ParseAutherFromAuth(cfg.Auth); auther != nil {
-		authers = append(authers, auther)
-	}
-	if cfg.Auther != "" {
-		authers = append(authers, registry.AutherRegistry().Get(cfg.Auther))
-	}
-
-	var auther auth.Authenticator
-	if len(authers) > 0 {
-		auther = xauth.AuthenticatorGroup(authers...)
-	}
-
-	network := "tcp"
-	addr := cfg.Addr
-	if strings.HasPrefix(addr, "unix://") {
-		network = "unix"
-		addr = strings.TrimPrefix(addr, "unix://")
-	}
-	return api.NewService(
-		network, addr,
-		api.PathPrefixOption(cfg.PathPrefix),
-		api.AccessLogOption(cfg.AccessLog),
-		api.AutherOption(auther),
-	)
-}
-
-func buildMetricsService(cfg *config.MetricsConfig) (service.Service, error) {
-	auther := auth_parser.ParseAutherFromAuth(cfg.Auth)
-	if cfg.Auther != "" {
-		auther = registry.AutherRegistry().Get(cfg.Auther)
-	}
-
-	network := "tcp"
-	addr := cfg.Addr
-	if strings.HasPrefix(addr, "unix://") {
-		network = "unix"
-		addr = strings.TrimPrefix(addr, "unix://")
-	}
-	return metrics.NewService(
-		network, addr,
-		metrics.PathOption(cfg.Path),
-		metrics.AutherOption(auther),
-	)
-}

cmd/gost/program.go

@@ -6,39 +6,51 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
+	"strings"
 	"syscall"
 
+	"github.com/go-gost/core/auth"
 	"github.com/go-gost/core/logger"
 	"github.com/go-gost/core/service"
+	api_service "github.com/go-gost/x/api/service"
+	xauth "github.com/go-gost/x/auth"
 	"github.com/go-gost/x/config"
-	"github.com/go-gost/x/config/parsing"
-	logger_parser "github.com/go-gost/x/config/parsing/logger"
+	"github.com/go-gost/x/config/loader"
+	auth_parser "github.com/go-gost/x/config/parsing/auth"
+	"github.com/go-gost/x/config/parsing/parser"
 	xmetrics "github.com/go-gost/x/metrics"
+	metrics "github.com/go-gost/x/metrics/service"
 	"github.com/go-gost/x/registry"
 	"github.com/judwhite/go-svc"
 )
 
 type program struct {
 	srvApi       service.Service
-	srvMetric    service.Service
+	srvMetrics   service.Service
 	srvProfiling *http.Server
 
 	cancel context.CancelFunc
 }
 
 func (p *program) Init(env svc.Environment) error {
-	cfg, err := parseConfig()
-	if err != nil {
-		return err
-	}
-
-	config.Set(cfg)
+	parser.Init(parser.Args{
+		CfgFile:     cfgFile,
+		Services:    services,
+		Nodes:       nodes,
+		Debug:       debug,
+		Trace:       trace,
+		ApiAddr:     apiAddr,
+		MetricsAddr: metricsAddr,
+	})
 
 	return nil
 }
 
 func (p *program) Start() error {
-	cfg := config.Global()
+	cfg, err := parser.Parse()
+	if err != nil {
+		return err
+	}
 
 	if outputFormat != "" {
 		if err := cfg.Write(os.Stdout, outputFormat); err != nil {
@@ -47,11 +59,13 @@ func (p *program) Start() error {
 		os.Exit(0)
 	}
 
-	if cfg.Metrics != nil {
-		xmetrics.Init(xmetrics.NewMetrics())
+	config.Set(cfg)
+
+	if err := loader.Load(cfg); err != nil {
+		return err
 	}
 
-	if err := p.build(cfg); err != nil {
+	if err := p.run(cfg); err != nil {
 		return err
 	}
 
@@ -62,78 +76,7 @@ func (p *program) Start() error {
 	return nil
 }
 
-func (p *program) Stop() error {
-	if p.cancel != nil {
-		p.cancel()
-	}
-
-	for name, srv := range registry.ServiceRegistry().GetAll() {
-		srv.Close()
-		logger.Default().Debugf("service %s shutdown", name)
-	}
-	if p.srvApi != nil {
-		p.srvApi.Close()
-	}
-	if p.srvMetric != nil {
-		p.srvMetric.Close()
-	}
-	if p.srvProfiling != nil {
-		p.srvProfiling.Close()
-	}
-	return nil
-}
-
-func (p *program) reload(ctx context.Context) {
-	c := make(chan os.Signal, 1)
-	signal.Notify(c, syscall.SIGHUP)
-
-	for {
-		select {
-		case <-c:
-			if err := p.reloadConfig(); err != nil {
-				logger.Default().Error(err)
-			} else {
-				logger.Default().Info("config reloaded")
-			}
-
-		case <-ctx.Done():
-			return
-		}
-	}
-}
-
-func (p *program) reloadConfig() error {
-	cfg, err := parseConfig()
-	if err != nil {
-		return err
-	}
-
-	config.Set(cfg)
-
-	if err := p.build(cfg); err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func (p *program) build(cfg *config.Config) error {
-	logCfg := cfg.Log
-	if logCfg == nil {
-		logCfg = &config.LogConfig{}
-	}
-	logger.SetDefault(logger_parser.ParseLogger(&config.LoggerConfig{Log: logCfg}))
-
-	tlsCfg, err := parsing.BuildDefaultTLSConfig(cfg.TLS)
-	if err != nil {
-		return err
-	}
-	parsing.SetDefaultTLSConfig(tlsCfg)
-
-	if err := register(cfg); err != nil {
-		return err
-	}
-
+func (p *program) run(cfg *config.Config) error {
 	for _, svc := range registry.ServiceRegistry().GetAll() {
 		svc := svc
 		go func() {
@@ -141,12 +84,12 @@ func (p *program) build(cfg *config.Config) error {
 		}()
 	}
 
+	if p.srvApi != nil {
+		p.srvApi.Close()
+		p.srvApi = nil
+	}
 	if cfg.API != nil {
-		if p.srvApi != nil {
-			p.srvApi.Close()
-		}
-
-		s, err := buildAPIService(cfg.API)
+		s, err := buildApiService(cfg.API)
 		if err != nil {
 			return err
 		}
@@ -165,17 +108,20 @@ func (p *program) build(cfg *config.Config) error {
 		}()
 	}
 
+	xmetrics.Enable(false)
+	if p.srvMetrics != nil {
+		p.srvMetrics.Close()
+		p.srvMetrics = nil
+	}
 	if cfg.Metrics != nil && cfg.Metrics.Addr != "" {
-		if p.srvMetric != nil {
-			p.srvMetric.Close()
-		}
-
 		s, err := buildMetricsService(cfg.Metrics)
 		if err != nil {
 			return err
 		}
 
-		p.srvMetric = s
+		p.srvMetrics = s
+
+		xmetrics.Enable(true)
 
 		go func() {
 			defer s.Close()
@@ -189,11 +135,11 @@ func (p *program) build(cfg *config.Config) error {
 		}()
 	}
 
+	if p.srvProfiling != nil {
+		p.srvProfiling.Close()
+		p.srvProfiling = nil
+	}
 	if cfg.Profiling != nil {
-		if p.srvProfiling != nil {
-			p.srvProfiling.Close()
-		}
-
 		addr := cfg.Profiling.Addr
 		if addr == "" {
 			addr = ":6060"
@@ -217,3 +163,113 @@ func (p *program) build(cfg *config.Config) error {
 
 	return nil
 }
+
+func (p *program) Stop() error {
+	if p.cancel != nil {
+		p.cancel()
+	}
+
+	for name, srv := range registry.ServiceRegistry().GetAll() {
+		srv.Close()
+		logger.Default().Debugf("service %s shutdown", name)
+	}
+
+	if p.srvApi != nil {
+		p.srvApi.Close()
+		logger.Default().Debug("service @api shutdown")
+	}
+	if p.srvMetrics != nil {
+		p.srvMetrics.Close()
+		logger.Default().Debug("service @metrics shutdown")
+	}
+	if p.srvProfiling != nil {
+		p.srvProfiling.Close()
+		logger.Default().Debug("service @profiling shutdown")
+	}
+
+	return nil
+}
+
+func (p *program) reload(ctx context.Context) {
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, syscall.SIGHUP)
+
+	for {
+		select {
+		case <-c:
+			if err := p.reloadConfig(); err != nil {
+				logger.Default().Error(err)
+			} else {
+				logger.Default().Info("config reloaded")
+			}
+
+		case <-ctx.Done():
+			return
+		}
+	}
+}
+
+func (p *program) reloadConfig() error {
+	cfg, err := parser.Parse()
+	if err != nil {
+		return err
+	}
+	config.Set(cfg)
+
+	if err := loader.Load(cfg); err != nil {
+		return err
+	}
+
+	if err := p.run(cfg); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func buildApiService(cfg *config.APIConfig) (service.Service, error) {
+	var authers []auth.Authenticator
+	if auther := auth_parser.ParseAutherFromAuth(cfg.Auth); auther != nil {
+		authers = append(authers, auther)
+	}
+	if cfg.Auther != "" {
+		authers = append(authers, registry.AutherRegistry().Get(cfg.Auther))
+	}
+
+	var auther auth.Authenticator
+	if len(authers) > 0 {
+		auther = xauth.AuthenticatorGroup(authers...)
+	}
+
+	network := "tcp"
+	addr := cfg.Addr
+	if strings.HasPrefix(addr, "unix://") {
+		network = "unix"
+		addr = strings.TrimPrefix(addr, "unix://")
+	}
+	return api_service.NewService(
+		network, addr,
+		api_service.PathPrefixOption(cfg.PathPrefix),
+		api_service.AccessLogOption(cfg.AccessLog),
+		api_service.AutherOption(auther),
+	)
+}
+
+func buildMetricsService(cfg *config.MetricsConfig) (service.Service, error) {
+	auther := auth_parser.ParseAutherFromAuth(cfg.Auth)
+	if cfg.Auther != "" {
+		auther = registry.AutherRegistry().Get(cfg.Auther)
+	}
+
+	network := "tcp"
+	addr := cfg.Addr
+	if strings.HasPrefix(addr, "unix://") {
+		network = "unix"
+		addr = strings.TrimPrefix(addr, "unix://")
+	}
+	return metrics.NewService(
+		network, addr,
+		metrics.PathOption(cfg.Path),
+		metrics.AutherOption(auther),
+	)
+}

cmd/gost/register.go

@@ -46,6 +46,7 @@ import (
 	_ "github.com/go-gost/x/dialer/ws"
 
 	// Register handlers
+	_ "github.com/go-gost/x/handler/api"
 	_ "github.com/go-gost/x/handler/auto"
 	_ "github.com/go-gost/x/handler/dns"
 	_ "github.com/go-gost/x/handler/file"