add config

pkg/chain/chain.go

@@ -1,6 +1,7 @@
 package chain
 
 type Chain struct {
+	Name   string
 	groups []*NodeGroup
 }
 

pkg/components/connector/connector.go

@@ -7,5 +7,6 @@ import (
 
 // Connector is responsible for connecting to the destination address.
 type Connector interface {
+	Init(Metadata) error
 	Connect(ctx context.Context, conn net.Conn, network, address string, opts ...ConnectOption) (net.Conn, error)
 }

pkg/components/connector/http/connector.go

@@ -12,18 +12,19 @@ import (
 
 	"github.com/go-gost/gost/pkg/components/connector"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 )
 
-var (
-	_ connector.Connector = (*Connector)(nil)
-)
+func init() {
+	registry.RegiserConnector("http", NewConnector)
+}
 
 type Connector struct {
 	md     metadata
 	logger logger.Logger
 }
 
-func NewConnector(opts ...connector.Option) *Connector {
+func NewConnector(opts ...connector.Option) connector.Connector {
 	options := &connector.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/connector/ss/connector.go

@@ -6,18 +6,19 @@ import (
 
 	"github.com/go-gost/gost/pkg/components/connector"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 )
 
-var (
-	_ connector.Connector = (*Connector)(nil)
-)
+func init() {
+	registry.RegiserConnector("ss", NewConnector)
+}
 
 type Connector struct {
 	md     metadata
 	logger logger.Logger
 }
 
-func NewConnector(opts ...connector.Option) *Connector {
+func NewConnector(opts ...connector.Option) connector.Connector {
 	options := &connector.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/dialer/dialer.go

@@ -7,6 +7,7 @@ import (
 
 // Transporter is responsible for dialing to the proxy server.
 type Dialer interface {
+	Init(Metadata) error
 	Dial(ctx context.Context, addr string, opts ...DialOption) (net.Conn, error)
 }
 

pkg/components/dialer/tcp/dialer.go

@@ -6,18 +6,19 @@ import (
 
 	"github.com/go-gost/gost/pkg/components/dialer"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 )
 
-var (
-	_ dialer.Dialer = (*Dialer)(nil)
-)
+func init() {
+	registry.RegisterDialer("tcp", NewDialer)
+}
 
 type Dialer struct {
 	md     metadata
 	logger logger.Logger
 }
 
-func NewDialer(opts ...dialer.Option) *Dialer {
+func NewDialer(opts ...dialer.Option) dialer.Dialer {
 	options := &dialer.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/handler/handler.go

@@ -6,5 +6,6 @@ import (
 )
 
 type Handler interface {
+	Init(Metadata) error
 	Handle(context.Context, net.Conn)
 }

pkg/components/handler/http/handler.go

@@ -9,11 +9,12 @@ import (
 	"github.com/go-gost/gost/pkg/chain"
 	"github.com/go-gost/gost/pkg/components/handler"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 )
 
-var (
-	_ handler.Handler = (*Handler)(nil)
-)
+func init() {
+	registry.RegisterHandler("http", NewHandler)
+}
 
 type Handler struct {
 	chain  *chain.Chain
@@ -21,7 +22,7 @@ type Handler struct {
 	md     metadata
 }
 
-func NewHandler(opts ...handler.Option) *Handler {
+func NewHandler(opts ...handler.Option) handler.Handler {
 	options := &handler.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/handler/http/middleware.go

@@ -0,0 +1 @@
+package http

pkg/components/handler/ss/handler.go

@@ -9,20 +9,21 @@ import (
 	"github.com/go-gost/gosocks5"
 	"github.com/go-gost/gost/pkg/components/handler"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 	"github.com/shadowsocks/go-shadowsocks2/core"
 	ss "github.com/shadowsocks/shadowsocks-go/shadowsocks"
 )
 
-var (
-	_ handler.Handler = (*Handler)(nil)
-)
+func init() {
+	registry.RegisterHandler("ss", NewHandler)
+}
 
 type Handler struct {
 	logger logger.Logger
 	md     metadata
 }
 
-func NewHandler(opts ...handler.Option) *Handler {
+func NewHandler(opts ...handler.Option) handler.Handler {
 	options := &handler.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/handler/ssu/handler.go

@@ -7,20 +7,21 @@ import (
 
 	"github.com/go-gost/gost/pkg/components/handler"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 	"github.com/shadowsocks/go-shadowsocks2/core"
 	ss "github.com/shadowsocks/shadowsocks-go/shadowsocks"
 )
 
-var (
-	_ handler.Handler = (*Handler)(nil)
-)
+func init() {
+	registry.RegisterHandler("ssu", NewHandler)
+}
 
 type Handler struct {
 	logger logger.Logger
 	md     metadata
 }
 
-func NewHandler(opts ...handler.Option) *Handler {
+func NewHandler(opts ...handler.Option) handler.Handler {
 	options := &handler.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/ftcp/listener.go

@@ -8,12 +8,13 @@ import (
 
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 	"github.com/xtaci/tcpraw"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("ftcp", NewListener)
+}
 
 type Listener struct {
 	md       metadata
@@ -24,7 +25,7 @@ type Listener struct {
 	logger   logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/http2/h2/listener.go

@@ -10,12 +10,13 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 	"golang.org/x/net/http2"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("h2", NewListener)
+}
 
 type Listener struct {
 	net.Listener
@@ -26,7 +27,7 @@ type Listener struct {
 	logger   logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/http2/listener.go

@@ -9,12 +9,13 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 	"golang.org/x/net/http2"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("http2", NewListener)
+}
 
 type Listener struct {
 	md       metadata
@@ -25,7 +26,7 @@ type Listener struct {
 	logger   logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/kcp/listener.go

@@ -8,14 +8,15 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 	"github.com/xtaci/kcp-go/v5"
 	"github.com/xtaci/smux"
 	"github.com/xtaci/tcpraw"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("kcp", NewListener)
+}
 
 type Listener struct {
 	md       metadata
@@ -25,7 +26,7 @@ type Listener struct {
 	logger   logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/listener.go

@@ -11,6 +11,7 @@ var (
 
 // Listener is a server listener, just like a net.Listener.
 type Listener interface {
+	Init(Metadata) error
 	net.Listener
 }
 

pkg/components/listener/obfs/http/listener.go

@@ -9,11 +9,12 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("obfs-http", NewListener)
+}
 
 type Listener struct {
 	md metadata
@@ -21,7 +22,7 @@ type Listener struct {
 	logger logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/obfs/tls/listener.go

@@ -9,11 +9,12 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("obfs-tls", NewListener)
+}
 
 type Listener struct {
 	md metadata
@@ -21,7 +22,7 @@ type Listener struct {
 	logger logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/option.go

@@ -5,11 +5,18 @@ import (
 )
 
 type Options struct {
+	Addr   string
 	Logger logger.Logger
 }
 
 type Option func(opts *Options)
 
+func AddrOption(addr string) Option {
+	return func(opts *Options) {
+		opts.Addr = addr
+	}
+}
+
 func LoggerOption(logger logger.Logger) Option {
 	return func(opts *Options) {
 		opts.Logger = logger

pkg/components/listener/quic/listener.go

@@ -8,12 +8,13 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 	"github.com/lucas-clemente/quic-go"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("quic", NewListener)
+}
 
 type Listener struct {
 	md       metadata
@@ -23,7 +24,7 @@ type Listener struct {
 	logger   logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/tcp/listener.go

@@ -1,7 +1,6 @@
 package tcp
 
 import (
-	"errors"
 	"net"
 	"strconv"
 	"time"
@@ -9,24 +8,27 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("tcp", NewListener)
+}
 
 type Listener struct {
-	md metadata
+	addr string
+	md   metadata
 	net.Listener
 	logger logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)
 	}
 	return &Listener{
+		addr:   options.Addr,
 		logger: options.Logger,
 	}
 }
@@ -37,7 +39,7 @@ func (l *Listener) Init(md listener.Metadata) (err error) {
 		return
 	}
 
-	laddr, err := net.ResolveTCPAddr("tcp", l.md.addr)
+	laddr, err := net.ResolveTCPAddr("tcp", l.addr)
 	if err != nil {
 		return
 	}
@@ -59,13 +61,6 @@ func (l *Listener) Init(md listener.Metadata) (err error) {
 }
 
 func (l *Listener) parseMetadata(md listener.Metadata) (m metadata, err error) {
-	if val, ok := md[addr]; ok {
-		m.addr = val
-	} else {
-		err = errors.New("missing address")
-		return
-	}
-
 	m.keepAlive = true
 	if val, ok := md[keepAlive]; ok {
 		m.keepAlive, _ = strconv.ParseBool(val)

pkg/components/listener/tcp/metadata.go

@@ -3,7 +3,6 @@ package tcp
 import "time"
 
 const (
-	addr            = "addr"
 	keepAlive       = "keepAlive"
 	keepAlivePeriod = "keepAlivePeriod"
 )
@@ -13,7 +12,6 @@ const (
 )
 
 type metadata struct {
-	addr            string
 	keepAlive       bool
 	keepAlivePeriod time.Duration
 }

pkg/components/listener/tls/listener.go

@@ -9,11 +9,12 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("tls", NewListener)
+}
 
 type Listener struct {
 	md metadata
@@ -21,7 +22,7 @@ type Listener struct {
 	logger logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/tls/mux/listener.go

@@ -8,12 +8,13 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 	"github.com/xtaci/smux"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("mtls", NewListener)
+}
 
 type Listener struct {
 	md metadata
@@ -23,7 +24,7 @@ type Listener struct {
 	logger   logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/udp/listener.go

@@ -8,11 +8,12 @@ import (
 
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("udp", NewListener)
+}
 
 type Listener struct {
 	md       metadata
@@ -23,7 +24,7 @@ type Listener struct {
 	logger   logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/ws/listener.go

@@ -9,12 +9,14 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 	"github.com/gorilla/websocket"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("ws", NewListener)
+	registry.RegisterListener("wss", NewListener)
+}
 
 type Listener struct {
 	md       metadata
@@ -26,7 +28,7 @@ type Listener struct {
 	logger   logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/components/listener/ws/mux/listener.go

@@ -9,13 +9,15 @@ import (
 	"github.com/go-gost/gost/pkg/components/internal/utils"
 	"github.com/go-gost/gost/pkg/components/listener"
 	"github.com/go-gost/gost/pkg/logger"
+	"github.com/go-gost/gost/pkg/registry"
 	"github.com/gorilla/websocket"
 	"github.com/xtaci/smux"
 )
 
-var (
-	_ listener.Listener = (*Listener)(nil)
-)
+func init() {
+	registry.RegisterListener("mws", NewListener)
+	registry.RegisterListener("mwss", NewListener)
+}
 
 type Listener struct {
 	md       metadata
@@ -27,7 +29,7 @@ type Listener struct {
 	logger   logger.Logger
 }
 
-func NewListener(opts ...listener.Option) *Listener {
+func NewListener(opts ...listener.Option) listener.Listener {
 	options := &listener.Options{}
 	for _, opt := range opts {
 		opt(options)

pkg/config/config.go

@@ -0,0 +1,106 @@
+package config
+
+import (
+	"io"
+
+	"github.com/spf13/viper"
+)
+
+var (
+	v = viper.GetViper()
+)
+
+func init() {
+	v.SetConfigName("gost")
+	v.AddConfigPath("/etc/gost/")
+	v.AddConfigPath("$HOME/.gost/")
+	v.AddConfigPath(".")
+}
+
+type LogConfig struct {
+	Level  string
+	Format string
+}
+
+type LoadbalancingConfig struct {
+	Strategy string
+	Filters  []string
+}
+
+type ListenerConfig struct {
+	Type     string
+	Metadata map[string]string
+}
+
+type HandlerConfig struct {
+	Type     string
+	Metadata map[string]string
+}
+
+type DialerConfig struct {
+	Type     string
+	Metadata map[string]string
+}
+
+type ConnectorConfig struct {
+	Type     string
+	Metadata map[string]string
+}
+
+type ServiceConfig struct {
+	URL      string
+	Addr     string
+	Listener *ListenerConfig
+	Handler  *HandlerConfig
+	Chain    string
+}
+
+type ChainConfig struct {
+	Name string
+	LB   *LoadbalancingConfig
+	Hops []HopConfig
+}
+
+type HopConfig struct {
+	Name  string
+	LB    *LoadbalancingConfig
+	Nodes []NodeConfig
+}
+
+type NodeConfig struct {
+	Name      string
+	URL       string
+	Addr      string
+	Dialer    *DialerConfig
+	Connector *ConnectorConfig
+}
+
+type Config struct {
+	Log      *LogConfig
+	Services []ServiceConfig
+	Chains   []ChainConfig
+}
+
+func (c *Config) Load() error {
+	if err := v.ReadInConfig(); err != nil {
+		return err
+	}
+
+	return v.Unmarshal(c)
+}
+
+func (c *Config) Read(r io.Reader) error {
+	if err := v.ReadConfig(r); err != nil {
+		return err
+	}
+
+	return v.Unmarshal(c)
+}
+
+func (c *Config) ReadFile(file string) error {
+	v.SetConfigFile(file)
+	if err := v.ReadInConfig(); err != nil {
+		return err
+	}
+	return v.Unmarshal(c)
+}

pkg/logger/gost_logger.go

@@ -29,7 +29,7 @@ func newLogger(name string) *logger {
 
 // EnableJSONOutput enables JSON formatted output log.
 func (l *logger) EnableJSONOutput(enabled bool) {
-
+	l.logger.Logger.SetFormatter(&logrus.JSONFormatter{})
 }
 
 // SetOutputLevel sets log output level
@@ -45,44 +45,44 @@ func (l *logger) WithFields(fields map[string]interface{}) Logger {
 	}
 }
 
-// Info logs a message at level Info.
-func (l *logger) Info(args ...interface{}) {
-	l.logger.Log(logrus.InfoLevel, args...)
-}
-
-// Infof logs a message at level Info.
-func (l *logger) Infof(format string, args ...interface{}) {
-	l.logger.Logf(logrus.InfoLevel, format, args...)
-}
-
 // Debug logs a message at level Debug.
 func (l *logger) Debug(args ...interface{}) {
-	l.logger.Log(logrus.DebugLevel, args...)
+	l.logger.Debug(args...)
 }
 
 // Debugf logs a message at level Debug.
 func (l *logger) Debugf(format string, args ...interface{}) {
-	l.logger.Logf(logrus.DebugLevel, format, args...)
+	l.logger.Debugf(format, args...)
+}
+
+// Info logs a message at level Info.
+func (l *logger) Info(args ...interface{}) {
+	l.logger.Info(args...)
+}
+
+// Infof logs a message at level Info.
+func (l *logger) Infof(format string, args ...interface{}) {
+	l.logger.Infof(format, args...)
 }
 
 // Warn logs a message at level Warn.
 func (l *logger) Warn(args ...interface{}) {
-	l.logger.Log(logrus.WarnLevel, args...)
+	l.logger.Warn(args...)
 }
 
 // Warnf logs a message at level Warn.
 func (l *logger) Warnf(format string, args ...interface{}) {
-	l.logger.Logf(logrus.WarnLevel, format, args...)
+	l.logger.Warnf(format, args...)
 }
 
 // Error logs a message at level Error.
 func (l *logger) Error(args ...interface{}) {
-	l.logger.Log(logrus.ErrorLevel, args...)
+	l.logger.Error(args...)
 }
 
 // Errorf logs a message at level Error.
 func (l *logger) Errorf(format string, args ...interface{}) {
-	l.logger.Logf(logrus.ErrorLevel, format, args...)
+	l.logger.Errorf(format, args...)
 }
 
 // Fatal logs a message at level Fatal then the process will exit with status set to 1.

pkg/registry/registry.go

@@ -0,0 +1,52 @@
+package registry
+
+import (
+	"github.com/go-gost/gost/pkg/components/connector"
+	"github.com/go-gost/gost/pkg/components/dialer"
+	"github.com/go-gost/gost/pkg/components/handler"
+	"github.com/go-gost/gost/pkg/components/listener"
+)
+
+type NewListener func(opts ...listener.Option) listener.Listener
+type NewHandler func(opts ...handler.Option) handler.Handler
+type NewDialer func(opts ...dialer.Option) dialer.Dialer
+type NewConnector func(opts ...connector.Option) connector.Connector
+
+var (
+	listeners  = make(map[string]NewListener)
+	handlers   = make(map[string]NewHandler)
+	dialers    = make(map[string]NewDialer)
+	connectors = make(map[string]NewConnector)
+)
+
+func RegisterListener(name string, newf NewListener) {
+	listeners[name] = newf
+}
+
+func GetListener(name string) NewListener {
+	return listeners[name]
+}
+
+func RegisterHandler(name string, newf NewHandler) {
+	handlers[name] = newf
+}
+
+func GetHandler(name string) NewHandler {
+	return handlers[name]
+}
+
+func RegisterDialer(name string, newf NewDialer) {
+	dialers[name] = newf
+}
+
+func GetDialer(name string) NewDialer {
+	return dialers[name]
+}
+
+func RegiserConnector(name string, newf NewConnector) {
+	connectors[name] = newf
+}
+
+func GetConnector(name string) NewConnector {
+	return connectors[name]
+}