目录变更

server/base.go

@@ -3,7 +3,7 @@ package server
 import (
 	"errors"
 	"github.com/cnlh/nps/bridge"
-	"github.com/cnlh/nps/utils"
+	"github.com/cnlh/nps/lib"
 	"net"
 	"net/http"
 	"sync"
@@ -13,8 +13,8 @@ import (
 type server struct {
 	id           int
 	bridge       *bridge.Bridge
-	task         *utils.Tunnel
-	config       *utils.Config
+	task         *lib.Tunnel
+	config       *lib.Config
 	errorContent []byte
 	sync.Mutex
 }
@@ -26,7 +26,7 @@ func (s *server) FlowAdd(in, out int64) {
 	s.task.Flow.InletFlow += in
 }
 
-func (s *server) FlowAddHost(host *utils.Host, in, out int64) {
+func (s *server) FlowAddHost(host *lib.Host, in, out int64) {
 	s.Lock()
 	defer s.Unlock()
 	host.Flow.ExportFlow += out
@@ -62,11 +62,11 @@ func (s *server) ResetConfig() bool {
 		}
 	}
 	s.task.Client.Rate = client.Rate
-	s.config.CompressDecode, s.config.CompressEncode = utils.GetCompressType(s.config.Compress)
+	s.config.CompressDecode, s.config.CompressEncode = lib.GetCompressType(s.config.Compress)
 	return true
 }
 
-func (s *server) linkCopy(link *utils.Link, c *utils.Conn, rb []byte, tunnel *utils.Conn, flow *utils.Flow) {
+func (s *server) linkCopy(link *lib.Link, c *lib.Conn, rb []byte, tunnel *lib.Conn, flow *lib.Flow) {
 	if rb != nil {
 		if _, err := tunnel.SendMsg(rb, link); err != nil {
 			c.Close()
@@ -75,31 +75,31 @@ func (s *server) linkCopy(link *utils.Link, c *utils.Conn, rb []byte, tunnel *ut
 		flow.Add(len(rb), 0)
 	}
 	for {
-		buf := utils.BufPoolCopy.Get().([]byte)
+		buf := lib.BufPoolCopy.Get().([]byte)
 		if n, err := c.Read(buf); err != nil {
-			tunnel.SendMsg([]byte(utils.IO_EOF), link)
+			tunnel.SendMsg([]byte(lib.IO_EOF), link)
 			break
 		} else {
 			if _, err := tunnel.SendMsg(buf[:n], link); err != nil {
-				utils.PutBufPoolCopy(buf)
+				lib.PutBufPoolCopy(buf)
 				c.Close()
 				break
 			}
-			utils.PutBufPoolCopy(buf)
+			lib.PutBufPoolCopy(buf)
 			flow.Add(n, 0)
 		}
 	}
 }
 
 func (s *server) writeConnFail(c net.Conn) {
-	c.Write([]byte(utils.ConnectionFailBytes))
+	c.Write([]byte(lib.ConnectionFailBytes))
 	c.Write(s.errorContent)
 }
 
 //权限认证
-func (s *server) auth(r *http.Request, c *utils.Conn, u, p string) error {
-	if u != "" && p != "" && !utils.CheckAuth(r, u, p) {
-		c.Write([]byte(utils.UnauthorizedBytes))
+func (s *server) auth(r *http.Request, c *lib.Conn, u, p string) error {
+	if u != "" && p != "" && !lib.CheckAuth(r, u, p) {
+		c.Write([]byte(lib.UnauthorizedBytes))
 		c.Close()
 		return errors.New("401 Unauthorized")
 	}

server/http.go

@@ -5,7 +5,7 @@ import (
 	"crypto/tls"
 	"github.com/astaxie/beego"
 	"github.com/cnlh/nps/bridge"
-	"github.com/cnlh/nps/utils"
+	"github.com/cnlh/nps/lib"
 	"net"
 	"net/http"
 	"net/http/httputil"
@@ -22,7 +22,7 @@ type httpServer struct {
 	stop      chan bool
 }
 
-func NewHttp(bridge *bridge.Bridge, c *utils.Tunnel) *httpServer {
+func NewHttp(bridge *bridge.Bridge, c *lib.Tunnel) *httpServer {
 	httpPort, _ := beego.AppConfig.Int("httpProxyPort")
 	httpsPort, _ := beego.AppConfig.Int("httpsProxyPort")
 	pemPath := beego.AppConfig.String("pemPath")
@@ -44,39 +44,39 @@ func NewHttp(bridge *bridge.Bridge, c *utils.Tunnel) *httpServer {
 func (s *httpServer) Start() error {
 	var err error
 	var http, https *http.Server
-	if s.errorContent, err = utils.ReadAllFromFile(beego.AppPath + "/web/static/page/error.html"); err != nil {
+	if s.errorContent, err = lib.ReadAllFromFile(beego.AppPath + "/web/static/page/error.html"); err != nil {
 		s.errorContent = []byte("easyProxy 404")
 	}
 
 	if s.httpPort > 0 {
 		if !s.TestTcpPort(s.httpPort) {
-			utils.Fatalln("http端口", s.httpPort, "被占用!")
+			lib.Fatalln("http端口", s.httpPort, "被占用!")
 		}
 		http = s.NewServer(s.httpPort)
 		go func() {
-			utils.Println("启动http监听,端口为", s.httpPort)
+			lib.Println("启动http监听,端口为", s.httpPort)
 			err := http.ListenAndServe()
 			if err != nil {
-				utils.Fatalln(err)
+				lib.Fatalln(err)
 			}
 		}()
 	}
 	if s.httpsPort > 0 {
 		if !s.TestTcpPort(s.httpsPort) {
-			utils.Fatalln("https端口", s.httpsPort, "被占用!")
+			lib.Fatalln("https端口", s.httpsPort, "被占用!")
 		}
-		if !utils.FileExists(s.pemPath) {
-			utils.Fatalf("ssl certFile文件%s不存在", s.pemPath)
+		if !lib.FileExists(s.pemPath) {
+			lib.Fatalf("ssl certFile文件%s不存在", s.pemPath)
 		}
-		if !utils.FileExists(s.keyPath) {
-			utils.Fatalf("ssl keyFile文件%s不存在", s.keyPath)
+		if !lib.FileExists(s.keyPath) {
+			lib.Fatalf("ssl keyFile文件%s不存在", s.keyPath)
 		}
 		https = s.NewServer(s.httpsPort)
 		go func() {
-			utils.Println("启动https监听,端口为", s.httpsPort)
+			lib.Println("启动https监听,端口为", s.httpsPort)
 			err := https.ListenAndServeTLS(s.pemPath, s.keyPath)
 			if err != nil {
-				utils.Fatalln(err)
+				lib.Fatalln(err)
 			}
 		}()
 	}
@@ -108,35 +108,35 @@ func (s *httpServer) handleTunneling(w http.ResponseWriter, r *http.Request) {
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusServiceUnavailable)
 	}
-	s.process(utils.NewConn(conn), r)
+	s.process(lib.NewConn(conn), r)
 }
 
-func (s *httpServer) process(c *utils.Conn, r *http.Request) {
+func (s *httpServer) process(c *lib.Conn, r *http.Request) {
 	//多客户端域名代理
 	var (
 		isConn = true
-		link   *utils.Link
-		host   *utils.Host
-		tunnel *utils.Conn
+		link   *lib.Link
+		host   *lib.Host
+		tunnel *lib.Conn
 		err    error
 	)
 	for {
 		//首次获取conn
 		if isConn {
 			if host, err = GetInfoByHost(r.Host); err != nil {
-				utils.Printf("the host %s is not found !", r.Host)
+				lib.Printf("the host %s is not found !", r.Host)
 				break
 			}
 			//流量限制
 			if host.Client.Flow.FlowLimit > 0 && (host.Client.Flow.FlowLimit<<20) < (host.Client.Flow.ExportFlow+host.Client.Flow.InletFlow) {
 				break
 			}
-			host.Client.Cnf.CompressDecode, host.Client.Cnf.CompressEncode = utils.GetCompressType(host.Client.Cnf.Compress)
+			host.Client.Cnf.CompressDecode, host.Client.Cnf.CompressEncode = lib.GetCompressType(host.Client.Cnf.Compress)
 			//权限控制
 			if err = s.auth(r, c, host.Client.Cnf.U, host.Client.Cnf.P); err != nil {
 				break
 			}
-			link = utils.NewLink(host.Client.GetId(), utils.CONN_TCP, host.GetRandomTarget(), host.Client.Cnf.CompressEncode, host.Client.Cnf.CompressDecode, host.Client.Cnf.Crypt, c, host.Flow, nil, host.Client.Rate, nil)
+			link = lib.NewLink(host.Client.GetId(), lib.CONN_TCP, host.GetRandomTarget(), host.Client.Cnf.CompressEncode, host.Client.Cnf.CompressDecode, host.Client.Cnf.Crypt, c, host.Flow, nil, host.Client.Rate, nil)
 			if tunnel, err = s.bridge.SendLinkInfo(host.Client.Id, link); err != nil {
 				break
 			}
@@ -148,7 +148,7 @@ func (s *httpServer) process(c *utils.Conn, r *http.Request) {
 			}
 		}
 		//根据设定，修改header和host
-		utils.ChangeHostAndHeader(r, host.HostChange, host.HeaderChange, c.Conn.RemoteAddr().String())
+		lib.ChangeHostAndHeader(r, host.HostChange, host.HeaderChange, c.Conn.RemoteAddr().String())
 		b, err := httputil.DumpRequest(r, true)
 		if err != nil {
 			break
@@ -163,7 +163,7 @@ func (s *httpServer) process(c *utils.Conn, r *http.Request) {
 	if isConn {
 		s.writeConnFail(c.Conn)
 	} else {
-		tunnel.SendMsg([]byte(utils.IO_EOF), link)
+		tunnel.SendMsg([]byte(lib.IO_EOF), link)
 	}
 
 	c.Close()

server/server.go

@@ -3,7 +3,7 @@ package server
 import (
 	"errors"
 	"github.com/cnlh/nps/bridge"
-	"github.com/cnlh/nps/utils"
+	"github.com/cnlh/nps/lib"
 	"log"
 	"os"
 	"reflect"
@@ -13,7 +13,7 @@ import (
 var (
 	Bridge      *bridge.Bridge
 	RunList     map[int]interface{} //运行中的任务
-	CsvDb       = utils.GetCsvDb()
+	CsvDb       = lib.GetCsvDb()
 	startFinish chan bool
 )
 
@@ -26,27 +26,27 @@ func init() {
 func InitFromCsv() {
 	for _, v := range CsvDb.Tasks {
 		if v.Status {
-			utils.Println("启动模式：", v.Mode, "监听端口：", v.TcpPort)
+			lib.Println("启动模式：", v.Mode, "监听端口：", v.TcpPort)
 			AddTask(v)
 		}
 	}
 }
 
 //start a new server
-func StartNewServer(bridgePort int, cnf *utils.Tunnel, test bool) {
+func StartNewServer(bridgePort int, cnf *lib.Tunnel, test bool) {
 	go func() {
 		Bridge = bridge.NewTunnel(bridgePort, RunList)
 		if err := Bridge.StartTunnel(); err != nil {
-			utils.Fatalln("服务端开启失败", err)
+			lib.Fatalln("服务端开启失败", err)
 		}
 		if svr := NewMode(Bridge, cnf); svr != nil {
 			RunList[cnf.Id] = svr
 			err := reflect.ValueOf(svr).MethodByName("Start").Call(nil)[0]
 			if err.Interface() != nil {
-				utils.Fatalln(err)
+				lib.Fatalln(err)
 			}
 		} else {
-			utils.Fatalln("启动模式不正确")
+			lib.Fatalln("启动模式不正确")
 		}
 	}()
 	for {
@@ -61,7 +61,7 @@ func StartNewServer(bridgePort int, cnf *utils.Tunnel, test bool) {
 }
 
 //new a server by mode name
-func NewMode(Bridge *bridge.Bridge, c *utils.Tunnel) interface{} {
+func NewMode(Bridge *bridge.Bridge, c *lib.Tunnel) interface{} {
 	switch c.Mode {
 	case "tunnelServer":
 		return NewTunnelModeServer(ProcessTunnel, Bridge, c)
@@ -73,11 +73,11 @@ func NewMode(Bridge *bridge.Bridge, c *utils.Tunnel) interface{} {
 		return NewUdpModeServer(Bridge, c)
 	case "webServer":
 		InitFromCsv()
-		t := &utils.Tunnel{
+		t := &lib.Tunnel{
 			TcpPort: 0,
 			Mode:    "httpHostServer",
 			Target:  "",
-			Config:  &utils.Config{},
+			Config:  &lib.Config{},
 			Status:  true,
 		}
 		AddTask(t)
@@ -106,13 +106,13 @@ func StopServer(id int) error {
 }
 
 //add task
-func AddTask(t *utils.Tunnel) error {
+func AddTask(t *lib.Tunnel) error {
 	if svr := NewMode(Bridge, t); svr != nil {
 		RunList[t.Id] = svr
 		go func() {
 			err := reflect.ValueOf(svr).MethodByName("Start").Call(nil)[0]
 			if err.Interface() != nil {
-				utils.Fatalln("服务端", t.Id, "启动失败，错误：", err)
+				lib.Fatalln("服务端", t.Id, "启动失败，错误：", err)
 				delete(RunList, t.Id)
 			}
 		}()
@@ -143,7 +143,7 @@ func DelTask(id int) error {
 }
 
 //get key by host from x
-func GetInfoByHost(host string) (h *utils.Host, err error) {
+func GetInfoByHost(host string) (h *lib.Host, err error) {
 	for _, v := range CsvDb.Hosts {
 		s := strings.Split(host, ":")
 		if s[0] == v.Host {
@@ -156,8 +156,8 @@ func GetInfoByHost(host string) (h *utils.Host, err error) {
 }
 
 //get task list by page num
-func GetTunnel(start, length int, typeVal string, clientId int) ([]*utils.Tunnel, int) {
-	list := make([]*utils.Tunnel, 0)
+func GetTunnel(start, length int, typeVal string, clientId int) ([]*lib.Tunnel, int) {
+	list := make([]*lib.Tunnel, 0)
 	var cnt int
 	for _, v := range CsvDb.Tasks {
 		if (typeVal != "" && v.Mode != typeVal) || (typeVal == "" && clientId != v.Client.Id) {
@@ -184,13 +184,13 @@ func GetTunnel(start, length int, typeVal string, clientId int) ([]*utils.Tunnel
 }
 
 //获取客户端列表
-func GetClientList(start, length int) (list []*utils.Client, cnt int) {
+func GetClientList(start, length int) (list []*lib.Client, cnt int) {
 	list, cnt = CsvDb.GetClientList(start, length)
 	dealClientData(list)
 	return
 }
 
-func dealClientData(list []*utils.Client) {
+func dealClientData(list []*lib.Client) {
 	for _, v := range list {
 		if _, ok := Bridge.Client[v.Id]; ok {
 			v.IsConnect = true

server/socks5.go

@@ -4,7 +4,7 @@ import (
 	"encoding/binary"
 	"errors"
 	"github.com/cnlh/nps/bridge"
-	"github.com/cnlh/nps/utils"
+	"github.com/cnlh/nps/lib"
 	"io"
 	"net"
 	"strconv"
@@ -65,7 +65,7 @@ func (s *Sock5ModeServer) handleRequest(c net.Conn) {
 	_, err := io.ReadFull(c, header)
 
 	if err != nil {
-		utils.Println("illegal request", err)
+		lib.Println("illegal request", err)
 		c.Close()
 		return
 	}
@@ -135,18 +135,18 @@ func (s *Sock5ModeServer) doConnect(c net.Conn, command uint8) {
 	addr := net.JoinHostPort(host, strconv.Itoa(int(port)))
 	var ltype string
 	if command == associateMethod {
-		ltype = utils.CONN_UDP
+		ltype = lib.CONN_UDP
 	} else {
-		ltype = utils.CONN_TCP
+		ltype = lib.CONN_TCP
 	}
-	link := utils.NewLink(s.task.Client.GetId(), ltype, addr, s.config.CompressEncode, s.config.CompressDecode, s.config.Crypt, utils.NewConn(c), s.task.Flow, nil, s.task.Client.Rate, nil)
+	link := lib.NewLink(s.task.Client.GetId(), ltype, addr, s.config.CompressEncode, s.config.CompressDecode, s.config.Crypt, lib.NewConn(c), s.task.Flow, nil, s.task.Client.Rate, nil)
 
 	if tunnel, err := s.bridge.SendLinkInfo(s.task.Client.Id, link); err != nil {
 		c.Close()
 		return
 	} else {
 		s.sendReply(c, succeeded)
-		s.linkCopy(link, utils.NewConn(c), nil, tunnel, s.task.Flow)
+		s.linkCopy(link, lib.NewConn(c), nil, tunnel, s.task.Flow)
 	}
 	return
 }
@@ -162,7 +162,7 @@ func (s *Sock5ModeServer) handleBind(c net.Conn) {
 
 //udp
 func (s *Sock5ModeServer) handleUDP(c net.Conn) {
-	utils.Println("UDP Associate")
+	lib.Println("UDP Associate")
 	/*
 	   +----+------+------+----------+----------+----------+
 	   |RSV | FRAG | ATYP | DST.ADDR | DST.PORT |   DATA   |
@@ -175,7 +175,7 @@ func (s *Sock5ModeServer) handleUDP(c net.Conn) {
 	// relay udp datagram silently, without any notification to the requesting client
 	if buf[2] != 0 {
 		// does not support fragmentation, drop it
-		utils.Println("does not support fragmentation, drop")
+		lib.Println("does not support fragmentation, drop")
 		dummy := make([]byte, maxUDPPacketSize)
 		c.Read(dummy)
 	}
@@ -187,13 +187,13 @@ func (s *Sock5ModeServer) handleUDP(c net.Conn) {
 func (s *Sock5ModeServer) handleConn(c net.Conn) {
 	buf := make([]byte, 2)
 	if _, err := io.ReadFull(c, buf); err != nil {
-		utils.Println("negotiation err", err)
+		lib.Println("negotiation err", err)
 		c.Close()
 		return
 	}
 
 	if version := buf[0]; version != 5 {
-		utils.Println("only support socks5, request from: ", c.RemoteAddr())
+		lib.Println("only support socks5, request from: ", c.RemoteAddr())
 		c.Close()
 		return
 	}
@@ -201,7 +201,7 @@ func (s *Sock5ModeServer) handleConn(c net.Conn) {
 
 	methods := make([]byte, nMethods)
 	if len, err := c.Read(methods); len != int(nMethods) || err != nil {
-		utils.Println("wrong method")
+		lib.Println("wrong method")
 		c.Close()
 		return
 	}
@@ -210,7 +210,7 @@ func (s *Sock5ModeServer) handleConn(c net.Conn) {
 		c.Write(buf)
 		if err := s.Auth(c); err != nil {
 			c.Close()
-			utils.Println("验证失败：", err)
+			lib.Println("验证失败：", err)
 			return
 		}
 	} else {
@@ -269,7 +269,7 @@ func (s *Sock5ModeServer) Start() error {
 			if strings.Contains(err.Error(), "use of closed network connection") {
 				break
 			}
-			utils.Fatalln("accept error: ", err)
+			lib.Fatalln("accept error: ", err)
 		}
 		if !s.ResetConfig() {
 			conn.Close()
@@ -286,11 +286,11 @@ func (s *Sock5ModeServer) Close() error {
 }
 
 //new
-func NewSock5ModeServer(bridge *bridge.Bridge, task *utils.Tunnel) *Sock5ModeServer {
+func NewSock5ModeServer(bridge *bridge.Bridge, task *lib.Tunnel) *Sock5ModeServer {
 	s := new(Sock5ModeServer)
 	s.bridge = bridge
 	s.task = task
-	s.config = utils.DeepCopyConfig(task.Config)
+	s.config = lib.DeepCopyConfig(task.Config)
 	if s.config.U != "" && s.config.P != "" {
 		s.isVerify = true
 	} else {

server/tcp.go

@@ -4,7 +4,7 @@ import (
 	"errors"
 	"github.com/astaxie/beego"
 	"github.com/cnlh/nps/bridge"
-	"github.com/cnlh/nps/utils"
+	"github.com/cnlh/nps/lib"
 	"net"
 	"strings"
 )
@@ -16,12 +16,12 @@ type TunnelModeServer struct {
 }
 
 //tcp|http|host
-func NewTunnelModeServer(process process, bridge *bridge.Bridge, task *utils.Tunnel) *TunnelModeServer {
+func NewTunnelModeServer(process process, bridge *bridge.Bridge, task *lib.Tunnel) *TunnelModeServer {
 	s := new(TunnelModeServer)
 	s.bridge = bridge
 	s.process = process
 	s.task = task
-	s.config = utils.DeepCopyConfig(task.Config)
+	s.config = lib.DeepCopyConfig(task.Config)
 	return s
 }
 
@@ -38,17 +38,17 @@ func (s *TunnelModeServer) Start() error {
 			if strings.Contains(err.Error(), "use of closed network connection") {
 				break
 			}
-			utils.Println(err)
+			lib.Println(err)
 			continue
 		}
-		go s.process(utils.NewConn(conn), s)
+		go s.process(lib.NewConn(conn), s)
 	}
 	return nil
 }
 
 //与客户端建立通道
-func (s *TunnelModeServer) dealClient(c *utils.Conn, cnf *utils.Config, addr string, method string, rb []byte) error {
-	link := utils.NewLink(s.task.Client.GetId(), utils.CONN_TCP, addr, cnf.CompressEncode, cnf.CompressDecode, cnf.Crypt, c, s.task.Flow, nil, s.task.Client.Rate, nil)
+func (s *TunnelModeServer) dealClient(c *lib.Conn, cnf *lib.Config, addr string, method string, rb []byte) error {
+	link := lib.NewLink(s.task.Client.GetId(), lib.CONN_TCP, addr, cnf.CompressEncode, cnf.CompressDecode, cnf.Crypt, c, s.task.Flow, nil, s.task.Client.Rate, nil)
 
 	if tunnel, err := s.bridge.SendLinkInfo(s.task.Client.Id, link); err != nil {
 		c.Close()
@@ -72,7 +72,7 @@ type WebServer struct {
 //开始
 func (s *WebServer) Start() error {
 	beego.BConfig.WebConfig.Session.SessionOn = true
-	utils.Println("web管理启动，访问端口为", beego.AppConfig.String("httpport"))
+	lib.Println("web管理启动，访问端口为", beego.AppConfig.String("httpport"))
 	beego.SetViewsPath(beego.AppPath + "/web/views")
 	beego.SetStaticPath("/static", beego.AppPath+"/web/static")
 	beego.Run()
@@ -96,10 +96,10 @@ func (s *HostServer) Start() error {
 	return nil
 }
 
-func NewHostServer(task *utils.Tunnel) *HostServer {
+func NewHostServer(task *lib.Tunnel) *HostServer {
 	s := new(HostServer)
 	s.task = task
-	s.config = utils.DeepCopyConfig(task.Config)
+	s.config = lib.DeepCopyConfig(task.Config)
 	return s
 }
 
@@ -108,10 +108,10 @@ func (s *HostServer) Close() error {
 	return nil
 }
 
-type process func(c *utils.Conn, s *TunnelModeServer) error
+type process func(c *lib.Conn, s *TunnelModeServer) error
 
 //tcp隧道模式
-func ProcessTunnel(c *utils.Conn, s *TunnelModeServer) error {
+func ProcessTunnel(c *lib.Conn, s *TunnelModeServer) error {
 	if !s.ResetConfig() {
 		c.Close()
 		return errors.New("流量超出")
@@ -120,7 +120,7 @@ func ProcessTunnel(c *utils.Conn, s *TunnelModeServer) error {
 }
 
 //http代理模式
-func ProcessHttp(c *utils.Conn, s *TunnelModeServer) error {
+func ProcessHttp(c *lib.Conn, s *TunnelModeServer) error {
 	if !s.ResetConfig() {
 		c.Close()
 		return errors.New("流量超出")

server/udp.go

@@ -2,7 +2,7 @@ package server
 
 import (
 	"github.com/cnlh/nps/bridge"
-	"github.com/cnlh/nps/utils"
+	"github.com/cnlh/nps/lib"
 	"net"
 	"strings"
 )
@@ -10,15 +10,15 @@ import (
 type UdpModeServer struct {
 	server
 	listener *net.UDPConn
-	udpMap   map[string]*utils.Conn
+	udpMap   map[string]*lib.Conn
 }
 
-func NewUdpModeServer(bridge *bridge.Bridge, task *utils.Tunnel) *UdpModeServer {
+func NewUdpModeServer(bridge *bridge.Bridge, task *lib.Tunnel) *UdpModeServer {
 	s := new(UdpModeServer)
 	s.bridge = bridge
-	s.udpMap = make(map[string]*utils.Conn)
+	s.udpMap = make(map[string]*lib.Conn)
 	s.task = task
-	s.config = utils.DeepCopyConfig(task.Config)
+	s.config = lib.DeepCopyConfig(task.Config)
 	return s
 }
 
@@ -29,7 +29,7 @@ func (s *UdpModeServer) Start() error {
 	if err != nil {
 		return err
 	}
-	buf := utils.BufPoolUdp.Get().([]byte)
+	buf := lib.BufPoolUdp.Get().([]byte)
 	for {
 		n, addr, err := s.listener.ReadFromUDP(buf)
 		if err != nil {
@@ -47,7 +47,7 @@ func (s *UdpModeServer) Start() error {
 }
 
 func (s *UdpModeServer) process(addr *net.UDPAddr, data []byte) {
-	link := utils.NewLink(s.task.Client.GetId(), utils.CONN_UDP, s.task.Target, s.config.CompressEncode, s.config.CompressDecode, s.config.Crypt, nil, s.task.Flow, s.listener, s.task.Client.Rate, addr)
+	link := lib.NewLink(s.task.Client.GetId(), lib.CONN_UDP, s.task.Target, s.config.CompressEncode, s.config.CompressDecode, s.config.Crypt, nil, s.task.Flow, s.listener, s.task.Client.Rate, addr)
 
 	if tunnel, err := s.bridge.SendLinkInfo(s.task.Client.Id, link); err != nil {
 		return