fix connection write issue and add make file

.vscode/launch.json

@@ -10,7 +10,7 @@
             "request": "launch",
             "mode": "auto",
             "program": "${workspaceFolder}/tunnelclient",
-            "args":["--target-session", "HNCZhU8G86HSfTZv", "--local-port", "2222"]
+            "args":["--target-session", "0OqhwXRIE9IoFqHE", "--local-port", "2222"]
         },
         {
             "name": "Launch Package",

Makefile

@@ -5,7 +5,7 @@ PROJECT_DIR := $(shell pwd)
 BIN_DIR := dist
 
 # 定义应用程序的名称
-APPS := tunnelserver
+APPS := tunnelserver tunnelclient tunnelagent
 
 # 创建输出目录
 $(BIN_DIR):

client/dataconn.go

@@ -7,6 +7,7 @@ import (
 	"log"
 	"net"
 	"strconv"
+	"sync"
 
 	"git.pyer.club/kingecg/goemitter"
 	"git.pyer.club/kingecg/gotunnelserver/util"
@@ -21,6 +22,7 @@ type DataEndPoint struct {
 	dataSession string
 	wsConn      *ws.Conn
 	conns       map[int32]*DataConn
+	mux         sync.Mutex
 }
 
 func (d *DataEndPoint) Close() {
@@ -43,11 +45,13 @@ func (d *DataEndPoint) Connect() {
 	for {
 		// d.wsConn.SetReadDeadline(time.Now().Add(time.Minute * 5))
 		_, data, err := d.wsConn.ReadMessage()
+		log.Println("recv data:", len(data))
 		if err != nil {
+			log.Println("recv err:", err)
 			break
 		}
 		var packet Packet
-		err = packet.BinaryUnmarshaler(data)
+		err = packet.UnmarshalBinary(data)
 		if err != nil {
 			continue
 		}
@@ -58,11 +62,14 @@ func (d *DataEndPoint) Connect() {
 				log.Println(err)
 				continue
 			}
+			log.Println("R new connection:", packet.id, d.Host, d.Port)
 			conn = NewDataConnection(packet.id, &tcpconn, d)
 			conn.Start()
 			conn.Once("close", func(args ...interface{}) {
+				log.Println("connection closed:", conn.id)
 				d.onDataConnClose(conn)
 			})
+			d.conns[packet.id] = conn
 		}
 
 		conn.Write(packet)
@@ -84,13 +91,17 @@ func (d *DataEndPoint) Listen() {
 		dconn := NewDataConnection(0, &conn, d)
 		d.conns[dconn.id] = dconn
 		dconn.Start()
+		log.Println("L new connection:", dconn.id, d.Host, d.Port)
 		dconn.Once("close", func(args ...interface{}) {
+			log.Println("connection closed:", dconn.id)
 			d.onDataConnClose(dconn)
 		})
 	}
 }
 
 func (d *DataEndPoint) Write(p []byte) (n int, err error) {
+	d.mux.Lock()
+	defer d.mux.Unlock()
 	return len(p), d.wsConn.WriteMessage(ws.BinaryMessage, p)
 }
 
@@ -115,11 +126,48 @@ type Packet struct {
 }
 
 func (p *Packet) MarshalBinary() ([]byte, error) {
+	// 创建一个字节切片缓冲区
 	buf := new(bytes.Buffer)
-	binary.Write(buf, binary.LittleEndian, p)
+
+	// 写入 ID
+	if err := binary.Write(buf, binary.BigEndian, p.id); err != nil {
+		return nil, err
+	}
+
+	// 写入 Data 的长度
+	if err := binary.Write(buf, binary.BigEndian, int32(len(p.data))); err != nil {
+		return nil, err
+	}
+
+	// 写入 Data
+	if _, err := buf.Write(p.data); err != nil {
+		return nil, err
+	}
+
+	// 返回字节切片
 	return buf.Bytes(), nil
 }
 
+func (p *Packet) UnmarshalBinary(data []byte) error {
+	// 创建一个字节切片缓冲区
+	buf := bytes.NewReader(data)
+	// 读取 ID
+	if err := binary.Read(buf, binary.BigEndian, &p.id); err != nil {
+		return err
+	}
+	// 读取 Data 的长度
+	var dataLen int32
+	if err := binary.Read(buf, binary.BigEndian, &dataLen); err != nil {
+		return err
+	}
+	// 读取 Data
+	p.data = make([]byte, dataLen)
+	if _, err := buf.Read(p.data); err != nil {
+		return err
+	}
+	return nil
+}
+
 func (p *Packet) BinaryUnmarshaler(data []byte) error {
 	buf := bytes.NewReader(data)
 	return binary.Read(buf, binary.LittleEndian, p)
@@ -129,16 +177,18 @@ func (d *DataConn) Close() {
 }
 
 func (d *DataConn) Write(p Packet) (n int, err error) {
+	log.Println("connection write data:", p.id, len(p.data))
 	return (*d.conn).Write(p.data)
 }
 
 func (d *DataConn) Start() {
 	go func() {
 		for {
-			buf := make([]byte, 1024)
+			buf := make([]byte, 4096)
 			n, err := (*d.conn).Read(buf)
 			if err != nil {
 				// panic(err)
+				log.Println("Error:", err)
 				break
 			}
 			packet := Packet{
@@ -149,7 +199,8 @@ func (d *DataConn) Start() {
 			if err != nil {
 				continue
 			}
-			d.out.Write(data)
+			wn, werr := d.out.Write(data)
+			log.Println("write data:", werr, wn)
 		}
 		d.Emit("close")
 	}()

server/handleAgent.go

@@ -3,13 +3,24 @@ package server
 import (
 	"net/http"
 
+	"git.pyer.club/kingecg/gotunnelserver/util"
 	"github.com/gorilla/websocket"
 )
 
 func (s *Server) HandleAgent(c *websocket.Conn, r *http.Request) {
 	agentSession := NewSession(c)
 	agentSession.Start()
+	authEntity := r.Context().Value("authEntity")
+	if authEntity == nil {
+		agentSession.Close()
+		return
+	}
+	agentSession.Name = authEntity.(*util.AuthEntity).Username
+
 	s.agentSession[agentSession.Id] = agentSession
 	command := NcmdSession(agentSession.Id)
 	agentSession.Send(command)
+	agentSession.Once("Close", func(p ...interface{}) {
+		delete(s.agentSession, agentSession.Id)
+	})
 }

server/handleClient.go

@@ -3,12 +3,19 @@ package server
 import (
 	"net/http"
 
+	"git.pyer.club/kingecg/gotunnelserver/util"
 	"github.com/gorilla/websocket"
 )
 
 func (s *Server) HandleClient(conn *websocket.Conn, r *http.Request) {
 	clientSession := NewSession(conn)
 	clientSession.Start()
+	authEntity := r.Context().Value("authEntity")
+	if authEntity == nil {
+		clientSession.Close()
+		return
+	}
+	clientSession.Name = authEntity.(*util.AuthEntity).Username
 	s.clientSession[clientSession.Id] = clientSession
 	command := NcmdSession(clientSession.Id)
 	clientSession.Send(command)
@@ -26,6 +33,9 @@ func (s *Server) HandleClient(conn *websocket.Conn, r *http.Request) {
 			return
 		}
 		spipe := NewPipe(clientSession.Id, targetSessionId)
+		spipe.Once("Close", func(p ...interface{}) {
+			delete(s.pipes, spipe.Id)
+		})
 		s.pipes[spipe.Id] = spipe
 		command := NcmdConnectionInited(spipe.Id)
 
@@ -36,4 +46,7 @@ func (s *Server) HandleClient(conn *websocket.Conn, r *http.Request) {
 		targetSession.Send(command)
 
 	})
+	clientSession.Once("Close", func(p ...interface{}) {
+		delete(s.clientSession, clientSession.Id)
+	})
 }

server/handlePipe.go

@@ -3,6 +3,8 @@ package server
 import (
 	"net/http"
 
+	"git.pyer.club/kingecg/goemitter"
+	"git.pyer.club/kingecg/gologger"
 	"git.pyer.club/kingecg/gotunnelserver/util"
 	"github.com/gorilla/websocket"
 )
@@ -11,9 +13,11 @@ type Pipe struct {
 	Id  string
 	Src string
 	Dst string
+	*goemitter.EventEmitter
 	src      *websocket.Conn
 	dst      *websocket.Conn
 	stopChan chan int
+	logger   *gologger.Logger
 }
 
 func (p *Pipe) Start() {
@@ -23,12 +27,15 @@ func (p *Pipe) Start() {
 	<-p.stopChan
 	p.src.Close()
 	p.dst.Close()
+	p.Emit("Close")
 }
 func NewPipe(src, dst string) *Pipe {
 	return &Pipe{
 		Id:           util.GenRandomstring(16),
 		Src:          src,
 		Dst:          dst,
+		EventEmitter: goemitter.NewEmitter(),
+		logger:       gologger.GetLogger("pipe"),
 	}
 
 }
@@ -45,6 +52,7 @@ func (p *Pipe) forward(src, dst *websocket.Conn) {
 
 			break
 		}
+		p.logger.Debug("pipe forward:", len(message), "type", mtype)
 	}
 	p.stopChan <- 1
 }
@@ -90,14 +98,26 @@ func (s *Server) HandlePipe(conn *websocket.Conn, r *http.Request) {
 	}
 }
 
-func (s *Server) findSession(sessionId string) *Session {
-	clientSession, ok := s.clientSession[sessionId]
+func (s *Server) findSession(sidOrName string) *Session {
+	clientSession, ok := s.clientSession[sidOrName]
 	if ok {
 		return clientSession
 	}
-	agentSession, ok := s.agentSession[sessionId]
+	agentSession, ok := s.agentSession[sidOrName]
 	if ok {
 		return agentSession
 	}
+
+	for _, v := range s.clientSession {
+		if v.Name == sidOrName {
+			return v
+		}
+	}
+
+	for _, v := range s.agentSession {
+		if v.Name == sidOrName {
+			return v
+		}
+	}
 	return nil
 }

server/main.go

@@ -16,8 +16,8 @@ import (
 )
 
 var upgrader = websocket.Upgrader{
-	ReadBufferSize:  1024,
-	WriteBufferSize: 1024,
+	ReadBufferSize:  4096,
+	WriteBufferSize: 4096,
 }
 
 type ServerConfig struct {

server/session.go

@@ -11,6 +11,7 @@ import (
 
 type Session struct {
 	Id     string
+	Name   string
 	conn   *websocket.Conn
 	ctx    context.Context
 	cancel context.CancelFunc
@@ -26,7 +27,8 @@ func (s *Session) Send(cmd *Command) (err error) {
 	return s.conn.WriteJSON(cmd)
 }
 func (s *Session) Close() {
-	s.conn.Close()
+	_ = s.conn.Close()
+	s.Emit("Close")
 }
 
 func (s *Session) Start() {

tunnelagent/Makefile

@@ -0,0 +1,18 @@
+APP_NAME := tunnelagent
+BIN_DIR := ../dist/tunnelagent
+
+all: $(BIN_DIR) $(BIN_DIR)/$(APP_NAME)
+
+$(BIN_DIR):
+	mkdir -p $(BIN_DIR)
+
+$(BIN_DIR)/$(APP_NAME): main.go
+	go build -o $@ $<
+
+
+clean:
+	rm -rf $(BIN_DIR)
+test:
+	go test -v ./...
+
+.PHONY: clean all

tunnelagent/main.go

@@ -11,7 +11,7 @@ import (
 )
 
 type TunnelAgent struct {
-	Username string `flag_default:"tcclient" flag_usage:"username for tunnel server"`
+	Username string `flag_default:"tagent" flag_usage:"username for tunnel server"`
 	Salt     string `flag_default:"" flag_usage:"salt for tunnel server"`
 	Address  string `flag_default:"ws://127.0.0.1:8080" flag_usage:"address for tunnel server"`
 }

tunnelclient/Makefile

@@ -0,0 +1,18 @@
+APP_NAME := tunnelclient
+BIN_DIR := ../dist/tunnelclient
+
+all: $(BIN_DIR) $(BIN_DIR)/$(APP_NAME)
+
+$(BIN_DIR):
+	mkdir -p $(BIN_DIR)
+
+$(BIN_DIR)/$(APP_NAME): main.go
+	go build -o $@ $<
+
+
+clean:
+	rm -rf $(BIN_DIR)
+test:
+	go test -v ./...
+
+.PHONY: clean all