First available commit

cmd/frpc/config.go

@@ -0,0 +1,89 @@
+package main
+
+import (
+	"fmt"
+	"strconv"
+
+	"frp/pkg/models"
+
+	ini "github.com/vaughan0/go-ini"
+)
+
+// common config
+var (
+	ServerAddr	string = "0.0.0.0"
+	ServerPort	int64  = 7000
+	LogFile		string = "./frpc.log"
+	LogLevel	string = "warn"
+	LogWay		string = "file"
+)
+
+var ProxyClients map[string]*models.ProxyClient = make(map[string]*models.ProxyClient)
+
+
+func LoadConf(confFile string) (err error) {
+	var tmpStr string
+	var ok bool
+
+	conf, err := ini.LoadFile(confFile)
+	if err != nil {
+		return err
+	}
+
+	// common
+	tmpStr, ok = conf.Get("common", "server_addr")
+	if ok {
+		ServerAddr = tmpStr
+	}
+
+	tmpStr, ok = conf.Get("common", "server_port")
+	if ok {
+		ServerPort, _ = strconv.ParseInt(tmpStr, 10, 64)
+	}
+
+	tmpStr, ok = conf.Get("common", "log_file")
+	if ok {
+		LogFile = tmpStr
+	}
+
+	tmpStr, ok = conf.Get("common", "log_level")
+	if ok {
+		LogLevel = tmpStr
+	}
+
+	tmpStr, ok = conf.Get("common", "log_way")
+	if ok {
+		LogWay = tmpStr
+	}
+
+	// servers
+	for name, section := range conf {
+		if name != "common" {
+			proxyClient := &models.ProxyClient{}
+			proxyClient.Name = name
+
+			proxyClient.Passwd, ok = section["passwd"]
+			if !ok {
+				return fmt.Errorf("Parse ini file error: proxy [%s] no passwd found", proxyClient.Name)
+			}
+
+			portStr, ok := section["local_port"]
+			if ok {
+				proxyClient.LocalPort, err = strconv.ParseInt(portStr, 10, 64)
+				if err != nil {
+					return fmt.Errorf("Parse ini file error: proxy [%s] local_port error", proxyClient.Name)
+				}
+			} else {
+				return fmt.Errorf("Parse ini file error: proxy [%s] local_port not found", proxyClient.Name)
+			}
+
+			ProxyClients[proxyClient.Name] = proxyClient
+		}
+	}
+
+	if len(ProxyClients) == 0 {
+		return fmt.Errorf("Parse ini file error: no proxy config found")
+	}
+
+	return nil
+}

cmd/frpc/control.go

@@ -0,0 +1,67 @@
+package main
+
+import (
+	"io"
+	"sync"
+	"encoding/json"
+
+	"frp/pkg/models"
+	"frp/pkg/utils/conn"
+	"frp/pkg/utils/log"
+)
+
+func ControlProcess(cli *models.ProxyClient, wait *sync.WaitGroup) {
+	defer wait.Done()
+
+	c := &conn.Conn{}
+	err := c.ConnectServer(ServerAddr, ServerPort)
+	if err != nil {
+		log.Error("ProxyName [%s], connect to server [%s:%d] error, %v", cli.Name, ServerAddr, ServerPort, err)
+		return
+	}
+	defer c.Close()
+
+	req := &models.ClientCtlReq{
+		Type:		models.ControlConn,
+		ProxyName:	cli.Name,
+		Passwd:		cli.Passwd,
+	}
+	buf, _ := json.Marshal(req)
+	err = c.Write(string(buf) + "\n")
+	if err != nil {
+		log.Error("ProxyName [%s], write to server error, %v", cli.Name, err)
+		return
+	}
+
+	res, err := c.ReadLine()
+	if err != nil {
+		log.Error("ProxyName [%s], read from server error, %v", cli.Name, err)
+		return
+	}
+	log.Debug("ProxyName [%s], read [%s]", cli.Name, res)
+
+	clientCtlRes := &models.ClientCtlRes{}
+	if err = json.Unmarshal([]byte(res), &clientCtlRes); err != nil {
+		log.Error("ProxyName [%s], format server response error, %v", cli.Name, err)
+		return
+	}
+
+	if clientCtlRes.Code != 0 {
+		log.Error("ProxyName [%s], start proxy error, %s", cli.Name, clientCtlRes.Msg)
+		return
+	}
+
+	for {
+		// ignore response content now
+		_, err := c.ReadLine()
+		if err == io.EOF {
+			log.Debug("ProxyName [%s], server close this control conn", cli.Name)
+			break
+		} else if err != nil {
+			log.Warn("ProxyName [%s], read from server error, %v", cli.Name, err)
+			continue
+		}
+
+		cli.StartTunnel(ServerAddr, ServerPort)
+	}
+}

cmd/frpc/main.go

@@ -0,0 +1,30 @@
+package main
+
+import (
+	"os"
+	"sync"
+	
+	"frp/pkg/utils/log"
+)
+
+func main() {
+	err := LoadConf("./frpc.ini")
+	if err != nil {
+		os.Exit(-1)
+	}
+
+	log.InitLog(LogWay, LogFile, LogLevel)
+
+	// wait until all control goroutine exit
+	var wait sync.WaitGroup
+	wait.Add(len(ProxyClients))
+
+	for _, client := range ProxyClients {
+		go ControlProcess(client, &wait)
+	}
+
+	log.Info("Start frpc success")
+
+	wait.Wait()
+	log.Warn("All proxy exit!")
+}