First available commit

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)
+	}
+}