add host flag for goc server

cmd/server.go

@@ -1,6 +1,7 @@
 package cmd
 
 import (
+	"github.com/qiniu/goc/v2/pkg/config"
 	"github.com/qiniu/goc/v2/pkg/server"
 	"github.com/spf13/cobra"
 )
@@ -17,10 +18,10 @@ var serverCmd = &cobra.Command{
 func init() {
 	// serverCmd.Flags().IntVarP(&config.GocConfig.Port, "port", "", 7777, "listen port to start a coverage host center")
 	// serverCmd.Flags().StringVarP(&config.GocConfig.StorePath, "storepath", "", "goc.store", "the file to save all goc server information")
-
+	serverCmd.Flags().StringVarP(&config.GocConfig.Host, "host", "", "0.0.0.0:7777", "specify the host of the goc server")
 	rootCmd.AddCommand(serverCmd)
 }
 
 func serve(cmd *cobra.Command, args []string) {
-	server.RunGocServerUntilExit(8080)
+	server.RunGocServerUntilExit(config.GocConfig.Host)
 }

pkg/server/server.go

@@ -2,7 +2,6 @@ package server
 
 import (
 	"net/rpc"
-	"strconv"
 	"sync"
 	"time"
 
@@ -35,9 +34,8 @@ type gocCoveredAgent struct {
 	once   sync.Once `json:"-"` // 保护 close(exitCh) 只执行一次
 }
 
-func RunGocServerUntilExit(port int) {
+func RunGocServerUntilExit(host string) {
 	gs := gocServer{
-		port:      port,
 		storePath: "",
 		upgrader: websocket.Upgrader{
 			ReadBufferSize:   4096,
@@ -60,5 +58,5 @@ func RunGocServerUntilExit(port int) {
 		v2.GET("/internal/ws/watchstream", nil)
 	}
 
-	r.Run(":" + strconv.Itoa(port))
+	r.Run(host)
 }