fix: support run without config file

close https://github.com/gwuhaolin/livego/issues/74

configure/liveconfig.go

@@ -45,28 +45,30 @@ type ServerCfg struct {
 	Server    []Application `json:"server"`
 }
 
-var RtmpServercfg ServerCfg
+// default config
+var RtmpServercfg = ServerCfg{
+	Server: []Application{{
+		Appname:    "livego",
+		Liveon:     "on",
+		Hlson:      "on",
+		StaticPush: nil,
+	}},
+}
 
-func LoadConfig(configfilename string) error {
+func LoadConfig(configfilename string) {
 	log.Printf("starting load configure file %s", configfilename)
 	data, err := ioutil.ReadFile(configfilename)
 	if err != nil {
 		log.Printf("ReadFile %s error:%v", configfilename, err)
-		return err
 	}
 
-	// log.Printf("loadconfig: \r\n%s", string(data))
-
 	err = json.Unmarshal(data, &RtmpServercfg)
 	if err != nil {
 		log.Printf("json.Unmarshal error:%v", err)
-		return err
 	}
 	log.Printf("get config json data:%v", RtmpServercfg)
 
 	Init()
-
-	return nil
 }
 
 func GetKeyFile() *string {

livego.json

@@ -1,7 +1,7 @@
 {
   "server": [
     {
-      "appname": "live",
+      "appname": "livego",
       "liveon": "on",
       "hlson": "on"
     }

main.go

@@ -19,7 +19,7 @@ var (
 	httpFlvAddr    = flag.String("httpflv-addr", ":7001", "HTTP-FLV server listen address")
 	hlsAddr        = flag.String("hls-addr", ":7002", "HLS server listen address")
 	operaAddr      = flag.String("manage-addr", ":8090", "HTTP manage interface server listen address")
-	configfilename = flag.String("config-file", "config/livego.json", "configure filename")
+	configfilename = flag.String("config-file", "livego.json", "configure filename")
 )
 
 func init() {
@@ -116,10 +116,7 @@ func main() {
 		}
 	}()
 	log.Println("start livego, version", version)
-	err := configure.LoadConfig(*configfilename)
-	if err != nil {
-		return
-	}
+	configure.LoadConfig(*configfilename)
 
 	stream := rtmp.NewRtmpStream()
 	hlsServer := startHls()