style: using is struct to handle all judgements global envs

main.go

@@ -22,23 +22,31 @@ type SoftwareInfo struct {
 	BuildType   string
 }
 
-var softwareInfo SoftwareInfo
+var softwareInfo SoftwareInfo = SoftwareInfo{
+	Name:      "Super-frpc",
+	Version:   "0.0.1",
+	Developer: "Madobi Nanami",
+	BuildVer:  1,
+	BuildType: "debug",
+}
 
 type StatusInfo struct {
 	Status string
 }
 
-var isDebug bool
-var isOnline bool
+type Is struct {
+	debug bool
+	online bool
+	watchdogConnected bool
+}
+
+var is Is = Is {
+	debug: false,
+	online: false,
+	watchdogConnected: false,
+}
 
 func main() {
-	softwareInfo = SoftwareInfo{
-		Name:      "Super-frpc",
-		Version:   "0.0.1",
-		Developer: "Madobi Nanami",
-		BuildVer:  1,
-		BuildType: "debug",
-	}
 	postLog.Info(fmt.Sprintf("%s %s (Build %d.%s) by %s", softwareInfo.Name, softwareInfo.Version, softwareInfo.BuildVer, softwareInfo.BuildType, softwareInfo.Developer))
 	configPath := flag.String("config", "./config.json", "path to config file")
 	dbPath_data := flag.String("db", "./database.db", "path to database file")
@@ -63,7 +71,7 @@ func main() {
 	}
 
 	postLog.SetDebugMode(config.Debug)
-	isDebug = config.Debug
+	is.debug = config.Debug
 
 	if err := postLog.InitLogsDatabase(*dbPath_log); err != nil {
 		postLog.Fatal(fmt.Sprintf("Failed to initialize logs database: %v", err))
@@ -112,7 +120,7 @@ func main() {
 
 	go func() {
 		postLog.Info(fmt.Sprintf("Server starting on %s", addr))
-		isOnline = true
+		is.online = true
 		if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
 			postLog.Fatal(fmt.Sprintf("Failed to start server: %v", err))
 		}
@@ -152,7 +160,7 @@ func GetStatusHandler(w http.ResponseWriter, r *http.Request) {
 	statusInfo := StatusInfo{
 		Status: "Online",
 	}
-	if !isOnline {
+	if !is.online {
 		statusInfo.Status = "Offline"
 	}
 	SendSuccessResponse(w, "getStatus", statusInfo)