优化 文件扫描性能

fileboy.go

@@ -113,6 +113,11 @@ func eventDispatcher(event fsnotify.Event) {
 func addWatcher() {
 	logInfo("collecting directory information...")
 	dirsMap := map[string]bool{}
+	for _, dir := range cfg.Monitor.ExceptDirs {
+		if dir == "." {
+			logAndExit("exceptDirs must is not project root path ! err path:", dir)
+		}
+	}
 	for _, dir := range cfg.Monitor.IncludeDirs {
 		darr := dirParse2Array(dir)
 		if len(darr) < 1 || len(darr) > 2 {
@@ -147,16 +152,7 @@ func addWatcher() {
 		}
 
 	}
-	for _, dir := range cfg.Monitor.ExceptDirs {
+
-		if dir == "." {
-			logAndExit("exceptDirs must is not project root path ! err path:", dir)
-		}
-		p := projectFolder + "/" + dir
-		delete(dirsMap, p)
-		listFile(p, func(d string) {
-			delete(dirsMap, d)
-		})
-	}
 	for dir := range dirsMap {
 		logInfo("watcher add -> ", dir)
 		err := watcher.Add(dir)
@@ -224,13 +220,7 @@ func watchChangeHandler(event fsnotify.Event) {
 			continue
 		}
 		// check exceptDirs
-		has := false
+		if hitDirs(event.Name, &cfg.Monitor.ExceptDirs) {
-		for _, v := range cfg.Monitor.ExceptDirs {
-			if strings.HasPrefix(event.Name, projectFolder+"/"+v) {
-				has = true
-			}
-		}
-		if has {
 			continue
 		}
 

util.go

@@ -53,11 +53,24 @@ func dirParse2Array(s string) []string {
 	return r
 }
 
+func hitDirs(d string, dirs *[]string) bool {
+	d += "/"
+	for _, v := range *dirs {
+		if strings.HasPrefix(d, projectFolder+"/"+v+"/") {
+			return true
+		}
+	}
+	return false
+}
+
 func listFile(folder string, fun func(string)) {
 	files, _ := ioutil.ReadDir(folder)
 	for _, file := range files {
 		if file.IsDir() {
 			d := folder + "/" + file.Name()
+			if hitDirs(d, &cfg.Monitor.ExceptDirs) {
+				continue
+			}
 			fun(d)
 			listFile(d, fun)
 		}