fix: stock on startup

Change-Id: Id539dbd2fb7c1493d89c6edb04340fe1cef3c52c

src/daemon/main.go

@@ -42,7 +42,7 @@ func main() {
 	if err != nil {
 		logger.Fatal(err)
 	}
-	m.updateCache()
+	go m.updateCache()
 
 	// caller := service.Conn().Object("com.deepin.pusher", "/com/deepin/pusher")
 	// err = caller.Call("com.deepin.pusher.Register", 0, "store", dbusServiceName, dbusMetadataPath, dbusMetadataInterface).Store()

src/daemon/metadata.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"sync"
 	"time"
 
 	"github.com/go-ini/ini"
@@ -20,7 +21,8 @@ type Metadata struct {
 	block      *blocklist
 	debBackend *Backend
 
-	apps map[string]*AppBody
+	mutex sync.Mutex
+	apps  map[string]*AppBody
 
 	methods *struct {
 		GetAppIcon         func() `in:"appName" out:"path"`
@@ -179,6 +181,9 @@ func (m *Metadata) getAppIcon(appName string) string {
 }
 
 func (m *Metadata) updateCache() {
+	m.mutex.Lock()
+	defer m.mutex.Unlock()
+
 	if len(m.apps) > 0 {
 		return
 	}

src/daemon/utils.go

@@ -88,13 +88,20 @@ func cacheFetchJSON(v interface{}, url, cacheFilepath string, expire time.Durati
 	}
 	defer resp.Body.Close()
 
-	gzipReader, err := gzip.NewReader(resp.Body)
-	if err != nil {
-		logger.Error("gzip data read failed: %v", err)
-		return err
+	var reader io.ReadCloser
+	switch resp.Header.Get("Content-Encoding") {
+	case "gzip":
+		reader, err = gzip.NewReader(resp.Body)
+		if err != nil {
+			logger.Errorf("gzip data read %q failed: %v", url, err)
+			return err
+		}
+		defer reader.Close()
+	default:
+		reader = resp.Body
 	}
 
-	jsonDec := json.NewDecoder(gzipReader)
+	jsonDec := json.NewDecoder(reader)
 	err = jsonDec.Decode(v)
 	if err != nil {
 		logger.Error("json decode failed: %v", err)