fix: the daemon restarts repeatedly when there is no network

daemon会因为窗口的接口调用反复异常重启
这会导致托盘图标出现闪烁在没有网络时

Log:
Issues: linuxdeepin/developer-center#7936

src/dbusservice/com.deepin.Home.Daemon.xml

@@ -83,5 +83,8 @@
     <method name="getVersion">
       <arg type="s" direction="out"/>
     </method>
+    <method name="isReady">
+      <arg type="b" direction="out"/>
+    </method>
   </interface>
 </node>

src/main/homeDaemon.cpp

@@ -10,10 +10,11 @@ HomeDaemon::HomeDaemon(QObject *parent)
 {
     // 网络请求
     m_api = new API("http_cache", this);
-    m_am_app_home = new ApplicationManager1Application("org.desktopspec.ApplicationManager1",
-                                   "/org/desktopspec/ApplicationManager1/deepin_2dhome",
-                                   QDBusConnection::sessionBus(),
-                                   this);
+    m_am_app_home
+        = new ApplicationManager1Application("org.desktopspec.ApplicationManager1",
+                                             "/org/desktopspec/ApplicationManager1/deepin_2dhome",
+                                             QDBusConnection::sessionBus(),
+                                             this);
     qCDebug(logger) << m_am_app_home->service() << "isValid" << m_am_app_home->isValid();
     // 初始化系统托盘
     m_menu = new QMenu();
@@ -198,6 +199,7 @@ void HomeDaemon::run()
                 refreshChannel(cronID, channel);
             });
         }
+        m_isReady = true;
     } catch (APIException exp) {
         qCWarning(logger) << "Refresh Node Error" << exp.err_code << exp.err_msg;
     } catch (...) {
@@ -501,4 +503,19 @@ void HomeDaemon::activeMainWindows()
 QString HomeDaemon::getVersion()
 {
     return APP_VERSION;
+}
+
+// 返回daemon是否准备好
+bool HomeDaemon::isReady()
+{
+    if (m_isReady) {
+        return true;
+    }
+    try {
+        refreshNode();
+        m_isReady = true;
+        return true;
+    } catch (...) {
+        return false;
+    }
 }

src/main/homeDaemon.h

@@ -51,12 +51,14 @@ class HomeDaemon : public QObject, protected QDBusContext
     Account *m_account = nullptr;
     QLoggingCategory logger = QLoggingCategory("daemon");
     ApplicationManager1Application *m_am_app_home = nullptr;
+    bool m_isReady = false;
 
 public:
     explicit HomeDaemon(QObject *parent = nullptr);
     ~HomeDaemon();
     // 启动定时器，循环刷新消息
     void start();
+
 private:
     // 初始化托盘
     void initSysTrayIcon();
@@ -130,6 +132,8 @@ public slots:
     void activeMainWindows();
     // 获取当前应用版本信息
     QString getVersion();
+    // 获取daemon是否准备好了
+    bool isReady();
 signals:
     // 用户登录状态变动，客户端收到通知后，可以调用daemon获取新的用户状态
     void userInfoChanged();

src/maincomponentplugin/worker.cpp

@@ -27,7 +27,9 @@ Worker::Worker(QObject *parent)
     connect(m_daemon, &HomeDaemonProxy::showMainWindow, this, &Worker::showMainWindow);
 
     // 在主窗口显示时，检查一次系统登陆状态，避免因daemon开机启动过早导致登陆状态未和系统保持同步
-    m_daemon->checkLogin();
+    if (m_daemon->isReady()) {
+        m_daemon->checkLogin();
+    }
 
 // 为避免应用升级后接口不兼容，如果客户端和daemon版本不一致，重启一次daemon
 #ifndef QT_DEBUG
@@ -53,12 +55,18 @@ Worker::~Worker() {}
 
 QString Worker::getNode()
 {
+    if (!isReady()) {
+        return "";
+    }
     qCDebug(this->logger) << "get node";
     return m_daemon->getNode();
 };
 
 QString Worker::getLanguage()
 {
+    if (!isReady()) {
+        return "";
+    }
     qCDebug(this->logger) << "get language";
     return m_daemon->getLanguage();
 };
@@ -288,4 +296,9 @@ void Worker::getSysInfo()
         this->signalsGetSysInfoResp(watcher->result());
     });
     watcher->setFuture(future);
+}
+
+bool Worker::isReady()
+{
+    return m_daemon->isReady();
 }

src/maincomponentplugin/worker.h

@@ -75,6 +75,8 @@ public slots:
     QString genUUID();
     // 获取系统信息
     void getSysInfo();
+    // 获取worker是否准备好
+    bool isReady();
 signals:
     void userInfoChanged();
     void messageChanged();