support for server down

src/AlarmTreeWidget.cpp

@@ -147,13 +147,13 @@ void AlarmTreeWidget::refresh(const CuData &v) {
     double d = static_cast<int>(v["timestamp_us"].toDouble());
     QString ts = QDateTime::fromSecsSinceEpoch(d).toString("HH:mm:ss");
     ts += QString("+%1").arg(d - static_cast<int>(d));
-    QuString src(v, "src");
+    QString src = QuString(v, "src");
     bool err = v["err"].toBool();
     QStringList data = QuStringList(v, "value");
     setToolTip(QuString(v, "msg"));
     /* remove the filter */
     if (err) {
-        src = QuString(v, "device");
+        src = src.section('/', 0, src.count('/') - 1);
         data = m_gen_error_item(v);
         perr("%s: %s\n", qstoc(src), qstoc(toolTip()));
     }
@@ -309,7 +309,9 @@ void AlarmTreeWidget::m_insert_item(const QString& src, const QStringList &list,
 QStringList AlarmTreeWidget::m_gen_error_item(const CuData &da) const {
     QStringList l;
     QDateTime dt = QDateTime::currentDateTime();
-    l << dt.toString() << "-" << QuString(da, "device") << "ERROR" << "NACK" << "1" << "high" << "-1" << "gr_handler" << QuString(da, "msg");
+    QString dev = QuString(da, "src");
+    dev = dev.section('/', 0, dev.count('/') - 1);
+    l << dt.toString() << "-" << dev << "ERROR" << "NACK" << "1" << "high" << "-1" << "gr_handler" << QuString(da, "msg");
     return l;
 }