update the wired network list after create new network by dbus method

confform.cpp

@@ -189,8 +189,6 @@ void ConfForm::on_btnCreate_clicked()
         this->on_btnOk_clicked();
     }
 
-    sleep(2);
-    emit this->updateNetList();
     this->hide();
 }
 

confform.h

@@ -64,9 +64,6 @@ private:
     QPoint dragPos;
     bool isActConf;
     bool isShowSaveBtn = true;
-
-signals:
-    void updateNetList();
 };
 
 #endif // CONFFORM_H

hot-spot/dlghotspotcreate.cpp

@@ -1,3 +1,21 @@
+/*
+ * Copyright (C) 2019 Tianjin KYLIN Information Technology Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/&gt;.
+ *
+ */
+
 #include "dlghotspotcreate.h"
 #include "ui_dlghotspotcreate.h"
 

kylin-dbus-interface.cpp

@@ -42,6 +42,11 @@ KylinDBus::KylinDBus(MainWindow *mainWindow, QObject *parent) :QObject(parent)
                                          QString("org.freedesktop.NetworkManager"),
                                          QString("DeviceRemoved"), mw, SLOT(onWirelessDeviceRemoved(QDBusObjectPath) ) );
 
+    QDBusConnection::systemBus().connect(QString("org.freedesktop.NetworkManager"),
+                                         QString("/org/freedesktop/NetworkManager/Settings"),
+                                         QString("org.freedesktop.NetworkManager.Settings"),
+                                         QString("NewConnection"), this, SLOT(onNewConnection(QDBusObjectPath) ) );
+
     QDBusConnection::systemBus().connect(QString("org.freedesktop.NetworkManager"),
                                          QString(wiredPath.path()),
                                          QString("org.freedesktop.NetworkManager.Device.Wired"),
@@ -63,6 +68,8 @@ KylinDBus::KylinDBus(MainWindow *mainWindow, QObject *parent) :QObject(parent)
     time = new QTimer(this);
     time->setTimerType(Qt::PreciseTimer);
     QObject::connect(time, SIGNAL(timeout()), this, SLOT(slot_timeout()));
+
+    QObject::connect(this, SIGNAL(updateWiredList(int)), mw, SLOT(onBtnNetListClicked(int)));
 }
 
 void KylinDBus::getObjectPath()
@@ -336,6 +343,27 @@ int KylinDBus::getLanConnState()
     return 0;
 }
 
+void KylinDBus::onNewConnection(QDBusObjectPath objPath)
+{
+    QDBusInterface m_interface("org.freedesktop.NetworkManager",
+                              objPath.path(),
+                              "org.freedesktop.NetworkManager.Settings.Connection",
+                              QDBusConnection::systemBus());
+    QDBusMessage result = m_interface.call("GetSettings");
+
+    const QDBusArgument &dbusArg1st = result.arguments().at( 0 ).value<QDBusArgument>();
+    QMap<QString,QMap<QString,QVariant>> map;
+    dbusArg1st >> map;
+
+    for(QString key : map.keys() ){
+        if (key == "802-3-ethernet") {
+            emit this->updateWiredList(0);
+            syslog(LOG_DEBUG, "A new wired network was created.");
+            qDebug()<<"A new wired network was created.";
+        }
+    }
+}
+
 void KylinDBus::onLanPropertyChanged(QVariantMap qvm)
 {
     if (!isRunningFunction) {

kylin-dbus-interface.h

@@ -40,6 +40,7 @@ public:
     QString dbusWifiMac = "";
 
 public slots:
+    void onNewConnection(QDBusObjectPath objPath);
     void onLanPropertyChanged(QVariantMap qvm);
     void onWifiPropertyChanged(QVariantMap qvm);
     void onAccessPointAdded(QDBusObjectPath objPath);
@@ -58,6 +59,10 @@ private:
     int a = 0;
     bool isRunningFunction = false;
     QTimer *time;
+
+signals:
+    void updateWiredList(int n);
+
 };
 
 #endif // KYLINDBUSINTERFACE_H

mainwindow.cpp

@@ -125,7 +125,7 @@ MainWindow::MainWindow(QWidget *parent) :
     lbNoItemTip = new QLabel(ui->centralWidget);
     lbNoItemTip->resize(200, 20);
     lbNoItemTip->move(this->width()/2 - 200/2 + 41/2, this->height()/2 + 96);
-    lbNoItemTip->setStyleSheet("QLabel{boder:none;background:transparent;font-size:14px;color:rgba(255,255,255,0.91);}");
+    lbNoItemTip->setStyleSheet("QLabel{border:none;background:transparent;font-size:14px;color:rgba(255,255,255,0.91);}");
     lbNoItemTip->setText(tr("No usable network in the list"));//列表暂无可连接网络
     lbNoItemTip->setAlignment(Qt::AlignCenter);
     lbNoItemTip->hide();
@@ -277,7 +277,12 @@ MainWindow::~MainWindow()
 
 void MainWindow::checkSingle()
 {
-    int fd = open("/tmp/kylin-nm-lock", O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
+    //int fd = open("/tmp/kylin-nm-lock", O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
+
+    QStringList homePath = QStandardPaths::standardLocations(QStandardPaths::HomeLocation);
+    QString lockPath = homePath.at(0) + "/.config/kylin-nm-lock";
+    int fd = open(lockPath.toUtf8().data(), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR);
+
     if (fd < 0) { exit(1); }
 
     if (lockf(fd, F_TLOCK, 0)) {
@@ -2368,7 +2373,6 @@ void MainWindow::onBtnAddNetClicked()
 void MainWindow::onBtnCreateNetClicked()
 {
     ConfForm *m_cf = new ConfForm();
-    connect(m_cf, SIGNAL(updateNetList()), this, SLOT(onBtnNetListClicked()));
     m_cf->cbTypeChanged(3);
     m_cf->show();
 }

mainwindow.h

@@ -42,6 +42,8 @@
 #include <QtDBus/QDBusObjectPath>
 #include <QDBusObjectPath>
 #include <QVariant>
+#include <QStandardPaths>
+#include <QStringList>
 
 #include <fcntl.h>
 #include <sys/types.h>

networkspeed.cpp

@@ -1,10 +1,25 @@
+/*
+ * Copyright (C) 2019 Tianjin KYLIN Information Technology Co., Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/&gt;.
+ *
+ */
+
 #include "networkspeed.h"
 #include <stdio.h>
 
-NetworkSpeed::NetworkSpeed(QObject *parent) :QObject(parent)
+NetworkSpeed::NetworkSpeed(QObject *parent) :QObject(parent){}
-{
-    qDebug()<<"debug: this is creator function of class NetworkSpeed";
-}
 
 int NetworkSpeed::getCurrentDownloadRates(char *netname, long *save_rate, long *tx_rate)
 {