From d051df78b184f06b137d0d523045ad920fbb5d7b Mon Sep 17 00:00:00 2001
From: Ioannis Christoforidis
Date: Wed, 4 Dec 2019 19:51:34 +0100
Subject: make Network List refreshable; also add Link Speed of Device and
 generate warnings if under Gbit

---
 src/speedcheck.cpp   |  38 +++++++++++++++-----
 src/speedcheck.h     |   4 ++-
 src/ui/speedcheck.ui | 100 +++++++++++++++++++++++++++++++++++++++++++++++----
 3 files changed, 127 insertions(+), 15 deletions(-)

diff --git a/src/speedcheck.cpp b/src/speedcheck.cpp
index fae4b88..f4c7985 100644
--- a/src/speedcheck.cpp
+++ b/src/speedcheck.cpp
@@ -19,20 +19,16 @@ SpeedCheck::SpeedCheck(QString fileName)
 	  _fileName(fileName)
 {
 	_ui->setupUi(this);
-    QList<QNetworkInterface> interfaces = QNetworkInterface::allInterfaces();
-        foreach (QNetworkInterface iface, interfaces) {
-            if ((iface.flags().testFlag(QNetworkInterface::IsUp)) && !iface.flags().testFlag(QNetworkInterface::IsLoopBack)) {
-                _ui->comboBox->addItem(iface.name());
-            }
-        }
-
 	connect(_ui->btnStart, SIGNAL(clicked(bool)), this, SLOT(startClicked(bool)));
 	connect(_ui->btnQuit, SIGNAL(clicked(bool)), this, SLOT(quitClicked(bool)));
     connect(_ui->btnselect, SIGNAL(clicked(bool)), this, SLOT(selectClicked(bool)));
+    connect(_ui->btnrefreshNetwork, SIGNAL(clicked(bool)), this, SLOT(networkrefreshClicked(bool)));
+    connect(_ui->comboBox, SIGNAL(currentIndexChanged(int)), this, SLOT(updateNetworkInfos(int)));
     _ui->filelabel->setText("Selected File: " + _fileName);
 	_timer.setInterval(200);
 	connect(&_timer, SIGNAL(timeout()), this, SLOT(updateTimer()));
 	qsrand((uint)QCoreApplication::applicationPid());
+    networkrefreshClicked(true);
 }
 
 SpeedCheck::~SpeedCheck()
@@ -93,7 +89,33 @@ void SpeedCheck::testFinished()
     _ui->btnselect->setEnabled(true);
     _ui->comboBox->setEnabled(true);
 }
-
+void SpeedCheck::networkrefreshClicked(bool)
+{
+    while (_ui->comboBox->count() > 0) {
+        _ui->comboBox->removeItem(0);
+    }
+    QList<QNetworkInterface> interfaces = QNetworkInterface::allInterfaces();
+        foreach (QNetworkInterface iface, interfaces) {
+            if ((iface.flags().testFlag(QNetworkInterface::IsUp)) && !iface.flags().testFlag(QNetworkInterface::IsLoopBack)) {
+                _ui->comboBox->addItem(iface.name());
+            }
+        }
+}
+void SpeedCheck::updateNetworkInfos(int) {
+    QString path = "/sys/class/net/" + _ui->comboBox->currentText();
+    QFile file(path + "/speed");
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+            return;
+    QByteArray speed = file.readLine();
+    // Remove new line at End of the line
+    speed.remove(speed.length() - 1, 1);
+    if (speed.toInt() < 1000) {
+        QMessageBox::warning(NULL, "Warning","Link Speed Slow");
+        _ui->networkSpeed->setStyleSheet("QLabel {color:orange;}");
+        _ui->networkSpeed->setToolTip("Networkspeed slow!");
+    }
+    _ui->networkSpeed->setText(speed + " MB/s");
+}
 void SpeedCheck::updateTimer()
 {
 	_ui->picCpu->readNextValue();
diff --git a/src/speedcheck.h b/src/speedcheck.h
index 5d885da..1056b0a 100644
--- a/src/speedcheck.h
+++ b/src/speedcheck.h
@@ -22,7 +22,9 @@ private slots:
 	void logMessage(QString message);
 	void startClicked(bool);
     void selectClicked(bool);
-	void quitClicked(bool);
+    void quitClicked(bool);
+    void networkrefreshClicked(bool);
+    void updateNetworkInfos(int);
 	void testFinished();
 	void updateTimer();
 
diff --git a/src/ui/speedcheck.ui b/src/ui/speedcheck.ui
index 2188b31..4c04e69 100644
--- a/src/ui/speedcheck.ui
+++ b/src/ui/speedcheck.ui
@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>800</width>
+    <width>768</width>
     <height>600</height>
    </rect>
   </property>
@@ -29,13 +29,101 @@
      </widget>
     </item>
     <item>
-     <widget class="QComboBox" name="comboBox">
-      <property name="editable">
-       <bool>false</bool>
+     <widget class="QFrame" name="frame">
+      <property name="enabled">
+       <bool>true</bool>
       </property>
-      <property name="currentText">
-       <string/>
+      <property name="sizePolicy">
+       <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+        <horstretch>0</horstretch>
+        <verstretch>0</verstretch>
+       </sizepolicy>
+      </property>
+      <property name="frameShape">
+       <enum>QFrame::StyledPanel</enum>
+      </property>
+      <property name="frameShadow">
+       <enum>QFrame::Raised</enum>
       </property>
+      <widget class="QComboBox" name="comboBox">
+       <property name="geometry">
+        <rect>
+         <x>10</x>
+         <y>10</y>
+         <width>100</width>
+         <height>27</height>
+        </rect>
+       </property>
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Minimum" vsizetype="Expanding">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="minimumSize">
+        <size>
+         <width>100</width>
+         <height>0</height>
+        </size>
+       </property>
+       <property name="editable">
+        <bool>false</bool>
+       </property>
+       <property name="currentText">
+        <string/>
+       </property>
+      </widget>
+      <widget class="QPushButton" name="btnrefreshNetwork">
+       <property name="geometry">
+        <rect>
+         <x>120</x>
+         <y>10</y>
+         <width>150</width>
+         <height>27</height>
+        </rect>
+       </property>
+       <property name="sizePolicy">
+        <sizepolicy hsizetype="Minimum" vsizetype="Expanding">
+         <horstretch>0</horstretch>
+         <verstretch>0</verstretch>
+        </sizepolicy>
+       </property>
+       <property name="text">
+        <string>Refresh Interfaces</string>
+       </property>
+      </widget>
+      <widget class="QLabel" name="label_4">
+       <property name="geometry">
+        <rect>
+         <x>10</x>
+         <y>50</y>
+         <width>81</width>
+         <height>19</height>
+        </rect>
+       </property>
+       <property name="text">
+        <string>Link Speed:</string>
+       </property>
+      </widget>
+      <widget class="QLabel" name="networkSpeed">
+       <property name="geometry">
+        <rect>
+         <x>100</x>
+         <y>50</y>
+         <width>151</width>
+         <height>19</height>
+        </rect>
+       </property>
+       <property name="toolTip">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;test&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="whatsThis">
+        <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;test1&lt;/p&gt;&lt;p&gt;&lt;br/&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+       </property>
+       <property name="text">
+        <string>MB</string>
+       </property>
+      </widget>
      </widget>
     </item>
     <item>
-- 
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