Add network test option to PC context menu

app/gui/NavigableMessageDialog.qml

@@ -6,6 +6,8 @@ NavigableDialog {
     id: dialog
 
     property alias text: dialogLabel.dialogText
+    property alias showSpinner: dialogSpinner.visible
+    property alias imageSrc: dialogImage.source
 
     property string helpText
     property string helpUrl : "https://github.com/moonlight-stream/moonlight-docs/wiki/Troubleshooting"
@@ -19,7 +21,13 @@ NavigableDialog {
     RowLayout {
         spacing: 10
 
+        BusyIndicator {
+            id: dialogSpinner
+            visible: false
+        }
+
         Image {
+            id: dialogImage
             source: (standardButtons & Dialog.Yes) ?
                         "qrc:/res/baseline-help_outline-24px.svg" :
                         "qrc:/res/baseline-error_outline-24px.svg"
@@ -28,6 +36,7 @@ NavigableDialog {
                 width: 50
                 height: 50
             }
+            visible: !showSpinner
         }
 
         Label {

app/gui/PcView.qml

@@ -79,6 +79,7 @@ CenteredGridView {
         var model = Qt.createQmlObject('import ComputerModel 1.0; ComputerModel {}', parent, '')
         model.initialize(ComputerManager)
         model.pairingCompleted.connect(pairingComplete)
+        model.connectionTestCompleted.connect(testConnectionDialog.connectionTestComplete)
         return model
     }
 
@@ -184,6 +185,15 @@ CenteredGridView {
                 onTriggered: computerModel.wakeComputer(index)
                 visible: !model.online && model.wakeable
             }
+            NavigableMenuItem {
+                parentMenu: pcContextMenu
+                text: "Test Network"
+                onTriggered: {
+                    computerModel.testConnectionForComputer(index)
+                    testConnectionDialog.open()
+                }
+            }
+
             NavigableMenuItem {
                 parentMenu: pcContextMenu
                 text: "Rename PC"
@@ -302,6 +312,37 @@ CenteredGridView {
         onAccepted: deletePc()
     }
 
+    NavigableMessageDialog {
+        id: testConnectionDialog
+        closePolicy: Popup.CloseOnEscape
+        standardButtons: Dialog.Ok
+
+        onAboutToShow: {
+            testConnectionDialog.text = "Moonlight is testing your network connection to determine if NVIDIA GameStream is blocked.\n\nThis may take a few seconds…"
+            showSpinner = true
+        }
+
+        function connectionTestComplete(result, blockedPorts)
+        {
+            if (result === -1) {
+                text = "The network test could not be performed because none of Moonlight's connection testing servers were reachable from this PC. Check your Internet connection or try again later."
+                imageSrc = "qrc:/res/baseline-warning-24px.svg"
+            }
+            else if (result === 0) {
+                text = "This network does not appear to be blocking Moonlight. If you still have trouble connecting, check your PC's firewall settings.\n\nIf you are trying to stream over the Internet, install the Moonlight Internet Hosting Tool on your gaming PC and run the included Internet Streaming Tester to check your gaming PC's Internet connection."
+                imageSrc = "qrc:/res/baseline-check_circle_outline-24px.svg"
+            }
+            else {
+                text = "Your PC's current network connection seems to be blocking Moonlight. Streaming over the Internet may not work while connected to this network.\n\nThe following network ports were blocked:\n"
+                text += blockedPorts
+                imageSrc = "qrc:/res/baseline-error_outline-24px.svg"
+            }
+
+            // Stop showing the spinner and show the image instead
+            showSpinner = false
+        }
+    }
+
     NavigableDialog {
         id: renamePcDialog
         property string label: "Enter the new name for this PC:"

app/gui/computermodel.cpp

@@ -147,6 +147,52 @@ QString ComputerModel::generatePinString()
     return QString::asprintf("%04u", dist(engine));
 }
 
+class DeferredTestConnectionTask : public QObject, public QRunnable
+{
+    Q_OBJECT
+public:
+    void run()
+    {
+        unsigned int portTestResult = LiTestClientConnectivity("qt.conntest.moonlight-stream.org", 443, ML_PORT_FLAG_ALL);
+        if (portTestResult == ML_TEST_RESULT_INCONCLUSIVE) {
+            emit connectionTestCompleted(-1, QString());
+        }
+        else {
+            QString blockedPorts;
+
+            for (int i = 0; i < 32; i++) {
+                if (portTestResult & (1 << i)) {
+                    if (!blockedPorts.isEmpty()) {
+                        blockedPorts += "\n";
+                    }
+
+                    if (LiGetProtocolFromPortFlagIndex(i) == 17 /* IPPROTO_UDP */) {
+                        blockedPorts += "UDP ";
+                    }
+                    else {
+                        blockedPorts += "TCP ";
+                    }
+
+                    blockedPorts += QString::number(LiGetPortFromPortFlagIndex(i));
+                }
+            }
+
+            emit connectionTestCompleted(portTestResult, blockedPorts);
+        }
+    }
+
+signals:
+    void connectionTestCompleted(int result, QString blockedPorts);
+};
+
+void ComputerModel::testConnectionForComputer(int)
+{
+    DeferredTestConnectionTask* testConnectionTask = new DeferredTestConnectionTask();
+    QObject::connect(testConnectionTask, &DeferredTestConnectionTask::connectionTestCompleted,
+                     this, &ComputerModel::connectionTestCompleted);
+    QThreadPool::globalInstance()->start(testConnectionTask);
+}
+
 void ComputerModel::pairComputer(int computerIndex, QString pin)
 {
     Q_ASSERT(computerIndex < m_Computers.count());
@@ -177,3 +223,4 @@ void ComputerModel::handleComputerStateChanged(NvComputer* computer)
     }
 }
 
+#include "computermodel.moc"

app/gui/computermodel.h

@@ -35,6 +35,8 @@ public:
 
     Q_INVOKABLE void pairComputer(int computerIndex, QString pin);
 
+    Q_INVOKABLE void testConnectionForComputer(int computerIndex);
+
     Q_INVOKABLE void wakeComputer(int computerIndex);
 
     Q_INVOKABLE void renameComputer(int computerIndex, QString name);
@@ -43,6 +45,7 @@ public:
 
 signals:
     void pairingCompleted(QVariant error);
+    void connectionTestCompleted(int result, QString blockedPorts);
 
 private slots:
     void handleComputerStateChanged(NvComputer* computer);

app/res/baseline-check_circle_outline-24px.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" height="24" viewBox="0 0 24 24" width="24" fill="#FFFFFF"><path d="M0 0h24v24H0V0zm0 0h24v24H0V0z" fill="none"/><path d="M16.59 7.58L10 14.17l-3.59-3.58L5 12l5 5 8-8zM12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8z"/></svg>

app/resources.qrc

@@ -15,6 +15,7 @@
         <file>res/update.svg</file>
         <file>res/baseline-help_outline-24px.svg</file>
         <file>res/baseline-error_outline-24px.svg</file>
+        <file>res/baseline-check_circle_outline-24px.svg</file>
     </qresource>
     <qresource prefix="/data">
         <file alias="gamecontrollerdb.txt">SDL_GameControllerDB/gamecontrollerdb.txt</file>