From cf924f7b2aa883fd2fdcd7cdfc197b951c4bd230 Mon Sep 17 00:00:00 2001
From: holger <holger@boerchers.org>
Date: Fri, 17 Nov 2023 21:21:54 +0100
Subject: [PATCH] implemented evaluation of ip addresses

---
 .idea/.idea.SddpViewer/.idea/.gitignore      | 13 +++
 .idea/.idea.SddpViewer/.idea/avalonia.xml    | 10 +++
 .idea/.idea.SddpViewer/.idea/encodings.xml   |  4 +
 .idea/.idea.SddpViewer/.idea/indexLayout.xml |  8 ++
 .idea/.idea.SddpViewer/.idea/vcs.xml         |  6 ++
 App.axaml.cs                                 |  2 +-
 DiscoveredDeviceViewModel.cs                 | 92 ++++++++++----------
 MainWindow.axaml                             | 33 ++++---
 MainWindow.axaml.cs                          |  2 +-
 MainWindowViewModel.cs                       | 80 +++++++++++------
 NetworkAdapter.cs                            | 31 +++++++
 Program.cs                                   | 11 +--
 12 files changed, 192 insertions(+), 100 deletions(-)
 create mode 100644 .idea/.idea.SddpViewer/.idea/.gitignore
 create mode 100644 .idea/.idea.SddpViewer/.idea/avalonia.xml
 create mode 100644 .idea/.idea.SddpViewer/.idea/encodings.xml
 create mode 100644 .idea/.idea.SddpViewer/.idea/indexLayout.xml
 create mode 100644 .idea/.idea.SddpViewer/.idea/vcs.xml
 create mode 100644 NetworkAdapter.cs

diff --git a/.idea/.idea.SddpViewer/.idea/.gitignore b/.idea/.idea.SddpViewer/.idea/.gitignore
new file mode 100644
index 0000000..85bf2d1
--- /dev/null
+++ b/.idea/.idea.SddpViewer/.idea/.gitignore
@@ -0,0 +1,13 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Rider ignored files
+/modules.xml
+/projectSettingsUpdater.xml
+/.idea.SddpViewer.iml
+/contentModel.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/.idea.SddpViewer/.idea/avalonia.xml b/.idea/.idea.SddpViewer/.idea/avalonia.xml
new file mode 100644
index 0000000..cad2c12
--- /dev/null
+++ b/.idea/.idea.SddpViewer/.idea/avalonia.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AvaloniaProject">
+    <option name="projectPerEditor">
+      <map>
+        <entry key="MainWindow.axaml" value="SddpViewer.csproj" />
+      </map>
+    </option>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/.idea.SddpViewer/.idea/encodings.xml b/.idea/.idea.SddpViewer/.idea/encodings.xml
new file mode 100644
index 0000000..df87cf9
--- /dev/null
+++ b/.idea/.idea.SddpViewer/.idea/encodings.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding" addBOMForNewFiles="with BOM under Windows, with no BOM otherwise" />
+</project>
\ No newline at end of file
diff --git a/.idea/.idea.SddpViewer/.idea/indexLayout.xml b/.idea/.idea.SddpViewer/.idea/indexLayout.xml
new file mode 100644
index 0000000..7b08163
--- /dev/null
+++ b/.idea/.idea.SddpViewer/.idea/indexLayout.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="UserContentModel">
+    <attachedFolders />
+    <explicitIncludes />
+    <explicitExcludes />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/.idea.SddpViewer/.idea/vcs.xml b/.idea/.idea.SddpViewer/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/.idea.SddpViewer/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/App.axaml.cs b/App.axaml.cs
index 8b7ca73..ec292cc 100644
--- a/App.axaml.cs
+++ b/App.axaml.cs
@@ -20,4 +20,4 @@ public partial class App : Application
 
         base.OnFrameworkInitializationCompleted();
     }
-}
\ No newline at end of file
+}
diff --git a/DiscoveredDeviceViewModel.cs b/DiscoveredDeviceViewModel.cs
index 897ebc8..68ac14a 100644
--- a/DiscoveredDeviceViewModel.cs
+++ b/DiscoveredDeviceViewModel.cs
@@ -1,53 +1,53 @@
 namespace SddpViewer
 {
-  using System;
-  using System.Threading.Tasks;
+    using System;
+    using System.Threading.Tasks;
 
-  using CommunityToolkit.Mvvm.ComponentModel;
+    using CommunityToolkit.Mvvm.ComponentModel;
 
-  using Rssdp;
+    using Rssdp;
 
-  public partial class DiscoveredDeviceViewModel : ObservableObject
-  {
-    private readonly DiscoveredSsdpDevice device;
-
-    public DiscoveredDeviceViewModel(DiscoveredSsdpDevice device)
+    public partial class DiscoveredDeviceViewModel : ObservableObject
     {
-      this.device = device;
+        private readonly DiscoveredSsdpDevice device;
+
+        public DiscoveredDeviceViewModel(DiscoveredSsdpDevice device)
+        {
+            this.device = device;
+        }
+
+        /// <summary>
+        /// Sets or returns the type of notification, being either a uuid, device type, service type or upnp:rootdevice.
+        /// </summary>
+        public string NotificationType => this.device.NotificationType;
+
+        /// <summary>
+        /// Sets or returns the universal service name (USN) of the device.
+        /// </summary>
+        public string Usn => this.device.Usn;
+
+        /// <summary>
+        /// Sets or returns a URL pointing to the device description document for this device.
+        /// </summary>
+        public Uri DescriptionLocation => this.device.DescriptionLocation;
+
+        /// <summary>
+        /// Sets or returns the length of time this information is valid for (from the <see cref="P:Rssdp.DiscoveredSsdpDevice.AsAt" /> time).
+        /// </summary>
+        public TimeSpan CacheLifetime => this.device.CacheLifetime;
+
+        /// <summary>
+        /// Sets or returns the date and time this information was received.
+        /// </summary>
+        public DateTimeOffset AsAt => this.device.AsAt;
+
+        [ObservableProperty]
+        private string _friendlyName = "";
+
+        public async Task GetFurtherInformationAsync()
+        {
+            var ssdpDevice = await this.device.GetDeviceInfo().ConfigureAwait(false);
+            FriendlyName = ssdpDevice.FriendlyName;
+        }
     }
-
-    /// <summary>
-    /// Sets or returns the type of notification, being either a uuid, device type, service type or upnp:rootdevice.
-    /// </summary>
-    public string NotificationType => this.device.NotificationType;
-
-    /// <summary>
-    /// Sets or returns the universal service name (USN) of the device.
-    /// </summary>
-    public string Usn => this.device.Usn;
-
-    /// <summary>
-    /// Sets or returns a URL pointing to the device description document for this device.
-    /// </summary>
-    public Uri DescriptionLocation => this.device.DescriptionLocation;
-
-    /// <summary>
-    /// Sets or returns the length of time this information is valid for (from the <see cref="P:Rssdp.DiscoveredSsdpDevice.AsAt" /> time).
-    /// </summary>
-    public TimeSpan CacheLifetime => this.device.CacheLifetime;
-
-    /// <summary>
-    /// Sets or returns the date and time this information was received.
-    /// </summary>
-    public DateTimeOffset AsAt => this.device.AsAt;
-
-    [ObservableProperty]
-    private string _friendlyName = "";
-
-    public async Task GetFurtherInformationAsync()
-    {
-      var ssdpDevice = await this.device.GetDeviceInfo().ConfigureAwait(false);
-      FriendlyName = ssdpDevice.FriendlyName;
-    }
-  }
-}
\ No newline at end of file
+}
diff --git a/MainWindow.axaml b/MainWindow.axaml
index 76c9f27..ccc749d 100644
--- a/MainWindow.axaml
+++ b/MainWindow.axaml
@@ -1,35 +1,34 @@
 <Window
-    x:Class="SddpViewer.MainWindow"
-    xmlns="https://github.com/avaloniaui"
-    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
-    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-    xmlns:sddpViewer="clr-namespace:SddpViewer"
     Title="SDDP viewer"
     d:DesignHeight="450"
     d:DesignWidth="800"
+    mc:Ignorable="d"
+    x:Class="SddpViewer.MainWindow"
     x:CompileBindings="True"
     x:DataType="sddpViewer:MainWindowViewModel"
-    mc:Ignorable="d">
+    xmlns="https://github.com/avaloniaui"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:sddpViewer="clr-namespace:SddpViewer"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
     <Window.DataContext>
         <sddpViewer:MainWindowViewModel />
     </Window.DataContext>
     <Grid RowDefinitions="Auto, *">
         <StackPanel Margin="10" Spacing="5">
-            <TextBlock Text="Settings" />
-            <TextBox
-                Text="{Binding DeviceIpAddress}"
-                UseFloatingWatermark="True"
-                Watermark="Device IP Address" />
-            <TextBox
-                Text="{Binding NotificationFilter}"
-                UseFloatingWatermark="True"
-                Watermark="Notification filter" />
+            <TextBlock Text="Device IP Address" />
+            <ComboBox
+                DisplayMemberBinding="{Binding DisplayName}"
+                HorizontalAlignment="Stretch"
+                ItemsSource="{Binding NetworkAdapters}"
+                SelectedItem="{Binding SelectedNetworkAdapter}" />
+            <TextBlock Text="Notification filter" />
+            <TextBox Text="{Binding NotificationFilter}" />
             <Button Command="{Binding SearchDevicesNowCommand}" Content="Search now" />
         </StackPanel>
         <DataGrid
-            Grid.Row="1"
             AutoGenerateColumns="True"
+            Grid.Row="1"
             IsReadOnly="True"
             ItemsSource="{Binding SddpDevices}" />
     </Grid>
diff --git a/MainWindow.axaml.cs b/MainWindow.axaml.cs
index befcecb..dc452c7 100644
--- a/MainWindow.axaml.cs
+++ b/MainWindow.axaml.cs
@@ -8,4 +8,4 @@ public partial class MainWindow : Window
     {
         InitializeComponent();
     }
-}
\ No newline at end of file
+}
diff --git a/MainWindowViewModel.cs b/MainWindowViewModel.cs
index bbfbabb..866d293 100644
--- a/MainWindowViewModel.cs
+++ b/MainWindowViewModel.cs
@@ -1,4 +1,10 @@
-namespace SddpViewer;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.NetworkInformation;
+using System.Net.Sockets;
+
+namespace SddpViewer;
 
 using System.Collections.ObjectModel;
 using System.Threading.Tasks;
@@ -10,35 +16,53 @@ using Rssdp;
 
 public partial class MainWindowViewModel : ObservableObject
 {
-  [ObservableProperty]
-  private string _deviceIpAddress = "192.168.42.193";
-
-  [ObservableProperty]
-  private string _notificationFilter = "upnp:rootdevice";
-
-  public ObservableCollection<DiscoveredDeviceViewModel> SddpDevices { get; } = new();
-
-  [RelayCommand(AllowConcurrentExecutions = false)]
-  private async Task SearchDevicesNowAsync()
-  {
-    SddpDevices.Clear();
-    var locator = new SsdpDeviceLocator(DeviceIpAddress);
-    if (!string.IsNullOrWhiteSpace(NotificationFilter))
+    public MainWindowViewModel()
     {
-      locator.NotificationFilter = NotificationFilter;
+        NetworkAdapters = NetworkAdapter.GetAvailableNetworkAdapter().ToArray();
+        SelectedNetworkAdapter = NetworkAdapters.FirstOrDefault();
     }
-    var availableDevices = await locator.SearchAsync().ConfigureAwait(true);
-    foreach (var ssdpDevice in availableDevices)
+
+    [ObservableProperty]
+    private IReadOnlyList<NetworkAdapter> _networkAdapters;
+
+    [ObservableProperty]
+    private NetworkAdapter? _selectedNetworkAdapter;
+
+    [ObservableProperty]
+    private string _deviceIpAddress = "192.168.42.193";
+
+    [ObservableProperty]
+    private string _notificationFilter = "upnp:rootdevice";
+
+    public ObservableCollection<DiscoveredDeviceViewModel> SddpDevices { get; } = new();
+
+    [RelayCommand(AllowConcurrentExecutions = false)]
+    private async Task SearchDevicesNowAsync()
     {
-        var discoveredDeviceViewModel = new DiscoveredDeviceViewModel(ssdpDevice);
-        SddpDevices.Add(discoveredDeviceViewModel);
+        SddpDevices.Clear();
+        if (SelectedNetworkAdapter is null)
+        {
+            throw new NotSupportedException();
+        }
+        var locator = new SsdpDeviceLocator(SelectedNetworkAdapter.IpAddress.ToString());
+        if (!string.IsNullOrWhiteSpace(NotificationFilter))
+        {
+            locator.NotificationFilter = NotificationFilter;
+        }
+        var availableDevices = await locator.SearchAsync().ConfigureAwait(true);
+        foreach (var ssdpDevice in availableDevices)
+        {
+            var discoveredDeviceViewModel = new DiscoveredDeviceViewModel(ssdpDevice);
+            SddpDevices.Add(discoveredDeviceViewModel);
+        }
+        await Parallel
+            .ForEachAsync(
+                SddpDevices,
+                async (device, token) =>
+                {
+                    await device.GetFurtherInformationAsync().ConfigureAwait(true);
+                }
+            )
+            .ConfigureAwait(true);
     }
-    await Parallel.ForEachAsync(
-      SddpDevices,
-      async (device, token) =>
-      {
-        await device.GetFurtherInformationAsync().ConfigureAwait(true);
-      }
-    ).ConfigureAwait(true);
-  }
 }
diff --git a/NetworkAdapter.cs b/NetworkAdapter.cs
new file mode 100644
index 0000000..b4ccbf7
--- /dev/null
+++ b/NetworkAdapter.cs
@@ -0,0 +1,31 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Net.NetworkInformation;
+using System.Net.Sockets;
+
+namespace SddpViewer;
+
+public record NetworkAdapter(string Name, IPAddress IpAddress)
+{
+    public string DisplayName => $"{Name} - {IpAddress}";
+
+    public static IEnumerable<NetworkAdapter> GetAvailableNetworkAdapter()
+    {
+        foreach (var nic in NetworkInterface.GetAllNetworkInterfaces())
+        {
+            if (nic.OperationalStatus != OperationalStatus.Up)
+                continue;
+            if (nic.NetworkInterfaceType == NetworkInterfaceType.Loopback)
+                continue;
+            var physicalAddress = nic.GetIPProperties()
+                .UnicastAddresses.FirstOrDefault(
+                    x => x.Address.AddressFamily == AddressFamily.InterNetwork
+                );
+            if (physicalAddress is not null)
+            {
+                yield return new NetworkAdapter(nic.Name, physicalAddress.Address);
+            }
+        }
+    }
+}
diff --git a/Program.cs b/Program.cs
index b64bcf5..b52fa6d 100644
--- a/Program.cs
+++ b/Program.cs
@@ -9,13 +9,10 @@ class Program
     // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
     // yet and stuff might break.
     [STAThread]
-    public static void Main(string[] args) => BuildAvaloniaApp()
-        .StartWithClassicDesktopLifetime(args);
+    public static void Main(string[] args) =>
+        BuildAvaloniaApp().StartWithClassicDesktopLifetime(args);
 
     // Avalonia configuration, don't remove; also used by visual designer.
-    public static AppBuilder BuildAvaloniaApp()
-        => AppBuilder.Configure<App>()
-            .UsePlatformDetect()
-            .WithInterFont()
-            .LogToTrace();
+    public static AppBuilder BuildAvaloniaApp() =>
+        AppBuilder.Configure<App>().UsePlatformDetect().WithInterFont().LogToTrace();
 }