Initial import of the CBDDC codebase with docs and tests. Add a .NET-focused gitignore to keep generated artifacts out of source control.

src/ZB.MOM.WW.CBDDC.Core/Network/StaticPeerNodeConfigurationProvider.cs

@@ -0,0 +1,59 @@
+using System.Threading.Tasks;
+
+namespace ZB.MOM.WW.CBDDC.Core.Network;
+
+/// <summary>
+/// Provides peer node configuration from an in-memory static source.
+/// </summary>
+public class StaticPeerNodeConfigurationProvider : IPeerNodeConfigurationProvider
+{
+    private PeerNodeConfiguration _configuration = new();
+
+    /// <summary>
+    /// Gets or sets the current peer node configuration.
+    /// </summary>
+    public PeerNodeConfiguration Configuration
+    {
+        get => _configuration;
+        set
+        {
+            if (_configuration != value)
+            {
+                _configuration = value;
+                OnConfigurationChanged(_configuration);
+            }
+        }
+    }
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="StaticPeerNodeConfigurationProvider"/> class.
+    /// </summary>
+    /// <param name="configuration">The initial peer node configuration.</param>
+    public StaticPeerNodeConfigurationProvider(PeerNodeConfiguration configuration)
+    {
+        Configuration = configuration;
+    }
+
+    /// <summary>
+    /// Occurs when the peer node configuration changes.
+    /// </summary>
+    public event PeerNodeConfigurationChangedEventHandler? ConfigurationChanged;
+
+    /// <summary>
+    /// Gets the current peer node configuration.
+    /// </summary>
+    /// <returns>A task whose result is the current configuration.</returns>
+    public Task<PeerNodeConfiguration> GetConfiguration()
+    {
+        return Task.FromResult(Configuration);
+    }
+
+    /// <summary>
+    /// Raises the <see cref="ConfigurationChanged"/> event.
+    /// </summary>
+    /// <param name="newConfig">The new peer node configuration.</param>
+    protected virtual void OnConfigurationChanged(PeerNodeConfiguration newConfig)
+    {
+        ConfigurationChanged?.Invoke(this, newConfig);
+    }
+}