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.Hosting/HostedServices/DiscoveryServiceHostedService.cs

@@ -0,0 +1,62 @@
+using System.Threading;
+using System.Threading.Tasks;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+using Serilog.Context;
+using ZB.MOM.WW.CBDDC.Network;
+
+namespace ZB.MOM.WW.CBDDC.Hosting.HostedServices;
+
+/// <summary>
+/// Hosted service that manages the lifecycle of the discovery service.
+/// </summary>
+public class DiscoveryServiceHostedService : IHostedService
+{
+    private readonly IDiscoveryService _discoveryService;
+    private readonly ILogger<DiscoveryServiceHostedService> _logger;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DiscoveryServiceHostedService"/> class.
+    /// </summary>
+    /// <param name="discoveryService">The discovery service to manage.</param>
+    /// <param name="logger">The logger used for service lifecycle events.</param>
+    public DiscoveryServiceHostedService(
+        IDiscoveryService discoveryService,
+        ILogger<DiscoveryServiceHostedService> logger)
+    {
+        _discoveryService = discoveryService;
+        _logger = logger;
+    }
+
+    /// <summary>
+    /// Starts the discovery service.
+    /// </summary>
+    /// <param name="cancellationToken">A token used to cancel the startup operation.</param>
+    /// <returns>A task that represents the asynchronous start operation.</returns>
+    public async Task StartAsync(CancellationToken cancellationToken)
+    {
+        using var serviceContext = LogContext.PushProperty("Service", nameof(DiscoveryServiceHostedService));
+        using var operationContext = LogContext.PushProperty("OperationId", Guid.NewGuid().ToString("N"));
+        using var actionContext = LogContext.PushProperty("Action", "Start");
+
+        _logger.LogInformation("Starting Discovery Service...");
+        await _discoveryService.Start();
+        _logger.LogInformation("Discovery Service started");
+    }
+
+    /// <summary>
+    /// Stops the discovery service.
+    /// </summary>
+    /// <param name="cancellationToken">A token used to cancel the shutdown operation.</param>
+    /// <returns>A task that represents the asynchronous stop operation.</returns>
+    public async Task StopAsync(CancellationToken cancellationToken)
+    {
+        using var serviceContext = LogContext.PushProperty("Service", nameof(DiscoveryServiceHostedService));
+        using var operationContext = LogContext.PushProperty("OperationId", Guid.NewGuid().ToString("N"));
+        using var actionContext = LogContext.PushProperty("Action", "Stop");
+
+        _logger.LogInformation("Stopping Discovery Service...");
+        await _discoveryService.Stop();
+        _logger.LogInformation("Discovery Service stopped");
+    }
+}