Shows using an EventHandler in a dependency within a ServiceStack service

EventHandlerSample.cs

using System;
using ServiceStack;
using Funq;
using System.Timers;

namespace RedisTest
{
	class MainClass
	{
		public static void Main()
		{
			var appHost = new AppHost();
			appHost.Init();
			appHost.Start("http://*:9000/");
			Console.ReadKey();
		}
	}

	public class AppHost : AppHostHttpListenerBase
	{
		public AppHost() : base("Test", typeof(AppHost).Assembly) { }

		public override void Configure(Container container)
		{
			var dashboard = new DashboardAdapter();
			container.Register(dashboard);
		}
	}

	// As simple DashboardAdapter that toggles between isConnected and triggers the event
	public class DashboardAdapter
	{
		public event ConnectionHandler OnConnection;
		public delegate void ConnectionHandler(object sender, ConnectionEventArgs e);
		readonly Timer timer;
		bool isConnected;

		public DashboardAdapter()
		{
			Console.WriteLine("Created Dashboard Adapter");
			timer = new Timer(10000);
			timer.Elapsed += (sender, args) => {
				isConnected = !isConnected;
				Console.WriteLine("Dashboard IsConnected: {0}", isConnected);
				OnConnection(this, new ConnectionEventArgs { IsConnected = isConnected });
			};
			timer.Start();
		}
	}

	public class DashboardService : Service
	{
		readonly DashboardAdapter _dashboardAdapter;
		bool _isConnected;

		public DashboardService(DashboardAdapter dashboardAdapter)
		{
			_dashboardAdapter = dashboardAdapter;
			_dashboardAdapter.OnConnection += OnConnection;
		}

		public object Get(DashboardRequest request)
		{
			// Wait until the connection is established
			while(!_isConnected)
				Console.Write(".");

			Console.WriteLine("\nConnected!");
			return new Dashboard { IsConnected = _isConnected };
		}

		void OnConnection(object sender, ConnectionEventArgs e)
		{
			Console.WriteLine("Service OnConnection IsConnected: {0}", e.IsConnected);
			_isConnected = e.IsConnected;
		}
	}

	[Route("/dashboard","GET")]
	public class DashboardRequest
	{
	}

	public class Dashboard
	{
		public bool IsConnected { get; set; }
	}

	public class ConnectionEventArgs
	{
		public bool IsConnected { get; set; }
	}
}