/// <summary>
/// Creates a new <see cref="Web"/> object using a given provider and listen address.
/// </summary>
/// <param name="blockProvider">Provider for blocks to use.</param>
/// <param name="url">Address that the server listens on.</param>
public WebServer(IBlockProvider blockProvider, IAnimalProvider animalProvider, IPlantProvider plantProvider, string url, string webRoot)
{
if (blockProvider == null)
throw new ArgumentNullException(nameof(blockProvider));
if (animalProvider == null)
throw new ArgumentNullException(nameof(animalProvider));
if (plantProvider == null)
throw new ArgumentNullException(nameof(plantProvider));
if (Instance != null)
throw new InvalidOperationException(nameof(WebServer) + " is a singleton class and may not be instantiated multiple times.");
Instance = this;
// Set the providers
BlockProvider = blockProvider;
AnimalProvider = animalProvider;
PlantProvider = plantProvider;
try
{
// Start the server (/Katana/OWIN pipeline)
var options = new StartOptions();
options.Urls.Add(url);
_webServer = WebApp.Start(url, (app) => new Web.Startup(webRoot).Configuration(app));
}
catch (System.Reflection.TargetInvocationException ex)
{
// Because those exceptions usually are not helpful ("an invocation target has something something"), we'll rather throw the inner exception
if (ex.InnerException == null)
throw;
System.Runtime.ExceptionServices.ExceptionDispatchInfo.Capture(ex.InnerException).Throw();
}
// Get the hub contexts
_mapHubContext = GlobalHost.ConnectionManager.GetHubContext<Web.MapHub>();
}
/// <summary>
/// Disposes the server object.
/// </summary>
public void Dispose()
{
_webServer?.Dispose();
_webServer = null;
Instance = null;
}