/// <inheritdoc />
/// <summary>
/// Initializes a new <see cref="T:Platibus.IIS.PlatibusHttpHandler" /> with the configuration that will
/// eventually be returned by the supplied <paramref name="configuration" /> task.
/// </summary>
/// <param name="configuration">A task whose result is the configuration to use for this
/// handler</param>
public PlatibusHttpHandler(IIISConfiguration configuration)
{
_configuration = configuration ?? throw new ArgumentNullException(nameof(configuration));
var managedBus = BusManager.SingletonInstance.GetManagedBus(_configuration);
Bus = managedBus.Bus;
_resourceRouter = InitResourceRouter(_configuration, managedBus.TransportService);
}
/// <inheritdoc />
/// <summary>
/// Initializes a new <see cref="T:Platibus.IIS.PlatibusHttpHandler" /> with the configuration that will
/// eventually be returned by the supplied <paramref name="configuration" /> task.
/// </summary>
/// <param name="configuration">A task whose result is the configuration to use for this
/// handler</param>
public PlatibusHttpHandler(Task <IIISConfiguration> configuration)
: this(configuration?.GetResultFromCompletionSource())
{
_configuration = configuration?.GetResultFromCompletionSource() ?? throw new ArgumentNullException(nameof(configuration));
var managedBus = BusManager.SingletonInstance.GetManagedBus(_configuration);
Bus = managedBus.Bus;
_resourceRouter = InitResourceRouter(_configuration, managedBus.TransportService);
}
/// <inheritdoc />
/// <summary>
/// Inititializes a new <see cref="T:Platibus.IIS.PlatibusHttpHandler" /> with the specified
/// <paramref name="bus" /> and <paramref name="configuration" />
/// </summary>
/// <param name="configuration">The bus configuration</param>
/// <param name="bus">The initialized bus instance</param>
/// <param name="transportService"></param>
/// <remarks>
/// Used internally by <see cref="T:Platibus.IIS.PlatibusHttpModule" />. This method bypasses the
/// configuration cache and singleton diagnostic service and metrics collector.
/// </remarks>
internal PlatibusHttpHandler(IIISConfiguration configuration, IBus bus, HttpTransportService transportService)
{
_configuration = configuration ?? throw new ArgumentNullException(nameof(configuration));
Bus = bus ?? throw new ArgumentNullException(nameof(bus));
if (transportService == null)
{
throw new ArgumentNullException(nameof(transportService));
}
BaseUri = configuration.BaseUri;
_resourceRouter = InitResourceRouter(configuration, transportService);
}
private HttpServer(IHttpServerConfiguration configuration)
{
_baseUri = configuration.BaseUri;
_metricsCollector = new HttpMetricsCollector();
_diagnosticService = configuration.DiagnosticService;
_diagnosticService.AddSink(_metricsCollector);
_subscriptionTrackingService = configuration.SubscriptionTrackingService;
_messageQueueingService = configuration.MessageQueueingService;
_messageJournal = configuration.MessageJournal;
var transportServiceOptions = new HttpTransportServiceOptions(_baseUri, _messageQueueingService, _subscriptionTrackingService)
{
DiagnosticService = configuration.DiagnosticService,
Endpoints = configuration.Endpoints,
MessageJournal = configuration.MessageJournal,
BypassTransportLocalDestination = configuration.BypassTransportLocalDestination
};
TransportService = new HttpTransportService(transportServiceOptions);
_bus = new Bus(configuration, _baseUri, TransportService, _messageQueueingService);
var authorizationService = configuration.AuthorizationService;
_resourceRouter = new ResourceTypeDictionaryRouter(configuration.BaseUri)
{
{ "message", new MessageController(TransportService.ReceiveMessage, authorizationService) },
{ "topic", new TopicController(_subscriptionTrackingService, configuration.Topics, authorizationService) },
{ "journal", new JournalController(configuration.MessageJournal, configuration.AuthorizationService) },
{ "metrics", new MetricsController(_metricsCollector) }
};
_httpListener = InitHttpListener(_baseUri, configuration.AuthenticationSchemes);
var acceptBlockOptions = new ExecutionDataflowBlockOptions
{
CancellationToken = _cancellationTokenSource.Token
};
if (configuration.ConcurrencyLimit > 0)
{
acceptBlockOptions.MaxDegreeOfParallelism = configuration.ConcurrencyLimit;
}
_acceptBlock = new ActionBlock <HttpListenerContext>(async ctx => await Accept(ctx), acceptBlockOptions);
}
private async Task Init(CancellationToken cancellationToken = default(CancellationToken))
{
_configuration = await IISConfigurationManager.LoadConfiguration();
_baseUri = _configuration.BaseUri;
_subscriptionTrackingService = _configuration.SubscriptionTrackingService;
_messageQueueingService = _configuration.MessageQueueingService;
_messageJournalingService = _configuration.MessageJournalingService;
var endpoints = _configuration.Endpoints;
_transportService = new HttpTransportService(_baseUri, endpoints, _messageQueueingService, _messageJournalingService, _subscriptionTrackingService);
_bus = new Bus(_configuration, _baseUri, _transportService, _messageQueueingService);
await _transportService.Init(cancellationToken);
await _bus.Init(cancellationToken);
_resourceRouter = new ResourceTypeDictionaryRouter
{
{"message", new MessageController(_bus.HandleMessage)},
{"topic", new TopicController(_subscriptionTrackingService, _configuration.Topics)}
};
}
private HttpServer(IHttpServerConfiguration configuration)
{
_baseUri = configuration.BaseUri;
_subscriptionTrackingService = configuration.SubscriptionTrackingService;
_messageQueueingService = configuration.MessageQueueingService;
_messageJournalingService = configuration.MessageJournalingService;
var endpoints = configuration.Endpoints;
_transportService = new HttpTransportService(_baseUri, endpoints, _messageQueueingService, _messageJournalingService, _subscriptionTrackingService);
_bus = new Bus(configuration, _baseUri, _transportService, _messageQueueingService);
_resourceRouter = new ResourceTypeDictionaryRouter
{
{"message", new MessageController(_bus.HandleMessage)},
{"topic", new TopicController(_subscriptionTrackingService, configuration.Topics)}
};
_httpListener = InitHttpListener(_baseUri, configuration.AuthenticationSchemes);
}
public PlatibusMiddleware(RequestDelegate next, IHttpResourceRouter resourceRouter, IDiagnosticService diagnosticService)
{
_next = next;
_diagnosticService = diagnosticService ?? DiagnosticService.DefaultInstance;
_resourceRouter = resourceRouter ?? throw new ArgumentNullException(nameof(resourceRouter));
}
