public ServiceConnectionProxy(
ConnectionDelegate callback = null,
PipeOptions clientPipeOptions = null,
Func <Func <TestConnection, Task>, TestConnectionFactory> connectionFactoryCallback = null,
int connectionCount = 1)
{
ConnectionFactory = connectionFactoryCallback?.Invoke(ConnectionFactoryCallbackAsync) ?? new TestConnectionFactory(ConnectionFactoryCallbackAsync);
ClientConnectionManager = new ClientConnectionManager();
_clientPipeOptions = clientPipeOptions;
ConnectionDelegateCallback = callback ?? OnConnectionAsync;
ServerNameProvider = new DefaultServerNameProvider();
// these two lines should be located in the end of this constructor.
ServiceConnectionContainer = new StrongServiceConnectionContainer(this, connectionCount, new HubServiceEndpoint("", null, null), NullLogger.Instance);
ServiceMessageHandler = (StrongServiceConnectionContainer)ServiceConnectionContainer;
}
internal static ServiceHubDispatcher PrepareAndGetDispatcher(IAppBuilder builder, HubConfiguration configuration, ServiceOptions options, string applicationName, ILoggerFactory loggerFactory)
{
// Ensure we have the conversions for MS.Owin so that
// the app builder respects the OwinMiddleware base class
SignatureConversions.AddConversions(builder);
// ServiceEndpointManager needs the logger
var hubs = GetAvailableHubNames(configuration);
// Get the one from DI or new a default one
var router = configuration.Resolver.Resolve <IEndpointRouter>() ?? new DefaultEndpointRouter();
var serverNameProvider = configuration.Resolver.Resolve <IServerNameProvider>();
if (serverNameProvider == null)
{
serverNameProvider = new DefaultServerNameProvider();
configuration.Resolver.Register(typeof(IServerNameProvider), () => serverNameProvider);
}
var endpoint = new ServiceEndpointManager(serverNameProvider, options, loggerFactory);
configuration.Resolver.Register(typeof(IServiceEndpointManager), () => endpoint);
var requestIdProvider = configuration.Resolver.Resolve <IConnectionRequestIdProvider>();
if (requestIdProvider == null)
{
requestIdProvider = new DefaultConnectionRequestIdProvider();
configuration.Resolver.Register(typeof(IConnectionRequestIdProvider), () => requestIdProvider);
}
builder.Use <NegotiateMiddleware>(configuration, applicationName, endpoint, router, options, serverNameProvider, requestIdProvider, loggerFactory);
builder.RunSignalR(configuration);
// Fetch the trace manager from DI and add logger provider
var traceManager = configuration.Resolver.Resolve <ITraceManager>();
if (traceManager != null)
{
loggerFactory.AddProvider(new TraceManagerLoggerProvider(traceManager));
}
configuration.Resolver.Register(typeof(ILoggerFactory), () => loggerFactory);
// TODO: Using IOptions looks wierd, thinking of a way removing it
// share the same object all through
var serviceOptions = Options.Create(options);
// For safety, ALWAYS register abstract classes or interfaces
// Some third-party DI frameworks such as Ninject, implicit self-binding concrete types:
// https://github.com/ninject/ninject/wiki/dependency-injection-with-ninject#skipping-the-type-binding-bit--implicit-self-binding-of-concrete-types
configuration.Resolver.Register(typeof(IOptions <ServiceOptions>), () => serviceOptions);
var serviceProtocol = new ServiceProtocol();
configuration.Resolver.Register(typeof(IServiceProtocol), () => serviceProtocol);
// allow override from tests
var scm = configuration.Resolver.Resolve <IServiceConnectionManager>();
if (scm == null)
{
scm = new ServiceConnectionManager(applicationName, hubs);
configuration.Resolver.Register(typeof(IServiceConnectionManager), () => scm);
}
var ccm = configuration.Resolver.Resolve <IClientConnectionManager>();
if (ccm == null)
{
ccm = new ClientConnectionManager(configuration, loggerFactory);
configuration.Resolver.Register(typeof(IClientConnectionManager), () => ccm);
}
var atm = new AzureTransportManager(configuration.Resolver);
configuration.Resolver.Register(typeof(ITransportManager), () => atm);
var parser = new SignalRMessageParser(hubs, configuration.Resolver, loggerFactory.CreateLogger <SignalRMessageParser>());
configuration.Resolver.Register(typeof(IMessageParser), () => parser);
var smb = new ServiceMessageBus(configuration.Resolver, loggerFactory.CreateLogger <ServiceMessageBus>());
configuration.Resolver.Register(typeof(IMessageBus), () => smb);
var scf = configuration.Resolver.Resolve <IServiceConnectionFactory>();
if (scf == null)
{
var connectionFactory = new ConnectionFactory(serverNameProvider, loggerFactory);
scf = new ServiceConnectionFactory(serviceProtocol, ccm, connectionFactory, loggerFactory, serverNameProvider);
configuration.Resolver.Register(typeof(IServiceConnectionFactory), () => scf);
}
var sccf = new ServiceConnectionContainerFactory(scf, endpoint, router, options, loggerFactory);
if (hubs?.Count > 0)
{
return(new ServiceHubDispatcher(hubs, scm, sccf, serviceOptions, loggerFactory));
}
else
{
loggerFactory.CreateLogger <DispatcherHelper>().Log(LogLevel.Warning, "No hubs found.");
return(null);
}
}
