public HL7ListenerService(IOptions <Hl7ListenerSettings> settings,
IHL7Acknowledger hl7Acknowledger, ISqliteQueueManager sqliteQueueManager, ILoggerFactory logFactory)
{
_settings = settings?.Value ?? throw new ArgumentNullException(nameof(settings));
_sqliteQueueManager = sqliteQueueManager;
_hl7Acknowledger = hl7Acknowledger;
_logger = logFactory.CreateLogger(_settings.Name);
var serverIp = IPAddress.Any;
if (!string.IsNullOrEmpty(_settings.IpAddress))
{
serverIp = IPAddress.Parse(_settings.IpAddress);
}
_listener = new TcpListener(new IPEndPoint(serverIp, _settings.Port));
}
// This method gets called by the runtime. Use this method to add services to the container.
// For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
public IServiceProvider ConfigureServices(IServiceCollection services)
{
services.AddOptions();
services.AddTransient <IHL7Acknowledger, HL7Acknowledger>();
// Setup the persistent queue first.
services.Configure <SqliteQueueManagerSettings>(options => Configuration.GetSection("Queue").Bind(options));
services.AddSingleton <ISqliteQueueManager, SqliteQueueManager>();
// Setup the background task for queue sanity keeper
services.Configure <PersistentQueueMonitoringSettings>(options => Configuration.GetSection("QueueMonitoring").Bind(options));
services.AddSingleton <IPersistentQueueMonitoringTask, PersistentQueueMonitoringTask>();
services.AddSingleton <IHostedService>(x => x.GetService <IPersistentQueueMonitoringTask>() as IHostedService);
// Setup the consumer of the queue
services.Configure <HL7HandlerSettings>(options => Configuration.GetSection("Handling").Bind(options));
services.AddSingleton <IHL7HandlerManager, HL7HandlerManager>();
services.AddSingleton <IHostedService>(x => x.GetService <IHL7HandlerManager>() as IHostedService);
// Now let's spin up all the listeners, they are all producers to the queue
var listenerConfigurations = Configuration.GetSection("Listeners");
foreach (var configuration in listenerConfigurations.GetChildren())
{
var listenerSettings = new Hl7ListenerSettings();
configuration.Bind(listenerSettings);
services.AddTransient <IHostedService>((factory) =>
{
return(new HL7ListenerService(Options.Create <Hl7ListenerSettings>(listenerSettings),
factory.GetRequiredService <IHL7Acknowledger>(),
factory.GetRequiredService <ISqliteQueueManager>(),
factory.GetRequiredService <ILoggerFactory>()));
});
}
var container = new ContainerBuilder();
container.Populate(services);
return(new AutofacServiceProvider(container.Build()));
}
