more extensions for aspnetcore configuration

Source/MQTTnet.AspnetCore/ServiceCollectionExtensions.cs

@@ -13,26 +13,63 @@ namespace MQTTnet.AspNetCore
         public static IServiceCollection AddHostedMqttServer(this IServiceCollection services, IMqttServerOptions options)
         {
             if (options == null) throw new ArgumentNullException(nameof(options));
+            
+            services.AddSingleton(options);
 
+            services.AddHostedMqttServer();
+
+            return services;
+        }
+        
+        public static IServiceCollection AddHostedMqttServer(this IServiceCollection services, Action<MqttServerOptionsBuilder> configure)
+        {
+            var builder = new MqttServerOptionsBuilder();
+
+            configure(builder);
+            
+            services.AddSingleton<IMqttServerOptions>(builder.Build());
+
+            services.AddHostedMqttServer();
+
+            return services;
+        }
+
+        public static IServiceCollection AddHostedMqttServer<TOptions>(this IServiceCollection services)
+            where TOptions : class, IMqttServerOptions
+        {
+            services.AddSingleton<IMqttServerOptions, TOptions>();
+
+            services.AddHostedMqttServer();
+
+            return services;
+        }
+
+        public static IServiceCollection AddHostedMqttServer(this IServiceCollection services)
+        {
             var logger = new MqttNetLogger();
             var childLogger = logger.CreateChildLogger();
 
-            services.AddSingleton(options);
             services.AddSingleton<IMqttNetLogger>(logger);
             services.AddSingleton(childLogger);
             services.AddSingleton<MqttHostedServer>();
             services.AddSingleton<IHostedService>(s => s.GetService<MqttHostedServer>());
             services.AddSingleton<IMqttServer>(s => s.GetService<MqttHostedServer>());
+            
+            return services;
+        }
 
+        public static IServiceCollection AddMqttWebSocketServerAdapter(this IServiceCollection services)
+        {
             services.AddSingleton<MqttWebSocketServerAdapter>();
-            services.AddSingleton<MqttTcpServerAdapter>();
             services.AddSingleton<IMqttServerAdapter>(s => s.GetService<MqttWebSocketServerAdapter>());
 
-            if (options.DefaultEndpointOptions.IsEnabled)
+            return services;
-            {
+        }
-                services.AddSingleton<MqttTcpServerAdapter>();
+
-                services.AddSingleton<IMqttServerAdapter>(s => s.GetService<MqttTcpServerAdapter>());
+        public static IServiceCollection AddMqttTcpServerAdapter(this IServiceCollection services)
-            }
+        {
+            services.AddSingleton<MqttTcpServerAdapter>();
+            services.AddSingleton<IMqttServerAdapter>(s => s.GetService<MqttTcpServerAdapter>());
 
             return services;
         }