v4.0.0 (#1357)

Source/MQTTnet.AspTestApp/Program.cs

@@ -0,0 +1,73 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using MQTTnet;
+using MQTTnet.AspNetCore;
+using MQTTnet.Server;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddRazorPages();
+
+// Setup MQTT stuff.
+builder.Services.AddMqttServer();
+builder.Services.AddConnections();
+
+var app = builder.Build();
+
+if (!app.Environment.IsDevelopment())
+{
+    app.UseExceptionHandler("/Error");
+}
+
+app.UseStaticFiles();
+
+app.UseRouting();
+
+app.UseAuthorization();
+
+app.MapRazorPages();
+
+// Setup MQTT stuff.
+app.UseEndpoints(endpoints =>
+{
+    endpoints.MapMqtt("/mqtt");
+});
+
+app.UseMqttServer(server =>
+{
+    server.StartedAsync += args =>
+    {
+        _ = Task.Run(async () =>
+        {
+            var mqttApplicationMessage = new MqttApplicationMessageBuilder()
+                .WithPayload($"Test application message from MQTTnet server.")
+                .WithTopic("message")
+                .Build();
+
+            while (true)
+            {
+                try
+                {
+                    await server.InjectApplicationMessage(new InjectedMqttApplicationMessage(mqttApplicationMessage)
+                    {
+                        SenderClientId = "server"
+                    });
+                }
+                catch (Exception e)
+                {
+                    Console.WriteLine(e);
+                }
+                finally
+                {
+                    await Task.Delay(TimeSpan.FromSeconds(5));
+                }
+            }
+        });
+
+        return Task.CompletedTask;
+    };
+});
+
+app.Run();