WIP

First draft for MQTTnetServer project * Basic support for settings * Nasty code for setting up kestrel from appsettings.json
2026-10-19 02:53:06 +08:00 · 2019-03-04 21:13:22 +01:00
parent 3b02a5f6aa
commit b68247f56d
13 changed files with 512 additions and 4 deletions
@@ -0,0 +1,118 @@
+using Microsoft.AspNetCore;
+using Microsoft.AspNetCore.Hosting;
+using Microsoft.Extensions.Configuration;
+using MQTTnet.AspNetCore;
+using MQTTnetServer.Settings;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+
+namespace MQTTnetServer
+{
+    /// <summary>
+    /// Main Entry point
+    /// </summary>
+    public class Program
+    {
+        /// <summary>
+        /// Main
+        /// </summary>
+        /// <param name="args"></param>
+        public static void Main(string[] args)
+        {
+            try
+            {
+                CreateWebHostBuilder(args).Build().Run();
+            }
+            catch (FileNotFoundException e)
+            {
+                Console.WriteLine("Could not find application settings file in: " + e.FileName);
+                return;
+            }
+        }
+
+        /// <summary>
+        /// Configure and Start Kestrel
+        /// </summary>
+        /// <param name="args"></param>
+        /// <returns></returns>
+        public static IWebHostBuilder CreateWebHostBuilder(string[] args)
+        {
+            var webHost = WebHost.CreateDefaultBuilder(args);
+            var listen = ReadListenSettings();
+            webHost
+                 .UseKestrel(o =>
+                 {
+                     if (listen?.Length > 0)
+                     {
+                         foreach (var item in listen)
+                         {
+                             if (item.Address?.Trim() == "*")
+                             {
+                                 if (item.Protocol == ListenProtocolTypes.MQTT)
+                                 {
+                                     o.ListenAnyIP(item.Port, c => c.UseMqtt());
+                                 }
+                                 else
+                                 {
+                                     o.ListenAnyIP(item.Port);
+                                 }
+                             }
+                             else if (item.Address?.Trim() == "localhost")
+                             {
+                                 if (item.Protocol == ListenProtocolTypes.MQTT)
+                                 {
+                                     o.ListenLocalhost(item.Port, c => c.UseMqtt());
+                                 }
+                                 else
+                                 {
+                                     o.ListenLocalhost(item.Port);
+                                 }
+                             }
+                             else
+                             {
+                                 if (IPAddress.TryParse(item.Address, out var ip))
+                                 {
+                                     if (item.Protocol == ListenProtocolTypes.MQTT)
+                                     {
+                                         o.Listen(ip, item.Port, c => c.UseMqtt());
+                                     }
+                                     else
+                                     {
+                                         o.Listen(ip, item.Port);
+                                     }
+                                 }
+                             }
+                         }
+                     }
+                     else
+                     {
+                         o.ListenAnyIP(1883, l => l.UseMqtt());
+                         o.ListenAnyIP(5000);
+                     }
+                 });
+
+            webHost.UseStartup<Startup>();
+
+            return webHost;
+        }
+
+        /// <summary>
+        /// Read Application Settings
+        /// </summary>
+        /// <returns></returns>
+        public static ListenModel[] ReadListenSettings()
+        {
+            var builder = new ConfigurationBuilder()
+                    .AddJsonFile("appsettings.json")
+                    .AddEnvironmentVariables()
+                    .Build();
+
+            var listen = new List<ListenModel>();
+            builder.Bind("MQTTnetServer:Listen", listen);
+
+            return listen.ToArray();
+        }
+    }
+}