start api before listener starts, stop and dispose of it when it stops, add `HttpApiPort` to config

src/Core/Configuration.cs

@@ -29,6 +29,7 @@ internal static class Configuration {
 internal sealed class ServerConfiguration {
     public string ListenIP { get; set; } = string.Empty;
     public int Port { get; set; } = 9933;
+    public int HttpApiPort { get; set; } = 9934;
     public string EventName { get; set; } = "ScoutAttack";
     public int EventTimer { get; set; } = 30;
     public int FirstEventTimer { get; set; } = 10;

src/Server.cs

@@ -1,4 +1,5 @@
-using sodoffmmo.Core;
+using sodoffmmo.API;
+using sodoffmmo.Core;
 using sodoffmmo.Data;
 using sodoffmmo.Management;
 using System;
@@ -42,7 +43,14 @@ public class Server {
             }
         }
 
+        // start api before mmo listener is started
+        var apiBuilder = CreateApiBuilder().Build();
+        await apiBuilder.StartAsync();
         await Listen(listener);
+
+        // when listener thread exists, stop and dispose api
+        await apiBuilder.StopAsync();
+        apiBuilder.Dispose();
     }
 
     private async Task Listen(Socket listener) {
@@ -97,4 +105,13 @@ public class Server {
             }
         }
     }
+
+    private static IHostBuilder CreateApiBuilder()
+    {
+        return Host.CreateDefaultBuilder().ConfigureWebHostDefaults(webHost => 
+        {
+            webHost.UseUrls($"http://*:{Configuration.ServerConfiguration.HttpApiPort}");
+            webHost.UseStartup<ApiStartup>();
+        });
+    }
 }

src/appsettings.json

@@ -6,6 +6,9 @@
     "// Port": "Listening port number for the MMO server",
     "Port": 9933,
 
+    "// HttpApiPort": "Listening port number for the MMO server's API",
+    "HttpApiPort": 9934,
+
     "// PingDelay": "delay (in milliseconds) for PNG response",
     "PingDelay": 17,
 
@@ -27,7 +30,7 @@
       "LoungeInt" : [ ["3", 20.0, 30, 240, 0, 16] ],
       "Spaceport": [ ["1", 20.0, 300, 300, 60, 0], ["2", 120.0, 1800, 3600, 60, 0] ],
       "Academy": [ ["1", 20.0, 300, 300, 60, 0] ],
-      "ClubSSInt" : [ ["3", 20.0, 30, 240, 0, 16] ],
+      "ClubSSInt" : [ ["3", 20.0, 30, 240, 0, 16] ]
     },
 
     "// RacingMaxPlayers": "maximum players allowed in Thunder Run Racing (no more than 6)",