fix varible naming issue, and auto stop server on server stopping

Author: xFN10x

src/main/java/fn10/smm/ModManager.java

@@ -1,8 +1,10 @@
 package fn10.smm;
 
 import com.mojang.logging.LogUtils;
+import fn10.smm.server.ModManagerWebServer;
 import net.fabricmc.api.ModInitializer;
 import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
+import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
 import org.slf4j.Logger;
 
 public class ModManager implements ModInitializer {
@@ -14,5 +16,6 @@ public void onInitialize() {
         LOG.info("ServerModManager initializing...");
 
         CommandRegistrationCallback.EVENT.register(new ModManagerCommands());
+        ServerLifecycleEvents.SERVER_STOPPING.register(ModManagerWebServer.StoppingEvent);
     }
 }

src/main/java/fn10/smm/server/ModManagerWebServer.java

@@ -1,5 +1,6 @@
 package fn10.smm.server;
 
+import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
 import net.freeutils.httpserver.HTTPServer;
 import net.minecraft.server.MinecraftServer;
 
@@ -15,29 +16,36 @@ public class ModManagerWebServer {
     private HttpClient client = null;
     private final MinecraftServer mcServer;
     private static boolean webServerRunning;
+    private static ModManagerWebServer current = null;
+
+    public static ServerLifecycleEvents.ServerStopping StoppingEvent = ser -> {
+        if (current != null)
+            current.stop();
+    };
 
     public HttpClient getClient() {
         return client;
     }
 
     public static boolean isServerRunning() {return webServerRunning;}
 
-    public ModManagerWebServer(int port, MinecraftServer server) {
+    public ModManagerWebServer(int port, MinecraftServer mcServer) {
         this.port = port;
         this.server = new HTTPServer();
         server.setPort(this.port);
-        this.mcServer = server;
+        this.mcServer = mcServer;
     }
 
     public void stop() {
         try {
-            LOG.error("Stopping web server...");
+            LOG.info("Stopping web server...");
+            if (current == this) current = null;
             client.close();
 
             if (webServerRunning) webServerRunning = false;
 
             server.stop();
-            LOG.error("Stopped web server.");
+            LOG.info("Stopped web server.");
         } catch (Exception e) {
             LOG.error("Failed to stop web server", e);
             throw e;
@@ -47,9 +55,9 @@ public void stop() {
     public void start() throws Exception {
         try {
             LOG.info("Starting web server...");
-
+            current = this;
             server.start();
-            client = HttpClient.newBuilder().version(HttpClient.Version.HTTP_2).build();
+            client = HttpClient.newBuilder().version(HttpClient.Version.HTTP_1_1).build();
 
             final HTTPServer.VirtualHost host = server.getVirtualHost(null);
             host.addContexts(new ModManagerHandlers(mcServer));