Fix: RMI no localhost

src/main/java/it/polimi/ingsw/gc14/ServerLauncher.java

@@ -10,8 +10,10 @@ import it.polimi.ingsw.gc14.Network.TCP.Server.TCPServer;
 import it.polimi.ingsw.gc14.View.TUI.TUI;
 
 import java.rmi.RemoteException;
+import java.util.*;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.LinkedBlockingQueue;
+import java.net.*;
 
 
 /**
@@ -107,7 +109,14 @@ public class ServerLauncher {
         playerList = new LimitedList<>(5, ()->{});
         BlockingQueue<NetworkEvent> actionQueue = new LinkedBlockingQueue<>();
         GameController gameController = new GameController();
-        RMIServer serverRMI = new RMIServer(gameController, 1099, actionQueue, playerList);
+        String IP;
+        try {
+            IP=chooseNetworkInterface(new Scanner(System.in));
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+
+        RMIServer serverRMI = new RMIServer(gameController, 1099, actionQueue, playerList,IP);
         TCPServer serverTCP = new TCPServer(gameController, 8080, actionQueue, playerList);
         ServerLauncher launcher = new ServerLauncher(actionQueue, gameController, serverRMI, serverTCP);
 
@@ -156,4 +165,36 @@ public class ServerLauncher {
             }
         }
     }
+    public static String chooseNetworkInterface(Scanner scanner) throws Exception {
+        List<String> ips = new ArrayList<>();
+
+        // Lista tutte le interfacce attive con IP reale
+        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
+        while (interfaces.hasMoreElements()) {
+            NetworkInterface ni = interfaces.nextElement();
+
+            // Salta loopback, interfacce spente o virtuali
+            if (!ni.isUp() || ni.isLoopback() || ni.isVirtual()) continue;
+
+            Enumeration<InetAddress> addresses = ni.getInetAddresses();
+            while (addresses.hasMoreElements()) {
+                InetAddress addr = addresses.nextElement();
+                // Solo IPv4
+                if (addr instanceof Inet4Address) {
+                    System.out.println("[" + ips.size() + "] " + ni.getDisplayName() + " -> " + addr.getHostAddress());
+                    ips.add(addr.getHostAddress());
+                }
+            }
+        }
+
+        if (ips.isEmpty()) throw new Exception("Nessuna interfaccia disponibile");
+        if (ips.size() == 1) {
+            System.out.println("Una sola interfaccia trovata, uso: " + ips.get(0));
+            return ips.get(0);
+        }
+
+        System.out.print("Scegli interfaccia: ");
+        int choice = Integer.parseInt(scanner.nextLine().trim());
+        return ips.get(choice);
+    }
 }