From 3efc59444f7dc654df4209744e873bf6664b035a Mon Sep 17 00:00:00 2001
From: GustavoHMDS <gusttavoh2602@gmail.com>
Date: Tue, 18 Aug 2026 12:53:30 -0300
Subject: [PATCH] impedindo TCP para si mesmo

---
 pitiupi/src/pitiupi/net/SocketTCP.java | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/pitiupi/src/pitiupi/net/SocketTCP.java b/pitiupi/src/pitiupi/net/SocketTCP.java
index a798af6..04b5ac6 100644
--- a/pitiupi/src/pitiupi/net/SocketTCP.java
+++ b/pitiupi/src/pitiupi/net/SocketTCP.java
@@ -35,6 +35,7 @@ public class SocketTCP extends Thread implements PeerListener {
     private final ExecutorService connectionExecutor = Executors.newCachedThreadPool();
     private final Map<InetAddress, TcpConnection> connections;
     private ServerSocket serverSocket;
+    private InetAddress address;
 
     private final MainWindow main;
 
@@ -54,6 +55,7 @@ public class SocketTCP extends Thread implements PeerListener {
         connections = new ConcurrentHashMap<>();
         try {
             serverSocket = new ServerSocket(main.getPort());
+            address = InetAddress.getByName(InetAddress.getLocalHost().getHostAddress());
         } catch (IOException ex) {
             System.out.println("There is no socket connection. Sorry.");
             System.out.println(ex);
@@ -72,10 +74,13 @@ public class SocketTCP extends Thread implements PeerListener {
      */
     public void send(byte[] msg, InetAddress destinationAddress) {
         try {
-            TcpConnection connection;
+            if (destinationAddress.equals(address)) {
+                throw new IllegalArgumentException("Destination address cannot be the same as the original address.");
+            }
+            TcpConnection connec tion;
 
             synchronized (connections) {
-                connection= connections.get(destinationAddress);
+                connection = connections.get(destinationAddress);
 
                 if (connection == null || connection.isClosed()) {
                     Socket socket = new Socket(destinationAddress, main.getPort());