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fix: usar instanceId único em vez de userName para identificar heartbeats

This commit is contained in:
tonyhcj 2026-07-24 19:31:39 -03:00
parent 668b2d417b
commit a7ba307daf
2 changed files with 13 additions and 5 deletions
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10
pitiupi/src/pitiupi/control/HeartbeatManager.java
View File

@ -14,6 +14,7 @@ import java.util.logging.Level;
import java.util.logging.Logger;
import pitiupi.GUI.MainWindow;
import pitiupi.net.HeartbeatMessage;
import java.util.UUID;
/**
*
* @author tony
@ -27,6 +28,7 @@ public class HeartbeatManager {
private final Map<String, PeerInfo> peers = new ConcurrentHashMap<>();
private final List<PeerListener> listeners = new CopyOnWriteArrayList<>();
private ScheduledExecutorService scheduler;
private final String instanceId = UUID.randomUUID().toString();
public HeartbeatManager(MainWindow mainWindow) {
this.mainWindow = mainWindow;
@ -46,21 +48,21 @@ public class HeartbeatManager {
private void announce() {
try {
HeartbeatMessage msg = new HeartbeatMessage(mainWindow.getUserName());
HeartbeatMessage msg = new HeartbeatMessage(mainWindow.getUserName(), instanceId);
mainWindow.getSocket().send(msg.toByteArray());
} catch (IOException ex) {
Logger.getLogger(HeartbeatManager.class.getName()).log(Level.WARNING, "Falha ao enviar heartbeat", ex);
}
}
// Chamado pelo Socket quando um pacote é identificado como heartbeat
public void receiveHeartbeat(HeartbeatMessage msg, InetAddress from) {
// ignora o próprio heartbeat
if (msg.getUserName().equals(mainWindow.getUserName())) {
if (msg.getInstanceId().equals(instanceId) ) {
return;
}
String key = from.getHostAddress() + "#" + msg.getUserName();
String key = msg.getInstanceId();
boolean isNew = !peers.containsKey(key);
PeerInfo peer = peers.computeIfAbsent(key, k -> new PeerInfo(msg.getUserName(), from, msg.getTimestamp()));

8
pitiupi/src/pitiupi/net/HeartbeatMessage.java
View File

@ -7,9 +7,11 @@ public class HeartbeatMessage extends Message {
private final String userName;
private final long timestamp;
private final String instanceId;
public HeartbeatMessage(String userName) {
public HeartbeatMessage(String userName, String instanceId) {
this.userName = userName;
this.instanceId = instanceId;
this.timestamp = System.currentTimeMillis();
}
@ -20,4 +22,8 @@ public class HeartbeatMessage extends Message {
public long getTimestamp() {
return timestamp;
}
public String getInstanceId() {
return instanceId;
}
}