fix(port): updated code for port verification

Author: alirana01

bundles/com.espressif.idf.core/src/com/espressif/idf/core/util/PortChecker.java

@@ -33,37 +33,32 @@ public static boolean isPortAvailable(int port)
 		{
 			try (Socket ignored = new Socket("localhost", port)) //$NON-NLS-1$
 			{
-				// If the socket opens, the port is in use
-				return false;
-			}
-			catch (IOException e)
-			{
-				// Port is unavailable, retrying if there are attempts left
-				if (attempts == retryCount)
+				// If the socket opens, the port is in use, so retry
+				attempts++;
+				if (attempts > retryCount)
 				{
-					// After exhausting all retries, return false
-					Logger.log("Port " + port + " is not available after " + retryCount + " retries."); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
-					return false; // Failure, port is still not available
+					Logger.log("Port " + port + " is still in use after " + retryCount + " retries."); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+					return false; // After all retries, port is still not available
 				}
-
-				attempts++;
-
-				// Log retry attempt
 				Logger.log("Attempt " + attempts + " failed, retrying in " + retryDelayMillis + " ms..."); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 
-				try
-				{
-					Thread.sleep(retryDelayMillis);
-				}
-				catch (InterruptedException interruptedException)
-				{
-					Thread.currentThread().interrupt(); // Restore interrupt status
-					Logger.log("Port availability check interrupted."); //$NON-NLS-1$
-					return false; // If interrupted, assume port unavailable and stop
-				}
+				Thread.sleep(retryDelayMillis);
+			}
+			catch (IOException e)
+			{
+				// If we get an IOException, the port is not in use, return true
+				return true;
+			}
+			catch (InterruptedException interruptedException)
+			{
+				// Handle interruption and stop further attempts
+				Thread.currentThread().interrupt(); // Restore interrupt status
+				Logger.log("Port availability check interrupted."); //$NON-NLS-1$
+				return false;
 			}
 		}
-		return true; //Fallback not reachable
+
+		return true; // Port is available if no exceptions occurred
 	}
 
 	/**

bundles/com.espressif.idf.debug.gdbjtag.openocd/src/com/espressif/idf/debug/gdbjtag/openocd/ui/TabDebugger.java

@@ -131,6 +131,8 @@ public class TabDebugger extends AbstractLaunchConfigurationTab
 
 	protected Button fUpdateThreadlistOnSuspend;
 
+	private Group gdbRemoteGroup;
+	
 	private DefaultPreferences fDefaultPreferences;
 	private PersistentPreferences fPersistentPreferences;
 
@@ -570,6 +572,11 @@ public void widgetSelected(SelectionEvent e)
 				if (fDoStartGdbServer.getSelection())
 				{
 					fTargetIpAddress.setText(DefaultPreferences.REMOTE_IP_ADDRESS_LOCALHOST);
+					gdbRemoteGroup.setEnabled(false);
+				}
+				else 
+				{
+					gdbRemoteGroup.setEnabled(true);
 				}
 				scheduleUpdateJob();
 			}
@@ -836,16 +843,17 @@ public void widgetSelected(SelectionEvent e)
 	private void createRemoteControl(Composite parent)
 	{
 
-		Group group = new Group(parent, SWT.NONE);
+		gdbRemoteGroup = new Group(parent, SWT.NONE);
 		{
-			group.setText(Messages.getString("DebuggerTab.remoteGroup_Text")); //$NON-NLS-1$
+			gdbRemoteGroup.setText(Messages.getString("DebuggerTab.remoteGroup_Text")); //$NON-NLS-1$
 			GridLayout layout = new GridLayout();
-			group.setLayout(layout);
+			gdbRemoteGroup.setLayout(layout);
 			GridData gd = new GridData(GridData.FILL_HORIZONTAL);
-			group.setLayoutData(gd);
+			gdbRemoteGroup.setLayoutData(gd);
+			gdbRemoteGroup.setEnabled(false);
 		}
 
-		Composite comp = new Composite(group, SWT.NONE);
+		Composite comp = new Composite(gdbRemoteGroup, SWT.NONE);
 		{
 			GridLayout layout = new GridLayout();
 			layout.numColumns = 2;