Function background_arp_scan_loop

webapp_modern.py:14824–14902

Continuously run ARP scans to keep network data fresh

()

    try:
        wifi_manager = getattr(shared_data, 'ragnar_instance', None)
        if not wifi_manager or not hasattr(wifi_manager, 'wifi_manager'):
            return jsonify({'error': 'Wi-Fi manager not available'}), 503
        
        wm = wifi_manager.wifi_manager
        
        # Stop AP mode if active
        if wm.ap_mode_active:
            logger.info("Force recovery: Stopping AP mode")
            wm.stop_ap_mode()
            time.sleep(2)  # Give time for AP to shut down properly
        
        # Force a WiFi search
        logger.info("Force recovery: Starting aggressive WiFi search")
        wm.wifi_validation_failures = 0
        wm.consecutive_validation_cycles_failed = 0
        
        # Try to connect in a separate thread to avoid blocking
        def attempt_reconnect():
            success = wm._endless_loop_wifi_search()
            if success:
                logger.info("Force recovery: Successfully reconnected to WiFi")
            else:
                logger.warning("Force recovery: Failed to reconnect to WiFi")
        
        recovery_thread = threading.Thread(target=attempt_reconnect, daemon=True)
        recovery_thread.start()
        
        return jsonify({
            'success': True,
            'message': 'WiFi recovery initiated - searching for known networks...'
        })
        
    except Exception as e:
        logger.error(f"Error forcing WiFi recovery: {e}")
        return jsonify({'error': str(e)}), 500

@app.route('/api/wifi/log')
def get_wifi_log():
    """Get comprehensive WiFi logs including system status, Ragnar WiFi manager, and e-paper display updates"""
    try:
        wifi_log_data = {
            'timestamp': datetime.now().isoformat(),
            'system_wifi': {},
            'ragnar_wifi_manager': {},
            'epaper_display': {}
        }
        
        # === SYSTEM WIFI STATUS ===
        try:
            wifi_log_data['system_wifi'] = {}
            
            # Get SSID
            try:
                result = subprocess.run(['iwgetid', '-r'], capture_output=True, text=True, timeout=3)
                wifi_log_data['system_wifi']['ssid'] = result.stdout.strip() if result.returncode == 0 else None
                wifi_log_data['system_wifi']['connected'] = result.returncode == 0 and result.stdout.strip()
            except Exception as e:
                wifi_log_data['system_wifi']['ssid_error'] = str(e)