1. def capture_packets(interface, num_packets, output_file):
2.     try:
3.         set_monitor_mode(interface)
4.         capture = pyshark.LiveCapture(interface=interface)
5.  
6.         with open(output_file, 'w', newline='') as csvfile:
7.             fieldnames = ['frame.len', 'radiotap.length', 'radiotap.dbm_antsignal', 'wlan.duration',
8.                           'radiotap.channel.freq', 'radiotap.channel.flags.cck',
9.                           'radiotap.channel.flags.ofdm', 'wlan.fc.type', 'wlan.fc.subtype', 'wlan.fc.ds',
10.                           'wlan.fc.frag', 'wlan.fc.retry', 'wlan.fc.pwrmgt', 'wlan.fc.moredata', 'wlan.fc.protected']
11.             writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
12.             writer.writeheader()
13.  
14.             for packet in capture.sniff_continuously(packet_count=num_packets):
15.                 data = extract_packet_data(packet)
16.                 writer.writerow(data)
17.  
18.     except KeyboardInterrupt:
19.         print("Paket yakalama işlemi durduruldu.")
20.     except Exception as e:
21.         print(f"Bir hata oluştu: {e}")
22.     finally:
23.         unset_monitor_mode(interface)
24.         capture.close()
25.  
26. def extract_packet_data(packet):
27.     features = {
28.         'frame.len': packet.frame_info.len,
29.         'radiotap.length': getattr(packet.radiotap, 'length', 'None') if 'radiotap' in packet else 'None',
30.         'radiotap.dbm_antsignal': getattr(packet.radiotap, 'dbm_antsignal', 'None') if 'radiotap' in packet else 'None',
31.         'wlan.duration': getattr(packet.wlan, 'duration', 'None') if 'wlan' in packet else 'None',
32.         # 'tsft': getattr(packet.radiotap, 'tsft', 'None') if 'radiotap' in packet else 'None',
33.         'radiotap.channel.freq': getattr(packet.radiotap, 'channel_freq', 'None') if 'radiotap' in packet else 'None',
34.         'radiotap.channel.flags.cck': 1 if hasattr(packet.radiotap.present.fields, 'cck') else 0,
35.         'radiotap.channel.flags.ofdm': 1 if hasattr(packet.radiotap.present.fields, 'ofdm') else 0,
36.         'wlan.fc.type': getattr(packet.wlan, 'fc_type', 'None') if 'wlan' in packet else 'None',
37.         'wlan.fc.subtype': getattr(packet.wlan, 'fc_subtype', 'None') if 'wlan' in packet else 'None',
38.         'wlan.fc.ds': format_ds_value(packet.wlan.fc_ds) if 'wlan' in packet and hasattr(packet.wlan, 'fc_ds') else 'None',
39.         'wlan.fc.frag': getattr(packet.wlan, 'fc_frag', 'None') if 'wlan' in packet else 'None',
40.         'wlan.fc.retry': getattr(packet.wlan, 'fc_retry', 'None') if 'wlan' in packet else 'None',
41.         'wlan.fc.pwrmgt': getattr(packet.wlan, 'fc_pwrmgt', 'None') if 'wlan' in packet else 'None',
42.         'wlan.fc.moredata': getattr(packet.wlan, 'fc_more_data', '0') if 'wlan' in packet else '0',
43.         'wlan.fc.protected': getattr(packet.wlan, 'fc_protected', 'None') if 'wlan' in packet else 'None',
44.     }
45.     return features