Check network connectivity using multiple methods with optional proxy support. Args: host: str, target host to check (default: Google DNS "8.8.8.8") port: int, target port to check (default: 53 for DNS) timeout: float, timeout in seconds (default: 3) proxies:
(
host: str = '8.8.8.8',
port: int = 53,
timeout: float = 3,
proxies: Optional[Dict[str, str]] = None)
| 41 | |
| 42 | |
| 43 | def check_network_connectivity( |
| 44 | host: str = '8.8.8.8', |
| 45 | port: int = 53, |
| 46 | timeout: float = 3, |
| 47 | proxies: Optional[Dict[str, str]] = None) -> Tuple[bool, str]: |
| 48 | """Check network connectivity using multiple methods with optional proxy |
| 49 | support. |
| 50 | |
| 51 | Args: |
| 52 | host: str, target host to check (default: Google DNS "8.8.8.8") |
| 53 | port: int, target port to check (default: 53 for DNS) |
| 54 | timeout: float, timeout in seconds (default: 3) |
| 55 | proxies: Optional[Dict[str, str]], proxy configuration (default: None) |
| 56 | Example: { |
| 57 | 'http': 'http://proxy:8080', |
| 58 | 'https': 'https://proxy:8080' |
| 59 | } |
| 60 | |
| 61 | Returns: |
| 62 | Tuple[bool, str]: (is_connected, message) |
| 63 | """ |
| 64 | |
| 65 | # Method 1: Socket connection test (direct connection, no proxy) |
| 66 | def check_socket() -> bool: |
| 67 | try: |
| 68 | socket.create_connection((host, port), timeout=timeout) |
| 69 | return True |
| 70 | except OSError: |
| 71 | return False |
| 72 | |
| 73 | # Method 2: HTTP request test (supports proxy) |
| 74 | def check_http() -> bool: |
| 75 | try: |
| 76 | response = requests.get('http://www.google.com', |
| 77 | timeout=timeout, |
| 78 | proxies=proxies) |
| 79 | return response.status_code == 200 |
| 80 | except requests.RequestException: |
| 81 | return False |
| 82 | |
| 83 | # Method 3: Ping test (direct connection, no proxy) |
| 84 | def check_ping() -> bool: |
| 85 | param = '-n' if platform.system().lower() == 'windows' else '-c' |
| 86 | command = ['ping', param, '1', host] |
| 87 | try: |
| 88 | return subprocess.call(command, |
| 89 | stdout=subprocess.DEVNULL, |
| 90 | stderr=subprocess.DEVNULL) == 0 |
| 91 | except subprocess.SubprocessError: |
| 92 | return False |
| 93 | |
| 94 | # Try all methods |
| 95 | is_socket_connected = check_socket() |
| 96 | is_http_connected = check_http() |
| 97 | is_ping_connected = check_ping() |
| 98 | |
| 99 | # Generate detailed message including proxy information |
| 100 | status_msg = ( |
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