我们从Python开源项目中，提取了以下14个代码示例，用于说明如何使用socket.AF_LINK。
def get_if_raw_hwaddr(iff): err = create_string_buffer(PCAP_ERRBUF_SIZE) devs = POINTER(pcap_if_t)() ret = b"\0\0\0\0\0\0" if pcap_findalldevs(byref(devs), err) < 0: return ret try: p = devs while p: if p.contents.name.endswith(iff.encode('ascii')): a = p.contents.addresses while a: if hasattr(socket, 'AF_LINK') and a.contents.addr.contents.sa_family == socket.AF_LINK: ap = a.contents.addr val = cast(ap, POINTER(sockaddr_dl)) ret = bytes(val.contents.sdl_data[ val.contents.sdl_nlen : val.contents.sdl_nlen + val.contents.sdl_alen ]) a = a.contents.next break p = p.contents.next return ret finally: pcap_freealldevs(devs)
def test_net_if_addrs_mac_null_bytes(self): # Simulate that the underlying C function returns an incomplete # MAC address. psutil is supposed to fill it with null bytes. # https://github.com/giampaolo/psutil/issues/786 if POSIX: ret = [('em1', psutil.AF_LINK, '06:3d:29', None, None, None)] else: ret = [('em1', -1, '06-3d-29', None, None, None)] with mock.patch('psutil._psplatform.net_if_addrs', return_value=ret) as m: addr = psutil.net_if_addrs()['em1'][0] assert m.called if POSIX: self.assertEqual(addr.address, '06:3d:29:00:00:00') else: self.assertEqual(addr.address, '06-3d-29-00-00-00')
def get_if_raw_hwaddr(iff): err = create_string_buffer(PCAP_ERRBUF_SIZE) devs = POINTER(pcap_if_t)() ret = "\0\0\0\0\0\0" if pcap_findalldevs(byref(devs), err) < 0: return ret try: p = devs while p: if p.contents.name.endswith(iff): a = p.contents.addresses while a: if hasattr(socket, 'AF_LINK') and a.contents.addr.contents.sa_family == socket.AF_LINK: ap = a.contents.addr val = cast(ap, POINTER(sockaddr_dl)) ret = str(val.contents.sdl_data[ val.contents.sdl_nlen : val.contents.sdl_nlen + val.contents.sdl_alen ]) a = a.contents.next break p = p.contents.next return ret finally: pcap_freealldevs(devs)
def get_if_raw_hwaddr(iff): if iff == scapy.arch.LOOPBACK_NAME: return (772, '\x00'*6) try: s = netifaces.ifaddresses(iff)[netifaces.AF_LINK][0]['addr'] return struct.pack('BBBBBB', *[ int(i, 16) for i in s.split(':') ]) except: raise Scapy_Exception("Error in attempting to get hw address for interface [%s]" % iff) return l
def test_net_if_addrs(self): nics = psutil.net_if_addrs() assert nics, nics nic_stats = psutil.net_if_stats() # Not reliable on all platforms (net_if_addrs() reports more # interfaces). # self.assertEqual(sorted(nics.keys()), # sorted(psutil.net_io_counters(pernic=True).keys())) families = set([socket.AF_INET, AF_INET6, psutil.AF_LINK]) for nic, addrs in nics.items(): self.assertIsInstance(nic, (str, unicode)) self.assertEqual(len(set(addrs)), len(addrs)) for addr in addrs: self.assertIsInstance(addr.family, int) self.assertIsInstance(addr.address, str) self.assertIsInstance(addr.netmask, (str, type(None))) self.assertIsInstance(addr.broadcast, (str, type(None))) self.assertIn(addr.family, families) if sys.version_info >= (3, 4): self.assertIsInstance(addr.family, enum.IntEnum) if nic_stats[nic].isup: # Do not test binding to addresses of interfaces # that are down if addr.family == socket.AF_INET: s = socket.socket(addr.family) with contextlib.closing(s): s.bind((addr.address, 0)) elif addr.family == socket.AF_INET6: info = socket.getaddrinfo( addr.address, 0, socket.AF_INET6, socket.SOCK_STREAM, 0, socket.AI_PASSIVE)[0] af, socktype, proto, canonname, sa = info s = socket.socket(af, socktype, proto) with contextlib.closing(s): s.bind(sa) for ip in (addr.address, addr.netmask, addr.broadcast, addr.ptp): if ip is not None: # TODO: skip AF_INET6 for now because I get: # AddressValueError: Only hex digits permitted in # u'c6f3%lxcbr0' in u'fe80::c8e0:fff:fe54:c6f3%lxcbr0' if addr.family != AF_INET6: check_net_address(ip, addr.family) # broadcast and ptp addresses are mutually exclusive if addr.broadcast: self.assertIsNone(addr.ptp) elif addr.ptp: self.assertIsNone(addr.broadcast) if BSD or OSX or SUNOS: if hasattr(socket, "AF_LINK"): self.assertEqual(psutil.AF_LINK, socket.AF_LINK) elif LINUX: self.assertEqual(psutil.AF_LINK, socket.AF_PACKET) elif WINDOWS: self.assertEqual(psutil.AF_LINK, -1)
def test_net_if_addrs(self): nics = psutil.net_if_addrs() assert nics, nics nic_stats = psutil.net_if_stats() # Not reliable on all platforms (net_if_addrs() reports more # interfaces). # self.assertEqual(sorted(nics.keys()), # sorted(psutil.net_io_counters(pernic=True).keys())) families = set([socket.AF_INET, AF_INET6, psutil.AF_LINK]) for nic, addrs in nics.items(): self.assertEqual(len(set(addrs)), len(addrs)) for addr in addrs: self.assertIsInstance(addr.family, int) self.assertIsInstance(addr.address, str) self.assertIsInstance(addr.netmask, (str, type(None))) self.assertIsInstance(addr.broadcast, (str, type(None))) self.assertIn(addr.family, families) if sys.version_info >= (3, 4): self.assertIsInstance(addr.family, enum.IntEnum) if nic_stats[nic].isup: # Do not test binding to addresses of interfaces # that are down if addr.family == socket.AF_INET: s = socket.socket(addr.family) with contextlib.closing(s): s.bind((addr.address, 0)) elif addr.family == socket.AF_INET6: info = socket.getaddrinfo( addr.address, 0, socket.AF_INET6, socket.SOCK_STREAM, 0, socket.AI_PASSIVE)[0] af, socktype, proto, canonname, sa = info s = socket.socket(af, socktype, proto) with contextlib.closing(s): s.bind(sa) for ip in (addr.address, addr.netmask, addr.broadcast, addr.ptp): if ip is not None: # TODO: skip AF_INET6 for now because I get: # AddressValueError: Only hex digits permitted in # u'c6f3%lxcbr0' in u'fe80::c8e0:fff:fe54:c6f3%lxcbr0' if addr.family != AF_INET6: check_net_address(ip, addr.family) # broadcast and ptp addresses are mutually exclusive if addr.broadcast: self.assertIsNone(addr.ptp) elif addr.ptp: self.assertIsNone(addr.broadcast) if BSD or OSX or SUNOS: if hasattr(socket, "AF_LINK"): self.assertEqual(psutil.AF_LINK, socket.AF_LINK) elif LINUX: self.assertEqual(psutil.AF_LINK, socket.AF_PACKET) elif WINDOWS: self.assertEqual(psutil.AF_LINK, -1)
