本文整理汇总了Python中ctypes.CDLL.freeifaddrs方法的典型用法代码示例。如果您正苦于以下问题：Python CDLL.freeifaddrs方法的具体用法？Python CDLL.freeifaddrs怎么用？Python CDLL.freeifaddrs使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ctypes.CDLL的用法示例。
在下文中一共展示了CDLL.freeifaddrs方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: get_ifaddrs
# 需要导入模块: from ctypes import CDLL [as 别名]
# 或者: from ctypes.CDLL import freeifaddrs [as 别名]
#.........这里部分代码省略.........
("sdl_data", (c_uint8 * 46))
]
if platform.startswith("darwin"):
libc = CDLL("libSystem.dylib")
elif platform.startswith("freebsd"):
libc = CDLL("libc.so")
else:
libc = CDLL("libc.so.6")
ptr = c_void_p(None)
result = libc.getifaddrs(pointer(ptr))
if result:
return None
ifa = ifaddrs.from_address(ptr.value)
result = []
while ifa:
# Python 2 gives us a string, Python 3 an array of bytes
if type(ifa.ifa_name) is str:
name = ifa.ifa_name
else:
name = ifa.ifa_name.decode()
if ifa.ifa_addr:
sa = sockaddr.from_address(ifa.ifa_addr)
data = {}
if sa.sa_family == AF_INET:
if ifa.ifa_addr is not None:
si = sockaddr_in.from_address(ifa.ifa_addr)
data['addr'] = inet_ntop(AF_INET, si.sin_addr)
if ifa.ifa_netmask is not None:
si = sockaddr_in.from_address(ifa.ifa_netmask)
data['netmask'] = inet_ntop(AF_INET, si.sin_addr)
# check if a valid broadcast address is set and retrieve it
# 0x2 == IFF_BROADCAST
if ifa.ifa_flags & 0x2:
si = sockaddr_in.from_address(ifa.ifa_ifu.ifu_broadaddr)
data['broadcast'] = inet_ntop(AF_INET, si.sin_addr)
if sa.sa_family == AF_INET6:
if ifa.ifa_addr is not None:
si = sockaddr_in6.from_address(ifa.ifa_addr)
data['addr'] = inet_ntop(AF_INET6, si.sin6_addr)
if data['addr'].startswith('fe80:'):
data['scope'] = si.sin6_scope_id
if ifa.ifa_netmask is not None:
si = sockaddr_in6.from_address(ifa.ifa_netmask)
data['netmask'] = inet_ntop(AF_INET6, si.sin6_addr)
if sa.sa_family == AF_PACKET:
if ifa.ifa_addr is not None:
si = sockaddr_ll.from_address(ifa.ifa_addr)
addr = ""
total = 0
for i in range(si.sll_halen):
total += si.sll_addr[i]
addr += "%02x:" % si.sll_addr[i]
addr = addr[:-1]
if total > 0:
data['addr'] = addr
if sa.sa_family == AF_LINK:
dl = sockaddr_dl.from_address(ifa.ifa_addr)
if dl.sdl_type == IFT_ETHER:
addr = ""
for i in range(dl.sdl_alen):
addr += "%02x:" % dl.sdl_data[dl.sdl_nlen + i]
addr = addr[:-1]
data['addr'] = addr
if len(data) > 0:
iface = {}
for interface in result:
if name in interface.keys():
iface = interface
break
if iface:
iface[name][sa.sa_family] = data
else:
iface[name] = { sa.sa_family : data }
result.append(iface)
if ifa.ifa_next:
ifa = ifaddrs.from_address(ifa.ifa_next)
else:
break
libc.freeifaddrs(ptr)
return result示例2: getifaddrs
# 需要导入模块: from ctypes import CDLL [as 别名]
# 或者: from ctypes.CDLL import freeifaddrs [as 别名]
#.........这里部分代码省略.........
_fields_ = [("u6_addr8", c_uint8 * 16), ("u6_addr16", c_uint16 * 8), ("u6_addr32", c_uint32 * 4)]
class in6_addr(Union):
_fields_ = [("in6_u", in6_u)]
class sockaddr_in6(Structure):
_fields_ = [
("sin6_family", c_short),
("sin6_port", c_ushort),
("sin6_flowinfo", c_uint32),
("sin6_addr", in6_addr),
("sin6_scope_id", c_uint32),
]
# AF_PACKET / Linux
class sockaddr_ll(Structure):
_fields_ = [
("sll_family", c_uint16),
("sll_protocol", c_uint16),
("sll_ifindex", c_uint32),
("sll_hatype", c_uint16),
("sll_pktype", c_uint8),
("sll_halen", c_uint8),
("sll_addr", c_uint8 * 8),
]
# AF_LINK / BSD|OSX
class sockaddr_dl(Structure):
_fields_ = [
("sdl_len", c_uint8),
("sdl_family", c_uint8),
("sdl_index", c_uint16),
("sdl_type", c_uint8),
("sdl_nlen", c_uint8),
("sdl_alen", c_uint8),
("sdl_slen", c_uint8),
("sdl_data", c_uint8 * 46),
]
families = {AF_INET: "ipv4", AF_INET6: "ipv6", AF_PACKET: "hw"}
libc = CDLL("libc.so.6")
ptr = c_void_p(None)
result = libc.getifaddrs(pointer(ptr))
if result:
return None
ifa = ifaddrs.from_address(ptr.value)
result = {}
while ifa:
name = ifa.ifa_name
# name = ifa.ifa_name.decode('UTF-8') # use this for python3
if name not in result:
result[name] = {}
sa = sockaddr.from_address(ifa.ifa_addr)
if sa.sa_family not in result[name]:
result[name][families[sa.sa_family]] = []
data = {}
if sa.sa_family == AF_INET:
if ifa.ifa_addr is not None:
si = sockaddr_in.from_address(ifa.ifa_addr)
data["addr"] = inet_ntop(si.sin_family, si.sin_addr)
if ifa.ifa_netmask is not None:
si = sockaddr_in.from_address(ifa.ifa_netmask)
data["netmask"] = inet_ntop(si.sin_family, si.sin_addr)
if sa.sa_family == AF_INET6:
if ifa.ifa_addr is not None:
si = sockaddr_in6.from_address(ifa.ifa_addr)
data["addr"] = inet_ntop(si.sin6_family, si.sin6_addr)
if data["addr"].startswith("fe80:"):
data["scope"] = si.sin6_scope_id
if ifa.ifa_netmask is not None:
si = sockaddr_in6.from_address(ifa.ifa_netmask)
data["netmask"] = inet_ntop(si.sin6_family, si.sin6_addr)
if sa.sa_family == AF_PACKET:
if ifa.ifa_addr is not None:
si = sockaddr_ll.from_address(ifa.ifa_addr)
addr = ""
for i in range(si.sll_halen):
addr += "%02x:" % si.sll_addr[i]
addr = addr[:-1]
data["addr"] = addr
if len(data) > 0:
result[name][families[sa.sa_family]].append(data)
if ifa.ifa_next:
ifa = ifaddrs.from_address(ifa.ifa_next)
else:
break
libc.freeifaddrs(ptr)
return result本文标签属性：
示例：示例是什么意思
代码：代码编程
Python：python什么意思
CDLL：CDLL
