本文整理匯總了Python中socket.IPV6_MULTICAST_HOPS屬性的典型用法代碼示例。如果您正苦於以下問題:Python socket.IPV6_MULTICAST_HOPS屬性的具體用法?Python socket.IPV6_MULTICAST_HOPS怎麽用?Python socket.IPV6_MULTICAST_HOPS使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類socket
的用法示例。
在下文中一共展示了socket.IPV6_MULTICAST_HOPS屬性的7個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: sender
# 需要導入模塊: import socket [as 別名]
# 或者: from socket import IPV6_MULTICAST_HOPS [as 別名]
def sender(group):
addrinfo = socket.getaddrinfo(group, None)[0]
s = socket.socket(addrinfo[0], socket.SOCK_DGRAM)
# Set Time-to-live (optional)
ttl_bin = struct.pack('@i', MYTTL)
if addrinfo[0] == socket.AF_INET: # IPv4
s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, ttl_bin)
else:
s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, ttl_bin)
while True:
data = repr(time.time()).encode('utf-8') + b'\0'
s.sendto(data, (addrinfo[4][0], MYPORT))
time.sleep(1)
示例2: _multicast_configure_sender
# 需要導入模塊: import socket [as 別名]
# 或者: from socket import IPV6_MULTICAST_HOPS [as 別名]
def _multicast_configure_sender(sock, ttl=None):
if ttl != None:
ttl_bin = struct.pack('@I', ttl)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, ttl_bin)
if sock.family == socket.AF_INET6:
sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, ttl_bin)
示例3: ipv6Multicast
# 需要導入模塊: import socket [as 別名]
# 或者: from socket import IPV6_MULTICAST_HOPS [as 別名]
def ipv6Multicast(host='::1', maddr=maddr):
haddr = socket.getaddrinfo(host, maddr[1], socket.AF_INET6, socket.SOCK_DGRAM)[0][-1]
maddr = socket.getaddrinfo(maddr[0], maddr[1], socket.AF_INET6, socket.SOCK_DGRAM)[0][-1]
sock = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if hasattr(socket, "SO_REUSEPORT"):
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_LOOP, 1)
sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, 5)
ifn = haddr[3] or if_nametoindex('lo0')
ifn = struct.pack("I", ifn)
sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, ifn)
group = socket.inet_pton(socket.AF_INET6, maddr[0]) + ifn
sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, group)
sock.bind(haddr)
sock.setblocking(False)
return sock, maddr
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#~ Main
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
示例4: init_v6
# 需要導入模塊: import socket [as 別名]
# 或者: from socket import IPV6_MULTICAST_HOPS [as 別名]
def init_v6(self):
idx = socket.if_nametoindex(self.interface.name)
self.multicast_address = (WSD_MCAST_GRP_V6, WSD_UDP_PORT, 0x575C, idx)
# v6: member_request = { multicast_addr, intf_idx }
mreq = (
socket.inet_pton(self.family, WSD_MCAST_GRP_V6) +
struct.pack('@I', idx))
self.recv_socket.setsockopt(
socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mreq)
self.recv_socket.setsockopt(
socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 1)
# bind to network interface, i.e. scope and handle OS differences,
# see Stevens: Unix Network Programming, Section 21.6, last paragraph
try:
self.recv_socket.bind((WSD_MCAST_GRP_V6, WSD_UDP_PORT, 0, idx))
except OSError:
self.recv_socket.bind(('::', 0, 0, idx))
self.send_socket.setsockopt(
socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_LOOP, 0)
self.send_socket.setsockopt(
socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, args.hoplimit)
self.send_socket.setsockopt(
socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, idx)
self.transport_address = '[{0}]'.format(self.address)
self.listen_address = (self.address, WSD_HTTP_PORT, 0, idx)
示例5: set_ipv6_multicast_source_ifindex
# 需要導入模塊: import socket [as 別名]
# 或者: from socket import IPV6_MULTICAST_HOPS [as 別名]
def set_ipv6_multicast_source_ifindex(sock, ifindex):
"""Sets the given socket up to send multicast from the specified source.
Ensures the multicast hop limit is set to 1, so that packets are not
forwarded beyond the local link.
:param sock: An opened IP socket.
:param ifindex: An integer representing the interface index.
"""
sock.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, 1)
packed_ifindex = struct.pack("I", ifindex)
sock.setsockopt(
socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, packed_ifindex
)
示例6: test_neighbor_advertisement
# 需要導入模塊: import socket [as 別名]
# 或者: from socket import IPV6_MULTICAST_HOPS [as 別名]
def test_neighbor_advertisement(self, mock_socket, mock_netns, mock_ioctl):
ALL_NODES_ADDR = 'ff02::1'
EXPECTED_PACKET_DATA = (b'\x88\x00\x1dk\xa0\x00\x00\x00 \x01\r\xb8\x00'
b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x003'
b'\x02\x01')
FAKE_INTERFACE = 'fake0'
FAKE_MAC = '00005E005333'
FAKE_NETNS = 'fake_netns'
ICMPV6_PROTO = socket.getprotobyname(constants.IPV6_ICMP)
SIOCGIFHWADDR = 0x8927
SOURCE_IP = '2001:db8::33'
mock_na_socket = mock.MagicMock()
mock_socket.return_value = mock_na_socket
mock_ioctl.return_value = a2b_hex(FAKE_MAC)
# Test with a network namespace
ip_advertisement.neighbor_advertisement(FAKE_INTERFACE, SOURCE_IP,
net_ns=FAKE_NETNS)
mock_netns.assert_called_once_with(FAKE_NETNS)
mock_socket.assert_called_once_with(socket.AF_INET6, socket.SOCK_RAW,
ICMPV6_PROTO)
mock_na_socket.setsockopt.assert_called_once_with(
socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, 255)
mock_na_socket.bind.assert_called_once_with((SOURCE_IP, 0))
mock_ioctl.assert_called_once_with(
mock_na_socket.fileno(), SIOCGIFHWADDR,
pack('256s', bytes(FAKE_INTERFACE, 'utf-8')))
mock_na_socket.sendto.assert_called_once_with(
EXPECTED_PACKET_DATA, (ALL_NODES_ADDR, 0, 0, 0))
mock_na_socket.close.assert_called_once_with()
# Test without a network namespace
mock_na_socket.reset_mock()
mock_netns.reset_mock()
mock_ioctl.reset_mock()
mock_socket.reset_mock()
ip_advertisement.neighbor_advertisement(FAKE_INTERFACE, SOURCE_IP)
mock_netns.assert_not_called()
mock_socket.assert_called_once_with(socket.AF_INET6, socket.SOCK_RAW,
ICMPV6_PROTO)
mock_na_socket.setsockopt.assert_called_once_with(
socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, 255)
mock_na_socket.bind.assert_called_once_with((SOURCE_IP, 0))
mock_ioctl.assert_called_once_with(
mock_na_socket.fileno(), SIOCGIFHWADDR,
pack('256s', bytes(FAKE_INTERFACE, 'utf-8')))
mock_na_socket.sendto.assert_called_once_with(
EXPECTED_PACKET_DATA, (ALL_NODES_ADDR, 0, 0, 0))
mock_na_socket.close.assert_called_once_with()
示例7: new_socket
# 需要導入模塊: import socket [as 別名]
# 或者: from socket import IPV6_MULTICAST_HOPS [as 別名]
def new_socket(interface_number=None, interface_name=None):
"""
Create a new socket for a given interface_number.
interface_name and interface_number have to be for the same interface
"""
#Default is IPv4
address_family = socket.AF_INET
intf = None #The interface used to transmit data
if interface_number is None:
#No ipv6 interface given. Stay in ipv4
intf = socket.gethostbyname(socket.gethostname())
else: #IPv6
intf = int(interface_number)
address_family = socket.AF_INET6
#Create socket
s = socket.socket(address_family, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# SO_REUSEADDR should be equivalent to SO_REUSEPORT for
# multicast UDP sockets (p 731, "TCP/IP Illustrated,
# Volume 2"), but some BSD-derived systems require
# SO_REUSEPORT to be specified explicity. Also, not all
# versions of Python have SO_REUSEPORT available.
# Catch OSError and socket.error for kernel versions <3.9 because lacking
# SO_REUSEPORT support.
try:
reuseport = socket.SO_REUSEPORT
except AttributeError:
pass
else:
try:
s.setsockopt(socket.SOL_SOCKET, reuseport, 1)
except (OSError, socket.error) as err:
# OSError on python 3, socket.error on python 2
if not err.errno == errno.ENOPROTOOPT:
raise
# OpenBSD needs the ttl and loop values for the IP_MULTICAST_TTL and
# IP_MULTICAST_LOOP socket options as an unsigned char.
if address_family is socket.AF_INET:
ttl = struct.pack(b'B', 255)
s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, ttl)
loop = struct.pack(b'B', 1)
s.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, loop)
else: #IPv6
s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, 255)
s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_LOOP, 1)
if interface_name is "awdl0" and platform.system() == 'Darwin':
s.setsockopt(socket.SOL_SOCKET, 0x1104, 1)
#Bind the Socket
s.bind(('', _MDNS_PORT))
return s