Python socket.IP_ADD_MEMBERSHIP Examples
The following are 30
code examples of socket.IP_ADD_MEMBERSHIP().
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Example #1
| Source File: multicast_checks.py From rift-python with Apache License 2.0 | 7 votes |
|
def _create_ipv4_sockets(loopback_enabled):
# Open a multicast send socket, with IP_MULTICAST_LOOP enabled or disabled as requested.
mcast_address = "224.0.1.195"
port = 49501
group = (mcast_address, port)
txsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
txsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if loopback_enabled:
txsock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, 1)
else:
txsock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, 0)
txsock.connect(group)
# Open a multicast receive socket and join the group
rxsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
req = struct.pack("=4sl", socket.inet_aton(mcast_address), socket.INADDR_ANY)
rxsock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, req)
rxsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
rxsock.bind(group)
return (txsock, rxsock)
Example #2
| Source File: gateway.py From PyXiaomiGateway with MIT License | 7 votes |
|
def __init__(self, config, event_loop):
main_protocol = MainProtocol(config)
task = event_loop.create_datagram_endpoint(lambda: main_protocol,
local_addr=(config['ip'], 9898))
asyncio.ensure_future(task, loop=event_loop)
sock = socket.socket(
socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind(('224.0.0.50', 4321))
mreq = socket.inet_aton('224.0.0.50') + socket.inet_aton(config['ip'])
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
discovery_protocol = DiscoveryProtocol(config, main_protocol)
task = event_loop.create_datagram_endpoint(lambda: discovery_protocol,
sock=sock)
asyncio.ensure_future(task, loop=event_loop)
self.discovery_protocol = discovery_protocol
self.main_protocol = main_protocol
Example #3
| Source File: coap.py From pyShelly with MIT License | 6 votes |
|
def _init_socket(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM,
socket.IPPROTO_UDP)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 10)
sock.bind((self._root.bind_ip, COAP_PORT))
if self._root.host_ip:
mreq = struct.pack("=4s4s",
socket.inet_aton(COAP_IP),
socket.inet_aton(self._root.host_ip))
else:
mreq = struct.pack("=4sl",
socket.inet_aton(COAP_IP),
socket.INADDR_ANY)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
sock.settimeout(15)
self._socket = sock
Example #4
| Source File: udp_listener.py From mmvt with GNU General Public License v3.0 | 6 votes |
|
def bind_to_multicast(port=45454, multicast_group='239.255.43.21'):
import struct
# Create the socket
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# Bind to the server address
# sock.bind((multicast_group, port))
sock.bind(('', port))
# Tell the operating system to add the socket to the multicast group
# on all interfaces.
# group = socket.inet_aton(multicast_group)
# mreq = struct.pack('4sL', group, socket.INADDR_ANY)
mreq = struct.pack('4sl', socket.inet_aton(multicast_group), socket.INADDR_ANY)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
return sock
Example #5
| Source File: discover.py From fluxclient with GNU Affero General Public License v3.0 | 6 votes |
|
def create_sockets(mcst_ipaddr, mcst_port):
mreq = struct.pack("4sl", socket.inet_aton(mcst_ipaddr),
socket.INADDR_ANY)
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM,
socket.IPPROTO_UDP)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
if platform.system() == "Windows":
s.bind(("", mcst_port))
return (s, )
else:
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
s.bind((mcst_ipaddr, mcst_port))
bsock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM,
socket.IPPROTO_UDP)
bsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
bsock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
bsock.bind(("", 1901))
return (s, bsock)
Example #6
| Source File: wsdd.py From wsdd with MIT License | 6 votes |
|
def init_v4(self):
idx = socket.if_nametoindex(self.interface.name)
self.multicast_address = (WSD_MCAST_GRP_V4, WSD_UDP_PORT)
# v4: member_request (ip_mreqn) = { multicast_addr, intf_addr, idx }
mreq = (
socket.inet_pton(self.family, WSD_MCAST_GRP_V4) +
socket.inet_pton(self.family, self.address) +
struct.pack('@I', idx))
self.recv_socket.setsockopt(
socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
try:
self.recv_socket.bind((WSD_MCAST_GRP_V4, WSD_UDP_PORT))
except OSError:
self.recv_socket.bind(('', WSD_UDP_PORT))
self.send_socket.setsockopt(
socket.IPPROTO_IP, socket.IP_MULTICAST_IF, mreq)
self.send_socket.setsockopt(
socket.IPPROTO_IP, socket.IP_MULTICAST_LOOP, 0)
self.send_socket.setsockopt(
socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, args.hoplimit)
self.listen_address = (self.address, WSD_HTTP_PORT)
Example #7
| Source File: poc.py From pub with GNU General Public License v2.0 | 6 votes |
|
def __init__(self, group="239.255.255.250", port=1900):
self.group, self.port = group, port
self.callbacks = {}
# multicast socket
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
logger.debug("[SSDP] bind: 0.0.0.0:%s" % port)
sock.bind(('0.0.0.0', port))
mreq = struct.pack("=4sl", socket.inet_aton(group), socket.INADDR_ANY)
logger.debug("[SSDP] add membership: UDP/%s" % group)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
self.listening = False
self.sock = sock
self.devices = {}
# Start listening
Example #8
| Source File: multicast-relay.py From multicast-relay with GNU General Public License v3.0 | 6 votes |
|
def addListener(self, addr, port, service):
if self.isBroadcast(addr):
self.etherAddrs[addr] = self.broadcastIpToMac(addr)
elif self.isMulticast(addr):
self.etherAddrs[addr] = self.multicastIpToMac(addr)
else:
# unicast -- we don't know yet which IP we'll want to send to
self.etherAddrs[addr] = None
# Set up the receiving socket and corresponding IP and interface information.
# One receiving socket is required per multicast address.
rx = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_UDP)
rx.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
for interface in self.interfaces:
(ifname, mac, ip, netmask) = self.getInterface(interface)
# Add this interface to the receiving socket's list.
if self.isBroadcast(addr):
rx.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
elif self.isMulticast(addr):
packedAddress = struct.pack('4s4s', socket.inet_aton(addr), socket.inet_aton(ip))
rx.setsockopt(socket.SOL_IP, socket.IP_ADD_MEMBERSHIP, packedAddress)
# Generate a transmitter socket. Each interface
# requires its own transmitting socket.
if interface not in self.noTransmitInterfaces:
tx = socket.socket(socket.AF_PACKET, socket.SOCK_RAW)
tx.bind((ifname, 0))
self.transmitters.append({'relay': {'addr': addr, 'port': port}, 'interface': ifname, 'addr': ip, 'mac': mac, 'netmask': netmask, 'socket': tx, 'service': service})
rx.bind((addr, port))
self.receivers.append(rx)
Example #9
| Source File: __init__.py From PyXiaomiGateway with MIT License | 6 votes |
|
def _create_mcast_socket(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if self._interface != 'any':
if platform.system() != "Windows":
sock.bind((self.MULTICAST_ADDRESS, self.MULTICAST_PORT))
else:
sock.bind((self._interface, self.MULTICAST_PORT))
mreq = socket.inet_aton(self.MULTICAST_ADDRESS) + socket.inet_aton(self._interface)
else:
if platform.system() != "Windows":
sock.bind((self.MULTICAST_ADDRESS, self.MULTICAST_PORT))
else:
sock.bind(('', self.MULTICAST_PORT))
mreq = struct.pack("=4sl", socket.inet_aton(self.MULTICAST_ADDRESS), socket.INADDR_ANY)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
return sock
Example #10
| Source File: utils.py From iptvtools with MIT License | 6 votes |
|
def check_udp_connectivity(url, timeout=None):
"""Check UDP connectivity."""
ipaddr, port = url.rsplit(':', 1)
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
sock.settimeout(timeout)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
sock.bind(('', int(port)))
mreq = struct.pack("4sl", socket.inet_aton(ipaddr), socket.INADDR_ANY)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
try:
if sock.recv(10240):
return True
except socket.timeout:
pass
return False
Example #11
| Source File: listener.py From pulseaudio-dlna with GNU General Public License v3.0 | 6 votes |
|
def run(self, ttl=None):
if self.DISABLE_SSDP_LISTENER:
return
self.allow_reuse_address = True
SocketServer.UDPServer.__init__(
self, (self.host or '', self.SSDP_PORT), SSDPHandler)
self.socket.setsockopt(
socket.IPPROTO_IP,
socket.IP_ADD_MEMBERSHIP,
self._multicast_struct(self.SSDP_ADDRESS))
self.socket.setsockopt(
socket.IPPROTO_IP,
socket.IP_MULTICAST_TTL,
self.SSDP_TTL)
if ttl:
GObject.timeout_add(ttl * 1000, self.shutdown)
setproctitle.setproctitle('ssdp_listener')
self.serve_forever(self)
logger.info('SSDPListener.run()')
Example #12
| Source File: __init__.py From ros2cli with Apache License 2.0 | 6 votes |
|
def receive(*, group=DEFAULT_GROUP, port=DEFAULT_PORT, timeout=None):
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
try:
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
try:
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
except AttributeError:
# not available on Windows
pass
s.bind(('', port))
s.settimeout(timeout)
mreq = struct.pack('4sl', socket.inet_aton(group), socket.INADDR_ANY)
s.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
try:
data, sender_addr = s.recvfrom(4096)
finally:
s.setsockopt(socket.IPPROTO_IP, socket.IP_DROP_MEMBERSHIP, mreq)
finally:
s.close()
return data, sender_addr
Example #13
| Source File: hello.py From ros2cli with Apache License 2.0 | 6 votes |
|
def __init__(self, summary_table, group=DEFAULT_GROUP, port=DEFAULT_PORT, timeout=None):
self._dummy_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
self._socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
try:
self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
try:
self._socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
except AttributeError:
# not available on Windows
pass
self._socket.bind(('', port))
self._socket.settimeout(timeout)
self._mreq = struct.pack('4sl', socket.inet_aton(group), socket.INADDR_ANY)
self._socket.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, self._mreq)
except Exception:
self._dummy_socket.close()
self._socket.close()
raise
self._is_shutdown = False
self._summary_table = summary_table
self._group = group
self._port = port
Example #14
| Source File: natnet.py From natnetclient with GNU General Public License v2.0 | 5 votes |
|
def __init__(self, client_ip=CLIENT_ADDRESS, port=PORT_DATA, max_packet_size=MAX_PACKETSIZE):
"""Internet Protocol socket with presets for Motive Data Socket."""
super(NatDataSocket, self).__init__(client_ip, port, max_packet_size)
# Configure and Connect socket
self._sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
mreq = socket.inet_aton(MULTICAST_ADDRESS) + socket.inet_aton(client_ip)
self._sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
self._sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, OPT_VAL)
self._sock.bind((client_ip, port))
# self.bind((Optitrack.CLIENT_ADDRESS, socket.htons(Optitrack.PORT_DATA))) # If the above line doesn't work.
self._sock.settimeout(60.0)
Example #15
| Source File: ssdp.py From script.tubecast with MIT License | 5 votes |
|
def __init__(self, addr, handler, chromecast_addr, poll_interval=0.5, bind_and_activate=True, interfaces=None):
ThreadingUDPServer.__init__(self, ('', addr[1]),
handler,
bind_and_activate)
ControlMixin.__init__(self, handler, poll_interval)
self.chromecast_addr = chromecast_addr
self._multicast_address = addr
self._listen_interfaces = interfaces
self.set_loopback_mode(1) # localhost
self.set_ttl(2) # localhost and local network
self.handle_membership(socket.IP_ADD_MEMBERSHIP)
Example #16
| Source File: ssdp.py From HRTunerProxy with GNU General Public License v2.0 | 5 votes |
|
def run(self):
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if hasattr(socket, "SO_REUSEPORT"):
try:
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
except socket.error as le:
# RHEL6 defines SO_REUSEPORT but it doesn't work
if le.errno == ENOPROTOOPT:
pass
else:
raise
addr = socket.inet_aton(SSDP_ADDR)
interface = socket.inet_aton('0.0.0.0')
cmd = socket.IP_ADD_MEMBERSHIP
self.sock.setsockopt(socket.IPPROTO_IP, cmd, addr + interface)
self.sock.bind(('0.0.0.0', SSDP_PORT))
self.sock.settimeout(1)
while True:
try:
data, addr = self.sock.recvfrom(1024)
self.datagram_received(data, addr)
except socket.timeout:
continue
self.shutdown()
Example #17
| Source File: udp.py From python-for-android with Apache License 2.0 | 5 votes |
|
def _joinAddr2(self, interface, addr, join):
addr = socket.inet_aton(addr)
interface = socket.inet_aton(interface)
if join:
cmd = socket.IP_ADD_MEMBERSHIP
else:
cmd = socket.IP_DROP_MEMBERSHIP
try:
self.socket.setsockopt(socket.IPPROTO_IP, cmd, addr + interface)
except socket.error, e:
return failure.Failure(error.MulticastJoinError(addr, interface,
*e.args))
Example #18
| Source File: udp.py From python-for-android with Apache License 2.0 | 5 votes |
|
def _joinAddr2(self, interface, addr, join):
addr = socket.inet_aton(addr)
interface = socket.inet_aton(interface)
if join:
cmd = socket.IP_ADD_MEMBERSHIP
else:
cmd = socket.IP_DROP_MEMBERSHIP
try:
self.socket.setsockopt(socket.IPPROTO_IP, cmd, addr + interface)
except socket.error, e:
return failure.Failure(error.MulticastJoinError(addr, interface, *e.args))
Example #19
| Source File: tva.py From movistartv2xmltv with GNU General Public License v2.0 | 5 votes |
|
def getfiles(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.settimeout(3)
sock.bind((self.mcast_grp, self.mcast_port))
mreq = struct.pack("=4sl", socket.inet_aton(self.mcast_grp), socket.INADDR_ANY)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
loop = True
chunk = {}
chunk["end"] = 0
N = 335
#Wait for an end chunk to start by the beginning
while not (chunk["end"]):
chunk = self._getchunk(sock)
firstfile = str(chunk["filetype"])+"_"+str(chunk["fileid"])
#Loop until firstfile
while (loop):
xmldata=""
chunk = self._getchunk(sock)
#Discard headers
body=chunk["data"]
while not (chunk["end"]):
xmldata+=body
chunk = self._getchunk(sock)
body=chunk["data"]
#Discard last 4bytes binary footer?
xmldata+=body[:-4]
self._files[str(chunk["filetype"])+"_"+str(chunk["fileid"])]=xmldata
N = N - 1
if (str(chunk["filetype"])+"_"+str(chunk["fileid"]) == firstfile or N == 0):
loop = False
sock.close()
Example #20
| Source File: udp.py From BitTorrent with GNU General Public License v3.0 | 5 votes |
|
def _joinAddr2(self, interface, addr, join):
addr = socket.inet_aton(addr)
interface = socket.inet_aton(interface)
if join:
cmd = socket.IP_ADD_MEMBERSHIP
else:
cmd = socket.IP_DROP_MEMBERSHIP
try:
self.socket.setsockopt(socket.IPPROTO_IP, cmd, addr + interface)
except socket.error, e:
return failure.Failure(error.MulticastJoinError(addr, interface, *e.args))
Example #21
| Source File: tv_grab_es_movistartv.py From tv_grab_es_movistartv with GNU General Public License v3.0 | 5 votes |
|
def __get_xml_files(self, mc_grp, mc_port):
try:
loop = True
chunk = {"end": 0}
max_files = 1000
_files = {}
first_file = ''
logger.debug('Descargando XML de %s:%s' % (mc_grp, mc_port))
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.settimeout(3)
sock.bind((mc_grp, int(mc_port)))
mreq = struct.pack("=4sl", socket.inet_aton(mc_grp), socket.INADDR_ANY)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
# Wait for an end chunk to start by the beginning
while not (chunk["end"]):
chunk = self.__parse_chunk(sock.recv(1500))
first_file = str(chunk["filetype"]) + "_" + str(chunk["fileid"])
# Loop until firstfile
while loop:
xmldata = ""
chunk = self.__parse_chunk(sock.recv(1500))
# Discard headers
body = chunk["data"]
while not (chunk["end"]):
xmldata += body
chunk = self.__parse_chunk(sock.recv(1500))
body = chunk["data"]
# Discard last 4bytes binary footer?
xmldata += body[:-4]
_files[str(chunk["filetype"]) + "_" + str(chunk["fileid"])] = xmldata
logger.debug('XML: %s_%s' % (chunk["filetype"], chunk["fileid"]))
max_files -= 1
if str(chunk["filetype"]) + "_" + str(chunk["fileid"]) == first_file or max_files == 0:
loop = False
sock.close()
return _files
except Exception, ex:
logger.error('Error al descargar los archivos XML: %s' % str(ex.args))
Example #22
| Source File: natnet.py From natnetclient with GNU General Public License v2.0 | 5 votes |
|
def __init__(self, client_ip=CLIENT_ADDRESS, port=PORT_DATA, max_packet_size=MAX_PACKETSIZE):
"""Internet Protocol socket with presets for Motive Data Socket."""
super(NatDataSocket, self).__init__(client_ip, port, max_packet_size)
# Configure and Connect socket
self._sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
mreq = socket.inet_aton(MULTICAST_ADDRESS) + socket.inet_aton(client_ip)
self._sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
self._sock.setsockopt(socket.SOL_SOCKET, socket.SO_RCVBUF, OPT_VAL)
self._sock.bind((client_ip, port))
# self.bind((Optitrack.CLIENT_ADDRESS, socket.htons(Optitrack.PORT_DATA))) # If the above line doesn't work.
self._sock.settimeout(60.0)
Example #23
| Source File: mcast.py From odoo13-x64 with GNU General Public License v3.0 | 5 votes |
|
def receiver(group):
# Look up multicast group address in name server and find out IP version
addrinfo = socket.getaddrinfo(group, None)[0]
# Create a socket
s = socket.socket(addrinfo[0], socket.SOCK_DGRAM)
# Allow multiple copies of this program on one machine
# (not strictly needed)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# Bind it to the port
s.bind(('', MYPORT))
group_bin = socket.inet_pton(addrinfo[0], addrinfo[4][0])
# Join group
if addrinfo[0] == socket.AF_INET: # IPv4
mreq = group_bin + struct.pack('=I', socket.INADDR_ANY)
s.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
else:
mreq = group_bin + struct.pack('@I', 0)
s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mreq)
# Loop, printing any data we receive
while True:
data, sender = s.recvfrom(1500)
while data[-1:] == '\0': data = data[:-1] # Strip trailing \0's
print(str(sender) + ' ' + repr(data))
Example #24
| Source File: registry.py From dubbo-python with Apache License 2.0 | 5 votes |
|
def __init__(self, address, callback):
Thread.__init__(self)
self.multicast_group, self.multicast_port = address.split(':')
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
# in osx we should use SO_REUSEPORT instead of SO_REUSEADDRESS
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
self.sock.bind(('', int(self.multicast_port)))
mreq = struct.pack("4sl", socket.inet_aton(self.multicast_group), socket.INADDR_ANY)
self.sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
self.callback = callback
Example #25
| Source File: udp_rx_handler.py From rift-python with Apache License 2.0 | 5 votes |
|
def create_socket_ipv4_rx_mcast(self):
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
except (IOError, OSError) as err:
self.warning("Could not create IPv4 UDP socket: %s", err)
return None
self.enable_addr_and_port_reuse(sock)
try:
sock.bind((self._multicast_address, self._local_port))
except (IOError, OSError) as err:
self.warning("Could not bind IPv4 UDP socket to address %s port %d: %s",
self._multicast_address, self._local_port, err)
return None
if sock is None:
return None
if self._local_ipv4_address:
req = struct.pack("=4s4s", socket.inet_aton(self._multicast_address),
socket.inet_aton(self._local_ipv4_address))
else:
req = struct.pack("=4sl", socket.inet_aton(self._multicast_address), socket.INADDR_ANY)
try:
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, req)
except (IOError, OSError) as err:
self.warning("Could not join IPv4 group %s for local address %s: %s",
self._multicast_address, self._local_ipv4_address, err)
return None
if not MACOS:
try:
# pylint:disable=no-member
sock.setsockopt(socket.IPPROTO_IP, socket.IP_PKTINFO, 1)
except (IOError, OSError) as err:
# Warn, but keep going; this socket option is not supported on macOS
self.warning("Could not set IP_PKTINFO socket option: %s", err)
try:
sock.setblocking(0)
except (IOError, OSError) as err:
self.warning("Could set multicast receive IPv4 UDP to non-blocking mode: %s", err)
return None
return sock
Example #26
| Source File: dns.py From mitmcanary with GNU General Public License v3.0 | 5 votes |
|
def get_mdns_sock(self):
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
if sys.platform == 'darwin':
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEPORT, 1)
sock.bind(('', 5353))
mreq = struct.pack("4sl", socket.inet_aton('224.0.0.251'), socket.INADDR_ANY)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
return sock
Example #27
| Source File: receiver.py From WaveSync with MIT License | 5 votes |
|
def connection_made(self, transport):
"Configure multicast"
sock = transport.get_extra_info('socket')
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# Check if address is multicast and join group.
group, port = self.channel
multicast = True
octets = group.split('.')
# Received audio chunk counter
self.chunk_queue.init_queue()
if len(octets) != 4:
multicast = False
else:
try:
octet_0 = int(octets[0])
if not 224 <= octet_0 <= 239:
multicast = False
except ValueError:
multicast = False
# If not multicast - end
if multicast is False:
print("Assuming unicast reception on %s:%d" % (group, port))
return
# Multicast - join group
print("Joining multicast group", group)
group = socket.inet_aton(group)
mreq = struct.pack('4sL', group, socket.INADDR_ANY)
sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
Example #28
| Source File: packetizer.py From WaveSync with MIT License | 5 votes |
|
def create_socket(self, channels, ttl, multicast_loop, broadcast, source_address=None):
"Create a UDP multicast socket"
self.sock = socket.socket(socket.AF_INET,
socket.SOCK_DGRAM,
socket.IPPROTO_UDP)
self.sock.setsockopt(socket.IPPROTO_IP,
socket.IP_MULTICAST_TTL,
ttl)
for address, port in channels:
if source_address and ipaddress.IPv4Address(address).is_multicast:
try:
self.sock.setsockopt(socket.SOL_IP,
socket.IP_MULTICAST_IF,
socket.inet_aton(source_address))
print("added membership, interface source address: %s, group: %s" % (source_address, address))
self.sock.setsockopt(socket.SOL_IP,
socket.IP_ADD_MEMBERSHIP,
socket.inet_aton(address) + socket.inet_aton(source_address))
except:
print("failed to add membership, interface source address: %s, group: %s. This is ok for unicast." % (source_address, address))
if multicast_loop is True:
self.sock.setsockopt(socket.IPPROTO_IP,
socket.IP_MULTICAST_LOOP, 1)
if broadcast is True:
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
self.destinations = [
(address, port)
for address, port in channels
]
IP_PMTUDISC_DO = 2
IP_MTU_DISCOVER = 10
# Set DF flag on IP packet (Don't Fragment) - fragmenting would be bad idea
# it's way better to chunk the packets right.
self.sock.setsockopt(socket.IPPROTO_IP, IP_MTU_DISCOVER, IP_PMTUDISC_DO)
Example #29
| Source File: mcast.py From android_universal with MIT License | 5 votes |
|
def receiver(group):
# Look up multicast group address in name server and find out IP version
addrinfo = socket.getaddrinfo(group, None)[0]
# Create a socket
s = socket.socket(addrinfo[0], socket.SOCK_DGRAM)
# Allow multiple copies of this program on one machine
# (not strictly needed)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
# Bind it to the port
s.bind(('', MYPORT))
group_bin = socket.inet_pton(addrinfo[0], addrinfo[4][0])
# Join group
if addrinfo[0] == socket.AF_INET: # IPv4
mreq = group_bin + struct.pack('=I', socket.INADDR_ANY)
s.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
else:
mreq = group_bin + struct.pack('@I', 0)
s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mreq)
# Loop, printing any data we receive
while True:
data, sender = s.recvfrom(1500)
while data[-1:] == '\0': data = data[:-1] # Strip trailing \0's
print(str(sender) + ' ' + repr(data))
Example #30
| Source File: udp_multicast.py From crazyswarm with MIT License | 5 votes |
|
def __init__(self, MCAST_GRP = '224.1.1.1', MCAST_PORT = 5007):
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
self.sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
self.sock.bind(('', MCAST_PORT)) # use MCAST_GRP instead of '' to listen only
# to MCAST_GRP, not all groups on MCAST_PORT
mreq = struct.pack("4sl", socket.inet_aton(MCAST_GRP), socket.INADDR_ANY)
self.sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
