Python socket.IPV6_JOIN_GROUP() Examples

The following are code examples for showing how to use socket.IPV6_JOIN_GROUP(). They are extracted from open source Python projects. You can vote up the examples you like or vote down the ones you don't like. You can also save this page to your account.

Example 1
Project: vagus   Author: privacore   File: UDPMulticastHandler.py    (license) View Source Project 6 votes vote down vote up
def setup_ipv6_multicast_socket(ifaddrs, if_name, addr):
	#todo: if_name ignored
	s = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
	s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
	s.bind(("", Config.udp_multicast.port))
	
	s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, Config.udp_multicast.ttl)
	s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_LOOP, 0)
	
	mreq = struct.pack("16s16s", socket.inet_pton(socket.AF_INET6,addr), chr(0)*16)
	
	s.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mreq)
	
	s.setblocking(0)
	
	multicast_socket_ipv6.append((s,addr))
	
	return True 
Example 2
Project: maas   Author: maas   File: services.py    (license) View Source Project 6 votes vote down vote up
def join_ipv6_beacon_group(sock, ifindex):
    """Joins the MAAS IPv6 multicast group using the specified UDP socket.

    :param sock: An opened IPv6 UDP socket.
    :param ifindex: The interface index that should join the multicast group.
    """
    # XXX mpontillo 2017-06-21: Twisted doesn't support IPv6 here yet.
    # It would be nice to do this:
    # transport.joinGroup(BEACON_IPV6_MULTICAST)
    ipv6_join_sockopt_args = (
        socket.inet_pton(socket.AF_INET6, BEACON_IPV6_MULTICAST) +
        struct.pack("I", ifindex)
    )
    try:
        sock.setsockopt(
            socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP,
            ipv6_join_sockopt_args)
    except OSError:
        # Do this on a best-effort basis. We might get an "Address already in
        # use" error if the group is already joined, or (for whatever reason)
        # it is not possible to join a multicast group using this interface.
        pass 
Example 3
Project: python2-tracer   Author: extremecoders-re   File: mcast.py    (license) View Source Project 5 votes vote down vote up
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 4
Project: multicastclient   Author: MickMack1983   File: client.py    (license) View Source Project 5 votes vote down vote up
def __init__(self, clientId, port, addr):
        self.PORT = port  # 26000
        self.ADDR = addr  # 'ff01::1' #IPV6 Multicast Address
        self.clientId = clientId
        self.closing = False

        addrInfo = socket.getaddrinfo(self.ADDR, None)[0]
        self.socket = socket.socket(addrInfo[0], socket.SOCK_DGRAM)
        self.socket.setsockopt(IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, 1)
        self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
        self.socket.bind(('', self.PORT))

        #Join Multicast grp.
        group = socket.inet_pton(addrInfo[0], addrInfo[4][0])
        mreq = group + struct.pack('@I', 0)
        self.socket.setsockopt(IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mreq)

        self.__registeredBusInterfaces = dict()
        self.subPatterns = dict()
        self.subPatternLock = Lock()
        self.requestQueues = dict()
        self.inboxLock = Lock()
        self.inbox = []
        if not os.name == 'nt':
            r, w = os.pipe()
            self.sigKill = os.fdopen(w, 'w')
            self.isKilled = os.fdopen(r, 'r')