def main(ip):
"""Create a multicast socket, send a message, check it comes back"""
port = PORT
sock = mcastsocket.create_socket( (ip,port), loop=False )
mcastsocket.join_group( sock, GROUP )
try:
payload = query % locals()
while True:
sock.sendto( payload, 0, (GROUP,PORT))
#print 'Waiting for responses'
rs,wr,xs = select.select( [sock],[],[], 20.0 )
if rs:
data, addr = sock.recvfrom( 2000 )
handle( sock, data, addr )
return 1
finally:
mcastsocket.leave_group( sock, GROUP )
def __init__(self, bindaddress=None):
"""Creates an instance of the Bonjour class, establishing
multicast communications, listening and reaping threads."""
globals()['_GLOBAL_DONE'] = 0
if bindaddress is None:
self.intf = socket.gethostbyname(socket.gethostname())
bindaddress = self.intf
else:
self.intf = bindaddress
self.socket = mcastsocket.create_socket( (bindaddress, dns._MDNS_PORT) )
mcastsocket.join_group( self.socket, dns._MDNS_ADDR )
self.listeners = []
self.browsers = []
self.services = {}
self.cache = dns.DNSCache()
self.condition = threading.Condition()
self.engine = Engine(self)
self.listener = Listener(self)
self.reaper = Reaper(self)
