def resolve(addr):
"""resolve host if enabled in config"""
if config.RESOLVE_HOSTS:
try:
return socket.gethostbyaddr(addr)[0]
except socket.herror, e:
logger.debug(e)
return addr
def discover(async=False):
"""Discover other hosts in the network"""
for item in config.STATICHOSTS:
url = "http://%s/" % item
yield (item, url)
s = network.broadcast_dgram_socket(config.CLIENT_PORT)
hello = config.NETWORK_NAME
s.sendto(hello, (config.BROADCAST_IP, config.PORT))
for data in recv(s, config.DISCOVER_TIMEOUT, async):
if data:
msg, (addr, port) = data
if config.STATICHOSTS and\
"%s:%i" % (addr, port) in config.STATICHOSTS:
continue
if msg.startswith(hello):
name = msg[len(hello) + 1:]
url = "http://%s:%i/" % (resolve(addr), port)
yield (name, url)
else:
yield None
else:
def __init__(self, fi):
threading.Thread.__init__(self)
self.setDaemon(True)
self.fileindex = fi
self.socket = network.broadcast_dgram_socket(config.PORT)
def resolve(addr):
"""resolve host if enabled in config"""
if config.RESOLVE_HOSTS:
try:
return socket.gethostbyaddr(addr)[0]
except socket.herror, e:
logger.debug(e)
return addr
def discover(async=False):
"""Discover other hosts in the network"""
for item in config.STATICHOSTS:
url = "http://%s/" % item
yield (item, url)
s = network.broadcast_dgram_socket(config.CLIENT_PORT)
hello = config.NETWORK_NAME
s.sendto(hello, (config.BROADCAST_IP, config.PORT))
for data in recv(s, config.DISCOVER_TIMEOUT, async):
if data:
msg, (addr, port) = data
if config.STATICHOSTS and\
"%s:%i" % (addr, port) in config.STATICHOSTS:
continue
if msg.startswith(hello):
name = msg[len(hello)+1:]
url = "http://%s:%i/" % (resolve(addr), port)
yield (name, url)
else:
yield None
else:
