def pns_root (self, right):
# set the L=R, bind a UDP port and move to "in-circle" state
assert None == self.log ('root ip="%s"' % right[0], 'debug')
self.pns_left = right[0]
if self.socket == None:
ip_peer.udp_bind (
self, self.pns_peer.pns_udp.addr[0]
)
self.pns_in_circle (right)
def __init__ (self, pns_peer, ip):
self.pns_peer = pns_peer
self.pns_joined = {}
self.pns_accepted = {}
timeouts.Timeouts.__init__ (self, 3, 0.3)
if ip_peer.udp_bind (self, ip, 3534):
subscribed = pns_peer.pns_subscribed
subscriptions = pns_peer.pns_subscriptions
for name in subscribed.keys ():
subscribed[name] = self.pns_subscribe (
name, subscriptions[name]
)
def pns_join (self, left):
assert None == self.log ('join ip="%s"' % left, 'debug')
if self.socket == None:
if not ip_peer.udp_bind (
self, self.pns_peer.pns_udp.addr[0]
):
self.pns_left = None # failed to join
return
if self.sendto (self.PNS_SP, (left, 3534)) > 0:
# joining now
self.pns_statements[self.PNS_SP] = self.pns_left = left
self.pns_peer.pns_udp.timeouts_push ((
self.pns_name, self.PNS_SP
))
else:
self.pns_left = None # failed to join
def dns_connect (self):
"bind the dispatcher to a UDP/IP socket"
return ip_peer.udp_bind (self, self.dns_ip)
def dns_connect(self):
"bind the dispatcher to a UDP/IP socket"
return ip_peer.udp_bind(self, self.dns_ip)