def receive(self, sock, recvthread):
"""Receive new connection
"""
output.vvdbg("Receiving packet on UDP socket "+str(sock),
self.__class__.__name__)
data, addr = sock.recvfrom(self.maxlen)
self.scheduler.post_event(message(sock, data, addr))
def run(self):
"""Main loop
"""
while self.running:
if (len(self._events) == 0):
#Sleep for some time if nothing to do
time.sleep(self.sleep)
continue
else:
while (self._events.has_event_ready()):
(t, event) = self._events.get_next()
if ((t-time.time()) > self.tolerance):
output.warn("Event "+event.name+" scheduled for "+str(t)+\
" is being run at time "+str(time.time()),
self.__class__.__name__)
else:
output.vvdbg("Event "+event.name+" scheduled for "+str(t)+\
" is being run at time "+str(time.time()),
self.__class__.__name__)
self._dispatch_event(event)
ntime = self.sleep
if (len(self._events) > 0):
ntime = self._events.get_next_time() - time.time()
time.sleep(min(ntime, self.sleep))
def add(self, event, clock):
"""Add event
@param event event to add
@param clock time to dispatch (based on time.time())
"""
p = bisect.bisect(self.__time, clock)
bisect.insort(self.__time, clock)
self.__events.insert(p, event)
output.vvdbg(str(event)+" inserted for dispatch at time "+str(clock),
self.__class__.__name__)
def receive(self, sock, recvthread):
"""Receive new connection
"""
output.vvdbg("Receiving packet on raw socket "+str(sock),
self.__class__.__name__)
data = sock.recv(self.maxlen)
if (self.handler == None):
self.scheduler.post_event(message(sock, data))
else:
self.scheduler.post_event(yapc.priv_callback(self.handler,
message(sock, data)))
def post_event(self, event, clock):
"""Post event
@param event event to post
@param clock time to post event
@return success status
"""
if (clock > (time.time()+self.sleep)):
self._events.add(event, clock)
output.vvdbg("Added event "+event.name+" for time "+str(clock),
self.__class__.__name__)
return True
else:
output.warn("Cannot add event "+event.name+\
" shorter than "+str(self.sleep)+\
" before execution time",
self.__class__.__name__)
return False
def _dispatch_event(self, event):
"""Dispatch next event
@param event event to dispatch
"""
#Dispatch event
if (isinstance(event, yapc.priv_callback)):
self.__handle_event(event.handler, event)
output.vvdbg("Event "+event.name+" dispatched to "+
event.handler.__class__.__name__,
self.__class__.__name__)
else:
try:
for handler in self._processors[event.name]:
output.vvdbg("Dispatch "+event.name+\
" to "+handler.__class__.__name__,
self.__class__.__name__)
if (not self.__handle_event(handler, event)):
break
except KeyError:
#No handler, so pass
output.vdbg("Event "+str(event.name)+" does not have handler",
self.__class__.__name__)
