def trigger_event(self, callback = None, *args):
if callback:
self._callback_lock.acquire()
try:
self._callbacks.append((callback, args))
finally:
self._callback_lock.release()
return Trigger.trigger_event(self)
def close(self):
self._callback_lock.acquire()
try:
for callback, args in self._callbacks:
print 'Callback discarded because close: %s' % callback
self._callbacks = []
finally:
self._callback_lock.release()
return Trigger.close(self)
def handle_read (self):
result = Trigger.handle_read(self)
self._callback_lock.acquire()
try:
for callback, args in self._callbacks:
try:
callback(*args)
except:
msglog.exception()
self._callbacks = []
finally:
self._callback_lock.release()
return result
def __init__ (self, socketmap):
self._callbacks = []
self._callback_lock = Lock()
Trigger.__init__(self, socketmap)
