def __init__(self): self._pid = os.getpid() self._loop = libev.Loop() self._notifier = libev.Async(self._loop) self._notifier.start() # prevent _notifier from keeping the loop from returning self._loop.unref() self._started = False self._shutdown = False self._lock = Lock() self._lock_thread = Lock() self._thread = None # set of all connections; only replaced with a new copy # while holding _conn_set_lock, never modified in place self._live_conns = set() # newly created connections that need their write/read watcher started self._new_conns = set() # recently closed connections that need their write/read watcher stopped self._closed_conns = set() self._conn_set_lock = Lock() self._preparer = libev.Prepare(self._loop, self._loop_will_run) # prevent _preparer from keeping the loop from returning self._loop.unref() self._preparer.start() self._timers = TimerManager() self._loop_timer = libev.Timer(self._loop, self._on_loop_timer)
else: if timeout is not None: timeout -= 0.01 if timeout <= 0.0: raise OperationTimedOut() time.sleep(0.01) try: return waiter.deliver(timeout) except OperationTimedOut: raise except Exception, exc: self.defunct(exc) raise def register_watcher(self, event_type, callback): self._push_watchers[event_type].add(callback) self.wait_for_response(RegisterMessage(event_list=[event_type])) def register_watchers(self, type_callback_dict): for event_type, callback in type_callback_dict.items(): self._push_watchers[event_type].add(callback) self.wait_for_response( RegisterMessage(event_list=type_callback_dict.keys())) _preparer = libev.Prepare(_loop, LibevConnection.loop_will_run) # prevent _preparer from keeping the loop from returning _loop.unref() _preparer.start()