def watch_path(self, path, watch_type, container):
'''
Watch the specified path as specified type
'''
if watch_type == zk.CHANGED_EVENT_DEF:
watch_matchers = (ZooKeeperWatcherEvent.createMatcher(None, None, self.protocol, zk.CHANGED_EVENT_DEF, None, path),
ZooKeeperWatcherEvent.createMatcher(None, None, self.protocol, zk.DELETED_EVENT_DEF, None, path))
else:
watch_matchers = (ZooKeeperWatcherEvent.createMatcher(None, None, self.protocol, watch_type, None, path),)
# If the session expires, raise exception and exit
session_state = ZooKeeperSessionStateChanged.createMatcher(ZooKeeperSessionStateChanged.EXPIRED,
self,
self.session_id)
auth_failed = ZooKeeperSessionStateChanged.createMatcher(ZooKeeperSessionStateChanged.AUTHFAILED,
self,
self.session_id)
# If the watchers are restored, restore the matchers
restore_matcher = ZooKeeperRestoreWatches.createMatcher(self, self.session_id, True)
while True:
yield (session_state, auth_failed, restore_matcher) + watch_matchers
if container.matcher is session_state or container.matcher is auth_failed:
raise ZooKeeperSessionUnavailable(container.event.state)
elif container.matcher is restore_matcher:
ev = container.event
ev.restore_watches[{zk.CHANGED_EVENT_DEF : 0,
zk.CREATED_EVENT_DEF : 1,
zk.CHILD_EVENT_DEF : 2}[watch_type]].add(path)
else:
watcher_event = container.event.message
if watcher_event.path:
watcher_event.path = self.unchroot_path(watcher_event.path)
container.retvalue = watcher_event
break
def watch_path(self, path, watch_type, container):
'''
Watch the specified path as specified type
'''
if watch_type == zk.CHANGED_EVENT_DEF:
watch_matchers = (ZooKeeperWatcherEvent.createMatcher(None, None, self.protocol, zk.CHANGED_EVENT_DEF, None, path),
ZooKeeperWatcherEvent.createMatcher(None, None, self.protocol, zk.DELETED_EVENT_DEF, None, path))
else:
watch_matchers = (ZooKeeperWatcherEvent.createMatcher(None, None, self.protocol, watch_type, None, path),)
# If the session expires, raise exception and exit
session_state = ZooKeeperSessionStateChanged.createMatcher(ZooKeeperSessionStateChanged.EXPIRED,
self,
self.session_id)
auth_failed = ZooKeeperSessionStateChanged.createMatcher(ZooKeeperSessionStateChanged.AUTHFAILED,
self,
self.session_id)
# If the watchers are restored, restore the matchers
restore_matcher = ZooKeeperRestoreWatches.createMatcher(self, self.session_id, True)
while True:
yield (session_state, auth_failed, restore_matcher) + watch_matchers
if container.matcher is session_state or container.matcher is auth_failed:
raise ZooKeeperSessionUnavailable(container.event.state)
elif container.matcher is restore_matcher:
ev = container.event
ev.restore_watches[{zk.CHANGED_EVENT_DEF : 0,
zk.CREATED_EVENT_DEF : 1,
zk.CHILD_EVENT_DEF : 2}[watch_type]].add(path)
else:
watcher_event = container.event.message
if watcher_event.path:
watcher_event.path = self.unchroot_path(watcher_event.path)
container.retvalue = watcher_event
break
def watcher(self):
watcher = ZooKeeperWatcherEvent.createMatcher(connection = self.client)
while True:
yield (watcher,)
print('WatcherEvent: %r' % (dump(self.apiroutine.event.message),))
async def watcher(self):
watcher = ZooKeeperWatcherEvent.createMatcher(connection=self.client)
while True:
ev = await watcher
print('WatcherEvent: %r' % (dump(ev.message), ))
def watcher(self):
watcher = ZooKeeperWatcherEvent.createMatcher()
while True:
yield (watcher,)
print('WatcherEvent: %r' % (dump(self.apiroutine.event.message),))
