def handle(self):
cdp = CiscoCDPMib(self.agent)
stampcheck = yield self._get_stampcheck(cdp)
remote_table_has_changed = yield stampcheck.is_changed()
need_to_collect = remote_table_has_changed
if not remote_table_has_changed:
cache = yield self._get_cached_neighbors()
if cache is not None:
self._logger.debug("Using cached CDP neighbors")
self.neighbors = cache
else:
self._logger.debug(
"CDP cache table didn't change, but local cache was empty"
)
need_to_collect = True
if need_to_collect:
self._logger.debug("collecting CDP cache table")
self.neighbors = yield cdp.get_cdp_neighbors()
if self.neighbors:
self._logger.debug("CDP neighbors:\n %r", self.neighbors)
yield run_in_thread(self._process_neighbors)
yield self._save_cached_neighbors(self.neighbors)
else:
self._logger.debug("No CDP neighbors to process")
# Store sentinels to signal that CDP neighbors have been processed
shadows.AdjacencyCandidate.sentinel(self.containers, SOURCE)
shadows.UnrecognizedNeighbor.sentinel(self.containers, SOURCE)
stampcheck.save()
def handle(self):
cdp = CiscoCDPMib(self.agent)
stampcheck = yield self._stampcheck(cdp)
need_to_collect = yield stampcheck.is_changed()
if need_to_collect:
cache = yield cdp.get_cdp_neighbors()
if cache:
self._logger.debug("found CDP cache data: %r", cache)
self.cache = cache
yield run_in_thread(self._process_cache)
stampcheck.save()
def handle(self):
cdp = CiscoCDPMib(self.agent)
stampcheck = yield self._stampcheck(cdp)
need_to_collect = yield stampcheck.is_changed()
if need_to_collect:
cache = yield cdp.get_cdp_neighbors()
if cache:
self._logger.debug("found CDP cache data: %r", cache)
self.cache = cache
yield run_in_thread(self._process_cache)
stampcheck.save()
def handle(self):
cdp = CiscoCDPMib(self.agent)
stampcheck = yield self._stampcheck(cdp)
need_to_collect = yield stampcheck.is_changed()
if need_to_collect:
self._logger.debug("collecting CDP cache table")
cache = yield cdp.get_cdp_neighbors()
if cache:
self._logger.debug("found CDP cache data: %r", cache)
self.cache = cache
yield run_in_thread(self._process_cache)
# Store sentinel to signal that CDP neighbors have been processed
shadows.AdjacencyCandidate.sentinel(self.containers, SOURCE)
else:
self._logger.debug("CDP cache table seems unchanged")
stampcheck.save()