def get(self, key): """ Get a key if the network has it. @return: C{None} if not found, the value otherwise. """ node = Node(digest(key)) nearest = self.protocol.router.findNeighbors(node) if len(nearest) == 0: self.log.warning("There are no known neighbors to get key %s" % key) return defer.succeed(None) spider = ValueSpiderCrawl(self.protocol, node, nearest, self.ksize, self.alpha) return spider.find()
def get(self, key): """ Get a key if the network has it. Returns: :class:`None` if not found, the value otherwise. """ dkey = digest(key) # if this node has it, return it if self.storage.get(dkey) is not None: return defer.succeed(self.storage.get(dkey)) node = Node(dkey) nearest = self.protocol.router.findNeighbors(node) if len(nearest) == 0: self.log.warning("There are no known neighbors to get key %s" % key) return defer.succeed(None) spider = ValueSpiderCrawl(self.protocol, node, nearest, self.ksize, self.alpha) return spider.find()