def _received_find_value_rpc(self, data_packet): '''Find value rpc callback''' _logger.debug('Find value %s←%s', self.address, data_packet.address) key = KeyBytes.new_silent(data_packet.dict_obj.get(JSONKeys.KEY, 'fake')) index = KeyBytes.new_silent(data_packet.dict_obj.get(JSONKeys.INDEX)) if not key: _logger.debug('Find value %s←%s bad key', self.address, data_packet.address) return _logger.debug('Find value %s←%s k=%s i=%s', self.address, data_packet.address, key, index) kvpid = KVPID(key, index) if index and kvpid in self._kvp_table: kvp_record = self._kvp_table.record(kvpid) d = self._template_dict() d[JSONKeys.VALUES] = KVPExchangeInfoList([ KVPExchangeInfo.from_kvp_record(kvp_record) ]).to_json_dumpable() self._network.send_answer_reply(data_packet, d) elif self._kvp_table.indices(key): kvp_record_list = self._kvp_table.records_by_key(key) d = self._template_dict() d[JSONKeys.VALUES] = KVPExchangeInfoList.from_kvp_record_list( kvp_record_list).to_json_dumpable() self._network.send_answer_reply(data_packet, d) else: self._reply_find_node(data_packet, key)
def _received_find_node_rpc(self, data_packet): '''Find node RPC callback''' _logger.debug('Find node %s←%s', self.address, data_packet.address) key_obj = KeyBytes.new_silent(data_packet.dict_obj.get(JSONKeys.KEY)) if not key_obj: _logger.debug('Find node %s←%s bad key', self.address, data_packet.address) return self._reply_find_node(data_packet, key_obj)
def _received_get_value_rpc(self, data_packet): '''Get value rpc calllback''' _logger.debug('Get value %s←%s', self.address, data_packet.address) self._update_routing_table_from_data_packet(data_packet) key = KeyBytes.new_silent(data_packet.dict_obj[JSONKeys.KEY]) index = KeyBytes.new_silent(data_packet.dict_obj[JSONKeys.INDEX]) transfer_id = data_packet.dict_obj.get(JSONKeys.TRANSFER_ID) if not transfer_id: _logger.debug('Missing transfer id') return try: offset = data_packet.dict_obj.get(JSONKeys.VALUE_OFFSET, 0) except TypeError as e: _logger.debug('Offset parse error %s', e) return kvpid = KVPID(key, index) if not kvpid in self._kvp_table: _logger.debug('KeyBytes not in cache') return data = self._kvp_table[kvpid] task = self._network.send_bytes(data_packet.address, transfer_id, data[offset:]) bytes_sent = task.result() _logger.debug('Sent %d bytes', bytes_sent)