| # Copyright 2016 Twitter. All rights reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| '''socket_options.py''' |
| |
| from collections import namedtuple |
| from heron.common.src.python.utils.log import Log |
| import heron.common.src.python.system_constants as const |
| from heron.common.src.python.config import system_config |
| |
| SocketOptions = namedtuple('Options', 'nw_write_batch_size_bytes, nw_write_batch_time_ms, ' |
| 'nw_read_batch_size_bytes, nw_read_batch_time_ms, ' |
| 'sock_send_buf_size_bytes, sock_recv_buf_size_bytes') |
| |
| def create_socket_options(): |
| """Creates SocketOptions object from a given sys_config dict""" |
| sys_config = system_config.get_sys_config() |
| opt_list = [const.INSTANCE_NETWORK_WRITE_BATCH_SIZE_BYTES, |
| const.INSTANCE_NETWORK_WRITE_BATCH_TIME_MS, |
| const.INSTANCE_NETWORK_READ_BATCH_SIZE_BYTES, |
| const.INSTANCE_NETWORK_READ_BATCH_TIME_MS, |
| const.INSTANCE_NETWORK_OPTIONS_SOCKET_RECEIVED_BUFFER_SIZE_BYTES, |
| const.INSTANCE_NETWORK_OPTIONS_SOCKET_SEND_BUFFER_SIZE_BYTES] |
| |
| Log.debug("In create_socket_options()") |
| try: |
| value_lst = [int(sys_config[opt]) for opt in opt_list] |
| sock_opt = SocketOptions(*value_lst) |
| return sock_opt |
| except ValueError as e: |
| # couldn't convert to int |
| raise ValueError("Invalid value in sys_config: %s" % e.message) |
| except KeyError as e: |
| # option key was not found |
| raise KeyError("Incomplete sys_config: %s" % e.message) |