| # -- coding: utf-8 -- |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| from . import CsHelper |
| import logging |
| |
| |
| class CsRule: |
| """ Manage iprules |
| Supported Types: |
| fwmark |
| """ |
| |
| def __init__(self, dev): |
| self.dev = dev |
| self.tableNo = 100 + int(dev[3:]) |
| self.table = "Table_%s" % (dev) |
| |
| def addRule(self, rule): |
| if not self.findRule(rule + " lookup " + self.table): |
| cmd = "ip rule add " + rule + " table " + self.table |
| CsHelper.execute(cmd) |
| logging.info("Added rule %s for %s" % (cmd, self.table)) |
| |
| def findRule(self, rule): |
| for i in CsHelper.execute("ip rule show"): |
| if rule in i.strip(): |
| return True |
| return False |
| |
| def addMark(self): |
| if not self.findMark(): |
| cmd = "ip rule add fwmark %s table %s" % (self.tableNo, self.table) |
| CsHelper.execute(cmd) |
| logging.info("Added fwmark rule for %s" % (self.table)) |
| |
| def delMark(self): |
| if self.findMark(): |
| cmd = "ip rule delete fwmark %s table %s" % (self.tableNo, self.table) |
| CsHelper.execute(cmd) |
| logging.info("Deleting fwmark rule for %s" % (self.table)) |
| |
| def findMark(self): |
| srch = "from all fwmark %s lookup %s" % (hex(self.tableNo), self.table) |
| for i in CsHelper.execute("ip rule show"): |
| if srch in i.strip(): |
| return True |
| return False |