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changeroute.py
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#!/usr/bin/env python
# coding: utf-8
#-*- coding:UTF-8 -*-
#random ip auth:hpboole 2016-4-19
#定义字典，从字典随机取一对键值，或者从字典中轮循取键值（堆栈式或队列式）
#将字典中的key用于路由route add -host $dest dev $nowkey 并删除原来的路由 route del -host $dest dev $oldkey
#这个操作将定时执行
#定义一个定时器，每隔一段时间，就将添加新的路由表，再删除原来的路由表，以使字典中的值是当前向外访问的IP地址。
import threading
import time
import os,sys,socket,random
#从字典中随机（或顺序轮循取一个设备名），并判断如果是eth0设备还是eth1的设备，并将最终取得的设备返回
#执行更换路由的操作，首先添加一个新的路由，再将旧的路由删除11111111 11111111 111111111 11000000
def ChangRoute():
DictDevIP ={'eth0:0':'219.129.216.112',
'eth0:1':'221.5.44.112',
'eth0:2':'219.129.216.113',
'eth0:3':'221.5.44.113',
'eth0:4':'219.129.216.115',
'eth0:5':'221.5.44.115',
'eth0:6':'219.129.216.117',
'eth0:7':'221.5.44.117',
'eth0:8':'219.129.216.120',
'eth0:9':'221.5.44.120',
'eth0:10':'219.129.216.121',
'eth0:11':'221.5.44.121',
'eth1:1':'58.253.67.139',
'eth1:2':'125.90.93.19',
'eth1:3':'58.253.67.147',
'eth1:4':'125.90.93.32',
'eth1:5':'58.253.67.160',
'eth1:6':'125.90.93.33',
'eth1:7':'58.253.67.161',
'eth1:8':'125.90.93.40',
'eth1:9':'58.253.67.168',
'eth1:10':'125.90.93.42',
'eth1:11':'58.253.67.170',
'eth1:12':'125.90.93.84',
'eth1:13':'58.253.67.212',
'eth2:1':'58.253.71.13',
'eth2:2':'121.10.140.16',
'eth2:3':'58.253.71.16',
'eth2:4':'121.10.140.18',
'eth2:5':'58.253.71.18',
'eth2:6':'121.10.140.30',
'eth2:7':'58.253.71.30',
'eth2:8':'121.10.140.40',
'eth2:9':'58.253.71.40',
'eth2:10':'121.10.140.41',
'eth2:11':'58.253.71.41'}
dest='0.0.0.0'
eth0gw='219.129.216.1'
eth1gw='125.90.93.1'
eth2gw='121.10.140.1'
# DevIPX = DictDevIP.values()
RandDev = random.choice(DictDevIP.keys())
DelDevName = RandDev
fp = open("ethX.log",'r')
DelDevName = fp.readline()
fp.close()
fp = open("ethX.log",'w')
fp.write(RandDev)
fp.close()
if "eth0" in DelDevName:
delroute="route del -net " + dest + " gw " + eth0gw + " dev " + DelDevName
elif "eth1" in DelDevName:
delroute="route del -net " + dest + " gw " + eth1gw + " dev " + DelDevName
else:
delroute="route del -net " + dest + " gw " + eth2gw + " dev " + DelDevName
if "eth0" in RandDev:
addroute="route add -net " + dest + " gw " + eth0gw + " dev " + RandDev
elif "eth1" in RandDev:
addroute="route add -net " + dest + " gw " + eth1gw + " dev " + RandDev
else:
addroute="route add -net " + dest + " gw " + eth2gw + " dev " + RandDev
#执行系统命令，或许也有Python的模块能用于执行，暂时用最简单的方式来执行
# print delroute
# print addroute
# print "'print the command and devices:' + '\n' delroute + '\n',addroute + '\n'"
# print "The RandDev:"
# print RandDev
# print "The DelDevName:"
# print DelDevName
os.system(delroute)
os.system(addroute)
#这是一个定时器，用于定义多长时间执行一次。定时器存在问题，运行时有错误，暂时放一放
def RollTime(func, day=0, hour=0, min=0, second=0):
# 初始化时间
now = datetime.now()
strnow = now.strftime('%Y-%m-%d %H:%M:%S')
print "now:",strnow
# 定义第一次运行后下次运行的时间
period = timedelta(days=day, hours=hour, minutes=min, seconds=second)
next_time = now + period
strnext_time = next_time.strftime('%Y-%m-%d %H:%M:%S')
print "next run:",strnext_time
while True:
# 获取系统当前时间
iter_now = datetime.now()
iter_now_time = iter_now.strftime('%Y-%m-%d %H:%M:%S')
if str(iter_now_time) == str(strnext_time):
# 获取事件运行的时间
print "start work: %s" % iter_now_time
#运行任务
func()
print "task done."
# 获取下一个任务的时间
iter_time = iter_now + period
strnext_time = iter_time.strftime('%Y-%m-%d %H:%M:%S')
print "next_iter: %s" % strnext_time
# 继续下一个任务
continue
def fun_timer():
global timer
while True:
timer = threading.Timer(5,ChangRoute)
timer.start()
if __name__ == '__main__':
while True:
timer = threading.Timer(5,ChangRoute)
timer.start()
time.sleep(15)
# RollTime(ChangRoute, min=0.5)
# RollTime(ChangRoute, day=0, hour=0, min=1)