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【Python】 wifi 掉线自动重连

作者:彧福 / 发布于2015/5/11/ 444

有一些地区的网络不是很稳定,当你挂机下载或者看在线视频的的时候经常出现网络断开的问题,该脚本正是帮你解决这个问题的!!
代码实现非常简单,每隔一段时间检查网络(ping),如果发现有问题,尝试断开重连!!!!
环境:python2.7 + win!!!!!
run:
修改:TP-LINK_490A 为您自己的wifi热点名称
python net.py

对了,你还需要在目录下建一个rc_count.txt 文件;
里面放一个数字就可以啦!!这是记录重连次数的,当然你也可以注释掉那部分代码!!!


	#!/usr/bin/env python
	# coding: utf-8
	__author__ = 'Elva'
	
	import os
	import time
	import sys
	#import datetime
	
	from time import localtime, strftime
	
	###每N分钟检查一次网络,如果断开进行重连
	#f_handler=open('net_check.log', 'w')
	#sys.stdout=f_handler
	
	#ISOFORMAT='%Y-%m-%d %H:%M:%S' #设置输出格式
	
	# isinstance(c,int)
	#
	CAO_NI_MA3 = '''
	 　 　　　　┏┓　　　┏┓
	 　 　　　┏┛┻━━━┻┗┓
	 　 　　　┃　　　　　　　┃
	 　 　　　┃　　　━　　　┃
	 　 　　　┃　┳┛　┗┳　┃
	 　 　　　┃　　　　　　　┃
	 　 　　　┃　　　┻　　　┃
	 　 　　　┗━┓ 神 ┏━┛
	 　 　　　　　┃　兽 ┃
	 　 　┏━━━┛　佑　┃
	 　 ┏┛ 护 ┃
	 　 ┗┓ ┃
	 　 　┗┓┏┳━┓┏┏┛
	 　 　　┣┣┃　┣┣┃
	 　 　　┗┻┛　┗┻┛ '''
	
	
	CAO_NI_MA = '''
	 　　　　　┏┓　　　┏┓
	 　　　　┏┛┻━━━┻┗┓
	 　　　　┃　　　　　　　┃
	 　　　　┃　　　━　　　┃
	 　　　　┃　┳┛　┗┳　┃
	 　　　　┃　　　　　　　┃
	 　　　　┃　　　┻　　　┃
	 　　　　┗━┓ ┏━┛
	 　　　　　　┃　草　┃
	 　　┏━━━┛　尼　┃
	 　┏┛ 玛 ┃
	 　┗┓ ┃
	 　　┗┓┏┳━┓┏┏┛
	 　　　┣┣┃　┣┣┃
	 　　　┗┻┛　┗┻┛ '''
	
	def incCount():
	 '''计数+1'''
	 fh = open("rc_count.txt",'r+')
	 count_ = fh.read()
	 count_ = int(count_)
	 count_ = count_ + 1
	 #print count_
	 fh.seek(0)
	 fh.write(str(count_))
	 fh.close()
	
	def log(text):
	 ''' 记录日志'''
	 #global ISOFORMAT
	 #now = datetime.datetime.now()
	 nowStr = strftime("%Y-%m-%d %H:%M:%S", localtime());
	 msg = nowStr + " : " + text
	 print(msg)
	 fh = open("_netcheck.log",'a')
	 fh.write(msg + "\n")
	 fh.close()
	log("********************【--GOOD_LUCK--】********************")
	log(CAO_NI_MA3)
	log("********************【--GOOD_LUCK--】********************")
	#log("qcc")
	
	#等待多少秒
	def wait(s):
	 ''' 等待S秒'''
	 #print("---------------------SLEEP(%ss)--------------------" %s)
	 if s <= 0:
	 return
	 i = s*2-1;
	 while i > 0:
	 i=i-1
	 time.sleep(0.5)
	 print '.',
	 time.sleep(0.5)
	 print '.'
	 #print("---------------------SLEEP(%ss)-------------------" %s)
	#wait(3)
	#检查网络计数
	check_net_count = 0
	#重连计数
	reconnect_count = 0
	#域名索引
	domain_index = 0
	def check_net():
	 '''检查网络'''
	 print("");
	 global check_net_count
	 global reconnect_count
	 global domain_index
	 check_net_count=check_net_count+1
	 log("---------------------CHECK_NET_STA(%d)---------------------" %check_net_count)
	 #ping_list =["www.qq.com","www.163.com","www.sohu.com","www.sina.com","www.oschina.net","www.hao123.com","www.taobao.com","www.autohome.com.cn","www.youku.com","www.jd.com","www.iteye.com","www.ctrip.com"]
	 ping_list = ["www.baidu.com","www.weibo.com","www.qq.com","www.163.com","www.sohu.com","www.sina.com","www.oschina.net","www.hao123.com","www.taobao.com","www.autohome.com.cn","www.youku.com","www.jd.com","www.1688.com","www.iteye.com","mail.126.com","www.ctrip.com","www.360.cn","www.iciba.com","www.wiz.cn","www.csdn.net","www.net.cn","mail.163.com","www.weiyun.com","www.suning.com","www.ganji.com","www.xcar.com.cn","mail.qq.com","www.ifeng.com","www.yhd.com","www.liepin.com","www.xunlei.com","www.weibo.cn","www.xxsy.net","www.dianping.com","www.mop.com","www.126.com","www.zol.com.cn","www.qunar.com","www.alipay.com","www.17173.com","www.4399.com","www.fang.com","www.baihe.com","www.51job.com","www.letv.com","www.iqiyi.com","www.58.com","www.amazon.cn","www.gome.com.cn"]
	 #ping_list =["www.baidu.com","www.qq.com","www.163.com","www.sohu.com","www.sina.com","www.oschina.net"]
	 ping_str = "ping -n 1 " + ping_list[(domain_index)%(len(ping_list))]
	 log("INFO:PING:["+ ping_list[(domain_index)%(len(ping_list))] +"]...")
	 domain_index = domain_index + 1;
	 #ret = os.system("ping www.qq.com")
	 ret = os.system(ping_str)
	 log("INFO:PING STATUS_CODE:%d" %ret)
	 if ret:
	 #try again
	 log("WARN:NET MAY DOWN,try2 next domain!!!")
	 #time.sleep(5)#暂停N秒
	 wait(3)
	 ping_str = "ping " + ping_list[(domain_index)%(len(ping_list))]
	 log("INFO:PING2:["+ ping_list[(domain_index)%(len(ping_list))] +"]...")
	 domain_index = domain_index + 1; # domain_index+=1
	 ret = os.system(ping_str)
	 log("INFO:PING2 STATUS_CODE:%d" %ret)
	 if ret:
	 #try again
	 log("WARN:NET MAY DOWN,try3 next domain!!!")
	 #time.sleep(5)#暂停N秒
	 wait(3)
	 ping_str = "ping " + ping_list[(domain_index)%(len(ping_list))]
	 log("INFO:PING3:["+ ping_list[(domain_index)%(len(ping_list))] +"]...")
	 domain_index = domain_index + 1; # domain_index+=1
	 ret = os.system(ping_str)
	 log("INFO:PING3 STATUS_CODE:%d" %ret)
	 if not ret:
	 log("INFO:NET IS OK (RC=%d)!!" %reconnect_count)
	 log("---------------------CHECK_NET_END(%d)---------------------\n" %check_net_count)
	 else:
	 print(CAO_NI_MA)
	 log("FUCK:NET IS DOWN!")
	
	 reconnect_count = reconnect_count + 1
	 incCount()
	 log("INFO:尝试断开重连(%d)..." %reconnect_count);
	 #先断开连接
	 log("INFO:尝试断开连接...");
	 netsh_ret = os.system("netsh wlan disconnect")
	 wait(3)
	 log("INFO:尝试重新连接...");
	 netsh_ret = os.system("netsh wlan connect name=TP-LINK_490A")
	 #wait(2)
	 log("INFO:NETSH_RET STATUS_CODE:%d" %netsh_ret)
	 log("---------------------CHECK_NET_END(%d)---------------------\n" %check_net_count)
	
	#incCount()
	while True:
	 check_net()
	 time.sleep(45)#每五分钟PING一次
	 #time.sleep(10)#每五分钟PING一次

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