#coding:utf-8
import threading
list_ip=['1.1.1.1','2.2.2.2','3.3.3.3'] #一组ip列表
def printIP(ip):
print ip
#每180s获取当前线程名,并跟初始线程组比较,某一线程停止后自动运行
def checkThread(sleeptimes=180,initThreadsName=[]):
for i in range(0,10080):#循环运行
nowThreadsName=[]#用来保存当前线程名称
now=threading.enumerate()#获取当前线程名
for i in now:
nowThreadsName.append(i.getName())#保存当前线程名称
for ip in initThreadsName:
if ip in nowThreadsName:
pass #当前某线程名包含在初始化线程组中,可以认为线程仍在运行
else:
print '==='+ip,'stopped,now restart'
t=threading.Thread(target=printIP,args=(ip,))#重启线程
t.setName(ip)#重设name
t.start()
time.sleep(sleeptimes)#隔一段时间重新运行,检测有没有线程down
if __name__ == '__main__':
threads=[]
initThreadsName=[]#保存初始化线程组名字
for ip in list_ip:
t=threading.Thread(target=printIP,args=(ip,))
t.setName(ip)
threads.append(t)
for t in threads:
t.start()
init=threading.enumerate()#获取初始化的线程对象
for i in init:
initThreadsName.append(i.getName())#保存初始化线程组名字
check=threading.Thread(target=checkThread,args=(180,initThreadsName))#用来检测是否有线程down并重启down线程
check.setName('Thread:check')
check.start()