在ip.txt中每行一个ip地址和端口号，代码可循环监控这些ip地址的指定端口是否正常

#!/usr/bin/env python  # -*- coding: gbk -*-  import socket,time  while 1:      file_obj = open('ip.txt')      for line in file_obj:          try:              sc=socket.socket(socket.AF_INET,socket.SOCK_STREAM)              ip = line.split()[0]              port = int(line.split()[1])              print ip,port              #设置超时时间（0.0）              sc.settimeout(2)              sc.connect((ip,port))              timenow=time.localtime()              datenow = time.strftime('%Y-%m-%d %H:%M:%S', timenow)              logstr="%s:%s 连接成功->%s \n" %(ip,port,datenow)              print logstr              sc.close()          except:              file = open("log.txt", "a")              timenow=time.localtime()              datenow = time.strftime('%Y-%m-%d %H:%M:%S', timenow)              logstr="%s:%s 连接失败->%s \n" %(ip,port,datenow)              print logstr              file.write(logstr)              file.close()      print "sleep 10....."      time.sleep(10)   

192.168.1.100 33001  192.168.1.101 33001