在ip.txt中每行一個ip地址和端口號，代碼可循環監控這些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

        #設置超時時間（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 連接成功->%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 連接失敗->%s \n" %(ip,port,datenow)
        print logstr
        file.write(logstr)
        file.close()
print "sleep 10....."
time.sleep(10)

</pre> 

 ip.txt格式
192.168.1.100 33001
192.168.1.101 33001