1、python_批量检测端口号

#!/usr/bin/env python
#coding:utf-8
#Author: zikang
import socket

list_str = '''
172.31.7.103 8080
172.31.7.104 6379
172.31.7.105 3306
'''

OK_list = []
Timeout_list = []
DOWN_list = []
ip_list = list(list_str.split())


# socket try connect
def IsOpen(ip, port):
    socket.setdefaulttimeout(2)
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    try:
        s.connect((ip, port))
        s.shutdown(2)
        OK_list.append([ip, port])
        return True
    except socket.timeout:
        Timeout_list.append([ip, port])
        return False
    except:
        # print '%s %d is DOWN' % (ip, port)
        DOWN_list.append([ip, port])
        return False


if __name__ == '__main__':
    for _ in range(0, len(ip_list), 2):
      IsOpen(ip_list[_], int(ip_list[_ + 1]))
    lists={'ok': OK_list, 'timeout': Timeout_list, 'donw': DOWN_list}
    for status, _ in lists.items():
      print(status.center(40, '-'))
      # print '-' * 30
      # print 'status: %s is :' % status
      if not _:
        print ('null')
        continue
      for ip, port in _:
        print (ip, port)