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tcp端口检测
# coding=utf-8 import sys import socket import re def check_server(address, port): s = socket.socket() print ‘Attempting to connect to %s on port %s‘ % (address, port) try: s.connect((address, port)) print ‘Connected to %s on port %s‘ % (address, port) return True except socket.error as e: print ‘Connection to %s on port %s failed: %s‘ % (address, port, e) return False if __name__ == ‘__main__‘: from argparse import ArgumentParser parser = ArgumentParser(description=u‘TCP端口检测‘) parser.add_argument( ‘-a‘, ‘--address‘, dest=‘address‘, default=‘localhost‘, help=‘address for the server‘) parser.add_argument( ‘-p‘, ‘--port‘, dest="port", default=80, type=int, help=‘port for the server‘) args = parser.parse_args() check = check_server(args.address, args.port) print ‘check_server returned %s‘ % check sys.exit(not check)
测试结果:
[hupeng@hupeng-vm Python]$python check_server.py && echo "SUCCESS" Attempting to connect to localhost on port 80 Connected to localhost on port 80 check_server returned True SUCCESS [hupeng@hupeng-vm Python]$python check_server.py -p 81 && echo "Failure" Attempting to connect to localhost on port 81 Connection to localhost on port 81 failed: [Errno 111] Connection refused check_server returned False [hupeng@hupeng-vm Python]$python check_server.py -p 81 || echo "Failure" Attempting to connect to localhost on port 81 Connection to localhost on port 81 failed: [Errno 111] Connection refused check_server returned False Failure
附:
shell中&&和||的使用方法
命令的返回结果:真(返回0),假(返回非0)
command1 && command2: command1返回真时,command2才会被执行
command1 || command2:command1返回真时,command2就不会被执行
tcp端口检测
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