通过python检测端口的实用代码，python检测端口,#!/usr/bin/e

通过python检测端口的实用代码，python检测端口,#!/usr/bin/e

#!/usr/bin/env pythonimport socketimport reimport sysdef check_server(address, port):    #create a TCP socket    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, e:        print "Connection to %s on port %s failed: %s" % (address, port, e)        return Falseif __name__ == '__main__':    from optparse import OptionParser    parser = OptionParser()    parser.add_option("-a", "--address", dest="address", default='localhost',                      help="ADDRESS for server", metavar="ADDRESS")    parser.add_option("-p", "--port", dest="port", type="int", default=80,                      help="PORT for server", metavar="PORT")    (options, args) = parser.parse_args()    print 'options: %s, args: %s' % (options, args)    check = check_server(options.address, options.port)    print 'check_server returned %s' % check    sys.exit(not check)

调用方法

正确返回：

[root@SVN ~]# .;/port_checker_tcp.py -a; 192.168.3.160; -p; 80options: {'port': 80, 'address': '192.168.3.160'}, args: []Attempting to connect to 192.168.3.160; on port 80Connected to 192.168.3.160; on port 80check_server returned True

错误返回：

[root@SVN ~]# .;/port_checker_tcp.py -a; 192.168.3.160; -p; 808options: {'port': 808, 'address': '192.168.3.160'}, args: []Attempting to connect to 192.168.3.160; on port 808Connection to 192.168.3.160; on port 808 failed: (111, 'Connection refused')check_server returned False