# -*- coding: utf-8 -*-
# http://www.pythonforbeginners.com/code-snippets-source-code/port-scanner-in-python/
import socket

remoteServer = socket.gethostbyname('vpn.fdn.fr')
altRemoteServer = socket.gethostbyname('vpn-rw.fdn.fr')


class PortScan(object):
    def __init__(self):
        pass

    def portscan(self):
        try:
            for port in range(1,25):
                sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
                result = sock.connect_ex((altRemoteServer, port))
                if result == 0:
                    ports = []
                    ports.append("Port {}: \t Open".format(port))
                sock.close()
            return ports
         
        except socket.gaierror:
            return 'Hostname could not be resolved. Exiting'
         
        except socket.error:
            return "Couldn't connect to server"