# Twisted, the Framework of Your Internet
# Copyright (C) 2001 Matthew W. Lefkowitz
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of version 2.1 of the GNU Lesser General Public
# License as published by the Free Software Foundation.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""
I am the support module for making a port forwarder with mktap.
"""

from twisted.protocols import portforward
from twisted.python import usage
import sys


class Options(usage.Options):
    synopsis = "Usage: mktap portforward [options]"

    optParameters = [["port", "p", 6666,"Set the port number."],
	  ["host", "h", "localhost","Set the host."],
	  ["dest_port", "d", 6665,"Set the destination port."]]

    longdesc = 'Port Forwarder.'

def updateApplication(app, config):
    s = portforward.ProxyFactory(config.opts['host'], int(config.opts['dest_port']))
    app.listenTCP(int(config.opts['port']), s)