# vim: set encoding=utf-8 et sw=4 sts=4 :
from os import path
+import logging ; log = logging.getLogger('pymin.services.nat')
from pymin.seqtools import Sequence
from pymin.dispatcher import Handler, handler, HandlerError
ReloadHandler, TransactionalHandler, \
ServiceHandler, ListSubHandler, call
-__ALL__ = ('NatHandler',)
+__all__ = ('NatHandler',)
class PortForward(Sequence):
r"""PortForward(dev, protocol, port, dst[, dst_port[, ...]]) -> PortForward.
)
def _service_start(self):
+ log.debug(u'NatHandler._service_start(): flushing nat table')
call(('iptables', '-t', 'nat', '-F'))
for (index, port) in enumerate(self.ports):
+ log.debug(u'NatHandler._service_start: adding port %r', port)
call(['iptables'] + port.as_call_list(index+1))
for (index, snat) in enumerate(self.snats):
+ log.debug(u'NatHandler._service_start: adding snat %r', snat)
call(['iptables'] + snat.as_call_list(index+1))
for (index, masq) in enumerate(self.masqs):
+ log.debug(u'NatHandler._service_start: adding masq %r', masq)
call(['iptables'] + masq.as_call_list(index+1))
def _service_stop(self):
+ log.debug(u'NatHandler._service_stop(): flushing nat table')
call(('iptables', '-t', 'nat', '-F'))
_service_restart = _service_start
def __init__(self, pickle_dir='.'):
r"Initialize the object, see class documentation for details."
+ log.debug(u'NatHandler(%r)', pickle_dir)
self._persistent_dir = pickle_dir
ServiceHandler.__init__(self)
self.forward = PortForwardHandler(self)
if __name__ == '__main__':
+ logging.basicConfig(
+ level = logging.DEBUG,
+ format = '%(asctime)s %(levelname)-8s %(message)s',
+ datefmt = '%H:%M:%S',
+ )
+
import os
handler = NatHandler()