services/ip/hop.py

   1 # vim: set encoding=utf-8 et sw=4 sts=4 :
   2
   3 from pymin.seqtools import Sequence
   4 from pymin.dispatcher import handler
   5 from pymin.service.util import ContainerNotFoundError, ListSubHandler
   6
   7 __all__ = ('HopHandler',)
   8
   9
  10 class Hop(Sequence):
  11
  12     def __init__(self, gateway, device):
  13         self.gateway = gateway
  14         self.device = device
  15
  16     def as_tuple(self):
  17         return (self.gateway, self.device)
  18
  19     def __cmp__(self, other):
  20         if self.gateway == other.gateway \
  21                 and self.device == other.device:
  22             return 0
  23         return cmp(id(self), id(other))
  24
  25 class HopHandler(ListSubHandler):
  26     handler_help = u"Manage IP hops"
  27     _cont_subhandler_attr = 'hops'
  28     _cont_subhandler_class = Hop
  29
  30     @handler('Add a hop: add <device> <gateway>')
  31     def add(self, dev, gw):
  32         if not dev in self.parent.devices:
  33             raise ContainerNotFoundError(device)
  34         return ListSubHandler.add(self, dev, gw)
  35