Arthur de Jong

Open Source / Free Software developer

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path: root/pynslcd/network.py
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# network.py - lookup functions for network names and addresses
#
# Copyright (C) 2011 Arthur de Jong
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301 USA

import logging

import constants
import common


attmap = common.Attributes(cn='cn',
                           ipNetworkNumber='ipNetworkNumber')
filter = '(objectClass=ipNetwork)'


class NetworkRequest(common.Request):

    def write(self, dn, attributes, parameters):
        networkname = common.get_rdn_value(dn, attmap['cn'])
        networknames = attributes['cn']
        if not networknames:
            print 'Error: entry %s does not contain %s value' % (dn, attmap['cn'])
        if not networkname:
            networkname = networknames.pop(0)
        elif networkname in networknames:
            networknames.remove(networkname)
        addresses = attributes['ipNetworkNumber']
        if not addresses:
            print 'Error: entry %s does not contain %s value' % (dn, attmap['ipNetworkNumber'])
        # write result
        self.fp.write_int32(constants.NSLCD_RESULT_BEGIN)
        self.fp.write_string(networkname)
        self.fp.write_stringlist(networknames)
        self.fp.write_int32(len(addresses))
        for address in addresses:
            self.fp.write_address(address)


class NetworkByNameRequest(NetworkRequest):

    action = constants.NSLCD_ACTION_NETWORK_BYNAME

    def read_parameters(self, fp):
        return dict(cn=fp.read_string())


class NetworkByAddressRequest(NetworkRequest):

    action = constants.NSLCD_ACTION_NETWORK_BYADDR

    def read_parameters(self, fp):
        return dict(ipNetworkNumber=fp.read_address())


class NetworkAllRequest(NetworkRequest):

    action = constants.NSLCD_ACTION_NETWORK_ALL