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# protocol.py - protocol name and number lookup routines
#
# Copyright (C) 2011-2019 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 cache
import common
import constants
import search
attmap = common.Attributes(
cn='cn',
ipProtocolNumber='ipProtocolNumber')
filter = '(objectClass=ipProtocol)'
class Search(search.LDAPSearch):
case_sensitive = ('cn', )
canonical_first = ('cn', )
required = ('cn', 'ipProtocolNumber')
class Cache(cache.Cache):
tables = ('protocol_cache', 'protocol_alias_cache')
create_sql = '''
CREATE TABLE IF NOT EXISTS `protocol_cache`
( `cn` TEXT PRIMARY KEY,
`ipProtocolNumber` INTEGER NOT NULL,
`mtime` TIMESTAMP NOT NULL );
CREATE TABLE IF NOT EXISTS `protocol_alias_cache`
( `protocol` TEXT NOT NULL,
`cn` TEXT NOT NULL,
FOREIGN KEY(`protocol`) REFERENCES `protocol_cache`(`cn`)
ON DELETE CASCADE ON UPDATE CASCADE );
CREATE INDEX IF NOT EXISTS `protocol_alias_idx` ON `protocol_alias_cache`(`protocol`);
'''
retrieve_sql = '''
SELECT `protocol_cache`.`cn` AS `cn`, `protocol_alias_cache`.`cn` AS `alias`,
`ipProtocolNumber`, `mtime`
FROM `protocol_cache`
LEFT JOIN `protocol_alias_cache`
ON `protocol_alias_cache`.`protocol` = `protocol_cache`.`cn`
'''
retrieve_by = dict(
cn='''
( `protocol_cache`.`cn` = ? OR
`protocol_cache`.`cn` IN (
SELECT `by_alias`.`protocol`
FROM `protocol_alias_cache` `by_alias`
WHERE `by_alias`.`cn` = ?))
''',
)
group_by = (0, ) # cn
group_columns = (1, ) # alias
class ProtocolRequest(common.Request):
def write(self, name, names, number):
self.fp.write_string(name)
self.fp.write_stringlist(names)
self.fp.write_int32(number)
def convert(self, dn, attributes, parameters):
names = attributes['cn']
yield (names[0], names[1:], int(attributes['ipProtocolNumber'][0]))
class ProtocolByNameRequest(ProtocolRequest):
action = constants.NSLCD_ACTION_PROTOCOL_BYNAME
def read_parameters(self, fp):
return dict(cn=fp.read_string())
class ProtocolByNumberRequest(ProtocolRequest):
action = constants.NSLCD_ACTION_PROTOCOL_BYNUMBER
def read_parameters(self, fp):
return dict(ipProtocolNumber=fp.read_int32())
class ProtocolAllRequest(ProtocolRequest):
action = constants.NSLCD_ACTION_PROTOCOL_ALL
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