Function answer_a

ddserver/recursor/__main__.py:154–180

Handle A records

(query,
             db,
             config)

@require(db='ddserver.db:Database',
         config='ddserver.config:Config')
def answer_a(query,
             db,
             config):
  """ Handle A records
  """

  with db.cursor() as cur:
    cur.execute('''
        SELECT
          `host`.`hostname` AS `hostname`,
          `suffix`.`name` AS `suffix`,
          `host`.`address` AS `address`
        FROM `hosts` AS `host`
        LEFT JOIN `suffixes` AS `suffix`
          ON ( `suffix`.`id` = `host`.`suffix_id` )
        WHERE `host`.`address` IS NOT NULL
          AND CONCAT(`host`.`hostname`, '.', `suffix`.`name`) = %(name)s
    ''', {'name': query.qname})
    host = cur.fetchone()

    if host:
      send(formatter.DATA, qname=query.qname,
                           qclass=query.qclass,
                           qtype='A',
                           ttl=config.dns.ttl,
                           id=query.id,
                           content=host['address'])


def answer(query):