contrib/bind-9.3/bin/named/include/named/query.h

   1 /*
   2  * Copyright (C) 2004  Internet Systems Consortium, Inc. ("ISC")
   3  * Copyright (C) 1999-2002  Internet Software Consortium.
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  15  * PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 /* $Id: query.h,v 1.28.2.3.8.6 2004/03/08 04:04:21 marka Exp $ */
  19
  20 #ifndef NAMED_QUERY_H
  21 #define NAMED_QUERY_H 1
  22
  23 #include <isc/types.h>
  24 #include <isc/buffer.h>
  25 #include <isc/netaddr.h>
  26
  27 #include <dns/types.h>
  28
  29 #include <named/types.h>
  30
  31 typedef struct ns_dbversion {
  32         dns_db_t                        *db;
  33         dns_dbversion_t                 *version;
  34         isc_boolean_t                   queryok;
  35         ISC_LINK(struct ns_dbversion)   link;
  36 } ns_dbversion_t;
  37
  38 struct ns_query {
  39         unsigned int                    attributes;
  40         unsigned int                    restarts;
  41         isc_boolean_t                   timerset;
  42         dns_name_t *                    qname;
  43         dns_name_t *                    origqname;
  44         unsigned int                    dboptions;
  45         unsigned int                    fetchoptions;
  46         dns_db_t *                      gluedb;
  47         dns_db_t *                      authdb;
  48         dns_zone_t *                    authzone;
  49         isc_boolean_t                   authdbset;
  50         isc_boolean_t                   isreferral;
  51         isc_mutex_t                     fetchlock;
  52         dns_fetch_t *                   fetch;
  53         isc_bufferlist_t                namebufs;
  54         ISC_LIST(ns_dbversion_t)        activeversions;
  55         ISC_LIST(ns_dbversion_t)        freeversions;
  56 };
  57
  58 #define NS_QUERYATTR_RECURSIONOK        0x0001
  59 #define NS_QUERYATTR_CACHEOK            0x0002
  60 #define NS_QUERYATTR_PARTIALANSWER      0x0004
  61 #define NS_QUERYATTR_NAMEBUFUSED        0x0008
  62 #define NS_QUERYATTR_RECURSING          0x0010
  63 #define NS_QUERYATTR_CACHEGLUEOK        0x0020
  64 #define NS_QUERYATTR_QUERYOKVALID       0x0040
  65 #define NS_QUERYATTR_QUERYOK            0x0080
  66 #define NS_QUERYATTR_WANTRECURSION      0x0100
  67 #define NS_QUERYATTR_SECURE             0x0200
  68 #define NS_QUERYATTR_NOAUTHORITY        0x0400
  69 #define NS_QUERYATTR_NOADDITIONAL       0x0800
  70
  71 isc_result_t
  72 ns_query_init(ns_client_t *client);
  73
  74 void
  75 ns_query_free(ns_client_t *client);
  76
  77 void
  78 ns_query_start(ns_client_t *client);
  79
  80 void
  81 ns_query_cancel(ns_client_t *client);
  82
  83 #endif /* NAMED_QUERY_H */