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/*
* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2002 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: query.h,v 1.40 2007/06/19 23:46:59 tbox Exp $ */
#ifndef NAMED_QUERY_H
#define NAMED_QUERY_H 1
/*! \file */
#include <isc/types.h>
#include <isc/buffer.h>
#include <isc/netaddr.h>
#include <dns/types.h>
#include <named/types.h>
/*% nameserver database version structure */
typedef struct ns_dbversion {
dns_db_t *db;
dns_dbversion_t *version;
isc_boolean_t queryok;
ISC_LINK(struct ns_dbversion) link;
} ns_dbversion_t;
/*% nameserver query structure */
struct ns_query {
unsigned int attributes;
unsigned int restarts;
isc_boolean_t timerset;
dns_name_t * qname;
dns_name_t * origqname;
unsigned int dboptions;
unsigned int fetchoptions;
dns_db_t * gluedb;
dns_db_t * authdb;
dns_zone_t * authzone;
isc_boolean_t authdbset;
isc_boolean_t isreferral;
isc_mutex_t fetchlock;
dns_fetch_t * fetch;
isc_bufferlist_t namebufs;
ISC_LIST(ns_dbversion_t) activeversions;
ISC_LIST(ns_dbversion_t) freeversions;
};
#define NS_QUERYATTR_RECURSIONOK 0x0001
#define NS_QUERYATTR_CACHEOK 0x0002
#define NS_QUERYATTR_PARTIALANSWER 0x0004
#define NS_QUERYATTR_NAMEBUFUSED 0x0008
#define NS_QUERYATTR_RECURSING 0x0010
#define NS_QUERYATTR_CACHEGLUEOK 0x0020
#define NS_QUERYATTR_QUERYOKVALID 0x0040
#define NS_QUERYATTR_QUERYOK 0x0080
#define NS_QUERYATTR_WANTRECURSION 0x0100
#define NS_QUERYATTR_SECURE 0x0200
#define NS_QUERYATTR_NOAUTHORITY 0x0400
#define NS_QUERYATTR_NOADDITIONAL 0x0800
isc_result_t
ns_query_init(ns_client_t *client);
void
ns_query_free(ns_client_t *client);
void
ns_query_start(ns_client_t *client);
void
ns_query_cancel(ns_client_t *client);
#endif /* NAMED_QUERY_H */
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