srv_resolver.h

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/* 
 * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
 * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
 */
#ifndef __PJLIB_UTIL_SRV_RESOLVER_H__
#define __PJLIB_UTIL_SRV_RESOLVER_H__
 
#include <pjlib-util/resolver.h>
 
PJ_BEGIN_DECL
 
typedef enum pj_dns_srv_option
{
    PJ_DNS_SRV_FALLBACK_A       = 1,
 
    PJ_DNS_SRV_FALLBACK_AAAA    = 2,
 
    PJ_DNS_SRV_RESOLVE_AAAA     = 4,
 
    PJ_DNS_SRV_RESOLVE_AAAA_ONLY = 8
 
} pj_dns_srv_option;
 
 
typedef struct pj_dns_srv_record
{
    unsigned    count;
 
    struct
    {
        unsigned                priority;
 
        unsigned                weight;
 
        pj_uint16_t             port;
 
        pj_dns_addr_record      server;
 
    } entry[PJ_DNS_SRV_MAX_ADDR];
 
} pj_dns_srv_record;
 
 
typedef struct pj_dns_srv_async_query pj_dns_srv_async_query;
 
typedef void pj_dns_srv_resolver_cb(void *user_data,
                                    pj_status_t status,
                                    const pj_dns_srv_record *rec);
 
 
PJ_DECL(pj_status_t) pj_dns_srv_resolve(const pj_str_t *domain_name,
                                        const pj_str_t *res_name,
                                        unsigned def_port,
                                        pj_pool_t *pool,
                                        pj_dns_resolver *resolver,
                                        unsigned option,
                                        void *token,
                                        pj_dns_srv_resolver_cb *cb,
                                        pj_dns_srv_async_query **p_query);
 
 
PJ_DECL(pj_status_t) pj_dns_srv_cancel_query(pj_dns_srv_async_query *query,
                                             pj_bool_t notify);
 
 
PJ_END_DECL
 
 
#endif  /* __PJLIB_UTIL_SRV_RESOLVER_H__ */