dns.h

这是一个完全开放的

/*
 * jabberd - Jabber Open Source Server
 * Copyright (c) 2002 Jeremie Miller, Thomas Muldowney,
 *                    Ryan Eatmon, Robert Norris
 *
 * 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, MA02111-1307USA
 */

#ifndef DNS_H
#define DNS_H

#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

#define DNS_QUERY_TYPE_A    (1)
#define DNS_QUERY_TYPE_AAAA (2)
#define DNS_QUERY_TYPE_SRV  (3)

typedef struct dns_host_st {
    struct dns_host_st  *next;

    unsigned int        type;
    unsigned int        class;
    unsigned int        ttl;

    void                *rr;
} *dns_host_t;

typedef struct dns_srv_st {
    unsigned int        priority;
    unsigned int        weight;
    unsigned int        port;
    unsigned int        rweight;

    char                name[256];
} *dns_srv_t;

extern dns_host_t   dns_resolve(const char *zone, int type);
extern void         dns_free(dns_host_t dns);

#endif