/* dns.h
 *
 * Copyright (C) 1999 - 2006 Eggheads Development Team
 *
 * 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.
 *
 * $Id: dns.h,v 1.5 2006-11-20 13:53:33 tothwolf Exp $
 */

#ifndef _EGG_DNS_H
#define _EGG_DNS_H

/* Flags for dns_type. */
#define RES_HOSTBYIP 1 /* Hostname to IP address. */
#define RES_IPBYHOST 2 /* IP address to hostname. */

typedef struct {
  char *name;
  int (*expmem) (void *);
  void (*event) (IP, char *, int, void *);
} devent_type;

typedef struct {
  char *proc;  /* Tcl proc              */
  char *paras; /* Additional parameters */
} devent_tclinfo_t;

typedef struct devent_str {
  struct devent_str *next; /* pointer to next dns_event                 */
  devent_type *type;
  u_8bit_t lookup;         /* lookup type: RES_IPBYHOST or RES_HOSTBYIP */
  union {
    IP ip_addr;            /* IP address                                */
    char *hostname;        /* hostname                                  */
  } res_data;
  void *other;             /* data specific to the event type           */
} devent_t;

#ifndef MAKING_MODS
extern void (*dns_hostbyip) (IP);
extern void (*dns_ipbyhost) (char *);
void block_dns_hostbyip(IP);
void block_dns_ipbyhost(char *);
void call_hostbyip(IP, char *, int);
void call_ipbyhost(char *, IP, int);
void dcc_dnshostbyip(IP);
void dcc_dnsipbyhost(char *);
#endif

#endif /* _EGG_DNS_H */