sbin/mrouted/defs.h

/*
 * The mrouted program is covered by the license in the accompanying file
 * named "LICENSE".  Use of the mrouted program represents acceptance of
 * the terms and conditions listed in that file.
 *
 * The mrouted program is COPYRIGHT 1989 by The Board of Trustees of
 * Leland Stanford Junior University.
 *
 *
 * $Id: defs.h,v 1.4 1993/06/24 05:11:16 deering Exp $
 */


#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <syslog.h>
#include <signal.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/igmp.h>
#include <netinet/ip_mroute.h>

#include "dvmrp.h"
#include "vif.h"
#include "route.h"


/*
 * Miscellaneous constants and macros.
 */
#define FALSE           0
#define TRUE            1

#define EQUAL(s1, s2)   (strcmp((s1), (s2)) == 0)

#define TIMER_INTERVAL  ROUTE_MAX_REPORT_DELAY

#define PROTOCOL_VERSION 2  /* increment when packet format/content changes */

#define MROUTED_VERSION  0  /* increment on local changes or bug fixes, */
                            /* reset to 0 whever PROTOCOL_VERSION increments */

#define MROUTED_LEVEL ( (MROUTED_VERSION << 8) | PROTOCOL_VERSION )
                            /* for IGMP 'group' field of DVMRP messages */

/*
 * External declarations for global variables and functions.
 */
extern char             recv_buf[MAX_IP_PACKET_LEN];
extern char             send_buf[MAX_IP_PACKET_LEN];
extern int              igmp_socket;
extern u_long           allhosts_group;
extern u_long           dvmrp_group;

#define DEFAULT_DEBUG  2        /* default if "-d" given without value */

extern int              debug;

extern int              routes_changed;
extern int              delay_change_reports;

extern struct uvif      uvifs[MAXVIFS];
extern vifi_t           numvifs;
extern int              vifs_down;
extern int              udp_socket;

extern char             s1[];
extern char             s2[];
extern char             s3[];

extern int              errno;
extern int              sys_nerr;
extern char *           sys_errlist[];

extern void             log();

extern void             init_igmp();
extern void             accept_igmp();
extern void             send_igmp();

extern void             init_routes();
extern void             start_route_updates();
extern void             update_route();
extern void             age_routes();
extern void             expire_all_routes();
extern void             accept_probe();
extern void             accept_report();
extern void             report();
extern void             report_to_all_neighbors();
extern void             add_vif_to_routes();
extern void             delete_vif_from_routes();
extern void             delete_neighbor_from_routes();
extern void             dump_routes();

extern void             init_vifs();
extern void             check_vif_state();
extern vifi_t           find_vif();
extern void             age_vifs();
extern void             dump_vifs();
extern void             accept_group_report();
extern void             query_groups();
extern void             probe_for_neighbors();
extern int              update_neighbor();
extern void             accept_neighbor_request();

extern void             config_vifs_from_kernel();
extern void             config_vifs_from_file();

extern int              inet_valid_host();
extern int              inet_valid_subnet();
extern char *           inet_fmt();
extern char *           inet_fmts();
extern u_long           inet_parse();
extern int              inet_cksum();

extern char *           malloc();
extern char *           fgets();
extern FILE *           fopen();

#ifndef htonl
extern u_long           htonl();
extern u_long           ntohl();
#endif