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#include <netinet/in.h>
#include <stdio.h>
/* external variables */
extern int softboot, watchdog, temp, maxtemp, tint, lastts, nrts;
extern int maxload1, maxload5, maxload15, load, verbose, mem, minpages;
extern int hbstamps, logtick, ticker;
extern pid_t pid;
extern char *tempname, *admin, *devname, *progname, *timestamps, *heartbeat;
extern time_t timeout;
extern FILE *hb;
/* variable types */
struct pingmode
{
struct sockaddr to;
int sock_fp;
unsigned char *packet;
};
struct filemode
{
int mtime;
};
struct ifmode
{
unsigned long bytes;
};
union wdog_options
{
struct pingmode net;
struct filemode file;
struct ifmode iface;
};
struct list
{
char *name;
union wdog_options parameter;
struct list *next;
};
/* constants */
#define DATALEN (64 - 8)
#define MAXIPLEN 60
#define MAXICMPLEN 76
#define MAXPACKET (65536 - 60 - 8) /* max packet size */
#define TRUE 1
#define FALSE 0
#define TS_SIZE 12
/* function prototypes */
int check_file_stat(struct list *);
int check_file_table(void);
int keep_alive(void);
int check_load(void);
int check_net(char *target, int sock_fp, struct sockaddr to, unsigned char *packet, int time, int count);
int check_temp(void);
int check_bin(char *, time_t);
int check_pidfile(struct list *);
int check_iface(struct list *);
int check_memory(void);
void do_shutdown(int errorcode);
void terminate(int arg);
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