pkg-monitoring-plugins/lib/utils_base.h

71 lines
2.1 KiB
C

#ifndef _UTILS_BASE_
#define _UTILS_BASE_
/* Header file for nagios plugins utils_base.c */
/* This file holds header information for thresholds - use this in preference to
individual plugin logic */
/* This has not been merged with utils.h because of problems with
timeout_interval when other utils_*.h files use utils.h */
/* Long term, add new functions to utils_base.h for common routines
and utils_*.h for specific to plugin routines. If routines are
placed in utils_*.h, then these can be tested with libtap */
#define OUTSIDE 0
#define INSIDE 1
typedef struct range_struct {
double start;
int start_infinity; /* FALSE (default) or TRUE */
double end;
int end_infinity;
int alert_on; /* OUTSIDE (default) or INSIDE */
} range;
typedef struct thresholds_struct {
range *warning;
range *critical;
} thresholds;
range *parse_range_string (char *);
int _set_thresholds(thresholds **, char *, char *);
void set_thresholds(thresholds **, char *, char *);
void print_thresholds(const char *, thresholds *);
int check_range(double, range *);
int get_status(double, thresholds *);
/* All possible characters in a threshold range */
#define NP_THRESHOLDS_CHARS "0123456789.:@~"
char *np_escaped_string (const char *);
void die (int, const char *, ...) __attribute__((noreturn,format(printf, 2, 3)));
/* Return codes for _set_thresholds */
#define NP_RANGE_UNPARSEABLE 1
#define NP_WARN_WITHIN_CRIT 2
/* a simple check to see if we're running as root.
* returns zero on failure, nonzero on success */
int np_check_if_root(void);
/* and a helpful wrapper around that. it returns the same status
* code from the above function, in case it's helpful for testing */
int np_warn_if_not_root(void);
/*
* Extract the value from key/value pairs, or return NULL. The value returned
* can be free()ed.
* This function can be used to parse NTP control packet data and performance
* data strings.
*/
char *np_extract_value(const char*, const char*, char);
/*
* Same as np_extract_value with separator suitable for NTP control packet
* payloads (comma)
*/
#define np_extract_ntpvar(l, n) np_extract_value(l, n, ',')
#endif /* _UTILS_BASE_ */