/*****************************************************************************
- * RRDtool 1.0.33 Copyright Tobias Oetiker, 1997,1998, 1999
+ * RRDtool 1.2.23 Copyright by Tobi Oetiker, 1997-2007
*****************************************************************************
* rrdlib.h Public header file for librrd
*****************************************************************************
* $Id$
* $Log$
+ * Revision 1.9 2005/02/13 16:13:33 oetiker
+ * let rrd_graph return the actual value range it picked ...
+ * -- Henrik Stoerner <henrik@hswn.dk>
+ *
* Revision 1.8 2004/05/26 22:11:12 oetiker
* reduce compiler warnings. Many small fixes. -- Mike Slifcak <slif@bellsouth.net>
*
#ifndef _RRDLIB_H
#define _RRDLIB_H
+#include <sys/types.h> /* for off_t */
+#include <unistd.h> /* for off_t */
#include <time.h>
#include <stdio.h> /* for FILE */
* double */
/* END rrd_format.h */
+/* information about an rrd file */
+typedef struct rrd_file_t {
+ int fd; /* file descriptor if this rrd file */
+ char* file_start; /* start address of an open rrd file */
+ off_t header_len; /* length of the header of this rrd file */
+ off_t file_len; /* total size of the rrd file */
+ off_t pos; /* current pos in file */
+} rrd_file_t;
+
/* main function blocks */
int rrd_create(int, char **);
int rrd_update(int, char **);
-int rrd_graph(int, char **, char ***, int *, int *, FILE *);
+int rrd_graph(int, char **, char ***, int *, int *, FILE *, double *, double *);
int rrd_fetch(int, char **, time_t *, time_t *, unsigned long *,
unsigned long *, char ***, rrd_value_t **);
int rrd_restore(int, char **);
int rrd_dump(int, char **);
int rrd_tune(int, char **);
-time_t rrd_last(int, const char **);
+time_t rrd_last(int, char **);
+time_t rrd_first(int, char **);
int rrd_resize(int, char **);
+char * rrd_strversion(void);
+double rrd_version(void);
int rrd_xport(int, char **, int *, time_t *, time_t *,
unsigned long *, unsigned long *,
char ***, rrd_value_t **);
/* thread-safe (hopefully) */
-int rrd_create_r(char *filename,
+int rrd_create_r(const char *filename,
unsigned long pdp_step, time_t last_up,
- int argc, char **argv);
+ int argc, const char **argv);
/* NOTE: rrd_update_r are only thread-safe if no at-style time
specifications get used!!! */
-int rrd_update_r(char *filename, char *_template,
- int argc, char **argv);
-int rrd_dump_r(char *filename);
+
+int rrd_update_r(const char *filename, const char *_template,
+ int argc, const char **argv);
+int rrd_fetch_r(const char *filename, const char* cf,
+ time_t *start, time_t *end,
+ unsigned long *step,
+ unsigned long *ds_cnt,
+ char ***ds_namv,
+ rrd_value_t **data);
+int rrd_dump_r(const char *filename, char *outname);
time_t rrd_last_r(const char *filename);
+time_t rrd_first_r(const char *filename, int rraindex);
/* Transplanted from parsetime.h */
typedef enum {
struct tm tm;
};
+char *parsetime(const char *spec, struct rrd_time_value *ptv);
+/* END parsetime.h */
+
struct rrd_context {
int len;
int errlen;
/* returns the current per-thread rrd_context */
struct rrd_context *rrd_get_context(void);
-char *parsetime(const char *spec, struct rrd_time_value *ptv);
-/* END parsetime.h */
int proc_start_end (struct rrd_time_value *, struct rrd_time_value *, time_t *, time_t *);
/* int rrd_test_error_r (struct rrd_context *); */
/* char *rrd_get_error_r (struct rrd_context *); */
-int LockRRD(FILE *);
+int LockRRD(int in_file);
#endif /* _RRDLIB_H */