X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=src%2Frrd.h;h=376d84f1c4a0895909b73b5fd14a5ad6b6e58650;hp=8feaeb1abfae4c218373707ab3032738c2e665e1;hb=7bd35b8d099910071a57c66687f6ef79c5df9a5c;hpb=9a47d693d60f953fc07119670781c92fde560be0 diff --git a/src/rrd.h b/src/rrd.h index 8feaeb1..376d84f 100644 --- a/src/rrd.h +++ b/src/rrd.h @@ -1,5 +1,5 @@ /***************************************************************************** - * RRDtool 1.2.8 Copyright by Tobi Oetiker, 1997-2005 + * RRDtool 1.3rc7 Copyright by Tobi Oetiker, 1997-2008 ***************************************************************************** * rrdlib.h Public header file for librrd ***************************************************************************** @@ -46,97 +46,232 @@ * *****************************************************************************/ #ifdef __cplusplus -extern "C" { +extern "C" { #endif #ifndef _RRDLIB_H #define _RRDLIB_H +#include /* for off_t */ +#include /* for off_t */ #include -#include /* for FILE */ +#include /* for FILE */ + + +/* Formerly rrd_nan_inf.h */ +#ifndef DNAN +# define DNAN set_to_DNAN() +#endif + +#ifndef DINF +# define DINF set_to_DINF() +#endif + double set_to_DNAN( + void); + double set_to_DINF( + void); +/* end of rrd_nan_inf.h */ /* Transplanted from rrd_format.h */ -typedef double rrd_value_t; /* the data storage type is - * double */ + typedef double rrd_value_t; /* the data storage type is + * 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; + +/* rrd info interface */ + typedef struct rrd_blob_t { + unsigned long size; /* size of the blob */ + unsigned char *ptr; /* pointer */ + } rrd_blob_t; + + enum info_type { RD_I_VAL = 0, + RD_I_CNT, + RD_I_STR, + RD_I_INT, + RD_I_BLO + }; + + typedef union infoval { + unsigned long u_cnt; + rrd_value_t u_val; + char *u_str; + int u_int; + struct rrd_blob_t u_blo; + } infoval; + + typedef struct info_t { + char *key; + enum info_type type; + union infoval value; + struct info_t *next; + } info_t; + + /* main function blocks */ -int rrd_create(int, char **); -int rrd_update(int, char **); -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, char **); -time_t rrd_first(int, char **); -int rrd_resize(int, char **); -unsigned long rrd_version(int, char **); -int rrd_xport(int, char **, int *, time_t *, time_t *, - unsigned long *, unsigned long *, - char ***, rrd_value_t **); + int rrd_create( + int, + char **); + int rrd_update( + int, + char **); + int rrd_graph( + int, + char **, + char ***, + int *, + int *, + FILE *, + double *, + double *); + info_t *rrd_graph_v( + int, + char **); + + 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, + 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, - unsigned long pdp_step, time_t last_up, - int argc, char **argv); + int rrd_create_r( + const char *filename, + unsigned long pdp_step, + time_t last_up, + 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); -time_t rrd_last_r(const char *filename); -time_t rrd_first_r(const char *filename, int rraindex); + + 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 { + typedef enum { ABSOLUTE_TIME, - RELATIVE_TO_START_TIME, + RELATIVE_TO_START_TIME, RELATIVE_TO_END_TIME -} timetype; + } timetype; #define TIME_OK NULL -struct rrd_time_value { - timetype type; - long offset; - struct tm tm; -}; + struct rrd_time_value { + timetype type; + long offset; + struct tm tm; + }; + + char *parsetime( + const char *spec, + struct rrd_time_value *ptv); +/* END parsetime.h */ -struct rrd_context { - int len; - int errlen; - char *lib_errstr; - char *rrd_error; -}; + struct rrd_context { + char lib_errstr[256]; + char rrd_error[4096]; + }; /* returns the current per-thread rrd_context */ -struct rrd_context *rrd_get_context(void); + 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 proc_start_end( + struct rrd_time_value *, + struct rrd_time_value *, + time_t *, + time_t *); /* HELPER FUNCTIONS */ -void rrd_set_error(char *,...); -void rrd_clear_error(void); -int rrd_test_error(void); -char *rrd_get_error(void); + void rrd_set_error( + char *, + ...); + void rrd_clear_error( + void); + int rrd_test_error( + void); + char *rrd_get_error( + void); /** MULTITHREADED HELPER FUNCTIONS */ -struct rrd_context *rrd_new_context(void); -void rrd_free_context (struct rrd_context *buf); + struct rrd_context *rrd_new_context( + void); + void rrd_free_context( + struct rrd_context *buf); /* void rrd_set_error_r (struct rrd_context *, char *, ...); */ /* void rrd_clear_error_r(struct rrd_context *); */ /* 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 */ +#endif /* _RRDLIB_H */ #ifdef __cplusplus }