X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd.h;h=70674e87ba6ca9db20b6b0c68adeb524569b8203;hb=40715f07f9de9e0f66f8ac33f04f14ad220faaac;hp=a7fe7597e0d47a1420b47e6db9ed88420eacb7f2;hpb=657d850f957a2dd703e3aab2d7cde4b0f9711c15;p=rrdtool.git diff --git a/src/rrd.h b/src/rrd.h index a7fe759..70674e8 100644 --- a/src/rrd.h +++ b/src/rrd.h @@ -1,5 +1,5 @@ /***************************************************************************** - * RRDtool 1.2.23 Copyright by Tobi Oetiker, 1997-2007 + * RRDtool 1.3rc8 Copyright by Tobi Oetiker, 1997-2008 ***************************************************************************** * rrdlib.h Public header file for librrd ***************************************************************************** @@ -57,6 +57,21 @@ extern "C" { #include #include /* for FILE */ + +/* Formerly rrd_nan_inf.h */ +#ifndef DNAN +# define DNAN rrd_set_to_DNAN() +#endif + +#ifndef DINF +# define DINF rrd_set_to_DINF() +#endif + double rrd_set_to_DNAN( + void); + double rrd_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 */ @@ -71,13 +86,57 @@ extern "C" { 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; + + typedef enum rrd_info_type { RD_I_VAL = 0, + RD_I_CNT, + RD_I_STR, + RD_I_INT, + RD_I_BLO + } rrd_info_type_t; + + typedef union rrd_infoval { + unsigned long u_cnt; + rrd_value_t u_val; + char *u_str; + int u_int; + rrd_blob_t u_blo; + } rrd_infoval_t; + + typedef struct rrd_info_t { + char *key; + rrd_info_type_t type; + rrd_infoval_t value; + struct rrd_info_t *next; + } rrd_info_t; + + /* main function blocks */ int rrd_create( int, char **); + rrd_info_t *rrd_info( + int, + char **); + rrd_info_t *rrd_info_push( + rrd_info_t *, + char *, + rrd_info_type_t, + rrd_infoval_t); + void rrd_info_print( + rrd_info_t *data); + void rrd_info_free( + rrd_info_t *); int rrd_update( int, char **); + rrd_info_t *rrd_update_v( + int, + char **); int rrd_graph( int, char **, @@ -87,6 +146,10 @@ extern "C" { FILE *, double *, double *); + rrd_info_t *rrd_graph_v( + int, + char **); + int rrd_fetch( int, char **, @@ -108,6 +171,13 @@ extern "C" { time_t rrd_last( int, char **); + int rrd_lastupdate( + int argc, + char **argv, + time_t *last_update, + unsigned long *ds_cnt, + char ***ds_namv, + char ***last_ds); time_t rrd_first( int, char **); @@ -162,41 +232,39 @@ extern "C" { const char *filename, int rraindex); -/* Transplanted from parsetime.h */ +/* Transplanted from rrd_parsetime.h */ typedef enum { ABSOLUTE_TIME, RELATIVE_TO_START_TIME, RELATIVE_TO_END_TIME - } timetype; + } rrd_timetype_t; #define TIME_OK NULL - struct rrd_time_value { - timetype type; + typedef struct rrd_time_value { + rrd_timetype_t type; long offset; struct tm tm; - }; + } rrd_time_value_t; - char *parsetime( + char *rrd_parsetime( const char *spec, - struct rrd_time_value *ptv); -/* END parsetime.h */ + rrd_time_value_t *ptv); +/* END rrd_parsetime.h */ - struct rrd_context { - int len; - int errlen; - char *lib_errstr; - char *rrd_error; - }; + typedef struct rrd_context { + char lib_errstr[256]; + char rrd_error[4096]; + } rrd_context_t; /* returns the current per-thread rrd_context */ - struct rrd_context *rrd_get_context( + rrd_context_t *rrd_get_context( void); - int proc_start_end( - struct rrd_time_value *, - struct rrd_time_value *, + int rrd_proc_start_end( + rrd_time_value_t *, + rrd_time_value_t *, time_t *, time_t *); @@ -211,19 +279,22 @@ extern "C" { char *rrd_get_error( void); + /* rrd_strerror is thread safe, but still it uses a global buffer + (but one per thread), thus subsequent calls within a single + thread overwrite the same buffer */ + const char *rrd_strerror( + int err); + /** MULTITHREADED HELPER FUNCTIONS */ - struct rrd_context *rrd_new_context( + rrd_context_t *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 *); */ + rrd_context_t *buf); - int LockRRD( - int in_file); +/* void rrd_set_error_r (rrd_context_t *, char *, ...); */ +/* void rrd_clear_error_r(rrd_context_t *); */ +/* int rrd_test_error_r (rrd_context_t *); */ +/* char *rrd_get_error_r (rrd_context_t *); */ #endif /* _RRDLIB_H */