diff options
author | Costa Tsaousis <costa@tsaousis.gr> | 2016-08-06 03:52:03 +0300 |
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committer | Costa Tsaousis <costa@tsaousis.gr> | 2016-08-06 03:52:03 +0300 |
commit | f399edf7dffc296873c14fa0fca3f593674b291a (patch) | |
tree | a64b3df940676395d81e171d733461ef355cc542 /src/health.h | |
parent | 929fcc7b073a75c861a3d9025859bcfeffaa7875 (diff) |
all required system headers in common.h; some progress on health variables
Diffstat (limited to 'src/health.h')
-rw-r--r-- | src/health.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/health.h b/src/health.h new file mode 100644 index 0000000000..d4b55a5d02 --- /dev/null +++ b/src/health.h @@ -0,0 +1,58 @@ +#ifndef NETDATA_HEALTH_H +#define NETDATA_HEALTH_H + +extern int rrdvar_compare(void *a, void *b); + +/* + * RRDVAR + * a variable + * + * There are 4 scopes: local (chart), context, host and global variables + * + * Standard global variables: + * $now + * + * Standard host variables: + * - none - + * + * Standard context variables: + * - none - + * + * Standard local variables: + * $last_updated + * $last_collected_value + * $last_value + * + */ + +typedef struct rrdvar { + avl avl; + + char *name; + uint32_t hash; + + calculated_number *value; + + time_t last_updated; +} RRDVAR; + +typedef struct rrdcalc { + avl avl; + + int group; // grouping method: average, max, etc. + int before; // ending point in time-series + int after; // starting point in time-series + int update_every; // update frequency for the calculation + + const char *name; + calculated_number value; + + RRDVAR *local; + RRDVAR *context; + RRDVAR *host; + + struct rrdcalc *next; + struct rrdcalc *prev; +} RRDCALC; + +#endif //NETDATA_HEALTH_H |