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mapping: added mapping_to_str()

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This commit is contained in:
Steffen Vogel 2018-08-02 10:46:03 +02:00
parent 170c86dca4
commit b79386011a
2 changed files with 58 additions and 0 deletions
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2
include/villas/mapping.h
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@ -98,6 +98,8 @@ int mapping_parse_str(struct mapping_entry *e, const char *str, struct list *nod
int mapping_parse_list(struct list *l, json_t *cfg, struct list *nodes);
int mapping_to_str(struct mapping_entry *me, unsigned index, char **str);
#ifdef __cplusplus
}
#endif

56
lib/mapping.c
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@ -369,3 +369,59 @@ int mapping_remap(struct list *m, struct sample *remapped, struct sample *origin
return 0;
}
int mapping_to_str(struct mapping_entry *me, unsigned index, char **str)
{
const char *type;
assert(me->length == 0 || index < me->length);
if (me->node)
strcatf(str, "%s.", node_name(me->node));
switch (me->type) {
case MAPPING_TYPE_STATS:
switch (me->stats.type) {
case MAPPING_STATS_TYPE_TOTAL: type = "total"; break
case MAPPING_STATS_TYPE_LAST: type = "last"; break
case MAPPING_STATS_TYPE_LOWEST: type = "lowest"; break
case MAPPING_STATS_TYPE_HIGHEST:type = "highest"; break
case MAPPING_STATS_TYPE_MEAN: type = "mean"; break
case MAPPING_STATS_TYPE_VAR: type = "var"; break
case MAPPING_STATS_TYPE_STDDEV: type = "stddev"; break
}
strcatf(str, "stats.%s", type);
break;
case MAPPING_TYPE_HEADER:
switch (me->hdr.type) {
case MAPPING_HEADER_TYPE_LENGTH: type = "length"; break;
case MAPPING_HEADER_TYPE_SEQUENCE: type = "sequence"; break;
}
strcatf(str, "hdr.%s", type);
break;
case MAPPING_TYPE_TIMESTAMP:
switch (me->stats.type) {
case MAPPING_TIMESTAMP_TYPE_ORIGIN: type = "origin"; break;
case MAPPING_TIMESTAMP_TYPE_RECEIVED: type = "received"; break;
}
strcatf(str, "ts.%s.%s", type, index == 0 ? "sec" : "nsec");
break;
case MAPPING_TYPE_DATA:
if (me->node && index < list_length(&me->node->signals)) {
struct signal *s = list_at(&me->node->signals, index);
strcatf(str, "data[%s]", s->name);
}
else
strcatf(str, "data[%u]", index);
break;
}
return 0;
}