index acfdaeff52094f9b37ff7d587ece03793d59a315..ce4f0d24c974d89f8e7f6af8fa41ac4c5dac4821 100644 (file)
#include "sysdb.h"
#include "core/time.h"
+#include "utils/strbuf.h"
#ifdef __cplusplus
extern "C" {
#endif
+/*
+ * sdb_timeseries_info_t:
+ * Information about a timeseries.
+ */
+typedef struct {
+ char **data_names;
+ size_t data_names_len;
+} sdb_timeseries_info_t;
+
+/*
+ * sdb_timeseries_info_create:
+ * Allocate a timeseries information object.
+ *
+ * Returns:
+ * - a newly allocated timeseries info object on success
+ * - NULL else
+ */
+sdb_timeseries_info_t *
+sdb_timeseries_info_create(size_t data_names_len, const char * const *data_names);
+
+/*
+ * sdb_timeseries_info_destroy:
+ * Destroy a timeseries info object, freeing all of its memory.
+ */
+void
+sdb_timeseries_info_destroy(sdb_timeseries_info_t *ts_info);
+
/*
* A data-point describes a datum at a certain point of time.
*/
sdb_time_t end;
} sdb_timeseries_opts_t;
+/*
+ * sdb_timeseries_create:
+ * Allocate a time-series object, pre-populating the data_names information
+ * and allocating the data field.
+ *
+ * Returns:
+ * - a newly allocated time-series object on success
+ * - NULL else
+ */
+sdb_timeseries_t *
+sdb_timeseries_create(size_t data_names_len, const char * const *data_names,
+ size_t data_len);
+
/*
* sdb_timeseries_destroy:
* Destroy a time-series object, freeing all of its memory.
void
sdb_timeseries_destroy(sdb_timeseries_t *ts);
+/*
+ * sdb_timeseries_tojson:
+ * Serialize a time-series to JSON written to the specified string buffer.
+ *
+ * Returns:
+ * - 0 on success
+ * - a negative value else
+ */
+int
+sdb_timeseries_tojson(sdb_timeseries_t *ts, sdb_strbuf_t *buf);
+
#ifdef __cplusplus
} /* extern "C" */
#endif