X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=src%2Finclude%2Fcore%2Ftimeseries.h;h=b19625d1ca21166e5eb75bcb65571f06c8286051;hb=9a96acd759c31211aa512e174339a9c178c4eb83;hp=52848a71d948954f3a9bceebe970f2520f6d68c9;hpb=b3c5403f90933d3d63ebaf9174524fa018a50f4f;p=sysdb.git

diff --git a/src/include/core/timeseries.h b/src/include/core/timeseries.h
index 52848a7..b19625d 100644
--- a/src/include/core/timeseries.h
+++ b/src/include/core/timeseries.h
@@ -30,6 +30,7 @@
 
 #include "sysdb.h"
 #include "core/time.h"
+#include "utils/strbuf.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -56,8 +57,9 @@ typedef struct {
 	sdb_time_t end;
 
 	sdb_data_point_t **data;
-	char **data_names;
 	size_t data_len;
+	char **data_names;
+	size_t data_names_len;
 } sdb_timeseries_t;
 
 /*
@@ -69,6 +71,19 @@ typedef struct {
 	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.
@@ -76,6 +91,17 @@ typedef struct {
 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