Handle query result and prepare to forward by API

First draft to be able to read at regular interval the TSDB
InfluxDB. This prepare a JSON object formated to be handled as
an input argument from a regular call to the API verb 'write'
Then it is only needed to call the remote verb to forward all the results

Change-Id: I80076dd9cf00ba43075d37dd4d15180e63e37289
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

2 files changed, 15 insertions, 0 deletions

diff --git a/src/utils/list.c b/src/utils/list.c
index bd7eeac..d47f761 100644
--- a/src/utils/list.c
+++ b/src/utils/list.c
@@ -64,6 +64,20 @@ void add_key(struct list **l, const char *key)
 	}
 }
 
+int set_value(struct list *l, json_object *val, int index)
+{
+	int i;
+
+	for (i = 0; i < index; i++) {
+		l = l->next;
+		if ( l == NULL )
+			return -1;
+	}
+
+	l->value = val;
+	return 0;
+}
+
 struct list *get_elt(struct list *l, int index)
 {
 	int i;
diff --git a/src/utils/list.h b/src/utils/list.h
index 7cacbed..9f93cb6 100644
--- a/src/utils/list.h
+++ b/src/utils/list.h
@@ -29,6 +29,7 @@ struct list {
 void destroy_list(struct list *l);
 void add_elt(struct list **l, const char *key, json_object *value);
 void add_key(struct list **l, const char *key);
+int set_value(struct list *l, json_object *val, int index);
 struct list *get_elt(struct list *l, int index);
 struct list *find_elt_from_key(struct list *l, const char *key);
 json_object *find_key_value(struct list *l, const char *key);