michaelh/zephyr
1
0
Fork 0
Code Releases Activity

Bluetooth: GATT: Skip ahead if handle is not within service handles

Browse source 
This reduces bt_gatt_foreach_attr complexity (O(n)) so it can skip
ahead when the start handle is not within its service handles.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Luiz Augusto von Dentz 2019-04-02 19:47:01 +03:00 • committed by Johan Hedberg
commit 4154f27ab5
1 changed files with 9 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
subsys/bluetooth/host/gatt.c
View file

@ -933,6 +933,15 @@ void bt_gatt_foreach_attr(u16_t start_handle, u16_t end_handle,
SYS_SLIST_FOR_EACH_CONTAINER(&db, svc, node) {
int i;
struct bt_gatt_service *next;
next = SYS_SLIST_PEEK_NEXT_CONTAINER(svc, node);
if (next) {
/* Skip ahead if start is not within service handles */
if (next->attrs[0].handle <= start_handle) {
continue;
}
}
for (i = 0; i < svc->attr_count; i++) {
struct bt_gatt_attr *attr = &svc->attrs[i];