Added functions that return the number of services, characteristics, and
descriptors contained in a bt_gatt_result.
---
src/shared/gatt-helpers.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++
src/shared/gatt-helpers.h | 4 ++++
2 files changed, 53 insertions(+)
diff --git a/src/shared/gatt-helpers.c b/src/shared/gatt-helpers.c
index ff49867..00813f5 100644
--- a/src/shared/gatt-helpers.c
+++ b/src/shared/gatt-helpers.c
@@ -88,6 +88,55 @@ static void result_destroy(struct bt_gatt_result *result)
}
}
+static unsigned int result_element_count(struct bt_gatt_result *result)
+{
+ unsigned int count = 0;
+ struct bt_gatt_result *cur;
+
+ cur = result;
+
+ while (cur) {
+ count += cur->pdu_len / cur->data_len;
+ cur = cur->next;
+ }
+
+ return count;
+}
+
+unsigned int bt_gatt_result_service_count(struct bt_gatt_result *result)
+{
+ if (!result)
+ return 0;
+
+ if (result->opcode != BT_ATT_OP_READ_BY_GRP_TYPE_RSP &&
+ result->opcode != BT_ATT_OP_FIND_BY_TYPE_VAL_RSP)
+ return 0;
+
+ return result_element_count(result);
+}
+
+unsigned int bt_gatt_result_characteristic_count(struct bt_gatt_result *result)
+{
+ if (!result)
+ return 0;
+
+ if (result->opcode != BT_ATT_OP_READ_BY_TYPE_RSP)
+ return 0;
+
+ return result_element_count(result);
+}
+
+unsigned int bt_gatt_result_descriptor_count(struct bt_gatt_result *result)
+{
+ if (!result)
+ return 0;
+
+ if (result->opcode != BT_ATT_OP_FIND_INFO_RSP)
+ return 0;
+
+ return result_element_count(result);
+}
+
bool bt_gatt_iter_init(struct bt_gatt_iter *iter, struct bt_gatt_result *result)
{
if (!iter || !result)
diff --git a/src/shared/gatt-helpers.h b/src/shared/gatt-helpers.h
index cdf83ba..d63fac1 100644
--- a/src/shared/gatt-helpers.h
+++ b/src/shared/gatt-helpers.h
@@ -35,6 +35,10 @@ struct bt_gatt_iter {
uint16_t pos;
};
+unsigned int bt_gatt_result_service_count(struct bt_gatt_result *result);
+unsigned int bt_gatt_result_characteristic_count(struct bt_gatt_result *result);
+unsigned int bt_gatt_result_descriptor_count(struct bt_gatt_result *result);
+
bool bt_gatt_iter_init(struct bt_gatt_iter *iter, struct bt_gatt_result *result);
bool bt_gatt_iter_next_service(struct bt_gatt_iter *iter,
uint16_t *start_handle, uint16_t *end_handle,
--
2.1.0.rc2.206.gedb03e5
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
