From: Marcin Kraglak <marcin.kraglak@xxxxxxxxx>
It will return list of gropu values, starting handle, end handle and
service attrtbute value.
---
src/shared/gatt-db.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++++++
src/shared/gatt-db.h | 13 ++++++++++
2 files changed, 84 insertions(+)
diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c
index 8675dcc..26fdc84 100644
--- a/src/shared/gatt-db.c
+++ b/src/shared/gatt-db.c
@@ -409,3 +409,74 @@ bool gatt_db_service_set_active(struct gatt_db *db, uint16_t handle,
return true;
}
+
+struct read_by_group_type_data {
+ struct queue *queue;
+ bt_uuid_t uuid;
+ uint16_t start_handle;
+ uint16_t end_handle;
+ uint16_t uuid_size;
+ bool stop_search;
+};
+
+static void read_by_group_type(void *data, void *user_data)
+{
+ struct read_by_group_type_data *search_data = user_data;
+ struct gatt_db_service *service = data;
+ struct gatt_db_group *group;
+
+ if (!service->active)
+ return;
+
+ /* Don't want more results as they have different size*/
+ if (search_data->stop_search)
+ return;
+
+ if (bt_uuid_cmp(&search_data->uuid, &service->attributes[0]->uuid))
+ return;
+
+ if (service->attributes[0]->handle < search_data->start_handle)
+ return;
+
+ /* Remember size of uuid */
+ if (!search_data->uuid_size) {
+ search_data->uuid_size = service->attributes[0]->value_len;
+ } else if (search_data->uuid_size !=
+ service->attributes[0]->value_len) {
+
+ /* Don't want more results. This is last */
+ search_data->stop_search = true;
+ return;
+ }
+
+ group = malloc0(sizeof(struct gatt_db_group) +
+ service->attributes[0]->value_len);
+ if (!group)
+ return;
+
+ group->len = service->attributes[0]->value_len;
+ memcpy(group->value, service->attributes[0]->value, group->len);
+ group->handle = service->attributes[0]->handle;
+ group->end_group = service->attributes[0]->handle +
+ service->num_handles - 1;
+
+ if (!queue_push_tail(search_data->queue, group))
+ free(group);
+}
+
+void gatt_db_read_by_group_type(struct gatt_db *db, uint16_t start_handle,
+ uint16_t end_handle,
+ const bt_uuid_t type,
+ struct queue *queue)
+{
+ struct read_by_group_type_data data;
+
+ data.uuid = type;
+ data.start_handle = start_handle;
+ data.end_handle = end_handle;
+ data.queue = queue;
+ data.uuid_size = 0;
+ data.stop_search = false;
+
+ queue_foreach(db->services, read_by_group_type, &data);
+}
diff --git a/src/shared/gatt-db.h b/src/shared/gatt-db.h
index 314e09b..9d5e214 100644
--- a/src/shared/gatt-db.h
+++ b/src/shared/gatt-db.h
@@ -58,3 +58,16 @@ uint16_t gatt_db_add_included_service(struct gatt_db *db, uint16_t handle,
bool gatt_db_service_set_active(struct gatt_db *db, uint16_t handle,
bool active);
+
+struct gatt_db_group {
+ uint16_t handle;
+ uint16_t end_group;
+ uint16_t len;
+ uint8_t value[0];
+};
+
+/* Returns queue with struct gatt_db_group */
+void gatt_db_read_by_group_type(struct gatt_db *db, uint16_t start_handle,
+ uint16_t end_handle,
+ const bt_uuid_t type,
+ struct queue *queue);
--
1.8.4
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