From: Marcin Kraglak <marcin.kraglak@xxxxxxxxx>
It will return list of attributes with given type.
---
src/shared/gatt-db.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++
src/shared/gatt-db.h | 11 ++++++++++
2 files changed, 72 insertions(+)
diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c
index c3645f1..60d3140 100644
--- a/src/shared/gatt-db.c
+++ b/src/shared/gatt-db.c
@@ -552,3 +552,64 @@ void gatt_db_find_by_type_value(struct gatt_db *db, uint16_t start_handle,
queue_foreach(db->services, find_by_type_value, &data);
}
+
+struct read_by_type_data {
+ struct queue *queue;
+ bt_uuid_t uuid;
+ uint16_t start_handle;
+ uint16_t end_handle;
+};
+
+static void read_by_type(void *data, void *user_data)
+{
+ struct read_by_type_data *search_data = user_data;
+ struct gatt_db_service *service = data;
+ struct gatt_db_attribute *attribute;
+ struct gatt_db_handle_value *value;
+ int i;
+
+ if (!service->active)
+ return;
+
+ for (i = 0; i < service->num_handles; i++) {
+ attribute = service->attributes[i];
+ if (!attribute)
+ continue;
+
+ if (attribute->handle < search_data->start_handle)
+ continue;
+
+ if (attribute->handle > search_data->end_handle)
+ return;
+
+ if (bt_uuid_cmp(&search_data->uuid, &attribute->uuid))
+ continue;
+
+ value = malloc0(sizeof(struct gatt_db_handle_value) +
+ attribute->value_len);
+ if (!value)
+ return;
+
+ value->handle = attribute->handle;
+ value->length = attribute->value_len;
+ if (attribute->value_len)
+ memcpy(value->value, attribute->value, value->length);
+
+ if (!queue_push_tail(search_data->queue, value))
+ free(value);
+ }
+}
+
+void gatt_db_read_by_type(struct gatt_db *db, uint16_t start_handle,
+ uint16_t end_handle,
+ const bt_uuid_t type,
+ struct queue *queue)
+{
+ struct read_by_type_data data;
+ data.uuid = type;
+ data.start_handle = start_handle;
+ data.end_handle = end_handle;
+ data.queue = queue;
+
+ queue_foreach(db->services, read_by_type, &data);
+}
diff --git a/src/shared/gatt-db.h b/src/shared/gatt-db.h
index 9bfdb12..b5f9073 100644
--- a/src/shared/gatt-db.h
+++ b/src/shared/gatt-db.h
@@ -84,3 +84,14 @@ void gatt_db_find_by_type_value(struct gatt_db *db, uint16_t start_handle,
const uint8_t *value,
uint16_t length,
struct queue *queue);
+
+struct gatt_db_handle_value {
+ uint16_t handle;
+ uint16_t length;
+ uint8_t value[0];
+};
+
+void gatt_db_read_by_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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