Hi Michael,
On Wed, Dec 10, 2014 at 1:08 AM, Michael Janssen <jamuraa@xxxxxxxxxxxx> wrote:
> Added to support the GATT discovery of services by UUID.
> Currently only works for values which are stored within the attribute
> structure (not callback-based).
> ---
> src/shared/gatt-db.c | 27 +++++++++++++++++++++++++++
> src/shared/gatt-db.h | 7 +++++++
> 2 files changed, 34 insertions(+)
>
> diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c
> index 98fb8a0..b261ca4 100644
> --- a/src/shared/gatt-db.c
> +++ b/src/shared/gatt-db.c
> @@ -853,6 +853,8 @@ struct find_by_type_value_data {
> bt_uuid_t uuid;
> uint16_t start_handle;
> uint16_t end_handle;
> + const void *value;
> + size_t value_len;
> };
>
> static void find_by_type(void *data, void *user_data)
> @@ -878,6 +880,12 @@ static void find_by_type(void *data, void *user_data)
> if (bt_uuid_cmp(&search_data->uuid, &attribute->uuid))
> continue;
>
> + /* TODO: fix for read-callback based attributes */
> + if (search_data->value && memcmp(attribute->value,
> + search_data->value,
> + search_data->value_len))
> + continue;
> +
> queue_push_tail(search_data->queue, attribute);
> }
> }
> @@ -897,6 +905,25 @@ void gatt_db_find_by_type(struct gatt_db *db, uint16_t start_handle,
> queue_foreach(db->services, find_by_type, &data);
> }
>
> +void gatt_db_find_by_type_value(struct gatt_db *db, uint16_t start_handle,
> + uint16_t end_handle,
> + const bt_uuid_t *type,
> + const void *value,
> + size_t value_len,
> + struct queue *queue)
> +{
> + struct find_by_type_value_data data;
> +
> + data.uuid = *type;
> + data.start_handle = start_handle;
> + data.end_handle = end_handle;
> + data.queue = queue;
> + data.value = value;
> + data.value_len = value_len;
> +
> + queue_foreach(db->services, find_by_type, &data);
> +}
> +
> struct read_by_type_data {
> struct queue *queue;
> bt_uuid_t uuid;
> diff --git a/src/shared/gatt-db.h b/src/shared/gatt-db.h
> index e5fe6bb..22e60d5 100644
> --- a/src/shared/gatt-db.h
> +++ b/src/shared/gatt-db.h
> @@ -92,6 +92,13 @@ void gatt_db_find_by_type(struct gatt_db *db, uint16_t start_handle,
> const bt_uuid_t *type,
> struct queue *queue);
>
> +void gatt_db_find_by_type_value(struct gatt_db *db, uint16_t start_handle,
> + uint16_t end_handle,
> + const bt_uuid_t *type,
> + const void *value,
> + size_t value_len,
> + struct queue *queue);
> +
We actually have plans to replace this API that expose queues with
callback based thus avoid having to iterate twice.
> void gatt_db_read_by_type(struct gatt_db *db, uint16_t start_handle,
> uint16_t end_handle,
> const bt_uuid_t type,
> --
> 2.2.0.rc0.207.ga3a616c
>
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--
Luiz Augusto von Dentz
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