This patch registers the ATTIO callbacks, and triggers the Appearance
characteristic read by UUID when the ATT connection is established, and
it's value is not found in the storage.
---
profiles/gap/gap.c | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 76 insertions(+), 0 deletions(-)
diff --git a/profiles/gap/gap.c b/profiles/gap/gap.c
index 7172975..0ecadb3 100644
--- a/profiles/gap/gap.c
+++ b/profiles/gap/gap.c
@@ -29,22 +29,32 @@
#include "adapter.h"
#include "device.h"
+#include "storage.h"
+
#include "att.h"
#include "gattrib.h"
+#include "attio.h"
#include "gatt.h"
+
#include "log.h"
#include "gap.h"
struct gap {
struct btd_device *device;
struct att_range range; /* GAP Primary service range */
+ GAttrib *attrib;
+ guint attioid;
};
static GSList *devices = NULL;
static void gap_free(struct gap *gap)
{
+ if (gap->attioid)
+ btd_device_remove_attio_callback(gap->device, gap->attioid);
+
btd_device_unref(gap->device);
+
g_free(gap);
}
@@ -56,6 +66,69 @@ static gint cmp_device(gconstpointer a, gconstpointer b)
return (gap->device == device ? 0 : -1);
}
+static void appearance_cb(guint8 status, const guint8 *pdu, guint16 plen,
+ gpointer user_data)
+{
+ struct att_data_list *list = NULL;
+ uint16_t app;
+ uint8_t *atval;
+
+ if (status != 0) {
+ DBG("Read characteristics by UUID failed: %s",
+ att_ecode2str(status));
+ return;
+ }
+
+ list = dec_read_by_type_resp(pdu, plen);
+ if (list == NULL)
+ return;
+
+ if (list->len != 4) {
+ DBG("Appearance value: invalid data");
+ goto done;
+ }
+
+ atval = list->data[0] + 2; /* skip handle value */
+ app = att_get_u16(atval);
+
+ DBG("Appearance: 0x%04x", app);
+
+done:
+ att_data_list_free(list);
+}
+
+static void attio_connected_cb(GAttrib *attrib, gpointer user_data)
+{
+ struct gap *gap = user_data;
+ bdaddr_t src, dst;
+ bt_uuid_t app_uuid;
+ uint16_t app;
+ uint8_t type;
+
+ gap->attrib = g_attrib_ref(attrib);
+
+ adapter_get_address(device_get_adapter(gap->device), &src);
+ device_get_address(gap->device, &dst, &type);
+
+ if (read_remote_appearance(&src, &dst, type, &app) == 0)
+ return;
+
+ bt_uuid16_create(&app_uuid, GATT_CHARAC_APPEARANCE);
+
+ gatt_read_char_by_uuid(gap->attrib, gap->range.start, gap->range.end,
+ &app_uuid, appearance_cb, gap);
+
+ /* TODO: Read other GAP characteristics - See Core spec page 1739 */
+}
+
+static void attio_disconnected_cb(gpointer user_data)
+{
+ struct gap *gap = user_data;
+
+ g_attrib_unref(gap->attrib);
+ gap->attrib = NULL;
+}
+
int gap_register(struct btd_device *device, struct gatt_primary *prim)
{
struct gap *gap;
@@ -67,6 +140,9 @@ int gap_register(struct btd_device *device, struct gatt_primary *prim)
devices = g_slist_append(devices, gap);
+ gap->attioid = btd_device_add_attio_callback(device, attio_connected_cb,
+ attio_disconnected_cb, gap);
+
return 0;
}
--
1.7.8.6
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