From: Jakub Tyszkowski <jakub.tyszkowski@xxxxxxxxx>
This adds database record about gatt's 'services changed'
characteristic. Proper flag in device is being set to mark it for
notification if gatt services are changed.
---
android/gatt.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/android/gatt.c b/android/gatt.c
index f5aad93..d588a56 100644
--- a/android/gatt.c
+++ b/android/gatt.c
@@ -133,6 +133,8 @@ struct gatt_device {
GIOChannel *att_io;
struct queue *services;
+ bool notify_services_changed;
+
guint watch_id;
guint server_id;
@@ -3898,6 +3900,49 @@ static void register_device_info_service(void)
gatt_db_service_set_active(gatt_db, srvc_handle, true);
}
+static void gatt_srvc_change_register_cb(uint16_t handle, uint16_t offset,
+ const uint8_t *val, size_t len,
+ uint8_t att_opcode,
+ bdaddr_t *bdaddr,
+ void *user_data)
+{
+ uint8_t pdu[ATT_DEFAULT_LE_MTU];
+ struct gatt_device *dev;
+ uint16_t length;
+
+ dev = find_device_by_addr(bdaddr);
+ if (!dev) {
+ error("gatt: Could not find device ?!");
+ return;
+ }
+
+ /* Set services changed notification flag */
+ dev->notify_services_changed = !!(*val);
+
+ length = enc_write_resp(pdu);
+
+ g_attrib_send(dev->attrib, 0, pdu, length, NULL, NULL, NULL);
+}
+
+static void register_gatt_service(void)
+{
+ bt_uuid_t uuid;
+ uint16_t srvc_handle;
+
+ DBG("");
+
+ bt_uuid16_create(&uuid, 0x1801);
+ srvc_handle = gatt_db_add_service(gatt_db, &uuid, true, 3);
+
+ bt_uuid16_create(&uuid, GATT_CHARAC_SERVICE_CHANGED);
+ gatt_db_add_characteristic(gatt_db, srvc_handle, &uuid, 0,
+ GATT_CHR_PROP_INDICATE,
+ NULL, gatt_srvc_change_register_cb,
+ NULL);
+
+ gatt_db_service_set_active(gatt_db, srvc_handle, true);
+}
+
static int start_listen_socket(void)
{
GError *gerr = NULL;
@@ -3966,6 +4011,7 @@ bool bt_gatt_register(struct ipc *ipc, const bdaddr_t *addr)
register_gap_service();
register_device_info_service();
+ register_gatt_service();
return true;
}
--
1.8.4
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