Implement MTU changed callback for GATT server

[Model] All
[BinType] AP
[Customer] OPEN

[Issue#] N/A
[Request] Internal
[Occurrence Version] N/A

[Problem] Unable to notice MTU changed event to application
[Cause & Measure] Implement MTU changed callback for GATT server
[Checking Method] n/a

[Team] Convergence BT
[Developer] Injun Yang
[Solution company] Samsung
[Change Type] Specification change

Change-Id: I266f8335948c7dd358c8c4e43a974109d297a9b6
Signed-off-by: injun.yang <injun.yang@samsung.com>
Signed-off-by: DoHyun Pyun <dh79.pyun@samsung.com>

2 files changed, 79 insertions, 1 deletions

diff --git a/src/bluetooth-common.c b/src/bluetooth-common.c
index c92cb0a..d5966fb 100644
--- a/src/bluetooth-common.c
+++ b/src/bluetooth-common.c
@@ -724,6 +724,23 @@ static int __bt_get_bt_gatt_client_att_mtu_info_s(bt_gatt_client_att_mtu_info_s
 	return BT_ERROR_NONE;
 }
 
+static int __bt_get_bt_gatt_server_att_mtu_info_s(bt_gatt_server_att_mtu_info_s **dest, bluetooth_le_att_mtu_info_t *source)
+{
+	*dest = (bt_gatt_server_att_mtu_info_s *)g_malloc0(sizeof(bt_gatt_server_att_mtu_info_s));
+
+	if (_bt_convert_address_to_string(&((*dest)->remote_address), &(source->device_address)) != BT_ERROR_NONE) {
+		g_free(*dest);
+		*dest = NULL;
+
+		return BT_ERROR_OUT_OF_MEMORY;
+	}
+
+	(*dest)->mtu = source->mtu;
+	(*dest)->status = source->status;
+
+	return BT_ERROR_NONE;
+}
+
 static int __bt_get_bt_device_connection_info_s(bt_device_connection_info_s **dest, bt_connection_info_t *source)
 {
 	*dest = (bt_device_connection_info_s *)g_malloc0(sizeof(bt_device_connection_info_s));
@@ -1252,7 +1269,7 @@ static bool __bt_need_to_handle(int event)
 	case BLUETOOTH_EVENT_GATT_SERVER_NOTIFICATION_COMPLETED:
 	case BLUETOOTH_EVENT_GATT_CLIENT_SERVICE_CHANGED:
 	case BLUETOOTH_EVENT_GATT_ATT_MTU_CHANGED:
-	case BLUETOOTH_EVENT_TDS_TRANSPORT_DATA_RECEIVED:
+	case BLUETOOTH_EVENT_GATT_SERVER_ATT_MTU_CHANGED:
 	case BLUETOOTH_EVENT_TDS_ACTIVATION_RESULT:
 	case BLUETOOTH_EVENT_TDS_CONTROL_POINT_ENABLED:
 	case BLUETOOTH_EVENT_TDS_ACTIVATION_INDICATION:
@@ -2907,6 +2924,29 @@ static void __bt_event_proxy(int event, bluetooth_event_param_t *param, void *us
 
 		break;
 	}
+	case BLUETOOTH_EVENT_GATT_SERVER_ATT_MTU_CHANGED: {
+		bt_gatt_server_att_mtu_info_s *mtu_info = NULL;
+		const GSList *server_list = NULL;
+		bt_gatt_server_s *server = NULL;
+
+		BT_INFO("BLUETOOTH_EVENT_GATT_SERVER_ATT_MTU_CHANGED");
+
+		server_list = _bt_gatt_get_server_list();
+		if (!server_list)
+			break;
+
+		server = (bt_gatt_server_s *)server_list->data;
+
+		__bt_get_bt_gatt_server_att_mtu_info_s(&mtu_info, (bluetooth_le_att_mtu_info_t *)(param->param_data));
+
+		if (server && server->att_mtu_changed_cb)
+			server->att_mtu_changed_cb(server,
+					(const bt_gatt_server_att_mtu_info_s *)mtu_info,
+					server->att_mtu_changed_user_data);
+
+		g_free(mtu_info);
+		break;
+	}
 	case BLUETOOTH_EVENT_LE_DATA_LENGTH_CHANGED:
 		BT_INFO("__bt_le_set_data_length_changed_cb() will be called");
 		data_length_info = (bt_le_data_length_params_t *)(param->param_data);
diff --git a/src/bluetooth-gatt.c b/src/bluetooth-gatt.c
index c17f1ae..a2b1733 100644
--- a/src/bluetooth-gatt.c
+++ b/src/bluetooth-gatt.c
@@ -3347,6 +3347,44 @@ int bt_gatt_server_foreach_services(bt_gatt_server_h server,
 	return BT_ERROR_NONE;
 }
 
+int bt_gatt_server_set_att_mtu_changed_cb(bt_gatt_server_h server, bt_gatt_server_att_mtu_changed_cb callback, void *user_data)
+{
+	bt_gatt_server_s *server_s = (bt_gatt_server_s *)server;
+
+	BT_CHECK_GATT_SERVER_SUPPORT();
+	BT_CHECK_INIT_STATUS();
+	BT_CHECK_INPUT_PARAMETER(callback);
+	BT_CHECK_INPUT_PARAMETER(server);
+
+	if (server_s->att_mtu_changed_cb) {
+		BT_INFO("Already registered");
+		server_s->att_mtu_changed_cb = callback;
+		server_s->att_mtu_changed_user_data = user_data;
+		return BT_ERROR_NONE;
+	}
+
+	BT_INFO("MTU Changed callback registered");
+	server_s->att_mtu_changed_cb = callback;
+	server_s->att_mtu_changed_user_data = user_data;
+
+	return BT_ERROR_NONE;
+}
+
+int bt_gatt_server_unset_att_mtu_changed_cb(bt_gatt_server_h server)
+{
+	bt_gatt_server_s *server_s = (bt_gatt_server_s *)server;
+
+	BT_CHECK_GATT_SERVER_SUPPORT();
+	BT_CHECK_INIT_STATUS();
+	BT_CHECK_INPUT_PARAMETER(server);
+
+	BT_INFO("MTU Changed callback unregistered");
+	server_s->att_mtu_changed_cb = NULL;
+	server_s->att_mtu_changed_user_data = NULL;
+
+	return BT_ERROR_NONE;
+}
+
 #ifdef TIZEN_GATT_CLIENT
 int bt_gatt_client_create(const char *remote_address, bt_gatt_client_h *client)
 {