[OTP] Add support for service changed indication

Change-Id: I2a0fe7d3e26904f4d11dbe6a5dc5af0b9a81d199
Signed-off-by: Gowtham Anandha Babu <gowtham.ab@samsung.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/src/bluetooth-otp.c b/src/bluetooth-otp.c
index dd67571..8f1f30d 100644
--- a/src/bluetooth-otp.c
+++ b/src/bluetooth-otp.c
@@ -700,6 +700,41 @@ fail:
 	return ret;
 }
 
+void _bt_otp_check_service_changed(char *address, bt_gatt_service_change_t *service_change)
+{
+	bt_otp_client_s *otp_client_s = NULL;
+	int error_code = BLUETOOTH_ERROR_NONE;
+	bluetooth_device_address_t addr_hex = { {0,} };
+	if (!address) {
+		BT_ERR("Abnormal Result!!");
+		return;
+	}
+	otp_client_s = _bt_otp_client_find(address);
+	BT_DBG("GATT Service state changed [%d]", service_change->change_type);
+	BT_DBG("GATT Service [%s]", service_change->svc_path);
+	if (otp_client_s) {
+		if (service_change->change_type ==  BLUETOOTH_GATT_SERVICE_CHANGE_TYPE_REMOVE) {
+			if (otp_client_s->otp_service_handle &&
+					g_strcmp0(otp_client_s->otp_service_handle, service_change->svc_path) == 0) {
+				BT_ERR("OTS Primary Service removed abnormally from Remote Server [%s]", address);
+				__bt_otp_client_reset_server_data(otp_client_s);
+			}
+		} else {
+			_bt_convert_address_to_hex(&addr_hex, address);
+
+			/* Attempt to update OTS Service data if service added is OTS service */
+			if (__bt_update_otp_server_data(&addr_hex, otp_client_s) == BLUETOOTH_ERROR_NONE) {
+				BT_INFO("OTS Primary Service added in Remote Server [%s]", address);
+				/* Set Service changed Watcher */
+				error_code = bluetooth_gatt_set_service_change_watcher(&addr_hex, true);
+				if (error_code != BLUETOOTH_ERROR_NONE)
+					BT_ERR("%s(0x%08x)", _bt_convert_error_to_string(error_code), error_code);
+			}
+		}
+	}
+	BT_DBG("-");
+}
+
 void _bt_otp_client_connection_state_changed(int result,
 					const char *remote_address,
 					bool connected)
@@ -717,6 +752,7 @@ void _bt_otp_client_connection_state_changed(int result,
 		if (result != BT_ERROR_NONE) {
 			BT_ERR("GATT Connect Request failed Address [%s]", remote_address);
 			__bt_otp_client_reset_server_data(otp_client_s);
+			bluetooth_gatt_set_service_change_watcher(&addr_hex, false);
 
 			if (otp_client_s->connection_callback)
 				((bt_otp_client_state_changed_cb)otp_client_s->connection_callback)
@@ -731,10 +767,16 @@ void _bt_otp_client_connection_state_changed(int result,
 			error_code = __bt_update_otp_server_data(&addr_hex, otp_client_s);
 			if (error_code != BLUETOOTH_ERROR_NONE)
 				BT_ERR("%s(0x%08x)", _bt_convert_error_to_string(error_code), error_code);
+
+			/* Set Service changed Watcher */
+			error_code = bluetooth_gatt_set_service_change_watcher(&addr_hex, true);
+			if (error_code != BLUETOOTH_ERROR_NONE)
+				BT_ERR("%s(0x%08x)", _bt_convert_error_to_string(error_code), error_code);
 		} else {
 			BT_DBG("Remote device disconnected successfully");
 			/* Disconnected */
 			__bt_otp_client_reset_server_data(otp_client_s);
+			bluetooth_gatt_set_service_change_watcher(&addr_hex, false);
 		}
 		otp_client_s->connected = connected;
 
@@ -795,6 +837,12 @@ int bt_otp_client_create(const char *remote_address, bt_otp_client_h *otp_client
 			g_free(otp_client_s);
 			return BT_ERROR_OPERATION_FAILED;
 		}
+		error_code = bluetooth_gatt_set_service_change_watcher(&addr_hex, true);
+		if (error_code != BLUETOOTH_ERROR_NONE) {
+			__bt_otp_client_reset_server_data(otp_client_s);
+			g_free(otp_client_s);
+			return BT_ERROR_OPERATION_FAILED;
+		}
 	}
 
 	otp_client_s->remote_address = g_strdup(remote_address);