1 // SPDX-License-Identifier: Apache-2.0
2 // SPDX-FileCopyrightText: Copyright OpenBMC Authors
3 // SPDX-FileCopyrightText: Copyright 2019 Intel Corporation
4 #pragma once
5
6 #include <systemd/sd-id128.h>
7
8 #include <array>
9 #include <string>
10
11 namespace redfish
12 {
13
14 namespace systemd_utils
15 {
16
17 /**
18 * @brief Retrieve service root UUID
19 *
20 * @return Service root UUID
21 */
22
getUuid()23 inline std::string getUuid()
24 {
25 std::string ret;
26 // This ID needs to match the one in ipmid
27 sd_id128_t appId{{0Xe0, 0Xe1, 0X73, 0X76, 0X64, 0X61, 0X47, 0Xda, 0Xa5,
28 0X0c, 0Xd0, 0Xcc, 0X64, 0X12, 0X45, 0X78}};
29 sd_id128_t machineId{};
30
31 if (sd_id128_get_machine_app_specific(appId, &machineId) == 0)
32 {
33 std::array<char, SD_ID128_STRING_MAX> str{};
34 ret = sd_id128_to_string(machineId, str.data());
35 ret.insert(8, 1, '-');
36 ret.insert(13, 1, '-');
37 ret.insert(18, 1, '-');
38 ret.insert(23, 1, '-');
39 }
40
41 return ret;
42 }
43
44 } // namespace systemd_utils
45 } // namespace redfish
46