1 /*
2 * Copyright (C) 2022 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <nos/feature.h>
18
19 namespace nos {
20
has_feature(NuggetClientInterface & nug,enum feature_support_app_id app_id,uint32_t feature)21 bool has_feature(NuggetClientInterface& nug, enum feature_support_app_id app_id,
22 uint32_t feature) {
23 uint32_t feature_id = (app_id << TA_OFFSET) | (feature & FEATURE_MASK);
24
25 std::vector<uint8_t> req(sizeof(feature_id));
26 memcpy(req.data(), &feature_id, sizeof(feature_id));
27
28 std::vector<uint8_t> resp;
29 resp.reserve(sizeof(uint8_t));
30
31 uint32_t rv =
32 nug.CallApp(APP_ID_NUGGET, NUGGET_PARAM_GET_FEATURE_SUPPORT, req, &resp);
33 if (rv != APP_SUCCESS) {
34 return false;
35 }
36
37 if (resp.size() < 1) {
38 return false; // I guess?
39 }
40
41 return !!resp[0];
42 }
43
44 } // namespace nos
45