1 /*
2 * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "sysparam.h"
17
18 #include "power_log.h"
19 #include "string_ex.h"
20 #include "syspara/parameter.h"
21
22 namespace OHOS {
23 namespace PowerMgr {
RegisterBootCompletedCallback(BootCompletedCallback & callback)24 void SysParam::RegisterBootCompletedCallback(BootCompletedCallback& callback)
25 {
26 int32_t ret = WatchParameter(
27 KEY_BOOT_COMPLETED,
28 [](const char* key, const char* value, void* context) {
29 if (strcmp(value, "true") == 0) {
30 ((BootCompletedCallback)context)();
31 }
32 },
33 reinterpret_cast<void*>(callback));
34 if (ret < 0) {
35 POWER_HILOGW(COMP_UTILS, "RegisterBootCompletedCallback failed, ret=%{public}d", ret);
36 }
37 }
38
GetIntValue(const std::string & key,int32_t def)39 int32_t SysParam::GetIntValue(const std::string& key, int32_t def)
40 {
41 char value[VALUE_MAX_LEN] = {0};
42 int32_t ret = GetParameter(key.c_str(), std::to_string(def).c_str(), value, VALUE_MAX_LEN);
43 if (ret < 0) {
44 POWER_HILOGW(COMP_UTILS, "GetParameter failed, return default value, ret=%{public}d, def=%{public}d", ret, def);
45 return def;
46 }
47 int32_t intValue = def;
48 StrToInt(TrimStr(value), intValue);
49 return intValue;
50 }
51 } // namespace PowerMgr
52 } // namespace OHOS