1/*
2 * Copyright (C) 2024 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#include "nfc_param_util.h"
16
17#include "loghelper.h"
18#include "nfc_sdk_common.h"
19#include "parameter.h"
20
21namespace OHOS {
22namespace NFC {
23void NfcParamUtil::UpdateNfcStateToParam(int newState)
24{
25    if (newState != KITS::STATE_ON && newState != KITS::STATE_OFF) {
26        ErrorLog("illegal state [%{public}d].", newState);
27        return;
28    }
29    InfoLog("UpdateNfcStateToParam, new nfc state[%{public}d]", newState);
30    int errCode = SetParameter(NFC_SWITCH_STATE_PARAM_NAME, std::to_string(newState).c_str());
31    if (errCode < 0) {
32        ErrorLog("fail to set nfc switch param, errCode[%{public}d]", errCode);
33    }
34}
35
36int NfcParamUtil::GetNfcStateFromParam()
37{
38    char nfcState[PROPERTY_VALUE_MAX] = {0};
39    int errCode = GetParameter(NFC_SWITCH_STATE_PARAM_NAME, "", nfcState, PROPERTY_VALUE_MAX);
40    if (errCode != NFC_SWITCH_PARAM_LEN) {
41        ErrorLog("failed to get nfc switch state, errCode[%{public}d]", errCode);
42        return 0; // return invalid nfc state
43    }
44    InfoLog("GetNfcStateFromParam, nfc state[%{publib}d]", nfcState);
45    errno = 0;
46    char *endptr = nullptr;
47    long int num = std::strtol(nfcState, &endptr, DECIMAL_NOTATION);
48    if (errno == ERANGE) {
49        ErrorLog("strtol errno = ERANGE");
50        return 0; // return invalid nfc state
51    }
52    return static_cast<int>(num);
53}
54}  // namespace NFC
55}  // namespace OHOS