xref: /drivers/peripheral/power/interfaces/hdi_service/src/running_lock_counter.cpp

/*
 * Copyright (c) 2023 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "running_lock_counter.h"
#ifdef HAS_POWER_HISYSEVENT_PART
#include "hisysevent.h"
#endif
#include "hdf_base.h"
#include "system_operation.h"
#include "power_hdf_log.h"

namespace OHOS {
namespace HDI {
namespace Power {
namespace V1_2 {
int32_t RunningLockCounter::Increase(const RunningLockInfo &info)
{
    auto iterator = runninglockInfos_.find(info.name);
    if (iterator != runninglockInfos_.end()) {
        if (info.timeoutMs < 0) {
            HDF_LOGW("Lock counter increase failed, runninglock name=%{public}s is exist and timeout < 0",
                info.name.c_str());
            return HDF_FAILURE;
        }
        iterator->second.timeoutMs = info.timeoutMs;
        return HDF_SUCCESS;
    }
    ++counter_;
    if (counter_ == 1) {
        SystemOperation::WriteWakeLock(tag_);
    }
    runninglockInfos_.emplace(info.name, info);
    NotifyHiView(info, ChangedType::NOTIFY_RUNNINGLOCK_ADD, RunningLockState::RUNNINGLOCK_STATE_ENABLE);
    return HDF_SUCCESS;
}

int32_t RunningLockCounter::Decrease(const RunningLockInfo &info)
{
    auto iterator = runninglockInfos_.find(info.name);
    if (iterator == runninglockInfos_.end()) {
        HDF_LOGW("Runninglock name=%{public}s is not exist, no need to decrease lock counter", info.name.c_str());
        return HDF_ERR_NOT_SUPPORT;
    }
    --counter_;
    if (counter_ == 0) {
        SystemOperation::WriteWakeUnlock(tag_);
    }
    runninglockInfos_.erase(info.name);
    NotifyHiView(info, ChangedType::NOTIFY_RUNNINGLOCK_REMOVE, RunningLockState::RUNNINGLOCK_STATE_DISABLE);
    return HDF_SUCCESS;
}

void RunningLockCounter::Clean()
{
    runninglockInfos_.clear();
}

void RunningLockCounter::NotifyHiView(const RunningLockInfo &info, ChangedType changeType, RunningLockState state)
{
#ifdef HAS_POWER_HISYSEVENT_PART
    const int logLevel = 2;
    const std::string &tag = runninglockNotifyStr_.at(changeType);
    const std::string bundleName = "";
    HiSysEventWrite(HiviewDFX::HiSysEvent::Domain::POWER, "RUNNINGLOCK",
        HiviewDFX::HiSysEvent::EventType::STATISTIC,
        "PID", info.pid, "UID", info.uid, "STATE", static_cast<int32_t>(state), "TYPE", type_, "NAME", info.name,
        "BUNDLENAME", bundleName, "LOG_LEVEL", logLevel, "TAG", tag);
#endif
}
} // namespace V1_2
} // namespace Power
} // namespace HDI
} // namespace OHOS