aidl/default/BroadcastRadio.cpp

/*
 * Copyright (C) 2022 The Android Open Source Project
 *
 * 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 "BroadcastRadio.h"
#include <broadcastradio-utils-aidl/Utils.h>
#include <broadcastradio-utils-aidl/UtilsV2.h>
#include <broadcastradio-utils-aidl/UtilsV3.h>
#include "resources.h"

#include <android-base/logging.h>
#include <android-base/strings.h>

#include <private/android_filesystem_config.h>

namespace aidl::android::hardware::broadcastradio {

using ::aidl::android::hardware::broadcastradio::utils::resultToInt;
using ::aidl::android::hardware::broadcastradio::utils::tunesTo;
using ::android::base::EqualsIgnoreCase;
using ::ndk::ScopedAStatus;
using ::std::literals::chrono_literals::operator""ms;
using ::std::literals::chrono_literals::operator""s;
using ::std::lock_guard;
using ::std::mutex;
using ::std::string;
using ::std::vector;

namespace {

inline constexpr std::chrono::milliseconds kSeekDelayTimeMs = 200ms;
inline constexpr std::chrono::milliseconds kStepDelayTimeMs = 100ms;
inline constexpr std::chrono::milliseconds kTuneDelayTimeMs = 150ms;
inline constexpr std::chrono::seconds kListDelayTimeS = 1s;

const string kAlertAreaDelimiter = "+";
const string kAlertCoordinateGeocodeDelimiter = ",";
// clang-format off
const AmFmBandRange kFmFullBandRange = {65000, 108000, 10, 0};
const AmFmBandRange kAmFullBandRange = {150, 30000, 1, 0};
const AmFmRegionConfig kDefaultAmFmConfig = {
        {
                {87500, 108000, 100, 100},  // FM
                {153, 282, 3, 9},           // AM LW
                {531, 1620, 9, 9},          // AM MW
                {1600, 30000, 1, 5},        // AM SW
        },
        AmFmRegionConfig::DEEMPHASIS_D50,
        AmFmRegionConfig::RDS};
// clang-format on

Properties initProperties(const VirtualRadio& virtualRadio) {
    Properties prop = {};

    prop.maker = "Android";
    prop.product = virtualRadio.getName();
    prop.supportedIdentifierTypes = virtualRadio.getSupportedIdentifierTypes();
    prop.vendorInfo = vector<VendorKeyValue>({
            {"com.android.sample", "sample"},
    });

    return prop;
}

bool isDigitalProgramAllowed(const ProgramSelector& sel, bool forceAnalogFm, bool forceAnalogAm) {
    if (sel.primaryId.type != IdentifierType::HD_STATION_ID_EXT) {
        return true;
    }
    int32_t freq = static_cast<int32_t>(utils::getAmFmFrequency(sel));
    bool isFm = freq >= kFmFullBandRange.lowerBound && freq <= kFmFullBandRange.upperBound;
    return isFm ? !forceAnalogFm : !forceAnalogAm;
}

/**
 * Checks whether a program selector is in the current band.
 *
 * <p>For an AM/FM program, this method checks whether it is in the current AM/FM band. For a
 * program selector is also an HD program, it is also checked whether HD radio is enabled in the
 * current AM/FM band. For a non-AM/FM program, the method will returns {@code true} directly.
 * @param sel Program selector to be checked
 * @param currentAmFmBandRange the current AM/FM band
 * @param forceAnalogFm whether FM band is forced to be analog
 * @param forceAnalogAm  whether AM band is forced to be analog
 * @return whether the program selector is in the current band if it is an AM/FM (including HD)
 * selector, {@code true} otherwise
 */
bool isProgramInBand(const ProgramSelector& sel,
                     const std::optional<AmFmBandRange>& currentAmFmBandRange, bool forceAnalogFm,
                     bool forceAnalogAm) {
    if (!utils::hasAmFmFrequency(sel)) {
        return true;
    }
    if (!currentAmFmBandRange.has_value()) {
        return false;
    }
    int32_t freq = static_cast<int32_t>(utils::getAmFmFrequency(sel));
    if (freq < currentAmFmBandRange->lowerBound || freq > currentAmFmBandRange->upperBound) {
        return false;
    }
    return isDigitalProgramAllowed(sel, forceAnalogFm, forceAnalogAm);
}

// Makes ProgramInfo that does not point to any particular program
ProgramInfo makeSampleProgramInfo(const ProgramSelector& selector) {
    ProgramInfo info = {};
    info.selector = selector;
    switch (info.selector.primaryId.type) {
        case IdentifierType::AMFM_FREQUENCY_KHZ:
            info.logicallyTunedTo = utils::makeIdentifier(
                    IdentifierType::AMFM_FREQUENCY_KHZ,
                    utils::getId(selector, IdentifierType::AMFM_FREQUENCY_KHZ));
            info.physicallyTunedTo = info.logicallyTunedTo;
            break;
        case IdentifierType::HD_STATION_ID_EXT:
            info.logicallyTunedTo = utils::makeIdentifier(IdentifierType::AMFM_FREQUENCY_KHZ,
                                                          utils::getAmFmFrequency(info.selector));
            info.physicallyTunedTo = info.logicallyTunedTo;
            break;
        case IdentifierType::DAB_SID_EXT:
            info.logicallyTunedTo = info.selector.primaryId;
            info.physicallyTunedTo = utils::makeIdentifier(
                    IdentifierType::DAB_FREQUENCY_KHZ,
                    utils::getId(selector, IdentifierType::DAB_FREQUENCY_KHZ));
            break;
        default:
            info.logicallyTunedTo = info.selector.primaryId;
            info.physicallyTunedTo = info.logicallyTunedTo;
            break;
    }
    return info;
}

static Alert createSampleAlert() {
    Polygon polygon = {{{-38.47, -120.14},
                        {38.34, -119.95},
                        {38.52, -119.74},
                        {38.62, -119.89},
                        {-38.47, -120.14}}};
    AlertArea alertArea1 = {{polygon}, {{"SAME", "006109"}, {"SAME", "006209"}}};
    AlertArea alertArea2 = {{}, {{"SAME", "006009"}}};
    AlertInfo alertInfo;
    alertInfo.categoryArray = {AlertCategory::GEO, AlertCategory::TRANSPORT};
    alertInfo.urgency = AlertUrgency::FUTURE;
    alertInfo.severity = AlertSeverity::SEVERE;
    alertInfo.certainty = AlertCertainty::POSSIBLE;
    alertInfo.description = "Sample radio alert.";
    alertInfo.language = "en-US";
    alertInfo.areas.push_back(alertArea1);
    alertInfo.areas.push_back(alertArea2);
    Alert alert;
    alert.status = AlertStatus::ACTUAL;
    alert.messageType = AlertMessageType::ALERT;
    alert.infoArray.push_back(alertInfo);
    return alert;
}

static bool checkDumpCallerHasWritePermissions(int fd) {
    uid_t uid = AIBinder_getCallingUid();
    if (uid == AID_ROOT || uid == AID_SHELL || uid == AID_SYSTEM) {
        return true;
    }
    dprintf(fd, "BroadcastRadio HAL dump must be root, shell or system\n");
    return false;
}

static bool parseGeocode(int fd, const string& geocodeString, Geocode& parsedGeocode) {
    vector<string> geocodeStringPair =
            ::android::base::Split(geocodeString, kAlertCoordinateGeocodeDelimiter);
    if (geocodeStringPair.size() != 2) {
        dprintf(fd, "Geocode is not of \"VALUE_NAME,VALUE\" format: %s\n", geocodeString.c_str());
        return false;
    }
    parsedGeocode.valueName = geocodeStringPair[0];
    parsedGeocode.value = geocodeStringPair[1];
    return true;
}

static bool parsePolygon(int fd, const string& polygonString, Polygon& parsedPolygon) {
    vector<Coordinate> coordinates;
    vector<string> coordinateStrings =
            ::android::base::Split(polygonString, kAlertCoordinateGeocodeDelimiter);
    if (coordinateStrings.size() % 2) {
        dprintf(fd, "Incomplete \"LATITUDE,LONGITUDE\" coordinate pairs separated by \",\": %s\n",
                polygonString.c_str());
        return false;
    }
    for (size_t i = 0; i < coordinateStrings.size(); i += 2) {
        double latitude;
        double longitude;
        if (!utils::parseArgDouble(coordinateStrings[i], &latitude) ||
            !utils::parseArgDouble(coordinateStrings[i + 1], &longitude)) {
            dprintf(fd, "Value of \"LATITUDE,LONGITUDE\" coordinate pair is not double-type: %s\n",
                    coordinateStrings[i].c_str());
            return false;
        }
        coordinates.push_back(Coordinate(latitude, longitude));
    }
    parsedPolygon.coordinates = coordinates;
    return true;
}

static bool parseAreaString(int fd, const string& areaString, AlertArea& parsedAlertArea) {
    vector<string> areaEntryStrings = ::android::base::Split(areaString, "_");
    for (const auto& areaEntryString : areaEntryStrings) {
        vector<string> areaTypeValuePair = ::android::base::Split(areaEntryString, ":");
        if (areaTypeValuePair.size() != 2) {
            dprintf(fd, "Area is not of \"<TYPE>:<VALUE>\" format: %s\n", areaEntryString.c_str());
            return false;
        }
        if (EqualsIgnoreCase(areaTypeValuePair[0], "polygon")) {
            Polygon parsedPolygon;
            if (!parsePolygon(fd, areaTypeValuePair[1], parsedPolygon)) {
                return false;
            }
            parsedAlertArea.polygons.push_back(parsedPolygon);
        } else if (EqualsIgnoreCase(areaTypeValuePair[0], "geocode")) {
            Geocode parsedGeocode;
            if (!parseGeocode(fd, areaTypeValuePair[1], parsedGeocode)) {
                return false;
            }
            parsedAlertArea.geocodes.push_back(parsedGeocode);
        } else {
            dprintf(fd, "Invalid area <TYPE> other than \"polygon\" and \"geocode\": %s\n",
                    areaTypeValuePair[0].c_str());
            return false;
        }
    }
    return true;
}

static bool parseAreaListString(int fd, const string& areaListString,
                                vector<AlertArea>& parsedAlertAreas) {
    if (EqualsIgnoreCase(areaListString, kAlertAreaDelimiter)) {
        return true;
    }
    vector<string> areaStrings = ::android::base::Split(areaListString, kAlertAreaDelimiter);
    for (const auto& areaString : areaStrings) {
        AlertArea parsedArea;
        if (!parseAreaString(fd, areaString, parsedArea)) {
            return false;
        }
        parsedAlertAreas.push_back(parsedArea);
    }
    return true;
}

}  // namespace

BroadcastRadio::BroadcastRadio(const VirtualRadio& virtualRadio)
    : mVirtualRadio(virtualRadio),
      mAmFmConfig(kDefaultAmFmConfig),
      mProperties(initProperties(virtualRadio)) {
    const auto& ranges = kDefaultAmFmConfig.ranges;
    if (ranges.size() > 0) {
        ProgramSelector sel = utils::makeSelectorAmfm(ranges[0].lowerBound);
        VirtualProgram virtualProgram = {};
        if (mVirtualRadio.getProgram(sel, &virtualProgram)) {
            mCurrentProgramSelector = virtualProgram.selector;
        } else {
            mCurrentProgramSelector = sel;
        }
        adjustAmFmRangeLocked();
    }
}

BroadcastRadio::~BroadcastRadio() {
    mTuningThread.reset();
    mProgramListThread.reset();
}

ScopedAStatus BroadcastRadio::getAmFmRegionConfig(bool full, AmFmRegionConfig* returnConfigs) {
    if (full) {
        *returnConfigs = {};
        returnConfigs->ranges = vector<AmFmBandRange>({
                kFmFullBandRange,
                kAmFullBandRange,
        });
        returnConfigs->fmDeemphasis =
                AmFmRegionConfig::DEEMPHASIS_D50 | AmFmRegionConfig::DEEMPHASIS_D75;
        returnConfigs->fmRds = AmFmRegionConfig::RDS | AmFmRegionConfig::RBDS;
        return ScopedAStatus::ok();
    }
    lock_guard<mutex> lk(mMutex);
    *returnConfigs = mAmFmConfig;
    return ScopedAStatus::ok();
}

ScopedAStatus BroadcastRadio::getDabRegionConfig(vector<DabTableEntry>* returnConfigs) {
    *returnConfigs = {
            {"5A", 174928},  {"7D", 194064},  {"8A", 195936},  {"8B", 197648},  {"9A", 202928},
            {"9B", 204640},  {"9C", 206352},  {"10B", 211648}, {"10C", 213360}, {"10D", 215072},
            {"11A", 216928}, {"11B", 218640}, {"11C", 220352}, {"11D", 222064}, {"12A", 223936},
            {"12B", 225648}, {"12C", 227360}, {"12D", 229072},
    };
    return ScopedAStatus::ok();
}

ScopedAStatus BroadcastRadio::getImage(int32_t id, vector<uint8_t>* returnImage) {
    LOG(DEBUG) << __func__ << ": fetching image " << std::hex << id;

    if (id == resources::kDemoPngId) {
        *returnImage = vector<uint8_t>(resources::kDemoPng, std::end(resources::kDemoPng));
        return ScopedAStatus::ok();
    }

    LOG(WARNING) << __func__ << ": image of id " << std::hex << id << " doesn't exist";
    *returnImage = {};
    return ScopedAStatus::ok();
}

ScopedAStatus BroadcastRadio::getProperties(Properties* returnProperties) {
    lock_guard<mutex> lk(mMutex);
    *returnProperties = mProperties;
    return ScopedAStatus::ok();
}

ProgramInfo BroadcastRadio::tuneInternalLocked(const ProgramSelector& sel) {
    LOG(DEBUG) << __func__ << ": tune (internal) to " << sel.toString();

    VirtualProgram virtualProgram = {};
    ProgramInfo programInfo;
    bool isProgramAllowed =
            isDigitalProgramAllowed(sel, isConfigFlagSetLocked(ConfigFlag::FORCE_ANALOG_FM),
                                    isConfigFlagSetLocked(ConfigFlag::FORCE_ANALOG_AM));
    if (isProgramAllowed && mVirtualRadio.getProgram(sel, &virtualProgram)) {
        mCurrentProgramSelector = virtualProgram.selector;
        programInfo = virtualProgram;
    } else {
        if (!isProgramAllowed) {
            mCurrentProgramSelector = utils::makeSelectorAmfm(utils::getAmFmFrequency(sel));
        } else {
            mCurrentProgramSelector = sel;
        }
        programInfo = makeSampleProgramInfo(sel);
    }
    programInfo.infoFlags |= ProgramInfo::FLAG_SIGNAL_ACQUISITION;
    if (programInfo.selector.primaryId.type != IdentifierType::HD_STATION_ID_EXT) {
        mIsTuneCompleted = true;
    }
    if (adjustAmFmRangeLocked()) {
        startProgramListUpdatesLocked({});
    }

    return programInfo;
}

ScopedAStatus BroadcastRadio::setTunerCallback(const std::shared_ptr<ITunerCallback>& callback) {
    LOG(DEBUG) << __func__ << ": setTunerCallback";

    if (callback == nullptr) {
        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
                resultToInt(Result::INVALID_ARGUMENTS), "cannot set tuner callback to null");
    }

    lock_guard<mutex> lk(mMutex);
    mCallback = callback;

    return ScopedAStatus::ok();
}

ScopedAStatus BroadcastRadio::unsetTunerCallback() {
    LOG(DEBUG) << __func__ << ": unsetTunerCallback";

    lock_guard<mutex> lk(mMutex);
    mCallback = nullptr;

    return ScopedAStatus::ok();
}

void BroadcastRadio::handleProgramInfoUpdateRadioCallback(
        ProgramInfo programInfo, const std::shared_ptr<ITunerCallback>& callback) {
    callback->onCurrentProgramInfoChanged(programInfo);
    {
        lock_guard<mutex> lk(mMutex);
        mCurrentProgramInfo = programInfo;
    }
    if (programInfo.selector.primaryId.type != IdentifierType::HD_STATION_ID_EXT) {
        return;
    }
    ProgramSelector sel = programInfo.selector;
    auto cancelTask = [sel, callback]() { callback->onTuneFailed(Result::CANCELED, sel); };
    programInfo.infoFlags |= ProgramInfo::FLAG_HD_SIS_ACQUISITION;
    auto sisAcquiredTask = [this, callback, programInfo, cancelTask]() {
        callback->onCurrentProgramInfoChanged(programInfo);
        mCurrentProgramInfo = programInfo;
        auto audioAcquiredTask = [this, callback, programInfo]() {
            ProgramInfo hdProgramInfoWithAudio = programInfo;
            hdProgramInfoWithAudio.infoFlags |= ProgramInfo::FLAG_HD_AUDIO_ACQUISITION;
            callback->onCurrentProgramInfoChanged(hdProgramInfoWithAudio);
            lock_guard<mutex> lk(mMutex);
            mIsTuneCompleted = true;
            mCurrentProgramInfo = hdProgramInfoWithAudio;
        };
        lock_guard<mutex> lk(mMutex);
        mTuningThread->schedule(audioAcquiredTask, cancelTask, kTuneDelayTimeMs);
    };

    lock_guard<mutex> lk(mMutex);
    mTuningThread->schedule(sisAcquiredTask, cancelTask, kTuneDelayTimeMs);
}

ScopedAStatus BroadcastRadio::tune(const ProgramSelector& program) {
    LOG(DEBUG) << __func__ << ": tune to " << program.toString() << "...";

    lock_guard<mutex> lk(mMutex);
    if (mCallback == nullptr) {
        LOG(ERROR) << __func__ << ": callback is not registered.";
        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
                resultToInt(Result::INVALID_STATE), "callback is not registered");
    }

    if (!utils::isSupported(mProperties, program)) {
        LOG(WARNING) << __func__ << ": selector not supported: " << program.toString();
        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
                resultToInt(Result::NOT_SUPPORTED), "selector is not supported");
    }

    if (!utils::isValidV2(program)) {
        LOG(ERROR) << __func__ << ": selector is not valid: " << program.toString();
        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
                resultToInt(Result::INVALID_ARGUMENTS), "selector is not valid");
    }

    cancelLocked();

    mIsTuneCompleted = false;
    std::shared_ptr<ITunerCallback> callback = mCallback;
    auto task = [this, program, callback]() {
        ProgramInfo programInfo = {};
        {
            lock_guard<mutex> lk(mMutex);
            programInfo = tuneInternalLocked(program);
        }
        handleProgramInfoUpdateRadioCallback(programInfo, callback);
    };
    auto cancelTask = [program, callback]() { callback->onTuneFailed(Result::CANCELED, program); };
    mTuningThread->schedule(task, cancelTask, kTuneDelayTimeMs);

    return ScopedAStatus::ok();
}

bool BroadcastRadio::findNextLocked(const ProgramSelector& current, bool directionUp,
                                    bool skipSubChannel, VirtualProgram* nextProgram) const {
    if (mProgramList.empty()) {
        return false;
    }
    // The list is not sorted here since it has already stored in VirtualRadio.
    bool hasAmFmFrequency = utils::hasAmFmFrequency(current);
    bool hasDabSId = utils::hasId(current, IdentifierType::DAB_SID_EXT);
    uint32_t currentChannel =
            hasAmFmFrequency ? utils::getAmFmFrequency(current) : utils::getDabSId(current);
    auto found =
            std::lower_bound(mProgramList.begin(), mProgramList.end(), VirtualProgram({current}));
    if (directionUp) {
        if (found < mProgramList.end() - 1) {
            // When seeking up, tuner will jump to the first selector which is main program service
            // greater than and of the same band as the current program selector in the program
            // list (if not exist, jump to the first selector in the same band) for skipping
            // sub-channels case or AM/FM without HD radio enabled case. Otherwise, the tuner will
            // jump to the first selector which is greater than and of the same band as the current
            // program selector.
            if (utils::tunesTo(current, found->selector)) found++;
            if (skipSubChannel) {
                if (hasAmFmFrequency || hasDabSId) {
                    auto firstFound = found;
                    while ((hasAmFmFrequency &&
                            utils::getAmFmFrequency(found->selector) == currentChannel) ||
                           (hasDabSId && utils::getDabSId(found->selector) == currentChannel)) {
                        if (found < mProgramList.end() - 1) {
                            found++;
                        } else {
                            found = mProgramList.begin();
                        }
                        if (found == firstFound) {
                            // Only one main channel exists in the program list, the tuner cannot
                            // skip sub-channel to the next program selector.
                            return false;
                        }
                    }
                }
            }
        } else {
            // If the selector of current program is no less than all selectors of the same band or
            // not found in the program list, seeking up should wrap the tuner to the first program
            // selector of the same band in the program list.
            found = mProgramList.begin();
        }
    } else {
        if (found > mProgramList.begin() && found != mProgramList.end()) {
            // When seeking down, tuner will jump to the first selector which is main program
            // service less than and of the same band as the current program selector in the
            // program list (if not exist, jump to the last main program service selector of the
            // same band) for skipping sub-channels case or AM/FM without HD radio enabled case.
            // Otherwise, the tuner will jump to the first selector less than and of the same band
            // as the current program selector.
            found--;
            if ((hasAmFmFrequency && utils::hasAmFmFrequency(found->selector)) ||
                (hasDabSId && utils::hasId(found->selector, IdentifierType::DAB_SID_EXT))) {
                uint32_t nextChannel = hasAmFmFrequency ? utils::getAmFmFrequency(found->selector)
                                                        : utils::getDabSId(found->selector);
                if (nextChannel != currentChannel) {
                    jumpToFirstSubChannelLocked(found);
                } else if (skipSubChannel) {
                    jumpToFirstSubChannelLocked(found);
                    auto firstFound = found;
                    if (found > mProgramList.begin()) {
                        found--;
                    } else {
                        found = mProgramList.end() - 1;
                    }
                    jumpToFirstSubChannelLocked(found);
                    if (found == firstFound) {
                        // Only one main channel exists in the program list, the tuner cannot skip
                        // sub-channel to the next program selector.
                        return false;
                    }
                }
            }
        } else {
            // If the selector of current program is no greater than all selectors of the same band
            // or not found in the program list, seeking down should wrap the tuner to the last
            // selector of the same band in the program list. If the last program selector in the
            // program list is sub-channel and skipping sub-channels is needed, the tuner will jump
            // to the last main program service of the same band in the program list.
            found = mProgramList.end() - 1;
            jumpToFirstSubChannelLocked(found);
        }
    }
    *nextProgram = *found;
    return true;
}

void BroadcastRadio::jumpToFirstSubChannelLocked(vector<VirtualProgram>::const_iterator& it) const {
    if (it == mProgramList.begin()) {
        return;
    }
    bool hasAmFmFrequency = utils::hasAmFmFrequency(it->selector);
    bool hasDabSId = utils::hasId(it->selector, IdentifierType::DAB_SID_EXT);
    if (hasAmFmFrequency || hasDabSId) {
        uint32_t currentChannel = hasAmFmFrequency ? utils::getAmFmFrequency(it->selector)
                                                   : utils::getDabSId(it->selector);
        it--;
        while (it != mProgramList.begin()) {
            if (hasAmFmFrequency && utils::hasAmFmFrequency(it->selector) &&
                utils::getAmFmFrequency(it->selector) == currentChannel) {
                it--;
            } else if (hasDabSId && utils::hasId(it->selector, IdentifierType::DAB_SID_EXT) &&
                       utils::getDabSId(it->selector) == currentChannel) {
                it--;
            } else {
                break;
            }
        }
        it++;
    }
}

ScopedAStatus BroadcastRadio::seek(bool directionUp, bool skipSubChannel) {
    LOG(DEBUG) << __func__ << ": seek " << (directionUp ? "up" : "down") << " with skipSubChannel? "
               << (skipSubChannel ? "yes" : "no") << "...";

    lock_guard<mutex> lk(mMutex);
    if (mCallback == nullptr) {
        LOG(ERROR) << __func__ << ": callback is not registered.";
        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
                resultToInt(Result::INVALID_STATE), "callback is not registered");
    }

    cancelLocked();

    auto filterCb = [this](const VirtualProgram& program) {
        return isProgramInBand(program.selector, mCurrentAmFmBandRange,
                               isConfigFlagSetLocked(ConfigFlag::FORCE_ANALOG_FM),
                               isConfigFlagSetLocked(ConfigFlag::FORCE_ANALOG_AM));
    };
    const auto& list = mVirtualRadio.getProgramList();
    mProgramList.clear();
    std::copy_if(list.begin(), list.end(), std::back_inserter(mProgramList), filterCb);
    std::shared_ptr<ITunerCallback> callback = mCallback;
    auto cancelTask = [callback]() { callback->onTuneFailed(Result::CANCELED, {}); };

    VirtualProgram nextProgram = {};
    bool foundNext =
            findNextLocked(mCurrentProgramSelector, directionUp, skipSubChannel, &nextProgram);
    mIsTuneCompleted = false;
    if (!foundNext) {
        auto task = [callback]() {
            LOG(DEBUG) << "seek: program list is empty, seek couldn't stop";

            callback->onTuneFailed(Result::TIMEOUT, {});
        };
        mTuningThread->schedule(task, cancelTask, kSeekDelayTimeMs);

        return ScopedAStatus::ok();
    }

    auto task = [this, nextProgram, callback]() {
        ProgramInfo programInfo = {};
        {
            lock_guard<mutex> lk(mMutex);
            programInfo = tuneInternalLocked(nextProgram.selector);
        }
        handleProgramInfoUpdateRadioCallback(programInfo, callback);
    };
    mTuningThread->schedule(task, cancelTask, kSeekDelayTimeMs);

    return ScopedAStatus::ok();
}

ScopedAStatus BroadcastRadio::step(bool directionUp) {
    LOG(DEBUG) << __func__ << ": step " << (directionUp ? "up" : "down") << "...";

    lock_guard<mutex> lk(mMutex);
    if (mCallback == nullptr) {
        LOG(ERROR) << __func__ << ": callback is not registered.";
        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
                resultToInt(Result::INVALID_STATE), "callback is not registered");
    }

    cancelLocked();

    int64_t stepTo;
    if (utils::hasId(mCurrentProgramSelector, IdentifierType::AMFM_FREQUENCY_KHZ)) {
        stepTo = utils::getId(mCurrentProgramSelector, IdentifierType::AMFM_FREQUENCY_KHZ);
    } else if (mCurrentProgramSelector.primaryId.type == IdentifierType::HD_STATION_ID_EXT) {
        stepTo = utils::getHdFrequency(mCurrentProgramSelector);
    } else {
        LOG(WARNING) << __func__ << ": can't step in anything else than AM/FM";
        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
                resultToInt(Result::NOT_SUPPORTED), "cannot step in anything else than AM/FM");
    }

    if (!mCurrentAmFmBandRange.has_value()) {
        LOG(ERROR) << __func__ << ": can't find current band";
        return ScopedAStatus::fromServiceSpecificErrorWithMessage(
                resultToInt(Result::INTERNAL_ERROR), "can't find current band");
    }

    if (directionUp) {
        stepTo += mCurrentAmFmBandRange->spacing;
    } else {
        stepTo -= mCurrentAmFmBandRange->spacing;
    }
    if (stepTo > mCurrentAmFmBandRange->upperBound) {
        stepTo = mCurrentAmFmBandRange->lowerBound;
    }
    if (stepTo < mCurrentAmFmBandRange->lowerBound) {
        stepTo = mCurrentAmFmBandRange->upperBound;
    }

    mIsTuneCompleted = false;
    std::shared_ptr<ITunerCallback> callback = mCallback;
    auto task = [this, stepTo, callback]() {
        ProgramInfo programInfo;
        {
            lock_guard<mutex> lk(mMutex);
            programInfo = tuneInternalLocked(utils::makeSelectorAmfm(stepTo));
        }
        handleProgramInfoUpdateRadioCallback(programInfo, callback);
    };
    auto cancelTask = [callback]() { callback->onTuneFailed(Result::CANCELED, {}); };
    mTuningThread->schedule(task, cancelTask, kStepDelayTimeMs);

    return ScopedAStatus::ok();
}

void BroadcastRadio::cancelLocked() {
    LOG(DEBUG) << __func__ << ": cancelling current tuning operations...";

    mTuningThread->cancelAll();
    if (mCurrentProgramSelector.primaryId.type != IdentifierType::INVALID) {
        mIsTuneCompleted = true;
    }
}

ScopedAStatus BroadcastRadio::cancel() {
    LOG(DEBUG) << __func__ << ": cancel pending tune, seek and step...";

    lock_guard<mutex> lk(mMutex);
    cancelLocked();

    return ScopedAStatus::ok();
}

void BroadcastRadio::startProgramListUpdatesLocked(const ProgramFilter& filter) {
    auto filterCb = [&filter, this](const VirtualProgram& program) {
        return utils::satisfies(filter, program.selector) &&
               isProgramInBand(program.selector, mCurrentAmFmBandRange,
                               isConfigFlagSetLocked(ConfigFlag::FORCE_ANALOG_FM),
                               isConfigFlagSetLocked(ConfigFlag::FORCE_ANALOG_AM));
    };

    cancelProgramListUpdateLocked();

    const auto& list = mVirtualRadio.getProgramList();
    vector<VirtualProgram> filteredList;
    std::copy_if(list.begin(), list.end(), std::back_inserter(filteredList), filterCb);

    auto task = [this, filteredList]() {
        std::shared_ptr<ITunerCallback> callback;
        {
            lock_guard<mutex> lk(mMutex);
            if (mCallback == nullptr) {
                LOG(WARNING) << "Callback is null when updating program List";
                return;
            }
            callback = mCallback;
        }

        ProgramListChunk chunk = {};
        chunk.purge = true;
        chunk.complete = true;
        chunk.modified = vector<ProgramInfo>(filteredList.begin(), filteredList.end());

        callback->onProgramListUpdated(chunk);
    };
    mProgramListThread->schedule(task, kListDelayTimeS);
}

ScopedAStatus BroadcastRadio::startProgramListUpdates(const ProgramFilter& filter) {
    LOG(DEBUG) << __func__ << ": requested program list updates, filter = " << filter.toString()
               << "...";

    lock_guard<mutex> lk(mMutex);

    startProgramListUpdatesLocked(filter);

    return ScopedAStatus::ok();
}

void BroadcastRadio::cancelProgramListUpdateLocked() {
    LOG(DEBUG) << __func__ << ": cancelling current program list update operations...";
    mProgramListThread->cancelAll();
}

ScopedAStatus BroadcastRadio::stopProgramListUpdates() {
    LOG(DEBUG) << __func__ << ": requested program list updates to stop...";
    lock_guard<mutex> lk(mMutex);
    cancelProgramListUpdateLocked();
    return ScopedAStatus::ok();
}

bool BroadcastRadio::isConfigFlagSetLocked(ConfigFlag flag) const {
    int flagBit = static_cast<int>(flag);
    return ((mConfigFlagValues >> flagBit) & 1) == 1;
}

ScopedAStatus BroadcastRadio::isConfigFlagSet(ConfigFlag flag, bool* returnIsSet) {
    LOG(DEBUG) << __func__ << ": flag = " << toString(flag);

    if (flag == ConfigFlag::FORCE_ANALOG) {
        flag = ConfigFlag::FORCE_ANALOG_FM;
    }
    lock_guard<mutex> lk(mMutex);
    *returnIsSet = isConfigFlagSetLocked(flag);
    return ScopedAStatus::ok();
}

ScopedAStatus BroadcastRadio::setConfigFlag(ConfigFlag flag, bool value) {
    LOG(DEBUG) << __func__ << ": flag = " << toString(flag) << ", value = " << value;

    if (flag == ConfigFlag::FORCE_ANALOG) {
        flag = ConfigFlag::FORCE_ANALOG_FM;
    }
    int flagBitMask = 1 << (static_cast<int>(flag));
    lock_guard<mutex> lk(mMutex);
    if (value) {
        mConfigFlagValues |= flagBitMask;
    } else {
        mConfigFlagValues &= ~flagBitMask;
    }
    if (flag == ConfigFlag::FORCE_ANALOG_AM || flag == ConfigFlag::FORCE_ANALOG_FM) {
        startProgramListUpdatesLocked({});
    }
    return ScopedAStatus::ok();
}

ScopedAStatus BroadcastRadio::setParameters(
        [[maybe_unused]] const vector<VendorKeyValue>& parameters,
        vector<VendorKeyValue>* returnParameters) {
    // TODO(b/243682330) Support vendor parameter functionality
    *returnParameters = {};
    return ScopedAStatus::ok();
}

ScopedAStatus BroadcastRadio::getParameters([[maybe_unused]] const vector<string>& keys,
                                            vector<VendorKeyValue>* returnParameters) {
    // TODO(b/243682330) Support vendor parameter functionality
    *returnParameters = {};
    return ScopedAStatus::ok();
}

bool BroadcastRadio::adjustAmFmRangeLocked() {
    bool hasBandBefore = mCurrentAmFmBandRange.has_value();
    if (!utils::hasAmFmFrequency(mCurrentProgramSelector)) {
        LOG(WARNING) << __func__ << ": current program does not has AMFM_FREQUENCY_KHZ identifier";
        mCurrentAmFmBandRange.reset();
        return hasBandBefore;
    }

    int32_t freq = static_cast<int32_t>(utils::getAmFmFrequency(mCurrentProgramSelector));
    for (const auto& range : mAmFmConfig.ranges) {
        if (range.lowerBound <= freq && range.upperBound >= freq) {
            bool isBandChanged = hasBandBefore ? *mCurrentAmFmBandRange != range : true;
            mCurrentAmFmBandRange = range;
            return isBandChanged;
        }
    }

    mCurrentAmFmBandRange.reset();
    return !hasBandBefore;
}

void BroadcastRadio::updateCurrentProgramInfoWithAlert(std::optional<Alert>& alert) {
    std::shared_ptr<ITunerCallback> callback;
    ProgramInfo currentProgramInfo;
    {
        lock_guard<mutex> lk(mMutex);
        if (mCallback == nullptr) {
            return;
        }
        if (mCurrentProgramInfo.selector.primaryId.type == IdentifierType::INVALID) {
            return;
        }
        callback = mCallback;
        currentProgramInfo = mCurrentProgramInfo;
    }
    currentProgramInfo.emergencyAlert = alert.value();
    callback->onCurrentProgramInfoChanged(currentProgramInfo);
}

ScopedAStatus BroadcastRadio::registerAnnouncementListener(
        [[maybe_unused]] const std::shared_ptr<IAnnouncementListener>& listener,
        const vector<AnnouncementType>& enabled, std::shared_ptr<ICloseHandle>* returnCloseHandle) {
    LOG(DEBUG) << __func__ << ": registering announcement listener for "
               << utils::vectorToString(enabled);

    // TODO(b/243683842) Support announcement listener
    *returnCloseHandle = nullptr;
    LOG(INFO) << __func__ << ": registering announcementListener is not supported";
    return ScopedAStatus::fromServiceSpecificErrorWithMessage(
            resultToInt(Result::NOT_SUPPORTED),
            "registering announcementListener is not supported");
}

binder_status_t BroadcastRadio::dump(int fd, const char** args, uint32_t numArgs) {
    if (numArgs == 0) {
        return dumpsys(fd);
    }

    string option = string(args[0]);
    if (EqualsIgnoreCase(option, "--help")) {
        return cmdHelp(fd);
    } else if (EqualsIgnoreCase(option, "--tune")) {
        return cmdTune(fd, args, numArgs);
    } else if (EqualsIgnoreCase(option, "--seek")) {
        return cmdSeek(fd, args, numArgs);
    } else if (EqualsIgnoreCase(option, "--step")) {
        return cmdStep(fd, args, numArgs);
    } else if (EqualsIgnoreCase(option, "--cancel")) {
        return cmdCancel(fd, numArgs);
    } else if (EqualsIgnoreCase(option, "--startProgramListUpdates")) {
        return cmdStartProgramListUpdates(fd, args, numArgs);
    } else if (EqualsIgnoreCase(option, "--stopProgramListUpdates")) {
        return cmdStopProgramListUpdates(fd, numArgs);
    } else if (EqualsIgnoreCase(option, "--simulateAlert")) {
        return cmdSimulateAlert(fd, args, numArgs);
    }
    dprintf(fd, "Invalid option: %s\n", option.c_str());
    return STATUS_BAD_VALUE;
}

binder_status_t BroadcastRadio::dumpsys(int fd) {
    if (!checkDumpCallerHasWritePermissions(fd)) {
        return STATUS_PERMISSION_DENIED;
    }
    lock_guard<mutex> lk(mMutex);
    dprintf(fd, "AmFmRegionConfig: %s\n", mAmFmConfig.toString().c_str());
    dprintf(fd, "Properties: %s \n", mProperties.toString().c_str());
    if (mIsTuneCompleted) {
        dprintf(fd, "Tune completed\n");
    } else {
        dprintf(fd, "Tune not completed\n");
    }
    if (mCallback == nullptr) {
        dprintf(fd, "No ITunerCallback registered\n");
    } else {
        dprintf(fd, "ITunerCallback registered\n");
    }
    dprintf(fd, "CurrentProgram: %s \n", mCurrentProgramSelector.toString().c_str());
    return STATUS_OK;
}

binder_status_t BroadcastRadio::cmdHelp(int fd) const {
    dprintf(fd, "Usage: \n\n");
    dprintf(fd, "[no args]: dumps focus listener / gain callback registered status\n");
    dprintf(fd, "--help: shows this help\n");
    dprintf(fd,
            "--tune amfm <FREQUENCY>: tunes amfm radio to frequency (in Hz) specified: "
            "frequency (int) \n"
            "--tune dab <SID> <ENSEMBLE>: tunes dab radio to sid and ensemble specified: "
            "sidExt (int), ensemble (int) \n");
    dprintf(fd,
            "--seek [up|down] <SKIP_SUB_CHANNEL>: seek with direction (up or down) and "
            "option whether skipping sub channel: "
            "skipSubChannel (string, should be either \"true\" or \"false\")\n");
    dprintf(fd, "--step [up|down]: step in direction (up or down) specified\n");
    dprintf(fd, "--cancel: cancel current pending tune, step, and seek\n");
    dprintf(fd,
            "--startProgramListUpdates <IDENTIFIER_TYPES> <IDENTIFIERS> <INCLUDE_CATEGORIES> "
            "<EXCLUDE_MODIFICATIONS>: start update program list with the filter specified: "
            "identifier types (string, in format <TYPE>,<TYPE>,...,<TYPE> or \"null\" (if empty), "
            "where TYPE is int), "
            "program identifiers (string, in format "
            "<TYPE>:<VALUE>,<TYPE>:<VALUE>,...,<TYPE>:<VALUE> or \"null\" (if empty), "
            "where TYPE is int and VALUE is long), "
            "includeCategories (string, should be either \"true\" or \"false\"), "
            "excludeModifications (string, should be either \"true\" or \"false\")\n");
    dprintf(fd, "--stopProgramListUpdates: stop current pending program list updates\n");
    dprintf(fd,
            "\t<TYPE>: it is int for identifier type. "
            "Please see broadcastradio/aidl/android/hardware/broadcastradio/IdentifierType.aidl "
            "for its definition.\n");
    dprintf(fd,
            "\t<VALUE>: it is long type for identifier value. "
            "Please see broadcastradio/aidl/android/hardware/broadcastradio/IdentifierType.aidl "
            "for its value.\n");
    dprintf(fd,
            "--simulateAlert <STATUS> <MESSAGE_TYPE> <CATEGORIES> <URGENCY> <SEVERITY> "
            "<CERTAINTY> <DESCRIPTION> <LANGUAGE> <AREAS>: simulate emergency alert on current "
            "program; if no arguments following \"--simulateAlert\", the default alert message"
            "is applied.\n");
    dprintf(fd, "\t<STATUS>: string representation of alert scope.\n");
    dprintf(fd, "\t<MESSAGE_TYPE>: string representation of alert message type.\n");
    dprintf(fd,
            "\t<CATEGORIES>: string representation of alert categories separated by "
            "\",\".\n");
    dprintf(fd, "\t<URGENCY>: string representation of alert urgency type.\n");
    dprintf(fd, "\t<SEVERITY>: string representation of alert severity type.\n");
    dprintf(fd, "\t<CERTAINTY>: string representation of alert certainty type.\n");
    dprintf(fd, "\t<DESCRIPTION>: description of alert message within quotation mark(\"\").\n");
    dprintf(fd, "\t<LANGUAGE>: language code of alert message, \"null\" if unspecified.\n");
    dprintf(fd,
            "\t<AREAS>: <TYPE>:<VALUE>_<TYPE>:<VALUE>_...+<TYPE>:<VALUE>_<TYPE>:<VALUE>_... "
            "which represents list of affected areas of the alert separated by \"|\". "
            "If no area, this field should be: |\n"
            "Each area may contains multiple entries separated by \";\" where "
            "<TYPE> can be either \"polygon\" or \"geocode\". If <TYPE> is polygon, <VALUE> is a "
            "series of coordinates of \"LATITUDE,LONGITUDE\" format separated by \",\"; if "
            "<TYPE> is geocode, <VALUE> is of \"VALUE_NAME,VALUE\" format.\n");
    dprintf(fd,
            "Example: --simulateAlert actual alert geo,transport future severe"
            " possible \"alert message for testing\" en-US geocode:SAME,006109_geocode:SAME,006209"
            "_polygon:-38.47,-120.14,38.34,-119.95,38.52,-119.74,38.62,-119.89,-38.47,-120.14"
            "+geocode:SAME,006009\n");

    return STATUS_OK;
}

binder_status_t BroadcastRadio::cmdTune(int fd, const char** args, uint32_t numArgs) {
    if (!checkDumpCallerHasWritePermissions(fd)) {
        return STATUS_PERMISSION_DENIED;
    }
    if (numArgs != 3 && numArgs != 4) {
        dprintf(fd,
                "Invalid number of arguments: please provide --tune amfm <FREQUENCY> "
                "or --tune dab <SID> <ENSEMBLE>\n");
        return STATUS_BAD_VALUE;
    }
    bool isDab = false;
    if (EqualsIgnoreCase(string(args[1]), "dab")) {
        isDab = true;
    } else if (!EqualsIgnoreCase(string(args[1]), "amfm")) {
        dprintf(fd, "Unknown radio type provided with tune: %s\n", args[1]);
        return STATUS_BAD_VALUE;
    }
    ProgramSelector sel = {};
    if (isDab) {
        if (numArgs != 5 && numArgs != 3) {
            dprintf(fd,
                    "Invalid number of arguments: please provide "
                    "--tune dab <SID> <ENSEMBLE> <FREQUENCY> or "
                    "--tune dab <SID>\n");
            return STATUS_BAD_VALUE;
        }
        int sid;
        if (!utils::parseArgInt(string(args[2]), &sid)) {
            dprintf(fd, "Non-integer sid provided with tune: %s\n", args[2]);
            return STATUS_BAD_VALUE;
        }
        if (numArgs == 3) {
            sel = utils::makeSelectorDab(sid);
        } else {
            int ensemble;
            if (!utils::parseArgInt(string(args[3]), &ensemble)) {
                dprintf(fd, "Non-integer ensemble provided with tune: %s\n", args[3]);
                return STATUS_BAD_VALUE;
            }
            int freq;
            if (!utils::parseArgInt(string(args[4]), &freq)) {
                dprintf(fd, "Non-integer frequency provided with tune: %s\n", args[4]);
                return STATUS_BAD_VALUE;
            }
            sel = utils::makeSelectorDab(sid, ensemble, freq);
        }
    } else {
        if (numArgs != 3) {
            dprintf(fd, "Invalid number of arguments: please provide --tune amfm <FREQUENCY>\n");
            return STATUS_BAD_VALUE;
        }
        int freq;
        if (!utils::parseArgInt(string(args[2]), &freq)) {
            dprintf(fd, "Non-integer frequency provided with tune: %s\n", args[2]);
            return STATUS_BAD_VALUE;
        }
        sel = utils::makeSelectorAmfm(freq);
    }

    auto tuneResult = tune(sel);
    if (!tuneResult.isOk()) {
        dprintf(fd, "Unable to tune %s radio to %s\n", args[1], sel.toString().c_str());
        return STATUS_BAD_VALUE;
    }
    dprintf(fd, "Tune %s radio to %s \n", args[1], sel.toString().c_str());
    return STATUS_OK;
}

binder_status_t BroadcastRadio::cmdSeek(int fd, const char** args, uint32_t numArgs) {
    if (!checkDumpCallerHasWritePermissions(fd)) {
        return STATUS_PERMISSION_DENIED;
    }
    if (numArgs != 3) {
        dprintf(fd,
                "Invalid number of arguments: please provide --seek <DIRECTION> "
                "<SKIP_SUB_CHANNEL>\n");
        return STATUS_BAD_VALUE;
    }
    string seekDirectionIn = string(args[1]);
    bool seekDirectionUp;
    if (!utils::parseArgDirection(seekDirectionIn, &seekDirectionUp)) {
        dprintf(fd, "Invalid direction (\"up\" or \"down\") provided with seek: %s\n",
                seekDirectionIn.c_str());
        return STATUS_BAD_VALUE;
    }
    string skipSubChannelIn = string(args[2]);
    bool skipSubChannel;
    if (!utils::parseArgBool(skipSubChannelIn, &skipSubChannel)) {
        dprintf(fd, "Invalid skipSubChannel (\"true\" or \"false\") provided with seek: %s\n",
                skipSubChannelIn.c_str());
        return STATUS_BAD_VALUE;
    }

    auto seekResult = seek(seekDirectionUp, skipSubChannel);
    if (!seekResult.isOk()) {
        dprintf(fd, "Unable to seek in %s direction\n", seekDirectionIn.c_str());
        return STATUS_BAD_VALUE;
    }
    dprintf(fd, "Seek in %s direction\n", seekDirectionIn.c_str());
    return STATUS_OK;
}

binder_status_t BroadcastRadio::cmdStep(int fd, const char** args, uint32_t numArgs) {
    if (!checkDumpCallerHasWritePermissions(fd)) {
        return STATUS_PERMISSION_DENIED;
    }
    if (numArgs != 2) {
        dprintf(fd, "Invalid number of arguments: please provide --step <DIRECTION>\n");
        return STATUS_BAD_VALUE;
    }
    string stepDirectionIn = string(args[1]);
    bool stepDirectionUp;
    if (!utils::parseArgDirection(stepDirectionIn, &stepDirectionUp)) {
        dprintf(fd, "Invalid direction (\"up\" or \"down\") provided with step: %s\n",
                stepDirectionIn.c_str());
        return STATUS_BAD_VALUE;
    }

    auto stepResult = step(stepDirectionUp);
    if (!stepResult.isOk()) {
        dprintf(fd, "Unable to step in %s direction\n", stepDirectionIn.c_str());
        return STATUS_BAD_VALUE;
    }
    dprintf(fd, "Step in %s direction\n", stepDirectionIn.c_str());
    return STATUS_OK;
}

binder_status_t BroadcastRadio::cmdCancel(int fd, uint32_t numArgs) {
    if (!checkDumpCallerHasWritePermissions(fd)) {
        return STATUS_PERMISSION_DENIED;
    }
    if (numArgs != 1) {
        dprintf(fd,
                "Invalid number of arguments: please provide --cancel "
                "only and no more arguments\n");
        return STATUS_BAD_VALUE;
    }

    auto cancelResult = cancel();
    if (!cancelResult.isOk()) {
        dprintf(fd, "Unable to cancel pending tune, seek, and step\n");
        return STATUS_BAD_VALUE;
    }
    dprintf(fd, "Canceled pending tune, seek, and step\n");
    return STATUS_OK;
}

binder_status_t BroadcastRadio::cmdStartProgramListUpdates(int fd, const char** args,
                                                           uint32_t numArgs) {
    if (!checkDumpCallerHasWritePermissions(fd)) {
        return STATUS_PERMISSION_DENIED;
    }
    if (numArgs != 5) {
        dprintf(fd,
                "Invalid number of arguments: please provide --startProgramListUpdates "
                "<IDENTIFIER_TYPES> <IDENTIFIERS> <INCLUDE_CATEGORIES> "
                "<EXCLUDE_MODIFICATIONS>\n");
        return STATUS_BAD_VALUE;
    }
    string filterTypesStr = string(args[1]);
    std::vector<IdentifierType> filterTypeList;
    if (!EqualsIgnoreCase(filterTypesStr, "null") &&
        !utils::parseArgIdentifierTypeArray(filterTypesStr, &filterTypeList)) {
        dprintf(fd,
                "Invalid identifier types provided with startProgramListUpdates: %s, "
                "should be: <TYPE>,<TYPE>,...,<TYPE>\n",
                filterTypesStr.c_str());
        return STATUS_BAD_VALUE;
    }
    string filtersStr = string(args[2]);
    std::vector<ProgramIdentifier> filterList;
    if (!EqualsIgnoreCase(filtersStr, "null") &&
        !utils::parseProgramIdentifierList(filtersStr, &filterList)) {
        dprintf(fd,
                "Invalid program identifiers provided with startProgramListUpdates: %s, "
                "should be: <TYPE>:<VALUE>,<TYPE>:<VALUE>,...,<TYPE>:<VALUE>\n",
                filtersStr.c_str());
        return STATUS_BAD_VALUE;
    }
    string includeCategoriesStr = string(args[3]);
    bool includeCategories;
    if (!utils::parseArgBool(includeCategoriesStr, &includeCategories)) {
        dprintf(fd,
                "Invalid includeCategories (\"true\" or \"false\") "
                "provided with startProgramListUpdates : %s\n",
                includeCategoriesStr.c_str());
        return STATUS_BAD_VALUE;
    }
    string excludeModificationsStr = string(args[4]);
    bool excludeModifications;
    if (!utils::parseArgBool(excludeModificationsStr, &excludeModifications)) {
        dprintf(fd,
                "Invalid excludeModifications(\"true\" or \"false\") "
                "provided with startProgramListUpdates : %s\n",
                excludeModificationsStr.c_str());
        return STATUS_BAD_VALUE;
    }
    ProgramFilter filter = {filterTypeList, filterList, includeCategories, excludeModifications};

    auto updateResult = startProgramListUpdates(filter);
    if (!updateResult.isOk()) {
        dprintf(fd, "Unable to start program list update for filter %s \n",
                filter.toString().c_str());
        return STATUS_BAD_VALUE;
    }
    dprintf(fd, "Start program list update for filter %s\n", filter.toString().c_str());
    return STATUS_OK;
}

binder_status_t BroadcastRadio::cmdStopProgramListUpdates(int fd, uint32_t numArgs) {
    if (!checkDumpCallerHasWritePermissions(fd)) {
        return STATUS_PERMISSION_DENIED;
    }
    if (numArgs != 1) {
        dprintf(fd,
                "Invalid number of arguments: please provide --stopProgramListUpdates "
                "only and no more arguments\n");
        return STATUS_BAD_VALUE;
    }

    auto stopResult = stopProgramListUpdates();
    if (!stopResult.isOk()) {
        dprintf(fd, "Unable to stop pending program list update\n");
        return STATUS_BAD_VALUE;
    }
    dprintf(fd, "Stop pending program list update\n");
    return STATUS_OK;
}

binder_status_t BroadcastRadio::cmdSimulateAlert(int fd, const char** args, uint32_t numArgs) {
    if (!checkDumpCallerHasWritePermissions(fd)) {
        return STATUS_PERMISSION_DENIED;
    }
    std::optional<Alert> alertOpt;
    if (numArgs == 1) {
        alertOpt.emplace(createSampleAlert());
        updateCurrentProgramInfoWithAlert(alertOpt);
        return STATUS_OK;
    }
    if (numArgs != 10) {
        dprintf(fd,
                "Invalid number of arguments: please provide --simulateAlert "
                "<STATUS> <MESSAGE_TYPE> <CATEGORIES> <URGENCY> "
                "<SEVERITY> <CERTAINTY> <DESCRIPTION> <LANGUAGE> <AREAS>, provided: %d\n",
                numArgs);
        return STATUS_BAD_VALUE;
    }
    Alert parsedAlert;
    if (!utils::parseAlertStatus(args[1], parsedAlert.status)) {
        dprintf(fd, "Unknown alert status type: %s\n", args[2]);
        return STATUS_BAD_VALUE;
    }
    if (!utils::parseAlertMessageType(args[2], parsedAlert.messageType)) {
        dprintf(fd, "Unknown alert message type: %s\n", args[3]);
        return STATUS_BAD_VALUE;
    }
    AlertInfo parsedAlertInfo;
    vector<string> categoryStrings = ::android::base::Split(args[3], ",");
    for (const auto& categoryString : categoryStrings) {
        AlertCategory category;
        if (!utils::parseAlertCategory(categoryString, category)) {
            dprintf(fd, "Unknown alert category type: %s\n", args[3]);
            return STATUS_BAD_VALUE;
        }
        parsedAlertInfo.categoryArray.push_back(category);
    }
    if (!utils::parseAlertUrgency(args[4], parsedAlertInfo.urgency)) {
        dprintf(fd, "Unknown alert urgency type: %s\n", args[4]);
        return STATUS_BAD_VALUE;
    }
    if (!utils::parseAlertSeverity(args[5], parsedAlertInfo.severity)) {
        dprintf(fd, "Unknown alert severity type: %s\n", args[5]);
        return STATUS_BAD_VALUE;
    }
    if (!utils::parseAlertCertainty(args[6], parsedAlertInfo.certainty)) {
        dprintf(fd, "Unknown alert certainty type: %s\n", args[6]);
        return STATUS_BAD_VALUE;
    }
    parsedAlertInfo.description = string(args[7]);
    string languageStr = string(args[8]);
    if (!EqualsIgnoreCase(languageStr, "null")) {
        parsedAlertInfo.language.emplace(languageStr);
    }
    string areaListString = string(args[9]);
    vector<AlertArea> areaList;
    if (!parseAreaListString(fd, areaListString, areaList)) {
        return STATUS_BAD_VALUE;
    }
    parsedAlertInfo.areas = areaList;
    parsedAlert.infoArray = {parsedAlertInfo};
    LOG(INFO) << "Simulate alert: " << parsedAlert.toString().c_str();
    alertOpt.emplace(parsedAlert);
    updateCurrentProgramInfoWithAlert(alertOpt);
    return STATUS_OK;
}

}  // namespace aidl::android::hardware::broadcastradio