/*
 * Copyright (C) 2006 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.
 */

package com.android.internal.telephony;

import static com.android.internal.telephony.RILConstants.*;
import static com.android.internal.util.Preconditions.checkNotNull;

import android.content.Context;
import android.hardware.radio.V1_0.Carrier;
import android.hardware.radio.V1_0.CarrierRestrictions;
import android.hardware.radio.V1_0.CdmaBroadcastSmsConfigInfo;
import android.hardware.radio.V1_0.CdmaSmsAck;
import android.hardware.radio.V1_0.CdmaSmsMessage;
import android.hardware.radio.V1_0.CdmaSmsWriteArgs;
import android.hardware.radio.V1_0.CellInfoCdma;
import android.hardware.radio.V1_0.CellInfoGsm;
import android.hardware.radio.V1_0.CellInfoLte;
import android.hardware.radio.V1_0.CellInfoType;
import android.hardware.radio.V1_0.CellInfoWcdma;
import android.hardware.radio.V1_0.DataProfileInfo;
import android.hardware.radio.V1_0.Dial;
import android.hardware.radio.V1_0.GsmBroadcastSmsConfigInfo;
import android.hardware.radio.V1_0.GsmSmsMessage;
import android.hardware.radio.V1_0.HardwareConfigModem;
import android.hardware.radio.V1_0.IRadio;
import android.hardware.radio.V1_0.IccIo;
import android.hardware.radio.V1_0.ImsSmsMessage;
import android.hardware.radio.V1_0.IndicationFilter;
import android.hardware.radio.V1_0.LceDataInfo;
import android.hardware.radio.V1_0.MvnoType;
import android.hardware.radio.V1_0.NvWriteItem;
import android.hardware.radio.V1_0.RadioError;
import android.hardware.radio.V1_0.RadioIndicationType;
import android.hardware.radio.V1_0.RadioResponseInfo;
import android.hardware.radio.V1_0.RadioResponseType;
import android.hardware.radio.V1_0.ResetNvType;
import android.hardware.radio.V1_0.SelectUiccSub;
import android.hardware.radio.V1_0.SimApdu;
import android.hardware.radio.V1_0.SmsWriteArgs;
import android.hardware.radio.V1_0.UusInfo;
import android.hardware.radio.V1_2.AccessNetwork;
import android.hardware.radio.deprecated.V1_0.IOemHook;
import android.net.ConnectivityManager;
import android.net.KeepalivePacketData;
import android.net.LinkProperties;
import android.os.AsyncResult;
import android.os.Build;
import android.os.Handler;
import android.os.HwBinder;
import android.os.Message;
import android.os.Parcel;
import android.os.PowerManager;
import android.os.PowerManager.WakeLock;
import android.os.RemoteException;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.os.WorkSource;
import android.service.carrier.CarrierIdentifier;
import android.telephony.AccessNetworkConstants.AccessNetworkType;
import android.telephony.CellIdentity;
import android.telephony.CellIdentityCdma;
import android.telephony.CellInfo;
import android.telephony.CellSignalStrengthCdma;
import android.telephony.ClientRequestStats;
import android.telephony.ImsiEncryptionInfo;
import android.telephony.ModemActivityInfo;
import android.telephony.NeighboringCellInfo;
import android.telephony.NetworkScanRequest;
import android.telephony.PhoneNumberUtils;
import android.telephony.RadioAccessFamily;
import android.telephony.RadioAccessSpecifier;
import android.telephony.Rlog;
import android.telephony.ServiceState;
import android.telephony.SignalStrength;
import android.telephony.SmsManager;
import android.telephony.TelephonyHistogram;
import android.telephony.TelephonyManager;
import android.telephony.data.DataProfile;
import android.telephony.data.DataService;
import android.text.TextUtils;
import android.util.Log;
import android.util.SparseArray;

import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.telephony.cat.ComprehensionTlv;
import com.android.internal.telephony.cat.ComprehensionTlvTag;
import com.android.internal.telephony.cdma.CdmaInformationRecords;
import com.android.internal.telephony.cdma.CdmaSmsBroadcastConfigInfo;
import com.android.internal.telephony.gsm.SmsBroadcastConfigInfo;
import com.android.internal.telephony.metrics.TelephonyMetrics;
import com.android.internal.telephony.nano.TelephonyProto.SmsSession;
import com.android.internal.telephony.uicc.IccUtils;

import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.Inet4Address;
import java.net.Inet6Address;
import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;

/**
 * RIL implementation of the CommandsInterface.
 *
 * {@hide}
 */
public class RIL extends BaseCommands implements CommandsInterface {
    static final String RILJ_LOG_TAG = "RILJ";
    static final String RILJ_WAKELOCK_TAG = "*telephony-radio*";
    // Have a separate wakelock instance for Ack
    static final String RILJ_ACK_WAKELOCK_NAME = "RILJ_ACK_WL";
    static final boolean RILJ_LOGD = true;
    static final boolean RILJ_LOGV = false; // STOPSHIP if true
    static final int RIL_HISTOGRAM_BUCKET_COUNT = 5;

    /**
     * Wake lock timeout should be longer than the longest timeout in
     * the vendor ril.
     */
    private static final int DEFAULT_WAKE_LOCK_TIMEOUT_MS = 60000;

    // Wake lock default timeout associated with ack
    private static final int DEFAULT_ACK_WAKE_LOCK_TIMEOUT_MS = 200;

    private static final int DEFAULT_BLOCKING_MESSAGE_RESPONSE_TIMEOUT_MS = 2000;

    // Variables used to differentiate ack messages from request while calling clearWakeLock()
    public static final int INVALID_WAKELOCK = -1;
    public static final int FOR_WAKELOCK = 0;
    public static final int FOR_ACK_WAKELOCK = 1;
    private final ClientWakelockTracker mClientWakelockTracker = new ClientWakelockTracker();

    //***** Instance Variables

    final WakeLock mWakeLock;           // Wake lock associated with request/response
    final WakeLock mAckWakeLock;        // Wake lock associated with ack sent
    final int mWakeLockTimeout;         // Timeout associated with request/response
    final int mAckWakeLockTimeout;      // Timeout associated with ack sent
    // The number of wakelock requests currently active.  Don't release the lock
    // until dec'd to 0
    int mWakeLockCount;

    // Variables used to identify releasing of WL on wakelock timeouts
    volatile int mWlSequenceNum = 0;
    volatile int mAckWlSequenceNum = 0;

    SparseArray<RILRequest> mRequestList = new SparseArray<RILRequest>();
    static SparseArray<TelephonyHistogram> mRilTimeHistograms = new
            SparseArray<TelephonyHistogram>();

    Object[]     mLastNITZTimeInfo;

    // When we are testing emergency calls
    AtomicBoolean mTestingEmergencyCall = new AtomicBoolean(false);

    final Integer mPhoneId;

    /* default work source which will blame phone process */
    private WorkSource mRILDefaultWorkSource;

    /* Worksource containing all applications causing wakelock to be held */
    private WorkSource mActiveWakelockWorkSource;

    /** Telephony metrics instance for logging metrics event */
    private TelephonyMetrics mMetrics = TelephonyMetrics.getInstance();

    boolean mIsMobileNetworkSupported;
    RadioResponse mRadioResponse;
    RadioIndication mRadioIndication;
    volatile IRadio mRadioProxy = null;
    OemHookResponse mOemHookResponse;
    OemHookIndication mOemHookIndication;
    volatile IOemHook mOemHookProxy = null;
    final AtomicLong mRadioProxyCookie = new AtomicLong(0);
    final RadioProxyDeathRecipient mRadioProxyDeathRecipient;
    final RilHandler mRilHandler;

    //***** Events
    static final int EVENT_WAKE_LOCK_TIMEOUT    = 2;
    static final int EVENT_ACK_WAKE_LOCK_TIMEOUT    = 4;
    static final int EVENT_BLOCKING_RESPONSE_TIMEOUT = 5;
    static final int EVENT_RADIO_PROXY_DEAD     = 6;

    //***** Constants

    static final String[] HIDL_SERVICE_NAME = {"slot1", "slot2", "slot3"};

    static final int IRADIO_GET_SERVICE_DELAY_MILLIS = 4 * 1000;

    static final String EMPTY_ALPHA_LONG = "";
    static final String EMPTY_ALPHA_SHORT = "";

    public static List<TelephonyHistogram> getTelephonyRILTimingHistograms() {
        List<TelephonyHistogram> list;
        synchronized (mRilTimeHistograms) {
            list = new ArrayList<>(mRilTimeHistograms.size());
            for (int i = 0; i < mRilTimeHistograms.size(); i++) {
                TelephonyHistogram entry = new TelephonyHistogram(mRilTimeHistograms.valueAt(i));
                list.add(entry);
            }
        }
        return list;
    }

    /** The handler used to handle the internal event of RIL. */
    @VisibleForTesting
    public class RilHandler extends Handler {

        //***** Handler implementation
        @Override
        public void handleMessage(Message msg) {
            RILRequest rr;

            switch (msg.what) {
                case EVENT_WAKE_LOCK_TIMEOUT:
                    // Haven't heard back from the last request.  Assume we're
                    // not getting a response and  release the wake lock.

                    // The timer of WAKE_LOCK_TIMEOUT is reset with each
                    // new send request. So when WAKE_LOCK_TIMEOUT occurs
                    // all requests in mRequestList already waited at
                    // least DEFAULT_WAKE_LOCK_TIMEOUT_MS but no response.
                    //
                    // Note: Keep mRequestList so that delayed response
                    // can still be handled when response finally comes.

                    synchronized (mRequestList) {
                        if (msg.arg1 == mWlSequenceNum && clearWakeLock(FOR_WAKELOCK)) {
                            if (RILJ_LOGD) {
                                int count = mRequestList.size();
                                Rlog.d(RILJ_LOG_TAG, "WAKE_LOCK_TIMEOUT " +
                                        " mRequestList=" + count);
                                for (int i = 0; i < count; i++) {
                                    rr = mRequestList.valueAt(i);
                                    Rlog.d(RILJ_LOG_TAG, i + ": [" + rr.mSerial + "] "
                                            + requestToString(rr.mRequest));
                                }
                            }
                        }
                    }
                    break;

                case EVENT_ACK_WAKE_LOCK_TIMEOUT:
                    if (msg.arg1 == mAckWlSequenceNum && clearWakeLock(FOR_ACK_WAKELOCK)) {
                        if (RILJ_LOGV) {
                            Rlog.d(RILJ_LOG_TAG, "ACK_WAKE_LOCK_TIMEOUT");
                        }
                    }
                    break;

                case EVENT_BLOCKING_RESPONSE_TIMEOUT:
                    int serial = msg.arg1;
                    rr = findAndRemoveRequestFromList(serial);
                    // If the request has already been processed, do nothing
                    if(rr == null) {
                        break;
                    }

                    //build a response if expected
                    if (rr.mResult != null) {
                        Object timeoutResponse = getResponseForTimedOutRILRequest(rr);
                        AsyncResult.forMessage( rr.mResult, timeoutResponse, null);
                        rr.mResult.sendToTarget();
                        mMetrics.writeOnRilTimeoutResponse(mPhoneId, rr.mSerial, rr.mRequest);
                    }

                    decrementWakeLock(rr);
                    rr.release();
                    break;

                case EVENT_RADIO_PROXY_DEAD:
                    riljLog("handleMessage: EVENT_RADIO_PROXY_DEAD cookie = " + msg.obj +
                            " mRadioProxyCookie = " + mRadioProxyCookie.get());
                    if ((long) msg.obj == mRadioProxyCookie.get()) {
                        resetProxyAndRequestList();

                        // todo: rild should be back up since message was sent with a delay. this is
                        // a hack.
                        getRadioProxy(null);
                        getOemHookProxy(null);
                    }
                    break;
            }
        }
    }

    /**
     * In order to prevent calls to Telephony from waiting indefinitely
     * low-latency blocking calls will eventually time out. In the event of
     * a timeout, this function generates a response that is returned to the
     * higher layers to unblock the call. This is in lieu of a meaningful
     * response.
     * @param rr The RIL Request that has timed out.
     * @return A default object, such as the one generated by a normal response
     * that is returned to the higher layers.
     **/
    private static Object getResponseForTimedOutRILRequest(RILRequest rr) {
        if (rr == null ) return null;

        Object timeoutResponse = null;
        switch(rr.mRequest) {
            case RIL_REQUEST_GET_ACTIVITY_INFO:
                timeoutResponse = new ModemActivityInfo(
                        0, 0, 0, new int [ModemActivityInfo.TX_POWER_LEVELS], 0, 0);
                break;
        };
        return timeoutResponse;
    }

    final class RadioProxyDeathRecipient implements HwBinder.DeathRecipient {
        @Override
        public void serviceDied(long cookie) {
            // Deal with service going away
            riljLog("serviceDied");
            mRilHandler.sendMessage(mRilHandler.obtainMessage(EVENT_RADIO_PROXY_DEAD, cookie));
        }
    }

    private void resetProxyAndRequestList() {
        mRadioProxy = null;
        mOemHookProxy = null;

        // increment the cookie so that death notification can be ignored
        mRadioProxyCookie.incrementAndGet();

        setRadioState(RadioState.RADIO_UNAVAILABLE);

        RILRequest.resetSerial();
        // Clear request list on close
        clearRequestList(RADIO_NOT_AVAILABLE, false);

        getRadioProxy(null);
    }

    /** Returns a {@link IRadio} instance or null if the service is not available. */
    @VisibleForTesting
    public IRadio getRadioProxy(Message result) {
        if (!mIsMobileNetworkSupported) {
            if (RILJ_LOGV) riljLog("getRadioProxy: Not calling getService(): wifi-only");
            if (result != null) {
                AsyncResult.forMessage(result, null,
                        CommandException.fromRilErrno(RADIO_NOT_AVAILABLE));
                result.sendToTarget();
            }
            return null;
        }

        if (mRadioProxy != null) {
            return mRadioProxy;
        }

        try {
            mRadioProxy = IRadio.getService(HIDL_SERVICE_NAME[mPhoneId == null ? 0 : mPhoneId],
                    true);
            if (mRadioProxy != null) {
                mRadioProxy.linkToDeath(mRadioProxyDeathRecipient,
                        mRadioProxyCookie.incrementAndGet());
                mRadioProxy.setResponseFunctions(mRadioResponse, mRadioIndication);
            } else {
                riljLoge("getRadioProxy: mRadioProxy == null");
            }
        } catch (RemoteException | RuntimeException e) {
            mRadioProxy = null;
            riljLoge("RadioProxy getService/setResponseFunctions: " + e);
        }

        if (mRadioProxy == null) {
            // getService() is a blocking call, so this should never happen
            riljLoge("getRadioProxy: mRadioProxy == null");
            if (result != null) {
                AsyncResult.forMessage(result, null,
                        CommandException.fromRilErrno(RADIO_NOT_AVAILABLE));
                result.sendToTarget();
            }
        }

        return mRadioProxy;
    }

    /** Returns an {@link IOemHook} instance or null if the service is not available. */
    @VisibleForTesting
    public IOemHook getOemHookProxy(Message result) {
        if (!mIsMobileNetworkSupported) {
            if (RILJ_LOGV) riljLog("getOemHookProxy: Not calling getService(): wifi-only");
            if (result != null) {
                AsyncResult.forMessage(result, null,
                        CommandException.fromRilErrno(RADIO_NOT_AVAILABLE));
                result.sendToTarget();
            }
            return null;
        }

        if (mOemHookProxy != null) {
            return mOemHookProxy;
        }

        try {
            mOemHookProxy = IOemHook.getService(
                    HIDL_SERVICE_NAME[mPhoneId == null ? 0 : mPhoneId]);
            if (mOemHookProxy != null) {
                // not calling linkToDeath() as ril service runs in the same process and death
                // notification for that should be sufficient
                mOemHookProxy.setResponseFunctions(mOemHookResponse, mOemHookIndication);
            } else {
                riljLoge("getOemHookProxy: mOemHookProxy == null");
            }
        } catch (RemoteException | RuntimeException e) {
            mOemHookProxy = null;
            riljLoge("OemHookProxy getService/setResponseFunctions: " + e);
        }

        if (mOemHookProxy == null) {
            if (result != null) {
                AsyncResult.forMessage(result, null,
                        CommandException.fromRilErrno(RADIO_NOT_AVAILABLE));
                result.sendToTarget();
            }

            // if service is not up, treat it like death notification to try to get service again
            mRilHandler.sendMessageDelayed(
                    mRilHandler.obtainMessage(EVENT_RADIO_PROXY_DEAD,
                            mRadioProxyCookie.incrementAndGet()),
                    IRADIO_GET_SERVICE_DELAY_MILLIS);
        }

        return mOemHookProxy;
    }

    //***** Constructors

    public RIL(Context context, int preferredNetworkType, int cdmaSubscription) {
        this(context, preferredNetworkType, cdmaSubscription, null);
    }

    public RIL(Context context, int preferredNetworkType,
            int cdmaSubscription, Integer instanceId) {
        super(context);
        if (RILJ_LOGD) {
            riljLog("RIL: init preferredNetworkType=" + preferredNetworkType
                    + " cdmaSubscription=" + cdmaSubscription + ")");
        }

        mContext = context;
        mCdmaSubscription  = cdmaSubscription;
        mPreferredNetworkType = preferredNetworkType;
        mPhoneType = RILConstants.NO_PHONE;
        mPhoneId = instanceId;

        ConnectivityManager cm = (ConnectivityManager)context.getSystemService(
                Context.CONNECTIVITY_SERVICE);
        mIsMobileNetworkSupported = cm.isNetworkSupported(ConnectivityManager.TYPE_MOBILE);

        mRadioResponse = new RadioResponse(this);
        mRadioIndication = new RadioIndication(this);
        mOemHookResponse = new OemHookResponse(this);
        mOemHookIndication = new OemHookIndication(this);
        mRilHandler = new RilHandler();
        mRadioProxyDeathRecipient = new RadioProxyDeathRecipient();

        PowerManager pm = (PowerManager)context.getSystemService(Context.POWER_SERVICE);
        mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, RILJ_WAKELOCK_TAG);
        mWakeLock.setReferenceCounted(false);
        mAckWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, RILJ_ACK_WAKELOCK_NAME);
        mAckWakeLock.setReferenceCounted(false);
        mWakeLockTimeout = SystemProperties.getInt(TelephonyProperties.PROPERTY_WAKE_LOCK_TIMEOUT,
                DEFAULT_WAKE_LOCK_TIMEOUT_MS);
        mAckWakeLockTimeout = SystemProperties.getInt(
                TelephonyProperties.PROPERTY_WAKE_LOCK_TIMEOUT, DEFAULT_ACK_WAKE_LOCK_TIMEOUT_MS);
        mWakeLockCount = 0;
        mRILDefaultWorkSource = new WorkSource(context.getApplicationInfo().uid,
                context.getPackageName());

        TelephonyDevController tdc = TelephonyDevController.getInstance();
        tdc.registerRIL(this);

        // set radio callback; needed to set RadioIndication callback (should be done after
        // wakelock stuff is initialized above as callbacks are received on separate binder threads)
        getRadioProxy(null);
        getOemHookProxy(null);
    }

    @Override
    public void setOnNITZTime(Handler h, int what, Object obj) {
        super.setOnNITZTime(h, what, obj);

        // Send the last NITZ time if we have it
        if (mLastNITZTimeInfo != null) {
            mNITZTimeRegistrant
                .notifyRegistrant(
                    new AsyncResult (null, mLastNITZTimeInfo, null));
        }
    }

    private void addRequest(RILRequest rr) {
        acquireWakeLock(rr, FOR_WAKELOCK);
        synchronized (mRequestList) {
            rr.mStartTimeMs = SystemClock.elapsedRealtime();
            mRequestList.append(rr.mSerial, rr);
        }
    }

    private RILRequest obtainRequest(int request, Message result, WorkSource workSource) {
        RILRequest rr = RILRequest.obtain(request, result, workSource);
        addRequest(rr);
        return rr;
    }

    private void handleRadioProxyExceptionForRR(RILRequest rr, String caller, Exception e) {
        riljLoge(caller + ": " + e);
        resetProxyAndRequestList();
    }

    private String convertNullToEmptyString(String string) {
        return string != null ? string : "";
    }

    @Override
    public void getIccCardStatus(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_SIM_STATUS, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getIccCardStatus(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getIccCardStatus", e);
            }
        }
    }

    @Override
    public void getIccSlotsStatus(Message result) {
        if (result != null) {
            AsyncResult.forMessage(result, null,
                    CommandException.fromRilErrno(REQUEST_NOT_SUPPORTED));
            result.sendToTarget();
        }
    }

    @Override
    public void setLogicalToPhysicalSlotMapping(int[] physicalSlots, Message result) {
        if (result != null) {
            AsyncResult.forMessage(result, null,
                    CommandException.fromRilErrno(REQUEST_NOT_SUPPORTED));
            result.sendToTarget();
        }
    }

    @Override
    public void supplyIccPin(String pin, Message result) {
        supplyIccPinForApp(pin, null, result);
    }

    @Override
    public void supplyIccPinForApp(String pin, String aid, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_ENTER_SIM_PIN, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " aid = " + aid);
            }

            try {
                radioProxy.supplyIccPinForApp(rr.mSerial,
                        convertNullToEmptyString(pin),
                        convertNullToEmptyString(aid));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "supplyIccPinForApp", e);
            }
        }
    }

    @Override
    public void supplyIccPuk(String puk, String newPin, Message result) {
        supplyIccPukForApp(puk, newPin, null, result);
    }

    @Override
    public void supplyIccPukForApp(String puk, String newPin, String aid, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_ENTER_SIM_PUK, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " aid = " + aid);
            }

            try {
                radioProxy.supplyIccPukForApp(rr.mSerial,
                        convertNullToEmptyString(puk),
                        convertNullToEmptyString(newPin),
                        convertNullToEmptyString(aid));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "supplyIccPukForApp", e);
            }
        }
    }

    @Override
    public void supplyIccPin2(String pin, Message result) {
        supplyIccPin2ForApp(pin, null, result);
    }

    @Override
    public void supplyIccPin2ForApp(String pin, String aid, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_ENTER_SIM_PIN2, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " aid = " + aid);
            }

            try {
                radioProxy.supplyIccPin2ForApp(rr.mSerial,
                        convertNullToEmptyString(pin),
                        convertNullToEmptyString(aid));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "supplyIccPin2ForApp", e);
            }
        }
    }

    @Override
    public void supplyIccPuk2(String puk2, String newPin2, Message result) {
        supplyIccPuk2ForApp(puk2, newPin2, null, result);
    }

    @Override
    public void supplyIccPuk2ForApp(String puk, String newPin2, String aid, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_ENTER_SIM_PUK2, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " aid = " + aid);
            }

            try {
                radioProxy.supplyIccPuk2ForApp(rr.mSerial,
                        convertNullToEmptyString(puk),
                        convertNullToEmptyString(newPin2),
                        convertNullToEmptyString(aid));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "supplyIccPuk2ForApp", e);
            }
        }
    }

    @Override
    public void changeIccPin(String oldPin, String newPin, Message result) {
        changeIccPinForApp(oldPin, newPin, null, result);
    }

    @Override
    public void changeIccPinForApp(String oldPin, String newPin, String aid, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CHANGE_SIM_PIN, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " oldPin = "
                        + oldPin + " newPin = " + newPin + " aid = " + aid);
            }

            try {
                radioProxy.changeIccPinForApp(rr.mSerial,
                        convertNullToEmptyString(oldPin),
                        convertNullToEmptyString(newPin),
                        convertNullToEmptyString(aid));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "changeIccPinForApp", e);
            }
        }
    }

    @Override
    public void changeIccPin2(String oldPin2, String newPin2, Message result) {
        changeIccPin2ForApp(oldPin2, newPin2, null, result);
    }

    @Override
    public void changeIccPin2ForApp(String oldPin2, String newPin2, String aid, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CHANGE_SIM_PIN2, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " oldPin = "
                        + oldPin2 + " newPin = " + newPin2 + " aid = " + aid);
            }

            try {
                radioProxy.changeIccPin2ForApp(rr.mSerial,
                        convertNullToEmptyString(oldPin2),
                        convertNullToEmptyString(newPin2),
                        convertNullToEmptyString(aid));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "changeIccPin2ForApp", e);
            }
        }
    }

    @Override
    public void supplyNetworkDepersonalization(String netpin, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_ENTER_NETWORK_DEPERSONALIZATION, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " netpin = "
                        + netpin);
            }

            try {
                radioProxy.supplyNetworkDepersonalization(rr.mSerial,
                        convertNullToEmptyString(netpin));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "supplyNetworkDepersonalization", e);
            }
        }
    }

    @Override
    public void getCurrentCalls(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_CURRENT_CALLS, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.getCurrentCalls(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getCurrentCalls", e);
            }
        }
    }

    @Override
    public void dial(String address, int clirMode, Message result) {
        dial(address, clirMode, null, result);
    }

    @Override
    public void dial(String address, int clirMode, UUSInfo uusInfo, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_DIAL, result,
                    mRILDefaultWorkSource);

            Dial dialInfo = new Dial();
            dialInfo.address = convertNullToEmptyString(address);
            dialInfo.clir = clirMode;
            if (uusInfo != null) {
                UusInfo info = new UusInfo();
                info.uusType = uusInfo.getType();
                info.uusDcs = uusInfo.getDcs();
                info.uusData = new String(uusInfo.getUserData());
                dialInfo.uusInfo.add(info);
            }

            if (RILJ_LOGD) {
                // Do not log function arg for privacy
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.dial(rr.mSerial, dialInfo);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "dial", e);
            }
        }
    }

    @Override
    public void getIMSI(Message result) {
        getIMSIForApp(null, result);
    }

    @Override
    public void getIMSIForApp(String aid, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_IMSI, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString()
                        + ">  " + requestToString(rr.mRequest) + " aid = " + aid);
            }
            try {
                radioProxy.getImsiForApp(rr.mSerial, convertNullToEmptyString(aid));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getIMSIForApp", e);
            }
        }
    }

    @Override
    public void hangupConnection(int gsmIndex, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_HANGUP, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " gsmIndex = "
                        + gsmIndex);
            }

            try {
                radioProxy.hangup(rr.mSerial, gsmIndex);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "hangupConnection", e);
            }
        }
    }

    @Override
    public void hangupWaitingOrBackground(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_HANGUP_WAITING_OR_BACKGROUND, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.hangupWaitingOrBackground(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "hangupWaitingOrBackground", e);
            }
        }
    }

    @Override
    public void hangupForegroundResumeBackground(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_HANGUP_FOREGROUND_RESUME_BACKGROUND, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.hangupForegroundResumeBackground(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "hangupForegroundResumeBackground", e);
            }
        }
    }

    @Override
    public void switchWaitingOrHoldingAndActive(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SWITCH_WAITING_OR_HOLDING_AND_ACTIVE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.switchWaitingOrHoldingAndActive(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "switchWaitingOrHoldingAndActive", e);
            }
        }
    }

    @Override
    public void conference(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CONFERENCE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.conference(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "conference", e);
            }
        }
    }

    @Override
    public void rejectCall(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_UDUB, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.rejectCall(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "rejectCall", e);
            }
        }
    }

    @Override
    public void getLastCallFailCause(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_LAST_CALL_FAIL_CAUSE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getLastCallFailCause(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getLastCallFailCause", e);
            }
        }
    }

    @Override
    public void getSignalStrength(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SIGNAL_STRENGTH, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getSignalStrength(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getSignalStrength", e);
            }
        }
    }

    @Override
    public void getVoiceRegistrationState(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_VOICE_REGISTRATION_STATE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getVoiceRegistrationState(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getVoiceRegistrationState", e);
            }
        }
    }

    @Override
    public void getDataRegistrationState(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_DATA_REGISTRATION_STATE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getDataRegistrationState(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getDataRegistrationState", e);
            }
        }
    }

    @Override
    public void getOperator(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_OPERATOR, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getOperator(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getOperator", e);
            }
        }
    }

    @Override
    public void setRadioPower(boolean on, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_RADIO_POWER, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " on = " + on);
            }

            try {
                radioProxy.setRadioPower(rr.mSerial, on);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setRadioPower", e);
            }
        }
    }

    @Override
    public void sendDtmf(char c, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_DTMF, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                // Do not log function arg for privacy
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.sendDtmf(rr.mSerial, c + "");
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendDtmf", e);
            }
        }
    }

    private GsmSmsMessage constructGsmSendSmsRilRequest(String smscPdu, String pdu) {
        GsmSmsMessage msg = new GsmSmsMessage();
        msg.smscPdu = smscPdu == null ? "" : smscPdu;
        msg.pdu = pdu == null ? "" : pdu;
        return msg;
    }

    @Override
    public void sendSMS(String smscPdu, String pdu, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SEND_SMS, result,
                    mRILDefaultWorkSource);

            // Do not log function args for privacy
            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            GsmSmsMessage msg = constructGsmSendSmsRilRequest(smscPdu, pdu);

            try {
                radioProxy.sendSms(rr.mSerial, msg);
                mMetrics.writeRilSendSms(mPhoneId, rr.mSerial, SmsSession.Event.Tech.SMS_GSM,
                        SmsSession.Event.Format.SMS_FORMAT_3GPP);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendSMS", e);
            }
        }
    }

    @Override
    public void sendSMSExpectMore(String smscPdu, String pdu, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SEND_SMS_EXPECT_MORE, result,
                    mRILDefaultWorkSource);

            // Do not log function arg for privacy
            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            GsmSmsMessage msg = constructGsmSendSmsRilRequest(smscPdu, pdu);

            try {
                radioProxy.sendSMSExpectMore(rr.mSerial, msg);
                mMetrics.writeRilSendSms(mPhoneId, rr.mSerial, SmsSession.Event.Tech.SMS_GSM,
                        SmsSession.Event.Format.SMS_FORMAT_3GPP);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendSMSExpectMore", e);
            }
        }
    }

    /**
     * Convert MVNO type string into MvnoType defined in types.hal.
     * @param mvnoType MVNO type
     * @return MVNO type in integer
     */
    private static int convertToHalMvnoType(String mvnoType) {
        switch (mvnoType) {
            case "imsi" : return MvnoType.IMSI;
            case "gid" : return MvnoType.GID;
            case "spn" : return MvnoType.SPN;
            default: return MvnoType.NONE;
        }
    }

    /**
     * Convert to DataProfileInfo defined in types.hal
     * @param dp Data profile
     * @return A converted data profile
     */
    private static DataProfileInfo convertToHalDataProfile(DataProfile dp) {
        DataProfileInfo dpi = new DataProfileInfo();

        dpi.profileId = dp.getProfileId();
        dpi.apn = dp.getApn();
        dpi.protocol = dp.getProtocol();
        dpi.roamingProtocol = dp.getRoamingProtocol();
        dpi.authType = dp.getAuthType();
        dpi.user = dp.getUserName();
        dpi.password = dp.getPassword();
        dpi.type = dp.getType();
        dpi.maxConnsTime = dp.getMaxConnsTime();
        dpi.maxConns = dp.getMaxConns();
        dpi.waitTime = dp.getWaitTime();
        dpi.enabled = dp.isEnabled();
        dpi.supportedApnTypesBitmap = dp.getSupportedApnTypesBitmap();
        dpi.bearerBitmap = dp.getBearerBitmap();
        dpi.mtu = dp.getMtu();
        dpi.mvnoType = convertToHalMvnoType(dp.getMvnoType());
        dpi.mvnoMatchData = dp.getMvnoMatchData();

        return dpi;
    }

    /**
     * Convert NV reset type into ResetNvType defined in types.hal.
     * @param resetType NV reset type.
     * @return Converted reset type in integer or -1 if param is invalid.
     */
    private static int convertToHalResetNvType(int resetType) {
        /**
         * resetType values
         * 1 - reload all NV items
         * 2 - erase NV reset (SCRTN)
         * 3 - factory reset (RTN)
         */
        switch (resetType) {
            case 1: return ResetNvType.RELOAD;
            case 2: return ResetNvType.ERASE;
            case 3: return ResetNvType.FACTORY_RESET;
        }
        return -1;
    }

    @Override
    public void setupDataCall(int accessNetworkType, DataProfile dataProfile, boolean isRoaming,
                              boolean allowRoaming, int reason, LinkProperties linkProperties,
                              Message result) {

        IRadio radioProxy = getRadioProxy(result);

        if (radioProxy != null) {

            RILRequest rr = obtainRequest(RIL_REQUEST_SETUP_DATA_CALL, result,
                    mRILDefaultWorkSource);

            // Convert to HAL data profile
            DataProfileInfo dpi = convertToHalDataProfile(dataProfile);

            android.hardware.radio.V1_2.IRadio radioProxy12 =
                    android.hardware.radio.V1_2.IRadio.castFrom(radioProxy);
            try {
                if (radioProxy12 == null) {
                    // IRadio V1.0
                    if (RILJ_LOGD) {
                        riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                                + ",radioTechnology=unknown,isRoaming=" + isRoaming
                                + ",allowRoaming=" + allowRoaming + "," + dataProfile);
                    }
                    // The RAT field in setup data call request was never used before. Starting from
                    // P, the new API passes in access network type instead of RAT. Since it's
                    // not possible to convert access network type back to RAT, but we still need to
                    // support the 1.0 API, we passed in unknown RAT to the modem. And modem must
                    // setup the data call on its current camped network.
                    radioProxy.setupDataCall(rr.mSerial, ServiceState.RIL_RADIO_TECHNOLOGY_UNKNOWN,
                            dpi, dataProfile.isModemCognitive(), allowRoaming, isRoaming);
                } else {
                    // IRadio V1.2
                    ArrayList<String> addresses = new ArrayList<>();
                    ArrayList<String> dnses = new ArrayList<>();
                    if (linkProperties != null) {
                        for (InetAddress address : linkProperties.getAddresses()) {
                            addresses.add(address.getHostAddress());
                        }
                        for (InetAddress dns : linkProperties.getDnsServers()) {
                            dnses.add(dns.getHostAddress());
                        }
                    }

                    if (RILJ_LOGD) {
                        riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                                + ",accessNetworkType=" + accessNetworkType + ",isRoaming="
                                + isRoaming + ",allowRoaming=" + allowRoaming + "," + dataProfile
                                + ",addresses=" + addresses + ",dnses=" + dnses);
                    }

                    radioProxy12.setupDataCall_1_2(rr.mSerial, accessNetworkType, dpi,
                            dataProfile.isModemCognitive(), allowRoaming, isRoaming, reason,
                            addresses, dnses);
                }
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setupDataCall", e);
            }
        }
    }

    @Override
    public void iccIO(int command, int fileId, String path, int p1, int p2, int p3,
                      String data, String pin2, Message result) {
        iccIOForApp(command, fileId, path, p1, p2, p3, data, pin2, null, result);
    }

    @Override
    public void iccIOForApp(int command, int fileId, String path, int p1, int p2, int p3,
                 String data, String pin2, String aid, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SIM_IO, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                if (Build.IS_DEBUGGABLE) {
                    riljLog(rr.serialString() + "> iccIO: "
                            + requestToString(rr.mRequest) + " command = 0x"
                            + Integer.toHexString(command) + " fileId = 0x"
                            + Integer.toHexString(fileId) + " path = " + path + " p1 = "
                            + p1 + " p2 = " + p2 + " p3 = " + " data = " + data
                            + " aid = " + aid);
                } else {
                    riljLog(rr.serialString() + "> iccIO: " + requestToString(rr.mRequest));
                }
            }

            IccIo iccIo = new IccIo();
            iccIo.command = command;
            iccIo.fileId = fileId;
            iccIo.path = convertNullToEmptyString(path);
            iccIo.p1 = p1;
            iccIo.p2 = p2;
            iccIo.p3 = p3;
            iccIo.data = convertNullToEmptyString(data);
            iccIo.pin2 = convertNullToEmptyString(pin2);
            iccIo.aid = convertNullToEmptyString(aid);

            try {
                radioProxy.iccIOForApp(rr.mSerial, iccIo);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "iccIOForApp", e);
            }
        }
    }

    @Override
    public void sendUSSD(String ussd, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SEND_USSD, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                String logUssd = "*******";
                if (RILJ_LOGV) logUssd = ussd;
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " ussd = " + logUssd);
            }

            try {
                radioProxy.sendUssd(rr.mSerial, convertNullToEmptyString(ussd));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendUSSD", e);
            }
        }
    }

    @Override
    public void cancelPendingUssd(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CANCEL_USSD, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString()
                        + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.cancelPendingUssd(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "cancelPendingUssd", e);
            }
        }
    }

    @Override
    public void getCLIR(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_CLIR, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getClir(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getCLIR", e);
            }
        }
    }

    @Override
    public void setCLIR(int clirMode, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_CLIR, result, mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " clirMode = " + clirMode);
            }

            try {
                radioProxy.setClir(rr.mSerial, clirMode);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setCLIR", e);
            }
        }
    }

    @Override
    public void queryCallForwardStatus(int cfReason, int serviceClass,
                           String number, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_QUERY_CALL_FORWARD_STATUS, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " cfreason = " + cfReason + " serviceClass = " + serviceClass);
            }

            android.hardware.radio.V1_0.CallForwardInfo cfInfo =
                    new android.hardware.radio.V1_0.CallForwardInfo();
            cfInfo.reason = cfReason;
            cfInfo.serviceClass = serviceClass;
            cfInfo.toa = PhoneNumberUtils.toaFromString(number);
            cfInfo.number = convertNullToEmptyString(number);
            cfInfo.timeSeconds = 0;

            try {
                radioProxy.getCallForwardStatus(rr.mSerial, cfInfo);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "queryCallForwardStatus", e);
            }
        }
    }

    @Override
    public void setCallForward(int action, int cfReason, int serviceClass,
                   String number, int timeSeconds, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_CALL_FORWARD, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " action = " + action + " cfReason = " + cfReason + " serviceClass = "
                        + serviceClass + " timeSeconds = " + timeSeconds);
            }

            android.hardware.radio.V1_0.CallForwardInfo cfInfo =
                    new android.hardware.radio.V1_0.CallForwardInfo();
            cfInfo.status = action;
            cfInfo.reason = cfReason;
            cfInfo.serviceClass = serviceClass;
            cfInfo.toa = PhoneNumberUtils.toaFromString(number);
            cfInfo.number = convertNullToEmptyString(number);
            cfInfo.timeSeconds = timeSeconds;

            try {
                radioProxy.setCallForward(rr.mSerial, cfInfo);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setCallForward", e);

            }
        }
    }

    @Override
    public void queryCallWaiting(int serviceClass, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_QUERY_CALL_WAITING, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " serviceClass = " + serviceClass);
            }

            try {
                radioProxy.getCallWaiting(rr.mSerial, serviceClass);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "queryCallWaiting", e);
            }
        }
    }

    @Override
    public void setCallWaiting(boolean enable, int serviceClass, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_CALL_WAITING, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " enable = " + enable + " serviceClass = " + serviceClass);
            }

            try {
                radioProxy.setCallWaiting(rr.mSerial, enable, serviceClass);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setCallWaiting", e);
            }
        }
    }

    @Override
    public void acknowledgeLastIncomingGsmSms(boolean success, int cause, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SMS_ACKNOWLEDGE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " success = " + success + " cause = " + cause);
            }

            try {
                radioProxy.acknowledgeLastIncomingGsmSms(rr.mSerial, success, cause);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "acknowledgeLastIncomingGsmSms", e);
            }
        }
    }

    @Override
    public void acceptCall(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_ANSWER, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.acceptCall(rr.mSerial);
                mMetrics.writeRilAnswer(mPhoneId, rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "acceptCall", e);
            }
        }
    }

    @Override
    public void deactivateDataCall(int cid, int reason, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_DEACTIVATE_DATA_CALL, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> "
                        + requestToString(rr.mRequest) + " cid = " + cid + " reason = " + reason);
            }

            android.hardware.radio.V1_2.IRadio radioProxy12 =
                    android.hardware.radio.V1_2.IRadio.castFrom(radioProxy);

            try {
                if (radioProxy12 == null) {
                    radioProxy.deactivateDataCall(rr.mSerial, cid,
                            (reason == DataService.REQUEST_REASON_SHUTDOWN));
                } else {
                    radioProxy12.deactivateDataCall_1_2(rr.mSerial, cid, reason);
                }
                mMetrics.writeRilDeactivateDataCall(mPhoneId, rr.mSerial, cid, reason);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "deactivateDataCall", e);
            }
        }
    }

    @Override
    public void queryFacilityLock(String facility, String password, int serviceClass,
                                  Message result) {
        queryFacilityLockForApp(facility, password, serviceClass, null, result);
    }

    @Override
    public void queryFacilityLockForApp(String facility, String password, int serviceClass,
                                        String appId, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_QUERY_FACILITY_LOCK, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " facility = " + facility + " serviceClass = " + serviceClass
                        + " appId = " + appId);
            }

            try {
                radioProxy.getFacilityLockForApp(rr.mSerial,
                        convertNullToEmptyString(facility),
                        convertNullToEmptyString(password),
                        serviceClass,
                        convertNullToEmptyString(appId));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getFacilityLockForApp", e);
            }
        }
    }

    @Override
    public void setFacilityLock(String facility, boolean lockState, String password,
                                int serviceClass, Message result) {
        setFacilityLockForApp(facility, lockState, password, serviceClass, null, result);
    }

    @Override
    public void setFacilityLockForApp(String facility, boolean lockState, String password,
                                      int serviceClass, String appId, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_FACILITY_LOCK, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " facility = " + facility + " lockstate = " + lockState
                        + " serviceClass = " + serviceClass + " appId = " + appId);
            }

            try {
                radioProxy.setFacilityLockForApp(rr.mSerial,
                        convertNullToEmptyString(facility),
                        lockState,
                        convertNullToEmptyString(password),
                        serviceClass,
                        convertNullToEmptyString(appId));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setFacilityLockForApp", e);
            }
        }
    }

    @Override
    public void changeBarringPassword(String facility, String oldPwd, String newPwd,
                                      Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CHANGE_BARRING_PASSWORD, result,
                    mRILDefaultWorkSource);

            // Do not log all function args for privacy
            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + "facility = " + facility);
            }

            try {
                radioProxy.setBarringPassword(rr.mSerial,
                        convertNullToEmptyString(facility),
                        convertNullToEmptyString(oldPwd),
                        convertNullToEmptyString(newPwd));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "changeBarringPassword", e);
            }
        }
    }

    @Override
    public void getNetworkSelectionMode(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_QUERY_NETWORK_SELECTION_MODE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getNetworkSelectionMode(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getNetworkSelectionMode", e);
            }
        }
    }

    @Override
    public void setNetworkSelectionModeAutomatic(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_NETWORK_SELECTION_AUTOMATIC, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.setNetworkSelectionModeAutomatic(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setNetworkSelectionModeAutomatic", e);
            }
        }
    }

    @Override
    public void setNetworkSelectionModeManual(String operatorNumeric, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_NETWORK_SELECTION_MANUAL, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " operatorNumeric = " + operatorNumeric);
            }

            try {
                radioProxy.setNetworkSelectionModeManual(rr.mSerial,
                        convertNullToEmptyString(operatorNumeric));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setNetworkSelectionModeManual", e);
            }
        }
    }

    @Override
    public void getAvailableNetworks(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_QUERY_AVAILABLE_NETWORKS, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getAvailableNetworks(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getAvailableNetworks", e);
            }
        }
    }

    private android.hardware.radio.V1_1.RadioAccessSpecifier convertRadioAccessSpecifierToRadioHAL(
            RadioAccessSpecifier ras) {
        android.hardware.radio.V1_1.RadioAccessSpecifier rasInHalFormat =
                new android.hardware.radio.V1_1.RadioAccessSpecifier();
        rasInHalFormat.radioAccessNetwork = ras.getRadioAccessNetwork();
        List<Integer> bands = null;
        switch (ras.getRadioAccessNetwork()) {
            case AccessNetworkType.GERAN:
                bands = rasInHalFormat.geranBands;
                break;
            case AccessNetworkType.UTRAN:
                bands = rasInHalFormat.utranBands;
                break;
            case AccessNetworkType.EUTRAN:
                bands = rasInHalFormat.eutranBands;
                break;
            default:
                Log.wtf(RILJ_LOG_TAG, "radioAccessNetwork " + ras.getRadioAccessNetwork()
                        + " not supported!");
                return null;
        }

        if (ras.getBands() != null) {
            for (int band : ras.getBands()) {
                bands.add(band);
            }
        }
        if (ras.getChannels() != null) {
            for (int channel : ras.getChannels()) {
                rasInHalFormat.channels.add(channel);
            }
        }

        return rasInHalFormat;
    }

    @Override
    public void startNetworkScan(NetworkScanRequest nsr, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            android.hardware.radio.V1_2.IRadio radioProxy12 =
                    android.hardware.radio.V1_2.IRadio.castFrom(radioProxy);
            if (radioProxy12 != null) {
                android.hardware.radio.V1_2.NetworkScanRequest request =
                        new android.hardware.radio.V1_2.NetworkScanRequest();
                request.type = nsr.getScanType();
                request.interval = nsr.getSearchPeriodicity();
                request.maxSearchTime = nsr.getMaxSearchTime();
                request.incrementalResultsPeriodicity = nsr.getIncrementalResultsPeriodicity();
                request.incrementalResults = nsr.getIncrementalResults();

                for (RadioAccessSpecifier ras : nsr.getSpecifiers()) {

                    android.hardware.radio.V1_1.RadioAccessSpecifier rasInHalFormat =
                            convertRadioAccessSpecifierToRadioHAL(ras);
                    if (rasInHalFormat == null) {
                        return;
                    }

                    request.specifiers.add(rasInHalFormat);
                }

                request.mccMncs.addAll(nsr.getPlmns());
                RILRequest rr = obtainRequest(RIL_REQUEST_START_NETWORK_SCAN, result,
                        mRILDefaultWorkSource);

                if (RILJ_LOGD) {
                    riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
                }

                try {
                    radioProxy12.startNetworkScan_1_2(rr.mSerial, request);
                } catch (RemoteException | RuntimeException e) {
                    handleRadioProxyExceptionForRR(rr, "startNetworkScan", e);
                }
            } else {
                android.hardware.radio.V1_1.IRadio radioProxy11 =
                        android.hardware.radio.V1_1.IRadio.castFrom(radioProxy);
                if (radioProxy11 == null) {
                    if (result != null) {
                        AsyncResult.forMessage(result, null,
                                CommandException.fromRilErrno(REQUEST_NOT_SUPPORTED));
                        result.sendToTarget();
                    }
                } else {
                    android.hardware.radio.V1_1.NetworkScanRequest request =
                            new android.hardware.radio.V1_1.NetworkScanRequest();
                    request.type = nsr.getScanType();
                    request.interval = nsr.getSearchPeriodicity();
                    for (RadioAccessSpecifier ras : nsr.getSpecifiers()) {
                        android.hardware.radio.V1_1.RadioAccessSpecifier rasInHalFormat =
                                convertRadioAccessSpecifierToRadioHAL(ras);
                        if (rasInHalFormat == null) {
                            return;
                        }

                        request.specifiers.add(rasInHalFormat);
                    }

                    RILRequest rr = obtainRequest(RIL_REQUEST_START_NETWORK_SCAN, result,
                            mRILDefaultWorkSource);

                    if (RILJ_LOGD) {
                        riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
                    }

                    try {
                        radioProxy11.startNetworkScan(rr.mSerial, request);
                    } catch (RemoteException | RuntimeException e) {
                        handleRadioProxyExceptionForRR(rr, "startNetworkScan", e);
                    }
                }
            }
        }
    }

    @Override
    public void stopNetworkScan(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            android.hardware.radio.V1_1.IRadio radioProxy11 =
                    android.hardware.radio.V1_1.IRadio.castFrom(radioProxy);
            if (radioProxy11 == null) {
                if (result != null) {
                    AsyncResult.forMessage(result, null,
                            CommandException.fromRilErrno(REQUEST_NOT_SUPPORTED));
                    result.sendToTarget();
                }
            } else {
                RILRequest rr = obtainRequest(RIL_REQUEST_STOP_NETWORK_SCAN, result,
                        mRILDefaultWorkSource);

                if (RILJ_LOGD) {
                    riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
                }

                try {
                    radioProxy11.stopNetworkScan(rr.mSerial);
                } catch (RemoteException | RuntimeException e) {
                    handleRadioProxyExceptionForRR(rr, "stopNetworkScan", e);
                }
            }
        }
    }

    @Override
    public void startDtmf(char c, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_DTMF_START, result,
                    mRILDefaultWorkSource);

            // Do not log function arg for privacy
            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.startDtmf(rr.mSerial, c + "");
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "startDtmf", e);
            }
        }
    }

    @Override
    public void stopDtmf(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_DTMF_STOP, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.stopDtmf(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "stopDtmf", e);
            }
        }
    }

    @Override
    public void separateConnection(int gsmIndex, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SEPARATE_CONNECTION, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " gsmIndex = " + gsmIndex);
            }

            try {
                radioProxy.separateConnection(rr.mSerial, gsmIndex);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "separateConnection", e);
            }
        }
    }

    @Override
    public void getBasebandVersion(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_BASEBAND_VERSION, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getBasebandVersion(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getBasebandVersion", e);
            }
        }
    }

    @Override
    public void setMute(boolean enableMute, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_MUTE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " enableMute = " + enableMute);
            }

            try {
                radioProxy.setMute(rr.mSerial, enableMute);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setMute", e);
            }
        }
    }

    @Override
    public void getMute(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_MUTE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getMute(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getMute", e);
            }
        }
    }

    @Override
    public void queryCLIP(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_QUERY_CLIP, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getClip(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "queryCLIP", e);
            }
        }
    }

    /**
     * @deprecated
     */
    @Override
    @Deprecated
    public void getPDPContextList(Message result) {
        getDataCallList(result);
    }

    @Override
    public void getDataCallList(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_DATA_CALL_LIST, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getDataCallList(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getDataCallList", e);
            }
        }
    }

    @Override
    public void invokeOemRilRequestRaw(byte[] data, Message response) {
        IOemHook oemHookProxy = getOemHookProxy(response);
        if (oemHookProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_OEM_HOOK_RAW, response,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + "[" + IccUtils.bytesToHexString(data) + "]");
            }

            try {
                oemHookProxy.sendRequestRaw(rr.mSerial, primitiveArrayToArrayList(data));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "invokeOemRilRequestRaw", e);
            }
        }
    }

    @Override
    public void invokeOemRilRequestStrings(String[] strings, Message result) {
        IOemHook oemHookProxy = getOemHookProxy(result);
        if (oemHookProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_OEM_HOOK_STRINGS, result,
                    mRILDefaultWorkSource);

            String logStr = "";
            for (int i = 0; i < strings.length; i++) {
                logStr = logStr + strings[i] + " ";
            }
            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " strings = "
                        + logStr);
            }

            try {
                oemHookProxy.sendRequestStrings(rr.mSerial,
                        new ArrayList<String>(Arrays.asList(strings)));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "invokeOemRilRequestStrings", e);
            }
        }
    }

    @Override
    public void setSuppServiceNotifications(boolean enable, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_SUPP_SVC_NOTIFICATION, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " enable = "
                        + enable);
            }

            try {
                radioProxy.setSuppServiceNotifications(rr.mSerial, enable);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setSuppServiceNotifications", e);
            }
        }
    }

    @Override
    public void writeSmsToSim(int status, String smsc, String pdu, Message result) {
        status = translateStatus(status);
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_WRITE_SMS_TO_SIM, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGV) {
                riljLog(rr.serialString() + "> "
                        + requestToString(rr.mRequest)
                        + " " + status);
            }

            SmsWriteArgs args = new SmsWriteArgs();
            args.status = status;
            args.smsc = convertNullToEmptyString(smsc);
            args.pdu = convertNullToEmptyString(pdu);

            try {
                radioProxy.writeSmsToSim(rr.mSerial, args);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "writeSmsToSim", e);
            }
        }
    }

    @Override
    public void deleteSmsOnSim(int index, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_DELETE_SMS_ON_SIM, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGV) {
                riljLog(rr.serialString() + "> "
                        + requestToString(rr.mRequest) + " index = " + index);
            }

            try {
                radioProxy.deleteSmsOnSim(rr.mSerial, index);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "deleteSmsOnSim", e);
            }
        }
    }

    @Override
    public void setBandMode(int bandMode, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_BAND_MODE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " bandMode = " + bandMode);
            }

            try {
                radioProxy.setBandMode(rr.mSerial, bandMode);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setBandMode", e);
            }
        }
    }

    @Override
    public void queryAvailableBandMode(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_QUERY_AVAILABLE_BAND_MODE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getAvailableBandModes(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "queryAvailableBandMode", e);
            }
        }
    }

    @Override
    public void sendEnvelope(String contents, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_STK_SEND_ENVELOPE_COMMAND, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " contents = "
                        + contents);
            }

            try {
                radioProxy.sendEnvelope(rr.mSerial, convertNullToEmptyString(contents));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendEnvelope", e);
            }
        }
    }

    @Override
    public void sendTerminalResponse(String contents, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_STK_SEND_TERMINAL_RESPONSE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " contents = "
                        + (Build.IS_DEBUGGABLE ? contents : censoredTerminalResponse(contents)));
            }

            try {
                radioProxy.sendTerminalResponseToSim(rr.mSerial,
                        convertNullToEmptyString(contents));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendTerminalResponse", e);
            }
        }
    }

    private String censoredTerminalResponse(String terminalResponse) {
        try {
            byte[] bytes = IccUtils.hexStringToBytes(terminalResponse);
            if (bytes != null) {
                List<ComprehensionTlv> ctlvs = ComprehensionTlv.decodeMany(bytes, 0);
                int from = 0;
                for (ComprehensionTlv ctlv : ctlvs) {
                    // Find text strings which might be personal information input by user,
                    // then replace it with "********".
                    if (ComprehensionTlvTag.TEXT_STRING.value() == ctlv.getTag()) {
                        byte[] target = Arrays.copyOfRange(ctlv.getRawValue(), from,
                                ctlv.getValueIndex() + ctlv.getLength());
                        terminalResponse = terminalResponse.toLowerCase().replace(
                                IccUtils.bytesToHexString(target), "********");
                    }
                    // The text string tag and the length field should also be hidden.
                    from = ctlv.getValueIndex() + ctlv.getLength();
                }
            }
        } catch (Exception e) {
            Rlog.e(RILJ_LOG_TAG, "Could not censor the terminal response: " + e);
            terminalResponse = null;
        }

        return terminalResponse;
    }

    @Override
    public void sendEnvelopeWithStatus(String contents, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_STK_SEND_ENVELOPE_WITH_STATUS, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " contents = "
                        + contents);
            }

            try {
                radioProxy.sendEnvelopeWithStatus(rr.mSerial, convertNullToEmptyString(contents));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendEnvelopeWithStatus", e);
            }
        }
    }

    @Override
    public void explicitCallTransfer(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_EXPLICIT_CALL_TRANSFER, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.explicitCallTransfer(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "explicitCallTransfer", e);
            }
        }
    }

    @Override
    public void setPreferredNetworkType(int networkType , Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_PREFERRED_NETWORK_TYPE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " networkType = " + networkType);
            }
            mPreferredNetworkType = networkType;
            mMetrics.writeSetPreferredNetworkType(mPhoneId, networkType);

            try {
                radioProxy.setPreferredNetworkType(rr.mSerial, networkType);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setPreferredNetworkType", e);
            }
        }
    }

    @Override
    public void getPreferredNetworkType(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_PREFERRED_NETWORK_TYPE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getPreferredNetworkType(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getPreferredNetworkType", e);
            }
        }
    }

    @Override
    public void getNeighboringCids(Message result, WorkSource workSource) {
        workSource = getDeafultWorkSourceIfInvalid(workSource);
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_NEIGHBORING_CELL_IDS, result,
                    workSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getNeighboringCids(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getNeighboringCids", e);
            }
        }
    }

    @Override
    public void setLocationUpdates(boolean enable, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_LOCATION_UPDATES, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> "
                        + requestToString(rr.mRequest) + " enable = " + enable);
            }

            try {
                radioProxy.setLocationUpdates(rr.mSerial, enable);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setLocationUpdates", e);
            }
        }
    }

    @Override
    public void setCdmaSubscriptionSource(int cdmaSubscription , Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_SET_SUBSCRIPTION_SOURCE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " cdmaSubscription = " + cdmaSubscription);
            }

            try {
                radioProxy.setCdmaSubscriptionSource(rr.mSerial, cdmaSubscription);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setCdmaSubscriptionSource", e);
            }
        }
    }

    @Override
    public void queryCdmaRoamingPreference(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_QUERY_ROAMING_PREFERENCE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getCdmaRoamingPreference(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "queryCdmaRoamingPreference", e);
            }
        }
    }

    @Override
    public void setCdmaRoamingPreference(int cdmaRoamingType, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_SET_ROAMING_PREFERENCE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " cdmaRoamingType = " + cdmaRoamingType);
            }

            try {
                radioProxy.setCdmaRoamingPreference(rr.mSerial, cdmaRoamingType);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setCdmaRoamingPreference", e);
            }
        }
    }

    @Override
    public void queryTTYMode(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_QUERY_TTY_MODE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getTTYMode(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "queryTTYMode", e);
            }
        }
    }

    @Override
    public void setTTYMode(int ttyMode, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_TTY_MODE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " ttyMode = " + ttyMode);
            }

            try {
                radioProxy.setTTYMode(rr.mSerial, ttyMode);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setTTYMode", e);
            }
        }
    }

    @Override
    public void setPreferredVoicePrivacy(boolean enable, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " enable = " + enable);
            }

            try {
                radioProxy.setPreferredVoicePrivacy(rr.mSerial, enable);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setPreferredVoicePrivacy", e);
            }
        }
    }

    @Override
    public void getPreferredVoicePrivacy(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE,
                    result, mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getPreferredVoicePrivacy(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getPreferredVoicePrivacy", e);
            }
        }
    }

    @Override
    public void sendCDMAFeatureCode(String featureCode, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_FLASH, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " featureCode = " + featureCode);
            }

            try {
                radioProxy.sendCDMAFeatureCode(rr.mSerial, convertNullToEmptyString(featureCode));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendCDMAFeatureCode", e);
            }
        }
    }

    @Override
    public void sendBurstDtmf(String dtmfString, int on, int off, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_BURST_DTMF, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " dtmfString = " + dtmfString + " on = " + on + " off = " + off);
            }

            try {
                radioProxy.sendBurstDtmf(rr.mSerial, convertNullToEmptyString(dtmfString), on, off);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendBurstDtmf", e);
            }
        }
    }

    private void constructCdmaSendSmsRilRequest(CdmaSmsMessage msg, byte[] pdu) {
        int addrNbrOfDigits;
        int subaddrNbrOfDigits;
        int bearerDataLength;
        ByteArrayInputStream bais = new ByteArrayInputStream(pdu);
        DataInputStream dis = new DataInputStream(bais);

        try {
            msg.teleserviceId = dis.readInt(); // teleServiceId
            msg.isServicePresent = (byte) dis.readInt() == 1 ? true : false; // servicePresent
            msg.serviceCategory = dis.readInt(); // serviceCategory
            msg.address.digitMode = dis.read();  // address digit mode
            msg.address.numberMode = dis.read(); // address number mode
            msg.address.numberType = dis.read(); // address number type
            msg.address.numberPlan = dis.read(); // address number plan
            addrNbrOfDigits = (byte) dis.read();
            for (int i = 0; i < addrNbrOfDigits; i++) {
                msg.address.digits.add(dis.readByte()); // address_orig_bytes[i]
            }
            msg.subAddress.subaddressType = dis.read(); //subaddressType
            msg.subAddress.odd = (byte) dis.read() == 1 ? true : false; //subaddr odd
            subaddrNbrOfDigits = (byte) dis.read();
            for (int i = 0; i < subaddrNbrOfDigits; i++) {
                msg.subAddress.digits.add(dis.readByte()); //subaddr_orig_bytes[i]
            }

            bearerDataLength = dis.read();
            for (int i = 0; i < bearerDataLength; i++) {
                msg.bearerData.add(dis.readByte()); //bearerData[i]
            }
        } catch (IOException ex) {
            if (RILJ_LOGD) {
                riljLog("sendSmsCdma: conversion from input stream to object failed: "
                        + ex);
            }
        }
    }

    @Override
    public void sendCdmaSms(byte[] pdu, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_SEND_SMS, result,
                    mRILDefaultWorkSource);

            // Do not log function arg for privacy
            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            CdmaSmsMessage msg = new CdmaSmsMessage();
            constructCdmaSendSmsRilRequest(msg, pdu);

            try {
                radioProxy.sendCdmaSms(rr.mSerial, msg);
                mMetrics.writeRilSendSms(mPhoneId, rr.mSerial, SmsSession.Event.Tech.SMS_CDMA,
                        SmsSession.Event.Format.SMS_FORMAT_3GPP2);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendCdmaSms", e);
            }
        }
    }

    @Override
    public void acknowledgeLastIncomingCdmaSms(boolean success, int cause, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_SMS_ACKNOWLEDGE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " success = " + success + " cause = " + cause);
            }

            CdmaSmsAck msg = new CdmaSmsAck();
            msg.errorClass = success ? 0 : 1;
            msg.smsCauseCode = cause;

            try {
                radioProxy.acknowledgeLastIncomingCdmaSms(rr.mSerial, msg);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "acknowledgeLastIncomingCdmaSms", e);
            }
        }
    }

    @Override
    public void getGsmBroadcastConfig(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GSM_GET_BROADCAST_CONFIG, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getGsmBroadcastConfig(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getGsmBroadcastConfig", e);
            }
        }
    }

    @Override
    public void setGsmBroadcastConfig(SmsBroadcastConfigInfo[] config, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GSM_SET_BROADCAST_CONFIG, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " with " + config.length + " configs : ");
                for (int i = 0; i < config.length; i++) {
                    riljLog(config[i].toString());
                }
            }

            ArrayList<GsmBroadcastSmsConfigInfo> configs = new ArrayList<>();

            int numOfConfig = config.length;
            GsmBroadcastSmsConfigInfo info;

            for (int i = 0; i < numOfConfig; i++) {
                info = new GsmBroadcastSmsConfigInfo();
                info.fromServiceId = config[i].getFromServiceId();
                info.toServiceId = config[i].getToServiceId();
                info.fromCodeScheme = config[i].getFromCodeScheme();
                info.toCodeScheme = config[i].getToCodeScheme();
                info.selected = config[i].isSelected();
                configs.add(info);
            }

            try {
                radioProxy.setGsmBroadcastConfig(rr.mSerial, configs);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setGsmBroadcastConfig", e);
            }
        }
    }

    @Override
    public void setGsmBroadcastActivation(boolean activate, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GSM_BROADCAST_ACTIVATION, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " activate = " + activate);
            }

            try {
                radioProxy.setGsmBroadcastActivation(rr.mSerial, activate);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setGsmBroadcastActivation", e);
            }
        }
    }

    @Override
    public void getCdmaBroadcastConfig(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_GET_BROADCAST_CONFIG, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getCdmaBroadcastConfig(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getCdmaBroadcastConfig", e);
            }
        }
    }

    @Override
    public void setCdmaBroadcastConfig(CdmaSmsBroadcastConfigInfo[] configs, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_SET_BROADCAST_CONFIG, result,
                    mRILDefaultWorkSource);

            ArrayList<CdmaBroadcastSmsConfigInfo> halConfigs = new ArrayList<>();

            for (CdmaSmsBroadcastConfigInfo config: configs) {
                for (int i = config.getFromServiceCategory();
                        i <= config.getToServiceCategory();
                        i++) {
                    CdmaBroadcastSmsConfigInfo info = new CdmaBroadcastSmsConfigInfo();
                    info.serviceCategory = i;
                    info.language = config.getLanguage();
                    info.selected = config.isSelected();
                    halConfigs.add(info);
                }
            }

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " with " + halConfigs.size() + " configs : ");
                for (CdmaBroadcastSmsConfigInfo config : halConfigs) {
                    riljLog(config.toString());
                }
            }

            try {
                radioProxy.setCdmaBroadcastConfig(rr.mSerial, halConfigs);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setCdmaBroadcastConfig", e);
            }
        }
    }

    @Override
    public void setCdmaBroadcastActivation(boolean activate, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_BROADCAST_ACTIVATION, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " activate = " + activate);
            }

            try {
                radioProxy.setCdmaBroadcastActivation(rr.mSerial, activate);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setCdmaBroadcastActivation", e);
            }
        }
    }

    @Override
    public void getCDMASubscription(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_SUBSCRIPTION, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getCDMASubscription(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getCDMASubscription", e);
            }
        }
    }

    @Override
    public void writeSmsToRuim(int status, String pdu, Message result) {
        status = translateStatus(status);
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_WRITE_SMS_TO_RUIM, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGV) {
                riljLog(rr.serialString() + "> "
                        + requestToString(rr.mRequest)
                        + " status = " + status);
            }

            CdmaSmsWriteArgs args = new CdmaSmsWriteArgs();
            args.status = status;
            constructCdmaSendSmsRilRequest(args.message, pdu.getBytes());

            try {
                radioProxy.writeSmsToRuim(rr.mSerial, args);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "writeSmsToRuim", e);
            }
        }
    }

    @Override
    public void deleteSmsOnRuim(int index, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_DELETE_SMS_ON_RUIM, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGV) {
                riljLog(rr.serialString() + "> "
                        + requestToString(rr.mRequest)
                        + " index = " + index);
            }

            try {
                radioProxy.deleteSmsOnRuim(rr.mSerial, index);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "deleteSmsOnRuim", e);
            }
        }
    }

    @Override
    public void getDeviceIdentity(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_DEVICE_IDENTITY, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getDeviceIdentity(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getDeviceIdentity", e);
            }
        }
    }

    @Override
    public void exitEmergencyCallbackMode(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_EXIT_EMERGENCY_CALLBACK_MODE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.exitEmergencyCallbackMode(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "exitEmergencyCallbackMode", e);
            }
        }
    }

    @Override
    public void getSmscAddress(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_SMSC_ADDRESS, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getSmscAddress(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getSmscAddress", e);
            }
        }
    }

    @Override
    public void setSmscAddress(String address, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_SMSC_ADDRESS, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " address = " + address);
            }

            try {
                radioProxy.setSmscAddress(rr.mSerial, convertNullToEmptyString(address));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setSmscAddress", e);
            }
        }
    }

    @Override
    public void reportSmsMemoryStatus(boolean available, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_REPORT_SMS_MEMORY_STATUS, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> "
                        + requestToString(rr.mRequest) + " available = " + available);
            }

            try {
                radioProxy.reportSmsMemoryStatus(rr.mSerial, available);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "reportSmsMemoryStatus", e);
            }
        }
    }

    @Override
    public void reportStkServiceIsRunning(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_REPORT_STK_SERVICE_IS_RUNNING, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.reportStkServiceIsRunning(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "reportStkServiceIsRunning", e);
            }
        }
    }

    @Override
    public void getCdmaSubscriptionSource(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_CDMA_GET_SUBSCRIPTION_SOURCE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getCdmaSubscriptionSource(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getCdmaSubscriptionSource", e);
            }
        }
    }

    @Override
    public void acknowledgeIncomingGsmSmsWithPdu(boolean success, String ackPdu, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_ACKNOWLEDGE_INCOMING_GSM_SMS_WITH_PDU, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " success = " + success);
            }

            try {
                radioProxy.acknowledgeIncomingGsmSmsWithPdu(rr.mSerial, success,
                        convertNullToEmptyString(ackPdu));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "acknowledgeIncomingGsmSmsWithPdu", e);
            }
        }
    }

    @Override
    public void getVoiceRadioTechnology(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_VOICE_RADIO_TECH, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getVoiceRadioTechnology(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getVoiceRadioTechnology", e);
            }
        }
    }

    @Override
    public void getCellInfoList(Message result, WorkSource workSource) {
        workSource = getDeafultWorkSourceIfInvalid(workSource);
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_CELL_INFO_LIST, result,
                    workSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.getCellInfoList(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getCellInfoList", e);
            }
        }
    }

    @Override
    public void setCellInfoListRate(int rateInMillis, Message result, WorkSource workSource) {
        workSource = getDeafultWorkSourceIfInvalid(workSource);
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_UNSOL_CELL_INFO_LIST_RATE, result,
                    workSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " rateInMillis = " + rateInMillis);
            }

            try {
                radioProxy.setCellInfoListRate(rr.mSerial, rateInMillis);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setCellInfoListRate", e);
            }
        }
    }

    void setCellInfoListRate() {
        setCellInfoListRate(Integer.MAX_VALUE, null, mRILDefaultWorkSource);
    }

    @Override
    public void setInitialAttachApn(DataProfile dataProfile, boolean isRoaming, Message result) {

        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_INITIAL_ATTACH_APN, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + dataProfile);
            }

            try {
                radioProxy.setInitialAttachApn(rr.mSerial, convertToHalDataProfile(dataProfile),
                        dataProfile.isModemCognitive(), isRoaming);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setInitialAttachApn", e);
            }
        }
    }

    @Override
    public void getImsRegistrationState(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_IMS_REGISTRATION_STATE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.getImsRegistrationState(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getImsRegistrationState", e);
            }
        }
    }

    @Override
    public void sendImsGsmSms(String smscPdu, String pdu, int retry, int messageRef,
                   Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_IMS_SEND_SMS, result,
                    mRILDefaultWorkSource);

            // Do not log function args for privacy
            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            ImsSmsMessage msg = new ImsSmsMessage();
            msg.tech = RILConstants.GSM_PHONE;
            msg.retry = (byte) retry >= 1 ? true : false;
            msg.messageRef = messageRef;

            GsmSmsMessage gsmMsg = constructGsmSendSmsRilRequest(smscPdu, pdu);
            msg.gsmMessage.add(gsmMsg);
            try {
                radioProxy.sendImsSms(rr.mSerial, msg);
                mMetrics.writeRilSendSms(mPhoneId, rr.mSerial, SmsSession.Event.Tech.SMS_IMS,
                        SmsSession.Event.Format.SMS_FORMAT_3GPP);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendImsGsmSms", e);
            }
        }
    }

    @Override
    public void sendImsCdmaSms(byte[] pdu, int retry, int messageRef, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_IMS_SEND_SMS, result,
                    mRILDefaultWorkSource);

            // Do not log function args for privacy
            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            ImsSmsMessage msg = new ImsSmsMessage();
            msg.tech = RILConstants.CDMA_PHONE;
            msg.retry = (byte) retry >= 1 ? true : false;
            msg.messageRef = messageRef;

            CdmaSmsMessage cdmaMsg = new CdmaSmsMessage();
            constructCdmaSendSmsRilRequest(cdmaMsg, pdu);
            msg.cdmaMessage.add(cdmaMsg);

            try {
                radioProxy.sendImsSms(rr.mSerial, msg);
                mMetrics.writeRilSendSms(mPhoneId, rr.mSerial, SmsSession.Event.Tech.SMS_IMS,
                        SmsSession.Event.Format.SMS_FORMAT_3GPP2);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendImsCdmaSms", e);
            }
        }
    }

    private SimApdu createSimApdu(int channel, int cla, int instruction, int p1, int p2, int p3,
                                  String data) {
        SimApdu msg = new SimApdu();
        msg.sessionId = channel;
        msg.cla = cla;
        msg.instruction = instruction;
        msg.p1 = p1;
        msg.p2 = p2;
        msg.p3 = p3;
        msg.data = convertNullToEmptyString(data);
        return msg;
    }

    @Override
    public void iccTransmitApduBasicChannel(int cla, int instruction, int p1, int p2,
                                            int p3, String data, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SIM_TRANSMIT_APDU_BASIC, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                if (Build.IS_DEBUGGABLE) {
                    riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                            + " cla = " + cla + " instruction = " + instruction
                            + " p1 = " + p1 + " p2 = " + " p3 = " + p3 + " data = " + data);
                } else {
                    riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
                }
            }

            SimApdu msg = createSimApdu(0, cla, instruction, p1, p2, p3, data);
            try {
                radioProxy.iccTransmitApduBasicChannel(rr.mSerial, msg);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "iccTransmitApduBasicChannel", e);
            }
        }
    }

    @Override
    public void iccOpenLogicalChannel(String aid, int p2, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SIM_OPEN_CHANNEL, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                if (Build.IS_DEBUGGABLE) {
                    riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " aid = " + aid
                            + " p2 = " + p2);
                } else {
                    riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
                }
            }

            try {
                radioProxy.iccOpenLogicalChannel(rr.mSerial, convertNullToEmptyString(aid), p2);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "iccOpenLogicalChannel", e);
            }
        }
    }

    @Override
    public void iccCloseLogicalChannel(int channel, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SIM_CLOSE_CHANNEL, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " channel = "
                        + channel);
            }

            try {
                radioProxy.iccCloseLogicalChannel(rr.mSerial, channel);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "iccCloseLogicalChannel", e);
            }
        }
    }

    @Override
    public void iccTransmitApduLogicalChannel(int channel, int cla, int instruction,
                                              int p1, int p2, int p3, String data,
                                              Message result) {
        if (channel <= 0) {
            throw new RuntimeException(
                    "Invalid channel in iccTransmitApduLogicalChannel: " + channel);
        }

        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SIM_TRANSMIT_APDU_CHANNEL, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                if (Build.IS_DEBUGGABLE) {
                    riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " channel = "
                            + channel + " cla = " + cla + " instruction = " + instruction
                            + " p1 = " + p1 + " p2 = " + " p3 = " + p3 + " data = " + data);
                } else {
                    riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
                }
            }

            SimApdu msg = createSimApdu(channel, cla, instruction, p1, p2, p3, data);

            try {
                radioProxy.iccTransmitApduLogicalChannel(rr.mSerial, msg);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "iccTransmitApduLogicalChannel", e);
            }
        }
    }

    @Override
    public void nvReadItem(int itemID, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_NV_READ_ITEM, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " itemId = " + itemID);
            }

            try {
                radioProxy.nvReadItem(rr.mSerial, itemID);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "nvReadItem", e);
            }
        }
    }

    @Override
    public void nvWriteItem(int itemId, String itemValue, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_NV_WRITE_ITEM, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " itemId = " + itemId + " itemValue = " + itemValue);
            }

            NvWriteItem item = new NvWriteItem();
            item.itemId = itemId;
            item.value = convertNullToEmptyString(itemValue);

            try {
                radioProxy.nvWriteItem(rr.mSerial, item);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "nvWriteItem", e);
            }
        }
    }

    @Override
    public void nvWriteCdmaPrl(byte[] preferredRoamingList, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_NV_WRITE_CDMA_PRL, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " PreferredRoamingList = 0x"
                        + IccUtils.bytesToHexString(preferredRoamingList));
            }

            ArrayList<Byte> arrList = new ArrayList<>();
            for (int i = 0; i < preferredRoamingList.length; i++) {
                arrList.add(preferredRoamingList[i]);
            }

            try {
                radioProxy.nvWriteCdmaPrl(rr.mSerial, arrList);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "nvWriteCdmaPrl", e);
            }
        }
    }

    @Override
    public void nvResetConfig(int resetType, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_NV_RESET_CONFIG, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " resetType = " + resetType);
            }

            try {
                radioProxy.nvResetConfig(rr.mSerial, convertToHalResetNvType(resetType));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "nvResetConfig", e);
            }
        }
    }

    @Override
    public void setUiccSubscription(int slotId, int appIndex, int subId,
                                    int subStatus, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_UICC_SUBSCRIPTION, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " slot = " + slotId + " appIndex = " + appIndex
                        + " subId = " + subId + " subStatus = " + subStatus);
            }

            SelectUiccSub info = new SelectUiccSub();
            info.slot = slotId;
            info.appIndex = appIndex;
            info.subType = subId;
            info.actStatus = subStatus;

            try {
                radioProxy.setUiccSubscription(rr.mSerial, info);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setUiccSubscription", e);
            }
        }
    }

    @Override
    public void setDataAllowed(boolean allowed, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_ALLOW_DATA, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " allowed = " + allowed);
            }

            try {
                radioProxy.setDataAllowed(rr.mSerial, allowed);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setDataAllowed", e);
            }
        }
    }

    @Override
    public void getHardwareConfig(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_HARDWARE_CONFIG, result,
                    mRILDefaultWorkSource);

            // Do not log function args for privacy
            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.getHardwareConfig(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getHardwareConfig", e);
            }
        }
    }

    @Override
    public void requestIccSimAuthentication(int authContext, String data, String aid,
                                            Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SIM_AUTHENTICATION, result,
                    mRILDefaultWorkSource);

            // Do not log function args for privacy
            if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

            try {
                radioProxy.requestIccSimAuthentication(rr.mSerial,
                        authContext,
                        convertNullToEmptyString(data),
                        convertNullToEmptyString(aid));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "requestIccSimAuthentication", e);
            }
        }
    }

    @Override
    public void setDataProfile(DataProfile[] dps, boolean isRoaming, Message result) {

        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_DATA_PROFILE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " with data profiles : ");
                for (DataProfile profile : dps) {
                    riljLog(profile.toString());
                }
            }

            ArrayList<DataProfileInfo> dpis = new ArrayList<>();
            for (DataProfile dp : dps) {
                dpis.add(convertToHalDataProfile(dp));
            }

            try {
                radioProxy.setDataProfile(rr.mSerial, dpis, isRoaming);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setDataProfile", e);
            }
        }
    }

    @Override
    public void requestShutdown(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SHUTDOWN, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.requestShutdown(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "requestShutdown", e);
            }
        }
    }

    @Override
    public void getRadioCapability(Message response) {
        IRadio radioProxy = getRadioProxy(response);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_RADIO_CAPABILITY, response,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.getRadioCapability(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getRadioCapability", e);
            }
        }
    }

    @Override
    public void setRadioCapability(RadioCapability rc, Message response) {
        IRadio radioProxy = getRadioProxy(response);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_RADIO_CAPABILITY, response,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " RadioCapability = " + rc.toString());
            }

            android.hardware.radio.V1_0.RadioCapability halRc =
                    new android.hardware.radio.V1_0.RadioCapability();

            halRc.session = rc.getSession();
            halRc.phase = rc.getPhase();
            halRc.raf = rc.getRadioAccessFamily();
            halRc.logicalModemUuid = convertNullToEmptyString(rc.getLogicalModemUuid());
            halRc.status = rc.getStatus();

            try {
                radioProxy.setRadioCapability(rr.mSerial, halRc);
            } catch (Exception e) {
                handleRadioProxyExceptionForRR(rr, "setRadioCapability", e);
            }
        }
    }

    @Override
    public void startLceService(int reportIntervalMs, boolean pullMode, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        android.hardware.radio.V1_2.IRadio radioProxy12 =
                android.hardware.radio.V1_2.IRadio.castFrom(radioProxy);
        if (radioProxy12 != null) {
            // We have a 1.2 or later radio, so the LCE 1.0 LCE service control path is unused.
            // Instead the LCE functionality is always-on and provides unsolicited indications.
            return;
        }

        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_START_LCE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest)
                        + " reportIntervalMs = " + reportIntervalMs + " pullMode = " + pullMode);
            }

            try {
                radioProxy.startLceService(rr.mSerial, reportIntervalMs, pullMode);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "startLceService", e);
            }
        }
    }

    @Override
    public void stopLceService(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        android.hardware.radio.V1_2.IRadio radioProxy12 =
                android.hardware.radio.V1_2.IRadio.castFrom(radioProxy);
        if (radioProxy12 != null) {
            // We have a 1.2 or later radio, so the LCE 1.0 LCE service control is unused.
            // Instead the LCE functionality is always-on and provides unsolicited indications.
            return;
        }

        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_STOP_LCE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.stopLceService(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "stopLceService", e);
            }
        }
    }

    /**
     * This will only be called if the LCE service is started in PULL mode, which is
     * only enabled when using Radio HAL versions 1.1 and earlier.
     *
     * It is still possible for vendors to override this behavior and use the 1.1 version
     * of LCE; however, this is strongly discouraged and this functionality will be removed
     * when HAL 1.x support is dropped.
     *
     * @deprecated HAL 1.2 and later use an always-on LCE that relies on indications.
     */
    @Deprecated
    @Override
    public void pullLceData(Message response) {
        IRadio radioProxy = getRadioProxy(response);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_PULL_LCEDATA, response,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.pullLceData(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "pullLceData", e);
            }
        }
    }

    @Override
    public void getModemActivityInfo(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_ACTIVITY_INFO, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.getModemActivityInfo(rr.mSerial);

                Message msg = mRilHandler.obtainMessage(EVENT_BLOCKING_RESPONSE_TIMEOUT);
                msg.obj = null;
                msg.arg1 = rr.mSerial;
                mRilHandler.sendMessageDelayed(msg, DEFAULT_BLOCKING_MESSAGE_RESPONSE_TIMEOUT_MS);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getModemActivityInfo", e);
            }
        }


    }

    @Override
    public void setAllowedCarriers(List<CarrierIdentifier> carriers, Message result) {
        checkNotNull(carriers, "Allowed carriers list cannot be null.");
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_ALLOWED_CARRIERS, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                String logStr = "";
                for (int i = 0; i < carriers.size(); i++) {
                    logStr = logStr + carriers.get(i) + " ";
                }
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " carriers = "
                        + logStr);
            }

            boolean allAllowed;
            if (carriers.size() == 0) {
                allAllowed = true;
            } else {
                allAllowed = false;
            }
            CarrierRestrictions carrierList = new CarrierRestrictions();

            for (CarrierIdentifier ci : carriers) { /* allowed carriers */
                Carrier c = new Carrier();
                c.mcc = convertNullToEmptyString(ci.getMcc());
                c.mnc = convertNullToEmptyString(ci.getMnc());
                int matchType = CarrierIdentifier.MatchType.ALL;
                String matchData = null;
                if (!TextUtils.isEmpty(ci.getSpn())) {
                    matchType = CarrierIdentifier.MatchType.SPN;
                    matchData = ci.getSpn();
                } else if (!TextUtils.isEmpty(ci.getImsi())) {
                    matchType = CarrierIdentifier.MatchType.IMSI_PREFIX;
                    matchData = ci.getImsi();
                } else if (!TextUtils.isEmpty(ci.getGid1())) {
                    matchType = CarrierIdentifier.MatchType.GID1;
                    matchData = ci.getGid1();
                } else if (!TextUtils.isEmpty(ci.getGid2())) {
                    matchType = CarrierIdentifier.MatchType.GID2;
                    matchData = ci.getGid2();
                }
                c.matchType = matchType;
                c.matchData = convertNullToEmptyString(matchData);
                carrierList.allowedCarriers.add(c);
            }

            /* TODO: add excluded carriers */

            try {
                radioProxy.setAllowedCarriers(rr.mSerial, allAllowed, carrierList);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setAllowedCarriers", e);
            }
        }
    }

    @Override
    public void getAllowedCarriers(Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_GET_ALLOWED_CARRIERS, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.getAllowedCarriers(rr.mSerial);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getAllowedCarriers", e);
            }
        }
    }

    @Override
    public void sendDeviceState(int stateType, boolean state,
                                Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SEND_DEVICE_STATE, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " "
                        + stateType + ":" + state);
            }

            try {
                radioProxy.sendDeviceState(rr.mSerial, stateType, state);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendDeviceState", e);
            }
        }
    }

    @Override
    public void setUnsolResponseFilter(int filter, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_UNSOLICITED_RESPONSE_FILTER, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " " + filter);
            }

            android.hardware.radio.V1_2.IRadio radioProxy12 =
                    android.hardware.radio.V1_2.IRadio.castFrom(radioProxy);

            if (radioProxy12 != null) {
                try {
                    radioProxy12.setIndicationFilter_1_2(rr.mSerial, filter);
                } catch (RemoteException | RuntimeException e) {
                    handleRadioProxyExceptionForRR(rr, "setIndicationFilter_1_2", e);
                }
            } else {
                try {
                    int filter10 = filter & IndicationFilter.ALL;
                    radioProxy.setIndicationFilter(rr.mSerial, filter10);
                } catch (RemoteException | RuntimeException e) {
                    handleRadioProxyExceptionForRR(rr, "setIndicationFilter", e);
                }
            }
        }
    }

    @Override
    public void setSignalStrengthReportingCriteria(int hysteresisMs, int hysteresisDb,
            int[] thresholdsDbm, int ran, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            android.hardware.radio.V1_2.IRadio radioProxy12 =
                    android.hardware.radio.V1_2.IRadio.castFrom(radioProxy);
            if (radioProxy12 == null) {
                riljLoge("setSignalStrengthReportingCriteria ignored. RadioProxy 1.2 is null!");
                return;
            }

            RILRequest rr = obtainRequest(RIL_REQUEST_SET_SIGNAL_STRENGTH_REPORTING_CRITERIA,
                    result, mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy12.setSignalStrengthReportingCriteria(rr.mSerial, hysteresisMs,
                        hysteresisDb, primitiveArrayToArrayList(thresholdsDbm),
                        convertRanToHalRan(ran));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setSignalStrengthReportingCriteria", e);
            }
        }
    }

    @Override
    public void setLinkCapacityReportingCriteria(int hysteresisMs, int hysteresisDlKbps,
            int hysteresisUlKbps, int[] thresholdsDlKbps, int[] thresholdsUlKbps, int ran,
            Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            android.hardware.radio.V1_2.IRadio radioProxy12 =
                    android.hardware.radio.V1_2.IRadio.castFrom(radioProxy);
            if (radioProxy12 == null) {
                riljLoge("setLinkCapacityReportingCriteria ignored. RadioProxy 1.2 is null!");
                return;
            }

            RILRequest rr = obtainRequest(RIL_REQUEST_SET_LINK_CAPACITY_REPORTING_CRITERIA,
                    result, mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy12.setLinkCapacityReportingCriteria(rr.mSerial, hysteresisMs,
                        hysteresisDlKbps, hysteresisUlKbps,
                        primitiveArrayToArrayList(thresholdsDlKbps),
                        primitiveArrayToArrayList(thresholdsUlKbps), convertRanToHalRan(ran));
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "setLinkCapacityReportingCriteria", e);
            }
        }
    }

    private static int convertRanToHalRan(int radioAccessNetwork) {
        switch (radioAccessNetwork) {
            case AccessNetworkType.GERAN:
                return AccessNetwork.GERAN;
            case AccessNetworkType.UTRAN:
                return AccessNetwork.UTRAN;
            case AccessNetworkType.EUTRAN:
                return AccessNetwork.EUTRAN;
            case AccessNetworkType.CDMA2000:
                return AccessNetwork.CDMA2000;
            case AccessNetworkType.IWLAN:
                return AccessNetwork.IWLAN;
            case AccessNetworkType.UNKNOWN:
            default:
                return 0;
        }
    }

    @Override
    public void setSimCardPower(int state, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_SET_SIM_CARD_POWER, result,
                    mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest) + " " + state);
            }
            android.hardware.radio.V1_1.IRadio radioProxy11 =
                    android.hardware.radio.V1_1.IRadio.castFrom(radioProxy);
            if (radioProxy11 == null) {
                try {
                    switch (state) {
                        case TelephonyManager.CARD_POWER_DOWN: {
                            radioProxy.setSimCardPower(rr.mSerial, false);
                            break;
                        }
                        case TelephonyManager.CARD_POWER_UP: {
                            radioProxy.setSimCardPower(rr.mSerial, true);
                            break;
                        }
                        default: {
                            if (result != null) {
                                AsyncResult.forMessage(result, null,
                                        CommandException.fromRilErrno(REQUEST_NOT_SUPPORTED));
                                result.sendToTarget();
                            }
                        }
                    }
                } catch (RemoteException | RuntimeException e) {
                    handleRadioProxyExceptionForRR(rr, "setSimCardPower", e);
                }
            } else {
                try {
                    radioProxy11.setSimCardPower_1_1(rr.mSerial, state);
                } catch (RemoteException | RuntimeException e) {
                    handleRadioProxyExceptionForRR(rr, "setSimCardPower", e);
                }
            }
        }
    }

    @Override
    public void setCarrierInfoForImsiEncryption(ImsiEncryptionInfo imsiEncryptionInfo,
                                                Message result) {
        checkNotNull(imsiEncryptionInfo, "ImsiEncryptionInfo cannot be null.");
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            android.hardware.radio.V1_1.IRadio radioProxy11 =
                    android.hardware.radio.V1_1.IRadio.castFrom(radioProxy);
            if (radioProxy11 == null) {
                if (result != null) {
                    AsyncResult.forMessage(result, null,
                            CommandException.fromRilErrno(REQUEST_NOT_SUPPORTED));
                    result.sendToTarget();
                }
            } else {
                RILRequest rr = obtainRequest(RIL_REQUEST_SET_CARRIER_INFO_IMSI_ENCRYPTION, result,
                        mRILDefaultWorkSource);
                if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

                try {
                    android.hardware.radio.V1_1.ImsiEncryptionInfo halImsiInfo =
                            new android.hardware.radio.V1_1.ImsiEncryptionInfo();
                    halImsiInfo.mnc = imsiEncryptionInfo.getMnc();
                    halImsiInfo.mcc = imsiEncryptionInfo.getMcc();
                    halImsiInfo.keyIdentifier = imsiEncryptionInfo.getKeyIdentifier();
                    if (imsiEncryptionInfo.getExpirationTime() != null) {
                        halImsiInfo.expirationTime =
                                imsiEncryptionInfo.getExpirationTime().getTime();
                    }
                    for (byte b : imsiEncryptionInfo.getPublicKey().getEncoded()) {
                        halImsiInfo.carrierKey.add(new Byte(b));
                    }

                    radioProxy11.setCarrierInfoForImsiEncryption(
                            rr.mSerial, halImsiInfo);
                } catch (RemoteException | RuntimeException e) {
                    handleRadioProxyExceptionForRR(rr, "setCarrierInfoForImsiEncryption", e);
                }
            }
        }
    }

    @Override
    public void startNattKeepalive(
            int contextId, KeepalivePacketData packetData, int intervalMillis, Message result) {
        checkNotNull(packetData, "KeepaliveRequest cannot be null.");
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy == null) {
            riljLoge("Radio Proxy object is null!");
            return;
        }

        android.hardware.radio.V1_1.IRadio radioProxy11 =
                android.hardware.radio.V1_1.IRadio.castFrom(radioProxy);
        if (radioProxy11 == null) {
            if (result != null) {
                AsyncResult.forMessage(result, null,
                        CommandException.fromRilErrno(REQUEST_NOT_SUPPORTED));
                result.sendToTarget();
            }
            return;
        }

        RILRequest rr = obtainRequest(
                RIL_REQUEST_START_KEEPALIVE, result, mRILDefaultWorkSource);

        if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

        try {
            android.hardware.radio.V1_1.KeepaliveRequest req =
                    new android.hardware.radio.V1_1.KeepaliveRequest();

            req.cid = contextId;

            if (packetData.dstAddress instanceof Inet4Address) {
                req.type = android.hardware.radio.V1_1.KeepaliveType.NATT_IPV4;
            } else if (packetData.dstAddress instanceof Inet6Address) {
                req.type = android.hardware.radio.V1_1.KeepaliveType.NATT_IPV6;
            } else {
                AsyncResult.forMessage(result, null,
                        CommandException.fromRilErrno(INVALID_ARGUMENTS));
                result.sendToTarget();
                return;
            }

            appendPrimitiveArrayToArrayList(
                    packetData.srcAddress.getAddress(), req.sourceAddress);
            req.sourcePort = packetData.srcPort;
            appendPrimitiveArrayToArrayList(
                    packetData.dstAddress.getAddress(), req.destinationAddress);
            req.destinationPort = packetData.dstPort;

            radioProxy11.startKeepalive(rr.mSerial, req);
        } catch (RemoteException | RuntimeException e) {
            handleRadioProxyExceptionForRR(rr, "startNattKeepalive", e);
        }
    }

    @Override
    public void stopNattKeepalive(int sessionHandle, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy == null) {
            Rlog.e(RIL.RILJ_LOG_TAG, "Radio Proxy object is null!");
            return;
        }

        android.hardware.radio.V1_1.IRadio radioProxy11 =
                android.hardware.radio.V1_1.IRadio.castFrom(radioProxy);
        if (radioProxy11 == null) {
            if (result != null) {
                AsyncResult.forMessage(result, null,
                        CommandException.fromRilErrno(REQUEST_NOT_SUPPORTED));
                result.sendToTarget();
            }
            return;
        }

        RILRequest rr = obtainRequest(
                RIL_REQUEST_STOP_KEEPALIVE, result, mRILDefaultWorkSource);

        if (RILJ_LOGD) riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));

        try {
            radioProxy11.stopKeepalive(rr.mSerial, sessionHandle);
        } catch (RemoteException | RuntimeException e) {
            handleRadioProxyExceptionForRR(rr, "stopNattKeepalive", e);
        }
    }

    @Override
    public void getIMEI(Message result) {
        throw new RuntimeException("getIMEI not expected to be called");
    }

    @Override
    public void getIMEISV(Message result) {
        throw new RuntimeException("getIMEISV not expected to be called");
    }

    /**
     * @deprecated
     */
    @Deprecated
    @Override
    public void getLastPdpFailCause(Message result) {
        throw new RuntimeException("getLastPdpFailCause not expected to be called");
    }

    /**
     * The preferred new alternative to getLastPdpFailCause
     */
    @Override
    public void getLastDataCallFailCause(Message result) {
        throw new RuntimeException("getLastDataCallFailCause not expected to be called");
    }

    /**
     *  Translates EF_SMS status bits to a status value compatible with
     *  SMS AT commands.  See TS 27.005 3.1.
     */
    private int translateStatus(int status) {
        switch(status & 0x7) {
            case SmsManager.STATUS_ON_ICC_READ:
                return 1;
            case SmsManager.STATUS_ON_ICC_UNREAD:
                return 0;
            case SmsManager.STATUS_ON_ICC_SENT:
                return 3;
            case SmsManager.STATUS_ON_ICC_UNSENT:
                return 2;
        }

        // Default to READ.
        return 1;
    }

    @Override
    public void resetRadio(Message result) {
        throw new RuntimeException("resetRadio not expected to be called");
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void handleCallSetupRequestFromSim(boolean accept, Message result) {
        IRadio radioProxy = getRadioProxy(result);
        if (radioProxy != null) {
            RILRequest rr = obtainRequest(RIL_REQUEST_STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM,
                    result, mRILDefaultWorkSource);

            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "> " + requestToString(rr.mRequest));
            }

            try {
                radioProxy.handleStkCallSetupRequestFromSim(rr.mSerial, accept);
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "getAllowedCarriers", e);
            }
        }
    }

    //***** Private Methods

    /**
     * This is a helper function to be called when a RadioIndication callback is called.
     * It takes care of acquiring wakelock and sending ack if needed.
     * @param indicationType RadioIndicationType received
     */
    void processIndication(int indicationType) {
        if (indicationType == RadioIndicationType.UNSOLICITED_ACK_EXP) {
            sendAck();
            if (RILJ_LOGD) riljLog("Unsol response received; Sending ack to ril.cpp");
        } else {
            // ack is not expected to be sent back. Nothing is required to be done here.
        }
    }

    void processRequestAck(int serial) {
        RILRequest rr;
        synchronized (mRequestList) {
            rr = mRequestList.get(serial);
        }
        if (rr == null) {
            Rlog.w(RIL.RILJ_LOG_TAG, "processRequestAck: Unexpected solicited ack response! "
                    + "serial: " + serial);
        } else {
            decrementWakeLock(rr);
            if (RIL.RILJ_LOGD) {
                riljLog(rr.serialString() + " Ack < " + RIL.requestToString(rr.mRequest));
            }
        }
    }

    /**
     * This is a helper function to be called when a RadioResponse callback is called.
     * It takes care of acks, wakelocks, and finds and returns RILRequest corresponding to the
     * response if one is found.
     * @param responseInfo RadioResponseInfo received in response callback
     * @return RILRequest corresponding to the response
     */
    @VisibleForTesting
    public RILRequest processResponse(RadioResponseInfo responseInfo) {
        int serial = responseInfo.serial;
        int error = responseInfo.error;
        int type = responseInfo.type;

        RILRequest rr = null;

        if (type == RadioResponseType.SOLICITED_ACK) {
            synchronized (mRequestList) {
                rr = mRequestList.get(serial);
            }
            if (rr == null) {
                Rlog.w(RILJ_LOG_TAG, "Unexpected solicited ack response! sn: " + serial);
            } else {
                decrementWakeLock(rr);
                if (RILJ_LOGD) {
                    riljLog(rr.serialString() + " Ack < " + requestToString(rr.mRequest));
                }
            }
            return rr;
        }

        rr = findAndRemoveRequestFromList(serial);
        if (rr == null) {
            Rlog.e(RIL.RILJ_LOG_TAG, "processResponse: Unexpected response! serial: " + serial
                    + " error: " + error);
            return null;
        }

        // Time logging for RIL command and storing it in TelephonyHistogram.
        addToRilHistogram(rr);

        if (type == RadioResponseType.SOLICITED_ACK_EXP) {
            sendAck();
            if (RIL.RILJ_LOGD) {
                riljLog("Response received for " + rr.serialString() + " "
                        + RIL.requestToString(rr.mRequest) + " Sending ack to ril.cpp");
            }
        } else {
            // ack sent for SOLICITED_ACK_EXP above; nothing to do for SOLICITED response
        }

        // Here and below fake RIL_UNSOL_RESPONSE_SIM_STATUS_CHANGED, see b/7255789.
        // This is needed otherwise we don't automatically transition to the main lock
        // screen when the pin or puk is entered incorrectly.
        switch (rr.mRequest) {
            case RIL_REQUEST_ENTER_SIM_PUK:
            case RIL_REQUEST_ENTER_SIM_PUK2:
                if (mIccStatusChangedRegistrants != null) {
                    if (RILJ_LOGD) {
                        riljLog("ON enter sim puk fakeSimStatusChanged: reg count="
                                + mIccStatusChangedRegistrants.size());
                    }
                    mIccStatusChangedRegistrants.notifyRegistrants();
                }
                break;
            case RIL_REQUEST_SHUTDOWN:
                setRadioState(RadioState.RADIO_UNAVAILABLE);
                break;
        }

        if (error != RadioError.NONE) {
            switch (rr.mRequest) {
                case RIL_REQUEST_ENTER_SIM_PIN:
                case RIL_REQUEST_ENTER_SIM_PIN2:
                case RIL_REQUEST_CHANGE_SIM_PIN:
                case RIL_REQUEST_CHANGE_SIM_PIN2:
                case RIL_REQUEST_SET_FACILITY_LOCK:
                    if (mIccStatusChangedRegistrants != null) {
                        if (RILJ_LOGD) {
                            riljLog("ON some errors fakeSimStatusChanged: reg count="
                                    + mIccStatusChangedRegistrants.size());
                        }
                        mIccStatusChangedRegistrants.notifyRegistrants();
                    }
                    break;

            }
        } else {
            switch (rr.mRequest) {
                case RIL_REQUEST_HANGUP_FOREGROUND_RESUME_BACKGROUND:
                if (mTestingEmergencyCall.getAndSet(false)) {
                    if (mEmergencyCallbackModeRegistrant != null) {
                        riljLog("testing emergency call, notify ECM Registrants");
                        mEmergencyCallbackModeRegistrant.notifyRegistrant();
                    }
                }
            }
        }
        return rr;
    }

    /**
     * This is a helper function to be called at the end of all RadioResponse callbacks.
     * It takes care of sending error response, logging, decrementing wakelock if needed, and
     * releases the request from memory pool.
     * @param rr RILRequest for which response callback was called
     * @param responseInfo RadioResponseInfo received in the callback
     * @param ret object to be returned to request sender
     */
    @VisibleForTesting
    public void processResponseDone(RILRequest rr, RadioResponseInfo responseInfo, Object ret) {
        if (responseInfo.error == 0) {
            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "< " + requestToString(rr.mRequest)
                        + " " + retToString(rr.mRequest, ret));
            }
        } else {
            if (RILJ_LOGD) {
                riljLog(rr.serialString() + "< " + requestToString(rr.mRequest)
                        + " error " + responseInfo.error);
            }
            rr.onError(responseInfo.error, ret);
        }
        mMetrics.writeOnRilSolicitedResponse(mPhoneId, rr.mSerial, responseInfo.error,
                rr.mRequest, ret);
        if (rr != null) {
            if (responseInfo.type == RadioResponseType.SOLICITED) {
                decrementWakeLock(rr);
            }
            rr.release();
        }
    }

    /**
     * Function to send ack and acquire related wakelock
     */
    private void sendAck() {
        // TODO: Remove rr and clean up acquireWakelock for response and ack
        RILRequest rr = RILRequest.obtain(RIL_RESPONSE_ACKNOWLEDGEMENT, null,
                mRILDefaultWorkSource);
        acquireWakeLock(rr, RIL.FOR_ACK_WAKELOCK);
        IRadio radioProxy = getRadioProxy(null);
        if (radioProxy != null) {
            try {
                radioProxy.responseAcknowledgement();
            } catch (RemoteException | RuntimeException e) {
                handleRadioProxyExceptionForRR(rr, "sendAck", e);
                riljLoge("sendAck: " + e);
            }
        } else {
            Rlog.e(RILJ_LOG_TAG, "Error trying to send ack, radioProxy = null");
        }
        rr.release();
    }

    private WorkSource getDeafultWorkSourceIfInvalid(WorkSource workSource) {
        if (workSource == null) {
            workSource = mRILDefaultWorkSource;
        }

        return workSource;
    }


    /**
     * Holds a PARTIAL_WAKE_LOCK whenever
     * a) There is outstanding RIL request sent to RIL deamon and no replied
     * b) There is a request pending to be sent out.
     *
     * There is a WAKE_LOCK_TIMEOUT to release the lock, though it shouldn't
     * happen often.
     */
    private void acquireWakeLock(RILRequest rr, int wakeLockType) {
        synchronized (rr) {
            if (rr.mWakeLockType != INVALID_WAKELOCK) {
                Rlog.d(RILJ_LOG_TAG, "Failed to aquire wakelock for " + rr.serialString());
                return;
            }

            switch(wakeLockType) {
                case FOR_WAKELOCK:
                    synchronized (mWakeLock) {
                        mWakeLock.acquire();
                        mWakeLockCount++;
                        mWlSequenceNum++;

                        String clientId = rr.getWorkSourceClientId();
                        if (!mClientWakelockTracker.isClientActive(clientId)) {
                            if (mActiveWakelockWorkSource != null) {
                                mActiveWakelockWorkSource.add(rr.mWorkSource);
                            } else {
                                mActiveWakelockWorkSource = rr.mWorkSource;
                            }
                            mWakeLock.setWorkSource(mActiveWakelockWorkSource);
                        }

                        mClientWakelockTracker.startTracking(rr.mClientId,
                                rr.mRequest, rr.mSerial, mWakeLockCount);

                        Message msg = mRilHandler.obtainMessage(EVENT_WAKE_LOCK_TIMEOUT);
                        msg.arg1 = mWlSequenceNum;
                        mRilHandler.sendMessageDelayed(msg, mWakeLockTimeout);
                    }
                    break;
                case FOR_ACK_WAKELOCK:
                    synchronized (mAckWakeLock) {
                        mAckWakeLock.acquire();
                        mAckWlSequenceNum++;

                        Message msg = mRilHandler.obtainMessage(EVENT_ACK_WAKE_LOCK_TIMEOUT);
                        msg.arg1 = mAckWlSequenceNum;
                        mRilHandler.sendMessageDelayed(msg, mAckWakeLockTimeout);
                    }
                    break;
                default: //WTF
                    Rlog.w(RILJ_LOG_TAG, "Acquiring Invalid Wakelock type " + wakeLockType);
                    return;
            }
            rr.mWakeLockType = wakeLockType;
        }
    }

    /** Returns the wake lock of the given type. */
    @VisibleForTesting
    public WakeLock getWakeLock(int wakeLockType) {
        return wakeLockType == FOR_WAKELOCK ? mWakeLock : mAckWakeLock;
    }

    /** Returns the {@link RilHandler} instance. */
    @VisibleForTesting
    public RilHandler getRilHandler() {
        return mRilHandler;
    }

    /** Returns the Ril request list. */
    @VisibleForTesting
    public SparseArray<RILRequest> getRilRequestList() {
        return mRequestList;
    }

    private void decrementWakeLock(RILRequest rr) {
        synchronized (rr) {
            switch(rr.mWakeLockType) {
                case FOR_WAKELOCK:
                    synchronized (mWakeLock) {
                        mClientWakelockTracker.stopTracking(rr.mClientId,
                                rr.mRequest, rr.mSerial,
                                (mWakeLockCount > 1) ? mWakeLockCount - 1 : 0);
                        String clientId = rr.getWorkSourceClientId();
                        if (!mClientWakelockTracker.isClientActive(clientId)
                                && (mActiveWakelockWorkSource != null)) {
                            mActiveWakelockWorkSource.remove(rr.mWorkSource);
                            if (mActiveWakelockWorkSource.size() == 0) {
                                mActiveWakelockWorkSource = null;
                            }
                            mWakeLock.setWorkSource(mActiveWakelockWorkSource);
                        }

                        if (mWakeLockCount > 1) {
                            mWakeLockCount--;
                        } else {
                            mWakeLockCount = 0;
                            mWakeLock.release();
                        }
                    }
                    break;
                case FOR_ACK_WAKELOCK:
                    //We do not decrement the ACK wakelock
                    break;
                case INVALID_WAKELOCK:
                    break;
                default:
                    Rlog.w(RILJ_LOG_TAG, "Decrementing Invalid Wakelock type " + rr.mWakeLockType);
            }
            rr.mWakeLockType = INVALID_WAKELOCK;
        }
    }

    private boolean clearWakeLock(int wakeLockType) {
        if (wakeLockType == FOR_WAKELOCK) {
            synchronized (mWakeLock) {
                if (mWakeLockCount == 0 && !mWakeLock.isHeld()) return false;
                Rlog.d(RILJ_LOG_TAG, "NOTE: mWakeLockCount is " + mWakeLockCount
                        + "at time of clearing");
                mWakeLockCount = 0;
                mWakeLock.release();
                mClientWakelockTracker.stopTrackingAll();
                mActiveWakelockWorkSource = null;
                return true;
            }
        } else {
            synchronized (mAckWakeLock) {
                if (!mAckWakeLock.isHeld()) return false;
                mAckWakeLock.release();
                return true;
            }
        }
    }

    /**
     * Release each request in mRequestList then clear the list
     * @param error is the RIL_Errno sent back
     * @param loggable true means to print all requests in mRequestList
     */
    private void clearRequestList(int error, boolean loggable) {
        RILRequest rr;
        synchronized (mRequestList) {
            int count = mRequestList.size();
            if (RILJ_LOGD && loggable) {
                Rlog.d(RILJ_LOG_TAG, "clearRequestList " + " mWakeLockCount="
                        + mWakeLockCount + " mRequestList=" + count);
            }

            for (int i = 0; i < count; i++) {
                rr = mRequestList.valueAt(i);
                if (RILJ_LOGD && loggable) {
                    Rlog.d(RILJ_LOG_TAG, i + ": [" + rr.mSerial + "] "
                            + requestToString(rr.mRequest));
                }
                rr.onError(error, null);
                decrementWakeLock(rr);
                rr.release();
            }
            mRequestList.clear();
        }
    }

    private RILRequest findAndRemoveRequestFromList(int serial) {
        RILRequest rr = null;
        synchronized (mRequestList) {
            rr = mRequestList.get(serial);
            if (rr != null) {
                mRequestList.remove(serial);
            }
        }

        return rr;
    }

    private void addToRilHistogram(RILRequest rr) {
        long endTime = SystemClock.elapsedRealtime();
        int totalTime = (int) (endTime - rr.mStartTimeMs);

        synchronized (mRilTimeHistograms) {
            TelephonyHistogram entry = mRilTimeHistograms.get(rr.mRequest);
            if (entry == null) {
                // We would have total #RIL_HISTOGRAM_BUCKET_COUNT range buckets for RIL commands
                entry = new TelephonyHistogram(TelephonyHistogram.TELEPHONY_CATEGORY_RIL,
                        rr.mRequest, RIL_HISTOGRAM_BUCKET_COUNT);
                mRilTimeHistograms.put(rr.mRequest, entry);
            }
            entry.addTimeTaken(totalTime);
        }
    }

    RadioCapability makeStaticRadioCapability() {
        // default to UNKNOWN so we fail fast.
        int raf = RadioAccessFamily.RAF_UNKNOWN;

        String rafString = mContext.getResources().getString(
                com.android.internal.R.string.config_radio_access_family);
        if (!TextUtils.isEmpty(rafString)) {
            raf = RadioAccessFamily.rafTypeFromString(rafString);
        }
        RadioCapability rc = new RadioCapability(mPhoneId.intValue(), 0, 0, raf,
                "", RadioCapability.RC_STATUS_SUCCESS);
        if (RILJ_LOGD) riljLog("Faking RIL_REQUEST_GET_RADIO_CAPABILITY response using " + raf);
        return rc;
    }

    static String retToString(int req, Object ret) {
        if (ret == null) return "";
        switch (req) {
            // Don't log these return values, for privacy's sake.
            case RIL_REQUEST_GET_IMSI:
            case RIL_REQUEST_GET_IMEI:
            case RIL_REQUEST_GET_IMEISV:
            case RIL_REQUEST_SIM_OPEN_CHANNEL:
            case RIL_REQUEST_SIM_TRANSMIT_APDU_CHANNEL:

                if (!RILJ_LOGV) {
                    // If not versbose logging just return and don't display IMSI and IMEI, IMEISV
                    return "";
                }
        }

        StringBuilder sb;
        String s;
        int length;
        if (ret instanceof int[]) {
            int[] intArray = (int[]) ret;
            length = intArray.length;
            sb = new StringBuilder("{");
            if (length > 0) {
                int i = 0;
                sb.append(intArray[i++]);
                while (i < length) {
                    sb.append(", ").append(intArray[i++]);
                }
            }
            sb.append("}");
            s = sb.toString();
        } else if (ret instanceof String[]) {
            String[] strings = (String[]) ret;
            length = strings.length;
            sb = new StringBuilder("{");
            if (length > 0) {
                int i = 0;
                sb.append(strings[i++]);
                while (i < length) {
                    sb.append(", ").append(strings[i++]);
                }
            }
            sb.append("}");
            s = sb.toString();
        } else if (req == RIL_REQUEST_GET_CURRENT_CALLS) {
            ArrayList<DriverCall> calls = (ArrayList<DriverCall>) ret;
            sb = new StringBuilder("{");
            for (DriverCall dc : calls) {
                sb.append("[").append(dc).append("] ");
            }
            sb.append("}");
            s = sb.toString();
        } else if (req == RIL_REQUEST_GET_NEIGHBORING_CELL_IDS) {
            ArrayList<NeighboringCellInfo> cells = (ArrayList<NeighboringCellInfo>) ret;
            sb = new StringBuilder("{");
            for (NeighboringCellInfo cell : cells) {
                sb.append("[").append(cell).append("] ");
            }
            sb.append("}");
            s = sb.toString();
        } else if (req == RIL_REQUEST_QUERY_CALL_FORWARD_STATUS) {
            CallForwardInfo[] cinfo = (CallForwardInfo[]) ret;
            length = cinfo.length;
            sb = new StringBuilder("{");
            for (int i = 0; i < length; i++) {
                sb.append("[").append(cinfo[i]).append("] ");
            }
            sb.append("}");
            s = sb.toString();
        } else if (req == RIL_REQUEST_GET_HARDWARE_CONFIG) {
            ArrayList<HardwareConfig> hwcfgs = (ArrayList<HardwareConfig>) ret;
            sb = new StringBuilder(" ");
            for (HardwareConfig hwcfg : hwcfgs) {
                sb.append("[").append(hwcfg).append("] ");
            }
            s = sb.toString();
        } else {
            s = ret.toString();
        }
        return s;
    }

    void writeMetricsNewSms(int tech, int format) {
        mMetrics.writeRilNewSms(mPhoneId, tech, format);
    }

    void writeMetricsCallRing(char[] response) {
        mMetrics.writeRilCallRing(mPhoneId, response);
    }

    void writeMetricsSrvcc(int state) {
        mMetrics.writeRilSrvcc(mPhoneId, state);
    }

    void writeMetricsModemRestartEvent(String reason) {
        mMetrics.writeModemRestartEvent(mPhoneId, reason);
    }

    /**
     * Notify all registrants that the ril has connected or disconnected.
     *
     * @param rilVer is the version of the ril or -1 if disconnected.
     */
    void notifyRegistrantsRilConnectionChanged(int rilVer) {
        mRilVersion = rilVer;
        if (mRilConnectedRegistrants != null) {
            mRilConnectedRegistrants.notifyRegistrants(
                    new AsyncResult(null, new Integer(rilVer), null));
        }
    }

    void
    notifyRegistrantsCdmaInfoRec(CdmaInformationRecords infoRec) {
        int response = RIL_UNSOL_CDMA_INFO_REC;
        if (infoRec.record instanceof CdmaInformationRecords.CdmaDisplayInfoRec) {
            if (mDisplayInfoRegistrants != null) {
                if (RILJ_LOGD) unsljLogRet(response, infoRec.record);
                mDisplayInfoRegistrants.notifyRegistrants(
                        new AsyncResult(null, infoRec.record, null));
            }
        } else if (infoRec.record instanceof CdmaInformationRecords.CdmaSignalInfoRec) {
            if (mSignalInfoRegistrants != null) {
                if (RILJ_LOGD) unsljLogRet(response, infoRec.record);
                mSignalInfoRegistrants.notifyRegistrants(
                        new AsyncResult(null, infoRec.record, null));
            }
        } else if (infoRec.record instanceof CdmaInformationRecords.CdmaNumberInfoRec) {
            if (mNumberInfoRegistrants != null) {
                if (RILJ_LOGD) unsljLogRet(response, infoRec.record);
                mNumberInfoRegistrants.notifyRegistrants(
                        new AsyncResult(null, infoRec.record, null));
            }
        } else if (infoRec.record instanceof CdmaInformationRecords.CdmaRedirectingNumberInfoRec) {
            if (mRedirNumInfoRegistrants != null) {
                if (RILJ_LOGD) unsljLogRet(response, infoRec.record);
                mRedirNumInfoRegistrants.notifyRegistrants(
                        new AsyncResult(null, infoRec.record, null));
            }
        } else if (infoRec.record instanceof CdmaInformationRecords.CdmaLineControlInfoRec) {
            if (mLineControlInfoRegistrants != null) {
                if (RILJ_LOGD) unsljLogRet(response, infoRec.record);
                mLineControlInfoRegistrants.notifyRegistrants(
                        new AsyncResult(null, infoRec.record, null));
            }
        } else if (infoRec.record instanceof CdmaInformationRecords.CdmaT53ClirInfoRec) {
            if (mT53ClirInfoRegistrants != null) {
                if (RILJ_LOGD) unsljLogRet(response, infoRec.record);
                mT53ClirInfoRegistrants.notifyRegistrants(
                        new AsyncResult(null, infoRec.record, null));
            }
        } else if (infoRec.record instanceof CdmaInformationRecords.CdmaT53AudioControlInfoRec) {
            if (mT53AudCntrlInfoRegistrants != null) {
                if (RILJ_LOGD) {
                    unsljLogRet(response, infoRec.record);
                }
                mT53AudCntrlInfoRegistrants.notifyRegistrants(
                        new AsyncResult(null, infoRec.record, null));
            }
        }
    }

    static String requestToString(int request) {
        switch(request) {
            case RIL_REQUEST_GET_SIM_STATUS:
                return "GET_SIM_STATUS";
            case RIL_REQUEST_ENTER_SIM_PIN:
                return "ENTER_SIM_PIN";
            case RIL_REQUEST_ENTER_SIM_PUK:
                return "ENTER_SIM_PUK";
            case RIL_REQUEST_ENTER_SIM_PIN2:
                return "ENTER_SIM_PIN2";
            case RIL_REQUEST_ENTER_SIM_PUK2:
                return "ENTER_SIM_PUK2";
            case RIL_REQUEST_CHANGE_SIM_PIN:
                return "CHANGE_SIM_PIN";
            case RIL_REQUEST_CHANGE_SIM_PIN2:
                return "CHANGE_SIM_PIN2";
            case RIL_REQUEST_ENTER_NETWORK_DEPERSONALIZATION:
                return "ENTER_NETWORK_DEPERSONALIZATION";
            case RIL_REQUEST_GET_CURRENT_CALLS:
                return "GET_CURRENT_CALLS";
            case RIL_REQUEST_DIAL:
                return "DIAL";
            case RIL_REQUEST_GET_IMSI:
                return "GET_IMSI";
            case RIL_REQUEST_HANGUP:
                return "HANGUP";
            case RIL_REQUEST_HANGUP_WAITING_OR_BACKGROUND:
                return "HANGUP_WAITING_OR_BACKGROUND";
            case RIL_REQUEST_HANGUP_FOREGROUND_RESUME_BACKGROUND:
                return "HANGUP_FOREGROUND_RESUME_BACKGROUND";
            case RIL_REQUEST_SWITCH_WAITING_OR_HOLDING_AND_ACTIVE:
                return "REQUEST_SWITCH_WAITING_OR_HOLDING_AND_ACTIVE";
            case RIL_REQUEST_CONFERENCE:
                return "CONFERENCE";
            case RIL_REQUEST_UDUB:
                return "UDUB";
            case RIL_REQUEST_LAST_CALL_FAIL_CAUSE:
                return "LAST_CALL_FAIL_CAUSE";
            case RIL_REQUEST_SIGNAL_STRENGTH:
                return "SIGNAL_STRENGTH";
            case RIL_REQUEST_VOICE_REGISTRATION_STATE:
                return "VOICE_REGISTRATION_STATE";
            case RIL_REQUEST_DATA_REGISTRATION_STATE:
                return "DATA_REGISTRATION_STATE";
            case RIL_REQUEST_OPERATOR:
                return "OPERATOR";
            case RIL_REQUEST_RADIO_POWER:
                return "RADIO_POWER";
            case RIL_REQUEST_DTMF:
                return "DTMF";
            case RIL_REQUEST_SEND_SMS:
                return "SEND_SMS";
            case RIL_REQUEST_SEND_SMS_EXPECT_MORE:
                return "SEND_SMS_EXPECT_MORE";
            case RIL_REQUEST_SETUP_DATA_CALL:
                return "SETUP_DATA_CALL";
            case RIL_REQUEST_SIM_IO:
                return "SIM_IO";
            case RIL_REQUEST_SEND_USSD:
                return "SEND_USSD";
            case RIL_REQUEST_CANCEL_USSD:
                return "CANCEL_USSD";
            case RIL_REQUEST_GET_CLIR:
                return "GET_CLIR";
            case RIL_REQUEST_SET_CLIR:
                return "SET_CLIR";
            case RIL_REQUEST_QUERY_CALL_FORWARD_STATUS:
                return "QUERY_CALL_FORWARD_STATUS";
            case RIL_REQUEST_SET_CALL_FORWARD:
                return "SET_CALL_FORWARD";
            case RIL_REQUEST_QUERY_CALL_WAITING:
                return "QUERY_CALL_WAITING";
            case RIL_REQUEST_SET_CALL_WAITING:
                return "SET_CALL_WAITING";
            case RIL_REQUEST_SMS_ACKNOWLEDGE:
                return "SMS_ACKNOWLEDGE";
            case RIL_REQUEST_GET_IMEI:
                return "GET_IMEI";
            case RIL_REQUEST_GET_IMEISV:
                return "GET_IMEISV";
            case RIL_REQUEST_ANSWER:
                return "ANSWER";
            case RIL_REQUEST_DEACTIVATE_DATA_CALL:
                return "DEACTIVATE_DATA_CALL";
            case RIL_REQUEST_QUERY_FACILITY_LOCK:
                return "QUERY_FACILITY_LOCK";
            case RIL_REQUEST_SET_FACILITY_LOCK:
                return "SET_FACILITY_LOCK";
            case RIL_REQUEST_CHANGE_BARRING_PASSWORD:
                return "CHANGE_BARRING_PASSWORD";
            case RIL_REQUEST_QUERY_NETWORK_SELECTION_MODE:
                return "QUERY_NETWORK_SELECTION_MODE";
            case RIL_REQUEST_SET_NETWORK_SELECTION_AUTOMATIC:
                return "SET_NETWORK_SELECTION_AUTOMATIC";
            case RIL_REQUEST_SET_NETWORK_SELECTION_MANUAL:
                return "SET_NETWORK_SELECTION_MANUAL";
            case RIL_REQUEST_QUERY_AVAILABLE_NETWORKS :
                return "QUERY_AVAILABLE_NETWORKS ";
            case RIL_REQUEST_DTMF_START:
                return "DTMF_START";
            case RIL_REQUEST_DTMF_STOP:
                return "DTMF_STOP";
            case RIL_REQUEST_BASEBAND_VERSION:
                return "BASEBAND_VERSION";
            case RIL_REQUEST_SEPARATE_CONNECTION:
                return "SEPARATE_CONNECTION";
            case RIL_REQUEST_SET_MUTE:
                return "SET_MUTE";
            case RIL_REQUEST_GET_MUTE:
                return "GET_MUTE";
            case RIL_REQUEST_QUERY_CLIP:
                return "QUERY_CLIP";
            case RIL_REQUEST_LAST_DATA_CALL_FAIL_CAUSE:
                return "LAST_DATA_CALL_FAIL_CAUSE";
            case RIL_REQUEST_DATA_CALL_LIST:
                return "DATA_CALL_LIST";
            case RIL_REQUEST_RESET_RADIO:
                return "RESET_RADIO";
            case RIL_REQUEST_OEM_HOOK_RAW:
                return "OEM_HOOK_RAW";
            case RIL_REQUEST_OEM_HOOK_STRINGS:
                return "OEM_HOOK_STRINGS";
            case RIL_REQUEST_SCREEN_STATE:
                return "SCREEN_STATE";
            case RIL_REQUEST_SET_SUPP_SVC_NOTIFICATION:
                return "SET_SUPP_SVC_NOTIFICATION";
            case RIL_REQUEST_WRITE_SMS_TO_SIM:
                return "WRITE_SMS_TO_SIM";
            case RIL_REQUEST_DELETE_SMS_ON_SIM:
                return "DELETE_SMS_ON_SIM";
            case RIL_REQUEST_SET_BAND_MODE:
                return "SET_BAND_MODE";
            case RIL_REQUEST_QUERY_AVAILABLE_BAND_MODE:
                return "QUERY_AVAILABLE_BAND_MODE";
            case RIL_REQUEST_STK_GET_PROFILE:
                return "REQUEST_STK_GET_PROFILE";
            case RIL_REQUEST_STK_SET_PROFILE:
                return "REQUEST_STK_SET_PROFILE";
            case RIL_REQUEST_STK_SEND_ENVELOPE_COMMAND:
                return "REQUEST_STK_SEND_ENVELOPE_COMMAND";
            case RIL_REQUEST_STK_SEND_TERMINAL_RESPONSE:
                return "REQUEST_STK_SEND_TERMINAL_RESPONSE";
            case RIL_REQUEST_STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM:
                return "REQUEST_STK_HANDLE_CALL_SETUP_REQUESTED_FROM_SIM";
            case RIL_REQUEST_EXPLICIT_CALL_TRANSFER: return "REQUEST_EXPLICIT_CALL_TRANSFER";
            case RIL_REQUEST_SET_PREFERRED_NETWORK_TYPE:
                return "REQUEST_SET_PREFERRED_NETWORK_TYPE";
            case RIL_REQUEST_GET_PREFERRED_NETWORK_TYPE:
                return "REQUEST_GET_PREFERRED_NETWORK_TYPE";
            case RIL_REQUEST_GET_NEIGHBORING_CELL_IDS:
                return "REQUEST_GET_NEIGHBORING_CELL_IDS";
            case RIL_REQUEST_SET_LOCATION_UPDATES:
                return "REQUEST_SET_LOCATION_UPDATES";
            case RIL_REQUEST_CDMA_SET_SUBSCRIPTION_SOURCE:
                return "RIL_REQUEST_CDMA_SET_SUBSCRIPTION_SOURCE";
            case RIL_REQUEST_CDMA_SET_ROAMING_PREFERENCE:
                return "RIL_REQUEST_CDMA_SET_ROAMING_PREFERENCE";
            case RIL_REQUEST_CDMA_QUERY_ROAMING_PREFERENCE:
                return "RIL_REQUEST_CDMA_QUERY_ROAMING_PREFERENCE";
            case RIL_REQUEST_SET_TTY_MODE:
                return "RIL_REQUEST_SET_TTY_MODE";
            case RIL_REQUEST_QUERY_TTY_MODE:
                return "RIL_REQUEST_QUERY_TTY_MODE";
            case RIL_REQUEST_CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE:
                return "RIL_REQUEST_CDMA_SET_PREFERRED_VOICE_PRIVACY_MODE";
            case RIL_REQUEST_CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE:
                return "RIL_REQUEST_CDMA_QUERY_PREFERRED_VOICE_PRIVACY_MODE";
            case RIL_REQUEST_CDMA_FLASH:
                return "RIL_REQUEST_CDMA_FLASH";
            case RIL_REQUEST_CDMA_BURST_DTMF:
                return "RIL_REQUEST_CDMA_BURST_DTMF";
            case RIL_REQUEST_CDMA_SEND_SMS:
                return "RIL_REQUEST_CDMA_SEND_SMS";
            case RIL_REQUEST_CDMA_SMS_ACKNOWLEDGE:
                return "RIL_REQUEST_CDMA_SMS_ACKNOWLEDGE";
            case RIL_REQUEST_GSM_GET_BROADCAST_CONFIG:
                return "RIL_REQUEST_GSM_GET_BROADCAST_CONFIG";
            case RIL_REQUEST_GSM_SET_BROADCAST_CONFIG:
                return "RIL_REQUEST_GSM_SET_BROADCAST_CONFIG";
            case RIL_REQUEST_CDMA_GET_BROADCAST_CONFIG:
                return "RIL_REQUEST_CDMA_GET_BROADCAST_CONFIG";
            case RIL_REQUEST_CDMA_SET_BROADCAST_CONFIG:
                return "RIL_REQUEST_CDMA_SET_BROADCAST_CONFIG";
            case RIL_REQUEST_GSM_BROADCAST_ACTIVATION:
                return "RIL_REQUEST_GSM_BROADCAST_ACTIVATION";
            case RIL_REQUEST_CDMA_VALIDATE_AND_WRITE_AKEY:
                return "RIL_REQUEST_CDMA_VALIDATE_AND_WRITE_AKEY";
            case RIL_REQUEST_CDMA_BROADCAST_ACTIVATION:
                return "RIL_REQUEST_CDMA_BROADCAST_ACTIVATION";
            case RIL_REQUEST_CDMA_SUBSCRIPTION:
                return "RIL_REQUEST_CDMA_SUBSCRIPTION";
            case RIL_REQUEST_CDMA_WRITE_SMS_TO_RUIM:
                return "RIL_REQUEST_CDMA_WRITE_SMS_TO_RUIM";
            case RIL_REQUEST_CDMA_DELETE_SMS_ON_RUIM:
                return "RIL_REQUEST_CDMA_DELETE_SMS_ON_RUIM";
            case RIL_REQUEST_DEVICE_IDENTITY:
                return "RIL_REQUEST_DEVICE_IDENTITY";
            case RIL_REQUEST_GET_SMSC_ADDRESS:
                return "RIL_REQUEST_GET_SMSC_ADDRESS";
            case RIL_REQUEST_SET_SMSC_ADDRESS:
                return "RIL_REQUEST_SET_SMSC_ADDRESS";
            case RIL_REQUEST_EXIT_EMERGENCY_CALLBACK_MODE:
                return "REQUEST_EXIT_EMERGENCY_CALLBACK_MODE";
            case RIL_REQUEST_REPORT_SMS_MEMORY_STATUS:
                return "RIL_REQUEST_REPORT_SMS_MEMORY_STATUS";
            case RIL_REQUEST_REPORT_STK_SERVICE_IS_RUNNING:
                return "RIL_REQUEST_REPORT_STK_SERVICE_IS_RUNNING";
            case RIL_REQUEST_CDMA_GET_SUBSCRIPTION_SOURCE:
                return "RIL_REQUEST_CDMA_GET_SUBSCRIPTION_SOURCE";
            case RIL_REQUEST_ISIM_AUTHENTICATION:
                return "RIL_REQUEST_ISIM_AUTHENTICATION";
            case RIL_REQUEST_ACKNOWLEDGE_INCOMING_GSM_SMS_WITH_PDU:
                return "RIL_REQUEST_ACKNOWLEDGE_INCOMING_GSM_SMS_WITH_PDU";
            case RIL_REQUEST_STK_SEND_ENVELOPE_WITH_STATUS:
                return "RIL_REQUEST_STK_SEND_ENVELOPE_WITH_STATUS";
            case RIL_REQUEST_VOICE_RADIO_TECH:
                return "RIL_REQUEST_VOICE_RADIO_TECH";
            case RIL_REQUEST_GET_CELL_INFO_LIST:
                return "RIL_REQUEST_GET_CELL_INFO_LIST";
            case RIL_REQUEST_SET_UNSOL_CELL_INFO_LIST_RATE:
                return "RIL_REQUEST_SET_CELL_INFO_LIST_RATE";
            case RIL_REQUEST_SET_INITIAL_ATTACH_APN:
                return "RIL_REQUEST_SET_INITIAL_ATTACH_APN";
            case RIL_REQUEST_SET_DATA_PROFILE:
                return "RIL_REQUEST_SET_DATA_PROFILE";
            case RIL_REQUEST_IMS_REGISTRATION_STATE:
                return "RIL_REQUEST_IMS_REGISTRATION_STATE";
            case RIL_REQUEST_IMS_SEND_SMS:
                return "RIL_REQUEST_IMS_SEND_SMS";
            case RIL_REQUEST_SIM_TRANSMIT_APDU_BASIC:
                return "RIL_REQUEST_SIM_TRANSMIT_APDU_BASIC";
            case RIL_REQUEST_SIM_OPEN_CHANNEL:
                return "RIL_REQUEST_SIM_OPEN_CHANNEL";
            case RIL_REQUEST_SIM_CLOSE_CHANNEL:
                return "RIL_REQUEST_SIM_CLOSE_CHANNEL";
            case RIL_REQUEST_SIM_TRANSMIT_APDU_CHANNEL:
                return "RIL_REQUEST_SIM_TRANSMIT_APDU_CHANNEL";
            case RIL_REQUEST_NV_READ_ITEM:
                return "RIL_REQUEST_NV_READ_ITEM";
            case RIL_REQUEST_NV_WRITE_ITEM:
                return "RIL_REQUEST_NV_WRITE_ITEM";
            case RIL_REQUEST_NV_WRITE_CDMA_PRL:
                return "RIL_REQUEST_NV_WRITE_CDMA_PRL";
            case RIL_REQUEST_NV_RESET_CONFIG:
                return "RIL_REQUEST_NV_RESET_CONFIG";
            case RIL_REQUEST_SET_UICC_SUBSCRIPTION:
                return "RIL_REQUEST_SET_UICC_SUBSCRIPTION";
            case RIL_REQUEST_ALLOW_DATA:
                return "RIL_REQUEST_ALLOW_DATA";
            case RIL_REQUEST_GET_HARDWARE_CONFIG:
                return "GET_HARDWARE_CONFIG";
            case RIL_REQUEST_SIM_AUTHENTICATION:
                return "RIL_REQUEST_SIM_AUTHENTICATION";
            case RIL_REQUEST_SHUTDOWN:
                return "RIL_REQUEST_SHUTDOWN";
            case RIL_REQUEST_SET_RADIO_CAPABILITY:
                return "RIL_REQUEST_SET_RADIO_CAPABILITY";
            case RIL_REQUEST_GET_RADIO_CAPABILITY:
                return "RIL_REQUEST_GET_RADIO_CAPABILITY";
            case RIL_REQUEST_START_LCE:
                return "RIL_REQUEST_START_LCE";
            case RIL_REQUEST_STOP_LCE:
                return "RIL_REQUEST_STOP_LCE";
            case RIL_REQUEST_PULL_LCEDATA:
                return "RIL_REQUEST_PULL_LCEDATA";
            case RIL_REQUEST_GET_ACTIVITY_INFO:
                return "RIL_REQUEST_GET_ACTIVITY_INFO";
            case RIL_REQUEST_SET_ALLOWED_CARRIERS:
                return "RIL_REQUEST_SET_ALLOWED_CARRIERS";
            case RIL_REQUEST_GET_ALLOWED_CARRIERS:
                return "RIL_REQUEST_GET_ALLOWED_CARRIERS";
            case RIL_REQUEST_SET_SIM_CARD_POWER:
                return "RIL_REQUEST_SET_SIM_CARD_POWER";
            case RIL_REQUEST_SEND_DEVICE_STATE:
                return "RIL_REQUEST_SEND_DEVICE_STATE";
            case RIL_REQUEST_SET_UNSOLICITED_RESPONSE_FILTER:
                return "RIL_REQUEST_SET_UNSOLICITED_RESPONSE_FILTER";
            case RIL_RESPONSE_ACKNOWLEDGEMENT:
                return "RIL_RESPONSE_ACKNOWLEDGEMENT";
            case RIL_REQUEST_SET_CARRIER_INFO_IMSI_ENCRYPTION:
                return "RIL_REQUEST_SET_CARRIER_INFO_IMSI_ENCRYPTION";
            case RIL_REQUEST_START_NETWORK_SCAN:
                return "RIL_REQUEST_START_NETWORK_SCAN";
            case RIL_REQUEST_STOP_NETWORK_SCAN:
                return "RIL_REQUEST_STOP_NETWORK_SCAN";
            case RIL_REQUEST_GET_SLOT_STATUS:
                return "RIL_REQUEST_GET_SLOT_STATUS";
            case RIL_REQUEST_SET_LOGICAL_TO_PHYSICAL_SLOT_MAPPING:
                return "RIL_REQUEST_SET_LOGICAL_TO_PHYSICAL_SLOT_MAPPING";
            case RIL_REQUEST_START_KEEPALIVE:
                return "RIL_REQUEST_START_KEEPALIVE";
            case RIL_REQUEST_STOP_KEEPALIVE:
                return "RIL_REQUEST_STOP_KEEPALIVE";
            case RIL_REQUEST_SET_SIGNAL_STRENGTH_REPORTING_CRITERIA:
                return "RIL_REQUEST_SET_SIGNAL_STRENGTH_REPORTING_CRITERIA";
            case RIL_REQUEST_SET_LINK_CAPACITY_REPORTING_CRITERIA:
                return "RIL_REQUEST_SET_LINK_CAPACITY_REPORTING_CRITERIA";
            default: return "<unknown request>";
        }
    }

    static String responseToString(int request) {
        switch(request) {
            case RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED:
                return "UNSOL_RESPONSE_RADIO_STATE_CHANGED";
            case RIL_UNSOL_RESPONSE_CALL_STATE_CHANGED:
                return "UNSOL_RESPONSE_CALL_STATE_CHANGED";
            case RIL_UNSOL_RESPONSE_NETWORK_STATE_CHANGED:
                return "UNSOL_RESPONSE_NETWORK_STATE_CHANGED";
            case RIL_UNSOL_RESPONSE_NEW_SMS:
                return "UNSOL_RESPONSE_NEW_SMS";
            case RIL_UNSOL_RESPONSE_NEW_SMS_STATUS_REPORT:
                return "UNSOL_RESPONSE_NEW_SMS_STATUS_REPORT";
            case RIL_UNSOL_RESPONSE_NEW_SMS_ON_SIM:
                return "UNSOL_RESPONSE_NEW_SMS_ON_SIM";
            case RIL_UNSOL_ON_USSD:
                return "UNSOL_ON_USSD";
            case RIL_UNSOL_ON_USSD_REQUEST:
                return "UNSOL_ON_USSD_REQUEST";
            case RIL_UNSOL_NITZ_TIME_RECEIVED:
                return "UNSOL_NITZ_TIME_RECEIVED";
            case RIL_UNSOL_SIGNAL_STRENGTH:
                return "UNSOL_SIGNAL_STRENGTH";
            case RIL_UNSOL_DATA_CALL_LIST_CHANGED:
                return "UNSOL_DATA_CALL_LIST_CHANGED";
            case RIL_UNSOL_SUPP_SVC_NOTIFICATION:
                return "UNSOL_SUPP_SVC_NOTIFICATION";
            case RIL_UNSOL_STK_SESSION_END:
                return "UNSOL_STK_SESSION_END";
            case RIL_UNSOL_STK_PROACTIVE_COMMAND:
                return "UNSOL_STK_PROACTIVE_COMMAND";
            case RIL_UNSOL_STK_EVENT_NOTIFY:
                return "UNSOL_STK_EVENT_NOTIFY";
            case RIL_UNSOL_STK_CALL_SETUP:
                return "UNSOL_STK_CALL_SETUP";
            case RIL_UNSOL_SIM_SMS_STORAGE_FULL:
                return "UNSOL_SIM_SMS_STORAGE_FULL";
            case RIL_UNSOL_SIM_REFRESH:
                return "UNSOL_SIM_REFRESH";
            case RIL_UNSOL_CALL_RING:
                return "UNSOL_CALL_RING";
            case RIL_UNSOL_RESPONSE_SIM_STATUS_CHANGED:
                return "UNSOL_RESPONSE_SIM_STATUS_CHANGED";
            case RIL_UNSOL_RESPONSE_CDMA_NEW_SMS:
                return "UNSOL_RESPONSE_CDMA_NEW_SMS";
            case RIL_UNSOL_RESPONSE_NEW_BROADCAST_SMS:
                return "UNSOL_RESPONSE_NEW_BROADCAST_SMS";
            case RIL_UNSOL_CDMA_RUIM_SMS_STORAGE_FULL:
                return "UNSOL_CDMA_RUIM_SMS_STORAGE_FULL";
            case RIL_UNSOL_RESTRICTED_STATE_CHANGED:
                return "UNSOL_RESTRICTED_STATE_CHANGED";
            case RIL_UNSOL_ENTER_EMERGENCY_CALLBACK_MODE:
                return "UNSOL_ENTER_EMERGENCY_CALLBACK_MODE";
            case RIL_UNSOL_CDMA_CALL_WAITING:
                return "UNSOL_CDMA_CALL_WAITING";
            case RIL_UNSOL_CDMA_OTA_PROVISION_STATUS:
                return "UNSOL_CDMA_OTA_PROVISION_STATUS";
            case RIL_UNSOL_CDMA_INFO_REC:
                return "UNSOL_CDMA_INFO_REC";
            case RIL_UNSOL_OEM_HOOK_RAW:
                return "UNSOL_OEM_HOOK_RAW";
            case RIL_UNSOL_RINGBACK_TONE:
                return "UNSOL_RINGBACK_TONE";
            case RIL_UNSOL_RESEND_INCALL_MUTE:
                return "UNSOL_RESEND_INCALL_MUTE";
            case RIL_UNSOL_CDMA_SUBSCRIPTION_SOURCE_CHANGED:
                return "CDMA_SUBSCRIPTION_SOURCE_CHANGED";
            case RIL_UNSOl_CDMA_PRL_CHANGED:
                return "UNSOL_CDMA_PRL_CHANGED";
            case RIL_UNSOL_EXIT_EMERGENCY_CALLBACK_MODE:
                return "UNSOL_EXIT_EMERGENCY_CALLBACK_MODE";
            case RIL_UNSOL_RIL_CONNECTED:
                return "UNSOL_RIL_CONNECTED";
            case RIL_UNSOL_VOICE_RADIO_TECH_CHANGED:
                return "UNSOL_VOICE_RADIO_TECH_CHANGED";
            case RIL_UNSOL_CELL_INFO_LIST:
                return "UNSOL_CELL_INFO_LIST";
            case RIL_UNSOL_RESPONSE_IMS_NETWORK_STATE_CHANGED:
                return "UNSOL_RESPONSE_IMS_NETWORK_STATE_CHANGED";
            case RIL_UNSOL_UICC_SUBSCRIPTION_STATUS_CHANGED:
                return "RIL_UNSOL_UICC_SUBSCRIPTION_STATUS_CHANGED";
            case RIL_UNSOL_SRVCC_STATE_NOTIFY:
                return "UNSOL_SRVCC_STATE_NOTIFY";
            case RIL_UNSOL_HARDWARE_CONFIG_CHANGED:
                return "RIL_UNSOL_HARDWARE_CONFIG_CHANGED";
            case RIL_UNSOL_RADIO_CAPABILITY:
                return "RIL_UNSOL_RADIO_CAPABILITY";
            case RIL_UNSOL_ON_SS:
                return "UNSOL_ON_SS";
            case RIL_UNSOL_STK_CC_ALPHA_NOTIFY:
                return "UNSOL_STK_CC_ALPHA_NOTIFY";
            case RIL_UNSOL_LCEDATA_RECV:
                return "UNSOL_LCE_INFO_RECV";
            case RIL_UNSOL_PCO_DATA:
                return "UNSOL_PCO_DATA";
            case RIL_UNSOL_MODEM_RESTART:
                return "UNSOL_MODEM_RESTART";
            case RIL_UNSOL_CARRIER_INFO_IMSI_ENCRYPTION:
                return "RIL_UNSOL_CARRIER_INFO_IMSI_ENCRYPTION";
            case RIL_UNSOL_NETWORK_SCAN_RESULT:
                return "RIL_UNSOL_NETWORK_SCAN_RESULT";
            case RIL_UNSOL_ICC_SLOT_STATUS:
                return "RIL_UNSOL_ICC_SLOT_STATUS";
            case RIL_UNSOL_KEEPALIVE_STATUS:
                return "RIL_UNSOL_KEEPALIVE_STATUS";
            default:
                return "<unknown response>";
        }
    }

    void riljLog(String msg) {
        Rlog.d(RILJ_LOG_TAG, msg
                + (mPhoneId != null ? (" [SUB" + mPhoneId + "]") : ""));
    }

    void riljLoge(String msg) {
        Rlog.e(RILJ_LOG_TAG, msg
                + (mPhoneId != null ? (" [SUB" + mPhoneId + "]") : ""));
    }

    void riljLoge(String msg, Exception e) {
        Rlog.e(RILJ_LOG_TAG, msg
                + (mPhoneId != null ? (" [SUB" + mPhoneId + "]") : ""), e);
    }

    void riljLogv(String msg) {
        Rlog.v(RILJ_LOG_TAG, msg
                + (mPhoneId != null ? (" [SUB" + mPhoneId + "]") : ""));
    }

    void unsljLog(int response) {
        riljLog("[UNSL]< " + responseToString(response));
    }

    void unsljLogMore(int response, String more) {
        riljLog("[UNSL]< " + responseToString(response) + " " + more);
    }

    void unsljLogRet(int response, Object ret) {
        riljLog("[UNSL]< " + responseToString(response) + " " + retToString(response, ret));
    }

    void unsljLogvRet(int response, Object ret) {
        riljLogv("[UNSL]< " + responseToString(response) + " " + retToString(response, ret));
    }

    @Override
    public void setPhoneType(int phoneType) { // Called by GsmCdmaPhone
        if (RILJ_LOGD) riljLog("setPhoneType=" + phoneType + " old value=" + mPhoneType);
        mPhoneType = phoneType;
    }

    /* (non-Javadoc)
     * @see com.android.internal.telephony.BaseCommands#testingEmergencyCall()
     */
    @Override
    public void testingEmergencyCall() {
        if (RILJ_LOGD) riljLog("testingEmergencyCall");
        mTestingEmergencyCall.set(true);
    }

    public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
        pw.println("RIL: " + this);
        pw.println(" mWakeLock=" + mWakeLock);
        pw.println(" mWakeLockTimeout=" + mWakeLockTimeout);
        synchronized (mRequestList) {
            synchronized (mWakeLock) {
                pw.println(" mWakeLockCount=" + mWakeLockCount);
            }
            int count = mRequestList.size();
            pw.println(" mRequestList count=" + count);
            for (int i = 0; i < count; i++) {
                RILRequest rr = mRequestList.valueAt(i);
                pw.println("  [" + rr.mSerial + "] " + requestToString(rr.mRequest));
            }
        }
        pw.println(" mLastNITZTimeInfo=" + Arrays.toString(mLastNITZTimeInfo));
        pw.println(" mTestingEmergencyCall=" + mTestingEmergencyCall.get());
        mClientWakelockTracker.dumpClientRequestTracker(pw);
    }

    public List<ClientRequestStats> getClientRequestStats() {
        return mClientWakelockTracker.getClientRequestStats();
    }

    /** Append the data to the end of an ArrayList */
    public static void appendPrimitiveArrayToArrayList(byte[] src, ArrayList<Byte> dst) {
        for (byte b : src) {
            dst.add(b);
        }
    }

    public static ArrayList<Byte> primitiveArrayToArrayList(byte[] arr) {
        ArrayList<Byte> arrayList = new ArrayList<>(arr.length);
        for (byte b : arr) {
            arrayList.add(b);
        }
        return arrayList;
    }

    /** Convert a primitive int array to an ArrayList<Integer>. */
    public static ArrayList<Integer> primitiveArrayToArrayList(int[] arr) {
        ArrayList<Integer> arrayList = new ArrayList<>(arr.length);
        for (int i : arr) {
            arrayList.add(i);
        }
        return arrayList;
    }

    /** Convert an ArrayList of Bytes to an exactly-sized primitive array */
    public static byte[] arrayListToPrimitiveArray(ArrayList<Byte> bytes) {
        byte[] ret = new byte[bytes.size()];
        for (int i = 0; i < ret.length; i++) {
            ret[i] = bytes.get(i);
        }
        return ret;
    }

    static ArrayList<HardwareConfig> convertHalHwConfigList(
            ArrayList<android.hardware.radio.V1_0.HardwareConfig> hwListRil,
            RIL ril) {
        int num;
        ArrayList<HardwareConfig> response;
        HardwareConfig hw;

        num = hwListRil.size();
        response = new ArrayList<HardwareConfig>(num);

        if (RILJ_LOGV) {
            ril.riljLog("convertHalHwConfigList: num=" + num);
        }
        for (android.hardware.radio.V1_0.HardwareConfig hwRil : hwListRil) {
            int type = hwRil.type;
            switch(type) {
                case HardwareConfig.DEV_HARDWARE_TYPE_MODEM: {
                    hw = new HardwareConfig(type);
                    HardwareConfigModem hwModem = hwRil.modem.get(0);
                    hw.assignModem(hwRil.uuid, hwRil.state, hwModem.rilModel, hwModem.rat,
                            hwModem.maxVoice, hwModem.maxData, hwModem.maxStandby);
                    break;
                }
                case HardwareConfig.DEV_HARDWARE_TYPE_SIM: {
                    hw = new HardwareConfig(type);
                    hw.assignSim(hwRil.uuid, hwRil.state, hwRil.sim.get(0).modemUuid);
                    break;
                }
                default: {
                    throw new RuntimeException(
                            "RIL_REQUEST_GET_HARDWARE_CONFIG invalid hardward type:" + type);
                }
            }

            response.add(hw);
        }

        return response;
    }

    static RadioCapability convertHalRadioCapability(
            android.hardware.radio.V1_0.RadioCapability rcRil, RIL ril) {
        int session = rcRil.session;
        int phase = rcRil.phase;
        int rat = rcRil.raf;
        String logicModemUuid = rcRil.logicalModemUuid;
        int status = rcRil.status;

        ril.riljLog("convertHalRadioCapability: session=" + session +
                ", phase=" + phase +
                ", rat=" + rat +
                ", logicModemUuid=" + logicModemUuid +
                ", status=" + status);
        RadioCapability rc = new RadioCapability(
                ril.mPhoneId, session, phase, rat, logicModemUuid, status);
        return rc;
    }

    static LinkCapacityEstimate convertHalLceData(LceDataInfo halData, RIL ril) {
        final LinkCapacityEstimate lce = new LinkCapacityEstimate(
                halData.lastHopCapacityKbps,
                Byte.toUnsignedInt(halData.confidenceLevel),
                halData.lceSuspended ? LinkCapacityEstimate.STATUS_SUSPENDED
                        : LinkCapacityEstimate.STATUS_ACTIVE);

        ril.riljLog("LCE capacity information received:" + lce);
        return lce;
    }

    static LinkCapacityEstimate convertHalLceData(
            android.hardware.radio.V1_2.LinkCapacityEstimate halData, RIL ril) {
        final LinkCapacityEstimate lce = new LinkCapacityEstimate(
                halData.downlinkCapacityKbps,
                halData.uplinkCapacityKbps);
        ril.riljLog("LCE capacity information received:" + lce);
        return lce;
    }

    private static void writeToParcelForGsm(
            Parcel p, int lac, int cid, int arfcn, int bsic, String mcc, String mnc,
            String al, String as, int ss, int ber, int ta) {
        p.writeInt(CellIdentity.TYPE_GSM);
        p.writeString(mcc);
        p.writeString(mnc);
        p.writeString(al);
        p.writeString(as);
        p.writeInt(lac);
        p.writeInt(cid);
        p.writeInt(arfcn);
        p.writeInt(bsic);
        p.writeInt(ss);
        p.writeInt(ber);
        p.writeInt(ta);
    }

    private static void writeToParcelForCdma(
            Parcel p, int ni, int si, int bsi, int lon, int lat, String al, String as,
            int dbm, int ecio, int eDbm, int eEcio, int eSnr) {
        new CellIdentityCdma(ni, si, bsi, lon, lat, al, as).writeToParcel(p, 0);
        new CellSignalStrengthCdma(dbm, ecio, eDbm, eEcio, eSnr).writeToParcel(p, 0);
    }

    private static void writeToParcelForLte(
            Parcel p, int ci, int pci, int tac, int earfcn, int bandwidth, String mcc, String mnc,
            String al, String as, int ss, int rsrp, int rsrq, int rssnr, int cqi, int ta) {
        p.writeInt(CellIdentity.TYPE_LTE);
        p.writeString(mcc);
        p.writeString(mnc);
        p.writeString(al);
        p.writeString(as);
        p.writeInt(ci);
        p.writeInt(pci);
        p.writeInt(tac);
        p.writeInt(earfcn);
        p.writeInt(bandwidth);
        p.writeInt(ss);
        p.writeInt(rsrp);
        p.writeInt(rsrq);
        p.writeInt(rssnr);
        p.writeInt(cqi);
        p.writeInt(ta);
    }

    private static void writeToParcelForWcdma(
            Parcel p, int lac, int cid, int psc, int uarfcn, String mcc, String mnc,
            String al, String as, int ss, int ber) {
        p.writeInt(CellIdentity.TYPE_WCDMA);
        p.writeString(mcc);
        p.writeString(mnc);
        p.writeString(al);
        p.writeString(as);
        p.writeInt(lac);
        p.writeInt(cid);
        p.writeInt(psc);
        p.writeInt(uarfcn);
        p.writeInt(ss);
        p.writeInt(ber);
    }

    /**
     * Convert CellInfo defined in 1.0/types.hal to CellInfo type.
     * @param records List of CellInfo defined in 1.0/types.hal
     * @return List of converted CellInfo object
     */
    @VisibleForTesting
    public static ArrayList<CellInfo> convertHalCellInfoList(
            ArrayList<android.hardware.radio.V1_0.CellInfo> records) {
        ArrayList<CellInfo> response = new ArrayList<CellInfo>(records.size());

        for (android.hardware.radio.V1_0.CellInfo record : records) {
            // first convert RIL CellInfo to Parcel
            Parcel p = Parcel.obtain();
            p.writeInt(record.cellInfoType);
            p.writeInt(record.registered ? 1 : 0);
            p.writeInt(record.timeStampType);
            p.writeLong(record.timeStamp);
            p.writeInt(CellInfo.CONNECTION_UNKNOWN);
            switch (record.cellInfoType) {
                case CellInfoType.GSM: {
                    CellInfoGsm cellInfoGsm = record.gsm.get(0);
                    writeToParcelForGsm(
                            p,
                            cellInfoGsm.cellIdentityGsm.lac,
                            cellInfoGsm.cellIdentityGsm.cid,
                            cellInfoGsm.cellIdentityGsm.arfcn,
                            Byte.toUnsignedInt(cellInfoGsm.cellIdentityGsm.bsic),
                            cellInfoGsm.cellIdentityGsm.mcc,
                            cellInfoGsm.cellIdentityGsm.mnc,
                            EMPTY_ALPHA_LONG,
                            EMPTY_ALPHA_SHORT,
                            cellInfoGsm.signalStrengthGsm.signalStrength,
                            cellInfoGsm.signalStrengthGsm.bitErrorRate,
                            cellInfoGsm.signalStrengthGsm.timingAdvance);
                    break;
                }

                case CellInfoType.CDMA: {
                    CellInfoCdma cellInfoCdma = record.cdma.get(0);
                    writeToParcelForCdma(
                            p,
                            cellInfoCdma.cellIdentityCdma.networkId,
                            cellInfoCdma.cellIdentityCdma.systemId,
                            cellInfoCdma.cellIdentityCdma.baseStationId,
                            cellInfoCdma.cellIdentityCdma.longitude,
                            cellInfoCdma.cellIdentityCdma.latitude,
                            EMPTY_ALPHA_LONG,
                            EMPTY_ALPHA_SHORT,
                            cellInfoCdma.signalStrengthCdma.dbm,
                            cellInfoCdma.signalStrengthCdma.ecio,
                            cellInfoCdma.signalStrengthEvdo.dbm,
                            cellInfoCdma.signalStrengthEvdo.ecio,
                            cellInfoCdma.signalStrengthEvdo.signalNoiseRatio);
                    break;
                }

                case CellInfoType.LTE: {
                    CellInfoLte cellInfoLte = record.lte.get(0);
                    writeToParcelForLte(
                            p,
                            cellInfoLte.cellIdentityLte.ci,
                            cellInfoLte.cellIdentityLte.pci,
                            cellInfoLte.cellIdentityLte.tac,
                            cellInfoLte.cellIdentityLte.earfcn,
                            Integer.MAX_VALUE,
                            cellInfoLte.cellIdentityLte.mcc,
                            cellInfoLte.cellIdentityLte.mnc,
                            EMPTY_ALPHA_LONG,
                            EMPTY_ALPHA_SHORT,
                            cellInfoLte.signalStrengthLte.signalStrength,
                            cellInfoLte.signalStrengthLte.rsrp,
                            cellInfoLte.signalStrengthLte.rsrq,
                            cellInfoLte.signalStrengthLte.rssnr,
                            cellInfoLte.signalStrengthLte.cqi,
                            cellInfoLte.signalStrengthLte.timingAdvance);
                    break;
                }

                case CellInfoType.WCDMA: {
                    CellInfoWcdma cellInfoWcdma = record.wcdma.get(0);
                    writeToParcelForWcdma(
                            p,
                            cellInfoWcdma.cellIdentityWcdma.lac,
                            cellInfoWcdma.cellIdentityWcdma.cid,
                            cellInfoWcdma.cellIdentityWcdma.psc,
                            cellInfoWcdma.cellIdentityWcdma.uarfcn,
                            cellInfoWcdma.cellIdentityWcdma.mcc,
                            cellInfoWcdma.cellIdentityWcdma.mnc,
                            EMPTY_ALPHA_LONG,
                            EMPTY_ALPHA_SHORT,
                            cellInfoWcdma.signalStrengthWcdma.signalStrength,
                            cellInfoWcdma.signalStrengthWcdma.bitErrorRate);
                    break;
                }

                default:
                    throw new RuntimeException("unexpected cellinfotype: " + record.cellInfoType);
            }

            p.setDataPosition(0);
            CellInfo InfoRec = CellInfo.CREATOR.createFromParcel(p);
            p.recycle();
            response.add(InfoRec);
        }

        return response;
    }

    /**
     * Convert CellInfo defined in 1.2/types.hal to CellInfo type.
     * @param records List of CellInfo defined in 1.2/types.hal
     * @return List of converted CellInfo object
     */
    @VisibleForTesting
    public static ArrayList<CellInfo> convertHalCellInfoList_1_2(
            ArrayList<android.hardware.radio.V1_2.CellInfo> records) {
        ArrayList<CellInfo> response = new ArrayList<CellInfo>(records.size());

        for (android.hardware.radio.V1_2.CellInfo record : records) {
            // first convert RIL CellInfo to Parcel
            Parcel p = Parcel.obtain();
            p.writeInt(record.cellInfoType);
            p.writeInt(record.registered ? 1 : 0);
            p.writeInt(record.timeStampType);
            p.writeLong(record.timeStamp);
            p.writeInt(record.connectionStatus);
            switch (record.cellInfoType) {
                case CellInfoType.GSM: {
                    android.hardware.radio.V1_2.CellInfoGsm cellInfoGsm = record.gsm.get(0);
                    writeToParcelForGsm(
                            p,
                            cellInfoGsm.cellIdentityGsm.base.lac,
                            cellInfoGsm.cellIdentityGsm.base.cid,
                            cellInfoGsm.cellIdentityGsm.base.arfcn,
                            Byte.toUnsignedInt(cellInfoGsm.cellIdentityGsm.base.bsic),
                            cellInfoGsm.cellIdentityGsm.base.mcc,
                            cellInfoGsm.cellIdentityGsm.base.mnc,
                            cellInfoGsm.cellIdentityGsm.operatorNames.alphaLong,
                            cellInfoGsm.cellIdentityGsm.operatorNames.alphaShort,
                            cellInfoGsm.signalStrengthGsm.signalStrength,
                            cellInfoGsm.signalStrengthGsm.bitErrorRate,
                            cellInfoGsm.signalStrengthGsm.timingAdvance);
                    break;
                }

                case CellInfoType.CDMA: {
                    android.hardware.radio.V1_2.CellInfoCdma cellInfoCdma = record.cdma.get(0);
                    writeToParcelForCdma(
                            p,
                            cellInfoCdma.cellIdentityCdma.base.networkId,
                            cellInfoCdma.cellIdentityCdma.base.systemId,
                            cellInfoCdma.cellIdentityCdma.base.baseStationId,
                            cellInfoCdma.cellIdentityCdma.base.longitude,
                            cellInfoCdma.cellIdentityCdma.base.latitude,
                            cellInfoCdma.cellIdentityCdma.operatorNames.alphaLong,
                            cellInfoCdma.cellIdentityCdma.operatorNames.alphaShort,
                            cellInfoCdma.signalStrengthCdma.dbm,
                            cellInfoCdma.signalStrengthCdma.ecio,
                            cellInfoCdma.signalStrengthEvdo.dbm,
                            cellInfoCdma.signalStrengthEvdo.ecio,
                            cellInfoCdma.signalStrengthEvdo.signalNoiseRatio);
                    break;
                }

                case CellInfoType.LTE: {
                    android.hardware.radio.V1_2.CellInfoLte cellInfoLte = record.lte.get(0);
                    writeToParcelForLte(
                            p,
                            cellInfoLte.cellIdentityLte.base.ci,
                            cellInfoLte.cellIdentityLte.base.pci,
                            cellInfoLte.cellIdentityLte.base.tac,
                            cellInfoLte.cellIdentityLte.base.earfcn,
                            cellInfoLte.cellIdentityLte.bandwidth,
                            cellInfoLte.cellIdentityLte.base.mcc,
                            cellInfoLte.cellIdentityLte.base.mnc,
                            cellInfoLte.cellIdentityLte.operatorNames.alphaLong,
                            cellInfoLte.cellIdentityLte.operatorNames.alphaShort,
                            cellInfoLte.signalStrengthLte.signalStrength,
                            cellInfoLte.signalStrengthLte.rsrp,
                            cellInfoLte.signalStrengthLte.rsrq,
                            cellInfoLte.signalStrengthLte.rssnr,
                            cellInfoLte.signalStrengthLte.cqi,
                            cellInfoLte.signalStrengthLte.timingAdvance);
                    break;
                }

                case CellInfoType.WCDMA: {
                    android.hardware.radio.V1_2.CellInfoWcdma cellInfoWcdma = record.wcdma.get(0);
                    writeToParcelForWcdma(
                            p,
                            cellInfoWcdma.cellIdentityWcdma.base.lac,
                            cellInfoWcdma.cellIdentityWcdma.base.cid,
                            cellInfoWcdma.cellIdentityWcdma.base.psc,
                            cellInfoWcdma.cellIdentityWcdma.base.uarfcn,
                            cellInfoWcdma.cellIdentityWcdma.base.mcc,
                            cellInfoWcdma.cellIdentityWcdma.base.mnc,
                            cellInfoWcdma.cellIdentityWcdma.operatorNames.alphaLong,
                            cellInfoWcdma.cellIdentityWcdma.operatorNames.alphaShort,
                            cellInfoWcdma.signalStrengthWcdma.base.signalStrength,
                            cellInfoWcdma.signalStrengthWcdma.base.bitErrorRate);
                    break;
                }

                default:
                    throw new RuntimeException("unexpected cellinfotype: " + record.cellInfoType);
            }

            p.setDataPosition(0);
            CellInfo InfoRec = CellInfo.CREATOR.createFromParcel(p);
            p.recycle();
            response.add(InfoRec);
        }

        return response;
    }

    /** Convert HAL 1.0 Signal Strength to android SignalStrength */
    @VisibleForTesting
    public static SignalStrength convertHalSignalStrength(
            android.hardware.radio.V1_0.SignalStrength signalStrength) {
        int tdscdmaRscp_1_2 = 255; // 255 is the value for unknown/unreported ASU.
        // The HAL 1.0 range is 25..120; the ASU/ HAL 1.2 range is 0..96;
        // yes, this means the range in 1.0 cannot express -24dBm = 96
        if (signalStrength.tdScdma.rscp >= 25 && signalStrength.tdScdma.rscp <= 120) {
            // First we flip the sign to convert from the HALs -rscp to the actual RSCP value.
            int rscpDbm = -signalStrength.tdScdma.rscp;
            // Then to convert from RSCP to ASU, we apply the offset which aligns 0 ASU to -120dBm.
            tdscdmaRscp_1_2 = rscpDbm + 120;
        }
        return new SignalStrength(
                signalStrength.gw.signalStrength,
                signalStrength.gw.bitErrorRate,
                signalStrength.cdma.dbm,
                signalStrength.cdma.ecio,
                signalStrength.evdo.dbm,
                signalStrength.evdo.ecio,
                signalStrength.evdo.signalNoiseRatio,
                signalStrength.lte.signalStrength,
                signalStrength.lte.rsrp,
                signalStrength.lte.rsrq,
                signalStrength.lte.rssnr,
                signalStrength.lte.cqi,
                tdscdmaRscp_1_2);
    }

    /** Convert HAL 1.2 Signal Strength to android SignalStrength */
    @VisibleForTesting
    public static SignalStrength convertHalSignalStrength_1_2(
            android.hardware.radio.V1_2.SignalStrength signalStrength) {
        return new SignalStrength(
                signalStrength.gsm.signalStrength,
                signalStrength.gsm.bitErrorRate,
                signalStrength.cdma.dbm,
                signalStrength.cdma.ecio,
                signalStrength.evdo.dbm,
                signalStrength.evdo.ecio,
                signalStrength.evdo.signalNoiseRatio,
                signalStrength.lte.signalStrength,
                signalStrength.lte.rsrp,
                signalStrength.lte.rsrq,
                signalStrength.lte.rssnr,
                signalStrength.lte.cqi,
                signalStrength.tdScdma.rscp,
                signalStrength.wcdma.base.signalStrength,
                signalStrength.wcdma.rscp);
    }
}