Support Signal Strength Offset (03218511) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/ServiceStateTracker.java

+153 −1

Original line number	Diff line number	Diff line
		@@ -94,6 +94,7 @@ import java.util.Date;
		import java.util.List;
		import java.util.TimeZone;
		import java.util.concurrent.atomic.AtomicInteger;
		import java.util.regex.PatternSyntaxException;

		/**
		* {@hide}
		@@ -444,6 +445,12 @@ public class ServiceStateTracker extends Handler {
		private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
		@Override
		public void onReceive(Context context, Intent intent) {
		if (intent.getAction().equals(
		CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED)) {
		updateLteEarfcnLists();
		return;
		}

		if (!mPhone.isPhoneTypeGsm()) {
		loge("Ignoring intent " + intent + " received on CDMA phone");
		return;
		@@ -498,6 +505,16 @@ public class ServiceStateTracker extends Handler {
		private String mRegistrationDeniedReason;
		private String mCurrentCarrier = null;

		/* list of LTE EARFCNs (E-UTRA Absolute Radio Frequency Channel Number,
		* Reference: 3GPP TS 36.104 5.4.3)
		* inclusive ranges for which the lte rsrp boost is applied */
		private ArrayList<Pair<Integer, Integer>> mEarfcnPairListForRsrpBoost = null;

		private int mLteRsrpBoost = 0; // offset which is reduced from the rsrp threshold
		// while calculating signal strength level.
		private final Object mLteRsrpBoostLock = new Object();
		private static final int INVALID_LTE_EARFCN = -1;

		public ServiceStateTracker(GsmCdmaPhone phone, CommandsInterface ci) {
		mPhone = phone;
		mCi = ci;
		@@ -551,6 +568,9 @@ public class ServiceStateTracker extends Handler {
		filter = new IntentFilter();
		filter.addAction(ACTION_RADIO_OFF);
		context.registerReceiver(mIntentReceiver, filter);
		filter = new IntentFilter();
		filter.addAction(CarrierConfigManager.ACTION_CARRIER_CONFIG_CHANGED);
		context.registerReceiver(mIntentReceiver, filter);

		mPhone.notifyOtaspChanged(OTASP_UNINITIALIZED);

		@@ -966,6 +986,25 @@ public class ServiceStateTracker extends Handler {
		}
		}

		private int getLteEarfcn(DataRegStateResult dataRegStateResult) {
		int lteEarfcn = INVALID_LTE_EARFCN;
		switch(dataRegStateResult.cellIdentity.cellInfoType) {
		case CellInfoType.LTE: {
		if (dataRegStateResult.cellIdentity.cellIdentityLte.size() == 1) {
		android.hardware.radio.V1_0.CellIdentityLte cellIdentityLte =
		dataRegStateResult.cellIdentity.cellIdentityLte.get(0);
		lteEarfcn = cellIdentityLte.earfcn;
		}
		break;
		}
		default: {
		break;
		}
		}

		return lteEarfcn;
		}

		@Override
		public void handleMessage(Message msg) {
		AsyncResult ar;
		@@ -1785,7 +1824,6 @@ public class ServiceStateTracker extends Handler {
		int regState = getRegStateFromHalRegState(dataRegStateResult.regState);
		int dataRegState = regCodeToServiceState(regState);
		int newDataRat = dataRegStateResult.rat;

		mNewSS.setDataRegState(dataRegState);
		mNewSS.setRilDataRadioTechnology(newDataRat);

		@@ -1834,6 +1872,8 @@ public class ServiceStateTracker extends Handler {
		+ " dataRadioTechnology=" + newDataRat);
		}
		}

		updateServiceStateLteEarfcnBoost(mNewSS, getLteEarfcn(dataRegStateResult));
		break;
		}

		@@ -4011,6 +4051,97 @@ public class ServiceStateTracker extends Handler {
		}
		}

		/**
		* Checks if the provided earfcn falls withing the range of earfcns.
		*
		* return true if earfcn falls within the provided range; false otherwise.
		*/
		private boolean containsEarfcnInEarfcnRange(ArrayList<Pair<Integer, Integer>> earfcnPairList,
		int earfcn) {
		if (earfcnPairList != null) {
		for (Pair<Integer, Integer> earfcnPair : earfcnPairList) {
		if ((earfcn >= earfcnPair.first) && (earfcn <= earfcnPair.second)) {
		return true;
		}
		}
		}

		return false;
		}

		/**
		* Convert the earfcnStringArray to list of pairs.
		*
		* Format of the earfcnsList is expected to be {"erafcn1_start-earfcn1_end",
		* "earfcn2_start-earfcn2_end" ... }
		*/
		ArrayList<Pair<Integer, Integer>> convertEarfcnStringArrayToPairList(String[] earfcnsList) {
		ArrayList<Pair<Integer, Integer>> earfcnPairList = new ArrayList<Pair<Integer, Integer>>();

		if (earfcnsList != null) {
		int earfcnStart;
		int earfcnEnd;
		for (int i = 0; i < earfcnsList.length; i++) {
		try {
		String[] earfcns = earfcnsList[i].split("-");
		if (earfcns.length != 2) {
		if (VDBG) {
		log("Invalid earfcn range format");
		}
		return null;
		}

		earfcnStart = Integer.parseInt(earfcns[0]);
		earfcnEnd = Integer.parseInt(earfcns[1]);

		if (earfcnStart > earfcnEnd) {
		if (VDBG) {
		log("Invalid earfcn range format");
		}
		return null;
		}

		earfcnPairList.add(new Pair<Integer, Integer>(earfcnStart, earfcnEnd));
		} catch (PatternSyntaxException pse) {
		if (VDBG) {
		log("Invalid earfcn range format");
		}
		return null;
		} catch (NumberFormatException nfe) {
		if (VDBG) {
		log("Invalid earfcn number format");
		}
		return null;
		}
		}
		}

		return earfcnPairList;
		}
		private void updateLteEarfcnLists() {
		CarrierConfigManager configManager = (CarrierConfigManager)
		mPhone.getContext().getSystemService(Context.CARRIER_CONFIG_SERVICE);
		PersistableBundle b = configManager.getConfigForSubId(mPhone.getSubId());
		synchronized (mLteRsrpBoostLock) {
		mLteRsrpBoost = b.getInt(CarrierConfigManager.KEY_LTE_EARFCNS_RSRP_BOOST_INT, 0);
		String[] earfcnsStringArrayForRsrpBoost = b.getStringArray(
		CarrierConfigManager.KEY_BOOSTED_LTE_EARFCNS_STRING_ARRAY);
		mEarfcnPairListForRsrpBoost = convertEarfcnStringArrayToPairList(
		earfcnsStringArrayForRsrpBoost);
		}
		}

		private void updateServiceStateLteEarfcnBoost(ServiceState serviceState, int lteEarfcn) {
		synchronized (mLteRsrpBoostLock) {
		if ((lteEarfcn != INVALID_LTE_EARFCN)
		&& containsEarfcnInEarfcnRange(mEarfcnPairListForRsrpBoost, lteEarfcn)) {
		serviceState.setLteEarfcnRsrpBoost(mLteRsrpBoost);
		} else {
		serviceState.setLteEarfcnRsrpBoost(0);
		}
		}
		}

		/**
		* send signal-strength-changed notification if changed Called both for
		* solicited and unsolicited signal strength updates
		@@ -4033,6 +4164,7 @@ public class ServiceStateTracker extends Handler {
		mSignalStrength = (SignalStrength) ar.result;
		mSignalStrength.validateInput();
		mSignalStrength.setGsm(isGsm);
		mSignalStrength.setLteRsrpBoost(mSS.getLteEarfcnRsrpBoost());
		} else {
		log("onSignalStrengthResult() Exception from RIL : " + ar.exception);
		mSignalStrength = new SignalStrength(isGsm);
		@@ -4228,6 +4360,24 @@ public class ServiceStateTracker extends Handler {
		}
		}

		private void dumpEarfcnPairList(PrintWriter pw) {
		pw.print(" mEarfcnPairListForRsrpBoost={");
		if (mEarfcnPairListForRsrpBoost != null) {
		int i = mEarfcnPairListForRsrpBoost.size();
		for (Pair<Integer, Integer> earfcnPair : mEarfcnPairListForRsrpBoost) {
		pw.print("(");
		pw.print(earfcnPair.first);
		pw.print(",");
		pw.print(earfcnPair.second);
		pw.print(")");
		if ((--i) != 0) {
		pw.print(",");
		}
		}
		}
		pw.println("}");
		}

		private void dumpCellInfoList(PrintWriter pw) {
		pw.print(" mLastCellInfoList={");
		if(mLastCellInfoList != null) {
		@@ -4316,6 +4466,8 @@ public class ServiceStateTracker extends Handler {
		pw.println(" mPowerOffDelayNeed=" + mPowerOffDelayNeed);
		pw.println(" mDeviceShuttingDown=" + mDeviceShuttingDown);
		pw.println(" mSpnUpdatePending=" + mSpnUpdatePending);
		pw.println(" mLteRsrpBoost=" + mLteRsrpBoost);
		dumpEarfcnPairList(pw);

		pw.println(" Roaming Log:");
		IndentingPrintWriter ipw = new IndentingPrintWriter(pw, " ");