Merge "Update Locale Based On All CellIdentities" (6d53ae29) · Commits · e / os / android_frameworks_opt_telephony

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

+50 −26

Original line number	Diff line number	Diff line
		@@ -120,6 +120,8 @@ import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.Collections;
		import java.util.Comparator;
		import java.util.HashSet;
		import java.util.LinkedList;
		import java.util.List;
		@@ -129,6 +131,7 @@ import java.util.concurrent.atomic.AtomicInteger;
		import java.util.regex.Matcher;
		import java.util.regex.Pattern;
		import java.util.regex.PatternSyntaxException;
		import java.util.stream.Collectors;

		/**
		* {@hide}
		@@ -449,7 +452,6 @@ public class ServiceStateTracker extends Handler {
		protected final GsmCdmaPhone mPhone;

		private CellIdentity mCellIdentity;
		private CellIdentity mNewCellIdentity;
		private static final int MS_PER_HOUR = 60 * 60 * 1000;
		private final NitzStateMachine mNitzState;

		@@ -742,7 +744,6 @@ public class ServiceStateTracker extends Handler {
		mLastNitzData = null;
		mNitzState.handleNetworkUnavailable();
		mCellIdentity = null;
		mNewCellIdentity = null;
		mSignalStrengthUpdatedTime = System.currentTimeMillis();

		//cancel any pending pollstate request on voice tech switching
		@@ -2181,8 +2182,6 @@ public class ServiceStateTracker extends Handler {
		}
		}

		mNewCellIdentity = networkRegState.getCellIdentity();

		if (DBG) {
		log("handlePollStateResultMessage: CS cellular. " + networkRegState);
		}
		@@ -3083,7 +3082,6 @@ public class ServiceStateTracker extends Handler {
		switch (mCi.getRadioState()) {
		case TelephonyManager.RADIO_POWER_UNAVAILABLE:
		mNewSS.setStateOutOfService();
		mNewCellIdentity = null;
		setSignalStrengthDefaultValues();
		mLastNitzData = null;
		mNitzState.handleNetworkUnavailable();
		@@ -3092,7 +3090,6 @@ public class ServiceStateTracker extends Handler {

		case TelephonyManager.RADIO_POWER_OFF:
		mNewSS.setStateOff();
		mNewCellIdentity = null;
		setSignalStrengthDefaultValues();
		mLastNitzData = null;
		mNitzState.handleNetworkUnavailable();
		@@ -3139,6 +3136,35 @@ public class ServiceStateTracker extends Handler {
		}
		}

		/**
		* Get the highest-priority CellIdentity for a provided ServiceState.
		*
		* Choose a CellIdentity for ServiceState using the following rules:
		* 1) WWAN only (WLAN is excluded)
		* 2) Registered > Camped
		* 3) CS > PS
		*
		* @param ss a Non-Null ServiceState object
		*
		* @return a list of CellIdentity objects in decreasing order of preference.
		*/
		@VisibleForTesting public static @NonNull List<CellIdentity> getPrioritizedCellIdentities(
		@NonNull final ServiceState ss) {
		final List<NetworkRegistrationInfo> regInfos = ss.getNetworkRegistrationInfoList();
		if (regInfos.isEmpty()) return Collections.emptyList();

		return regInfos.stream()
		.filter(nri -> nri.getCellIdentity() != null)
		.filter(nri -> nri.getTransportType() == AccessNetworkConstants.TRANSPORT_TYPE_WWAN)
		.sorted(Comparator
		.comparing(NetworkRegistrationInfo::isRegistered)
		.thenComparing((nri) -> nri.getDomain() & NetworkRegistrationInfo.DOMAIN_CS)
		.reversed())
		.map(nri -> nri.getCellIdentity())
		.distinct()
		.collect(Collectors.toList());
		}

		private void pollStateDone() {
		if (!mPhone.isPhoneTypeGsm()) {
		updateRoamingState();
		@@ -3248,8 +3274,13 @@ public class ServiceStateTracker extends Handler {
		mNewSS.getNetworkRegistrationInfo(
		NetworkRegistrationInfo.DOMAIN_PS, AccessNetworkType.EUTRAN));

		boolean hasLocationChanged = (mCellIdentity == null ? mNewCellIdentity != null
		: !mCellIdentity.isSameCell(mNewCellIdentity));
		final List<CellIdentity> prioritizedCids = getPrioritizedCellIdentities(mNewSS);

		final CellIdentity primaryCellIdentity = prioritizedCids.isEmpty()
		? null : prioritizedCids.get(0);

		boolean hasLocationChanged = mCellIdentity == null
		? primaryCellIdentity != null : !mCellIdentity.isSameCell(primaryCellIdentity);

		// ratchet the new tech up through its rat family but don't drop back down
		// until cell change or device is OOS
		@@ -3335,7 +3366,7 @@ public class ServiceStateTracker extends Handler {
		// TODO: we may add filtering to reduce the event logged,
		// i.e. check preferred network setting, only switch to 2G, etc
		if (hasRilVoiceRadioTechnologyChanged) {
		int cid = getCidFromCellIdentity(mNewCellIdentity);
		int cid = getCidFromCellIdentity(primaryCellIdentity);
		// NOTE: this code was previously located after mSS and mNewSS are swapped, so
		// existing logs were incorrectly using the new state for "network_from"
		// and STATE_OUT_OF_SERVICE for "network_to". To avoid confusion, use a new log tag
		@@ -3371,10 +3402,7 @@ public class ServiceStateTracker extends Handler {
		// clean slate for next time
		mNewSS.setStateOutOfService();

		// swap mCellIdentity and mNewCellIdentity to put new state in mCellIdentity
		CellIdentity tempCellId = mCellIdentity;
		mCellIdentity = mNewCellIdentity;
		mNewCellIdentity = tempCellId;
		mCellIdentity = primaryCellIdentity;

		if (hasRilVoiceRadioTechnologyChanged) {
		updatePhoneObject();
		@@ -3433,10 +3461,13 @@ public class ServiceStateTracker extends Handler {
		// incomplete.
		// CellIdentity can return a null MCC and MNC in CDMA
		String localeOperator = operatorNumeric;
		if (isInvalidOperatorNumeric(operatorNumeric) && (mCellIdentity != null)
		&& mCellIdentity.getMccString() != null
		&& mCellIdentity.getMncString() != null) {
		localeOperator = mCellIdentity.getMccString() + mCellIdentity.getMncString();
		if (isInvalidOperatorNumeric(operatorNumeric)) {
		for (CellIdentity cid : prioritizedCids) {
		if (!TextUtils.isEmpty(cid.getPlmn())) {
		localeOperator = cid.getPlmn();
		break;
		}
		}
		}

		if (isInvalidOperatorNumeric(localeOperator)) {
		@@ -3445,16 +3476,10 @@ public class ServiceStateTracker extends Handler {
		// operator numeric in locale tracker is null. The async update will allow getting
		// cell info from the modem instead of using the cached one.
		mLocaleTracker.updateOperatorNumeric("");
		} else if (mSS.getRilDataRadioTechnology() != ServiceState.RIL_RADIO_TECHNOLOGY_IWLAN) {
		// If the device is on IWLAN, modems manufacture a ServiceState with the MCC/MNC of
		// the SIM as if we were talking to towers. Telephony code then uses that with
		// mccTable to suggest a timezone. We shouldn't do that if the MCC/MNC is from IWLAN

		// Update IDD.
		} else {
		if (!mPhone.isPhoneTypeGsm()) {
		setOperatorIdd(localeOperator);
		}

		mLocaleTracker.updateOperatorNumeric(localeOperator);
		}

		@@ -3770,7 +3795,7 @@ public class ServiceStateTracker extends Handler {
		}

		// Retrieve the current country information
		// with the MCC got from opeatorNumeric.
		// with the MCC got from operatorNumeric.
		String idd = mHbpcdUtils.getIddByMcc(
		Integer.parseInt(operatorNumeric.substring(0,3)));
		if (idd != null && !idd.isEmpty()) {
		@@ -5138,7 +5163,6 @@ public class ServiceStateTracker extends Handler {
		pw.println(" mPendingRadioPowerOffAfterDataOff=" + mPendingRadioPowerOffAfterDataOff);
		pw.println(" mPendingRadioPowerOffAfterDataOffTag=" + mPendingRadioPowerOffAfterDataOffTag);
		pw.println(" mCellIdentity=" + Rlog.pii(VDBG, mCellIdentity));
		pw.println(" mNewCellIdentity=" + Rlog.pii(VDBG, mNewCellIdentity));
		pw.println(" mLastCellInfoReqTime=" + mLastCellInfoReqTime);
		dumpCellInfoList(pw);
		pw.flush();

tests/telephonytests/src/com/android/internal/telephony/ServiceStateTrackerTest.java

+73 −0

Original line number	Diff line number	Diff line
		@@ -2605,4 +2605,77 @@ public class ServiceStateTrackerTest extends TelephonyTest {
		List<Intent> intents = intentArgumentCaptor.getAllValues();
		return intents.get(intents.size() - 1).getExtras();
		}

		private static NetworkRegistrationInfo makeNetworkRegistrationInfo(
		int domain, int transport, CellIdentity ci, boolean isRegistered) {
		return new NetworkRegistrationInfo.Builder()
		.setDomain(domain)
		.setTransportType(transport)
		.setCellIdentity(ci)
		.setRegistrationState(isRegistered
		? NetworkRegistrationInfo.REGISTRATION_STATE_HOME
		: NetworkRegistrationInfo.REGISTRATION_STATE_NOT_REGISTERED_OR_SEARCHING)
		.build();
		}

		@Test
		public void testCellIdentitySort() {
		final CellIdentityLte cellIdentityLte =
		new CellIdentityLte(1, 1, 5, 1, new int[] {1, 2}, 5000, "001", "01", "test",
		"tst", Collections.emptyList(), null);
		final CellIdentityGsm cellIdentityGsm = new CellIdentityGsm(
		2, 3, 900, 5, "001", "01", "test", "tst", Collections.emptyList());

		ServiceState ss = new ServiceState();
		List<CellIdentity> cids;

		// Test that PS WWAN is reported if available
		ss.addNetworkRegistrationInfo(makeNetworkRegistrationInfo(
		NetworkRegistrationInfo.DOMAIN_PS,
		AccessNetworkConstants.TRANSPORT_TYPE_WWAN,
		cellIdentityLte, false));
		cids = ServiceStateTracker.getPrioritizedCellIdentities(ss);
		assertEquals(cids.size(), 1);
		assertEquals(cids.get(0), cellIdentityLte);

		// Test that CS is prioritized over PS
		ss.addNetworkRegistrationInfo(makeNetworkRegistrationInfo(
		NetworkRegistrationInfo.DOMAIN_CS,
		AccessNetworkConstants.TRANSPORT_TYPE_WWAN,
		cellIdentityGsm, false));
		cids = ServiceStateTracker.getPrioritizedCellIdentities(ss);
		assertEquals(cids.size(), 2);
		assertEquals(cids.get(0), cellIdentityGsm);
		assertEquals(cids.get(1), cellIdentityLte);

		// Test that WLAN is ignored
		ss.addNetworkRegistrationInfo(makeNetworkRegistrationInfo(
		NetworkRegistrationInfo.DOMAIN_PS,
		AccessNetworkConstants.TRANSPORT_TYPE_WLAN,
		cellIdentityGsm, false));
		cids = ServiceStateTracker.getPrioritizedCellIdentities(ss);
		assertEquals(cids.size(), 2);
		assertEquals(cids.get(0), cellIdentityGsm);
		assertEquals(cids.get(1), cellIdentityLte);

		// Test that null CellIdentities are ignored
		ss.addNetworkRegistrationInfo(makeNetworkRegistrationInfo(
		NetworkRegistrationInfo.DOMAIN_CS,
		AccessNetworkConstants.TRANSPORT_TYPE_WLAN,
		null, false));
		cids = ServiceStateTracker.getPrioritizedCellIdentities(ss);
		assertEquals(cids.size(), 2);
		assertEquals(cids.get(0), cellIdentityGsm);
		assertEquals(cids.get(1), cellIdentityLte);

		// Test that registered networks are prioritized over unregistered
		ss.addNetworkRegistrationInfo(makeNetworkRegistrationInfo(
		NetworkRegistrationInfo.DOMAIN_PS,
		AccessNetworkConstants.TRANSPORT_TYPE_WWAN,
		cellIdentityLte, true));
		cids = ServiceStateTracker.getPrioritizedCellIdentities(ss);
		assertEquals(cids.size(), 2);
		assertEquals(cids.get(0), cellIdentityLte);
		assertEquals(cids.get(1), cellIdentityGsm);
		}
		}