Merge "support parent carrier id" (6194d584) · Commits · e / os / android_frameworks_opt_telephony

proto/src/carrierId.proto

+5 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,11 @@ message CarrierId {

		// [Optional] Carrier attributes to match a carrier. At least one value is required.
		repeated CarrierAttribute carrier_attribute = 3;

		// [Optional] A unique canonical number to represent its parent carrier. The parent-child
		// relationship can be used to differentiate a single carrier by different networks,
		// by prepaid v.s. postpaid or even by 4G v.s. 3G plan.
		optional int32 parent_canonical_id = 4;
		};

		// Attributes used to match a carrier.

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

+153 −25

Original line number	Diff line number	Diff line
		@@ -72,12 +72,15 @@ public class CarrierResolver extends Handler {
		private List<CarrierMatchingRule> mCarrierMatchingRulesOnMccMnc = new ArrayList<>();
		// cached carrier Id
		private int mCarrierId = TelephonyManager.UNKNOWN_CARRIER_ID;
		// cached precise carrier Id
		private int mPreciseCarrierId = TelephonyManager.UNKNOWN_CARRIER_ID;
		// cached MNO carrier Id. mno carrier shares the same mccmnc as cid and can be solely
		// identified by mccmnc only. If there is no such mno carrier, mno carrier id equals to
		// the cid.
		private int mMnoCarrierId = TelephonyManager.UNKNOWN_CARRIER_ID;
		// cached carrier name
		private String mCarrierName;
		private String mPreciseCarrierName;
		// cached preferapn name
		private String mPreferApn;
		// cached service provider name. telephonyManager API returns empty string as default value.
		@@ -184,8 +187,9 @@ public class CarrierResolver extends Handler {
		mCarrierMatchingRulesOnMccMnc.clear();
		mSpn = null;
		mPreferApn = null;
		updateCarrierIdAndName(TelephonyManager.UNKNOWN_CARRIER_ID,
		TelephonyManager.UNKNOWN_CARRIER_ID, null);
		updateCarrierIdAndName(TelephonyManager.UNKNOWN_CARRIER_ID, null,
		TelephonyManager.UNKNOWN_CARRIER_ID, null,
		TelephonyManager.UNKNOWN_CARRIER_ID);
		break;
		case PREFER_APN_UPDATE_EVENT:
		String preferApn = getPreferApn();
		@@ -250,6 +254,34 @@ public class CarrierResolver extends Handler {
		}
		}

		private String getCarrierNameFromId(int cid) {
		try {
		Cursor cursor = mContext.getContentResolver().query(
		CarrierId.All.CONTENT_URI,
		/* projection */ null,
		/* selection */ CarrierId.CARRIER_ID + "=?",
		/* selectionArgs */ new String[]{cid + ""}, null);
		try {
		if (cursor != null) {
		if (VDBG) {
		logd("[getCarrierNameFromId]- " + cursor.getCount()
		+ " Records(s) in DB" + " cid: " + cid);
		}
		while (cursor.moveToNext()) {
		return cursor.getString(cursor.getColumnIndex(CarrierId.CARRIER_NAME));
		}
		}
		} finally {
		if (cursor != null) {
		cursor.close();
		}
		}
		} catch (Exception ex) {
		loge("[getCarrierNameFromId]- ex: " + ex);
		}
		return null;
		}

		private static List<CarrierMatchingRule> getCarrierMatchingRulesFromMccMnc(
		@NonNull Context context, String mccmnc) {
		List<CarrierMatchingRule> rules = new ArrayList<>();
		@@ -308,7 +340,9 @@ public class CarrierResolver extends Handler {
		return null;
		}

		private void updateCarrierIdAndName(int cid, int mnoCid, String name) {
		private void updateCarrierIdAndName(int cid, String name,
		int preciseCarrierId, String preciseCarrierName,
		int mnoCid) {
		boolean update = false;
		if (!equals(name, mCarrierName, true)) {
		logd("[updateCarrierName] from:" + mCarrierName + " to:" + name);
		@@ -325,7 +359,6 @@ public class CarrierResolver extends Handler {
		mMnoCarrierId = mnoCid;
		update = true;
		}

		if (update) {
		mCarrierIdLocalLog.log("[updateCarrierIdAndName] cid:" + mCarrierId + " name:"
		+ mCarrierName + " mnoCid:" + mMnoCarrierId);
		@@ -337,7 +370,7 @@ public class CarrierResolver extends Handler {
		intent.putExtra(TelephonyManager.EXTRA_SUBSCRIPTION_ID, mPhone.getSubId());
		mContext.sendBroadcast(intent);

		// update current subscriptions
		// notify content observers for carrier id change event
		ContentValues cv = new ContentValues();
		cv.put(CarrierId.CARRIER_ID, mCarrierId);
		cv.put(CarrierId.CARRIER_NAME, mCarrierName);
		@@ -346,6 +379,38 @@ public class CarrierResolver extends Handler {
		Uri.withAppendedPath(CarrierId.CONTENT_URI,
		Integer.toString(mPhone.getSubId())), cv, null, null);
		}

		update = false;
		if (preciseCarrierId != mPreciseCarrierId) {
		logd("[updatePreciseCarrierId] from:" + mPreciseCarrierId + " to:"
		+ preciseCarrierId);
		mPreciseCarrierId = preciseCarrierId;
		update = true;
		}
		if (preciseCarrierName != mPreciseCarrierName) {
		logd("[updatePreciseCarrierName] from:" + mPreciseCarrierName + " to:"
		+ preciseCarrierName);
		mPreciseCarrierName = preciseCarrierName;
		update = true;
		}
		if (update) {
		mCarrierIdLocalLog.log("[updatePreciseCarrierIdAndName] cid:" + mPreciseCarrierId
		+ " name:" + mPreciseCarrierName);
		final Intent intent = new Intent(TelephonyManager
		.ACTION_SUBSCRIPTION_PRECISE_CARRIER_IDENTITY_CHANGED);
		intent.putExtra(TelephonyManager.EXTRA_PRECISE_CARRIER_ID, mPreciseCarrierId);
		intent.putExtra(TelephonyManager.EXTRA_PRECISE_CARRIER_NAME, mPreciseCarrierName);
		intent.putExtra(TelephonyManager.EXTRA_SUBSCRIPTION_ID, mPhone.getSubId());
		mContext.sendBroadcast(intent);

		// notify content observers for precise carrier id change event.
		ContentValues cv = new ContentValues();
		cv.put(CarrierId.PRECISE_CARRIER_ID, mPreciseCarrierId);
		cv.put(CarrierId.PRECISE_CARRIER_ID_NAME, mPreciseCarrierName);
		mContext.getContentResolver().update(
		Telephony.CarrierId.getPreciseCarrierIdUriForSubscriptionId(mPhone.getSubId()),
		cv, null, null);
		}
		}

		private static CarrierMatchingRule makeCarrierMatchingRule(Cursor cursor) {
		@@ -364,7 +429,8 @@ public class CarrierResolver extends Handler {
		cursor.getString(cursor.getColumnIndexOrThrow(CarrierId.All.APN)),
		(TextUtils.isEmpty(certs) ? null : new ArrayList<>(Arrays.asList(certs))),
		cursor.getInt(cursor.getColumnIndexOrThrow(CarrierId.CARRIER_ID)),
		cursor.getString(cursor.getColumnIndexOrThrow(CarrierId.CARRIER_NAME)));
		cursor.getString(cursor.getColumnIndexOrThrow(CarrierId.CARRIER_NAME)),
		cursor.getInt(cursor.getColumnIndexOrThrow(CarrierId.PARENT_CARRIER_ID)));
		}

		/**
		@@ -408,12 +474,14 @@ public class CarrierResolver extends Handler {
		private String mName;
		// unique carrier id
		private int mCid;
		// unique parent carrier id
		private int mParentCid;

		private int mScore = 0;

		CarrierMatchingRule(String mccmnc, String imsiPrefixPattern, String iccidPrefix,
		private CarrierMatchingRule(String mccmnc, String imsiPrefixPattern, String iccidPrefix,
		String gid1, String gid2, String plmn, String spn, String apn,
		List<String> privilegeAccessRule, int cid, String name) {
		List<String> privilegeAccessRule, int cid, String name, int parentCid) {
		mMccMnc = mccmnc;
		mImsiPrefixPattern = imsiPrefixPattern;
		mIccidPrefix = iccidPrefix;
		@@ -425,6 +493,22 @@ public class CarrierResolver extends Handler {
		mPrivilegeAccessRule = privilegeAccessRule;
		mCid = cid;
		mName = name;
		mParentCid = parentCid;
		}

		private CarrierMatchingRule(CarrierMatchingRule rule) {
		mMccMnc = rule.mMccMnc;
		mImsiPrefixPattern = rule.mImsiPrefixPattern;
		mIccidPrefix = rule.mIccidPrefix;
		mGid1 = rule.mGid1;
		mGid2 = rule.mGid2;
		mPlmn = rule.mPlmn;
		mSpn = rule.mSpn;
		mApn = rule.mApn;
		mPrivilegeAccessRule = rule.mPrivilegeAccessRule;
		mCid = rule.mCid;
		mName = rule.mName;
		mParentCid = rule.mParentCid;
		}

		// Calculate matching score. Values which aren't set in the rule are considered "wild".
		@@ -586,21 +670,25 @@ public class CarrierResolver extends Handler {
		}
		return new CarrierMatchingRule(
		mccmnc, imsi, iccid, gid1, gid2, plmn, spn, apn, accessRules,
		TelephonyManager.UNKNOWN_CARRIER_ID, null);
		TelephonyManager.UNKNOWN_CARRIER_ID, null,
		TelephonyManager.UNKNOWN_CARRIER_ID);
		}

		/**
		* find the best matching carrier from candidates with matched subscription MCCMNC.
		* @return the best matching carrier id.
		*/
		private int matchSubscriptionCarrier() {
		int carrierId = TelephonyManager.UNKNOWN_CARRIER_ID;
		private void matchSubscriptionCarrier() {
		if (!SubscriptionManager.isValidSubscriptionId(mPhone.getSubId())) {
		logd("[matchSubscriptionCarrier]" + "skip before sim records loaded");
		return carrierId;
		return;
		}
		int maxScore = CarrierMatchingRule.SCORE_INVALID;
		/**
		* For child-parent relationship. either child and parent have the same matching
		* score, or child's matching score > parents' matching score.
		*/
		CarrierMatchingRule maxRule = null;
		CarrierMatchingRule maxRuleParent = null;
		/**
		* matching rule with mccmnc only. If mnoRule is found, then mno carrier id equals to the
		* cid from mnoRule. otherwise, mno carrier id is same as cid.
		@@ -613,7 +701,15 @@ public class CarrierResolver extends Handler {
		if (rule.mScore > maxScore) {
		maxScore = rule.mScore;
		maxRule = rule;
		carrierId = rule.mCid;
		maxRuleParent = rule;
		} else if (maxScore > CarrierMatchingRule.SCORE_INVALID && rule.mScore == maxScore) {
		// to handle the case that child parent has the same matching score, we need to
		// differentiate who is child who is parent.
		if (rule.mParentCid == maxRule.mCid) {
		maxRule = rule;
		} else if (maxRule.mParentCid == rule.mCid) {
		maxRuleParent = rule;
		}
		}
		if (rule.mScore == CarrierMatchingRule.SCORE_MCCMNC) {
		mnoRule = rule;
		@@ -622,12 +718,23 @@ public class CarrierResolver extends Handler {
		if (maxScore == CarrierMatchingRule.SCORE_INVALID) {
		logd("[matchSubscriptionCarrier - no match] cid: " + TelephonyManager.UNKNOWN_CARRIER_ID
		+ " name: " + null);
		updateCarrierIdAndName(TelephonyManager.UNKNOWN_CARRIER_ID,
		TelephonyManager.UNKNOWN_CARRIER_ID, null);
		updateCarrierIdAndName(TelephonyManager.UNKNOWN_CARRIER_ID, null,
		TelephonyManager.UNKNOWN_CARRIER_ID, null,
		TelephonyManager.UNKNOWN_CARRIER_ID);
		} else {
		logd("[matchSubscriptionCarrier] cid: " + maxRule.mCid + " name: " + maxRule.mName);
		updateCarrierIdAndName(maxRule.mCid,
		(mnoRule == null) ? maxRule.mCid : mnoRule.mCid, maxRule.mName);
		// if there is a single matching result, check if this rule has parent cid assigned.
		if ((maxRule == maxRuleParent)
		&& maxRule.mParentCid != TelephonyManager.UNKNOWN_CARRIER_ID) {
		maxRuleParent = new CarrierMatchingRule(maxRule);
		maxRuleParent.mCid = maxRuleParent.mParentCid;
		maxRuleParent.mName = getCarrierNameFromId(maxRuleParent.mCid);
		}
		logd("[matchSubscriptionCarrier] precise cid: " + maxRule.mCid + " precise name: "
		+ maxRule.mName +" cid: " + maxRuleParent.mCid
		+ " name: " + maxRuleParent.mName);
		updateCarrierIdAndName(maxRuleParent.mCid, maxRuleParent.mName,
		maxRule.mCid, maxRule.mName,
		(mnoRule == null) ? maxRule.mCid : mnoRule.mCid);
		}

		/*
		@@ -648,7 +755,6 @@ public class CarrierResolver extends Handler {
		TelephonyMetrics.getInstance().writeCarrierIdMatchingEvent(
		mPhone.getPhoneId(), getCarrierListVersion(), mCarrierId,
		unknownMccmncToLog, unknownGid1ToLog);
		return carrierId;
		}

		public int getCarrierListVersion() {
		@@ -662,15 +768,33 @@ public class CarrierResolver extends Handler {
		public int getCarrierId() {
		return mCarrierId;
		}

		public int getMnoCarrierId() {
		return mMnoCarrierId;
		/**
		* Returns fine-grained carrier id of the current subscription. Carrier ids with a valid parent
		* id are precise carrier ids.
		* The precise carrier id can be used to further differentiate a carrier by different
		* networks, by prepaid v.s.postpaid or even by 4G v.s.3G plan. Each carrier has a unique
		* carrier id but can have multiple precise carrier id. e.g,
		* {@link #getCarrierId()} will always return Tracfone (id 2022) for a Tracfone SIM, while
		* {@link #getPreciseCarrierId()} can return Tracfone AT&T or Tracfone T-Mobile based on the
		* current underlying network.
		* For carriers without any fine-grained carrier ids, return {@link #getCarrierId()}
		*/
		public int getPreciseCarrierId() {
		return mPreciseCarrierId;
		}

		public String getCarrierName() {
		return mCarrierName;
		}

		public String getPreciseCarrierName() {
		return mPreciseCarrierName;
		}

		public int getMnoCarrierId() {
		return mMnoCarrierId;
		}

		/**
		* a util function to convert carrierIdentifier to the best matching carrier id.
		*
		@@ -694,7 +818,9 @@ public class CarrierResolver extends Handler {
		// assign null to other fields which are not supported by carrierIdentifier.
		CarrierMatchingRule targetRule =
		new CarrierMatchingRule(mccmnc, imsi, null, gid1, gid2, null,
		spn, null, null, -1, null);
		spn, null, null,
		TelephonyManager.UNKNOWN_CARRIER_ID_LIST_VERSION, null,
		TelephonyManager.UNKNOWN_CARRIER_ID);

		int carrierId = TelephonyManager.UNKNOWN_CARRIER_ID;
		int maxScore = CarrierMatchingRule.SCORE_INVALID;
		@@ -786,8 +912,10 @@ public class CarrierResolver extends Handler {
		ipw.decreaseIndent();

		ipw.println("mCarrierId: " + mCarrierId);
		ipw.println("mPreciseCarrierId: " + mPreciseCarrierId);
		ipw.println("mMnoCarrierId: " + mMnoCarrierId);
		ipw.println("mCarrierName: " + mCarrierName);
		ipw.println("mPreciseCarrierName: " + mPreciseCarrierName);
		ipw.println("version: " + getCarrierListVersion());

		ipw.println("mCarrierMatchingRules on mccmnc: "

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

+10 −0

Original line number	Diff line number	Diff line
		@@ -1579,6 +1579,16 @@ public class GsmCdmaPhone extends Phone {
		return mCarrerResolver.getMnoCarrierId();
		}

		@Override
		public int getPreciseCarrierId() {
		return mCarrerResolver.getPreciseCarrierId();
		}

		@Override
		public String getPreciseCarrierName() {
		return mCarrerResolver.getPreciseCarrierName();
		}

		@Override
		public int getCarrierIdListVersion() {
		return mCarrerResolver.getCarrierListVersion();

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

+8 −0

Original line number	Diff line number	Diff line
		@@ -3117,6 +3117,14 @@ public abstract class Phone extends Handler implements PhoneInternalInterface {
		return TelephonyManager.UNKNOWN_CARRIER_ID;
		}

		public int getPreciseCarrierId() {
		return TelephonyManager.UNKNOWN_CARRIER_ID;
		}

		public String getPreciseCarrierName() {
		return null;
		}

		public int getCarrierIdListVersion() {
		return TelephonyManager.UNKNOWN_CARRIER_ID_LIST_VERSION;
		}

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

+189 −11

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