Merge changes from topic "140070796" am: f10bf7edbd (63508c9b) · Commits · e / os / android_frameworks_opt_telephony

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

+28 −6

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		package com.android.internal.telephony;

		import static android.telephony.AccessNetworkConstants.TRANSPORT_TYPE_WWAN;
		import static android.telephony.CarrierConfigManager.KEY_DATA_SWITCH_VALIDATION_MIN_GAP_LONG;
		import static android.telephony.NetworkRegistrationInfo.DOMAIN_PS;

		import android.content.Context;
		@@ -26,6 +27,8 @@ import android.net.NetworkCapabilities;
		import android.net.NetworkRequest;
		import android.net.TelephonyNetworkSpecifier;
		import android.os.Handler;
		import android.os.PersistableBundle;
		import android.telephony.CarrierConfigManager;
		import android.telephony.CellIdentity;
		import android.telephony.CellIdentityLte;
		import android.telephony.CellInfo;
		@@ -50,6 +53,9 @@ import java.util.concurrent.TimeUnit;
		*/
		public class CellularNetworkValidator {
		private static final String LOG_TAG = "NetworkValidator";
		// If true, upon validated network cache hit, we report validationDone only when
		// network becomes available. Otherwise, we report validationDone immediately.
		private static boolean sWaitForNetworkAvailableWhenCacheHit = true;

		// States of validator. Only one validation can happen at once.
		// IDLE: no validation going on.
		@@ -64,7 +70,7 @@ public class CellularNetworkValidator {
		// Singleton instance.
		private static CellularNetworkValidator sInstance;
		@VisibleForTesting
		public static long mValidationCacheTtl = TimeUnit.DAYS.toMillis(1);
		public static final long MAX_VALIDATION_CACHE_TTL = TimeUnit.DAYS.toMillis(1);

		private int mState = STATE_IDLE;
		private int mSubId;
		@@ -83,7 +89,7 @@ public class CellularNetworkValidator {
		public Runnable mTimeoutCallback;
		private final ValidatedNetworkCache mValidatedNetworkCache = new ValidatedNetworkCache();

		private static class ValidatedNetworkCache {
		private class ValidatedNetworkCache {
		// A cache with fixed size. It remembers 10 most recently successfully validated networks.
		private static final int VALIDATED_NETWORK_CACHE_SIZE = 10;
		private final PriorityQueue<ValidatedNetwork> mValidatedNetworkPQ =
		@@ -98,7 +104,7 @@ public class CellularNetworkValidator {
		});
		private final Map<String, ValidatedNetwork> mValidatedNetworkMap = new HashMap();

		private static final class ValidatedNetwork {
		private final class ValidatedNetwork {
		ValidatedNetwork(String identity, long timeStamp) {
		mValidationIdentity = identity;
		mValidationTimeStamp = timeStamp;
		@@ -111,7 +117,7 @@ public class CellularNetworkValidator {
		}

		boolean isRecentlyValidated(int subId) {
		long cacheTtl = getValidationCacheTtl();
		long cacheTtl = getValidationCacheTtl(subId);
		String networkIdentity = getValidationNetworkIdentity(subId);
		if (networkIdentity == null \|\| !mValidatedNetworkMap.containsKey(networkIdentity)) {
		return false;
		@@ -177,8 +183,18 @@ public class CellularNetworkValidator {
		+ ((CellIdentityLte) cellIdentity).getTac() + "_" + subId;
		}

		private long getValidationCacheTtl() {
		return mValidationCacheTtl;
		private long getValidationCacheTtl(int subId) {
		long ttl = 0;
		CarrierConfigManager configManager = (CarrierConfigManager)
		mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE);
		if (configManager != null) {
		PersistableBundle b = configManager.getConfigForSubId(subId);
		if (b != null) {
		ttl = b.getLong(KEY_DATA_SWITCH_VALIDATION_MIN_GAP_LONG);
		}
		}
		// Ttl can't be bigger than one day for now.
		return Math.min(ttl, MAX_VALIDATION_CACHE_TTL);
		}
		}

		@@ -249,6 +265,12 @@ public class CellularNetworkValidator {
		stopValidation();
		}

		if (!sWaitForNetworkAvailableWhenCacheHit && mValidatedNetworkCache
		.isRecentlyValidated(subId)) {
		callback.onValidationDone(true, subId);
		return;
		}

		mState = STATE_VALIDATING;
		mSubId = subId;
		mTimeoutInMs = timeoutInMs;

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

+13 −1

Original line number	Diff line number	Diff line
		@@ -28,10 +28,13 @@ import static org.mockito.Mockito.clearInvocations;
		import static org.mockito.Mockito.doReturn;
		import static org.mockito.Mockito.verify;

		import android.content.Context;
		import android.net.Network;
		import android.net.NetworkCapabilities;
		import android.net.NetworkRequest;
		import android.net.TelephonyNetworkSpecifier;
		import android.os.PersistableBundle;
		import android.telephony.CarrierConfigManager;
		import android.telephony.CellIdentityLte;
		import android.telephony.NetworkRegistrationInfo;
		import android.telephony.PhoneCapability;
		@@ -69,6 +72,7 @@ public class CellularNetworkValidatorTest extends TelephonyTest {
		mValidatorUT = new CellularNetworkValidator(mContext);
		doReturn(true).when(mSubscriptionController).isActiveSubId(anyInt());
		processAllMessages();
		setCacheTtlInCarrierConfig(5000);
		}

		@After
		@@ -267,7 +271,7 @@ public class CellularNetworkValidatorTest extends TelephonyTest {
		testValidateSuccess();

		// Mark mValidationCacheTtl to only 1 second.
		mValidatorUT.mValidationCacheTtl = 1000;
		setCacheTtlInCarrierConfig(1000);
		waitForMs(1100);

		resetStates();
		@@ -447,4 +451,12 @@ public class CellularNetworkValidatorTest extends TelephonyTest {
		clearInvocations(mConnectivityManager);
		clearInvocations(mCallback);
		}

		private void setCacheTtlInCarrierConfig(long ttl) {
		// Mark to skip validation in 5 seconds.
		CarrierConfigManager carrierConfigManager = (CarrierConfigManager)
		mContext.getSystemService(Context.CARRIER_CONFIG_SERVICE);
		PersistableBundle bundle = carrierConfigManager.getConfigForSubId(anyInt());
		bundle.putLong(CarrierConfigManager.KEY_DATA_SWITCH_VALIDATION_MIN_GAP_LONG, ttl);
		}
		}