Merge "Change eq method for connection reuse w\ dun apn" into rvc-d1-dev (b711bc75) · Commits · e / os / android_frameworks_opt_telephony

src/java/com/android/internal/telephony/dataconnection/DcTracker.java

+14 −19

Original line number	Diff line number	Diff line
		@@ -2398,7 +2398,9 @@ public class DcTracker extends Handler {
		log("apnSetting: " + apnSetting);
		if (dunSettings != null && dunSettings.size() > 0) {
		for (ApnSetting dunSetting : dunSettings) {
		if (dunSetting.equals(apnSetting)) {
		//This ignore network type as a check which is ok because that's checked
		//when calculating dun candidates.
		if (areCompatible(dunSetting, apnSetting)) {
		if (curDc.isActive()) {
		if (DBG) {
		log("checkForCompatibleDataConnection:"
		@@ -4385,22 +4387,6 @@ public class DcTracker extends Handler {
		}
		}

		private boolean containsAllApns(List<ApnSetting> oldApnList, List<ApnSetting> newApnList) {
		for (ApnSetting newApnSetting : newApnList) {
		boolean canHandle = false;
		for (ApnSetting oldApnSetting : oldApnList) {
		// Make sure at least one of the APN from old list can cover the new APN
		if (oldApnSetting.equals(newApnSetting,
		mPhone.getServiceState().getDataRoamingFromRegistration())) {
		canHandle = true;
		break;
		}
		}
		if (!canHandle) return false;
		}
		return true;
		}

		private void cleanUpConnectionsOnUpdatedApns(boolean detach, String reason) {
		if (DBG) log("cleanUpConnectionsOnUpdatedApns: detach=" + detach);
		if (mAllApnSettings.isEmpty()) {
		@@ -4419,8 +4405,7 @@ public class DcTracker extends Handler {
		apnContext.getApnType(), getDataRat());
		apnContext.setWaitingApns(waitingApns);
		for (ApnSetting apnSetting : waitingApns) {
		if (apnSetting.equals(apnContext.getApnSetting(),
		mPhone.getServiceState().getDataRoamingFromRegistration())) {
		if (areCompatible(apnSetting, apnContext.getApnSetting())) {
		cleanupRequired = false;
		break;
		}
		@@ -5175,4 +5160,14 @@ public class DcTracker extends Handler {
		public void unregisterForPhysicalLinkStateChanged(Handler h) {
		mDcc.unregisterForPhysicalLinkStateChanged(h);
		}

		// We use a specialized equals function in Apn setting when checking if an active
		// data connection is still legitimate to use against a different apn setting.
		// This method is extracted to a function to ensure that any future changes to this check will
		// be applied to both cleanUpConnectionsOnUpdatedApns and checkForCompatibleDataConnection.
		// Fix for b/158908392.
		private boolean areCompatible(ApnSetting apnSetting1, ApnSetting apnSetting2) {
		return apnSetting1.equals(apnSetting2,
		mPhone.getServiceState().getDataRoamingFromRegistration());
		}
		}

tests/telephonytests/src/com/android/internal/telephony/dataconnection/DcTrackerTest.java

+95 −15

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import static com.android.internal.telephony.dataconnection.ApnSettingTest.creat
		import static org.junit.Assert.assertArrayEquals;
		import static org.junit.Assert.assertEquals;
		import static org.junit.Assert.assertFalse;
		import static org.junit.Assert.assertNotEquals;
		import static org.junit.Assert.assertTrue;
		import static org.junit.Assert.fail;
		import static org.mockito.Matchers.any;
		@@ -109,9 +110,11 @@ import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.HashMap;
		import java.util.List;
		import java.util.Map;
		import java.util.Objects;
		import java.util.Optional;
		import java.util.concurrent.atomic.AtomicInteger;
		import java.util.stream.Collectors;

		public class DcTrackerTest extends TelephonyTest {
		public static final String FAKE_APN1 = "FAKE APN 1";
		@@ -197,6 +200,18 @@ public class DcTrackerTest extends TelephonyTest {
		private class ApnSettingContentProvider extends MockContentProvider {
		private int mPreferredApnSet = 0;

		private String mFakeApn1Types = "default,supl";

		private int mRowIdOffset = 0;

		public void setFakeApn1Types(String apnTypes) {
		mFakeApn1Types = apnTypes;
		}

		public void setRowIdOffset(int rowIdOffset) {
		mRowIdOffset = rowIdOffset;
		}

		@Override
		public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
		String sortOrder) {
		@@ -241,7 +256,7 @@ public class DcTrackerTest extends TelephonyTest {
		Telephony.Carriers.SKIP_464XLAT});

		mc.addRow(new Object[]{
		2163, // id
		2163 + mRowIdOffset, // id
		FAKE_PLMN, // numeric
		"sp-mode", // name
		FAKE_APN1, // apn
		@@ -253,7 +268,7 @@ public class DcTrackerTest extends TelephonyTest {
		"", // user
		"", // password
		-1, // authtype
		"default,supl", // types
		mFakeApn1Types, // types
		"IP", // protocol
		"IP", // roaming_protocol
		1, // carrier_enabled
		@@ -274,7 +289,7 @@ public class DcTrackerTest extends TelephonyTest {
		});

		mc.addRow(new Object[]{
		2164, // id
		2164 + mRowIdOffset, // id
		FAKE_PLMN, // numeric
		"mopera U", // name
		FAKE_APN2, // apn
		@@ -307,7 +322,7 @@ public class DcTrackerTest extends TelephonyTest {
		});

		mc.addRow(new Object[]{
		2165, // id
		2165 + mRowIdOffset, // id
		FAKE_PLMN, // numeric
		"b-mobile for Nexus", // name
		FAKE_APN3, // apn
		@@ -340,7 +355,7 @@ public class DcTrackerTest extends TelephonyTest {
		});

		mc.addRow(new Object[]{
		2166, // id
		2166 + mRowIdOffset, // id
		FAKE_PLMN, // numeric
		"sp-mode ehrpd", // name
		FAKE_APN4, // apn
		@@ -373,7 +388,7 @@ public class DcTrackerTest extends TelephonyTest {
		});

		mc.addRow(new Object[]{
		2167, // id
		2167 + mRowIdOffset, // id
		FAKE_PLMN, // numeric
		"b-mobile for Nexus", // name
		FAKE_APN5, // apn
		@@ -406,7 +421,7 @@ public class DcTrackerTest extends TelephonyTest {
		});

		mc.addRow(new Object[]{
		2168, // id
		2168 + mRowIdOffset, // id
		FAKE_PLMN, // numeric
		"sp-mode", // name
		FAKE_APN6, // apn
		@@ -621,20 +636,32 @@ public class DcTrackerTest extends TelephonyTest {
		}

		private void sendInitializationEvents() {
		logd("Sending EVENT_CARRIER_CONFIG_CHANGED");
		sendCarrierConfigChanged("");

		sendSimStateUpdated("");

		sendEventDataConnectionAttached("");

		waitForMs(200);
		}

		private void sendCarrierConfigChanged(String messagePrefix) {
		logd(messagePrefix + "Sending EVENT_CARRIER_CONFIG_CHANGED");
		mDct.sendEmptyMessage(DctConstants.EVENT_CARRIER_CONFIG_CHANGED);
		waitForLastHandlerAction(mDcTrackerTestHandler.getThreadHandler());
		}

		logd("Sending EVENT_SIM_STATE_UPDATED");
		private void sendSimStateUpdated(String messagePrefix) {
		logd(messagePrefix + "Sending EVENT_SIM_STATE_UPDATED");
		mDct.sendMessage(mDct.obtainMessage(DctConstants.EVENT_SIM_STATE_UPDATED,
		TelephonyManager.SIM_STATE_LOADED, 0));
		waitForLastHandlerAction(mDcTrackerTestHandler.getThreadHandler());
		}

		logd("Sending EVENT_DATA_CONNECTION_ATTACHED");
		private void sendEventDataConnectionAttached(String messagePrefix) {
		logd(messagePrefix + "Sending EVENT_DATA_CONNECTION_ATTACHED");
		mDct.sendMessage(mDct.obtainMessage(DctConstants.EVENT_DATA_CONNECTION_ATTACHED, null));
		waitForLastHandlerAction(mDcTrackerTestHandler.getThreadHandler());

		waitForMs(200);
		}

		// Test the unmetered APN setup when data is disabled.
		@@ -1339,9 +1366,7 @@ public class DcTrackerTest extends TelephonyTest {
		@Test
		@SmallTest
		public void testFetchDunApnWithPreferredApnSet() {
		logd("Sending EVENT_CARRIER_CONFIG_CHANGED");
		mDct.sendEmptyMessage(DctConstants.EVENT_CARRIER_CONFIG_CHANGED);
		waitForLastHandlerAction(mDcTrackerTestHandler.getThreadHandler());
		sendCarrierConfigChanged("testFetchDunApnWithPreferredApnSet: ");

		// apnSetId=1
		String dunApnString1 = "[ApnSettingV5]HOT mobile PC,pc.hotm,,,,,,,,,440,10,,DUN,,,true,"
		@@ -1387,6 +1412,61 @@ public class DcTrackerTest extends TelephonyTest {
		Settings.Global.TETHER_DUN_APN, null);
		}

		// This tests simulates the race case where the sim status change event is triggered, the
		// default data connection is attached, and then the carrier config gets changed which bumps
		// the database id which we want to ignore when cleaning up connections and matching against
		// the dun APN. Tests b/158908392.
		@Test
		@SmallTest
		public void testCheckForCompatibleDataConnectionWithDunWhenIdsChange() throws Exception {
		//Set dun as a support apn type of FAKE_APN1
		mApnSettingContentProvider.setFakeApn1Types("default,supl,dun");

		// Enable the default apn
		mSimulatedCommands.setDataCallResult(true, createSetupDataCallResult());
		mDct.enableApn(ApnSetting.TYPE_DEFAULT, DcTracker.REQUEST_TYPE_NORMAL, null);
		waitForLastHandlerAction(mDcTrackerTestHandler.getThreadHandler());

		//Load the sim and attach the data connection without firing the carrier changed event
		final String logMsgPrefix = "testCheckForCompatibleDataConnectionWithDunWhenIdsChange: ";
		sendSimStateUpdated(logMsgPrefix);
		sendEventDataConnectionAttached(logMsgPrefix);
		waitForMs(200);

		// Confirm that FAKE_APN1 comes up as a dun candidate
		ApnSetting dunApn = mDct.fetchDunApns().get(0);
		assertEquals(dunApn.getApnName(), FAKE_APN1);
		Map<Integer, ApnContext> apnContexts = mDct.getApnContexts()
		.stream().collect(Collectors.toMap(ApnContext::getApnTypeBitmask, x -> x));

		//Double check that the default apn content is connected while the dun apn context is not
		assertEquals(apnContexts.get(ApnSetting.TYPE_DEFAULT).getState(),
		DctConstants.State.CONNECTED);
		assertNotEquals(apnContexts.get(ApnSetting.TYPE_DUN).getState(),
		DctConstants.State.CONNECTED);


		//Change the row ids the same way as what happens when we have old apn values in the
		//carrier table
		mApnSettingContentProvider.setRowIdOffset(100);
		sendCarrierConfigChanged(logMsgPrefix);
		waitForMs(200);

		mDct.enableApn(ApnSetting.TYPE_DUN, DcTracker.REQUEST_TYPE_NORMAL, null);
		waitForLastHandlerAction(mDcTrackerTestHandler.getThreadHandler());

		Map<Integer, ApnContext> apnContextsAfterRowIdsChanged = mDct.getApnContexts()
		.stream().collect(Collectors.toMap(ApnContext::getApnTypeBitmask, x -> x));

		//Make sure that the data connection used earlier wasn't cleaned up and still in use.
		assertEquals(apnContexts.get(ApnSetting.TYPE_DEFAULT).getDataConnection(),
		apnContextsAfterRowIdsChanged.get(ApnSetting.TYPE_DEFAULT).getDataConnection());

		//Check that the DUN is using the same active data connection
		assertEquals(apnContexts.get(ApnSetting.TYPE_DEFAULT).getDataConnection(),
		apnContextsAfterRowIdsChanged.get(ApnSetting.TYPE_DUN).getDataConnection());
		}

		// Test oos
		@Test
		@SmallTest