Merge "Support handover retry" (8530d0e8) · Commits · e / os / android_frameworks_opt_telephony

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

+31 −14

Original line number	Diff line number	Diff line
		@@ -58,6 +58,7 @@ import android.telephony.SubscriptionManager;
		import android.telephony.TelephonyManager;
		import android.telephony.data.ApnSetting;
		import android.telephony.data.DataCallResponse;
		import android.telephony.data.DataCallResponse.HandoverFailureMode;
		import android.telephony.data.DataProfile;
		import android.telephony.data.DataService;
		import android.telephony.data.DataServiceCallback;
		@@ -263,6 +264,9 @@ public class DataConnection extends StateMachine {
		@DataFailureCause
		private int mDcFailCause;

		@HandoverFailureMode
		private int mHandoverFailureMode;

		private Phone mPhone;
		private DataServiceManager mDataServiceManager;
		private final int mTransportType;
		@@ -864,7 +868,8 @@ public class DataConnection extends StateMachine {
		if (apnContext == alreadySent) continue;
		if (reason != null) apnContext.setReason(reason);
		Pair<ApnContext, Integer> pair = new Pair<>(apnContext, cp.mConnectionGeneration);
		Message msg = mDct.obtainMessage(event, mCid, cp.mRequestType, pair);
		Message msg = mDct.obtainMessage(event, cp.mRequestType,
		DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN, pair);
		AsyncResult.forMessage(msg);
		msg.sendToTarget();
		}
		@@ -875,10 +880,11 @@ public class DataConnection extends StateMachine {
		*
		* @param cp is the ConnectionParams
		* @param cause and if no error the cause is DataFailCause.NONE
		* @param handoverFailureMode The action on handover failure
		* @param sendAll is true if all contexts are to be notified
		*/
		private void notifyConnectCompleted(ConnectionParams cp, @DataFailureCause int cause,
		boolean sendAll) {
		@HandoverFailureMode int handoverFailureMode, boolean sendAll) {
		ApnContext alreadySent = null;

		if (cp != null && cp.mOnCompletedMsg != null) {
		@@ -888,8 +894,8 @@ public class DataConnection extends StateMachine {
		alreadySent = cp.mApnContext;

		long timeStamp = System.currentTimeMillis();
		connectionCompletedMsg.arg1 = mCid;
		connectionCompletedMsg.arg2 = cp.mRequestType;
		connectionCompletedMsg.arg1 = cp.mRequestType;
		connectionCompletedMsg.arg2 = handoverFailureMode;

		if (cause == DataFailCause.NONE) {
		mCreateTime = timeStamp;
		@@ -1004,6 +1010,7 @@ public class DataConnection extends StateMachine {
		mUplinkBandwidth = 14;
		mIsSuspended = false;
		mHandoverState = HANDOVER_STATE_IDLE;
		mHandoverFailureMode = DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN;
		}

		/**
		@@ -1748,7 +1755,8 @@ public class DataConnection extends StateMachine {
		case EVENT_CONNECT:
		if (DBG) log("DcDefaultState: msg.what=EVENT_CONNECT, fail not expected");
		ConnectionParams cp = (ConnectionParams) msg.obj;
		notifyConnectCompleted(cp, DataFailCause.UNKNOWN, false);
		notifyConnectCompleted(cp, DataFailCause.UNKNOWN,
		DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN, false);
		break;

		case EVENT_DISCONNECT:
		@@ -1826,12 +1834,13 @@ public class DataConnection extends StateMachine {
		*/
		private class DcInactiveState extends State {
		// Inform all contexts we've failed connecting
		public void setEnterNotificationParams(ConnectionParams cp,
		@DataFailureCause int cause) {
		public void setEnterNotificationParams(ConnectionParams cp, @DataFailureCause int cause,
		@HandoverFailureMode int handoverFailureMode) {
		if (VDBG) log("DcInactiveState: setEnterNotificationParams cp,cause");
		mConnectionParams = cp;
		mDisconnectParams = null;
		mDcFailCause = cause;
		mHandoverFailureMode = handoverFailureMode;
		}

		// Inform all contexts we've failed disconnected
		@@ -1860,6 +1869,7 @@ public class DataConnection extends StateMachine {
		mApnSetting != null
		? mApnSetting.canHandleType(ApnSetting.TYPE_DEFAULT) : false);
		if (mHandoverState == HANDOVER_STATE_BEING_TRANSFERRED) {
		// This is from source data connection to set itself's state
		setHandoverState(HANDOVER_STATE_COMPLETED);
		}

		@@ -1895,7 +1905,7 @@ public class DataConnection extends StateMachine {
		log("DcInactiveState: enter notifyConnectCompleted +ALL failCause="
		+ mDcFailCause);
		}
		notifyConnectCompleted(mConnectionParams, mDcFailCause, true);
		notifyConnectCompleted(mConnectionParams, mDcFailCause, mHandoverFailureMode, true);
		}
		if (mDisconnectParams != null) {
		if (DBG) {
		@@ -1948,7 +1958,7 @@ public class DataConnection extends StateMachine {
		if (!initConnection(cp)) {
		log("DcInactiveState: msg.what=EVENT_CONNECT initConnection failed");
		notifyConnectCompleted(cp, DataFailCause.UNACCEPTABLE_NETWORK_PARAMETER,
		false);
		DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN, false);
		transitionTo(mInactiveState);
		return HANDLED;
		}
		@@ -1956,7 +1966,8 @@ public class DataConnection extends StateMachine {
		int cause = connect(cp);
		if (cause != DataFailCause.NONE) {
		log("DcInactiveState: msg.what=EVENT_CONNECT connect failed");
		notifyConnectCompleted(cp, cause, false);
		notifyConnectCompleted(cp, cause,
		DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN, false);
		transitionTo(mInactiveState);
		return HANDLED;
		}
		@@ -2056,7 +2067,8 @@ public class DataConnection extends StateMachine {
		// Vendor ril rejected the command and didn't connect.
		// Transition to inactive but send notifications after
		// we've entered the mInactive state.
		mInactiveState.setEnterNotificationParams(cp, result.mFailCause);
		mInactiveState.setEnterNotificationParams(cp, result.mFailCause,
		DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN);
		transitionTo(mInactiveState);
		break;
		case ERROR_INVALID_ARG:
		@@ -2088,7 +2100,10 @@ public class DataConnection extends StateMachine {
		// Save the cause. DcTracker.onDataSetupComplete will check this
		// failure cause and determine if we need to retry this APN later
		// or not.
		mInactiveState.setEnterNotificationParams(cp, result.mFailCause);
		mInactiveState.setEnterNotificationParams(cp, result.mFailCause,
		// TODO: The actual failure mode should come from the underlying
		// data service
		DataCallResponse.HANDOVER_FAILURE_MODE_LEGACY);
		transitionTo(mInactiveState);
		break;
		case ERROR_STALE:
		@@ -2290,7 +2305,8 @@ public class DataConnection extends StateMachine {
		if (DBG) {
		log("DcActiveState: EVENT_CONNECT cp=" + cp + " dc=" + DataConnection.this);
		}
		notifyConnectCompleted(cp, DataFailCause.NONE, false);
		notifyConnectCompleted(cp, DataFailCause.NONE,
		DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN, false);
		retVal = HANDLED;
		break;
		}
		@@ -2698,7 +2714,8 @@ public class DataConnection extends StateMachine {
		// Transition to inactive but send notifications after
		// we've entered the mInactive state.
		mInactiveState.setEnterNotificationParams(cp,
		DataFailCause.UNACCEPTABLE_NETWORK_PARAMETER);
		DataFailCause.UNACCEPTABLE_NETWORK_PARAMETER,
		DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN);
		transitionTo(mInactiveState);
		} else {
		if (DBG) {

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

+39 −24

Original line number	Diff line number	Diff line
		@@ -84,6 +84,8 @@ import android.telephony.TelephonyManager;
		import android.telephony.TelephonyManager.SimState;
		import android.telephony.cdma.CdmaCellLocation;
		import android.telephony.data.ApnSetting;
		import android.telephony.data.DataCallResponse;
		import android.telephony.data.DataCallResponse.HandoverFailureMode;
		import android.telephony.data.DataProfile;
		import android.telephony.gsm.GsmCellLocation;
		import android.text.TextUtils;
		@@ -483,7 +485,8 @@ public class DcTracker extends Handler {
		}
		}

		private void onDataReconnect(ApnContext apnContextforRetry, int subId) {
		private void onDataReconnect(ApnContext apnContextforRetry, int subId,
		@RequestNetworkType int requestType) {
		int phoneSubId = mPhone.getSubId();
		String apnType = apnContextforRetry.getApnType();
		String reason = apnContextforRetry.getReason();
		@@ -2202,16 +2205,17 @@ public class DcTracker extends Handler {
		return retry;
		}

		protected void startReconnect(long delay, ApnContext apnContext) {
		protected void startReconnect(long delay, ApnContext apnContext,
		@RequestNetworkType int requestType) {
		Message msg = obtainMessage(DctConstants.EVENT_DATA_RECONNECT,
		mPhone.getSubId(), mTransportType, apnContext);
		mPhone.getSubId(), requestType, apnContext);
		cancelReconnect(apnContext);
		sendMessageDelayed(msg, delay);

		if (DBG) {
		log("startReconnect: delay=" + delay + " apn="
		+ apnContext + "reason: " + apnContext.getReason()
		+ " subId: " + mPhone.getSubId());
		+ " subId=" + mPhone.getSubId() + " request type=" + requestType);
		}
		}

		@@ -2385,6 +2389,7 @@ public class DcTracker extends Handler {
		private void sendRequestNetworkCompleteMsg(Message message, boolean success,
		@TransportType int transport,
		@RequestNetworkType int requestType,
		@HandoverFailureMode int handoverFailureMode,
		@DataFailureCause int cause) {
		if (message == null) return;

		@@ -2392,11 +2397,11 @@ public class DcTracker extends Handler {
		b.putBoolean(DATA_COMPLETE_MSG_EXTRA_SUCCESS, success);
		b.putInt(DATA_COMPLETE_MSG_EXTRA_REQUEST_TYPE, requestType);
		b.putInt(DATA_COMPLETE_MSG_EXTRA_TRANSPORT_TYPE, transport);
		// TODO: For now this is the only fail cause that we know modem keeps data connection on
		// original transport. Might add more complicated logic or mapping in the future.
		b.putBoolean(DATA_COMPLETE_MSG_EXTRA_HANDOVER_FAILURE_FALLBACK,
		(requestType == REQUEST_TYPE_HANDOVER
		&& cause == DataFailCause.HANDOFF_PREFERENCE_CHANGED));
		(handoverFailureMode == DataCallResponse.HANDOVER_FAILURE_MODE_DO_FALLBACK
		\|\| (handoverFailureMode
		== DataCallResponse.HANDOVER_FAILURE_MODE_LEGACY
		&& cause == DataFailCause.HANDOFF_PREFERENCE_CHANGED)));
		message.sendToTarget();
		}

		@@ -2412,7 +2417,7 @@ public class DcTracker extends Handler {
		if (apnContext == null) {
		loge("onEnableApn(" + apnType + "): NO ApnContext");
		sendRequestNetworkCompleteMsg(onCompleteMsg, false, mTransportType, requestType,
		DataFailCause.NONE);
		DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN, DataFailCause.NONE);
		return;
		}

		@@ -2428,7 +2433,7 @@ public class DcTracker extends Handler {
		if (DBG) log(str);
		apnContext.requestLog(str);
		sendRequestNetworkCompleteMsg(onCompleteMsg, false, mTransportType, requestType,
		DataFailCause.NONE);
		DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN, DataFailCause.NONE);
		return;
		}

		@@ -2444,13 +2449,15 @@ public class DcTracker extends Handler {
		if (DBG) log("onEnableApn: 'CONNECTED' so return");
		// Don't add to local log since this is so common
		sendRequestNetworkCompleteMsg(onCompleteMsg, true, mTransportType,
		requestType, DataFailCause.NONE);
		requestType, DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN,
		DataFailCause.NONE);
		return;
		case DISCONNECTING:
		if (DBG) log("onEnableApn: 'DISCONNECTING' so return");
		apnContext.requestLog("onEnableApn state=DISCONNECTING, so return");
		sendRequestNetworkCompleteMsg(onCompleteMsg, false, mTransportType,
		requestType, DataFailCause.NONE);
		requestType, DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN,
		DataFailCause.NONE);
		return;
		case IDLE:
		// fall through: this is unexpected but if it happens cleanup and try setup
		@@ -2479,7 +2486,8 @@ public class DcTracker extends Handler {
		addRequestNetworkCompleteMsg(onCompleteMsg, apnType);
		} else {
		sendRequestNetworkCompleteMsg(onCompleteMsg, false, mTransportType,
		requestType, DataFailCause.NONE);
		requestType, DataCallResponse.HANDOVER_FAILURE_MODE_UNKNOWN,
		DataFailCause.NONE);
		}
		} else {
		log("onEnableApn: config not ready yet.");
		@@ -2750,12 +2758,13 @@ public class DcTracker extends Handler {
		* there is an error this method will call {@link #onDataSetupCompleteError}.
		*/
		protected void onDataSetupComplete(ApnContext apnContext, boolean success, int cause,
		@RequestNetworkType int requestType) {
		@RequestNetworkType int requestType, @HandoverFailureMode int handoverFailureMode) {
		int apnType = ApnSetting.getApnTypesBitmaskFromString(apnContext.getApnType());
		List<Message> messageList = mRequestNetworkCompletionMsgs.get(apnType);
		if (messageList != null) {
		for (Message msg : messageList) {
		sendRequestNetworkCompleteMsg(msg, success, mTransportType, requestType, cause);
		sendRequestNetworkCompleteMsg(msg, success, mTransportType, requestType,
		handoverFailureMode, cause);
		}
		messageList.clear();
		}
		@@ -2913,7 +2922,7 @@ public class DcTracker extends Handler {
		* Error has occurred during the SETUP {aka bringUP} request and the DCT
		* should either try the next waiting APN or start over from the
		* beginning if the list is empty. Between each SETUP request there will
		* be a delay defined by {@link #getApnDelay()}.
		* be a delay defined by {@link ApnContext#getDelayForNextApn(boolean)}.
		*/
		protected void onDataSetupCompleteError(ApnContext apnContext,
		@RequestNetworkType int requestType) {
		@@ -2927,7 +2936,7 @@ public class DcTracker extends Handler {
		// Wait a bit before trying the next APN, so that
		// we're not tying up the RIL command channel

		startReconnect(delay, apnContext);
		startReconnect(delay, apnContext, requestType);
		} else {
		// If we are not going to retry any APN, set this APN context to failed state.
		// This would be the final state of a data connection.
		@@ -3007,7 +3016,7 @@ public class DcTracker extends Handler {
		if (delay > 0) {
		// Data connection is in IDLE state, so when we reconnect later, we'll rebuild
		// the waiting APN list, which will also reset/reconfigure the retry manager.
		startReconnect(delay, apnContext);
		startReconnect(delay, apnContext, REQUEST_TYPE_NORMAL);
		}
		} else {
		boolean restartRadioAfterProvisioning = mPhone.getContext().getResources().getBoolean(
		@@ -3424,6 +3433,7 @@ public class DcTracker extends Handler {
		ApnContext apnContext;
		int generation;
		int requestType;
		int handoverFailureMode;
		switch (msg.what) {
		case DctConstants.EVENT_DATA_CONNECTION_DETACHED:
		onDataConnectionDetached();
		@@ -3572,7 +3582,8 @@ public class DcTracker extends Handler {
		pair = (Pair<ApnContext, Integer>) ar.userObj;
		apnContext = pair.first;
		generation = pair.second;
		requestType = msg.arg2;
		requestType = msg.arg1;
		handoverFailureMode = msg.arg2;
		if (apnContext.getConnectionGeneration() == generation) {
		boolean success = true;
		int cause = DataFailCause.UNKNOWN;
		@@ -3580,7 +3591,8 @@ public class DcTracker extends Handler {
		success = false;
		cause = (int) ar.result;
		}
		onDataSetupComplete(apnContext, success, cause, requestType);
		onDataSetupComplete(apnContext, success, cause, requestType,
		handoverFailureMode);
		} else {
		loge("EVENT_DATA_SETUP_COMPLETE: Dropped the event because generation "
		+ "did not match.");
		@@ -3592,9 +3604,9 @@ public class DcTracker extends Handler {
		pair = (Pair<ApnContext, Integer>) ar.userObj;
		apnContext = pair.first;
		generation = pair.second;
		requestType = msg.arg2;
		handoverFailureMode = msg.arg2;
		if (apnContext.getConnectionGeneration() == generation) {
		onDataSetupCompleteError(apnContext, requestType);
		onDataSetupCompleteError(apnContext, handoverFailureMode);
		} else {
		loge("EVENT_DATA_SETUP_COMPLETE_ERROR: Dropped the event because generation "
		+ "did not match.");
		@@ -3743,8 +3755,11 @@ public class DcTracker extends Handler {
		break;
		}
		case DctConstants.EVENT_DATA_RECONNECT:
		if (DBG) log("EVENT_DATA_RECONNECT: subId=" + msg.arg1);
		onDataReconnect((ApnContext) msg.obj, msg.arg1);
		if (DBG) {
		log("EVENT_DATA_RECONNECT: subId=" + msg.arg1 + ", type="
		+ requestTypeToString(msg.arg2));
		}
		onDataReconnect((ApnContext) msg.obj, msg.arg1, msg.arg2);
		break;
		case DctConstants.EVENT_DATA_SERVICE_BINDING_CHANGED:
		onDataServiceBindingChanged((Boolean) ((AsyncResult) msg.obj).result);

src/java/com/android/internal/telephony/vendor/dataconnection/VendorDcTracker.java

+4 −3

Original line number	Diff line number	Diff line
		@@ -22,6 +22,7 @@ import android.telephony.DataFailCause;
		import android.telephony.Rlog;
		import android.telephony.ServiceState;
		import android.telephony.SubscriptionManager;
		import android.telephony.data.DataCallResponse.HandoverFailureMode;
		import android.view.WindowManager;

		import com.android.internal.telephony.DctConstants;
		@@ -131,7 +132,7 @@ public class VendorDcTracker extends DcTracker {

		@Override
		protected void onDataSetupComplete(ApnContext apnContext, boolean success, int cause,
		@RequestNetworkType int requestType) {
		@RequestNetworkType int requestType, @HandoverFailureMode int handoverFailureMode) {
		boolean isPdpRejectConfigEnabled = mPhone.getContext().getResources().getBoolean(
		com.android.internal.R.bool.config_pdp_reject_enable_retry);
		if (success) {
		@@ -142,7 +143,7 @@ public class VendorDcTracker extends DcTracker {
		mPdpRejectCauseCode = cause;
		}

		super.onDataSetupComplete(apnContext, success, cause, requestType);
		super.onDataSetupComplete(apnContext, success, cause, requestType, handoverFailureMode);
		}

		@Override
		@@ -187,7 +188,7 @@ public class VendorDcTracker extends DcTracker {
		// Wait a bit before trying the next APN, so that
		// we're not tying up the RIL command channel

		startReconnect(delay, apnContext);
		startReconnect(delay, apnContext, requestType);
		} else {
		// If we are not going to retry any APN, set this APN context to failed state.
		// This would be the final state of a data connection.

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

+2 −4

Original line number	Diff line number	Diff line
		@@ -760,8 +760,7 @@ public class DcTrackerTest extends TelephonyTest {
		//Send event for reconnecting data
		initApns(PhoneConstants.APN_TYPE_DEFAULT, new String[]{PhoneConstants.APN_TYPE_ALL});
		mDct.sendMessage(mDct.obtainMessage(DctConstants.EVENT_DATA_RECONNECT,
		mPhone.getPhoneId(), AccessNetworkConstants.TRANSPORT_TYPE_WWAN,
		mApnContext));
		mPhone.getPhoneId(), DcTracker.REQUEST_TYPE_NORMAL, mApnContext));
		waitForLastHandlerAction(mDcTrackerTestHandler.getThreadHandler());

		// Data connection is running on a different thread. Have to wait.
		@@ -1319,8 +1318,7 @@ public class DcTrackerTest extends TelephonyTest {
		//Send event for reconnecting data
		initApns(PhoneConstants.APN_TYPE_DEFAULT, new String[]{PhoneConstants.APN_TYPE_ALL});
		mDct.sendMessage(mDct.obtainMessage(DctConstants.EVENT_DATA_RECONNECT,
		mPhone.getPhoneId(), AccessNetworkConstants.TRANSPORT_TYPE_WWAN,
		mApnContext));
		mPhone.getPhoneId(), DcTracker.RELEASE_TYPE_NORMAL, mApnContext));
		waitForLastHandlerAction(mDcTrackerTestHandler.getThreadHandler());

		// Data connection is running on a different thread. Have to wait.