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Commit a14f8dbc authored by Hyosun Kim's avatar Hyosun Kim
Browse files

Support DISABLING_SATELLITE state in satellite state machine 

Bug: 336904554
Test: SatelliteSessionControllerTest cts/SatelliteManagerTestOnMockService
Test: Manual test with demo

Change-Id: I1ad727bde3e4023341efea32ae20b5a5814f2a42
parent c2077bac

src/java/com/android/internal/telephony/satellite/SatelliteSessionController.java

+58 −0
Original line number Diff line number Diff line
@@ -123,6 +123,7 @@ public class SatelliteSessionController extends StateMachine { 
    @NonNull private final UnavailableState mUnavailableState = new UnavailableState();

    @NonNull private final PowerOffState mPowerOffState = new PowerOffState();

    @NonNull private final EnablingState mEnablingState = new EnablingState();

    @NonNull private final DisablingState mDisablingState = new DisablingState();

    @NonNull private final IdleState mIdleState = new IdleState();

    @NonNull private final TransferringState mTransferringState = new TransferringState();

    @NonNull private final ListeningState mListeningState = new ListeningState();
@@ -222,6 +223,7 @@ public class SatelliteSessionController extends StateMachine { 
        addState(mUnavailableState);

        addState(mPowerOffState);

        addState(mEnablingState);

        addState(mDisablingState);

        addState(mIdleState);

        addState(mTransferringState);

        addState(mListeningState);
@@ -521,6 +523,41 @@ public class SatelliteSessionController extends StateMachine { 
        }

    }



    private class DisablingState extends State {

        @Override

        public void enter() {

            if (DBG) logd("Entering DisablingState");



            mCurrentState = SatelliteManager.SATELLITE_MODEM_STATE_DISABLING_SATELLITE;

            notifyStateChangedEvent(SatelliteManager.SATELLITE_MODEM_STATE_DISABLING_SATELLITE);

        }



        @Override

        public void exit() {

            if (DBG) logd("Exiting DisablingState");

        }



        @Override

        public boolean processMessage(Message msg) {

            if (DBG) log("DisablingState: processing " + getWhatToString(msg.what));

            switch (msg.what) {

                case EVENT_SATELLITE_ENABLED_STATE_CHANGED:

                    handleSatelliteEnabledStateChanged((boolean) msg.obj);

                    break;

            }

            // Ignore all unexpected events.

            return HANDLED;

        }



        private void handleSatelliteEnabledStateChanged(boolean on) {

            if (on) {

                logw("Unexpected power on event while disabling satellite");

            } else {

                transitionTo(mPowerOffState);

            }

        }

    }



    private class IdleState extends State {

        @Override

        public void enter() {
@@ -547,6 +584,9 @@ public class SatelliteSessionController extends StateMachine { 
                    handleEventDisableCellularModemWhileSatelliteModeIsOnDone(

                            (AsyncResult) msg.obj);

                    break;

                case EVENT_SATELLITE_ENABLEMENT_STARTED:

                    handleSatelliteEnablementStarted((boolean) msg.obj);

                    break;

            }

            // Ignore all unexpected events.

            return HANDLED;
@@ -637,6 +677,9 @@ public class SatelliteSessionController extends StateMachine { 
                case EVENT_SATELLITE_MODEM_STATE_CHANGED:

                    handleEventSatelliteModemStateChange(msg.arg1);

                    break;

                case EVENT_SATELLITE_ENABLEMENT_STARTED:

                    handleSatelliteEnablementStarted((boolean) msg.obj);

                    break;

            }

            // Ignore all unexpected events.

            return HANDLED;
@@ -704,6 +747,9 @@ public class SatelliteSessionController extends StateMachine { 
                case EVENT_SATELLITE_ENABLED_STATE_CHANGED:

                    handleSatelliteEnabledStateChanged(!(boolean) msg.obj, "ListeningState");

                    break;

                case EVENT_SATELLITE_ENABLEMENT_STARTED:

                    handleSatelliteEnablementStarted((boolean) msg.obj);

                    break;

            }

            // Ignore all unexpected events.

            return HANDLED;
@@ -763,6 +809,9 @@ public class SatelliteSessionController extends StateMachine { 
                case EVENT_DATAGRAM_TRANSFER_STATE_CHANGED:

                    handleEventDatagramTransferStateChanged((DatagramTransferState) msg.obj);

                    break;

                case EVENT_SATELLITE_ENABLEMENT_STARTED:

                    handleSatelliteEnablementStarted((boolean) msg.obj);

                    break;

            }

            // Ignore all unexpected events.

            return HANDLED;
@@ -825,6 +874,9 @@ public class SatelliteSessionController extends StateMachine { 
                case EVENT_DATAGRAM_TRANSFER_STATE_CHANGED:

                    handleEventDatagramTransferStateChanged((DatagramTransferState) msg.obj);

                    break;

                case EVENT_SATELLITE_ENABLEMENT_STARTED:

                    handleSatelliteEnablementStarted((boolean) msg.obj);

                    break;

            }

            // Ignore all unexpected events.

            return HANDLED;
@@ -1030,6 +1082,12 @@ public class SatelliteSessionController extends StateMachine { 
        }

    }



    private void handleSatelliteEnablementStarted(boolean enabled) {

        if (!enabled) {

            transitionTo(mDisablingState);

        }

    }



    private boolean isMockModemAllowed() {

        return (DEBUG || SystemProperties.getBoolean(ALLOW_MOCK_MODEM_PROPERTY, false));

    }

tests/telephonytests/src/com/android/internal/telephony/satellite/SatelliteSessionControllerTest.java

+143 −0
Original line number Diff line number Diff line
@@ -72,6 +72,7 @@ public class SatelliteSessionControllerTest extends TelephonyTest { 
    private static final String STATE_UNAVAILABLE = "UnavailableState";

    private static final String STATE_POWER_OFF = "PowerOffState";

    private static final String STATE_ENABLING_SATELLITE = "EnablingState";

    private static final String STATE_DISABLING_SATELLITE = "DisablingState";

    private static final String STATE_IDLE = "IdleState";

    private static final String STATE_TRANSFERRING = "TransferringState";

    private static final String STATE_LISTENING = "ListeningState";
@@ -927,6 +928,62 @@ public class SatelliteSessionControllerTest extends TelephonyTest { 
        powerOnSatelliteModem();

    }



    @Test

    public void testDisablingSatellite() {

        // Since satellite is supported, SatelliteSessionController should move to POWER_OFF state.

        assertNotNull(mTestSatelliteSessionController);

        assertEquals(STATE_POWER_OFF, mTestSatelliteSessionController.getCurrentStateName());



        // IDLE -> DISABLING

        moveToIdleState();

        moveSatelliteToDisablingState();



        // DISABLING -> POWER_OFF

        moveToPowerOffState();



        // TRANSFERRING -> DISABLING

        moveToIdleState();

        moveIdleToTransferringState();

        moveSatelliteToDisablingState();



        // DISABLING -> POWER_OFF

        moveToPowerOffState();



        // LISTENING -> DISABLING

        moveToIdleState();

        moveIdleToTransferringState();

        moveTransferringToListeningState();

        moveSatelliteToDisablingState();



        // DISABLING -> POWER_OFF

        moveToPowerOffState();

    }



    @Test

    public void testDisablingSatelliteForNblot() {

        when(mMockSatelliteController.isSatelliteAttachRequired()).thenReturn(true);



        // Since satellite is supported, SatelliteSessionController should move to POWER_OFF state.

        assertNotNull(mTestSatelliteSessionController);

        assertEquals(STATE_POWER_OFF, mTestSatelliteSessionController.getCurrentStateName());

        setupDatagramTransferringState(false);



        // NOT_CONNECTED -> DISABLING

        moveToNotConnectedState();

        moveSatelliteToDisablingState();



        // DISABLING -> POWER_OFF

        moveToPowerOffState();



        // CONNECTED -> DISABLING

        moveToNotConnectedState();

        moveNotConnectedToConnectedState();

        moveSatelliteToDisablingState();



        // DISABLING -> POWER_OFF

        moveToPowerOffState();

    }



    private void setupDatagramTransferringState(boolean isTransferring) {

        when(mMockDatagramController.isSendingInIdleState()).thenReturn(isTransferring);

        when(mMockDatagramController.isPollingInIdleState()).thenReturn(isTransferring);
@@ -967,6 +1024,92 @@ public class SatelliteSessionControllerTest extends TelephonyTest { 
        mTestSatelliteModemStateCallback.clearModemStates();

    }



    private void moveToPowerOffState() {

        mTestSatelliteSessionController.onSatelliteEnabledStateChanged(false);

        processAllMessages();



        assertSuccessfulModemStateChangedCallback(

                mTestSatelliteModemStateCallback, SatelliteManager.SATELLITE_MODEM_STATE_OFF);

        assertEquals(STATE_POWER_OFF, mTestSatelliteSessionController.getCurrentStateName());

    }



    private void moveToIdleState() {

        powerOnSatelliteModem();



        // SatelliteSessionController should move to IDLE state after the modem is powered on.

        assertSuccessfulModemStateChangedCallback(

                mTestSatelliteModemStateCallback, SatelliteManager.SATELLITE_MODEM_STATE_IDLE);

        assertEquals(STATE_IDLE, mTestSatelliteSessionController.getCurrentStateName());

        assertFalse(mTestSatelliteSessionController.isSendingTriggeredDuringTransferringState());

    }



    private void moveIdleToTransferringState() {

        assertEquals(STATE_IDLE, mTestSatelliteSessionController.getCurrentStateName());

        // Start sending datagrams

        mTestSatelliteSessionController.onDatagramTransferStateChanged(

                SATELLITE_DATAGRAM_TRANSFER_STATE_SENDING, SATELLITE_DATAGRAM_TRANSFER_STATE_IDLE);

        processAllMessages();



        // SatelliteSessionController should move to TRANSFERRING state.

        assertSuccessfulModemStateChangedCallback(mTestSatelliteModemStateCallback,

                SatelliteManager.SATELLITE_MODEM_STATE_DATAGRAM_TRANSFERRING);

        assertEquals(STATE_TRANSFERRING, mTestSatelliteSessionController.getCurrentStateName());

        assertTrue(mTestSatelliteSessionController.isSendingTriggeredDuringTransferringState());

    }



    private void moveTransferringToListeningState() {

        assertEquals(STATE_TRANSFERRING, mTestSatelliteSessionController.getCurrentStateName());

        // Sending datagrams is successful and done.

        mTestSatelliteSessionController.onDatagramTransferStateChanged(

                SATELLITE_DATAGRAM_TRANSFER_STATE_IDLE,

                SATELLITE_DATAGRAM_TRANSFER_STATE_IDLE);

        processAllMessages();



        // SatelliteSessionController should move to LISTENING state.

        assertSuccessfulModemStateChangedCallback(mTestSatelliteModemStateCallback,

                SatelliteManager.SATELLITE_MODEM_STATE_LISTENING);

        assertEquals(STATE_LISTENING, mTestSatelliteSessionController.getCurrentStateName());

    }



    private void moveToNotConnectedState() {

        powerOnSatelliteModem();

        // SatelliteSessionController should move to NOT_CONNECTED state after the satellite modem

        // is powered on.

        assertSuccessfulModemStateChangedCallback(mTestSatelliteModemStateCallback,

                SatelliteManager.SATELLITE_MODEM_STATE_NOT_CONNECTED);

        assertEquals(STATE_NOT_CONNECTED, mTestSatelliteSessionController.getCurrentStateName());

        assertFalse(mTestSatelliteSessionController.isNbIotInactivityTimerStarted());

        verify(mMockDatagramController).onSatelliteModemStateChanged(

                SatelliteManager.SATELLITE_MODEM_STATE_NOT_CONNECTED);

        clearInvocations(mMockDatagramController);

    }



    private void moveNotConnectedToConnectedState() {

        // Satellite modem is connected to a satellite network.

        mTestSatelliteSessionController.onSatelliteModemStateChanged(

                SatelliteManager.SATELLITE_MODEM_STATE_CONNECTED);

        processAllMessages();



        // SatelliteSessionController should move to CONNECTED state

        assertSuccessfulModemStateChangedCallback(

                mTestSatelliteModemStateCallback, SatelliteManager.SATELLITE_MODEM_STATE_CONNECTED);

        assertEquals(STATE_CONNECTED, mTestSatelliteSessionController.getCurrentStateName());

        verify(mMockDatagramController).onSatelliteModemStateChanged(

                SatelliteManager.SATELLITE_MODEM_STATE_CONNECTED);

        clearInvocations(mMockDatagramController);

    }



    private void moveSatelliteToDisablingState() {

        mTestSatelliteSessionController.onSatelliteEnablementStarted(false);

        processAllMessages();



        // SatelliteSessionController should move to DISABLING state

        assertSuccessfulModemStateChangedCallback(mTestSatelliteModemStateCallback,

                SatelliteManager.SATELLITE_MODEM_STATE_DISABLING_SATELLITE);

        assertEquals(

                STATE_DISABLING_SATELLITE, mTestSatelliteSessionController.getCurrentStateName());

    }



    private static class TestSatelliteModemInterface extends SatelliteModemInterface {

        private final AtomicInteger mListeningEnabledCount = new AtomicInteger(0);

        private final AtomicInteger mListeningDisabledCount = new AtomicInteger(0);