diff --git a/services/core/java/com/android/server/vcn/VcnGatewayConnection.java b/services/core/java/com/android/server/vcn/VcnGatewayConnection.java index adacae542a279..8aab3a66ada3c 100644 --- a/services/core/java/com/android/server/vcn/VcnGatewayConnection.java +++ b/services/core/java/com/android/server/vcn/VcnGatewayConnection.java @@ -61,6 +61,7 @@ import android.os.Message; import android.os.ParcelUuid; import android.os.PowerManager; import android.os.PowerManager.WakeLock; +import android.os.SystemClock; import android.util.ArraySet; import android.util.Slog; @@ -68,6 +69,7 @@ import com.android.internal.annotations.VisibleForTesting; import com.android.internal.annotations.VisibleForTesting.Visibility; import com.android.internal.util.State; import com.android.internal.util.StateMachine; +import com.android.internal.util.WakeupMessage; import com.android.server.vcn.TelephonySubscriptionTracker.TelephonySubscriptionSnapshot; import com.android.server.vcn.UnderlyingNetworkTracker.UnderlyingNetworkRecord; import com.android.server.vcn.UnderlyingNetworkTracker.UnderlyingNetworkTrackerCallback; @@ -129,8 +131,8 @@ import java.util.concurrent.TimeUnit; * lack of WakeLocks). * *
Any attempt to remove messages from the Handler should be done using {@link - * #removeEqualMessages(int, Object)}. This is necessary to ensure that the WakeLock is correctly - * released when no messages remain in the Handler queue. + * #removeEqualMessages}. This is necessary to ensure that the WakeLock is correctly released when + * no messages remain in the Handler queue. * * @hide */ @@ -140,6 +142,15 @@ public class VcnGatewayConnection extends StateMachine { @VisibleForTesting(visibility = Visibility.PRIVATE) static final InetAddress DUMMY_ADDR = InetAddresses.parseNumericAddress("192.0.2.0"); + @VisibleForTesting(visibility = Visibility.PRIVATE) + static final String TEARDOWN_TIMEOUT_ALARM = TAG + "_TEARDOWN_TIMEOUT_ALARM"; + + @VisibleForTesting(visibility = Visibility.PRIVATE) + static final String DISCONNECT_REQUEST_ALARM = TAG + "_DISCONNECT_REQUEST_ALARM"; + + @VisibleForTesting(visibility = Visibility.PRIVATE) + static final String RETRY_TIMEOUT_ALARM = TAG + "_RETRY_TIMEOUT_ALARM"; + private static final int[] MERGED_CAPABILITIES = new int[] {NET_CAPABILITY_NOT_METERED, NET_CAPABILITY_NOT_ROAMING}; private static final int ARG_NOT_PRESENT = Integer.MIN_VALUE; @@ -150,7 +161,8 @@ public class VcnGatewayConnection extends StateMachine { private static final String DISCONNECT_REASON_TEARDOWN = "teardown() called on VcnTunnel"; private static final int TOKEN_ALL = Integer.MIN_VALUE; - private static final int NETWORK_LOSS_DISCONNECT_TIMEOUT_SECONDS = 30; + @VisibleForTesting(visibility = Visibility.PRIVATE) + static final int NETWORK_LOSS_DISCONNECT_TIMEOUT_SECONDS = 30; @VisibleForTesting(visibility = Visibility.PRIVATE) static final int TEARDOWN_TIMEOUT_SECONDS = 5; @@ -510,6 +522,10 @@ public class VcnGatewayConnection extends StateMachine { */ private NetworkAgent mNetworkAgent; + @Nullable private WakeupMessage mTeardownTimeoutAlarm; + @Nullable private WakeupMessage mDisconnectRequestAlarm; + @Nullable private WakeupMessage mRetryTimeoutAlarm; + public VcnGatewayConnection( @NonNull VcnContext vcnContext, @NonNull ParcelUuid subscriptionGroup, @@ -592,6 +608,10 @@ public class VcnGatewayConnection extends StateMachine { releaseWakeLock(); + cancelTeardownTimeoutAlarm(); + cancelDisconnectRequestAlarm(); + cancelRetryTimeoutAlarm(); + mUnderlyingNetworkTracker.teardown(); } @@ -623,17 +643,11 @@ public class VcnGatewayConnection extends StateMachine { // If underlying is null, all underlying networks have been lost. Disconnect VCN after a // timeout. if (underlying == null) { - sendMessageDelayed( - EVENT_DISCONNECT_REQUESTED, - TOKEN_ALL, - new EventDisconnectRequestedInfo(DISCONNECT_REASON_UNDERLYING_NETWORK_LOST), - TimeUnit.SECONDS.toMillis(NETWORK_LOSS_DISCONNECT_TIMEOUT_SECONDS)); + setDisconnectRequestAlarm(); } else { - // Cancel any existing disconnect due to previous loss of underlying network - removeEqualMessages( - EVENT_DISCONNECT_REQUESTED, - new EventDisconnectRequestedInfo( - DISCONNECT_REASON_UNDERLYING_NETWORK_LOST)); + // Received a new Network so any previous alarm is irrelevant - cancel + clear it, + // and cancel any queued EVENT_DISCONNECT_REQUEST messages + cancelDisconnectRequestAlarm(); } sendMessageAndAcquireWakeLock( @@ -724,6 +738,10 @@ public class VcnGatewayConnection extends StateMachine { super.sendMessage(msg); } + // TODO(b/180146061): also override and Log.wtf() other Message handling methods + // In mind are sendMessageDelayed(), sendMessageAtFrontOfQueue, removeMessages, and + // removeDeferredMessages + /** * WakeLock-based alternative to {@link #sendMessage}. Use to guarantee that the device will not * go to sleep before processing the sent message. @@ -751,14 +769,13 @@ public class VcnGatewayConnection extends StateMachine { super.sendMessage(what, token, arg2, data); } - // TODO: remove this method once WakupMessage is used instead - private void sendMessageDelayed(int what, int token, EventInfo data, long timeout) { - super.sendMessageDelayed(what, token, ARG_NOT_PRESENT, data, timeout); - } - - // TODO: remove this method once WakupMessage is used instead - private void sendMessageDelayed(int what, int token, int arg2, EventInfo data, long timeout) { - super.sendMessageDelayed(what, token, arg2, data, timeout); + /** + * WakeLock-based alternative to {@link #sendMessage}. Use to guarantee that the device will not + * go to sleep before processing the sent message. + */ + private void sendMessageAndAcquireWakeLock(Message msg) { + acquireWakeLock(); + super.sendMessage(msg); } /** @@ -788,6 +805,100 @@ public class VcnGatewayConnection extends StateMachine { maybeReleaseWakeLock(); } + private WakeupMessage createScheduledAlarm( + @NonNull String cmdName, Message delayedMessage, long delay) { + // WakeupMessage uses Handler#dispatchMessage() to immediately handle the specified Runnable + // at the scheduled time. dispatchMessage() immediately executes and there may be queued + // events that resolve the scheduled alarm pending in the queue. So, use the Runnable to + // place the alarm event at the end of the queue with sendMessageAndAcquireWakeLock (which + // guarantees the device will stay awake). + final WakeupMessage alarm = + mDeps.newWakeupMessage( + mVcnContext, + getHandler(), + cmdName, + () -> sendMessageAndAcquireWakeLock(delayedMessage)); + alarm.schedule(mDeps.getElapsedRealTime() + delay); + return alarm; + } + + private void setTeardownTimeoutAlarm() { + // Safe to assign this alarm because it is either 1) already null, or 2) already fired. In + // either case, there is nothing to cancel. + if (mTeardownTimeoutAlarm != null) { + Slog.wtf(TAG, "mTeardownTimeoutAlarm should be null before being set"); + } + + final Message delayedMessage = obtainMessage(EVENT_TEARDOWN_TIMEOUT_EXPIRED, mCurrentToken); + mTeardownTimeoutAlarm = + createScheduledAlarm( + TEARDOWN_TIMEOUT_ALARM, + delayedMessage, + TimeUnit.SECONDS.toMillis(TEARDOWN_TIMEOUT_SECONDS)); + } + + private void cancelTeardownTimeoutAlarm() { + if (mTeardownTimeoutAlarm != null) { + mTeardownTimeoutAlarm.cancel(); + mTeardownTimeoutAlarm = null; + } + + // Cancel any existing teardown timeouts + removeEqualMessages(EVENT_TEARDOWN_TIMEOUT_EXPIRED); + } + + private void setDisconnectRequestAlarm() { + // Only schedule a NEW alarm if none is already set. + if (mDisconnectRequestAlarm != null) { + return; + } + + final Message delayedMessage = + obtainMessage( + EVENT_DISCONNECT_REQUESTED, + TOKEN_ALL, + 0 /* arg2 */, + new EventDisconnectRequestedInfo( + DISCONNECT_REASON_UNDERLYING_NETWORK_LOST)); + mDisconnectRequestAlarm = + createScheduledAlarm( + DISCONNECT_REQUEST_ALARM, + delayedMessage, + TimeUnit.SECONDS.toMillis(NETWORK_LOSS_DISCONNECT_TIMEOUT_SECONDS)); + } + + private void cancelDisconnectRequestAlarm() { + if (mDisconnectRequestAlarm != null) { + mDisconnectRequestAlarm.cancel(); + mDisconnectRequestAlarm = null; + } + + // Cancel any existing disconnect due to previous loss of underlying network + removeEqualMessages( + EVENT_DISCONNECT_REQUESTED, + new EventDisconnectRequestedInfo(DISCONNECT_REASON_UNDERLYING_NETWORK_LOST)); + } + + private void setRetryTimeoutAlarm(long delay) { + // Safe to assign this alarm because it is either 1) already null, or 2) already fired. In + // either case, there is nothing to cancel. + if (mRetryTimeoutAlarm != null) { + Slog.wtf(TAG, "mRetryTimeoutAlarm should be null before being set"); + } + + final Message delayedMessage = obtainMessage(EVENT_RETRY_TIMEOUT_EXPIRED, mCurrentToken); + mRetryTimeoutAlarm = createScheduledAlarm(RETRY_TIMEOUT_ALARM, delayedMessage, delay); + } + + private void cancelRetryTimeoutAlarm() { + if (mRetryTimeoutAlarm != null) { + mRetryTimeoutAlarm.cancel(); + mRetryTimeoutAlarm = null; + } + + removeEqualMessages(EVENT_RETRY_TIMEOUT_EXPIRED); + } + private void sessionLost(int token, @Nullable Exception exception) { sendMessageAndAcquireWakeLock( EVENT_SESSION_LOST, token, new EventSessionLostInfo(exception)); @@ -847,8 +958,8 @@ public class VcnGatewayConnection extends StateMachine { * builds. * *
Here be dragons: processMessage() is final to ensure that mWakeLock is released once
- * the Handler queue is empty. Future changes to processMessage() (or overrides to
- * processMessage) MUST ensure that mWakeLock is correctly released.
+ * the Handler queue is empty. Future changes (or overrides) to processMessage() to MUST
+ * ensure that mWakeLock is correctly released.
*/
@Override
public final boolean processMessage(Message msg) {
@@ -1030,10 +1141,9 @@ public class VcnGatewayConnection extends StateMachine {
}
mIkeSession.close();
- sendMessageDelayed(
- EVENT_TEARDOWN_TIMEOUT_EXPIRED,
- mCurrentToken,
- TimeUnit.SECONDS.toMillis(TEARDOWN_TIMEOUT_SECONDS));
+
+ // Safe to blindly set up, as it is cancelled and cleared on exiting this state
+ setTeardownTimeoutAlarm();
}
@Override
@@ -1084,6 +1194,8 @@ public class VcnGatewayConnection extends StateMachine {
@Override
protected void exitState() throws Exception {
mSkipRetryTimeout = false;
+
+ cancelTeardownTimeoutAlarm();
}
}
@@ -1385,8 +1497,8 @@ public class VcnGatewayConnection extends StateMachine {
Slog.wtf(TAG, "Underlying network was null in retry state");
transitionTo(mDisconnectedState);
} else {
- sendMessageDelayed(
- EVENT_RETRY_TIMEOUT_EXPIRED, mCurrentToken, getNextRetryIntervalsMs());
+ // Safe to blindly set up, as it is cancelled and cleared on exiting this state
+ setRetryTimeoutAlarm(getNextRetryIntervalsMs());
}
}
@@ -1399,8 +1511,6 @@ public class VcnGatewayConnection extends StateMachine {
// If new underlying is null, all networks were lost; go back to disconnected.
if (mUnderlying == null) {
- removeEqualMessages(EVENT_RETRY_TIMEOUT_EXPIRED);
-
transitionTo(mDisconnectedState);
return;
} else if (oldUnderlying != null
@@ -1411,8 +1521,6 @@ public class VcnGatewayConnection extends StateMachine {
// Fallthrough
case EVENT_RETRY_TIMEOUT_EXPIRED:
- removeEqualMessages(EVENT_RETRY_TIMEOUT_EXPIRED);
-
transitionTo(mConnectingState);
break;
case EVENT_DISCONNECT_REQUESTED:
@@ -1424,6 +1532,11 @@ public class VcnGatewayConnection extends StateMachine {
}
}
+ @Override
+ public void exitState() {
+ cancelRetryTimeoutAlarm();
+ }
+
private long getNextRetryIntervalsMs() {
final int retryDelayIndex = mFailedAttempts - 1;
final long[] retryIntervalsMs = mConnectionConfig.getRetryIntervalsMs();
@@ -1702,6 +1815,20 @@ public class VcnGatewayConnection extends StateMachine {
@NonNull Context context, int wakeLockFlag, @NonNull String wakeLockTag) {
return new VcnWakeLock(context, wakeLockFlag, wakeLockTag);
}
+
+ /** Builds a new WakeupMessage. */
+ public WakeupMessage newWakeupMessage(
+ @NonNull VcnContext vcnContext,
+ @NonNull Handler handler,
+ @NonNull String tag,
+ @NonNull Runnable runnable) {
+ return new WakeupMessage(vcnContext.getContext(), handler, tag, runnable);
+ }
+
+ /** Gets the elapsed real time since boot, in millis. */
+ public long getElapsedRealTime() {
+ return SystemClock.elapsedRealtime();
+ }
}
/**
diff --git a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionConnectedStateTest.java b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionConnectedStateTest.java
index 278d93a1b17b9..faa8b234cf51f 100644
--- a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionConnectedStateTest.java
+++ b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionConnectedStateTest.java
@@ -81,6 +81,7 @@ public class VcnGatewayConnectionConnectedStateTest extends VcnGatewayConnection
assertEquals(mGatewayConnection.mConnectedState, mGatewayConnection.getCurrentState());
verify(mIkeSession, never()).close();
+ verifyDisconnectRequestAlarmAndGetCallback(false /* expectCanceled */);
}
@Test
@@ -170,6 +171,7 @@ public class VcnGatewayConnectionConnectedStateTest extends VcnGatewayConnection
mTestLooper.dispatchAll();
assertEquals(mGatewayConnection.mDisconnectingState, mGatewayConnection.getCurrentState());
+ verifyTeardownTimeoutAlarmAndGetCallback(false /* expectCanceled */);
}
@Test
@@ -179,5 +181,6 @@ public class VcnGatewayConnectionConnectedStateTest extends VcnGatewayConnection
assertEquals(mGatewayConnection.mRetryTimeoutState, mGatewayConnection.getCurrentState());
verify(mIkeSession).close();
+ verifyTeardownTimeoutAlarmAndGetCallback(true /* expectCanceled */);
}
}
diff --git a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionConnectingStateTest.java b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionConnectingStateTest.java
index d936183e5a0bd..760379d6649da 100644
--- a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionConnectingStateTest.java
+++ b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionConnectingStateTest.java
@@ -61,6 +61,7 @@ public class VcnGatewayConnectionConnectingStateTest extends VcnGatewayConnectio
assertEquals(mGatewayConnection.mDisconnectingState, mGatewayConnection.getCurrentState());
verify(mIkeSession).kill();
+ verifyDisconnectRequestAlarmAndGetCallback(false /* expectCanceled */);
}
@Test
@@ -73,6 +74,7 @@ public class VcnGatewayConnectionConnectingStateTest extends VcnGatewayConnectio
assertEquals(mGatewayConnection.mDisconnectingState, mGatewayConnection.getCurrentState());
verify(mIkeSession).close();
verify(mIkeSession, never()).kill();
+ verifyTeardownTimeoutAlarmAndGetCallback(false /* expectCanceled */);
}
@Test
@@ -92,6 +94,7 @@ public class VcnGatewayConnectionConnectingStateTest extends VcnGatewayConnectio
assertEquals(mGatewayConnection.mDisconnectingState, mGatewayConnection.getCurrentState());
verify(mIkeSession).close();
+ verifyTeardownTimeoutAlarmAndGetCallback(false /* expectCanceled */);
}
@Test
@@ -101,5 +104,6 @@ public class VcnGatewayConnectionConnectingStateTest extends VcnGatewayConnectio
assertEquals(mGatewayConnection.mRetryTimeoutState, mGatewayConnection.getCurrentState());
verify(mIkeSession).close();
+ verifyTeardownTimeoutAlarmAndGetCallback(true /* expectCanceled */);
}
}
diff --git a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionDisconnectedStateTest.java b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionDisconnectedStateTest.java
index 16181b6f839a7..1a1787ac19d97 100644
--- a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionDisconnectedStateTest.java
+++ b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionDisconnectedStateTest.java
@@ -88,6 +88,7 @@ public class VcnGatewayConnectionDisconnectedStateTest extends VcnGatewayConnect
mTestLooper.dispatchAll();
assertEquals(mGatewayConnection.mDisconnectedState, mGatewayConnection.getCurrentState());
+ verifyDisconnectRequestAlarmAndGetCallback(false /* expectCanceled */);
}
@Test
diff --git a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionDisconnectingStateTest.java b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionDisconnectingStateTest.java
index d0fec55a68279..b09f3a008c298 100644
--- a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionDisconnectingStateTest.java
+++ b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionDisconnectingStateTest.java
@@ -16,9 +16,9 @@
package com.android.server.vcn;
-import static com.android.server.vcn.VcnGatewayConnection.TEARDOWN_TIMEOUT_SECONDS;
import static org.junit.Assert.assertEquals;
+import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import androidx.test.filters.SmallTest;
@@ -28,8 +28,6 @@ import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
-import java.util.concurrent.TimeUnit;
-
/** Tests for VcnGatewayConnection.DisconnectedState */
@RunWith(AndroidJUnit4.class)
@SmallTest
@@ -40,6 +38,9 @@ public class VcnGatewayConnectionDisconnectingStateTest extends VcnGatewayConnec
mGatewayConnection.setIkeSession(mGatewayConnection.buildIkeSession());
+ // ensure that mGatewayConnection has an underlying Network before entering
+ // DisconnectingState
+ mGatewayConnection.setUnderlyingNetwork(TEST_UNDERLYING_NETWORK_RECORD_2);
mGatewayConnection.transitionTo(mGatewayConnection.mDisconnectingState);
mTestLooper.dispatchAll();
}
@@ -49,12 +50,22 @@ public class VcnGatewayConnectionDisconnectingStateTest extends VcnGatewayConnec
getIkeSessionCallback().onClosed();
mTestLooper.dispatchAll();
- assertEquals(mGatewayConnection.mDisconnectedState, mGatewayConnection.getCurrentState());
+ assertEquals(mGatewayConnection.mRetryTimeoutState, mGatewayConnection.getCurrentState());
+ verify(mMockIkeSession).close();
+ verify(mMockIkeSession, never()).kill();
+ verifyTeardownTimeoutAlarmAndGetCallback(true /* expectCanceled */);
}
@Test
public void testTimeoutExpired() throws Exception {
- mTestLooper.moveTimeForward(TimeUnit.SECONDS.toMillis(TEARDOWN_TIMEOUT_SECONDS));
+ Runnable delayedEvent =
+ verifyTeardownTimeoutAlarmAndGetCallback(false /* expectCanceled */);
+
+ // Can't use mTestLooper to advance the time since VcnGatewayConnection uses WakeupMessages
+ // (which are mocked here). Directly invoke the runnable instead. This is still sufficient,
+ // since verifyTeardownTimeoutAlarmAndGetCallback() verifies the WakeupMessage was scheduled
+ // with the correct delay.
+ delayedEvent.run();
mTestLooper.dispatchAll();
verify(mMockIkeSession).kill();
@@ -67,5 +78,6 @@ public class VcnGatewayConnectionDisconnectingStateTest extends VcnGatewayConnec
// Should do nothing; already tearing down.
assertEquals(mGatewayConnection.mDisconnectingState, mGatewayConnection.getCurrentState());
+ verifyTeardownTimeoutAlarmAndGetCallback(false /* expectCanceled */);
}
}
diff --git a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionRetryTimeoutStateTest.java b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionRetryTimeoutStateTest.java
index 3f2b47cd58fd5..d37e92f661cc7 100644
--- a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionRetryTimeoutStateTest.java
+++ b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionRetryTimeoutStateTest.java
@@ -29,10 +29,14 @@ import org.junit.runner.RunWith;
@RunWith(AndroidJUnit4.class)
@SmallTest
public class VcnGatewayConnectionRetryTimeoutStateTest extends VcnGatewayConnectionTestBase {
+ private long mFirstRetryInterval;
+
@Before
public void setUp() throws Exception {
super.setUp();
+ mFirstRetryInterval = mConfig.getRetryInterval()[0];
+
mGatewayConnection.setUnderlyingNetwork(TEST_UNDERLYING_NETWORK_RECORD_1);
mGatewayConnection.transitionTo(mGatewayConnection.mRetryTimeoutState);
mTestLooper.dispatchAll();
@@ -46,6 +50,7 @@ public class VcnGatewayConnectionRetryTimeoutStateTest extends VcnGatewayConnect
mTestLooper.dispatchAll();
assertEquals(mGatewayConnection.mConnectingState, mGatewayConnection.getCurrentState());
+ verifyRetryTimeoutAlarmAndGetCallback(mFirstRetryInterval, true /* expectCanceled */);
}
@Test
@@ -56,6 +61,7 @@ public class VcnGatewayConnectionRetryTimeoutStateTest extends VcnGatewayConnect
mTestLooper.dispatchAll();
assertEquals(mGatewayConnection.mRetryTimeoutState, mGatewayConnection.getCurrentState());
+ verifyRetryTimeoutAlarmAndGetCallback(mFirstRetryInterval, false /* expectCanceled */);
}
@Test
@@ -66,13 +72,23 @@ public class VcnGatewayConnectionRetryTimeoutStateTest extends VcnGatewayConnect
mTestLooper.dispatchAll();
assertEquals(mGatewayConnection.mDisconnectedState, mGatewayConnection.getCurrentState());
+ verifyRetryTimeoutAlarmAndGetCallback(mFirstRetryInterval, true /* expectCanceled */);
}
@Test
public void testTimeoutElapsingTriggersRetry() throws Exception {
- mTestLooper.moveTimeForward(mConfig.getRetryIntervalsMs()[0]);
+ final Runnable delayedEvent =
+ verifyRetryTimeoutAlarmAndGetCallback(
+ mFirstRetryInterval, false /* expectCanceled */);
+
+ // Can't use mTestLooper to advance the time since VcnGatewayConnection uses WakeupMessages
+ // (which are mocked here). Directly invoke the runnable instead. This is still sufficient,
+ // since verifyRetryTimeoutAlarmAndGetCallback() verifies the WakeupMessage was scheduled
+ // with the correct delay.
+ delayedEvent.run();
mTestLooper.dispatchAll();
assertEquals(mGatewayConnection.mConnectingState, mGatewayConnection.getCurrentState());
+ verifyRetryTimeoutAlarmAndGetCallback(mFirstRetryInterval, true /* expectCanceled */);
}
}
diff --git a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionTest.java b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionTest.java
index 026ee4918d94d..748c7924685d9 100644
--- a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionTest.java
+++ b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionTest.java
@@ -145,4 +145,19 @@ public class VcnGatewayConnectionTest extends VcnGatewayConnectionTestBase {
verifyWakeLockReleased();
}
+
+ @Test
+ public void testNonNullUnderlyingNetworkRecordUpdateCancelsAlarm() {
+ mGatewayConnection
+ .getUnderlyingNetworkTrackerCallback()
+ .onSelectedUnderlyingNetworkChanged(null);
+
+ verifyDisconnectRequestAlarmAndGetCallback(false /* expectCanceled */);
+
+ mGatewayConnection
+ .getUnderlyingNetworkTrackerCallback()
+ .onSelectedUnderlyingNetworkChanged(TEST_UNDERLYING_NETWORK_RECORD_1);
+
+ verify(mDisconnectRequestAlarm).cancel();
+ }
}
diff --git a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionTestBase.java b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionTestBase.java
index 133466f8d14ba..0b44e03a5e5a0 100644
--- a/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionTestBase.java
+++ b/tests/vcn/java/com/android/server/vcn/VcnGatewayConnectionTestBase.java
@@ -22,8 +22,11 @@ import static com.android.server.vcn.VcnTestUtils.setupIpSecManager;
import static org.mockito.Matchers.any;
import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.atLeastOnce;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
@@ -47,6 +50,7 @@ import android.os.ParcelUuid;
import android.os.PowerManager;
import android.os.test.TestLooper;
+import com.android.internal.util.WakeupMessage;
import com.android.server.IpSecService;
import com.android.server.vcn.TelephonySubscriptionTracker.TelephonySubscriptionSnapshot;
import com.android.server.vcn.Vcn.VcnGatewayStatusCallback;
@@ -59,6 +63,7 @@ import org.mockito.ArgumentCaptor;
import java.net.InetAddress;
import java.util.Collections;
import java.util.UUID;
+import java.util.concurrent.TimeUnit;
public class VcnGatewayConnectionTestBase {
protected static final ParcelUuid TEST_SUB_GRP = new ParcelUuid(UUID.randomUUID());
@@ -72,6 +77,7 @@ public class VcnGatewayConnectionTestBase {
protected static final int TEST_IPSEC_TRANSFORM_RESOURCE_ID = 2;
protected static final int TEST_IPSEC_TUNNEL_RESOURCE_ID = 3;
protected static final int TEST_SUB_ID = 5;
+ protected static final long ELAPSED_REAL_TIME = 123456789L;
protected static final String TEST_IPSEC_TUNNEL_IFACE = "IPSEC_IFACE";
protected static final UnderlyingNetworkRecord TEST_UNDERLYING_NETWORK_RECORD_1 =
new UnderlyingNetworkRecord(
@@ -99,6 +105,9 @@ public class VcnGatewayConnectionTestBase {
@NonNull protected final VcnGatewayConnection.Dependencies mDeps;
@NonNull protected final UnderlyingNetworkTracker mUnderlyingNetworkTracker;
@NonNull protected final VcnWakeLock mWakeLock;
+ @NonNull protected final WakeupMessage mTeardownTimeoutAlarm;
+ @NonNull protected final WakeupMessage mDisconnectRequestAlarm;
+ @NonNull protected final WakeupMessage mRetryTimeoutAlarm;
@NonNull protected final IpSecService mIpSecSvc;
@NonNull protected final ConnectivityManager mConnMgr;
@@ -116,6 +125,9 @@ public class VcnGatewayConnectionTestBase {
mDeps = mock(VcnGatewayConnection.Dependencies.class);
mUnderlyingNetworkTracker = mock(UnderlyingNetworkTracker.class);
mWakeLock = mock(VcnWakeLock.class);
+ mTeardownTimeoutAlarm = mock(WakeupMessage.class);
+ mDisconnectRequestAlarm = mock(WakeupMessage.class);
+ mRetryTimeoutAlarm = mock(WakeupMessage.class);
mIpSecSvc = mock(IpSecService.class);
setupIpSecManager(mContext, mIpSecSvc);
@@ -134,6 +146,16 @@ public class VcnGatewayConnectionTestBase {
doReturn(mWakeLock)
.when(mDeps)
.newWakeLock(eq(mContext), eq(PowerManager.PARTIAL_WAKE_LOCK), any());
+
+ setUpWakeupMessage(mTeardownTimeoutAlarm, VcnGatewayConnection.TEARDOWN_TIMEOUT_ALARM);
+ setUpWakeupMessage(mDisconnectRequestAlarm, VcnGatewayConnection.DISCONNECT_REQUEST_ALARM);
+ setUpWakeupMessage(mRetryTimeoutAlarm, VcnGatewayConnection.RETRY_TIMEOUT_ALARM);
+
+ doReturn(ELAPSED_REAL_TIME).when(mDeps).getElapsedRealTime();
+ }
+
+ private void setUpWakeupMessage(@NonNull WakeupMessage msg, @NonNull String cmdName) {
+ doReturn(msg).when(mDeps).newWakeupMessage(eq(mVcnContext), any(), eq(cmdName), any());
}
@Before
@@ -190,4 +212,45 @@ public class VcnGatewayConnectionTestBase {
verify(mWakeLock).release();
verifyNoMoreInteractions(mWakeLock);
}
+
+ private Runnable verifyWakeupMessageSetUpAndGetCallback(
+ @NonNull String tag,
+ @NonNull WakeupMessage msg,
+ long delayInMillis,
+ boolean expectCanceled) {
+ ArgumentCaptor