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Verify prioritized receivers are WAI with deferrable broadcasts.

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Bug: 272149552
Test: atest services/tests/mockingservicestests/src/com/android/server/am/BroadcastQueueTest.java
Test: atest services/tests/mockingservicestests/src/com/android/server/am/BroadcastQueueModernImplTest.java
Change-Id: Ic1bab3909750ca4b3add06648583cbe9f241025d
This commit is contained in:
Sudheer Shanka
2023-03-17 16:15:30 -07:00
parent 65a2a1e7fd
commit 9621b244f9
2 changed files with 75 additions and 1 deletions
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3
services/core/java/com/android/server/am/BroadcastProcessQueue.java
View File

@@ -399,7 +399,8 @@ class BroadcastProcessQueue {
* Update if this process is in the "cached" state, typically signaling that
* broadcast dispatch should be paused or delayed.
*/
public void setProcessCached(boolean cached) {
@VisibleForTesting
void setProcessCached(boolean cached) {
if (mProcessCached != cached) {
mProcessCached = cached;
invalidateRunnableAt();

73
services/tests/mockingservicestests/src/com/android/server/am/BroadcastQueueTest.java
View File

@@ -1645,6 +1645,79 @@ public class BroadcastQueueTest {
Set.of(mScheduledBroadcasts.remove(0)));
}
/**
* Verify prioritized receivers work as expected with deferrable broadcast - broadcast to
* app in cached state should be deferred and the rest should be delivered as per the priority
* order.
*/
@Test
public void testPrioritized_withDeferrableBroadcasts() throws Exception {
// Legacy stack doesn't support deferral
Assume.assumeTrue(mImpl == Impl.MODERN);
final ProcessRecord callerApp = makeActiveProcessRecord(PACKAGE_RED);
final ProcessRecord receiverGreenApp = makeActiveProcessRecord(PACKAGE_GREEN);
final ProcessRecord receiverBlueApp = makeActiveProcessRecord(PACKAGE_BLUE);
final ProcessRecord receiverYellowApp = makeActiveProcessRecord(PACKAGE_YELLOW);
final ProcessRecord receiverOrangeApp = makeActiveProcessRecord(PACKAGE_ORANGE);
receiverGreenApp.setCached(true);
receiverBlueApp.setCached(true);
final Intent timeTick = new Intent(Intent.ACTION_TIME_TICK);
final BroadcastOptions opts = BroadcastOptions.makeBasic()
.setDeferralPolicy(BroadcastOptions.DEFERRAL_POLICY_UNTIL_ACTIVE);
final List receivers = List.of(
makeRegisteredReceiver(callerApp, 10),
makeRegisteredReceiver(receiverGreenApp, 9),
makeRegisteredReceiver(receiverBlueApp, 8),
makeRegisteredReceiver(receiverYellowApp, 8),
makeRegisteredReceiver(receiverOrangeApp, 7)
);
enqueueBroadcast(makeBroadcastRecord(timeTick, callerApp, opts, receivers));
waitForIdle();
// Green ignored since it's in cached state
verifyScheduleRegisteredReceiver(never(), receiverGreenApp, timeTick);
// Blue ignored since it's in cached state
verifyScheduleRegisteredReceiver(never(), receiverBlueApp, timeTick);
final IApplicationThread redThread = mAms.getProcessRecordLocked(PACKAGE_RED,
getUidForPackage(PACKAGE_RED)).getThread();
final IApplicationThread yellowThread = mAms.getProcessRecordLocked(PACKAGE_YELLOW,
getUidForPackage(PACKAGE_YELLOW)).getThread();
final IApplicationThread orangeThread = mAms.getProcessRecordLocked(PACKAGE_ORANGE,
getUidForPackage(PACKAGE_ORANGE)).getThread();
// Verify apps that are not in cached state will receive the broadcast in the order
// we expect.
final InOrder inOrder = inOrder(redThread, yellowThread, orangeThread);
inOrder.verify(redThread).scheduleRegisteredReceiver(
any(), argThat(filterEqualsIgnoringComponent(timeTick)),
anyInt(), any(), any(), anyBoolean(), anyBoolean(), anyBoolean(),
eq(UserHandle.USER_SYSTEM), anyInt(), anyInt(), any());
inOrder.verify(yellowThread).scheduleRegisteredReceiver(
any(), argThat(filterEqualsIgnoringComponent(timeTick)),
anyInt(), any(), any(), anyBoolean(), anyBoolean(), anyBoolean(),
eq(UserHandle.USER_SYSTEM), anyInt(), anyInt(), any());
inOrder.verify(orangeThread).scheduleRegisteredReceiver(
any(), argThat(filterEqualsIgnoringComponent(timeTick)),
anyInt(), any(), any(), anyBoolean(), anyBoolean(), anyBoolean(),
eq(UserHandle.USER_SYSTEM), anyInt(), anyInt(), any());
// Shift blue to be active and confirm that deferred broadcast is delivered
receiverBlueApp.setCached(false);
mUidObserver.onUidCachedChanged(getUidForPackage(PACKAGE_BLUE), false);
waitForIdle();
verifyScheduleRegisteredReceiver(times(1), receiverBlueApp, timeTick);
// Shift green to be active and confirm that deferred broadcast is delivered
receiverGreenApp.setCached(false);
mUidObserver.onUidCachedChanged(getUidForPackage(PACKAGE_GREEN), false);
waitForIdle();
verifyScheduleRegisteredReceiver(times(1), receiverGreenApp, timeTick);
}
/**
* Verify that we handle replacing a pending broadcast.
*/