Merge "[Multi-user] Make backup and initialize receivers per user"
diff --git a/services/backup/java/com/android/server/backup/UserBackupManagerService.java b/services/backup/java/com/android/server/backup/UserBackupManagerService.java
index b01117c..d7a2365 100644
--- a/services/backup/java/com/android/server/backup/UserBackupManagerService.java
+++ b/services/backup/java/com/android/server/backup/UserBackupManagerService.java
@@ -503,26 +503,46 @@
mBackupPasswordManager = new BackupPasswordManager(mContext, mBaseStateDir, mRng);
- // Alarm receivers for scheduled backups & initialization operations
- BroadcastReceiver mRunBackupReceiver = new RunBackupReceiver(this);
+ // Receivers for scheduled backups and transport initialization operations.
+ BroadcastReceiver runBackupReceiver = new RunBackupReceiver(this);
IntentFilter filter = new IntentFilter();
filter.addAction(RUN_BACKUP_ACTION);
- context.registerReceiver(mRunBackupReceiver, filter,
- android.Manifest.permission.BACKUP, null);
+ context.registerReceiverAsUser(
+ runBackupReceiver,
+ UserHandle.of(userId),
+ filter,
+ android.Manifest.permission.BACKUP,
+ /* scheduler */ null);
- BroadcastReceiver mRunInitReceiver = new RunInitializeReceiver(this);
+ BroadcastReceiver runInitReceiver = new RunInitializeReceiver(this);
filter = new IntentFilter();
filter.addAction(RUN_INITIALIZE_ACTION);
- context.registerReceiver(mRunInitReceiver, filter,
- android.Manifest.permission.BACKUP, null);
+ context.registerReceiverAsUser(
+ runInitReceiver,
+ UserHandle.of(userId),
+ filter,
+ android.Manifest.permission.BACKUP,
+ /* scheduler */ null);
Intent backupIntent = new Intent(RUN_BACKUP_ACTION);
backupIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
- mRunBackupIntent = PendingIntent.getBroadcast(context, 0, backupIntent, 0);
+ mRunBackupIntent =
+ PendingIntent.getBroadcastAsUser(
+ context,
+ /* requestCode */ 0,
+ backupIntent,
+ /* flags */ 0,
+ UserHandle.of(userId));
Intent initIntent = new Intent(RUN_INITIALIZE_ACTION);
initIntent.addFlags(Intent.FLAG_RECEIVER_REGISTERED_ONLY);
- mRunInitIntent = PendingIntent.getBroadcast(context, 0, initIntent, 0);
+ mRunInitIntent =
+ PendingIntent.getBroadcastAsUser(
+ context,
+ /* requestCode */ 0,
+ initIntent,
+ /* flags */ 0,
+ UserHandle.of(userId));
// Set up the backup-request journaling
mJournalDir = new File(mBaseStateDir, "pending");
diff --git a/services/backup/java/com/android/server/backup/internal/RunBackupReceiver.java b/services/backup/java/com/android/server/backup/internal/RunBackupReceiver.java
index 3b87724..d37b106 100644
--- a/services/backup/java/com/android/server/backup/internal/RunBackupReceiver.java
+++ b/services/backup/java/com/android/server/backup/internal/RunBackupReceiver.java
@@ -26,62 +26,84 @@
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
+import android.os.Handler;
import android.os.Message;
import android.util.Slog;
import com.android.server.backup.UserBackupManagerService;
+/**
+ * A {@link BroadcastReceiver} for the action {@link UserBackupManagerService#RUN_BACKUP_ACTION}
+ * that runs an immediate backup operation if eligible.
+ */
public class RunBackupReceiver extends BroadcastReceiver {
+ private final UserBackupManagerService mUserBackupManagerService;
- private UserBackupManagerService backupManagerService;
-
- public RunBackupReceiver(UserBackupManagerService backupManagerService) {
- this.backupManagerService = backupManagerService;
+ public RunBackupReceiver(UserBackupManagerService userBackupManagerService) {
+ mUserBackupManagerService = userBackupManagerService;
}
+ /**
+ * Run a backup pass if we're eligible. We're eligible if the following conditions are met:
+ *
+ * <ul>
+ * <li>No transports are pending initialization (otherwise we kick off an initialization
+ * operation instead).
+ * <li>Backup is enabled for the user.
+ * <li>The user has completed setup.
+ * <li>No backup operation is currently running for the user.
+ * </ul>
+ */
public void onReceive(Context context, Intent intent) {
- if (RUN_BACKUP_ACTION.equals(intent.getAction())) {
- synchronized (backupManagerService.getQueueLock()) {
- if (backupManagerService.getPendingInits().size() > 0) {
- // If there are pending init operations, we process those
- // and then settle into the usual periodic backup schedule.
- if (MORE_DEBUG) {
- Slog.v(TAG, "Init pending at scheduled backup");
- }
- try {
- backupManagerService.getAlarmManager().cancel(
- backupManagerService.getRunInitIntent());
- backupManagerService.getRunInitIntent().send();
- } catch (PendingIntent.CanceledException ce) {
- Slog.e(TAG, "Run init intent cancelled");
- // can't really do more than bail here
- }
- } else {
- // Don't run backups now if we're disabled or not yet
- // fully set up.
- if (backupManagerService.isEnabled()
- && backupManagerService.isSetupComplete()) {
- if (!backupManagerService.isBackupRunning()) {
- if (DEBUG) {
- Slog.v(TAG, "Running a backup pass");
- }
+ if (!RUN_BACKUP_ACTION.equals(intent.getAction())) {
+ return;
+ }
- // Acquire the wakelock and pass it to the backup thread. it will
- // be released once backup concludes.
- backupManagerService.setBackupRunning(true);
- backupManagerService.getWakelock().acquire();
-
- Message msg = backupManagerService.getBackupHandler().obtainMessage(
- MSG_RUN_BACKUP);
- backupManagerService.getBackupHandler().sendMessage(msg);
- } else {
- Slog.i(TAG, "Backup time but one already running");
- }
- } else {
- Slog.w(TAG, "Backup pass but enabled=" + backupManagerService.isEnabled()
- + " setupComplete=" + backupManagerService.isSetupComplete());
- }
+ synchronized (mUserBackupManagerService.getQueueLock()) {
+ if (mUserBackupManagerService.getPendingInits().size() > 0) {
+ // If there are pending init operations, we process those and then settle into the
+ // usual periodic backup schedule.
+ if (MORE_DEBUG) {
+ Slog.v(TAG, "Init pending at scheduled backup");
}
+ try {
+ PendingIntent runInitIntent = mUserBackupManagerService.getRunInitIntent();
+ mUserBackupManagerService.getAlarmManager().cancel(runInitIntent);
+ runInitIntent.send();
+ } catch (PendingIntent.CanceledException ce) {
+ Slog.w(TAG, "Run init intent cancelled");
+ }
+ } else {
+ // Don't run backups if we're disabled or not yet set up.
+ if (!mUserBackupManagerService.isEnabled()
+ || !mUserBackupManagerService.isSetupComplete()) {
+ Slog.w(
+ TAG,
+ "Backup pass but enabled="
+ + mUserBackupManagerService.isEnabled()
+ + " setupComplete="
+ + mUserBackupManagerService.isSetupComplete());
+ return;
+ }
+
+ // Don't run backups if one is already running.
+ if (mUserBackupManagerService.isBackupRunning()) {
+ Slog.i(TAG, "Backup time but one already running");
+ return;
+ }
+
+ if (DEBUG) {
+ Slog.v(TAG, "Running a backup pass");
+ }
+
+ // Acquire the wakelock and pass it to the backup thread. It will be released once
+ // backup concludes.
+ mUserBackupManagerService.setBackupRunning(true);
+ mUserBackupManagerService.getWakelock().acquire();
+
+ Handler backupHandler = mUserBackupManagerService.getBackupHandler();
+ Message message = backupHandler.obtainMessage(MSG_RUN_BACKUP);
+ backupHandler.sendMessage(message);
}
}
}
diff --git a/services/backup/java/com/android/server/backup/internal/RunInitializeReceiver.java b/services/backup/java/com/android/server/backup/internal/RunInitializeReceiver.java
index 38870cb..97711e3 100644
--- a/services/backup/java/com/android/server/backup/internal/RunInitializeReceiver.java
+++ b/services/backup/java/com/android/server/backup/internal/RunInitializeReceiver.java
@@ -24,41 +24,50 @@
import android.content.Context;
import android.content.Intent;
import android.os.PowerManager;
-import android.util.ArraySet;
import android.util.Slog;
import com.android.server.backup.UserBackupManagerService;
-public class RunInitializeReceiver extends BroadcastReceiver {
- private final UserBackupManagerService mBackupManagerService;
+import java.util.Set;
- public RunInitializeReceiver(UserBackupManagerService backupManagerService) {
- mBackupManagerService = backupManagerService;
+/**
+ * A {@link BroadcastReceiver} for the action {@link UserBackupManagerService#RUN_INITIALIZE_ACTION}
+ * that runs an initialization operation on all pending transports.
+ */
+public class RunInitializeReceiver extends BroadcastReceiver {
+ private final UserBackupManagerService mUserBackupManagerService;
+
+ public RunInitializeReceiver(UserBackupManagerService userBackupManagerService) {
+ mUserBackupManagerService = userBackupManagerService;
}
public void onReceive(Context context, Intent intent) {
- if (RUN_INITIALIZE_ACTION.equals(intent.getAction())) {
- synchronized (mBackupManagerService.getQueueLock()) {
- final ArraySet<String> pendingInits = mBackupManagerService.getPendingInits();
- if (DEBUG) {
- Slog.v(TAG, "Running a device init; " + pendingInits.size() + " pending");
- }
+ if (!RUN_INITIALIZE_ACTION.equals(intent.getAction())) {
+ return;
+ }
- if (pendingInits.size() > 0) {
- final String[] transports =
- pendingInits.toArray(new String[pendingInits.size()]);
+ synchronized (mUserBackupManagerService.getQueueLock()) {
+ Set<String> pendingInits = mUserBackupManagerService.getPendingInits();
+ if (DEBUG) {
+ Slog.v(TAG, "Running a device init; " + pendingInits.size() + " pending");
+ }
- mBackupManagerService.clearPendingInits();
+ if (pendingInits.size() > 0) {
+ String[] transports = pendingInits.toArray(new String[pendingInits.size()]);
- PowerManager.WakeLock wakelock = mBackupManagerService.getWakelock();
- wakelock.acquire();
- OnTaskFinishedListener listener = caller -> wakelock.release();
+ mUserBackupManagerService.clearPendingInits();
- Runnable task =
- new PerformInitializeTask(
- mBackupManagerService, transports, null, listener);
- mBackupManagerService.getBackupHandler().post(task);
- }
+ PowerManager.WakeLock wakelock = mUserBackupManagerService.getWakelock();
+ wakelock.acquire();
+ OnTaskFinishedListener listener = caller -> wakelock.release();
+
+ Runnable task =
+ new PerformInitializeTask(
+ mUserBackupManagerService,
+ transports,
+ /* observer */ null,
+ listener);
+ mUserBackupManagerService.getBackupHandler().post(task);
}
}
}