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Merge "Streamline package-installed handling by the Backup Manager" into ics-mr1

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This commit is contained in:
Christopher Tate
2012-01-13 11:49:20 -08:00
committed by Android (Google) Code Review
parent 2753e826b2 0bacfd2ba6
commit 2cf18d2878
1 changed files with 55 additions and 57 deletions
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112
services/java/com/android/server/BackupManagerService.java
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@@ -195,7 +195,7 @@ class BackupManagerService extends IBackupManager.Stub {
boolean mProvisioned; boolean mProvisioned;
boolean mAutoRestore; boolean mAutoRestore;
PowerManager.WakeLock mWakelock; PowerManager.WakeLock mWakelock;
HandlerThread mHandlerThread = new HandlerThread("backup", Process.THREAD_PRIORITY_BACKGROUND); HandlerThread mHandlerThread;
BackupHandler mBackupHandler; BackupHandler mBackupHandler;
PendingIntent mRunBackupIntent, mRunInitIntent; PendingIntent mRunBackupIntent, mRunInitIntent;
BroadcastReceiver mRunBackupReceiver, mRunInitReceiver; BroadcastReceiver mRunBackupReceiver, mRunInitReceiver;
@@ -1310,14 +1310,10 @@ class BackupManagerService extends IBackupManager.Stub {
} }
if (added) { if (added) {
synchronized (mBackupParticipants) { synchronized (mBackupParticipants) {
for (String pkgName : pkgList) { if (replacing) {
if (replacing) { updatePackageParticipantsLocked(pkgList);
// The package was just upgraded } else {
updatePackageParticipantsLocked(pkgName); addPackageParticipantsLocked(pkgList);
} else {
// The package was just added
addPackageParticipantsLocked(pkgName);
}
} }
} }
} else { } else {
@@ -1325,9 +1321,7 @@ class BackupManagerService extends IBackupManager.Stub {
// The package is being updated. We'll receive a PACKAGE_ADDED shortly. // The package is being updated. We'll receive a PACKAGE_ADDED shortly.
} else { } else {
synchronized (mBackupParticipants) { synchronized (mBackupParticipants) {
for (String pkgName : pkgList) { removePackageParticipantsLocked(pkgList);
removePackageParticipantsLocked(pkgName);
}
} }
} }
} }
@@ -1349,26 +1343,26 @@ class BackupManagerService extends IBackupManager.Stub {
} }
}; };
// Add the backup agents in the given package to our set of known backup participants. // Add the backup agents in the given packages to our set of known backup participants.
// If 'packageName' is null, adds all backup agents in the whole system. // If 'packageNames' is null, adds all backup agents in the whole system.
void addPackageParticipantsLocked(String packageName) { void addPackageParticipantsLocked(String[] packageNames) {
// Look for apps that define the android:backupAgent attribute // Look for apps that define the android:backupAgent attribute
if (DEBUG) Slog.v(TAG, "addPackageParticipantsLocked: " + packageName);
List<PackageInfo> targetApps = allAgentPackages(); List<PackageInfo> targetApps = allAgentPackages();
addPackageParticipantsLockedInner(packageName, targetApps); if (packageNames != null) {
if (DEBUG) Slog.v(TAG, "addPackageParticipantsLocked: #" + packageNames.length);
for (String packageName : packageNames) {
addPackageParticipantsLockedInner(packageName, targetApps);
}
} else {
if (DEBUG) Slog.v(TAG, "addPackageParticipantsLocked: all");
addPackageParticipantsLockedInner(null, targetApps);
}
} }
private void addPackageParticipantsLockedInner(String packageName, private void addPackageParticipantsLockedInner(String packageName,
List<PackageInfo> targetPkgs) { List<PackageInfo> targetPkgs) {
if (MORE_DEBUG) { if (MORE_DEBUG) {
Slog.v(TAG, "Adding " + targetPkgs.size() + " backup participants:"); Slog.v(TAG, "Examining " + packageName + " for backup agent");
for (PackageInfo p : targetPkgs) {
Slog.v(TAG, " " + p + " agent=" + p.applicationInfo.backupAgentName
+ " uid=" + p.applicationInfo.uid
+ " killAfterRestore="
+ (((p.applicationInfo.flags & ApplicationInfo.FLAG_KILL_AFTER_RESTORE) != 0) ? "true" : "false")
);
}
} }
for (PackageInfo pkg : targetPkgs) { for (PackageInfo pkg : targetPkgs) {
@@ -1380,6 +1374,7 @@ class BackupManagerService extends IBackupManager.Stub {
mBackupParticipants.put(uid, set); mBackupParticipants.put(uid, set);
} }
set.add(pkg.applicationInfo); set.add(pkg.applicationInfo);
if (MORE_DEBUG) Slog.v(TAG, "Agent found; added");
// If we've never seen this app before, schedule a backup for it // If we've never seen this app before, schedule a backup for it
if (!mEverStoredApps.contains(pkg.packageName)) { if (!mEverStoredApps.contains(pkg.packageName)) {
@@ -1391,34 +1386,32 @@ class BackupManagerService extends IBackupManager.Stub {
} }
} }
// Remove the given package's entry from our known active set. If // Remove the given packages' entries from our known active set.
// 'packageName' is null, *all* participating apps will be removed. void removePackageParticipantsLocked(String[] packageNames) {
void removePackageParticipantsLocked(String packageName) { if (packageNames == null) {
if (DEBUG) Slog.v(TAG, "removePackageParticipantsLocked: " + packageName); Slog.w(TAG, "removePackageParticipants with null list");
List<String> allApps = new ArrayList<String>(); return;
if (packageName != null) { }
allApps.add(packageName);
} else { if (DEBUG) Slog.v(TAG, "removePackageParticipantsLocked: #" + packageNames.length);
// all apps with agents List<PackageInfo> knownPackages = allAgentPackages();
List<PackageInfo> knownPackages = allAgentPackages(); for (String pkg : packageNames) {
for (PackageInfo pkg : knownPackages) { removePackageParticipantsLockedInner(pkg, knownPackages);
allApps.add(pkg.packageName);
}
} }
removePackageParticipantsLockedInner(packageName, allApps);
} }
private void removePackageParticipantsLockedInner(String packageName, private void removePackageParticipantsLockedInner(String packageName,
List<String> allPackageNames) { List<PackageInfo> allPackages) {
if (MORE_DEBUG) { if (MORE_DEBUG) {
Slog.v(TAG, "removePackageParticipantsLockedInner (" + packageName Slog.v(TAG, "removePackageParticipantsLockedInner (" + packageName
+ ") removing " + allPackageNames.size() + " entries"); + ") removing from " + allPackages.size() + " entries");
for (String p : allPackageNames) { for (PackageInfo p : allPackages) {
Slog.v(TAG, " - " + p); Slog.v(TAG, " - " + p.packageName);
} }
} }
for (String pkg : allPackageNames) { for (PackageInfo pkg : allPackages) {
if (packageName == null || pkg.equals(packageName)) { if (packageName == null || pkg.packageName.equals(packageName)) {
/*
int uid = -1; int uid = -1;
try { try {
PackageInfo info = mPackageManager.getPackageInfo(packageName, 0); PackageInfo info = mPackageManager.getPackageInfo(packageName, 0);
@@ -1427,22 +1420,28 @@ class BackupManagerService extends IBackupManager.Stub {
// we don't know this package name, so just skip it for now // we don't know this package name, so just skip it for now
continue; continue;
} }
*/
final int uid = pkg.applicationInfo.uid;
if (MORE_DEBUG) Slog.i(TAG, " found pkg " + packageName + " uid=" + uid);
HashSet<ApplicationInfo> set = mBackupParticipants.get(uid); HashSet<ApplicationInfo> set = mBackupParticipants.get(uid);
if (set != null) { if (set != null) {
// Find the existing entry with the same package name, and remove it. // Find the existing entry with the same package name, and remove it.
// We can't just remove(app) because the instances are different. // We can't just remove(app) because the instances are different.
for (ApplicationInfo entry: set) { for (ApplicationInfo entry: set) {
if (MORE_DEBUG) Slog.i(TAG, " checking against " + entry.packageName);
if (entry.packageName.equals(pkg)) { if (entry.packageName.equals(pkg)) {
if (MORE_DEBUG) Slog.v(TAG, " removing participant " + pkg); if (MORE_DEBUG) Slog.v(TAG, " removing participant " + pkg);
set.remove(entry); set.remove(entry);
removeEverBackedUp(pkg); removeEverBackedUp(pkg.packageName);
break; break;
} }
} }
if (set.size() == 0) { if (set.size() == 0) {
mBackupParticipants.delete(uid); mBackupParticipants.delete(uid);
} }
} else {
if (MORE_DEBUG) Slog.i(TAG, " ... not found in uid mapping");
} }
} }
} }
@@ -1477,21 +1476,20 @@ class BackupManagerService extends IBackupManager.Stub {
// Reset the given package's known backup participants. Unlike add/remove, the update // Reset the given package's known backup participants. Unlike add/remove, the update
// action cannot be passed a null package name. // action cannot be passed a null package name.
void updatePackageParticipantsLocked(String packageName) { void updatePackageParticipantsLocked(String[] packageNames) {
if (packageName == null) { if (packageNames == null) {
Slog.e(TAG, "updatePackageParticipants called with null package name"); Slog.e(TAG, "updatePackageParticipants called with null package list");
return; return;
} }
if (DEBUG) Slog.v(TAG, "updatePackageParticipantsLocked: " + packageName); if (DEBUG) Slog.v(TAG, "updatePackageParticipantsLocked: #" + packageNames.length);
// brute force but small code size if (packageNames.length > 0) {
List<PackageInfo> allApps = allAgentPackages(); List<PackageInfo> allApps = allAgentPackages();
List<String> allAppNames = new ArrayList<String>(); for (String packageName : packageNames) {
for (PackageInfo pkg : allApps) { removePackageParticipantsLockedInner(packageName, allApps);
allAppNames.add(pkg.packageName); addPackageParticipantsLockedInner(packageName, allApps);
}
} }
removePackageParticipantsLockedInner(packageName, allAppNames);
addPackageParticipantsLockedInner(packageName, allApps);
} }
// Called from the backup task: record that the given app has been successfully // Called from the backup task: record that the given app has been successfully