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am 89b91209: Merge "Track enable/disable of transport components" into lmp-dev

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* commit '89b912093244837e9f400705099ac4ed22e6c764':
  Track enable/disable of transport components
This commit is contained in:
Christopher Tate
2014-09-12 23:13:52 +00:00
committed by Android Git Automerger
parent fd51ca6020 f610bff9ef
commit ee1f25a6dc
1 changed files with 60 additions and 31 deletions
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91
services/backup/java/com/android/server/backup/BackupManagerService.java
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@@ -1234,6 +1234,7 @@ public class BackupManagerService extends IBackupManager.Stub {
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_PACKAGE_ADDED);
filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
filter.addDataScheme("package");
mContext.registerReceiver(mBroadcastReceiver, filter);
// Register for events related to sdcard installation.
@@ -1688,11 +1689,12 @@ public class BackupManagerService extends IBackupManager.Stub {
String action = intent.getAction();
boolean replacing = false;
boolean added = false;
boolean rebind = false;
boolean changed = false;
Bundle extras = intent.getExtras();
String pkgList[] = null;
if (Intent.ACTION_PACKAGE_ADDED.equals(action) ||
Intent.ACTION_PACKAGE_REMOVED.equals(action)) {
Intent.ACTION_PACKAGE_REMOVED.equals(action) ||
Intent.ACTION_PACKAGE_CHANGED.equals(action)) {
Uri uri = intent.getData();
if (uri == null) {
return;
@@ -1701,7 +1703,43 @@ public class BackupManagerService extends IBackupManager.Stub {
if (pkgName != null) {
pkgList = new String[] { pkgName };
}
rebind = added = Intent.ACTION_PACKAGE_ADDED.equals(action);
changed = Intent.ACTION_PACKAGE_CHANGED.equals(action);
// At package-changed we only care about looking at new transport states
if (changed) {
try {
if (MORE_DEBUG) {
Slog.i(TAG, "Package " + pkgName + " changed; rechecking");
}
// unbind existing possibly-stale connections to that package's transports
synchronized (mTransports) {
TransportConnection conn = mTransportConnections.get(pkgName);
if (conn != null) {
final ServiceInfo svc = conn.mTransport;
ComponentName svcName =
new ComponentName(svc.packageName, svc.name);
String flatName = svcName.flattenToShortString();
Slog.i(TAG, "Unbinding " + svcName);
mContext.unbindService(conn);
mTransportConnections.remove(pkgName);
mTransports.remove(mTransportNames.get(flatName));
mTransportNames.remove(flatName);
}
}
// and then (re)bind as appropriate
PackageInfo app = mPackageManager.getPackageInfo(pkgName, 0);
checkForTransportAndBind(app);
} catch (NameNotFoundException e) {
// Nope, can't find it - just ignore
if (MORE_DEBUG) {
Slog.w(TAG, "Can't find changed package " + pkgName);
}
}
return; // nothing more to do in the PACKAGE_CHANGED case
}
added = Intent.ACTION_PACKAGE_ADDED.equals(action);
replacing = extras.getBoolean(Intent.EXTRA_REPLACING, false);
} else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(action)) {
added = true;
@@ -1737,17 +1775,15 @@ public class BackupManagerService extends IBackupManager.Stub {
// Transport maintenance: rebind to known existing transports that have
// just been updated; and bind to any newly-installed transport services.
if (rebind) {
synchronized (mTransportConnections) {
final TransportConnection conn = mTransportConnections.get(packageName);
if (conn != null) {
if (DEBUG) {
Slog.i(TAG, "Transport package changed; rebinding");
}
bindTransport(conn.mTransport);
} else {
checkForTransportAndBind(app);
synchronized (mTransports) {
final TransportConnection conn = mTransportConnections.get(packageName);
if (conn != null) {
if (MORE_DEBUG) {
Slog.i(TAG, "Transport package changed; rebinding");
}
bindTransport(conn.mTransport);
} else {
checkForTransportAndBind(app);
}
}
@@ -1840,7 +1876,7 @@ public class BackupManagerService extends IBackupManager.Stub {
intent.setComponent(svcName);
TransportConnection connection;
synchronized (mTransportConnections) {
synchronized (mTransports) {
connection = mTransportConnections.get(transport.packageName);
if (null == connection) {
connection = new TransportConnection(transport);
@@ -8462,31 +8498,24 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF
return list;
}
// Select which transport to use for the next backup operation. If the given
// name is not one of the available transports, no action is taken and the method
// returns null.
// Select which transport to use for the next backup operation.
public String selectBackupTransport(String transport) {
mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP,
"selectBackupTransport");
synchronized (mTransports) {
String prevTransport = null;
if (mTransports.get(transport) != null) {
final long oldId = Binder.clearCallingIdentity();
try {
prevTransport = mCurrentTransport;
mCurrentTransport = transport;
Settings.Secure.putString(mContext.getContentResolver(),
Settings.Secure.BACKUP_TRANSPORT, transport);
} finally {
Binder.restoreCallingIdentity(oldId);
}
final long oldId = Binder.clearCallingIdentity();
try {
String prevTransport = mCurrentTransport;
mCurrentTransport = transport;
Settings.Secure.putString(mContext.getContentResolver(),
Settings.Secure.BACKUP_TRANSPORT, transport);
Slog.v(TAG, "selectBackupTransport() set " + mCurrentTransport
+ " returning " + prevTransport);
} else {
Slog.w(TAG, "Attempt to select unavailable transport " + transport);
return prevTransport;
} finally {
Binder.restoreCallingIdentity(oldId);
}
return prevTransport;
}
}