Add dump support to the settings provider (b505ccc9) · Commits · e / os / android_frameworks_base

packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java

+55 −0

Original line number	Diff line number	Diff line
		@@ -56,7 +56,9 @@ import com.android.internal.annotations.GuardedBy;
		import com.android.internal.content.PackageMonitor;
		import com.android.internal.os.BackgroundThread;
		import java.io.File;
		import java.io.FileDescriptor;
		import java.io.FileNotFoundException;
		import java.io.PrintWriter;
		import java.security.SecureRandom;
		import java.util.Arrays;
		import java.util.List;
		@@ -479,6 +481,59 @@ public class SettingsProvider extends ContentProvider {
		+ "ringtone playback is available through android.media.Ringtone");
		}

		@Override
		public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		synchronized (mLock) {
		final long identity = Binder.clearCallingIdentity();
		try {
		List<UserInfo> users = mUserManager.getUsers(true);
		final int userCount = users.size();
		for (int i = 0; i < userCount; i++) {
		UserInfo user = users.get(i);
		dumpForUser(user.id, pw);
		}
		} finally {
		Binder.restoreCallingIdentity(identity);
		}
		}
		}

		private void dumpForUser(int userId, PrintWriter pw) {
		if (userId == UserHandle.USER_OWNER) {
		pw.println("GLOBAL SETTINGS (user " + userId + ")");
		Cursor globalCursor = getAllGlobalSettingsLocked(ALL_COLUMNS);
		dumpSettings(globalCursor, pw);
		pw.println();
		}

		pw.println("SECURE SETTINGS (user " + userId + ")");
		Cursor secureCursor = getAllSecureSettingsLocked(userId, ALL_COLUMNS);
		dumpSettings(secureCursor, pw);
		pw.println();

		pw.println("SYSTEM SETTINGS (user " + userId + ")");
		Cursor systemCursor = getAllSystemSettingsLocked(userId, ALL_COLUMNS);
		dumpSettings(systemCursor, pw);
		pw.println();
		}

		private void dumpSettings(Cursor cursor, PrintWriter pw) {
		if (!cursor.moveToFirst()) {
		return;
		}

		final int idColumnIdx = cursor.getColumnIndex(Settings.NameValueTable._ID);
		final int nameColumnIdx = cursor.getColumnIndex(Settings.NameValueTable.NAME);
		final int valueColumnIdx = cursor.getColumnIndex(Settings.NameValueTable.VALUE);

		do {
		pw.append("_id:").append(cursor.getString(idColumnIdx));
		pw.append(" name:").append(cursor.getString(nameColumnIdx));
		pw.append(" value:").append(cursor.getString(valueColumnIdx));
		pw.println();
		} while (cursor.moveToNext());
		}

		private void registerBroadcastReceivers() {
		IntentFilter userFilter = new IntentFilter();
		userFilter.addAction(Intent.ACTION_USER_REMOVED);

packages/SettingsProvider/src/com/android/providers/settings/SettingsState.java

+8 −7

Original line number	Diff line number	Diff line
		@@ -109,6 +109,9 @@ final class SettingsState {
		@GuardedBy("mLock")
		private boolean mWriteScheduled;

		@GuardedBy("mLock")
		private long mNextId;

		public SettingsState(Object lock, File file, int key, int maxBytesPerAppPackage) {
		// It is important that we use the same lock as the settings provider
		// to ensure multiple mutations on this state are atomicaly persisted
		@@ -521,21 +524,19 @@ final class SettingsState {
		return value;
		}

		public static final class Setting {
		private static long sNextId;

		public final class Setting {
		private String name;
		private String value;
		private String packageName;
		private String id;

		public Setting(String name, String value, String packageName) {
		init(name, value, packageName, String.valueOf(sNextId++));
		init(name, value, packageName, String.valueOf(mNextId++));
		}

		public Setting(String name, String value, String packageName, String id) {
		sNextId = Math.max(sNextId, Long.valueOf(id));
		init(name, value, packageName, String.valueOf(sNextId));
		mNextId = Math.max(mNextId, Long.valueOf(id) + 1);
		init(name, value, packageName, id);
		}

		private void init(String name, String value, String packageName, String id) {
		@@ -567,7 +568,7 @@ final class SettingsState {
		}
		this.value = value;
		this.packageName = packageName;
		this.id = String.valueOf(sNextId++);
		this.id = String.valueOf(mNextId++);
		return true;
		}
		}