Add a delay before scheduling local syncs am: ba1f790369 (47138410) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/content/SyncManager.java

+40 −14

Original line number	Diff line number	Diff line
		@@ -796,6 +796,16 @@ public class SyncManager {
		*/
		public void scheduleSync(Account requestedAccount, int userId, int reason,
		String requestedAuthority, Bundle extras, int targetSyncState) {
		scheduleSync(requestedAccount, userId, reason, requestedAuthority, extras, targetSyncState,
		0 /* min delay */);
		}

		/**
		* @param minDelayMillis The sync can't land before this delay expires.
		*/
		private void scheduleSync(Account requestedAccount, int userId, int reason,
		String requestedAuthority, Bundle extras, int targetSyncState,
		final long minDelayMillis) {
		final boolean isLoggable = Log.isLoggable(TAG, Log.VERBOSE);
		if (extras == null) {
		extras = new Bundle();
		@@ -906,7 +916,7 @@ public class SyncManager {
		if (result != null
		&& result.getBoolean(AccountManager.KEY_BOOLEAN_RESULT)) {
		scheduleSync(account.account, userId, reason, authority,
		finalExtras, targetSyncState);
		finalExtras, targetSyncState, minDelayMillis);
		}
		}
		));
		@@ -967,7 +977,8 @@ public class SyncManager {
		postScheduleSyncMessage(
		new SyncOperation(account.account, account.userId,
		owningUid, owningPackage, reason, source,
		authority, newExtras, allowParallelSyncs)
		authority, newExtras, allowParallelSyncs),
		minDelayMillis
		);
		} else if (targetSyncState == AuthorityInfo.UNDEFINED
		\|\| targetSyncState == isSyncable) {
		@@ -982,7 +993,8 @@ public class SyncManager {
		postScheduleSyncMessage(
		new SyncOperation(account.account, account.userId,
		owningUid, owningPackage, reason, source,
		authority, extras, allowParallelSyncs)
		authority, extras, allowParallelSyncs),
		minDelayMillis
		);
		}
		}
		@@ -1088,14 +1100,14 @@ public class SyncManager {
		}

		/**
		* Schedule sync based on local changes to a provider. Occurs within interval
		* [LOCAL_SYNC_DELAY, 2*LOCAL_SYNC_DELAY].
		* Schedule sync based on local changes to a provider. We wait for at least LOCAL_SYNC_DELAY
		* ms to batch syncs.
		*/
		public void scheduleLocalSync(Account account, int userId, int reason, String authority) {
		final Bundle extras = new Bundle();
		extras.putBoolean(ContentResolver.SYNC_EXTRAS_UPLOAD, true);
		scheduleSync(account, userId, reason, authority, extras,
		AuthorityInfo.UNDEFINED);
		AuthorityInfo.UNDEFINED, LOCAL_SYNC_DELAY);
		}

		public SyncAdapterType[] getSyncAdapterTypes(int userId) {
		@@ -1152,9 +1164,10 @@ public class SyncManager {
		mSyncHandler.sendMessageDelayed(monitorMessage, SYNC_MONITOR_WINDOW_LENGTH_MILLIS);
		}

		private void postScheduleSyncMessage(SyncOperation syncOperation) {
		mSyncHandler.obtainMessage(mSyncHandler.MESSAGE_SCHEDULE_SYNC, syncOperation)
		.sendToTarget();
		private void postScheduleSyncMessage(SyncOperation syncOperation, long minDelayMillis) {
		ScheduleSyncMessagePayload payload =
		new ScheduleSyncMessagePayload(syncOperation, minDelayMillis);
		mSyncHandler.obtainMessage(mSyncHandler.MESSAGE_SCHEDULE_SYNC, payload).sendToTarget();
		}

		/**
		@@ -1194,6 +1207,16 @@ public class SyncManager {
		}
		}

		private static class ScheduleSyncMessagePayload {
		final SyncOperation syncOperation;
		final long minDelayMillis;

		ScheduleSyncMessagePayload(SyncOperation syncOperation, long minDelayMillis) {
		this.syncOperation = syncOperation;
		this.minDelayMillis = minDelayMillis;
		}
		}

		private void clearBackoffSetting(EndPoint target) {
		Pair<Long, Long> backoff = mSyncStorageEngine.getBackoff(target);
		if (backoff != null && backoff.first == SyncStorageEngine.NOT_IN_BACKOFF_MODE &&
		@@ -1262,7 +1285,7 @@ public class SyncManager {
		if (!op.isPeriodic && op.target.matchesSpec(target)) {
		count++;
		getJobScheduler().cancel(op.jobId);
		postScheduleSyncMessage(op);
		postScheduleSyncMessage(op, 0 /* min delay */);
		}
		}
		if (Log.isLoggable(TAG, Log.VERBOSE)) {
		@@ -2417,8 +2440,10 @@ public class SyncManager {
		mDataConnectionIsConnected = readDataConnectionState();
		switch (msg.what) {
		case MESSAGE_SCHEDULE_SYNC:
		SyncOperation op = (SyncOperation) msg.obj;
		scheduleSyncOperationH(op);
		ScheduleSyncMessagePayload syncPayload =
		(ScheduleSyncMessagePayload) msg.obj;
		SyncOperation op = syncPayload.syncOperation;
		scheduleSyncOperationH(op, syncPayload.minDelayMillis);
		break;

		case MESSAGE_START_SYNC:
		@@ -3101,7 +3126,8 @@ public class SyncManager {
		maybeRescheduleSync(syncResult, syncOperation);
		} else {
		// create a normal sync instance that will respect adapter backoffs
		postScheduleSyncMessage(syncOperation.createOneTimeSyncOperation());
		postScheduleSyncMessage(syncOperation.createOneTimeSyncOperation(),
		0 /* min delay */);
		}
		historyMessage = ContentResolver.syncErrorToString(
		syncResultToErrorNumber(syncResult));