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am 989c7532: Merge "fix expedited syncs. there were times when an expedited sync wouldn\'t correctly preempt non-expedited syncs" into jb-dev

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* commit '989c753281fcb689ea163530096ac589c9e5a44f':
  fix expedited syncs. there were times when an expedited sync wouldn't correctly preempt non-expedited syncs
This commit is contained in:
Fred Quintana
2012-05-06 15:28:25 -07:00
committed by Android Git Automerger
parent 9879659a1c 989c753281
commit 5484e82612
4 changed files with 48 additions and 22 deletions
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58
core/java/android/content/SyncManager.java
View File

@@ -17,7 +17,6 @@
package android.content;
import com.android.internal.R;
import com.android.internal.util.ArrayUtils;
import com.google.android.collect.Lists;
import com.google.android.collect.Maps;
@@ -32,7 +31,6 @@ import android.app.AppGlobals;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.DownloadManager.Request;
import android.content.SyncStorageEngine.OnSyncRequestListener;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
@@ -1998,6 +1996,7 @@ public class SyncManager implements OnAccountsUpdateListener {
ActiveSyncContext conflict = null;
ActiveSyncContext longRunning = null;
ActiveSyncContext toReschedule = null;
ActiveSyncContext oldestNonExpeditedRegular = null;
for (ActiveSyncContext activeSyncContext : mActiveSyncContexts) {
final SyncOperation activeOp = activeSyncContext.mSyncOperation;
@@ -2005,6 +2004,13 @@ public class SyncManager implements OnAccountsUpdateListener {
numInit++;
} else {
numRegular++;
if (!activeOp.isExpedited()) {
if (oldestNonExpeditedRegular == null
|| (oldestNonExpeditedRegular.mStartTime
> activeSyncContext.mStartTime)) {
oldestNonExpeditedRegular = activeSyncContext;
}
}
}
if (activeOp.account.type.equals(candidate.account.type)
&& activeOp.authority.equals(candidate.authority)
@@ -2027,8 +2033,13 @@ public class SyncManager implements OnAccountsUpdateListener {
Log.v(TAG, " numActiveInit=" + numInit + ", numActiveRegular=" + numRegular);
Log.v(TAG, " longRunning: " + longRunning);
Log.v(TAG, " conflict: " + conflict);
Log.v(TAG, " oldestNonExpeditedRegular: " + oldestNonExpeditedRegular);
}
final boolean roomAvailable = candidateIsInitialization
? numInit < MAX_SIMULTANEOUS_INITIALIZATION_SYNCS
: numRegular < MAX_SIMULTANEOUS_REGULAR_SYNCS;
if (conflict != null) {
if (candidateIsInitialization && !conflict.mSyncOperation.isInitialization()
&& numInit < MAX_SIMULTANEOUS_INITIALIZATION_SYNCS) {
@@ -2048,23 +2059,32 @@ public class SyncManager implements OnAccountsUpdateListener {
} else {
continue;
}
} else {
final boolean roomAvailable = candidateIsInitialization
? numInit < MAX_SIMULTANEOUS_INITIALIZATION_SYNCS
: numRegular < MAX_SIMULTANEOUS_REGULAR_SYNCS;
if (roomAvailable) {
// dispatch candidate
} else if (longRunning != null
&& (candidateIsInitialization
== longRunning.mSyncOperation.isInitialization())) {
toReschedule = longRunning;
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log.v(TAG, "canceling and rescheduling sync since it ran roo long, "
+ longRunning);
}
} else {
continue;
} else if (roomAvailable) {
// dispatch candidate
} else if (candidate.isExpedited() && oldestNonExpeditedRegular != null
&& !candidateIsInitialization) {
// We found an active, non-expedited regular sync. We also know that the
// candidate doesn't conflict with this active sync since conflict
// is null. Reschedule the active sync and start the candidate.
toReschedule = oldestNonExpeditedRegular;
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log.v(TAG, "canceling and rescheduling sync since an expedited is ready to run, "
+ oldestNonExpeditedRegular);
}
} else if (longRunning != null
&& (candidateIsInitialization
== longRunning.mSyncOperation.isInitialization())) {
// We found an active, long-running sync. Reschedule the active
// sync and start the candidate.
toReschedule = longRunning;
if (Log.isLoggable(TAG, Log.VERBOSE)) {
Log.v(TAG, "canceling and rescheduling sync since it ran roo long, "
+ longRunning);
}
} else {
// we were unable to find or make space to run this candidate, go on to
// the next one
continue;
}
if (toReschedule != null) {
@@ -2516,7 +2536,7 @@ public class SyncManager implements OnAccountsUpdateListener {
return mSyncStorageEngine.insertStartSyncEvent(
syncOperation.account, syncOperation.userId, syncOperation.authority,
now, source);
now, source, syncOperation.isInitialization());
}
public void stopSyncEvent(long rowId, SyncOperation syncOperation, String resultMessage,

4
core/java/android/content/SyncOperation.java
View File

@@ -116,6 +116,10 @@ public class SyncOperation implements Comparable {
return extras.getBoolean(ContentResolver.SYNC_EXTRAS_INITIALIZE, false);
}
public boolean isExpedited() {
return extras.getBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, false);
}
public boolean ignoreBackoff() {
return extras.getBoolean(ContentResolver.SYNC_EXTRAS_IGNORE_BACKOFF, false);
}

4
core/java/android/content/SyncStorageEngine.java
View File

@@ -221,6 +221,7 @@ public class SyncStorageEngine extends Handler {
long upstreamActivity;
long downstreamActivity;
String mesg;
boolean initialization;
}
public static class DayStats {
@@ -1012,7 +1013,7 @@ public class SyncStorageEngine extends Handler {
* Note that sync has started for the given account and authority.
*/
public long insertStartSyncEvent(Account accountName, int userId, String authorityName,
long now, int source) {
long now, int source, boolean initialization) {
long id;
synchronized (mAuthorities) {
if (Log.isLoggable(TAG, Log.VERBOSE)) {
@@ -1025,6 +1026,7 @@ public class SyncStorageEngine extends Handler {
return -1;
}
SyncHistoryItem item = new SyncHistoryItem();
item.initialization = initialization;
item.authorityId = authority.ident;
item.historyId = mNextHistoryId++;
if (mNextHistoryId < 0) mNextHistoryId = 0;

4
core/tests/coretests/src/android/content/SyncStorageEngineTest.java
View File

@@ -20,7 +20,6 @@ import com.android.internal.os.AtomicFile;
import android.accounts.Account;
import android.os.Bundle;
import android.os.Debug;
import android.test.AndroidTestCase;
import android.test.RenamingDelegatingContext;
import android.test.mock.MockContentResolver;
@@ -57,7 +56,8 @@ public class SyncStorageEngineTest extends AndroidTestCase {
long time0 = 1000;
long historyId = engine.insertStartSyncEvent(
account, 0, authority, time0, SyncStorageEngine.SOURCE_LOCAL);
account, 0, authority, time0, SyncStorageEngine.SOURCE_LOCAL,
false /* initialization */);
long time1 = time0 + SyncStorageEngine.MILLIS_IN_4WEEKS * 2;
engine.stopSyncEvent(historyId, time1 - time0, "yay", 0, 0);
}