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Bug 972613 - In-memory sync rate limiting. r=trivial

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This commit is contained in:
Richard Newman 2014-02-13 19:46:24 -08:00
parent ec363e88b5
commit c45d14d382
1 changed files with 14 additions and 1 deletions
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15
mobile/android/base/fxa/sync/FxAccountSyncAdapter.java
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@ -61,6 +61,7 @@ import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SyncResult;
import android.os.Bundle;
import android.os.SystemClock;
import android.support.v4.app.NotificationCompat;
import android.support.v4.app.NotificationCompat.Builder;
@ -72,6 +73,10 @@ public class FxAccountSyncAdapter extends AbstractThreadedSyncAdapter {
// Tracks the last seen storage hostname for backoff purposes.
private static final String PREF_BACKOFF_STORAGE_HOST = "backoffStorageHost";
// Used to do cheap in-memory rate limiting.
private static final int MINIMUM_SYNC_DELAY_MILLIS = 5000;
private volatile long lastSyncRealtimeMillis = 0L;
protected final ExecutorService executor;
public FxAccountSyncAdapter(Context context, boolean autoInitialize) {
@ -430,6 +435,13 @@ public class FxAccountSyncAdapter extends AbstractThreadedSyncAdapter {
Logger.setThreadLogTag(FxAccountConstants.GLOBAL_LOG_TAG);
Logger.resetLogging();
if (this.lastSyncRealtimeMillis > 0L &&
(this.lastSyncRealtimeMillis + MINIMUM_SYNC_DELAY_MILLIS) > SystemClock.elapsedRealtime()) {
Logger.info(LOG_TAG, "Not syncing FxAccount " + Utils.obfuscateEmail(account.name) +
": minimum interval not met.");
return;
}
Logger.info(LOG_TAG, "Syncing FxAccount" +
" account named like " + Utils.obfuscateEmail(account.name) +
" for authority " + authority +
@ -569,7 +581,8 @@ public class FxAccountSyncAdapter extends AbstractThreadedSyncAdapter {
syncDelegate.handleError(e);
}
Logger.error(LOG_TAG, "Syncing done.");
Logger.info(LOG_TAG, "Syncing done.");
lastSyncRealtimeMillis = SystemClock.elapsedRealtime();
}
protected void debugAssertion(String audience, String assertion) {