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DO NOT MERGE Change batch finalization timeout mechanism from Handler#sendMessageDelayed() to a wakeful alarm

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am: 1710e5f079

Change-Id: I6ffab66a6464f7fbb337d6bcb1431a0a960e25e3
This commit is contained in:
Michal Karpinski
2017-01-26 14:58:36 +00:00
committed by android-build-merger
parent a0f229263a 1710e5f079
commit 6bf0344e60
2 changed files with 33 additions and 8 deletions
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6
services/devicepolicy/java/com/android/server/devicepolicy/DevicePolicyManagerService.java
View File

@@ -1466,6 +1466,10 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
return (TrustManager) mContext.getSystemService(Context.TRUST_SERVICE);
}
AlarmManager getAlarmManager() {
return (AlarmManager) mContext.getSystemService(AlarmManager.class);
}
IWindowManager getIWindowManager() {
return IWindowManager.Stub
.asInterface(ServiceManager.getService(Context.WINDOW_SERVICE));
@@ -1985,7 +1989,7 @@ public class DevicePolicyManagerService extends IDevicePolicyManager.Stub {
long token = mInjector.binderClearCallingIdentity();
try {
int affectedUserHandle = parent ? getProfileParentId(userHandle) : userHandle;
AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
AlarmManager am = mInjector.getAlarmManager();
PendingIntent pi = PendingIntent.getBroadcastAsUser(context, REQUEST_EXPIRE_PASSWORD,
new Intent(ACTION_EXPIRED_PASSWORD_NOTIFICATION),
PendingIntent.FLAG_ONE_SHOT | PendingIntent.FLAG_UPDATE_CURRENT,

35
services/devicepolicy/java/com/android/server/devicepolicy/NetworkLoggingHandler.java
View File

@@ -16,12 +16,15 @@
package com.android.server.devicepolicy;
import android.app.AlarmManager;
import android.app.AlarmManager.OnAlarmListener;
import android.app.admin.DeviceAdminReceiver;
import android.app.admin.NetworkEvent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.SystemClock;
import android.util.Log;
import com.android.internal.annotations.GuardedBy;
@@ -42,11 +45,26 @@ final class NetworkLoggingHandler extends Handler {
// If this value changes, update DevicePolicyManager#retrieveNetworkLogs() javadoc
private static final int MAX_EVENTS_PER_BATCH = 1200;
private static final long BATCH_FINALIZATION_TIMEOUT_MS = TimeUnit.MINUTES.toMillis(90);
private static final long BATCH_FINALIZATION_TIMEOUT_ALARM_INTERVAL_MS =
TimeUnit.MINUTES.toMillis(30);
static final int LOG_NETWORK_EVENT_MSG = 1;
static final int FINALIZE_BATCH_MSG = 2;
private static final String NETWORK_LOGGING_TIMEOUT_ALARM_TAG = "NetworkLogging.batchTimeout";
private final DevicePolicyManagerService mDpm;
private final AlarmManager mAlarmManager;
private final OnAlarmListener mBatchTimeoutAlarmListener = new OnAlarmListener() {
@Override
public void onAlarm() {
Log.d(TAG, "Received a batch finalization timeout alarm, finalizing "
+ mNetworkEvents.size() + " pending events.");
synchronized (NetworkLoggingHandler.this) {
finalizeBatchAndNotifyDeviceOwnerIfNotEmpty();
}
}
};
static final int LOG_NETWORK_EVENT_MSG = 1;
// threadsafe as it's Handler's thread confined
@GuardedBy("this")
@@ -62,6 +80,7 @@ final class NetworkLoggingHandler extends Handler {
NetworkLoggingHandler(Looper looper, DevicePolicyManagerService dpm) {
super(looper);
mDpm = dpm;
mAlarmManager = mDpm.mInjector.getAlarmManager();
}
@Override
@@ -77,17 +96,19 @@ final class NetworkLoggingHandler extends Handler {
}
break;
}
case FINALIZE_BATCH_MSG: {
finalizeBatchAndNotifyDeviceOwnerIfNotEmpty();
default: {
Log.d(TAG, "NetworkLoggingHandler received an unknown of message.");
break;
}
}
}
void scheduleBatchFinalization() {
removeMessages(FINALIZE_BATCH_MSG);
sendMessageDelayed(obtainMessage(FINALIZE_BATCH_MSG), BATCH_FINALIZATION_TIMEOUT_MS);
Log.d(TAG, "Scheduled new batch finalization " + BATCH_FINALIZATION_TIMEOUT_MS
final long when = SystemClock.elapsedRealtime() + BATCH_FINALIZATION_TIMEOUT_MS;
mAlarmManager.setWindow(AlarmManager.ELAPSED_REALTIME_WAKEUP, when,
BATCH_FINALIZATION_TIMEOUT_ALARM_INTERVAL_MS, NETWORK_LOGGING_TIMEOUT_ALARM_TAG,
mBatchTimeoutAlarmListener, this);
Log.d(TAG, "Scheduled a new batch finalization alarm " + BATCH_FINALIZATION_TIMEOUT_MS
+ "ms from now.");
}