| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.internal.logging.legacy; |
| |
| import android.util.Log; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.logging.LogBuilder; |
| import com.android.internal.logging.nano.MetricsProto.MetricsEvent; |
| |
| /** |
| * Abstraction layer between EventLog static classes and the actual TagParsers. |
| * @hide |
| */ |
| public abstract class TagParser { |
| private static final String TAG = "TagParser"; |
| |
| protected int mSinceCreationMillis; |
| protected int mSinceUpdateMillis; |
| protected int mSinceVisibleMillis; |
| |
| abstract int getTag(); |
| |
| @VisibleForTesting |
| abstract public void parseEvent(TronLogger logger, long eventTimeMs, Object[] objects); |
| |
| /** |
| * Parse the event into the proto: return true if proto was modified. |
| */ |
| public void parseEvent(TronLogger logger, EventLogCollector.Event event) { |
| final boolean debug = Util.debug(); |
| Object data = event.getData(); |
| Object[] objects; |
| if (data instanceof Object[]) { |
| objects = (Object[]) data; |
| for (int i = 0; i < objects.length; i++) { |
| if (objects[i] == null) { |
| if (debug) { |
| Log.d(TAG, "unexpected null value:" + event.getTag()); |
| } |
| return; |
| } |
| } |
| } else { |
| // wrap scalar objects |
| objects = new Object[1]; |
| objects[0] = data; |
| } |
| |
| parseEvent(logger, event.getTimeNanos() / 1000000, objects); |
| } |
| |
| protected void resetTimes() { |
| mSinceCreationMillis = 0; |
| mSinceUpdateMillis = 0; |
| mSinceVisibleMillis = 0; |
| } |
| |
| public void parseTimes(Object[] operands, int index) { |
| resetTimes(); |
| |
| if (operands.length > index && operands[index] instanceof Integer) { |
| mSinceCreationMillis = (Integer) operands[index]; |
| } |
| |
| index++; |
| if (operands.length > index && operands[index] instanceof Integer) { |
| mSinceUpdateMillis = (Integer) operands[index]; |
| } |
| |
| index++; |
| if (operands.length > index && operands[index] instanceof Integer) { |
| mSinceVisibleMillis = (Integer) operands[index]; |
| } |
| } |
| |
| public void filltimes(LogBuilder proto) { |
| if (mSinceCreationMillis != 0) { |
| proto.addTaggedData(MetricsEvent.NOTIFICATION_SINCE_CREATE_MILLIS, |
| mSinceCreationMillis); |
| } |
| if (mSinceUpdateMillis != 0) { |
| proto.addTaggedData(MetricsEvent.NOTIFICATION_SINCE_UPDATE_MILLIS, |
| mSinceUpdateMillis); |
| } |
| if (mSinceVisibleMillis != 0) { |
| proto.addTaggedData(MetricsEvent.NOTIFICATION_SINCE_VISIBLE_MILLIS, |
| mSinceVisibleMillis); |
| } |
| } |
| } |