MetricProducer.cpp revision 2087716f2bdca90c7c3034d556ac12911bd8018e 
1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16#include "MetricProducer.h"
17
18namespace android {
19namespace os {
20namespace statsd {
21
22using std::map;
23
24void MetricProducer::onMatchedLogEventLocked(const size_t matcherIndex, const LogEvent& event) {
25    uint64_t eventTimeNs = event.GetTimestampNs();
26    // this is old event, maybe statsd restarted?
27    if (eventTimeNs < mStartTimeNs) {
28        return;
29    }
30
31    bool condition;
32    map<string, std::vector<HashableDimensionKey>> conditionKeys;
33    if (mConditionSliced) {
34        for (const auto& link : mConditionLinks) {
35            conditionKeys.insert(std::make_pair(link.condition(),
36                                                getDimensionKeysForCondition(event, link)));
37        }
38        if (mWizard->query(mConditionTrackerIndex, conditionKeys) != ConditionState::kTrue) {
39            condition = false;
40        } else {
41            condition = true;
42        }
43    } else {
44        condition = mCondition;
45    }
46
47    if (mDimensions.child_size() > 0) {
48        vector<DimensionsValue> dimensionValues = getDimensionKeys(event, mDimensions);
49        for (const DimensionsValue& dimensionValue : dimensionValues) {
50            onMatchedLogEventInternalLocked(
51                matcherIndex, HashableDimensionKey(dimensionValue), conditionKeys, condition, event);
52        }
53    } else {
54        onMatchedLogEventInternalLocked(
55            matcherIndex, DEFAULT_DIMENSION_KEY, conditionKeys, condition, event);
56    }
57}
58
59}  // namespace statsd
60}  // namespace os
61}  // namespace android
62