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
17#define DEBUG false  // STOPSHIP if true
18#include "Log.h"
19#include "MetricProducer.h"
20
21namespace android {
22namespace os {
23namespace statsd {
24
25using std::map;
26
27void MetricProducer::onMatchedLogEventLocked(const size_t matcherIndex, const LogEvent& event) {
28    int64_t eventTimeNs = event.GetElapsedTimestampNs();
29    // this is old event, maybe statsd restarted?
30    if (eventTimeNs < mTimeBaseNs) {
31        return;
32    }
33
34    bool condition;
35    ConditionKey conditionKey;
36    std::unordered_set<HashableDimensionKey> dimensionKeysInCondition;
37    if (mConditionSliced) {
38        for (const auto& link : mMetric2ConditionLinks) {
39            getDimensionForCondition(event.getValues(), link, &conditionKey[link.conditionId]);
40        }
41        auto conditionState =
42            mWizard->query(mConditionTrackerIndex, conditionKey, mDimensionsInCondition,
43                           !mSameConditionDimensionsInTracker,
44                           !mHasLinksToAllConditionDimensionsInTracker,
45                           &dimensionKeysInCondition);
46        condition = (conditionState == ConditionState::kTrue);
47    } else {
48        condition = mCondition;
49    }
50
51    if (mDimensionsInCondition.empty() && condition) {
52        dimensionKeysInCondition.insert(DEFAULT_DIMENSION_KEY);
53    }
54
55    HashableDimensionKey dimensionInWhat;
56    filterValues(mDimensionsInWhat, event.getValues(), &dimensionInWhat);
57    MetricDimensionKey metricKey(dimensionInWhat, DEFAULT_DIMENSION_KEY);
58    for (const auto& conditionDimensionKey : dimensionKeysInCondition) {
59        metricKey.setDimensionKeyInCondition(conditionDimensionKey);
60        onMatchedLogEventInternalLocked(
61                matcherIndex, metricKey, conditionKey, condition, event);
62    }
63    if (dimensionKeysInCondition.empty()) {
64        onMatchedLogEventInternalLocked(
65                matcherIndex, metricKey, conditionKey, condition, event);
66    }
67
68 }
69
70}  // namespace statsd
71}  // namespace os
72}  // namespace android
73