SimpleLogMatchingTracker.cpp revision 9fc9edf95a308f5884bf541cac81ce1f41aba0ba 
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 true  // STOPSHIP if true
18#include "Log.h"
19
20#include "SimpleLogMatchingTracker.h"
21
22#include <log/logprint.h>
23
24namespace android {
25namespace os {
26namespace statsd {
27
28using std::string;
29using std::unique_ptr;
30using std::unordered_map;
31using std::vector;
32
33
34SimpleLogMatchingTracker::SimpleLogMatchingTracker(const string& name, const int index,
35                                                   const SimpleLogEntryMatcher& matcher)
36    : LogMatchingTracker(name, index), mMatcher(matcher) {
37    for (int i = 0; i < matcher.tag_size(); i++) {
38        mTagIds.insert(matcher.tag(i));
39    }
40    mInitialized = true;
41}
42
43SimpleLogMatchingTracker::~SimpleLogMatchingTracker() {
44}
45
46bool SimpleLogMatchingTracker::init(const vector<LogEntryMatcher>& allLogMatchers,
47                                    const vector<sp<LogMatchingTracker>>& allTrackers,
48                                    const unordered_map<string, int>& matcherMap,
49                                    vector<bool>& stack) {
50    // no need to do anything.
51    return true;
52}
53
54void SimpleLogMatchingTracker::onLogEvent(const LogEventWrapper& event,
55                                          const vector<sp<LogMatchingTracker>>& allTrackers,
56                                          vector<MatchingState>& matcherResults) {
57    if (matcherResults[mIndex] != MatchingState::kNotComputed) {
58        VLOG("Matcher %s already evaluated ", mName.c_str());
59        return;
60    }
61
62    if (mTagIds.find(event.tagId) == mTagIds.end()) {
63        matcherResults[mIndex] = MatchingState::kNotMatched;
64        return;
65    }
66
67    bool matched = matchesSimple(mMatcher, event);
68    matcherResults[mIndex] = matched ? MatchingState::kMatched : MatchingState::kNotMatched;
69    VLOG("Stats SimpleLogMatcher %s matched? %d", mName.c_str(), matched);
70}
71
72}  // namespace statsd
73}  // namespace os
74}  // namespace android
75