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 #ifndef SIMPLE_ATOM_MATCHING_TRACKER_H
18 #define SIMPLE_ATOM_MATCHING_TRACKER_H
19 
20 #include <unordered_map>
21 #include <vector>
22 
23 #include "AtomMatchingTracker.h"
24 #include "src/statsd_config.pb.h"
25 #include "packages/UidMap.h"
26 
27 namespace android {
28 namespace os {
29 namespace statsd {
30 
31 class SimpleAtomMatchingTracker : public AtomMatchingTracker {
32 public:
33     SimpleAtomMatchingTracker(const int64_t id, const uint64_t protoHash,
34                               const SimpleAtomMatcher& matcher, const sp<UidMap>& uidMap);
35 
36     ~SimpleAtomMatchingTracker();
37 
38     MatcherInitResult init(int matcherIndex, const std::vector<AtomMatcher>& allAtomMatchers,
39                            const std::vector<sp<AtomMatchingTracker>>& allAtomMatchingTrackers,
40                            const std::unordered_map<int64_t, int>& matcherMap,
41                            std::vector<uint8_t>& stack) override;
42 
43     optional<InvalidConfigReason> onConfigUpdated(
44             const AtomMatcher& matcher,
45             const std::unordered_map<int64_t, int>& atomMatchingTrackerMap) override;
46 
47     void onLogEvent(const LogEvent& event, int matcherIndex,
48                     const std::vector<sp<AtomMatchingTracker>>& allAtomMatchingTrackers,
49                     std::vector<MatchingState>& matcherResults,
50                     std::vector<std::shared_ptr<LogEvent>>& matcherTransformations) override;
51 
52 private:
53     const SimpleAtomMatcher mMatcher;
54     const sp<UidMap> mUidMap;
55 };
56 
57 }  // namespace statsd
58 }  // namespace os
59 }  // namespace android
60 #endif  // SIMPLE_ATOM_MATCHING_TRACKER_H
61