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 20 #include "SimpleAtomMatchingTracker.h" 21 22 namespace android { 23 namespace os { 24 namespace statsd { 25 26 using std::unordered_map; 27 using std::vector; 28 29 SimpleAtomMatchingTracker::SimpleAtomMatchingTracker(const int64_t& id, const int index, 30 const uint64_t protoHash, 31 const SimpleAtomMatcher& matcher, 32 const sp<UidMap>& uidMap) 33 : AtomMatchingTracker(id, index, protoHash), mMatcher(matcher), mUidMap(uidMap) { 34 if (!matcher.has_atom_id()) { 35 mInitialized = false; 36 } else { 37 mAtomIds.insert(matcher.atom_id()); 38 mInitialized = true; 39 } 40 } 41 42 SimpleAtomMatchingTracker::~SimpleAtomMatchingTracker() { 43 } 44 45 bool SimpleAtomMatchingTracker::init(const vector<AtomMatcher>& allAtomMatchers, 46 const vector<sp<AtomMatchingTracker>>& allAtomMatchingTrackers, 47 const unordered_map<int64_t, int>& matcherMap, 48 vector<bool>& stack) { 49 // no need to do anything. 50 return mInitialized; 51 } 52 53 bool SimpleAtomMatchingTracker::onConfigUpdated( 54 const AtomMatcher& matcher, const int index, 55 const unordered_map<int64_t, int>& atomMatchingTrackerMap) { 56 mIndex = index; 57 // Do not need to update mMatcher since the matcher must be identical across the update. 58 return mInitialized; 59 } 60 61 void SimpleAtomMatchingTracker::onLogEvent( 62 const LogEvent& event, const vector<sp<AtomMatchingTracker>>& allAtomMatchingTrackers, 63 vector<MatchingState>& matcherResults) { 64 if (matcherResults[mIndex] != MatchingState::kNotComputed) { 65 VLOG("Matcher %lld already evaluated ", (long long)mId); 66 return; 67 } 68 69 if (mAtomIds.find(event.GetTagId()) == mAtomIds.end()) { 70 matcherResults[mIndex] = MatchingState::kNotMatched; 71 return; 72 } 73 74 bool matched = matchesSimple(mUidMap, mMatcher, event); 75 matcherResults[mIndex] = matched ? MatchingState::kMatched : MatchingState::kNotMatched; 76 VLOG("Stats SimpleAtomMatcher %lld matched? %d", (long long)mId, matched); 77 } 78 79 } // namespace statsd 80 } // namespace os 81 } // namespace android 82