diff options
Diffstat (limited to 'cmds/statsd/src/matchers/CombinationLogMatchingTracker.cpp')
-rw-r--r-- | cmds/statsd/src/matchers/CombinationLogMatchingTracker.cpp | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/cmds/statsd/src/matchers/CombinationLogMatchingTracker.cpp b/cmds/statsd/src/matchers/CombinationLogMatchingTracker.cpp deleted file mode 100644 index b94a9572113e..000000000000 --- a/cmds/statsd/src/matchers/CombinationLogMatchingTracker.cpp +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (C) 2017 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "Log.h" - -#include "CombinationLogMatchingTracker.h" -#include "matchers/matcher_util.h" - -namespace android { -namespace os { -namespace statsd { - -using std::set; -using std::unordered_map; -using std::vector; - -CombinationLogMatchingTracker::CombinationLogMatchingTracker(const int64_t& id, const int index) - : LogMatchingTracker(id, index) { -} - -CombinationLogMatchingTracker::~CombinationLogMatchingTracker() { -} - -bool CombinationLogMatchingTracker::init(const vector<AtomMatcher>& allLogMatchers, - const vector<sp<LogMatchingTracker>>& allTrackers, - const unordered_map<int64_t, int>& matcherMap, - vector<bool>& stack) { - if (mInitialized) { - return true; - } - - // mark this node as visited in the recursion stack. - stack[mIndex] = true; - - AtomMatcher_Combination matcher = allLogMatchers[mIndex].combination(); - - // LogicalOperation is missing in the config - if (!matcher.has_operation()) { - return false; - } - - mLogicalOperation = matcher.operation(); - - if (mLogicalOperation == LogicalOperation::NOT && matcher.matcher_size() != 1) { - return false; - } - - for (const auto& child : matcher.matcher()) { - auto pair = matcherMap.find(child); - if (pair == matcherMap.end()) { - ALOGW("Matcher %lld not found in the config", (long long)child); - return false; - } - - int childIndex = pair->second; - - // if the child is a visited node in the recursion -> circle detected. - if (stack[childIndex]) { - ALOGE("Circle detected in matcher config"); - return false; - } - - if (!allTrackers[childIndex]->init(allLogMatchers, allTrackers, matcherMap, stack)) { - ALOGW("child matcher init failed %lld", (long long)child); - return false; - } - - mChildren.push_back(childIndex); - - const set<int>& childTagIds = allTrackers[childIndex]->getAtomIds(); - mAtomIds.insert(childTagIds.begin(), childTagIds.end()); - } - - mInitialized = true; - // unmark this node in the recursion stack. - stack[mIndex] = false; - return true; -} - -void CombinationLogMatchingTracker::onLogEvent(const LogEvent& event, - const vector<sp<LogMatchingTracker>>& allTrackers, - vector<MatchingState>& matcherResults) { - // this event has been processed. - if (matcherResults[mIndex] != MatchingState::kNotComputed) { - return; - } - - if (mAtomIds.find(event.GetTagId()) == mAtomIds.end()) { - matcherResults[mIndex] = MatchingState::kNotMatched; - return; - } - - // evaluate children matchers if they haven't been evaluated. - for (const int childIndex : mChildren) { - if (matcherResults[childIndex] == MatchingState::kNotComputed) { - const sp<LogMatchingTracker>& child = allTrackers[childIndex]; - child->onLogEvent(event, allTrackers, matcherResults); - } - } - - bool matched = combinationMatch(mChildren, mLogicalOperation, matcherResults); - matcherResults[mIndex] = matched ? MatchingState::kMatched : MatchingState::kNotMatched; -} - -} // namespace statsd -} // namespace os -} // namespace android |