1 files changed, 75 insertions, 0 deletions
diff --git a/cmds/statsd/src/matchers/SimpleLogMatchingTracker.cpp b/cmds/statsd/src/matchers/SimpleLogMatchingTracker.cpp
new file mode 100644
index 000000000000..31b3db524e80
--- /dev/null
+++ b/cmds/statsd/src/matchers/SimpleLogMatchingTracker.cpp
@@ -0,0 +1,75 @@
+/*
+ * 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.
+ */
+
+#define DEBUG false  // STOPSHIP if true
+#include "Log.h"
+
+#include "SimpleLogMatchingTracker.h"
+
+namespace android {
+namespace os {
+namespace statsd {
+
+using std::string;
+using std::unique_ptr;
+using std::unordered_map;
+using std::vector;
+
+
+SimpleLogMatchingTracker::SimpleLogMatchingTracker(const int64_t& id, const int index,
+                                                   const SimpleAtomMatcher& matcher,
+                                                   const UidMap& uidMap)
+    : LogMatchingTracker(id, index), mMatcher(matcher), mUidMap(uidMap) {
+    if (!matcher.has_atom_id()) {
+        mInitialized = false;
+    } else {
+        mAtomIds.insert(matcher.atom_id());
+        mInitialized = true;
+    }
+}
+
+SimpleLogMatchingTracker::~SimpleLogMatchingTracker() {
+}
+
+bool SimpleLogMatchingTracker::init(const vector<AtomMatcher>& allLogMatchers,
+                                    const vector<sp<LogMatchingTracker>>& allTrackers,
+                                    const unordered_map<int64_t, int>& matcherMap,
+                                    vector<bool>& stack) {
+    // no need to do anything.
+    return mInitialized;
+}
+
+void SimpleLogMatchingTracker::onLogEvent(const LogEvent& event,
+                                          const vector<sp<LogMatchingTracker>>& allTrackers,
+                                          vector<MatchingState>& matcherResults) {
+    if (matcherResults[mIndex] != MatchingState::kNotComputed) {
+        VLOG("Matcher %lld already evaluated ", (long long)mId);
+        return;
+    }
+
+    if (mAtomIds.find(event.GetTagId()) == mAtomIds.end()) {
+        matcherResults[mIndex] = MatchingState::kNotMatched;
+        return;
+    }
+
+    bool matched = matchesSimple(mUidMap, mMatcher, event);
+    matcherResults[mIndex] = matched ? MatchingState::kMatched : MatchingState::kNotMatched;
+    VLOG("Stats SimpleLogMatcher %lld matched? %d", (long long)mId, matched);
+}
+
+}  // namespace statsd
+}  // namespace os
+}  // namespace android