| /* |
| * 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. |
| */ |
| |
| #ifndef METRIC_PRODUCER_H |
| #define METRIC_PRODUCER_H |
| |
| #include <log/logprint.h> |
| #include <utils/RefBase.h> |
| #include "../matchers/matcher_util.h" |
| #include "PackageInfoListener.h" |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| // A MetricProducer is responsible for compute one single metrics, creating stats log report, and |
| // writing the report to dropbox. MetricProducers should respond to package changes as required in |
| // PackageInfoListener, but if none of the metrics are slicing by package name, then the update can |
| // be a no-op. |
| class MetricProducer : public virtual RefBase, public virtual PackageInfoListener { |
| public: |
| virtual ~MetricProducer(){}; |
| |
| // Consume the parsed stats log entry that already matched the "what" of the metric. |
| virtual void onMatchedLogEvent(const LogEventWrapper& event) = 0; |
| |
| virtual void onConditionChanged(const bool condition) = 0; |
| |
| // This is called when the metric collecting is done, e.g., when there is a new configuration |
| // coming. MetricProducer should do the clean up, and dump existing data to dropbox. |
| virtual void finish() = 0; |
| |
| virtual void onDumpReport() = 0; |
| }; |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |
| #endif // METRIC_PRODUCER_H |