1 /* 2 * Copyright (C) 2019 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 <android/os/IStatsPullerCallback.h> 21 22 #include "StatsCallbackPuller.h" 23 #include "logd/LogEvent.h" 24 #include "stats_log_util.h" 25 26 using namespace android::binder; 27 28 namespace android { 29 namespace os { 30 namespace statsd { 31 32 StatsCallbackPuller::StatsCallbackPuller(int tagId, const sp<IStatsPullerCallback>& callback) : 33 StatsPuller(tagId), mCallback(callback) { 34 VLOG("StatsCallbackPuller created for tag %d", tagId); 35 } 36 37 bool StatsCallbackPuller::PullInternal(vector<shared_ptr<LogEvent>>* data) { 38 VLOG("StatsCallbackPuller called for tag %d", mTagId) 39 if(mCallback == nullptr) { 40 ALOGW("No callback registered"); 41 return false; 42 } 43 int64_t wallClockTimeNs = getWallClockNs(); 44 int64_t elapsedTimeNs = getElapsedRealtimeNs(); 45 vector<StatsLogEventWrapper> returned_value; 46 Status status = mCallback->pullData(mTagId, elapsedTimeNs, wallClockTimeNs, &returned_value); 47 if (!status.isOk()) { 48 ALOGW("StatsCallbackPuller::pull failed for %d", mTagId); 49 return false; 50 } 51 data->clear(); 52 for (const StatsLogEventWrapper& it: returned_value) { 53 LogEvent::createLogEvents(it, *data); 54 } 55 VLOG("StatsCallbackPuller::pull succeeded for %d", mTagId); 56 return true; 57 } 58 59 } // namespace statsd 60 } // namespace os 61 } // namespace android 62