| /* |
| * 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 true |
| #include "Log.h" |
| |
| #include <android/os/IStatsCompanionService.h> |
| #include <binder/IPCThreadState.h> |
| #include <private/android_filesystem_config.h> |
| #include "StatsCompanionServicePuller.h" |
| #include "StatsService.h" |
| #include "guardrail/StatsdStats.h" |
| |
| using namespace android; |
| using namespace android::base; |
| using namespace android::binder; |
| using namespace android::os; |
| using std::make_shared; |
| using std::shared_ptr; |
| using std::vector; |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| const int kLogMsgHeaderSize = 28; |
| |
| // The reading and parsing are implemented in Java. It is not difficult to port over. But for now |
| // let StatsCompanionService handle that and send the data back. |
| StatsCompanionServicePuller::StatsCompanionServicePuller(int tagId) : StatsPuller(tagId) { |
| } |
| |
| bool StatsCompanionServicePuller::PullInternal(vector<shared_ptr<LogEvent> >* data) { |
| sp<IStatsCompanionService> statsCompanion = StatsService::getStatsCompanionService(); |
| vector<StatsLogEventWrapper> returned_value; |
| if (statsCompanion != NULL) { |
| Status status = statsCompanion->pullData(mTagId, &returned_value); |
| if (!status.isOk()) { |
| ALOGW("error pulling for %d", mTagId); |
| return false; |
| } |
| data->clear(); |
| int timestamp = time(nullptr); |
| for (const StatsLogEventWrapper& it : returned_value) { |
| log_msg tmp; |
| tmp.entry_v1.len = it.bytes.size(); |
| // Manually set the header size to 28 bytes to match the pushed log events. |
| tmp.entry.hdr_size = kLogMsgHeaderSize; |
| tmp.entry_v1.sec = timestamp; |
| // And set the received bytes starting after the 28 bytes reserved for header. |
| std::copy(it.bytes.begin(), it.bytes.end(), tmp.buf + kLogMsgHeaderSize); |
| data->push_back(make_shared<LogEvent>(tmp)); |
| } |
| ALOGD("StatsCompanionServicePuller::pull succeeded for %d", mTagId); |
| return true; |
| } else { |
| ALOGW("statsCompanion not found!"); |
| return false; |
| } |
| } |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |