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
StatsCallbackPuller(int tagId,const sp<IStatsPullerCallback> & callback)32 StatsCallbackPuller::StatsCallbackPuller(int tagId, const sp<IStatsPullerCallback>& callback) :
33 StatsPuller(tagId), mCallback(callback) {
34 VLOG("StatsCallbackPuller created for tag %d", tagId);
35 }
36
PullInternal(vector<shared_ptr<LogEvent>> * data)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