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Diffstat (limited to 'cmds/statsd/src/external/StatsCallbackPuller.cpp')
-rw-r--r--cmds/statsd/src/external/StatsCallbackPuller.cpp116
1 files changed, 0 insertions, 116 deletions
diff --git a/cmds/statsd/src/external/StatsCallbackPuller.cpp b/cmds/statsd/src/external/StatsCallbackPuller.cpp
deleted file mode 100644
index 78e6f094db7e..000000000000
--- a/cmds/statsd/src/external/StatsCallbackPuller.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
- * Copyright (C) 2019 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 "StatsCallbackPuller.h"
-#include "PullResultReceiver.h"
-#include "StatsPullerManager.h"
-#include "logd/LogEvent.h"
-#include "stats_log_util.h"
-
-#include <aidl/android/util/StatsEventParcel.h>
-
-using namespace std;
-
-using Status = ::ndk::ScopedAStatus;
-using aidl::android::util::StatsEventParcel;
-using ::ndk::SharedRefBase;
-
-namespace android {
-namespace os {
-namespace statsd {
-
-StatsCallbackPuller::StatsCallbackPuller(int tagId, const shared_ptr<IPullAtomCallback>& callback,
- const int64_t coolDownNs, int64_t timeoutNs,
- const vector<int> additiveFields)
- : StatsPuller(tagId, coolDownNs, timeoutNs, additiveFields), mCallback(callback) {
- VLOG("StatsCallbackPuller created for tag %d", tagId);
-}
-
-bool StatsCallbackPuller::PullInternal(vector<shared_ptr<LogEvent>>* data) {
- VLOG("StatsCallbackPuller called for tag %d", mTagId);
- if(mCallback == nullptr) {
- ALOGW("No callback registered");
- return false;
- }
-
- // Shared variables needed in the result receiver.
- shared_ptr<mutex> cv_mutex = make_shared<mutex>();
- shared_ptr<condition_variable> cv = make_shared<condition_variable>();
- shared_ptr<bool> pullFinish = make_shared<bool>(false);
- shared_ptr<bool> pullSuccess = make_shared<bool>(false);
- shared_ptr<vector<shared_ptr<LogEvent>>> sharedData =
- make_shared<vector<shared_ptr<LogEvent>>>();
-
- shared_ptr<PullResultReceiver> resultReceiver = SharedRefBase::make<PullResultReceiver>(
- [cv_mutex, cv, pullFinish, pullSuccess, sharedData](
- int32_t atomTag, bool success, const vector<StatsEventParcel>& output) {
- // This is the result of the pull, executing in a statsd binder thread.
- // The pull could have taken a long time, and we should only modify
- // data (the output param) if the pointer is in scope and the pull did not time out.
- {
- lock_guard<mutex> lk(*cv_mutex);
- for (const StatsEventParcel& parcel: output) {
- shared_ptr<LogEvent> event = make_shared<LogEvent>(/*uid=*/-1, /*pid=*/-1);
- bool valid = event->parseBuffer((uint8_t*)parcel.buffer.data(),
- parcel.buffer.size());
- if (valid) {
- sharedData->push_back(event);
- } else {
- StatsdStats::getInstance().noteAtomError(event->GetTagId(),
- /*pull=*/true);
- }
- }
- *pullSuccess = success;
- *pullFinish = true;
- }
- cv->notify_one();
- });
-
- // Initiate the pull. This is a oneway call to a different process, except
- // in unit tests. In process calls are not oneway.
- Status status = mCallback->onPullAtom(mTagId, resultReceiver);
- if (!status.isOk()) {
- StatsdStats::getInstance().notePullBinderCallFailed(mTagId);
- return false;
- }
-
- {
- unique_lock<mutex> unique_lk(*cv_mutex);
- // Wait until the pull finishes, or until the pull timeout.
- cv->wait_for(unique_lk, chrono::nanoseconds(mPullTimeoutNs),
- [pullFinish] { return *pullFinish; });
- if (!*pullFinish) {
- // Note: The parent stats puller will also note that there was a timeout and that the
- // cache should be cleared. Once we migrate all pullers to this callback, we could
- // consolidate the logic.
- return true;
- } else {
- // Only copy the data if we did not timeout and the pull was successful.
- if (*pullSuccess) {
- *data = std::move(*sharedData);
- }
- VLOG("StatsCallbackPuller::pull succeeded for %d", mTagId);
- return *pullSuccess;
- }
- }
-}
-
-} // namespace statsd
-} // namespace os
-} // namespace android