blob: b72e530e413ae0f92625ca276073850fa11d5856 [file] [log] [blame]
/*
* 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.
*/
#include <android/os/DropBoxManager.h>
#include "DropboxWriter.h"
using android::String16;
using android::binder::Status;
using android::os::DropBoxManager;
using android::sp;
using std::vector;
namespace android {
namespace os {
namespace statsd {
DropboxWriter::DropboxWriter(const string& tag) : mTag(tag), mLogReport(), mBufferSize(0) {
}
void DropboxWriter::addEventMetricData(const EventMetricData& eventMetricData) {
flushIfNecessary(eventMetricData);
EventMetricData* newEntry = mLogReport.mutable_event_metrics()->add_data();
newEntry->CopyFrom(eventMetricData);
mBufferSize += eventMetricData.ByteSize();
}
void DropboxWriter::flushIfNecessary(const EventMetricData& eventMetricData) {
if (eventMetricData.ByteSize() + mBufferSize > kMaxSerializedBytes) {
flush();
}
}
void DropboxWriter::flush() {
// now we get an exact byte size of the output
const int numBytes = mLogReport.ByteSize();
vector<uint8_t> buffer(numBytes);
sp<DropBoxManager> dropbox = new DropBoxManager();
mLogReport.SerializeToArray(&buffer[0], numBytes);
Status status = dropbox->addData(String16(mTag.c_str()), &buffer[0], numBytes, 0 /* no flag */);
if (!status.isOk()) {
ALOGE("failed to write to dropbox");
// TODO: What to do if flush fails??
}
mLogReport.Clear();
mBufferSize = 0;
}
} // namespace statsd
} // namespace os
} // namespace android