blob: e207bacba64f18e06fd99a5bc59d48719778fa93 [file] [log] [blame]
/*
* Copyright (C) 2021 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.
*/
#pragma once
#include <audio_utils/SimpleLog.h>
#include <map>
#include <mutex>
#include <sstream>
namespace android::mediametrics {
class StatsdLog {
public:
explicit StatsdLog(size_t lines) : mSimpleLog(lines) {}
void log(int atom, const std::string& string) {
{
std::lock_guard lock(mLock);
++mCountMap[atom];
}
mSimpleLog.log("%s", string.c_str());
}
std::string dumpToString(const char *prefix = "", size_t logLines = 0) const {
std::stringstream ss;
{ // first print out the atom counts
std::lock_guard lock(mLock);
size_t col = 0;
for (const auto& count : mCountMap) {
if (col == 8) {
col = 0;
ss << "\n" << prefix;
} else {
ss << " ";
}
ss << "[ " << count.first << " : " << count.second << " ]";
++col;
}
ss << "\n";
}
// then print out the log lines
ss << mSimpleLog.dumpToString(prefix, logLines);
return ss.str();
}
private:
SimpleLog mSimpleLog; // internally locked
std::map<int /* atom */, size_t /* count */> mCountMap GUARDED_BY(mLock); // sorted
mutable std::mutex mLock;
};
} // namespace android::mediametrics