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70 lines
1.9 KiB
70 lines
1.9 KiB
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <audio_utils/SimpleLog.h>
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#include <map>
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#include <mutex>
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#include <sstream>
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namespace android::mediametrics {
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class StatsdLog {
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public:
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explicit StatsdLog(size_t lines) : mSimpleLog(lines) {}
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void log(int atom, const std::string& string) {
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{
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std::lock_guard lock(mLock);
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++mCountMap[atom];
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}
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mSimpleLog.log("%s", string.c_str());
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}
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std::string dumpToString(const char *prefix = "", size_t logLines = 0) const {
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std::stringstream ss;
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{ // first print out the atom counts
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std::lock_guard lock(mLock);
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size_t col = 0;
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for (const auto& count : mCountMap) {
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if (col == 8) {
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col = 0;
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ss << "\n" << prefix;
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} else {
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ss << " ";
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}
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ss << "[ " << count.first << " : " << count.second << " ]";
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++col;
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}
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ss << "\n";
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}
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// then print out the log lines
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ss << mSimpleLog.dumpToString(prefix, logLines);
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return ss.str();
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}
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private:
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SimpleLog mSimpleLog; // internally locked
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std::map<int /* atom */, size_t /* count */> mCountMap GUARDED_BY(mLock); // sorted
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mutable std::mutex mLock;
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};
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} // namespace android::mediametrics
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