96 lines
3.1 KiB
C
96 lines
3.1 KiB
C
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/* Copyright (c) 2019 The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation, nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef LOG_BUFFER_H
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#define LOG_BUFFER_H
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#include "SkipList.h"
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#include "log_util.h"
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#include <loc_cfg.h>
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#include <loc_pla.h>
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#include <string>
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#include <sstream>
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#include <ostream>
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#include <fstream>
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#include <time.h>
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#include <mutex>
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#include <signal.h>
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#include <thread>
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#include <functional>
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//default error level time depth threshold,
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#define TIME_DEPTH_THRESHOLD_MINIMAL_IN_SEC 60
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//default maximum log buffer size
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#define MAXIMUM_NUM_IN_LIST 50
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//file path of dumped log buffer
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#define LOG_BUFFER_FILE_PATH "/data/vendor/location/"
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namespace loc_util {
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class ConfigsInLevel{
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public:
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uint32_t mTimeDepthThres;
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uint32_t mMaxNumThres;
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int mCurrentSize;
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ConfigsInLevel(uint32_t time, int num, int size):
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mTimeDepthThres(time), mMaxNumThres(num), mCurrentSize(size) {}
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};
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class LogBuffer {
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private:
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static LogBuffer* mInstance;
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static struct sigaction mOriSigAction[NSIG];
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static struct sigaction mNewSigAction;
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static mutex sLock;
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SkipList<pair<uint64_t, string>> mLogList;
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vector<ConfigsInLevel> mConfigVec;
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mutex mLock;
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const vector<string> mLevelMap {"E", "W", "I", "D", "V"};
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public:
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static LogBuffer* getInstance();
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void append(string& data, int level, uint64_t timestamp);
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void dump(std::function<void(stringstream&)> log, int level = -1);
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void dumpToAdbLogcat();
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void dumpToLogFile(string filePath);
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void flush();
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private:
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LogBuffer();
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void registerSignalHandler();
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static void signalHandler(const int code, siginfo_t *const si, void *const sc);
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};
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}
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#endif
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