103 lines
2.5 KiB
C++
103 lines
2.5 KiB
C++
#pragma once
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#ifndef _NB_LOGGER
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#define _NB_LOGGER
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#include <atomic>
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#include <chrono>
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#include <ostream>
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#include <thread>
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#include <unordered_map>
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#include <vector>
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#include "DataSink.hpp"
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#include "Processes.hpp"
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#include "ThreadSafeQueue.hpp"
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namespace nb {
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typedef std::chrono::time_point<
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std::chrono::system_clock,
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std::chrono::nanoseconds
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> LoggerTimePoint;
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struct LogEvent{
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const LoggerTimePoint time;
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const unsigned char lvl;
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const std::string msg;
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const std::thread::id tid;
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const uint64_t pid;
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};
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typedef std::string (*LogProcessFunction)(const LoggerTimePoint&, const std::string&);
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typedef std::unordered_map<uint8_t, LogProcessFunction> LogProcessFunctionMap;
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/* template<typename LogType, typename Logger, typename ST=std::ostream>
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class LoggerBase;
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template<typename Logger>
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class LoggerBase<typename Logger::LogType, Logger, typename Logger::StreamType>
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: public MultithreadedDataProcessor<typename Logger::LogType, Logger>{
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protected:
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typename Logger::StreamType _ostreams;
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}; */
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class DebugLogger : public MultithreadedDataProcessor<LogEvent, DebugLogger>{
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public:
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DebugLogger(std::ostream& stream) : _ostream(&stream) {}
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~DebugLogger() { stop(); }
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virtual bool stop() noexcept override {
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auto ret = MultithreadedDataProcessor<LogEvent, DebugLogger>::stop();
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flush();
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return ret;
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}
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void log(const std::string& msg, const uint8_t& lvl=0xFF) {
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push(LogEvent{
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std::chrono::system_clock::now(),
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lvl,
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msg,
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std::this_thread::get_id(),
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GetPID(),
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});
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}
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template <size_t N>
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void log(char const(&msg) [N], const uint8_t& lvl=0xFF) {
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log(std::string(msg), lvl);
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}
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void log(const std::exception& err, const uint8_t& lvl=0xFF) {
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log(err.what(), lvl);
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}
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template<typename U>
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void warn(const U& val, const uint8_t& lvl=0x01) { log(val, lvl); }
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template<typename U>
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void error(const U& val, const uint8_t& lvl=0xFF) { log(val, lvl); }
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protected:
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std::ostream* const _ostream;
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virtual bool process(const LogEvent& msg) override {
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*_ostream << msg.pid << " - " << msg.tid << " : " << msg.msg << "\n";
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return true;
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}
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};
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/* class BasicLogger : public LoggerBase<BasicLogger> {
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public:
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using Base = LoggerBase<BasicLogger>;
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BasicLogger(std::ostream& stream) : Base(stream) {}
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virtual void process(const LogEvent& event) {
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*_ostreams[0] << event.msg << "\n";
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}
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}; */
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} // namespace nb
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#endif // _NB_LOGGER
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