mirror of
https://github.com/slsdetectorgroup/slsDetectorPackage.git
synced 2025-04-21 19:30:03 +02:00
107 lines
3.4 KiB
C++
107 lines
3.4 KiB
C++
#pragma once
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/*Utility to log to console*/
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#include "sls/ansi.h" //Colors
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#include <iostream>
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#include <sstream>
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#include <sys/time.h>
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enum TLogLevel {
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logERROR,
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logWARNING,
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logINFOBLUE,
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logINFOGREEN,
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logINFORED,
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logINFO,
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logDEBUG,
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logDEBUG1,
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logDEBUG2,
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logDEBUG3,
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logDEBUG4,
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logDEBUG5
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};
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// Compiler should optimize away anything below this value
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#ifndef LOG_MAX_REPORTING_LEVEL
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#define LOG_MAX_REPORTING_LEVEL logINFO
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#endif
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#define __AT__ \
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std::string(__FILE__) + std::string("::") + std::string(__func__) + \
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std::string("(): ")
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#define __SHORT_FORM_OF_FILE__ \
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(strrchr(__FILE__, '/') ? strrchr(__FILE__, '/') + 1 : __FILE__)
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#define __SHORT_AT__ \
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std::string(__SHORT_FORM_OF_FILE__) + std::string("::") + \
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std::string(__func__) + std::string("(): ")
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namespace sls {
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class Logger {
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std::ostringstream os;
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TLogLevel level = LOG_MAX_REPORTING_LEVEL;
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public:
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Logger() = default;
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explicit Logger(TLogLevel level) : level(level){};
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~Logger() {
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// output in the destructor to allow for << syntax
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os << RESET << '\n';
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std::clog << os.str() << std::flush; // Single write
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}
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static TLogLevel &ReportingLevel() { // singelton eeh
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static TLogLevel reportingLevel = logINFO;
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return reportingLevel;
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}
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// Danger this buffer need as many elements as TLogLevel
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static const char *Color(TLogLevel level) noexcept {
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static const char *const colors[] = {
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RED BOLD, YELLOW BOLD, BLUE, GREEN, RED, RESET,
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RESET, RESET, RESET, RESET, RESET, RESET};
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return colors[level];
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}
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// Danger this buffer need as many elements as TLogLevel
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static std::string ToString(TLogLevel level) {
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static const char *const buffer[] = {
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"ERROR", "WARNING", "INFO", "INFO", "INFO", "INFO",
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"DEBUG", "DEBUG1", "DEBUG2", "DEBUG3", "DEBUG4", "DEBUG5"};
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return buffer[level];
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}
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std::ostringstream &Get() {
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os << Color(level) << "- " << Timestamp() << " " << ToString(level)
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<< ": ";
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return os;
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}
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static std::string Timestamp() {
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constexpr size_t buffer_len = 12;
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char buffer[buffer_len];
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time_t t;
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::time(&t);
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tm r;
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strftime(buffer, buffer_len, "%X", localtime_r(&t, &r));
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buffer[buffer_len - 1] = '\0';
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struct timeval tv;
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gettimeofday(&tv, nullptr);
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constexpr size_t result_len = 100;
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char result[result_len];
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snprintf(result, result_len, "%s.%03ld", buffer,
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(long)tv.tv_usec / 1000);
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result[result_len - 1] = '\0';
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return result;
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}
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};
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#define LOG(level) \
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if (level > LOG_MAX_REPORTING_LEVEL) \
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; \
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else if (level > sls::Logger::ReportingLevel()) \
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; \
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else \
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sls::Logger(level).Get()
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} // namespace sls
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