.. _program_listing_file_include_parpecommon_logging.h:

Program Listing for File logging.h
==================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_parpecommon_logging.h>` (``include/parpecommon/logging.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef LOGGING_H
   #define LOGGING_H
   
   #include <string>
   #include <cstdarg>
   #include <memory>
   
   namespace parpe {
   
   constexpr const char ANSI_COLOR_RED[] = "\x1b[31m";
   constexpr const char ANSI_COLOR_GREEN[] = "\x1b[32m";
   constexpr const char ANSI_COLOR_YELLOW[] = "\x1b[33m";
   constexpr const char ANSI_COLOR_BLUE[] = "\x1b[34m";
   constexpr const char ANSI_COLOR_MAGENTA[] = "\x1b[35m";
   constexpr const char ANSI_COLOR_CYAN[] = "\x1b[36m";
   constexpr const char ANSI_COLOR_RESET[] = "\x1b[0m";
   
   std::string printfToString(const char *fmt, va_list ap);
   
   enum class loglevel {
       critical = 1,
       error,
       warning,
       info,
       debug
   };
   
   // Minimum log level that will be printed
   extern loglevel minimumLogLevel;
   
   void logmessage(loglevel lvl, std::string const& msg);
   void logmessage(loglevel lvl, const char *format, ...);
   void logmessage(loglevel lvl, const char *format, va_list argptr);
   
   void logProcessStats();
   
   void printMPIInfo();
   
   void printDebugInfoAndWait(int seconds = 15);
   
   class Logger {
   public:
       Logger() = default;
       explicit Logger(std::string prefix);
   
       std::unique_ptr<Logger> getChild(std::string const& appendedPrefix) const;
   
       // TODO add stream operator
   
       void logmessage(loglevel lvl, std::string const& msg) const;
       void logmessage(loglevel lvl, const char *format, ...) const;
       void logmessage(loglevel lvl, const char *format, va_list argptr) const;
       void setPrefix(std::string const& pre);
       std::string const& getPrefix() const;
   
   private:
       std::string prefix;
   };
   
   } // namespace parpe
   #endif