GmshMessage.h

// Gmsh - Copyright (C) 1997-2019 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file for license information. Please report all
// issues on https://gitlab.onelab.info/gmsh/gmsh/issues.

#ifndef _GMSH_MESSAGE_H_
#define _GMSH_MESSAGE_H_

#include <map>
#include <vector>
#include <string>
#include <stdarg.h>

#include "GmshConfig.h"

class GmshClient;
namespace onelab {
  class client;
}

// the external message handler
class GmshMessage {
public:
  GmshMessage() {}
  virtual ~GmshMessage() {}
  virtual void operator()(std::string level, std::string message) {}
};

// a class to manage messages
class Msg {
private:
  // current cpu number and total number of cpus
  static int _commRank, _commSize;
  // verbosity level (0: silent except fatal errors, 1: +errors, 2: +warnings,
  // 3: +direct, 4: +info, 5 (=normal): +statusbar, 99: debug)
  static int _verbosity;
  // step (in %) of the progress meter and current progress %
  static int _progressMeterStep, _progressMeterCurrent;
  // timers
  static std::map<std::string, double> _timers;
  // report cpu time for each info message?
  static bool _infoCpu;
  // starting time (gettimeofday at startup)
  static double _startTime;
  // counters
  static int _warningCount, _errorCount, _atLeastOneErrorInRun;
  static std::string _firstWarning, _firstError;
  // callback
  static GmshMessage *_callback;
  // command-line and startup time
  static std::string _commandLine, _launchDate;
  // command-line-specified numbers and strings
  static std::map<std::string, std::vector<double> > _commandLineNumbers;
  static std::map<std::string, std::string> _commandLineStrings;
  // communication with Gmsh when run remotely
  static GmshClient *_client;
#if defined(HAVE_ONELAB)
  // communication with onelab server
  static onelab::client *_onelabClient;
#endif
  // executable name
  static std::string _execName;
  // log file
  static std::string _logFileName;
  static FILE *_logFile;

public:
  Msg() {}
  static void Init(int argc, char **argv);
  static void Exit(int level);