cpp-logger/src/common.cxx

//
//  common.cxx
//  logging
//
//  Created by Sam Jaffe on 4/1/19.
//

#include "common.h"

#include <cassert>
#include <ctime>

#define X(l)          \
  case logging::L##l: \
    return #l;
const char* logging::level_header(log_level l) {
  assert(l != logging::LNONE);
  switch (l) {
    X(FATAL)
    X(CRITICAL)
    X(ERROR)
    X(WARNING)
    X(INFO)
    X(DEBUG)
    X(TRACE)
    X(NONE)
  }
}
#undef X

timeval logging::now() {
  struct timeval tv;
  gettimeofday( &tv, nullptr );
  return tv;
}

std::string logging::timestamp() {
  time_t round = std::time(NULL);
  char buf[32];
  std::strftime(buf, sizeof(buf), "%Y%m%dT%H%M%S", std::localtime(&round));
  return buf;
}

namespace logging {
  std::ostream & operator<<(std::ostream & os, log_level l) {
    return os << std::string(level_header(l));
  }
}