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src/commondefs.cpp 2.54 KB
51becbde   Peter M. Groen   Committed the ent...
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  /* Copyright (C) 2019
   *
   * This file is part of the osdev components suite
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the
   * Free Software Foundation; either version 2, or (at your option) any
   * later version.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
   */
  #include "commondefs.h"
  
  // std
  #include <ctime>
  #include <iomanip>
  
  namespace osdev {
  namespace components {
  namespace mqtt {
  
  std::ostream& operator<<(std::ostream& os, const StdTimeMs& rhs)
  {
      const std::time_t rhsTimeT = std::chrono::system_clock::to_time_t(rhs);
      struct tm tms
      {
          0, 0, 0, 0, 0, 0, 0, 0, 0, 0, nullptr
      };
      if (nullptr == gmtime_r(&rhsTimeT, &tms)) {
          os << "unknown";
      }
      else {
          char str[26] = { 0 };
          if (std::strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S.", &tms) > 0) {
              std::ostringstream oss;
              oss << str << std::setfill('0') << std::setw(3) << std::chrono::duration_cast<std::chrono::milliseconds>(rhs.timePoint - std::chrono::system_clock::from_time_t(rhsTimeT)).count() << ' ';
              if (std::strftime(str, sizeof(str), "%z", &tms) == 0) {
                  return os;
              }
              oss << str;
              os << oss.str();
          }
      }
      return os;
  }
  
  }       // End namespace mqtt
  }       // End namespace components
  }       // End namespace osdev
  
  namespace std {
  
  std::ostream& operator<<(std::ostream& os, const osdev::components::mqtt::StdTime& rhs)
  {
      /// @todo: Use put_time when it's implemented in gcc (5.0)
      //    auto rhsTimeT = std::chrono::system_clock::to_time_t(rhs);
      //    os << std::put_time(std::localtime(&rhsTimeT), "%F %T");
      const std::time_t rhsTimeT = std::chrono::system_clock::to_time_t(rhs);
      struct tm tms
      {
          0, 0, 0, 0, 0, 0, 0, 0, 0, 0, nullptr
      };
      if (nullptr == gmtime_r(&rhsTimeT, &tms)) {
          os << "unknown";
      }
      else {
          char str[26];
          if (std::strftime(str, sizeof(str), "%Y-%m-%d %H:%M:%S %z", &tms) > 0) {
              os << str;
          }
      }
      return os;
  }
  
  }       // End namespace std