gz/transport/Helpers.hh

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/*
 * Copyright (C) 2014 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
*/
 
#ifndef GZ_TRANSPORT_HELPERS_HH_
#define GZ_TRANSPORT_HELPERS_HH_
 
#include <zmq.hpp>
 
#include <cstdint>
#include <cstdio>
#include <cstring>
#include <limits>
#include <string>
#include <vector>
 
#include "gz/transport/config.hh"
#include "gz/transport/Export.hh"
 
// Avoid using deprecated message send/receive function when possible.
#if ZMQ_VERSION > ZMQ_MAKE_VERSION(4, 3, 1)
  #define IGN_ZMQ_POST_4_3_1
#endif
 
// Avoid using deprecated set function when possible
#if CPPZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 7, 0)
  // Ubuntu Focal (20.04) packages a different "4.7.0"
  // And so does apparently Debian Bullseye
  #if !defined(UBUNTU_FOCAL) && !defined(DEBIAN_BULLSEYE)
    #define IGN_CPPZMQ_POST_4_7_0
  #endif
#endif
 
namespace ignition
{
  namespace transport
  {
    // Inline bracket to help doxygen filtering.
    inline namespace IGNITION_TRANSPORT_VERSION_NAMESPACE {
    //
    static const uint64_t kUnthrottled = std::numeric_limits<uint64_t>::max();
 
    bool IGNITION_TRANSPORT_VISIBLE env(const std::string &_name,
                                        std::string &_value);
 
    std::vector<std::string> IGNITION_TRANSPORT_VISIBLE split(
        const std::string &_orig,
        char _delim);
 
    unsigned int IGNITION_TRANSPORT_VISIBLE getProcessId();
 
    // Use safer functions on Windows
    #ifdef _MSC_VER
      #define ign_strcat strcat_s
      #define ign_strcpy strcpy_s
      #define ign_sprintf sprintf_s
      #define ign_strdup _strdup
    #else
      #define ign_strcat std::strcat
      #define ign_strcpy std::strcpy
      #define ign_sprintf std::sprintf
      #define ign_strdup strdup
    #endif
  }
  }
}
 
// IGN_TRANSPORT_HELPERS_HH_
#endif