text: ////////////////////////////////////////////////////////////////////////////////
  //
  // Copyright 2006 - 2019, Paul Beckingham, Federico Hernandez.
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included
  // in all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  //
  // http://www.opensource.org/licenses/mit-license.php
  //
  ////////////////////////////////////////////////////////////////////////////////
  
  #ifndef INCLUDED_MSG
  #define INCLUDED_MSG
  
  #include <map>
  #include <vector>
  #include <string>
  
  class Msg
  {
  public:
    void set (const std::string&, int);
    void set (const std::string&, const std::string&);
    std::string get (const std::string&) const;
  
    void setPayload (const std::string&);
    std::string getPayload () const;
  
    std::vector <std::string> all () const;
    std::string serialize () const;
    bool parse (const std::string&);
  
  private:
    std::map <std::string, std::string> _header {};
    std::string _payload                        {""};
  };
  
  #endif
  
  