Response.hpp

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// ANNA - Anna is Not Nothingness Anymore                                                         //
//                                                                                                //
// (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo                         //
//                                                                                                //
// See project site at http://redmine.teslayout.com/projects/anna-suite                           //
// See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //


#ifndef anna_diameter_comm_Response_hpp
#define anna_diameter_comm_Response_hpp


#include <anna/core/util/Recycler.hpp>
#include <anna/core/Allocator.hpp>
#include <anna/core/RuntimeException.hpp>

// Local
#include <anna/diameter/defines.hpp>
#include <anna/diameter.comm/ClassCode.hpp>


namespace anna {
class DataBlock;
}


namespace anna {

namespace diameter {

namespace comm {

class Session;
class Timer;
class Message;

class Response {
public:

  struct ResultCode {
    enum _v {
      Undefined,
      Success,
      Timeout, 
      DiameterUnavailable 
    };
  };

  const ClassCode::_v & getClassCode() const { return a_classCode; }

  HopByHop getHopByHop() const { return a_hopByHop; }

  const Session* getSession() const { return a_session; }

  Session* getSession() { return a_session; }


  const ResultCode::_v & getResultCode() const { return a_resultCode; }


  const Message* getRequest() const { return a_request; }

  const anna::DataBlock *getMessage() const { return a_message; }

  // helpers

//   /**
//      Reponse regarding diameter keepalive
//   */
//   bool isKeepAlive() const ;

  std::string asString() const ;

private:
  ClassCode::_v a_classCode;
  HopByHop a_hopByHop;
  Session* a_session;
  ResultCode::_v a_resultCode;
  Timer* a_timer;
  const Message* a_request; // associated original request
  const anna::DataBlock *a_message; // received datablock from server

  typedef anna::Recycler<Response> response_pool;
  static response_pool st_responses;

  Response();

  static Response* instance(const ClassCode::_v &, const HopByHop) noexcept(false);
  static void release(Response* response) ;

  void clear() ;

  void setSession(Session* session) { a_session = session; }
  void setRequest(const Message* request) { a_request = request; }
  void setMessage(const anna::DataBlock *message) { a_message = message; }
  void activateTimer() noexcept(false);
  void cancelTimer() ;
  void setResultCode(const ResultCode::_v & resultCode) { a_resultCode = resultCode; }

  static const char* asText(const ResultCode::_v) ;

  friend class Session;
  friend class ClientSession;
  friend class ServerSession;
  friend class Timer;
  friend class anna::Allocator<Response>;
};

}
}
}

#endif