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/*=========================================================================

  Program: GDCM (Grassroots DICOM). A DICOM library

  Copyright (c) 2006-2011 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef GDCMAASSOCIATEACPDU_H
#define GDCMAASSOCIATEACPDU_H

#include "gdcmTypes.h"
#include "gdcmApplicationContext.h"
#include "gdcmPresentationContextAC.h"
#include "gdcmUserInformation.h"
#include "gdcmBasePDU.h"

#include <vector>

namespace gdcm
{

namespace network
{
class AAssociateRQPDU;

/**
 * \brief AAssociateACPDU
 * \details Table 9-17
 * ASSOCIATE-AC PDU fields
 */
class AAssociateACPDU : public BasePDU
{
public:
  AAssociateACPDU();
  std::istream &Read(std::istream &is) override;
  const std::ostream &Write(std::ostream &os) const override;

  void AddPresentationContextAC( PresentationContextAC const &pcac );

  typedef std::vector<PresentationContextAC>::size_type SizeType;
  const PresentationContextAC &GetPresentationContextAC( SizeType i ) {
    assert( !PresContextAC.empty() && i < PresContextAC.size() );
    return PresContextAC[i];
  }
  SizeType GetNumberOfPresentationContextAC() const {
    return PresContextAC.size();
  }
  const UserInformation &GetUserInformation() const { return UserInfo; }

  SizeType Size() const override;

  void Print(std::ostream &os) const override;
  bool IsLastFragment() const override { return true; }

  void InitFromRQ( AAssociateRQPDU const & rqpdu );
protected:
  friend class AAssociateRQPDU;
  void SetCalledAETitle(const char calledaetitle[16]);
  void SetCallingAETitle(const char callingaetitle[16]);

private:
  void InitSimple( AAssociateRQPDU const & rqpdu );

private:
  static const uint8_t ItemType; // PDUType ?
  static const uint8_t Reserved2;
  uint32_t PDULength; // len of
  static const uint16_t ProtocolVersion;
  static const uint16_t Reserved9_10;

  // This reserved field shall be sent with a value identical to the value
  // received in the same field of the A-ASSOCIATE-RQ PDU, but its value
  // shall not be tested when received.
  char Reserved11_26[16];
  // This reserved field shall be sent with a value identical to the value
  // received in the same field of the A-ASSOCIATE-RQ PDU, but its value
  // shall not be tested when received.
  char Reserved27_42[16];
  // This reserved field shall be sent with a value identical to the value
  // received in the same field of the A-ASSOCIATE-RQ PDU, but its value
  // shall not be tested when received.
  char Reserved43_74[32];
  /*
  75-xxx Variable items This variable field shall contain the following items: one Application
  Context Item, one or more Presentation Context Item(s) and one User
  Information Item. For a complete description of these items see Sections
  7.1.1.2, 7.1.1.14, and 7.1.1.6.
   */
  ApplicationContext AppContext;
  std::vector<PresentationContextAC>	PresContextAC;
  UserInformation UserInfo;
};

} // end namespace network

} // end namespace gdcm

#endif //GDCMAASSOCIATEACPDU_H