chatInterDIS.h

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/*********************************************************************
** Copyright (c) 2025 MAK Technologies, Inc.
** All rights reserved.
*********************************************************************/
 
 
#pragma once
 
#if DtDIS 

#include <vrfExtObjects/dllExport.h>
#include <vl/interaction.h>
#include <vrfExtProtocol/disEnumsExtensions.h>
 
class DtExerciseConn;

class DtChatInter;
 
struct DtChatInterPdu
{
   DtNetPduHeader DtHeader;
   DtNetEntityIdentifier mySender;
   DtNetU8 myForceIdentifier;
   DtNetU8 padding1;
   DtNetU32 padding2;
   // List of resource entity type follows
};
 
typedef void (*DtChatInterInterCb) (DtChatInter* inter, 
   void* usr);
 
class DT_DLL_vrfExtObjects DtChatInter : public DtInteraction
{
public:
 
   DtChatInter(DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER);
 
   virtual ~DtChatInter() override;
 
   DtChatInter(const DtChatInter& orig);
 
   DtChatInter& operator=(const DtChatInter& orig);

   virtual void setSender(const DtEntityIdentifier& val);

   virtual DtEntityIdentifier sender() const;

   virtual void setSenderUsername(const std::wstring& val);

   virtual std::wstring senderUsername() const;

   virtual void setChannel(const std::wstring& val);

   virtual std::wstring channel() const;

   virtual void setForceIdentifier(DtForceType val);

   virtual DtForceType forceIdentifier() const;

   virtual void setMessageText(const std::wstring& val);

   virtual std::wstring messageText() const;
      
   virtual const char* name() const { return "DtChatInter"; }
 
   virtual void printData() const override;
 
   virtual void printDataToStream(std::ostream &stream) const override;
 
public:
 
   static DtPdu* create(const DtNetPacket *initial,
      DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER, DtPduFactory* pduFactory = 0);
 
   static void addCallback(DtExerciseConn* conn,
      DtChatInterInterCb cb, void* usr);
   static void removeCallback(DtExerciseConn* conn,
      DtChatInterInterCb cb, void* usr);
 
protected:

   DtChatInter(const DtNetPacket* pkt, DtBufferPtr buffer = DtUSE_INTERNAL_BUFFER, DtPduFactory* pduFactory = 0);

   // Reads the variable sized data into local storage.
   virtual void readVariableSizedData();
 
   // Returns the number of bytes in the fixed length portion of this PDU
   virtual unsigned int fixedBytesSize() const;

   // A pointer to the first byte of variable datums. If there are no variable
   // datums this points to the first byte out-of-bounds. This address should
   // only be used if you know the PDU has been resized correctly. 
   virtual char* firstVarDatumStart() const;

   // Returns the minimum size of this PDU, in bytes. Not virtual because it is
   // used to initialize the PDU in the constructor.
   unsigned int minimumSize() const;

   virtual unsigned netSizeOfWString(const std::wstring& val) const;
   virtual void writeWString(char* buffer, const std::wstring& val);
   virtual void readWString(char* buffer, std::wstring& val) const;
   
   static DtPduKind internalGetPduKindImpl() { return DtChatPduKind; }
   virtual DtPduKind internalGetPduKind() const override {
     return internalGetPduKindImpl();}
 
protected:

   // Cached values to ensure proper buffering
   mutable std::wstring mySenderUsername;
   mutable std::wstring myChannel;
   mutable std::wstring myMessageText;
 
};
 
DT_DLL_vrfExtObjects std::ostream& operator<< (std::ostream& stream, 
   const DtChatInter& object);
 
#endif