Data_Query_PDU.h

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Copyright 2013 Karl Jones
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*********************************************************************/

/********************************************************************
    class:      Data_Query_PDU
    DIS:        (5) 1278.1 - 1995
    created:    08/10/2008
    author:     Karl Jones

    purpose:    Requests for data from an entity are communicated by a Data Query PDU
        size:       320 bits/ 40 octets - not including variable param sizes
*********************************************************************/

#pragma once

#include "./Data_PDU.h"

namespace KDIS {
namespace PDU {

class KDIS_EXPORT Data_Query_PDU : public Simulation_Management_Header
{
protected:
        
    KUINT32 m_ui32RequestID;

        KDIS::DATA_TYPE::TimeStamp m_TimeInterval;      
        
        KUINT32 m_ui32NumFixedDatum;

    KUINT32 m_ui32NumVariableDatum;

        std::vector<KUINT32> m_vFixedDatum;

        std::vector<KUINT32> m_vVariableDatum;    

public:

    static const KUINT16 DATA_QUERY_PDU_SIZE = 40;

    Data_Query_PDU();

        Data_Query_PDU( const Header & H );

    Data_Query_PDU( KDataStream & stream ) throw( KException );

        Data_Query_PDU( const Header & H, KDataStream & stream ) throw( KException );

    Data_Query_PDU( const KDIS::DATA_TYPE::EntityIdentifier & OriginatingEntityID, const KDIS::DATA_TYPE::EntityIdentifier & ReceivingEntityID,
                    KUINT32 RequestID );

    virtual ~Data_Query_PDU();
        
    //************************************
    // FullName:    KDIS::PDU::Data_Query_PDU::SetRequestID
    //              KDIS::PDU::Data_Query_PDU::GetRequestID
    //!Description: Request ID, identifies the matching response
    //!             to a Data Query PDU or Set Data PDU.
    // Parameter:   KUINT32 ID
    //************************************
    void SetRequestID( KUINT32 ID );
    KUINT32 GetRequestID() const;       

    //************************************
    // FullName:    KDIS::PDU::Data_Query_PDU::SetTimeInterval
    //              KDIS::PDU::Data_Query_PDU::GetTimeInterval
    //!Description: Specifies the time interval between issues of
    //!             Data PDUs, a value of 0(default) indicates the data should
    //!             be sent once and not at any other time intervals.
    // Parameter:   TimeStamp TI
    //************************************
    void SetTimeInterval( const KDIS::DATA_TYPE::TimeStamp & TI );
    const KDIS::DATA_TYPE::TimeStamp & GetTimeInterval() const;
        KDIS::DATA_TYPE::TimeStamp & GetTimeInterval();

    //************************************
    // FullName:    KDIS::PDU::Data_Query_PDU::GetNumberFIxedDatum
    //!Description: Returns number of fixed datum records
    //************************************
    KUINT32 GetNumberFIxedDatum() const;

    //************************************
    // FullName:    KDIS::PDU::Data_Query_PDU::GetNumberVariableDatum
    //!Description: Returns number of variable datum records
    //************************************
    KUINT32 GetNumberVariableDatum() const;

    //************************************
    // FullName:    KDIS::PDU::Data_Query_PDU::AddFixedDatum
    //              KDIS::PDU::Data_Query_PDU::SetFixedDatum
    //              KDIS::PDU::Data_Query_PDU::GetFixedDatum
    //!Description: Datum ID's for which information is required.
    // Parameter:   KUINT32 FD, const vector<KUINT32> & FD
    //************************************
    void AddFixedDatum( KUINT32 FD );
        void SetFixedDatum( const std::vector<KUINT32> & FD );
        const std::vector<KUINT32> & GetFixedDatum() const;

    //************************************
    // FullName:    KDIS::PDU::Data_Query_PDU::AddVariableDatum
    //              KDIS::PDU::Data_Query_PDU::SetVariableDatum
    //              KDIS::PDU::Data_Query_PDU::GetVariableDatum
    //!Description: Datum ID's for which information is required.
    // Parameter:   VarDtmPtr VD, const vector<VarDtmPtr> & VD
    //************************************
    void AddVariableDatum( KUINT32 VD );
        void SetVariableDatum( const std::vector<KUINT32> & VD );
        const std::vector<KUINT32> & GetVariableDatum() const;

    //************************************
    // FullName:    KDIS::PDU::Data_Query_PDU::GetAsString
    //!Description: Returns a string representation of the PDU.
    //************************************
    virtual KString GetAsString() const;

    //************************************
    // FullName:    KDIS::PDU::Data_Query_PDU::Decode
    //!Description: Convert From Network Data.
    // Parameter:   KDataStream & stream
    // Parameter:   bool ignoreHeader = false - Decode the header from the stream? 
    //************************************
    virtual void Decode( KDataStream & stream, bool ignoreHeader = false ) throw( KException );

    //************************************
    // FullName:    KDIS::PDU::Data_Query_PDU::Encode
    //!Description: Convert To Network Data.
    // Parameter:   KDataStream & stream
    //************************************
    virtual KDataStream Encode() const;
    virtual void Encode( KDataStream & stream ) const;

    KBOOL operator == ( const Data_Query_PDU & Value ) const;
    KBOOL operator != ( const Data_Query_PDU & Value ) const;
};

} // END namespace PDU
} // END namespace KDIS