cPingGray.h

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//
//
#ifndef _INC_cPingGray_H
#define _INC_cPingGray_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "cPingCommon.h"
 
namespace GrayLib
{
        class GRAYLIB_LINK cPingGray : public IPingProtocol
        {
 
        public:
                enum HEAD_TYPE
                {
                        HEAD_LENL = 0,  
                        HEAD_LENH,              
                        HEAD_MSGTYPE,   
                        HEAD_CHECK,             
                        HEAD_QTY,               
                };
 
                static const cPingGray k_Def;   
                const void* const m_pPrefix;    
                size_t const m_nPrefixSize;             
 
        private:
                virtual HRESULT CheckPingPacket(const BYTE* pData, size_t iLen, size_t* pnPayloadOffset) const override;
 
        public:
                cPingGray(const void* pPrefix, size_t iPrefixSize)
                        : m_pPrefix(pPrefix)
                        , m_nPrefixSize(iPrefixSize)
                {
                }
 
                virtual size_t MakePingPacket(OUT BYTE* pData, MSGTYPE_TYPE eMsgType, const void* pPayload, size_t nPayloadSize) const override;
        };
};
 
#endif