84 lines
1.8 KiB
C++
84 lines
1.8 KiB
C++
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#include "StdAfx.h"
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#include "NetPacketParser.h"
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#include <vector>
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#include <map>
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#define DNPRJSAFE // DNPrjSafe.h <20><><EFBFBD><EFBFBD>
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#include "CriticalSection.h"
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#include "DNPacket.h"
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#include "DNServerDef.h"
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#include "DNServerPacket.h"
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#include "SysBaseBase.h"
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CNetPacketParser::CNetPacketParser()
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{
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m_lpfnPacketNotifyProc = NULL;
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}
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CNetPacketParser::~CNetPacketParser()
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{
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}
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BOOL CNetPacketParser::PacketParse(class CSessionBase* lpSession, CHAR* lpcBuffer, INT& iBufferPtr, UINT uIoBytes, UINT uTotalBufferSize, LPVOID lpRecvNotifyProcParam, IN_ADDR /*stIpAddress*/, WORD /*wPortNumber*/)
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{
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CNetPacketParser* lpThis = reinterpret_cast<CNetPacketParser*>(lpRecvNotifyProcParam);
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if (uIoBytes < sizeof(DNTPacketHeader))
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return TRUE;
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// <20><>Ŷ<EFBFBD><C5B6> <20>⺻ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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UINT aParseProcessSize = 0;
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WHILE_INFINITE
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{
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SHORT aMainCmd = reinterpret_cast<DNTPacketHeader*>(lpcBuffer + iBufferPtr)->cMainCmd;
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SHORT aSubCmd = reinterpret_cast<DNTPacketHeader*>(lpcBuffer + iBufferPtr)->cSubCmd;
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SHORT aPacketLen = reinterpret_cast<DNTPacketHeader*>(lpcBuffer + iBufferPtr)->iLen;
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if (static_cast<UINT>(aPacketLen) > uTotalBufferSize)
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{
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iBufferPtr = uIoBytes;
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return FALSE;
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}
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if (static_cast<UINT>(aPacketLen) <= uIoBytes - iBufferPtr)
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{
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// Ư<><C6AF> <20><>Ŷ<EFBFBD><C5B6> <20><> <20><><EFBFBD><EFBFBD>
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if (lpThis->GetNotifyProc())
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{
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if (NOERROR != lpThis->GetNotifyProc()(lpSession, aMainCmd, aSubCmd,
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reinterpret_cast<LPBYTE>((aPacketLen > sizeof(DNTPacketHeader))?(lpcBuffer + iBufferPtr + sizeof(DNTPacketHeader)):(NULL)),
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aPacketLen))
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{
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iBufferPtr = uIoBytes;
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return FALSE;
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}
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}
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iBufferPtr += aPacketLen;
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aParseProcessSize += aPacketLen;
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}
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else
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{
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break;
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}
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if (aParseProcessSize >= uIoBytes)
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{
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// <20><>Ŷ<EFBFBD><C5B6> <20><> ó<><C3B3><EFBFBD>ߴ<EFBFBD>.
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break;
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}
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}
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return TRUE;
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}
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