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GameServerWorkerThread.cpp
Package: SwordOnline.rar [view]
Upload User: dzyhzl
Upload Date: 2019-04-29
Package Size: 56270k
Code Size: 6k
Category:
Game Server Simulator
Development Platform:
C/C++
- #include "GameServerWorkerThread.h"
- //[ Include in ...IPCPServer
- #include "IOCPServerUtils.h"
- #include "IOCPServertstring.h"
- #include "IOCPServerException.h"
- //]
- //[ Include in ...Protocol
- #include "ProtocolProtocol.h"
- //]
- /*
- * Using directives
- */
- using OnlineGameLib::Win32::CIOCompletionPort;
- using OnlineGameLib::Win32::CIOBuffer;
- using OnlineGameLib::Win32::CSocketServer;
- using OnlineGameLib::Win32::Output;
- using OnlineGameLib::Win32::OutPutInfo;
- using OnlineGameLib::Win32::_tstring;
- using OnlineGameLib::Win32::CException;
- using OnlineGameLib::Win32::ToString;
- using OnlineGameLib::Win32::DumpData;
- using OnlineGameLib::Win32::GetTimeStamp;
- CGameServerWorkerThread::CGameServerWorkerThread(
- CIOCompletionPort &iocp)
- : CSocketServer::WorkerThread(iocp)
- {
- }
- CGameServerWorkerThread::~CGameServerWorkerThread()
- {
- }
- void CGameServerWorkerThread::OnBeginProcessing()
- {
- Output( _T("OnBeginProcessing") );
- }
- void CGameServerWorkerThread::ReadCompleted(
- CSocketServer::Socket *pSocket,
- CIOBuffer *pBuffer)
- {
- try
- {
- pBuffer = ProcessDataStream( pSocket, pBuffer );
- pSocket->Read( pBuffer );
- }
- catch(const CException &e)
- {
- Output( _T("ReadCompleted - Exception - ") + e.GetWhere() + _T(" - ") + e.GetMessage() );
- pSocket->Shutdown();
- }
- catch(...)
- {
- Output( _T("ReadCompleted - Unexpected exception") );
- pSocket->Shutdown();
- }
- }
- void CGameServerWorkerThread::OnEndProcessing()
- {
- Output( _T("OnEndProcessing") );
- }
- void CGameServerWorkerThread::OnError( const OnlineGameLib::Win32::_tstring &message )
- {
- Output( _T("OnError - ") + message );
- }
- void CGameServerWorkerThread::ProcessCommand(
- CSocketServer::Socket *pSocket,
- const CIOBuffer *pBuffer) const
- {
- const BYTE *pPackData = pBuffer->GetBuffer();
- const size_t used = pBuffer->GetUsed();
- bool ok = false;
- WORD wDataLen = 0;
- PACK_HEADER ph = {0};
- if ( used > PACK_HEADER_LEN )
- {
- memcpy( &ph, pPackData, PACK_HEADER_LEN );
- wDataLen = ph.wDataLen;
- ok = true;
- }
- if ( ok )
- {
- const BYTE *pData = pPackData + PACK_HEADER_LEN;
- const size_t datalength = wDataLen;
- /*
- * TODO : Process data receive from client
- */
- // ==================== BEGIN =======================
- Output( _T("Package[length:") + ToString( wDataLen ) + _T("]n") + DumpData( pData, datalength, 40 ) );
- if ( datalength != 1000 ||
- 0 != memcmp( pData, "BEGIN", strlen( "BEGIN" ) ) ||
- 0 != memcmp( pData + 1000 - strlen( "END" ), "END", strlen( "END" ) ) )
- {
- OutPutInfo( "Found invalid data package on " + GetTimeStamp() );
- }
- // ==================== END =======================
- }
- else
- {
- Output( "found error and close this socket!" );
- pSocket->Close();
- }
- }
- size_t CGameServerWorkerThread::GetMinimumMessageSize() const
- {
- /*
- * The smallest possible package we accept is pack-header
- * once we have this many bytes we can start with try and work out
- * what we have...
- */
- return PACK_HEADER_LEN;
- }
- size_t CGameServerWorkerThread::GetMessageSize( const CIOBuffer *pBuffer ) const
- {
- const BYTE *pData = pBuffer->GetBuffer();
- const size_t used = pBuffer->GetUsed();
- PACK_HEADER ph = {0};
- /*
- * First, verify the flag of a message
- */
- if ( used > PACK_HEADER_LEN )
- {
- memcpy( &ph, pData, PACK_HEADER_LEN );
- if ( PACK_BEGIN_FLAG == ph.cPackBeginFlag &&
- PACK_END_FLAG == ph.cPackEndFlag )
- {
- WORD wCRC = MAKE_CRC_DATE( PACK_BEGIN_FLAG, PACK_END_FLAG, ph.wDataLen );
- if ( ph.wCRCData == wCRC )
- {
- return ph.wDataLen + PACK_HEADER_LEN;
- }
- }
- }
- return 0;
- }
- CIOBuffer *CGameServerWorkerThread::ProcessDataStream(
- CSocketServer::Socket *pSocket,
- CIOBuffer *pBuffer) const
- {
- bool done;
- // DEBUG_ONLY( Output( _T("ProcessDataStream:n") + DumpData( pBuffer->GetBuffer(), pBuffer->GetUsed(), 40 ) ) );
- do
- {
- done = true;
- const size_t used = pBuffer->GetUsed();
- if ( used >= GetMinimumMessageSize() )
- {
- const size_t messageSize = GetMessageSize( pBuffer );
- if ( messageSize == 0 )
- {
- /*
- * havent got a complete message yet.
- * we null terminate our messages in the buffer, so we need to reserve
- * a byte of the buffer for this purpose...
- */
- if ( used == ( pBuffer->GetSize() - 1 ) )
- {
- Output( _T("Too much data!") );
- /*
- * Write this message and then shutdown the sending side of the socket.
- */
- Output( "found error and close this socket!" );
- pSocket->Close();
- /*
- * throw the rubbish away
- */
- pBuffer->Empty();
- done = true;
- }
- }
- else if ( used == messageSize )
- {
- Output( _T("Got complete, distinct, message") );
- /*
- * we have a whole, distinct, message
- */
- pBuffer->AddData(0); // null terminate the command string;
- ProcessCommand( pSocket, pBuffer );
- pBuffer->Empty();
- done = true;
- }
- else if ( used > messageSize )
- {
- Output( _T("Got message plus extra data") );
- /*
- * we have a message, plus some more data
- *
- * allocate a new buffer, copy the extra data into it and try again...
- */
- CIOBuffer *pMessage = pBuffer->SplitBuffer( messageSize );
- pMessage->AddData(0); // null terminate the command string;
- ProcessCommand( pSocket, pMessage );
- pMessage->Release();
- /*
- * loop again, we may have another complete message in there...
- */
- done = false;
- }
- }
- }
- while ( !done );
- /*
- * not enough data in the buffer, reissue a read into the same buffer to collect more data
- */
- return pBuffer;
- }