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Use of free SocketPro package for creating super client and server applications

, 23 Feb 2002
A set of socket libraries for writing distributed computing applications over the internet
socketpro.zip
netdemo
ClientComponents
MultiSvsSample
SvrComponents
bin
include
lib
Samples
client
DnsSvs
GetHTML
InternetIO
MultiSvsSample
SpeedTest
res
DResolver
Svr
NormalApp
NTSvs
help
trash
SecureSocket
SafeSocket
DNSResolver.exe
GetHtml.exe
IONet.exe
MultipleSvs.exe
MultiSvs.exe
MultiSvsClient.exe
NetBaseR.dll
SafeSocket.exe
SecureSocket.exe
SpeedTest.exe
ClientSocket.dll
DResolver.dll
SBroker.dll
SockFile.dll
fundamental.gif
patterns.gif
NetBaseR.lib
DNSResolver
DNSResolver.vbp
DNSResolver.vbw
frmDNSResolver.frm
frmDNSResolver.frx
frmChatClient.frm
frmChatClient.frx
GETHTML.vbp
GETHTML.vbw
iIO.frm
IONet
IONet.vbp
IONet.vbw
frmMultiSvs.frm
frmMultiSvs.frx
MultiSvs.vbp
MultiSvs.vbw
SafeSocket.vbp
SafeSocket.vbw
SecureSocket.frm
SpeedTest.ico
SpeedTest.aps
SpeedTest.clw
SpeedTest.dsp
SpeedTest.dsw
dlldata.obj
DNS.rgs
DResolver.aps
DResolver.def
DResolver.dsp
DResolver.dsw
DResolver.opt
DResolver.plg
DResolver.tlb
DResolverps.def
DResolverps.exp
DResolverps.lib
DResolverps.mk
DResolver_i.obj
DResolver_p.obj
MultipleSvs.dsp
MultipleSvs.dsw
MultiSvs.dsp
MultiSvs.dsw
MultiSvs.rgs
MultiSvs.tlb
MultiSvsps.def
MultiSvsps.mk
dlldata.obj
SafeSocket.aps
SafeSocket.dsp
SafeSocket.dsw
SafeSocket.plg
SafeSocket.rgs
SafeSocket.tlb
SafeSocketps.def
SafeSocketps.dll
SafeSocketps.exp
SafeSocketps.lib
SafeSocketps.mk
SafeSocket_i.obj
SafeSocket_p.obj
SPassword.rgs
MultipleSvs.exe
MultiSvs.exe
NetBaseR.dll
SafeSocket.exe
// This is a part of the SocketPro package.
// Copyright (C) 2000-2002 UDAParts 
// All rights reserved.
//
// This source code is only intended as a supplement to the
// SocketPro Classes Reference and related
// electronic documentation provided with the package.
// See these sources for detailed information regarding this
// UDAParts product.

// Please don't disclose any source code of the software to any person or entity,
//
// Please don't decompile, disassemble, or reverse engineer any object code of 
// any portion of the software.
//  
// Copyright (c) 2002 by Yuancai (Charlie) Ye
// yekerui@yahoo.com

#ifndef __Socket_BASE_H__
#define __Socket_BASE_H__

#include <winsock2.h>

#ifndef	WM_MIN_SOCKETPRO			
	#define	WM_MIN_SOCKETPRO				(WM_USER + 0x0100)
#endif

#ifndef	WM_MAX_SOCKETPRO			
	#define	WM_MAX_SOCKETPRO				0x0FFF
#endif

#ifndef WM_WSAGetHostByName
	#define WM_WSAGetHostByName				(WM_USER+0x0377)
#endif

#ifndef WM_WSAGetHostByAddr
	#define WM_WSAGetHostByAddr				(WM_USER+0x0378)
#endif

#ifndef WM_WSAAsyncGetHostByName
	#define WM_WSAAsyncGetHostByName		(WM_USER+0x0379)
#endif

#ifndef WM_SOCKET_SVR_NOTIFY
	#define WM_SOCKET_SVR_NOTIFY			(WM_USER+0x0380)
#endif

#ifndef WM_SOCKET_CLIENT_NOTIFY
	#define WM_SOCKET_CLIENT_NOTIFY			(WM_USER+0x0381)
#endif

#ifndef WM_SOCKET_THREAD_STARTING
	#define WM_SOCKET_THREAD_STARTING		(WM_SOCKET_CLIENT_NOTIFY + 1)
#endif

#ifndef WM_SOCKET_THREAD_PROCESSING
	#define WM_SOCKET_THREAD_PROCESSING		(WM_SOCKET_CLIENT_NOTIFY + 2)
#endif

#ifndef WM_SOCKET_THREAD_ENDING
	#define WM_SOCKET_THREAD_ENDING			(WM_SOCKET_CLIENT_NOTIFY + 3)
#endif

#ifndef WM_SOCKET_REQUEST_DONE
	#define WM_SOCKET_REQUEST_DONE			(WM_SOCKET_CLIENT_NOTIFY + 4)
#endif

#ifndef WM_SOCKET_ASKFOR_PROCESS
	#define WM_SOCKET_ASKFOR_PROCESS		(WM_SOCKET_CLIENT_NOTIFY + 5)
#endif

#ifndef WM_SOCKET_CLEAN_DEAD_CLIENT
	#define WM_SOCKET_CLEAN_DEAD_CLIENT		(WM_SOCKET_CLIENT_NOTIFY + 6)
#endif

#ifdef DONT_NEED_NETBASE_DLL	//need original source codes 		
	#define	NETBASE_EXPORT
#else
	#ifdef	BUILD_NETBASE
		#define	NETBASE_EXPORT __declspec(dllexport)
	#else
		#define	NETBASE_EXPORT __declspec(dllimport)
	#endif
#endif

#if !defined(BUILD_NETBASE) && !defined(DONT_NEED_NETBASE_DLL)
	#ifdef __BORLANDC__		//Borland compiler
		#ifdef _DEBUG
			#pragma comment(lib, "NetBasBD.lib")
		#else
			#pragma comment(lib, "NetBasBR.lib")
		#endif
	#else					//Visual C++
		#ifdef _DEBUG
			#pragma comment(lib, "NetBaseR.lib")
		#else
			#pragma comment(lib, "NetBaseR.lib")
		#endif
	#endif 
#endif


bool NETBASE_EXPORT InitSocket();
void NETBASE_EXPORT UninitSocket();

extern NETBASE_EXPORT char	g_strNetBaseKey[40];
extern NETBASE_EXPORT CRITICAL_SECTION	g_CriticalSection;

bool NETBASE_EXPORT IsDead(SOCKET hSocket);	

typedef	HRESULT SockMethodID;

typedef HRESULT (*SLOW_FUNC) (SOCKET hSocket, SockMethodID nMethodID, void *pBuffer, DWORD nBufferLen, void* pSockWithThread);

class CSockWithThread;
class CAsySocketClient;
class CAsySocketSvr;
class CSockThreadInfo;

class NETBASE_EXPORT CAsySocket  
{
public:
	CAsySocket();
	virtual ~CAsySocket();

public:
	virtual void ShutDown(int nHow=SD_SEND);
	virtual void Close(int nHow=SD_SEND);
	virtual bool Create(UINT nSocketPort, LPCTSTR lpszSocketAddress=NULL);

	bool GetSockAddr(UINT& nSocketPort, LPSTR& strIPAddress);
	bool GetSockAddr( SOCKADDR* lpSockAddr, int* lpSockAddrLen );
	
	bool AsyncSelect(long lNewEvent);
	bool GetSockOpt(int nOptionName, void* pnOptionValue, int nOptionLen, int nLevel=SOL_SOCKET);
	bool SetSockOpt(int nOptionName, const void* pnOptionValue, int nOptionLen, int nLevel=SOL_SOCKET );
	bool IOCtl(long nCommand, DWORD& nArgument);
	HWND GetWnd();
	bool SetWnd(HWND hWnd);
	bool IsOpen();
	void SetInstance(HINSTANCE hInstance);
	HINSTANCE GetInstance();
	void SetAddressFormat(int nAddressFormat=PF_INET);
	void SetSocketType(int nSocketType=SOCK_STREAM);
	void SetProtocol(int nProtocol);
	int	 GetProtocol();
	static bool GetLocalName (LPSTR strLocalName, int nLocalNameLen);
	static int GetLastError( );
	
	//native SOCKET messages
	virtual void OnReceive(WPARAM hSocket,  LPARAM lError)=0;

	virtual void OnAccept(WPARAM hSocket,  LPARAM lError);
	virtual void OnConnect(WPARAM hSocket,  LPARAM lError);
	virtual void OnSend(WPARAM hSocket,  LPARAM lError);
	virtual void OnClose(WPARAM hSocket,  LPARAM lError);
	virtual void OnMessage(UINT Msg, WPARAM wParam,  LPARAM lParam);

	//usually, you will not meet the following events
	virtual void OnAddressListChange(WPARAM hSocket,  LPARAM lError);
	virtual void OnRoutingInterfaceChange(WPARAM hSocket,  LPARAM lError);
	virtual void OnGroupQoS(WPARAM hSocket,  LPARAM lError);
	virtual void OnQoS(WPARAM hSocket,  LPARAM lError);
	virtual void OnOutOfBandData(WPARAM hSocket,  LPARAM lError);

private:
	void Messagehandler(UINT Msg,  WPARAM hSocket,  LPARAM lParam);
	bool CreateWnd();
	bool Socket();
	bool Bind(UINT nSocketPort, LPCTSTR lpszSocketAddress = NULL );
	bool Bind(const SOCKADDR* lpSockAddr, int nSockAddrLen );

public:
	SOCKET			m_hSocket;
	int				m_nRtn;

protected:
	long			m_lEvent;
	int				m_nSocketType;
	unsigned int	m_nMsg;
	int				m_nAddressFormat;
	
private:
	HINSTANCE		m_hInstance;
	int				m_nProtocol;  
	HWND			m_hWnd;
	bool			m_bCreated;
	WNDPROC			m_pWinProc;
	LPCTSTR			m_strWndClassName;

	friend class CAsySocketClient;
	friend class CAsySocketSvr;
	friend LRESULT CALLBACK ODBDefWindowProc(HWND hWnd,  UINT Msg,  WPARAM wParam,  LPARAM lParam);
};

#define		Sock_ErrorOffsetSvr		0x88000000
class NETBASE_EXPORT CAsySocketSvr	: public CAsySocket
{
public:
	CAsySocketSvr();
	virtual ~CAsySocketSvr();

public:
	virtual CAsySocketClient* CreateClientSocket()=0;

	virtual void Close(int nHow=SD_SEND);
	bool Listen(int nMaxBacklog=5);
	UINT	GetClientCount();
	CAsySocketClient* GetClient(UINT nIndex) const;
	CAsySocketClient* FindClient(SOCKET hSocket) const;

	virtual bool ResetSocketClient(CAsySocketClient* pOldSocketClient, CAsySocketClient* pNewSocketClient);
	virtual void OnAccept(WPARAM hSocket,  LPARAM lError);
	virtual void OnClose(WPARAM hSocket,  LPARAM lError);
	virtual void OnReceive(WPARAM hSocket,  LPARAM lError);
	virtual void OnMessage(UINT Msg, WPARAM wParam,  LPARAM lParam);

protected:
	virtual bool Accept(WPARAM hSocket, LPCONDITIONPROC pConditionProc=NULL, DWORD dwCallbackData=0, SOCKADDR* pSockAddr=NULL, int* pnSockAddrLen=NULL);

private:
	static VOID CALLBACK PingTimerProc(HWND hwnd, UINT uMsg, UINT idEvent, DWORD dwTime);
	static DWORD WINAPI	 PingThreadProc(LPVOID lpParameter);
	void	OnDeadClientFound(unsigned long nAddr);

private:
	HANDLE				m_hThreadPing;
	DWORD				m_dwIDPing;
};

extern NETBASE_EXPORT CAsySocketSvr	*g_pSocketSvr;

#define		__MAX_UID_LEN__			128
#define		__MAX_PASSWORD_LEN__	128
#define	Sock_ErrorOffsetClient		0x80000000
#define	SOCKET_SERVER_SECURITY_CHECK_FALIED		(Sock_ErrorOffsetSvr + 0x01000000)

class NETBASE_EXPORT CAsySocketClient : public CAsySocket
{
public:
	CAsySocketClient();

public:
	//must implement your run function
	virtual bool Run()=0;
	virtual void Close(int nHow=SD_SEND);
	virtual void OnWSAGetHostByName(WPARAM wParam, short nError, short nBufferLen);
	virtual void OnWSAGetHostByAddr(WPARAM wParam, short nError, short nBufferLen);
	virtual void OnConnect(WPARAM hSocket,  LPARAM lError);
	virtual void OnMessage(UINT Msg, WPARAM wParam,  LPARAM lParam);
	virtual unsigned long Receive( void* pBuf, DWORD dwBufLen, LPWSAOVERLAPPED lpOverlapped=NULL, LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionROUTINE=NULL, DWORD nFlags = 0 );
	virtual unsigned long ReceiveFrom(void* pBuf, DWORD dwBufLen, SOCKADDR* pSockAddr, int* pnSockAddrLen, LPWSAOVERLAPPED lpOverlapped=NULL, LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionROUTINE=NULL, DWORD dwFlags = 0 );
	virtual unsigned long ReceiveFrom(void* pBuf, DWORD dwBufLen, LPSTR& strSocketAddress, UINT& nSocketPort, LPWSAOVERLAPPED lpOverlapped=NULL, LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionROUTINE=NULL, DWORD dwFlags = 0 );
	virtual unsigned long Send( const void* pBuf, DWORD dwBufLen, LPWSAOVERLAPPED lpOverlapped=NULL, LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionROUTINE=NULL, DWORD nFlags = 0 );
	virtual unsigned long SendTo(const void* pBuf, DWORD dwBufLen, UINT nHostPort, LPCTSTR lpszHostAddress=NULL, LPWSAOVERLAPPED lpOverlapped=NULL, LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionROUTINE=NULL, DWORD dwFlags=0);
	virtual unsigned long SendTo(const void* pBuf, DWORD dwBufLen, const SOCKADDR* pSockAddr, UINT nSockAddrLen, LPWSAOVERLAPPED lpOverlapped=NULL, LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionROUTINE=NULL, DWORD dwFlags=0);
	virtual unsigned long SendBigChunk(const void* pBuf, DWORD dwLen, DWORD dwFlags=0);
	virtual unsigned long RecvBigChunk(const void* pBuf, DWORD dwLen, DWORD dwFlags=0);

	virtual bool Connect( LPCTSTR lpszHostAddress, UINT nHostPort, LPWSABUF pCallerData=NULL, LPWSABUF pCalleeData=NULL, LPQOS pSQOS=NULL);
	virtual bool Connect( const SOCKADDR* lpSockAddr, UINT nSockAddrLen, LPWSABUF pCallerData=NULL, LPWSABUF pCalleeData=NULL, LPQOS pSQOS=NULL);
	
	void SetUseMsgPump(bool bUseMsgPump=true);
	bool GetPeerName(UINT& nPeerPort, LPSTR& strPeerName);
	bool GetPeerName(SOCKADDR* lpSockAddr, int* pnSockAddrLen);
	void SetConnectTimeout(DWORD nConnectTimeout);
	DWORD GetConnectTimeout();
	long GetClassID(){return m_nClassID;}

	const hostent* GetHostByName(LPCSTR strHostName, bool bBlocking=false);
	const hostent* GetHostByAddr(LPCSTR strHostAddr, int nAddressFormat=PF_INET, bool bBlocking=false);
	
	virtual void OnReceive(WPARAM hSocket,  LPARAM lError);
	virtual bool IsPermitted();
	virtual bool IsFromSockWithThread();

public:
	char	m_strUID[1+__MAX_UID_LEN__];
	char	m_strPassword[1+__MAX_PASSWORD_LEN__];

protected:
	long	m_nClassID;
	HANDLE	m_hWSAAsync;
	UINT	m_nHostPort;
	char	m_strHostEntBuffer[MAXGETHOSTSTRUCT];

private:
	virtual void OnWSAAsyncGetHostByName(WPARAM wParam, short nError, short nBufferLen);
	static void CALLBACK SocketTimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime);
	bool	PumpMessages(UINT uStopFlag);
	void	DestroyTimer();
	DWORD	m_nConnectTimeout;
	UINT	m_nTimer;
	bool	m_bNeedPumpMessages;
	
	LPWSABUF	m_pCallerData;
	LPWSABUF	m_pCalleeData; 
	LPQOS		m_pSQOS;
	friend	CAsySocketSvr;
};

class NETBASE_EXPORT CStreamHeader
{
public:
	CStreamHeader(){memset(this, 0, sizeof(CStreamHeader));}

public:
	DWORD	m_nLen;		//buffer length, not including the structure size
	HRESULT	m_nValue;	//indicating a methodid or a returned result, or others
};	

#define	CREATE_START_SOCK_CLIENT		0xA00000AA
#define	SockWarningFromSvr				0x08000000

#define	KILL_WORKER_THREAD			(-1)

#define	ENABLE_NAGLE				(-2)
#define	DISABLE_NAGLE				(-3)
#define	SET_SO_RCVBUF				(-4)
#define	SET_SO_SNDBUF				(-5)
#define	ENABLE_SO_BROADCAST			(-6)
#define	DISABLE_SO_BROADCAST		(-7)
#define	SET_SO_RCVTIMEO				(-8)
#define	SET_SO_SNDTIMEO				(-9)

#define	GET_NAGLE					(-10)
#define	GET_SO_RCVBUF				(-11)
#define	GET_SO_SNDBUF				(-12)
#define	GET_SO_BROADCAST			(-13)
#define	GET_SO_RCVTIMEO				(-14)
#define	GET_SO_SNDTIMEO				(-15)

class NETBASE_EXPORT CSockWithThreadSvr : public CAsySocketSvr
{
public:
	CSockWithThreadSvr();

public:
	void	SetKillIdleThreadTime(DWORD dwTime);
	virtual void Close(int nHow=SD_SEND);
	virtual bool Create(UINT nSocketPort, LPCTSTR lpszSocketAddress=NULL);
	virtual void OnMessage(UINT Msg, WPARAM wParam,  LPARAM lParam);
	virtual void OnJobDone(WPARAM wParam,  LPARAM lParam);
	virtual void OnSocketThreadStarting(WPARAM wParam,  LPARAM lParam);
	virtual void OnSocketThreadProcessing(WPARAM wParam,  LPARAM lParam);
	virtual void OnSocketThreadEnding(WPARAM wParam,  LPARAM lParam);

private:
	static void CALLBACK SocketSvrTimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime);

private:
	DWORD	m_dwTimerInterval;
	UINT	m_nTimer;
};

class NETBASE_EXPORT CSockThreadInfo
{
public:
	CSockThreadInfo();
	virtual ~CSockThreadInfo();

public:
	unsigned long RecvBuffer(void *pBuffer, DWORD dwBufferLen);
	void	Empty();

private:
	void	AppendBuffer(void *pBuffer, DWORD dwBufferLen);

public:			
	SLOW_FUNC		m_pSlowProcess;	
	SockMethodID	*m_pMethodIDs;
	unsigned short	m_nCountOfMethods;
	void			*m_pOtherInfo;

private:
	SOCKET			m_hSocket;
	HANDLE			m_hThreadHandle;
	DWORD			m_dwThreadID;
	DWORD			m_dwTickCount;
	DWORD			m_dwRefByWorkerThread;
	void			*m_pBuffer;
	unsigned long	m_nBufferLen; 
	friend			CSockWithThread;
	friend			CSockWithThreadSvr;
};

class NETBASE_EXPORT CSockWithThread : public CAsySocketClient
{
public:
	CSockWithThread();
	virtual ~CSockWithThread();
	
public:
	DWORD	GetTickCountJobDone();
	bool	IsJobDone(DWORD dwThreadID=0);
	bool	IsJobDone(SockMethodID nMethodID);
	unsigned short GetCountOfThreadInfos();
	DWORD	GetThreadID(unsigned short nIndex);

	virtual void Close(int nHow=SD_SEND);
	virtual unsigned long SendBigChunk(const void* pBuf, DWORD dwLen, DWORD dwFlags=0);
	virtual bool Run();
	virtual void OnSocketThreadStarting(WPARAM wParam,  LPARAM lParam);
	virtual void OnSocketThreadProcessing(WPARAM wParam,  LPARAM lParam);
	virtual void OnJobDone(WPARAM wParam,  LPARAM lParam);
	virtual void OnSocketThreadEnding(WPARAM wParam,  LPARAM lParam);
	virtual bool IsFromSockWithThread();
	virtual bool IsKillIdleThread();
	virtual bool QuickProcess(SockMethodID nMethodID)=0;
	virtual bool RetrieveHeader();

protected:
	CSockThreadInfo* GetSockThreadInfo(DWORD dwThreadID=0) const;
	CSockThreadInfo* GetSockThreadInfo(SockMethodID nMethodID) const;
	

private:
	HRESULT	EnaleNagle(BOOL bTrue);
	HRESULT	SetRcvBuf();				
	HRESULT	SetSndBuf();
	HRESULT	EnableBroadcast(BOOL bTrue);
	HRESULT	SetRcvTimeout();
	HRESULT	SetSndTimeout();
	bool Blocking();
	bool ExecuteFunc(SockMethodID nMethodID);
	bool CreateWorkerThread(SockMethodID nMethodID);
	void KillAllThreads();
	void KillWorkerThread(DWORD dwThreadID);

public:
	CAsySocketClient		*m_pClientStart;
	LPTHREAD_START_ROUTINE	m_pThreadStartFunc;

protected:
	CStreamHeader			m_StreamHeader;
	DWORD					m_nBytes;
	DWORD					m_dwRefByWorkerThread;
	DWORD					m_dwTickCount;
	CSockThreadInfo			*m_pSockThreadInfo;
	unsigned short			m_nCountOfThreadInfos;
	bool					m_bUseRcvBuf;
	
private:
	friend	CSockWithThreadSvr;
	static DWORD WINAPI DefaultThreadProc(LPVOID lpParameter);
	static void CALLBACK CleanThreadTimerProc(HWND hWnd, UINT uMsg, UINT idEvent, DWORD dwTime);
};

#define	SOCKET_SECURITY_CHECK_FALIED	(Sock_ErrorOffsetSvr + 0x01000000)

class CMultipleStart : public CAsySocketClient
{
public:
	CMultipleStart()
	{
		m_nClassID=CREATE_START_SOCK_CLIENT;
	}

protected:
	virtual bool RetrieveHeader()
	{
		BYTE	strHeader[sizeof(m_StreamHeader)+sizeof(m_strUID)+sizeof(m_strPassword)]={0};
		if(Receive(strHeader, sizeof(strHeader))< sizeof(m_StreamHeader))
		{
			m_StreamHeader.m_nLen=0;
			m_StreamHeader.m_nValue=CAsySocketClient::GetLastError()+Sock_ErrorOffsetSvr;
			SendBigChunk(&m_StreamHeader, sizeof(CStreamHeader));
			return false;
		}
		memcpy(&m_StreamHeader, strHeader, sizeof(m_StreamHeader));
		memcpy(m_strUID, strHeader+sizeof(m_StreamHeader), sizeof(m_strUID));
		memcpy(m_strPassword, strHeader+sizeof(m_StreamHeader)+sizeof(m_strUID), sizeof(m_strPassword));
		return true;
	}
protected:
	CStreamHeader		m_StreamHeader;
};

#define	SWITCH_TO_OBJECT(CMySockWithThread) {if(!IsPermitted())	\
	{ \
		m_StreamHeader.m_nValue=FILE_SECURITY_CHECK_FALIED; \
		m_StreamHeader.m_nLen=0; \
		SendBigChunk(&m_StreamHeader, sizeof(CStreamHeader)); \
		::SendMessage(g_pSocketSvr->GetWnd(), WM_SOCKET_SVR_NOTIFY, m_hSocket, FD_CLOSE); \
		return false; \
	} \
	m_StreamHeader.m_nLen=0; \
	CMySockWithThread	*pNewSockClient=new CMySockWithThread; \
	if(pNewSockClient) \
	{ \
		g_pSocketSvr->ResetSocketClient(this, pNewSockClient); \
		m_StreamHeader.m_nValue=S_OK; \
		pNewSockClient->SendBigChunk(&m_StreamHeader, sizeof(CStreamHeader)); \
		pNewSockClient->m_pClientStart=this; \
		return true; \
	} \
	m_StreamHeader.m_nValue=E_OUTOFMEMORY; \
	SendBigChunk(&m_StreamHeader, sizeof(CStreamHeader)); \
	return false;}

#include "sfiledef.h"
class NETBASE_EXPORT CFileSockClient : public CSockWithThread  
{
public:
	CFileSockClient();
	virtual ~CFileSockClient();

public:
	virtual bool Run();

protected:
	virtual void RemoveDirectory(); 
	virtual void GetCurrentDirectory();  
	virtual void CreateDirectory(); 
	virtual void FindNextFile(); 
	virtual void FindFirstFile(); 
	virtual void FindFile(); 
	virtual void MoveFile(); 
	virtual void DeleteFile(); 
	virtual void CloseFile();  
	virtual void CreateFile(); 
	virtual void FindClose(); 
	virtual void SetFileAttributes(); 
	virtual void GetDiskFreeSpaceEx();
	virtual void FlushFileBuffers();
	virtual void SetCurrentDirectory();
	virtual void SetFilePointer();
	virtual bool ReadFile();
	virtual bool WriteFile();

protected:
	virtual bool QuickProcess(long nMethodID);

private:
	void	GetFileName();

private:
	char			m_strFile[_MAX_PATH];
	BYTE			*m_pBuffer;	
	HANDLE			m_hFile;
	HANDLE			m_hFindFile;
	DWORD			m_nNumberOfBytesToRead;
	CSockThreadInfo	m_SockThreadInfo;
	SockMethodID	m_pMethodIDs[5];

private:
	static HRESULT ReadProc(SOCKET hSocket, SockMethodID nMethodID, void *pBuffer, DWORD nBufferLen, void* pSockWithThread);
	static HRESULT WriteProc(SOCKET hSocket, SockMethodID nMethodID, void *pBuffer, DWORD nBufferLen, void* pSockWithThread);
	static HRESULT FileThreadProc(SOCKET hSocket, SockMethodID nMethodID, void *pBuffer, DWORD nBufferLen, void* pSockWithThread);
	static HRESULT WriteFile(SOCKET hSocket, SockMethodID nMethodID, void *pBuffer, DWORD nBufferLen, void* pSockWithThread);
	static HRESULT ReadFile(SOCKET hSocket, SockMethodID nMethodID, void *pBuffer, DWORD nBufferLen, void* pSockWithThread);
	static HRESULT CopyFile(SOCKET hSocket, SockMethodID nMethodID, void *pBuffer, DWORD nBufferLen, void* pSockWithThread); 
};

#define	SOCKET_BROKER_CLIENT				0xB00000AA
#define	BROKER_CONNET_TO_TARGET				(0x01000000+1)
#define	BROKER_DISCONNECT_TO_TARGET			(0x01000000+2)
#define	BROKER_EXECUTE_COMMAND				(0x01000000+3)
#define	BROKER_IS_CONNECTED_TO_DESTINATION	(0x01000000+4)

class NETBASE_EXPORT CSockBroker : public CSockWithThread
{
public:
	CSockBroker();

private:
	CSockThreadInfo	m_BrokerSockThreadInfo;
	SockMethodID	m_pMethodIDs[4];

protected:
	virtual bool QuickProcess(SockMethodID nMethodID);

private:
	static DWORD WINAPI BrokerThreadProc(LPVOID lpParameter);
};

#endif 

// This is a part of the SocketPro package.
// Copyright (C) 2000-2002 UDAParts 
// All rights reserved.
//
// This source code is only intended as a supplement to the
// SocketPro Classes Reference and related
// electronic documentation provided with the package.
// See these sources for detailed information regarding this
// UDAParts product.

// Please don't disclose any source code of the software to any person or entity,
//
// Please don't decompile, disassemble, or reverse engineer any object code of 
// any portion of the software.
//  
// Copyright (c) 2002 by Yuancai (Charlie) Ye
// yekerui@yahoo.com

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Yuancai (Charlie) Ye
Web Developer
United States United States
Yuancai (Charlie) Ye, an experienced software engineer, lives in Atlanta, Georgia. He is an expert at OLEDB consumer and created a powerful data accessing libarary at the site http://www.udaparts.com. He has been working at SocketPro written from batching, asynchrony and parallel computation for more than three years. Visual C++, C# and ASP.NET are his favorite development environments.

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