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

#ifndef	__HOST_DNS_RESOLVER_H___
#define __HOST_DNS_RESOLVER_H___

#include "AsySocket.h"

#define HOST_DNS_SVS_SOCKET		0xA00100DD

#define	HOST_DNS_SVS_METHOD_ID_GETDNSNAME_BYNAME	1
#define	HOST_DNS_SVS_METHOD_ID_GETDNSNAME_BYADDR	2
#define	HOST_DNS_SVS_METHOD_ID_GET_COUNT_CLIENTS	3
#define	HOST_DNS_SVS_METHOD_ID_GET_CLIENTS			4

class CHostDnsSvs : public CSockWithThread  
{
public:
	CHostDnsSvs();

private:
	//Three lengthy actions invloved
	SockMethodID		m_pMethodIDs[3];	
	CSockThreadInfo		m_pHostThreadInfo[2];

protected:
	//for processing the request HOST_DNS_SVS_METHOD_ID_GET_CLIENTS 
	//using the main thread/message queue if not many clients are available
	virtual bool GetClients();

	//for processing the request HOST_DNS_SVS_METHOD_ID_GET_COUNT_CLIENTS
	virtual bool GetCountClients();

	//must be overwrite
	virtual bool QuickProcess(SockMethodID nMethodID);

private:
	//used by two threads/message queues for processing lengthy actions
	static HRESULT GetHostByNameProc(SOCKET hSocket, SockMethodID nMethodID, void *pBuffer, DWORD nBufferLen, void* pSockWithThread);
	static HRESULT GetHostByIPAddrProc(SOCKET hSocket, SockMethodID nMethodID, void *pBuffer, DWORD nBufferLen, void* pSockWithThread);
};

#endif