ndmp_common.h

网络数据管理协议的开发

/*                               -*- Mode: C -*- 
 * ndmp_common.h
 * 
 * Description     : NDMP client/server common stuff.
 * 
 * Copyright (c) 1996,1997 PDC, Network Appliance. All Rights Reserved.
 *
 * $Id: ndmp_common.h,v 1.7 1998/05/26 03:52:13 tim Exp $
 */

#ifndef _ndmp_common_h
#define _ndmp_common_h

#if !defined(lint) && !defined(SABER)
static char ndmp_common_rcsId[] __attribute__ ((unused)) = "@(#) $Id: ndmp_common.h,v 1.7 1998/05/26 03:52:13 tim Exp $";
#endif

#include "log.h"
#include "ndmp.h"

#define NDMP_SDK_VERSION	"3.2"

#define XDR_AND_SIZE(func) (bool_t(*)(XDR*, ...))xdr_##func##,sizeof(func)
#define AUTH_REQUIRED		TRUE
#define AUTH_NOT_REQUIRED	FALSE

typedef void*	NdmpConnection;

typedef void NdmpConHandlerFunc(NdmpConnection);
	
typedef void NdmpMsgHandlerFunc(NdmpConnection	connection,
								void*			request);

typedef struct NdmpMsgHandler
{
	ndmp_message		message;
	u_short				version;
	NdmpMsgHandlerFunc*	func;
	bool_t				auth_required;
	bool_t				(*xdr_request)(XDR* xdrs, ...);
	int					sizeof_request;
	bool_t				(*xdr_reply)(XDR* xdrs, ...);
	int					sizeof_reply;
} NdmpMsgHandler;

NdmpConnection
ndmpCreateConnection(NdmpMsgHandler*	msgHandlerTbl);

void
ndmpDestroyConnection(NdmpConnection	connection);

void
ndmpClose(NdmpConnection	connectionHandle);

int
ndmpConnect(NdmpConnection	connectionHandle,
			char*			host,
			u_long			port);

int
ndmpPoll(NdmpConnection	connectionHandle,
		 bool_t			block);

void
ndmpRun(u_long				port,
		bool_t				dofork,
		NdmpMsgHandler*		msgHandlerTbl,
		NdmpConHandlerFunc*	conHandlerFunc);

int
ndmpProcessRequests(NdmpConnection	connectionHandle);

int
ndmpSendReply(NdmpConnection	connectionHandle,
			  ndmp_error		err,
			  void*				data);

int
ndmpSendRequest(NdmpConnection	connectionHandle,
				ndmp_message	message,
				ndmp_error		err,
				void*			request_data,
				void**			reply_data);

void
ndmpFreeMessage(NdmpConnection	connectionHandle);

int
ndmpGetFd(NdmpConnection	connectionHandle);

void
ndmpSetClientData(NdmpConnection	connectionHandle,
				  void				*client_data);

void*
ndmpGetClientData(NdmpConnection	connectionHandle);

void
ndmpSetVersion(NdmpConnection	connectionHandle,
			   u_short			version);

u_short
ndmpGetVersion(NdmpConnection	connectionHandle);

void
ndmpSetAuthorized(NdmpConnection	connectionHandle,
				  bool_t			authorized);

u_longlong_t
quadToLongLong(ndmp_u_quad	quad);

ndmp_u_quad
longLongToQuad(u_longlong_t	ull);

void
ndmpCreateMD5Digest(char*	digest,
					char*	password,
					char*	challenge);

#endif /* _ndmp_common_h */