/* ----------------------------------------------------------------------- *

 *   

 *  rpc_subs.h - header file for rpc discovery

 *

 *   Copyright 2004 Jeff Moyer <jmoyer@redaht.com> - All Rights Reserved

 *   Copyright 2004-2006 Ian Kent <raven@themaw.net> - All Rights Reserved

 *

 *   This program is free software; you can redistribute it and/or modify

 *   it under the terms of the GNU General Public License as published by

 *   the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139,

 *   USA; either version 2 of the License, or (at your option) any later

 *   version; incorporated herein by reference.

 *

 * ----------------------------------------------------------------------- */

#ifndef _RPC_SUBS_H

#define _RPC_SUBS_H

#include <rpc/rpc.h>

#include <rpc/types.h>

#include <rpc/pmap_prot.h>

#include <nfs/nfs.h>

#include <linux/nfs2.h>

#include <linux/nfs3.h>

#define NFS4_VERSION		4

/* rpc helper subs */

#define RPC_PING_FAIL		0x0000

#define RPC_PING_V2		NFS2_VERSION

#define RPC_PING_V3		NFS3_VERSION

#define RPC_PING_V4		NFS4_VERSION

#define RPC_PING_UDP		0x0100

#define RPC_PING_TCP		0x0200

/*

 * Close options to allow some choice in how and where the TIMED_WAIT

 *  happens.

 */

#define RPC_CLOSE_DEFAULT	0x0000

#define RPC_CLOSE_ACTIVE	RPC_CLOSE_DEFAULT

#define RPC_CLOSE_NOLINGER	0x0001

#define PMAP_TOUT_UDP	3

#define PMAP_TOUT_TCP	5

#define RPC_TOUT_UDP	PMAP_TOUT_UDP

#define RPC_TOUT_TCP	PMAP_TOUT_TCP

#define HOST_ENT_BUF_SIZE       2048

struct hostinfo {

	char *name;

	struct hostinfo *next;

};

struct exportinfo {

	char *dir;

	struct hostinfo *hosts;

	struct exportinfo *next;

};

struct conn_info {

	const char *host;

	struct sockaddr *addr;

	size_t addr_len;

	unsigned short port;

	unsigned long program;

	unsigned long version;

	int proto;

	unsigned int send_sz;

	unsigned int recv_sz;

	struct timeval timeout;

	unsigned int close_option;

	CLIENT *client;

};

int rpc_udp_getclient(struct conn_info *, unsigned int, unsigned int);

void rpc_destroy_udp_client(struct conn_info *);

int rpc_tcp_getclient(struct conn_info *, unsigned int, unsigned int);

void rpc_destroy_tcp_client(struct conn_info *);

int rpc_portmap_getclient(struct conn_info *, const char *, struct sockaddr *, size_t, int, unsigned int);

int rpc_portmap_getport(struct conn_info *, struct pmap *, unsigned short *);

int rpc_ping_proto(struct conn_info *);

int rpc_ping(const char *, int, unsigned int, long, long, unsigned int);

double monotonic_elapsed(struct timespec, struct timespec);

struct exportinfo *rpc_get_exports(const char *host, long seconds, long micros, unsigned int option);

void rpc_exports_free(struct exportinfo *exports);

const char *get_addr_string(struct sockaddr *, char *, socklen_t);

#endif