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/*
* network.h -- Provide common network functions for NFS mount/umount
*
* Copyright (C) 2007 Oracle. All rights reserved.
* Copyright (C) 2007 Chuck Lever <chuck.lever@oracle.com>
*
* 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; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 0211-1301 USA
*
*/
#ifndef _NFS_UTILS_MOUNT_NETWORK_H
#define _NFS_UTILS_MOUNT_NETWORK_H
#include <rpc/pmap_prot.h>
#define MNT_SENDBUFSIZE (2048U)
#define MNT_RECVBUFSIZE (1024U)
typedef struct {
char **hostname;
struct sockaddr_in saddr;
struct pmap pmap;
} clnt_addr_t;
/* RPC call timeout values */
static const struct timeval TIMEOUT = { 20, 0 };
static const struct timeval RETRY_TIMEOUT = { 3, 0 };
int probe_bothports(clnt_addr_t *, clnt_addr_t *);
int nfs_probe_bothports(const struct sockaddr *, const socklen_t,
struct pmap *, const struct sockaddr *,
const socklen_t, struct pmap *, int);
int nfs_gethostbyname(const char *, struct sockaddr_in *);
int nfs_lookup(const char *hostname, const sa_family_t family,
struct sockaddr *sap, socklen_t *salen);
int nfs_string_to_sockaddr(const char *, struct sockaddr *, socklen_t *);
int nfs_present_sockaddr(const struct sockaddr *,
const socklen_t, char *, const size_t);
int nfs_callback_address(const struct sockaddr *, const socklen_t,
struct sockaddr *, socklen_t *);
int clnt_ping(struct sockaddr_in *, const unsigned long,
const unsigned long, const unsigned int,
struct sockaddr_in *);
int nfs_is_inaddr_any(struct sockaddr *);
int nfs_addr_matches_localips(struct sockaddr *);
struct mount_options;
enum {
V_DEFAULT = 0,
V_GENERAL,
V_SPECIFIC,
V_PARSE_ERR,
};
struct nfs_version {
unsigned long major;
unsigned long minor;
int v_mode;
};
int nfs_nfs_proto_family(struct mount_options *options, sa_family_t *family);
int nfs_mount_proto_family(struct mount_options *options, sa_family_t *family);
int nfs_nfs_version(char *type, struct mount_options *options, struct nfs_version *version);
int nfs_nfs_protocol(struct mount_options *options, unsigned long *protocol);
int nfs_options2pmap(struct mount_options *,
struct pmap *, struct pmap *);
int start_statd(void);
unsigned long nfsvers_to_mnt(const unsigned long);
int nfs_call_umount(clnt_addr_t *, dirpath *);
int nfs_advise_umount(const struct sockaddr *, const socklen_t,
const struct pmap *, const dirpath *);
CLIENT *mnt_openclnt(clnt_addr_t *, int *);
void mnt_closeclnt(CLIENT *, int);
int nfs_umount_do_umnt(struct mount_options *options,
char **hostname, char **dirname);
extern const char *nfs_transport_opttbl[];
#endif /* _NFS_UTILS_MOUNT_NETWORK_H */
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