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/*
Copyright (c) 2010 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS 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
Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef _XDR_COMMON_H_
#define _XDR_COMMON_H_
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <rpc/types.h>
#include <sys/types.h>
#include <rpc/xdr.h>
#include <sys/uio.h>
#ifdef __NetBSD__
#include <dirent.h>
#endif /* __NetBSD__ */
enum gf_dump_procnum {
GF_DUMP_NULL,
GF_DUMP_DUMP,
GF_DUMP_MAXVALUE,
};
#define GLUSTER_DUMP_PROGRAM 123451501 /* Completely random */
#define GLUSTER_DUMP_VERSION 1
#if GF_DARWIN_HOST_OS
#define xdr_u_quad_t xdr_u_int64_t
#define xdr_quad_t xdr_int64_t
#define xdr_uint32_t xdr_u_int32_t
#define uint64_t u_int64_t
#endif
#if defined(__NetBSD__)
#define xdr_u_quad_t xdr_u_int64_t
#define xdr_quad_t xdr_int64_t
#define xdr_uint32_t xdr_u_int32_t
#endif
#if GF_SOLARIS_HOST_OS
#define u_quad_t uint64_t
#define quad_t int64_t
#define xdr_u_quad_t xdr_uint64_t
#define xdr_quad_t xdr_int64_t
#define xdr_uint32_t xdr_uint32_t
#endif
struct auth_glusterfs_parms {
uint64_t lk_owner;
u_int pid;
u_int uid;
u_int gid;
u_int ngrps;
u_int groups[16];
} __attribute__((packed));
typedef struct auth_glusterfs_parms auth_glusterfs_parms;
struct gf_dump_req {
uint64_t gfs_id;
} __attribute__((packed));
typedef struct gf_dump_req gf_dump_req;
struct gf_prog_detail {
char *progname;
uint64_t prognum;
uint64_t progver;
struct gf_prog_detail *next;
} __attribute__((packed));
typedef struct gf_prog_detail gf_prog_detail;
struct gf_dump_rsp {
uint64_t gfs_id;
int op_ret;
int op_errno;
struct gf_prog_detail *prog;
}__attribute__((packed));
typedef struct gf_dump_rsp gf_dump_rsp;
extern bool_t
xdr_auth_glusterfs_parms (XDR *xdrs, auth_glusterfs_parms *objp);
extern bool_t xdr_gf_dump_req (XDR *, gf_dump_req*);
extern bool_t xdr_gf_prog_detail (XDR *, gf_prog_detail*);
extern bool_t xdr_gf_dump_rsp (XDR *, gf_dump_rsp*);
ssize_t
xdr_serialize_dump_rsp (struct iovec outmsg, void *rsp);
ssize_t
xdr_to_dump_req (struct iovec inmsg, void *args);
ssize_t
xdr_from_dump_req (struct iovec outmsg, void *rsp);
ssize_t
xdr_to_dump_rsp (struct iovec inmsg, void *args);
#define XDR_BYTES_PER_UNIT 4
/* Returns the address of the byte that follows the
* last byte used for decoding the previous xdr component.
* For eg, once the RPC call for NFS has been decoded, thie macro will return
* the address from which the NFS header starts.
*/
#define xdr_decoded_remaining_addr(xdr) ((&xdr)->x_private)
/* Returns the length of the remaining record after the previous decode
* operation completed.
*/
#define xdr_decoded_remaining_len(xdr) ((&xdr)->x_handy)
/* Returns the number of bytes used by the last encode operation. */
#define xdr_encoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base))
#define xdr_decoded_length(xdr) (((size_t)(&xdr)->x_private) - ((size_t)(&xdr)->x_base))
#endif
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