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/*
* xdr.c
*
* Copyright (c) 2003 Marius Aamodt Eriksen <marius@monkey.org>
* All rights reserved.
*
* $Id: xdr.c,v 1.3 2003/06/01 18:39:12 marius Exp $
*/
#include <rpc/rpc.h>
#include "message.h"
#define X(x) do { \
if (!x) \
return (FALSE); \
} while (0)
#if 0
#define X(x) do { \
if (!x) { \
warnx("XDRERR: " #x); \
return (FALSE); \
} else { \
warnx("XDROK: " #x); \
} \
} while (0)
#endif
static int
xdr_msg_conf(XDR *xdrs, struct msg_conf *conf)
{
X(xdr_u_int(xdrs, (u_int *)&conf->lim[0]));
X(xdr_u_int(xdrs, (u_int *)&conf->lim[1]));
X(xdr_int(xdrs, (int *)&conf->pid));
X(xdr_opaque(xdrs, conf->argv0, sizeof(conf->argv0)));
X(xdr_u_int(xdrs, (u_int *)&conf->uid));
X(xdr_u_int(xdrs, (u_int *)&conf->gid));
return (TRUE);
}
static int
xdr_msg_delay(XDR *xdrs, struct msg_delay *delay)
{
X(xdr_int(xdrs, (int *)&delay->len));
X(xdr_short(xdrs, &delay->dir));
return (TRUE);
}
static int
xdr_msg_update(XDR *xdrs, struct msg_update *update)
{
X(xdr_u_int(xdrs, (u_int *)&update->len));
X(xdr_short(xdrs, &update->dir));
return (TRUE);
}
static int
xdr_msg_delayinfo(XDR *xdrs, struct msg_delayinfo *delayinfo)
{
#if _TIME_BITS == 64
X(xdr_int64_t(xdrs, &delayinfo->delaytv.tv_sec));
X(xdr_int64_t(xdrs, &delayinfo->delaytv.tv_usec));
#else
X(xdr_long(xdrs, &delayinfo->delaytv.tv_sec));
X(xdr_long(xdrs, &delayinfo->delaytv.tv_usec));
#endif
X(xdr_int(xdrs, (int *)&delayinfo->len));
return (TRUE);
}
static int
xdr_msg_getinfo(XDR *xdrs, struct msg_getinfo *getinfo)
{
X(xdr_u_int(xdrs, (u_int *)&getinfo->dirinfo[0].lim));
X(xdr_u_int(xdrs, (u_int *)&getinfo->dirinfo[0].rate));
X(xdr_u_int(xdrs, (u_int *)&getinfo->dirinfo[1].lim));
X(xdr_u_int(xdrs, (u_int *)&getinfo->dirinfo[1].rate));
return (TRUE);
}
static struct xdr_discrim xdr_msg_discrim[] = {
/* { MSG_TYPE_NEW, NULL }, */
{ MSG_TYPE_CONF, (xdrproc_t)xdr_msg_conf },
{ MSG_TYPE_UPDATE, (xdrproc_t)xdr_msg_update },
{ MSG_TYPE_CONT, (xdrproc_t)xdr_msg_delayinfo },
{ MSG_TYPE_DELAY, (xdrproc_t)xdr_msg_delay },
{ MSG_TYPE_GETDELAY, (xdrproc_t)xdr_msg_delay },
{ MSG_TYPE_DELAYINFO, (xdrproc_t)xdr_msg_delayinfo },
/* { MSG_TYPE_SPECTATOR, NULL }, */
{ MSG_TYPE_GETINFO, (xdrproc_t)xdr_msg_getinfo },
{ __dontcare__, NULL }
};
static bool_t
_xdr_void(void)
{
return (TRUE);
}
static int
xdr_msg(XDR *xdrs, struct msg *msg)
{
X(xdr_short(xdrs, &msg->status));
X(xdr_union(xdrs, (int *)&msg->type, (char *)&msg->data,
xdr_msg_discrim, (xdrproc_t)_xdr_void));
return (TRUE);
}
int
msg2xdr(struct msg *msg, u_char *buf, uint32_t *buflen)
{
XDR xdrs;
xdrmem_create(&xdrs, buf, *buflen, XDR_ENCODE);
if (!xdr_msg(&xdrs, msg)) {
xdr_destroy(&xdrs);
return (-1);
}
*buflen = xdr_getpos(&xdrs);
xdr_destroy(&xdrs);
return (0);
}
int
xdr2msg(struct msg *msg, u_char *buf, uint32_t buflen)
{
XDR xdrs;
int ret = 0;
xdrmem_create(&xdrs, buf, buflen, XDR_DECODE);
if (!xdr_msg(&xdrs, msg))
ret = -1;
xdr_destroy(&xdrs);
return (ret);
}
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