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Usenet 1994 October
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usenetsourcesnewsgroupsinfomagicoctober1994disk2.iso
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unix
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volume21
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amd
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part05
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amq_subr.c
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C/C++ Source or Header
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1990-04-10
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7KB
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358 lines
/*
* $Id: amq_subr.c,v 5.1.1.1 90/01/11 17:03:40 jsp Exp Locker: jsp $
*
* Copyright (c) 1990 Jan-Simon Pendry
* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by Imperial College of Science, Technology and Medicine, London, UK.
* The names of the College and University may not be used to endorse
* or promote products derived from this software without specific
* prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* %W% (Berkeley) %G%
*/
/*
* Auxilliary routines for amq tool
*/
#include "am.h"
#include "amq.h"
#include <sys/param.h>
/*ARGSUSED*/
voidp
amqproc_null_1(argp, rqstp)
voidp argp;
struct svc_req *rqstp;
{
static char res;
return (voidp) &res;
}
/*
* Return a sub-tree of mounts
*/
/*ARGSUSED*/
amq_mount_tree_p *
amqproc_mnttree_1(argp, rqstp)
voidp argp;
struct svc_req *rqstp;
{
static am_node *mp;
mp = find_ap(*(char **) argp);
return (amq_mount_tree_p *) ∓
}
/*
* Unmount a single node
*/
/*ARGSUSED*/
voidp
amqproc_umnt_1(argp, rqstp)
voidp argp;
struct svc_req *rqstp;
{
static char res;
am_node *mp = find_ap(*(char **) argp);
if (mp)
forcibly_timeout_mp(mp);
return (voidp) &res;
}
/*
* Return global statistics
*/
/*ARGSUSED*/
amq_mount_stats *
amqproc_stats_1(argp, rqstp)
voidp argp;
struct svc_req *rqstp;
{
return (amq_mount_stats *) &amd_stats;
}
/*
* Return the entire tree of mount nodes
*/
/*ARGSUSED*/
amq_mount_tree_list *
amqproc_export_1(argp, rqstp)
voidp argp;
struct svc_req *rqstp;
{
static amq_mount_tree_list aml;
#ifdef oldcode
static am_node **mvec;
int i;
int n = 0;
mvec = (struct am_node **)
xrealloc(mvec, (1+last_used_map) * sizeof(am_node *));
for (i = last_used_map; i >= 0; --i) {
am_node *mp = exported_ap[i];
if (mp && (mp->am_flags & AMF_ROOT))
mvec[n++] = mp;
}
aml.amq_mount_tree_list_val = (amq_mount_tree_p *) mvec;
aml.amq_mount_tree_list_len = n;
#else
aml.amq_mount_tree_list_val = (amq_mount_tree_p *) &exported_ap[0];
aml.amq_mount_tree_list_len = 1; /* XXX */
#endif
return &aml;
}
int *
amqproc_setopt_1(argp, rqstp)
voidp argp;
struct svc_req *rqstp;
{
static int rc;
amq_setopt *opt = (amq_setopt *) argp;
rc = 0;
switch (opt->as_opt) {
case AMOPT_DEBUG:
#ifdef DEBUG
if (debug_option(opt->as_str))
rc = EINVAL;
#else
rc = EINVAL;
#endif
break;
case AMOPT_LOGFILE:
#ifdef not_yet
if (switch_to_logfile(opt->as_str))
rc = EINVAL;
#else
rc = EACCES;
#endif
break;
case AMOPT_XLOG:
if (switch_option(opt->as_str))
rc = EINVAL;
break;
case AMOPT_FLUSHMAPC:
if (amd_state == Run) {
plog(XLOG_INFO, "amq says flush cache");
do_mapc_reload = 0;
}
break;
}
return &rc;
}
amq_mount_info_list *
amqproc_getmntfs_1(argp, rqstp)
voidp argp;
struct svc_req *rqstp;
{
extern qelem mfhead;
return (amq_mount_info_list *) &mfhead; /* XXX */
}
/*
* XDR routines.
*/
bool_t
xdr_amq_string(xdrs, objp)
XDR *xdrs;
amq_string *objp;
{
if (!xdr_string(xdrs, objp, AMQ_STRLEN)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_amq_setopt(xdrs, objp)
XDR *xdrs;
amq_setopt *objp;
{
if (!xdr_enum(xdrs, (enum_t *)&objp->as_opt)) {
return (FALSE);
}
if (!xdr_string(xdrs, &objp->as_str, AMQ_STRLEN)) {
return (FALSE);
}
return (TRUE);
}
/*
* More XDR routines - Should be used for OUTPUT ONLY.
*/
bool_t
xdr_amq_mount_tree(xdrs, objp)
XDR *xdrs;
amq_mount_tree *objp;
{
am_node *mp = (am_node *) objp;
if (!xdr_amq_string(xdrs, &mp->am_mnt->mf_info)) {
return (FALSE);
}
if (!xdr_amq_string(xdrs, &mp->am_path)) {
return (FALSE);
}
if (!xdr_amq_string(xdrs, mp->am_link ? &mp->am_link : &mp->am_mnt->mf_mount)) {
return (FALSE);
}
if (!xdr_amq_string(xdrs, &mp->am_mnt->mf_ops->fs_type)) {
return (FALSE);
}
if (!xdr_long(xdrs, &mp->am_stats.s_mtime)) {
return (FALSE);
}
if (!xdr_u_short(xdrs, &mp->am_stats.s_uid)) {
return (FALSE);
}
if (!xdr_int(xdrs, &mp->am_stats.s_getattr)) {
return (FALSE);
}
if (!xdr_int(xdrs, &mp->am_stats.s_lookup)) {
return (FALSE);
}
if (!xdr_int(xdrs, &mp->am_stats.s_readdir)) {
return (FALSE);
}
if (!xdr_int(xdrs, &mp->am_stats.s_readlink)) {
return (FALSE);
}
if (!xdr_int(xdrs, &mp->am_stats.s_statfs)) {
return (FALSE);
}
if (!xdr_pointer(xdrs, (char **)&mp->am_osib, sizeof(amq_mount_tree), xdr_amq_mount_tree)) {
return (FALSE);
}
if (!xdr_pointer(xdrs, (char **)&mp->am_child, sizeof(amq_mount_tree), xdr_amq_mount_tree)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_amq_mount_tree_p(xdrs, objp)
XDR *xdrs;
amq_mount_tree_p *objp;
{
if (!xdr_pointer(xdrs, (char **)objp, sizeof(amq_mount_tree), xdr_amq_mount_tree)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_amq_mount_stats(xdrs, objp)
XDR *xdrs;
amq_mount_stats *objp;
{
if (!xdr_int(xdrs, &objp->as_drops)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->as_stale)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->as_mok)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->as_merr)) {
return (FALSE);
}
if (!xdr_int(xdrs, &objp->as_uerr)) {
return (FALSE);
}
return (TRUE);
}
bool_t
xdr_amq_mount_tree_list(xdrs, objp)
XDR *xdrs;
amq_mount_tree_list *objp;
{
if (!xdr_array(xdrs, (char **)&objp->amq_mount_tree_list_val, (u_int *)&objp->amq_mount_tree_list_len, ~0, sizeof(amq_mount_tree_p), xdr_amq_mount_tree_p)) {
return (FALSE);
}
return (TRUE);
}
xdr_amq_mount_info_qelem(xdrs, qhead)
XDR *xdrs;
qelem *qhead;
{
/*
* Compute length of list
*/
mntfs *mf;
u_int len = 0;
for (mf = LAST(mntfs, qhead); mf != HEAD(mntfs, qhead); mf = PREV(mntfs, mf)) {
if (!(mf->mf_ops->fs_flags & FS_AMQINFO))
continue;
len++;
}
xdr_u_int(xdrs, &len);
/*
* Send individual data items
*/
for (mf = LAST(mntfs, qhead); mf != HEAD(mntfs, qhead); mf = PREV(mntfs, mf)) {
int up;
if (!(mf->mf_ops->fs_flags & FS_AMQINFO))
continue;
if (!xdr_amq_string(xdrs, &mf->mf_ops->fs_type)) {
return (FALSE);
}
if (!xdr_amq_string(xdrs, &mf->mf_mount)) {
return (FALSE);
}
if (!xdr_amq_string(xdrs, &mf->mf_info)) {
return (FALSE);
}
if (!xdr_amq_string(xdrs, &mf->mf_server->fs_host)) {
return (FALSE);
}
if (!xdr_int(xdrs, &mf->mf_error)) {
return (FALSE);
}
if (!xdr_int(xdrs, &mf->mf_refc)) {
return (FALSE);
}
if (mf->mf_server->fs_flags & FSF_ERROR)
up = 0;
else switch (mf->mf_server->fs_flags & (FSF_DOWN|FSF_VALID)) {
case FSF_DOWN|FSF_VALID: up = 0; break;
case FSF_VALID: up = 1; break;
default: up = -1; break;
}
if (!xdr_int(xdrs, &up)) {
return (FALSE);
}
}
return (TRUE);
}