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/* status.c
Routines to get and set the status for a system.
Copyright (C) 1991, 1992, 1993, 1995 Ian Lance Taylor
This file is part of the Taylor UUCP package.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The author of the program may be contacted at ian@airs.com or
c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
*/
#include "uucp.h"
#include "uudefs.h"
#include "uuconf.h"
#include "sysdep.h"
#include "system.h"
#include <errno.h>
#include <ctype.h>
#if SPOOLDIR_HDB || SPOOLDIR_SVR4
/* If we are using HDB spool layout, store status using HDB status
values. SVR4 is a variant of HDB. */
#define MAP_STATUS 1
static const int aiMapstatus[] =
{
0, 13, 7, 6, 20, 4, 3, 2
};
#define CMAPENTRIES (sizeof (aiMapstatus) / sizeof (aiMapstatus[0]))
#else /* ! SPOOLDIR_HDB && ! SPOOLDIR_SVR4 */
#define MAP_STATUS 0
#endif /* ! SPOOLDIR_HDB && ! SPOOLDIR_SVR4 */
/* Get the status of a system. This assumes that we are in the spool
directory. */
boolean
fsysdep_get_status (qsys, qret, pfnone)
const struct uuconf_system *qsys;
struct sstatus *qret;
boolean *pfnone;
{
char *zname;
FILE *e;
char *zline;
char *zend, *znext;
boolean fbad;
int istat;
if (pfnone != NULL)
*pfnone = FALSE;
zname = zsysdep_in_dir (".Status", qsys->uuconf_zname);
e = fopen (zname, "r");
if (e == NULL)
{
if (errno != ENOENT)
{
ulog (LOG_ERROR, "fopen (%s): %s", zname, strerror (errno));
ubuffree (zname);
return FALSE;
}
zline = NULL;
}
else
{
size_t cline;
zline = NULL;
cline = 0;
if (getline (&zline, &cline, e) <= 0)
{
xfree ((pointer) zline);
zline = NULL;
}
(void) fclose (e);
}
if (zline == NULL)
{
/* There is either no status file for this system, or it's been
truncated, so fake a good status. */
qret->ttype = STATUS_COMPLETE;
qret->cretries = 0;
qret->ilast = 0;
qret->cwait = 0;
qret->zstring = NULL;
if (pfnone != NULL)
*pfnone = TRUE;
ubuffree (zname);
return TRUE;
}
/* It turns out that scanf is not used much in this program, so for
the benefit of small computers we avoid linking it in. This is
basically
sscanf (zline, "%d %d %ld %d", &qret->ttype, &qret->cretries,
&qret->ilast, &qret->cwait);
except that it's done with strtol. */
fbad = FALSE;
istat = (int) strtol (zline, &zend, 10);
if (zend == zline)
fbad = TRUE;
#if MAP_STATUS
/* On some systems it may be appropriate to map system dependent status
values on to our status values. */
{
int i;
for (i = 0; i < CMAPENTRIES; ++i)
{
if (aiMapstatus[i] == istat)
{
istat = i;
break;
}
}
}
#endif /* MAP_STATUS */
if (istat < 0 || istat >= (int) STATUS_VALUES)
istat = (int) STATUS_COMPLETE;
qret->ttype = (enum tstatus_type) istat;
znext = zend;
qret->cretries = (int) strtol (znext, &zend, 10);
if (zend == znext)
fbad = TRUE;
znext = zend;
qret->ilast = strtol (znext, &zend, 10);
if (zend == znext)
fbad = TRUE;
znext = zend;
qret->cwait = (int) strtol (znext, &zend, 10);
if (zend == znext)
fbad = TRUE;
if (! fbad)
{
znext = zend;
while (isspace (BUCHAR (*znext)))
++znext;
if (*znext == '\0')
qret->zstring = NULL;
else
{
if (*znext == '"')
++znext;
qret->zstring = zbufcpy (znext);
zend = qret->zstring + strlen (qret->zstring);
while (zend != qret->zstring && *zend != ' ')
--zend;
if (*zend == '"' && zend != qret->zstring)
--zend;
if (zend != qret->zstring)
*zend = '\0';
else
{
ubuffree (qret->zstring);
qret->zstring = NULL;
}
}
}
xfree ((pointer) zline);
if (fbad)
{
ulog (LOG_ERROR, "%s: Bad status file format", zname);
ubuffree (zname);
return FALSE;
}
ubuffree (zname);
return TRUE;
}
/* Set the status of a remote system. This assumes the system is
locked when this is called, and that the program is in the spool
directory. */
boolean
fsysdep_set_status (qsys, qset)
const struct uuconf_system *qsys;
const struct sstatus *qset;
{
char *zname;
FILE *e;
int istat;
zname = zsysdep_in_dir (".Status", qsys->uuconf_zname);
e = esysdep_fopen (zname, TRUE, FALSE, TRUE);
ubuffree (zname);
if (e == NULL)
return FALSE;
istat = (int) qset->ttype;
#if MAP_STATUS
/* On some systems it may be appropriate to map istat onto a system
dependent number. */
if (istat >= 0 && istat < CMAPENTRIES)
istat = aiMapstatus[istat];
#endif /* MAP_STATUS */
fprintf (e, "%d %d %ld %d ", istat, qset->cretries, qset->ilast,
qset->cwait);
#if SPOOLDIR_SVR4
fprintf (e, "\"%s\"", azStatus[(int) qset->ttype]);
#else
fprintf (e, "%s", azStatus[(int) qset->ttype]);
#endif
fprintf (e, " %s\n", qsys->uuconf_zname);
if (fclose (e) != 0)
{
ulog (LOG_ERROR, "fclose: %s", strerror (errno));
return FALSE;
}
return TRUE;
}
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