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/* genericups.c - support for generic contact-closure UPS models
Copyright (C) 1999 Russell Kroll <rkroll@exploits.org>
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
*/
#include <sys/ioctl.h>
#include <sys/termios.h>
#include "main.h"
#include "genericups.h"
int upstype = -1;
void upsdrv_initinfo(void)
{
/* setup the basics */
if (getval("mfr"))
addinfo(INFO_MFR, getval("mfr"), 0, 0);
else
addinfo(INFO_MFR, upstab[upstype].mfr, 0, 0);
if (getval("model"))
addinfo(INFO_MODEL, getval("model"), 0, 0);
else
addinfo(INFO_MODEL, upstab[upstype].model, 0, 0);
addinfo(INFO_STATUS, "", 0, 0);
}
/* normal idle loop - keep up with the current state of the UPS */
void upsdrv_updateinfo(void)
{
int flags, ol, bl, ret;
char temp[VALSIZE];
ret = ioctl(upsfd, TIOCMGET, &flags);
if (ret != 0) {
upslog(LOG_INFO, "ioctl failed");
return;
}
ol = ((flags & upstab[upstype].line_ol) == upstab[upstype].val_ol);
bl = ((flags & upstab[upstype].line_bl) == upstab[upstype].val_bl);
strcpy(temp, "");
if (bl)
strcat(temp, "LB "); /* low battery */
if (ol)
strcat(temp, "OL"); /* on line */
else
strcat(temp, "OB"); /* on battery */
setinfo(INFO_STATUS, "%s", temp);
writeinfo();
}
/* show all possible UPS types */
static void listtypes(void)
{
int i;
printf("Valid UPS types:\n\n");
for (i = 0; upstab[i].mfr != NULL; i++)
printf("%i: %s\n", i, upstab[i].desc);
}
/* set the flags for this UPS type */
static void set_ups_type(void)
{
int i;
if (!getval("upstype"))
fatalx("No upstype set - see help text / man page!\n");
upstype = atoi(getval("upstype"));
for (i = 0; upstab[i].mfr != NULL; i++)
if (upstype == i) {
printf("UPS type: %s\n", upstab[i].desc);
return;
}
printf("\nFatal error: unknown UPS type number\n");
listtypes();
exit(1);
}
/* power down the attached load immediately */
void upsdrv_shutdown(void)
{
int flags, ret;
if (upstype == -1)
fatalx("No upstype set - see help text / man page!\n");
open_serial_simple(device_path, 0, upstab[upstype].line_norm);
upslogx(LOG_INFO, "Initiating UPS shutdown\n");
flags = upstab[upstype].line_sd;
if (flags == -1)
fatalx("No shutdown command defined for this model!\n");
if (flags == TIOCM_ST) {
#ifdef HAVE_TCSENDBREAK
tcsendbreak (upsfd, 4901);
#else
fatalx("Need to send a BREAK, but don't have tcsendbreak!\n");
#endif
} else {
ret = ioctl(upsfd, TIOCMSET, &flags);
if (ret != 0)
perror("ioctl");
}
}
void upsdrv_help(void)
{
listtypes();
}
void upsdrv_banner(void)
{
printf("Network UPS Tools - Generic UPS driver 0.60 (%s)\n", UPS_VERSION);
}
void upsdrv_makevartable(void)
{
addvar(VAR_VALUE, "upstype", "Set UPS type (required)");
addvar(VAR_VALUE, "mfr", "Override manufacturer name");
addvar(VAR_VALUE, "model", "Override model name");
}
void upsdrv_initups(void)
{
set_ups_type();
open_serial_simple(device_path, 0, upstab[upstype].line_norm);
}
int upsdrv_infomax(void)
{
return 8;
}
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