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/*****************************************************************************\
* $Id:$
*****************************************************************************
* Copyright (C) 2008 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Jim Garlick <garlick@llnl.gov>
* UCRL-CODE-2002-008.
*
* This file is part of PowerMan, a remote power management program.
* For details, see <http://www.llnl.gov/linux/powerman/>.
*
* PowerMan 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.
*
* PowerMan 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 PowerMan; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
\*****************************************************************************/
/* cli.c - simple client to demo the libpowerman api */
#include <stdio.h>
#include <stdlib.h>
#include "libpowerman.h"
static pm_err_t list_nodes(pm_handle_t pm);
static void usage(void);
#define statstr(s) ((s) == PM_ON ? "on" : (s) == PM_OFF ? "off" : "unknown")
int
main(int argc, char *argv[])
{
pm_err_t err = PM_ESUCCESS;
pm_node_state_t ns;
pm_handle_t pm;
char *str, ebuf[64];
char *server, *node;
char cmd;
if (argc < 3 || argc > 4)
usage();
server = argv[1];
cmd = argv[2][0];
if (argc == 3 && cmd != 'l')
usage();
if (argc == 4 && cmd != '1' && cmd != '0' && cmd != 'c' && cmd != 'q')
usage();
if (argc == 4)
node = argv[3];
if ((err = pm_connect(server, NULL, &pm, 0)) != PM_ESUCCESS) {
fprintf(stderr, "%s: %s\n", server,
pm_strerror(err, ebuf, sizeof(ebuf)));
exit(1);
}
switch (cmd) {
case '1':
err = pm_node_on(pm, node);
break;
case '0':
err = pm_node_off(pm, node);
break;
case 'c':
err = pm_node_cycle(pm, node);
break;
case 'l':
err = list_nodes(pm);
break;
case 'q':
ns = PM_UNKNOWN;
if ((err = pm_node_status(pm, node, &ns)) == PM_ESUCCESS)
printf("%s: %s\n", node, statstr(ns));
break;
}
if (err != PM_ESUCCESS) {
fprintf(stderr, "Error: %s\n", pm_strerror(err, ebuf, sizeof(ebuf)));
pm_disconnect(pm);
exit(1);
}
pm_disconnect(pm);
exit(0);
}
static pm_err_t
list_nodes(pm_handle_t pm)
{
pm_node_iterator_t pmi;
pm_err_t err;
char *s;
if ((err = pm_node_iterator_create(pm, &pmi)) != PM_ESUCCESS)
return err;
while ((s = pm_node_next(pmi)))
printf("%s\n", s);
pm_node_iterator_destroy(pmi);
return err;
}
static void
usage(void)
{
fprintf(stderr, "Usage: cli host:port 0|1|q node\n");
fprintf(stderr, " cli host:port l\n");
exit(1);
}
/*
* vi:tabstop=4 shiftwidth=4 expandtab
*/
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