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/*****************************************************************************\
* $Id: ipmidetect.c,v 1.17 2010-02-08 22:02:30 chu11 Exp $
*****************************************************************************
* Copyright (C) 2007-2014 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Albert Chu <chu11@llnl.gov>
* UCRL-CODE-228523
*
* This file is part of Ipmidetect, tools and libraries for detecting
* IPMI nodes in a cluster. For details, see http://www.llnl.gov/linux/.
*
* Ipmidetect 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 3 of the License, or (at your
* option) any later version.
*
* Ipmidetect 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 Ipmidetect. If not, see <http://www.gnu.org/licenses/>.
\*****************************************************************************/
#if HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#include <stdio.h>
#include <stdlib.h>
#if STDC_HEADERS
#include <string.h>
#include <stdarg.h>
#endif /* STDC_HEADERS */
#if HAVE_GETOPT_H
#include <getopt.h>
#endif /* HAVE_GETOPT_H */
#include <dirent.h>
#if TIME_WITH_SYS_TIME
#include <sys/time.h>
#include <time.h>
#else /* !TIME_WITH_SYS_TIME */
#if HAVE_SYS_TIME_H
#include <sys/time.h>
#else /* !HAVE_SYS_TIME_H */
#include <time.h>
#endif /* !HAVE_SYS_TIME_H */
#endif /* !TIME_WITH_SYS_TIME */
#include <sys/types.h>
#include <sys/stat.h>
#if HAVE_FCNTL_H
#include <fcntl.h>
#endif /* HAVE_FCNTL_H */
#include <assert.h>
#include <errno.h>
#include <ipmidetect.h> /* library ipmidetect.h */
#include "ipmidetect_.h" /* tool ipmidetect.h */
#include "ipmidetect-argp.h"
#include "freeipmi-portability.h"
#include "error.h"
#include "fd.h"
#include "hostlist.h"
/*
* Definitions
*/
#define IPMIDETECT_BUFFERLEN 65536
#define IPMIDETECT_FORMATLEN 64
#define IPMIDETECT_OPTIONS_LEN 64
#define IPMIDETECT_LONG_OPTIONS_LEN 32
#define IPMIDETECT_MAXPATHLEN 256
/*
* Ipmidetect output data
*/
static char detected_nodes[IPMIDETECT_BUFFERLEN];
static char undetected_nodes[IPMIDETECT_BUFFERLEN];
static char detectedfmt[IPMIDETECT_FORMATLEN];
static char undetectedfmt[IPMIDETECT_FORMATLEN];
static int detected_count = -1;
static int undetected_count = -1;
static ipmidetect_t handle;
struct ipmidetect_arguments cmd_args;
/*
* _get_input_nodes
*
* Get the detected or undetected status of nodes specified on the
* cmdline or standard input.
*/
static void
_get_input_nodes (char *buf, int buflen, int which)
{
hostlist_t hl = NULL;
hostlist_iterator_t iter = NULL;
char *node = NULL;
assert (buf && buflen);
assert (which == IPMIDETECT_DETECTED_NODES || which == IPMIDETECT_UNDETECTED_NODES);
if (!(hl = hostlist_create (NULL)))
err_exit ("hostlist_create");
if (!(iter = hostlist_iterator_create (cmd_args.inputted_nodes)))
err_exit ("hostlist_iterator_create");
while ((node = hostlist_next (iter)))
{
int rv;
if (which == IPMIDETECT_DETECTED_NODES)
rv = ipmidetect_is_node_detected (handle, node);
else
rv = ipmidetect_is_node_undetected (handle, node);
if (rv < 0)
{
if (ipmidetect_errnum (handle) == IPMIDETECT_ERR_NOTFOUND)
err_exit ("Unknown node \"%s\"", node);
else
{
char *msg = ipmidetect_errormsg (handle);
if (which == IPMIDETECT_DETECTED_NODES)
err_exit ("ipmidetect_is_node_detected: %s", msg);
else
err_exit ("ipmidetect_is_node_undetected: %s", msg);
}
}
if (rv)
{
if (!hostlist_push_host (hl, node))
err_exit ("hostlist_push_host");
}
free (node);
}
hostlist_sort (hl);
if (hostlist_ranged_string (hl, buflen, buf) < 0)
err_exit ("hostlist_ranged_string");
hostlist_iterator_destroy (iter);
hostlist_destroy (hl);
}
/*
* _get_all_nodes
*
* Get the detected or undetected status of all nodes.
*/
static void
_get_all_nodes (char *buf, int buflen, int which)
{
int rv;
assert (buf && buflen > 0);
assert (which == IPMIDETECT_DETECTED_NODES || which == IPMIDETECT_UNDETECTED_NODES);
if (which == IPMIDETECT_DETECTED_NODES)
rv = ipmidetect_get_detected_nodes_string (handle, buf, buflen);
else
rv = ipmidetect_get_undetected_nodes_string (handle, buf, buflen);
if (rv < 0)
{
char *msg = ipmidetect_errormsg (handle);
if (which == IPMIDETECT_DETECTED_NODES)
err_exit ("ipmidetect_get_detected_nodes_string: %s", msg);
else
err_exit ("ipmidetect_get_undetected_nodes_string: %s", msg);
}
}
/*
* _get_nodes
*
* get the detected or undetected status of nodes. The appropriate
* function call to _get_input_nodes or _get_all_nodes will be done.
*/
static void
_get_nodes (char *buf, int buflen, int which, int *count)
{
hostlist_t hl = NULL;
assert (buf && buflen > 0 && count);
assert (which == IPMIDETECT_DETECTED_NODES || which == IPMIDETECT_UNDETECTED_NODES);
if (hostlist_count (cmd_args.inputted_nodes) > 0)
_get_input_nodes (buf, buflen, which);
else
_get_all_nodes (buf, buflen, which);
if (!(hl = hostlist_create (buf)))
err_exit ("hostlist_create");
*count = hostlist_count (hl);
hostlist_destroy (hl);
}
/*
* _output_nodes
*
* output the nodes specified in the nodebuf to stdout
*/
static void
_output_nodes (char *nodebuf)
{
assert (nodebuf);
if (!cmd_args.output_format)
fprintf (stdout, "%s\n", nodebuf);
else
{
char tbuf[IPMIDETECT_BUFFERLEN];
hostlist_t hl = NULL;
char *ptr;
/* output nodes separated by some break type */
memset (tbuf, '\0', IPMIDETECT_BUFFERLEN);
if (!(hl = hostlist_create (nodebuf)))
err_exit ("hostlist_create");
if (hostlist_deranged_string (hl, IPMIDETECT_BUFFERLEN, tbuf) < 0)
err_exit ("hostlist_deranged_string");
/* convert commas to appropriate break types */
if (cmd_args.output_format != ',')
{
while ((ptr = strchr (tbuf, ',')))
*ptr = (char)cmd_args.output_format;
}
/* start on the next line if its a newline separator */
if (cmd_args.output_type == IPMIDETECT_DETECTED_AND_UNDETECTED_NODES
&& cmd_args.output_format == '\n')
fprintf (stdout, "\n");
fprintf (stdout,"%s\n", tbuf);
hostlist_destroy (hl);
}
}
/*
* _log10
*
* portable log10() function that also allows us to avoid linking
* against the math library.
*/
static int
_log10 (int num)
{
int count = 0;
if (num > 0)
{
while ((num /= 10) > 0)
count++;
}
return (count);
}
/*
* _create_formats
*
* create the output formats based on the detected and undetected count.
*/
static void
_create_formats (char *endstr)
{
int max;
assert (detected_count >= 0 && undetected_count >= 0);
if (detected_count > undetected_count)
max = _log10 (detected_count);
else
max = _log10 (undetected_count);
max++;
snprintf (detectedfmt, IPMIDETECT_FORMATLEN, "detected: %%%dd%s", max, endstr);
snprintf (undetectedfmt, IPMIDETECT_FORMATLEN, "undetected: %%%dd%s", max, endstr);
}
/*
* _output_data
*
* Output the current upundetected state based on inputs from the command line
*
* Returns exit_val;
*/
int
_output_data (void)
{
int exit_val;
if (ipmidetect_load_data (handle,
cmd_args.hostname,
cmd_args.port,
0) < 0)
{
int errnum = ipmidetect_errnum (handle);
char *msg = ipmidetect_errormsg (handle);
/* Check for "legit" errors and output appropriate message */
if (errnum == IPMIDETECT_ERR_CONF_PARSE)
err_exit ("Parse error in conf file");
else if (errnum == IPMIDETECT_ERR_CONNECT)
err_exit ("Cannot connect to server");
else if (errnum == IPMIDETECT_ERR_CONNECT_TIMEOUT)
err_exit ("Timeout connecting to server");
else if (errnum == IPMIDETECT_ERR_HOSTNAME_INVALID)
err_exit ("Invalid hostname");
else
err_exit ("ipmidetect_load_data: %s", msg);
}
_get_nodes (detected_nodes,
IPMIDETECT_BUFFERLEN,
IPMIDETECT_DETECTED_NODES,
&detected_count);
_get_nodes (undetected_nodes,
IPMIDETECT_BUFFERLEN,
IPMIDETECT_UNDETECTED_NODES,
&undetected_count);
/* output up, undetected, or both up and undetected nodes */
if (cmd_args.output_type == IPMIDETECT_DETECTED_AND_UNDETECTED_NODES)
{
if (cmd_args.output_format == '\n')
{
/* newline output is funny, thus special */
snprintf (detectedfmt,
IPMIDETECT_FORMATLEN,
"detected %d:",
detected_count);
snprintf (undetectedfmt,
IPMIDETECT_FORMATLEN,
"undetected %d:",
undetected_count);
}
else
_create_formats (": ");
fprintf (stdout, detectedfmt, detected_count);
_output_nodes (detected_nodes);
/* handle odd situation with newline output list */
if (cmd_args.output_format == '\n')
fprintf (stdout, "\n");
fprintf (stdout, undetectedfmt, undetected_count);
_output_nodes (undetected_nodes);
}
else if (cmd_args.output_type == IPMIDETECT_DETECTED_NODES)
_output_nodes (detected_nodes);
else
_output_nodes (undetected_nodes);
if (cmd_args.output_type == IPMIDETECT_DETECTED_AND_UNDETECTED_NODES)
exit_val = EXIT_SUCCESS;
else if (cmd_args.output_type == IPMIDETECT_DETECTED_NODES)
exit_val = (!undetected_count) ? EXIT_SUCCESS : EXIT_FAILURE;
else
exit_val = (!detected_count) ? EXIT_SUCCESS : EXIT_FAILURE;
return (exit_val);
}
int
main (int argc, char *argv[])
{
int exit_val;
err_init (argv[0]);
err_init_exit_value (2);
err_set_flags (ERROR_STDERR);
ipmidetect_argp_parse (argc, argv, &cmd_args);
if (!(handle = ipmidetect_handle_create ()))
err_exit ("ipmidetect_handle_create: %s", strerror (errno));
exit_val = _output_data ();
(void)ipmidetect_handle_destroy (handle);
hostlist_destroy (cmd_args.inputted_nodes);
exit (exit_val);
}
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