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/*
* Copyright (C) 2012 Red Hat, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Authors: Radek Novacek <rnovacek@redhat.com>
*/
#include "globals.h"
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <sys/utsname.h>
#include <string.h>
#include <netdb.h>
#include <stdio.h>
static char *_fqdn = NULL;
static int _log_level = DEBUG;
char *getFQDN(void)
{
struct utsname uts;
if ((uname(&uts) > 0) && (uts.nodename != NULL)) {
return strdup(uts.nodename);
}
char hostname[256];
hostname[255] = '\0';
if (gethostname(hostname, 255) == -1) {
// FIXME: what to do, if we can't use gethostname?
return NULL;
}
struct addrinfo hints;
struct addrinfo *info = NULL, *p;
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC; // either IPV4 or IPV6
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_CANONNAME;
if (getaddrinfo(hostname, "http", &hints, &info) == 0) {
for (p = info; p != NULL; p = p->ai_next) {
if (p->ai_canonname && strstr(p->ai_canonname, "localhost") == NULL) {
char *dn = strdup(p->ai_canonname);
freeaddrinfo(info);
return dn;
}
}
}
if (info != NULL) {
freeaddrinfo(info);
}
return strdup(hostname);
}
const char *get_system_name()
{
if (_fqdn == NULL) {
_fqdn = getFQDN();
}
return _fqdn;
}
const char *get_system_creation_class_name()
{
return "Linux_ComputerSystem";
}
void _debug(int level, const char *file, int line, const char *format, ...)
{
if (level > _log_level) {
return;
}
FILE *trace_file = stderr;
const char *lvl[] = { "NONE", "ERROR", "WARNING", "DEBUG" };
// TODO: use logger from sfcbd and pegasus
fprintf(trace_file, "[%s] %s:%d\t", lvl[level], file, line);
va_list args;
va_start(args, format);
vfprintf(stderr, format, args);
va_end(args);
fprintf(stderr, "\n");
}
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