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/*
** Zabbix
** Copyright (C) 2001-2022 Zabbix SIA
**
** 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#include "zbxsysinfo.h"
#include "../sysinfo.h"
#include "log.h"
ZBX_METRIC parameter_hostname =
/* KEY FLAG FUNCTION TEST PARAMETERS */
{"system.hostname", CF_HAVEPARAMS, system_hostname, NULL};
int system_hostname(AGENT_REQUEST *request, AGENT_RESULT *result)
{
int rc;
char *hostname;
long hostbufsize = 0;
if (2 < request->nparam)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
return SYSINFO_RET_FAIL;
}
#ifdef _SC_HOST_NAME_MAX
hostbufsize = sysconf(_SC_HOST_NAME_MAX) + 1;
#endif
if (0 == hostbufsize)
hostbufsize = 256;
hostname = zbx_malloc(NULL, hostbufsize);
if (0 != gethostname(hostname, hostbufsize))
{
zbx_free(hostname);
SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot obtain system information: %s", zbx_strerror(errno)));
return SYSINFO_RET_FAIL;
}
if (FAIL == (rc = hostname_handle_params(request, result, hostname)))
zbx_free(hostname);
return rc;
}
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