Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 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 "modbtype.h"

​

extern char         *CONFIG_HOSTNAMES;

extern ZBX_THREAD_LOCAL char    *CONFIG_HOSTNAME;

extern char         *CONFIG_HOST_METADATA;

extern char         *CONFIG_HOST_METADATA_ITEM;

​

static int  agent_hostname(AGENT_REQUEST *request, AGENT_RESULT *result);

static int  agent_hostmetadata(AGENT_REQUEST *request, AGENT_RESULT *result);

static int  agent_ping(AGENT_REQUEST *request, AGENT_RESULT *result);

static int  agent_version(AGENT_REQUEST *request, AGENT_RESULT *result);

static int  agent_variant(AGENT_REQUEST *request, AGENT_RESULT *result);

​

ZBX_METRIC  parameters_agent[] =

/*  KEY         FLAG        FUNCTION        TEST PARAMETERS */

{

    {"agent.hostname",  0,      agent_hostname,     NULL},

    {"agent.hostmetadata",  0,      agent_hostmetadata, NULL},

    {"agent.ping",      0,      agent_ping,     NULL},

    {"agent.variant",   0,      agent_variant,      NULL},

    {"agent.version",   0,      agent_version,      NULL},

    {"modbus.get",      CF_HAVEPARAMS,  modbus_get,     "tcp://127.0.0.1"},

    {NULL}

};

​

static int  agent_hostname(AGENT_REQUEST *request, AGENT_RESULT *result)

{

    ZBX_UNUSED(request);

​

    if (NULL == CONFIG_HOSTNAME)

    {

        char    *p;

​

        SET_STR_RESULT(result, NULL != (p = strchr(CONFIG_HOSTNAMES, ',')) ?

                zbx_dsprintf(NULL, "%.*s", (int)(p - CONFIG_HOSTNAMES), CONFIG_HOSTNAMES) :

                zbx_strdup(NULL, CONFIG_HOSTNAMES));

    }

    else

        SET_STR_RESULT(result, zbx_strdup(NULL, CONFIG_HOSTNAME));

​

    return SYSINFO_RET_OK;

}

​

static int  agent_hostmetadata(AGENT_REQUEST *request, AGENT_RESULT *result)

{

    int ret = SYSINFO_RET_OK;

​

    ZBX_UNUSED(request);

​

    if (NULL != CONFIG_HOST_METADATA)

    {

        SET_STR_RESULT(result, zbx_strdup(NULL, CONFIG_HOST_METADATA));

    }

    else if (NULL != CONFIG_HOST_METADATA_ITEM)

    {

        if (SUCCEED != zbx_execute_agent_check(CONFIG_HOST_METADATA_ITEM, ZBX_PROCESS_LOCAL_COMMAND |

                ZBX_PROCESS_WITH_ALIAS, result) || NULL == ZBX_GET_STR_RESULT(result))

        {

            SET_MSG_RESULT(result, zbx_dsprintf(NULL, "Cannot get host metadata using item \"%s\"",

                    CONFIG_HOST_METADATA_ITEM));

            ret = SYSINFO_RET_FAIL;

        }

    }

    else

        SET_STR_RESULT(result, zbx_strdup(NULL, ""));

​

    return ret;

}

​

static int  agent_ping(AGENT_REQUEST *request, AGENT_RESULT *result)