Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

#include "zbxsysinfo.h"

#include "../sysinfo.h"

​

#include "zbxstr.h"

#include "zbxthreads.h"

#include "zbxjson.h"

#include "zbxalgo.h"

​

#include "perfstat/perfstat.h"

​

int user_perf_counter(AGENT_REQUEST *request, AGENT_RESULT *result)

{

    int ret = SYSINFO_RET_FAIL;

    char    *counter, *error = NULL;

    double  value;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__);

​

    if (1 != request->nparam)

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid number of parameters."));

        goto out;

    }

​

    if (NULL == (counter = get_rparam(request, 0)) || '\0' == *counter)

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid first parameter."));

        goto out;

    }

​

    if (SUCCEED != get_perf_counter_value_by_name(counter, &value, &error))

    {

        SET_MSG_RESULT(result, error != NULL ? error :

                zbx_strdup(NULL, "Cannot obtain performance information from collector."));

        goto out;

    }

​

    SET_DBL_RESULT(result, value);

    ret = SYSINFO_RET_OK;

out:

    zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __func__, zbx_result_string(ret));

​

    return ret;

}

​

static int  perf_counter_ex(const char *function, AGENT_REQUEST *request, AGENT_RESULT *result,

        zbx_perf_counter_lang_t lang)

{

    char    counterpath[PDH_MAX_COUNTER_PATH], *tmp, *error = NULL;

    int interval, ret = SYSINFO_RET_FAIL;

    double  value;

​

    zabbix_log(LOG_LEVEL_DEBUG, "In %s()", function);

​

    if (2 < request->nparam)

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));

        goto out;

    }

​

    tmp = get_rparam(request, 0);

​

    if (NULL == tmp || '\0' == *tmp)

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid first parameter."));

        goto out;

    }

​

    zbx_strscpy(counterpath, tmp);

​

    if (NULL == (tmp = get_rparam(request, 1)) || '\0' == *tmp)

    {

        interval = 1;

    }

    else if (FAIL == zbx_is_uint31(tmp, &interval))

    {

        SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid second parameter."));