Source
/*
** Copyright (C) 2001-2024 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/>.
**/
int vm_memory_size(AGENT_REQUEST *request, AGENT_RESULT *result)
{
PERFORMANCE_INFORMATION pfi;
MEMORYSTATUSEX ms_ex;
MEMORYSTATUS ms;
char *mode;
if (1 < request->nparam)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
return SYSINFO_RET_FAIL;
}
mode = get_rparam(request, 0);
if (NULL != mode && 0 == strcmp(mode, "cached"))
{
if (NULL == zbx_get_GetPerformanceInfo())
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain system information."));
return SYSINFO_RET_FAIL;
}
(*zbx_get_GetPerformanceInfo())(&pfi, sizeof(PERFORMANCE_INFORMATION));
SET_UI64_RESULT(result, (zbx_uint64_t)pfi.SystemCache * pfi.PageSize);
return SYSINFO_RET_OK;
}
if (NULL != zbx_get_GlobalMemoryStatusEx())
{
ms_ex.dwLength = sizeof(MEMORYSTATUSEX);
(*zbx_get_GlobalMemoryStatusEx())(&ms_ex);
if (NULL == mode || '\0' == *mode || 0 == strcmp(mode, "total"))
{
SET_UI64_RESULT(result, ms_ex.ullTotalPhys);
}
else if (0 == strcmp(mode, "free"))
{
SET_UI64_RESULT(result, ms_ex.ullAvailPhys);
}