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/*
** Zabbix
** Copyright (C) 2001-2014 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 "common.h"
#include "sysinfo.h"
#include "zbxjson.h"
int VFS_FS_SIZE(AGENT_REQUEST *request, AGENT_RESULT *result)
{
char *path, *mode;
wchar_t *wpath;
ULARGE_INTEGER freeBytes, totalBytes;
if (2 < request->nparam)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
return SYSINFO_RET_FAIL;
}
path = get_rparam(request, 0);
mode = get_rparam(request, 1);
if (NULL == path || '\0' == *path)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid first parameter."));
return SYSINFO_RET_FAIL;
}
wpath = zbx_utf8_to_unicode(path);
if (0 == GetDiskFreeSpaceEx(wpath, &freeBytes, &totalBytes, NULL))
{
zbx_free(wpath);
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain filesystem information."));
return SYSINFO_RET_FAIL;
}
zbx_free(wpath);
if (NULL == mode || '\0' == *mode || 0 == strcmp(mode, "total"))
SET_UI64_RESULT(result, totalBytes.QuadPart);
else if (0 == strcmp(mode, "free"))
SET_UI64_RESULT(result, freeBytes.QuadPart);
else if (0 == strcmp(mode, "used"))
SET_UI64_RESULT(result, totalBytes.QuadPart - freeBytes.QuadPart);
else if (0 == strcmp(mode, "pfree"))
SET_DBL_RESULT(result, (double)(__int64)freeBytes.QuadPart * 100. / (double)(__int64)totalBytes.QuadPart);
else if (0 == strcmp(mode, "pused"))
SET_DBL_RESULT(result, (double)((__int64)totalBytes.QuadPart - (__int64)freeBytes.QuadPart) * 100. /
(double)(__int64)totalBytes.QuadPart);
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid second parameter."));
return SYSINFO_RET_FAIL;
}
return SYSINFO_RET_OK;
}
int VFS_FS_DISCOVERY(AGENT_REQUEST *request, AGENT_RESULT *result)
{
wchar_t fsName[MAX_PATH + 1];
wchar_t *buffer = NULL, *p;
char *utf8;
DWORD dwSize;
size_t sz;
struct zbx_json j;
/* Make an initial call to GetLogicalDriveStrings to
get the necessary size into the dwSize variable */
if (0 == (dwSize = GetLogicalDriveStrings(0, buffer)))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain necessary buffer size from system."));
return SYSINFO_RET_FAIL;
}
buffer = (wchar_t *)zbx_malloc(buffer, (dwSize + 1) * sizeof(wchar_t));
/* Make a second call to GetLogicalDriveStrings to get
the actual data we require */
if (0 == (dwSize = GetLogicalDriveStrings(dwSize, buffer)))
{
zbx_free(buffer);
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain a list of filesystems."));
return SYSINFO_RET_FAIL;
}
zbx_json_init(&j, ZBX_JSON_STAT_BUF_LEN);
zbx_json_addarray(&j, ZBX_PROTO_TAG_DATA);
for (p = buffer, sz = wcslen(p); sz > 0; p += sz + 1, sz = wcslen(p))
{
zbx_json_addobject(&j, NULL);
utf8 = zbx_unicode_to_utf8(p);
/* remove trailing backslash */
if ('A' <= utf8[0] && utf8[0] <= 'Z' && ':' == utf8[1] && '\\' == utf8[2] && '\0' == utf8[3])
utf8[2] = '\0';
zbx_json_addstring(&j, "{#FSNAME}", utf8, ZBX_JSON_TYPE_STRING);
zbx_free(utf8);
if (TRUE == GetVolumeInformation(p, NULL, 0, NULL, NULL, NULL, fsName, ARRSIZE(fsName)))
{
utf8 = zbx_unicode_to_utf8(fsName);
zbx_json_addstring(&j, "{#FSTYPE}", utf8, ZBX_JSON_TYPE_STRING);
zbx_free(utf8);
}
else
zbx_json_addstring(&j, "{#FSTYPE}", "UNKNOWN", ZBX_JSON_TYPE_STRING);
zbx_json_close(&j);
}
zbx_free(buffer);
zbx_json_close(&j);
SET_STR_RESULT(result, zbx_strdup(NULL, j.buffer));
zbx_json_free(&j);
return SYSINFO_RET_OK;
}
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