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 "zbxcacheconfig.h"

​

#include "zbxhistory.h"

#include "zbx_item_constants.h"

#include "zbxcachevalue.h"

#include "zbxtime.h"

#include "zbxvariant.h"

​

static const char   *item_logtype_string(unsigned char logtype)

{

    switch (logtype)

    {

        case ITEM_LOGTYPE_INFORMATION:

            return "Information";

        case ITEM_LOGTYPE_WARNING:

            return "Warning";

        case ITEM_LOGTYPE_ERROR:

            return "Error";

        case ITEM_LOGTYPE_FAILURE_AUDIT:

            return "Failure Audit";

        case ITEM_LOGTYPE_SUCCESS_AUDIT:

            return "Success Audit";

        case ITEM_LOGTYPE_CRITICAL:

            return "Critical";

        case ITEM_LOGTYPE_VERBOSE:

            return "Verbose";

        default:

            return "unknown";

    }

}

​

/******************************************************************************

 *                                                                            *

 * Purpose: retrieve a particular attribute of a log value.                   *

 *                                                                            *

 * Return value: upon successful completion return SUCCEED                    *

 *               otherwise FAIL                                               *

 *                                                                            *

 ******************************************************************************/

int zbx_dc_get_history_log_value(zbx_uint64_t itemid, char **replace_to, int request, int clock, int ns,

        const char *tz)

{

    zbx_dc_item_t       item;

    int         ret = FAIL, errcode = FAIL;

    zbx_timespec_t      ts = {clock, ns};

    zbx_history_record_t    value;

​

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

​

    zbx_dc_config_get_items_by_itemids(&item, &itemid, &errcode, 1);

​

    if (SUCCEED != errcode || ITEM_VALUE_TYPE_LOG != item.value_type)

        goto out;

​

    if (SUCCEED != zbx_vc_get_value(itemid, item.value_type, &ts, &value))

        goto out;

​

    zbx_vc_flush_stats();

​

    switch (request)

    {

        case ZBX_DC_REQUEST_ITEM_LOG_DATE:

            *replace_to = zbx_strdup(*replace_to, zbx_date2str((time_t)value.value.log->timestamp, tz));

            goto success;

        case ZBX_DC_REQUEST_ITEM_LOG_TIME:

            *replace_to = zbx_strdup(*replace_to, zbx_time2str((time_t)value.value.log->timestamp, tz));

            goto success;

        case ZBX_DC_REQUEST_ITEM_LOG_AGE:

            *replace_to = zbx_strdup(*replace_to, zbx_age2str(time(NULL) - value.value.log->timestamp));

            goto success;

        case ZBX_DC_REQUEST_ITEM_LOG_TIMESTAMP:

            *replace_to = zbx_dsprintf(*replace_to, "%d", value.value.log->timestamp);

            goto success;

    }

​

    /* the following attributes are set only for windows eventlog items */

    if (0 != strncmp(item.key_orig, "eventlog[", 9))