Zabbix

/*

** 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/>.

**/

​

#include "zbxservice.h"

​

#include "zbxalgo.h"

#include "zbxserialize.h"

#include "zbxdbhigh.h"

​

void    zbx_service_serialize_event(unsigned char **data, size_t *data_alloc, size_t *data_offset, zbx_uint64_t eventid,

        int clock, int ns, int value, int severity, const zbx_vector_tags_ptr_t *tags,

        zbx_vector_uint64_t *maintenanceids)

{

    zbx_uint32_t    data_len = 0, *len = NULL;

    int     i, maintenance_num = 0;

    unsigned char   *ptr;

​

    zbx_serialize_prepare_value(data_len, eventid);

    zbx_serialize_prepare_value(data_len, clock);

    zbx_serialize_prepare_value(data_len, ns);

    zbx_serialize_prepare_value(data_len, value);

    zbx_serialize_prepare_value(data_len, severity);

    zbx_serialize_prepare_value(data_len, tags->values_num);

​

    zbx_serialize_prepare_value(data_len, maintenance_num);

    if (NULL != maintenanceids)

        data_len += (zbx_uint32_t)(maintenanceids->values_num * (int)sizeof(zbx_uint64_t));

​

    if (0 != tags->values_num)

    {

        len = (zbx_uint32_t *)zbx_malloc(NULL, sizeof(zbx_uint32_t) * 2 * (size_t)tags->values_num);

        for (i = 0; i < tags->values_num; i++)

        {

            zbx_tag_t   *tag = tags->values[i];

​

            zbx_serialize_prepare_str_len(data_len, tag->tag, len[i * 2]);

            zbx_serialize_prepare_str_len(data_len, tag->value, len[i * 2 + 1]);

        }

    }

​

    if (NULL != *data)

    {

        while (data_len > *data_alloc - *data_offset)

        {

            *data_alloc *= 2;

            *data = (unsigned char *)zbx_realloc(*data, *data_alloc);

        }

    }

    else

        *data = (unsigned char *)zbx_malloc(NULL, (*data_alloc = MAX(1024, data_len)));

​

    ptr = *data + *data_offset;