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 "zbxcommon.h"

​

#include "zbxdbhigh.h"

​

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

 *                                                                            *

 * Purpose: save item state, error, mtime, lastlogsize changes to             *

 *          database                                                          *

 *                                                                            *

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

void    zbx_db_save_item_changes(char **sql, size_t *sql_alloc, size_t *sql_offset,

        const zbx_vector_item_diff_ptr_t *item_diff, zbx_uint64_t mask)

{

    int         i;

    const zbx_item_diff_t   *diff;

    char            *value_esc;

    zbx_uint64_t        flags;

​

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

    {

        char    delim = ' ';

​

        diff = item_diff->values[i];

        flags = diff->flags & mask;

​

        if (0 == (ZBX_FLAGS_ITEM_DIFF_UPDATE_DB & flags))

            continue;

​

        zbx_strcpy_alloc(sql, sql_alloc, sql_offset, "update item_rtdata set");

​

        if (0 != (ZBX_FLAGS_ITEM_DIFF_UPDATE_LASTLOGSIZE & flags))

        {

            zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "%clastlogsize=" ZBX_FS_UI64, delim,

                    diff->lastlogsize);

            delim = ',';

        }

​

        if (0 != (ZBX_FLAGS_ITEM_DIFF_UPDATE_MTIME & flags))

        {

            zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "%cmtime=%d", delim, diff->mtime);

            delim = ',';

        }

​

        if (0 != (ZBX_FLAGS_ITEM_DIFF_UPDATE_STATE & flags))

        {

            zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "%cstate=%d", delim, (int)diff->state);

            delim = ',';

        }

​