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/*
** Zabbix
** Copyright (C) 2001-2020 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 "db.h"
/******************************************************************************
* *
* Function: zbx_db_save_item_changes *
* *
* 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_ptr_t *item_diff)
{
int i;
const zbx_item_diff_t *diff;
char *value_esc;
for (i = 0; i < item_diff->values_num; i++)
{
char delim = ' ';
diff = (const zbx_item_diff_t *)item_diff->values[i];
if (0 == (ZBX_FLAGS_ITEM_DIFF_UPDATE_DB & diff->flags))
continue;
zbx_strcpy_alloc(sql, sql_alloc, sql_offset, "update item_rtdata set");
if (0 != (ZBX_FLAGS_ITEM_DIFF_UPDATE_LASTLOGSIZE & diff->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 & diff->flags))
{
zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "%cmtime=%d", delim, diff->mtime);
delim = ',';
}
if (0 != (ZBX_FLAGS_ITEM_DIFF_UPDATE_STATE & diff->flags))
{
zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "%cstate=%d", delim, (int)diff->state);
delim = ',';
}
if (0 != (ZBX_FLAGS_ITEM_DIFF_UPDATE_ERROR & diff->flags))
{
value_esc = DBdyn_escape_field("item_rtdata", "error", diff->error);
zbx_snprintf_alloc(sql, sql_alloc, sql_offset, "%cerror='%s'", delim, value_esc);
zbx_free(value_esc);
}
zbx_snprintf_alloc(sql, sql_alloc, sql_offset, " where itemid=" ZBX_FS_UI64 ";\n", diff->itemid);
DBexecute_overflowed_sql(sql, sql_alloc, sql_offset);
}
}
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