Zabbix
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xxxxxxxxxx/*** Zabbix** Copyright (C) 2001-2022 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.**//****************************************************************************** * * * Function: lld_field_str_rollback * * * * Author: Alexander Vladishev * * * ******************************************************************************/void lld_field_str_rollback(char **field, char **field_orig, zbx_uint64_t *flags, zbx_uint64_t flag){ if (0 == (*flags & flag)) return; zbx_free(*field); *field = *field_orig; *field_orig = NULL; *flags &= ~flag;}/****************************************************************************** * * * Function: lld_field_uint64_rollback * * * * Author: Alexander Vladishev * * * ******************************************************************************/void lld_field_uint64_rollback(zbx_uint64_t *field, zbx_uint64_t *field_orig, zbx_uint64_t *flags, zbx_uint64_t flag){ if (0 == (*flags & flag)) return; *field = *field_orig; *field_orig = 0; *flags &= ~flag;}/****************************************************************************** * * * Function: lld_end_of_life * * * * Purpose: calculate when to delete lost resources in an overflow-safe way * * * ******************************************************************************/int lld_end_of_life(int lastcheck, int lifetime){ return ZBX_JAN_2038 - lastcheck > lifetime ? lastcheck + lifetime : ZBX_JAN_2038;}/****************************************************************************** * * * Function: lld_remove_lost_objects * * * * Purpose: updates lastcheck and ts_delete fields; removes lost resources * * * ******************************************************************************/void lld_remove_lost_objects(const char *table, const char *id_name, const zbx_vector_ptr_t *objects, int lifetime, int lastcheck, delete_ids_f cb, get_object_info_f cb_info){ char *sql = NULL; size_t sql_alloc = 0, sql_offset = 0; zbx_vector_uint64_t del_ids, lc_ids, ts_ids; zbx_vector_uint64_pair_t discovery_ts; int i; zabbix_log(LOG_LEVEL_DEBUG, "In %s()", __func__); if (0 == objects->values_num) goto out;