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190 lines
8.0 KiB
190 lines
8.0 KiB
/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program is free software; you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation; either version 2 of the License, or
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** (at your option) any later version.
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**
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** This program is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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#ifndef ZABBIX_ZBXEXPRESSION_H
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#define ZABBIX_ZBXEXPRESSION_H
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#include "zbxcacheconfig.h"
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#include "zbxvariant.h"
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#define ZBX_EXPRESSION_NORMAL 0
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#define ZBX_EXPRESSION_AGGREGATE 1
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#define ZBX_MACRO_TYPE_MESSAGE_NORMAL 0x00000001
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#define ZBX_MACRO_TYPE_MESSAGE_RECOVERY 0x00000002
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#define ZBX_MACRO_TYPE_TRIGGER_URL 0x00000004
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#define ZBX_MACRO_TYPE_TRIGGER_EXPRESSION 0x00000008
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#define ZBX_MACRO_TYPE_TRIGGER_DESCRIPTION 0x00000010 /* name */
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#define ZBX_MACRO_TYPE_TRIGGER_COMMENTS 0x00000020 /* description */
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#define ZBX_MACRO_TYPE_ITEM_KEY 0x00000040
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#define ZBX_MACRO_TYPE_INTERFACE_ADDR 0x00000080
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#define ZBX_MACRO_TYPE_COMMON 0x00000100
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#define ZBX_MACRO_TYPE_PARAMS_FIELD 0x00000200
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#define ZBX_MACRO_TYPE_SCRIPT 0x00000400
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#define ZBX_MACRO_TYPE_SNMP_OID 0x00000800
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#define ZBX_MACRO_TYPE_HTTPTEST_FIELD 0x00001000
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#define ZBX_MACRO_TYPE_LLD_FILTER 0x00002000
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#define ZBX_MACRO_TYPE_TRIGGER_TAG 0x00004000
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#define ZBX_MACRO_TYPE_JMX_ENDPOINT 0x00008000
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#define ZBX_MACRO_TYPE_MESSAGE_UPDATE 0x00010000
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#define ZBX_MACRO_TYPE_HTTP_RAW 0x00020000
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#define ZBX_MACRO_TYPE_HTTP_JSON 0x00040000
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#define ZBX_MACRO_TYPE_HTTP_XML 0x00080000
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#define ZBX_MACRO_TYPE_ALLOWED_HOSTS 0x00100000
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#define ZBX_MACRO_TYPE_ITEM_TAG 0x00200000
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#define ZBX_MACRO_TYPE_EVENT_NAME 0x00400000 /* event name in trigger configuration */
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#define ZBX_MACRO_TYPE_SCRIPT_PARAMS_FIELD 0x00800000
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#define ZBX_MACRO_TYPE_SCRIPT_NORMAL 0x01000000
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#define ZBX_MACRO_TYPE_SCRIPT_RECOVERY 0x02000000
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#define ZBX_MACRO_TYPE_REPORT 0x04000000
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#define ZBX_MACRO_TYPE_QUERY_FILTER 0x08000000
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#define ZBX_MACRO_EXPAND_NO 0
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#define ZBX_MACRO_EXPAND_YES 1
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/* lld macro context */
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#define ZBX_MACRO_ANY (ZBX_TOKEN_LLD_MACRO | ZBX_TOKEN_LLD_FUNC_MACRO | ZBX_TOKEN_USER_MACRO)
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#define ZBX_MACRO_JSON (ZBX_MACRO_ANY | ZBX_TOKEN_JSON)
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#define ZBX_MACRO_FUNC (ZBX_MACRO_ANY | ZBX_TOKEN_FUNC_MACRO)
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/* group - hostids cache */
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typedef struct
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{
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char *name;
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zbx_vector_uint64_t hostids;
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}
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zbx_expression_group_t;
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ZBX_PTR_VECTOR_DECL(expression_group_ptr, zbx_expression_group_t *)
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/* item - tags cache */
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typedef struct
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{
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zbx_uint64_t itemid;
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zbx_vector_item_tag_t tags;
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}
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zbx_expression_item_t;
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ZBX_PTR_VECTOR_DECL(expression_item_ptr, zbx_expression_item_t *)
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/* expression item query */
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typedef struct
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{
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/* query flags, see ZBX_ITEM_QUERY_* defines */
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zbx_uint32_t flags;
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/* the item query /host/key?[filter] */
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zbx_item_query_t ref;
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/* the query error */
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char *error;
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/* the expression item query data, zbx_expression_query_one_t or zbx_expression_query_many_t */
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void *data;
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}
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zbx_expression_query_t;
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ZBX_PTR_VECTOR_DECL(expression_query_ptr, zbx_expression_query_t *)
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typedef struct
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{
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zbx_eval_context_t *ctx;
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zbx_vector_expression_query_ptr_t queries;
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int mode;
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int one_num;
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int many_num;
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zbx_uint64_t hostid;
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/* cache to resolve one item queries */
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zbx_host_key_t *hostkeys;
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zbx_dc_item_t *dcitems_hk;
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int *errcodes_hk;
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/* cache to resolve many item queries */
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zbx_vector_expression_group_ptr_t groups;
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zbx_vector_expression_item_ptr_t itemtags;
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zbx_vector_dc_item_t dcitem_refs;
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zbx_dc_item_t *dcitems;
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int *errcodes;
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int dcitems_num;
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}
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zbx_expression_eval_t;
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int zbx_substitute_simple_macros(const zbx_uint64_t *actionid, const zbx_db_event *event,
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const zbx_db_event *r_event, const zbx_uint64_t *userid, const zbx_uint64_t *hostid,
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const zbx_dc_host_t *dc_host, const zbx_dc_item_t *dc_item, const zbx_db_alert *alert,
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const zbx_db_acknowledge *ack, const zbx_service_alarm_t *service_alarm, const zbx_db_service *service,
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const char *tz, char **data, int macro_type, char *error, int maxerrlen);
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int zbx_substitute_simple_macros_unmasked(const zbx_uint64_t *actionid, const zbx_db_event *event,
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const zbx_db_event *r_event, const zbx_uint64_t *userid, const zbx_uint64_t *hostid,
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const zbx_dc_host_t *dc_host, const zbx_dc_item_t *dc_item, const zbx_db_alert *alert,
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const zbx_db_acknowledge *ack, const zbx_service_alarm_t *service_alarm, const zbx_db_service *service,
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const char *tz, char **data, int macro_type, char *error, int maxerrlen);
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void zbx_substitute_simple_macros_allowed_hosts(zbx_history_recv_item_t *item, char **allowed_peers);
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void zbx_evaluate_expressions(zbx_vector_dc_trigger_t *triggers, const zbx_vector_uint64_t *history_itemids,
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const zbx_history_sync_item_t *history_items, const int *history_errcodes);
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void zbx_format_value(char *value, size_t max_len, zbx_uint64_t valuemapid,
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const char *units, unsigned char value_type);
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void zbx_determine_items_in_expressions(zbx_vector_dc_trigger_t *trigger_order, const zbx_uint64_t *itemids,
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int item_num);
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void zbx_expression_eval_init(zbx_expression_eval_t *eval, int mode, zbx_eval_context_t *ctx);
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void zbx_expression_eval_clear(zbx_expression_eval_t *eval);
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void zbx_expression_eval_resolve_item_hosts(zbx_expression_eval_t *eval, const zbx_dc_item_t *item);
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void zbx_expression_eval_resolve_filter_macros(zbx_expression_eval_t *eval, const zbx_dc_item_t *item);
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void zbx_expression_eval_resolve_trigger_hosts_items(zbx_expression_eval_t *eval, const zbx_db_trigger *trigger);
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int zbx_expression_eval_execute(zbx_expression_eval_t *eval, const zbx_timespec_t *ts, zbx_variant_t *value,
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char **error);
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/* evaluate simple */
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int zbx_evaluate(double *value, const char *expression, char *error, size_t max_error_len,
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zbx_vector_str_t *unknown_msgs);
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int zbx_evaluate_unknown(const char *expression, double *value, char *error, size_t max_error_len);
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double zbx_evaluate_string_to_double(const char *in);
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int zbx_substitute_lld_macros(char **data, const struct zbx_json_parse *jp_row,
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const zbx_vector_lld_macro_path_t *lld_macro_paths, int flags, char *error, size_t max_error_len);
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int zbx_substitute_key_macros(char **data, zbx_uint64_t *hostid, zbx_dc_item_t *dc_item,
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const struct zbx_json_parse *jp_row, const zbx_vector_lld_macro_path_t *lld_macro_paths, int macro_type,
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char *error, size_t maxerrlen);
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int zbx_substitute_key_macros_unmasked(char **data, zbx_uint64_t *hostid, zbx_dc_item_t *dc_item,
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const struct zbx_json_parse *jp_row, const zbx_vector_lld_macro_path_t *lld_macro_paths, int macro_type,
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char *error, size_t maxerrlen);
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int zbx_substitute_function_lld_param(const char *e, size_t len, unsigned char key_in_param,
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char **exp, size_t *exp_alloc, size_t *exp_offset, const struct zbx_json_parse *jp_row,
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const zbx_vector_lld_macro_path_t *lld_macro_paths, char *error, size_t max_error_len);
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int zbx_substitute_macros_xml(char **data, const zbx_dc_item_t *item, const struct zbx_json_parse *jp_row,
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const zbx_vector_lld_macro_path_t *lld_macro_paths, char *error, int maxerrlen);
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int zbx_substitute_macros_xml_unmasked(char **data, const zbx_dc_item_t *item, const struct zbx_json_parse *jp_row,
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const zbx_vector_lld_macro_path_t *lld_macro_paths, char *error, int maxerrlen);
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int zbx_substitute_macros_in_json_pairs(char **data, const struct zbx_json_parse *jp_row,
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const zbx_vector_lld_macro_path_t *lld_macro_paths, char *error, int maxerrlen);
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int zbx_substitute_expression_lld_macros(char **data, zbx_uint64_t rules, const struct zbx_json_parse *jp_row,
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const zbx_vector_lld_macro_path_t *lld_macro_paths, char **error);
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void zbx_count_dbl_vector_with_pattern(zbx_eval_count_pattern_data_t *pdata, char *pattern,
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zbx_vector_dbl_t *values, int *count);
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#endif
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