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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2015-2022 The Fluent Bit Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FLB_FILTER_CHECK_H
#define FLB_FILTER_CHECK_H
#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_sqldb.h>
#include <fluent-bit/flb_hash_table.h>
#include <fluent-bit/flb_record_accessor.h>
#define LINE_SIZE 2048
#define CHECK_HASH_TABLE_SIZE 100000
#define CHECK_EXACT_MATCH 0 /* exact string match */
#define CHECK_PARTIAL_MATCH 1 /* partial match */
/* plugin context */
struct checklist {
/* config options */
int mode;
int ignore_case;
int print_query_time;
flb_sds_t file;
flb_sds_t lookup_key;
struct mk_list *records;
/* internal */
struct flb_sqldb *db;
sqlite3_stmt *stmt_insert;
sqlite3_stmt *stmt_check;
struct flb_hash_table *ht;
struct flb_record_accessor *ra_lookup_key;
struct flb_filter_instance *ins;
struct flb_config *config;
};
/* create table */
#define SQL_CREATE_TABLE \
"CREATE TABLE IF NOT EXISTS list (" \
" pattern text " \
");"
#define SQL_CASE_SENSITIVE \
"PRAGMA case_sensitive_like = true;"
/* insert pattern into list table */
#define SQL_INSERT "INSERT INTO list (pattern) VALUES (@val);"
/* validate incoming value against list */
#define SQL_CHECK \
"SELECT pattern FROM list WHERE @val LIKE (pattern || '%');"
#endif
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