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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_GREP_H
#define FLB_FILTER_GREP_H
#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_filter.h>
#include <fluent-bit/flb_sds.h>
#include <fluent-bit/flb_record_accessor.h>
/* rule types */
#define GREP_NO_RULE 0
#define GREP_REGEX 1
#define GREP_EXCLUDE 2
/* actions */
#define GREP_RET_KEEP 0
#define GREP_RET_EXCLUDE 1
enum _logical_op{
GREP_LOGICAL_OP_LEGACY,
GREP_LOGICAL_OP_OR,
GREP_LOGICAL_OP_AND
} logical_op;
struct grep_ctx {
struct mk_list rules;
int logical_op;
struct flb_filter_instance *ins;
};
struct grep_rule {
int type;
flb_sds_t field;
char *regex_pattern;
struct flb_regex *regex;
struct flb_record_accessor *ra;
struct mk_list _head;
};
#endif
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