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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_MULTILINE_H
#define FLB_FILTER_MULTILINE_H
#include <fluent-bit/flb_filter_plugin.h>
#include "ml_concat.h"
#define FLB_MULTILINE_MEM_BUF_LIMIT_DEFAULT "10M"
#define FLB_MULTILINE_METRIC_EMITTED 200
#define FLB_MULTILINE_MODE_PARTIAL_MESSAGE "partial_message"
#define FLB_MULTILINE_MODE_PARSER "parser"
/*
* input instance + tag is the unique identifier
* for a multiline stream
* TODO: implement clean up of streams that haven't been used recently
*/
struct ml_stream {
flb_sds_t tag;
flb_sds_t input_name;
uint64_t stream_id;
struct mk_list _head;
};
struct ml_ctx {
int debug_flush;
int use_buffer;
flb_sds_t key_content;
flb_sds_t mode;
/* packaging buffers */
msgpack_sbuffer mp_sbuf; /* temporary msgpack buffer */
msgpack_packer mp_pck; /* temporary msgpack packer */
/* Multiline core engine */
uint64_t stream_id;
struct flb_ml *m;
struct mk_list *multiline_parsers;
int flush_ms;
int timer_created;
int partial_mode;
struct mk_list ml_streams;
struct mk_list split_message_packers;
struct flb_filter_instance *ins;
/* emitter */
flb_sds_t emitter_name; /* emitter input plugin name */
flb_sds_t emitter_storage_type; /* emitter storage type */
size_t emitter_mem_buf_limit; /* Emitter buffer limit */
struct flb_input_instance *ins_emitter; /* emitter input plugin instance */
struct flb_config *config; /* Fluent Bit context */
#ifdef FLB_HAVE_METRICS
struct cmt_counter *cmt_emitted;
#endif
};
/* Register external function to emit records, check 'plugins/in_emitter' */
int in_emitter_add_record(const char *tag, int tag_len,
const char *buf_data, size_t buf_size,
struct flb_input_instance *in);
#endif
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