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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_TAIL_INTERNAL_H
#define FLB_TAIL_INTERNAL_H
#include <fluent-bit/flb_info.h>
#include <fluent-bit/flb_input.h>
#include <fluent-bit/flb_sds.h>
#include <fluent-bit/flb_time.h>
#include <fluent-bit/flb_log_event_encoder.h>
#ifdef FLB_HAVE_PARSER
#include <fluent-bit/multiline/flb_ml.h>
#endif
#include "tail.h"
#include "tail_config.h"
struct flb_tail_file {
/* Inotify */
int watch_fd;
/* file lookup info */
int fd;
int64_t size;
int64_t offset;
int64_t last_line;
uint64_t dev_id;
uint64_t inode;
uint64_t link_inode;
int is_link;
char *name; /* target file name given by scan routine */
char *real_name; /* real file name in the file system */
char *orig_name; /* original file name (before rotation) */
size_t name_len;
size_t orig_name_len;
time_t rotated;
int64_t pending_bytes;
/* dynamic tag for this file */
int tag_len;
char *tag_buf;
/* OLD multiline */
time_t mult_flush_timeout; /* time when multiline started */
int mult_firstline; /* bool: mult firstline found ? */
int mult_firstline_append; /* bool: mult firstline appendable ? */
int mult_skipping; /* skipping because ignode_older than ? */
int mult_keys; /* total number of buffered keys */
int mult_records; /* multiline records counter mult_sbuf */
msgpack_sbuffer mult_sbuf; /* temporary msgpack buffer */
msgpack_packer mult_pck; /* temporary msgpack packer */
struct flb_time mult_time; /* multiline time parsed from first line */
/* OLD docker mode */
time_t dmode_flush_timeout; /* time when docker mode started */
flb_sds_t dmode_buf; /* buffer for docker mode */
flb_sds_t dmode_lastline; /* last incomplete line */
bool dmode_complete; /* buffer contains completed log */
bool dmode_firstline; /* dmode mult firstline found ? */
/* multiline engine: file stream_id and local buffers */
uint64_t ml_stream_id;
/* content parsing, positions and buffer */
size_t parsed;
size_t buf_len;
size_t buf_size;
char *buf_data;
/*
* This value represent the number of bytes procesed by process_content()
* in the last iteration.
*/
size_t last_processed_bytes;
/*
* Long-lines handling: this flag is enabled when a previous line was
* too long and the buffer did not contain a \n, so when reaching the
* missing \n, skip that content and move forward.
*
* This flag is only set when Skip_Long_Lines is On.
*/
int skip_next;
/* Did the plugin already warn the user about long lines ? */
int skip_warn;
/* Opaque data type for specific fs-event backend data */
void *fs_backend;
/* database reference */
uint64_t db_id;
uint64_t hash_bits;
flb_sds_t hash_key;
/* There are dedicated log event encoders for
* single and multi line events because I am respecting
* the old behavior which resulted in grouping both types
* of logs in tail_file.c but I don't know if this is
* strictly necessary.
*/
struct flb_log_event_encoder *ml_log_event_encoder;
struct flb_log_event_encoder *sl_log_event_encoder;
/* reference */
int tail_mode;
struct flb_tail_config *config;
struct mk_list _head;
struct mk_list _rotate_head;
};
#endif
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