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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_FILE_H
#define FLB_TAIL_FILE_H
#include <sys/types.h>
#include <sys/stat.h>
#include <fluent-bit/flb_compat.h>
#include <fluent-bit/flb_input.h>
#include "tail.h"
#include "tail_fs.h"
#include "tail_config.h"
#include "tail_file_internal.h"
#ifdef FLB_SYSTEM_WINDOWS
#include "win32.h"
#endif
#ifdef FLB_HAVE_REGEX
#define FLB_HASH_TABLE_SIZE 50
#endif
/* return the file modification time in seconds since epoch */
static inline int64_t flb_tail_stat_mtime(struct stat *st)
{
#if defined(FLB_HAVE_WINDOWS)
return (int64_t) st->st_mtime;
#elif defined(__APPLE__) && !defined(_POSIX_C_SOURCE)
return (int64_t) st->st_mtimespec.tv_sec;
#elif (_POSIX_C_SOURCE >= 200809L || \
defined(_BSD_SOURCE) || defined(_SVID_SOURCE) || \
defined(__BIONIC__) || (defined (__SVR4) && defined (__sun)) || \
defined(__FreeBSD__) || defined (__linux__))
return (int64_t) st->st_mtim.tv_sec;
#elif defined(_AIX)
return (int64_t) st->st_mtime;
#else
return (int64_t) st->st_mtime;
#endif
/* backend unsupported: submit a PR :) */
return -1;
}
static inline int flb_tail_target_file_name_cmp(char *name,
struct flb_tail_file *file)
{
int ret;
char *name_a = NULL;
char *name_b = NULL;
char *base_a = NULL;
char *base_b = NULL;
name_a = flb_strdup(name);
if (!name_a) {
flb_errno();
ret = -1;
goto out;
}
base_a = flb_strdup(basename(name_a));
if (!base_a) {
flb_errno();
ret = -1;
goto out;
}
#if defined(FLB_SYSTEM_WINDOWS)
name_b = flb_strdup(file->real_name);
if (!name_b) {
flb_errno();
ret = -1;
goto out;
}
base_b = basename(name_b);
ret = _stricmp(base_a, base_b);
#else
name_b = flb_strdup(file->real_name);
if (!name_b) {
flb_errno();
ret = -1;
goto out;
}
base_b = basename(name_b);
ret = strcmp(base_a, base_b);
#endif
out:
flb_free(name_a);
flb_free(name_b);
flb_free(base_a);
/* FYI: 'base_b' never points to a new allocation, no flb_free is needed */
return ret;
}
int flb_tail_file_name_dup(char *path, struct flb_tail_file *file);
int flb_tail_file_to_event(struct flb_tail_file *file);
int flb_tail_file_chunk(struct flb_tail_file *file);
int flb_tail_file_append(char *path, struct stat *st, int mode,
struct flb_tail_config *ctx);
void flb_tail_file_remove(struct flb_tail_file *file);
int flb_tail_file_remove_all(struct flb_tail_config *ctx);
char *flb_tail_file_name(struct flb_tail_file *file);
int flb_tail_file_is_rotated(struct flb_tail_config *ctx,
struct flb_tail_file *file);
int flb_tail_file_rotated(struct flb_tail_file *file);
int flb_tail_file_purge(struct flb_input_instance *ins,
struct flb_config *config, void *context);
int flb_tail_pack_line_map(struct flb_time *time, char **data,
size_t *data_size, struct flb_tail_file *file,
size_t processed_bytes);
int flb_tail_file_pack_line(struct flb_time *time, char *data, size_t data_size,
struct flb_tail_file *file, size_t processed_bytes);
#endif
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