diff options
Diffstat (limited to 'src/fluent-bit/plugins/in_tail/tail_file.h')
| -rw-r--r-- | src/fluent-bit/plugins/in_tail/tail_file.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/fluent-bit/plugins/in_tail/tail_file.h b/src/fluent-bit/plugins/in_tail/tail_file.h new file mode 100644 index 000000000..796224c37 --- /dev/null +++ b/src/fluent-bit/plugins/in_tail/tail_file.h @@ -0,0 +1,137 @@ +/* -*- 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 |