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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_SNAPPY_H
#define FLB_SNAPPY_H
#include <fluent-bit/flb_info.h>
#include <cfl/cfl_list.h>
#include <stdio.h>
#define FLB_SNAPPY_STREAM_IDENTIFIER_STRING "sNaPpY"
#define FLB_SNAPPY_FRAME_SIZE_LIMIT 65540
#define FLB_SNAPPY_FRAME_TYPE_STREAM_IDENTIFIER 0xFF
#define FLB_SNAPPY_FRAME_TYPE_COMPRESSED_DATA 0x00
#define FLB_SNAPPY_FRAME_TYPE_UNCOMPRESSED_DATA 0x01
#define FLB_SNAPPY_FRAME_TYPE_RESERVED_UNSKIPPABLE_BASE 0x02
#define FLB_SNAPPY_FRAME_TYPE_RESERVED_UNSKIPPABLE_TOP 0x7F
#define FLB_SNAPPY_FRAME_TYPE_RESERVED_SKIPPABLE_BASE 0x80
#define FLB_SNAPPY_FRAME_TYPE_RESERVED_SKIPPABLE_TOP 0xFD
#define FLB_SNAPPY_FRAME_TYPE_PADDING 0xFE
struct flb_snappy_data_chunk {
int dynamically_allocated_buffer;
char *buffer;
size_t length;
struct cfl_list _head;
};
int flb_snappy_compress(char *in_data, size_t in_len,
char **out_data, size_t *out_len);
int flb_snappy_uncompress(char *in_data, size_t in_len,
char **out_data, size_t *out_size);
int flb_snappy_uncompress_framed_data(char *in_data, size_t in_len,
char **out_data, size_t *out_len);
#endif
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