1/*
2 * librdkafka - The Apache Kafka C/C++ library
3 *
4 * Copyright (c) 2018 Magnus Edenhill
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright notice,
11 * this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 * this list of conditions and the following disclaimer in the documentation
14 * and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _RDZSTD_H_
30#define _RDZSTD_H_
31
32/**
33 * @brief Decompress ZSTD framed data.
34 *
35 * @returns allocated buffer in \p *outbuf, length in \p *outlenp on success.
36 */
37rd_kafka_resp_err_t
38rd_kafka_zstd_decompress (rd_kafka_broker_t *rkb,
39 char *inbuf, size_t inlen,
40 void **outbuf, size_t *outlenp);
41
42/**
43 * Allocate space for \p *outbuf and compress all \p iovlen buffers in \p iov.
44 * @param MessageSetSize indicates (at least) full uncompressed data size,
45 * possibly including MessageSet fields that will not
46 * be compressed.
47 *
48 * @returns allocated buffer in \p *outbuf, length in \p *outlenp.
49 */
50rd_kafka_resp_err_t
51rd_kafka_zstd_compress (rd_kafka_broker_t *rkb, int comp_level,
52 rd_slice_t *slice, void **outbuf, size_t *outlenp);
53
54#endif /* _RDZSTD_H_ */
55