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1 | /* |
2 | * This file is open source software, licensed to you under the terms | |
3 | * of the Apache License, Version 2.0 (the "License"). See the NOTICE file | |
4 | * distributed with this work for additional information regarding copyright | |
5 | * ownership. You may not use this file except in compliance with the License. | |
6 | * | |
7 | * You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, | |
12 | * software distributed under the License is distributed on an | |
13 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
14 | * KIND, either express or implied. See the License for the | |
15 | * specific language governing permissions and limitations | |
16 | * under the License. | |
17 | */ | |
18 | /* | |
19 | * Copyright (C) 2016 Scylladb, Ltd. | |
20 | */ | |
21 | ||
22 | #pragma once | |
23 | ||
24 | #include <seastar/core/sstring.hh> | |
25 | #include <seastar/rpc/rpc_types.hh> | |
26 | #include <lz4.h> | |
27 | ||
28 | namespace seastar { | |
29 | ||
30 | namespace rpc { | |
31 | class lz4_compressor : public compressor { | |
32 | public: | |
33 | class factory: public rpc::compressor::factory { | |
11fdf7f2 | 34 | public: |
f67539c2 TL |
35 | virtual const sstring& supported() const override; |
36 | virtual std::unique_ptr<rpc::compressor> negotiate(sstring feature, bool is_server) const override; | |
11fdf7f2 TL |
37 | }; |
38 | public: | |
39 | ~lz4_compressor() {} | |
40 | // compress data, leaving head_space empty in returned buffer | |
41 | snd_buf compress(size_t head_space, snd_buf data) override; | |
42 | // decompress data | |
43 | rcv_buf decompress(rcv_buf data) override; | |
f67539c2 | 44 | sstring name() const override; |
11fdf7f2 TL |
45 | }; |
46 | } | |
47 | ||
48 | } |