1/*
2 * Copyright (c) 2015, Peter Thorson. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
11 * * Neither the name of the WebSocket++ Project nor the
12 * names of its contributors may be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL PETER THORSON BE LIABLE FOR ANY
19 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27/*
28 * Author: Benjamin Sergeant
29 * Copyright (c) 2018 Machine Zone, Inc. All rights reserved.
30 *
31 * Adapted from websocketpp/extensions/permessage_deflate/enabled.hpp
32 * (same license as MZ: https://opensource.org/licenses/BSD-3-Clause)
33 */
34
35#pragma once
36
37#include <memory>
38#include <string>
39#include "IXWebSocketSendData.h"
40
41namespace ix
42{
43 class WebSocketPerMessageDeflateOptions;
44 class WebSocketPerMessageDeflateCompressor;
45 class WebSocketPerMessageDeflateDecompressor;
46
47 class WebSocketPerMessageDeflate
48 {
49 public:
50 WebSocketPerMessageDeflate();
51 ~WebSocketPerMessageDeflate();
52
53 bool init(const WebSocketPerMessageDeflateOptions& perMessageDeflateOptions);
54 bool compress(const IXWebSocketSendData& in, std::string& out);
55 bool compress(const std::string& in, std::string& out);
56 bool decompress(const std::string& in, std::string& out);
57
58 private:
59 std::unique_ptr<WebSocketPerMessageDeflateCompressor> _compressor;
60 std::unique_ptr<WebSocketPerMessageDeflateDecompressor> _decompressor;
61 };
62
63 using WebSocketPerMessageDeflatePtr = std::unique_ptr<WebSocketPerMessageDeflate>;
64} // namespace ix
65