| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2023 Vinnie Falco (vinnie.falco@gmail.com) | ||
| 3 | // Copyright (c) 2024 Mohammad Nejati | ||
| 4 | // | ||
| 5 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | ||
| 6 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | ||
| 7 | // | ||
| 8 | // Official repository: https://github.com/cppalliance/buffers | ||
| 9 | // | ||
| 10 | |||
| 11 | #ifndef BOOST_HTTP_PROTO_DETAIL_ZLIB_FILTER_BASE_HPP | ||
| 12 | #define BOOST_HTTP_PROTO_DETAIL_ZLIB_FILTER_BASE_HPP | ||
| 13 | |||
| 14 | #include <boost/http_proto/detail/workspace.hpp> | ||
| 15 | |||
| 16 | #include "src/detail/filter.hpp" | ||
| 17 | |||
| 18 | #include <boost/rts/zlib/stream.hpp> | ||
| 19 | #include <boost/rts/zlib/flush.hpp> | ||
| 20 | |||
| 21 | namespace boost { | ||
| 22 | namespace http_proto { | ||
| 23 | namespace detail { | ||
| 24 | |||
| 25 | /** Base class for zlib filters | ||
| 26 | */ | ||
| 27 | class zlib_filter_base : public filter | ||
| 28 | { | ||
| 29 | public: | ||
| 30 | 124 | zlib_filter_base(workspace& w) | |
| 31 | 124 | { | |
| 32 | 124 | strm_.zalloc = &zalloc; | |
| 33 | 124 | strm_.zfree = &zfree; | |
| 34 | 124 | strm_.opaque = &w; | |
| 35 | 124 | } | |
| 36 | |||
| 37 | protected: | ||
| 38 | rts::zlib::stream strm_; | ||
| 39 | |||
| 40 | static | ||
| 41 | unsigned int | ||
| 42 | 245988 | saturate_cast(std::size_t n) noexcept | |
| 43 | { | ||
| 44 |
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245988 | if(n >= std::numeric_limits<unsigned int>::max()) |
| 45 | ✗ | return std::numeric_limits<unsigned int>::max(); | |
| 46 | 245988 | return static_cast<unsigned int>(n); | |
| 47 | } | ||
| 48 | |||
| 49 | private: | ||
| 50 | static | ||
| 51 | void* | ||
| 52 | 368 | zalloc( | |
| 53 | void* opaque, | ||
| 54 | unsigned items, | ||
| 55 | unsigned size) noexcept | ||
| 56 | { | ||
| 57 | return reinterpret_cast<workspace*>(opaque) | ||
| 58 | 368 | ->try_reserve_front(items * size); | |
| 59 | } | ||
| 60 | |||
| 61 | static | ||
| 62 | void | ||
| 63 | ✗ | zfree( | |
| 64 | void* /* opaque */, | ||
| 65 | void* /* addr */) noexcept | ||
| 66 | { | ||
| 67 | // no-op | ||
| 68 | ✗ | } | |
| 69 | }; | ||
| 70 | |||
| 71 | } // detail | ||
| 72 | } // http_proto | ||
| 73 | } // boost | ||
| 74 | |||
| 75 | #endif | ||
| 76 |