projects / ceph.git / blame
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|---|---|---|
| 92f5a8d4 TL |
1 | // |
| 2 | // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com) | |
| 3 | // | |
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying | |
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 6 | // | |
| 7 | // Official repository: https://github.com/boostorg/beast | |
| 8 | // | |
| 9 | ||
| 10 | #ifndef BOOST_BEAST_HTTP_IMPL_BASIC_PARSER_HPP | |
| 11 | #define BOOST_BEAST_HTTP_IMPL_BASIC_PARSER_HPP | |
| 12 | ||
| 13 | #include <boost/beast/core/buffer_traits.hpp> | |
| 14 | #include <boost/asio/buffer.hpp> | |
| 15 | #include <boost/make_unique.hpp> | |
| 16 | ||
| 17 | namespace boost { | |
| 18 | namespace beast { | |
| 19 | namespace http { | |
| 20 | ||
| 21 | template<bool isRequest> | |
| 22 | template<class ConstBufferSequence> | |
| 23 | std::size_t | |
| 24 | basic_parser<isRequest>:: | |
| 25 | put(ConstBufferSequence const& buffers, | |
| 26 | error_code& ec) | |
| 27 | { | |
| 28 | static_assert(net::is_const_buffer_sequence< | |
| 29 | ConstBufferSequence>::value, | |
| 30 | "ConstBufferSequence type requirements not met"); | |
| 31 | auto const p = net::buffer_sequence_begin(buffers); | |
| 32 | auto const last = net::buffer_sequence_end(buffers); | |
| 33 | if(p == last) | |
| 34 | { | |
| 35 | ec = {}; | |
| 36 | return 0; | |
| 37 | } | |
| 38 | if(std::next(p) == last) | |
| 39 | { | |
| 40 | // single buffer | |
| 41 | return put(net::const_buffer(*p), ec); | |
| 42 | } | |
| 43 | auto const size = buffer_bytes(buffers); | |
| 44 | if(size <= max_stack_buffer) | |
| 45 | return put_from_stack(size, buffers, ec); | |
| 46 | if(size > buf_len_) | |
| 47 | { | |
| 48 | // reallocate | |
| 49 | buf_ = boost::make_unique_noinit<char[]>(size); | |
| 50 | buf_len_ = size; | |
| 51 | } | |
| 52 | // flatten | |
| 53 | net::buffer_copy(net::buffer( | |
| 54 | buf_.get(), size), buffers); | |
| 55 | return put(net::const_buffer{ | |
| 56 | buf_.get(), size}, ec); | |
| 57 | } | |
| 58 | ||
| f67539c2 TL |
59 | template<bool isRequest> |
| 60 | boost::optional<std::uint64_t> | |
| 61 | basic_parser<isRequest>:: | |
| 62 | content_length_unchecked() const | |
| 63 | { | |
| 64 | if(f_ & flagContentLength) | |
| 65 | return len0_; | |
| 66 | return boost::none; | |
| 67 | } | |
| 68 | ||
| 92f5a8d4 TL |
69 | template<bool isRequest> |
| 70 | template<class ConstBufferSequence> | |
| 71 | std::size_t | |
| 72 | basic_parser<isRequest>:: | |
| 73 | put_from_stack(std::size_t size, | |
| 74 | ConstBufferSequence const& buffers, | |
| 75 | error_code& ec) | |
| 76 | { | |
| 77 | char buf[max_stack_buffer]; | |
| 78 | net::buffer_copy(net::mutable_buffer( | |
| 79 | buf, sizeof(buf)), buffers); | |
| 80 | return put(net::const_buffer{ | |
| 81 | buf, size}, ec); | |
| 82 | } | |
| 83 | ||
| 84 | } // http | |
| 85 | } // beast | |
| 86 | } // boost | |
| 87 | ||
| 88 | #endif |