| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | // | ||
| 2 | // Copyright (c) 2021 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/CPPAlliance/http_proto | ||
| 8 | // | ||
| 9 | |||
| 10 | #ifndef BOOST_HTTP_PROTO_IMPL_MESSAGE_BASE_IPP | ||
| 11 | #define BOOST_HTTP_PROTO_IMPL_MESSAGE_BASE_IPP | ||
| 12 | |||
| 13 | #include <boost/http_proto/message_base.hpp> | ||
| 14 | |||
| 15 | namespace boost { | ||
| 16 | namespace http_proto { | ||
| 17 | |||
| 18 | void | ||
| 19 | ✗ | message_base:: | |
| 20 | set_payload_size( | ||
| 21 | std::uint64_t n) | ||
| 22 | { | ||
| 23 | //if(! is_head_response()) | ||
| 24 | if(true) | ||
| 25 | { | ||
| 26 | // comes first for exception safety | ||
| 27 | ✗ | set_content_length(n); | |
| 28 | |||
| 29 | ✗ | set_chunked(false); | |
| 30 | } | ||
| 31 | else | ||
| 32 | { | ||
| 33 | // VFALCO ? | ||
| 34 | } | ||
| 35 | } | ||
| 36 | |||
| 37 | void | ||
| 38 | ✗ | message_base:: | |
| 39 | set_content_length( | ||
| 40 | std::uint64_t n) | ||
| 41 | { | ||
| 42 | ✗ | set(field::content_length, | |
| 43 | ✗ | detail::number_string(n)); | |
| 44 | } | ||
| 45 | |||
| 46 | void | ||
| 47 | ✗ | message_base:: | |
| 48 | set_chunked(bool value) | ||
| 49 | { | ||
| 50 | ✗ | if(value) | |
| 51 | { | ||
| 52 | // set chunked | ||
| 53 | ✗ | if(! h_.md.transfer_encoding.is_chunked ) | |
| 54 | { | ||
| 55 | ✗ | append( | |
| 56 | field::transfer_encoding, | ||
| 57 | "chunked"); | ||
| 58 | ✗ | return; | |
| 59 | } | ||
| 60 | } | ||
| 61 | else | ||
| 62 | { | ||
| 63 | // clear chunked | ||
| 64 | // VFALCO ? | ||
| 65 | } | ||
| 66 | } | ||
| 67 | |||
| 68 | void | ||
| 69 | 12 | message_base:: | |
| 70 | set_keep_alive(bool value) | ||
| 71 | { | ||
| 72 |
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12 | if(ph_->md.connection.ec.failed()) |
| 73 | { | ||
| 74 | // throw? return false? | ||
| 75 | 5 | return; | |
| 76 | } | ||
| 77 | |||
| 78 |
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12 | if(ph_->md.connection.count == 0) |
| 79 | { | ||
| 80 | // no Connection field | ||
| 81 |
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5 | switch(ph_->version) |
| 82 | { | ||
| 83 | 3 | default: | |
| 84 | case version::http_1_1: | ||
| 85 |
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3 | if(! value) |
| 86 |
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2 | set(field::connection, "close"); |
| 87 | 3 | break; | |
| 88 | |||
| 89 | 2 | case version::http_1_0: | |
| 90 |
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2 | if(value) |
| 91 |
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1 | set(field::connection, "keep-alive"); |
| 92 | 2 | break; | |
| 93 | } | ||
| 94 | 5 | return; | |
| 95 | } | ||
| 96 | |||
| 97 | // VFALCO TODO iterate in reverse order, | ||
| 98 | // and cache the last iterator to use | ||
| 99 | // for appending | ||
| 100 | |||
| 101 | // one or more Connection fields | ||
| 102 | 7 | auto it = begin(); | |
| 103 | auto const erase_token = | ||
| 104 | 14 | [&](string_view token) | |
| 105 | { | ||
| 106 |
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14 | while(it != end()) |
| 107 | { | ||
| 108 |
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8 | if(it->id != field::connection) |
| 109 | { | ||
| 110 | ✗ | ++it; | |
| 111 | 4 | continue; | |
| 112 | } | ||
| 113 | auto rv = grammar::parse( | ||
| 114 | 8 | it->value, | |
| 115 |
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16 | list_rule(token_rule, 1)); |
| 116 |
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8 | BOOST_ASSERT(! rv.has_error()); |
| 117 |
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8 | BOOST_ASSERT(! rv->empty()); |
| 118 | 8 | auto itv = rv->begin(); | |
| 119 |
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8 | if(urls::grammar::ci_is_equal( |
| 120 | 8 | *itv, token)) | |
| 121 | { | ||
| 122 |
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4 | if(rv->size() == 1) |
| 123 | { | ||
| 124 | // only one token | ||
| 125 | 3 | it = erase(it); | |
| 126 | } | ||
| 127 | else | ||
| 128 | { | ||
| 129 | // first token matches | ||
| 130 | 1 | ++itv; | |
| 131 |
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1 | set(it, |
| 132 | 1 | it->value.substr( | |
| 133 |
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2 | (*itv).data() - |
| 134 | 1 | it->value.data())); | |
| 135 | 1 | ++it; | |
| 136 | } | ||
| 137 | 4 | continue; | |
| 138 | } | ||
| 139 | // search remaining tokens | ||
| 140 |
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8 | std::string s = *itv++; |
| 141 |
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7 | while(itv != rv->end()) |
| 142 | { | ||
| 143 |
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3 | if(! urls::grammar::ci_is_equal( |
| 144 | 3 | *itv, token)) | |
| 145 |
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1 | s += ", " + std::string(*itv); |
| 146 | 3 | ++itv; | |
| 147 | } | ||
| 148 |
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4 | set(it, s); |
| 149 | 4 | ++it; | |
| 150 | } | ||
| 151 | 6 | }; | |
| 152 |
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7 | if(value) |
| 153 | { | ||
| 154 |
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6 | if(ph_->md.connection.close) |
| 155 |
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5 | erase_token("close"); |
| 156 | } | ||
| 157 | else | ||
| 158 | { | ||
| 159 |
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1 | if(ph_->md.connection.keep_alive) |
| 160 |
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1 | erase_token("keep-alive"); |
| 161 | } | ||
| 162 |
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7 | switch(ph_->version) |
| 163 | { | ||
| 164 | 5 | default: | |
| 165 | case version::http_1_1: | ||
| 166 |
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5 | if(! value) |
| 167 | { | ||
| 168 | // add one "close" token if needed | ||
| 169 | ✗ | if(! ph_->md.connection.close) | |
| 170 | ✗ | append(field::connection, "close"); | |
| 171 | } | ||
| 172 | 5 | break; | |
| 173 | |||
| 174 | 2 | case version::http_1_0: | |
| 175 |
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2 | if(value) |
| 176 | { | ||
| 177 | // add one "keep-alive" token if needed | ||
| 178 |
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1 | if(! ph_->md.connection.keep_alive) |
| 179 | ✗ | append(field::connection, "keep-alive"); | |
| 180 | } | ||
| 181 | 2 | break; | |
| 182 | } | ||
| 183 | } | ||
| 184 | |||
| 185 | //------------------------------------------------ | ||
| 186 | |||
| 187 | char* | ||
| 188 | 256 | message_base:: | |
| 189 | set_prefix_impl( | ||
| 190 | std::size_t n) | ||
| 191 | { | ||
| 192 |
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256 | if( n > h_.prefix || |
| 193 |
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206 | h_.buf == nullptr) |
| 194 | { | ||
| 195 | // allocate or grow | ||
| 196 |
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254 | if( n > h_.prefix && |
| 197 | static_cast<std::size_t>( | ||
| 198 | 50 | n - h_.prefix) > | |
| 199 | 50 | static_cast<std::size_t>( | |
| 200 |
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50 | max_off_t - h_.size)) |
| 201 | 1 | detail::throw_length_error( | |
| 202 | "too large", | ||
| 203 | 1 | BOOST_CURRENT_LOCATION); | |
| 204 | 253 | auto n0 = detail::header::bytes_needed( | |
| 205 | 253 | n + h_.size - h_.prefix, | |
| 206 | 253 | h_.count); | |
| 207 | 253 | auto buf = new char[n0]; | |
| 208 |
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253 | if(h_.buf != nullptr) |
| 209 | { | ||
| 210 | 3 | std::memcpy( | |
| 211 | 3 | buf + n, | |
| 212 | 3 | h_.buf + h_.prefix, | |
| 213 | 3 | h_.size - h_.prefix); | |
| 214 | detail::header::table ft( | ||
| 215 | 3 | h_.buf + h_.cap); | |
| 216 | 3 | h_.copy_table(buf + n0); | |
| 217 |
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3 | delete[] h_.buf; |
| 218 | } | ||
| 219 | else | ||
| 220 | { | ||
| 221 | 250 | std::memcpy( | |
| 222 | 250 | buf + n, | |
| 223 | 250 | h_.cbuf + h_.prefix, | |
| 224 | 250 | h_.size - h_.prefix); | |
| 225 | } | ||
| 226 | 253 | h_.buf = buf; | |
| 227 | 253 | h_.cbuf = buf; | |
| 228 | 253 | h_.size = static_cast< | |
| 229 | 253 | off_t>(h_.size + | |
| 230 | 253 | n - h_.prefix); | |
| 231 | 253 | h_.prefix = static_cast< | |
| 232 | off_t>(n); | ||
| 233 | 253 | h_.cap = n0; | |
| 234 | 253 | return h_.buf; | |
| 235 | } | ||
| 236 | |||
| 237 | // shrink | ||
| 238 | 2 | std::memmove( | |
| 239 | 2 | h_.buf + n, | |
| 240 | 2 | h_.buf + h_.prefix, | |
| 241 | 2 | h_.size - h_.prefix); | |
| 242 | 2 | h_.size = static_cast< | |
| 243 | 2 | off_t>(h_.size - | |
| 244 | 2 | h_.prefix + n); | |
| 245 | 2 | h_.prefix = static_cast< | |
| 246 | off_t>(n); | ||
| 247 | 2 | return h_.buf; | |
| 248 | } | ||
| 249 | |||
| 250 | } // http_proto | ||
| 251 | } // boost | ||
| 252 | |||
| 253 | #endif | ||
| 254 |