GCC Code Coverage Report

Directory: libs/http_proto/include/boost/http_proto/
File: boost/http_proto/metadata.hpp
Date: 2023-02-11 03:18:39
Exec Total Coverage
Lines: 26 26 100.0%
Functions: 11 11 100.0%
Branches: 0 0 -%
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_METADATA_HPP
11 #define BOOST_HTTP_PROTO_METADATA_HPP
12
13 #include <boost/http_proto/detail/config.hpp>
14 #include <boost/http_proto/error_types.hpp>
15 #include <boost/http_proto/error.hpp> // VFALCO TEMPORARY
16 #include <cstdint>
17 #include <cstdlib>
18
19 namespace boost {
20 namespace http_proto {
21
22 //------------------------------------------------
23
24 /** Identifies the payload type of a message
25 */
26 enum class payload
27 {
28 // VFALCO 3 space indent or
29 // else Doxygen malfunctions
30
31 /**
32 * This message has no payload
33 */
34 none
35
36 /**
37 * The payload is unknown due to errors
38 */
39 ,error
40
41 /**
42 * This message has a known payload size
43
44 The function @ref message_view_base::payload_size
45 may be used to obtain the exact number of
46 octets in the actual payload.
47 */
48 ,size
49
50 /**
51 * This message contains a chunked payload
52 */
53 ,chunked
54
55 /**
56 * The payload for this message continues until EOF
57 */
58 ,to_eof
59 };
60
61 //------------------------------------------------
62
63 /** Metadata about a request or response
64 */
65 struct metadata
66 {
67 /** Metadata for the Connection field
68 */
69 struct connection_t
70 {
71 /** Error status of Connection
72 */
73 error_code ec;
74
75 /** The total number of fields
76 */
77 std::size_t count = 0;
78
79 /** true if a close token is present
80 */
81 bool close = false;
82
83 /** true if a keep-alive token is present
84 */
85 bool keep_alive = false;
86
87 /** true if an upgrade token is present
88 */
89 bool upgrade = false;
90
91 #ifdef BOOST_HTTP_PROTO_AGGREGATE_WORKAROUND
92 constexpr
93 1980 connection_t() = default;
94
95 constexpr
96 15 connection_t(
97 error_code ec_,
98 std::size_t count_,
99 bool close_,
100 bool keep_alive_,
101 bool upgrade_) noexcept
102 15 : ec(ec_)
103 , count(count_)
104 , close(close_)
105 , keep_alive(keep_alive_)
106 15 , upgrade(upgrade_)
107 {
108 15 }
109 #endif
110 };
111
112 //--------------------------------------------
113
114 /** Metadata for the Content-Length field
115 */
116 struct content_length_t
117 {
118 /** Error status of Content-Length
119 */
120 error_code ec;
121
122 /** The total number of fields
123 */
124 std::size_t count = 0;
125
126 /** The value as an integer
127
128 This is only valid when ec does
129 not hold a failure, and when
130 count is greater than zero.
131 */
132 std::uint64_t value = 0;
133
134 #ifdef BOOST_HTTP_PROTO_AGGREGATE_WORKAROUND
135 constexpr
136 1972 content_length_t() = default;
137
138 constexpr
139 11 content_length_t(
140 error_code ec_,
141 std::size_t count_,
142 std::uint64_t value_) noexcept
143 11 : ec(ec_)
144 , count(count_)
145 11 , value(value_)
146 {
147 11 }
148 #endif
149 };
150
151 //--------------------------------------------
152
153 /** Metadata for the Expect field
154 */
155 struct expect_t
156 {
157 /** Error status of Expect
158 */
159 error_code ec;
160
161 /** The total number of fields
162 */
163 std::size_t count = 0;
164
165 /** True if Expect is 100-continue
166 */
167 bool is_100_continue = false;
168
169 #ifdef BOOST_HTTP_PROTO_AGGREGATE_WORKAROUND
170 constexpr
171 1978 expect_t() = default;
172
173 constexpr
174 14 expect_t(
175 error_code ec_,
176 std::size_t count_,
177 bool is_100_continue_) noexcept
178 14 : ec(ec_)
179 , count(count_)
180 14 , is_100_continue(is_100_continue_)
181 {
182 14 }
183 #endif
184 };
185
186 //--------------------------------------------
187
188 /** Metadata for the Transfer-Encoding field
189 */
190 struct transfer_encoding_t
191 {
192 /** Error status of Content-Length
193 */
194 error_code ec;
195
196 /** The total number of fields
197 */
198 std::size_t count = 0;
199
200 /** The total number of codings
201 */
202 std::size_t codings = 0;
203
204 /** True if valid and chunked is specified last
205 */
206 bool is_chunked = false;
207
208 #ifdef BOOST_HTTP_PROTO_AGGREGATE_WORKAROUND
209 constexpr
210 2017 transfer_encoding_t() = default;
211
212 constexpr
213 20 transfer_encoding_t(
214 error_code ec_,
215 std::size_t count_,
216 std::size_t codings_,
217 bool is_chunked_) noexcept
218 20 : ec(ec_)
219 , count(count_)
220 , codings(codings_)
221 20 , is_chunked(is_chunked_)
222 {
223 20 }
224 #endif
225 };
226
227 //--------------------------------------------
228
229 /** Metadata for Upgrade field
230 */
231 struct upgrade_t
232 {
233 /** Error status of Upgrade
234 */
235 error_code ec;
236
237 /** The total number of fields
238 */
239 std::size_t count = 0;
240
241 /** True if websocket appears at least once
242 */
243 bool websocket = false;
244
245 #ifdef BOOST_HTTP_PROTO_AGGREGATE_WORKAROUND
246 constexpr
247 1973 upgrade_t() = default;
248
249 constexpr
250 15 upgrade_t(
251 error_code ec_,
252 std::size_t count_,
253 bool websocket_) noexcept
254 15 : ec(ec_)
255 , count(count_)
256 15 , websocket(websocket_)
257 {
258 15 }
259 #endif
260 };
261
262 //--------------------------------------------
263
264 /** True if payload is manually specified
265
266 This flag is used to allow the caller
267 to resolve problems with non-compliant
268 values for Content-Length.
269 */
270 bool payload_override = false;
271
272 /** The type of payload
273 */
274 http_proto::payload payload =
275 http_proto::payload::none;
276
277 /** The size of the payload if known
278
279 This is only valid when @ref payload
280 equals @ref http_proto::payload::size.
281 */
282 std::uint64_t payload_size = 0;
283
284 //--------------------------------------------
285
286 // header metadata
287
288 /** Metadata for the Connection field.
289 */
290 connection_t connection;
291
292 /** Metadata for the Content-Length field.
293 */
294 content_length_t content_length;
295
296 /** Metadata for the Expect field.
297 */
298 expect_t expect;
299
300 /** Metadata for the Transfer-Encoding field.
301 */
302 transfer_encoding_t transfer_encoding;
303
304 /** Metadata for the Upgrade field.
305 */
306 upgrade_t upgrade;
307
308 //--------------------------------------------
309
310 /** Constructor
311 */
312 1968 constexpr metadata() = default;
313 };
314
315 } // http_proto
316 } // boost
317
318 #endif
319