1 | // |
2 | // buffered_stream.cpp |
3 | // ~~~~~~~~~~~~~~~~~~~ |
4 | // |
5 | // Copyright (c) 2003-2024 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
6 | // |
7 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
8 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
9 | // |
10 | |
11 | // Disable autolinking for unit tests. |
12 | #if !defined(BOOST_ALL_NO_LIB) |
13 | #define BOOST_ALL_NO_LIB 1 |
14 | #endif // !defined(BOOST_ALL_NO_LIB) |
15 | |
16 | // Test that header file is self-contained. |
17 | #include <boost/asio/buffered_stream.hpp> |
18 | |
19 | #include <cstring> |
20 | #include <functional> |
21 | #include "archetypes/async_result.hpp" |
22 | #include <boost/asio/buffer.hpp> |
23 | #include <boost/asio/io_context.hpp> |
24 | #include <boost/asio/ip/tcp.hpp> |
25 | #include <boost/system/system_error.hpp> |
26 | #include "unit_test.hpp" |
27 | |
28 | #if defined(BOOST_ASIO_HAS_BOOST_ARRAY) |
29 | # include <boost/array.hpp> |
30 | #else // defined(BOOST_ASIO_HAS_BOOST_ARRAY) |
31 | # include <array> |
32 | #endif // defined(BOOST_ASIO_HAS_BOOST_ARRAY) |
33 | |
34 | typedef boost::asio::buffered_stream< |
35 | boost::asio::ip::tcp::socket> stream_type; |
36 | |
37 | void write_some_handler(const boost::system::error_code&, std::size_t) |
38 | { |
39 | } |
40 | |
41 | void flush_handler(const boost::system::error_code&, std::size_t) |
42 | { |
43 | } |
44 | |
45 | void fill_handler(const boost::system::error_code&, std::size_t) |
46 | { |
47 | } |
48 | |
49 | void read_some_handler(const boost::system::error_code&, std::size_t) |
50 | { |
51 | } |
52 | |
53 | void test_compile() |
54 | { |
55 | #if defined(BOOST_ASIO_HAS_BOOST_ARRAY) |
56 | using boost::array; |
57 | #else // defined(BOOST_ASIO_HAS_BOOST_ARRAY) |
58 | using std::array; |
59 | #endif // defined(BOOST_ASIO_HAS_BOOST_ARRAY) |
60 | |
61 | using namespace boost::asio; |
62 | |
63 | try |
64 | { |
65 | io_context ioc; |
66 | char mutable_char_buffer[128] = "" ; |
67 | const char const_char_buffer[128] = "" ; |
68 | array<boost::asio::mutable_buffer, 2> mutable_buffers = {.elems: { |
69 | boost::asio::buffer(data&: mutable_char_buffer, max_size_in_bytes: 10), |
70 | boost::asio::buffer(data: mutable_char_buffer + 10, size_in_bytes: 10) }}; |
71 | array<boost::asio::const_buffer, 2> const_buffers = {.elems: { |
72 | boost::asio::buffer(data: const_char_buffer, max_size_in_bytes: 10), |
73 | boost::asio::buffer(data: const_char_buffer + 10, size_in_bytes: 10) }}; |
74 | archetypes::lazy_handler lazy; |
75 | boost::system::error_code ec; |
76 | |
77 | stream_type stream1(ioc); |
78 | stream_type stream2(ioc, 1024, 1024); |
79 | |
80 | stream_type::executor_type ex = stream1.get_executor(); |
81 | (void)ex; |
82 | |
83 | stream_type::lowest_layer_type& lowest_layer = stream1.lowest_layer(); |
84 | (void)lowest_layer; |
85 | |
86 | stream1.write_some(buffers: buffer(data&: mutable_char_buffer)); |
87 | stream1.write_some(buffers: buffer(data: const_char_buffer)); |
88 | stream1.write_some(buffers: mutable_buffers); |
89 | stream1.write_some(buffers: const_buffers); |
90 | stream1.write_some(buffers: null_buffers()); |
91 | stream1.write_some(buffers: buffer(data&: mutable_char_buffer), ec); |
92 | stream1.write_some(buffers: buffer(data: const_char_buffer), ec); |
93 | stream1.write_some(buffers: mutable_buffers, ec); |
94 | stream1.write_some(buffers: const_buffers, ec); |
95 | stream1.write_some(buffers: null_buffers(), ec); |
96 | |
97 | stream1.async_write_some(buffers: buffer(data&: mutable_char_buffer), handler: &write_some_handler); |
98 | stream1.async_write_some(buffers: buffer(data: const_char_buffer), handler: &write_some_handler); |
99 | stream1.async_write_some(buffers: mutable_buffers, handler: &write_some_handler); |
100 | stream1.async_write_some(buffers: const_buffers, handler: &write_some_handler); |
101 | stream1.async_write_some(buffers: null_buffers(), handler: &write_some_handler); |
102 | int i1 = stream1.async_write_some(buffers: buffer(data&: mutable_char_buffer), handler&: lazy); |
103 | (void)i1; |
104 | int i2 = stream1.async_write_some(buffers: buffer(data: const_char_buffer), handler&: lazy); |
105 | (void)i2; |
106 | int i3 = stream1.async_write_some(buffers: mutable_buffers, handler&: lazy); |
107 | (void)i3; |
108 | int i4 = stream1.async_write_some(buffers: const_buffers, handler&: lazy); |
109 | (void)i4; |
110 | int i5 = stream1.async_write_some(buffers: null_buffers(), handler&: lazy); |
111 | (void)i5; |
112 | |
113 | stream1.flush(); |
114 | stream1.flush(ec); |
115 | |
116 | stream1.async_flush(handler: &flush_handler); |
117 | int i6 = stream1.async_flush(handler&: lazy); |
118 | (void)i6; |
119 | |
120 | stream1.fill(); |
121 | stream1.fill(ec); |
122 | |
123 | stream1.async_fill(handler: &fill_handler); |
124 | int i7 = stream1.async_fill(handler&: lazy); |
125 | (void)i7; |
126 | |
127 | stream1.read_some(buffers: buffer(data&: mutable_char_buffer)); |
128 | stream1.read_some(buffers: mutable_buffers); |
129 | stream1.read_some(buffers: null_buffers()); |
130 | stream1.read_some(buffers: buffer(data&: mutable_char_buffer), ec); |
131 | stream1.read_some(buffers: mutable_buffers, ec); |
132 | stream1.read_some(buffers: null_buffers(), ec); |
133 | |
134 | stream1.async_read_some(buffers: buffer(data&: mutable_char_buffer), handler: &read_some_handler); |
135 | stream1.async_read_some(buffers: mutable_buffers, handler: &read_some_handler); |
136 | stream1.async_read_some(buffers: null_buffers(), handler: &read_some_handler); |
137 | int i8 = stream1.async_read_some(buffers: buffer(data&: mutable_char_buffer), handler&: lazy); |
138 | (void)i8; |
139 | int i9 = stream1.async_read_some(buffers: mutable_buffers, handler&: lazy); |
140 | (void)i9; |
141 | int i10 = stream1.async_read_some(buffers: null_buffers(), handler&: lazy); |
142 | (void)i10; |
143 | } |
144 | catch (std::exception&) |
145 | { |
146 | } |
147 | } |
148 | |
149 | void test_sync_operations() |
150 | { |
151 | using namespace std; // For memcmp. |
152 | |
153 | boost::asio::io_context io_context; |
154 | |
155 | boost::asio::ip::tcp::acceptor acceptor(io_context, |
156 | boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), 0)); |
157 | boost::asio::ip::tcp::endpoint server_endpoint = acceptor.local_endpoint(); |
158 | server_endpoint.address(addr: boost::asio::ip::address_v4::loopback()); |
159 | |
160 | stream_type client_socket(io_context); |
161 | client_socket.lowest_layer().connect(peer_endpoint: server_endpoint); |
162 | |
163 | stream_type server_socket(io_context); |
164 | acceptor.accept(peer&: server_socket.lowest_layer()); |
165 | |
166 | const char write_data[] |
167 | = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" ; |
168 | const boost::asio::const_buffer write_buf = boost::asio::buffer(data: write_data); |
169 | |
170 | std::size_t bytes_written = 0; |
171 | while (bytes_written < sizeof(write_data)) |
172 | { |
173 | bytes_written += client_socket.write_some( |
174 | buffers: boost::asio::buffer(b: write_buf + bytes_written)); |
175 | client_socket.flush(); |
176 | } |
177 | |
178 | char read_data[sizeof(write_data)]; |
179 | const boost::asio::mutable_buffer read_buf = boost::asio::buffer(data&: read_data); |
180 | |
181 | std::size_t bytes_read = 0; |
182 | while (bytes_read < sizeof(read_data)) |
183 | { |
184 | bytes_read += server_socket.read_some( |
185 | buffers: boost::asio::buffer(b: read_buf + bytes_read)); |
186 | } |
187 | |
188 | BOOST_ASIO_CHECK(bytes_written == sizeof(write_data)); |
189 | BOOST_ASIO_CHECK(bytes_read == sizeof(read_data)); |
190 | BOOST_ASIO_CHECK(memcmp(write_data, read_data, sizeof(write_data)) == 0); |
191 | |
192 | bytes_written = 0; |
193 | while (bytes_written < sizeof(write_data)) |
194 | { |
195 | bytes_written += server_socket.write_some( |
196 | buffers: boost::asio::buffer(b: write_buf + bytes_written)); |
197 | server_socket.flush(); |
198 | } |
199 | |
200 | bytes_read = 0; |
201 | while (bytes_read < sizeof(read_data)) |
202 | { |
203 | bytes_read += client_socket.read_some( |
204 | buffers: boost::asio::buffer(b: read_buf + bytes_read)); |
205 | } |
206 | |
207 | BOOST_ASIO_CHECK(bytes_written == sizeof(write_data)); |
208 | BOOST_ASIO_CHECK(bytes_read == sizeof(read_data)); |
209 | BOOST_ASIO_CHECK(memcmp(write_data, read_data, sizeof(write_data)) == 0); |
210 | |
211 | server_socket.close(); |
212 | boost::system::error_code error; |
213 | bytes_read = client_socket.read_some( |
214 | buffers: boost::asio::buffer(b: read_buf), ec&: error); |
215 | |
216 | BOOST_ASIO_CHECK(bytes_read == 0); |
217 | BOOST_ASIO_CHECK(error == boost::asio::error::eof); |
218 | |
219 | client_socket.close(ec&: error); |
220 | } |
221 | |
222 | void handle_accept(const boost::system::error_code& e) |
223 | { |
224 | BOOST_ASIO_CHECK(!e); |
225 | } |
226 | |
227 | void handle_write(const boost::system::error_code& e, |
228 | std::size_t bytes_transferred, |
229 | std::size_t* total_bytes_written) |
230 | { |
231 | BOOST_ASIO_CHECK(!e); |
232 | if (e) |
233 | throw boost::system::system_error(e); // Terminate test. |
234 | *total_bytes_written += bytes_transferred; |
235 | } |
236 | |
237 | void handle_flush(const boost::system::error_code& e) |
238 | { |
239 | BOOST_ASIO_CHECK(!e); |
240 | } |
241 | |
242 | void handle_read(const boost::system::error_code& e, |
243 | std::size_t bytes_transferred, |
244 | std::size_t* total_bytes_read) |
245 | { |
246 | BOOST_ASIO_CHECK(!e); |
247 | if (e) |
248 | throw boost::system::system_error(e); // Terminate test. |
249 | *total_bytes_read += bytes_transferred; |
250 | } |
251 | |
252 | void handle_read_eof(const boost::system::error_code& e, |
253 | std::size_t bytes_transferred) |
254 | { |
255 | BOOST_ASIO_CHECK(e == boost::asio::error::eof); |
256 | BOOST_ASIO_CHECK(bytes_transferred == 0); |
257 | } |
258 | |
259 | void test_async_operations() |
260 | { |
261 | using namespace std; // For memcmp. |
262 | |
263 | namespace bindns = std; |
264 | using bindns::placeholders::_1; |
265 | using bindns::placeholders::_2; |
266 | |
267 | boost::asio::io_context io_context; |
268 | |
269 | boost::asio::ip::tcp::acceptor acceptor(io_context, |
270 | boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), 0)); |
271 | boost::asio::ip::tcp::endpoint server_endpoint = acceptor.local_endpoint(); |
272 | server_endpoint.address(addr: boost::asio::ip::address_v4::loopback()); |
273 | |
274 | stream_type client_socket(io_context); |
275 | client_socket.lowest_layer().connect(peer_endpoint: server_endpoint); |
276 | |
277 | stream_type server_socket(io_context); |
278 | acceptor.async_accept(peer&: server_socket.lowest_layer(), token: &handle_accept); |
279 | io_context.run(); |
280 | io_context.restart(); |
281 | |
282 | const char write_data[] |
283 | = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" ; |
284 | const boost::asio::const_buffer write_buf = boost::asio::buffer(data: write_data); |
285 | |
286 | std::size_t bytes_written = 0; |
287 | while (bytes_written < sizeof(write_data)) |
288 | { |
289 | client_socket.async_write_some( |
290 | buffers: boost::asio::buffer(b: write_buf + bytes_written), |
291 | handler: bindns::bind(f&: handle_write, args: _1, args: _2, args: &bytes_written)); |
292 | io_context.run(); |
293 | io_context.restart(); |
294 | client_socket.async_flush( |
295 | handler: bindns::bind(f&: handle_flush, args: _1)); |
296 | io_context.run(); |
297 | io_context.restart(); |
298 | } |
299 | |
300 | char read_data[sizeof(write_data)]; |
301 | const boost::asio::mutable_buffer read_buf = boost::asio::buffer(data&: read_data); |
302 | |
303 | std::size_t bytes_read = 0; |
304 | while (bytes_read < sizeof(read_data)) |
305 | { |
306 | server_socket.async_read_some( |
307 | buffers: boost::asio::buffer(b: read_buf + bytes_read), |
308 | handler: bindns::bind(f&: handle_read, args: _1, args: _2, args: &bytes_read)); |
309 | io_context.run(); |
310 | io_context.restart(); |
311 | } |
312 | |
313 | BOOST_ASIO_CHECK(bytes_written == sizeof(write_data)); |
314 | BOOST_ASIO_CHECK(bytes_read == sizeof(read_data)); |
315 | BOOST_ASIO_CHECK(memcmp(write_data, read_data, sizeof(write_data)) == 0); |
316 | |
317 | bytes_written = 0; |
318 | while (bytes_written < sizeof(write_data)) |
319 | { |
320 | server_socket.async_write_some( |
321 | buffers: boost::asio::buffer(b: write_buf + bytes_written), |
322 | handler: bindns::bind(f&: handle_write, args: _1, args: _2, args: &bytes_written)); |
323 | io_context.run(); |
324 | io_context.restart(); |
325 | server_socket.async_flush( |
326 | handler: bindns::bind(f&: handle_flush, args: _1)); |
327 | io_context.run(); |
328 | io_context.restart(); |
329 | } |
330 | |
331 | bytes_read = 0; |
332 | while (bytes_read < sizeof(read_data)) |
333 | { |
334 | client_socket.async_read_some( |
335 | buffers: boost::asio::buffer(b: read_buf + bytes_read), |
336 | handler: bindns::bind(f&: handle_read, args: _1, args: _2, args: &bytes_read)); |
337 | io_context.run(); |
338 | io_context.restart(); |
339 | } |
340 | |
341 | BOOST_ASIO_CHECK(bytes_written == sizeof(write_data)); |
342 | BOOST_ASIO_CHECK(bytes_read == sizeof(read_data)); |
343 | BOOST_ASIO_CHECK(memcmp(write_data, read_data, sizeof(write_data)) == 0); |
344 | |
345 | server_socket.close(); |
346 | client_socket.async_read_some(buffers: boost::asio::buffer(b: read_buf), handler&: handle_read_eof); |
347 | } |
348 | |
349 | BOOST_ASIO_TEST_SUITE |
350 | ( |
351 | "buffered_stream" , |
352 | BOOST_ASIO_COMPILE_TEST_CASE(test_compile) |
353 | BOOST_ASIO_TEST_CASE(test_sync_operations) |
354 | BOOST_ASIO_TEST_CASE(test_async_operations) |
355 | ) |
356 | |