ceph/src/boost/libs/asio/test/buffered_read_stream.cpp

   1 //
   2 // buffered_read_stream.cpp
   3 // ~~~~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2022 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_read_stream.hpp>
  18
  19 #include <cstring>
  20 #include "archetypes/async_result.hpp"
  21 #include <boost/asio/buffer.hpp>
  22 #include <boost/asio/io_context.hpp>
  23 #include <boost/asio/ip/tcp.hpp>
  24 #include <boost/system/system_error.hpp>
  25 #include "unit_test.hpp"
  26
  27 #if defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  28 # include <boost/array.hpp>
  29 #else // defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  30 # include <array>
  31 #endif // defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  32
  33 #if defined(BOOST_ASIO_HAS_BOOST_BIND)
  34 # include <boost/bind/bind.hpp>
  35 #else // defined(BOOST_ASIO_HAS_BOOST_BIND)
  36 # include <functional>
  37 #endif // defined(BOOST_ASIO_HAS_BOOST_BIND)
  38
  39 typedef boost::asio::buffered_read_stream<
  40     boost::asio::ip::tcp::socket> stream_type;
  41
  42 void write_some_handler(const boost::system::error_code&, std::size_t)
  43 {
  44 }
  45
  46 void fill_handler(const boost::system::error_code&, std::size_t)
  47 {
  48 }
  49
  50 void read_some_handler(const boost::system::error_code&, std::size_t)
  51 {
  52 }
  53
  54 void test_compile()
  55 {
  56 #if defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  57   using boost::array;
  58 #else // defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  59   using std::array;
  60 #endif // defined(BOOST_ASIO_HAS_BOOST_ARRAY)
  61
  62   using namespace boost::asio;
  63
  64   try
  65   {
  66     io_context ioc;
  67     char mutable_char_buffer[128] = "";
  68     const char const_char_buffer[128] = "";
  69     array<boost::asio::mutable_buffer, 2> mutable_buffers = {{
  70         boost::asio::buffer(mutable_char_buffer, 10),
  71         boost::asio::buffer(mutable_char_buffer + 10, 10) }};
  72     array<boost::asio::const_buffer, 2> const_buffers = {{
  73         boost::asio::buffer(const_char_buffer, 10),
  74         boost::asio::buffer(const_char_buffer + 10, 10) }};
  75     archetypes::lazy_handler lazy;
  76     boost::system::error_code ec;
  77
  78     stream_type stream1(ioc);
  79     stream_type stream2(ioc, 1024);
  80
  81     stream_type::executor_type ex = stream1.get_executor();
  82     (void)ex;
  83
  84     stream_type::lowest_layer_type& lowest_layer = stream1.lowest_layer();
  85     (void)lowest_layer;
  86
  87     stream1.write_some(buffer(mutable_char_buffer));
  88     stream1.write_some(buffer(const_char_buffer));
  89     stream1.write_some(mutable_buffers);
  90     stream1.write_some(const_buffers);
  91     stream1.write_some(null_buffers());
  92     stream1.write_some(buffer(mutable_char_buffer), ec);
  93     stream1.write_some(buffer(const_char_buffer), ec);
  94     stream1.write_some(mutable_buffers, ec);
  95     stream1.write_some(const_buffers, ec);
  96     stream1.write_some(null_buffers(), ec);
  97
  98     stream1.async_write_some(buffer(mutable_char_buffer), &write_some_handler);
  99     stream1.async_write_some(buffer(const_char_buffer), &write_some_handler);
 100     stream1.async_write_some(mutable_buffers, &write_some_handler);
 101     stream1.async_write_some(const_buffers, &write_some_handler);
 102     stream1.async_write_some(null_buffers(), &write_some_handler);
 103     int i1 = stream1.async_write_some(buffer(mutable_char_buffer), lazy);
 104     (void)i1;
 105     int i2 = stream1.async_write_some(buffer(const_char_buffer), lazy);
 106     (void)i2;
 107     int i3 = stream1.async_write_some(mutable_buffers, lazy);
 108     (void)i3;
 109     int i4 = stream1.async_write_some(const_buffers, lazy);
 110     (void)i4;
 111     int i5 = stream1.async_write_some(null_buffers(), lazy);
 112     (void)i5;
 113
 114     stream1.fill();
 115     stream1.fill(ec);
 116
 117     stream1.async_fill(&fill_handler);
 118     int i6 = stream1.async_fill(lazy);
 119     (void)i6;
 120
 121     stream1.read_some(buffer(mutable_char_buffer));
 122     stream1.read_some(mutable_buffers);
 123     stream1.read_some(null_buffers());
 124     stream1.read_some(buffer(mutable_char_buffer), ec);
 125     stream1.read_some(mutable_buffers, ec);
 126     stream1.read_some(null_buffers(), ec);
 127
 128     stream1.async_read_some(buffer(mutable_char_buffer), &read_some_handler);
 129     stream1.async_read_some(mutable_buffers, &read_some_handler);
 130     stream1.async_read_some(null_buffers(), &read_some_handler);
 131     int i7 = stream1.async_read_some(buffer(mutable_char_buffer), lazy);
 132     (void)i7;
 133     int i8 = stream1.async_read_some(mutable_buffers, lazy);
 134     (void)i8;
 135     int i9 = stream1.async_read_some(null_buffers(), lazy);
 136     (void)i9;
 137   }
 138   catch (std::exception&)
 139   {
 140   }
 141 }
 142
 143 void test_sync_operations()
 144 {
 145   using namespace std; // For memcmp.
 146
 147   boost::asio::io_context io_context;
 148
 149   boost::asio::ip::tcp::acceptor acceptor(io_context,
 150       boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), 0));
 151   boost::asio::ip::tcp::endpoint server_endpoint = acceptor.local_endpoint();
 152   server_endpoint.address(boost::asio::ip::address_v4::loopback());
 153
 154   stream_type client_socket(io_context);
 155   client_socket.lowest_layer().connect(server_endpoint);
 156
 157   stream_type server_socket(io_context);
 158   acceptor.accept(server_socket.lowest_layer());
 159
 160   const char write_data[]
 161     = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 162   const boost::asio::const_buffer write_buf = boost::asio::buffer(write_data);
 163
 164   std::size_t bytes_written = 0;
 165   while (bytes_written < sizeof(write_data))
 166   {
 167     bytes_written += client_socket.write_some(
 168         boost::asio::buffer(write_buf + bytes_written));
 169   }
 170
 171   char read_data[sizeof(write_data)];
 172   const boost::asio::mutable_buffer read_buf = boost::asio::buffer(read_data);
 173
 174   std::size_t bytes_read = 0;
 175   while (bytes_read < sizeof(read_data))
 176   {
 177     bytes_read += server_socket.read_some(
 178         boost::asio::buffer(read_buf + bytes_read));
 179   }
 180
 181   BOOST_ASIO_CHECK(bytes_written == sizeof(write_data));
 182   BOOST_ASIO_CHECK(bytes_read == sizeof(read_data));
 183   BOOST_ASIO_CHECK(memcmp(write_data, read_data, sizeof(write_data)) == 0);
 184
 185   bytes_written = 0;
 186   while (bytes_written < sizeof(write_data))
 187   {
 188     bytes_written += server_socket.write_some(
 189         boost::asio::buffer(write_buf + bytes_written));
 190   }
 191
 192   bytes_read = 0;
 193   while (bytes_read < sizeof(read_data))
 194   {
 195     bytes_read += client_socket.read_some(
 196         boost::asio::buffer(read_buf + bytes_read));
 197   }
 198
 199   BOOST_ASIO_CHECK(bytes_written == sizeof(write_data));
 200   BOOST_ASIO_CHECK(bytes_read == sizeof(read_data));
 201   BOOST_ASIO_CHECK(memcmp(write_data, read_data, sizeof(write_data)) == 0);
 202
 203   server_socket.close();
 204   boost::system::error_code error;
 205   bytes_read = client_socket.read_some(
 206       boost::asio::buffer(read_buf), error);
 207
 208   BOOST_ASIO_CHECK(bytes_read == 0);
 209   BOOST_ASIO_CHECK(error == boost::asio::error::eof);
 210
 211   client_socket.close(error);
 212 }
 213
 214 void handle_accept(const boost::system::error_code& e)
 215 {
 216   BOOST_ASIO_CHECK(!e);
 217 }
 218
 219 void handle_write(const boost::system::error_code& e,
 220     std::size_t bytes_transferred,
 221     std::size_t* total_bytes_written)
 222 {
 223   BOOST_ASIO_CHECK(!e);
 224   if (e)
 225     throw boost::system::system_error(e); // Terminate test.
 226   *total_bytes_written += bytes_transferred;
 227 }
 228
 229 void handle_read(const boost::system::error_code& e,
 230     std::size_t bytes_transferred,
 231     std::size_t* total_bytes_read)
 232 {
 233   BOOST_ASIO_CHECK(!e);
 234   if (e)
 235     throw boost::system::system_error(e); // Terminate test.
 236   *total_bytes_read += bytes_transferred;
 237 }
 238
 239 void handle_read_eof(const boost::system::error_code& e,
 240     std::size_t bytes_transferred)
 241 {
 242   BOOST_ASIO_CHECK(e == boost::asio::error::eof);
 243   BOOST_ASIO_CHECK(bytes_transferred == 0);
 244 }
 245
 246 void test_async_operations()
 247 {
 248   using namespace std; // For memcmp.
 249
 250 #if defined(BOOST_ASIO_HAS_BOOST_BIND)
 251   namespace bindns = boost;
 252 #else // defined(BOOST_ASIO_HAS_BOOST_BIND)
 253   namespace bindns = std;
 254 #endif // defined(BOOST_ASIO_HAS_BOOST_BIND)
 255   using bindns::placeholders::_1;
 256   using bindns::placeholders::_2;
 257
 258   boost::asio::io_context io_context;
 259
 260   boost::asio::ip::tcp::acceptor acceptor(io_context,
 261       boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), 0));
 262   boost::asio::ip::tcp::endpoint server_endpoint = acceptor.local_endpoint();
 263   server_endpoint.address(boost::asio::ip::address_v4::loopback());
 264
 265   stream_type client_socket(io_context);
 266   client_socket.lowest_layer().connect(server_endpoint);
 267
 268   stream_type server_socket(io_context);
 269   acceptor.async_accept(server_socket.lowest_layer(), &handle_accept);
 270   io_context.run();
 271   io_context.restart();
 272
 273   const char write_data[]
 274     = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 275   const boost::asio::const_buffer write_buf = boost::asio::buffer(write_data);
 276
 277   std::size_t bytes_written = 0;
 278   while (bytes_written < sizeof(write_data))
 279   {
 280     client_socket.async_write_some(
 281         boost::asio::buffer(write_buf + bytes_written),
 282         bindns::bind(handle_write, _1, _2, &bytes_written));
 283     io_context.run();
 284     io_context.restart();
 285   }
 286
 287   char read_data[sizeof(write_data)];
 288   const boost::asio::mutable_buffer read_buf = boost::asio::buffer(read_data);
 289
 290   std::size_t bytes_read = 0;
 291   while (bytes_read < sizeof(read_data))
 292   {
 293     server_socket.async_read_some(
 294         boost::asio::buffer(read_buf + bytes_read),
 295         bindns::bind(handle_read, _1, _2, &bytes_read));
 296     io_context.run();
 297     io_context.restart();
 298   }
 299
 300   BOOST_ASIO_CHECK(bytes_written == sizeof(write_data));
 301   BOOST_ASIO_CHECK(bytes_read == sizeof(read_data));
 302   BOOST_ASIO_CHECK(memcmp(write_data, read_data, sizeof(write_data)) == 0);
 303
 304   bytes_written = 0;
 305   while (bytes_written < sizeof(write_data))
 306   {
 307     server_socket.async_write_some(
 308         boost::asio::buffer(write_buf + bytes_written),
 309         bindns::bind(handle_write, _1, _2, &bytes_written));
 310     io_context.run();
 311     io_context.restart();
 312   }
 313
 314   bytes_read = 0;
 315   while (bytes_read < sizeof(read_data))
 316   {
 317     client_socket.async_read_some(
 318         boost::asio::buffer(read_buf + bytes_read),
 319         bindns::bind(handle_read, _1, _2, &bytes_read));
 320     io_context.run();
 321     io_context.restart();
 322   }
 323
 324   BOOST_ASIO_CHECK(bytes_written == sizeof(write_data));
 325   BOOST_ASIO_CHECK(bytes_read == sizeof(read_data));
 326   BOOST_ASIO_CHECK(memcmp(write_data, read_data, sizeof(write_data)) == 0);
 327
 328   server_socket.close();
 329   client_socket.async_read_some(boost::asio::buffer(read_buf), handle_read_eof);
 330 }
 331
 332 BOOST_ASIO_TEST_SUITE
 333 (
 334   "buffered_read_stream",
 335   BOOST_ASIO_TEST_CASE(test_compile)
 336   BOOST_ASIO_TEST_CASE(test_sync_operations)
 337   BOOST_ASIO_TEST_CASE(test_async_operations)
 338 )