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Four new protocol classes have been added: - asio::generic::datagram_protocol - asio::generic::raw_protocol - asio::generic::seq_packet_protocol - asio::generic::stream_protocol These classes implement the Protocol type requirements, but allow the user to specify the address family (e.g. AF_INET) and protocol type (e.g. IPPROTO_TCP) at runtime. A new endpoint class template, asio::generic::basic_endpoint, has been added to support these new protocol classes. This endpoint can hold any other endpoint type, provided its native representation fits into a sockaddr_storage object. When using C++11, it is now possible to perform move construction from a socket (or acceptor) object to convert to the more generic protocol's socket (or acceptor) type. If the protocol conversion is valid: Protocol1 p1 = ...; Protocol2 p2(p1); then the corresponding socket conversion is allowed: Protocol1::socket socket1(io_service); ... Protocol2::socket socket2(std::move(socket1)); For example, one possible conversion is from a TCP socket to a generic stream-oriented socket: asio::ip::tcp::socket socket1(io_service); ... asio::generic::stream_protocol::socket socket2(std::move(socket1)); The conversion is also available for move-assignment. Note that these conversions are not limited to the newly added generic protocol classes. User-defined protocols may take advantage of this feature by similarly ensuring the conversion from Protocol1 to Protocol2 is valid, as above. As a convenience, the socket acceptor's accept() and async_accept() functions have been changed so that they can directly accept into a different protocol's socket type, provided the protocol conversion is valid. For example, the following is now possible: asio::ip::tcp::acceptor acceptor(io_service); ... asio::generic::stream_protocol::socket socket1(io_service); acceptor.accept(socket1); [SVN r84363]
221 lines
6.9 KiB
C++
221 lines
6.9 KiB
C++
//
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// generic/stream_protocol.cpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Disable autolinking for unit tests.
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#if !defined(BOOST_ALL_NO_LIB)
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#define BOOST_ALL_NO_LIB 1
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#endif // !defined(BOOST_ALL_NO_LIB)
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// Test that header file is self-contained.
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#include <boost/asio/generic/stream_protocol.hpp>
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#include <cstring>
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#include <boost/asio/io_service.hpp>
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#include <boost/asio/ip/tcp.hpp>
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#include "../unit_test.hpp"
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//------------------------------------------------------------------------------
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// generic_stream_protocol_socket_compile test
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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// The following test checks that all public member functions on the class
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// generic::stream_protocol::socket compile and link correctly. Runtime
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// failures are ignored.
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namespace generic_stream_protocol_socket_compile {
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void connect_handler(const boost::system::error_code&)
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{
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}
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void send_handler(const boost::system::error_code&, std::size_t)
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{
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}
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void receive_handler(const boost::system::error_code&, std::size_t)
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{
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}
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void write_some_handler(const boost::system::error_code&, std::size_t)
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{
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}
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void read_some_handler(const boost::system::error_code&, std::size_t)
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{
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}
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void test()
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{
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using namespace boost::asio;
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namespace generic = boost::asio::generic;
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typedef generic::stream_protocol sp;
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try
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{
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io_service ios;
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char mutable_char_buffer[128] = "";
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const char const_char_buffer[128] = "";
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socket_base::message_flags in_flags = 0;
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socket_base::keep_alive socket_option;
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socket_base::bytes_readable io_control_command;
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boost::system::error_code ec;
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// basic_stream_socket constructors.
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sp::socket socket1(ios);
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sp::socket socket2(ios, sp(AF_INET, IPPROTO_TCP));
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sp::socket socket3(ios, sp::endpoint());
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int native_socket1 = ::socket(AF_INET, SOCK_STREAM, 0);
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sp::socket socket4(ios, sp(AF_INET, IPPROTO_TCP), native_socket1);
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#if defined(BOOST_ASIO_HAS_MOVE)
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sp::socket socket5(std::move(socket4));
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sp::socket socket6(boost::asio::ip::tcp::socket(ios));
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#endif // defined(BOOST_ASIO_HAS_MOVE)
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// basic_stream_socket operators.
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#if defined(BOOST_ASIO_HAS_MOVE)
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socket1 = sp::socket(ios);
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socket1 = std::move(socket2);
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socket1 = boost::asio::ip::tcp::socket(ios);
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#endif // defined(BOOST_ASIO_HAS_MOVE)
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// basic_io_object functions.
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io_service& ios_ref = socket1.get_io_service();
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(void)ios_ref;
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// basic_socket functions.
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sp::socket::lowest_layer_type& lowest_layer = socket1.lowest_layer();
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(void)lowest_layer;
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socket1.open(sp(AF_INET, IPPROTO_TCP));
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socket1.open(sp(AF_INET, IPPROTO_TCP), ec);
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int native_socket2 = ::socket(AF_INET, SOCK_STREAM, 0);
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socket1.assign(sp(AF_INET, IPPROTO_TCP), native_socket2);
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int native_socket3 = ::socket(AF_INET, SOCK_STREAM, 0);
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socket1.assign(sp(AF_INET, IPPROTO_TCP), native_socket3, ec);
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bool is_open = socket1.is_open();
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(void)is_open;
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socket1.close();
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socket1.close(ec);
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sp::socket::native_type native_socket4 = socket1.native();
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(void)native_socket4;
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socket1.cancel();
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socket1.cancel(ec);
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bool at_mark1 = socket1.at_mark();
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(void)at_mark1;
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bool at_mark2 = socket1.at_mark(ec);
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(void)at_mark2;
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std::size_t available1 = socket1.available();
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(void)available1;
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std::size_t available2 = socket1.available(ec);
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(void)available2;
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socket1.bind(sp::endpoint());
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socket1.bind(sp::endpoint(), ec);
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socket1.connect(sp::endpoint());
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socket1.connect(sp::endpoint(), ec);
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socket1.async_connect(sp::endpoint(), connect_handler);
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socket1.set_option(socket_option);
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socket1.set_option(socket_option, ec);
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socket1.get_option(socket_option);
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socket1.get_option(socket_option, ec);
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socket1.io_control(io_control_command);
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socket1.io_control(io_control_command, ec);
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sp::endpoint endpoint1 = socket1.local_endpoint();
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sp::endpoint endpoint2 = socket1.local_endpoint(ec);
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sp::endpoint endpoint3 = socket1.remote_endpoint();
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sp::endpoint endpoint4 = socket1.remote_endpoint(ec);
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socket1.shutdown(socket_base::shutdown_both);
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socket1.shutdown(socket_base::shutdown_both, ec);
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// basic_stream_socket functions.
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socket1.send(buffer(mutable_char_buffer));
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socket1.send(buffer(const_char_buffer));
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socket1.send(null_buffers());
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socket1.send(buffer(mutable_char_buffer), in_flags);
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socket1.send(buffer(const_char_buffer), in_flags);
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socket1.send(null_buffers(), in_flags);
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socket1.send(buffer(mutable_char_buffer), in_flags, ec);
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socket1.send(buffer(const_char_buffer), in_flags, ec);
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socket1.send(null_buffers(), in_flags, ec);
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socket1.async_send(buffer(mutable_char_buffer), send_handler);
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socket1.async_send(buffer(const_char_buffer), send_handler);
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socket1.async_send(null_buffers(), send_handler);
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socket1.async_send(buffer(mutable_char_buffer), in_flags, send_handler);
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socket1.async_send(buffer(const_char_buffer), in_flags, send_handler);
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socket1.async_send(null_buffers(), in_flags, send_handler);
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socket1.receive(buffer(mutable_char_buffer));
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socket1.receive(null_buffers());
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socket1.receive(buffer(mutable_char_buffer), in_flags);
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socket1.receive(null_buffers(), in_flags);
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socket1.receive(buffer(mutable_char_buffer), in_flags, ec);
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socket1.receive(null_buffers(), in_flags, ec);
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socket1.async_receive(buffer(mutable_char_buffer), receive_handler);
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socket1.async_receive(null_buffers(), receive_handler);
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socket1.async_receive(buffer(mutable_char_buffer), in_flags,
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receive_handler);
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socket1.async_receive(null_buffers(), in_flags, receive_handler);
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socket1.write_some(buffer(mutable_char_buffer));
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socket1.write_some(buffer(const_char_buffer));
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socket1.write_some(null_buffers());
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socket1.write_some(buffer(mutable_char_buffer), ec);
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socket1.write_some(buffer(const_char_buffer), ec);
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socket1.write_some(null_buffers(), ec);
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socket1.async_write_some(buffer(mutable_char_buffer), write_some_handler);
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socket1.async_write_some(buffer(const_char_buffer), write_some_handler);
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socket1.async_write_some(null_buffers(), write_some_handler);
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socket1.read_some(buffer(mutable_char_buffer));
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socket1.read_some(buffer(mutable_char_buffer), ec);
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socket1.read_some(null_buffers(), ec);
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socket1.async_read_some(buffer(mutable_char_buffer), read_some_handler);
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socket1.async_read_some(null_buffers(), read_some_handler);
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}
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catch (std::exception&)
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{
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}
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}
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} // namespace generic_stream_protocol_socket_compile
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//------------------------------------------------------------------------------
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BOOST_ASIO_TEST_SUITE
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(
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"generic/stream_protocol",
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BOOST_ASIO_TEST_CASE(generic_stream_protocol_socket_compile::test)
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)
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