Edit: /usr/include/boost/asio/socket_base.hpp (15939B)
//
// socket_base.hpp
// ~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef BOOST_ASIO_SOCKET_BASE_HPP
#define BOOST_ASIO_SOCKET_BASE_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#include
#include
#include
#include
#include
namespace boost {
namespace asio {
/// The socket_base class is used as a base for the basic_stream_socket and
/// basic_datagram_socket class templates so that we have a common place to
/// define the shutdown_type and enum.
class socket_base
{
public:
/// Different ways a socket may be shutdown.
enum shutdown_type
{
#if defined(GENERATING_DOCUMENTATION)
/// Shutdown the receive side of the socket.
shutdown_receive = implementation_defined,
/// Shutdown the send side of the socket.
shutdown_send = implementation_defined,
/// Shutdown both send and receive on the socket.
shutdown_both = implementation_defined
#else
shutdown_receive = BOOST_ASIO_OS_DEF(SHUT_RD),
shutdown_send = BOOST_ASIO_OS_DEF(SHUT_WR),
shutdown_both = BOOST_ASIO_OS_DEF(SHUT_RDWR)
#endif
};
/// Bitmask type for flags that can be passed to send and receive operations.
typedef int message_flags;
#if defined(GENERATING_DOCUMENTATION)
/// Peek at incoming data without removing it from the input queue.
static const int message_peek = implementation_defined;
/// Process out-of-band data.
static const int message_out_of_band = implementation_defined;
/// Specify that the data should not be subject to routing.
static const int message_do_not_route = implementation_defined;
/// Specifies that the data marks the end of a record.
static const int message_end_of_record = implementation_defined;
#else
BOOST_ASIO_STATIC_CONSTANT(int,
message_peek = BOOST_ASIO_OS_DEF(MSG_PEEK));
BOOST_ASIO_STATIC_CONSTANT(int,
message_out_of_band = BOOST_ASIO_OS_DEF(MSG_OOB));
BOOST_ASIO_STATIC_CONSTANT(int,
message_do_not_route = BOOST_ASIO_OS_DEF(MSG_DONTROUTE));
BOOST_ASIO_STATIC_CONSTANT(int,
message_end_of_record = BOOST_ASIO_OS_DEF(MSG_EOR));
#endif
/// Wait types.
/**
* For use with basic_socket::wait() and basic_socket::async_wait().
*/
enum wait_type
{
/// Wait for a socket to become ready to read.
wait_read,
/// Wait for a socket to become ready to write.
wait_write,
/// Wait for a socket to have error conditions pending.
wait_error
};
/// Socket option to permit sending of broadcast messages.
/**
* Implements the SOL_SOCKET/SO_BROADCAST socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::udp::socket socket(my_context);
* ...
* boost::asio::socket_base::broadcast option(true);
* socket.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::udp::socket socket(my_context);
* ...
* boost::asio::socket_base::broadcast option;
* socket.get_option(option);
* bool is_set = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Boolean_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined broadcast;
#else
typedef boost::asio::detail::socket_option::boolean<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_BROADCAST)>
broadcast;
#endif
/// Socket option to enable socket-level debugging.
/**
* Implements the SOL_SOCKET/SO_DEBUG socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::debug option(true);
* socket.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::debug option;
* socket.get_option(option);
* bool is_set = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Boolean_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined debug;
#else
typedef boost::asio::detail::socket_option::boolean<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_DEBUG)> debug;
#endif
/// Socket option to prevent routing, use local interfaces only.
/**
* Implements the SOL_SOCKET/SO_DONTROUTE socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::udp::socket socket(my_context);
* ...
* boost::asio::socket_base::do_not_route option(true);
* socket.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::udp::socket socket(my_context);
* ...
* boost::asio::socket_base::do_not_route option;
* socket.get_option(option);
* bool is_set = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Boolean_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined do_not_route;
#else
typedef boost::asio::detail::socket_option::boolean<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_DONTROUTE)>
do_not_route;
#endif
/// Socket option to send keep-alives.
/**
* Implements the SOL_SOCKET/SO_KEEPALIVE socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::keep_alive option(true);
* socket.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::keep_alive option;
* socket.get_option(option);
* bool is_set = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Boolean_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined keep_alive;
#else
typedef boost::asio::detail::socket_option::boolean<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_KEEPALIVE)> keep_alive;
#endif
/// Socket option for the send buffer size of a socket.
/**
* Implements the SOL_SOCKET/SO_SNDBUF socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::send_buffer_size option(8192);
* socket.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::send_buffer_size option;
* socket.get_option(option);
* int size = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Integer_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined send_buffer_size;
#else
typedef boost::asio::detail::socket_option::integer<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_SNDBUF)>
send_buffer_size;
#endif
/// Socket option for the send low watermark.
/**
* Implements the SOL_SOCKET/SO_SNDLOWAT socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::send_low_watermark option(1024);
* socket.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::send_low_watermark option;
* socket.get_option(option);
* int size = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Integer_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined send_low_watermark;
#else
typedef boost::asio::detail::socket_option::integer<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_SNDLOWAT)>
send_low_watermark;
#endif
/// Socket option for the receive buffer size of a socket.
/**
* Implements the SOL_SOCKET/SO_RCVBUF socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::receive_buffer_size option(8192);
* socket.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::receive_buffer_size option;
* socket.get_option(option);
* int size = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Integer_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined receive_buffer_size;
#else
typedef boost::asio::detail::socket_option::integer<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_RCVBUF)>
receive_buffer_size;
#endif
/// Socket option for the receive low watermark.
/**
* Implements the SOL_SOCKET/SO_RCVLOWAT socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::receive_low_watermark option(1024);
* socket.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::receive_low_watermark option;
* socket.get_option(option);
* int size = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Integer_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined receive_low_watermark;
#else
typedef boost::asio::detail::socket_option::integer<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_RCVLOWAT)>
receive_low_watermark;
#endif
/// Socket option to allow the socket to be bound to an address that is
/// already in use.
/**
* Implements the SOL_SOCKET/SO_REUSEADDR socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::tcp::acceptor acceptor(my_context);
* ...
* boost::asio::socket_base::reuse_address option(true);
* acceptor.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::tcp::acceptor acceptor(my_context);
* ...
* boost::asio::socket_base::reuse_address option;
* acceptor.get_option(option);
* bool is_set = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Boolean_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined reuse_address;
#else
typedef boost::asio::detail::socket_option::boolean<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_REUSEADDR)>
reuse_address;
#endif
/// Socket option to specify whether the socket lingers on close if unsent
/// data is present.
/**
* Implements the SOL_SOCKET/SO_LINGER socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::linger option(true, 30);
* socket.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::linger option;
* socket.get_option(option);
* bool is_set = option.enabled();
* unsigned short timeout = option.timeout();
* @endcode
*
* @par Concepts:
* Socket_Option, Linger_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined linger;
#else
typedef boost::asio::detail::socket_option::linger<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_LINGER)>
linger;
#endif
/// Socket option for putting received out-of-band data inline.
/**
* Implements the SOL_SOCKET/SO_OOBINLINE socket option.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::out_of_band_inline option(true);
* socket.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::out_of_band_inline option;
* socket.get_option(option);
* bool value = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Boolean_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined out_of_band_inline;
#else
typedef boost::asio::detail::socket_option::boolean<
BOOST_ASIO_OS_DEF(SOL_SOCKET), BOOST_ASIO_OS_DEF(SO_OOBINLINE)>
out_of_band_inline;
#endif
/// Socket option to report aborted connections on accept.
/**
* Implements a custom socket option that determines whether or not an accept
* operation is permitted to fail with boost::asio::error::connection_aborted.
* By default the option is false.
*
* @par Examples
* Setting the option:
* @code
* boost::asio::ip::tcp::acceptor acceptor(my_context);
* ...
* boost::asio::socket_base::enable_connection_aborted option(true);
* acceptor.set_option(option);
* @endcode
*
* @par
* Getting the current option value:
* @code
* boost::asio::ip::tcp::acceptor acceptor(my_context);
* ...
* boost::asio::socket_base::enable_connection_aborted option;
* acceptor.get_option(option);
* bool is_set = option.value();
* @endcode
*
* @par Concepts:
* Socket_Option, Boolean_Socket_Option.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined enable_connection_aborted;
#else
typedef boost::asio::detail::socket_option::boolean<
boost::asio::detail::custom_socket_option_level,
boost::asio::detail::enable_connection_aborted_option>
enable_connection_aborted;
#endif
/// IO control command to get the amount of data that can be read without
/// blocking.
/**
* Implements the FIONREAD IO control command.
*
* @par Example
* @code
* boost::asio::ip::tcp::socket socket(my_context);
* ...
* boost::asio::socket_base::bytes_readable command(true);
* socket.io_control(command);
* std::size_t bytes_readable = command.get();
* @endcode
*
* @par Concepts:
* IO_Control_Command, Size_IO_Control_Command.
*/
#if defined(GENERATING_DOCUMENTATION)
typedef implementation_defined bytes_readable;
#else
typedef boost::asio::detail::io_control::bytes_readable bytes_readable;
#endif
/// The maximum length of the queue of pending incoming connections.
#if defined(GENERATING_DOCUMENTATION)
static const int max_listen_connections = implementation_defined;
#else
BOOST_ASIO_STATIC_CONSTANT(int, max_listen_connections
= BOOST_ASIO_OS_DEF(SOMAXCONN));
#endif
#if !defined(BOOST_ASIO_NO_DEPRECATED)
/// (Deprecated: Use max_listen_connections.) The maximum length of the queue
/// of pending incoming connections.
#if defined(GENERATING_DOCUMENTATION)
static const int max_connections = implementation_defined;
#else
BOOST_ASIO_STATIC_CONSTANT(int, max_connections
= BOOST_ASIO_OS_DEF(SOMAXCONN));
#endif
#endif // !defined(BOOST_ASIO_NO_DEPRECATED)
protected:
/// Protected destructor to prevent deletion through this type.
~socket_base()
{
}
};
} // namespace asio
} // namespace boost
#include
#endif // BOOST_ASIO_SOCKET_BASE_HPP