mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-21 04:11:50 +03:00
523 lines
15 KiB
C++
523 lines
15 KiB
C++
//
|
|
// socket_base.hpp
|
|
// ~~~~~~~~~~~~~~~
|
|
//
|
|
// Copyright (c) 2003-2016 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 <boost/asio/detail/config.hpp>
|
|
#include <boost/asio/detail/io_control.hpp>
|
|
#include <boost/asio/detail/socket_option.hpp>
|
|
#include <boost/asio/detail/socket_types.hpp>
|
|
|
|
#include <boost/asio/detail/push_options.hpp>
|
|
|
|
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
|
|
|
|
/// 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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 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(io_service);
|
|
* ...
|
|
* 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(io_service);
|
|
* ...
|
|
* 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
|
|
|
|
/// (Deprecated: Use non_blocking().) IO control command to
|
|
/// set the blocking mode of the socket.
|
|
/**
|
|
* Implements the FIONBIO IO control command.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* boost::asio::ip::tcp::socket socket(io_service);
|
|
* ...
|
|
* boost::asio::socket_base::non_blocking_io command(true);
|
|
* socket.io_control(command);
|
|
* @endcode
|
|
*
|
|
* @par Concepts:
|
|
* IO_Control_Command, Boolean_IO_Control_Command.
|
|
*/
|
|
#if defined(GENERATING_DOCUMENTATION)
|
|
typedef implementation_defined non_blocking_io;
|
|
#else
|
|
typedef boost::asio::detail::io_control::non_blocking_io non_blocking_io;
|
|
#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(io_service);
|
|
* ...
|
|
* 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_connections = implementation_defined;
|
|
#else
|
|
BOOST_ASIO_STATIC_CONSTANT(int, max_connections
|
|
= BOOST_ASIO_OS_DEF(SOMAXCONN));
|
|
#endif
|
|
|
|
protected:
|
|
/// Protected destructor to prevent deletion through this type.
|
|
~socket_base()
|
|
{
|
|
}
|
|
};
|
|
|
|
} // namespace asio
|
|
} // namespace boost
|
|
|
|
#include <boost/asio/detail/pop_options.hpp>
|
|
|
|
#endif // BOOST_ASIO_SOCKET_BASE_HPP
|