2509 lines
83 KiB
C++
2509 lines
83 KiB
C++
//
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// basic_socket_acceptor.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2021 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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#ifndef ASIO_BASIC_SOCKET_ACCEPTOR_HPP
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#define ASIO_BASIC_SOCKET_ACCEPTOR_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/config.hpp"
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#include "asio/any_io_executor.hpp"
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#include "asio/basic_socket.hpp"
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#include "asio/detail/handler_type_requirements.hpp"
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#include "asio/detail/io_object_impl.hpp"
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#include "asio/detail/non_const_lvalue.hpp"
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#include "asio/detail/throw_error.hpp"
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#include "asio/detail/type_traits.hpp"
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#include "asio/error.hpp"
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#include "asio/execution_context.hpp"
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#include "asio/socket_base.hpp"
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#if defined(ASIO_WINDOWS_RUNTIME)
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# include "asio/detail/null_socket_service.hpp"
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#elif defined(ASIO_HAS_IOCP)
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# include "asio/detail/win_iocp_socket_service.hpp"
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#else
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# include "asio/detail/reactive_socket_service.hpp"
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#endif
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#if defined(ASIO_HAS_MOVE)
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# include <utility>
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#endif // defined(ASIO_HAS_MOVE)
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#include "asio/detail/push_options.hpp"
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namespace asio {
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#if !defined(ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL)
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#define ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL
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// Forward declaration with defaulted arguments.
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template <typename Protocol, typename Executor = any_io_executor>
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class basic_socket_acceptor;
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#endif // !defined(ASIO_BASIC_SOCKET_ACCEPTOR_FWD_DECL)
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/// Provides the ability to accept new connections.
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/**
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* The basic_socket_acceptor class template is used for accepting new socket
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* connections.
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*
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* @par Thread Safety
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* @e Distinct @e objects: Safe.@n
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* @e Shared @e objects: Unsafe.
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*
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* Synchronous @c accept operations are thread safe, if the underlying
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* operating system calls are also thread safe. This means that it is permitted
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* to perform concurrent calls to synchronous @c accept operations on a single
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* socket object. Other synchronous operations, such as @c open or @c close, are
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* not thread safe.
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*
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* @par Example
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* Opening a socket acceptor with the SO_REUSEADDR option enabled:
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* @code
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* asio::ip::tcp::acceptor acceptor(my_context);
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* asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), port);
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* acceptor.open(endpoint.protocol());
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* acceptor.set_option(asio::ip::tcp::acceptor::reuse_address(true));
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* acceptor.bind(endpoint);
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* acceptor.listen();
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* @endcode
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*/
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template <typename Protocol, typename Executor>
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class basic_socket_acceptor
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: public socket_base
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{
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public:
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/// The type of the executor associated with the object.
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typedef Executor executor_type;
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/// Rebinds the acceptor type to another executor.
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template <typename Executor1>
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struct rebind_executor
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{
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/// The socket type when rebound to the specified executor.
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typedef basic_socket_acceptor<Protocol, Executor1> other;
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};
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/// The native representation of an acceptor.
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#if defined(GENERATING_DOCUMENTATION)
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typedef implementation_defined native_handle_type;
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#elif defined(ASIO_WINDOWS_RUNTIME)
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typedef typename detail::null_socket_service<
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Protocol>::native_handle_type native_handle_type;
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#elif defined(ASIO_HAS_IOCP)
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typedef typename detail::win_iocp_socket_service<
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Protocol>::native_handle_type native_handle_type;
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#else
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typedef typename detail::reactive_socket_service<
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Protocol>::native_handle_type native_handle_type;
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#endif
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/// The protocol type.
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typedef Protocol protocol_type;
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/// The endpoint type.
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typedef typename Protocol::endpoint endpoint_type;
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/// Construct an acceptor without opening it.
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/**
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* This constructor creates an acceptor without opening it to listen for new
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* connections. The open() function must be called before the acceptor can
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* accept new socket connections.
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*
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* @param ex The I/O executor that the acceptor will use, by default, to
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* dispatch handlers for any asynchronous operations performed on the
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* acceptor.
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*/
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explicit basic_socket_acceptor(const executor_type& ex)
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: impl_(0, ex)
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{
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}
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/// Construct an acceptor without opening it.
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/**
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* This constructor creates an acceptor without opening it to listen for new
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* connections. The open() function must be called before the acceptor can
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* accept new socket connections.
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*
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* @param context An execution context which provides the I/O executor that
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* the acceptor will use, by default, to dispatch handlers for any
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* asynchronous operations performed on the acceptor.
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*/
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template <typename ExecutionContext>
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explicit basic_socket_acceptor(ExecutionContext& context,
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typename constraint<
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is_convertible<ExecutionContext&, execution_context&>::value
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>::type = 0)
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: impl_(0, 0, context)
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{
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}
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/// Construct an open acceptor.
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/**
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* This constructor creates an acceptor and automatically opens it.
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*
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* @param ex The I/O executor that the acceptor will use, by default, to
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* dispatch handlers for any asynchronous operations performed on the
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* acceptor.
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*
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* @param protocol An object specifying protocol parameters to be used.
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*
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* @throws asio::system_error Thrown on failure.
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*/
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basic_socket_acceptor(const executor_type& ex, const protocol_type& protocol)
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: impl_(0, ex)
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{
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asio::error_code ec;
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impl_.get_service().open(impl_.get_implementation(), protocol, ec);
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asio::detail::throw_error(ec, "open");
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}
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/// Construct an open acceptor.
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/**
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* This constructor creates an acceptor and automatically opens it.
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*
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* @param context An execution context which provides the I/O executor that
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* the acceptor will use, by default, to dispatch handlers for any
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* asynchronous operations performed on the acceptor.
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*
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* @param protocol An object specifying protocol parameters to be used.
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*
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* @throws asio::system_error Thrown on failure.
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*/
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template <typename ExecutionContext>
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basic_socket_acceptor(ExecutionContext& context,
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const protocol_type& protocol,
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typename constraint<
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is_convertible<ExecutionContext&, execution_context&>::value,
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defaulted_constraint
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>::type = defaulted_constraint())
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: impl_(0, 0, context)
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{
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asio::error_code ec;
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impl_.get_service().open(impl_.get_implementation(), protocol, ec);
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asio::detail::throw_error(ec, "open");
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}
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/// Construct an acceptor opened on the given endpoint.
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/**
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* This constructor creates an acceptor and automatically opens it to listen
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* for new connections on the specified endpoint.
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*
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* @param ex The I/O executor that the acceptor will use, by default, to
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* dispatch handlers for any asynchronous operations performed on the
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* acceptor.
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*
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* @param endpoint An endpoint on the local machine on which the acceptor
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* will listen for new connections.
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*
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* @param reuse_addr Whether the constructor should set the socket option
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* socket_base::reuse_address.
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*
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* @throws asio::system_error Thrown on failure.
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*
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* @note This constructor is equivalent to the following code:
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* @code
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* basic_socket_acceptor<Protocol> acceptor(my_context);
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* acceptor.open(endpoint.protocol());
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* if (reuse_addr)
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* acceptor.set_option(socket_base::reuse_address(true));
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* acceptor.bind(endpoint);
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* acceptor.listen();
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* @endcode
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*/
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basic_socket_acceptor(const executor_type& ex,
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const endpoint_type& endpoint, bool reuse_addr = true)
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: impl_(0, ex)
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{
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asio::error_code ec;
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const protocol_type protocol = endpoint.protocol();
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impl_.get_service().open(impl_.get_implementation(), protocol, ec);
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asio::detail::throw_error(ec, "open");
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if (reuse_addr)
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{
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impl_.get_service().set_option(impl_.get_implementation(),
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socket_base::reuse_address(true), ec);
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asio::detail::throw_error(ec, "set_option");
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}
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impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
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asio::detail::throw_error(ec, "bind");
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impl_.get_service().listen(impl_.get_implementation(),
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socket_base::max_listen_connections, ec);
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asio::detail::throw_error(ec, "listen");
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}
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/// Construct an acceptor opened on the given endpoint.
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/**
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* This constructor creates an acceptor and automatically opens it to listen
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* for new connections on the specified endpoint.
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*
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* @param context An execution context which provides the I/O executor that
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* the acceptor will use, by default, to dispatch handlers for any
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* asynchronous operations performed on the acceptor.
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*
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* @param endpoint An endpoint on the local machine on which the acceptor
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* will listen for new connections.
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*
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* @param reuse_addr Whether the constructor should set the socket option
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* socket_base::reuse_address.
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*
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* @throws asio::system_error Thrown on failure.
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*
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* @note This constructor is equivalent to the following code:
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* @code
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* basic_socket_acceptor<Protocol> acceptor(my_context);
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* acceptor.open(endpoint.protocol());
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* if (reuse_addr)
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* acceptor.set_option(socket_base::reuse_address(true));
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* acceptor.bind(endpoint);
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* acceptor.listen();
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* @endcode
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*/
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template <typename ExecutionContext>
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basic_socket_acceptor(ExecutionContext& context,
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const endpoint_type& endpoint, bool reuse_addr = true,
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typename constraint<
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is_convertible<ExecutionContext&, execution_context&>::value
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>::type = 0)
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: impl_(0, 0, context)
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{
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asio::error_code ec;
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const protocol_type protocol = endpoint.protocol();
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impl_.get_service().open(impl_.get_implementation(), protocol, ec);
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asio::detail::throw_error(ec, "open");
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if (reuse_addr)
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{
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impl_.get_service().set_option(impl_.get_implementation(),
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socket_base::reuse_address(true), ec);
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asio::detail::throw_error(ec, "set_option");
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}
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impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
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asio::detail::throw_error(ec, "bind");
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impl_.get_service().listen(impl_.get_implementation(),
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socket_base::max_listen_connections, ec);
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asio::detail::throw_error(ec, "listen");
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}
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/// Construct a basic_socket_acceptor on an existing native acceptor.
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/**
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* This constructor creates an acceptor object to hold an existing native
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* acceptor.
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*
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* @param ex The I/O executor that the acceptor will use, by default, to
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* dispatch handlers for any asynchronous operations performed on the
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* acceptor.
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*
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* @param protocol An object specifying protocol parameters to be used.
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*
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* @param native_acceptor A native acceptor.
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*
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* @throws asio::system_error Thrown on failure.
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*/
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basic_socket_acceptor(const executor_type& ex,
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const protocol_type& protocol, const native_handle_type& native_acceptor)
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: impl_(0, ex)
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{
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asio::error_code ec;
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impl_.get_service().assign(impl_.get_implementation(),
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protocol, native_acceptor, ec);
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asio::detail::throw_error(ec, "assign");
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}
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/// Construct a basic_socket_acceptor on an existing native acceptor.
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/**
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* This constructor creates an acceptor object to hold an existing native
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* acceptor.
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*
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* @param context An execution context which provides the I/O executor that
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* the acceptor will use, by default, to dispatch handlers for any
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* asynchronous operations performed on the acceptor.
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*
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* @param protocol An object specifying protocol parameters to be used.
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*
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* @param native_acceptor A native acceptor.
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*
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* @throws asio::system_error Thrown on failure.
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*/
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template <typename ExecutionContext>
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basic_socket_acceptor(ExecutionContext& context,
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const protocol_type& protocol, const native_handle_type& native_acceptor,
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typename constraint<
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is_convertible<ExecutionContext&, execution_context&>::value
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>::type = 0)
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: impl_(0, 0, context)
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{
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asio::error_code ec;
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impl_.get_service().assign(impl_.get_implementation(),
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protocol, native_acceptor, ec);
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asio::detail::throw_error(ec, "assign");
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}
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#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
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/// Move-construct a basic_socket_acceptor from another.
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/**
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* This constructor moves an acceptor from one object to another.
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*
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* @param other The other basic_socket_acceptor object from which the move
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* will occur.
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*
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* @note Following the move, the moved-from object is in the same state as if
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* constructed using the @c basic_socket_acceptor(const executor_type&)
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* constructor.
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*/
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basic_socket_acceptor(basic_socket_acceptor&& other) ASIO_NOEXCEPT
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: impl_(std::move(other.impl_))
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{
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}
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/// Move-assign a basic_socket_acceptor from another.
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/**
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* This assignment operator moves an acceptor from one object to another.
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*
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* @param other The other basic_socket_acceptor object from which the move
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* will occur.
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*
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* @note Following the move, the moved-from object is in the same state as if
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* constructed using the @c basic_socket_acceptor(const executor_type&)
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* constructor.
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*/
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basic_socket_acceptor& operator=(basic_socket_acceptor&& other)
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{
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impl_ = std::move(other.impl_);
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return *this;
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}
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// All socket acceptors have access to each other's implementations.
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template <typename Protocol1, typename Executor1>
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friend class basic_socket_acceptor;
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/// Move-construct a basic_socket_acceptor from an acceptor of another
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/// protocol type.
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/**
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* This constructor moves an acceptor from one object to another.
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*
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* @param other The other basic_socket_acceptor object from which the move
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* will occur.
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*
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* @note Following the move, the moved-from object is in the same state as if
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* constructed using the @c basic_socket_acceptor(const executor_type&)
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* constructor.
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*/
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template <typename Protocol1, typename Executor1>
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basic_socket_acceptor(basic_socket_acceptor<Protocol1, Executor1>&& other,
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typename constraint<
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is_convertible<Protocol1, Protocol>::value
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&& is_convertible<Executor1, Executor>::value
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>::type = 0)
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: impl_(std::move(other.impl_))
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{
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}
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/// Move-assign a basic_socket_acceptor from an acceptor of another protocol
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/// type.
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/**
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* This assignment operator moves an acceptor from one object to another.
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*
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* @param other The other basic_socket_acceptor object from which the move
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* will occur.
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*
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* @note Following the move, the moved-from object is in the same state as if
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* constructed using the @c basic_socket_acceptor(const executor_type&)
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* constructor.
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*/
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template <typename Protocol1, typename Executor1>
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typename constraint<
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is_convertible<Protocol1, Protocol>::value
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&& is_convertible<Executor1, Executor>::value,
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basic_socket_acceptor&
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>::type operator=(basic_socket_acceptor<Protocol1, Executor1>&& other)
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{
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basic_socket_acceptor tmp(std::move(other));
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impl_ = std::move(tmp.impl_);
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return *this;
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}
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#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
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/// Destroys the acceptor.
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/**
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* This function destroys the acceptor, cancelling any outstanding
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* asynchronous operations associated with the acceptor as if by calling
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* @c cancel.
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*/
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~basic_socket_acceptor()
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{
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}
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/// Get the executor associated with the object.
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executor_type get_executor() ASIO_NOEXCEPT
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{
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return impl_.get_executor();
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}
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|
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/// Open the acceptor using the specified protocol.
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/**
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* This function opens the socket acceptor so that it will use the specified
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* protocol.
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*
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* @param protocol An object specifying which protocol is to be used.
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*
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* @throws asio::system_error Thrown on failure.
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*
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* @par Example
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* @code
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* asio::ip::tcp::acceptor acceptor(my_context);
|
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* acceptor.open(asio::ip::tcp::v4());
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* @endcode
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*/
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void open(const protocol_type& protocol = protocol_type())
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{
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asio::error_code ec;
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impl_.get_service().open(impl_.get_implementation(), protocol, ec);
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asio::detail::throw_error(ec, "open");
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}
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|
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/// Open the acceptor using the specified protocol.
|
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/**
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* This function opens the socket acceptor so that it will use the specified
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* protocol.
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*
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* @param protocol An object specifying which protocol is to be used.
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*
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* @param ec Set to indicate what error occurred, if any.
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*
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* @par Example
|
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* @code
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* asio::ip::tcp::acceptor acceptor(my_context);
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* asio::error_code ec;
|
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* acceptor.open(asio::ip::tcp::v4(), ec);
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* if (ec)
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* {
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* // An error occurred.
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* }
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* @endcode
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*/
|
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ASIO_SYNC_OP_VOID open(const protocol_type& protocol,
|
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asio::error_code& ec)
|
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{
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impl_.get_service().open(impl_.get_implementation(), protocol, ec);
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ASIO_SYNC_OP_VOID_RETURN(ec);
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}
|
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|
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/// Assigns an existing native acceptor to the acceptor.
|
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/*
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* This function opens the acceptor to hold an existing native acceptor.
|
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*
|
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* @param protocol An object specifying which protocol is to be used.
|
|
*
|
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* @param native_acceptor A native acceptor.
|
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*
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* @throws asio::system_error Thrown on failure.
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|
*/
|
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void assign(const protocol_type& protocol,
|
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const native_handle_type& native_acceptor)
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().assign(impl_.get_implementation(),
|
|
protocol, native_acceptor, ec);
|
|
asio::detail::throw_error(ec, "assign");
|
|
}
|
|
|
|
/// Assigns an existing native acceptor to the acceptor.
|
|
/*
|
|
* This function opens the acceptor to hold an existing native acceptor.
|
|
*
|
|
* @param protocol An object specifying which protocol is to be used.
|
|
*
|
|
* @param native_acceptor A native acceptor.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*/
|
|
ASIO_SYNC_OP_VOID assign(const protocol_type& protocol,
|
|
const native_handle_type& native_acceptor, asio::error_code& ec)
|
|
{
|
|
impl_.get_service().assign(impl_.get_implementation(),
|
|
protocol, native_acceptor, ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Determine whether the acceptor is open.
|
|
bool is_open() const
|
|
{
|
|
return impl_.get_service().is_open(impl_.get_implementation());
|
|
}
|
|
|
|
/// Bind the acceptor to the given local endpoint.
|
|
/**
|
|
* This function binds the socket acceptor to the specified endpoint on the
|
|
* local machine.
|
|
*
|
|
* @param endpoint An endpoint on the local machine to which the socket
|
|
* acceptor will be bound.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), 12345);
|
|
* acceptor.open(endpoint.protocol());
|
|
* acceptor.bind(endpoint);
|
|
* @endcode
|
|
*/
|
|
void bind(const endpoint_type& endpoint)
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
|
|
asio::detail::throw_error(ec, "bind");
|
|
}
|
|
|
|
/// Bind the acceptor to the given local endpoint.
|
|
/**
|
|
* This function binds the socket acceptor to the specified endpoint on the
|
|
* local machine.
|
|
*
|
|
* @param endpoint An endpoint on the local machine to which the socket
|
|
* acceptor will be bound.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), 12345);
|
|
* acceptor.open(endpoint.protocol());
|
|
* asio::error_code ec;
|
|
* acceptor.bind(endpoint, ec);
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
ASIO_SYNC_OP_VOID bind(const endpoint_type& endpoint,
|
|
asio::error_code& ec)
|
|
{
|
|
impl_.get_service().bind(impl_.get_implementation(), endpoint, ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Place the acceptor into the state where it will listen for new
|
|
/// connections.
|
|
/**
|
|
* This function puts the socket acceptor into the state where it may accept
|
|
* new connections.
|
|
*
|
|
* @param backlog The maximum length of the queue of pending connections.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*/
|
|
void listen(int backlog = socket_base::max_listen_connections)
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().listen(impl_.get_implementation(), backlog, ec);
|
|
asio::detail::throw_error(ec, "listen");
|
|
}
|
|
|
|
/// Place the acceptor into the state where it will listen for new
|
|
/// connections.
|
|
/**
|
|
* This function puts the socket acceptor into the state where it may accept
|
|
* new connections.
|
|
*
|
|
* @param backlog The maximum length of the queue of pending connections.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::error_code ec;
|
|
* acceptor.listen(asio::socket_base::max_listen_connections, ec);
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
ASIO_SYNC_OP_VOID listen(int backlog, asio::error_code& ec)
|
|
{
|
|
impl_.get_service().listen(impl_.get_implementation(), backlog, ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Close the acceptor.
|
|
/**
|
|
* This function is used to close the acceptor. Any asynchronous accept
|
|
* operations will be cancelled immediately.
|
|
*
|
|
* A subsequent call to open() is required before the acceptor can again be
|
|
* used to again perform socket accept operations.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*/
|
|
void close()
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().close(impl_.get_implementation(), ec);
|
|
asio::detail::throw_error(ec, "close");
|
|
}
|
|
|
|
/// Close the acceptor.
|
|
/**
|
|
* This function is used to close the acceptor. Any asynchronous accept
|
|
* operations will be cancelled immediately.
|
|
*
|
|
* A subsequent call to open() is required before the acceptor can again be
|
|
* used to again perform socket accept operations.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::error_code ec;
|
|
* acceptor.close(ec);
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
ASIO_SYNC_OP_VOID close(asio::error_code& ec)
|
|
{
|
|
impl_.get_service().close(impl_.get_implementation(), ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Release ownership of the underlying native acceptor.
|
|
/**
|
|
* This function causes all outstanding asynchronous accept operations to
|
|
* finish immediately, and the handlers for cancelled operations will be
|
|
* passed the asio::error::operation_aborted error. Ownership of the
|
|
* native acceptor is then transferred to the caller.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @note This function is unsupported on Windows versions prior to Windows
|
|
* 8.1, and will fail with asio::error::operation_not_supported on
|
|
* these platforms.
|
|
*/
|
|
#if defined(ASIO_MSVC) && (ASIO_MSVC >= 1400) \
|
|
&& (!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0603)
|
|
__declspec(deprecated("This function always fails with "
|
|
"operation_not_supported when used on Windows versions "
|
|
"prior to Windows 8.1."))
|
|
#endif
|
|
native_handle_type release()
|
|
{
|
|
asio::error_code ec;
|
|
native_handle_type s = impl_.get_service().release(
|
|
impl_.get_implementation(), ec);
|
|
asio::detail::throw_error(ec, "release");
|
|
return s;
|
|
}
|
|
|
|
/// Release ownership of the underlying native acceptor.
|
|
/**
|
|
* This function causes all outstanding asynchronous accept operations to
|
|
* finish immediately, and the handlers for cancelled operations will be
|
|
* passed the asio::error::operation_aborted error. Ownership of the
|
|
* native acceptor is then transferred to the caller.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @note This function is unsupported on Windows versions prior to Windows
|
|
* 8.1, and will fail with asio::error::operation_not_supported on
|
|
* these platforms.
|
|
*/
|
|
#if defined(ASIO_MSVC) && (ASIO_MSVC >= 1400) \
|
|
&& (!defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0603)
|
|
__declspec(deprecated("This function always fails with "
|
|
"operation_not_supported when used on Windows versions "
|
|
"prior to Windows 8.1."))
|
|
#endif
|
|
native_handle_type release(asio::error_code& ec)
|
|
{
|
|
return impl_.get_service().release(impl_.get_implementation(), ec);
|
|
}
|
|
|
|
/// Get the native acceptor representation.
|
|
/**
|
|
* This function may be used to obtain the underlying representation of the
|
|
* acceptor. This is intended to allow access to native acceptor functionality
|
|
* that is not otherwise provided.
|
|
*/
|
|
native_handle_type native_handle()
|
|
{
|
|
return impl_.get_service().native_handle(impl_.get_implementation());
|
|
}
|
|
|
|
/// Cancel all asynchronous operations associated with the acceptor.
|
|
/**
|
|
* This function causes all outstanding asynchronous connect, send and receive
|
|
* operations to finish immediately, and the handlers for cancelled operations
|
|
* will be passed the asio::error::operation_aborted error.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*/
|
|
void cancel()
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().cancel(impl_.get_implementation(), ec);
|
|
asio::detail::throw_error(ec, "cancel");
|
|
}
|
|
|
|
/// Cancel all asynchronous operations associated with the acceptor.
|
|
/**
|
|
* This function causes all outstanding asynchronous connect, send and receive
|
|
* operations to finish immediately, and the handlers for cancelled operations
|
|
* will be passed the asio::error::operation_aborted error.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*/
|
|
ASIO_SYNC_OP_VOID cancel(asio::error_code& ec)
|
|
{
|
|
impl_.get_service().cancel(impl_.get_implementation(), ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Set an option on the acceptor.
|
|
/**
|
|
* This function is used to set an option on the acceptor.
|
|
*
|
|
* @param option The new option value to be set on the acceptor.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @sa SettableSocketOption @n
|
|
* asio::socket_base::reuse_address
|
|
* asio::socket_base::enable_connection_aborted
|
|
*
|
|
* @par Example
|
|
* Setting the SOL_SOCKET/SO_REUSEADDR option:
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::acceptor::reuse_address option(true);
|
|
* acceptor.set_option(option);
|
|
* @endcode
|
|
*/
|
|
template <typename SettableSocketOption>
|
|
void set_option(const SettableSocketOption& option)
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().set_option(impl_.get_implementation(), option, ec);
|
|
asio::detail::throw_error(ec, "set_option");
|
|
}
|
|
|
|
/// Set an option on the acceptor.
|
|
/**
|
|
* This function is used to set an option on the acceptor.
|
|
*
|
|
* @param option The new option value to be set on the acceptor.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @sa SettableSocketOption @n
|
|
* asio::socket_base::reuse_address
|
|
* asio::socket_base::enable_connection_aborted
|
|
*
|
|
* @par Example
|
|
* Setting the SOL_SOCKET/SO_REUSEADDR option:
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::acceptor::reuse_address option(true);
|
|
* asio::error_code ec;
|
|
* acceptor.set_option(option, ec);
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
template <typename SettableSocketOption>
|
|
ASIO_SYNC_OP_VOID set_option(const SettableSocketOption& option,
|
|
asio::error_code& ec)
|
|
{
|
|
impl_.get_service().set_option(impl_.get_implementation(), option, ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Get an option from the acceptor.
|
|
/**
|
|
* This function is used to get the current value of an option on the
|
|
* acceptor.
|
|
*
|
|
* @param option The option value to be obtained from the acceptor.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @sa GettableSocketOption @n
|
|
* asio::socket_base::reuse_address
|
|
*
|
|
* @par Example
|
|
* Getting the value of the SOL_SOCKET/SO_REUSEADDR option:
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::acceptor::reuse_address option;
|
|
* acceptor.get_option(option);
|
|
* bool is_set = option.get();
|
|
* @endcode
|
|
*/
|
|
template <typename GettableSocketOption>
|
|
void get_option(GettableSocketOption& option) const
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().get_option(impl_.get_implementation(), option, ec);
|
|
asio::detail::throw_error(ec, "get_option");
|
|
}
|
|
|
|
/// Get an option from the acceptor.
|
|
/**
|
|
* This function is used to get the current value of an option on the
|
|
* acceptor.
|
|
*
|
|
* @param option The option value to be obtained from the acceptor.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @sa GettableSocketOption @n
|
|
* asio::socket_base::reuse_address
|
|
*
|
|
* @par Example
|
|
* Getting the value of the SOL_SOCKET/SO_REUSEADDR option:
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::acceptor::reuse_address option;
|
|
* asio::error_code ec;
|
|
* acceptor.get_option(option, ec);
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* bool is_set = option.get();
|
|
* @endcode
|
|
*/
|
|
template <typename GettableSocketOption>
|
|
ASIO_SYNC_OP_VOID get_option(GettableSocketOption& option,
|
|
asio::error_code& ec) const
|
|
{
|
|
impl_.get_service().get_option(impl_.get_implementation(), option, ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Perform an IO control command on the acceptor.
|
|
/**
|
|
* This function is used to execute an IO control command on the acceptor.
|
|
*
|
|
* @param command The IO control command to be performed on the acceptor.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @sa IoControlCommand @n
|
|
* asio::socket_base::non_blocking_io
|
|
*
|
|
* @par Example
|
|
* Getting the number of bytes ready to read:
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::acceptor::non_blocking_io command(true);
|
|
* socket.io_control(command);
|
|
* @endcode
|
|
*/
|
|
template <typename IoControlCommand>
|
|
void io_control(IoControlCommand& command)
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().io_control(impl_.get_implementation(), command, ec);
|
|
asio::detail::throw_error(ec, "io_control");
|
|
}
|
|
|
|
/// Perform an IO control command on the acceptor.
|
|
/**
|
|
* This function is used to execute an IO control command on the acceptor.
|
|
*
|
|
* @param command The IO control command to be performed on the acceptor.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @sa IoControlCommand @n
|
|
* asio::socket_base::non_blocking_io
|
|
*
|
|
* @par Example
|
|
* Getting the number of bytes ready to read:
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::acceptor::non_blocking_io command(true);
|
|
* asio::error_code ec;
|
|
* socket.io_control(command, ec);
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
template <typename IoControlCommand>
|
|
ASIO_SYNC_OP_VOID io_control(IoControlCommand& command,
|
|
asio::error_code& ec)
|
|
{
|
|
impl_.get_service().io_control(impl_.get_implementation(), command, ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Gets the non-blocking mode of the acceptor.
|
|
/**
|
|
* @returns @c true if the acceptor's synchronous operations will fail with
|
|
* asio::error::would_block if they are unable to perform the requested
|
|
* operation immediately. If @c false, synchronous operations will block
|
|
* until complete.
|
|
*
|
|
* @note The non-blocking mode has no effect on the behaviour of asynchronous
|
|
* operations. Asynchronous operations will never fail with the error
|
|
* asio::error::would_block.
|
|
*/
|
|
bool non_blocking() const
|
|
{
|
|
return impl_.get_service().non_blocking(impl_.get_implementation());
|
|
}
|
|
|
|
/// Sets the non-blocking mode of the acceptor.
|
|
/**
|
|
* @param mode If @c true, the acceptor's synchronous operations will fail
|
|
* with asio::error::would_block if they are unable to perform the
|
|
* requested operation immediately. If @c false, synchronous operations will
|
|
* block until complete.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @note The non-blocking mode has no effect on the behaviour of asynchronous
|
|
* operations. Asynchronous operations will never fail with the error
|
|
* asio::error::would_block.
|
|
*/
|
|
void non_blocking(bool mode)
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().non_blocking(impl_.get_implementation(), mode, ec);
|
|
asio::detail::throw_error(ec, "non_blocking");
|
|
}
|
|
|
|
/// Sets the non-blocking mode of the acceptor.
|
|
/**
|
|
* @param mode If @c true, the acceptor's synchronous operations will fail
|
|
* with asio::error::would_block if they are unable to perform the
|
|
* requested operation immediately. If @c false, synchronous operations will
|
|
* block until complete.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @note The non-blocking mode has no effect on the behaviour of asynchronous
|
|
* operations. Asynchronous operations will never fail with the error
|
|
* asio::error::would_block.
|
|
*/
|
|
ASIO_SYNC_OP_VOID non_blocking(
|
|
bool mode, asio::error_code& ec)
|
|
{
|
|
impl_.get_service().non_blocking(impl_.get_implementation(), mode, ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Gets the non-blocking mode of the native acceptor implementation.
|
|
/**
|
|
* This function is used to retrieve the non-blocking mode of the underlying
|
|
* native acceptor. This mode has no effect on the behaviour of the acceptor
|
|
* object's synchronous operations.
|
|
*
|
|
* @returns @c true if the underlying acceptor is in non-blocking mode and
|
|
* direct system calls may fail with asio::error::would_block (or the
|
|
* equivalent system error).
|
|
*
|
|
* @note The current non-blocking mode is cached by the acceptor object.
|
|
* Consequently, the return value may be incorrect if the non-blocking mode
|
|
* was set directly on the native acceptor.
|
|
*/
|
|
bool native_non_blocking() const
|
|
{
|
|
return impl_.get_service().native_non_blocking(impl_.get_implementation());
|
|
}
|
|
|
|
/// Sets the non-blocking mode of the native acceptor implementation.
|
|
/**
|
|
* This function is used to modify the non-blocking mode of the underlying
|
|
* native acceptor. It has no effect on the behaviour of the acceptor object's
|
|
* synchronous operations.
|
|
*
|
|
* @param mode If @c true, the underlying acceptor is put into non-blocking
|
|
* mode and direct system calls may fail with asio::error::would_block
|
|
* (or the equivalent system error).
|
|
*
|
|
* @throws asio::system_error Thrown on failure. If the @c mode is
|
|
* @c false, but the current value of @c non_blocking() is @c true, this
|
|
* function fails with asio::error::invalid_argument, as the
|
|
* combination does not make sense.
|
|
*/
|
|
void native_non_blocking(bool mode)
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().native_non_blocking(
|
|
impl_.get_implementation(), mode, ec);
|
|
asio::detail::throw_error(ec, "native_non_blocking");
|
|
}
|
|
|
|
/// Sets the non-blocking mode of the native acceptor implementation.
|
|
/**
|
|
* This function is used to modify the non-blocking mode of the underlying
|
|
* native acceptor. It has no effect on the behaviour of the acceptor object's
|
|
* synchronous operations.
|
|
*
|
|
* @param mode If @c true, the underlying acceptor is put into non-blocking
|
|
* mode and direct system calls may fail with asio::error::would_block
|
|
* (or the equivalent system error).
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any. If the @c mode is
|
|
* @c false, but the current value of @c non_blocking() is @c true, this
|
|
* function fails with asio::error::invalid_argument, as the
|
|
* combination does not make sense.
|
|
*/
|
|
ASIO_SYNC_OP_VOID native_non_blocking(
|
|
bool mode, asio::error_code& ec)
|
|
{
|
|
impl_.get_service().native_non_blocking(
|
|
impl_.get_implementation(), mode, ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Get the local endpoint of the acceptor.
|
|
/**
|
|
* This function is used to obtain the locally bound endpoint of the acceptor.
|
|
*
|
|
* @returns An object that represents the local endpoint of the acceptor.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint();
|
|
* @endcode
|
|
*/
|
|
endpoint_type local_endpoint() const
|
|
{
|
|
asio::error_code ec;
|
|
endpoint_type ep = impl_.get_service().local_endpoint(
|
|
impl_.get_implementation(), ec);
|
|
asio::detail::throw_error(ec, "local_endpoint");
|
|
return ep;
|
|
}
|
|
|
|
/// Get the local endpoint of the acceptor.
|
|
/**
|
|
* This function is used to obtain the locally bound endpoint of the acceptor.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @returns An object that represents the local endpoint of the acceptor.
|
|
* Returns a default-constructed endpoint object if an error occurred and the
|
|
* error handler did not throw an exception.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::error_code ec;
|
|
* asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint(ec);
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
endpoint_type local_endpoint(asio::error_code& ec) const
|
|
{
|
|
return impl_.get_service().local_endpoint(impl_.get_implementation(), ec);
|
|
}
|
|
|
|
/// Wait for the acceptor to become ready to read, ready to write, or to have
|
|
/// pending error conditions.
|
|
/**
|
|
* This function is used to perform a blocking wait for an acceptor to enter
|
|
* a ready to read, write or error condition state.
|
|
*
|
|
* @param w Specifies the desired acceptor state.
|
|
*
|
|
* @par Example
|
|
* Waiting for an acceptor to become readable.
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* acceptor.wait(asio::ip::tcp::acceptor::wait_read);
|
|
* @endcode
|
|
*/
|
|
void wait(wait_type w)
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().wait(impl_.get_implementation(), w, ec);
|
|
asio::detail::throw_error(ec, "wait");
|
|
}
|
|
|
|
/// Wait for the acceptor to become ready to read, ready to write, or to have
|
|
/// pending error conditions.
|
|
/**
|
|
* This function is used to perform a blocking wait for an acceptor to enter
|
|
* a ready to read, write or error condition state.
|
|
*
|
|
* @param w Specifies the desired acceptor state.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @par Example
|
|
* Waiting for an acceptor to become readable.
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::error_code ec;
|
|
* acceptor.wait(asio::ip::tcp::acceptor::wait_read, ec);
|
|
* @endcode
|
|
*/
|
|
ASIO_SYNC_OP_VOID wait(wait_type w, asio::error_code& ec)
|
|
{
|
|
impl_.get_service().wait(impl_.get_implementation(), w, ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Asynchronously wait for the acceptor to become ready to read, ready to
|
|
/// write, or to have pending error conditions.
|
|
/**
|
|
* This function is used to perform an asynchronous wait for an acceptor to
|
|
* enter a ready to read, write or error condition state.
|
|
*
|
|
* @param w Specifies the desired acceptor state.
|
|
*
|
|
* @param handler The handler to be called when the wait operation completes.
|
|
* Copies will be made of the handler as required. The function signature of
|
|
* the handler must be:
|
|
* @code void handler(
|
|
* const asio::error_code& error // Result of operation
|
|
* ); @endcode
|
|
* Regardless of whether the asynchronous operation completes immediately or
|
|
* not, the handler will not be invoked from within this function. On
|
|
* immediate completion, invocation of the handler will be performed in a
|
|
* manner equivalent to using asio::post().
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* void wait_handler(const asio::error_code& error)
|
|
* {
|
|
* if (!error)
|
|
* {
|
|
* // Wait succeeded.
|
|
* }
|
|
* }
|
|
*
|
|
* ...
|
|
*
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* acceptor.async_wait(
|
|
* asio::ip::tcp::acceptor::wait_read,
|
|
* wait_handler);
|
|
* @endcode
|
|
*/
|
|
template <
|
|
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code))
|
|
WaitHandler ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
|
|
ASIO_INITFN_AUTO_RESULT_TYPE(WaitHandler,
|
|
void (asio::error_code))
|
|
async_wait(wait_type w,
|
|
ASIO_MOVE_ARG(WaitHandler) handler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
|
|
{
|
|
return async_initiate<WaitHandler, void (asio::error_code)>(
|
|
initiate_async_wait(this), handler, w);
|
|
}
|
|
|
|
#if !defined(ASIO_NO_EXTENSIONS)
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer into the
|
|
* given socket. The function call will block until a new connection has been
|
|
* accepted successfully or an error occurs.
|
|
*
|
|
* @param peer The socket into which the new connection will be accepted.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(my_context);
|
|
* acceptor.accept(socket);
|
|
* @endcode
|
|
*/
|
|
template <typename Protocol1, typename Executor1>
|
|
void accept(basic_socket<Protocol1, Executor1>& peer,
|
|
typename constraint<
|
|
is_convertible<Protocol, Protocol1>::value
|
|
>::type = 0)
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().accept(impl_.get_implementation(),
|
|
peer, static_cast<endpoint_type*>(0), ec);
|
|
asio::detail::throw_error(ec, "accept");
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer into the
|
|
* given socket. The function call will block until a new connection has been
|
|
* accepted successfully or an error occurs.
|
|
*
|
|
* @param peer The socket into which the new connection will be accepted.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(my_context);
|
|
* asio::error_code ec;
|
|
* acceptor.accept(socket, ec);
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
template <typename Protocol1, typename Executor1>
|
|
ASIO_SYNC_OP_VOID accept(
|
|
basic_socket<Protocol1, Executor1>& peer, asio::error_code& ec,
|
|
typename constraint<
|
|
is_convertible<Protocol, Protocol1>::value
|
|
>::type = 0)
|
|
{
|
|
impl_.get_service().accept(impl_.get_implementation(),
|
|
peer, static_cast<endpoint_type*>(0), ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Start an asynchronous accept.
|
|
/**
|
|
* This function is used to asynchronously accept a new connection into a
|
|
* socket. The function call always returns immediately.
|
|
*
|
|
* @param peer The socket into which the new connection will be accepted.
|
|
* Ownership of the peer object is retained by the caller, which must
|
|
* guarantee that it is valid until the handler is called.
|
|
*
|
|
* @param handler The handler to be called when the accept operation
|
|
* completes. Copies will be made of the handler as required. The function
|
|
* signature of the handler must be:
|
|
* @code void handler(
|
|
* const asio::error_code& error // Result of operation.
|
|
* ); @endcode
|
|
* Regardless of whether the asynchronous operation completes immediately or
|
|
* not, the handler will not be invoked from within this function. On
|
|
* immediate completion, invocation of the handler will be performed in a
|
|
* manner equivalent to using asio::post().
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* void accept_handler(const asio::error_code& error)
|
|
* {
|
|
* if (!error)
|
|
* {
|
|
* // Accept succeeded.
|
|
* }
|
|
* }
|
|
*
|
|
* ...
|
|
*
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(my_context);
|
|
* acceptor.async_accept(socket, accept_handler);
|
|
* @endcode
|
|
*/
|
|
template <typename Protocol1, typename Executor1,
|
|
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code))
|
|
AcceptHandler ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
|
|
ASIO_INITFN_AUTO_RESULT_TYPE(AcceptHandler,
|
|
void (asio::error_code))
|
|
async_accept(basic_socket<Protocol1, Executor1>& peer,
|
|
ASIO_MOVE_ARG(AcceptHandler) handler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN(executor_type),
|
|
typename constraint<
|
|
is_convertible<Protocol, Protocol1>::value
|
|
>::type = 0)
|
|
{
|
|
return async_initiate<AcceptHandler, void (asio::error_code)>(
|
|
initiate_async_accept(this), handler,
|
|
&peer, static_cast<endpoint_type*>(0));
|
|
}
|
|
|
|
/// Accept a new connection and obtain the endpoint of the peer
|
|
/**
|
|
* This function is used to accept a new connection from a peer into the
|
|
* given socket, and additionally provide the endpoint of the remote peer.
|
|
* The function call will block until a new connection has been accepted
|
|
* successfully or an error occurs.
|
|
*
|
|
* @param peer The socket into which the new connection will be accepted.
|
|
*
|
|
* @param peer_endpoint An endpoint object which will receive the endpoint of
|
|
* the remote peer.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(my_context);
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* acceptor.accept(socket, endpoint);
|
|
* @endcode
|
|
*/
|
|
template <typename Executor1>
|
|
void accept(basic_socket<protocol_type, Executor1>& peer,
|
|
endpoint_type& peer_endpoint)
|
|
{
|
|
asio::error_code ec;
|
|
impl_.get_service().accept(impl_.get_implementation(),
|
|
peer, &peer_endpoint, ec);
|
|
asio::detail::throw_error(ec, "accept");
|
|
}
|
|
|
|
/// Accept a new connection and obtain the endpoint of the peer
|
|
/**
|
|
* This function is used to accept a new connection from a peer into the
|
|
* given socket, and additionally provide the endpoint of the remote peer.
|
|
* The function call will block until a new connection has been accepted
|
|
* successfully or an error occurs.
|
|
*
|
|
* @param peer The socket into which the new connection will be accepted.
|
|
*
|
|
* @param peer_endpoint An endpoint object which will receive the endpoint of
|
|
* the remote peer.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(my_context);
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* asio::error_code ec;
|
|
* acceptor.accept(socket, endpoint, ec);
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
template <typename Executor1>
|
|
ASIO_SYNC_OP_VOID accept(basic_socket<protocol_type, Executor1>& peer,
|
|
endpoint_type& peer_endpoint, asio::error_code& ec)
|
|
{
|
|
impl_.get_service().accept(
|
|
impl_.get_implementation(), peer, &peer_endpoint, ec);
|
|
ASIO_SYNC_OP_VOID_RETURN(ec);
|
|
}
|
|
|
|
/// Start an asynchronous accept.
|
|
/**
|
|
* This function is used to asynchronously accept a new connection into a
|
|
* socket, and additionally obtain the endpoint of the remote peer. The
|
|
* function call always returns immediately.
|
|
*
|
|
* @param peer The socket into which the new connection will be accepted.
|
|
* Ownership of the peer object is retained by the caller, which must
|
|
* guarantee that it is valid until the handler is called.
|
|
*
|
|
* @param peer_endpoint An endpoint object into which the endpoint of the
|
|
* remote peer will be written. Ownership of the peer_endpoint object is
|
|
* retained by the caller, which must guarantee that it is valid until the
|
|
* handler is called.
|
|
*
|
|
* @param handler The handler to be called when the accept operation
|
|
* completes. Copies will be made of the handler as required. The function
|
|
* signature of the handler must be:
|
|
* @code void handler(
|
|
* const asio::error_code& error // Result of operation.
|
|
* ); @endcode
|
|
* Regardless of whether the asynchronous operation completes immediately or
|
|
* not, the handler will not be invoked from within this function. On
|
|
* immediate completion, invocation of the handler will be performed in a
|
|
* manner equivalent to using asio::post().
|
|
*/
|
|
template <typename Executor1,
|
|
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code))
|
|
AcceptHandler ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
|
|
ASIO_INITFN_AUTO_RESULT_TYPE(AcceptHandler,
|
|
void (asio::error_code))
|
|
async_accept(basic_socket<protocol_type, Executor1>& peer,
|
|
endpoint_type& peer_endpoint,
|
|
ASIO_MOVE_ARG(AcceptHandler) handler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
|
|
{
|
|
return async_initiate<AcceptHandler, void (asio::error_code)>(
|
|
initiate_async_accept(this), handler, &peer, &peer_endpoint);
|
|
}
|
|
#endif // !defined(ASIO_NO_EXTENSIONS)
|
|
|
|
#if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @returns A socket object representing the newly accepted connection.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(acceptor.accept());
|
|
* @endcode
|
|
*/
|
|
typename Protocol::socket::template rebind_executor<executor_type>::other
|
|
accept()
|
|
{
|
|
asio::error_code ec;
|
|
typename Protocol::socket::template rebind_executor<
|
|
executor_type>::other peer(impl_.get_executor());
|
|
impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
|
|
asio::detail::throw_error(ec, "accept");
|
|
return peer;
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @returns On success, a socket object representing the newly accepted
|
|
* connection. On error, a socket object where is_open() is false.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(acceptor.accept(ec));
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
typename Protocol::socket::template rebind_executor<executor_type>::other
|
|
accept(asio::error_code& ec)
|
|
{
|
|
typename Protocol::socket::template rebind_executor<
|
|
executor_type>::other peer(impl_.get_executor());
|
|
impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
|
|
return peer;
|
|
}
|
|
|
|
/// Start an asynchronous accept.
|
|
/**
|
|
* This function is used to asynchronously accept a new connection. The
|
|
* function call always returns immediately.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param handler The handler to be called when the accept operation
|
|
* completes. Copies will be made of the handler as required. The function
|
|
* signature of the handler must be:
|
|
* @code void handler(
|
|
* // Result of operation.
|
|
* const asio::error_code& error,
|
|
* // On success, the newly accepted socket.
|
|
* typename Protocol::socket::template
|
|
* rebind_executor<executor_type>::other peer
|
|
* ); @endcode
|
|
* Regardless of whether the asynchronous operation completes immediately or
|
|
* not, the handler will not be invoked from within this function. On
|
|
* immediate completion, invocation of the handler will be performed in a
|
|
* manner equivalent to using asio::post().
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* void accept_handler(const asio::error_code& error,
|
|
* asio::ip::tcp::socket peer)
|
|
* {
|
|
* if (!error)
|
|
* {
|
|
* // Accept succeeded.
|
|
* }
|
|
* }
|
|
*
|
|
* ...
|
|
*
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* acceptor.async_accept(accept_handler);
|
|
* @endcode
|
|
*/
|
|
template <
|
|
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
|
|
typename Protocol::socket::template rebind_executor<
|
|
executor_type>::other)) MoveAcceptHandler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
|
|
ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
|
|
void (asio::error_code,
|
|
typename Protocol::socket::template
|
|
rebind_executor<executor_type>::other))
|
|
async_accept(
|
|
ASIO_MOVE_ARG(MoveAcceptHandler) handler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
|
|
{
|
|
return async_initiate<MoveAcceptHandler,
|
|
void (asio::error_code, typename Protocol::socket::template
|
|
rebind_executor<executor_type>::other)>(
|
|
initiate_async_move_accept(this), handler,
|
|
impl_.get_executor(), static_cast<endpoint_type*>(0),
|
|
static_cast<typename Protocol::socket::template
|
|
rebind_executor<executor_type>::other*>(0));
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param ex The I/O executor object to be used for the newly
|
|
* accepted socket.
|
|
*
|
|
* @returns A socket object representing the newly accepted connection.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(acceptor.accept());
|
|
* @endcode
|
|
*/
|
|
template <typename Executor1>
|
|
typename Protocol::socket::template rebind_executor<Executor1>::other
|
|
accept(const Executor1& ex,
|
|
typename constraint<
|
|
is_executor<Executor1>::value
|
|
|| execution::is_executor<Executor1>::value
|
|
>::type = 0)
|
|
{
|
|
asio::error_code ec;
|
|
typename Protocol::socket::template
|
|
rebind_executor<Executor1>::other peer(ex);
|
|
impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
|
|
asio::detail::throw_error(ec, "accept");
|
|
return peer;
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param context The I/O execution context object to be used for the newly
|
|
* accepted socket.
|
|
*
|
|
* @returns A socket object representing the newly accepted connection.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(acceptor.accept());
|
|
* @endcode
|
|
*/
|
|
template <typename ExecutionContext>
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other
|
|
accept(ExecutionContext& context,
|
|
typename constraint<
|
|
is_convertible<ExecutionContext&, execution_context&>::value
|
|
>::type = 0)
|
|
{
|
|
asio::error_code ec;
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other peer(context);
|
|
impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
|
|
asio::detail::throw_error(ec, "accept");
|
|
return peer;
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param ex The I/O executor object to be used for the newly accepted
|
|
* socket.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @returns On success, a socket object representing the newly accepted
|
|
* connection. On error, a socket object where is_open() is false.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(acceptor.accept(my_context2, ec));
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
template <typename Executor1>
|
|
typename Protocol::socket::template rebind_executor<Executor1>::other
|
|
accept(const Executor1& ex, asio::error_code& ec,
|
|
typename constraint<
|
|
is_executor<Executor1>::value
|
|
|| execution::is_executor<Executor1>::value
|
|
>::type = 0)
|
|
{
|
|
typename Protocol::socket::template
|
|
rebind_executor<Executor1>::other peer(ex);
|
|
impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
|
|
return peer;
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param context The I/O execution context object to be used for the newly
|
|
* accepted socket.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @returns On success, a socket object representing the newly accepted
|
|
* connection. On error, a socket object where is_open() is false.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::socket socket(acceptor.accept(my_context2, ec));
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
template <typename ExecutionContext>
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other
|
|
accept(ExecutionContext& context, asio::error_code& ec,
|
|
typename constraint<
|
|
is_convertible<ExecutionContext&, execution_context&>::value
|
|
>::type = 0)
|
|
{
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other peer(context);
|
|
impl_.get_service().accept(impl_.get_implementation(), peer, 0, ec);
|
|
return peer;
|
|
}
|
|
|
|
/// Start an asynchronous accept.
|
|
/**
|
|
* This function is used to asynchronously accept a new connection. The
|
|
* function call always returns immediately.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param ex The I/O executor object to be used for the newly accepted
|
|
* socket.
|
|
*
|
|
* @param handler The handler to be called when the accept operation
|
|
* completes. Copies will be made of the handler as required. The function
|
|
* signature of the handler must be:
|
|
* @code void handler(
|
|
* const asio::error_code& error, // Result of operation.
|
|
* typename Protocol::socket::template rebind_executor<
|
|
* Executor1>::other peer // On success, the newly accepted socket.
|
|
* ); @endcode
|
|
* Regardless of whether the asynchronous operation completes immediately or
|
|
* not, the handler will not be invoked from within this function. On
|
|
* immediate completion, invocation of the handler will be performed in a
|
|
* manner equivalent to using asio::post().
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* void accept_handler(const asio::error_code& error,
|
|
* asio::ip::tcp::socket peer)
|
|
* {
|
|
* if (!error)
|
|
* {
|
|
* // Accept succeeded.
|
|
* }
|
|
* }
|
|
*
|
|
* ...
|
|
*
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* acceptor.async_accept(my_context2, accept_handler);
|
|
* @endcode
|
|
*/
|
|
template <typename Executor1,
|
|
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
|
|
typename Protocol::socket::template rebind_executor<
|
|
Executor1>::other)) MoveAcceptHandler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
|
|
ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
|
|
void (asio::error_code,
|
|
typename Protocol::socket::template rebind_executor<
|
|
Executor1>::other))
|
|
async_accept(const Executor1& ex,
|
|
ASIO_MOVE_ARG(MoveAcceptHandler) handler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN(executor_type),
|
|
typename constraint<
|
|
is_executor<Executor1>::value
|
|
|| execution::is_executor<Executor1>::value
|
|
>::type = 0)
|
|
{
|
|
typedef typename Protocol::socket::template rebind_executor<
|
|
Executor1>::other other_socket_type;
|
|
|
|
return async_initiate<MoveAcceptHandler,
|
|
void (asio::error_code, other_socket_type)>(
|
|
initiate_async_move_accept(this), handler,
|
|
ex, static_cast<endpoint_type*>(0),
|
|
static_cast<other_socket_type*>(0));
|
|
}
|
|
|
|
/// Start an asynchronous accept.
|
|
/**
|
|
* This function is used to asynchronously accept a new connection. The
|
|
* function call always returns immediately.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param context The I/O execution context object to be used for the newly
|
|
* accepted socket.
|
|
*
|
|
* @param handler The handler to be called when the accept operation
|
|
* completes. Copies will be made of the handler as required. The function
|
|
* signature of the handler must be:
|
|
* @code void handler(
|
|
* const asio::error_code& error, // Result of operation.
|
|
* typename Protocol::socket::template rebind_executor<
|
|
* typename ExecutionContext::executor_type>::other peer
|
|
* // On success, the newly accepted socket.
|
|
* ); @endcode
|
|
* Regardless of whether the asynchronous operation completes immediately or
|
|
* not, the handler will not be invoked from within this function. On
|
|
* immediate completion, invocation of the handler will be performed in a
|
|
* manner equivalent to using asio::post().
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* void accept_handler(const asio::error_code& error,
|
|
* asio::ip::tcp::socket peer)
|
|
* {
|
|
* if (!error)
|
|
* {
|
|
* // Accept succeeded.
|
|
* }
|
|
* }
|
|
*
|
|
* ...
|
|
*
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* acceptor.async_accept(my_context2, accept_handler);
|
|
* @endcode
|
|
*/
|
|
template <typename ExecutionContext,
|
|
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other)) MoveAcceptHandler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
|
|
ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
|
|
void (asio::error_code,
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other))
|
|
async_accept(ExecutionContext& context,
|
|
ASIO_MOVE_ARG(MoveAcceptHandler) handler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN(executor_type),
|
|
typename constraint<
|
|
is_convertible<ExecutionContext&, execution_context&>::value
|
|
>::type = 0)
|
|
{
|
|
typedef typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other other_socket_type;
|
|
|
|
return async_initiate<MoveAcceptHandler,
|
|
void (asio::error_code, other_socket_type)>(
|
|
initiate_async_move_accept(this), handler,
|
|
context.get_executor(), static_cast<endpoint_type*>(0),
|
|
static_cast<other_socket_type*>(0));
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param peer_endpoint An endpoint object into which the endpoint of the
|
|
* remote peer will be written.
|
|
*
|
|
* @returns A socket object representing the newly accepted connection.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* asio::ip::tcp::socket socket(acceptor.accept(endpoint));
|
|
* @endcode
|
|
*/
|
|
typename Protocol::socket::template rebind_executor<executor_type>::other
|
|
accept(endpoint_type& peer_endpoint)
|
|
{
|
|
asio::error_code ec;
|
|
typename Protocol::socket::template rebind_executor<
|
|
executor_type>::other peer(impl_.get_executor());
|
|
impl_.get_service().accept(impl_.get_implementation(),
|
|
peer, &peer_endpoint, ec);
|
|
asio::detail::throw_error(ec, "accept");
|
|
return peer;
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param peer_endpoint An endpoint object into which the endpoint of the
|
|
* remote peer will be written.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @returns On success, a socket object representing the newly accepted
|
|
* connection. On error, a socket object where is_open() is false.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* asio::ip::tcp::socket socket(acceptor.accept(endpoint, ec));
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
typename Protocol::socket::template rebind_executor<executor_type>::other
|
|
accept(endpoint_type& peer_endpoint, asio::error_code& ec)
|
|
{
|
|
typename Protocol::socket::template rebind_executor<
|
|
executor_type>::other peer(impl_.get_executor());
|
|
impl_.get_service().accept(impl_.get_implementation(),
|
|
peer, &peer_endpoint, ec);
|
|
return peer;
|
|
}
|
|
|
|
/// Start an asynchronous accept.
|
|
/**
|
|
* This function is used to asynchronously accept a new connection. The
|
|
* function call always returns immediately.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param peer_endpoint An endpoint object into which the endpoint of the
|
|
* remote peer will be written. Ownership of the peer_endpoint object is
|
|
* retained by the caller, which must guarantee that it is valid until the
|
|
* handler is called.
|
|
*
|
|
* @param handler The handler to be called when the accept operation
|
|
* completes. Copies will be made of the handler as required. The function
|
|
* signature of the handler must be:
|
|
* @code void handler(
|
|
* // Result of operation.
|
|
* const asio::error_code& error,
|
|
* // On success, the newly accepted socket.
|
|
* typename Protocol::socket::template
|
|
* rebind_executor<executor_type>::other peer
|
|
* ); @endcode
|
|
* Regardless of whether the asynchronous operation completes immediately or
|
|
* not, the handler will not be invoked from within this function. On
|
|
* immediate completion, invocation of the handler will be performed in a
|
|
* manner equivalent to using asio::post().
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* void accept_handler(const asio::error_code& error,
|
|
* asio::ip::tcp::socket peer)
|
|
* {
|
|
* if (!error)
|
|
* {
|
|
* // Accept succeeded.
|
|
* }
|
|
* }
|
|
*
|
|
* ...
|
|
*
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* acceptor.async_accept(endpoint, accept_handler);
|
|
* @endcode
|
|
*/
|
|
template <
|
|
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
|
|
typename Protocol::socket::template rebind_executor<
|
|
executor_type>::other)) MoveAcceptHandler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
|
|
ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
|
|
void (asio::error_code,
|
|
typename Protocol::socket::template
|
|
rebind_executor<executor_type>::other))
|
|
async_accept(endpoint_type& peer_endpoint,
|
|
ASIO_MOVE_ARG(MoveAcceptHandler) handler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN(executor_type))
|
|
{
|
|
return async_initiate<MoveAcceptHandler,
|
|
void (asio::error_code, typename Protocol::socket::template
|
|
rebind_executor<executor_type>::other)>(
|
|
initiate_async_move_accept(this), handler,
|
|
impl_.get_executor(), &peer_endpoint,
|
|
static_cast<typename Protocol::socket::template
|
|
rebind_executor<executor_type>::other*>(0));
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param ex The I/O executor object to be used for the newly accepted
|
|
* socket.
|
|
*
|
|
* @param peer_endpoint An endpoint object into which the endpoint of the
|
|
* remote peer will be written.
|
|
*
|
|
* @returns A socket object representing the newly accepted connection.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* asio::ip::tcp::socket socket(
|
|
* acceptor.accept(my_context2, endpoint));
|
|
* @endcode
|
|
*/
|
|
template <typename Executor1>
|
|
typename Protocol::socket::template rebind_executor<Executor1>::other
|
|
accept(const Executor1& ex, endpoint_type& peer_endpoint,
|
|
typename constraint<
|
|
is_executor<Executor1>::value
|
|
|| execution::is_executor<Executor1>::value
|
|
>::type = 0)
|
|
{
|
|
asio::error_code ec;
|
|
typename Protocol::socket::template
|
|
rebind_executor<Executor1>::other peer(ex);
|
|
impl_.get_service().accept(impl_.get_implementation(),
|
|
peer, &peer_endpoint, ec);
|
|
asio::detail::throw_error(ec, "accept");
|
|
return peer;
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param context The I/O execution context object to be used for the newly
|
|
* accepted socket.
|
|
*
|
|
* @param peer_endpoint An endpoint object into which the endpoint of the
|
|
* remote peer will be written.
|
|
*
|
|
* @returns A socket object representing the newly accepted connection.
|
|
*
|
|
* @throws asio::system_error Thrown on failure.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* asio::ip::tcp::socket socket(
|
|
* acceptor.accept(my_context2, endpoint));
|
|
* @endcode
|
|
*/
|
|
template <typename ExecutionContext>
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other
|
|
accept(ExecutionContext& context, endpoint_type& peer_endpoint,
|
|
typename constraint<
|
|
is_convertible<ExecutionContext&, execution_context&>::value
|
|
>::type = 0)
|
|
{
|
|
asio::error_code ec;
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other peer(context);
|
|
impl_.get_service().accept(impl_.get_implementation(),
|
|
peer, &peer_endpoint, ec);
|
|
asio::detail::throw_error(ec, "accept");
|
|
return peer;
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param ex The I/O executor object to be used for the newly accepted
|
|
* socket.
|
|
*
|
|
* @param peer_endpoint An endpoint object into which the endpoint of the
|
|
* remote peer will be written.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @returns On success, a socket object representing the newly accepted
|
|
* connection. On error, a socket object where is_open() is false.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* asio::ip::tcp::socket socket(
|
|
* acceptor.accept(my_context2, endpoint, ec));
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
template <typename Executor1>
|
|
typename Protocol::socket::template rebind_executor<Executor1>::other
|
|
accept(const executor_type& ex,
|
|
endpoint_type& peer_endpoint, asio::error_code& ec,
|
|
typename constraint<
|
|
is_executor<Executor1>::value
|
|
|| execution::is_executor<Executor1>::value
|
|
>::type = 0)
|
|
{
|
|
typename Protocol::socket::template
|
|
rebind_executor<Executor1>::other peer(ex);
|
|
impl_.get_service().accept(impl_.get_implementation(),
|
|
peer, &peer_endpoint, ec);
|
|
return peer;
|
|
}
|
|
|
|
/// Accept a new connection.
|
|
/**
|
|
* This function is used to accept a new connection from a peer. The function
|
|
* call will block until a new connection has been accepted successfully or
|
|
* an error occurs.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param context The I/O execution context object to be used for the newly
|
|
* accepted socket.
|
|
*
|
|
* @param peer_endpoint An endpoint object into which the endpoint of the
|
|
* remote peer will be written.
|
|
*
|
|
* @param ec Set to indicate what error occurred, if any.
|
|
*
|
|
* @returns On success, a socket object representing the newly accepted
|
|
* connection. On error, a socket object where is_open() is false.
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* asio::ip::tcp::socket socket(
|
|
* acceptor.accept(my_context2, endpoint, ec));
|
|
* if (ec)
|
|
* {
|
|
* // An error occurred.
|
|
* }
|
|
* @endcode
|
|
*/
|
|
template <typename ExecutionContext>
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other
|
|
accept(ExecutionContext& context,
|
|
endpoint_type& peer_endpoint, asio::error_code& ec,
|
|
typename constraint<
|
|
is_convertible<ExecutionContext&, execution_context&>::value
|
|
>::type = 0)
|
|
{
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other peer(context);
|
|
impl_.get_service().accept(impl_.get_implementation(),
|
|
peer, &peer_endpoint, ec);
|
|
return peer;
|
|
}
|
|
|
|
/// Start an asynchronous accept.
|
|
/**
|
|
* This function is used to asynchronously accept a new connection. The
|
|
* function call always returns immediately.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param ex The I/O executor object to be used for the newly accepted
|
|
* socket.
|
|
*
|
|
* @param peer_endpoint An endpoint object into which the endpoint of the
|
|
* remote peer will be written. Ownership of the peer_endpoint object is
|
|
* retained by the caller, which must guarantee that it is valid until the
|
|
* handler is called.
|
|
*
|
|
* @param handler The handler to be called when the accept operation
|
|
* completes. Copies will be made of the handler as required. The function
|
|
* signature of the handler must be:
|
|
* @code void handler(
|
|
* const asio::error_code& error, // Result of operation.
|
|
* typename Protocol::socket::template rebind_executor<
|
|
* Executor1>::other peer // On success, the newly accepted socket.
|
|
* ); @endcode
|
|
* Regardless of whether the asynchronous operation completes immediately or
|
|
* not, the handler will not be invoked from within this function. On
|
|
* immediate completion, invocation of the handler will be performed in a
|
|
* manner equivalent to using asio::post().
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* void accept_handler(const asio::error_code& error,
|
|
* asio::ip::tcp::socket peer)
|
|
* {
|
|
* if (!error)
|
|
* {
|
|
* // Accept succeeded.
|
|
* }
|
|
* }
|
|
*
|
|
* ...
|
|
*
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* acceptor.async_accept(my_context2, endpoint, accept_handler);
|
|
* @endcode
|
|
*/
|
|
template <typename Executor1,
|
|
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
|
|
typename Protocol::socket::template rebind_executor<
|
|
Executor1>::other)) MoveAcceptHandler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
|
|
ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
|
|
void (asio::error_code,
|
|
typename Protocol::socket::template rebind_executor<
|
|
Executor1>::other))
|
|
async_accept(const Executor1& ex, endpoint_type& peer_endpoint,
|
|
ASIO_MOVE_ARG(MoveAcceptHandler) handler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN(executor_type),
|
|
typename constraint<
|
|
is_executor<Executor1>::value
|
|
|| execution::is_executor<Executor1>::value
|
|
>::type = 0)
|
|
{
|
|
typedef typename Protocol::socket::template rebind_executor<
|
|
Executor1>::other other_socket_type;
|
|
|
|
return async_initiate<MoveAcceptHandler,
|
|
void (asio::error_code, other_socket_type)>(
|
|
initiate_async_move_accept(this), handler,
|
|
ex, &peer_endpoint,
|
|
static_cast<other_socket_type*>(0));
|
|
}
|
|
|
|
/// Start an asynchronous accept.
|
|
/**
|
|
* This function is used to asynchronously accept a new connection. The
|
|
* function call always returns immediately.
|
|
*
|
|
* This overload requires that the Protocol template parameter satisfy the
|
|
* AcceptableProtocol type requirements.
|
|
*
|
|
* @param context The I/O execution context object to be used for the newly
|
|
* accepted socket.
|
|
*
|
|
* @param peer_endpoint An endpoint object into which the endpoint of the
|
|
* remote peer will be written. Ownership of the peer_endpoint object is
|
|
* retained by the caller, which must guarantee that it is valid until the
|
|
* handler is called.
|
|
*
|
|
* @param handler The handler to be called when the accept operation
|
|
* completes. Copies will be made of the handler as required. The function
|
|
* signature of the handler must be:
|
|
* @code void handler(
|
|
* const asio::error_code& error, // Result of operation.
|
|
* typename Protocol::socket::template rebind_executor<
|
|
* typename ExecutionContext::executor_type>::other peer
|
|
* // On success, the newly accepted socket.
|
|
* ); @endcode
|
|
* Regardless of whether the asynchronous operation completes immediately or
|
|
* not, the handler will not be invoked from within this function. On
|
|
* immediate completion, invocation of the handler will be performed in a
|
|
* manner equivalent to using asio::post().
|
|
*
|
|
* @par Example
|
|
* @code
|
|
* void accept_handler(const asio::error_code& error,
|
|
* asio::ip::tcp::socket peer)
|
|
* {
|
|
* if (!error)
|
|
* {
|
|
* // Accept succeeded.
|
|
* }
|
|
* }
|
|
*
|
|
* ...
|
|
*
|
|
* asio::ip::tcp::acceptor acceptor(my_context);
|
|
* ...
|
|
* asio::ip::tcp::endpoint endpoint;
|
|
* acceptor.async_accept(my_context2, endpoint, accept_handler);
|
|
* @endcode
|
|
*/
|
|
template <typename ExecutionContext,
|
|
ASIO_COMPLETION_TOKEN_FOR(void (asio::error_code,
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other)) MoveAcceptHandler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN_TYPE(executor_type)>
|
|
ASIO_INITFN_AUTO_RESULT_TYPE(MoveAcceptHandler,
|
|
void (asio::error_code,
|
|
typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other))
|
|
async_accept(ExecutionContext& context,
|
|
endpoint_type& peer_endpoint,
|
|
ASIO_MOVE_ARG(MoveAcceptHandler) handler
|
|
ASIO_DEFAULT_COMPLETION_TOKEN(executor_type),
|
|
typename constraint<
|
|
is_convertible<ExecutionContext&, execution_context&>::value
|
|
>::type = 0)
|
|
{
|
|
typedef typename Protocol::socket::template rebind_executor<
|
|
typename ExecutionContext::executor_type>::other other_socket_type;
|
|
|
|
return async_initiate<MoveAcceptHandler,
|
|
void (asio::error_code, other_socket_type)>(
|
|
initiate_async_move_accept(this), handler,
|
|
context.get_executor(), &peer_endpoint,
|
|
static_cast<other_socket_type*>(0));
|
|
}
|
|
#endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
|
|
|
|
private:
|
|
// Disallow copying and assignment.
|
|
basic_socket_acceptor(const basic_socket_acceptor&) ASIO_DELETED;
|
|
basic_socket_acceptor& operator=(
|
|
const basic_socket_acceptor&) ASIO_DELETED;
|
|
|
|
class initiate_async_wait
|
|
{
|
|
public:
|
|
typedef Executor executor_type;
|
|
|
|
explicit initiate_async_wait(basic_socket_acceptor* self)
|
|
: self_(self)
|
|
{
|
|
}
|
|
|
|
executor_type get_executor() const ASIO_NOEXCEPT
|
|
{
|
|
return self_->get_executor();
|
|
}
|
|
|
|
template <typename WaitHandler>
|
|
void operator()(ASIO_MOVE_ARG(WaitHandler) handler, wait_type w) const
|
|
{
|
|
// If you get an error on the following line it means that your handler
|
|
// does not meet the documented type requirements for a WaitHandler.
|
|
ASIO_WAIT_HANDLER_CHECK(WaitHandler, handler) type_check;
|
|
|
|
detail::non_const_lvalue<WaitHandler> handler2(handler);
|
|
self_->impl_.get_service().async_wait(
|
|
self_->impl_.get_implementation(), w,
|
|
handler2.value, self_->impl_.get_executor());
|
|
}
|
|
|
|
private:
|
|
basic_socket_acceptor* self_;
|
|
};
|
|
|
|
class initiate_async_accept
|
|
{
|
|
public:
|
|
typedef Executor executor_type;
|
|
|
|
explicit initiate_async_accept(basic_socket_acceptor* self)
|
|
: self_(self)
|
|
{
|
|
}
|
|
|
|
executor_type get_executor() const ASIO_NOEXCEPT
|
|
{
|
|
return self_->get_executor();
|
|
}
|
|
|
|
template <typename AcceptHandler, typename Protocol1, typename Executor1>
|
|
void operator()(ASIO_MOVE_ARG(AcceptHandler) handler,
|
|
basic_socket<Protocol1, Executor1>* peer,
|
|
endpoint_type* peer_endpoint) const
|
|
{
|
|
// If you get an error on the following line it means that your handler
|
|
// does not meet the documented type requirements for a AcceptHandler.
|
|
ASIO_ACCEPT_HANDLER_CHECK(AcceptHandler, handler) type_check;
|
|
|
|
detail::non_const_lvalue<AcceptHandler> handler2(handler);
|
|
self_->impl_.get_service().async_accept(
|
|
self_->impl_.get_implementation(), *peer, peer_endpoint,
|
|
handler2.value, self_->impl_.get_executor());
|
|
}
|
|
|
|
private:
|
|
basic_socket_acceptor* self_;
|
|
};
|
|
|
|
class initiate_async_move_accept
|
|
{
|
|
public:
|
|
typedef Executor executor_type;
|
|
|
|
explicit initiate_async_move_accept(basic_socket_acceptor* self)
|
|
: self_(self)
|
|
{
|
|
}
|
|
|
|
executor_type get_executor() const ASIO_NOEXCEPT
|
|
{
|
|
return self_->get_executor();
|
|
}
|
|
|
|
template <typename MoveAcceptHandler, typename Executor1, typename Socket>
|
|
void operator()(ASIO_MOVE_ARG(MoveAcceptHandler) handler,
|
|
const Executor1& peer_ex, endpoint_type* peer_endpoint, Socket*) const
|
|
{
|
|
// If you get an error on the following line it means that your handler
|
|
// does not meet the documented type requirements for a MoveAcceptHandler.
|
|
ASIO_MOVE_ACCEPT_HANDLER_CHECK(
|
|
MoveAcceptHandler, handler, Socket) type_check;
|
|
|
|
detail::non_const_lvalue<MoveAcceptHandler> handler2(handler);
|
|
self_->impl_.get_service().async_move_accept(
|
|
self_->impl_.get_implementation(), peer_ex, peer_endpoint,
|
|
handler2.value, self_->impl_.get_executor());
|
|
}
|
|
|
|
private:
|
|
basic_socket_acceptor* self_;
|
|
};
|
|
|
|
#if defined(ASIO_WINDOWS_RUNTIME)
|
|
detail::io_object_impl<
|
|
detail::null_socket_service<Protocol>, Executor> impl_;
|
|
#elif defined(ASIO_HAS_IOCP)
|
|
detail::io_object_impl<
|
|
detail::win_iocp_socket_service<Protocol>, Executor> impl_;
|
|
#else
|
|
detail::io_object_impl<
|
|
detail::reactive_socket_service<Protocol>, Executor> impl_;
|
|
#endif
|
|
};
|
|
|
|
} // namespace asio
|
|
|
|
#include "asio/detail/pop_options.hpp"
|
|
|
|
#endif // ASIO_BASIC_SOCKET_ACCEPTOR_HPP
|