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+//
+// basic_socket_acceptor.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef BOOST_ASIO_BASIC_SOCKET_ACCEPTOR_HPP
+#define BOOST_ASIO_BASIC_SOCKET_ACCEPTOR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/push_options.hpp>
+
+#include <boost/asio/basic_io_object.hpp>
+#include <boost/asio/basic_socket.hpp>
+#include <boost/asio/error.hpp>
+#include <boost/asio/socket_acceptor_service.hpp>
+#include <boost/asio/socket_base.hpp>
+#include <boost/asio/detail/throw_error.hpp>
+
+namespace boost {
+namespace asio {
+
+/// Provides the ability to accept new connections.
+/**
+ * The basic_socket_acceptor class template is used for accepting new socket
+ * connections.
+ *
+ * @par Thread Safety
+ * @e Distinct @e objects: Safe.@n
+ * @e Shared @e objects: Unsafe.
+ *
+ * @par Example
+ * Opening a socket acceptor with the SO_REUSEADDR option enabled:
+ * @code
+ * boost::asio::ip::tcp::acceptor acceptor(io_service);
+ * boost::asio::ip::tcp::endpoint endpoint(boost::asio::ip::tcp::v4(), port);
+ * acceptor.open(endpoint.protocol());
+ * acceptor.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
+ * acceptor.bind(endpoint);
+ * acceptor.listen();
+ * @endcode
+ */
+template <typename Protocol,
+    typename SocketAcceptorService = socket_acceptor_service<Protocol> >
+class basic_socket_acceptor
+  : public basic_io_object<SocketAcceptorService>,
+    public socket_base
+{
+public:
+  /// The native representation of an acceptor.
+  typedef typename SocketAcceptorService::native_type native_type;
+
+  /// The protocol type.
+  typedef Protocol protocol_type;
+
+  /// The endpoint type.
+  typedef typename Protocol::endpoint endpoint_type;
+
+  /// Construct an acceptor without opening it.
+  /**
+   * This constructor creates an acceptor without opening it to listen for new
+   * connections. The open() function must be called before the acceptor can
+   * accept new socket connections.
+   *
+   * @param io_service The io_service object that the acceptor will use to
+   * dispatch handlers for any asynchronous operations performed on the
+   * acceptor.
+   */
+  explicit basic_socket_acceptor(boost::asio::io_service& io_service)
+    : basic_io_object<SocketAcceptorService>(io_service)
+  {
+  }
+
+  /// Construct an open acceptor.
+  /**
+   * This constructor creates an acceptor and automatically opens it.
+   *
+   * @param io_service The io_service object that the acceptor will use to
+   * dispatch handlers for any asynchronous operations performed on the
+   * acceptor.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  basic_socket_acceptor(boost::asio::io_service& io_service,
+      const protocol_type& protocol)
+    : basic_io_object<SocketAcceptorService>(io_service)
+  {
+    boost::system::error_code ec;
+    this->service.open(this->implementation, protocol, ec);
+    boost::asio::detail::throw_error(ec);
+  }
+
+  /// Construct an acceptor opened on the given endpoint.
+  /**
+   * This constructor creates an acceptor and automatically opens it to listen
+   * for new connections on the specified endpoint.
+   *
+   * @param io_service The io_service object that the acceptor will use to
+   * dispatch handlers for any asynchronous operations performed on the
+   * acceptor.
+   *
+   * @param endpoint An endpoint on the local machine on which the acceptor
+   * will listen for new connections.
+   *
+   * @param reuse_addr Whether the constructor should set the socket option
+   * socket_base::reuse_address.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   *
+   * @note This constructor is equivalent to the following code:
+   * @code
+   * basic_socket_acceptor<Protocol> acceptor(io_service);
+   * acceptor.open(endpoint.protocol());
+   * if (reuse_addr)
+   *   acceptor.set_option(socket_base::reuse_address(true));
+   * acceptor.bind(endpoint);
+   * acceptor.listen(listen_backlog);
+   * @endcode
+   */
+  basic_socket_acceptor(boost::asio::io_service& io_service,
+      const endpoint_type& endpoint, bool reuse_addr = true)
+    : basic_io_object<SocketAcceptorService>(io_service)
+  {
+    boost::system::error_code ec;
+    this->service.open(this->implementation, endpoint.protocol(), ec);
+    boost::asio::detail::throw_error(ec);
+    if (reuse_addr)
+    {
+      this->service.set_option(this->implementation,
+          socket_base::reuse_address(true), ec);
+      boost::asio::detail::throw_error(ec);
+    }
+    this->service.bind(this->implementation, endpoint, ec);
+    boost::asio::detail::throw_error(ec);
+    this->service.listen(this->implementation,
+        socket_base::max_connections, ec);
+    boost::asio::detail::throw_error(ec);
+  }
+
+  /// Construct a basic_socket_acceptor on an existing native acceptor.
+  /**
+   * This constructor creates an acceptor object to hold an existing native
+   * acceptor.
+   *
+   * @param io_service The io_service object that the acceptor will use to
+   * dispatch handlers for any asynchronous operations performed on the
+   * acceptor.
+   *
+   * @param protocol An object specifying protocol parameters to be used.
+   *
+   * @param native_acceptor A native acceptor.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  basic_socket_acceptor(boost::asio::io_service& io_service,
+      const protocol_type& protocol, const native_type& native_acceptor)
+    : basic_io_object<SocketAcceptorService>(io_service)
+  {
+    boost::system::error_code ec;
+    this->service.assign(this->implementation, protocol, native_acceptor, ec);
+    boost::asio::detail::throw_error(ec);
+  }
+
+  /// Open the acceptor using the specified protocol.
+  /**
+   * This function opens the socket acceptor so that it will use the specified
+   * protocol.
+   *
+   * @param protocol An object specifying which protocol is to be used.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   *
+   * @par Example
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * acceptor.open(boost::asio::ip::tcp::v4());
+   * @endcode
+   */
+  void open(const protocol_type& protocol = protocol_type())
+  {
+    boost::system::error_code ec;
+    this->service.open(this->implementation, protocol, ec);
+    boost::asio::detail::throw_error(ec);
+  }
+
+  /// Open the acceptor using the specified protocol.
+  /**
+   * This function opens the socket acceptor so that it will use the specified
+   * protocol.
+   *
+   * @param protocol An object specifying which protocol is to be used.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @par Example
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * boost::system::error_code ec;
+   * acceptor.open(boost::asio::ip::tcp::v4(), ec);
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  boost::system::error_code open(const protocol_type& protocol,
+      boost::system::error_code& ec)
+  {
+    return this->service.open(this->implementation, protocol, ec);
+  }
+
+  /// 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.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  void assign(const protocol_type& protocol, const native_type& native_acceptor)
+  {
+    boost::system::error_code ec;
+    this->service.assign(this->implementation, protocol, native_acceptor, ec);
+    boost::asio::detail::throw_error(ec);
+  }
+
+  /// 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.
+   */
+  boost::system::error_code assign(const protocol_type& protocol,
+      const native_type& native_acceptor, boost::system::error_code& ec)
+  {
+    return this->service.assign(this->implementation,
+        protocol, native_acceptor, ec);
+  }
+
+  /// Determine whether the acceptor is open.
+  bool is_open() const
+  {
+    return this->service.is_open(this->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 boost::system::system_error Thrown on failure.
+   *
+   * @par Example
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * acceptor.open(boost::asio::ip::tcp::v4());
+   * acceptor.bind(boost::asio::ip::tcp::endpoint(12345));
+   * @endcode
+   */
+  void bind(const endpoint_type& endpoint)
+  {
+    boost::system::error_code ec;
+    this->service.bind(this->implementation, endpoint, ec);
+    boost::asio::detail::throw_error(ec);
+  }
+
+  /// 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
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * acceptor.open(boost::asio::ip::tcp::v4());
+   * boost::system::error_code ec;
+   * acceptor.bind(boost::asio::ip::tcp::endpoint(12345), ec);
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  boost::system::error_code bind(const endpoint_type& endpoint,
+      boost::system::error_code& ec)
+  {
+    return this->service.bind(this->implementation, endpoint, 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 boost::system::system_error Thrown on failure.
+   */
+  void listen(int backlog = socket_base::max_connections)
+  {
+    boost::system::error_code ec;
+    this->service.listen(this->implementation, backlog, ec);
+    boost::asio::detail::throw_error(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.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @par Example
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::system::error_code ec;
+   * acceptor.listen(boost::asio::socket_base::max_connections, ec);
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  boost::system::error_code listen(int backlog, boost::system::error_code& ec)
+  {
+    return this->service.listen(this->implementation, backlog, 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 boost::system::system_error Thrown on failure.
+   */
+  void close()
+  {
+    boost::system::error_code ec;
+    this->service.close(this->implementation, ec);
+    boost::asio::detail::throw_error(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.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @par Example
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::system::error_code ec;
+   * acceptor.close(ec);
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  boost::system::error_code close(boost::system::error_code& ec)
+  {
+    return this->service.close(this->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_type native()
+  {
+    return this->service.native(this->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 boost::asio::error::operation_aborted error.
+   *
+   * @throws boost::system::system_error Thrown on failure.
+   */
+  void cancel()
+  {
+    boost::system::error_code ec;
+    this->service.cancel(this->implementation, ec);
+    boost::asio::detail::throw_error(ec);
+  }
+
+  /// 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 boost::asio::error::operation_aborted error.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   */
+  boost::system::error_code cancel(boost::system::error_code& ec)
+  {
+    return this->service.cancel(this->implementation, 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 boost::system::system_error Thrown on failure.
+   *
+   * @sa SettableSocketOption @n
+   * boost::asio::socket_base::reuse_address
+   * boost::asio::socket_base::enable_connection_aborted
+   *
+   * @par Example
+   * Setting the SOL_SOCKET/SO_REUSEADDR option:
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::asio::ip::tcp::acceptor::reuse_address option(true);
+   * acceptor.set_option(option);
+   * @endcode
+   */
+  template <typename SettableSocketOption>
+  void set_option(const SettableSocketOption& option)
+  {
+    boost::system::error_code ec;
+    this->service.set_option(this->implementation, option, ec);
+    boost::asio::detail::throw_error(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.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @sa SettableSocketOption @n
+   * boost::asio::socket_base::reuse_address
+   * boost::asio::socket_base::enable_connection_aborted
+   *
+   * @par Example
+   * Setting the SOL_SOCKET/SO_REUSEADDR option:
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::asio::ip::tcp::acceptor::reuse_address option(true);
+   * boost::system::error_code ec;
+   * acceptor.set_option(option, ec);
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename SettableSocketOption>
+  boost::system::error_code set_option(const SettableSocketOption& option,
+      boost::system::error_code& ec)
+  {
+    return this->service.set_option(this->implementation, option, 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 boost::system::system_error Thrown on failure.
+   *
+   * @sa GettableSocketOption @n
+   * boost::asio::socket_base::reuse_address
+   *
+   * @par Example
+   * Getting the value of the SOL_SOCKET/SO_REUSEADDR option:
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::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)
+  {
+    boost::system::error_code ec;
+    this->service.get_option(this->implementation, option, ec);
+    boost::asio::detail::throw_error(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.
+   *
+   * @param ec Set to indicate what error occurred, if any.
+   *
+   * @sa GettableSocketOption @n
+   * boost::asio::socket_base::reuse_address
+   *
+   * @par Example
+   * Getting the value of the SOL_SOCKET/SO_REUSEADDR option:
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::asio::ip::tcp::acceptor::reuse_address option;
+   * boost::system::error_code ec;
+   * acceptor.get_option(option, ec);
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * bool is_set = option.get();
+   * @endcode
+   */
+  template <typename GettableSocketOption>
+  boost::system::error_code get_option(GettableSocketOption& option,
+      boost::system::error_code& ec)
+  {
+    return this->service.get_option(this->implementation, option, 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 boost::system::system_error Thrown on failure.
+   *
+   * @par Example
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint();
+   * @endcode
+   */
+  endpoint_type local_endpoint() const
+  {
+    boost::system::error_code ec;
+    endpoint_type ep = this->service.local_endpoint(this->implementation, ec);
+    boost::asio::detail::throw_error(ec);
+    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
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::system::error_code ec;
+   * boost::asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint(ec);
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  endpoint_type local_endpoint(boost::system::error_code& ec) const
+  {
+    return this->service.local_endpoint(this->implementation, ec);
+  }
+
+  /// 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 boost::system::system_error Thrown on failure.
+   *
+   * @par Example
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::asio::ip::tcp::socket socket(io_service);
+   * acceptor.accept(socket);
+   * @endcode
+   */
+  template <typename SocketService>
+  void accept(basic_socket<protocol_type, SocketService>& peer)
+  {
+    boost::system::error_code ec;
+    this->service.accept(this->implementation, peer, 0, ec);
+    boost::asio::detail::throw_error(ec);
+  }
+
+  /// 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
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::asio::ip::tcp::soocket socket(io_service);
+   * boost::system::error_code ec;
+   * acceptor.accept(socket, ec);
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename SocketService>
+  boost::system::error_code accept(
+      basic_socket<protocol_type, SocketService>& peer,
+      boost::system::error_code& ec)
+  {
+    return this->service.accept(this->implementation, peer, 0, 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 boost::system::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. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * boost::asio::io_service::post().
+   *
+   * @par Example
+   * @code
+   * void accept_handler(const boost::system::error_code& error)
+   * {
+   *   if (!error)
+   *   {
+   *     // Accept succeeded.
+   *   }
+   * }
+   *
+   * ...
+   *
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::asio::ip::tcp::socket socket(io_service);
+   * acceptor.async_accept(socket, accept_handler);
+   * @endcode
+   */
+  template <typename SocketService, typename AcceptHandler>
+  void async_accept(basic_socket<protocol_type, SocketService>& peer,
+      AcceptHandler handler)
+  {
+    this->service.async_accept(this->implementation, peer, 0, handler);
+  }
+
+  /// 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 boost::system::system_error Thrown on failure.
+   *
+   * @par Example
+   * @code
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::asio::ip::tcp::socket socket(io_service);
+   * boost::asio::ip::tcp::endpoint endpoint;
+   * acceptor.accept(socket, endpoint);
+   * @endcode
+   */
+  template <typename SocketService>
+  void accept(basic_socket<protocol_type, SocketService>& peer,
+      endpoint_type& peer_endpoint)
+  {
+    boost::system::error_code ec;
+    this->service.accept(this->implementation, peer, &peer_endpoint, ec);
+    boost::asio::detail::throw_error(ec);
+  }
+
+  /// 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
+   * boost::asio::ip::tcp::acceptor acceptor(io_service);
+   * ...
+   * boost::asio::ip::tcp::socket socket(io_service);
+   * boost::asio::ip::tcp::endpoint endpoint;
+   * boost::system::error_code ec;
+   * acceptor.accept(socket, endpoint, ec);
+   * if (ec)
+   * {
+   *   // An error occurred.
+   * }
+   * @endcode
+   */
+  template <typename SocketService>
+  boost::system::error_code accept(
+      basic_socket<protocol_type, SocketService>& peer,
+      endpoint_type& peer_endpoint, boost::system::error_code& ec)
+  {
+    return this->service.accept(this->implementation, peer, &peer_endpoint, 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 boost::system::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. Invocation
+   * of the handler will be performed in a manner equivalent to using
+   * boost::asio::io_service::post().
+   */
+  template <typename SocketService, typename AcceptHandler>
+  void async_accept(basic_socket<protocol_type, SocketService>& peer,
+      endpoint_type& peer_endpoint, AcceptHandler handler)
+  {
+    this->service.async_accept(this->implementation,
+        peer, &peer_endpoint, handler);
+  }
+};
+
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_BASIC_SOCKET_ACCEPTOR_HPP