| // |
| // basic_socket_acceptor.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2015 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 ASIO_BASIC_SOCKET_ACCEPTOR_HPP |
| #define ASIO_BASIC_SOCKET_ACCEPTOR_HPP |
| |
| #if defined(_MSC_VER) && (_MSC_VER >= 1200) |
| # pragma once |
| #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) |
| |
| #include "asio/detail/config.hpp" |
| #include "asio/basic_io_object.hpp" |
| #include "asio/basic_socket.hpp" |
| #include "asio/detail/handler_type_requirements.hpp" |
| #include "asio/detail/throw_error.hpp" |
| #include "asio/detail/type_traits.hpp" |
| #include "asio/error.hpp" |
| #include "asio/socket_acceptor_service.hpp" |
| #include "asio/socket_base.hpp" |
| |
| #include "asio/detail/push_options.hpp" |
| |
| 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 |
| * asio::ip::tcp::acceptor acceptor(io_context); |
| * asio::ip::tcp::endpoint endpoint(asio::ip::tcp::v4(), port); |
| * acceptor.open(endpoint.protocol()); |
| * acceptor.set_option(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_handle_type native_handle_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_context The io_context object that the acceptor will use to |
| * dispatch handlers for any asynchronous operations performed on the |
| * acceptor. |
| */ |
| explicit basic_socket_acceptor(asio::io_context& io_context) |
| : basic_io_object<SocketAcceptorService>(io_context) |
| { |
| } |
| |
| /// Construct an open acceptor. |
| /** |
| * This constructor creates an acceptor and automatically opens it. |
| * |
| * @param io_context The io_context 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 asio::system_error Thrown on failure. |
| */ |
| basic_socket_acceptor(asio::io_context& io_context, |
| const protocol_type& protocol) |
| : basic_io_object<SocketAcceptorService>(io_context) |
| { |
| asio::error_code ec; |
| this->get_service().open(this->get_implementation(), protocol, ec); |
| asio::detail::throw_error(ec, "open"); |
| } |
| |
| /// 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_context The io_context 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 asio::system_error Thrown on failure. |
| * |
| * @note This constructor is equivalent to the following code: |
| * @code |
| * basic_socket_acceptor<Protocol> acceptor(io_context); |
| * 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(asio::io_context& io_context, |
| const endpoint_type& endpoint, bool reuse_addr = true) |
| : basic_io_object<SocketAcceptorService>(io_context) |
| { |
| asio::error_code ec; |
| const protocol_type protocol = endpoint.protocol(); |
| this->get_service().open(this->get_implementation(), protocol, ec); |
| asio::detail::throw_error(ec, "open"); |
| if (reuse_addr) |
| { |
| this->get_service().set_option(this->get_implementation(), |
| socket_base::reuse_address(true), ec); |
| asio::detail::throw_error(ec, "set_option"); |
| } |
| this->get_service().bind(this->get_implementation(), endpoint, ec); |
| asio::detail::throw_error(ec, "bind"); |
| this->get_service().listen(this->get_implementation(), |
| socket_base::max_connections, ec); |
| asio::detail::throw_error(ec, "listen"); |
| } |
| |
| /// Construct a basic_socket_acceptor on an existing native acceptor. |
| /** |
| * This constructor creates an acceptor object to hold an existing native |
| * acceptor. |
| * |
| * @param io_context The io_context 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 asio::system_error Thrown on failure. |
| */ |
| basic_socket_acceptor(asio::io_context& io_context, |
| const protocol_type& protocol, const native_handle_type& native_acceptor) |
| : basic_io_object<SocketAcceptorService>(io_context) |
| { |
| asio::error_code ec; |
| this->get_service().assign(this->get_implementation(), |
| protocol, native_acceptor, ec); |
| asio::detail::throw_error(ec, "assign"); |
| } |
| |
| #if defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) |
| /// Move-construct a basic_socket_acceptor from another. |
| /** |
| * This constructor moves an acceptor from one object to another. |
| * |
| * @param other The other basic_socket_acceptor object from which the move |
| * will occur. |
| * |
| * @note Following the move, the moved-from object is in the same state as if |
| * constructed using the @c basic_socket_acceptor(io_context&) constructor. |
| */ |
| basic_socket_acceptor(basic_socket_acceptor&& other) |
| : basic_io_object<SocketAcceptorService>( |
| ASIO_MOVE_CAST(basic_socket_acceptor)(other)) |
| { |
| } |
| |
| /// Move-assign a basic_socket_acceptor from another. |
| /** |
| * This assignment operator moves an acceptor from one object to another. |
| * |
| * @param other The other basic_socket_acceptor object from which the move |
| * will occur. |
| * |
| * @note Following the move, the moved-from object is in the same state as if |
| * constructed using the @c basic_socket_acceptor(io_context&) constructor. |
| */ |
| basic_socket_acceptor& operator=(basic_socket_acceptor&& other) |
| { |
| basic_io_object<SocketAcceptorService>::operator=( |
| ASIO_MOVE_CAST(basic_socket_acceptor)(other)); |
| return *this; |
| } |
| |
| // All socket acceptors have access to each other's implementations. |
| template <typename Protocol1, typename SocketAcceptorService1> |
| friend class basic_socket_acceptor; |
| |
| /// Move-construct a basic_socket_acceptor from an acceptor of another |
| /// protocol type. |
| /** |
| * This constructor moves an acceptor from one object to another. |
| * |
| * @param other The other basic_socket_acceptor object from which the move |
| * will occur. |
| * |
| * @note Following the move, the moved-from object is in the same state as if |
| * constructed using the @c basic_socket(io_context&) constructor. |
| */ |
| template <typename Protocol1, typename SocketAcceptorService1> |
| basic_socket_acceptor( |
| basic_socket_acceptor<Protocol1, SocketAcceptorService1>&& other, |
| typename enable_if<is_convertible<Protocol1, Protocol>::value>::type* = 0) |
| : basic_io_object<SocketAcceptorService>( |
| other.get_service().get_io_context()) |
| { |
| this->get_service().template converting_move_construct<Protocol1>( |
| this->get_implementation(), other.get_implementation()); |
| } |
| |
| /// Move-assign a basic_socket_acceptor from an acceptor of another protocol |
| /// type. |
| /** |
| * This assignment operator moves an acceptor from one object to another. |
| * |
| * @param other The other basic_socket_acceptor object from which the move |
| * will occur. |
| * |
| * @note Following the move, the moved-from object is in the same state as if |
| * constructed using the @c basic_socket(io_context&) constructor. |
| */ |
| template <typename Protocol1, typename SocketAcceptorService1> |
| typename enable_if<is_convertible<Protocol1, Protocol>::value, |
| basic_socket_acceptor>::type& operator=( |
| basic_socket_acceptor<Protocol1, SocketAcceptorService1>&& other) |
| { |
| basic_socket_acceptor tmp(ASIO_MOVE_CAST2(basic_socket_acceptor< |
| Protocol1, SocketAcceptorService1>)(other)); |
| basic_io_object<SocketAcceptorService>::operator=( |
| ASIO_MOVE_CAST(basic_socket_acceptor)(tmp)); |
| return *this; |
| } |
| #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) |
| |
| /// 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 asio::system_error Thrown on failure. |
| * |
| * @par Example |
| * @code |
| * asio::ip::tcp::acceptor acceptor(io_context); |
| * acceptor.open(asio::ip::tcp::v4()); |
| * @endcode |
| */ |
| void open(const protocol_type& protocol = protocol_type()) |
| { |
| asio::error_code ec; |
| this->get_service().open(this->get_implementation(), protocol, ec); |
| asio::detail::throw_error(ec, "open"); |
| } |
| |
| /// 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 |
| * asio::ip::tcp::acceptor acceptor(io_context); |
| * asio::error_code ec; |
| * acceptor.open(asio::ip::tcp::v4(), ec); |
| * if (ec) |
| * { |
| * // An error occurred. |
| * } |
| * @endcode |
| */ |
| asio::error_code open(const protocol_type& protocol, |
| asio::error_code& ec) |
| { |
| return this->get_service().open(this->get_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 asio::system_error Thrown on failure. |
| */ |
| void assign(const protocol_type& protocol, |
| const native_handle_type& native_acceptor) |
| { |
| asio::error_code ec; |
| this->get_service().assign(this->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::error_code assign(const protocol_type& protocol, |
| const native_handle_type& native_acceptor, asio::error_code& ec) |
| { |
| return this->get_service().assign(this->get_implementation(), |
| protocol, native_acceptor, ec); |
| } |
| |
| /// Determine whether the acceptor is open. |
| bool is_open() const |
| { |
| return this->get_service().is_open(this->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(io_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; |
| this->get_service().bind(this->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(io_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::error_code bind(const endpoint_type& endpoint, |
| asio::error_code& ec) |
| { |
| return this->get_service().bind(this->get_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 asio::system_error Thrown on failure. |
| */ |
| void listen(int backlog = socket_base::max_connections) |
| { |
| asio::error_code ec; |
| this->get_service().listen(this->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(io_context); |
| * ... |
| * asio::error_code ec; |
| * acceptor.listen(asio::socket_base::max_connections, ec); |
| * if (ec) |
| * { |
| * // An error occurred. |
| * } |
| * @endcode |
| */ |
| asio::error_code listen(int backlog, asio::error_code& ec) |
| { |
| return this->get_service().listen(this->get_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 asio::system_error Thrown on failure. |
| */ |
| void close() |
| { |
| asio::error_code ec; |
| this->get_service().close(this->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(io_context); |
| * ... |
| * asio::error_code ec; |
| * acceptor.close(ec); |
| * if (ec) |
| * { |
| * // An error occurred. |
| * } |
| * @endcode |
| */ |
| asio::error_code close(asio::error_code& ec) |
| { |
| return this->get_service().close(this->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 this->get_service().native_handle(this->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; |
| this->get_service().cancel(this->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::error_code cancel(asio::error_code& ec) |
| { |
| return this->get_service().cancel(this->get_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 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(io_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; |
| this->get_service().set_option(this->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(io_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::error_code set_option(const SettableSocketOption& option, |
| asio::error_code& ec) |
| { |
| return this->get_service().set_option( |
| this->get_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 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(io_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) |
| { |
| asio::error_code ec; |
| this->get_service().get_option(this->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(io_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::error_code get_option(GettableSocketOption& option, |
| asio::error_code& ec) |
| { |
| return this->get_service().get_option( |
| this->get_implementation(), option, 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(io_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; |
| this->get_service().io_control(this->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(io_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::error_code io_control(IoControlCommand& command, |
| asio::error_code& ec) |
| { |
| return this->get_service().io_control( |
| this->get_implementation(), command, 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 this->get_service().non_blocking(this->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; |
| this->get_service().non_blocking(this->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::error_code non_blocking( |
| bool mode, asio::error_code& ec) |
| { |
| return this->get_service().non_blocking( |
| this->get_implementation(), mode, 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 this->get_service().native_non_blocking(this->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; |
| this->get_service().native_non_blocking( |
| this->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::error_code native_non_blocking( |
| bool mode, asio::error_code& ec) |
| { |
| return this->get_service().native_non_blocking( |
| this->get_implementation(), mode, 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(io_context); |
| * ... |
| * asio::ip::tcp::endpoint endpoint = acceptor.local_endpoint(); |
| * @endcode |
| */ |
| endpoint_type local_endpoint() const |
| { |
| asio::error_code ec; |
| endpoint_type ep = this->get_service().local_endpoint( |
| this->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(io_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 this->get_service().local_endpoint(this->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(io_context); |
| * ... |
| * acceptor.wait(asio::ip::tcp::acceptor::wait_read); |
| * @endcode |
| */ |
| void wait(wait_type w) |
| { |
| asio::error_code ec; |
| this->get_service().wait(this->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(io_context); |
| * ... |
| * asio::error_code ec; |
| * acceptor.wait(asio::ip::tcp::acceptor::wait_read, ec); |
| * @endcode |
| */ |
| asio::error_code wait(wait_type w, asio::error_code& ec) |
| { |
| return this->get_service().wait(this->get_implementation(), w, 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. Invocation |
| * of the handler will be performed in a manner equivalent to using |
| * asio::io_context::post(). |
| * |
| * @par Example |
| * @code |
| * void wait_handler(const asio::error_code& error) |
| * { |
| * if (!error) |
| * { |
| * // Wait succeeded. |
| * } |
| * } |
| * |
| * ... |
| * |
| * asio::ip::tcp::acceptor acceptor(io_context); |
| * ... |
| * acceptor.async_wait( |
| * asio::ip::tcp::acceptor::wait_read, |
| * wait_handler); |
| * @endcode |
| */ |
| template <typename WaitHandler> |
| ASIO_INITFN_RESULT_TYPE(WaitHandler, |
| void (asio::error_code)) |
| async_wait(wait_type w, ASIO_MOVE_ARG(WaitHandler) handler) |
| { |
| // 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; |
| |
| return this->get_service().async_wait(this->get_implementation(), |
| w, ASIO_MOVE_CAST(WaitHandler)(handler)); |
| } |
| |
| /// 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(io_context); |
| * ... |
| * asio::ip::tcp::socket socket(io_context); |
| * acceptor.accept(socket); |
| * @endcode |
| */ |
| template <typename Protocol1, typename SocketService> |
| void accept(basic_socket<Protocol1, SocketService>& peer, |
| typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0) |
| { |
| asio::error_code ec; |
| this->get_service().accept(this->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(io_context); |
| * ... |
| * asio::ip::tcp::socket socket(io_context); |
| * asio::error_code ec; |
| * acceptor.accept(socket, ec); |
| * if (ec) |
| * { |
| * // An error occurred. |
| * } |
| * @endcode |
| */ |
| template <typename Protocol1, typename SocketService> |
| asio::error_code accept( |
| basic_socket<Protocol1, SocketService>& peer, |
| asio::error_code& ec, |
| typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0) |
| { |
| return this->get_service().accept(this->get_implementation(), |
| peer, static_cast<endpoint_type*>(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 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. Invocation |
| * of the handler will be performed in a manner equivalent to using |
| * asio::io_context::post(). |
| * |
| * @par Example |
| * @code |
| * void accept_handler(const asio::error_code& error) |
| * { |
| * if (!error) |
| * { |
| * // Accept succeeded. |
| * } |
| * } |
| * |
| * ... |
| * |
| * asio::ip::tcp::acceptor acceptor(io_context); |
| * ... |
| * asio::ip::tcp::socket socket(io_context); |
| * acceptor.async_accept(socket, accept_handler); |
| * @endcode |
| */ |
| template <typename Protocol1, typename SocketService, typename AcceptHandler> |
| ASIO_INITFN_RESULT_TYPE(AcceptHandler, |
| void (asio::error_code)) |
| async_accept(basic_socket<Protocol1, SocketService>& peer, |
| ASIO_MOVE_ARG(AcceptHandler) handler, |
| typename enable_if<is_convertible<Protocol, Protocol1>::value>::type* = 0) |
| { |
| // 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; |
| |
| return this->get_service().async_accept(this->get_implementation(), |
| peer, static_cast<endpoint_type*>(0), |
| ASIO_MOVE_CAST(AcceptHandler)(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 asio::system_error Thrown on failure. |
| * |
| * @par Example |
| * @code |
| * asio::ip::tcp::acceptor acceptor(io_context); |
| * ... |
| * asio::ip::tcp::socket socket(io_context); |
| * 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) |
| { |
| asio::error_code ec; |
| this->get_service().accept(this->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(io_context); |
| * ... |
| * asio::ip::tcp::socket socket(io_context); |
| * asio::ip::tcp::endpoint endpoint; |
| * asio::error_code ec; |
| * acceptor.accept(socket, endpoint, ec); |
| * if (ec) |
| * { |
| * // An error occurred. |
| * } |
| * @endcode |
| */ |
| template <typename SocketService> |
| asio::error_code accept( |
| basic_socket<protocol_type, SocketService>& peer, |
| endpoint_type& peer_endpoint, asio::error_code& ec) |
| { |
| return this->get_service().accept( |
| this->get_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 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. Invocation |
| * of the handler will be performed in a manner equivalent to using |
| * asio::io_context::post(). |
| */ |
| template <typename SocketService, typename AcceptHandler> |
| ASIO_INITFN_RESULT_TYPE(AcceptHandler, |
| void (asio::error_code)) |
| async_accept(basic_socket<protocol_type, SocketService>& peer, |
| endpoint_type& peer_endpoint, ASIO_MOVE_ARG(AcceptHandler) handler) |
| { |
| // 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; |
| |
| return this->get_service().async_accept(this->get_implementation(), peer, |
| &peer_endpoint, ASIO_MOVE_CAST(AcceptHandler)(handler)); |
| } |
| |
| #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(io_context); |
| * ... |
| * asio::ip::tcp::socket socket(acceptor.accept()); |
| * @endcode |
| */ |
| typename Protocol::socket accept() |
| { |
| asio::error_code ec; |
| typename Protocol::socket peer( |
| this->get_service().accept( |
| this->get_implementation(), 0, 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(io_context); |
| * ... |
| * asio::ip::tcp::socket socket(acceptor.accept(ec)); |
| * if (ec) |
| * { |
| * // An error occurred. |
| * } |
| * @endcode |
| */ |
| typename Protocol::socket accept(asio::error_code& ec) |
| { |
| return this->get_service().accept(this->get_implementation(), 0, 0, ec); |
| } |
| |
| /// 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( |
| * const asio::error_code& error, // Result of operation. |
| * typename Protocol::socket 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. Invocation |
| * of the handler will be performed in a manner equivalent to using |
| * asio::io_context::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(io_context); |
| * ... |
| * acceptor.async_accept(accept_handler); |
| * @endcode |
| */ |
| template <typename MoveAcceptHandler> |
| ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler, |
| void (asio::error_code, typename Protocol::socket)) |
| async_accept(ASIO_MOVE_ARG(MoveAcceptHandler) handler) |
| { |
| // 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, typename Protocol::socket) type_check; |
| |
| return this->get_service().async_accept( |
| this->get_implementation(), static_cast<asio::io_context*>(0), |
| static_cast<endpoint_type*>(0), |
| ASIO_MOVE_CAST(MoveAcceptHandler)(handler)); |
| } |
| |
| /// 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 io_context The io_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(io_context); |
| * ... |
| * asio::ip::tcp::socket socket(acceptor.accept()); |
| * @endcode |
| */ |
| typename Protocol::socket accept(asio::io_context& io_context) |
| { |
| asio::error_code ec; |
| typename Protocol::socket peer( |
| this->get_service().accept(this->get_implementation(), |
| &io_context, static_cast<endpoint_type*>(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 io_context The io_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(io_context); |
| * ... |
| * asio::ip::tcp::socket socket(acceptor.accept(io_context2, ec)); |
| * if (ec) |
| * { |
| * // An error occurred. |
| * } |
| * @endcode |
| */ |
| typename Protocol::socket accept( |
| asio::io_context& io_context, asio::error_code& ec) |
| { |
| return this->get_service().accept(this->get_implementation(), |
| &io_context, static_cast<endpoint_type*>(0), ec); |
| } |
| |
| /// 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 io_context The io_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 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. Invocation |
| * of the handler will be performed in a manner equivalent to using |
| * asio::io_context::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(io_context); |
| * ... |
| * acceptor.async_accept(io_context2, accept_handler); |
| * @endcode |
| */ |
| template <typename MoveAcceptHandler> |
| ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler, |
| void (asio::error_code, typename Protocol::socket)) |
| async_accept(asio::io_context& io_context, |
| ASIO_MOVE_ARG(MoveAcceptHandler) handler) |
| { |
| // 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, typename Protocol::socket) type_check; |
| |
| return this->get_service().async_accept(this->get_implementation(), |
| &io_context, static_cast<endpoint_type*>(0), |
| ASIO_MOVE_CAST(MoveAcceptHandler)(handler)); |
| } |
| |
| /// 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(io_context); |
| * ... |
| * asio::ip::tcp::endpoint endpoint; |
| * asio::ip::tcp::socket socket(acceptor.accept(endpoint)); |
| * @endcode |
| */ |
| typename Protocol::socket accept(endpoint_type& peer_endpoint) |
| { |
| asio::error_code ec; |
| typename Protocol::socket peer( |
| this->get_service().accept(this->get_implementation(), |
| static_cast<asio::io_context*>(0), &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(io_context); |
| * ... |
| * asio::ip::tcp::endpoint endpoint; |
| * asio::ip::tcp::socket socket(acceptor.accept(endpoint, ec)); |
| * if (ec) |
| * { |
| * // An error occurred. |
| * } |
| * @endcode |
| */ |
| typename Protocol::socket accept( |
| endpoint_type& peer_endpoint, asio::error_code& ec) |
| { |
| return this->get_service().accept(this->get_implementation(), |
| static_cast<asio::io_context*>(0), &peer_endpoint, ec); |
| } |
| |
| /// 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( |
| * const asio::error_code& error, // Result of operation. |
| * typename Protocol::socket 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. Invocation |
| * of the handler will be performed in a manner equivalent to using |
| * asio::io_context::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(io_context); |
| * ... |
| * asio::ip::tcp::endpoint endpoint; |
| * acceptor.async_accept(endpoint, accept_handler); |
| * @endcode |
| */ |
| template <typename MoveAcceptHandler> |
| ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler, |
| void (asio::error_code, typename Protocol::socket)) |
| async_accept(endpoint_type& peer_endpoint, |
| ASIO_MOVE_ARG(MoveAcceptHandler) handler) |
| { |
| // 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, typename Protocol::socket) type_check; |
| |
| return this->get_service().async_accept(this->get_implementation(), |
| static_cast<asio::io_context*>(0), &peer_endpoint, |
| ASIO_MOVE_CAST(MoveAcceptHandler)(handler)); |
| } |
| |
| /// 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 io_context The io_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(io_context); |
| * ... |
| * asio::ip::tcp::endpoint endpoint; |
| * asio::ip::tcp::socket socket( |
| * acceptor.accept(io_context2, endpoint)); |
| * @endcode |
| */ |
| typename Protocol::socket accept( |
| asio::io_context& io_context, endpoint_type& peer_endpoint) |
| { |
| asio::error_code ec; |
| typename Protocol::socket peer( |
| this->get_service().accept(this->get_implementation(), |
| &io_context, &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 io_context The io_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(io_context); |
| * ... |
| * asio::ip::tcp::endpoint endpoint; |
| * asio::ip::tcp::socket socket( |
| * acceptor.accept(io_context2, endpoint, ec)); |
| * if (ec) |
| * { |
| * // An error occurred. |
| * } |
| * @endcode |
| */ |
| typename Protocol::socket accept(asio::io_context& io_context, |
| endpoint_type& peer_endpoint, asio::error_code& ec) |
| { |
| return this->get_service().accept(this->get_implementation(), |
| &io_context, &peer_endpoint, ec); |
| } |
| |
| /// 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 io_context The io_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 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. Invocation |
| * of the handler will be performed in a manner equivalent to using |
| * asio::io_context::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(io_context); |
| * ... |
| * asio::ip::tcp::endpoint endpoint; |
| * acceptor.async_accept(io_context2, endpoint, accept_handler); |
| * @endcode |
| */ |
| template <typename MoveAcceptHandler> |
| ASIO_INITFN_RESULT_TYPE(MoveAcceptHandler, |
| void (asio::error_code, typename Protocol::socket)) |
| async_accept(asio::io_context& io_context, |
| endpoint_type& peer_endpoint, |
| ASIO_MOVE_ARG(MoveAcceptHandler) handler) |
| { |
| // 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, typename Protocol::socket) type_check; |
| |
| return this->get_service().async_accept( |
| this->get_implementation(), &io_context, &peer_endpoint, |
| ASIO_MOVE_CAST(MoveAcceptHandler)(handler)); |
| } |
| #endif // defined(ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) |
| }; |
| |
| } // namespace asio |
| |
| #include "asio/detail/pop_options.hpp" |
| |
| #endif // ASIO_BASIC_SOCKET_ACCEPTOR_HPP |