<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>basic_socket_acceptor</title> <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="../../boost_asio.html" title="Boost.Asio"> <link rel="up" href="../reference.html" title="Reference"> <link rel="prev" href="basic_socket/_basic_socket.html" title="basic_socket::~basic_socket"> <link rel="next" href="basic_socket_acceptor/accept.html" title="basic_socket_acceptor::accept"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> <td align="center"><a href="../../../../index.html">Home</a></td> <td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a 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accept new connections. </p> <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> <span class="keyword">typename</span> <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a><span class="special">,</span> <span class="keyword">typename</span> <a class="link" href="SocketAcceptorService.html" title="Socket acceptor service requirements">SocketAcceptorService</a> <span class="special">=</span> <span class="identifier">socket_acceptor_service</span><span class="special"><</span><span class="identifier">Protocol</span><span class="special">>></span> <span class="keyword">class</span> <span class="identifier">basic_socket_acceptor</span> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">basic_io_object</span><span class="special"><</span> <span class="identifier">SocketAcceptorService</span> <span class="special">>,</span> <span class="keyword">public</span> <span class="identifier">socket_base</span> </pre> <h5> <a name="boost_asio.reference.basic_socket_acceptor.h0"></a> <span class="phrase"><a name="boost_asio.reference.basic_socket_acceptor.types"></a></span><a class="link" href="basic_socket_acceptor.html#boost_asio.reference.basic_socket_acceptor.types">Types</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/broadcast.html" title="basic_socket_acceptor::broadcast"><span class="bold"><strong>broadcast</strong></span></a> </p> </td> <td> <p> Socket option to permit sending of broadcast messages. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/bytes_readable.html" title="basic_socket_acceptor::bytes_readable"><span class="bold"><strong>bytes_readable</strong></span></a> </p> </td> <td> <p> IO control command to get the amount of data that can be read without blocking. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/debug.html" title="basic_socket_acceptor::debug"><span class="bold"><strong>debug</strong></span></a> </p> </td> <td> <p> Socket option to enable socket-level debugging. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/do_not_route.html" title="basic_socket_acceptor::do_not_route"><span class="bold"><strong>do_not_route</strong></span></a> </p> </td> <td> <p> Socket option to prevent routing, use local interfaces only. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/enable_connection_aborted.html" title="basic_socket_acceptor::enable_connection_aborted"><span class="bold"><strong>enable_connection_aborted</strong></span></a> </p> </td> <td> <p> Socket option to report aborted connections on accept. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/endpoint_type.html" title="basic_socket_acceptor::endpoint_type"><span class="bold"><strong>endpoint_type</strong></span></a> </p> </td> <td> <p> The endpoint type. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/implementation_type.html" title="basic_socket_acceptor::implementation_type"><span class="bold"><strong>implementation_type</strong></span></a> </p> </td> <td> <p> The underlying implementation type of I/O object. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/keep_alive.html" title="basic_socket_acceptor::keep_alive"><span class="bold"><strong>keep_alive</strong></span></a> </p> </td> <td> <p> Socket option to send keep-alives. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/linger.html" title="basic_socket_acceptor::linger"><span class="bold"><strong>linger</strong></span></a> </p> </td> <td> <p> Socket option to specify whether the socket lingers on close if unsent data is present. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/message_flags.html" title="basic_socket_acceptor::message_flags"><span class="bold"><strong>message_flags</strong></span></a> </p> </td> <td> <p> Bitmask type for flags that can be passed to send and receive operations. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/native_handle_type.html" title="basic_socket_acceptor::native_handle_type"><span class="bold"><strong>native_handle_type</strong></span></a> </p> </td> <td> <p> The native representation of an acceptor. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/native_type.html" title="basic_socket_acceptor::native_type"><span class="bold"><strong>native_type</strong></span></a> </p> </td> <td> <p> (Deprecated: Use native_handle_type.) The native representation of an acceptor. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/non_blocking_io.html" title="basic_socket_acceptor::non_blocking_io"><span class="bold"><strong>non_blocking_io</strong></span></a> </p> </td> <td> <p> (Deprecated: Use non_blocking().) IO control command to set the blocking mode of the socket. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/protocol_type.html" title="basic_socket_acceptor::protocol_type"><span class="bold"><strong>protocol_type</strong></span></a> </p> </td> <td> <p> The protocol type. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/receive_buffer_size.html" title="basic_socket_acceptor::receive_buffer_size"><span class="bold"><strong>receive_buffer_size</strong></span></a> </p> </td> <td> <p> Socket option for the receive buffer size of a socket. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/receive_low_watermark.html" title="basic_socket_acceptor::receive_low_watermark"><span class="bold"><strong>receive_low_watermark</strong></span></a> </p> </td> <td> <p> Socket option for the receive low watermark. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/reuse_address.html" title="basic_socket_acceptor::reuse_address"><span class="bold"><strong>reuse_address</strong></span></a> </p> </td> <td> <p> Socket option to allow the socket to be bound to an address that is already in use. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/send_buffer_size.html" title="basic_socket_acceptor::send_buffer_size"><span class="bold"><strong>send_buffer_size</strong></span></a> </p> </td> <td> <p> Socket option for the send buffer size of a socket. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/send_low_watermark.html" title="basic_socket_acceptor::send_low_watermark"><span class="bold"><strong>send_low_watermark</strong></span></a> </p> </td> <td> <p> Socket option for the send low watermark. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/service_type.html" title="basic_socket_acceptor::service_type"><span class="bold"><strong>service_type</strong></span></a> </p> </td> <td> <p> The type of the service that will be used to provide I/O operations. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/shutdown_type.html" title="basic_socket_acceptor::shutdown_type"><span class="bold"><strong>shutdown_type</strong></span></a> </p> </td> <td> <p> Different ways a socket may be shutdown. </p> </td> </tr> </tbody> </table></div> <h5> <a name="boost_asio.reference.basic_socket_acceptor.h1"></a> <span class="phrase"><a name="boost_asio.reference.basic_socket_acceptor.member_functions"></a></span><a class="link" href="basic_socket_acceptor.html#boost_asio.reference.basic_socket_acceptor.member_functions">Member Functions</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/accept.html" title="basic_socket_acceptor::accept"><span class="bold"><strong>accept</strong></span></a> </p> </td> <td> <p> Accept a new connection. </p> <p> Accept a new connection and obtain the endpoint of the peer. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/assign.html" title="basic_socket_acceptor::assign"><span class="bold"><strong>assign</strong></span></a> </p> </td> <td> <p> Assigns an existing native acceptor to the acceptor. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/async_accept.html" title="basic_socket_acceptor::async_accept"><span class="bold"><strong>async_accept</strong></span></a> </p> </td> <td> <p> Start an asynchronous accept. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/basic_socket_acceptor.html" title="basic_socket_acceptor::basic_socket_acceptor"><span class="bold"><strong>basic_socket_acceptor</strong></span></a> </p> </td> <td> <p> Construct an acceptor without opening it. </p> <p> Construct an open acceptor. </p> <p> Construct an acceptor opened on the given endpoint. </p> <p> Construct a basic_socket_acceptor on an existing native acceptor. </p> <p> Move-construct a basic_socket_acceptor from another. </p> <p> Move-construct a basic_socket_acceptor from an acceptor of another protocol type. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/bind.html" title="basic_socket_acceptor::bind"><span class="bold"><strong>bind</strong></span></a> </p> </td> <td> <p> Bind the acceptor to the given local endpoint. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/cancel.html" title="basic_socket_acceptor::cancel"><span class="bold"><strong>cancel</strong></span></a> </p> </td> <td> <p> Cancel all asynchronous operations associated with the acceptor. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/close.html" title="basic_socket_acceptor::close"><span class="bold"><strong>close</strong></span></a> </p> </td> <td> <p> Close the acceptor. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/get_io_service.html" title="basic_socket_acceptor::get_io_service"><span class="bold"><strong>get_io_service</strong></span></a> </p> </td> <td> <p> Get the io_service associated with the object. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/get_option.html" title="basic_socket_acceptor::get_option"><span class="bold"><strong>get_option</strong></span></a> </p> </td> <td> <p> Get an option from the acceptor. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/io_control.html" title="basic_socket_acceptor::io_control"><span class="bold"><strong>io_control</strong></span></a> </p> </td> <td> <p> Perform an IO control command on the acceptor. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/is_open.html" title="basic_socket_acceptor::is_open"><span class="bold"><strong>is_open</strong></span></a> </p> </td> <td> <p> Determine whether the acceptor is open. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/listen.html" title="basic_socket_acceptor::listen"><span class="bold"><strong>listen</strong></span></a> </p> </td> <td> <p> Place the acceptor into the state where it will listen for new connections. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/local_endpoint.html" title="basic_socket_acceptor::local_endpoint"><span class="bold"><strong>local_endpoint</strong></span></a> </p> </td> <td> <p> Get the local endpoint of the acceptor. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/native.html" title="basic_socket_acceptor::native"><span class="bold"><strong>native</strong></span></a> </p> </td> <td> <p> (Deprecated: Use native_handle().) Get the native acceptor representation. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/native_handle.html" title="basic_socket_acceptor::native_handle"><span class="bold"><strong>native_handle</strong></span></a> </p> </td> <td> <p> Get the native acceptor representation. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/native_non_blocking.html" title="basic_socket_acceptor::native_non_blocking"><span class="bold"><strong>native_non_blocking</strong></span></a> </p> </td> <td> <p> Gets the non-blocking mode of the native acceptor implementation. </p> <p> Sets the non-blocking mode of the native acceptor implementation. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/non_blocking.html" title="basic_socket_acceptor::non_blocking"><span class="bold"><strong>non_blocking</strong></span></a> </p> </td> <td> <p> Gets the non-blocking mode of the acceptor. </p> <p> Sets the non-blocking mode of the acceptor. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/open.html" title="basic_socket_acceptor::open"><span class="bold"><strong>open</strong></span></a> </p> </td> <td> <p> Open the acceptor using the specified protocol. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/operator_eq_.html" title="basic_socket_acceptor::operator="><span class="bold"><strong>operator=</strong></span></a> </p> </td> <td> <p> Move-assign a basic_socket_acceptor from another. </p> <p> Move-assign a basic_socket_acceptor from an acceptor of another protocol type. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/set_option.html" title="basic_socket_acceptor::set_option"><span class="bold"><strong>set_option</strong></span></a> </p> </td> <td> <p> Set an option on the acceptor. </p> </td> </tr> </tbody> </table></div> <h5> <a name="boost_asio.reference.basic_socket_acceptor.h2"></a> <span class="phrase"><a name="boost_asio.reference.basic_socket_acceptor.protected_member_functions"></a></span><a class="link" href="basic_socket_acceptor.html#boost_asio.reference.basic_socket_acceptor.protected_member_functions">Protected Member Functions</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/get_implementation.html" title="basic_socket_acceptor::get_implementation"><span class="bold"><strong>get_implementation</strong></span></a> </p> </td> <td> <p> Get the underlying implementation of the I/O object. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/get_service.html" title="basic_socket_acceptor::get_service"><span class="bold"><strong>get_service</strong></span></a> </p> </td> <td> <p> Get the service associated with the I/O object. </p> </td> </tr> </tbody> </table></div> <h5> <a name="boost_asio.reference.basic_socket_acceptor.h3"></a> <span class="phrase"><a name="boost_asio.reference.basic_socket_acceptor.data_members"></a></span><a class="link" href="basic_socket_acceptor.html#boost_asio.reference.basic_socket_acceptor.data_members">Data Members</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/max_connections.html" title="basic_socket_acceptor::max_connections"><span class="bold"><strong>max_connections</strong></span></a> </p> </td> <td> <p> The maximum length of the queue of pending incoming connections. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/message_do_not_route.html" title="basic_socket_acceptor::message_do_not_route"><span class="bold"><strong>message_do_not_route</strong></span></a> </p> </td> <td> <p> Specify that the data should not be subject to routing. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/message_end_of_record.html" title="basic_socket_acceptor::message_end_of_record"><span class="bold"><strong>message_end_of_record</strong></span></a> </p> </td> <td> <p> Specifies that the data marks the end of a record. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/message_out_of_band.html" title="basic_socket_acceptor::message_out_of_band"><span class="bold"><strong>message_out_of_band</strong></span></a> </p> </td> <td> <p> Process out-of-band data. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/message_peek.html" title="basic_socket_acceptor::message_peek"><span class="bold"><strong>message_peek</strong></span></a> </p> </td> <td> <p> Peek at incoming data without removing it from the input queue. </p> </td> </tr> </tbody> </table></div> <h5> <a name="boost_asio.reference.basic_socket_acceptor.h4"></a> <span class="phrase"><a name="boost_asio.reference.basic_socket_acceptor.protected_data_members"></a></span><a class="link" href="basic_socket_acceptor.html#boost_asio.reference.basic_socket_acceptor.protected_data_members">Protected Data Members</a> </h5> <div class="informaltable"><table class="table"> <colgroup> <col> <col> </colgroup> <thead><tr> <th> <p> Name </p> </th> <th> <p> Description </p> </th> </tr></thead> <tbody> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/implementation.html" title="basic_socket_acceptor::implementation"><span class="bold"><strong>implementation</strong></span></a> </p> </td> <td> <p> (Deprecated: Use get_implementation().) The underlying implementation of the I/O object. </p> </td> </tr> <tr> <td> <p> <a class="link" href="basic_socket_acceptor/service.html" title="basic_socket_acceptor::service"><span class="bold"><strong>service</strong></span></a> </p> </td> <td> <p> (Deprecated: Use get_service().) The service associated with the I/O object. </p> </td> </tr> </tbody> </table></div> <p> The <a class="link" href="basic_socket_acceptor.html" title="basic_socket_acceptor"><code class="computeroutput"><span class="identifier">basic_socket_acceptor</span></code></a> class template is used for accepting new socket connections. </p> <h5> <a name="boost_asio.reference.basic_socket_acceptor.h5"></a> <span class="phrase"><a name="boost_asio.reference.basic_socket_acceptor.thread_safety"></a></span><a class="link" href="basic_socket_acceptor.html#boost_asio.reference.basic_socket_acceptor.thread_safety">Thread Safety</a> </h5> <p> <span class="emphasis"><em>Distinct</em></span> <span class="emphasis"><em>objects:</em></span> Safe. </p> <p> <span class="emphasis"><em>Shared</em></span> <span class="emphasis"><em>objects:</em></span> Unsafe. </p> <h5> <a name="boost_asio.reference.basic_socket_acceptor.h6"></a> <span class="phrase"><a name="boost_asio.reference.basic_socket_acceptor.example"></a></span><a class="link" href="basic_socket_acceptor.html#boost_asio.reference.basic_socket_acceptor.example">Example</a> </h5> <p> Opening a socket acceptor with the SO_REUSEADDR option enabled: </p> <pre class="programlisting"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">ip</span><span class="special">::</span><span class="identifier">tcp</span><span class="special">::</span><span class="identifier">acceptor</span> <span class="identifier">acceptor</span><span class="special">(</span><span class="identifier">io_service</span><span class="special">);</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">ip</span><span class="special">::</span><span class="identifier">tcp</span><span class="special">::</span><span class="identifier">endpoint</span> <span class="identifier">endpoint</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">ip</span><span class="special">::</span><span class="identifier">tcp</span><span class="special">::</span><span class="identifier">v4</span><span class="special">(),</span> <span class="identifier">port</span><span class="special">);</span> <span class="identifier">acceptor</span><span class="special">.</span><span class="identifier">open</span><span class="special">(</span><span class="identifier">endpoint</span><span class="special">.</span><span class="identifier">protocol</span><span class="special">());</span> <span class="identifier">acceptor</span><span class="special">.</span><span class="identifier">set_option</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">ip</span><span class="special">::</span><span class="identifier">tcp</span><span class="special">::</span><span class="identifier">acceptor</span><span class="special">::</span><span class="identifier">reuse_address</span><span class="special">(</span><span class="keyword">true</span><span class="special">));</span> <span class="identifier">acceptor</span><span class="special">.</span><span class="identifier">bind</span><span class="special">(</span><span class="identifier">endpoint</span><span class="special">);</span> <span class="identifier">acceptor</span><span class="special">.</span><span class="identifier">listen</span><span class="special">();</span> </pre> <h5> <a name="boost_asio.reference.basic_socket_acceptor.h7"></a> <span class="phrase"><a name="boost_asio.reference.basic_socket_acceptor.requirements"></a></span><a class="link" href="basic_socket_acceptor.html#boost_asio.reference.basic_socket_acceptor.requirements">Requirements</a> </h5> <p> <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/basic_socket_acceptor.hpp</code> </p> <p> <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code> </p> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2003-2015 Christopher M. Kohlhoff<p> Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) </p> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="basic_socket/_basic_socket.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../boost_asio.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="basic_socket_acceptor/accept.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>