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<div class="titlepage"><div><div><h3 class="title">
<a name="boost_asio.reference.async_connect"></a><a class="link" href="async_connect.html" title="async_connect">async_connect</a>
</h3></div></div></div>
<p>
<a class="indexterm" name="boost_asio.indexterm.async_connect"></a>
The <code class="computeroutput">async_connect</code>
function is a composed asynchronous operation that establishes a socket connection
by trying each endpoint in a sequence.
</p>
<p>
Asynchronously establishes a socket connection by trying each endpoint in
a sequence.
</p>
<pre class="programlisting">template&lt;
typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
typename <a class="link" href="EndpointSequence.html" title="Endpoint sequence requirements">EndpointSequence</a>,
typename <a class="link" href="RangeConnectHandler.html" title="Range connect handler requirements">RangeConnectHandler</a> = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>&gt;
<a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload1.html" title="async_connect (1 of 6 overloads)">async_connect</a>(
basic_socket&lt; Protocol, Executor &gt; &amp; s,
const EndpointSequence &amp; endpoints,
RangeConnectHandler &amp;&amp; handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>,
typename constraint&lt; is_endpoint_sequence&lt; EndpointSequence &gt;::value &gt;::type = 0);
<span class="emphasis"><em>» <a class="link" href="async_connect/overload1.html" title="async_connect (1 of 6 overloads)">more...</a></em></span>
</pre>
<p>
(Deprecated: Use range overload.) Asynchronously establishes a socket connection
by trying each endpoint in a sequence.
</p>
<pre class="programlisting">template&lt;
typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
typename Iterator,
typename <a class="link" href="IteratorConnectHandler.html" title="Iterator connect handler requirements">IteratorConnectHandler</a> = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>&gt;
<a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload2.html" title="async_connect (2 of 6 overloads)">async_connect</a>(
basic_socket&lt; Protocol, Executor &gt; &amp; s,
Iterator begin,
IteratorConnectHandler &amp;&amp; handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>,
typename constraint&lt;!is_endpoint_sequence&lt; Iterator &gt;::value &gt;::type = 0);
<span class="emphasis"><em>» <a class="link" href="async_connect/overload2.html" title="async_connect (2 of 6 overloads)">more...</a></em></span>
</pre>
<p>
Asynchronously establishes a socket connection by trying each endpoint in
a sequence.
</p>
<pre class="programlisting">template&lt;
typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
typename Iterator,
typename <a class="link" href="IteratorConnectHandler.html" title="Iterator connect handler requirements">IteratorConnectHandler</a> = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>&gt;
<a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload3.html" title="async_connect (3 of 6 overloads)">async_connect</a>(
basic_socket&lt; Protocol, Executor &gt; &amp; s,
Iterator begin,
Iterator end,
IteratorConnectHandler &amp;&amp; handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>);
<span class="emphasis"><em>» <a class="link" href="async_connect/overload3.html" title="async_connect (3 of 6 overloads)">more...</a></em></span>
template&lt;
typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
typename <a class="link" href="EndpointSequence.html" title="Endpoint sequence requirements">EndpointSequence</a>,
typename <a class="link" href="ConnectCondition.html" title="Connect condition requirements">ConnectCondition</a>,
typename <a class="link" href="RangeConnectHandler.html" title="Range connect handler requirements">RangeConnectHandler</a> = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>&gt;
<a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload4.html" title="async_connect (4 of 6 overloads)">async_connect</a>(
basic_socket&lt; Protocol, Executor &gt; &amp; s,
const EndpointSequence &amp; endpoints,
ConnectCondition connect_condition,
RangeConnectHandler &amp;&amp; handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>,
typename constraint&lt; is_endpoint_sequence&lt; EndpointSequence &gt;::value &gt;::type = 0);
<span class="emphasis"><em>» <a class="link" href="async_connect/overload4.html" title="async_connect (4 of 6 overloads)">more...</a></em></span>
</pre>
<p>
(Deprecated: Use range overload.) Asynchronously establishes a socket connection
by trying each endpoint in a sequence.
</p>
<pre class="programlisting">template&lt;
typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
typename Iterator,
typename <a class="link" href="ConnectCondition.html" title="Connect condition requirements">ConnectCondition</a>,
typename <a class="link" href="IteratorConnectHandler.html" title="Iterator connect handler requirements">IteratorConnectHandler</a> = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>&gt;
<a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload5.html" title="async_connect (5 of 6 overloads)">async_connect</a>(
basic_socket&lt; Protocol, Executor &gt; &amp; s,
Iterator begin,
ConnectCondition connect_condition,
IteratorConnectHandler &amp;&amp; handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>,
typename constraint&lt;!is_endpoint_sequence&lt; Iterator &gt;::value &gt;::type = 0);
<span class="emphasis"><em>» <a class="link" href="async_connect/overload5.html" title="async_connect (5 of 6 overloads)">more...</a></em></span>
</pre>
<p>
Asynchronously establishes a socket connection by trying each endpoint in
a sequence.
</p>
<pre class="programlisting">template&lt;
typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
typename Iterator,
typename <a class="link" href="ConnectCondition.html" title="Connect condition requirements">ConnectCondition</a>,
typename <a class="link" href="IteratorConnectHandler.html" title="Iterator connect handler requirements">IteratorConnectHandler</a> = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>&gt;
<a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.automatic_deduction_of_initiating_function_return_type"><span class="emphasis"><em>DEDUCED</em></span></a> <a class="link" href="async_connect/overload6.html" title="async_connect (6 of 6 overloads)">async_connect</a>(
basic_socket&lt; Protocol, Executor &gt; &amp; s,
Iterator begin,
Iterator end,
ConnectCondition connect_condition,
IteratorConnectHandler &amp;&amp; handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>);
<span class="emphasis"><em>» <a class="link" href="async_connect/overload6.html" title="async_connect (6 of 6 overloads)">more...</a></em></span>
</pre>
<h5>
<a name="boost_asio.reference.async_connect.h0"></a>
<span class="phrase"><a name="boost_asio.reference.async_connect.requirements"></a></span><a class="link" href="async_connect.html#boost_asio.reference.async_connect.requirements">Requirements</a>
</h5>
<p>
<span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/connect.hpp</code>
</p>
<p>
<span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
</p>
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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>)
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