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26 <div class="titlepage"><div><div><h3 class="title">
27 <a name="boost_asio.reference.async_connect"></a><a class="link" href="async_connect.html" title="async_connect">async_connect</a>
28 </h3></div></div></div>
30 <a class="indexterm" name="boost_asio.indexterm.async_connect"></a>
31 The <code class="computeroutput">async_connect</code>
32 function is a composed asynchronous operation that establishes a socket connection
33 by trying each endpoint in a sequence.
36 Asynchronously establishes a socket connection by trying each endpoint in
39 <pre class="programlisting">template<
40 typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
41 typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
42 typename <a class="link" href="EndpointSequence.html" title="Endpoint sequence requirements">EndpointSequence</a>,
43 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>>
44 <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>(
45 basic_socket< Protocol, Executor > & s,
46 const EndpointSequence & endpoints,
47 RangeConnectHandler && handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>,
48 typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type * = 0);
49 <span class="emphasis"><em>» <a class="link" href="async_connect/overload1.html" title="async_connect (1 of 6 overloads)">more...</a></em></span>
52 (Deprecated: Use range overload.) Asynchronously establishes a socket connection
53 by trying each endpoint in a sequence.
55 <pre class="programlisting">template<
56 typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
57 typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
59 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>>
60 <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>(
61 basic_socket< Protocol, Executor > & s,
63 IteratorConnectHandler && handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>,
64 typename enable_if<!is_endpoint_sequence< Iterator >::value >::type * = 0);
65 <span class="emphasis"><em>» <a class="link" href="async_connect/overload2.html" title="async_connect (2 of 6 overloads)">more...</a></em></span>
68 Asynchronously establishes a socket connection by trying each endpoint in
71 <pre class="programlisting">template<
72 typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
73 typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
75 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>>
76 <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>(
77 basic_socket< Protocol, Executor > & s,
80 IteratorConnectHandler && handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>);
81 <span class="emphasis"><em>» <a class="link" href="async_connect/overload3.html" title="async_connect (3 of 6 overloads)">more...</a></em></span>
84 typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
85 typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
86 typename <a class="link" href="EndpointSequence.html" title="Endpoint sequence requirements">EndpointSequence</a>,
87 typename <a class="link" href="ConnectCondition.html" title="Connect condition requirements">ConnectCondition</a>,
88 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>>
89 <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>(
90 basic_socket< Protocol, Executor > & s,
91 const EndpointSequence & endpoints,
92 ConnectCondition connect_condition,
93 RangeConnectHandler && handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>,
94 typename enable_if< is_endpoint_sequence< EndpointSequence >::value >::type * = 0);
95 <span class="emphasis"><em>» <a class="link" href="async_connect/overload4.html" title="async_connect (4 of 6 overloads)">more...</a></em></span>
98 (Deprecated: Use range overload.) Asynchronously establishes a socket connection
99 by trying each endpoint in a sequence.
101 <pre class="programlisting">template<
102 typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
103 typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
105 typename <a class="link" href="ConnectCondition.html" title="Connect condition requirements">ConnectCondition</a>,
106 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>>
107 <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>(
108 basic_socket< Protocol, Executor > & s,
110 ConnectCondition connect_condition,
111 IteratorConnectHandler && handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>,
112 typename enable_if<!is_endpoint_sequence< Iterator >::value >::type * = 0);
113 <span class="emphasis"><em>» <a class="link" href="async_connect/overload5.html" title="async_connect (5 of 6 overloads)">more...</a></em></span>
116 Asynchronously establishes a socket connection by trying each endpoint in
119 <pre class="programlisting">template<
120 typename <a class="link" href="Protocol.html" title="Protocol requirements">Protocol</a>,
121 typename <a class="link" href="Executor1.html" title="Executor requirements">Executor</a>,
123 typename <a class="link" href="ConnectCondition.html" title="Connect condition requirements">ConnectCondition</a>,
124 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>>
125 <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>(
126 basic_socket< Protocol, Executor > & s,
129 ConnectCondition connect_condition,
130 IteratorConnectHandler && handler = <a class="link" href="asynchronous_operations.html#boost_asio.reference.asynchronous_operations.default_completion_tokens"><span class="emphasis"><em>DEFAULT</em></span></a>);
131 <span class="emphasis"><em>» <a class="link" href="async_connect/overload6.html" title="async_connect (6 of 6 overloads)">more...</a></em></span>
134 <a name="boost_asio.reference.async_connect.h0"></a>
135 <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>
138 <span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/connect.hpp</code>
141 <span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
144 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
145 <td align="left"></td>
146 <td align="right"><div class="copyright-footer">Copyright © 2003-2019 Christopher M. Kohlhoff<p>
147 Distributed under the Boost Software License, Version 1.0. (See accompanying
148 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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