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<div class="titlepage"><div><div><h3 class="title">
<a name="boost_asio.reference.ip__basic_resolver_query"></a><a class="link" href="ip__basic_resolver_query.html" title="ip::basic_resolver_query">ip::basic_resolver_query</a>
</h3></div></div></div>
<p>
An query to be passed to a resolver.
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
<span class="keyword">typename</span> <a class="link" href="InternetProtocol.html" title="Internet protocol requirements">InternetProtocol</a><span class="special">></span>
<span class="keyword">class</span> <span class="identifier">basic_resolver_query</span> <span class="special">:</span>
<span class="keyword">public</span> <span class="identifier">ip</span><span class="special">::</span><span class="identifier">resolver_query_base</span>
</pre>
<h5>
<a name="boost_asio.reference.ip__basic_resolver_query.h0"></a>
<span class="phrase"><a name="boost_asio.reference.ip__basic_resolver_query.types"></a></span><a class="link" href="ip__basic_resolver_query.html#boost_asio.reference.ip__basic_resolver_query.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="ip__basic_resolver_query/flags.html" title="ip::basic_resolver_query::flags"><span class="bold"><strong>flags</strong></span></a>
</p>
</td>
<td>
<p>
A bitmask type (C++ Std [lib.bitmask.types]).
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__basic_resolver_query/protocol_type.html" title="ip::basic_resolver_query::protocol_type"><span class="bold"><strong>protocol_type</strong></span></a>
</p>
</td>
<td>
<p>
The protocol type associated with the endpoint query.
</p>
</td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ip__basic_resolver_query.h1"></a>
<span class="phrase"><a name="boost_asio.reference.ip__basic_resolver_query.member_functions"></a></span><a class="link" href="ip__basic_resolver_query.html#boost_asio.reference.ip__basic_resolver_query.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="ip__basic_resolver_query/basic_resolver_query.html" title="ip::basic_resolver_query::basic_resolver_query"><span class="bold"><strong>basic_resolver_query</strong></span></a>
</p>
</td>
<td>
<p>
Construct with specified service name for any protocol.
</p>
<p>
Construct with specified service name for a given protocol.
</p>
<p>
Construct with specified host name and service name for any protocol.
</p>
<p>
Construct with specified host name and service name for a given
protocol.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__basic_resolver_query/hints.html" title="ip::basic_resolver_query::hints"><span class="bold"><strong>hints</strong></span></a>
</p>
</td>
<td>
<p>
Get the hints associated with the query.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__basic_resolver_query/host_name.html" title="ip::basic_resolver_query::host_name"><span class="bold"><strong>host_name</strong></span></a>
</p>
</td>
<td>
<p>
Get the host name associated with the query.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__basic_resolver_query/service_name.html" title="ip::basic_resolver_query::service_name"><span class="bold"><strong>service_name</strong></span></a>
</p>
</td>
<td>
<p>
Get the service name associated with the query.
</p>
</td>
</tr>
</tbody>
</table></div>
<h5>
<a name="boost_asio.reference.ip__basic_resolver_query.h2"></a>
<span class="phrase"><a name="boost_asio.reference.ip__basic_resolver_query.data_members"></a></span><a class="link" href="ip__basic_resolver_query.html#boost_asio.reference.ip__basic_resolver_query.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="ip__basic_resolver_query/address_configured.html" title="ip::basic_resolver_query::address_configured"><span class="bold"><strong>address_configured</strong></span></a>
</p>
</td>
<td>
<p>
Only return IPv4 addresses if a non-loopback IPv4 address is configured
for the system. Only return IPv6 addresses if a non-loopback IPv6
address is configured for the system.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__basic_resolver_query/all_matching.html" title="ip::basic_resolver_query::all_matching"><span class="bold"><strong>all_matching</strong></span></a>
</p>
</td>
<td>
<p>
If used with v4_mapped, return all matching IPv6 and IPv4 addresses.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__basic_resolver_query/canonical_name.html" title="ip::basic_resolver_query::canonical_name"><span class="bold"><strong>canonical_name</strong></span></a>
</p>
</td>
<td>
<p>
Determine the canonical name of the host specified in the query.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__basic_resolver_query/numeric_host.html" title="ip::basic_resolver_query::numeric_host"><span class="bold"><strong>numeric_host</strong></span></a>
</p>
</td>
<td>
<p>
Host name should be treated as a numeric string defining an IPv4
or IPv6 address and no name resolution should be attempted.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__basic_resolver_query/numeric_service.html" title="ip::basic_resolver_query::numeric_service"><span class="bold"><strong>numeric_service</strong></span></a>
</p>
</td>
<td>
<p>
Service name should be treated as a numeric string defining a port
number and no name resolution should be attempted.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__basic_resolver_query/passive.html" title="ip::basic_resolver_query::passive"><span class="bold"><strong>passive</strong></span></a>
</p>
</td>
<td>
<p>
Indicate that returned endpoint is intended for use as a locally
bound socket endpoint.
</p>
</td>
</tr>
<tr>
<td>
<p>
<a class="link" href="ip__basic_resolver_query/v4_mapped.html" title="ip::basic_resolver_query::v4_mapped"><span class="bold"><strong>v4_mapped</strong></span></a>
</p>
</td>
<td>
<p>
If the query protocol family is specified as IPv6, return IPv4-mapped
IPv6 addresses on finding no IPv6 addresses.
</p>
</td>
</tr>
</tbody>
</table></div>
<p>
The <a class="link" href="ip__basic_resolver_query.html" title="ip::basic_resolver_query"><code class="computeroutput"><span class="identifier">ip</span><span class="special">::</span><span class="identifier">basic_resolver_query</span></code></a>
class template describes a query that can be passed to a resolver.
</p>
<h5>
<a name="boost_asio.reference.ip__basic_resolver_query.h3"></a>
<span class="phrase"><a name="boost_asio.reference.ip__basic_resolver_query.thread_safety"></a></span><a class="link" href="ip__basic_resolver_query.html#boost_asio.reference.ip__basic_resolver_query.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.ip__basic_resolver_query.h4"></a>
<span class="phrase"><a name="boost_asio.reference.ip__basic_resolver_query.requirements"></a></span><a class="link" href="ip__basic_resolver_query.html#boost_asio.reference.ip__basic_resolver_query.requirements">Requirements</a>
</h5>
<p>
<span class="emphasis"><em>Header: </em></span><code class="literal">boost/asio/ip/basic_resolver_query.hpp</code>
</p>
<p>
<span class="emphasis"><em>Convenience header: </em></span><code class="literal">boost/asio.hpp</code>
</p>
</div>
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<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>
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