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| <div class="titlepage"><div><div><h5 class="title"> |
| <a name="boost_asio.reference.ip__basic_resolver.async_resolve.overload2"></a><a class="link" href="overload2.html" title="ip::basic_resolver::async_resolve (2 of 2 overloads)">ip::basic_resolver::async_resolve |
| (2 of 2 overloads)</a> |
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| <p> |
| Asynchronously perform reverse resolution of an endpoint to a list of |
| entries. |
| </p> |
| <pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> |
| <span class="keyword">typename</span> <a class="link" href="../../ResolveHandler.html" title="Resolve handler requirements">ResolveHandler</a><span class="special">></span> |
| <span class="keyword">void</span> <span class="identifier">async_resolve</span><span class="special">(</span> |
| <span class="keyword">const</span> <span class="identifier">endpoint_type</span> <span class="special">&</span> <span class="identifier">e</span><span class="special">,</span> |
| <span class="identifier">ResolveHandler</span> <span class="identifier">handler</span><span class="special">);</span> |
| </pre> |
| <p> |
| This function is used to asynchronously resolve an endpoint into a list |
| of endpoint entries. |
| </p> |
| <a name="boost_asio.reference.ip__basic_resolver.async_resolve.overload2.parameters"></a><h6> |
| <a name="id1191150"></a> |
| <a class="link" href="overload2.html#boost_asio.reference.ip__basic_resolver.async_resolve.overload2.parameters">Parameters</a> |
| </h6> |
| <div class="variablelist"> |
| <p class="title"><b></b></p> |
| <dl> |
| <dt><span class="term">e</span></dt> |
| <dd><p> |
| An endpoint object that determines what endpoints will be returned. |
| </p></dd> |
| <dt><span class="term">handler</span></dt> |
| <dd> |
| <p> |
| The handler to be called when the resolve operation completes. |
| Copies will be made of the handler as required. The function signature |
| of the handler must be: |
| </p> |
| <pre class="programlisting"><span class="keyword">void</span> <span class="identifier">handler</span><span class="special">(</span> |
| <span class="keyword">const</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">system</span><span class="special">::</span><span class="identifier">error_code</span><span class="special">&</span> <span class="identifier">error</span><span class="special">,</span> <span class="comment">// Result of operation. |
| </span> <span class="identifier">resolver</span><span class="special">::</span><span class="identifier">iterator</span> <span class="identifier">iterator</span> <span class="comment">// Forward-only iterator that can |
| </span> <span class="comment">// be used to traverse the list |
| </span> <span class="comment">// of endpoint entries. |
| </span><span class="special">);</span> |
| </pre> |
| <p> |
| 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 <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">io_service</span><span class="special">::</span><span class="identifier">post</span><span class="special">()</span></code>. |
| </p> |
| </dd> |
| </dl> |
| </div> |
| <a name="boost_asio.reference.ip__basic_resolver.async_resolve.overload2.remarks"></a><h6> |
| <a name="id1191369"></a> |
| <a class="link" href="overload2.html#boost_asio.reference.ip__basic_resolver.async_resolve.overload2.remarks">Remarks</a> |
| </h6> |
| <p> |
| A default constructed iterator represents the end of the list. |
| </p> |
| <p> |
| A successful resolve operation is guaranteed to pass at least one entry |
| to the handler. |
| </p> |
| </div> |
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| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 2003 - 2010 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>) |
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