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+<title>buffered_stream</title>
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+</div>
+<div class="section">
+<div class="titlepage"><div><div><h3 class="title">
+<a name="boost_asio.reference.buffered_stream"></a><a class="link" href="buffered_stream.html" title="buffered_stream">buffered_stream</a>
+</h3></div></div></div>
+<p>
+ Adds buffering to the read- and write-related operations of a stream.
+ </p>
+<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
+ <span class="keyword">typename</span> <span class="identifier">Stream</span><span class="special">&gt;</span>
+<span class="keyword">class</span> <span class="identifier">buffered_stream</span> <span class="special">:</span>
+ <span class="identifier">noncopyable</span>
+</pre>
+<h5>
+<a name="boost_asio.reference.buffered_stream.h0"></a>
+ <span><a name="boost_asio.reference.buffered_stream.types"></a></span><a class="link" href="buffered_stream.html#boost_asio.reference.buffered_stream.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="buffered_stream/lowest_layer_type.html" title="buffered_stream::lowest_layer_type"><span class="bold"><strong>lowest_layer_type</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ The type of the lowest layer.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/next_layer_type.html" title="buffered_stream::next_layer_type"><span class="bold"><strong>next_layer_type</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ The type of the next layer.
+ </p>
+ </td>
+</tr>
+</tbody>
+</table></div>
+<h5>
+<a name="boost_asio.reference.buffered_stream.h1"></a>
+ <span><a name="boost_asio.reference.buffered_stream.member_functions"></a></span><a class="link" href="buffered_stream.html#boost_asio.reference.buffered_stream.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="buffered_stream/async_fill.html" title="buffered_stream::async_fill"><span class="bold"><strong>async_fill</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Start an asynchronous fill.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/async_flush.html" title="buffered_stream::async_flush"><span class="bold"><strong>async_flush</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Start an asynchronous flush.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/async_read_some.html" title="buffered_stream::async_read_some"><span class="bold"><strong>async_read_some</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Start an asynchronous read. The buffer into which the data will
+ be read must be valid for the lifetime of the asynchronous operation.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/async_write_some.html" title="buffered_stream::async_write_some"><span class="bold"><strong>async_write_some</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Start an asynchronous write. The data being written must be valid
+ for the lifetime of the asynchronous operation.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/buffered_stream.html" title="buffered_stream::buffered_stream"><span class="bold"><strong>buffered_stream</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Construct, passing the specified argument to initialise the next
+ layer.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/close.html" title="buffered_stream::close"><span class="bold"><strong>close</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Close the stream.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/fill.html" title="buffered_stream::fill"><span class="bold"><strong>fill</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Fill the buffer with some data. Returns the number of bytes placed
+ in the buffer as a result of the operation. Throws an exception
+ on failure.
+ </p>
+ <p>
+ Fill the buffer with some data. Returns the number of bytes placed
+ in the buffer as a result of the operation, or 0 if an error occurred.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/flush.html" title="buffered_stream::flush"><span class="bold"><strong>flush</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Flush all data from the buffer to the next layer. Returns the number
+ of bytes written to the next layer on the last write operation.
+ Throws an exception on failure.
+ </p>
+ <p>
+ Flush all data from the buffer to the next layer. Returns the number
+ of bytes written to the next layer on the last write operation,
+ or 0 if an error occurred.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/get_io_service.html" title="buffered_stream::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="buffered_stream/in_avail.html" title="buffered_stream::in_avail"><span class="bold"><strong>in_avail</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Determine the amount of data that may be read without blocking.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/lowest_layer.html" title="buffered_stream::lowest_layer"><span class="bold"><strong>lowest_layer</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Get a reference to the lowest layer.
+ </p>
+ <p>
+ Get a const reference to the lowest layer.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/next_layer.html" title="buffered_stream::next_layer"><span class="bold"><strong>next_layer</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Get a reference to the next layer.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/peek.html" title="buffered_stream::peek"><span class="bold"><strong>peek</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Peek at the incoming data on the stream. Returns the number of
+ bytes read. Throws an exception on failure.
+ </p>
+ <p>
+ Peek at the incoming data on the stream. Returns the number of
+ bytes read, or 0 if an error occurred.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/read_some.html" title="buffered_stream::read_some"><span class="bold"><strong>read_some</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Read some data from the stream. Returns the number of bytes read.
+ Throws an exception on failure.
+ </p>
+ <p>
+ Read some data from the stream. Returns the number of bytes read
+ or 0 if an error occurred.
+ </p>
+ </td>
+</tr>
+<tr>
+<td>
+ <p>
+ <a class="link" href="buffered_stream/write_some.html" title="buffered_stream::write_some"><span class="bold"><strong>write_some</strong></span></a>
+ </p>
+ </td>
+<td>
+ <p>
+ Write the given data to the stream. Returns the number of bytes
+ written. Throws an exception on failure.
+ </p>
+ <p>
+ Write the given data to the stream. Returns the number of bytes
+ written, or 0 if an error occurred.
+ </p>
+ </td>
+</tr>
+</tbody>
+</table></div>
+<p>
+ The <a class="link" href="buffered_stream.html" title="buffered_stream"><code class="computeroutput"><span class="identifier">buffered_stream</span></code></a>
+ class template can be used to add buffering to the synchronous and asynchronous
+ read and write operations of a stream.
+ </p>
+<h5>
+<a name="boost_asio.reference.buffered_stream.h2"></a>
+ <span><a name="boost_asio.reference.buffered_stream.thread_safety"></a></span><a class="link" href="buffered_stream.html#boost_asio.reference.buffered_stream.thread_safety">Thread
+ Safety</a>
+ </h5>
+<p>
+ <span class="bold"><strong>Distinct</strong></span> <span class="bold"><strong>objects:</strong></span>
+ Safe.
+ </p>
+<p>
+ <span class="bold"><strong>Shared</strong></span> <span class="bold"><strong>objects:</strong></span>
+ Unsafe.
+ </p>
+<h5>
+<a name="boost_asio.reference.buffered_stream.h3"></a>
+ <span><a name="boost_asio.reference.buffered_stream.requirements"></a></span><a class="link" href="buffered_stream.html#boost_asio.reference.buffered_stream.requirements">Requirements</a>
+ </h5>
+<p>
+ <span class="bold"><strong>Header: </strong></span><code class="literal">boost/asio/buffered_stream.hpp</code>
+ </p>
+<p>
+ <span class="bold"><strong>Convenience header: </strong></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 &#169; 2003-2012 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="buffered_read_stream/write_some/overload2.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="buffered_stream/async_fill.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a>
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