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<a href="#pub-methods">Public Member Functions</a> &#124;
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<h1>TCPBuffer Class Reference</h1>  </div>
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<!-- doxytag: class="TCPBuffer" --><!-- doxytag: inherits="BufferProtocol,Socket" -->
<p>A generic tcp socket class that offers i/o buffering.  
<a href="#_details">More...</a></p>

<p><code>#include &lt;<a class="el" href="a00179_source.html">buffer.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for TCPBuffer:</div>
<div class="dyncontent">
<div class="center"><img src="a00482.png" border="0" usemap="#_t_c_p_buffer_inherit__map" alt="Inheritance graph"/></div>
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<area shape="rect" id="node9" href="a00145.html" title="Secure socket buffer." alt="" coords="119,229,231,256"/><area shape="rect" id="node2" href="a00026.html" title="Common buffer protocol class." alt="" coords="20,80,183,107"/><area shape="rect" id="node4" href="a00028.html" title="Common character processing protocol." alt="" coords="5,5,197,32"/><area shape="rect" id="node6" href="a00142.html" title="A generic socket base class." alt="" coords="207,80,289,107"/></map>
<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<div class="dynheader">
Collaboration diagram for TCPBuffer:</div>
<div class="dyncontent">
<div class="center"><img src="a00483.png" border="0" usemap="#_t_c_p_buffer_coll__map" alt="Collaboration graph"/></div>
<map name="_t_c_p_buffer_coll__map" id="_t_c_p_buffer_coll__map">
<area shape="rect" id="node2" href="a00026.html" title="Common buffer protocol class." alt="" coords="20,80,183,107"/><area shape="rect" id="node4" href="a00028.html" title="Common character processing protocol." alt="" coords="5,5,197,32"/><area shape="rect" id="node6" href="a00142.html" title="A generic socket base class." alt="" coords="207,80,289,107"/></map>
<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a51a74cb9fb4cf9330e9a02338cd7f6ab"></a><!-- doxytag: member="TCPBuffer::close" ref="a51a74cb9fb4cf9330e9a02338cd7f6ab" args="(void)" -->
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a51a74cb9fb4cf9330e9a02338cd7f6ab">close</a> (void)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Close active connection. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a08ce125780d6b7cc8f210c6886380b78">open</a> (const char *host, const char *service, size_t size=536)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Connect a tcp client session to a specific host uri.  <a href="#a08ce125780d6b7cc8f210c6886380b78"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a93de2033838ffa75def928fa2f0481c3">open</a> (const <a class="el" href="a00154.html">TCPServer</a> *server, size_t size=536)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Connect a tcp socket to a client from a listener.  <a href="#a93de2033838ffa75def928fa2f0481c3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#ab66f151c4da45b11931bc539d89c9ce8">TCPBuffer</a> (const <a class="el" href="a00154.html">TCPServer</a> *server, size_t size=536)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Construct a tcp server session from a listening socket.  <a href="#ab66f151c4da45b11931bc539d89c9ce8"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa0595b3edd85e672f1b82b52fa611de0"></a><!-- doxytag: member="TCPBuffer::TCPBuffer" ref="aa0595b3edd85e672f1b82b52fa611de0" args="()" -->
&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#aa0595b3edd85e672f1b82b52fa611de0">TCPBuffer</a> ()</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Construct an unconnected tcp client and specify our service profile. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a3458f6ee3af76f5c69f69d3d6078f8fa">TCPBuffer</a> (const char *host, const char *service, size_t size=536)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Construct a tcp client session connected to a specific host uri.  <a href="#a3458f6ee3af76f5c69f69d3d6078f8fa"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6e3fc6dbc13d8ab870a6783065e222ed"></a><!-- doxytag: member="TCPBuffer::~TCPBuffer" ref="a6e3fc6dbc13d8ab870a6783065e222ed" args="()" -->
virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a6e3fc6dbc13d8ab870a6783065e222ed">~TCPBuffer</a> ()</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Destroy the tcp socket and release all resources. <br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac251e589c325ccf358ea8e61ab59f05a"></a><!-- doxytag: member="TCPBuffer::_blocking" ref="ac251e589c325ccf358ea8e61ab59f05a" args="(void)" -->
bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#ac251e589c325ccf358ea8e61ab59f05a">_blocking</a> (void)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Return true if blocking. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abc3409daec4576fc5a2ab070eaf673cc"></a><!-- doxytag: member="TCPBuffer::_buffer" ref="abc3409daec4576fc5a2ab070eaf673cc" args="(size_t size)" -->
void&#160;</td><td class="memItemRight" valign="bottom"><b>_buffer</b> (size_t size)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a225f279dd64437a89ca404721da5eac4"></a><!-- doxytag: member="TCPBuffer::_clear" ref="a225f279dd64437a89ca404721da5eac4" args="(void)" -->
void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a225f279dd64437a89ca404721da5eac4">_clear</a> (void)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Method to clear low level i/o error. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a8b3f5bdb588264bbbb911b2bf1a18217">_err</a> (void) const </td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Method to get low level i/o error.  <a href="#a8b3f5bdb588264bbbb911b2bf1a18217"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a766e77cf12b658ae1800aeab8971ae08">_pending</a> (void)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Check for pending tcp or ssl data.  <a href="#a766e77cf12b658ae1800aeab8971ae08"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a155afa24d6928913be7706060542aae8">_pull</a> (char *<a class="el" href="a00143.html">address</a>, size_t size)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Method to pull buffer from physical i/o (read).  <a href="#a155afa24d6928913be7706060542aae8"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a158f7e96e02a0b41c816745b03c27f2d">_push</a> (const char *<a class="el" href="a00143.html">address</a>, size_t size)</td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Method to push buffer into physical i/o (write).  <a href="#a158f7e96e02a0b41c816745b03c27f2d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">socket_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="a00153.html#a5f753fb25ef6eb9f3a232d82982ce9a2">getsocket</a> (void) const </td></tr>
<tr><td class="mdescLeft">&#160;</td><td class="mdescRight">Get the low level socket object.  <a href="#a5f753fb25ef6eb9f3a232d82982ce9a2"></a><br/></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>A generic tcp socket class that offers i/o buffering. </p>
<p>All user i/o operations are directly inherited from the IOBuffer base class public members. Some additional members are added for layering ssl services. </p>
<dl class="author"><dt><b>Author:</b></dt><dd>David Sugar &lt;<a href="mailto:dyfet@gnutelephony.org">dyfet@gnutelephony.org</a>&gt; </dd></dl>

<p>Definition at line <a class="el" href="a00179_source.html#l00151">151</a> of file <a class="el" href="a00179_source.html">buffer.h</a>.</p>
</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="ab66f151c4da45b11931bc539d89c9ce8"></a><!-- doxytag: member="TCPBuffer::TCPBuffer" ref="ab66f151c4da45b11931bc539d89c9ce8" args="(const TCPServer *server, size_t size=536)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">TCPBuffer::TCPBuffer </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="a00154.html">TCPServer</a> *&#160;</td>
          <td class="paramname"><em>server</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>size</em> = <code>536</code>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Construct a tcp server session from a listening socket. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">server</td><td>socket we are created from. </td></tr>
    <tr><td class="paramname">size</td><td>of buffer and tcp fragments. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="a3458f6ee3af76f5c69f69d3d6078f8fa"></a><!-- doxytag: member="TCPBuffer::TCPBuffer" ref="a3458f6ee3af76f5c69f69d3d6078f8fa" args="(const char *host, const char *service, size_t size=536)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">TCPBuffer::TCPBuffer </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>host</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>service</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>size</em> = <code>536</code>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Construct a tcp client session connected to a specific host uri. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">host</td><td>and optional :port we are connecting to. </td></tr>
    <tr><td class="paramname">service</td><td>identifier of our client. </td></tr>
    <tr><td class="paramname">size</td><td>of buffer and tcp fragments. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a8b3f5bdb588264bbbb911b2bf1a18217"></a><!-- doxytag: member="TCPBuffer::_err" ref="a8b3f5bdb588264bbbb911b2bf1a18217" args="(void) const " -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">int TCPBuffer::_err </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td> const<code> [protected, virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Method to get low level i/o error. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>error from low level i/o methods. </dd></dl>

<p>Implements <a class="el" href="a00026.html#adb9d25e9827e64994be51a3764d220cb">BufferProtocol</a>.</p>

</div>
</div>
<a class="anchor" id="a766e77cf12b658ae1800aeab8971ae08"></a><!-- doxytag: member="TCPBuffer::_pending" ref="a766e77cf12b658ae1800aeab8971ae08" args="(void)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">virtual bool TCPBuffer::_pending </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td><code> [protected, virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Check for pending tcp or ssl data. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if data pending. </dd></dl>

<p>Reimplemented from <a class="el" href="a00026.html#a8d2bcc8a640ceaa8adc06ff4201b4bf7">BufferProtocol</a>.</p>

<p>Reimplemented in <a class="el" href="a00145.html#afec60a07fb94c439d1b3685090353f99">SSLBuffer</a>.</p>

</div>
</div>
<a class="anchor" id="a155afa24d6928913be7706060542aae8"></a><!-- doxytag: member="TCPBuffer::_pull" ref="a155afa24d6928913be7706060542aae8" args="(char *address, size_t size)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">virtual size_t TCPBuffer::_pull </td>
          <td>(</td>
          <td class="paramtype">char *&#160;</td>
          <td class="paramname"><em>address</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>size</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td><code> [protected, virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Method to pull buffer from physical i/o (read). </p>
<p>The address is passed to this virtual since it is hidden as private. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">address</td><td>of buffer to pull data into. </td></tr>
    <tr><td class="paramname">size</td><td>of buffer area being pulled.. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>number of read written, 0 on error or end of data. </dd></dl>

<p>Implements <a class="el" href="a00026.html#ad2c4021277a1302c3e622a168da7a040">BufferProtocol</a>.</p>

<p>Reimplemented in <a class="el" href="a00145.html#abe442464247c1c091880c70a6318209e">SSLBuffer</a>.</p>

</div>
</div>
<a class="anchor" id="a158f7e96e02a0b41c816745b03c27f2d"></a><!-- doxytag: member="TCPBuffer::_push" ref="a158f7e96e02a0b41c816745b03c27f2d" args="(const char *address, size_t size)" -->
<div class="memitem">
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      <table class="memname">
        <tr>
          <td class="memname">virtual size_t TCPBuffer::_push </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>address</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>size</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td><code> [protected, virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Method to push buffer into physical i/o (write). </p>
<p>The address is passed to this virtual since it is hidden as private. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">address</td><td>of data to push. </td></tr>
    <tr><td class="paramname">size</td><td>of data to push. </td></tr>
  </table>
  </dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>number of bytes written, 0 on error. </dd></dl>

<p>Implements <a class="el" href="a00026.html#a1eab001b291a96fe9ef6e018becad29c">BufferProtocol</a>.</p>

<p>Reimplemented in <a class="el" href="a00145.html#aeadbbb7391f8c72acb727028dc3718c5">SSLBuffer</a>.</p>

</div>
</div>
<a class="anchor" id="a5f753fb25ef6eb9f3a232d82982ce9a2"></a><!-- doxytag: member="TCPBuffer::getsocket" ref="a5f753fb25ef6eb9f3a232d82982ce9a2" args="(void) const " -->
<div class="memitem">
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      <table class="memname">
        <tr>
          <td class="memname">socket_t TCPBuffer::getsocket </td>
          <td>(</td>
          <td class="paramtype">void&#160;</td>
          <td class="paramname"></td><td>)</td>
          <td> const<code> [inline, protected]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Get the low level socket object. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>socket we are using. </dd></dl>

<p>Definition at line <a class="el" href="a00179_source.html#l00166">166</a> of file <a class="el" href="a00179_source.html">buffer.h</a>.</p>

</div>
</div>
<a class="anchor" id="a08ce125780d6b7cc8f210c6886380b78"></a><!-- doxytag: member="TCPBuffer::open" ref="a08ce125780d6b7cc8f210c6886380b78" args="(const char *host, const char *service, size_t size=536)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void TCPBuffer::open </td>
          <td>(</td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>host</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const char *&#160;</td>
          <td class="paramname"><em>service</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>size</em> = <code>536</code>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Connect a tcp client session to a specific host uri. </p>
<p>If the socket was already connected, it is automatically closed first. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">host</td><td>we are connecting. </td></tr>
    <tr><td class="paramname">service</td><td>to connect to. </td></tr>
    <tr><td class="paramname">size</td><td>of buffer and tcp fragments. </td></tr>
  </table>
  </dd>
</dl>

<p>Reimplemented in <a class="el" href="a00145.html#a0c6720bb0ab8c23191b13d526fe9f4e1">SSLBuffer</a>.</p>

</div>
</div>
<a class="anchor" id="a93de2033838ffa75def928fa2f0481c3"></a><!-- doxytag: member="TCPBuffer::open" ref="a93de2033838ffa75def928fa2f0481c3" args="(const TCPServer *server, size_t size=536)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void TCPBuffer::open </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="a00154.html">TCPServer</a> *&#160;</td>
          <td class="paramname"><em>server</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">size_t&#160;</td>
          <td class="paramname"><em>size</em> = <code>536</code>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Connect a tcp socket to a client from a listener. </p>
<p>If the socket was already connected, it is automatically closed first. </p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">server</td><td>we are connected from. </td></tr>
    <tr><td class="paramname">size</td><td>of buffer and tcp fragments. </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>ucommon/<a class="el" href="a00179_source.html">buffer.h</a></li>
</ul>
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      <li class="navelem"><a class="el" href="a00153.html">TCPBuffer</a>      </li>
      <li class="footer">Generated on Wed Apr 13 2011 22:39:48 for ucommon by&#160;
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