<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html> <head> <link rel="STYLESHEET" href="modpython.css" type='text/css' /> <link rel="first" href="modpython.html" title='Mod_python Manual' /> <link rel='contents' href='contents.html' title="Contents" /> <link rel='index' href='genindex.html' title='Index' /> <link rel='last' href='about.html' title='About this document...' /> <link rel='help' href='about.html' title='About this document...' /> <link rel="next" href="pyapi-mpconn-mem.html" /> <link rel="prev" href="pyapi-mpconn.html" /> <link rel="parent" href="pyapi-mpconn.html" /> <link rel="next" href="pyapi-mpconn-mem.html" /> <meta name='aesop' content='information' /> <title>4.5.5.1 Connection Methods</title> </head> <body> <DIV CLASS="navigation"> <div id='top-navigation-panel' xml:id='top-navigation-panel'> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td class='online-navigation'><a rel="prev" title="4.5.5 Connection Object (mp_conn)" href="pyapi-mpconn.html"><img src='previous.png' border='0' height='32' alt='Previous Page' width='32' /></A></td> <td class='online-navigation'><a rel="parent" title="4.5.5 Connection Object (mp_conn)" href="pyapi-mpconn.html"><img src='up.png' border='0' height='32' alt='Up One Level' width='32' /></A></td> <td class='online-navigation'><a rel="next" title="4.5.5.2 Connection Members" href="pyapi-mpconn-mem.html"><img src='next.png' border='0' height='32' alt='Next Page' width='32' /></A></td> <td align="center" width="100%">Mod_python Manual</td> <td class='online-navigation'><a rel="contents" title="Table of Contents" href="contents.html"><img src='contents.png' border='0' height='32' alt='Contents' width='32' /></A></td> <td class='online-navigation'><img src='blank.png' border='0' height='32' alt='' width='32' /></td> <td class='online-navigation'><a rel="index" title="Index" href="genindex.html"><img src='index.png' border='0' height='32' alt='Index' width='32' /></A></td> </tr></table> <div class='online-navigation'> <b class="navlabel">Previous:</b> <a class="sectref" rel="prev" href="pyapi-mpconn.html">4.5.5 Connection Object (mp_conn)</A> <b class="navlabel">Up:</b> <a class="sectref" rel="parent" href="pyapi-mpconn.html">4.5.5 Connection Object (mp_conn)</A> <b class="navlabel">Next:</b> <a class="sectref" rel="next" href="pyapi-mpconn-mem.html">4.5.5.2 Connection Members</A> </div> <hr /></div> </DIV> <!--End of Navigation Panel--> <H3><A NAME="SECTION006551000000000000000"></A><A NAME="pyapi-mpconn-meth"></A> <BR> 4.5.5.1 Connection Methods </H3> <P> <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> <td><nobr><b><tt id='l2h-145' xml:id='l2h-145' class="method">log_error</tt></b>(</nobr></td> <td><var>message</var><big>[</big><var>, level</var><big>]</big><var></var>)</td></tr></table></dt> <dd> An interface to the Apache <code>ap_log_cerror</code> function. <var>message</var> is a string with the error message, <var>level</var> is one of the following flags constants: <P> <div class="verbatim"><pre> APLOG_EMERG APLOG_ALERT APLOG_CRIT APLOG_ERR APLOG_WARNING APLOG_NOTICE APLOG_INFO APLOG_DEBUG APLOG_NOERRNO </pre></div> <P> If you need to write to log and do not have a reference to a connection or request object, use the <tt class="function">apache.log_error</tt> function. </dl> <P> <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> <td><nobr><b><tt id='l2h-146' xml:id='l2h-146' class="method">read</tt></b>(</nobr></td> <td><var></var><big>[</big><var>length</var><big>]</big><var></var>)</td></tr></table></dt> <dd> Reads at most <var>length</var> bytes from the client. The read blocks indefinitely until there is at least one byte to read. If length is -1, keep reading until the socket is closed from the other end (This is known as <code>EXHAUSTIVE</code> mode in the http server code). <P> This method should only be used inside <em>Connection Handlers</em>. <P> <div class="note"><b class="label">Note:</b> The behaviour of this method has changed since version 3.0.3. In 3.0.3 and prior, this method would block until <var>length</var> bytes was read. </div> <P> </dl> <P> <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> <td><nobr><b><tt id='l2h-147' xml:id='l2h-147' class="method">readline</tt></b>(</nobr></td> <td><var></var><big>[</big><var>length</var><big>]</big><var></var>)</td></tr></table></dt> <dd> <P> Reads a line from the connection or up to <var>length</var> bytes. <P> This method should only be used inside <em>Connection Handlers</em>. <P> </dl> <P> <dl><dt><table cellpadding="0" cellspacing="0"><tr valign="baseline"> <td><nobr><b><tt id='l2h-148' xml:id='l2h-148' class="method">write</tt></b>(</nobr></td> <td><var>string</var>)</td></tr></table></dt> <dd> <P> Writes <var>string</var> to the client. <P> This method should only be used inside <em>Connection Handlers</em>. <P> </dl> <P> <DIV CLASS="navigation"> <div class='online-navigation'> <p></p><hr /> <table align="center" width="100%" cellpadding="0" cellspacing="2"> <tr> <td class='online-navigation'><a rel="prev" title="4.5.5 Connection Object (mp_conn)" href="pyapi-mpconn.html"><img src='previous.png' border='0' height='32' alt='Previous Page' width='32' /></A></td> <td class='online-navigation'><a rel="parent" title="4.5.5 Connection Object (mp_conn)" href="pyapi-mpconn.html"><img src='up.png' border='0' height='32' alt='Up One Level' width='32' /></A></td> <td class='online-navigation'><a rel="next" title="4.5.5.2 Connection Members" href="pyapi-mpconn-mem.html"><img src='next.png' border='0' height='32' alt='Next Page' width='32' /></A></td> <td align="center" width="100%">Mod_python Manual</td> <td class='online-navigation'><a rel="contents" title="Table of Contents" href="contents.html"><img src='contents.png' border='0' height='32' alt='Contents' width='32' /></A></td> <td class='online-navigation'><img src='blank.png' border='0' height='32' alt='' width='32' /></td> <td class='online-navigation'><a rel="index" title="Index" href="genindex.html"><img src='index.png' border='0' height='32' alt='Index' width='32' /></A></td> </tr></table> <div class='online-navigation'> <b class="navlabel">Previous:</b> <a class="sectref" rel="prev" href="pyapi-mpconn.html">4.5.5 Connection Object (mp_conn)</A> <b class="navlabel">Up:</b> <a class="sectref" rel="parent" href="pyapi-mpconn.html">4.5.5 Connection Object (mp_conn)</A> <b class="navlabel">Next:</b> <a class="sectref" rel="next" href="pyapi-mpconn-mem.html">4.5.5.2 Connection Members</A> </div> </div> <hr /> <span class="release-info">Release 3.3.1, documentation updated on January 29, 2007.</span> </DIV> <!--End of Navigation Panel--> </BODY> </HTML>