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<title>12.17 xdrlib -- Encode and decode XDR data
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<H1><A NAME=
"SECTION00141700000000000000000">
12.17 <tt class=
"module">xdrlib
</tt> --
Encode and decode XDR data
</A>
<A NAME=
"module-xdrlib"></A>
<a id='l2h-
4164' xml:id='l2h-
4164'
></a>
The
<tt class=
"module">xdrlib
</tt> module supports the External Data Representation
Standard as described in
<a class=
"rfc" id='rfcref-
91292' xml:id='rfcref-
91292'
href=
"http://www.faqs.org/rfcs/rfc1014.html">RFC
1014</a>, written by Sun Microsystems,
Inc. June
1987. It supports most of the data types described in the
The
<tt class=
"module">xdrlib
</tt> module defines two classes, one for packing
variables into XDR representation, and another for unpacking from XDR
representation. There are also two exception classes.
<dl><dt><table cellpadding=
"0" cellspacing=
"0"><tr valign=
"baseline">
<td><nobr><b><span class=
"typelabel">class
</span> <tt id='l2h-
4162' xml:id='l2h-
4162'
class=
"class">Packer
</tt></b>(
</nobr></td>
<td><var></var>)
</td></tr></table></dt>
<tt class=
"class">Packer
</tt> is the class for packing data into XDR representation.
The
<tt class=
"class">Packer
</tt> class is instantiated with no arguments.
<dl><dt><table cellpadding=
"0" cellspacing=
"0"><tr valign=
"baseline">
<td><nobr><b><span class=
"typelabel">class
</span> <tt id='l2h-
4163' xml:id='l2h-
4163'
class=
"class">Unpacker
</tt></b>(
</nobr></td>
<td><var>data
</var>)
</td></tr></table></dt>
<code>Unpacker
</code> is the complementary class which unpacks XDR data
values from a string buffer. The input buffer is given as
<p class=
"heading">See Also:
</p>
<dl compact=
"compact" class=
"seerfc">
<dt><a href=
"http://www.faqs.org/rfcs/rfc1014.html"
title=
"XDR: External Data Representation Standard"
>RFC
1014,
<em>XDR: External Data Representation Standard
</em></a>
defined the encoding of data which was XDR at the time
this module was originally written. It has
apparently been obsoleted by
<a class=
"rfc" id='rfcref-
91288' xml:id='rfcref-
91288'
href=
"http://www.faqs.org/rfcs/rfc1832.html">RFC
1832</a>.
<dl compact=
"compact" class=
"seerfc">
<dt><a href=
"http://www.faqs.org/rfcs/rfc1832.html"
title=
"XDR: External Data Representation Standard"
>RFC
1832,
<em>XDR: External Data Representation Standard
</em></a>
that provides a revised definition of XDR.
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<!--Table of Child-Links-->
<A NAME=
"CHILD_LINKS"><STRONG>Subsections
</STRONG></a>
<LI><A href=
"xdr-packer-objects.html">12.17.1 Packer Objects
</a>
<LI><A href=
"xdr-unpacker-objects.html">12.17.2 Unpacker Objects
</a>
<LI><A href=
"xdr-exceptions.html">12.17.3 Exceptions
</a>
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<span class=
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2.4.2, documentation updated on
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2005.
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