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Top Forums Shell Programming and Scripting Fileserver in Perl via xinetd - bad XML output Post 302192319 by blemmo on Tuesday 6th of May 2008 05:43:14 PM
Old 05-06-2008
Quote:
Originally Posted by KevinADC
Do you need to print anything before the XML code itself is printed to STDOUT? Some type of protocol header maybe?
Hm, I don't think so. The connection is made by a so called XMLSocket in Flash, it's a socket that sends and receives string data (XML mainly, but any string is fine, as long as you don't let Flash parse it, but here it is automated because the request gets out before you actually use your socket connection).

So, what I have is
Code:
open POLICYFILE, "<$filePath" or die "Can't open '$filePath': $!\n";
$content = <POLICYFILE>;
close POLICYFILE;
...
print CONNSOCK $content;
print CONNSOCK $NULLBYTE;
close CONNSOCK;

in the standalone script versus
Code:
open POLICYFILE, "<$filePath" or die "Can't open '$filePath': $!\n";
$content = <POLICYFILE>;
close POLICYFILE;
...
print STDOUT $content;

in the xinetd script.

I guess that xinetd is supposed to push the output into the socket and add the terminating NULL byte. I don't know how xinetd works, but I've read that you just have to give your output into STDOUT when you're doing a xinetd service, so I guess this is the way to do it.

However what xinetd does after that is beyond me.
 

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SAX::PurePerl(3)					User Contributed Perl Documentation					  SAX::PurePerl(3)

NAME
XML::SAX::PurePerl - Pure Perl XML Parser with SAX2 interface SYNOPSIS
use XML::Handler::Foo; use XML::SAX::PurePerl; my $handler = XML::Handler::Foo->new(); my $parser = XML::SAX::PurePerl->new(Handler => $handler); $parser->parse_uri("myfile.xml"); DESCRIPTION
This module implements an XML parser in pure perl. It is written around the upcoming perl 5.8's unicode support and support for multiple document encodings (using the PerlIO layer), however it has been ported to work with ASCII/UTF8 documents under lower perl versions. The SAX2 API is described in detail at http://sourceforge.net/projects/perl-xml/, in the CVS archive, under libxml-perl/docs. Hopefully those documents will be in a better location soon. Please refer to the SAX2 documentation for how to use this module - it is merely a front end to SAX2, and implements nothing that is not in that spec (or at least tries not to - please email me if you find errors in this implementation). BUGS
XML::SAX::PurePerl is slow. Very slow. I suggest you use something else in fact. However it is great as a fallback parser for XML::SAX, where the user might not be able to install an XS based parser or C library. Currently lots, probably. At the moment the weakest area is parsing DOCTYPE declarations, though the code is in place to start doing this. Also parsing parameter entity references is causing me much confusion, since it's not exactly what I would call trivial, or well documented in the XML grammar. XML documents with internal subsets are likely to fail. I am however trying to work towards full conformance using the Oasis test suite. AUTHOR
Matt Sergeant, matt@sergeant.org. Copyright 2001. Please report all bugs to the Perl-XML mailing list at perl-xml@listserv.activestate.com. LICENSE
This is free software. You may use it or redistribute it under the same terms as Perl 5.7.2 itself. perl v5.18.2 2011-09-04 SAX::PurePerl(3)
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