-# $Id: ZOOM.pm,v 1.2 2005-10-11 11:37:07 mike Exp $
+# $Id: ZOOM.pm,v 1.10 2006-01-31 16:13:05 mike Exp $
package Net::Z3950::ZOOM;
use 5.008;
use strict;
use warnings;
-use AutoLoader qw(AUTOLOAD);
-our @ISA = qw();
-
-our $VERSION = '0.01';
+our $VERSION = '1.02';
require XSLoader;
XSLoader::load('Net::Z3950::ZOOM', $VERSION);
-# Preloaded methods go here.
-
-# Autoload methods go after =cut, and are processed by the autosplit program.
+my($vs, $ss) = ("x" x 100, "x" x 100); # allocate space for these strings
+my $version = Net::Z3950::ZOOM::yaz_version($vs, $ss);
+if ($version < 0x02010B && ! -f "/tmp/ignore-ZOOM-YAZ-version-mismatch") {
+ warn <<__EOT__;
+*** WARNING!
+ZOOM-Perl requires at least version 2.0.11 of YAZ, but is currently
+running against only version $vs (sys-string '$ss').
+Some things may not work.
+__EOT__
+}
+
+# The only thing this module does is define the following constants,
+# which MUST BE KEPT SYNCHRONISED with the definitions in <yaz/zoom.h>
+
+# Error codes, as returned from connection_error()
+sub ERROR_NONE { 0 }
+sub ERROR_CONNECT { 10000 }
+sub ERROR_MEMORY { 10001 }
+sub ERROR_ENCODE { 10002 }
+sub ERROR_DECODE { 10003 }
+sub ERROR_CONNECTION_LOST { 10004 }
+sub ERROR_INIT { 10005 }
+sub ERROR_INTERNAL { 10006 }
+sub ERROR_TIMEOUT { 10007 }
+sub ERROR_UNSUPPORTED_PROTOCOL { 10008 }
+sub ERROR_UNSUPPORTED_QUERY { 10009 }
+sub ERROR_INVALID_QUERY { 10010 }
+sub ERROR_CQL_PARSE { 10011 }
+sub ERROR_CQL_TRANSFORM { 10012 }
+
+# Event types, as returned from connection_last_event()
+sub EVENT_NONE { 0 }
+sub EVENT_CONNECT { 1 }
+sub EVENT_SEND_DATA { 2 }
+sub EVENT_RECV_DATA { 3 }
+sub EVENT_TIMEOUT { 4 }
+sub EVENT_UNKNOWN { 5 }
+sub EVENT_SEND_APDU { 6 }
+sub EVENT_RECV_APDU { 7 }
+sub EVENT_RECV_RECORD { 8 }
+sub EVENT_RECV_SEARCH { 9 }
-1;
-__END__
-# Below is stub documentation for your module. You'd better edit it!
=head1 NAME
-Net::Z3950::ZOOM - Perl extension for blah blah blah
+Net::Z3950::ZOOM - Perl extension for invoking the ZOOM-C API.
=head1 SYNOPSIS
- use Net::Z3950::ZOOM;
- blah blah blah
+ use Net::Z3950::ZOOM;
+ $conn = Net::Z3950::ZOOM::connection_new($host, $port);
+ $errcode = Net::Z3950::ZOOM::connection_error($conn, $errmsg, $addinfo);
+ Net::Z3950::ZOOM::connection_option_set($conn, databaseName => "foo");
+ # etc.
=head1 DESCRIPTION
-Stub documentation for Net::Z3950::ZOOM, created by h2xs. It looks like the
-author of the extension was negligent enough to leave the stub
-unedited.
-
-Blah blah blah.
+This module provides a simple thin-layer through to the ZOOM-C
+functions in the YAZ toolkit for Z39.50 and SRW/U communication. You
+should not be using this very nasty, low-level API. You should be
+using the C<ZOOM> module instead, which implements a nice, Perlish API
+on top of this module, conformant to the ZOOM Abstract API described at
+http://zoom.z3950.org/api/
+To enforce the don't-use-this-module prohibition, I am not even going
+to document it. If you really, really, really want to use it, then it
+pretty much follows the API described in the ZOOM-C documentation at
+http://www.indexdata.dk/yaz/doc/zoom.tkl
=head1 SEE ALSO
-Mention other useful documentation such as the documentation of
-related modules or operating system documentation (such as man pages
-in UNIX), or any relevant external documentation such as RFCs or
-standards.
-
-If you have a mailing list set up for your module, mention it here.
-
-If you have a web site set up for your module, mention it here.
+The C<ZOOM> module, included in the same distribution as this one.
=head1 AUTHOR
-Mike Taylor, E<lt>mike@E<gt>
+Mike Taylor, E<lt>mike@indexdata.comE<gt>
-=head1 COPYRIGHT AND LICENSE
+=head1 COPYRIGHT AND LICENCE
-Copyright (C) 2005 by Mike Taylor
+Copyright (C) 2005 by Index Data.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself, either Perl version 5.8.4 or,
at your option, any later version of Perl 5 you may have available.
-
=cut
+
+1;