-# $Id: ZOOM.pm,v 1.6 2005-12-21 16:56:59 mike Exp $
+# $Id: ZOOM.pm,v 1.19 2006-04-19 20:11:45 mike Exp $
package Net::Z3950::ZOOM;
use strict;
use warnings;
-our $VERSION = '1.01';
+our $VERSION = '1.06';
require XSLoader;
XSLoader::load('Net::Z3950::ZOOM', $VERSION);
+my($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>
sub EVENT_RECV_APDU { 7 }
sub EVENT_RECV_RECORD { 8 }
sub EVENT_RECV_SEARCH { 9 }
+sub EVENT_END { 10 } # In YAZ 2.1.17 and later
=head1 NAME
pretty much follows the API described in the ZOOM-C documentation at
http://www.indexdata.dk/yaz/doc/zoom.tkl
+The only additional (non-ZOOM-C) function provided by this module is
+C<event_str()>, which takes as its argument an event code such as
+C<Net::Z3950::ZOOM::EVENT_SEND_APDU>, and returns a corresponding
+short string.
+
+=cut
+
+sub event_str {
+ my($code) = @_;
+
+ if ($code == EVENT_NONE) {
+ return "none";
+ } elsif ($code == EVENT_CONNECT) {
+ return "connect";
+ } elsif ($code == EVENT_SEND_DATA) {
+ return "send data";
+ } elsif ($code == EVENT_RECV_DATA) {
+ return "receive data";
+ } elsif ($code == EVENT_TIMEOUT) {
+ return "timeout";
+ } elsif ($code == EVENT_UNKNOWN) {
+ return "unknown";
+ } elsif ($code == EVENT_SEND_APDU) {
+ return "send apdu";
+ } elsif ($code == EVENT_RECV_APDU) {
+ return "receive apdu";
+ } elsif ($code == EVENT_RECV_RECORD) {
+ return "receive record";
+ } elsif ($code == EVENT_RECV_SEARCH) {
+ return "receive search";
+ } elsif ($code == EVENT_END) {
+ return "end";
+ }
+ return "impossible event " . $code;
+}
+
=head1 SEE ALSO
The C<ZOOM> module, included in the same distribution as this one.