# See ../README for a description of this program.
# perl -I../../blib/lib -I../../blib/arch zoomtst3.pl <t1> [...] <tN> <query>
# for example:
# perl -I../../blib/lib -I../../blib/arch zoomtst3.pl z3950.loc.gov:7090/Voyager z3950.indexdata.com:210/gils endeavor.flo.org:7090/Voyager mineral
use strict;
use warnings;
use Net::Z3950::ZOOM;
if (@ARGV < 2) {
print STDERR "Usage: $0 target1 target2 ... targetN query\n";
print STDERR " eg. $0 z3950.indexdata.dk/gils localhost:9999 fish\n";
exit 1;
}
my $n = @ARGV-1;
my(@z, @r); # connections, result sets
my $o = Net::Z3950::ZOOM::options_create();
Net::Z3950::ZOOM::options_set($o, async => 1);
# Get first 10 records of result set (using piggyback)
Net::Z3950::ZOOM::options_set($o, count => 10);
# Preferred record syntax
Net::Z3950::ZOOM::options_set($o, preferredRecordSyntax => "usmarc");
Net::Z3950::ZOOM::options_set($o, elementSetName => "B");
# Connect to all targets: options are the same for all of them
for (my $i = 0; $i < $n; $i++) {
$z[$i] = Net::Z3950::ZOOM::connection_create($o);
Net::Z3950::ZOOM::connection_connect($z[$i], $ARGV[$i], 0);
}
# Search all
for (my $i = 0; $i < $n; $i++) {
$r[$i] = Net::Z3950::ZOOM::connection_search_pqf($z[$i], $ARGV[-1]);
}
# Network I/O. Pass number of connections and array of connections
while ((my $i = Net::Z3950::ZOOM::event(\@z)) != 0) {
my $ev = Net::Z3950::ZOOM::connection_last_event($z[$i-1]);
print("connection ", $i-1, ": event $ev (",
Net::Z3950::ZOOM::event_str($ev), ")\n");
# It would be nice to display results as they come in, but the
# ability to do so is dependent on the END event, which was
# introduced only in YAZ 2.1.17. If you have a sufficiently new
# YAZ, please use the alternative "async.pl", which is similar to
# this program except in its asynchronous display.
}
# No more to be done. Inspect results
for (my $i = 0; $i < $n; $i++) {
my($error, $errmsg, $addinfo) = (undef, "dummy", "dummy");
my $tname = $ARGV[$i];
# Display errors if any
$error = Net::Z3950::ZOOM::connection_error($z[$i], $errmsg, $addinfo);
if ($error) {
print STDERR "$tname error: $errmsg ($error) $addinfo\n";
next;
}
# OK, no major errors. Look at the result count
my $size = Net::Z3950::ZOOM::resultset_size($r[$i]);
print "$tname: $size hits\n";
# Go through all records at target
$size = 10 if $size > 10;
for (my $pos = 0; $pos < $size; $pos++) {
print "$tname: fetching ", $pos+1, " of $size\n";
my $tmp = Net::Z3950::ZOOM::resultset_record($r[$i], $pos);
if (!defined $tmp) {
print "$tname: can't get record ", $pos+1, "\n";
next;
}
my $rec = Net::Z3950::ZOOM::record_get($tmp, "render");
if (!defined $rec) {
print "$tname: can't render record ", $pos+1, "\n";
next;
}
print $pos+1, "\n", $rec, "\n";
}
}
# Housekeeping
for (my $i = 0; $i < $n; $i++) {
Net::Z3950::ZOOM::resultset_destroy($r[$i]);
Net::Z3950::ZOOM::connection_destroy($z[$i]);
}
Net::Z3950::ZOOM::options_destroy($o);