-my $pod = new ZOOM::Pod("bagel.indexdata.com/gils",
- "z3950.loc.gov:7090/Voyager");
-$pod->callback(ZOOM::Event::RECV_SEARCH, \&show_result);
-$pod->search_pqf("mineral");
-my $err = $pod->wait();
-print "failed with error $err" if $err;
+if (@ARGV == 0) {
+ printf STDERR "Usage: $0 <target1> [<target2> ...]\n";
+ exit 1;
+}
+
+ZOOM::Log::mask_str("appl");
+my $pod = new ZOOM::Pod(@ARGV);
+$pod->option(elementSetName => "b");
+$pod->callback(ZOOM::Event::RECV_SEARCH, \&completed_search);
+$pod->callback(ZOOM::Event::RECV_RECORD, \&got_record);
+#$pod->callback(exception => \&exception_thrown);
+$pod->search_pqf("the");
+my $err = $pod->wait({});
+die "$pod->wait() failed with error $err" if $err;
+
+sub completed_search {
+ my($conn, $arg, $rs, $event) = @_;
+
+ my $host = $conn->option("host");
+ print "$host : found ", $rs->size(), " records\n";
+ my %state = (next_to_show => 0, next_to_fetch => 0);
+ request_records($conn, $rs, \%state, 2);
+ $arg->{$host} = \%state;
+ return 0;
+}
+
+sub got_record {
+ my($conn, $arg, $rs, $event) = @_;
+
+ my $host = $conn->option("host");
+ my %state = $arg->{$host};
+
+ {
+ # Sanity-checking assertions. These should be impossible
+ my $ns = $arg->{$host}->{next_to_show};
+ my $nf = $arg->{$host}->{next_to_fetch};
+ if ($ns > $nf) {
+ die "next_to_show > next_to_fetch ($ns > $nf)";
+ } elsif ($ns == $nf) {
+ die "next_to_show == next_to_fetch ($ns)";
+ }
+ }
+
+ my $i = $arg->{$host}->{next_to_show}++;
+ my $rec = $rs->record($i);
+ print "$host: record $i is ", render_record($rec), "\n";
+ request_records($conn, $rs, $arg->{$host}, 3)
+ if $i == $arg->{$host}->{next_to_fetch}-1;