X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=samples%2Fnet-z3950-zoom%2Fzoomtst3.pl;h=472b846821016525f357f9b367e2b653ad8b5bf4;hb=04bf7138880c40c8e8be0bfbcbdbf9df6a88f7d8;hp=c8675459e79c621e24b55fffdef0f7e28cb30130;hpb=611fbde794d79346b1fded79a1b385395dd9ee55;p=ZOOM-Perl-moved-to-github.git

diff --git a/samples/net-z3950-zoom/zoomtst3.pl b/samples/net-z3950-zoom/zoomtst3.pl
index c867545..472b846 100644
--- a/samples/net-z3950-zoom/zoomtst3.pl
+++ b/samples/net-z3950-zoom/zoomtst3.pl
@@ -1,7 +1,9 @@
-# $Id: zoomtst3.pl,v 1.1 2006-04-06 13:47:55 mike Exp $
+# $Id: zoomtst3.pl,v 1.7 2006-04-07 12:39:06 mike Exp $
 #
 # 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 bagel.indexdata.com:210/gils endeavor.flo.org:7090/Voyager mineral
 
 use strict;
 use warnings;
@@ -23,7 +25,7 @@ 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 => "F");
+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++) {
@@ -37,9 +39,15 @@ for (my $i = 0; $i < $n; $i++) {
 }
 
 # Network I/O.  Pass number of connections and array of connections
-while ((my $i = Net::Z3950::ZOOM::event([ @z ])) != 0) {
-    print("n = ", $i-1, " event = ",
-	  Net::Z3950::ZOOM::connection_last_event($z[$i-1]), "\n");
+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
@@ -61,14 +69,19 @@ for (my $i = 0; $i < $n; $i++) {
     # Go through all records at target
     $size = 10 if $size > 10;
     for (my $pos = 0; $pos < $size; $pos++) {
-	my $len; # length of buffer rec
-	print "$tname: fetching $pos of $size\n";
+	my $len = 0; # length of buffer rec
+	print "$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", $len);
-	# if rec is non-null, we got a record for display
-	if (defined $rec) {
-	    print $pos+1, "\n", $rec, "\n";
+	if (!defined $rec) {
+	    print "$tname: can't render record ", $pos+1, "\n";
+	    next;
 	}
+	print $pos+1, "\n", $rec, "\n";
     }
 }