From: mike <mike>
Date: Fri, 7 Apr 2006 12:29:12 +0000 (+0000)
Subject: New
X-Git-Tag: cpan_1_22~206
X-Git-Url: http://lists.indexdata.dk/cgi-bin?a=commitdiff_plain;h=eceb5689d643589b7c833c5cf018cebec556e810;hp=32187e3628d827500ba3e433d78282b366f7566f;p=ZOOM-Perl-moved-to-github.git

New
---

diff --git a/samples/net-z3950-zoom/async.pl b/samples/net-z3950-zoom/async.pl
new file mode 100644
index 0000000..b9b8516
--- /dev/null
+++ b/samples/net-z3950-zoom/async.pl
@@ -0,0 +1,97 @@
+# $Id: async.pl,v 1.1 2006-04-07 12:29:12 mike Exp $
+#
+# See ../README for a description of this program.
+# perl -I../../blib/lib -I../../blib/arch zoomtst3.pl <t1> [...] <tN> <query>
+
+use strict;
+use warnings;
+use Net::Z3950::ZOOM;
+
+if (@ARGV < 2) {
+    print STDERR "Usage: $0 target1 target2 ... targetN query\n";
+    print STDERR "	eg. $0 bagel.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
+my $nremaining = $n;
+AGAIN:
+my $i;
+while (($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");
+    last if $ev == Net::Z3950::ZOOM::EVENT_END;
+}
+
+if ($i != 0) {
+    # Not the end of the whole loop; one server is ready to display
+    $i--;
+    my($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";
+	goto MAYBE_AGAIN;
+    }
+
+    # 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++) {
+	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 (!defined $rec) {
+	    print "$tname: can't render record ", $pos+1, "\n";
+	    next;
+	}
+	print $pos+1, "\n", $rec, "\n";
+    }
+}
+
+MAYBE_AGAIN:
+if (--$nremaining > 0) {
+    goto AGAIN;
+}
+
+# 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);