+sub render_record {
+ my($rs, $which, $elementSetName) = @_;
+
+ # There is a slight race condition here on the element-set name,
+ # but it shouldn't be a problem as this is (currently) only called
+ # from parts of the program that run single-threaded.
+ my $old = $rs->option(elementSetName => $elementSetName);
+ my $rec = $rs->record($which);
+ $rs->option(elementSetName => $old);
+
+ return $rec->render();
+}
+
+
+sub calc_reliability_string {
+ my($xc) = @_;
+
+ my($nok, $nall, $percent) = calc_reliability_stats($xc);
+ return "[untested]" if $nall == 0;
+ return "$nok/$nall = " . $percent . "%";
+}
+
+
+sub calc_reliability_stats {
+ my($xc) = @_;
+
+ my $sixtyDaysAgo = time() - 60*24*60*60;
+ my $iso60DA = isodate($sixtyDaysAgo);
+ my @allpings = $xc->findnodes("i:status/i:probe");
+
+ my($nall, $nok) = (0, 0);
+ foreach my $node (@allpings) {
+ my $ok = $xc->findvalue('@ok', $node);
+ my $when = $node->to_literal();
+ #warn "$when cmp $iso60DA == ", ($when cmp $iso60DA), "\n";
+ next if $when lt $iso60DA;
+ $nall++;
+ $nok += !!$ok;
+ }
+
+ return (0, 0, 0) if $nall == 0;
+ my $percent = int(100*$nok/$nall + 0.5);
+ return ($nok, $nall, $percent);
+}
+
+#
+# validate_record( record, ( "port" => 1, "database" => 1, "country" => 0, ... ))
+#
+sub validate_record {
+ my $rec = shift;
+ my %args = @_;
+
+ my %required = map { $_ => 1 } qw/port host database protocol/;
+ my %optional = map { $_ => 1 } qw/country type hosturl contact language/;
+ my %tests = ( %required, %args );
+
+ my $xc = irspy_xpath_context($rec);
+
+ my $protocol = $xc->findnodes("e:serverInfo/\@protocol") || "";
+ my $port = $xc->findnodes("e:serverInfo/e:port") || "";
+ my $host = $xc->findnodes("e:serverInfo/e:host") || "";
+ my $dbname = $xc->findnodes("e:serverInfo/e:database") || "";
+
+ my $id = irspy_make_identifier($protocol, $host, $port, $dbname);
+
+ if ($protocol =~ /\s+$/ || $dbname =~ /\s+$/) {
+ warn "xxx: $protocol:$host:$port:$dbname: whitespaces\n";
+ }
+
+ my @errors = $id;
+
+ if ($tests{'protocol'}) {
+ push(@errors, 'protocol number is not valid') if $protocol !~ /^(z39\.50|sru|srw|tcp)$/i;
+ }
+
+ if ($tests{'port'}) {
+ push(@errors, 'port number is not valid') if $port !~ /^\d+$/;
+ }
+
+ if ($tests{'host'}) {
+ push(@errors, 'host name is not valid') if $host !~ /^[0-9a-z]+[0-9a-z\.\-]*\.[0-9a-z]+$/i;
+ }
+
+ if ($tests{'database'}) {
+ push(@errors, 'database name is not valid') if $dbname =~ m,/,i;
+ push(@errors, 'database has trailing spaces') if $dbname =~ /^\s+|\s+$/;
+ }
+
+ if ($tests{'hosturl'}) {
+ my $hosturl = $xc->findnodes("i:status/i:hostURL") || "";
+ push(@errors, 'This hosturl name is not valid') if $hosturl !~ /^\w+$/i;
+ }
+
+ return ( !$#errors, \@errors );
+}
+