X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=lib%2FZOOM%2FIRSpy%2FUtils.pm;h=dcf33ae1fe594bbe962698af17784db5962d30e8;hb=83e42c009f2456be9bab5f096cf50e11e7e0cebf;hp=7853d20816115e3201b01e0ad747f6c3968d99a8;hpb=5be3dea6bacf251661cfa9b3317b3b62e01da295;p=irspy-moved-to-github.git

diff --git a/lib/ZOOM/IRSpy/Utils.pm b/lib/ZOOM/IRSpy/Utils.pm
index 7853d20..dcf33ae 100644
--- a/lib/ZOOM/IRSpy/Utils.pm
+++ b/lib/ZOOM/IRSpy/Utils.pm
@@ -18,7 +18,9 @@ our @EXPORT_OK = qw(utf8param
 		    irspy_identifier2target
 		    modify_xml_document
 		    bib1_access_point
-		    render_record);
+		    render_record
+		    calc_reliability_string
+		    calc_reliability_stats);
 
 use XML::LibXML;
 use XML::LibXML::XPathContext;
@@ -273,6 +275,11 @@ sub _irspy_identifier2target {
 }
 
 
+# Modifies the XML document for which $xc is an XPath context by
+# inserting or replacing the values specified in the hash %$data.  The
+# keys are fieldnames, which are looked up in the register
+# $fieldsByKey to determine, among other things, what their XPath is.
+
 sub modify_xml_document {
     my($xc, $fieldsByKey, $data) = @_;
 
@@ -770,4 +777,26 @@ sub render_record {
 }
 
 
+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 @allpings = $xc->findnodes("i:status/i:probe");
+    my $nall = @allpings;
+    return (0, 0, 0) if $nall == 0;
+    my @okpings = $xc->findnodes('i:status/i:probe[@ok = "1"]');
+    my $nok = @okpings;
+    my $percent = int(100*$nok/$nall);
+    return ($nok, $nall, $percent);
+}
+
+
 1;