From: Ian Jackson <ian.jackson@eu.citrix.com>
Date: Tue, 4 Aug 2020 17:17:08 +0000 (+0100)
Subject: history reporting (nfc): Provide cacheable_fn
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=68d3a2661be6313353505bd6fc81697224bf6ae2;p=osstest.git

history reporting (nfc): Provide cacheable_fn

Prep work.

Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
---

diff --git a/sg-report-host-history b/sg-report-host-history
index f37dd4a..90369ce 100755
--- a/sg-report-host-history
+++ b/sg-report-host-history
@@ -181,20 +181,27 @@ END
 our $jqcachemisses = 0;
 our $jqtotal = 0;
 
-sub cacheable_query ($$$) {
-    my ($q, $jr, $cachekey) = @_;
+sub cacheable_fn ($$$) {
+    my ($jr, $cachekey, $fn) = @_;
     $jqtotal++;
     $cachekey = '%'.$cachekey;
     my $cached = $jr->{$cachekey};
     if (!$cached) {
 	$jqcachemisses++;
-	$q->execute($jr->{flight}, $jr->{job});
-	$cached = $q->fetchrow_hashref();
+	$cached = $fn->();
 	$jr->{$cachekey} = $cached;
     }
     return $cached;
 }
 
+sub cacheable_query ($$$) {
+    my ($q, $jr, $cachekey) = @_;
+    cacheable_fn($jr, $cachekey, sub {
+	$q->execute($jr->{flight}, $jr->{job});
+	return $q->fetchrow_hashref();
+    });
+}
+
 our %hosts;
 
 sub mainquery ($) {