fiz strange carp errors on startup with no route_*_cache files
[spider.git] / perl / Route / User.pm
index 51d14f21382951ed14b422dc43c2521678f6f16c..2c988f1dcb950b9d4c2880c139cb08b21019a3a3 100644 (file)
@@ -103,23 +103,46 @@ sub TO_JSON { return { %{ shift() } }; }
 sub write_cache
 {
        my $json = DXJSON->new;
-       $json->canonical(0)->allow_blessed(1)->convert_blessed(1);
+       $json->canonical(isdbg('routecache'));
        
        my $ta = [ gettimeofday ];
-       $json->indent(1)->canonical(1) if isdbg('routecache');
-       my $s = eval {$json->encode(\%list)};
-       if ($s) {
-               my $fh = IO::File->new(">$cachefn") or confess("writing $cachefn $!");
-               $fh->print($s);
+       my @s;
+       eval {
+               while (my ($k, $v) = each  %list) {
+                   push @s, "$k:" . $json->encode($v) . "\n";
+           }
+       };
+       if (!$@ && @s) {
+               my $fh = IO::File->new(">$cachefn") or dbg("Route::User: ERROR writing $cachefn $!"), return;
+               print $fh $_ for (sort @s);
                $fh->close;
        } else {
-               dbg("Route::User:Write_cache error '$@'");
+               dbg("Route::User::write_cache error '$@'");
                return;
        }
-       $json->indent(0)->canonical(0);
        my $diff = _diffms($ta);
-       my $size = sprintf('%.3fKB', (length($s) / 1000));
-       dbg("Route::User:WRITE_CACHE size: $size time to write: $diff mS");
+       dbg("Route::User::write_cache time to write: $diff mS");
+}
+
+sub read_cache
+{
+       my $json = DXJSON->new;
+       $json->canonical(isdbg('routecache'));
+       
+       my $ta = [ gettimeofday ];
+       my $count;
+       
+       my $fh = IO::File->new("$cachefn") or dbg("Route::User: ERROR reading $cachefn $!"), return;
+       while (my $l = <$fh>) {
+               chomp $l;
+               my ($k, $v) = split /:/, $l, 2;
+               $list{$k} = bless $json->decode($v) or dbg("Route::User: Error json error $! decoding '$v'"), next;
+               ++$count;
+       }
+       $fh->close if $fh;
+
+       my $diff = _diffms($ta);
+       dbg("Route::User::read_cache time to read $count records from $cachefn : $diff mS");
 }
 
 #