+sub measure_pc9x_t
+{
+ my $parent = shift;
+ my $t = shift;
+ my $lastid = $parent->{lastid};
+ if ($lastid) {
+ return ($t < $lastid) ? $t+86400-$lastid : $t - $lastid;
+ } else {
+ return 86400;
+ }
+}
+
+sub PC92C_dxchan
+{
+ my $parent = shift;
+ my $call = shift;
+ my $hops = shift;
+ if ($call && $hops) {
+ $hops =~ s/^H//;
+ $parent->{PC92C_dxchan}->{$call} = $hops;
+ return;
+ }
+ return (%{$parent->{PC92C_dxchan}});
+}
+
+sub TO_JSON { return { %{ shift() } }; }
+
+sub write_cache
+{
+ my $json = DXJSON->new;
+ $json->canonical(isdbg('routecache'));
+
+ my $ta = [ gettimeofday ];
+ my @s;
+ eval {
+ while (my ($k, $v) = each %list) {
+ push @s, "$k:" . $json->encode($v) . "\n";
+ }
+ };
+ if (!$@ && @s) {
+ my $fh = IO::File->new(">$cachefn") or confess("writing $cachefn $!");
+ if (isdbg("routecache")) {
+ $fh->print(sort @s);
+ }
+ else {
+ $fh->print(@s);
+ }
+ $fh->close;
+ } else {
+ dbg("Route::Node:Write_cache error '$@'");
+ return;
+ }
+ $json->indent(0)->canonical(0);
+ my $diff = _diffms($ta);
+ dbg("Route::Node:WRITE_CACHE time to write: $diff mS");
+}
+
+