route cache, wcy, wwv. ann caching

[spider.git] / perl / Route / Node.pm

diff --git a/perl/Route/Node.pm b/perl/Route/Node.pm
index 76d987572e3e789f6beee90ba9a0ed0bfcddbcf3..90f691e44e343e47c27de6d3868649d9d3f8f683 100644 (file)
--- a/perl/Route/Node.pm
+++ b/perl/Route/Node.pm
@@ -12,6 +12,8 @@ use DXDebug;
 use Route;
 use Route::User;
 use DXUtil;
+use DXJSON;
+use Time::HiRes qw(gettimeofday);
 
 use strict;
 
@@ -38,6 +40,7 @@ $filterdef = $Route::filterdef;
 %list = ();
 $max = 0;
 $obscount = 3;
+our $cachefn = localdata('route_node_cache');
 
 sub count
 {
@@ -392,6 +395,31 @@ sub PC92C_dxchan
        return (%{$parent->{PC92C_dxchan}});
 }
 
+sub TO_JSON { return { %{ shift() } }; }
+
+sub write_cache
+{
+       my $json = DXJSON->new;
+       $json->canonical(0)->allow_blessed(1)->convert_blessed(1);
+       
+       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);
+               $fh->close;
+       } else {
+               dbg("Route::User:Write_cache error '$@'");
+               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");
+}
+
+
 sub DESTROY
 {
        my $self = shift;