#
# Copyright (c) 2001 Dirk Koopman G1TLH
#
-# $Id$
+#
#
package Route::User;
use DXDebug;
use Route;
+use DXUtil;
+use DXJSON;
+use Time::HiRes qw(gettimeofday);
use strict;
-use vars qw(%list %valid @ISA);
+use vars qw(%list %valid @ISA $max $filterdef);
@ISA = qw(Route);
-%valid = (
- node => '0,Node Calls,parray',
-);
-
+$filterdef = $Route::filterdef;
%list = ();
+$max = 0;
+
+our $cachefn = localdata('route_user_cache');
+
+sub count
+{
+ my $n = scalar(keys %list);
+ $max = $n if $n > $max;
+ return $n;
+}
+
+sub max
+{
+ count();
+ return $max;
+}
sub new
{
my $pkg = shift;
my $call = uc shift;
+ my $ncall = uc shift;
+ my $flags = shift;
+ my $ip = shift;
+
confess "already have $call in $pkg" if $list{$call};
my $self = $pkg->SUPER::new($call);
- $self->{node} = [ ];
+ $self->{parent} = [ $ncall ];
+ $self->{flags} = $flags || Route::here(1);
+ $self->{ip} = $ip if defined $ip;
$list{$call} = $self;
-
+ dbg("CLUSTER: user $call added") if isdbg('cluster');
+
return $self;
}
+sub get_all
+{
+ return values %list;
+}
+
+sub del
+{
+ my $self = shift;
+ my $pref = shift;
+ my $call = $self->{call};
+ $self->delparent($pref);
+ unless (@{$self->{parent}}) {
+ delete $list{$call};
+ dbg("CLUSTER: user $call deleted") if isdbg('cluster');
+ return $self;
+ }
+ return undef;
+}
+
sub get
{
my $call = shift;
$call = shift if ref $call;
- return $list{uc $call};
+ my $ref = $list{uc $call};
+ dbg("Failed to get User $call" ) if !$ref && isdbg('routerr');
+ return $ref;
}
-sub addnode
+sub addparent
{
my $self = shift;
- $self->_addlist('node', @_);
+ return $self->_addlist('parent', @_);
}
-sub delnode
+sub delparent
{
my $self = shift;
- $self->_dellist('node', @_);
+ return $self->_dellist('parent', @_);
+}
+
+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 dbg("Route::User: ERROR writing $cachefn $!"), return;
+ print $fh $_ for (sort @s);
+ $fh->close;
+ } else {
+ dbg("Route::User::write_cache error '$@'");
+ return;
+ }
+ my $diff = _diffms($ta);
+ 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 : $diff mS");
+}
+
+#
+# generic AUTOLOAD for accessors
+#
+
+sub AUTOLOAD
+{
+ no strict;
+ my ($pkg,$name) = $AUTOLOAD =~ /^(.*)::(\w+)$/;
+ return if $name eq 'DESTROY';
+
+ confess "Non-existant field '$AUTOLOAD'" unless $valid{$name} || $Route::valid{$name};
+
+ # this clever line of code creates a subroutine which takes over from autoload
+ # from OO Perl - Conway
+ *$AUTOLOAD = sub {$_[0]->{$name} = $_[1] if @_ > 1; return $_[0]->{$name}};
+ goto &$AUTOLOAD;
+# *{"${pkg}::$name"} = sub {$_[0]->{$name} = $_[1] if @_ > 1; return $_[0]->{$name}};
+# goto &{"${pkg}::$name"};
}
1;