use DXDebug;
use Route;
+use Route::User;
use strict;
-use vars qw(%list %valid @ISA $me);
+use vars qw($VERSION $BRANCH);
+$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
+$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
+$main::build += $VERSION;
+$main::branch += $BRANCH;
+
+use vars qw(%list %valid @ISA $max $filterdef);
@ISA = qw(Route);
%valid = (
- dxchancall => '0,DXChannel Calls,parray',
- parent => '0,Parent Calls,parray',
+ dxchan => '0,DXChannel List,parray',
+ nodes => '0,Nodes,parray',
+ users => '0,Users,parray',
+ usercount => '0,User Count',
version => '0,Version',
+ newroute => '0,New Routing?,yesno',
);
+$filterdef = $Route::filterdef;
%list = ();
+$max = 0;
+
+sub count
+{
+ my $n = scalar (keys %list);
+ $max = $n if $n > $max;
+ return $n;
+}
+
+sub max
+{
+ count();
+ return $max;
+}
+
+# link a node to this node and mark the route as available thru
+# this dxchan, any users must be linked separately
+#
+# call as $node->link_node($neighbour, $dxchan);
+#
+
+sub link_node
+{
+ my ($self, $neighbour, $dxchan) = @_;
+
+ my $r = $neighbour->is_empty('dxchan');
+ $self->_addlist('nodes', $neighbour);
+ $neighbour->_addlist('nodes', $self);
+ $neighbour->_addlist('dxchan', $dxchan);
+ return $r ? ($neighbour) : ();
+}
+
+# unlink a node from a neighbour and remove any
+# routes, if this node becomes orphaned (no routes
+# and no nodes) then return it
+#
+
+sub unlink_node
+{
+ my ($self, $neighbour, $dxchan) = @_;
+ $self->_dellist('nodes', $neighbour);
+ $neighbour->_dellist('nodes', $self);
+ $neighbour->_dellist('dxchan', $dxchan) if $dxchan;
+ return $neighbour->is_empty('dxchan') ? ($neighbour) : ();
+}
+
+sub remove_route
+{
+ my ($self, $neighbour, $dxchan) = @_;
+
+ # cut the dxchan link
+ # cut the node link
+ my @rout;
+ push @rout, $self->unlink_node($neighbour, $dxchan);
+ dbg("Orphanning $neighbour->{call}") if isdbg('routelow');
+
+ # then run down the tree removing this dxchan link from
+ # all the referenced nodes that use this interface
+ my %visited;
+ my @in = map { Route::Node::get($_) } $neighbour->nodes;
+ foreach my $r (@in) {
+ next unless $r;
+ next if $visited{$r->call};
+ my ($o) = $r->del_dxchan($self);
+ if ($o) {
+ dbg("Orphanning $_->{call}") if isdbg('routelow');
+ push @rout, $o;
+ }
+ push @in, map{ Route::Node::get($_) } $r->nodes;
+ $visited{$r->call} = $r;
+ }
+
+ # in @rout there should be a list of orphaned (in dxchan terms)
+ # nodes. Now go thru and make sure that all their links are
+ # broken (they should be, but this is to check).
+
+ foreach my $r (@rout) {
+ my @nodes = map { Route::Node::get($_)} $r->nodes;
+ for (@nodes) {
+ next unless $_;
+ dbg("Orphaned node $_->{call}: breaking link to $_->{call}") if isdbg('routelow');
+ $r->unlink_node($_);
+ }
+ }
+ return @rout;
+}
+
+# add a user to this node
+# returns Route::User if it is a new user;
+sub add_user
+{
+ my ($self, $uref) = @_;
+ my $r = $uref->is_empty('nodes');
+ $self->_addlist('users', $uref);
+ $uref->_addlist('nodes', $self);
+ $self->{usercount} = scalar @{$self->{users}};
+ return $r ? ($uref) : ();
+}
+
+# delete a user from this node
+sub del_user
+{
+ my ($self, $uref) = @_;
+
+ $self->_dellist('users', $uref);
+ $uref->_dellist('nodes', $self);
+ $self->{usercount} = scalar @{$self->{users}};
+ return $uref->is_empty('nodes') ? ($uref) : ();
+}
-sub init
+# add a single dxchan link
+sub add_dxchan
{
- $me = Route::Node->new(@_);
+ my ($self, $dxchan) = @_;
+ return $self->_addlist('dxchan', $dxchan);
+}
+
+# remove a single dxchan link
+sub del_dxchan
+{
+ my ($self, $dxchan) = @_;
+ return $self->_dellist('dxchan', $dxchan);
+}
+
+sub usercount
+{
+ my $self = shift;
+ if (@_ && @{$self->{users}} == 0) {
+ $self->{usercount} = shift;
+ }
+ return $self->{usercount};
+}
+
+sub users
+{
+ my $self = shift;
+ return @{$self->{users}};
+}
+
+sub nodes
+{
+ my $self = shift;
+ return @{$self->{nodes}};
+}
+
+sub unlink_all_users
+{
+ my $self = shift;
+ my @rout;
+ foreach my $u (${$self->{users}}) {
+ my $uref = Route::User::get($u);
+ push @rout, $self->del_user($uref) if $uref;
+ }
+ return @rout;
}
sub new
{
my $pkg = shift;
my $call = uc shift;
+
confess "already have $call in $pkg" if $list{$call};
my $self = $pkg->SUPER::new($call);
- $self->{dxchancall} = [ ];
- $self->{parent} = [ ];
- $self->{version} = shift;
+ $self->{dxchan} = ref $pkg ? [ $pkg->{call} ] : [ ];
+ $self->{version} = shift || 5000;
+ $self->{flags} = shift || Route::here(1);
+ $self->{users} = [];
+ $self->{nodes} = [];
$list{$call} = $self;
+ dbg("creating Route::Node $self->{call}") if isdbg('routelow');
return $self;
}
+sub delete
+{
+ my $self = shift;
+ dbg("deleting Route::Node $self->{call}") if isdbg('routelow');
+ delete $list{$self->{call}};
+}
+
sub get
{
my $call = shift;
$call = shift if ref $call;
- return $list{uc $call};
+ my $ref = $list{uc $call};
+ dbg("Failed to get Node $call" ) if !$ref && isdbg('routerr');
+ return $ref;
}
-sub adddxchan
+sub get_all
{
- my $self = shift;
- $self->_addlist('dxchancall', @_);
+ return values %list;
}
-sub deldxchan
+sub DESTROY
{
my $self = shift;
- $self->_dellist('dxchancall', @_);
+ my $pkg = ref $self;
+ my $call = $self->{call} || "Unknown";
+
+ dbg("destroying $pkg with $call") if isdbg('routelow');
+ $self->unlink_all_users if @{$self->{users}};
}
-sub addparent
-{
- my $self = shift;
- $self->_addlist('parent', @_);
-}
+#
+# generic AUTOLOAD for accessors
+#
-sub delparent
+sub AUTOLOAD
{
- my $self = shift;
- $self->_dellist('parent', @_);
+ no strict;
+ my $name = $AUTOLOAD;
+ return if $name =~ /::DESTROY$/;
+ $name =~ s/^.*:://o;
+
+ confess "Non-existant field '$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;
}
1;
projects / spider.git / blobdiff