use DXDebug;
use Route;
+use Route::User;
use strict;
-use vars qw(%list %valid @ISA $me);
+use vars qw(%list %valid @ISA $max $filterdef);
@ISA = qw(Route);
%valid = (
- dxchancall => '0,DXChannel Calls,parray',
parent => '0,Parent Calls,parray',
+ nodes => '0,Nodes,parray',
+ users => '0,Users,parray',
+ usercount => '0,User Count',
version => '0,Version',
+ handle_xml => '0,Using XML,yesno',
+ lastmsg => '0,Last Route Msg,atime',
+ lastid => '0,Last Route MsgID',
);
+$filterdef = $Route::filterdef;
%list = ();
+$max = 0;
-sub init
+sub count
{
- $me = Route::Node->new(@_);
+ my $n = scalar (keys %list);
+ $max = $n if $n > $max;
+ return $n;
}
+sub max
+{
+ count();
+ return $max;
+}
+
+#
+# this routine handles the possible adding of an entry in the routing
+# table. It will only add an entry if it is new. It may have all sorts of
+# other side effects which may include fixing up other links.
+#
+# It will return a node object if (and only if) it is a completely new
+# object with that callsign. The upper layers are expected to do something
+# sensible with this!
+#
+# called as $parent->add(call, dxchan, version, flags)
+#
+
+sub add
+{
+ my $parent = shift;
+ my $call = uc shift;
+ confess "Route::add trying to add $call to myself" if $call eq $parent->{call};
+ my $self = get($call);
+ if ($self) {
+ $self->_addparent($parent);
+ $parent->_addnode($self);
+ return undef;
+ }
+ $self = $parent->new($call, @_);
+ $parent->_addnode($self);
+ return $self;
+}
+
+#
+# this routine is the opposite of 'add' above.
+#
+# It will return an object if (and only if) this 'del' will remove
+# this object completely
+#
+
+sub del
+{
+ my $self = shift;
+ my $pref = shift;
+
+ # delete parent from this call's parent list
+ $pref->_delnode($self);
+ $self->_delparent($pref);
+ my @nodes;
+ my $ncall = $self->{call};
+
+ # is this the last connection, I have no parents anymore?
+ unless (@{$self->{parent}}) {
+ foreach my $rcall (@{$self->{nodes}}) {
+ next if grep $rcall eq $_, @_;
+ my $r = Route::Node::get($rcall);
+ push @nodes, $r->del($self, $ncall, @_) if $r;
+ }
+ $self->_del_users;
+ delete $list{$self->{call}};
+ push @nodes, $self;
+ }
+ return @nodes;
+}
+
+# this deletes this node completely by grabbing the parents
+# and deleting me from them
+sub delete
+{
+ my $self = shift;
+ my @out;
+
+ $self->_del_users;
+ foreach my $call (@{$self->{parent}}) {
+ my $parent = Route::Node::get($call);
+ push @out, $parent->del($self) if $parent;
+ }
+ return @out;
+}
+
+sub del_nodes
+{
+ my $parent = shift;
+ my @out;
+ foreach my $rcall (@{$parent->{nodes}}) {
+ my $r = get($rcall);
+ push @out, $r->del($parent, $parent->{call}, @_) if $r;
+ }
+ return @out;
+}
+
+sub _del_users
+{
+ my $self = shift;
+ for (@{$self->{users}}) {
+ my $ref = Route::User::get($_);
+ $ref->del($self) if $ref;
+ }
+ $self->{users} = [];
+}
+
+# add a user to this node
+sub add_user
+{
+ my $self = shift;
+ my $ucall = shift;
+
+ confess "Trying to add NULL User call to routing tables" unless $ucall;
+
+ my $uref = Route::User::get($ucall);
+ my @out;
+ if ($uref) {
+ @out = $uref->addparent($self);
+ } else {
+ $uref = Route::User->new($ucall, $self->{call}, @_);
+ @out = $uref;
+ }
+ $self->_adduser($uref);
+ $self->{usercount} = scalar @{$self->{users}};
+
+ return @out;
+}
+
+# delete a user from this node
+sub del_user
+{
+ my $self = shift;
+ my $ref = shift;
+ my @out;
+
+ if ($ref) {
+ @out = $self->_deluser($ref);
+ $ref->del($self);
+ } else {
+ confess "tried to delete non-existant $ref->{call} from $self->{call}";
+ }
+ $self->{usercount} = scalar @{$self->{users}};
+ return @out;
+}
+
+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 parents
+{
+ my $self = shift;
+ return @{$self->{parent}};
+}
+
+sub rnodes
+{
+ my $self = shift;
+ my @out;
+ foreach my $call (@{$self->{nodes}}) {
+ next if grep $call eq $_, @_;
+ push @out, $call;
+ my $r = get($call);
+ push @out, $r->rnodes($call, @_) if $r;
+ }
+ return @out;
+}
+
+
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->{parent} = ref $pkg ? [ $pkg->{call} ] : [ ];
$self->{version} = shift;
+ $self->{flags} = shift;
+ $self->{users} = [];
+ $self->{nodes} = [];
$list{$call} = $self;
{
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
+{
+ return values %list;
+}
+
+sub _addparent
+{
+ my $self = shift;
+ return $self->_addlist('parent', @_);
+}
+
+sub _delparent
+{
+ my $self = shift;
+ return $self->_dellist('parent', @_);
+}
+
+
+sub _addnode
{
my $self = shift;
- $self->_addlist('dxchancall', @_);
+ return $self->_addlist('nodes', @_);
}
-sub deldxchan
+sub _delnode
{
my $self = shift;
- $self->_dellist('dxchancall', @_);
+ return $self->_dellist('nodes', @_);
}
-sub addparent
+
+sub _adduser
{
my $self = shift;
- $self->_addlist('parent', @_);
+ return $self->_addlist('users', @_);
}
-sub delparent
+sub _deluser
{
my $self = shift;
- $self->_dellist('parent', @_);
+ return $self->_dellist('users', @_);
+}
+
+sub DESTROY
+{
+ my $self = shift;
+ my $pkg = ref $self;
+ my $call = $self->{call} || "Unknown";
+
+ dbg("destroying $pkg with $call") if isdbg('routelow');
+}
+
+#
+# generic AUTOLOAD for accessors
+#
+
+sub AUTOLOAD
+{
+ 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;
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