package DXCluster;
-use Exporter;
-@ISA = qw(Exporter);
use DXDebug;
-use Carp;
+use DXUtil;
use strict;
use vars qw(%cluster %valid);
%cluster = (); # this is where we store the dxcluster database
%valid = (
- mynode => '0,Parent Node,showcall',
+ mynode => '0,Parent Node',
call => '0,Callsign',
confmode => '0,Conference Mode,yesno',
here => '0,Here?,yesno',
- dxchan => '5,Channel ref',
+ dxchancall => '5,Channel Call',
pcversion => '5,Node Version',
- list => '5,User List,dolist',
+ list => '5,User List,DXCluster::dolist',
users => '0,No of Users',
);
$self->{call} = $call;
$self->{confmode} = $confmode;
$self->{here} = $here;
- $self->{dxchan} = $dxchan;
+ $self->{dxchancall} = $dxchan->call;
$cluster{$call} = bless $self, $pkg;
return $self;
my ($self, $ele) = @_;
return $valid{$ele};
}
+#
+# return a list of valid elements
+#
+
+sub fields
+{
+ return keys(%valid);
+}
# this expects a reference to a list in a node NOT a ref to a node
sub dolist
my $out;
my $ref;
- foreach $ref (@{$self}) {
+ foreach my $call (keys %{$self}) {
+ $ref = $$self{$call};
my $s = $ref->{call};
$s = "($s)" if !$ref->{here};
$out .= "$s ";
{
my $users = DXCommandmode::get_all();
my $uptime = main::uptime();
- my $tot = $DXNode::users + 1;
+ my $tot = $DXNode::users;
return " $DXNode::nodes nodes, $users local / $tot total users Max users $DXNode::maxusers Uptime $uptime";
}
-sub DESTROY
+sub mynode
{
my $self = shift;
- dbg('cluster', "destroying $self->{call}\n");
+ my $noderef = shift;
+
+ if ($noderef) {
+ $self->{mynode} = $noderef->call;
+ } else {
+ $noderef = DXCluster->get_exact($self->{mynode});
+ unless ($noderef) {
+ my $mynode = $self->{mynode};
+ my $call = $self->{call};
+ dbg("parent node $mynode has disappeared from $call") if isdbg('err');
+ }
+ }
+ return $noderef;
+}
+
+sub dxchan
+{
+ my $self = shift;
+ my $dxchan = shift;
+
+ if ($dxchan) {
+ $self->{dxchancall} = $dxchan->call;
+ } else {
+ $dxchan = DXChannel->get($self->{dxchancall});
+ unless ($dxchan) {
+ my $dxcall = $self->{dxchancall};
+ my $call = $self->{call};
+ dbg("parent dxchan $dxcall has disappeared from $call") if isdbg('err');
+ }
+ }
+ return $dxchan;
}
no strict;
$name =~ s/.*:://o;
confess "Non-existant field '$AUTOLOAD'" if !$valid{$name};
+ # this clever line of code creates a subroutine which takes over from autoload
+ # from OO Perl - Conway
+ *{$AUTOLOAD} = sub {@_ > 1 ? $_[0]->{$name} = $_[1] : $_[0]->{$name}} ;
@_ ? $self->{$name} = shift : $self->{$name} ;
}
die "tried to add $call when it already exists" if DXCluster->get_exact($call);
my $self = $pkg->alloc($dxchan, $call, $confmode, $here);
- $self->{mynode} = $node;
- $node->{list}->{$call} = $self; # add this user to the list on this node
- dbg('cluster', "allocating user $call to $node->{call} in cluster\n");
- $node->update_users();
+ $self->{mynode} = $node->call;
+ $node->add_user($call, $self);
+ dbg("allocating user $call to $node->{call} in cluster\n") if isdbg('cluster');
return $self;
}
{
my $self = shift;
my $call = $self->{call};
- my $node = $self->{mynode};
+ my $node = $self->mynode;
- delete $node->{list}->{$call};
- delete $DXCluster::cluster{$call}; # remove me from the cluster table
- dbg('cluster', "deleting user $call from $node->{call} in cluster\n");
- $node->update_users();
+ $node->del_user($call);
+ dbg("deleting user $call from $node->{call} in cluster\n") if isdbg('cluster');
}
sub count
my $self = $pkg->alloc($dxchan, $call, $confmode, $here);
$self->{pcversion} = $pcversion;
$self->{list} = { } ;
- $self->{mynode} = $self; # for sh/station
+ $self->{mynode} = $self->call; # for sh/station
$self->{users} = 0;
$nodes++;
- dbg('cluster', "allocating node $call to cluster\n");
+ dbg("allocating node $call to cluster\n") if isdbg('cluster');
return $self;
}
$ref->del(); # this also takes them out of this list
}
delete $DXCluster::cluster{$call}; # remove me from the cluster table
- dbg('cluster', "deleting node $call from cluster\n");
- $nodes-- if $nodes > 0;
+ dbg("deleting node $call from cluster\n") if isdbg('cluster');
+ $users -= $self->{users}; # it may be PC50 updated only therefore > 0
+ $users = 0 if $users < 0;
+ $nodes--;
+ $nodes = 0 if $nodes < 0;
+}
+
+sub add_user
+{
+ my $self = shift;
+ my $call = shift;
+ my $ref = shift;
+
+ $self->{list}->{$call} = $ref; # add this user to the list on this node
+ $self->{users} = keys %{$self->{list}};
+ $users++;
+ $maxusers = $users+$nodes if $users+$nodes > $maxusers;
+}
+
+sub del_user
+{
+ my $self = shift;
+ my $call = shift;
+
+ delete $self->{list}->{$call};
+ delete $DXCluster::cluster{$call}; # remove me from the cluster table
+ $self->{users} = keys %{$self->{list}};
+ $users--;
+ $users = 0, warn "\$users gone neg, reset" if $users < 0;
+ $maxusers = $users+$nodes if $users+$nodes > $maxusers;
}
sub update_users
my $self = shift;
my $count = shift;
$count = 0 unless $count;
-
- $users -= $self->{users} if $self->{users};
- if ((keys %{$self->{list}})) {
- $self->{users} = (keys %{$self->{list}});
- } else {
- $self->{users} = $count;
- }
- $users += $self->{users} if $self->{users};
+
+ $users -= $self->{users};
+ $self->{users} = $count unless keys %{$self->{list}};
+ $users += $self->{users};
$maxusers = $users+$nodes if $users+$nodes > $maxusers;
}
{
}
+
+sub DESTROY
+{
+ my $self = shift;
+ undef $self->{list} if $self->{list};
+}
+
+
1;
__END__
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