+ }
+
+ # set up the basic channel info - this needs a bit more thought - there is duplication here
+ if (!defined $dxchan) {
+ my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/;
+ my $user = DXUser->get($call);
+ if (!defined $user) {
+ $user = DXUser->new($call);
+ }
+ my $sort = $user->sort();
+
+ # is there one already connected?
+ if (DXChannel->get($call)) {
+ my $mess = DXM::msg('conother', $call);
+ dbg('chan', "-> D $call $mess\n");
+ $conn->send_now("D$call|$mess");
+ dbg('chan', "-> Z $call bye\n");
+ $conn->send_now("Z$call|bye"); # this will cause 'client' to disconnect
+ return;
+ }
+
+ # is there one already connected elsewhere in the cluster?
+ if (DXCluster->get($call)) {
+ my $mess = DXM::msg('concluster', $call);
+ dbg('chan', "-> D $call $mess\n");
+ $conn->send_now("D$call|$mess");
+ dbg('chan', "-> Z $call bye\n");
+ $conn->send_now("Z$call|bye"); # this will cause 'client' to disconnect
+ return;
+ }
+
+ # set some necessary flags on the user if they are connecting
+ $user->wwv(1) if !$user->wwv();
+ $user->talk(1) if !$user->talk();
+ $user->ann(1) if !$user->ann();
+ $user->here(1) if !$user->here();
+ $user->sort('U') if !$user->sort();
+
+ # create the channel
+ $dxchan = DXCommandmode->new($call, $conn, $user) if ($sort eq 'U');
+ $dxchan = DXProt->new($call, $conn, $user) if ($sort eq 'A');
+ die "Invalid sort of user on $call = $sort" if !$dxchan;
+ }
+
+ # queue the message and the channel object for later processing