+
+ if ($pcno == 84) { # remote commands (incoming)
+ my $call = $field[1];
+ if ($call eq $main::mycall) {
+ my $ref = DXUser->get_current($field[2]);
+ my $cref = Route::Node::get($field[2]);
+ Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
+ unless ($field[4] =~ /rcmd/i || !$cref || !$ref || $cref->call ne $ref->homenode) { # not allowed to relay RCMDS!
+ if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
+ $self->{remotecmd} = 1; # for the benefit of any command that needs to know
+ my $oldpriv = $self->{priv};
+ $self->{priv} = $ref->{priv}; # assume the user's privilege level
+ my @in = (DXCommandmode::run_cmd($self, $field[4]));
+ $self->{priv} = $oldpriv;
+ for (@in) {
+ s/\s*$//og;
+ $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:$_"));
+ Log('rcmd', 'out', $field[2], $_);
+ }
+ delete $self->{remotecmd};
+ } else {
+ $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:sorry...!"));
+ }
+ } else {
+ $self->send(pc85($main::mycall, $field[2], $field[3],"$main::mycall:your attempt is logged, Tut tut tut...!"));
+ }
+ } else {
+ my $ref = DXUser->get_current($call);
+ if ($ref && $ref->is_clx) {
+ $self->route($call, $line);
+ } else {
+ $self->route($call, pc34($field[2], $call, $field[4]));
+ }
+ }
+ return;
+ }
+
+ if ($pcno == 85) { # remote command replies
+ my $call = $field[1];
+ if ($call eq $main::mycall) {
+ my $dxchan = DXChannel->get($field[3]);
+ if ($dxchan) {
+ $dxchan->send($field[4]);
+ } else {
+ my $s = $rcmds{$field[2]};
+ if ($s) {
+ $dxchan = DXChannel->get($s->{call});
+ $dxchan->send($field[4]) if $dxchan;
+ delete $rcmds{$field[2]} if !$dxchan;
+ } else {
+ # send unsolicited ones to the sysop
+ my $dxchan = DXChannel->get($main::myalias);
+ $dxchan->send($field[4]) if $dxchan;
+ }
+ }
+ } else {
+ my $ref = DXUser->get_current($call);
+ if ($ref && $ref->is_clx) {
+ $self->route($call, $line);
+ } else {
+ $self->route($call, pc35($field[2], $call, $field[4]));
+ }
+ }
+ return;
+ }
+ }
+
+ # if get here then rebroadcast the thing with its Hop count decremented (if
+ # there is one). If it has a hop count and it decrements to zero then don't
+ # rebroadcast it.
+ #
+ # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
+ # REBROADCAST!!!!
+ #
+
+ if (eph_dup($line)) {
+ dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
+ } else {
+ unless ($self->{isolate}) {
+ broadcast_ak1a($line, $self); # send it to everyone but me
+ }
+ }
+}
+
+#
+# This is called from inside the main cluster processing loop and is used
+# for despatching commands that are doing some long processing job
+#
+sub process
+{
+ my $t = time;
+ my @dxchan = DXChannel->get_all();
+ my $dxchan;
+
+ foreach $dxchan (@dxchan) {
+ next unless $dxchan->is_node();
+ next if $dxchan == $me;
+
+ # send a pc50 out on this channel
+ $dxchan->{pc50_t} = $main::systime unless exists $dxchan->{pc50_t};
+ if ($t >= $dxchan->{pc50_t} + $DXProt::pc50_interval) {
+ my $s = pc50($me, scalar DXChannel::get_all_users);
+ eph_dup($s);
+ $dxchan->send($s);
+ $dxchan->{pc50_t} = $t;
+ }
+
+ # send a ping out on this channel
+ if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
+ if ($dxchan->{nopings} <= 0) {
+ $dxchan->disconnect;
+ } else {
+ addping($main::mycall, $dxchan->call);
+ $dxchan->{nopings} -= 1;
+ $dxchan->{lastping} = $t;
+ }
+ }
+ }
+
+ # every ten seconds
+ if ($t - $last10 >= 10) {
+ # clean out ephemera
+
+ eph_clean();
+
+ $last10 = $t;
+ }
+
+ if ($main::systime - 3600 > $last_hour) {
+ $last_hour = $main::systime;
+ }
+}