X-Git-Url: http://gb7djk.dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXProt.pm;h=fb1b4b95b85e1b28ae0b2e40ae27164f42070699;hb=502f900651a46b96008028945616a3b610d6cc7a;hp=7dc55189d6d4b349eccfb9dc1b8653a8952605c4;hpb=64b4171276c84a8df58776608dd9f568adef27b2;p=spider.git

diff --git a/perl/DXProt.pm b/perl/DXProt.pm
index 7dc55189..fb1b4b95 100644
--- a/perl/DXProt.pm
+++ b/perl/DXProt.pm
@@ -24,26 +24,30 @@ use DXProtout;
 use DXDebug;
 use Filter;
 use Local;
-
-use Carp;
+use DXDb;
+use AnnTalk;
+use Geomag;
+use WCY;
+use Time::HiRes qw(gettimeofday tv_interval);
 
 use strict;
-use vars qw($me $pc11_max_age $pc11_dup_age $pc23_dup_age 
-			%spotdup %wwvdup $last_hour %pings %rcmds 
-			%nodehops @baddx $baddxfn);
+use vars qw($me $pc11_max_age $pc23_max_age
+			$last_hour %pings %rcmds
+			%nodehops @baddx $baddxfn 
+			$allowzero $decode_dk0wcy);
 
 $me = undef;					# the channel id for this cluster
+$decode_dk0wcy = undef;			# if set use this callsign to decode announces from the EU WWV data beacon
 $pc11_max_age = 1*3600;			# the maximum age for an incoming 'real-time' pc11
-$pc11_dup_age = 24*3600;		# the maximum time to keep the spot dup list for
-$pc23_dup_age = 24*3600;		# the maximum time to keep the wwv dup list for
-%spotdup = ();				    # the pc11 and 26 dup hash 
-%wwvdup = ();				    # the pc23 and 27 dup hash 
+$pc23_max_age = 1*3600;			# the maximum age for an incoming 'real-time' pc23
+
 $last_hour = time;				# last time I did an hourly periodic update
 %pings = ();                    # outstanding ping requests outbound
 %rcmds = ();                    # outstanding rcmd requests outbound
 %nodehops = ();                 # node specific hop control
 @baddx = ();                    # list of illegal spotted callsigns
 
+
 $baddxfn = "$main::data/baddx.pl";
 
 sub init
@@ -57,21 +61,13 @@ sub init
 	confess $@ if $@;
 	#  $me->{sort} = 'M';    # M for me
 
-	# now prime the spot duplicates file with today's and yesterday's data
+	# now prime the spot and wwv  duplicates file with data
     my @today = Julian::unixtoj(time);
-	my @spots = Spot::readfile(@today);
-	@today = Julian::sub(@today, 1);
-	push @spots, Spot::readfile(@today);
-	for (@spots) {
-		my $dupkey = "$_->[0]$_->[1]$_->[2]$_->[3]$_->[4]";
-		$spotdup{$dupkey} = $_->[2];
+	for (Spot::readfile(@today), Spot::readfile(Julian::sub(@today, 1))) {
+		Spot::dup(@{$_}[0..3]);
 	}
-
-	# now prime the wwv duplicates file with just this month's data
-	my @wwv = Geomag::readfile(time);
-	for (@wwv) {
-		my $dupkey = "$_->[1].$_->[2]$_->[3]$_->[4]";
-		$wwvdup{$dupkey} = $_->[1];
+	for (Geomag::readfile(time)) {
+		Geomag::dup(@{$_}[1..5]);
 	}
 
 	# load the baddx file
@@ -86,7 +82,6 @@ sub init
 sub new 
 {
 	my $self = DXChannel::alloc(@_);
-	$self->{'sort'} = 'A';		# in absence of how to find out what sort of an object I am
 	return $self;
 }
 
@@ -108,22 +103,40 @@ sub start
 	$self->{consort} = $line;	# save the connection type
 	$self->{here} = 1;
 
-	# get the filters
-	$self->{spotfilter} = Filter::read_in('spots', $call);
-	$self->{wwvfilter} = Filter::read_in('wwv', $call);
-	$self->{annfilter} = Filter::read_in('ann', $call);
+	# get the INPUT filters (these only pertain to Clusters)
+	$self->{inspotfilter} = Filter::read_in('spots', $call, 1);
+	$self->{inwwvfilter} = Filter::read_in('wwv', $call, 1);
+	$self->{inwcyfilter} = Filter::read_in('wcy', $call, 1);
+	$self->{inannfilter} = Filter::read_in('ann', $call, 1);
 	
-	# set unbuffered
+	# set unbuffered and no echo
 	$self->send_now('B',"0");
+	$self->send_now('E',"0");
 	
+	# ping neighbour node stuff
+	my $ping = $user->pingint;
+	$ping = 5*60 unless defined $ping;
+	$self->{pingint} = $ping;
+	$self->{nopings} = $user->nopings || 2;
+	$self->{pingtime} = [ ];
+	$self->{pingave} = 0;
+
 	# send initialisation string
-	if (!$self->{outbound}) {
+	unless ($self->{outbound}) {
 		$self->send(pc38()) if DXNode->get_all();
 		$self->send(pc18());
+		$self->{lastping} = $main::systime;
+	} else {
+		# remove from outstanding connects queue
+		@main::outstanding_connects = grep {$_->{call} ne $call} @main::outstanding_connects;
+		$self->{lastping} = $main::systime + $self->pingint / 2;
 	}
 	$self->state('init');
 	$self->pc50_t(time);
 
+	# send info to all logged in thingies
+	$self->tell_login('loginn');
+
 	Log('DXProt', "$call connected");
 }
 
@@ -144,8 +157,14 @@ sub normal
 	# process PC frames
 	my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
 	return unless $pcno;
-	return if $pcno < 10 || $pcno > 51;
-	
+	return if $pcno < 10 || $pcno > 99;
+
+	# dump bad protocol messages unless it is a PC29
+	if ($line =~ /\%[0-9A-F][0-9A-F]/o && $pcno != 29) {
+		dbg('chan', "CORRUPT protocol message - dumped");
+		return;
+	}
+
 	# local processing 1
 	my $pcr;
 	eval {
@@ -159,7 +178,7 @@ sub normal
 			
 			# is it for me or one of mine?
 			my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
-			if ($call eq $main::mycall || grep $_ eq $call, get_all_user_calls()) {
+			if ($call eq $main::mycall || grep $_ eq $call, DXChannel::get_all_user_calls()) {
 				
 				# yes, it is
 				my $text = unpad($field[3]);
@@ -168,15 +187,26 @@ sub normal
 				my $ref = DXChannel->get($call);
 				$ref->send("$call de $field[1]: $text") if $ref && $ref->{talk};
 			} else {
-				route($field[2], $line); # relay it on its way
+				$self->route($field[2], $line); # relay it on its way
 			}
 			return;
 		}
 		
 		if ($pcno == 11 || $pcno == 26) { # dx spot
+
+			# route 'foreign' pc26s 
+			if ($pcno == 26) {
+				if ($field[7] ne $main::mycall) {
+					$self->route($field[7], $line);
+					return;
+				}
+			}
 			
 			# if this is a 'nodx' node then ignore it
-			last SWITCH if grep $field[7] =~ /^$_/,  @DXProt::nodx_node;
+			if (grep $field[7] =~ /^$_/,  @DXProt::nodx_node) {
+				dbg('chan', "Bad DXNode, dropped");
+				return;
+			}
 			
 			# convert the date to a unix date
 			my $d = cltounix($field[3], $field[4]);
@@ -186,30 +216,25 @@ sub normal
 				return;
 			}
 
-			# strip off the leading & trailing spaces from the comment
-			my $text = unpad($field[5]);
-			
-			# store it away
-			my $spotter = $field[6];
-			$spotter =~ s/-\d+$//o;	# strip off the ssid from the spotter
-			
-			# do some de-duping
-			my $freq = $field[1] - 0;
-			my $dupkey = "$freq$field[2]$d$text$spotter";
-			if ($spotdup{$dupkey}) {
-				dbg('chan', "Duplicate Spot ignored\n");
-				return;
-			}
-			
-			$spotdup{$dupkey} = $d;
-
 			# is it 'baddx'
 			if (grep $field[2] eq $_, @baddx) {
 				dbg('chan', "Bad DX spot, ignored");
 				return;
 			}
+
+			# are any of the crucial fields invalid?
+            if ($field[2] =~ /[a-z]/ || $field[6] =~ /[a-z]/ || $field[7] =~ /[a-z]/) {
+				dbg('chan', "Spot contains lower case callsigns, rejected");
+				return;
+			}
+			
+			# do some de-duping
+			if (Spot::dup($field[1], $field[2], $d, $field[5])) {
+				dbg('chan', "Duplicate Spot ignored\n");
+				return;
+			}
 			
-			my @spot = Spot::add($freq, $field[2], $d, $text, $spotter, $field[7]);
+			my @spot = Spot::add($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
 
             #
 			# @spot at this point contains:-
@@ -230,76 +255,42 @@ sub normal
 			return if $pcno == 26;
 
 			# send out the filtered spots
-			my @dxchan = get_all_ak1a();
-			my $dxchan;
-	
-			# send it if it isn't the except list and isn't isolated and still has a hop count
-			# taking into account filtering and so on
-			foreach $dxchan (@dxchan) {
-				next if $dxchan == $self;
-				my $routeit;
-				my ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @spot, $self->{call} ) if $dxchan->{spotfilter};
-				if ($hops) {
-					$routeit = $line;
-					$routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
-				} else {
-					$routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
-					next unless $routeit;
-				}
-				if ($filter) {
-					$dxchan->send($routeit) if $routeit;
-				} else {
-					$dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
-				}					
-			}
-
-			# send orf to the users
-			if (@spot) {
-				my $buf = Spot::formatb($field[1], $field[2], $d, $text, $spotter);
-				broadcast_users("$buf\a\a", 'dx', $spot[0]);
-			}
-
+			send_dx_spot($self, $line, @spot) if @spot;
 			return;
 		}
 		
 		if ($pcno == 12) {		# announces
+			# announce duplicate checking
+			if (AnnTalk::dup($field[1], $field[2], $field[3])) {
+				dbg('chan', "Duplicate Announce ignored\n");
+				return;
+			}
 			
 			if ($field[2] eq '*' || $field[2] eq $main::mycall) {
 				
-				# strip leading and trailing stuff
-				my $text = unpad($field[3]);
-				my $target;
-				my $to = 'To ';
-				my @list;
-				
-				if ($field[4] eq '*') {	# sysops
-					$target = "SYSOP";
-					@list = map { $_->priv >= 5 ? $_ : () } get_all_users();
-				} elsif ($field[4] gt ' ') { # speciality list handling
-					my ($name) = split /\./, $field[4]; 
-					$target = "$name"; # put the rest in later (if bothered) 
-				} 
-				
-				if ($field[6] eq '1') {
-					$target = "WX"; 
-					$to = '';
+				# global ann filtering on INPUT
+				if ($self->{inannfilter}) {
+					my ($filter, $hops) = Filter::it($self->{inannfilter}, @field[1..6], $self->{call} );
+					unless ($filter) {
+						dbg('chan', "Rejected by filter");
+						return;
+					}
 				}
-				$target = "All" if !$target;
+
+				# send it
+				$self->send_announce($line, @field[1..6]);
 				
-				if (@list > 0) {
-					broadcast_list("$to$target de $field[1]: $text", 'ann', undef, @list);
-				} else {
-					broadcast_users("$target de $field[1]: $text", 'ann', undef);
+				if ($decode_dk0wcy && $field[1] eq $decode_dk0wcy) {
+					my ($hour, $k, $next, $a, $r, $sfi, $alarm) = $field[3] =~ /^Aurora Beacon\s+(\d+)UTC,\s+Kiel\s+K=(\d+),.*ed\s+K=(\d+),\s+A=(\d+),\s+R=(\d+),\s+SFI=(\d+),.*larm:\s+(\w+)/;
+					$alarm = ($alarm =~ /^Y/i) ? ', Aurora in DE' : ''; 
+					my $wwv = Geomag::update($main::systime, $hour, $sfi, $a, $k, "R=$r, Next K=$next$alarm", $decode_dk0wcy, $field[5], $r) if $sfi && $r;
 				}
-				Log('ann', $target, $field[1], $text);
 				
-				return if $field[2] eq $main::mycall; # it's routed to me
 			} else {
-				route($field[2], $line);
-				return;			# only on a routed one
+				$self->route($field[2], $line);
 			}
 			
-			last SWITCH;
+			return;
 		}
 		
 		if ($pcno == 13) {
@@ -314,11 +305,26 @@ sub normal
 		
 		if ($pcno == 16) {		# add a user
 			my $node = DXCluster->get_exact($field[1]); 
-			last SWITCH if !$node; # ignore if havn't seen a PC19 for this one yet
-			last SWITCH unless $node->isa('DXNode');
+			my $dxchan;
+			if (!$node && ($dxchan = DXChannel->get($field[1]))) {
+				# add it to the node table if it isn't present and it's
+				# connected locally
+				$node = DXNode->new($dxchan, $field[1], 0, 1, 5400);
+				broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
+				
+			}
+			return unless $node; # ignore if havn't seen a PC19 for this one yet
+			return unless $node->isa('DXNode');
+			if ($node->dxchan != $self) {
+				dbg('chan', "LOOP: $field[1] came in on wrong channel");
+				return;
+			}
+			if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
+				dbg('chan', "LOOP: $field[1] connected locally");
+				return;
+			}
 			my $i;
-			
-			
+						
 			for ($i = 2; $i < $#field; $i++) {
 				my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
 				next if !$call || length $call < 3 || length $call > 8;
@@ -335,7 +341,7 @@ sub normal
 				$user = DXUser->new($call) if !$user;
 				$user->homenode($node->call) if !$user->homenode;
 				$user->node($node->call);
-				$user->lastin($main::systime);
+				$user->lastin($main::systime) unless DXChannel->get($call);
 				$user->put;
 			}
 			
@@ -345,38 +351,82 @@ sub normal
 		}
 		
 		if ($pcno == 17) {		# remove a user
-			
+			my $node = DXCluster->get_exact($field[2]);
+			my $dxchan;
+			if (!$node && ($dxchan = DXChannel->get($field[2]))) {
+				# add it to the node table if it isn't present and it's
+				# connected locally
+				$node = DXNode->new($dxchan, $field[2], 0, 1, 5400);
+				broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
+				return;
+			}
+			return unless $node;
+			return unless $node->isa('DXNode');
+			if ($node->dxchan != $self) {
+				dbg('chan', "LOOP: $field[2] came in on wrong channel");
+				return;
+			}
+			if (($dxchan = DXChannel->get($field[2])) && $dxchan != $self) {
+				dbg('chan', "LOOP: $field[2] connected locally");
+				return;
+			}
 			my $ref = DXCluster->get_exact($field[1]);
 			$ref->del() if $ref;
 			last SWITCH;
 		}
 		
 		if ($pcno == 18) {		# link request
+			$self->state('init');	
+
+			# first clear out any nodes on this dxchannel
+			my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
+			foreach my $node (@gonenodes) {
+				next if $node->dxchan == $DXProt::me;
+				broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate}; 
+				$node->del();
+			}
 			$self->send_local_config();
 			$self->send(pc20());
-			$self->state('init');	
 			return;             # we don't pass these on
 		}
 		
 		if ($pcno == 19) {		# incoming cluster list
 			my $i;
+			my $newline = "PC19^";
 			for ($i = 1; $i < $#field-1; $i += 4) {
 				my $here = $field[$i];
 				my $call = uc $field[$i+1];
-				my $confmode = $field[$i+2] eq '*';
+				my $confmode = $field[$i+2];
 				my $ver = $field[$i+3];
+
+				$ver = 5400 if !$ver && $allowzero;
 				
 				# now check the call over
-				next if DXCluster->get_exact($call); # we already have this
+				my $node = DXCluster->get_exact($call);
+				if ($node) {
+					my $dxchan;
+					if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
+						dbg('chan', "LOOP: $call connected locally");
+					}
+				    if ($node->dxchan != $self) {
+						dbg('chan', "LOOP: $call come in on wrong channel");
+						next;
+					}
+					dbg('chan', "already have $call");
+					next;
+				}
 				
 				# check for sane parameters
 				next if $ver < 5000; # only works with version 5 software
 				next if length $call < 3; # min 3 letter callsigns
+
+				# add it to the nodes table and outgoing line
+				$newline .= "$here^$call^$confmode^$ver^";
 				DXNode->new($self, $call, $confmode, $here, $ver);
 				
 				# unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
 				my $mref = DXMsg::get_busy($call);
-				$mref->stop_msg($self) if $mref;
+				$mref->stop_msg($call) if $mref;
 				
 				# add this station to the user database, if required (don't remove SSID from nodes)
 				my $user = DXUser->get_current($call);
@@ -388,12 +438,15 @@ sub normal
 					$user->homenode($call);
 					$user->node($call);
 				}
-				$user->lastin($main::systime);
+				$user->lastin($main::systime) unless DXChannel->get($call);
 				$user->put;
 			}
 			
-			# queue up any messages
-			DXMsg::queue_msg(0) if $self->state eq 'normal';
+			return if $newline eq "PC19^";
+
+			# add hop count 
+			$newline .=  get_hops(19) . "^";
+			$line = $newline;
 			last SWITCH;
 		}
 		
@@ -401,63 +454,79 @@ sub normal
 			$self->send_local_config();
 			$self->send(pc22());
 			$self->state('normal');
-			
-			# queue mail
-			DXMsg::queue_msg(0);
-
 			return;
 		}
 		
 		if ($pcno == 21) {		# delete a cluster from the list
 			my $call = uc $field[1];
 			if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
-				my $ref = DXCluster->get_exact($call);
-				$ref->del() if $ref;
+				my $node = DXCluster->get_exact($call);
+				if ($node) {
+					if ($node->dxchan != $self) {
+						dbg('chan', "LOOP: $call come in on wrong channel");
+						return;
+					}
+					my $dxchan;
+					if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
+						dbg('chan', "LOOP: $call connected locally");
+						return;
+					}
+					$node->del();
+				} else {
+					dbg('chan', "$call not in table, dropped");
+					return;
+				}
 			}
 			last SWITCH;
 		}
 		
 		if ($pcno == 22) {
 			$self->state('normal');
-			
-			# queue mail
-			DXMsg::queue_msg(0);
 			return;
 		}
-		
+				
 		if ($pcno == 23 || $pcno == 27) { # WWV info
+			
+			# route 'foreign' pc27s 
+			if ($pcno == 27) {
+				if ($field[8] ne $main::mycall) {
+					$self->route($field[8], $line);
+					return;
+				}
+			}
+
 			# do some de-duping
 			my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
 			my $sfi = unpad($field[3]);
 			my $k = unpad($field[4]);
 			my $i = unpad($field[5]);
-			my $dupkey = "$d.$sfi$k$i";
-			if ($wwvdup{$dupkey}) {
-				dbg('chan', "Dup WWV Spot ignored\n");
+			my ($r) = $field[6] =~ /R=(\d+)/;
+			$r = 0 unless $r;
+			if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
+				dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
 				return;
 			}
-			if ($d > $main::systime + 900 || $field[2] < 0 || $field[2] > 23) {
-				dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
+			if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
+				dbg('chan', "Dup WWV Spot ignored\n");
 				return;
 			}
-			$wwvdup{$dupkey} = $d;
-			$field[6] =~ s/-\d+$//o;            # remove spotter's ssid
+			$field[7] =~ s/-\d+$//o;            # remove spotter's ssid
 		
-			my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..$#field]);
+			my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
 
-			my $r;
+			my $rep;
 			eval {
-				$r = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..$#field]);
+				$rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
 			};
 #			dbg('local', "Local::wwv2 error $@") if $@;
-			return if $r;
+			return if $rep;
 
 			# DON'T be silly and send on PC27s!
 			return if $pcno == 27;
 
-			# broadcast to the eager users
-			broadcast_users("WWV de $field[7] <$field[2]>:   SFI=$sfi, A=$k, K=$i, $field[6]", 'wwv', $wwv );
-			last SWITCH;
+			# broadcast to the eager world
+			send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
+			return;
 		}
 		
 		if ($pcno == 24) {		# set here status
@@ -468,8 +537,12 @@ sub normal
 		}
 		
 		if ($pcno == 25) {      # merge request
-			unless ($field[1] eq $main::mycall) {
-				dbg('chan', "merge request to $field[1] from $field[2] ignored");
+			if ($field[1] ne $main::mycall) {
+				$self->route($field[1], $line);
+				return;
+			}
+			if ($field[2] eq $main::mycall) {
+				dbg('chan', "Trying to merge to myself, ignored");
 				return;
 			}
 
@@ -477,10 +550,10 @@ sub normal
 			
 			# spots
 			if ($field[3] > 0) {
-				my @in = reverse Spot::search(1, undef, undef, 0, $field[3]-1);
+				my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
 				my $in;
 				foreach $in (@in) {
-					$self->send(pc26(@{$in}[0..4], $in->[7]));
+					$self->send(pc26(@{$in}[0..4], $field[2]));
 				}
 			}
 
@@ -489,37 +562,52 @@ sub normal
 				my @in = reverse Geomag::search(0, $field[4], time, 1);
 				my $in;
 				foreach $in (@in) {
-					$self->send(pc27(@{$in}));
+					$self->send(pc27(@{$in}[0..5], $field[2]));
 				}
 			}
 			return;
 		}
-		
+
 		if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
-			DXMsg::process($self, $line);
+			if ($pcno == 49 || $field[1] eq $main::mycall) {
+				DXMsg::process($self, $line);
+			} else {
+				$self->route($field[1], $line);
+			}
 			return;
 		}
 		
 		if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
 			if ($field[1] eq $main::mycall) {
 				my $ref = DXUser->get_current($field[2]);
+				my $cref = DXCluster->get($field[2]);
 				Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
-				unless ($field[3] =~ /rcmd/i) {    # not allowed to relay RCMDS!
+				unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->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[3]));
+						$self->{priv} = $oldpriv;
 						for (@in) {
 							s/\s*$//og;
 							$self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
 							Log('rcmd', 'out', $field[2], $_);
 						}
 						delete $self->{remotecmd};
+					} else {
+						$self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
 					}
 				} else {
-					$self->send(pc35($main::mycall, $field[2], "$main::mycall:Tut tut tut...!"));
+					$self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
 				}
 			} else {
-				route($field[1], $line);
+				my $ref = DXUser->get_current($field[1]);
+				if ($ref && $ref->is_clx) {
+					route($field[1], pc84($field[2], $field[1], $field[2], $field[3]));
+				} else {
+					$self->route($field[1], $line);
+				}
 			}
 			return;
 		}
@@ -533,21 +621,24 @@ sub normal
 					delete $rcmds{$field[2]} if !$dxchan;
 				}
 			} else {
-				route($field[1], $line);
+				my $ref = DXUser->get_current($field[1]);
+				if ($ref && $ref->is_clx) {
+					route($field[1], pc85($field[2], $field[1], $field[2], $field[3]));
+				} else {
+					$self->route($field[1], $line);
+				}
 			}
 			return;
 		}
 		
-		if ($pcno == 37) {
-			last SWITCH;
-		}
-		
+		# for pc 37 see 44 onwards
+
 		if ($pcno == 38) {		# node connected list from neighbour
 			return;
 		}
 		
 		if ($pcno == 39) {		# incoming disconnect
-			$self->disconnect();
+			$self->disconnect(1);
 			return;
 		}
 		
@@ -578,25 +669,18 @@ sub normal
 		if ($pcno == 43) {
 			last SWITCH;
 		}
-		if ($pcno == 44) {
-			last SWITCH;
-		}
-		if ($pcno == 45) {
-			last SWITCH;
-		}
-		if ($pcno == 46) {
-			last SWITCH;
-		}
-		if ($pcno == 47) {
-			last SWITCH;
-		}
-		if ($pcno == 48) {
-			last SWITCH;
+		if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
+			DXDb::process($self, $line);
+			return;
 		}
 		
 		if ($pcno == 50) {		# keep alive/user list
-			my $ref = DXCluster->get_exact($field[1]);
-			$ref->update_users($field[2]) if $ref;			
+			my $node = DXCluster->get_exact($field[1]);
+			if ($node) {
+				return unless $node->isa('DXNode');
+				return unless $node->dxchan == $self;
+				$node->update_users($field[2]);
+			}
 			last SWITCH;
 		}
 		
@@ -611,29 +695,135 @@ sub normal
 					# it's a reply, look in the ping list for this one
 					my $ref = $pings{$field[2]};
 					if ($ref) {
-						my $r = shift @$ref;
-						my $dxchan = DXChannel->get($r->{call});
-						$dxchan->send($dxchan->msg('pingi', $field[2], atime($main::systime), $main::systime - $r->{t})) if $dxchan;
+						my $tochan =  DXChannel->get($field[2]);
+						while (@$ref) {
+							my $r = shift @$ref;
+							my $dxchan = DXChannel->get($r->{call});
+							next unless $dxchan;
+							my $t = tv_interval($r->{t}, [ gettimeofday ]);
+							if ($dxchan->is_user) {
+								my $s = sprintf "%.2f", $t; 
+								my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
+								$dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
+							} elsif ($dxchan->is_node) {
+								if ($tochan) {
+									$tochan->{nopings} = 2; # pump up the timer
+									push @{$tochan->{pingtime}}, $t;
+									shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
+									my $st;
+									for (@{$tochan->{pingtime}}) {
+										$st += $_;
+									}
+									$tochan->{pingave} = $st / @{$tochan->{pingtime}};
+								}
+							} 
+						}
 					}
 				}
-				
 			} else {
 				# route down an appropriate thingy
-				route($field[1], $line);
+				$self->route($field[1], $line);
+			}
+			return;
+		}
+
+		if ($pcno == 73) {  # WCY broadcasts
+			
+			# do some de-duping
+			my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
+			if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
+				dbg('chan', "WCY Date ($field[1] $field[2]) out of range");
+				return;
+			}
+			@field = map { unpad($_) } @field;
+			if (WCY::dup($d,@field[3..7])) {
+				dbg('chan', "Dup WCY Spot ignored\n");
+				return;
+			}
+		
+			my $wcy = WCY::update($d, @field[2..12]);
+
+			my $rep;
+			eval {
+				$rep = Local::wwv($self, @field[1..12]);
+			};
+			# dbg('local', "Local::wcy error $@") if $@;
+			return if $rep;
+
+			# broadcast to the eager world
+			send_wcy_spot($self, $line, $d, @field[2..12]);
+			return;
+		}
+
+		if ($pcno == 84) { # remote commands (incoming)
+			if ($field[1] eq $main::mycall) {
+				my $ref = DXUser->get_current($field[2]);
+				my $cref = DXCluster->get($field[2]);
+				Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
+				unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->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 $ref = DXUser->get_current($field[1]);
+				if ($ref && $ref->is_clx) {
+					$self->route($field[1], $line);
+				} else {
+					route($field[1], pc34($field[2], $field[1], $field[3]));
+				}
+			}
+			return;
+		}
+
+		if ($pcno == 85) {		# remote command replies
+			if ($field[1] 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 {
+				my $ref = DXUser->get_current($field[1]);
+				if ($ref && $ref->is_clx) {
+					$self->route($field[1], $line);
+				} else {
+					route($field[1], pc35($field[2], $field[1], $field[3]));
+				}
 			}
 			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 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 (!$self->{isolate}) {
+	unless ($self->{isolate}) {
 		broadcast_ak1a($line, $self); # send it to everyone but me
 	}
 }
@@ -649,13 +839,24 @@ sub process
 	my $dxchan;
 	
 	foreach $dxchan (@dxchan) {
-		next unless $dxchan->is_ak1a();
+		next unless $dxchan->is_node();
 		next if $dxchan == $me;
 		
 		# send a pc50 out on this channel
 		if ($t >= $dxchan->pc50_t + $DXProt::pc50_interval) {
-			$dxchan->send(pc50());
+			$dxchan->send(pc50(scalar DXChannel::get_all_users));
 			$dxchan->pc50_t($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;
+			}
 		}
 	}
 	
@@ -663,14 +864,9 @@ sub process
 	my $val;
 	my $cutoff;
 	if ($main::systime - 3600 > $last_hour) {
-		$cutoff  = $main::systime - $pc11_dup_age;
-		while (($key, $val) = each %spotdup) {
-			delete $spotdup{$key} if $val < $cutoff;
-		}
-		$cutoff = $main::systime - $pc23_dup_age;
-		while (($key, $val) = each %wwvdup) {
-			delete $wwvdup{$key} if $val < $cutoff;
-		}
+		Spot::process;
+		Geomag::process;
+		AnnTalk::process;
 		$last_hour = $main::systime;
 	}
 }
@@ -682,11 +878,12 @@ sub finish
 {
 	my $self = shift;
 	my $call = $self->call;
+	my $conn = shift;
 	my $ref = DXCluster->get_exact($call);
 	
 	# unbusy and stop and outgoing mail
 	my $mref = DXMsg::get_busy($call);
-	$mref->stop_msg($self) if $mref;
+	$mref->stop_msg($call) if $mref;
 	
 	# broadcast to all other nodes that all the nodes connected to via me are gone
 	my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
@@ -702,8 +899,14 @@ sub finish
 	delete $pings{$call};
 	
 	# now broadcast to all other ak1a nodes that I have gone
-	broadcast_ak1a(pc21($call, 'Gone.'), $self);
-	
+	broadcast_ak1a(pc21($call, 'Gone.'), $self) unless $self->{isolate};
+
+	# I was the last node visited
+    $self->user->node($main::mycall);
+
+	# send info to all logged in thingies
+	$self->tell_login('logoutn');
+
 	Log('DXProt', $call . " Disconnected");
 	$ref->del() if $ref;
 }
@@ -711,6 +914,200 @@ sub finish
 #
 # some active measures
 #
+sub send_dx_spot
+{
+	my $self = shift;
+	my $line = shift;
+	my @dxchan = DXChannel->get_all();
+	my $dxchan;
+	
+	# send it if it isn't the except list and isn't isolated and still has a hop count
+	# taking into account filtering and so on
+	foreach $dxchan (@dxchan) {
+		my $routeit;
+		my ($filter, $hops);
+
+		if ($dxchan->{spotfilter}) {
+		    ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} );
+			next unless $filter;
+		}
+		
+		if ($dxchan->is_node) {
+			next if $dxchan == $self;
+			if ($hops) {
+				$routeit = $line;
+				$routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+			} else {
+				$routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
+				next unless $routeit;
+			}
+			if ($filter) {
+				$dxchan->send($routeit) if $routeit;
+			} else {
+				$dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+			}
+		} elsif ($dxchan->is_user && $dxchan->{dx}) {
+			my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
+			$buf .= "\a\a" if $dxchan->{beep};
+			if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+				$dxchan->send($buf);
+			} else {
+				$dxchan->delay($buf);
+			}
+		}					
+	}
+}
+
+sub send_wwv_spot
+{
+	my $self = shift;
+	my $line = shift;
+	my @dxchan = DXChannel->get_all();
+	my $dxchan;
+	
+	# send it if it isn't the except list and isn't isolated and still has a hop count
+	# taking into account filtering and so on
+	foreach $dxchan (@dxchan) {
+		my $routeit;
+		my ($filter, $hops);
+
+		if ($dxchan->{wwvfilter}) {
+			 ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} );
+			 next unless $filter;
+		}
+		if ($dxchan->is_node) {
+			next if $dxchan == $self;
+			if ($hops) {
+				$routeit = $line;
+				$routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+			} else {
+				$routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
+				next unless $routeit;
+			}
+			if ($filter) {
+				$dxchan->send($routeit) if $routeit;
+			} else {
+				$dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+				
+			}
+		} elsif ($dxchan->is_user && $dxchan->{wwv}) {
+			my $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
+			$buf .= "\a\a" if $dxchan->{beep};
+			if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+				$dxchan->send($buf);
+			} else {
+				$dxchan->delay($buf);
+			}
+		}					
+	}
+}
+
+sub send_wcy_spot
+{
+	my $self = shift;
+	my $line = shift;
+	my @dxchan = DXChannel->get_all();
+	my $dxchan;
+	
+	# send it if it isn't the except list and isn't isolated and still has a hop count
+	# taking into account filtering and so on
+	foreach $dxchan (@dxchan) {
+		my $routeit;
+		my ($filter, $hops);
+
+		if ($dxchan->{wcyfilter}) {
+			 ($filter, $hops) = Filter::it($dxchan->{wcyfilter}, @_, $self->{call} );
+			 next unless $filter;
+		}
+		if ($dxchan->is_clx || $dxchan->is_spider) {
+			next if $dxchan == $self;
+			if ($hops) {
+				$routeit = $line;
+				$routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+			} else {
+				$routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
+				next unless $routeit;
+			}
+			if ($filter) {
+				$dxchan->send($routeit) if $routeit;
+			} else {
+				$dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+			}
+		} elsif ($dxchan->is_user && $dxchan->{wcy}) {
+			my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
+			$buf .= "\a\a" if $dxchan->{beep};
+			if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+				$dxchan->send($buf);
+			} else {
+				$dxchan->delay($buf);
+			}
+		}					
+	}
+}
+
+# send an announce
+sub send_announce
+{
+	my $self = shift;
+	my $line = shift;
+	my @dxchan = DXChannel->get_all();
+	my $dxchan;
+	my $text = unpad($_[2]);
+	my $target;
+	my $to = 'To ';
+				
+	if ($_[3] eq '*') {	# sysops
+		$target = "SYSOP";
+	} elsif ($_[3] gt ' ') { # speciality list handling
+		my ($name) = split /\./, $_[3]; 
+		$target = "$name"; # put the rest in later (if bothered) 
+	} 
+	
+	if ($_[5] eq '1') {
+		$target = "WX"; 
+		$to = '';
+	}
+	$target = "All" if !$target;
+	
+	Log('ann', $target, $_[0], $text);
+
+	# send it if it isn't the except list and isn't isolated and still has a hop count
+	# taking into account filtering and so on
+	foreach $dxchan (@dxchan) {
+		my $routeit;
+		my ($filter, $hops);
+
+		if ($dxchan->{annfilter}) {
+			($filter, $hops) = Filter::it($dxchan->{annfilter}, @_, $self->{call} );
+			next unless $filter;
+		} 
+		if ($dxchan->is_node && $_[1] ne $main::mycall) {  # i.e not specifically routed to me
+			next if $dxchan == $self;
+			if ($hops) {
+				$routeit = $line;
+				$routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
+			} else {
+				$routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
+				next unless $routeit;
+			}
+			if ($filter) {
+				$dxchan->send($routeit) if $routeit;
+			} else {
+				$dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
+				
+			}
+		} elsif ($dxchan->is_user && $dxchan->{ann}) {
+			next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
+			my $buf = "$to$target de $_[0]: $text";
+			$buf .= "\a\a" if $dxchan->{beep};
+			if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
+				$dxchan->send($buf);
+			} else {
+				$dxchan->delay($buf);
+			}
+		}					
+	}
+}
 
 sub send_local_config
 {
@@ -728,9 +1125,10 @@ sub send_local_config
 		# and are not themselves isolated, this to make sure that isolated nodes
         # don't appear outside of this node
 		@nodes = DXNode::get_all();
-		@nodes = grep { $_->dxchan != $self } @nodes;
 		@nodes = grep { $_->{call} ne $main::mycall } @nodes;
-		@localnodes = grep { $_->dxchan->{call} eq $_->{call} && !$_->dxchan->{isolate} } @nodes if @nodes;
+		@nodes = grep { $_->dxchan != $self } @nodes if @nodes;
+		@nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
+		@localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
 		unshift @localnodes, DXCluster->get_exact($main::mycall);
 		@remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
 	}
@@ -759,9 +1157,13 @@ sub send_local_config
 #
 sub route
 {
-	my ($call, $line) = @_;
+	my ($self, $call, $line) = @_;
 	my $cl = DXCluster->get_exact($call);
-	if ($cl) {
+	if ($cl) {       # don't route it back down itself
+		if (ref $self && $call eq $self->{call}) {
+			dbg('chan', "Trying to route back to source, dropped");
+			return;
+		}
 		my $hops;
 		my $dxchan = $cl->{dxchan};
 		if ($dxchan) {
@@ -779,7 +1181,7 @@ sub broadcast_ak1a
 {
 	my $s = shift;				# the line to be rebroadcast
 	my @except = @_;			# to all channels EXCEPT these (dxchannel refs)
-	my @dxchan = get_all_ak1a();
+	my @dxchan = DXChannel::get_all_ak1a();
 	my $dxchan;
 	
 	# send it if it isn't the except list and isn't isolated and still has a hop count
@@ -796,7 +1198,7 @@ sub broadcast_all_ak1a
 {
 	my $s = shift;				# the line to be rebroadcast
 	my @except = @_;			# to all channels EXCEPT these (dxchannel refs)
-	my @dxchan = get_all_ak1a();
+	my @dxchan = DXChannel::get_all_ak1a();
 	my $dxchan;
 	
 	# send it if it isn't the except list and isn't isolated and still has a hop count
@@ -815,7 +1217,7 @@ sub broadcast_users
 	my $sort = shift;           # the type of transmission
 	my $fref = shift;           # a reference to an object to filter on
 	my @except = @_;			# to all channels EXCEPT these (dxchannel refs)
-	my @dxchan = get_all_users();
+	my @dxchan = DXChannel::get_all_users();
 	my $dxchan;
 	my @out;
 	
@@ -844,6 +1246,7 @@ sub broadcast_list
 		}
 		next if $sort eq 'ann' && !$dxchan->{ann};
 		next if $sort eq 'wwv' && !$dxchan->{wwv};
+		next if $sort eq 'wcy' && !$dxchan->{wcy};
 		next if $sort eq 'wx' && !$dxchan->{wx};
 
 		$s =~ s/\a//og unless $dxchan->{beep};
@@ -856,43 +1259,6 @@ sub broadcast_list
 	}
 }
 
-#
-# gimme all the ak1a nodes
-#
-sub get_all_ak1a
-{
-	my @list = DXChannel->get_all();
-	my $ref;
-	my @out;
-	foreach $ref (@list) {
-		push @out, $ref if $ref->is_ak1a;
-	}
-	return @out;
-}
-
-# return a list of all users
-sub get_all_users
-{
-	my @list = DXChannel->get_all();
-	my $ref;
-	my @out;
-	foreach $ref (@list) {
-		push @out, $ref if $ref->is_user;
-	}
-	return @out;
-}
-
-# return a list of all user callsigns
-sub get_all_user_calls
-{
-	my @list = DXChannel->get_all();
-	my $ref;
-	my @out;
-	foreach $ref (@list) {
-		push @out, $ref->call if $ref->is_user;
-	}
-	return @out;
-}
 
 #
 # obtain the hops from the list for this callsign and pc no 
@@ -900,7 +1266,7 @@ sub get_all_user_calls
 
 sub get_hops
 {
-	my ($pcno) = @_;
+	my $pcno = shift;
 	my $hops = $DXProt::hopcount{$pcno};
 	$hops = $DXProt::def_hopcount if !$hops;
 	return "H$hops";       
@@ -951,37 +1317,49 @@ sub load_hops
 	return 0;
 }
 
-# remove leading and trailing spaces from an input string
-sub unpad
-{
-	my $s = shift;
-	$s =~ s/^\s+|\s+$//;
-	return $s;
-}
 
 # add a ping request to the ping queues
 sub addping
 {
 	my ($from, $to) = @_;
-	my $ref = $pings{$to};
-	$ref = $pings{$to} = [] if !$ref;
+	my $ref = $pings{$to} || [];
 	my $r = {};
 	$r->{call} = $from;
-	$r->{t} = $main::systime;
-	route($to, pc51($to, $main::mycall, 1));
+	$r->{t} = [ gettimeofday ];
+	route(undef, $to, pc51($to, $main::mycall, 1));
 	push @$ref, $r;
+	$pings{$to} = $ref;
 }
 
 # add a rcmd request to the rcmd queues
 sub addrcmd
 {
-	my ($from, $to, $cmd) = @_;
+	my ($self, $to, $cmd) = @_;
+
 	my $r = {};
-	$r->{call} = $from;
+	$r->{call} = $self->{call};
 	$r->{t} = $main::systime;
 	$r->{cmd} = $cmd;
-	route($to, pc34($main::mycall, $to, $cmd));
 	$rcmds{$to} = $r;
+
+	my $ref = DXCluster->get_exact($to);
+    if ($ref && $ref->dxchan && $ref->dxchan->is_clx) {
+		route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
+	} else {
+		route(undef, $to, pc34($main::mycall, $to, $cmd));
+	}
+}
+
+sub disconnect
+{
+	my $self = shift;
+	my $nopc39 = shift;
+
+	if ($self->{conn} && !$nopc39) {
+		$self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
+	}
+
+	$self->SUPER::disconnect;
 }
 1;
 __END__