X-Git-Url: http://www.dxcluster.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXProt.pm;h=b6c0b75903f61497b0343cad62899d09ab0d7eca;hb=4b207544da78b182bd12e94eab01451694749012;hp=1002023c4f9b3980920a49a50d5396bdc4bdd76b;hpb=f0d45ffe8cee20ddb33ff38f569b7c1cd8b5666b;p=spider.git

diff --git a/perl/DXProt.pm b/perl/DXProt.pm
index 1002023c..b6c0b759 100644
--- a/perl/DXProt.pm
+++ b/perl/DXProt.pm
@@ -4,8 +4,8 @@
 #
 # Copyright (c) 1998 Dirk Koopman G1TLH
 #
-# $Id$
-# 
+#
+#
 
 package DXProt;
 
@@ -32,25 +32,21 @@ use DXHash;
 use Route;
 use Route::Node;
 use Script;
-use Investigate;
-use RouteDB;
-
+use DXProtHandle;
 
 use strict;
 
-use vars qw($VERSION $BRANCH);
-$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
-$BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/  || (0,0));
-$main::build += $VERSION;
-$main::branch += $BRANCH;
-
 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
 			$last_hour $last10 %eph  %pings %rcmds $ann_to_talk
 			$pingint $obscount %pc19list $chatdupeage $chatimportfn
-			$investigation_int $pc19_version $myprot_version
-			%nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
+			$pc19_version $myprot_version
+			%nodehops $baddx $badspotter $badnode $censorpc
 			$allowzero $decode_dk0wcy $send_opernam @checklist
-			$eph_pc15_restime
+			$eph_pc15_restime $pc92_update_period $pc92_obs_timeout
+			%pc92_find $pc92_find_timeout $pc92_short_update_period
+			$next_pc92_obs_timeout $pc92_slug_changes $last_pc92_slug
+			$pc92_extnode_update_period $pc50_interval
+			$pc92_keepalive_period
 		   );
 
 $pc11_max_age = 1*3600;			# the maximum age for an incoming 'real-time' pc11
@@ -68,26 +64,31 @@ $badspotter = new DXHash "badspotter";
 $badnode = new DXHash "badnode";
 $last10 = $last_pc50 = time;
 $ann_to_talk = 1;
-$rspfcheck = 1;
-$eph_restime = 180;
-$eph_info_restime = 60*60;
+$eph_restime = 60;
+$eph_info_restime = 18*60*60;
 $eph_pc15_restime = 6*60;
 $eph_pc34_restime = 30;
 $pingint = 5*60;
 $obscount = 2;
-$chatdupeage = 20 * 60 * 60;
+$chatdupeage = 20 * 60;
 $chatimportfn = "$main::root/chat_import";
-$investigation_int = 12*60*60;	# time between checks to see if we can see this node
-$pc19_version = 5466;			# the visible version no for outgoing PC19s generated from pc59
+$pc19_version = 5455;			# the visible version no for outgoing PC19s generated from pc59
+$pc92_update_period = 4*60*60;	# the period between outgoing PC92 C updates
+$pc92_short_update_period = 15*60; # shorten the update period after a connection or start up
+$pc92_extnode_update_period = 1*60*60; # the update period for external nodes
+$pc92_keepalive_period = 1*60*60;	# frequency of PC92 K (keepalive) records
+%pc92_find = ();				# outstanding pc92 find operations
+$pc92_find_timeout = 30;		# maximum time to wait for a reply
 
-@checklist = 
+
+@checklist =
 (
  [ qw(i c c m bp bc c) ],			# pc10
  [ qw(i f m d t m c c h) ],		# pc11
  [ qw(i c bm m bm bm p h) ],		# pc12
- [ qw(i c h) ],					# 
- [ qw(i c h) ],					# 
- [ qw(i c m h) ],					# 
+ [ qw(i c h) ],					#
+ [ qw(i c h) ],					#
+ [ qw(i c m h) ],					#
  undef ,						# pc16 has to be validated manually
  [ qw(i c c h) ],					# pc17
  [ qw(i m n) ],					# pc18
@@ -133,7 +134,7 @@ $pc19_version = 5466;			# the visible version no for outgoing PC19s generated fr
  undef,
  undef,
  undef,							# pc60
- undef,
+ [ qw(i f m d t m c c a h) ],		# pc61
  undef,
  undef,
  undef,
@@ -162,7 +163,10 @@ $pc19_version = 5466;			# the visible version no for outgoing PC19s generated fr
  undef,
  undef,
  undef,
- [ qw(i c n) ],					# pc90
+ undef,							# pc90
+ undef,
+ [ qw(i c f l)],				# pc92
+ [ qw(i c f *m c *c m)],					# pc93
 );
 
 # use the entry in the check list to check the field list presented
@@ -171,18 +175,19 @@ sub check
 {
 	my $n = shift;
 	$n -= 10;
-	return 0 if $n < 0 || $n > @checklist; 
+	return 0 if $n < 0 || $n > @checklist;
 	my $ref = $checklist[$n];
 	return 0 unless ref $ref;
-	
+
 	my $i;
 	for ($i = 1; $i < @$ref; $i++) {
 		my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
 		return 0 unless $act;
-		next if $blank && $_[$i] =~ /^[ \*]$/;
+		next if $blank eq 'b' && $_[$i] =~ /^[ \*]$/;
+		next if $blank eq '*' && $_[$i] =~ /^\*$/;
 		if ($act eq 'c') {
 			return $i unless is_callsign($_[$i]);
-		} elsif ($act eq 'i') {			
+		} elsif ($act eq 'i') {
 			;					# do nothing
 		} elsif ($act eq 'm') {
 			return $i unless is_pctext($_[$i]);
@@ -198,21 +203,41 @@ sub check
 			return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
 		} elsif ($act eq 't') {
 			return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
-		} 
+		} elsif ($act eq 'l') {
+			return $i unless $_[$i] =~ /^[A-Z]$/;
+		} elsif ($act eq 'a') {
+			return $i unless is_ipaddr($_[$i]);
+		}
 	}
 	return 0;
 }
 
+sub update_pc92_next
+{
+	my $self = shift;
+	my $period = shift || ($self->{do_pc9x} ? $pc92_update_period : $pc92_extnode_update_period);
+	$self->{next_pc92_update} = $main::systime + $period - int rand($period / 4);
+	dbg("ROUTE: update_pc92_next: $self->{call} " . atime($self->{next_pc92_update})) if isdbg('obscount');
+}
+
+sub update_pc92_keepalive
+{
+	my $self = shift;
+	my $period = shift || $pc92_keepalive_period;
+	$self->{next_pc92_keepalive} = $main::systime + $period - int rand($period / 4);
+	dbg("ROUTE: update_pc92_keepalive: $self->{call} " . atime($self->{next_pc92_keepalive})) if isdbg('obscount');
+}
+
 sub init
 {
 	do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
 	confess $@ if $@;
 
-	my $user = DXUser->get($main::mycall);
+	my $user = DXUser::get($main::mycall);
 	die "User $main::mycall not setup or disappeared RTFM" unless $user;
-	
+
 	$myprot_version += $main::version*100;
-	$main::me = DXProt->new($main::mycall, 0, $user); 
+	$main::me = DXProt->new($main::mycall, 0, $user);
 	$main::me->{here} = 1;
 	$main::me->{state} = "indifferent";
 	$main::me->{sort} = 'S';    # S for spider
@@ -222,13 +247,17 @@ sub init
 	$main::me->{registered} = 1;
 	$main::me->{version} = $main::version;
 	$main::me->{build} = $main::build;
+	$main::me->{do_pc9x} = 1;
+	$main::me->{hostname} = $main::clusteraddr;
+	$main::me->update_pc92_next($pc92_short_update_period);
+	$main::me->update_pc92_keepalive;
 }
 
 #
 # obtain a new connection this is derived from dxchannel
 #
 
-sub new 
+sub new
 {
 	my $self = DXChannel::alloc(@_);
 
@@ -243,7 +272,7 @@ sub new
 		my @rout = $ref->delete;
 		$self->route_pc21($main::mycall, undef, @rout) if @rout;
 	}
-	$main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
+	$main::routeroot->add($call, '5000', Route::here(1), $self->{conn}->peerhost) if $call ne $main::mycall;
 
 	return $self;
 }
@@ -258,17 +287,19 @@ sub start
 	my $user = $self->{user};
 
 	# log it
-	my $host = $self->{conn}->{peerhost};
+	my $host = $self->{conn}->peerhost;
 	$host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
+	$host ||= $host if is_ipaddr($host);
 	$host ||= "unknown";
+	$self->{hostname} = $host;
 
 	Log('DXProt', "$call connected from $host");
-	
+
 	# remember type of connection
 	$self->{consort} = $line;
 	$self->{outbound} = $sort eq 'O';
 	my $priv = $user->priv;
-	$priv = $user->priv(1) unless $priv;
+	$priv = $user->priv(1) unless defined $priv;
 	$self->{priv} = $priv;     # other clusters can always be 'normal' users
 	$self->{lang} = $user->lang || 'en';
 	$self->{isolate} = $user->{isolate};
@@ -284,7 +315,8 @@ sub start
 	$self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
 	$self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
 	$self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
-	$self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
+	$self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate};
+	$self->{pc92filter} = Filter::read_in('pc92', $call, 0) || Filter::read_in('pc92', 'node_default', 0) unless $self->{isolate} ;
 
 
 	# get the INPUT filters (these only pertain to Clusters)
@@ -293,12 +325,14 @@ sub start
 	$self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
 	$self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
 	$self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
-	
+	$self->{inpc92filter} = Filter::read_in('pc92', $call, 0) || Filter::read_in('pc92', 'node_default', 0) unless $self->{isolate} ;
+
+
 	# set unbuffered and no echo
 	$self->send_now('B',"0");
 	$self->send_now('E',"0");
 	$self->conn->echo(0) if $self->conn->can('echo');
-	
+
 	# ping neighbour node stuff
 	my $ping = $user->pingint;
 	$ping = $pingint unless defined $ping;
@@ -308,12 +342,12 @@ sub start
 	$self->{pingave} = 999;
 	$self->{metric} ||= 100;
 	$self->{lastping} = $main::systime;
-	
+
 	# send initialisation string
 	unless ($self->{outbound}) {
 		$self->sendinit;
 	}
-	
+
 	$self->state('init');
 	$self->{pc50_t} = $main::systime;
 
@@ -323,6 +357,13 @@ sub start
 	# run a script send the output to the debug file
 	my $script = new Script(lc $call) || new Script('node_default');
 	$script->run($self) if $script;
+
+	# set up a config broadcast "quite soon" to converge tables quicker
+	$main::me->update_pc92_next($pc92_short_update_period);
+	$self->update_pc92_next($pc92_short_update_period);
+
+	# set next keepalive time
+	$self->update_pc92_keepalive;
 }
 
 #
@@ -332,7 +373,7 @@ sub start
 sub sendinit
 {
 	my $self = shift;
-	$self->send(pc18());
+	$self->send(pc18(($self->{isolate} || !$self->user->wantpc9x) ? "" : " pc9x"));
 }
 
 #
@@ -349,15 +390,15 @@ sub normal
 
 	my @field = split /\^/, $line;
 	return unless @field;
-	
+
 	pop @field if $field[-1] eq '~';
-	
+
 #	print join(',', @field), "\n";
-						
-	
+
+
 	# process PC frames, this will fail unless the frame starts PCnn
 	my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
-	unless (defined $pcno && $pcno >= 10 && $pcno <= 89) { # reject PC9x messages
+	unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
 		dbg("PCPROT: unknown protocol") if isdbg('chanerr');
 		return;
 	}
@@ -369,1390 +410,125 @@ sub normal
 		return;
 	}
 
-	my $origin = $self->{call};
-	no strict 'subs';
-	my $sub = "handle_$pcno";
-
-	if ($self->can($sub)) {
-		$self->$sub($pcno, $line, $origin, @field);
-	} else {
-		$self->handle_default($pcno, $line, $origin, @field);
-	}
-}
-	
-# incoming talk commands
-sub handle_10
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-
-	# rsfp check
-	return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
-			
-	# will we allow it at all?
-	if ($censorpc) {
-		my @bad;
-		if (@bad = BadWords::check($_[3])) {
-			dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
-			return;
-		}
-	}
-
-	# is it for me or one of mine?
-	my ($from, $to, $via, $call, $dxchan);
-	$from = $_[1];
-	if ($_[5] gt ' ') {
-		$via = $_[2];
-		$to = $_[5];
-	} else {
-		$to = $_[2];
-	}
-
-	# if this is a 'nodx' node then ignore it
-	if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
-		dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
-		return;
-	}
-
-	# if this is a 'bad spotter' user then ignore it
-	my $nossid = $from;
-	$nossid =~ s/-\d+$//;
-	if ($badspotter->in($nossid)) {
-		dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
-		return;
-	}
-
-	# if we are converting announces to talk is it a dup?
-	if ($ann_to_talk) {
-		if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
-			dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
-			return;
+	# modify the hop count here
+	if ($self != $main::me) {
+		if (my ($hops, $trail) = $line =~ /\^H(\d+)(\^?\~?)?$/) {
+			$trail ||= '';
+			$hops--;
+			return if $hops < 0;
+			$line =~ s/\^H(\d+)(\^?\~?)?$/sprintf('^H%d%s', $hops, $trail)/e;
+			$field[-1] = "H$hops";
 		}
 	}
 
-	# remember a route to this node and also the node on which this user is
-	RouteDB::update($_[6], $self->{call});
-#	RouteDB::update($to, $_[6]);
-
-	# it is here and logged on
-	$dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
-	$dxchan = DXChannel::get($to) unless $dxchan;
-	if ($dxchan && $dxchan->is_user) {
-		$_[3] =~ s/\%5E/^/g;
-		$dxchan->talk($from, $to, $via, $_[3]);
-		return;
+	if (defined &Local::pcprot) {
+		my $r;
+		eval { $r = Local::pcprot($self, $pcno, $line, @field); };
+		return if $r;			# i.e don't process it
 	}
 
-	# is it elsewhere, visible on the cluster via the to address?
-	# note: this discards the via unless the to address is on
-	# the via address
-	my ($ref, $vref);
-	if ($ref = Route::get($to)) {
-		$vref = Route::Node::get($via) if $via;
-		$vref = undef unless $vref && grep $to eq $_, $vref->users;
-		$ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
-		return;
-	}
+	# send it out for processing
+	my $origin = $self->{call};
+	no strict 'subs';
+	my $sub = "handle_$pcno";
 
-	# can we see an interface to send it down?
-	
-	# not visible here, send a message of condolence
-	$vref = undef;
-	$ref = Route::get($from);
-	$vref = $ref = Route::Node::get($_[6]) unless $ref; 
-	if ($ref) {
-		$dxchan = $ref->dxchan;
-		$dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
+	if ($self->can($sub)) {
+		$self->$sub($pcno, $line, $origin, \@field);
+	} else {
+		$self->handle_default($pcno, $line, $origin, \@field);
 	}
 }
 
-# DX Spot handling
-sub handle_11
+#
+# 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 $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-
-	# route 'foreign' pc26s 
-	if ($pcno == 26) {
-		if ($_[7] ne $main::mycall) {
-			$self->route($_[7], $line);
-			return;
-		}
-	}
-			
-	# rsfp check
-	#			return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
-	
-	# is the spotted callsign blank? This should really be trapped earlier but it
-	# could break other protocol sentences. Also check for lower case characters.
-	if ($_[2] =~ /^\s*$/) {
-		dbg("PCPROT: blank callsign, dropped") if isdbg('chanerr');
-		return;
-	}
-	if ($_[2] =~ /[a-z]/) {
-		dbg("PCPROT: lowercase characters, dropped") if isdbg('chanerr');
-		return;
-	}
+	my $t = time;
+	my @dxchan = DXChannel::get_all();
+	my $dxchan;
+	my $pc50s;
 
+	# every ten seconds
+	if ($t - $last10 >= 10) {
+		# clean out ephemera
 
-	# if this is a 'nodx' node then ignore it
-	if ($badnode->in($_[7])) {
-		dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
-		return;
-	}
-			
-	# if this is a 'bad spotter' user then ignore it
-	my $nossid = $_[6];
-	$nossid =~ s/-\d+$//;
-	if ($badspotter->in($nossid)) {
-		dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
-		return;
-	}
-			
-	# convert the date to a unix date
-	my $d = cltounix($_[3], $_[4]);
-	# bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
-	if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
-		dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
-		return;
-	}
+		eph_clean();
+		import_chat();
 
-	# is it 'baddx'
-	if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
-		dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
-		return;
-	}
-			
-	# do some de-duping
-	$_[5] =~ s/^\s+//;			# take any leading blanks off
-	$_[2] = unpad($_[2]);		# take off leading and trailing blanks from spotted callsign
-	if ($_[2] =~ /BUST\w*$/) {
-		dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
-		return;
-	}
-	if ($censorpc) {
-		my @bad;
-		if (@bad = BadWords::check($_[5])) {
-			dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
-			return;
-		}
-	}
+		$last10 = $t;
 
-	# remember a route
-#	RouteDB::update($_[7], $self->{call});
-#	RouteDB::update($_[6], $_[7]);
-	
-	my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $nossid, $_[7]);
-	# global spot filtering on INPUT
-	if ($self->{inspotsfilter}) {
-		my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
-		unless ($filter) {
-			dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
-			return;
+		# send out a pc50 on EVERY channel all at once
+		if ($t >= $last_pc50 + $pc50_interval) {
+			$pc50s = pc50($main::me, scalar DXChannel::get_all_users);
+			eph_dup($pc50s);
+			$last_pc50 = $t;
 		}
-	}
 
-	# this goes after the input filtering, but before the add
-	# so that if it is input filtered, it isn't added to the dup
-	# list. This allows it to come in from a "legitimate" source
-	if (Spot::dup(@spot[0..4,5])) {
-		dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
-		return;
-	}
+		foreach $dxchan (@dxchan) {
+			next unless $dxchan->is_node;
+			next if $dxchan == $main::me;
 
-	# add it 
-	Spot::add(@spot);
-
-	#
-	# @spot at this point contains:-
-	# freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
-	# then  spotted itu, spotted cq, spotters itu, spotters cq
-	# you should be able to route on any of these
-	#
-			
-	# fix up qra locators of known users 
-	my $user = DXUser->get_current($spot[4]);
-	if ($user) {
-		my $qra = $user->qra;
-		unless ($qra && is_qra($qra)) {
-			my $lat = $user->lat;
-			my $long = $user->long;
-			if (defined $lat && defined $long) {
-				$user->qra(DXBearing::lltoqra($lat, $long)); 
-				$user->put;
-			}
-		}
+			# send the pc50
+			$dxchan->send($pc50s) if !$dxchan->{do_pc9x} && $pc50s;
 
-		# send a remote command to a distant cluster if it is visible and there is no
-		# qra locator and we havn't done it for a month.
-
-		unless ($user->qra) {
-			my $node;
-			my $to = $user->homenode;
-			my $last = $user->lastoper || 0;
-			if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
-				my $cmd = "forward/opernam $spot[4]";
-				# send the rcmd but we aren't interested in the replies...
-				my $dxchan = $node->dxchan;
-				if ($dxchan && $dxchan->is_clx) {
-					route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
+			# send a ping out on this channel
+			if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
+				if ($dxchan->{nopings} <= 0) {
+					dbg("ROUTE: $dxchan->{call} disconnected on ping obscount") if isdbg('obscount');
+					$dxchan->disconnect;
 				} else {
-					route(undef, $to, pc34($main::mycall, $to, $cmd));
-				}
-				if ($to ne $_[7]) {
-					$to = $_[7];
-					$node = Route::Node::get($to);
-					if ($node) {
-						$dxchan = $node->dxchan;
-						if ($dxchan && $dxchan->is_clx) {
-							route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
-						} else {
-							route(undef, $to, pc34($main::mycall, $to, $cmd));
-						}
-					}
-				}
-				$user->lastoper($main::systime);
-				$user->put;
-			}
-		}
-	}
-				
-	# local processing 
-	my $r;
-	eval {
-		$r = Local::spot($self, @spot);
-	};
-	#			dbg("Local::spot1 error $@") if isdbg('local') if $@;
-	return if $r;
-
-	# DON'T be silly and send on PC26s!
-	return if $pcno == 26;
-
-	# send out the filtered spots
-	send_dx_spot($self, $line, @spot) if @spot;
-}
-		
-# announces
-sub handle_12
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-
-	#			return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
-
-	# announce duplicate checking
-	$_[3] =~ s/^\s+//;			# remove leading blanks
-
-	if ($censorpc) {
-		my @bad;
-		if (@bad = BadWords::check($_[3])) {
-			dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
-			return;
-		}
-	}
-
-	# if this is a 'nodx' node then ignore it
-	if ($badnode->in($_[5])) {
-		dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
-		return;
-	}
-
-	# if this is a 'bad spotter' user then ignore it
-	my $nossid = $_[1];
-	$nossid =~ s/-\d+$//;
-	if ($badspotter->in($nossid)) {
-		dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
-		return;
-	}
-
-
-	my $dxchan;
-	
-	if ((($dxchan = DXChannel::get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
-		$self->send_chat($line, @_[1..6]);
-	} elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
-
-		# remember a route
-#		RouteDB::update($_[5], $self->{call});
-#		RouteDB::update($_[1], $_[5]);
-
-		# ignore something that looks like a chat line coming in with sysop
-		# flag - this is a kludge...
-		if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
-			dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
-			return;
-		}
-
-		# here's a bit of fun, convert incoming ann with a callsign in the first word
-		# or one saying 'to <call>' to a talk if we can route to the recipient
-		if ($ann_to_talk) {
-			my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
-			if ($call) {
-				my $ref = Route::get($call);
-				if ($ref) {
-					$dxchan = $ref->dxchan;
-					$dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
-					return;
+					DXXml::Ping::add($main::me, $dxchan->call);
+					$dxchan->{nopings} -= 1;
+					$dxchan->{lastping} = $t;
+					$dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};
+					dbg("ROUTE: $dxchan->{call} ping obscount = $dxchan->{nopings}") if isdbg('obscount');
 				}
 			}
 		}
-	
-		# send it
-		$self->send_announce($line, @_[1..6]);
-	} else {
-		$self->route($_[2], $line);
-	}
-}
-
-
-sub handle_15
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-
-	if (eph_dup($line, $eph_pc15_restime)) {
-		dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
-	} else {
-		unless ($self->{isolate}) {
-			DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
-		}
-	}
-}
-		
-# incoming user		
-sub handle_16
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-
-	# general checks
-	my $dxchan;
-	my $ncall = $_[1];
-	my $newline = "PC16^";
-			
-	# dos I want users from this channel?
-	unless ($self->user->wantpc16) {
-		dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
-		return;
-	}
-	# is it me?
-	if ($ncall eq $main::mycall) {
-		dbg("PCPROT: trying to alter my config from outside!") if isdbg('chanerr');
-		return;
-	}
-	if (DXChannel::get($ncall) && $ncall ne $self->{call}) {
-		dbg("PCPROT: trying to alter locally connected $ncall from $self->{call}, ignored") if isdbg('chanerr');
-		return;
-	}
-
-	RouteDB::update($ncall, $self->{call});
-
-	# do we believe this call? 
-	unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
-		if (my $ivp = Investigate::get($ncall, $self->{call})) {
-			$ivp->store_pcxx($pcno,$line,$origin,@_);
-		} else {
-			dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
-		}
-		return;
-	}
-
-	if (eph_dup($line)) {
-		dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
-		return;
-	}
-
-	my $parent = Route::Node::get($ncall); 
-
-	# if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list, 
-	# fix it up in the routing tables and issue it forth before the PC16
-	unless ($parent) {
-		my $nl = $pc19list{$ncall};
-
-		if ($nl && @_ > 3) { # 3 because of the hop count!
 
-			# this is a new (remembered) node, now attach it to me if it isn't in filtered
-			# and we haven't disallowed it
-			my $user = DXUser->get_current($ncall);
-			if (!$user) {
-				$user = DXUser->new($ncall);
-				$user->sort('A');
-				$user->priv(1);	# I have relented and defaulted nodes
-				$user->lockout(1);
-				$user->homenode($ncall);
-				$user->node($ncall);
-			}
+		clean_pc92_find();
 
-			my $wantpc19 = $user->wantroutepc19;
-			if ($wantpc19 || !defined $wantpc19) {
-				my $new = Route->new($ncall); # throw away
-				if ($self->in_filter_route($new)) {
-					my @nrout;
-					for (@$nl) {
-						$parent = Route::Node::get($_->[0]);
-						$dxchan = $parent->dxchan if $parent;
-						if ($dxchan && $dxchan ne $self) {
-							dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
-							$parent = undef;
-						}
-						if ($parent) {
-							my $r = $parent->add($ncall, $_->[1], $_->[2]);
-							push @nrout, $r unless @nrout;
-						}
-					}
-					$user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route 
-					$user->lastin($main::systime) unless DXChannel::get($ncall);
-					$user->put;
-						
-					# route the pc19 - this will cause 'stuttering PC19s' for a while
-					$self->route_pc19($origin, $line, @nrout) if @nrout ;
-					$parent = Route::Node::get($ncall);
-					unless ($parent) {
-						dbg("PCPROT: lost $ncall after sending PC19 for it?");
-						return;
+		# send out config broadcasts
+		foreach $dxchan (@dxchan) {
+			next unless $dxchan->is_node;
+
+			# send out a PC92 config record if required for me and
+			# all my non pc9x dependent nodes. But for dependent nodes we only do
+			# this if we have not seen any from anyone else for at least half
+			# of one update period. This should stop quite a bit of excess C
+			# records. Someone will win, it does not really matter who, because
+			# we always believe "us".
+			if ($main::systime >= $dxchan->{next_pc92_update}) {
+				if ($dxchan == $main::me || !$dxchan->{do_pc9x}) {
+					dbg("ROUTE: pc92 broadcast candidate: $dxchan->{call}") if isdbg('obscount');
+					my $ref = Route::Node::get($dxchan->{call});
+					if ($dxchan == $main::me || ($ref && ($ref->measure_pc9x_t($main::systime-$main::systime_daystart)) >= $pc92_extnode_update_period/2)) {
+						$dxchan->broadcast_pc92_update($dxchan->{call});
+					} else {
+						$dxchan->update_pc92_next;
 					}
 				} else {
-					return;
-				}
-				delete $pc19list{$ncall};
-			}
-		} else {
-			dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
-			return;
-		}
-	} else {
-				
-		$dxchan = $parent->dxchan;
-		if ($dxchan && $dxchan ne $self) {
-			dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
-			return;
-		}
-
-		# input filter if required
-		return unless $self->in_filter_route($parent);
-	}
-
-	my $i;
-	my @rout;
-	for ($i = 2; $i < $#_; $i++) {
-		my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
-		next unless $call && $conf && defined $here && is_callsign($call);
-		next if $call eq $main::mycall;
-
-		eph_del_regex("^PC17\\^$call\\^$ncall");
-				
-		$conf = $conf eq '*';
-
-		# reject this if we think it is a node already
-		my $r = Route::Node::get($call);
-		my $u = DXUser->get_current($call) unless $r;
-		if ($r || ($u && $u->is_node)) {
-			dbg("PCPROT: $call is a node") if isdbg('chanerr');
-			next;
-		}
-				
-		$r = Route::User::get($call);
-		my $flags = Route::here($here)|Route::conf($conf);
-				
-		if ($r) {
-			my $au = $r->addparent($parent);					
-			if ($r->flags != $flags) {
-				$r->flags($flags);
-				$au = $r;
-			}
-			push @rout, $r if $au;
-		} else {
-			push @rout, $parent->add_user($call, $flags);
-		}
-		
-		# send info to all logged in thingies
-		$self->tell_login('loginu', "$ncall: $call") if DXUser->get_current($ncall)->is_local_node;
-		$self->tell_buddies('loginb', $call, $ncall);
-				
-		# add this station to the user database, if required
-#		$call =~ s/-\d+$//o;	# remove ssid for users
-		my $user = DXUser->get_current($call);
-		$user = DXUser->new($call) if !$user;
-		$user->homenode($parent->call) if !$user->homenode;
-		$user->node($parent->call);
-		$user->lastin($main::systime) unless DXChannel::get($call);
-		$user->put;
-	}
-	$self->route_pc16($origin, $line, $parent, @rout) if @rout;
-}
-		
-# remove a user
-sub handle_17
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	my $dxchan;
-	my $ncall = $_[2];
-	my $ucall = $_[1];
-
-	eph_del_regex("^PC16\\^$ncall.*$ucall");
-			
-	# do I want users from this channel?
-	unless ($self->user->wantpc16) {
-		dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
-		return;
-	}
-	if ($ncall eq $main::mycall) {
-		dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
-		return;
-	}
-
-	RouteDB::delete($ncall, $self->{call});
-
-	# do we believe this call? 
-	unless ($ncall eq $self->{call} || $self->is_believed($ncall)) {
-		if (my $ivp = Investigate::get($ncall, $self->{call})) {
-			$ivp->store_pcxx($pcno,$line,$origin,@_);
-		} else {
-			dbg("PCPROT: We don't believe $ncall on $self->{call}") if isdbg('chanerr');
-		}
-		return;
-	}
-
-	my $uref = Route::User::get($ucall);
-	unless ($uref) {
-		dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
-		return;
-	}
-	my $parent = Route::Node::get($ncall);
-	unless ($parent) {
-		dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
-		return;
-	}			
-
-	$dxchan = DXChannel::get($ncall);
-	if ($dxchan && $dxchan ne $self) {
-		dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
-		return;
-	}
-
-	# input filter if required and then remove user if present
-#		return unless $self->in_filter_route($parent);	
-	$parent->del_user($uref);
-
-	# send info to all logged in thingies
-	$self->tell_login('logoutu', "$ncall: $ucall") if DXUser->get_current($ncall)->is_local_node;
-	$self->tell_buddies('logoutb', $ucall, $ncall);
-
-	if (eph_dup($line)) {
-		dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
-		return;
-	}
-
-	$self->route_pc17($origin, $line, $parent, $uref);
-}
-		
-# link request
-sub handle_18
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	$self->state('init');	
-
-	# record the type and version offered
-	if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
-		$self->version(53 + $1);
-		$self->user->version(53 + $1);
-		$self->build(0 + $2);
-		$self->user->build(0 + $2);
-		unless ($self->is_spider) {
-			$self->user->sort('S');
-			$self->user->put;
-			$self->sort('S');
-		}
-		$self->{handle_xml}++ if DXXml::available() && $_[1] =~ /\bxml\b/;
-	} else {
-		$self->version(50.0);
-		$self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
-		$self->user->version($self->version);
-	}
-
-	# first clear out any nodes on this dxchannel
-	my $parent = Route::Node::get($self->{call});
-	my @rout = $parent->del_nodes;
-	$self->route_pc21($origin, $line, @rout, $parent) if @rout;
-	$self->send_local_config();
-	$self->send(pc20());
-}
-		
-# incoming cluster list
-sub handle_19
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-
-	my $i;
-	my $newline = "PC19^";
-
-	# new routing list
-	my @rout;
-
-	# first get the INTERFACE node
-	my $parent = Route::Node::get($self->{call});
-	unless ($parent) {
-		dbg("DXPROT: my parent $self->{call} has disappeared");
-		$self->disconnect;
-		return;
-	}
-
-	# if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
-	if ($origin ne $self->call) {
-		my $op = Route::Node::get($origin);
-		unless ($op) {
-			$op = $parent->add($origin, 5000, Route::here(1));
-			my $user = DXUser->get_current($origin);
-			if (!$user) {
-				$user = DXUser->new($origin);
-				$user->priv(1);		# I have relented and defaulted nodes
-				$user->lockout(1);
-				$user->homenode($origin);
-				$user->node($origin);
-				$user->wantroutepc19(1);
-			}
-			$user->sort('A') unless $user->is_node;
-			$user->put;
-		}
-		$parent = $op;
-	}
-
-	# parse the PC19
-	for ($i = 1; $i < $#_-1; $i += 4) {
-		my $here = $_[$i];
-		my $call = uc $_[$i+1];
-		my $conf = $_[$i+2];
-		my $ver = $_[$i+3];
-		next unless defined $here && defined $conf && is_callsign($call);
-
-		eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
-				
-		# check for sane parameters
-		#				$ver = 5000 if $ver eq '0000';
-		next unless $ver && $ver =~ /^\d+$/;
-		next if $ver < 5000;	# only works with version 5 software
-		next if length $call < 3; # min 3 letter callsigns
-		next if $call eq $main::mycall;
-
-		# check that this PC19 isn't trying to alter the wrong dxchan
-		my $dxchan = DXChannel::get($call);
-		if ($dxchan && $dxchan != $self) {
-			dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
-			next;
-		}
-
-		# add this station to the user database, if required (don't remove SSID from nodes)
-		my $user = DXUser->get_current($call);
-		if (!$user) {
-			$user = DXUser->new($call);
-			$user->priv(1);		# I have relented and defaulted nodes
-			$user->lockout(1);
-			$user->homenode($call);
-			$user->node($call);
-		}
-		$user->sort('A') unless $user->is_node;
-
-		RouteDB::update($call, $self->{call});
-
-		# do we believe this call?
-		my $genline = "PC19^$here^$call^$conf^$ver^$_[-1]^"; 
-		unless ($call eq $self->{call} || $self->is_believed($call)) {
-			my $pt = $user->lastping($self->{call}) || 0;
-			if ($pt+$investigation_int < $main::systime && !Investigate::get($call, $self->{call})) {
-				my $ivp  = Investigate->new($call, $self->{call});
-				$ivp->version($ver);
-				$ivp->here($here);
-				$ivp->store_pcxx($pcno,$genline,$origin,'PC19',$here,$call,$conf,$ver,$_[-1]);
-			} else {
-				dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
-			}
-			$user->put;
-			next;
-		}
-
-		if (eph_dup($genline)) {
-			dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
-			next;
-		}
-
-		my $r = Route::Node::get($call);
-		my $flags = Route::here($here)|Route::conf($conf);
-
-		# modify the routing table if it is in it, otherwise store it in the pc19list for now
-		if ($r) {
-			my $ar;
-			if ($call ne $parent->call) {
-				if ($self->in_filter_route($r)) {
-					$ar = $parent->add($call, $ver, $flags);
-					push @rout, $ar if $ar;
-				} else {
-					next;
-				}
-			}
-			if ($r->version ne $ver || $r->flags != $flags) {
-				$r->version($ver);
-				$r->flags($flags);
-				push @rout, $r unless $ar;
-			}
-		} else {
-
-			# if he is directly connected or allowed then add him, otherwise store him up for later
-			if ($call eq $self->{call} || $user->wantroutepc19) {
-				my $new = Route->new($call); # throw away
-				if ($self->in_filter_route($new)) {
-					my $ar = $parent->add($call, $ver, $flags);
-					$user->wantroutepc19(1) unless defined $user->wantroutepc19;
-					push @rout, $ar if $ar;
-				} else {
-					next;
-				}
-			} else {
-				$pc19list{$call} = [] unless exists $pc19list{$call};
-				my $nl = $pc19list{$call};
-				push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
-			}
-		}
-
-		# unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
-		my $mref = DXMsg::get_busy($call);
-		$mref->stop_msg($call) if $mref;
-				
-		$user->lastin($main::systime) unless DXChannel::get($call);
-		$user->put;
-	}
-
-
-	$self->route_pc19($origin, $line, @rout) if @rout;
-}
-		
-# send local configuration
-sub handle_20
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	$self->send_local_config();
-	$self->send(pc22());
-	$self->state('normal');
-	$self->{lastping} = 0;
-}
-		
-# delete a cluster from the list
-sub handle_21
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	my $call = uc $_[1];
-
-	eph_del_regex("^PC1[679].*$call");
-			
-	# if I get a PC21 from the same callsign as self then treat it
-	# as a PC39: I have gone away
-	if ($call eq $self->call) {
-		$self->disconnect(1);
-		return;
-	}
-
-	RouteDB::delete($call, $self->{call});
-
-	# check if we believe this
-	unless ($call eq $self->{call} || $self->is_believed($call)) {
-		if (my $ivp = Investigate::get($call, $self->{call})) {
-			$ivp->store_pcxx($pcno,$line,$origin,@_);
-		} else {
-			dbg("PCPROT: We don't believe $call on $self->{call}") if isdbg('chanerr');
-		}
-		return;
-	}
-
-	# check to see if we are in the pc19list, if we are then don't bother with any of
-	# this routing table manipulation, just remove it from the list and dump it
-	my @rout;
-	if (my $nl = $pc19list{$call}) {
-		$pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
-		delete $pc19list{$call} unless @{$pc19list{$call}};
-	} else {
-				
-		my $parent = Route::Node::get($self->{call});
-		unless ($parent) {
-			dbg("DXPROT: my parent $self->{call} has disappeared");
-			$self->disconnect;
-			return;
-		}
-		if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
-			my $node = Route::Node::get($call);
-			if ($node) {
-						
-				my $dxchan = DXChannel::get($call);
-				if ($dxchan && $dxchan != $self) {
-					dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
-					return;
-				}
-						
-				# input filter it
-				return unless $self->in_filter_route($node);
-						
-				# routing objects
-				push @rout, $node->del($parent);
-			}
-		} else {
-			dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
-			return;
-		}
-	}
-
-	$self->route_pc21($origin, $line, @rout) if @rout;
-}
-		
-
-sub handle_22
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	$self->state('normal');
-	$self->{lastping} = 0;
-}
-				
-# WWV info
-sub handle_23
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-			
-	# route foreign' pc27s 
-	if ($pcno == 27) {
-		if ($_[8] ne $main::mycall) {
-			$self->route($_[8], $line);
-			return;
-		}
-	}
-
-	# only do a rspf check on PC23 (not 27)
-	if ($pcno == 23) {
-		return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
-	}
-
-	# do some de-duping
-	my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
-	my $sfi = unpad($_[3]);
-	my $k = unpad($_[4]);
-	my $i = unpad($_[5]);
-	my ($r) = $_[6] =~ /R=(\d+)/;
-	$r = 0 unless $r;
-	if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
-		dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
-		return;
-	}
-
-	# global wwv filtering on INPUT
-	my @dxcc = ((Prefix::cty_data($_[7]))[0..2], (Prefix::cty_data($_[8]))[0..2]);
-	if ($self->{inwwvfilter}) {
-		my ($filter, $hops) = $self->{inwwvfilter}->it(@_[7,8], $origin, @dxcc);
-		unless ($filter) {
-			dbg("PCPROT: Rejected by input wwv filter") if isdbg('chanerr');
-			return;
-		}
-	}
-	$_[7] =~ s/-\d+$//o;		# remove spotter's ssid
-	if (Geomag::dup($d,$sfi,$k,$i,$_[6],$_[7])) {
-		dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
-		return;
-	}
-		
-	# note this only takes the first one it gets
-	Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
-
-	my $rep;
-	eval {
-		$rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
-	};
-	#			dbg("Local::wwv2 error $@") if isdbg('local') if $@;
-	return if $rep;
-
-	# DON'T be silly and send on PC27s!
-	return if $pcno == 27;
-
-	# broadcast to the eager world
-	send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
-}
-		
-# set here status
-sub handle_24
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	my $call = uc $_[1];
-	my ($nref, $uref);
-	$nref = Route::Node::get($call);
-	$uref = Route::User::get($call);
-	return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
-			
-	if (eph_dup($line)) {
-		dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
-		return;
-	}
-	
-	$nref->here($_[2]) if $nref;
-	$uref->here($_[2]) if $uref;
-	my $ref = $nref || $uref;
-	return unless $self->in_filter_route($ref);
-
-	$self->route_pc24($origin, $line, $ref, $_[3]);
-}
-		
-# merge request
-sub handle_25
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	if ($_[1] ne $main::mycall) {
-		$self->route($_[1], $line);
-		return;
-	}
-	if ($_[2] eq $main::mycall) {
-		dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
-		return;
-	}
-
-	Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
-			
-	# spots
-	if ($_[3] > 0) {
-		my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
-		my $in;
-		foreach $in (@in) {
-			$self->send(pc26(@{$in}[0..4], $_[2]));
-		}
-	}
-
-	# wwv
-	if ($_[4] > 0) {
-		my @in = reverse Geomag::search(0, $_[4], time, 1);
-		my $in;
-		foreach $in (@in) {
-			$self->send(pc27(@{$in}[0..5], $_[2]));
-		}
-	}
-}
-
-sub handle_26 {goto &handle_11}
-sub handle_27 {goto &handle_23}
-
-# mail/file handling
-sub handle_28
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	if ($_[1] eq $main::mycall) {
-		no strict 'refs';
-		my $sub = "DXMsg::handle_$pcno";
-		&$sub($self, @_);
-	} else {
-		$self->route($_[1], $line) unless $self->is_clx;
-	}
-}
-
-sub handle_29 {goto &handle_28}
-sub handle_30 {goto &handle_28}
-sub handle_31 {goto &handle_28}
-sub handle_32 {goto &handle_28}
-sub handle_33 {goto &handle_28}
-		
-sub handle_34
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	if (eph_dup($line, $eph_pc34_restime)) {
-		dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
-	} else {
-		$self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
-	}
-}
-		
-# remote command replies
-sub handle_35
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
-	$self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
-}
-		
-sub handle_36 {goto &handle_34}
-
-# database stuff
-sub handle_37
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	if ($_[1] eq $main::mycall) {
-		no strict 'refs';
-		my $sub = "DXDb::handle_$pcno";
-		&$sub($self, @_);
-	} else {
-		$self->route($_[1], $line) unless $self->is_clx;
-	}
-}
-
-# node connected list from neighbour
-sub handle_38
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-}
-		
-# incoming disconnect
-sub handle_39
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	if ($_[1] eq $self->{call}) {
-		$self->disconnect(1);
-	} else {
-		dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
-	}
-}
-
-sub handle_40 {goto &handle_28}
-		
-# user info
-sub handle_41
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	my $call = $_[1];
-
-	my $l = $line;
-	$l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
-	if (eph_dup($l, $eph_info_restime)) {
-		dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
-		return;
-	}
-			
-	# input filter if required
-	#			my $ref = Route::get($call) || Route->new($call);
-	#			return unless $self->in_filter_route($ref);
-
-	if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
-		dbg('PCPROT: invalid value') if isdbg('chanerr');
-		return;
-	}
-
-	# add this station to the user database, if required
-	my $user = DXUser->get_current($call);
-	$user = DXUser->new($call) unless $user;
-			
-	if ($_[2] == 1) {
-		$user->name($_[3]);
-	} elsif ($_[2] == 2) {
-		$user->qth($_[3]);
-	} elsif ($_[2] == 3) {
-		if (is_latlong($_[3])) {
-			my ($lat, $long) = DXBearing::stoll($_[3]);
-			$user->lat($lat);
-			$user->long($long);
-			$user->qra(DXBearing::lltoqra($lat, $long));
-		} else {
-			dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
-			return;
-		}
-	} elsif ($_[2] == 4) {
-		$user->homenode($_[3]);
-	} elsif ($_[2] == 5) {
-		if (is_qra(uc $_[3])) {
-			my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
-			$user->lat($lat);
-			$user->long($long);
-			$user->qra(uc $_[3]);
-		} else {
-			dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
-			return;
-		}
-	}
-	$user->lastoper($main::systime); # to cut down on excessive for/opers being generated
-	$user->put;
-
-	unless ($self->{isolate}) {
-		DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
-	}
-
-	#  perhaps this IS what we want after all
-	#			$self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
-}
-
-sub handle_42 {goto &handle_28}
-
-
-# database
-sub handle_44 {goto &handle_37}
-sub handle_45 {goto &handle_37}
-sub handle_46 {goto &handle_37}
-sub handle_47 {goto &handle_37}
-sub handle_48 {goto &handle_37}
-		
-# message and database
-sub handle_49
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-
-	if (eph_dup($line)) {
-		dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
-		return;
-	}
-	
-	if ($_[1] eq $main::mycall) {
-		DXMsg::handle_49($self, @_);
-	} else {
-		$self->route($_[1], $line) unless $self->is_clx;
-	}
-}
-
-# keep alive/user list
-sub handle_50
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-
-	my $call = $_[1];
-
-	RouteDB::update($call, $self->{call});
-
-	my $node = Route::Node::get($call);
-	if ($node) {
-		return unless $node->call eq $self->{call};
-		$node->usercount($_[2]);
-
-		# input filter if required
-		return unless $self->in_filter_route($node);
-
-		$self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
-	}
-}
-		
-# incoming ping requests/answers
-sub handle_51
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	my $to = $_[1];
-	my $from = $_[2];
-	my $flag = $_[3];
-
-			
-	# is it for us?
-	if ($to eq $main::mycall) {
-		if ($flag == 1) {
-			$self->send(pc51($from, $to, '0'));
-		} else {
-			DXXml::Ping::handle_ping_reply($self, $from);
-		}
-	} else {
-
-		RouteDB::update($from, $self->{call});
-
-		if (eph_dup($line)) {
-			dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
-			return;
-		}
-		# route down an appropriate thingy
-		$self->route($to, $line);
-	}
-}
-
-# dunno but route it
-sub handle_75
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	my $call = $_[1];
-	if ($call ne $main::mycall) {
-		$self->route($call, $line);
-	}
-}
-
-# WCY broadcasts
-sub handle_73
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	my $call = $_[1];
-			
-	# do some de-duping
-	my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
-	if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
-		dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
-		return;
-	}
-	@_ = map { unpad($_) } @_;
-	if (WCY::dup($d)) {
-		dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
-		return;
-	}
-		
-	my $wcy = WCY::update($d, @_[2..12]);
-
-	my $rep;
-	eval {
-		$rep = Local::wcy($self, @_[1..12]);
-	};
-	# dbg("Local::wcy error $@") if isdbg('local') if $@;
-	return if $rep;
-
-	# broadcast to the eager world
-	send_wcy_spot($self, $line, $d, @_[2..12]);
-}
-
-# remote commands (incoming)
-sub handle_84
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	$self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
-}
-
-# remote command replies
-sub handle_85
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	$self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
-}
-
-# 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!!!!
-#
-
-sub handle_default
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-
-	if (eph_dup($line)) {
-		dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
-	} else {
-		unless ($self->{isolate}) {
-			DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # 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;
-	my $pc50s;
-	
-	# send out a pc50 on EVERY channel all at once
-	if ($t >= $last_pc50 + $DXProt::pc50_interval) {
-		$pc50s = pc50($main::me, scalar DXChannel::get_all_users);
-		eph_dup($pc50s);
-		$last_pc50 = $t;
-	}
-
-	foreach $dxchan (@dxchan) {
-		next unless $dxchan->is_node;
-		next if $dxchan->handle_xml;
-		next if $dxchan == $main::me;
-
-		# send the pc50
-		$dxchan->send($pc50s) if $pc50s;
-		
-		# send a ping out on this channel
-		if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
-			if ($dxchan->{nopings} <= 0) {
-				$dxchan->disconnect;
-			} else {
-				DXXml::Ping::add($main::me, $dxchan->call);
-				$dxchan->{nopings} -= 1;
-				$dxchan->{lastping} = $t;
-				$dxchan->{lastping} += $dxchan->{pingint} / 2 unless @{$dxchan->{pingtime}};
+					$dxchan->update_pc92_next; # this won't actually do anything, it's just to be tidy
+				}
 			}
 		}
-	}
-
-	Investigate::process();
-
-	# every ten seconds
-	if ($t - $last10 >= 10) {	
-		# clean out ephemera 
 
-		eph_clean();
-		import_chat();
-		
+		# do the keepalive for me, if required
+		if ($main::systime >= $main::me->{next_pc92_keepalive}) {
+			time_out_pc92_routes();
+			$main::me->broadcast_pc92_keepalive($main::mycall);
+		}
 
-		$last10 = $t;
+		if ($pc92_slug_changes && $main::systime >= $last_pc92_slug + $pc92_slug_changes) {
+			my ($add, $del) = gen_pc92_changes();
+			$main::me->route_pc92d($main::mycall, undef, $main::routeroot, @$del) if @$del;
+			$main::me->route_pc92a($main::mycall, undef, $main::routeroot, @$add) if @$add;
+			clear_pc92_changes();
+		}
 	}
-	
+
 	if ($main::systime - 3600 > $last_hour) {
 		$last_hour = $main::systime;
 	}
@@ -1773,13 +549,22 @@ sub send_dx_spot
 	my $line = shift;
 	my @dxchan = DXChannel::get_all();
 	my $dxchan;
-	
+	my $pc11;
+
 	# 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 == $main::me;
 		next if $dxchan == $self && $self->is_node;
-		$dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
+		if ($line =~ /PC61/ && !($dxchan->is_spider || $dxchan->is_user)) {
+			unless ($pc11) {
+				my @f = split /\^/, $line;
+				$pc11 = join '^', 'PC11', @f[1..7,9];
+			}
+			$dxchan->dx_spot($pc11, $self->{isolate}, @_, $self->{call});
+		} else {
+			$dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
+		}
 	}
 }
 
@@ -1844,7 +629,7 @@ sub wwv
 	my $line = shift;
 	my $isolate = shift;
 	my ($filter, $hops);
-	
+
 	if ($self->{wwvfilter}) {
 		($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
 		return unless $filter;
@@ -1859,7 +644,7 @@ sub send_wcy_spot
 	my @dxchan = DXChannel::get_all();
 	my $dxchan;
 	my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
-	
+
 	# 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) {
@@ -1888,33 +673,35 @@ sub wcy
 sub send_announce
 {
 	my $self = shift;
+	my $from_pc9x = shift;
 	my $line = shift;
 	my @dxchan = DXChannel::get_all();
 	my $dxchan;
-	my $target;
+	my $target = $_[6];
 	my $to = 'To ';
 	my $text = unpad($_[2]);
-				
+	my $from = $_[0];
+
 	if ($_[3] eq '*') {	# sysops
 		$target = "SYSOP";
 	} elsif ($_[3] gt ' ') { # speciality list handling
-		my ($name) = split /\./, $_[3]; 
-		$target = "$name"; # put the rest in later (if bothered) 
-	} 
-	
+		my ($name) = split /\./, $_[3];
+		$target = "$name"; # put the rest in later (if bothered)
+	}
+
 	if ($_[5] eq '1') {
-		$target = "WX"; 
+		$target = "WX";
 		$to = '';
 	}
 	$target = "ALL" if !$target;
 
 
-	# obtain country codes etc 
-	my @a = Prefix::cty_data($_[0]);
+	# obtain country codes etc
+	my @a = Prefix::cty_data($from);
 	my @b = Prefix::cty_data($_[4]);
 	if ($self->{inannfilter}) {
-		my ($filter, $hops) = 
-			$self->{inannfilter}->it(@_, $self->{call}, 
+		my ($filter, $hops) =
+			$self->{inannfilter}->it(@_, $self->{call},
 									 @a[0..2],
 									 @b[0..2], $a[3], $b[3]);
 		unless ($filter) {
@@ -1923,24 +710,35 @@ sub send_announce
 		}
 	}
 
-	if (AnnTalk::dup($_[0], $_[1], $_[2])) {
-		dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
-		return;
+	# the sysop ('*') thing is an attempt to minimise the damage caused by non-updated PC93 generators
+	if (AnnTalk::dup($from, $target, $_[2]) || ($_[3] eq '*' && AnnTalk::dup($from, 'ALL', $_[2]))) {
+		my $dxchan = DXChannel::get($from);
+		if ($self == $main::me && $dxchan && $dxchan->is_user) {
+			if ($dxchan->priv < 5) {
+				$dxchan->send($dxchan->msg('dup'));
+				return;
+			}
+		} else {
+			dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
+			return;
+		}
 	}
 
-	Log('ann', $target, $_[0], $text);
+	Log('ann', $target, $from, $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) {
 		next if $dxchan == $main::me;
 		next if $dxchan == $self && $self->is_node;
+		next if $from_pc9x && $dxchan->{do_pc9x};
+		next if $target eq 'LOCAL' && $dxchan->is_node;
 		$dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
 						  @a[0..2], @b[0..2]);
 	}
 }
 
-my $msgid = 0;
+my $msgid = int rand(1000);
 
 sub nextchatmsgid
 {
@@ -1953,24 +751,26 @@ sub nextchatmsgid
 sub send_chat
 {
 	my $self = shift;
+	my $from_pc9x = shift;
 	my $line = shift;
 	my @dxchan = DXChannel::get_all();
 	my $dxchan;
 	my $target = $_[3];
 	my $text = unpad($_[2]);
 	my $ak1a_line;
-				
+	my $from = $_[0];
+
 	# munge the group and recast the line if required
 	if ($target =~ s/\.LST$//) {
 		$ak1a_line = $line;
 	}
-	
-	# obtain country codes etc 
-	my @a = Prefix::cty_data($_[0]);
+
+	# obtain country codes etc
+	my @a = Prefix::cty_data($from);
 	my @b = Prefix::cty_data($_[4]);
 	if ($self->{inannfilter}) {
-		my ($filter, $hops) = 
-			$self->{inannfilter}->it(@_, $self->{call}, 
+		my ($filter, $hops) =
+			$self->{inannfilter}->it(@_, $self->{call},
 									 @a[0..2],
 									 @b[0..2], $a[3], $b[3]);
 		unless ($filter) {
@@ -1979,30 +779,34 @@ sub send_chat
 		}
 	}
 
-	if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
-		dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
-		return;
+	if (AnnTalk::dup($from, $target, $_[2], $main::systime + $chatdupeage)) {
+		my $dxchan = DXChannel::get($from);
+		if ($self == $main::me && $dxchan && $dxchan->is_user) {
+			if ($dxchan->priv < 5) {
+				$dxchan->send($dxchan->msg('dup'));
+				return;
+			}
+		} else {
+			dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
+			return;
+		}
 	}
 
 
-	Log('chat', $target, $_[0], $text);
+	Log('chat', $target, $from, $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 $is_ak1a = $dxchan->is_ak1a;
-		
 		if ($dxchan->is_node) {
 			next if $dxchan == $main::me;
 			next if $dxchan == $self;
-			next unless $dxchan->is_spider || $is_ak1a;
+			next if $from_pc9x && $dxchan->do_pc9x;
+			next unless $dxchan->is_spider && $dxchan->do_pc9x;
 			next if $target eq 'LOCAL';
-			if (!$ak1a_line && $is_ak1a) {
-				$ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
-			}
 		}
-		
-		$dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1], 
+
+		$dxchan->chat($line, $self->{isolate}, $target, $_[1],
 					  $text, @_, $self->{call}, @a[0..2], @b[0..2]);
 	}
 }
@@ -2026,28 +830,53 @@ sub announce
 
 sub chat
 {
-	goto &announce;
+	my $self = shift;
+	my $line = shift;
+	my $isolate = shift;
+	my $to = shift;
+	my $target = shift;
+	my $text = shift;
+	my ($filter, $hops);
+
+	if ($self->{annfilter}) {
+		($filter, $hops) = $self->{annfilter}->it(@_);
+		return unless $filter;
+	}
+	if (($self->is_spider || $self->is_ak1a) && $_[1] ne $main::mycall) {
+		send_prot_line($self, $filter, $hops, $isolate, $line);
+	}
 }
 
 
 sub send_local_config
 {
 	my $self = shift;
+
+	dbg('DXProt::send_local_config') if isdbg('trace');
+
+	# send our nodes
 	my $node;
 	my @nodes;
 	my @localnodes;
 	my @remotenodes;
 
-	dbg('DXProt::send_local_config') if isdbg('trace');
-	
-	# send our nodes
 	if ($self->{isolate}) {
+		dbg("send_local_config: isolated");
 		@localnodes = ( $main::routeroot );
 		$self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
+	} elsif ($self->{do_pc9x}) {
+		dbg("send_local_config: doing pc9x");
+		my $node = Route::Node::get($self->{call});
+#		$self->send_last_pc92_config($main::routeroot);
+#		$self->send(pc92a($main::routeroot, $node)) unless $main::routeroot->last_PC92C =~ /$self->{call}/;
+		$self->send(pc92a($main::routeroot, $node));
+		$self->send(pc92k($main::routeroot));
 	} else {
 		# create a list of all the nodes that are not connected to this connection
 		# and are not themselves isolated, this to make sure that isolated nodes
-        # don't appear outside of this node
+		# don't appear outside of this node
+
+		dbg("send_local_config: traditional");
 
 		# send locally connected nodes
 		my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
@@ -2057,26 +886,133 @@ sub send_local_config
 		my $node;
 		my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
 		my @intcalls;
-		for $node (@rawintcalls) {
-			push @intcalls, $node unless grep $node eq $_, @intcalls; 
+		foreach $node (@rawintcalls) {
+			push @intcalls, $node if grep $_ && $node != $_, @intcalls;
 		}
 		my $ref = Route::Node::get($self->{call});
 		my @rnodes = $ref->nodes;
-		for $node (@intcalls) {
-			push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
+		foreach $node (@intcalls) {
+			push @remotenodes, Route::Node::get($node) if grep $_ && $node != $_, @rnodes, @remotenodes;
 		}
 		$self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
 	}
-	
+
 	# get all the users connected on the above nodes and send them out
-	foreach $node ($main::routeroot, @localnodes, @remotenodes) {
-		if ($node) {
-			my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
-			$self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
+	unless ($self->{do_pc9x}) {
+		foreach $node ($main::routeroot, @localnodes, @remotenodes) {
+			if ($node) {
+				my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
+				$self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
+			} else {
+				dbg("sent a null value") if isdbg('chanerr');
+			}
+		}
+	}
+}
+
+sub gen_my_pc92_config
+{
+	my $node = shift;
+
+	if ($node->{call} eq $main::mycall) {
+		clear_pc92_changes();		# remove any slugged data, we are generating it as now
+		my @dxchan = grep { $_->call ne $main::mycall && !$_->{isolate} } DXChannel::get_all();
+		dbg("ROUTE: all dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');
+		my @localnodes = map { my $r = Route::get($_->{call}); $r ? $r : () } @dxchan;
+		dbg("ROUTE: localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');
+		return pc92c($node, @localnodes);
+	} else {
+		my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
+		return pc92c($node, @rout);
+	}
+}
+
+sub send_last_pc92_config
+{
+	my $self = shift;
+	my $node = shift;
+	if (my $l = $node->last_PC92C) {
+		$self->send($l);
+	} else {
+		$self->send_pc92_config($node);
+	}
+}
+
+sub send_pc92_config
+{
+	my $self = shift;
+	my $node = shift;
+
+	dbg('DXProt::send_pc92_config') if isdbg('trace');
+
+	$node->last_PC92C(gen_my_pc92_config($node));
+	$self->send($node->last_PC92C);
+}
+
+sub broadcast_pc92_update
+{
+	my $self = shift;
+	my $call = shift;
+
+	dbg("ROUTE: broadcast_pc92_update $call") if isdbg('obscount');
+
+	my $nref = Route::Node::get($call);
+	unless ($nref) {
+		cluck("ERROR: broadcast_pc92_update - Route::Node $call disappeared");
+		$self->update_pc92_next;
+		return;
+	}
+	my $l = $nref->last_PC92C(gen_my_pc92_config($nref));
+	$nref->lastid(last_pc9x_id());
+	$main::me->broadcast_route_pc9x($main::mycall, undef, $l, 0);
+	$self->update_pc92_next;
+}
+
+sub broadcast_pc92_keepalive
+{
+	my $self = shift;
+	my $call = shift;
+
+	dbg("ROUTE: broadcast_pc92_keepalive $call") if isdbg('obscount');
+
+	my $nref = Route::Node::get($call);
+	unless ($nref) {
+		cluck("ERROR: broadcast_pc92_keepalive - Route::Node $call disappeared");
+		$self->update_pc92_keepalive;
+		return;
+	}
+	my $l = pc92k($nref);
+	$nref->lastid(last_pc9x_id());
+	$main::me->broadcast_route_pc9x($main::mycall, undef, $l, 0);
+	$self->update_pc92_keepalive;
+}
+
+sub time_out_pc92_routes
+{
+	my @nodes = grep {$_->call ne $main::mycall && ($_->do_pc9x || $_->via_pc92)} Route::Node::get_all();
+	my @rdel;
+	foreach my $n (@nodes) {
+		my $o = $n->dec_obs;
+		if ($o <= 0) {
+			if (my $dxchan = DXChannel::get($n->call)) {
+				dbg("ROUTE: disconnecting local pc92 $dxchan->{call} on obscount") if isdbg('obscount');
+				$dxchan->disconnect;
+				next;
+			}
+			my @parents = map {Route::Node::get($_)} $n->parents;
+			for (@parents) {
+				if ($_) {
+					dbg("ROUTE: deleting pc92 $_->{call} from $n->{call} on obscount")  if isdbg('obscount');
+					push @rdel, $n->del($_);
+				}
+			}
 		} else {
-			dbg("sent a null value") if isdbg('chanerr');
+			dbg("ROUTE: obscount on $n->{call} now $o") if isdbg('obscount');
 		}
 	}
+	for (@rdel) {
+		$main::me->route_pc21($main::mycall, undef, $_) if $_;
+	}
 }
 
 #
@@ -2110,19 +1046,6 @@ sub route
 		}
 	}
 
-	# try the backstop method
-	unless ($dxchan) {
-		my $rcall = RouteDB::get($call);
-		if ($rcall) {
-			if ($self && $rcall eq $self->{call}) {
-				dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
-				return;
-			}
-			$dxchan = DXChannel::get($rcall);
-			dbg("route: $call -> $rcall using RouteDB" ) if isdbg('route') && $dxchan;
-		}
-	}
-
 	if ($dxchan) {
 		my $routeit = adjust_hops($dxchan, $line);   # adjust its hop count by node name
 		if ($routeit) {
@@ -2134,7 +1057,7 @@ sub route
 }
 
 #
-# obtain the hops from the list for this callsign and pc no 
+# obtain the hops from the list for this callsign and pc no
 #
 
 sub get_hops
@@ -2142,11 +1065,11 @@ sub get_hops
 	my $pcno = shift;
 	my $hops = $DXProt::hopcount{$pcno};
 	$hops = $DXProt::def_hopcount if !$hops;
-	return "H$hops";       
+	return "H$hops";
 }
 
-# 
-# adjust the hop count on a per node basis using the user loadable 
+#
+# adjust the hop count on a per node basis using the user loadable
 # hop table if available or else decrement an existing one
 #
 
@@ -2156,8 +1079,8 @@ sub adjust_hops
 	my $s = shift;
 	my $call = $self->{call};
 	my $hops;
-	
-	if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
+
+	if (($hops) = $s =~ /\^H([-\d]+)\^?~?$/o) {
 		my ($pcno) = $s =~ /^PC(\d\d)/o;
 		confess "$call called adjust_hops with '$s'" unless $pcno;
 		my $ref = $nodehops{$call} if %nodehops;
@@ -2166,19 +1089,17 @@ sub adjust_hops
 			return "" if defined $newhops && $newhops == 0;
 			$newhops = $ref->{default} unless $newhops;
 			return "" if defined $newhops && $newhops == 0;
-			$newhops = $hops if !$newhops;
-			$s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
+			$newhops = $hops unless $newhops;
+			return "" unless $newhops > 0;
+			$s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops != $hops;
 		} else {
-			# simply decrement it
-			$hops--;
-			return "" if !$hops;
-			$s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
+			return "" unless $hops > 0;
 		}
 	}
 	return $s;
 }
 
-# 
+#
 # load hop tables
 #
 sub load_hops
@@ -2194,10 +1115,20 @@ sub process_rcmd
 {
 	my ($self, $tonode, $fromnode, $user, $cmd) = @_;
 	if ($tonode eq $main::mycall) {
-		my $ref = DXUser->get_current($fromnode);
+		my $ref = DXUser::get_current($fromnode);
+		unless ($ref && UNIVERSAL::isa($ref, 'DXUser')) {
+			dbg("DXProt process_rcmd: user $fromnode isn't a reference (check user_asc and tell G1TLH)"); 
+			$self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
+			return;
+		}
 		my $cref = Route::Node::get($fromnode);
-		Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
-		if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
+		unless ($cref && UNIVERSAL::isa($cref, 'Route')) {
+			dbg("DXProt process_rcmd: Route $fromnode isn't a reference (tell G1TLH)"); 
+			$self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
+			return;
+		}
+		Log('rcmd', 'in', ($ref->{priv}||0), $fromnode, $cmd);
+		if ($cmd !~ /^\s*rcmd/i && $ref->homenode && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
 			if ($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};
@@ -2213,7 +1144,7 @@ sub process_rcmd
 			$self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
 		}
 	} else {
-		my $ref = DXUser->get_current($tonode);
+		my $ref = DXUser::get_current($tonode);
 		if ($ref && $ref->is_clx) {
 			$self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
 		} else {
@@ -2238,7 +1169,7 @@ sub process_rcmd_reply
 			$dxchan->send($line) if $dxchan;
 		}
 	} else {
-		my $ref = DXUser->get_current($tonode);
+		my $ref = DXUser::get_current($tonode);
 		if ($ref && $ref->is_clx) {
 			$self->route($tonode, pc85($fromnode, $tonode, $user, $line));
 		} else {
@@ -2275,7 +1206,7 @@ sub addrcmd
 	$r->{t} = $main::systime;
 	$r->{cmd} = $cmd;
 	$rcmds{$to} = $r;
-	
+
 	my $ref = Route::Node::get($to);
 	my $dxchan = $ref->dxchan;
 	if ($dxchan && $dxchan->is_clx) {
@@ -2288,12 +1219,12 @@ sub addrcmd
 sub disconnect
 {
 	my $self = shift;
-	my $pc39flag = shift;
+	my $pc39flag = shift || 0;
 	my $call = $self->call;
 
 	return if $self->{disconnecting}++;
-	
-	unless ($pc39flag && $pc39flag == 1) {
+
+	unless ($pc39flag == 1) {
 		$self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
 	}
 
@@ -2302,44 +1233,16 @@ sub disconnect
 
 	# do routing stuff, remove me from routing table
 	my $node = Route::Node::get($call);
-	my @rout;
-	if ($node) {
-		@rout = $node->del($main::routeroot);
-		
-		# and all my ephemera as well
-		for (@rout) {
-			my $c = $_->call;
-			eph_del_regex("^PC1[679].*$c");
-		}
-	}
 
-	RouteDB::delete_interface($call);
-	
-	# remove them from the pc19list as well
-	while (my ($k,$v) = each %pc19list) {
-		my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
-		if (@l) {
-			$pc19list{$k} = \@l;
-		} else {
-			delete $pc19list{$k};
-		}
-		
-		# and the ephemera
-		eph_del_regex("^PC1[679].*$k");
-	}
+	Route::delete_interface($call);
 
 	# unbusy and stop and outgoing mail
 	my $mref = DXMsg::get_busy($call);
 	$mref->stop_msg($call) if $mref;
-	
-	# broadcast to all other nodes that all the nodes connected to via me are gone
-	unless ($pc39flag && $pc39flag == 2) {
-		$self->route_pc21($main::mycall, undef, @rout) if @rout;
-	}
 
 	# remove outstanding pings
 	delete $pings{$call};
-	
+
 	# I was the last node visited
     $self->user->node($main::mycall);
 
@@ -2349,19 +1252,59 @@ sub disconnect
 	Log('DXProt', $call . " Disconnected");
 
 	$self->SUPER::disconnect;
+
+	# here we determine what needs to go out of the routing table
+	my @rout;
+	if ($node && $pc39flag != 2) {
+		dbg('%Route::Node::List = ' . join(',', sort keys %Route::Node::list)) if isdbg('routedisc');
+
+		@rout = $node->del($main::routeroot);
+
+		dbg('@rout = ' . join(',', sort map {$_->call} @rout)) if isdbg('routedisc');
+
+		# now we need to see what can't be routed anymore and came
+		# in via this node (probably).
+		my $n = 0;
+		while ($n != @rout) {
+			$n = @rout;
+			for (Route::Node::get_all()) {
+				unless ($_->dxchan) {
+					push @rout, $_->delete;
+				}
+			}
+			dbg('@rout = ' . join(',', sort map {$_->call} @rout)) if isdbg('routedisc');
+		}
+
+		dbg('%Route::Node::List = ' . join(',', sort keys %Route::Node::list)) if isdbg('routedisc');
+
+		# and all my ephemera as well
+		for (@rout) {
+			my $c = $_->call;
+			eph_del_regex("^PC1[679].*$c");
+		}
+	}
+
+	# broadcast to all other nodes that all the nodes connected to via me are gone
+	unless ($pc39flag == 2)  {
+		$self->route_pc21($main::mycall, undef, @rout) if @rout;
+		$self->route_pc92d($main::mycall, undef, $main::routeroot, $node) if $node;
+	}
 }
 
 
-# 
+#
 # send a talk message to this thingy
 #
 sub talk
 {
 	my ($self, $from, $to, $via, $line, $origin) = @_;
-	
-	$line =~ s/\^/\\5E/g;			# remove any ^ characters
-	$self->send(DXProt::pc10($from, $to, $via, $line, $origin));
-	Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
+
+	if ($self->{do_pc9x}) {
+		$self->send(pc93($to, $from, $via, $line));
+	} else {
+		$self->send(pc10($from, $to, $via, $line, $origin));
+	}
+	Log('talk', $to, $from, '>' . ($via || $origin || $self->call), $line) unless $origin && $origin ne $main::mycall;
 }
 
 # send it if it isn't the except list and isn't isolated and still has a hop count
@@ -2372,14 +1315,20 @@ sub send_route
 	my $self = shift;
 	my $origin = shift;
 	my $generate = shift;
-	my $no = shift;     # the no of things to filter on 
+	my $no = shift;     # the no of things to filter on
 	my $routeit;
 	my ($filter, $hops);
 	my @rin;
-	
+
 	for (; @_ && $no; $no--) {
 		my $r = shift;
-		
+
+		# don't send messages with $self's call in back to them
+		if ($r->call eq $self->{call}) {
+			dbg("PCPROT: trying to send $self->{call} back itself") if isdbg('chanerr');
+			next;
+		}
+
 		if (!$self->{isolate} && $self->{routefilter}) {
 			$filter = undef;
 			if ($r) {
@@ -2387,7 +1336,7 @@ sub send_route
 				if ($filter) {
 					push @rin, $r;
 				} else {
-					dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
+					dbg("PCPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('filter');
 				}
 			} else {
 				dbg("was sent a null value") if isdbg('chanerr');
@@ -2405,12 +1354,13 @@ sub send_route
 				$routeit = adjust_hops($self, $line);  # adjust its hop count by node name
 				next unless $routeit;
 			}
-			
+
 			$self->send($routeit);
 		}
 	}
 }
 
+# broadcast everywhere
 sub broadcast_route
 {
 	my $self = shift;
@@ -2419,26 +1369,101 @@ sub broadcast_route
 	my $line = shift;
 	my @dxchan = DXChannel::get_all_nodes();
 	my $dxchan;
-	
+
+	if ($line) {
+		$line =~ /\^H(\d+)\^?\~?$/;
+		return unless $1 > 0;
+	}
 	unless ($self->{isolate}) {
 		foreach $dxchan (@dxchan) {
-			next if $dxchan == $self;
-			next if $dxchan == $main::me;
+			next if $dxchan == $self || $dxchan == $main::me;
+			next if $origin eq $dxchan->{call};	# don't route some from this call back again.
+			next unless $dxchan->isa('DXProt');
+
+			$dxchan->send_route($origin, $generate, @_);
+		}
+	}
+}
+
+# broadcast to non-pc9x nodes
+sub broadcast_route_nopc9x
+{
+	my $self = shift;
+	my $origin = shift;
+	my $generate = shift;
+	my $line = shift;
+	my @dxchan = DXChannel::get_all_nodes();
+	my $dxchan;
+
+	if ($line) {
+		$line =~ /\^H(\d+)\^?\~?$/;
+		return unless $1 > 0;
+	}
+	unless ($self->{isolate}) {
+		foreach $dxchan (@dxchan) {
+			next if $dxchan == $self || $dxchan == $main::me;
+			next if $origin eq $dxchan->{call};	# don't route some from this call back again.
 			next unless $dxchan->isa('DXProt');
-			next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
- 
+			next if $dxchan->{do_pc9x};
+			if ($generate == \&pc16 || $generate==\&pc17) {
+				next unless $dxchan->user->wantsendpc16;
+			}
 			$dxchan->send_route($origin, $generate, @_);
 		}
 	}
 }
 
+# this is only used for next door nodes on init
+sub send_route_pc92
+{
+	my $self = shift;
+
+	return unless $self->{do_pc9x};
+
+	my $origin = shift;
+	my $generate = shift;
+	my $no = shift;     # the no of things to filter on
+	my $line;
+
+	$line = &$generate(@_);
+	$self->send($line);
+}
+
+# broadcast only to pc9x nodes
+sub broadcast_route_pc9x
+{
+	my $self = shift;
+	my $origin = shift;
+	my $generate = shift;
+	my $line = shift;
+	my $no = shift;
+	my @dxchan = DXChannel::get_all_nodes();
+	my $dxchan;
+
+	if ($origin eq $main::mycall && $generate && !$line) {
+		$line = &$generate(@_);
+	}
+
+	$line =~ /\^H(\d+)\^\~?$/;
+	unless ($1 > 0 && $self->{isolate}) {
+		foreach $dxchan (@dxchan) {
+			next if $dxchan == $self || $dxchan == $main::me;
+			next if $origin eq $dxchan->{call};	# don't route some from this call back again.
+			next unless $dxchan->isa('DXProt');
+			next unless $dxchan->{do_pc9x};
+
+			$dxchan->send($line);
+		}
+	}
+}
+
 sub route_pc16
 {
 	my $self = shift;
 	return unless $self->user->wantpc16;
 	my $origin = shift;
 	my $line = shift;
-	broadcast_route($self, $origin, \&pc16, $line, 1, @_);
+	broadcast_route_nopc9x($self, $origin, \&pc16, $line, 1, @_);
 }
 
 sub route_pc17
@@ -2447,7 +1472,7 @@ sub route_pc17
 	return unless $self->user->wantpc16;
 	my $origin = shift;
 	my $line = shift;
-	broadcast_route($self, $origin, \&pc17, $line, 1, @_);
+	broadcast_route_nopc9x($self, $origin, \&pc17, $line, 1, @_);
 }
 
 sub route_pc19
@@ -2455,7 +1480,7 @@ sub route_pc19
 	my $self = shift;
 	my $origin = shift;
 	my $line = shift;
-	broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
+	broadcast_route_nopc9x($self, $origin, \&pc19, $line, scalar @_, @_);
 }
 
 sub route_pc21
@@ -2463,7 +1488,7 @@ sub route_pc21
 	my $self = shift;
 	my $origin = shift;
 	my $line = shift;
-	broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
+	broadcast_route_nopc9x($self, $origin, \&pc21, $line, scalar @_, @_);
 }
 
 sub route_pc24
@@ -2482,20 +1507,46 @@ sub route_pc41
 	broadcast_route($self, $origin, \&pc41, $line, 1, @_);
 }
 
+# this is probably obsolete now
 sub route_pc50
 {
 	my $self = shift;
 	my $origin = shift;
 	my $line = shift;
+
 	broadcast_route($self, $origin, \&pc50, $line, 1, @_);
 }
 
+sub route_pc92c
+{
+	my $self = shift;
+	my $origin = shift;
+	my $line = shift;
+	broadcast_route_pc9x($self, $origin, \&pc92c, $line, 1, @_);
+}
+
+sub route_pc92a
+{
+	my $self = shift;
+	my $origin = shift;
+	my $line = shift;
+	broadcast_route_pc9x($self, $origin, \&pc92a, $line, 1, @_);
+}
+
+sub route_pc92d
+{
+	my $self = shift;
+	my $origin = shift;
+	my $line = shift;
+	broadcast_route_pc9x($self, $origin, \&pc92d, $line, 1, @_);
+}
+
 sub in_filter_route
 {
 	my $self = shift;
 	my $r = shift;
 	my ($filter, $hops) = (1, 1);
-	
+
 	if ($self->{inroutefilter}) {
 		($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->state, $r->state);
 		dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
@@ -2513,7 +1564,7 @@ sub eph_dup
 	$s =~ s/\^H\d\d?\^?\~?$//;
 	$r = 1 if exists $eph{$s};    # pump up the dup if it keeps circulating
 	$eph{$s} = $main::systime + $t;
-	dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr'); 
+	dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr');
 	return $r;
 }
 
@@ -2531,7 +1582,7 @@ sub eph_del_regex
 sub eph_clean
 {
 	my ($key, $val);
-	
+
 	while (($key, $val) = each %eph) {
 		if ($main::systime >= $val) {
 			delete $eph{$key};
@@ -2560,10 +1611,10 @@ sub run_cmd
 # the messages are sent to the chat group which forms the
 # the first part of the name (eg: solar.1243.txt would be
 # sent to chat group SOLAR)
-# 
+#
 # Each message found is sent: one non-blank line to one chat
 # message. So 4 lines = 4 chat messages.
-# 
+#
 # The special name LOCAL is for local users ANN
 # The special name ALL is for ANN/FULL
 # The special name SYSOP is for ANN/SYSOP
@@ -2576,7 +1627,7 @@ sub import_chat
 		dbg("can\'t open $chatimportfn $!") if isdbg('msg');
 		Log('msg', "can\'t open $chatimportfn $!");
 		return;
-	} 
+	}
 
 	my @names = readdir(DIR);
 	closedir(DIR);
@@ -2587,7 +1638,7 @@ sub import_chat
 		my $fn = "$chatimportfn/$name";
 		next unless -f $fn;
 		unless (open(MSG, $fn)) {
-	 		dbg("can\'t open import file $fn $!") if isdbg('msg');
+			dbg("can\'t open import file $fn $!") if isdbg('msg');
 			Log('msg', "can\'t open import file $fn $!");
 			unlink($fn);
 			next;
@@ -2601,22 +1652,42 @@ sub import_chat
 
 		foreach my $text (@msg) {
 			next unless $text && $text !~ /^\s*#/;
-			if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP') {
-				my $sysopflag = $target eq 'SYSOP' ? '*' : ' ';
-				if ($target ne 'LOCAL') {
-					send_announce($main::me, pc12($main::mycall, $text, '*', $sysopflag), $main::mycall, '*', $text, $sysopflag, $main::mycall, '0');
-				} else {
-					Log('ann', 'LOCAL', $main::mycall, $text);
-					DXChannel::broadcast_list("To LOCAL de ${main::mycall}: $text\a", 'ann', undef, DXCommandmode->get_all());
-				}
+			if ($target eq 'ALL' || $target eq 'LOCAL' || $target eq 'SYSOP' || $target eq 'WX') {
+				my $sysop = uc $target eq 'SYSOP' ? '*' : ' ';
+				my $wx = uc $target eq 'WX' ? '1' : '0';
+				my $via = $target;
+				$via = '*' if $target eq 'ALL' || $target eq 'SYSOP';
+				Log('ann', $target, $main::mycall, $text);
+				$main::me->normal(DXProt::pc93($target, $main::mycall, $via, $text));
 			} else {
-				my $msgid = nextchatmsgid();
-				$text = "#$msgid $text";
-				send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');
+				DXCommandmode::send_chats($main::me, $target, $text);
 			}
 		}
 	}
 }
 
+# start a pc92 find operation
+sub start_pc92_find
+{
+	my $dxchan = shift;
+	my $target = shift;
+	my $key = "$dxchan->{call}|$target";
+	if ($pc92_find{$key}) {
+
+	}
+}
+
+# function (not method) to handle pc92 find returns
+sub handle_pc92_find_reply
+{
+	my ($dxchan, $node, $from, $target, $flag, $ms) = @_;
+
+	$dxchan->print_pc92_find_reply($node, $target, $flag, $ms) if $dxchan->can('print_pc92_find_return');
+}
+
+sub clean_pc92_find
+{
+
+}
 1;
-__END__ 
+__END__