X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXProt.pm;h=24435bfb691938e6ca4294c8fccec763caecf3c7;hb=a1fe338de72800232a8623f592c1a62d1f994fad;hp=e272216556579d557f32a3b06c7ecdc8d95ef2d4;hpb=05a7fdd4a58c51e21b55b0509b054b625839290c;p=spider.git

diff --git a/perl/DXProt.pm b/perl/DXProt.pm
index e2722165..24435bfb 100644
--- a/perl/DXProt.pm
+++ b/perl/DXProt.pm
@@ -33,18 +33,20 @@ use DXHash;
 use Route;
 use Route::Node;
 use Script;
+use Investigate;
+use DXProtHandler;
 
 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));
+$VERSION = sprintf( "%d.%03d", q$Revision$ =~ /:\s+(\d+)\.(\d+)/ );
+$BRANCH = sprintf( "%d.%03d", (q$Revision$ =~ /:\s+\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
+			$last_hour $last10 %eph  %pings %rcmds $ann_to_talk $pc19_version
+			$pingint $obscount %pc19list $chatdupeage $investigation_int
 			%nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
 			$allowzero $decode_dk0wcy $send_opernam @checklist);
 
@@ -71,6 +73,9 @@ $eph_pc34_restime = 30;
 $pingint = 5*60;
 $obscount = 2;
 $chatdupeage = 20 * 60 * 60;
+$investigation_int = 7*86400;	# time between checks to see if we can see this node
+$pc19_version = 5466;			# the visible version no for outgoing PC19s generated from pc59
+
 
 @checklist = 
 (
@@ -182,1449 +187,207 @@ sub check
 			return $i unless is_pcflag($_[$i]);
 		} elsif ($act eq 'f') {
 			return $i unless is_freq($_[$i]);
-		} elsif ($act eq 'n') {
-			return $i unless $_[$i] =~ /^[\d ]+$/;
-		} elsif ($act eq 'h') {
-			return $i unless $_[$i] =~ /^H\d\d?$/;
-		} elsif ($act eq 'd') {
-			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$/;
-		} 
-	}
-	return 0;
-}
-
-sub init
-{
-	do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
-	confess $@ if $@;
-}
-
-#
-# obtain a new connection this is derived from dxchannel
-#
-
-sub new 
-{
-	my $self = DXChannel::alloc(@_);
-
-	# add this node to the table, the values get filled in later
-	my $pkg = shift;
-	my $call = shift;
-	$main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
-
-	return $self;
-}
-
-# this is how a pc connection starts (for an incoming connection)
-# issue a PC38 followed by a PC18, then wait for a PC20 (remembering
-# all the crap that comes between).
-sub start
-{
-	my ($self, $line, $sort) = @_;
-	my $call = $self->{call};
-	my $user = $self->{user};
-
-	# log it
-	my $host = $self->{conn}->{peerhost} || "unknown";
-	Log('DXProt', "$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;
-	$self->{priv} = $priv;     # other clusters can always be 'normal' users
-	$self->{lang} = $user->lang || 'en';
-	$self->{isolate} = $user->{isolate};
-	$self->{consort} = $line;	# save the connection type
-	$self->{here} = 1;
-	$self->{width} = 80;
-
-	# sort out registration
-	$self->{registered} = 1;
-
-	# get the output filters
-	$self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
-	$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} ;
-
-
-	# get the INPUT filters (these only pertain to Clusters)
-	$self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
-	$self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
-	$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};
-	
-	# 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;
-	$self->{pingint} = $ping;
-	$self->{nopings} = $user->nopings || $obscount;
-	$self->{pingtime} = [ ];
-	$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;
-
-	# send info to all logged in thingies
-	$self->tell_login('loginn');
-
-	# 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;
-}
-
-#
-# send outgoing 'challenge'
-#
-
-sub sendinit
-{
-	my $self = shift;
-	$self->send(pc18());
-}
-
-sub removepc90
-{
-	$_[0] =~ s/^PC90\^[-A-Z0-9]+\^\d+\^//;
-	$_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
-}
-
-#sub send
-#{
-#	my $self = shift;
-#	while (@_) {
-#		my $line = shift;
-#		$self->SUPER::send($line);
-#	}
-#}
-
-#
-# This is the normal pcxx despatcher
-#
-sub normal
-{
-	my ($self, $line) = @_;
-
-	# remove any incoming PC90 frames
-	removepc90($line);
-
-	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 <= 99) {
-		dbg("PCPROT: unknown protocol") if isdbg('chanerr');
-		return;
-	}
-
-	# check for and dump bad protocol messages
-	my $n = check($pcno, @field);
-	if ($n) {
-		dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
-		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;
-		}
-	}
-
-	# 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, $_[3]);
-		return;
-	}
-
-	# is it elsewhere, visible on the cluster via the to address?
-	# note: this discards the via unless the to address is on
-	# the via address
-	my ($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;
-	}
-
-	# 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) );
-	}
-}
-
-# DX Spot handling
-sub handle_11
-{
-	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], $_[6]);
-
-	# if this is a 'nodx' node then ignore it
-	if ($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] $_[4])\n") if isdbg('chanerr');
-		return;
-	}
-
-	# is it 'baddx'
-	if ($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;
-		}
-	}
-
-
-	my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
-	# global spot filtering on INPUT
-	if ($self->{inspotsfilter}) {
-		my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
-		unless ($filter) {
-			dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
-			return;
-		}
-	}
-
-	# 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($_[1], $_[2], $d, $_[5], $_[6])) {
-		dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
-		return;
-	}
-
-	# 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)); 
-				$user->put;
-			}
-		}
-
-		# send a remote command to a distant cluster if it is visible and there is no
-		# qra locator and we havn't done it for a month.
-
-		unless ($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));
-				} 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 $main::mycall) {
-
-		# ignore something that looks like a chat line coming in with sysop
-		# flag - this is a kludge...
-		if ($_[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;
-				}
-			}
-		}
-	
-		# send it
-		$self->send_announce($line, @_[1..6]);
-	} else {
-		$self->route($_[2], $line);
-	}
-}
-		
-# 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 $newline = "PC16^";
-			
-	# do I want users from this channel?
-	unless ($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 config on this node from outside!") if isdbg('chanerr');
-		return;
-	}
-
-	# do we believe this call? 
-	next unless $ncall eq $self->{call} || $self->is_believed($ncall);
-
-	my $node = Route::Node::get($ncall);
-	unless ($node) {
-		dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
-		return;
-	}
-
-	# dedupe only that which we potentially process
-	if (eph_dup($line)) {
-		dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
-		return;
-	}
-
-	my $i;
-	my @rout;
-	my @new;
-	for ($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) || Route::User::get($call);
-		$r->here($here);
-		$r->conf($conf);
-		$node->lastseen($main::systime);
-
-		push @new, $node->add_user($r);
-				
-		# 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;
-		$user->homenode($node->call) if !$user->homenode;
-		$user->node($node->call);
-		$user->lastin($main::systime) unless DXChannel->get($call);
-		$user->put;
-	}
-	$self->route_pc16($origin, $line, $node, @new) if @new;
-}
-		
-# 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;
-	}
-
-	# do we believe this call? 
-	next unless $ncall eq $self->{call} || $self->is_believed($ncall);
-
-	my $uref = Route::User::get($ucall);
-	unless ($uref) {
-		dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
-	}
-	my $node = Route::Node::get($ncall);
-	unless ($node) {
-		dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
-	}			
-
-	return unless $node && $uref;
-	
-	my @rout;
-	my @new;
-	if ($self->in_filter_route($node)) {
-		
-		if (eph_dup($line)) {
-			dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
-			return;
-		}
-		push @new, $node->del_user($uref);
-	}
-
-	$self->route_pc17($origin, $line, $node, $uref) if @new;
-
-	# get rid of orphaned users;
-	$_->delete for @new;
-}
-		
-# 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');
-		}
-	} else {
-		$self->version(50.0);
-		$self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
-		$self->user->version($self->version);
-	}
-	$self->newroute( $_[1] =~ /NewRoute/ );
-
-	# 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 $newline = "PC19^";
-
-	if (eph_dup($line)) {
-		dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
-		return;
-	}
-
-	# 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");
-		$self->disconnect;
-		return;
-	}
-
-	my @new;
-	
-	# parse the PC19
-	for ($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);
-
-		# check for sane parameters
-		#				$ver = 5000 if $ver eq '0000';
-		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;
-
-		# do we believe this call? 
-		next unless $call eq $self->{call} || $self->is_believed($call);
-
-		eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
-				
-		# 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->sort('A');
-			$user->priv(1);		# I have relented and defaulted nodes
-			$user->lockout(1);
-			$user->homenode($call);
-			$user->node($call);
-		}
-		$user->wantroutepc19(1) unless defined $user->wantroutepc19;
-
-		my $r = Route::Node::get($call) || Route::Node->new($call);
-		$r->here($here);
-		$r->conf($conf);
-		$r->version($ver);
-		$r->lastseen($main::systime);
-
-		if ($self->in_filter_route($r)) {
-			push @new, $parent->link_node($r, $self);
-			push @rout, $r;
-		}
-
-		# 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;
-	}
-
-	# route out new nodes to legacy nodes
-	$self->route_pc19($origin, $line, @new) if @new;
-	$self->route_pc59('A', 0, $self->{call}, @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];
-
-	return if $call eq $main::mycall;  # don't allow malicious buggers to disconnect me (or ignore loops)!
-
-	eph_del_regex("^PC1[679].*$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;
-	}
-
-	my @rout;
-	my @new;
-	my $parent = Route::Node::get($self->{call});
-	unless ($parent) {
-		dbg("DXPROT: my parent $self->{call} has disappeared");
-		$self->disconnect;
-		return;
-	}
-	$parent->lastseen;
-
-	my $node = Route::Node::get($call);
-	if ($node) {
-		$node->lastseen($main::systime);
-		
-		# input filter it
-		return unless $self->in_filter_route($node);
-		push @rout, $node;
-		push @new, $node->link_node($parent, $self);
-	}
-
-	$self->route_pc21($origin, $line, @new) if @new;
-	$self->route_pc59('D', 0, $self->{call}, @rout) if @rout;
-
-	# get rid of orphaned nodes;
-	$_->delete for @new;
-}
-		
-
-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] $_[2]) out of range") if isdbg('chanerr');
-		return;
-	}
-	if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
-		dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
-		return;
-	}
-	$_[7] =~ s/-\d+$//o;		# remove spotter's ssid
-		
-	my $wwv = Geomag::update($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];
-	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 {
-			# it's a reply, look in the ping list for this one
-			my $ref = $pings{$from};
-			if ($ref) {
-				my $tochan =  DXChannel->get($from);
-				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', $from, $s, $ave))
-					} elsif ($dxchan->is_node) {
-						if ($tochan) {
-							my $nopings = $tochan->user->nopings || $obscount;
-							push @{$tochan->{pingtime}}, $t;
-							shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
-
-								# cope with a missed ping, this means you must set the pingint large enough
-							if ($t > $tochan->{pingint}  && $t < 2 * $tochan->{pingint} ) {
-								$t -= $tochan->{pingint};
-							}
-
-								# calc smoothed RTT a la TCP
-							if (@{$tochan->{pingtime}} == 1) {
-								$tochan->{pingave} = $t;
-							} else {
-								$tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
-							}
-							$tochan->{nopings} = $nopings; # pump up the timer
-						}
-					} 
-				}
-			}
-		}
-	} else {
-		if (eph_dup($line)) {
-			dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
-			return;
-		}
-		# route down an appropriate thingy
-		$self->route($to, $line);
-	}
-}
-
-# New style routing handler
-sub handle_59
-{
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-
-	return unless eph_dup($line);
-
-	my ($sort, $hextime, $ncall) = @_[1,2,3];
-	if ($ncall eq $main::mycall) {
-		dbg("PCPROT: ignoring PC59 for me") if isdbg('chan');
-		return;
-	}
-
-	# mark myself as NewRoute if I get a PC59
-	$self->{newroute} = 1 if $ncall eq $self->{call};
-
-	# do this once for filtering with a throwaway routing entry if a new node
-	my $fnode = Route::Node::get($ncall) || Route::new($ncall);
-	return unless $self->in_filter_route($fnode);
-
-	# now do it properly for actions
-	my $node = Route::Node::get($ncall) || Route::Node::new($ncall);
-
-	# find each of the entries (or create new ones)
-	my @refs;
-	for my $ent (@_[4..-1]) {
-		my ($esort, $ehere, $ecall) = unpack "A A A*", $ent;
-		my $ref;
-
-		# create user, if required
-		my $user = DXUser->get_current($ecall);
-		unless ($user) {
-			$user = DXUser->new($ecall);
-			$user->sort();
-			$user->priv(1);		# I have relented and defaulted nodes
-			$user->lockout(1);
-			$user->homenode($ncall);
-			$user->node($ncall);
-		}
-		if ($esort eq 'U') {
-			$ref = Route::User::get($ecall);
-			unless ($ref) {
-				# create user, if required
-				my $user = DXUser->get_current($ecall);
-				unless ($user) {
-					$user = DXUser->new($ecall);
-					$user->sort('U');
-					$user->homenode($ncall);
-					$user->node($ncall);
-					$user->put;
-				}
-				$ref = Route::User::new($ecall, 0); 
-			}
-		} elsif ($esort eq 'N') {
-			$ref = Route::Node::get($ecall);
-			unless ($ref) {
-				# create user, if required
-				my $user = DXUser->get_current($ecall);
-				unless ($user) {
-					$user = DXUser->new($ecall);
-					$user->priv(1);		# I have relented and defaulted nodes
-					$user->lockout(1);
-					$user->sort('A');
-					$user->homenode($ncall);
-					$user->node($ncall);
-					$user->put;
-				}
-				$ref = Route::Node::new($ecall, 0); 
-			} 
-		} else {
-			dbg("DXPROT: unknown entity type '$esort' on $ecall for node $ncall") if isdbg('chan');
-			next;
-		}
-		$ref->here($ehere);		# might as well set this here
-		$ref->lastheard($main::systime);
-		push @refs, $ref;
-	}
-
-	# if it is a delete, disconnect all the entries mentioned
-	# from this node (which is a parent in this context).
-	my @delnode;
-	my @deluser;
-	if ($sort eq 'D') {
-		for my $ref (@refs) {
-			next if $ref->call eq $ncall;
-			if ($ref->isa('Route::Node')) {
-				push @delnode, $node->unlink_node($ref, $self);
-			} elsif ($ref->isa('Route::User')) {
-				push @deluser, $node->del_user($ref);
-			}
-		}
-	}
-
-	# if it is an add, connect all the entries
-	my @addnode;
-	my @adduser;
-	if ($sort eq 'A') {
-		for my $ref (@refs) {
-			next if $ref->call eq $ncall;
-			if ($ref->isa('Route::Node')) {
-				my $new = $node->link_node($ref, $self);
-				push @addnode, $new if $new;
-			} elsif ($ref->isa('Route::User')) {
-				push @adduser, $node->del_user($ref);
-			}
-		}
-	}
-
-	# if it is a configure, unlink all the nodes and users that 
-	# are not in @refs but are in the node, then add all the
-	# nodes and users that are @refs but not in the node.
-	#
-	if ($sort eq 'C') {
-		my @dn;
-		my @du;
-		my @an;
-		my @au;
-		for my $r (map {Route::Node::get($_)} $node->nodes) {
-			next unless $r;
-			push @dn, $r unless grep $_->call eq $r->call, @refs;
-		}
-		for my $r (map {Route::User::get($_)} $node->users) {
-			next unless $r;
-			push @du, $r unless grep $_->call eq $r->call, @refs;
-		}
-		for my $r (@refs) {
-			next unless $r;
-			if ($r->isa('Route::Node')) {
-				push @an, $r unless grep $r->call eq $_, $node->nodes;
-			} elsif ($r->isa('Route::User')) {
-				push @au, $r unless grep $r->call eq $_, $node->users;
-			}
-		}
-		push @delnode, $node->unlink_node($_, $self) for @dn;
-		push @deluser, $node->del_user($_) for @du;
-		push @addnode, $node->link_node($_, $self) for @an;
-		push @adduser, $node->add_user($_) for @au;
+		} elsif ($act eq 'n') {
+			return $i unless $_[$i] =~ /^[\d ]+$/;
+		} elsif ($act eq 'h') {
+			return $i unless $_[$i] =~ /^H\d\d?$/;
+		} elsif ($act eq 'd') {
+			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$/;
+		} 
 	}
+	return 0;
+}
 
+sub init
+{
+	do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
+	confess $@ if $@;
 
-	$self->route_pc21($origin, $line, @delnode) if @delnode;
-	$self->route_pc19($origin, $line, @addnode) if @addnode;
-	$self->route_pc17($origin, $line, @deluser) if @deluser;
-	$self->route_pc16($origin, $line, @adduser) if @adduser;
-	
-	$self->route_pc59($sort, $hextime, $ncall, @refs) if @refs;
-	$_->delete for @delnode, @deluser;
+	my $user = DXUser->get($main::mycall);
+	$DXProt::myprot_version += $main::version*100;
+	$main::me = DXProt->SUPER::alloc($main::mycall, 0, $user); 
+	$main::me->{here} = 1;
+	$main::me->{state} = "indifferent";
+	$main::me->{sort} = 'S';    # S for spider
+	$main::me->{priv} = 9;
+	$main::me->{metric} = 0;
+	$main::me->{pingave} = 0;
+	$main::me->{registered} = 1;
+	$main::me->{version} = $main::version;
+	$main::me->{build} = $main::build;
 }
-	
 
-# dunno but route it
-sub handle_75
+#
+# obtain a new connection this is derived from dxchannel
+#
+
+sub new 
 {
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	my $call = $_[1];
-	if ($call ne $main::mycall) {
-		$self->route($call, $line);
-	}
+	my $self = DXChannel::alloc(@_);
+
+	# add this node to the table, the values get filled in later
+	my $pkg = shift;
+	my $call = shift;
+
+	my $uref = Route::Node::get($call) || Route::Node->new($call);
+	$uref->here(1);
+	$uref->conf(0);
+	$uref->version($pc19_version);
+	$main::routeroot->link_node($uref, $self);
+	return $self;
 }
 
-# WCY broadcasts
-sub handle_73
+# this is how a pc connection starts (for an incoming connection)
+# issue a PC38 followed by a PC18, then wait for a PC20 (remembering
+# all the crap that comes between).
+sub start
 {
-	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($d)) {
-		dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
-		return;
+	my ($self, $line, $sort) = @_;
+	my $call = $self->{call};
+	my $user = $self->{user};
+
+	# log it
+	my $host = $self->{conn}->{peerhost} || "unknown";
+	Log('DXProt', "$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;
+	$self->{priv} = $priv;     # other clusters can always be 'normal' users
+	$self->{lang} = $user->lang || 'en';
+	$self->{isolate} = $user->{isolate};
+	$self->{consort} = $line;	# save the connection type
+	$self->{here} = 1;
+	$self->{width} = 80;
+
+	# sort out registration
+	$self->{registered} = 1;
+
+	# get the output filters
+	$self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
+	$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} ;
+
+
+	# get the INPUT filters (these only pertain to Clusters)
+	$self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
+	$self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
+	$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};
+	
+	# 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;
+	$self->{pingint} = $ping;
+	$self->{nopings} = $user->nopings || $obscount;
+	$self->{pingtime} = [ ];
+	$self->{pingave} = 999;
+	$self->{metric} ||= 100;
+	$self->{lastping} = $main::systime;
+
+	# send initialisation string
+	unless ($self->{outbound}) {
+		$self->sendinit;
 	}
-		
-	my $wcy = WCY::update($d, @_[2..12]);
+	
+	$self->state('init');
+	$self->{pc50_t} = $main::systime;
 
-	my $rep;
-	eval {
-		$rep = Local::wcy($self, @_[1..12]);
-	};
-	# dbg("Local::wcy error $@") if isdbg('local') if $@;
-	return if $rep;
+	# send info to all logged in thingies
+	$self->tell_login('loginn');
 
-	# broadcast to the eager world
-	send_wcy_spot($self, $line, $d, @_[2..12]);
+	# 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;
 }
 
-# remote commands (incoming)
-sub handle_84
+#
+# send outgoing 'challenge'
+#
+
+sub sendinit
 {
 	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	$self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
+	$self->send(pc18());
 }
 
-# remote command replies
-sub handle_85
+sub removepc90
 {
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
-	$self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
+	$_[0] =~ s/^PC90\^[-A-Z0-9]+\^\d+\^//;
+	$_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
 }
 
-# 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.
+#sub send
+#{
+#	my $self = shift;
+#	while (@_) {
+#		my $line = shift;
+#		$self->SUPER::send($line);
+#	}
+#}
+
 #
-# NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
-#        REBROADCAST!!!!
+# This is the normal pcxx despatcher
 #
-
-sub handle_default
+sub normal
 {
-	my $self = shift;
-	my $pcno = shift;
-	my $line = shift;
-	my $origin = shift;
+	my ($self, $line) = @_;
+
+	# remove any incoming PC90 frames
+	removepc90($line);
+
+	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 <= 99) {
+		dbg("PCPROT: unknown protocol") if isdbg('chanerr');
+		return;
+	}
+
+	# check for and dump bad protocol messages
+	my $n = check($pcno, @field);
+	if ($n) {
+		dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
+		return;
+	}
+
+	my $origin = $self->{call};
+	no strict 'subs';
+	my $sub = "handle_$pcno";
 
-	if (eph_dup($line)) {
-		dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
+	if ($self->can($sub)) {
+		$self->$sub($pcno, $line, $origin, @field);
 	} else {
-		unless ($self->{isolate}) {
-			DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
-		}
+		$self->handle_default($pcno, $line, $origin, @field);
 	}
 }
+	
 
 #
 # This is called from inside the main cluster processing loop and is used
 # for despatching commands that are doing some long processing job
 #
+# It is called once per second
+#
 sub process
 {
 	my $t = time;
@@ -1658,6 +421,8 @@ sub process
 		}
 	}
 
+	Investigate::process();
+	
 	# every ten seconds
 	if ($t - $last10 >= 10) {	
 		# clean out ephemera 
@@ -1673,9 +438,112 @@ sub process
 }
 
 #
-# finish up a pc context
+# This the routine that does all routing table updates
+# It determines which nodes have been created or
+# deleted. 
+#
+# legacy protocol calls this routine after transforming
+# the arguments to be compatible, viz: some scalar
+# parameters and a bunch of routing objects.
+#
+# A list of 4 references to (any) adds/deletes that
+# have occured is returned to allow generation of
+# PC1[679] and PC21
 #
 
+sub process_pc59
+{
+	my $self = shift;
+	my $pcno = shift;
+	my $sort = shift;
+	my $hexstamp = shift || hexstamp();
+	my $node = shift;
+	my $enode = shift;
+	my $line = shift;
+	
+	my $ncall = $node->call;
+	my $origin = $enode->call;
+	
+	# if it is a delete, disconnect all the entries mentioned
+	# from this node (which is a parent in this context).
+	my @delnode;
+	my @deluser;
+	if ($sort eq 'D') {
+		for my $ref (@_) {
+			next if $ref->call eq $ncall;
+			next if $ref->call eq $main::mycall;
+			if ($ref->isa('Route::Node')) {
+				push @delnode, $enode->unlink_node($ref, $self);
+			} elsif ($ref->isa('Route::User')) {
+				push @deluser, $enode->del_user($ref);
+			}
+		}
+	}
+
+	# if it is an add, connect all the entries
+	my @addnode;
+	my @adduser;
+	if ($sort eq 'A') {
+		for my $ref (@_) {
+			next if $ref->call eq $ncall;
+			next if $ref->call eq $main::mycall;
+			if ($ref->isa('Route::Node')) {
+				my $new = $enode->link_node($ref, $self);
+				push @addnode, $new if $new;
+			} elsif ($ref->isa('Route::User')) {
+				push @adduser, $enode->add_user($ref);
+			}
+		}
+	}
+
+	# if it is a configure, unlink all the nodes and users that 
+	# are not in @_ but are in the node, then add all the
+	# nodes and users that are @_ but not in the node.
+	#
+	if ($sort eq 'C') {
+		my @dn;
+		my @du;
+		my @an;
+		my @au;
+		for my $r (map {Route::Node::get($_)} $node->nodes) {
+			next unless $r;
+			next if $r->call eq $ncall;
+			next if $r->call eq $main::mycall;
+			push @dn, $r unless grep $_->call eq $r->call, @_;
+		}
+		for my $r (map {Route::User::get($_)} $node->users) {
+			next unless $r;
+			push @du, $r unless grep $_->call eq $r->call, @_;
+		}
+		for my $r (@_) {
+			next unless $r;
+			next if $r->call eq $ncall;
+			next if $r->call eq $main::mycall;
+			if ($r->isa('Route::Node')) {
+				push @an, $r unless grep $r->call eq $_, $node->nodes;
+			} elsif ($r->isa('Route::User')) {
+				push @au, $r unless grep $r->call eq $_, $node->users;
+			}
+		}
+		push @addnode, $node if $self->{state} =~ /^init/;
+		push @delnode, $enode->remove_route($_, $self) for @dn;
+		push @deluser, $enode->del_user($_) for @du;
+		push @addnode, $enode->add_route($_, $self) for @an;
+		push @adduser, $enode->add_user($_) for @au;
+	}
+
+	$self->route_pc21($origin, $line, @delnode) if @delnode;
+	$self->route_pc19($origin, $line, @addnode) if @addnode;
+	$self->route_pc17($origin, $line, $enode, @deluser) if @deluser;
+	$self->route_pc16($origin, $line, $enode, @adduser) if @adduser;
+	
+	unshift @_, $enode if $ncall ne $origin;
+	$self->route_pc59($origin, $line, $sort, $hexstamp, $origin, @_) if @_;
+
+	$_->delete for @deluser;
+	$_->delete for @delnode;
+}
+
 #
 # some active measures
 #
@@ -1957,7 +825,9 @@ sub send_local_config
 	if ($self->{newroute}) {
 		my @nodes = $self->{isolate} ? ($main::routeroot) : grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
 		my @users = DXChannel::get_all_users();
-		$self->send_route($main::mycall, \&pc59c, @nodes+@users+1, (grep { Route::get($_) } $main::routeroot, @nodes, @users));
+		@localnodes = map { Route::Node::get($_->{call}) } @nodes;
+		my @localusers = map { Route::User::get($_->{call}) } @users;
+		$self->send_route($main::mycall, \&pc59, @nodes+@users+4, 'C', 0, $main::mycall, $main::routeroot, @localnodes, @localusers);
 	} else {
 		# send our nodes
 		if ($self->{isolate}) {
@@ -2017,7 +887,7 @@ sub route
 	my $dxchan = DXChannel->get($call);
 	unless ($dxchan) {
 		my $cl = Route::get($call);
-		$dxchan = $cl->dxchan if $cl;
+		$dxchan = $cl->bestdxchan if $cl;
 		if (ref $dxchan) {
 			if (ref $self && $dxchan eq $self) {
 				dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
@@ -2096,14 +966,23 @@ sub load_hops
 # add a ping request to the ping queues
 sub addping
 {
-	my ($from, $to) = @_;
+	my ($from, $to, $via) = @_;
 	my $ref = $pings{$to} || [];
 	my $r = {};
 	$r->{call} = $from;
 	$r->{t} = [ gettimeofday ];
-	route(undef, $to, pc51($to, $main::mycall, 1));
+	if ($via && (my $dxchan = DXChannel->get($via))) {
+		$dxchan->send(pc51($to, $main::mycall, 1));
+	} else {
+		route(undef, $to, pc51($to, $main::mycall, 1));
+	}
 	push @$ref, $r;
 	$pings{$to} = $ref;
+	my $u = DXUser->get_current($to);
+	if ($u) {
+		$u->lastping($main::systime);
+		$u->put;
+	}
 }
 
 sub process_rcmd
@@ -2193,7 +1072,7 @@ sub addrcmd
 	$rcmds{$to} = $r;
 	
 	my $ref = Route::Node::get($to);
-	my $dxchan = $ref->dxchan;
+	my $dxchan = $ref->bestdxchan;
 	if ($dxchan && $dxchan->is_clx) {
 		route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
 	} else {
@@ -2220,28 +1099,18 @@ sub disconnect
 	my $node = Route::Node::get($call);
 	my @rout;
 	if ($node) {
-		@rout = $node->del($main::routeroot);
-		
-		# and all my ephemera as well
+
+		# remove the route from this node and return a list
+		# of nodes that have become orphanned as a result. 
+		push @rout, $main::routeroot->remove_route($node, $self);
+
+		# remove all my ephemera as well
 		for (@rout) {
 			my $c = $_->call;
 			eph_del_regex("^PC1[679].*$c");
 		}
 	}
 	
-	# 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");
-	}
-
 	# unbusy and stop and outgoing mail
 	my $mref = DXMsg::get_busy($call);
 	$mref->stop_msg($call) if $mref;
@@ -2249,8 +1118,12 @@ sub disconnect
 	# broadcast to all other nodes that all the nodes connected to via me are gone
 	unless ($pc39flag && $pc39flag == 2) {
 		$self->route_pc21($main::mycall, undef, @rout) if @rout;
+		$self->route_pc59($main::mycall, "", 'D', hexstamp(), $main::mycall, $node);
 	}
 
+	# delete all the unwanted nodes
+	$_->delete for @rout;
+	
 	# remove outstanding pings
 	delete $pings{$call};
 	
@@ -2297,7 +1170,6 @@ sub send_route
 		# deal with non routing parameters
 		unless (ref $r && $r->isa('Route')) {
 			push @rin, $r;
-			$no++;
 			next;
 		}
 		
@@ -2347,8 +1219,13 @@ sub broadcast_route
 			next if $dxchan == $main::me;
 			next unless $dxchan->isa('DXProt');
 			next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
-			next if ($generate == \&pc19 || $generate==\&pc21) && !$dxchan->user->wantsendpc19;
-			next if ($generate == \&pc59) && !$dxchan->{newroute};
+			if ($dxchan->{newroute}) {
+				next if ($generate == \&pc19 || $generate==\&pc21 ||
+						$generate == \&pc16 || $generate==\&pc17);
+			} else {
+				next if ($generate == \&pc19 || $generate==\&pc21) && !$dxchan->user->wantroutepc19;
+				next if ($generate == \&pc59);
+			}
  
 			$dxchan->send_route($origin, $generate, @_);
 		}
@@ -2419,8 +1296,7 @@ sub route_pc59
 	my $origin = shift;
 	my $line = shift;
 
-	# @_ - 2 because we start with [ACD], hexstamp
-	broadcast_route($self, $origin, \&pc59, $line, scalar @_ - 2, @_);
+	broadcast_route($self, $origin, \&pc59, $line, scalar @_, @_);
 }
 
 sub in_filter_route