X-Git-Url: http://dxcluster.net/gitweb/gitweb.cgi?a=blobdiff_plain;f=perl%2FDXProt.pm;h=ca17f4a6430cd8d0cfd4c31e020c7c5001b7b362;hb=d2580480d24be5e8f1beb4aeeb40980db0dedde0;hp=360bb2dd2392c602e788a42e77edee9b0411f4aa;hpb=6ac264a972df84ae5c0eb38ba76c68d148f36349;p=spider.git

diff --git a/perl/DXProt.pm b/perl/DXProt.pm
index 360bb2dd..ca17f4a6 100644
--- a/perl/DXProt.pm
+++ b/perl/DXProt.pm
@@ -1,2620 +1 @@
-#!/usr/bin/perl
-#
-# This module impliments the protocal mode for a dx cluster
-#
-# Copyright (c) 1998 Dirk Koopman G1TLH
-#
-# $Id$
-# 
-
-package DXProt;
-
-@ISA = qw(DXChannel);
-
-use DXUtil;
-use DXChannel;
-use DXUser;
-use DXM;
-use DXProtVars;
-use DXCommandmode;
-use DXLog;
-use Spot;
-use DXProtout;
-use DXDebug;
-use Filter;
-use Local;
-use DXDb;
-use AnnTalk;
-use Geomag;
-use WCY;
-use BadWords;
-use DXHash;
-use Route;
-use Route::Node;
-use Script;
-use Investigate;
-use RouteDB;
-
-
-use strict;
-
-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
-			$allowzero $decode_dk0wcy $send_opernam @checklist
-			$eph_pc15_restime
-		   );
-
-$pc11_max_age = 1*3600;			# the maximum age for an incoming 'real-time' pc11
-$pc23_max_age = 1*3600;			# the maximum age for an incoming 'real-time' pc23
-
-$last_hour = time;				# last time I did an hourly periodic update
-%rcmds = ();                    # outstanding rcmd requests outbound
-%nodehops = ();                 # node specific hop control
-%pc19list = ();					# list of outstanding PC19s that haven't had PC16s on them
-
-$censorpc = 1;					# Do a BadWords::check on text fields and reject things
-								# loads of 'bad things'
-$baddx = new DXHash "baddx";
-$badspotter = new DXHash "badspotter";
-$badnode = new DXHash "badnode";
-$last10 = $last_pc50 = time;
-$ann_to_talk = 1;
-$rspfcheck = 1;
-$eph_restime = 180;
-$eph_info_restime = 60*60;
-$eph_pc15_restime = 6*60;
-$eph_pc34_restime = 30;
-$pingint = 5*60;
-$obscount = 2;
-$chatdupeage = 20 * 60 * 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
-
-@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) ],					# 
- undef ,						# pc16 has to be validated manually
- [ qw(i c c h) ],					# pc17
- [ qw(i m n) ],					# pc18
- undef ,						# pc19 has to be validated manually
- undef ,						# pc20 no validation
- [ qw(i c m h) ],					# pc21
- undef ,						# pc22 no validation
- [ qw(i d n n n n m c c h) ],		# pc23
- [ qw(i c p h) ],					# pc24
- [ qw(i c c n n) ],				# pc25
- [ qw(i f m d t m c c bc) ],		# pc26
- [ qw(i d n n n n m c c bc) ],	# pc27
- [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
- [ qw(i c c n m) ],				# pc29
- [ qw(i c c n) ],					# pc30
- [ qw(i c c n) ],					# pc31
- [ qw(i c c n) ],					# pc32
- [ qw(i c c n) ],					# pc33
- [ qw(i c c m) ],					# pc34
- [ qw(i c c m) ],					# pc35
- [ qw(i c c m) ],					# pc36
- [ qw(i c c n m) ],				# pc37
- undef,							# pc38 not interested
- [ qw(i c m) ],					# pc39
- [ qw(i c c m p n) ],				# pc40
- [ qw(i c n m h) ],				# pc41
- [ qw(i c c n) ],					# pc42
- undef,							# pc43 don't handle it
- [ qw(i c c n m m c) ],			# pc44
- [ qw(i c c n m) ],				# pc45
- [ qw(i c c n) ],					# pc46
- undef,							# pc47
- undef,							# pc48
- [ qw(i c m h) ],					# pc49
- [ qw(i c n h) ],					# pc50
- [ qw(i c c n) ],					# pc51
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,							# pc60
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,							# pc70
- undef,
- undef,
- [ qw(i d n n n n n n m m m c c h) ],	# pc73
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,
- undef,							# pc80
- undef,
- undef,
- undef,
- [ qw(i c c c m) ],				# pc84
- [ qw(i c c c m) ],				# pc85
- undef,
- undef,
- undef,
- undef,
- [ qw(i c n) ],					# pc90
-);
-
-# use the entry in the check list to check the field list presented
-# return OK if line NOT in check list (for now)
-sub check
-{
-	my $n = shift;
-	$n -= 10;
-	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] =~ /^[ \*]$/;
-		if ($act eq 'c') {
-			return $i unless is_callsign($_[$i]);
-		} elsif ($act eq 'i') {			
-			;					# do nothing
-		} elsif ($act eq 'm') {
-			return $i unless is_pctext($_[$i]);
-		} elsif ($act eq 'p') {
-			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 $@;
-
-	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->{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;
-}
-
-#
-# 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;
-
-	# if we have an entry already, then send a PC21 to all connect
-	# old style connections, because we are about to get the real deal
-	if (my $ref = Route::Node::get($call)) {
-		dbg("ROUTE: $call is already in the routing table, deleting") if isdbg('route');
-		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;
-
-	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};
-	$host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};
-	$host ||= "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());
-}
-
-#
-# This is the normal pcxx despatcher
-#
-sub normal
-{
-	my ($self, $line) = @_;
-
-	if ($line =~ '^<\w+\s' && $main::do_xml) {
-		DXXml::normal($self, $line);
-		return;
-	}
-
-	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
-		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;
-		}
-	}
-
-	# 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;
-	}
-
-	# 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;
-	}
-
-	# 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) );
-	}
-}
-
-# 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]);
-	
-	# 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;
-	}
-
-
-	# 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;
-		}
-	}
-
-	# 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;
-		}
-	}
-
-	# 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;
-	}
-
-	# 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) {
-
-		# 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;
-				}
-			}
-		}
-	
-		# 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);
-			}
-
-			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;
-					}
-				} 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) {
-		if (($_[3] =~ /spotter/i || $_[3] =~ /self/i) && $user->name && $user->name ne $_[3]) {
-			dbg("PCPROT: invalid name") if isdbg('chanerr');
-			return;
-		}
-		$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}};
-			}
-		}
-	}
-
-	Investigate::process();
-
-	# every ten seconds
-	if ($t - $last10 >= 10) {	
-		# clean out ephemera 
-
-		eph_clean();
-		import_chat();
-		
-
-		$last10 = $t;
-	}
-	
-	if ($main::systime - 3600 > $last_hour) {
-		$last_hour = $main::systime;
-	}
-}
-
-#
-# finish up a pc context
-#
-
-#
-# some active measures
-#
-
-
-sub send_dx_spot
-{
-	my $self = shift;
-	my $line = shift;
-	my @dxchan = DXChannel::get_all();
-	my $dxchan;
-	
-	# send it if it isn't the except list and isn't isolated and still has a hop count
-	# taking into account filtering and so on
-	foreach $dxchan (@dxchan) {
-		next if $dxchan == $main::me;
-		next if $dxchan == $self && $self->is_node;
-		$dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
-	}
-}
-
-sub dx_spot
-{
-	my $self = shift;
-	my $line = shift;
-	my $isolate = shift;
-	my ($filter, $hops);
-
-	if ($self->{spotsfilter}) {
-		($filter, $hops) = $self->{spotsfilter}->it(@_);
-		return unless $filter;
-	}
-	send_prot_line($self, $filter, $hops, $isolate, $line);
-}
-
-sub send_prot_line
-{
-	my ($self, $filter, $hops, $isolate, $line) = @_;
-	my $routeit;
-
-
-	if ($hops) {
-		$routeit = $line;
-		$routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
-	} else {
-		$routeit = adjust_hops($self, $line);  # adjust its hop count by node name
-		return unless $routeit;
-	}
-	if ($filter) {
-		$self->send($routeit);
-	} else {
-		$self->send($routeit) unless $self->{isolate} || $isolate;
-	}
-}
-
-
-sub send_wwv_spot
-{
-	my $self = shift;
-	my $line = shift;
-	my @dxchan = DXChannel::get_all();
-	my $dxchan;
-	my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[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) {
-		next if $dxchan == $main::me;
-		next if $dxchan == $self && $self->is_node;
-		my $routeit;
-		my ($filter, $hops);
-
-		$dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
-	}
-}
-
-sub wwv
-{
-	my $self = shift;
-	my $line = shift;
-	my $isolate = shift;
-	my ($filter, $hops);
-	
-	if ($self->{wwvfilter}) {
-		($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
-		return unless $filter;
-	}
-	send_prot_line($self, $filter, $hops, $isolate, $line)
-}
-
-sub send_wcy_spot
-{
-	my $self = shift;
-	my $line = shift;
-	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) {
-		next if $dxchan == $main::me;
-		next if $dxchan == $self;
-
-		$dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
-	}
-}
-
-sub wcy
-{
-	my $self = shift;
-	my $line = shift;
-	my $isolate = shift;
-	my ($filter, $hops);
-
-	if ($self->{wcyfilter}) {
-		($filter, $hops) = $self->{wcyfilter}->it(@_);
-		return unless $filter;
-	}
-	send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
-}
-
-# send an announce
-sub send_announce
-{
-	my $self = shift;
-	my $line = shift;
-	my @dxchan = DXChannel::get_all();
-	my $dxchan;
-	my $target;
-	my $to = 'To ';
-	my $text = unpad($_[2]);
-				
-	if ($_[3] eq '*') {	# sysops
-		$target = "SYSOP";
-	} elsif ($_[3] gt ' ') { # speciality list handling
-		my ($name) = split /\./, $_[3]; 
-		$target = "$name"; # put the rest in later (if bothered) 
-	} 
-	
-	if ($_[5] eq '1') {
-		$target = "WX"; 
-		$to = '';
-	}
-	$target = "ALL" if !$target;
-
-
-	# obtain country codes etc 
-	my @a = Prefix::cty_data($_[0]);
-	my @b = Prefix::cty_data($_[4]);
-	if ($self->{inannfilter}) {
-		my ($filter, $hops) = 
-			$self->{inannfilter}->it(@_, $self->{call}, 
-									 @a[0..2],
-									 @b[0..2], $a[3], $b[3]);
-		unless ($filter) {
-			dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
-			return;
-		}
-	}
-
-	if (AnnTalk::dup($_[0], $_[1], $_[2])) {
-		dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
-		return;
-	}
-
-	Log('ann', $target, $_[0], $text);
-
-	# send it if it isn't the except list and isn't isolated and still has a hop count
-	# taking into account filtering and so on
-	foreach $dxchan (@dxchan) {
-		next if $dxchan == $main::me;
-		next if $dxchan == $self && $self->is_node;
-		$dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
-						  @a[0..2], @b[0..2]);
-	}
-}
-
-my $msgid = 0;
-
-sub nextchatmsgid
-{
-	$msgid++;
-	$msgid = 1 if $msgid > 999;
-	return $msgid;
-}
-
-# send a chat line
-sub send_chat
-{
-	my $self = shift;
-	my $line = shift;
-	my @dxchan = DXChannel::get_all();
-	my $dxchan;
-	my $target = $_[3];
-	my $text = unpad($_[2]);
-	my $ak1a_line;
-				
-	# 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]);
-	my @b = Prefix::cty_data($_[4]);
-	if ($self->{inannfilter}) {
-		my ($filter, $hops) = 
-			$self->{inannfilter}->it(@_, $self->{call}, 
-									 @a[0..2],
-									 @b[0..2], $a[3], $b[3]);
-		unless ($filter) {
-			dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
-			return;
-		}
-	}
-
-	if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
-		dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
-		return;
-	}
-
-
-	Log('chat', $target, $_[0], $text);
-
-	# send it if it isn't the except list and isn't isolated and still has a hop count
-	# taking into account filtering and so on
-	foreach $dxchan (@dxchan) {
-		my $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 $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], 
-					  $text, @_, $self->{call}, @a[0..2], @b[0..2]);
-	}
-}
-
-sub 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;
-	}
-	send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
-}
-
-sub chat
-{
-	goto &announce;
-}
-
-
-sub send_local_config
-{
-	my $self = shift;
-	my $node;
-	my @nodes;
-	my @localnodes;
-	my @remotenodes;
-
-	dbg('DXProt::send_local_config') if isdbg('trace');
-	
-	# send our nodes
-	if ($self->{isolate}) {
-		@localnodes = ( $main::routeroot );
-		$self->send_route($main::mycall, \&pc19, 1, $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
-
-		# send locally connected nodes
-		my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
-		@localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
-		$self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
-
-		my $node;
-		my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
-		my @intcalls;
-		for $node (@rawintcalls) {
-			push @intcalls, $node unless grep $node eq $_, @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;
-		}
-		$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;
-		} else {
-			dbg("sent a null value") if isdbg('chanerr');
-		}
-	}
-}
-
-#
-# route a message down an appropriate interface for a callsign
-#
-# is called route(to, pcline);
-#
-
-sub route
-{
-	my ($self, $call, $line) = @_;
-
-	if (ref $self && $call eq $self->{call}) {
-		dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
-		return;
-	}
-
-	# always send it down the local interface if available
-	my $dxchan = DXChannel::get($call);
-	if ($dxchan) {
-		dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');
-	} else {
-		my $cl = Route::get($call);
-		$dxchan = $cl->dxchan if $cl;
-		if (ref $dxchan) {
-			if (ref $self && $dxchan eq $self) {
-				dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
-				return;
-			}
-			dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('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) {
-			$dxchan->send($routeit) unless $dxchan == $main::me;
-		}
-	} else {
-		dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
-	}
-}
-
-#
-# obtain the hops from the list for this callsign and pc no 
-#
-
-sub get_hops
-{
-	my $pcno = shift;
-	my $hops = $DXProt::hopcount{$pcno};
-	$hops = $DXProt::def_hopcount if !$hops;
-	return "H$hops";       
-}
-
-# 
-# adjust the hop count on a per node basis using the user loadable 
-# hop table if available or else decrement an existing one
-#
-
-sub adjust_hops
-{
-	my $self = shift;
-	my $s = shift;
-	my $call = $self->{call};
-	my $hops;
-	
-	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;
-		if ($ref) {
-			my $newhops = $ref->{$pcno};
-			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;
-		} else {
-			# simply decrement it
-			$hops--;
-			return "" if !$hops;
-			$s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
-		}
-	}
-	return $s;
-}
-
-# 
-# load hop tables
-#
-sub load_hops
-{
-	my $self = shift;
-	return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
-	do "$main::data/hop_table.pl";
-	return $@ if $@;
-	return ();
-}
-
-sub process_rcmd
-{
-	my ($self, $tonode, $fromnode, $user, $cmd) = @_;
-	if ($tonode eq $main::mycall) {
-		my $ref = DXUser->get_current($fromnode);
-		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!
-			if ($ref->{priv}) {		# you have to have SOME privilege, the commands have further filtering
-				$self->{remotecmd} = 1; # for the benefit of any command that needs to know
-				my $oldpriv = $self->{priv};
-				$self->{priv} = $ref->{priv}; # assume the user's privilege level
-				my @in = (DXCommandmode::run_cmd($self, $cmd));
-				$self->{priv} = $oldpriv;
-				$self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
-				delete $self->{remotecmd};
-			} else {
-				$self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
-			}
-		} else {
-			$self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
-		}
-	} else {
-		my $ref = DXUser->get_current($tonode);
-		if ($ref && $ref->is_clx) {
-			$self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
-		} else {
-			$self->route($tonode, pc34($fromnode, $tonode, $cmd));
-		}
-	}
-}
-
-sub process_rcmd_reply
-{
-	my ($self, $tonode, $fromnode, $user, $line) = @_;
-	if ($tonode eq $main::mycall) {
-		my $s = $rcmds{$fromnode};
-		if ($s) {
-			my $dxchan = DXChannel::get($s->{call});
-			my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);
-			$ref->send($line) if $ref;
-			delete $rcmds{$fromnode} if !$dxchan;
-		} else {
-			# send unsolicited ones to the sysop
-			my $dxchan = DXChannel::get($main::myalias);
-			$dxchan->send($line) if $dxchan;
-		}
-	} else {
-		my $ref = DXUser->get_current($tonode);
-		if ($ref && $ref->is_clx) {
-			$self->route($tonode, pc85($fromnode, $tonode, $user, $line));
-		} else {
-			$self->route($tonode, pc35($fromnode, $tonode, $line));
-		}
-	}
-}
-
-sub send_rcmd_reply
-{
-	my $self = shift;
-	my $tonode = shift;
-	my $fromnode = shift;
-	my $user = shift;
-	while (@_) {
-		my $line = shift;
-		$line =~ s/\s*$//;
-		Log('rcmd', 'out', $fromnode, $line);
-		if ($self->is_clx) {
-			$self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
-		} else {
-			$self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
-		}
-	}
-}
-
-# add a rcmd request to the rcmd queues
-sub addrcmd
-{
-	my ($self, $to, $cmd) = @_;
-
-	my $r = {};
-	$r->{call} = $self->{call};
-	$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) {
-		route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
-	} else {
-		route(undef, $to, pc34($main::mycall, $to, $cmd));
-	}
-}
-
-sub disconnect
-{
-	my $self = shift;
-	my $pc39flag = shift;
-	my $call = $self->call;
-
-	return if $self->{disconnecting}++;
-	
-	unless ($pc39flag && $pc39flag == 1) {
-		$self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
-	}
-
-	# get rid of any PC16/17/19
-	eph_del_regex("^PC1[679]*$call");
-
-	# 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");
-	}
-
-	# 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);
-
-	# send info to all logged in thingies
-	$self->tell_login('logoutn');
-
-	Log('DXProt', $call . " Disconnected");
-
-	$self->SUPER::disconnect;
-}
-
-
-# 
-# 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;
-}
-
-# 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
-
-sub send_route
-{
-	my $self = shift;
-	my $origin = shift;
-	my $generate = shift;
-	my $no = shift;     # the no of things to filter on 
-	my $routeit;
-	my ($filter, $hops);
-	my @rin;
-	
-	for (; @_ && $no; $no--) {
-		my $r = shift;
-		
-		if (!$self->{isolate} && $self->{routefilter}) {
-			$filter = undef;
-			if ($r) {
-				($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->{state}, $r->{state});
-				if ($filter) {
-					push @rin, $r;
-				} else {
-					dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
-				}
-			} else {
-				dbg("was sent a null value") if isdbg('chanerr');
-			}
-		} else {
-			push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
-		}
-	}
-	if (@rin) {
-		foreach my $line (&$generate(@rin, @_)) {
-			if ($hops) {
-				$routeit = $line;
-				$routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
-			} else {
-				$routeit = adjust_hops($self, $line);  # adjust its hop count by node name
-				next unless $routeit;
-			}
-			
-			$self->send($routeit);
-		}
-	}
-}
-
-sub broadcast_route
-{
-	my $self = shift;
-	my $origin = shift;
-	my $generate = shift;
-	my $line = shift;
-	my @dxchan = DXChannel::get_all_nodes();
-	my $dxchan;
-	
-	unless ($self->{isolate}) {
-		foreach $dxchan (@dxchan) {
-			next if $dxchan == $self;
-			next if $dxchan == $main::me;
-			next unless $dxchan->isa('DXProt');
-			next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
- 
-			$dxchan->send_route($origin, $generate, @_);
-		}
-	}
-}
-
-sub route_pc16
-{
-	my $self = shift;
-	return unless $self->user->wantpc16;
-	my $origin = shift;
-	my $line = shift;
-	broadcast_route($self, $origin, \&pc16, $line, 1, @_);
-}
-
-sub route_pc17
-{
-	my $self = shift;
-	return unless $self->user->wantpc16;
-	my $origin = shift;
-	my $line = shift;
-	broadcast_route($self, $origin, \&pc17, $line, 1, @_);
-}
-
-sub route_pc19
-{
-	my $self = shift;
-	my $origin = shift;
-	my $line = shift;
-	broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
-}
-
-sub route_pc21
-{
-	my $self = shift;
-	my $origin = shift;
-	my $line = shift;
-	broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
-}
-
-sub route_pc24
-{
-	my $self = shift;
-	my $origin = shift;
-	my $line = shift;
-	broadcast_route($self, $origin, \&pc24, $line, 1, @_);
-}
-
-sub route_pc41
-{
-	my $self = shift;
-	my $origin = shift;
-	my $line = shift;
-	broadcast_route($self, $origin, \&pc41, $line, 1, @_);
-}
-
-sub route_pc50
-{
-	my $self = shift;
-	my $origin = shift;
-	my $line = shift;
-	broadcast_route($self, $origin, \&pc50, $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');
-	}
-	return $filter;
-}
-
-sub eph_dup
-{
-	my $s = shift;
-	my $t = shift || $eph_restime;
-	my $r;
-
-	# chop the end off
-	$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'); 
-	return $r;
-}
-
-sub eph_del_regex
-{
-	my $regex = shift;
-	my ($key, $val);
-	while (($key, $val) = each %eph) {
-		if ($key =~ m{$regex}) {
-			delete $eph{$key};
-		}
-	}
-}
-
-sub eph_clean
-{
-	my ($key, $val);
-	
-	while (($key, $val) = each %eph) {
-		if ($main::systime >= $val) {
-			delete $eph{$key};
-		}
-	}
-}
-
-sub eph_list
-{
-	my ($key, $val);
-	my @out;
-
-	while (($key, $val) = each %eph) {
-		push @out, $key, $val;
-	}
-	return @out;
-}
-
-sub run_cmd
-{
-	goto &DXCommandmode::run_cmd;
-}
-
-
-# import any msgs in the chat directory
-# 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
-#
-sub import_chat
-{
-	# are there any to do in this directory?
-	return unless -d $chatimportfn;
-	unless (opendir(DIR, $chatimportfn)) {
-		dbg("can\'t open $chatimportfn $!") if isdbg('msg');
-		Log('msg', "can\'t open $chatimportfn $!");
-		return;
-	} 
-
-	my @names = readdir(DIR);
-	closedir(DIR);
-	my $name;
-	foreach $name (@names) {
-		next if $name =~ /^\./;
-		my $splitit = $name =~ /^split/;
-		my $fn = "$chatimportfn/$name";
-		next unless -f $fn;
-		unless (open(MSG, $fn)) {
-	 		dbg("can\'t open import file $fn $!") if isdbg('msg');
-			Log('msg', "can\'t open import file $fn $!");
-			unlink($fn);
-			next;
-		}
-		my @msg = map { s/\r?\n$//; $_ } <MSG>;
-		close(MSG);
-		unlink($fn);
-
-		my @cat = split /\./, $name;
-		my $target = uc $cat[0];
-
-		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());
-				}
-			} else {
-				my $msgid = nextchatmsgid();
-				$text = "#$msgid $text";
-				send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');
-			}
-		}
-	}
-}
-
-1;
-__END__ 
+#!/usr/bin/perl## This module impliments the protocal mode for a dx cluster## Copyright (c) 1998 Dirk Koopman G1TLH## $Id$#package DXProt;@ISA = qw(DXChannel);use DXUtil;use DXChannel;use DXUser;use DXM;use DXProtVars;use DXCommandmode;use DXLog;use Spot;use DXProtout;use DXDebug;use Filter;use Local;use DXDb;use AnnTalk;use Geomag;use WCY;use BadWords;use DXHash;use Route;use Route::Node;use Script;use RouteDB;use DXProtHandle;use strict;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			$allowzero $decode_dk0wcy $send_opernam @checklist			$eph_pc15_restime $pc92_update_period $last_pc92_update			%pc92_find $pc92_find_timeout		   );$pc11_max_age = 1*3600;			# the maximum age for an incoming 'real-time' pc11$pc23_max_age = 1*3600;			# the maximum age for an incoming 'real-time' pc23$last_hour = time;				# last time I did an hourly periodic update%rcmds = ();                    # outstanding rcmd requests outbound%nodehops = ();                 # node specific hop control%pc19list = ();					# list of outstanding PC19s that haven't had PC16s on them$censorpc = 1;					# Do a BadWords::check on text fields and reject things								# loads of 'bad things'$baddx = new DXHash "baddx";$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_pc15_restime = 6*60;$eph_pc34_restime = 30;$pingint = 5*60;$obscount = 2;$chatdupeage = 20 * 60 * 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$pc92_update_period = 30*60;	# the period between PC92 C updates$last_pc92_update = time + int rand(180);		# the last time a PC92 config update%pc92_find = ();				# outstanding pc92 find operations$pc92_find_timeout = 30;		# maximum time to wait for a reply@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) ],					# undef ,						# pc16 has to be validated manually [ qw(i c c h) ],					# pc17 [ qw(i m n) ],					# pc18 undef ,						# pc19 has to be validated manually undef ,						# pc20 no validation [ qw(i c m h) ],					# pc21 undef ,						# pc22 no validation [ qw(i d n n n n m c c h) ],		# pc23 [ qw(i c p h) ],					# pc24 [ qw(i c c n n) ],				# pc25 [ qw(i f m d t m c c bc) ],		# pc26 [ qw(i d n n n n m c c bc) ],	# pc27 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28 [ qw(i c c n m) ],				# pc29 [ qw(i c c n) ],					# pc30 [ qw(i c c n) ],					# pc31 [ qw(i c c n) ],					# pc32 [ qw(i c c n) ],					# pc33 [ qw(i c c m) ],					# pc34 [ qw(i c c m) ],					# pc35 [ qw(i c c m) ],					# pc36 [ qw(i c c n m) ],				# pc37 undef,							# pc38 not interested [ qw(i c m) ],					# pc39 [ qw(i c c m p n) ],				# pc40 [ qw(i c n m h) ],				# pc41 [ qw(i c c n) ],					# pc42 undef,							# pc43 don't handle it [ qw(i c c n m m c) ],			# pc44 [ qw(i c c n m) ],				# pc45 [ qw(i c c n) ],					# pc46 undef,							# pc47 undef,							# pc48 [ qw(i c m h) ],					# pc49 [ qw(i c n h) ],					# pc50 [ qw(i c c n) ],					# pc51 undef, undef, undef, undef, undef, undef, undef, undef, undef,							# pc60 undef, undef, undef, undef, undef, undef, undef, undef, undef, undef,							# pc70 undef, undef, [ qw(i d n n n n n n m m m c c h) ],	# pc73 undef, undef, undef, undef, undef, undef, undef,							# pc80 undef, undef, undef, [ qw(i c c c m) ],				# pc84 [ qw(i c c c m) ],				# pc85 undef, undef, undef, undef, [ qw(i c n) ],					# pc90);# use the entry in the check list to check the field list presented# return OK if line NOT in check list (for now)sub check{	my $n = shift;	$n -= 10;	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] =~ /^[ \*]$/;		if ($act eq 'c') {			return $i unless is_callsign($_[$i]);		} elsif ($act eq 'i') {			;					# do nothing		} elsif ($act eq 'm') {			return $i unless is_pctext($_[$i]);		} elsif ($act eq 'p') {			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 $@;	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->{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;	$main::me->{do_pc9x} = 1;}## 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;	# if we have an entry already, then send a PC21 to all connect	# old style connections, because we are about to get the real deal	if (my $ref = Route::Node::get($call)) {		dbg("ROUTE: $call is already in the routing table, deleting") if isdbg('route');		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;	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};	$host ||= "AGW Port #$self->{conn}->{agwport}" if exists $self->{conn}->{agwport};	$host ||= "unknown";	Log('DXProt', "$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 $self->{isolate};	# if there is no route input filter then specify a default one.	# obviously this can be changed later by the sysop.	if (!$self->{inroutefilter}) {		my $dxcc = $self->dxcc;		$Route::filterdef->cmd($self, 'route', 'accept', "input by_dxcc $dxcc" );	}	# 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;	$self->send(pc18());}## This is the normal pcxx despatcher#sub normal{	my ($self, $line) = @_;	if ($line =~ '^<\w+\s' && $main::do_xml) {		DXXml::normal($self, $line);		return;	}	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[$pcno-10]) . ")") if isdbg('chanerr');		return;	}	# modify the hop count here	if ($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";		}	}	# send it out for processing	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);	}}## 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}};			}		}	}	Investigate::process();	clean_pc92_find();	# every ten seconds	if ($t - $last10 >= 10) {		# clean out ephemera		eph_clean();		import_chat();		if ($main::systime >= $last_pc92_update + $pc92_update_period) {			dbg("ROUTE: sending pc92 update") if isdbg('route');			send_pc92_update();			time_out_pc92_routes();			$last_pc92_update = $main::systime + int rand(5*60);		}		$last10 = $t;	}	if ($main::systime - 3600 > $last_hour) {		$last_hour = $main::systime;	}}## finish up a pc context### some active measures#sub send_dx_spot{	my $self = shift;	my $line = shift;	my @dxchan = DXChannel::get_all();	my $dxchan;	# send it if it isn't the except list and isn't isolated and still has a hop count	# taking into account filtering and so on	foreach $dxchan (@dxchan) {		next if $dxchan == $main::me;		next if $dxchan == $self && $self->is_node;		$dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});	}}sub dx_spot{	my $self = shift;	my $line = shift;	my $isolate = shift;	my ($filter, $hops);	if ($self->{spotsfilter}) {		($filter, $hops) = $self->{spotsfilter}->it(@_);		return unless $filter;	}	send_prot_line($self, $filter, $hops, $isolate, $line);}sub send_prot_line{	my ($self, $filter, $hops, $isolate, $line) = @_;	my $routeit;	if ($hops) {		$routeit = $line;		$routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;	} else {		$routeit = adjust_hops($self, $line);  # adjust its hop count by node name		return unless $routeit;	}	if ($filter) {		$self->send($routeit);	} else {		$self->send($routeit) unless $self->{isolate} || $isolate;	}}sub send_wwv_spot{	my $self = shift;	my $line = shift;	my @dxchan = DXChannel::get_all();	my $dxchan;	my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[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) {		next if $dxchan == $main::me;		next if $dxchan == $self && $self->is_node;		my $routeit;		my ($filter, $hops);		$dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);	}}sub wwv{	my $self = shift;	my $line = shift;	my $isolate = shift;	my ($filter, $hops);	if ($self->{wwvfilter}) {		($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);		return unless $filter;	}	send_prot_line($self, $filter, $hops, $isolate, $line)}sub send_wcy_spot{	my $self = shift;	my $line = shift;	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) {		next if $dxchan == $main::me;		next if $dxchan == $self;		$dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);	}}sub wcy{	my $self = shift;	my $line = shift;	my $isolate = shift;	my ($filter, $hops);	if ($self->{wcyfilter}) {		($filter, $hops) = $self->{wcyfilter}->it(@_);		return unless $filter;	}	send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;}# send an announcesub send_announce{	my $self = shift;	my $from_pc9x = shift;	my $line = shift;	my @dxchan = DXChannel::get_all();	my $dxchan;	my $target = $_[6];	my $to = 'To ';	my $text = unpad($_[2]);	if ($_[3] eq '*') {	# sysops		$target = "SYSOP";	} elsif ($_[3] gt ' ') { # speciality list handling		my ($name) = split /\./, $_[3];		$target = "$name"; # put the rest in later (if bothered)	}	if ($_[5] eq '1') {		$target = "WX";		$to = '';	}	$target = "ALL" if !$target;	# obtain country codes etc	my @a = Prefix::cty_data($_[0]);	my @b = Prefix::cty_data($_[4]);	if ($self->{inannfilter}) {		my ($filter, $hops) =			$self->{inannfilter}->it(@_, $self->{call},									 @a[0..2],									 @b[0..2], $a[3], $b[3]);		unless ($filter) {			dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');			return;		}	}	if (AnnTalk::dup($_[0], $_[1], $_[2])) {		dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');		return;	}	Log('ann', $target, $_[0], $text);	# send it if it isn't the except list and isn't isolated and still has a hop count	# taking into account filtering and so on	foreach $dxchan (@dxchan) {		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;sub nextchatmsgid{	$msgid++;	$msgid = 1 if $msgid > 999;	return $msgid;}# send a chat linesub 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 $ak1a_line;	# munge the group and recast the line if required	if ($target =~ s/\.LST$//) {		$ak1a_line = $line;	}	# obtain country codes etc	my @a = Prefix::cty_data($_[0]);	my @b = Prefix::cty_data($_[4]);	if ($self->{inannfilter}) {		my ($filter, $hops) =			$self->{inannfilter}->it(@_, $self->{call},									 @a[0..2],									 @b[0..2], $a[3], $b[3]);		unless ($filter) {			dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');			return;		}	}	if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {		dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');		return;	}	Log('chat', $target, $_[0], $text);	# send it if it isn't the except list and isn't isolated and still has a hop count	# taking into account filtering and so on	foreach $dxchan (@dxchan) {		my $is_ak1a = $dxchan->is_ak1a;		if ($dxchan->is_node) {			next if $dxchan == $main::me;			next if $dxchan == $self;			next if $from_pc9x && $dxchan->{do_pc9x};			next unless $dxchan->is_spider || $is_ak1a;			next if $target eq 'LOCAL';			if (!$ak1a_line && $is_ak1a) {				$ak1a_line = pc12($_[0], $text, $_[1], "$target.LST");			}		}		$dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],					  $text, @_, $self->{call}, @a[0..2], @b[0..2]);	}}sub 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 $filter;	}	send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;}sub chat{	goto &announce;}sub send_local_config{	my $self = shift;	dbg('DXProt::send_local_config') if isdbg('trace');	# send our nodes	if ($self->{do_pc9x}) {		$self->send_pc92_config;	} else {		my $node;		my @nodes;		my @localnodes;		my @remotenodes;		if ($self->{isolate}) {			@localnodes = ( $main::routeroot );			$self->send_route($main::mycall, \&pc19, 1, $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			# send locally connected nodes			my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();			@localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;			$self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);			my $node;			my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;			my @intcalls;			for $node (@rawintcalls) {				push @intcalls, $node unless grep $node eq $_, @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;			}			$self->send_route($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;			} else {				dbg("sent a null value") if isdbg('chanerr');			}		}	}}sub gen_my_pc92_config{	my $node = shift;	if ($node->{call} eq $main::mycall) {		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($main::routeroot, @localnodes);	} else {		my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;		return pc92c($node, @rout);	}}sub gen_pc92_update{	my $self = shift;	my $with_pc92_nodes = shift;	my $node;	my @lines;	my @dxchan;	my @localnodes;	dbg('ROUTE: DXProt::gen_pc92_update start') if isdbg('routelow');	# send 'my' configuration for all channels	push @lines, gen_my_pc92_config($main::routeroot);	if ($with_pc92_nodes) {		# send out the configuration of all the directly connected PC92 nodes with current configuration		# but with the dates that the last config came in with.		@dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} && $_->{do_pc9x} } DXChannel::get_all_nodes();		dbg("ROUTE: pc92 dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');		@localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan;		dbg("ROUTE: pc92 localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');		foreach $node (@localnodes) {			if ($node && $node->lastid->{92}) {				my @rout = map {my $r = Route::get($_); $r ? ($r) : ()} $node->nodes, $node->users;				push @lines, gen_pc92_with_time($node->call, 'C', $node->lastid->{92}, @rout);			}		}	}	# send the configuration of all the directly connected 'external' nodes that don't handle PC92	# out with the 'external' marker on the first node.	@dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} && !$_->{do_pc9x} } DXChannel::get_all_nodes();	dbg("ROUTE: non pc92 dxchan: " . join(',', map{$_->{call}} @dxchan)) if isdbg('routelow');	@localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan;	dbg("ROUTE: non pc92 localnodes: " . join(',', map{$_->{call}} @localnodes)) if isdbg('routelow');	foreach $node (@localnodes) {		if ($node) {			push @lines, gen_my_pc92_config($node);		}	}	dbg('ROUTE: DXProt::gen_pc92_update end with ' . scalar @lines . ' lines') if isdbg('routelow');	return @lines;}sub send_pc92_config{	my $self = shift;	dbg('DXProt::send_pc92_config') if isdbg('trace');	my @out = $self->gen_pc92_update(1);	# send the complete config out on this interface	for (@out) {		$self->send($_);	}}sub send_pc92_update{	my @out = $main::me->gen_pc92_update(0);	# broadcast the lines to all PC92 nodes	for (@out) {		$main::me->broadcast_route_pc9x($main::mycall, undef, $_, 0);	}}sub time_out_pc92_routes{	my @nodes = grep {$_->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('route');				$dxchan->disconnect;				next;			}			my @parents = map {Route::Node::get($_)} $n->parents;			for (@parents) {				if ($_) {					dbg("ROUTE: deleting pc92 $_->{call} from $n->{call} on obscount") if isdbg('route');					push @rdel, $n->del($_);				}			}		} else {			dbg("ROUTE: obscount on $n->{call} now $o") if isdbg('route');		}	}	for (@rdel) {		$main::me->route_pc21($main::mycall, undef, $_) if $_;	}}## route a message down an appropriate interface for a callsign## is called route(to, pcline);#sub route{	my ($self, $call, $line) = @_;	if (ref $self && $call eq $self->{call}) {		dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');		return;	}	# always send it down the local interface if available	my $dxchan = DXChannel::get($call);	if ($dxchan) {		dbg("route: $call -> $dxchan->{call} direct" ) if isdbg('route');	} else {		my $cl = Route::get($call);		$dxchan = $cl->dxchan if $cl;		if (ref $dxchan) {			if (ref $self && $dxchan eq $self) {				dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');				return;			}			dbg("route: $call -> $dxchan->{call} using normal route" ) if isdbg('route');		}	}	# try the backstop method	unless ($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) {			$dxchan->send($routeit) unless $dxchan == $main::me;		}	} else {		dbg("PCPROT: No route available, dropped") if isdbg('chanerr');	}}## obtain the hops from the list for this callsign and pc no#sub get_hops{	my $pcno = shift;	my $hops = $DXProt::hopcount{$pcno};	$hops = $DXProt::def_hopcount if !$hops;	return "H$hops";}## adjust the hop count on a per node basis using the user loadable# hop table if available or else decrement an existing one#sub adjust_hops{	my $self = shift;	my $s = shift;	my $call = $self->{call};	my $hops;	if (($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;		if ($ref) {			my $newhops = $ref->{$pcno};			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;		}	}	return $s;}## load hop tables#sub load_hops{	my $self = shift;	return $self->msg('lh1') unless -e "$main::data/hop_table.pl";	do "$main::data/hop_table.pl";	return $@ if $@;	return ();}sub process_rcmd{	my ($self, $tonode, $fromnode, $user, $cmd) = @_;	if ($tonode eq $main::mycall) {		my $ref = DXUser->get_current($fromnode);		my $cref = Route::Node::get($fromnode);		Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);		if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!			if ($ref->{priv}) {		# you have to have SOME privilege, the commands have further filtering				$self->{remotecmd} = 1; # for the benefit of any command that needs to know				my $oldpriv = $self->{priv};				$self->{priv} = $ref->{priv}; # assume the user's privilege level				my @in = (DXCommandmode::run_cmd($self, $cmd));				$self->{priv} = $oldpriv;				$self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);				delete $self->{remotecmd};			} else {				$self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");			}		} else {			$self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");		}	} else {		my $ref = DXUser->get_current($tonode);		if ($ref && $ref->is_clx) {			$self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));		} else {			$self->route($tonode, pc34($fromnode, $tonode, $cmd));		}	}}sub process_rcmd_reply{	my ($self, $tonode, $fromnode, $user, $line) = @_;	if ($tonode eq $main::mycall) {		my $s = $rcmds{$fromnode};		if ($s) {			my $dxchan = DXChannel::get($s->{call});			my $ref = $user eq $tonode ? $dxchan : (DXChannel::get($user) || $dxchan);			$ref->send($line) if $ref;			delete $rcmds{$fromnode} if !$dxchan;		} else {			# send unsolicited ones to the sysop			my $dxchan = DXChannel::get($main::myalias);			$dxchan->send($line) if $dxchan;		}	} else {		my $ref = DXUser->get_current($tonode);		if ($ref && $ref->is_clx) {			$self->route($tonode, pc85($fromnode, $tonode, $user, $line));		} else {			$self->route($tonode, pc35($fromnode, $tonode, $line));		}	}}sub send_rcmd_reply{	my $self = shift;	my $tonode = shift;	my $fromnode = shift;	my $user = shift;	while (@_) {		my $line = shift;		$line =~ s/\s*$//;		Log('rcmd', 'out', $fromnode, $line);		if ($self->is_clx) {			$self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));		} else {			$self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));		}	}}# add a rcmd request to the rcmd queuessub addrcmd{	my ($self, $to, $cmd) = @_;	my $r = {};	$r->{call} = $self->{call};	$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) {		route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));	} else {		route(undef, $to, pc34($main::mycall, $to, $cmd));	}}sub disconnect{	my $self = shift;	my $pc39flag = shift;	my $call = $self->call;	return if $self->{disconnecting}++;	unless ($pc39flag && $pc39flag == 1) {		$self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));	}	# get rid of any PC16/17/19	eph_del_regex("^PC1[679]*$call");	# 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);	# 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;		$self->route_pc92d($main::mycall, undef, $main::routeroot, $node) if $node;	}	# remove outstanding pings	delete $pings{$call};	# I was the last node visited    $self->user->node($main::mycall);	# send info to all logged in thingies	$self->tell_login('logoutn');	Log('DXProt', $call . " Disconnected");	$self->SUPER::disconnect;}## send a talk message to this thingy#sub talk{	my ($self, $from, $to, $via, $line, $origin) = @_;	if ($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# taking into account filtering and so onsub send_route{	my $self = shift;	my $origin = shift;	my $generate = shift;	my $no = shift;     # the no of things to filter on	my $routeit;	my ($filter, $hops);	my @rin;	for (; @_ && $no; $no--) {		my $r = shift;		if (!$self->{isolate} && $self->{routefilter}) {			$filter = undef;			if ($r) {				($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->{state}, $r->{state});				if ($filter) {					push @rin, $r;				} else {					dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');				}			} else {				dbg("was sent a null value") if isdbg('chanerr');			}		} else {			push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;		}	}	if (@rin) {		foreach my $line (&$generate(@rin, @_)) {			if ($hops) {				$routeit = $line;				$routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;			} else {				$routeit = adjust_hops($self, $line);  # adjust its hop count by node name				next unless $routeit;			}			$self->send($routeit);		}	}}sub broadcast_route{	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;			next if $dxchan == $main::me;			next unless $dxchan->isa('DXProt');			next if $dxchan->{do_pc9x};			next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;			$dxchan->send_route($origin, $generate, @_);		}	}}# this is only used for next door nodes on initsub 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);}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->{do_pc9x};			next unless $dxchan->isa('DXProt');			$dxchan->send($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, @_);}sub route_pc17{	my $self = shift;	return unless $self->user->wantpc16;	my $origin = shift;	my $line = shift;	broadcast_route($self, $origin, \&pc17, $line, 1, @_);}sub route_pc19{	my $self = shift;	my $origin = shift;	my $line = shift;	broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);}sub route_pc21{	my $self = shift;	my $origin = shift;	my $line = shift;	broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);}sub route_pc24{	my $self = shift;	my $origin = shift;	my $line = shift;	broadcast_route($self, $origin, \&pc24, $line, 1, @_);}sub route_pc41{	my $self = shift;	my $origin = shift;	my $line = shift;	broadcast_route($self, $origin, \&pc41, $line, 1, @_);}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');	}	return $filter;}sub eph_dup{	my $s = shift;	my $t = shift || $eph_restime;	my $r;	# chop the end off	$s =~ s/\^H\d\d?\^?\~?$//;	$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');	return $r;}sub eph_del_regex{	my $regex = shift;	my ($key, $val);	while (($key, $val) = each %eph) {		if ($key =~ m{$regex}) {			delete $eph{$key};		}	}}sub eph_clean{	my ($key, $val);	while (($key, $val) = each %eph) {		if ($main::systime >= $val) {			delete $eph{$key};		}	}}sub eph_list{	my ($key, $val);	my @out;	while (($key, $val) = each %eph) {		push @out, $key, $val;	}	return @out;}sub run_cmd{	goto &DXCommandmode::run_cmd;}# import any msgs in the chat directory# 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#sub import_chat{	# are there any to do in this directory?	return unless -d $chatimportfn;	unless (opendir(DIR, $chatimportfn)) {		dbg("can\'t open $chatimportfn $!") if isdbg('msg');		Log('msg', "can\'t open $chatimportfn $!");		return;	}	my @names = readdir(DIR);	closedir(DIR);	my $name;	foreach $name (@names) {		next if $name =~ /^\./;		my $splitit = $name =~ /^split/;		my $fn = "$chatimportfn/$name";		next unless -f $fn;		unless (open(MSG, $fn)) {	 		dbg("can\'t open import file $fn $!") if isdbg('msg');			Log('msg', "can\'t open import file $fn $!");			unlink($fn);			next;		}		my @msg = map { s/\r?\n$//; $_ } <MSG>;		close(MSG);		unlink($fn);		my @cat = split /\./, $name;		my $target = uc $cat[0];		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());				}			} else {				my $msgid = nextchatmsgid();				$text = "#$msgid $text";				send_chat($main::me, pc12($main::mycall, $text, '*', $target), $main::mycall, '*', $text, $target, $main::mycall, '0');			}		}	}}# start a pc92 find operationsub start_pc92_find{	my $dxchan = shift;	my $target = shift;	my $key = "$dxchan->{call}|$target";	if ($pc92_find{$key}) {	}}# function (not method) to handle pc92 find returnssub handle_pc92_find_reply{	my ($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__
\ No newline at end of file