check for lower case letters in spotted calls
[spider.git] / perl / DXProt.pm
index 53bd418ba6fc63e7dc7d627f788a8a74c750a94f..5c6ca1fb928abd18426cce68525fedbcb3e20cf6 100644 (file)
@@ -27,12 +27,14 @@ use DXDb;
 use AnnTalk;
 use Geomag;
 use WCY;
-use Time::HiRes qw(gettimeofday tv_interval);
 use BadWords;
 use DXHash;
 use Route;
 use Route::Node;
 use Script;
+use Investigate;
+use RouteDB;
+
 
 use strict;
 
@@ -44,17 +46,20 @@ $main::branch += $BRANCH;
 
 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
                        $last_hour $last10 %eph  %pings %rcmds $ann_to_talk
-                       $pingint $obscount
+                       $pingint $obscount %pc19list $chatdupeage $chatimportfn
+                       $investigation_int $pc19_version $myprot_version
                        %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
-                       $allowzero $decode_dk0wcy $send_opernam @checklist);
+                       $allowzero $decode_dk0wcy $send_opernam @checklist
+                       $handle_xml);
 
 $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
-%pings = ();                    # outstanding ping requests outbound
 %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";
@@ -68,51 +73,56 @@ $eph_info_restime = 60*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
+$handle_xml = 0;                               # handle XML sentences
 
 @checklist = 
 (
- [ qw(c c m bp bc c) ],                        # pc10
- [ qw(f m d t m c c h) ],              # pc11
- [ qw(c bc m bp bm p h) ],             # pc12
- [ qw(c h) ],                                  # 
- [ qw(c h) ],                                  # 
- [ qw(c m h) ],                                        # 
+ [ 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(c c h) ],                                        # pc17
- [ qw(m n) ],                                  # pc18
+ [ qw(i c c h) ],                                      # pc17
+ [ qw(i m n) ],                                        # pc18
  undef ,                                               # pc19 has to be validated manually
  undef ,                                               # pc20 no validation
- [ qw(c m h) ],                                        # pc21
+ [ qw(i c m h) ],                                      # pc21
  undef ,                                               # pc22 no validation
- [ qw(d n n n n m c c h) ],            # pc23
- [ qw(c p h) ],                                        # pc24
- [ qw(c c n n) ],                              # pc25
- [ qw(f m d t m c c bc) ],             # pc26
- [ qw(d n n n n m c c bc) ],   # pc27
- [ qw(c c m c d t p m bp n p bp bc) ], # pc28
- [ qw(c c n m) ],                              # pc29
- [ qw(c c n) ],                                        # pc30
- [ qw(c c n) ],                                        # pc31
- [ qw(c c n) ],                                        # pc32
- [ qw(c c n) ],                                        # pc33
- [ qw(c c m) ],                                        # pc34
- [ qw(c c m) ],                                        # pc35
- [ qw(c c m) ],                                        # pc36
- [ qw(c c n m) ],                              # pc37
+ [ 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(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(c m) ],                                  # pc39
- [ qw(c c m p n) ],                            # pc40
- [ qw(c n m h) ],                              # pc41
- [ qw(c c n) ],                                        # pc42
+ [ 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(c c n m m c) ],                  # pc44
- [ qw(c c n m) ],                              # pc45
- [ qw(c c n) ],                                        # pc46
+ [ 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(c m h) ],                                        # pc49
- [ qw(c n h) ],                                        # pc50
- [ qw(c c n) ],                                        # pc51
+ [ qw(i c m h) ],                                      # pc49
+ [ qw(i c n h) ],                                      # pc50
+ [ qw(i c c n) ],                                      # pc51
  undef,
  undef,
  undef,
@@ -134,7 +144,7 @@ $obscount = 2;
  undef,                                                        # pc70
  undef,
  undef,
- [ qw(d n n n n n n m m m c c h) ],    # pc73
+ [ qw(i d n n n n n n m m m c c h) ],  # pc73
  undef,
  undef,
  undef,
@@ -145,8 +155,13 @@ $obscount = 2;
  undef,
  undef,
  undef,
- [ qw(c c c m) ],                              # pc84
- [ qw(c c c m) ],                              # pc85
+ [ 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
@@ -160,28 +175,29 @@ sub check
        return 0 unless ref $ref;
        
        my $i;
-       shift;    # not interested in the first field
-       for ($i = 0; $i < @$ref; $i++) {
+       for ($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 $i+1 unless is_callsign($_[$i]);
+                       return $i unless is_callsign($_[$i]);
+               } elsif ($act eq 'i') {                 
+                       ;                                       # do nothing
                } elsif ($act eq 'm') {
-                       return $i+1 unless is_pctext($_[$i]);
+                       return $i unless is_pctext($_[$i]);
                } elsif ($act eq 'p') {
-                       return $i+1 unless is_pcflag($_[$i]);
+                       return $i unless is_pcflag($_[$i]);
                } elsif ($act eq 'f') {
-                       return $i+1 unless is_freq($_[$i]);
+                       return $i unless is_freq($_[$i]);
                } elsif ($act eq 'n') {
-                       return $i+1 unless $_[$i] =~ /^[\d ]+$/;
+                       return $i unless $_[$i] =~ /^[\d ]+$/;
                } elsif ($act eq 'h') {
-                       return $i+1 unless $_[$i] =~ /^H\d\d?$/;
+                       return $i unless $_[$i] =~ /^H\d\d?$/;
                } elsif ($act eq 'd') {
-                       return $i+1 unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
+                       return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
                } elsif ($act eq 't') {
-                       return $i+1 unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
-               }
+                       return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
+               } 
        }
        return 0;
 }
@@ -190,6 +206,21 @@ sub init
 {
        do "$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;
 }
 
 #
@@ -218,7 +249,10 @@ sub start
        my $user = $self->{user};
 
        # log it
-       my $host = $self->{conn}->{peerhost} || "unknown";
+       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
@@ -265,7 +299,7 @@ sub start
        $self->{pingave} = 999;
        $self->{metric} ||= 100;
        $self->{lastping} = $main::systime;
-
+       
        # send initialisation string
        unless ($self->{outbound}) {
                $self->sendinit;
@@ -298,6 +332,12 @@ sub sendinit
 sub normal
 {
        my ($self, $line) = @_;
+
+       if ($line =~ '^<\w+\s') {
+               DXXml::normal($self, $line);
+               return;
+       }
+
        my @field = split /\^/, $line;
        return unless @field;
        
@@ -308,8 +348,10 @@ sub normal
        
        # process PC frames, this will fail unless the frame starts PCnn
        my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
-       return unless $pcno;
-       return if $pcno < 10 || $pcno > 99;
+       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);
@@ -318,968 +360,1308 @@ sub normal
                return;
        }
 
-       # local processing 1
-       my $pcr;
-       eval {
-               $pcr = Local::pcprot($self, $pcno, @field);
-       };
-#      dbg("Local::pcprot error $@") if isdbg('local') if $@;
-       return if $pcr;
+       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);
+       }
+}
        
- SWITCH: {
-               if ($pcno == 10) {              # incoming talk
+# 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, $field[6], $field[1]);
+       # rsfp check
+       return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
                        
-                       # will we allow it at all?
-                       if ($censorpc) {
-                               my @bad;
-                               if (@bad = BadWords::check($field[3])) {
-                                       dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
-                                       return;
-                               }
-                       }
+       # 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 = $field[1];
-                       if ($field[5] gt ' ') {
-                               $via = $field[2];
-                               $to = $field[5];
-                       } else {
-                               $to = $field[2];
-                       }
+       # is it for me or one of mine?
+       my ($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 ($badnode->in($field[6]) || ($via && $badnode->in($via))) {
-                               dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
-                               return;
-                       }
+       # 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 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, $field[3]) && AnnTalk::dup($from, $to, $field[3])) {
-                                       dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
-                                       return;
-                               }
-                       }
+       # if we are converting announces to talk is it a dup?
+       if ($ann_to_talk) {
+               if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
+                       dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
+                       return;
+               }
+       }
 
-                       # it is here and logged on
-                       $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
-                       $dxchan = DXChannel->get($to) unless $dxchan;
-                       if ($dxchan && $dxchan->is_user) {
-                               $field[3] =~ s/\%5E/^/g;
-                               $dxchan->talk($from, $to, $via, $field[3]);
-                               return;
-                       }
+       # remember a route to this node and also the node on which this user is
+       RouteDB::update($_[6], $self->{call});
+#      RouteDB::update($to, $_[6]);
 
-                       # 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, $field[3], $field[6]);
-                               return;
-                       }
+       # it is here and logged on
+       $dxchan = DXChannel::get($main::myalias) if $to eq $main::mycall;
+       $dxchan = DXChannel::get($to) unless $dxchan;
+       if ($dxchan && $dxchan->is_user) {
+               $_[3] =~ s/\%5E/^/g;
+               $dxchan->talk($from, $to, $via, $_[3]);
+               return;
+       }
 
-                       # not visible here, send a message of condolence
-                       $vref = undef;
-                       $ref = Route::get($from);
-                       $vref = $ref = Route::Node::get($field[6]) unless $ref; 
-                       if ($ref) {
-                               $dxchan = $ref->dxchan;
-                               $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
-                       }
+       # is it elsewhere, visible on the cluster via the to address?
+       # note: this discards the via unless the to address is on
+       # the via address
+       my ($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], $line);
                        return;
                }
-               
-               if ($pcno == 11 || $pcno == 26) { # dx spot
-
-                       # route 'foreign' pc26s 
-                       if ($pcno == 26) {
-                               if ($field[7] ne $main::mycall) {
-                                       $self->route($field[7], $line);
-                                       return;
-                               }
-                       }
+       }
                        
-                       # rsfp check
-#                      return if $rspfcheck and !$self->rspfcheck(1, $field[7], $field[6]);
+       # 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 ($badnode->in($field[7])) {
-                               dbg("PCPROT: Bad Node, 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 = $field[6];
-                       $nossid =~ s/-\d+$//;
-                       if ($badspotter->in($nossid)) {
-                               dbg("PCPROT: Bad Spotter, 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 $d = cltounix($field[3], $field[4]);
-                       # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
-                       if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
-                               dbg("PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n") 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 ($baddx->in($field[2]) || BadWords::check($field[2]) || $field[2] =~ /COCK/) {
-                               dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
-                               return;
-                       }
+       # is it 'baddx'
+       if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
+               dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
+               return;
+       }
                        
-                       # do some de-duping
-                       $field[5] =~ s/^\s+//;      # take any leading blanks off
-                       $field[2] = unpad($field[2]);   # take off leading and trailing blanks from spotted callsign
-                       if ($field[2] =~ /BUST\w*$/) {
-                               dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
-                               return;
-                       }
-                       if ($censorpc) {
-                               my @bad;
-                               if (@bad = BadWords::check($field[5])) {
-                                       dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
-                                       return;
-                               }
-                       }
-
+       # do some de-duping
+       $_[5] =~ s/^\s+//;                      # take any leading blanks off
+       $_[2] = unpad($_[2]);           # take off leading and trailing blanks from spotted callsign
+       if ($_[2] =~ /BUST\w*$/) {
+               dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
+               return;
+       }
+       if ($censorpc) {
+               my @bad;
+               if (@bad = BadWords::check($_[5])) {
+                       dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
+                       return;
+               }
+       }
 
-                       my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
-                       # global spot filtering on INPUT
-                       if ($self->{inspotsfilter}) {
-                               my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
-                               unless ($filter) {
-                                       dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
-                                       return;
-                               }
-                       }
+       # 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($field[1], $field[2], $d, $field[5], $field[6])) {
-                               dbg("PCPROT: Duplicate Spot ignored\n") 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);
+       # 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
-            #
+       #
+       # @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;
-                                       }
-                               }
+       # 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 = $node->dxchan;
+               # send a remote command to a distant cluster if it is visible and there is no
+               # qra locator and we havn't done it for a month.
+
+               unless ($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, $cmd));
                                                }
-                                               if ($to ne $field[7]) {
-                                                       $to = $field[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;
                                        }
                                }
+                               $user->lastoper($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;
+       # 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($_[3])) {
+                       dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
                        return;
                }
-               
-               if ($pcno == 12) {              # announces
+       }
+
+       # 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;
+       }
 
-#                      return if $rspfcheck and !$self->rspfcheck(1, $field[5], $field[1]);
 
-                       # announce duplicate checking
-                       $field[3] =~ s/^\s+//;  # remove leading blanks
+       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;
+               }
 
-                       if ($censorpc) {
-                               my @bad;
-                               if (@bad = BadWords::check($field[3])) {
-                                       dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
+               # here's a bit of fun, convert incoming ann with a callsign in the first word
+               # or one saying 'to <call>' to a talk if we can route to the recipient
+               if ($ann_to_talk) {
+                       my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
+                       if ($call) {
+                               my $ref = Route::get($call);
+                               if ($ref) {
+                                       $dxchan = $ref->dxchan;
+                                       $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
                                        return;
                                }
                        }
+               }
+       
+               # send it
+               $self->send_announce($line, @_[1..6]);
+       } else {
+               $self->route($_[2], $line);
+       }
+}
+               
+# incoming user                
+sub handle_16
+{
+       my $self = shift;
+       my $pcno = shift;
+       my $line = shift;
+       my $origin = shift;
 
-                       # if this is a 'nodx' node then ignore it
-                       if ($badnode->in($field[5])) {
-                               dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
-                               return;
-                       }
+       # 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 config on this node from outside!") if isdbg('chanerr');
+               return;
+       }
 
-                       # if this is a 'bad spotter' user then ignore it
-                       my $nossid = $field[1];
-                       $nossid =~ s/-\d+$//;
-                       if ($badspotter->in($nossid)) {
-                               dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
-                               return;
-                       }
+       RouteDB::update($ncall, $self->{call});
 
-                       if ($field[2] eq '*' || $field[2] eq $main::mycall) {
+       # do we believe this call? 
+       unless ($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;
+       }
 
-                               # 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 $call = AnnTalk::is_talk_candidate($field[1], $field[3]);
-                                       if ($call) {
-                                               my $ref = Route::get($call);
-                                               if ($ref) {
-                                                       my $dxchan = $ref->dxchan;
-                                                       $dxchan->talk($field[1], $call, undef, $field[3], $field[5]) if $dxchan != $self;
-                                                       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;
                                }
-       
-                               # send it
-                               $self->send_announce($line, @field[1..6]);
-                       } else {
-                               $self->route($field[2], $line);
+                               delete $pc19list{$ncall};
                        }
+               } else {
+                       dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
                        return;
                }
-               
-               if ($pcno == 13) {
-                       last SWITCH;
-               }
-               if ($pcno == 14) {
-                       last SWITCH;
-               }
-               if ($pcno == 15) {
-                       last SWITCH;
+       } else {
+                               
+               $dxchan = $parent->dxchan;
+               if ($dxchan && $dxchan ne $self) {
+                       dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
+                       return;
                }
-               
-               if ($pcno == 16) {              # add a user
-
-                       if (eph_dup($line)) {
-                               dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
-                               return;
-                       }
 
-                       # general checks
-                       my $dxchan;
-                       my $ncall = $field[1];
-                       my $newline = "PC16^";
-                       
-                       # do I want users from this channel?
-                       unless ($self->user->wantpc16) {
-                               dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
-                               return;
-                       }
-                       # is it me?
-                       if ($ncall eq $main::mycall) {
-                               dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
-                               return;
-                       }
-                       my $parent = Route::Node::get($ncall); 
-                       unless ($parent) {
-                               dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
-                               return;
-                       }
-                       $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);
+       }
 
-                       # input filter if required
-                       return unless $self->in_filter_route($parent);
-                       
-                       my $i;
-                       my @rout;
-                       for ($i = 2; $i < $#field; $i++) {
-                               my ($call, $conf, $here) = $field[$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 '*';
+       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;
 
-                               # 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: $call is a node") if isdbg('chanerr');
-                                       next;
-                               }
+               eph_del_regex("^PC17\\^$call\\^$ncall");
                                
-                               $r = Route::User::get($call);
-                               my $flags = Route::here($here)|Route::conf($conf);
+               $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;
+               }
                                
-                               if ($r) {
-                                       if ($r->flags != $flags) {
-                                               $r->flags($flags);
-                                               push @rout, $r;
-                                       }
-                                       $r->addparent($parent);
-                               } else {
-                                       push @rout, $parent->add_user($call, $flags);
-                               }
+               $r = Route::User::get($call);
+               my $flags = Route::here($here)|Route::conf($conf);
                                
-                               # 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);
-                               $user->put;
+               if ($r) {
+                       my $au = $r->addparent($parent);                                        
+                       if ($r->flags != $flags) {
+                               $r->flags($flags);
+                               $au = $r;
                        }
-                       
-                       # queue up any messages (look for privates only)
-                       DXMsg::queue_msg(1) if $self->state eq 'normal';     
-
-                       $self->route_pc16($parent, @rout) if @rout;
-                       return;
+                       push @rout, $r if $au;
+               } else {
+                       push @rout, $parent->add_user($call, $flags);
                }
                
-               if ($pcno == 17) {              # remove a user
-                       my $dxchan;
-                       my $ncall = $field[2];
-                       my $ucall = $field[1];
+                               
+               # 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");
+       eph_del_regex("^PC16\\^$ncall.*$ucall");
                        
-                       # do I want users from this channel?
-                       unless ($self->user->wantpc16) {
-                               dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
-                               return;
-                       }
-                       if ($ncall eq $main::mycall) {
-                               dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
-                               return;
-                       }
+       # do I want users from this channel?
+       unless ($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;
+       }
 
-                       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 $ncall not in config") if isdbg('chanerr');
-                               return;
-                       }                       
+       RouteDB::delete($ncall, $self->{call});
 
-                       $dxchan = $parent->dxchan;
-                       if ($dxchan && $dxchan ne $self) {
-                               dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
-                               return;
-                       }
+       # do we believe this call? 
+       unless ($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;
+       }
 
-                       # input filter if required
-                       return unless $self->in_filter_route($parent);
-                       
-                       $parent->del_user($uref);
+       my $uref = Route::User::get($ucall);
+       unless ($uref) {
+               dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
+       }
+       my $parent = Route::Node::get($ncall);
+       unless ($parent) {
+               dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
+       }                       
+
+       $dxchan = $parent->dxchan if $parent;
+       if ($dxchan && $dxchan ne $self) {
+               dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
+               return;
+       }
 
-                       if (eph_dup($line)) {
-                               dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
-                               return;
-                       }
+       # input filter if required and then remove user if present
+       if ($parent) {
+#              return unless $self->in_filter_route($parent);  
+               $parent->del_user($uref) if $uref;
+       } else {
+               $parent = Route->new($ncall);  # throw away
+       }
 
-                       $self->route_pc17($parent, $uref);
-                       return;
+       if (eph_dup($line)) {
+               dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
+               return;
+       }
+
+       $uref = Route->new($ucall) unless $uref; # throw away
+       $self->route_pc17($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 $main::do_xml && $_[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());
+}
                
-               if ($pcno == 18) {              # link request
-                       $self->state('init');   
-
-                       # record the type and version offered
-                       if ($field[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
-                               $self->version(53 + $1);
-                               $self->user->version(53 + $1);
-                               $self->build(0 + $2);
-                               $self->user->build(0 + $2);
-                               unless ($self->is_spider) {
-                                       $self->user->sort('S');
-                                       $self->user->put;
-                                       $self->sort('S');
-                               }
-                       } else {
-                               $self->version(50.0);
-                               $self->version($field[2] / 100) if $field[2] && $field[2] =~ /^\d+$/;
-                               $self->user->version($self->version);
-                       }
+# 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;
+       }
 
-                       # first clear out any nodes on this dxchannel
-                       my $parent = Route::Node::get($self->{call});
-                       my @rout = $parent->del_nodes;
-                       $self->route_pc21(@rout, $parent) if @rout;
-                       $self->send_local_config();
-                       $self->send(pc20());
-                       return;             # we don't pass these on
+       # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
+       if ($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;
+                       $user->put;
                }
-               
-               if ($pcno == 19) {              # incoming cluster list
-                       my $i;
-                       my $newline = "PC19^";
+               $parent = $op;
+       }
 
-                       if (eph_dup($line)) {
-                               dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
-                               return;
-                       }
+       # parse the PC19
+       for ($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);
 
-                       # new routing list
-                       my @rout;
-                       my $parent = Route::Node::get($self->{call});
-                       unless ($parent) {
-                               dbg("DXPROT: my parent $self->{call} has disappeared");
-                               $self->disconnect;
-                               return;
+               eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
+                               
+               # check for sane parameters
+               #                               $ver = 5000 if $ver eq '0000';
+               next if $ver < 5000;    # only works with version 5 software
+               next if length $call < 3; # min 3 letter callsigns
+               next if $call eq $main::mycall;
+
+               # 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;
+               }
 
-                       # parse the PC19
-                       for ($i = 1; $i < $#field-1; $i += 4) {
-                               my $here = $field[$i];
-                               my $call = uc $field[$i+1];
-                               my $conf = $field[$i+2];
-                               my $ver = $field[$i+3];
-                               next unless defined $here && defined $conf && is_callsign($call);
+               if (eph_dup($genline)) {
+                       dbg("PCPROT: dup PC19 for $call detected") if isdbg('chanerr');
+                       next;
+               }
 
-                               eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
-                               
-                               # check for sane parameters
-#                              $ver = 5000 if $ver eq '0000';
-                               next if $ver < 5000; # only works with version 5 software
-                               next if length $call < 3; # min 3 letter callsigns
-                               next if $call eq $main::mycall;
-
-                               # 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');
+               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 {
 
-                               # update it if required
-                               my $r = Route::Node::get($call);
-                               my $flags = Route::here($here)|Route::conf($conf);
-                               if ($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 $ar;
-                                       }
+                       # if he is directly connected or allowed then add him, otherwise store him up for later
+                       if ($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 $ar;
                                } else {
-                                       if ($call eq $self->{call}) {
-                                               dbg("DXPROT: my channel route for $call has disappeared");
-                                               next;
-                                       };
-                                       
-                                       my $new = Route->new($call);          # throw away
-                                   if ($self->in_filter_route($new)) {
-                                               my $r = $parent->add($call, $ver, $flags);
-                                               push @rout, $r;
-                                       } else {
-                                               next;
-                                       }
+                                       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;
+               # 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;
                                
-                               # add this station to the user database, if required (don't remove SSID from nodes)
-                               my $user = DXUser->get_current($call);
-                               if (!$user) {
-                                       $user = DXUser->new($call);
-                                       $user->sort('A');
-                                       $user->priv(1);                   # I have relented and defaulted nodes
-                                       $user->lockout(1);
-                                       $user->homenode($call);
-                                       $user->node($call);
-                               }
-                               $user->lastin($main::systime) unless DXChannel->get($call);
-                               $user->put;
-                       }
+               $user->lastin($main::systime) unless DXChannel::get($call);
+               $user->put;
+       }
 
 
-                       $self->route_pc19(@rout) if @rout;
-                       return;
-               }
+       $self->route_pc19($origin, $line, @rout) if @rout;
+}
                
-               if ($pcno == 20) {              # send local configuration
-                       $self->send_local_config();
-                       $self->send(pc22());
-                       $self->state('normal');
-                       $self->{lastping} = 0;
-                       return;
-               }
+# 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;
+}
                
-               if ($pcno == 21) {              # delete a cluster from the list
-                       my $call = uc $field[1];
+# 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[79].*$call");
+       eph_del_regex("^PC1[679].*$call");
                        
-                       # if I get a PC21 from the same callsign as self then treat it
-                       # as a PC39: I have gone away
-                       if ($call eq $self->call) {
-                               $self->disconnect(1);
-                               return;
-                       }
-
-                       my @rout;
-                       my $parent = Route::Node::get($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;
-                       }
+       # 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;
+       }
 
-#                      if (eph_dup($line)) {
-#                              dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
-#                              return;
-#                      }
+       RouteDB::delete($call, $self->{call});
 
-                       $self->route_pc21(@rout) if @rout;
-                       return;
+       # check if we believe this
+       unless ($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 $self->{call}") if isdbg('chanerr');
                }
-               
-               if ($pcno == 22) {
-                       $self->state('normal');
-                       $self->{lastping} = 0;
+               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");
+                       $self->disconnect;
                        return;
                }
-                               
-               if ($pcno == 23 || $pcno == 27) { # WWV info
-                       
-                       # route 'foreign' pc27s 
-                       if ($pcno == 27) {
-                               if ($field[8] ne $main::mycall) {
-                                       $self->route($field[8], $line);
+               if ($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;
+               }
+       }
 
-                       return if $rspfcheck and !$self->rspfcheck(1, $field[8], $field[7]);
-
-                       # do some de-duping
-                       my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
-                       my $sfi = unpad($field[3]);
-                       my $k = unpad($field[4]);
-                       my $i = unpad($field[5]);
-                       my ($r) = $field[6] =~ /R=(\d+)/;
-                       $r = 0 unless $r;
-                       if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
-                               dbg("PCPROT: WWV Date ($field[1] $field[2]) out of range") if isdbg('chanerr');
-                               return;
-                       }
-                       if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
-                               dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
-                               return;
-                       }
-                       $field[7] =~ s/-\d+$//o;            # remove spotter's ssid
+       $self->route_pc21($origin, $line, @rout) if @rout;
+}
                
-                       my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
 
-                       my $rep;
-                       eval {
-                               $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
-                       };
-#                      dbg("Local::wwv2 error $@") if isdbg('local') if $@;
-                       return if $rep;
+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])
+       }
 
-                       # DON'T be silly and send on PC27s!
-                       return if $pcno == 27;
+       # 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;
+       }
 
-                       # broadcast to the eager world
-                       send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
+       # global wwv filtering on INPUT
+       my @dxcc = ((Prefix::cty_data($_[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]);
+}
                
-               if ($pcno == 24) {              # set here status
-                       my $call = uc $field[1];
-                       my ($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
+# 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
                        
-                       unless (eph_dup($line)) {
-                               $nref->here($field[2]) if $nref;
-                               $uref->here($field[2]) if $uref;
-                               my $ref = $nref || $uref;
-                               return unless $self->in_filter_route($ref);
-                               $self->route_pc24($ref, $field[3]);
-                       }
-                       return;
-               }
+       if (eph_dup($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]);
+}
                
-               if ($pcno == 25) {      # merge request
-                       if ($field[1] ne $main::mycall) {
-                               $self->route($field[1], $line);
-                               return;
-                       }
-                       if ($field[2] eq $main::mycall) {
-                               dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
-                               return;
-                       }
+# 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 $field[3] spots and $field[4] WWV from $field[2]");
+       Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
                        
-                       # spots
-                       if ($field[3] > 0) {
-                               my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
-                               my $in;
-                               foreach $in (@in) {
-                                       $self->send(pc26(@{$in}[0..4], $field[2]));
-                               }
-                       }
-
-                       # wwv
-                       if ($field[4] > 0) {
-                               my @in = reverse Geomag::search(0, $field[4], time, 1);
-                               my $in;
-                               foreach $in (@in) {
-                                       $self->send(pc27(@{$in}[0..5], $field[2]));
-                               }
-                       }
-                       return;
+       # spots
+       if ($_[3] > 0) {
+               my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
+               my $in;
+               foreach $in (@in) {
+                       $self->send(pc26(@{$in}[0..4], $_[2]));
                }
+       }
 
-               if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
-                       return if $pcno == 49 && eph_dup($line);
-                       if ($pcno == 49 || $field[1] eq $main::mycall) {
-                               DXMsg::process($self, $line);
-                       } else {
-                               $self->route($field[1], $line) unless $self->is_clx;
-                       }
-                       return;
+       # wwv
+       if ($_[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}
                
-               if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
-                       if (eph_dup($line, $eph_pc34_restime)) {
-                               dbg("PCPROT: dupe") if isdbg('chanerr');
-                       } else {
-                               $self->process_rcmd($field[1], $field[2], $field[2], $field[3]);
-                       }
-                       return;
-               }
+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]);
+       }
+}
                
-               if ($pcno == 35) {              # remote command replies
-                       eph_del_regex("^PC35\\^$field[2]\\^$field[1]\\^");
-                       $self->process_rcmd_reply($field[1], $field[2], $field[1], $field[3]);
-                       return;
-               }
+# 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]);
+}
                
-               # for pc 37 see 44 onwards
+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];
 
-               if ($pcno == 38) {              # node connected list from neighbour
+       my $l = $line;
+       $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
+       if (eph_dup($l, $eph_info_restime)) {
+               dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
+               return;
+       }
+                       
+       # input filter if required
+       #                       my $ref = Route::get($call) || Route->new($call);
+       #                       return unless $self->in_filter_route($ref);
+
+       if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
+               dbg('PCPROT: invalid value') if isdbg('chanerr');
+               return;
+       }
+
+       # add this station to the user database, if required
+       my $user = DXUser->get_current($call);
+       $user = DXUser->new($call) unless $user;
+                       
+       if ($_[2] == 1) {
+               $user->name($_[3]);
+       } elsif ($_[2] == 2) {
+               $user->qth($_[3]);
+       } elsif ($_[2] == 3) {
+               if (is_latlong($_[3])) {
+                       my ($lat, $long) = DXBearing::stoll($_[3]);
+                       $user->lat($lat);
+                       $user->long($long);
+                       $user->qra(DXBearing::lltoqra($lat, $long));
+               } else {
+                       dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
                        return;
                }
-               
-               if ($pcno == 39) {              # incoming disconnect
-                       if ($field[1] eq $self->{call}) {
-                               $self->disconnect(1);
-                       } else {
-                               dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
-                       }
+       } elsif ($_[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 $_[3]);
+               } else {
+                       dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
                        return;
                }
-               
-               if ($pcno == 41) {              # user info
-                       my $call = $field[1];
+       }
+       $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
+       $user->put;
 
-                       if (eph_dup($line, $eph_info_restime)) {
-                               dbg("PCPROT: dupe") if isdbg('chanerr');
-                               return;
-                       }
-                       
-                       # input filter if required
-#                      my $ref = Route::get($call) || Route->new($call);
-#                      return unless $self->in_filter_route($ref);
+       unless ($self->{isolate}) {
+               DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
+       }
 
-                       if ($field[3] eq $field[2] || $field[3] =~ /^\s*$/) {
-                               dbg('PCPROT: invalid value') if isdbg('chanerr');
-                               return;
-                       }
+       #  perhaps this IS what we want after all
+       #                       $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
+}
 
-                       # add this station to the user database, if required
-                       my $user = DXUser->get_current($call);
-                       $user = DXUser->new($call) unless $user;
-                       
-                       if ($field[2] == 1) {
-                               $user->name($field[3]);
-                       } elsif ($field[2] == 2) {
-                               $user->qth($field[3]);
-                       } elsif ($field[2] == 3) {
-                               if (is_latlong($field[3])) {
-                                       my ($lat, $long) = DXBearing::stoll($field[3]);
-                                       $user->lat($lat);
-                                       $user->long($long);
-                                       $user->qra(DXBearing::lltoqra($lat, $long));
-                               } else {
-                                       dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
-                                       return;
-                               }
-                       } elsif ($field[2] == 4) {
-                               $user->homenode($field[3]);
-                       } elsif ($field[2] == 5) {
-                               if (is_qra(uc $field[3])) {
-                                       my ($lat, $long) = DXBearing::qratoll(uc $field[3]);
-                                       $user->lat($lat);
-                                       $user->long($long);
-                                       $user->qra(uc $field[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;
+sub handle_42 {goto &handle_28}
 
-                       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, $field[2], $field[3], $field[4]);
-                       return;
-               }
+# 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 ($pcno == 43) {
-                       last SWITCH;
-               }
+       if (eph_dup($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;
+       }
+}
 
-               if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
-                       DXDb::process($self, $line);
-                       return;
-               }
-               
-               if ($pcno == 50) {              # keep alive/user list
-                       my $call = $field[1];
-                       my $node = Route::Node::get($call);
-                       if ($node) {
-                               return unless $node->call eq $self->{call};
-                               $node->usercount($field[2]);
+# keep alive/user list
+sub handle_50
+{
+       my $self = shift;
+       my $pcno = shift;
+       my $line = shift;
+       my $origin = shift;
 
-                               # input filter if required
-                               return unless $self->in_filter_route($node);
+       my $call = $_[1];
 
-                               $self->route_pc50($node, $field[2], $field[3]) unless eph_dup($line);
-                       }
-                       return;
-               }
+       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);
+       }
+}
                
-               if ($pcno == 51) {              # incoming ping requests/answers
-                       my $to = $field[1];
-                       my $from = $field[2];
-                       my $flag = $field[3];
+# incoming ping requests/answers
+sub handle_51
+{
+       my $self = shift;
+       my $pcno = shift;
+       my $line = shift;
+       my $origin = shift;
+       my $to = $_[1];
+       my $from = $_[2];
+       my $flag = $_[3];
 
                        
-                       # is it for us?
-                       if ($to eq $main::mycall) {
-                               if ($flag == 1) {
-                                       $self->send(pc51($from, $to, '0'));
-                               } else {
-                                       # it's a reply, look in the ping list for this one
-                                       my $ref = $pings{$from};
-                                       if ($ref) {
-                                               my $tochan =  DXChannel->get($from);
-                                               while (@$ref) {
-                                                       my $r = shift @$ref;
-                                                       my $dxchan = DXChannel->get($r->{call});
-                                                       next unless $dxchan;
-                                                       my $t = tv_interval($r->{t}, [ gettimeofday ]);
-                                                       if ($dxchan->is_user) {
-                                                               my $s = sprintf "%.2f", $t; 
-                                                               my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
-                                                               $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
-                                                       } elsif ($dxchan->is_node) {
-                                                               if ($tochan) {
-                                                                       my $nopings = $tochan->user->nopings || 2;
-                                                                       push @{$tochan->{pingtime}}, $t;
-                                                                       shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
-
-                                                                       # cope with a missed ping, this means you must set the pingint large enough
-                                                                       if ($t > $tochan->{pingint}  && $t < 2 * $tochan->{pingint} ) {
-                                                                               $t -= $tochan->{pingint};
-                                                                       }
-
-                                                                       # calc smoothed RTT a la TCP
-                                                                       if (@{$tochan->{pingtime}} == 1) {
-                                                                               $tochan->{pingave} = $t;
-                                                                       } else {
-                                                                               $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
-                                                                       }
-                                                                       $tochan->{nopings} = $nopings; # pump up the timer
-                                                               }
-                                                       } 
-                                               }
-                                       }
-                               }
-                       } else {
-                               if (eph_dup($line)) {
-                                       dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
-                                       return;
-                               }
-                               # route down an appropriate thingy
-                               $self->route($to, $line);
-                       }
-                       return;
+       # is it for us?
+       if ($to eq $main::mycall) {
+               if ($flag == 1) {
+                       $self->send(pc51($from, $to, '0'));
+               } else {
+                       DXXml::Ping::handle_ping_reply($self, $from);
                }
+       } else {
 
-               if ($pcno == 75) {              # dunno but route it
-                       my $call = $field[1];
-                       if ($call ne $main::mycall) {
-                               $self->route($call, $line);
-                       }
+               RouteDB::update($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);
+       }
+}
 
-               if ($pcno == 73) {  # WCY broadcasts
-                       my $call = $field[1];
+# 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", $field[2]));
-                       if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
-                               dbg("PCPROT: WCY Date ($call $field[2]) out of range") if isdbg('chanerr');
-                               return;
-                       }
-                       @field = map { unpad($_) } @field;
-                       if (WCY::dup($d)) {
-                               dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
-                               return;
-                       }
+       # 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, @field[2..12]);
+       my $wcy = WCY::update($d, @_[2..12]);
 
-                       my $rep;
-                       eval {
-                               $rep = Local::wcy($self, @field[1..12]);
-                       };
-                       # dbg("Local::wcy error $@") if isdbg('local') if $@;
-                       return if $rep;
+       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, $d, @field[2..12]);
-                       return;
-               }
+       # broadcast to the eager world
+       send_wcy_spot($self, $line, $d, @_[2..12]);
+}
 
-               if ($pcno == 84) { # remote commands (incoming)
-                       $self->process_rcmd($field[1], $field[2], $field[3], $field[4]);
-                       return;
-               }
+# 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]);
+}
 
-               if ($pcno == 85) {              # remote command replies
-                       $self->process_rcmd_reply($field[1], $field[2], $field[3], $field[4]);
-                       
-                       return;
-               }
-               if ($pcno == 90) {              # new style PC16,17,19,21
-                       return;
-               }
-       }
-        
-       # if get here then rebroadcast the thing with its Hop count decremented (if
-       # there is one). If it has a hop count and it decrements to zero then don't
-       # rebroadcast it.
-       #
-       # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
-       #        REBROADCAST!!!!
-       #
+# 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, $self); # send it to everyone but me
+                       DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
                }
        }
 }
@@ -1291,7 +1673,7 @@ sub normal
 sub process
 {
        my $t = time;
-       my @dxchan = DXChannel->get_all();
+       my @dxchan = DXChannel::get_all();
        my $dxchan;
        my $pc50s;
        
@@ -1303,10 +1685,11 @@ sub process
        }
 
        foreach $dxchan (@dxchan) {
-               next unless $dxchan->is_node();
+               next unless $dxchan->is_node;
+               next if $dxchan->handle_xml;
                next if $dxchan == $main::me;
 
-               # send the pc50 or PC90
+               # send the pc50
                $dxchan->send($pc50s) if $pc50s;
                
                # send a ping out on this channel
@@ -1314,18 +1697,23 @@ sub process
                        if ($dxchan->{nopings} <= 0) {
                                $dxchan->disconnect;
                        } else {
-                               addping($main::mycall, $dxchan->call);
+                               DXXml::Ping::add($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;
        }
@@ -1348,7 +1736,7 @@ sub send_dx_spot
 {
        my $self = shift;
        my $line = shift;
-       my @dxchan = DXChannel->get_all();
+       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
@@ -1378,7 +1766,8 @@ sub send_prot_line
 {
        my ($self, $filter, $hops, $isolate, $line) = @_;
        my $routeit;
-       
+
+
        if ($hops) {
                $routeit = $line;
                $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
@@ -1398,22 +1787,10 @@ sub send_wwv_spot
 {
        my $self = shift;
        my $line = shift;
-       my @dxchan = DXChannel->get_all();
+       my @dxchan = DXChannel::get_all();
        my $dxchan;
-       my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
-       my @dxcc = Prefix::extract($_[6]);
-       if (@dxcc > 0) {
-               $wwv_dxcc = $dxcc[1]->dxcc;
-               $wwv_itu = $dxcc[1]->itu;
-               $wwv_cq = $dxcc[1]->cq;                                         
-       }
-       @dxcc = Prefix::extract($_[7]);
-       if (@dxcc > 0) {
-               $org_dxcc = $dxcc[1]->dxcc;
-               $org_itu = $dxcc[1]->itu;
-               $org_cq = $dxcc[1]->cq;                                         
-       }
-       
+       my @dxcc = ((Prefix::cty_data($_[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) {
@@ -1422,9 +1799,8 @@ sub send_wwv_spot
                my $routeit;
                my ($filter, $hops);
 
-               $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
+               $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
        }
-       
 }
 
 sub wwv
@@ -1435,7 +1811,7 @@ sub wwv
        my ($filter, $hops);
        
        if ($self->{wwvfilter}) {
-               ($filter, $hops) = $self->{wwvfilter}->it(@_);
+               ($filter, $hops) = $self->{wwvfilter}->it(@_[7..$#_]);
                return unless $filter;
        }
        send_prot_line($self, $filter, $hops, $isolate, $line)
@@ -1445,21 +1821,9 @@ sub send_wcy_spot
 {
        my $self = shift;
        my $line = shift;
-       my @dxchan = DXChannel->get_all();
+       my @dxchan = DXChannel::get_all();
        my $dxchan;
-       my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
-       my @dxcc = Prefix::extract($_[10]);
-       if (@dxcc > 0) {
-               $wcy_dxcc = $dxcc[1]->dxcc;
-               $wcy_itu = $dxcc[1]->itu;
-               $wcy_cq = $dxcc[1]->cq;                                         
-       }
-       @dxcc = Prefix::extract($_[11]);
-       if (@dxcc > 0) {
-               $org_dxcc = $dxcc[1]->dxcc;
-               $org_itu = $dxcc[1]->itu;
-               $org_cq = $dxcc[1]->cq;                                         
-       }
+       my @dxcc = ((Prefix::cty_data($_[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
@@ -1467,7 +1831,7 @@ sub send_wcy_spot
                next if $dxchan == $main::me;
                next if $dxchan == $self;
 
-               $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
+               $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
        }
 }
 
@@ -1490,7 +1854,7 @@ sub send_announce
 {
        my $self = shift;
        my $line = shift;
-       my @dxchan = DXChannel->get_all();
+       my @dxchan = DXChannel::get_all();
        my $dxchan;
        my $target;
        my $to = 'To ';
@@ -1511,28 +1875,13 @@ sub send_announce
 
 
        # obtain country codes etc 
-       my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
-       my ($ann_state, $org_state) = ("", "");
-       my @dxcc = Prefix::extract($_[0]);
-       if (@dxcc > 0) {
-               $ann_dxcc = $dxcc[1]->dxcc;
-               $ann_itu = $dxcc[1]->itu;
-               $ann_cq = $dxcc[1]->cq;                                         
-               $ann_state = $dxcc[1]->state;
-       }
-       @dxcc = Prefix::extract($_[4]);
-       if (@dxcc > 0) {
-               $org_dxcc = $dxcc[1]->dxcc;
-               $org_itu = $dxcc[1]->itu;
-               $org_cq = $dxcc[1]->cq;                                         
-               $org_state = $dxcc[1]->state;
-       }
-
+       my @a = Prefix::cty_data($_[0]);
+       my @b = Prefix::cty_data($_[4]);
        if ($self->{inannfilter}) {
                my ($filter, $hops) = 
                        $self->{inannfilter}->it(@_, $self->{call}, 
-                                                                        $ann_dxcc, $ann_itu, $ann_cq,
-                                                                        $org_dxcc, $org_itu, $org_cq, $ann_state, $org_state);
+                                                                        @a[0..2],
+                                                                        @b[0..2], $a[3], $b[3]);
                unless ($filter) {
                        dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
                        return;
@@ -1551,7 +1900,75 @@ sub send_announce
        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}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
+               $dxchan->announce($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]);
        }
 }
 
@@ -1572,6 +1989,11 @@ sub announce
        send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
 }
 
+sub chat
+{
+       goto &announce;
+}
+
 
 sub send_local_config
 {
@@ -1586,29 +2008,36 @@ sub send_local_config
        # 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;
-               my @intcalls = map { $_->nodes } @localnodes if @localnodes;
+               $self->send_route($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 my $node (@intcalls) {
-                       push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes;
+               for $node (@intcalls) {
+                       push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
                }
-               unshift @localnodes, $main::routeroot;
+               $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
        }
        
-
-       $self->send_route(\&pc19, scalar(@localnodes)+scalar(@remotenodes), @localnodes, @remotenodes);
-       
        # get all the users connected on the above nodes and send them out
-       foreach $node (@localnodes, @remotenodes) {
+       foreach $node ($main::routeroot, @localnodes, @remotenodes) {
                if ($node) {
                        my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
-                       $self->send_route(\&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
+                       $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
                } else {
                        dbg("sent a null value") if isdbg('chanerr');
                }
@@ -1620,6 +2049,7 @@ sub send_local_config
 #
 # is called route(to, pcline);
 #
+
 sub route
 {
        my ($self, $call, $line) = @_;
@@ -1630,8 +2060,10 @@ sub route
        }
 
        # always send it down the local interface if available
-       my $dxchan = DXChannel->get($call);
-       unless ($dxchan) {
+       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) {
@@ -1639,8 +2071,23 @@ sub route
                                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) {
@@ -1708,20 +2155,6 @@ sub load_hops
        return ();
 }
 
-
-# add a ping request to the ping queues
-sub addping
-{
-       my ($from, $to) = @_;
-       my $ref = $pings{$to} || [];
-       my $r = {};
-       $r->{call} = $from;
-       $r->{t} = [ gettimeofday ];
-       route(undef, $to, pc51($to, $main::mycall, 1));
-       push @$ref, $r;
-       $pings{$to} = $ref;
-}
-
 sub process_rcmd
 {
        my ($self, $tonode, $fromnode, $user, $cmd) = @_;
@@ -1760,13 +2193,13 @@ sub process_rcmd_reply
        if ($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);
+                       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);
+                       my $dxchan = DXChannel::get($main::myalias);
                        $dxchan->send($line) if $dxchan;
                }
        } else {
@@ -1829,24 +2262,44 @@ sub disconnect
                $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
        }
 
-       # get rid of any PC16 and 19s
-       eph_del_regex("^PC16\\^$call");
-       eph_del_regex("^PC19\\^.*$call");
+       # get rid of any PC16/17/19
+       eph_del_regex("^PC1[679]*$call");
 
-       # do routing stuff
+       # 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(@rout) if @rout;
+               $self->route_pc21($main::mycall, undef, @rout) if @rout;
        }
 
        # remove outstanding pings
@@ -1878,9 +2331,11 @@ sub talk
 
 # 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;
@@ -1915,6 +2370,7 @@ sub send_route
                                $routeit = adjust_hops($self, $line);  # adjust its hop count by node name
                                next unless $routeit;
                        }
+                       
                        $self->send($routeit);
                }
        }
@@ -1923,19 +2379,20 @@ sub send_route
 sub broadcast_route
 {
        my $self = shift;
+       my $origin = shift;
        my $generate = shift;
+       my $line = shift;
        my @dxchan = DXChannel::get_all_nodes();
        my $dxchan;
-       my $line;
        
        unless ($self->{isolate}) {
                foreach $dxchan (@dxchan) {
                        next if $dxchan == $self;
                        next if $dxchan == $main::me;
-                       next if $dxchan->user->wantnp;
+                       next unless $dxchan->isa('DXProt');
                        next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
  
-                       $dxchan->send_route($generate, @_);
+                       $dxchan->send_route($origin, $generate, @_);
                }
        }
 }
@@ -1944,50 +2401,58 @@ sub route_pc16
 {
        my $self = shift;
        return unless $self->user->wantpc16;
-       broadcast_route($self, \&pc16, 1, @_);
+       my $origin = shift;
+       my $line = shift;
+       broadcast_route($self, $origin, \&pc16, $line, 1, @_);
 }
 
 sub route_pc17
 {
        my $self = shift;
        return unless $self->user->wantpc16;
-       broadcast_route($self, \&pc17, 1, @_);
+       my $origin = shift;
+       my $line = shift;
+       broadcast_route($self, $origin, \&pc17, $line, 1, @_);
 }
 
 sub route_pc19
 {
        my $self = shift;
-       broadcast_route($self, \&pc19, scalar @_, @_);
+       my $origin = shift;
+       my $line = shift;
+       broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
 }
 
 sub route_pc21
 {
        my $self = shift;
-       broadcast_route($self, \&pc21, scalar @_, @_);
+       my $origin = shift;
+       my $line = shift;
+       broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
 }
 
 sub route_pc24
 {
        my $self = shift;
-       broadcast_route($self, \&pc24, 1, @_);
+       my $origin = shift;
+       my $line = shift;
+       broadcast_route($self, $origin, \&pc24, $line, 1, @_);
 }
 
 sub route_pc41
 {
        my $self = shift;
-       broadcast_route($self, \&pc41, 1, @_);
+       my $origin = shift;
+       my $line = shift;
+       broadcast_route($self, $origin, \&pc41, $line, 1, @_);
 }
 
 sub route_pc50
 {
        my $self = shift;
-       broadcast_route($self, \&pc50, 1, @_);
-}
-
-sub route_pc90
-{
-       my $self = shift;
-       broadcast_route($self, \&pc90, 1, @_);
+       my $origin = shift;
+       my $line = shift;
+       broadcast_route($self, $origin, \&pc50, $line, 1, @_);
 }
 
 sub in_filter_route
@@ -2013,6 +2478,7 @@ sub eph_dup
        $s =~ s/\^H\d\d?\^?\~?$//;
        $r = 1 if exists $eph{$s};    # pump up the dup if it keeps circulating
        $eph{$s} = $main::systime + $t;
+       dbg("PCPROT: emphemeral duplicate") if $r && isdbg('chanerr'); 
        return $r;
 }
 
@@ -2053,5 +2519,69 @@ 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__