3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
30 use Time::HiRes qw(gettimeofday tv_interval);
38 use vars qw($VERSION $BRANCH);
39 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
40 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0;
41 $main::build += $VERSION;
42 $main::branch += $BRANCH;
44 use vars qw($me $pc11_max_age $pc23_max_age $last_pc50
45 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
46 %nodehops $baddx $badspotter $badnode $censorpc
47 $allowzero $decode_dk0wcy $send_opernam @checklist);
49 $me = undef; # the channel id for this cluster
50 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
51 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
53 $last_hour = time; # last time I did an hourly periodic update
54 %pings = (); # outstanding ping requests outbound
55 %rcmds = (); # outstanding rcmd requests outbound
56 %nodehops = (); # node specific hop control
57 $censorpc = 1; # Do a BadWords::check on text fields and reject things
58 # loads of 'bad things'
59 $baddx = new DXHash "baddx";
60 $badspotter = new DXHash "badspotter";
61 $badnode = new DXHash "badnode";
62 $last10 = $last_pc50 = time;
67 [ qw(c c m bp bc c) ], # pc10
68 [ qw(f m d t m c c h) ], # pc11
69 [ qw(c bc m bp bm p h) ], # pc12
73 undef , # pc16 has to be validated manually
76 undef , # pc19 has to be validated manually
77 undef , # pc20 no validation
79 undef , # pc22 no validation
80 [ qw(d n n n n m c c h) ], # pc23
82 [ qw(c c n n) ], # pc25
83 [ qw(f m d t m c c bc) ], # pc26
84 [ qw(d n n n n m c c bc) ], # pc27
85 [ qw(c c m c d t p m bp n p bp bc) ], # pc28
86 [ qw(c c n m) ], # pc29
94 [ qw(c c n m) ], # pc37
95 undef, # pc38 not interested
97 [ qw(c c m p n) ], # pc40
98 [ qw(c n m h) ], # pc41
100 undef, # pc43 don't handle it
101 [ qw(c c n m m c) ], # pc44
102 [ qw(c c n m) ], # pc45
103 [ qw(c c n) ], # pc46
106 [ qw(c m h) ], # pc49
107 [ qw(c n h) ], # pc50
108 [ qw(c c n) ], # pc51
130 [ qw(d n n n n n n m m m c c h) ], # pc73
141 [ qw(c c c m) ], # pc84
142 [ qw(c c c m) ], # pc85
145 # use the entry in the check list to check the field list presented
146 # return OK if line NOT in check list (for now)
151 return 0 if $n < 0 || $n > @checklist;
152 my $ref = $checklist[$n];
153 return 0 unless ref $ref;
156 shift; # not interested in the first field
157 for ($i = 0; $i < @$ref; $i++) {
158 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
159 return 0 unless $act;
160 next if $blank && $_[$i] =~ /^[ \*]$/;
162 return $i+1 unless is_callsign($_[$i]);
163 } elsif ($act eq 'm') {
164 return $i+1 unless is_pctext($_[$i]);
165 } elsif ($act eq 'p') {
166 return $i+1 unless is_pcflag($_[$i]);
167 } elsif ($act eq 'f') {
168 return $i+1 unless is_freq($_[$i]);
169 } elsif ($act eq 'n') {
170 return $i+1 unless $_[$i] =~ /^[\d ]+$/;
171 } elsif ($act eq 'h') {
172 return $i+1 unless $_[$i] =~ /^H\d\d?$/;
173 } elsif ($act eq 'd') {
174 return $i+1 unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
175 } elsif ($act eq 't') {
176 return $i+1 unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
184 my $user = DXUser->get($main::mycall);
185 $DXProt::myprot_version += $main::version*100;
186 $me = DXProt->new($main::mycall, 0, $user);
188 $me->{state} = "indifferent";
189 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
191 $me->{sort} = 'S'; # S for spider
193 # $Route::Node::me->adddxchan($me);
197 # obtain a new connection this is derived from dxchannel
202 my $self = DXChannel::alloc(@_);
204 # add this node to the table, the values get filled in later
207 $main::routeroot->add($call, '0000', Route::here(1)) if $call ne $main::mycall;
212 # this is how a pc connection starts (for an incoming connection)
213 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
214 # all the crap that comes between).
217 my ($self, $line, $sort) = @_;
218 my $call = $self->{call};
219 my $user = $self->{user};
222 my $host = $self->{conn}->{peerhost} || "unknown";
223 Log('DXProt', "$call connected from $host");
225 # remember type of connection
226 $self->{consort} = $line;
227 $self->{outbound} = $sort eq 'O';
228 my $priv = $user->priv;
229 $priv = $user->priv(1) unless $priv;
230 $self->{priv} = $priv; # other clusters can always be 'normal' users
231 $self->{lang} = $user->lang || 'en';
232 $self->{isolate} = $user->{isolate};
233 $self->{consort} = $line; # save the connection type
237 # get the output filters
238 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
239 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
240 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
241 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
242 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
245 # get the INPUT filters (these only pertain to Clusters)
246 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
247 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
248 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
249 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
250 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
252 # set unbuffered and no echo
253 $self->send_now('B',"0");
254 $self->send_now('E',"0");
256 # ping neighbour node stuff
257 my $ping = $user->pingint;
258 $ping = 5*60 unless defined $ping;
259 $self->{pingint} = $ping;
260 $self->{nopings} = $user->nopings || 2;
261 $self->{pingtime} = [ ];
262 $self->{pingave} = 999;
263 $self->{lastping} = $main::systime;
265 # send initialisation string
266 unless ($self->{outbound}) {
270 $self->state('init');
271 $self->{pc50_t} = $main::systime;
273 # send info to all logged in thingies
274 $self->tell_login('loginn');
278 # This is the normal pcxx despatcher
282 my ($self, $line) = @_;
283 my @field = split /\^/, $line;
284 return unless @field;
286 pop @field if $field[-1] eq '~';
288 # print join(',', @field), "\n";
291 # process PC frames, this will fail unless the frame starts PCnn
292 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
294 return if $pcno < 10 || $pcno > 99;
296 # check for and dump bad protocol messages
297 my $n = check($pcno, @field);
299 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
306 $pcr = Local::pcprot($self, $pcno, @field);
308 # dbg("Local::pcprot error $@") if isdbg('local') if $@;
312 if ($pcno == 10) { # incoming talk
314 # will we allow it at all?
317 if (@bad = BadWords::check($field[3])) {
318 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
323 # is it for me or one of mine?
324 my ($to, $via, $call, $dxchan);
325 if ($field[5] gt ' ') {
332 # it is here and logged on
333 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
334 $dxchan = DXChannel->get($to) unless $dxchan;
335 if ($dxchan && $dxchan->is_user) {
336 $field[3] =~ s/\%5E/^/g;
337 $dxchan->talk($field[1], $to, $via, $field[3]);
341 # is it elsewhere, visible on the cluster via the to address?
342 # note: this discards the via unless the to address is on
345 if ($ref = Route::get($to)) {
346 $vref = Route::Node::get($via) if $via;
347 $vref = undef unless $vref && grep $to eq $_, $vref->users;
348 $ref->dxchan->talk($field[1], $to, $vref ? $via : undef, $field[3], $field[6]);
352 # not visible here, send a message of condolence
354 $ref = Route::get($field[1]);
355 $vref = $ref = Route::Node::get($field[6]) unless $ref;
357 $dxchan = $ref->dxchan;
358 $dxchan->talk($main::mycall, $field[1], $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
363 if ($pcno == 11 || $pcno == 26) { # dx spot
365 # route 'foreign' pc26s
367 if ($field[7] ne $main::mycall) {
368 $self->route($field[7], $line);
373 # if this is a 'nodx' node then ignore it
374 if ($badnode->in($field[7])) {
375 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
379 # if this is a 'bad spotter' user then ignore it
380 if ($badspotter->in($field[6])) {
381 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
385 # convert the date to a unix date
386 my $d = cltounix($field[3], $field[4]);
387 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
388 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
389 dbg("PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n") if isdbg('chanerr');
394 if ($baddx->in($field[2])) {
395 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
400 $field[5] =~ s/^\s+//; # take any leading blanks off
401 $field[2] = unpad($field[2]); # take off leading and trailing blanks from spotted callsign
402 if ($field[2] =~ /BUST\w*$/) {
403 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
406 if (Spot::dup($field[1], $field[2], $d, $field[5])) {
407 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
412 if (@bad = BadWords::check($field[5])) {
413 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
418 my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
419 # global spot filtering on INPUT
420 if ($self->{inspotsfilter}) {
421 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
423 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
432 # @spot at this point contains:-
433 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
434 # then spotted itu, spotted cq, spotters itu, spotters cq
435 # you should be able to route on any of these
438 # fix up qra locators of known users
439 my $user = DXUser->get_current($spot[4]);
441 my $qra = $user->qra;
442 unless ($qra && is_qra($qra)) {
443 my $lat = $user->lat;
444 my $long = $user->long;
445 if (defined $lat && defined $long) {
446 $user->qra(DXBearing::lltoqra($lat, $long));
451 # send a remote command to a distant cluster if it is visible and there is no
452 # qra locator and we havn't done it for a month.
454 unless ($user->qra) {
456 my $to = $user->homenode;
457 my $last = $user->lastoper || 0;
458 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
459 my $cmd = "forward/opernam $spot[4]";
460 # send the rcmd but we aren't interested in the replies...
461 my $dxchan = $node->dxchan;
462 if ($dxchan && $dxchan->is_clx) {
463 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
465 route(undef, $to, pc34($main::mycall, $to, $cmd));
467 if ($to ne $field[7]) {
469 $node = Route::Node::get($to);
471 $dxchan = $node->dxchan;
472 if ($dxchan && $dxchan->is_clx) {
473 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
475 route(undef, $to, pc34($main::mycall, $to, $cmd));
479 $user->lastoper($main::systime);
488 $r = Local::spot($self, @spot);
490 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
493 # DON'T be silly and send on PC26s!
494 return if $pcno == 26;
496 # send out the filtered spots
497 send_dx_spot($self, $line, @spot) if @spot;
501 if ($pcno == 12) { # announces
502 # announce duplicate checking
503 $field[3] =~ s/^\s+//; # remove leading blanks
504 if (AnnTalk::dup($field[1], $field[2], $field[3])) {
505 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
511 if (@bad = BadWords::check($field[3])) {
512 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
517 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
520 # here's a bit of fun, convert incoming ann with a callsign in the first word
521 # or one saying 'to <call>' to a talk if we can route to the recipient
523 my ($to, $call) = $field[3] =~ /^\s*([\w-]+)[\s:]+([\w-]+)/;
525 if ((uc $to eq 'TO' && is_callsign(uc $call)) || is_callsign($call = uc $to)) {
526 my $ref = Route::get($call);
528 my $dxchan = $ref->dxchan;
529 $dxchan->talk($field[1], $call, undef, $field[3], $field[5]) if $dxchan != $self;
537 $self->send_announce($line, @field[1..6]);
539 $self->route($field[2], $line);
554 if ($pcno == 16) { # add a user
558 my $ncall = $field[1];
559 my $newline = "PC16^";
561 if ($ncall eq $main::mycall) {
562 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
565 $dxchan = DXChannel->get($ncall);
566 if ($dxchan && $dxchan ne $self) {
567 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
570 my $parent = Route::Node::get($ncall);
572 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
576 # input filter if required
577 return unless $self->in_filter_route($parent);
581 for ($i = 2; $i < $#field; $i++) {
582 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
583 next unless $call && $conf && defined $here && is_callsign($call);
584 next if $call eq $main::mycall;
586 eph_del_regex("^PC17\^$call\^$ncall");
588 $conf = $conf eq '*';
590 # reject this if we think it is a node already
591 my $r = Route::Node::get($call);
592 my $u = DXUser->get_current($call) unless $r;
593 if ($r || ($u && $u->is_node)) {
594 dbg("PCPROT: $call is a node") if isdbg('chanerr');
598 $r = Route::User::get($call);
599 my $flags = Route::here($here)|Route::conf($conf);
602 if ($r->flags != $flags) {
606 $r->addparent($parent);
608 push @rout, $parent->add_user($call, $flags);
611 # add this station to the user database, if required
612 $call =~ s/-\d+$//o; # remove ssid for users
613 my $user = DXUser->get_current($call);
614 $user = DXUser->new($call) if !$user;
615 $user->homenode($parent->call) if !$user->homenode;
616 $user->node($parent->call);
617 $user->lastin($main::systime) unless DXChannel->get($call);
621 if (eph_dup($line)) {
622 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
626 # queue up any messages (look for privates only)
627 DXMsg::queue_msg(1) if $self->state eq 'normal';
629 $self->route_pc16($parent, @rout) if @rout;
633 if ($pcno == 17) { # remove a user
635 my $ncall = $field[2];
636 my $ucall = $field[1];
638 eph_del_regex("^PC16.*$ncall.*$ucall");
640 if ($ncall eq $main::mycall) {
641 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
644 $dxchan = DXChannel->get($ncall);
645 if ($dxchan && $dxchan ne $self) {
646 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
650 my $uref = Route::User::get($ucall);
652 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
655 my $parent = Route::Node::get($ncall);
657 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
661 # input filter if required
662 return unless $self->in_filter_route($parent);
664 my @rout = $parent->del_user($uref);
666 if (eph_dup($line)) {
667 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
671 $self->route_pc17($parent, @rout) if @rout;
675 if ($pcno == 18) { # link request
676 $self->state('init');
678 # first clear out any nodes on this dxchannel
679 my $parent = Route::Node::get($self->{call});
680 my @rout = $parent->del_nodes;
681 $self->route_pc21(@rout, $parent) if @rout;
682 $self->send_local_config();
684 return; # we don't pass these on
687 if ($pcno == 19) { # incoming cluster list
689 my $newline = "PC19^";
693 my $parent = Route::Node::get($self->{call});
695 dbg("DXPROT: my parent $self->{call} has disappeared");
701 for ($i = 1; $i < $#field-1; $i += 4) {
702 my $here = $field[$i];
703 my $call = uc $field[$i+1];
704 my $conf = $field[$i+2];
705 my $ver = $field[$i+3];
706 next unless defined $here && defined $conf && is_callsign($call);
708 eph_del_regex("^PC(?:21\^$call|17\^[^\^]+\^$call)");
710 # check for sane parameters
711 $ver = 5000 if $ver eq '0000';
712 next if $ver < 5000; # only works with version 5 software
713 next if length $call < 3; # min 3 letter callsigns
714 next if $call eq $main::mycall;
716 # update it if required
717 my $r = Route::Node::get($call);
718 my $flags = Route::here($here)|Route::conf($conf);
721 if ($call ne $parent->call) {
722 if ($self->in_filter_route($r)) {
723 $ar = $parent->add($call, $ver, $flags);
724 push @rout, $ar if $ar;
729 if ($r->version ne $ver || $r->flags != $flags) {
732 push @rout, $r unless $ar;
735 if ($call eq $self->{call}) {
736 dbg("DXPROT: my channel route for $call has disappeared");
740 my $new = Route->new($call); # throw away
741 if ($self->in_filter_route($new)) {
742 my $r = $parent->add($call, $ver, $flags);
749 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
750 my $mref = DXMsg::get_busy($call);
751 $mref->stop_msg($call) if $mref;
753 # add this station to the user database, if required (don't remove SSID from nodes)
754 my $user = DXUser->get_current($call);
756 $user = DXUser->new($call);
758 $user->priv(1); # I have relented and defaulted nodes
760 $user->homenode($call);
763 $user->lastin($main::systime) unless DXChannel->get($call);
767 if (eph_dup($line)) {
768 dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
772 $self->route_pc19(@rout) if @rout;
776 if ($pcno == 20) { # send local configuration
777 $self->send_local_config();
779 $self->state('normal');
780 $self->{lastping} = 0;
784 if ($pcno == 21) { # delete a cluster from the list
785 my $call = uc $field[1];
787 eph_del_regex("^PC1[79].*$call");
790 my $parent = Route::Node::get($self->{call});
792 dbg("DXPROT: my parent $self->{call} has disappeared");
796 my $node = Route::Node::get($call);
797 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
798 if ($call eq $self->{call}) {
799 dbg("PCPROT: Trying to disconnect myself with PC21") if isdbg('chanerr');
805 return unless $self->in_filter_route($node);
808 push @rout, $node->del($parent);
811 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
815 if (eph_dup($line)) {
816 dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
820 $self->route_pc21(@rout) if @rout;
825 $self->state('normal');
826 $self->{lastping} = 0;
830 if ($pcno == 23 || $pcno == 27) { # WWV info
832 # route 'foreign' pc27s
834 if ($field[8] ne $main::mycall) {
835 $self->route($field[8], $line);
841 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
842 my $sfi = unpad($field[3]);
843 my $k = unpad($field[4]);
844 my $i = unpad($field[5]);
845 my ($r) = $field[6] =~ /R=(\d+)/;
847 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
848 dbg("PCPROT: WWV Date ($field[1] $field[2]) out of range") if isdbg('chanerr');
851 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
852 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
855 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
857 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
861 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
863 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
866 # DON'T be silly and send on PC27s!
867 return if $pcno == 27;
869 # broadcast to the eager world
870 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
874 if ($pcno == 24) { # set here status
875 my $call = uc $field[1];
877 $nref = Route::Node::get($call);
878 $uref = Route::User::get($call);
879 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
881 unless (eph_dup($line)) {
882 $nref->here($field[2]) if $nref;
883 $uref->here($field[2]) if $uref;
884 my $ref = $nref || $uref;
885 return unless $self->in_filter_route($ref);
886 $self->route_pc24($ref, $field[3]);
891 if ($pcno == 25) { # merge request
892 if ($field[1] ne $main::mycall) {
893 $self->route($field[1], $line);
896 if ($field[2] eq $main::mycall) {
897 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
901 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[2]");
905 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
908 $self->send(pc26(@{$in}[0..4], $field[2]));
914 my @in = reverse Geomag::search(0, $field[4], time, 1);
917 $self->send(pc27(@{$in}[0..5], $field[2]));
923 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
924 if ($pcno == 49 || $field[1] eq $main::mycall) {
925 DXMsg::process($self, $line);
927 $self->route($field[1], $line) unless $self->is_clx;
932 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
933 $self->process_rcmd($field[1], $field[2], $field[2], $field[3]);
937 if ($pcno == 35) { # remote command replies
938 $self->process_rcmd_reply($field[1], $field[2], $field[1], $field[3]);
942 # for pc 37 see 44 onwards
944 if ($pcno == 38) { # node connected list from neighbour
948 if ($pcno == 39) { # incoming disconnect
949 if ($field[1] eq $self->{call}) {
950 $self->disconnect(1);
951 eph_del_regex("^PC(?:1[679]|21).*$field[1]");
953 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
958 if ($pcno == 41) { # user info
959 my $call = $field[1];
961 # input filter if required
962 # my $ref = Route::get($call) || Route->new($call);
963 # return unless $self->in_filter_route($ref);
965 if ($field[3] eq $field[2]) {
966 dbg('PCPROT: invalid value') if isdbg('chanerr');
970 # add this station to the user database, if required
971 my $user = DXUser->get_current($call);
972 $user = DXUser->new($call) if !$user;
974 if ($field[2] == 1) {
975 $user->name($field[3]);
976 } elsif ($field[2] == 2) {
977 $user->qth($field[3]);
978 } elsif ($field[2] == 3) {
979 if (is_latlong($field[3])) {
980 my ($lat, $long) = DXBearing::stoll($field[3]);
983 $user->qra(DXBearing::lltoqra($lat, $long));
985 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
988 } elsif ($field[2] == 4) {
989 $user->homenode($field[3]);
990 } elsif ($field[2] == 5) {
991 if (is_qra($field[3])) {
992 my ($lat, $long) = DXBearing::qratoll($field[3]);
995 $user->qra($field[3]);
997 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1001 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1004 # perhaps this IS what we want after all
1005 # $self->route_pc41($ref, $call, $field[2], $field[3], $field[4]);
1013 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
1014 DXDb::process($self, $line);
1018 if ($pcno == 50) { # keep alive/user list
1019 my $call = $field[1];
1020 my $node = Route::Node::get($call);
1022 return unless $node->call eq $self->{call};
1023 $node->usercount($field[2]);
1025 # input filter if required
1026 return unless $self->in_filter_route($node);
1028 $self->route_pc50($node, $field[2], $field[3]) unless eph_dup($line);
1033 if ($pcno == 51) { # incoming ping requests/answers
1035 my $from = $field[2];
1036 my $flag = $field[3];
1040 if ($to eq $main::mycall) {
1042 $self->send(pc51($from, $to, '0'));
1044 # it's a reply, look in the ping list for this one
1045 my $ref = $pings{$from};
1047 my $tochan = DXChannel->get($from);
1049 my $r = shift @$ref;
1050 my $dxchan = DXChannel->get($r->{call});
1051 next unless $dxchan;
1052 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1053 if ($dxchan->is_user) {
1054 my $s = sprintf "%.2f", $t;
1055 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1056 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1057 } elsif ($dxchan->is_node) {
1059 my $nopings = $tochan->user->nopings || 2;
1060 push @{$tochan->{pingtime}}, $t;
1061 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1063 # cope with a missed ping, this means you must set the pingint large enough
1064 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1065 $t -= $tochan->{pingint};
1068 # calc smoothed RTT a la TCP
1069 if (@{$tochan->{pingtime}} == 1) {
1070 $tochan->{pingave} = $t;
1072 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1075 # for (@{$tochan->{pingtime}}) {
1078 # $tochan->{pingave} = $st / @{$tochan->{pingtime}};
1079 $tochan->{nopings} = $nopings; # pump up the timer
1086 if (eph_dup($line)) {
1087 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1090 # route down an appropriate thingy
1091 $self->route($to, $line);
1096 if ($pcno == 75) { # dunno but route it
1097 my $call = $field[1];
1098 if ($call ne $main::mycall) {
1099 $self->route($call, $line);
1104 if ($pcno == 73) { # WCY broadcasts
1105 my $call = $field[1];
1108 my $d = cltounix($call, sprintf("%02d18Z", $field[2]));
1109 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
1110 dbg("PCPROT: WCY Date ($call $field[2]) out of range") if isdbg('chanerr');
1113 @field = map { unpad($_) } @field;
1114 if (WCY::dup($d,@field[3..7])) {
1115 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1119 my $wcy = WCY::update($d, @field[2..12]);
1123 $rep = Local::wwv($self, @field[1..12]);
1125 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1128 # broadcast to the eager world
1129 send_wcy_spot($self, $line, $d, @field[2..12]);
1133 if ($pcno == 84) { # remote commands (incoming)
1134 $self->process_rcmd($field[1], $field[2], $field[3], $field[4]);
1138 if ($pcno == 85) { # remote command replies
1139 $self->process_rcmd_reply($field[1], $field[2], $field[3], $field[4]);
1145 # if get here then rebroadcast the thing with its Hop count decremented (if
1146 # there is one). If it has a hop count and it decrements to zero then don't
1149 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1153 if (eph_dup($line)) {
1154 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1156 unless ($self->{isolate}) {
1157 broadcast_ak1a($line, $self); # send it to everyone but me
1163 # This is called from inside the main cluster processing loop and is used
1164 # for despatching commands that are doing some long processing job
1169 my @dxchan = DXChannel->get_all();
1173 # send out a pc50 on EVERY channel all at once
1174 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1175 $pc50s = pc50($me, scalar DXChannel::get_all_users);
1180 foreach $dxchan (@dxchan) {
1181 next unless $dxchan->is_node();
1182 next if $dxchan == $me;
1185 $dxchan->send($pc50s) if $pc50s;
1187 # send a ping out on this channel
1188 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1189 if ($dxchan->{nopings} <= 0) {
1190 $dxchan->disconnect;
1192 addping($main::mycall, $dxchan->call);
1193 $dxchan->{nopings} -= 1;
1194 $dxchan->{lastping} = $t;
1200 if ($t - $last10 >= 10) {
1201 # clean out ephemera
1208 if ($main::systime - 3600 > $last_hour) {
1209 $last_hour = $main::systime;
1214 # finish up a pc context
1218 # some active measures
1225 my @dxchan = DXChannel->get_all();
1228 # send it if it isn't the except list and isn't isolated and still has a hop count
1229 # taking into account filtering and so on
1230 foreach $dxchan (@dxchan) {
1231 next if $dxchan == $me;
1232 next if $dxchan == $self && $self->is_node;
1233 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1241 my $isolate = shift;
1242 my ($filter, $hops);
1244 if ($self->{spotsfilter}) {
1245 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1246 return unless $filter;
1248 send_prot_line($self, $filter, $hops, $isolate, $line);
1253 my ($self, $filter, $hops, $isolate, $line) = @_;
1258 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1260 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1261 return unless $routeit;
1264 $self->send($routeit);
1266 $self->send($routeit) unless $self->{isolate} || $isolate;
1275 my @dxchan = DXChannel->get_all();
1277 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1278 my @dxcc = Prefix::extract($_[6]);
1280 $wwv_dxcc = $dxcc[1]->dxcc;
1281 $wwv_itu = $dxcc[1]->itu;
1282 $wwv_cq = $dxcc[1]->cq;
1284 @dxcc = Prefix::extract($_[7]);
1286 $org_dxcc = $dxcc[1]->dxcc;
1287 $org_itu = $dxcc[1]->itu;
1288 $org_cq = $dxcc[1]->cq;
1291 # send it if it isn't the except list and isn't isolated and still has a hop count
1292 # taking into account filtering and so on
1293 foreach $dxchan (@dxchan) {
1294 next if $dxchan == $me;
1295 next if $dxchan == $self && $self->is_node;
1297 my ($filter, $hops);
1299 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1308 my $isolate = shift;
1309 my ($filter, $hops);
1311 if ($self->{wwvfilter}) {
1312 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1313 return unless $filter;
1315 send_prot_line($self, $filter, $hops, $isolate, $line)
1322 my @dxchan = DXChannel->get_all();
1324 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1325 my @dxcc = Prefix::extract($_[10]);
1327 $wcy_dxcc = $dxcc[1]->dxcc;
1328 $wcy_itu = $dxcc[1]->itu;
1329 $wcy_cq = $dxcc[1]->cq;
1331 @dxcc = Prefix::extract($_[11]);
1333 $org_dxcc = $dxcc[1]->dxcc;
1334 $org_itu = $dxcc[1]->itu;
1335 $org_cq = $dxcc[1]->cq;
1338 # send it if it isn't the except list and isn't isolated and still has a hop count
1339 # taking into account filtering and so on
1340 foreach $dxchan (@dxchan) {
1341 next if $dxchan == $me;
1342 next if $dxchan == $self;
1344 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1352 my $isolate = shift;
1353 my ($filter, $hops);
1355 if ($self->{wcyfilter}) {
1356 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1357 return unless $filter;
1359 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1367 my @dxchan = DXChannel->get_all();
1371 my $text = unpad($_[2]);
1373 if ($_[3] eq '*') { # sysops
1375 } elsif ($_[3] gt ' ') { # speciality list handling
1376 my ($name) = split /\./, $_[3];
1377 $target = "$name"; # put the rest in later (if bothered)
1384 $target = "ALL" if !$target;
1387 # obtain country codes etc
1388 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1389 my @dxcc = Prefix::extract($_[0]);
1391 $ann_dxcc = $dxcc[1]->dxcc;
1392 $ann_itu = $dxcc[1]->itu;
1393 $ann_cq = $dxcc[1]->cq;
1395 @dxcc = Prefix::extract($_[4]);
1397 $org_dxcc = $dxcc[1]->dxcc;
1398 $org_itu = $dxcc[1]->itu;
1399 $org_cq = $dxcc[1]->cq;
1402 if ($self->{inannfilter}) {
1403 my ($filter, $hops) =
1404 $self->{inannfilter}->it(@_, $self->{call},
1405 $ann_dxcc, $ann_itu, $ann_cq,
1406 $org_dxcc, $org_itu, $org_cq);
1408 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1413 Log('ann', $target, $_[0], $text);
1415 # send it if it isn't the except list and isn't isolated and still has a hop count
1416 # taking into account filtering and so on
1417 foreach $dxchan (@dxchan) {
1418 next if $dxchan == $me;
1419 next if $dxchan == $self && $self->is_node;
1420 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1428 my $isolate = shift;
1432 my ($filter, $hops);
1434 if ($self->{annfilter}) {
1435 ($filter, $hops) = $self->{annfilter}->it(@_);
1436 return unless $filter;
1438 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1442 sub send_local_config
1450 dbg('DXProt::send_local_config') if isdbg('trace');
1453 if ($self->{isolate}) {
1454 @localnodes = ( $main::routeroot );
1456 # create a list of all the nodes that are not connected to this connection
1457 # and are not themselves isolated, this to make sure that isolated nodes
1458 # don't appear outside of this node
1459 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1460 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1461 my @intcalls = map { $_->nodes } @localnodes if @localnodes;
1462 my $ref = Route::Node::get($self->{call});
1463 my @rnodes = $ref->nodes;
1464 for my $n (@intcalls) {
1465 push @remotenodes, Route::Node::get($n) unless grep $n eq $_, @rnodes;
1467 unshift @localnodes, $main::routeroot;
1470 send_route($self, \&pc19, scalar(@localnodes)+scalar(@remotenodes), @localnodes, @remotenodes);
1472 # get all the users connected on the above nodes and send them out
1473 foreach $n (@localnodes, @remotenodes) {
1475 send_route($self, \&pc16, 1, $n, map {my $r = Route::User::get($_); $r ? ($r) : ()} $n->users);
1477 dbg("sent a null value") if isdbg('chanerr');
1483 # route a message down an appropriate interface for a callsign
1485 # is called route(to, pcline);
1489 my ($self, $call, $line) = @_;
1491 if (ref $self && $call eq $self->{call}) {
1492 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1496 # always send it down the local interface if available
1497 my $dxchan = DXChannel->get($call);
1499 my $cl = Route::get($call);
1500 $dxchan = $cl->dxchan if $cl;
1502 if (ref $self && $dxchan eq $self) {
1503 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1509 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1511 $dxchan->send($routeit) unless $dxchan == $me;
1514 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1518 # broadcast a message to all clusters taking into account isolation
1519 # [except those mentioned after buffer]
1522 my $s = shift; # the line to be rebroadcast
1523 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1524 my @dxchan = DXChannel::get_all_nodes();
1527 # send it if it isn't the except list and isn't isolated and still has a hop count
1528 foreach $dxchan (@dxchan) {
1529 next if grep $dxchan == $_, @except;
1530 next if $dxchan == $me;
1532 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1533 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1537 # broadcast a message to all clusters ignoring isolation
1538 # [except those mentioned after buffer]
1539 sub broadcast_all_ak1a
1541 my $s = shift; # the line to be rebroadcast
1542 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1543 my @dxchan = DXChannel::get_all_nodes();
1546 # send it if it isn't the except list and isn't isolated and still has a hop count
1547 foreach $dxchan (@dxchan) {
1548 next if grep $dxchan == $_, @except;
1549 next if $dxchan == $me;
1551 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1552 $dxchan->send($routeit);
1556 # broadcast to all users
1557 # storing the spot or whatever until it is in a state to receive it
1560 my $s = shift; # the line to be rebroadcast
1561 my $sort = shift; # the type of transmission
1562 my $fref = shift; # a reference to an object to filter on
1563 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1564 my @dxchan = DXChannel::get_all_users();
1568 foreach $dxchan (@dxchan) {
1569 next if grep $dxchan == $_, @except;
1572 broadcast_list($s, $sort, $fref, @out);
1575 # broadcast to a list of users
1583 foreach $dxchan (@_) {
1585 next if $dxchan == $me;
1587 if ($sort eq 'dx') {
1588 next unless $dxchan->{dx};
1589 ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
1590 next unless $filter;
1592 next if $sort eq 'ann' && !$dxchan->{ann} && $s !~ /^To\s+LOCAL\s+de\s+(?:$main::myalias|$main::mycall)/i;
1593 next if $sort eq 'wwv' && !$dxchan->{wwv};
1594 next if $sort eq 'wcy' && !$dxchan->{wcy};
1595 next if $sort eq 'wx' && !$dxchan->{wx};
1597 $s =~ s/\a//og unless $dxchan->{beep};
1599 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1609 # obtain the hops from the list for this callsign and pc no
1615 my $hops = $DXProt::hopcount{$pcno};
1616 $hops = $DXProt::def_hopcount if !$hops;
1621 # adjust the hop count on a per node basis using the user loadable
1622 # hop table if available or else decrement an existing one
1629 my $call = $self->{call};
1632 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1633 my ($pcno) = $s =~ /^PC(\d\d)/o;
1634 confess "$call called adjust_hops with '$s'" unless $pcno;
1635 my $ref = $nodehops{$call} if %nodehops;
1637 my $newhops = $ref->{$pcno};
1638 return "" if defined $newhops && $newhops == 0;
1639 $newhops = $ref->{default} unless $newhops;
1640 return "" if defined $newhops && $newhops == 0;
1641 $newhops = $hops if !$newhops;
1642 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1644 # simply decrement it
1646 return "" if !$hops;
1647 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1659 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1660 do "$main::data/hop_table.pl";
1666 # add a ping request to the ping queues
1669 my ($from, $to) = @_;
1670 my $ref = $pings{$to} || [];
1673 $r->{t} = [ gettimeofday ];
1674 route(undef, $to, pc51($to, $main::mycall, 1));
1681 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
1682 if ($tonode eq $main::mycall) {
1683 my $ref = DXUser->get_current($fromnode);
1684 my $cref = Route::Node::get($fromnode);
1685 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
1686 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
1687 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1688 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1689 my $oldpriv = $self->{priv};
1690 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1691 my @in = (DXCommandmode::run_cmd($self, $cmd));
1692 $self->{priv} = $oldpriv;
1693 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
1694 delete $self->{remotecmd};
1696 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
1699 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
1702 my $ref = DXUser->get_current($tonode);
1703 if ($ref && $ref->is_clx) {
1704 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
1706 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
1711 sub process_rcmd_reply
1713 my ($self, $tonode, $fromnode, $user, $line) = @_;
1714 if ($tonode eq $main::mycall) {
1715 my $s = $rcmds{$fromnode};
1717 my $dxchan = DXChannel->get($s->{call});
1718 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
1719 $ref->send($line) if $ref;
1720 delete $rcmds{$fromnode} if !$dxchan;
1722 # send unsolicited ones to the sysop
1723 my $dxchan = DXChannel->get($main::myalias);
1724 $dxchan->send($line) if $dxchan;
1727 my $ref = DXUser->get_current($tonode);
1728 if ($ref && $ref->is_clx) {
1729 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
1731 $self->route($tonode, pc35($fromnode, $tonode, $line));
1740 my $fromnode = shift;
1745 Log('rcmd', 'out', $fromnode, $line);
1746 if ($self->is_clx) {
1747 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
1749 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
1754 # add a rcmd request to the rcmd queues
1757 my ($self, $to, $cmd) = @_;
1760 $r->{call} = $self->{call};
1761 $r->{t} = $main::systime;
1765 my $ref = Route::Node::get($to);
1766 my $dxchan = $ref->dxchan;
1767 if ($dxchan && $dxchan->is_clx) {
1768 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1770 route(undef, $to, pc34($main::mycall, $to, $cmd));
1777 my $pc39flag = shift;
1778 my $call = $self->call;
1780 return if $self->{disconnecting}++;
1782 unless ($pc39flag && $pc39flag == 1) {
1783 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1787 my $node = Route::Node::get($call);
1790 @rout = $node->del($main::routeroot);
1793 # unbusy and stop and outgoing mail
1794 my $mref = DXMsg::get_busy($call);
1795 $mref->stop_msg($call) if $mref;
1797 # broadcast to all other nodes that all the nodes connected to via me are gone
1798 unless ($pc39flag && $pc39flag == 2) {
1799 $self->route_pc21(@rout) if @rout;
1802 # remove outstanding pings
1803 delete $pings{$call};
1805 # I was the last node visited
1806 $self->user->node($main::mycall);
1808 # send info to all logged in thingies
1809 $self->tell_login('logoutn');
1811 Log('DXProt', $call . " Disconnected");
1813 $self->SUPER::disconnect;
1818 # send a talk message to this thingy
1822 my ($self, $from, $to, $via, $line, $origin) = @_;
1824 $line =~ s/\^/\\5E/g; # remove any ^ characters
1825 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
1826 Log('talk', $self->call, $from, $via?$via:$main::mycall, $line) unless $origin && $origin ne $main::mycall;
1829 # send it if it isn't the except list and isn't isolated and still has a hop count
1830 # taking into account filtering and so on
1834 my $generate = shift;
1835 my $no = shift; # the no of things to filter on
1837 my ($filter, $hops);
1840 for (; @_ && $no; $no--) {
1843 if (!$self->{isolate} && $self->{routefilter}) {
1846 ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1850 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
1853 dbg("was sent a null value") if isdbg('chanerr');
1856 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
1860 foreach my $line (&$generate(@rin, @_)) {
1863 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1865 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1866 next unless $routeit;
1868 $self->send($routeit);
1876 my $generate = shift;
1877 my @dxchan = DXChannel::get_all_nodes();
1881 unless ($self->{isolate}) {
1882 foreach $dxchan (@dxchan) {
1883 next if $dxchan == $self;
1884 next if $dxchan == $me;
1885 $dxchan->send_route($generate, @_);
1893 broadcast_route($self, \&pc16, 1, @_);
1899 broadcast_route($self, \&pc17, 1, @_);
1905 broadcast_route($self, \&pc19, scalar @_, @_);
1911 broadcast_route($self, \&pc21, scalar @_, @_);
1917 broadcast_route($self, \&pc24, 1, @_);
1923 broadcast_route($self, \&pc41, 1, @_);
1929 broadcast_route($self, \&pc50, 1, @_);
1936 my ($filter, $hops) = (1, 1);
1938 if ($self->{inroutefilter}) {
1939 ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1940 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
1951 $s =~ s/\^H\d\d?\^?\~?$//;
1952 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
1953 $eph{$s} = $main::systime;
1961 while (($key, $val) = each %eph) {
1962 if ($key =~ m{$regex}) {
1972 while (($key, $val) = each %eph) {
1973 if ($main::systime - $val > 180) {