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);
37 use vars qw($me $pc11_max_age $pc23_max_age
38 $last_hour $last10 %eph %pings %rcmds
39 %nodehops $baddx $badspotter $badnode $censorpc
40 $allowzero $decode_dk0wcy $send_opernam @checklist);
42 $me = undef; # the channel id for this cluster
43 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
44 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
46 $last_hour = time; # last time I did an hourly periodic update
47 %pings = (); # outstanding ping requests outbound
48 %rcmds = (); # outstanding rcmd requests outbound
49 %nodehops = (); # node specific hop control
50 $censorpc = 1; # Do a BadWords::check on text fields and reject things
51 # loads of 'bad things'
52 $baddx = new DXHash "baddx";
53 $badspotter = new DXHash "badspotter";
54 $badnode = new DXHash "badnode";
59 [ qw(c c m bp bc c) ], # pc10
60 [ qw(f m d t m c c h) ], # pc11
61 [ qw(c bc m bp bm p h) ], # pc12
65 undef , # pc16 has to be validated manually
68 undef , # pc19 has to be validated manually
69 undef , # pc20 no validation
71 undef , # pc22 no validation
72 [ qw(d n n n n m c c h) ], # pc23
74 [ qw(c c n n) ], # pc25
75 [ qw(f m d t m c c bc) ], # pc26
76 [ qw(d n n n n m c c bc) ], # pc27
77 [ qw(c c m c d t p m bp n p bp bc) ], # pc28
78 [ qw(c c n m) ], # pc29
86 [ qw(c c n m) ], # pc37
87 undef, # pc38 not interested
89 [ qw(c c m p n) ], # pc40
90 [ qw(c n m h) ], # pc41
92 undef, # pc43 don't handle it
93 [ qw(c c n m m c) ], # pc44
94 [ qw(c c n m) ], # pc45
100 [ qw(c c n) ], # pc51
122 [ qw(d n n n n n n m m m c c h) ], # pc73
133 [ qw(c c c m) ], # pc84
134 [ qw(c c c m) ], # pc85
137 # use the entry in the check list to check the field list presented
138 # return OK if line NOT in check list (for now)
143 return 0 if $n < 0 || $n > @checklist;
144 my $ref = $checklist[$n];
145 return 0 unless ref $ref;
148 shift; # not interested in the first field
149 for ($i = 0; $i < @$ref; $i++) {
150 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
151 return 0 unless $act;
152 next if $blank && $_[$i] =~ /^[ \*]$/;
154 return $i+1 unless is_callsign($_[$i]);
155 } elsif ($act eq 'm') {
156 return $i+1 unless is_pctext($_[$i]);
157 } elsif ($act eq 'p') {
158 return $i+1 unless is_pcflag($_[$i]);
159 } elsif ($act eq 'f') {
160 return $i+1 unless is_freq($_[$i]);
161 } elsif ($act eq 'n') {
162 return $i+1 unless $_[$i] =~ /^[\d ]+$/;
163 } elsif ($act eq 'h') {
164 return $i+1 unless $_[$i] =~ /^H\d\d?$/;
165 } elsif ($act eq 'd') {
166 return $i+1 unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
167 } elsif ($act eq 't') {
168 return $i+1 unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
176 my $user = DXUser->get($main::mycall);
177 $DXProt::myprot_version += $main::version*100;
178 $me = DXProt->new($main::mycall, 0, $user);
180 $me->{state} = "indifferent";
181 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
183 $me->{sort} = 'S'; # S for spider
185 # $Route::Node::me->adddxchan($me);
189 # obtain a new connection this is derived from dxchannel
194 my $self = DXChannel::alloc(@_);
196 # add this node to the table, the values get filled in later
199 $main::routeroot->add($call, '0000', Route::here(1)) if $call ne $main::mycall;
204 # this is how a pc connection starts (for an incoming connection)
205 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
206 # all the crap that comes between).
209 my ($self, $line, $sort) = @_;
210 my $call = $self->{call};
211 my $user = $self->{user};
213 # remember type of connection
214 $self->{consort} = $line;
215 $self->{outbound} = $sort eq 'O';
216 $self->{priv} = $user->priv || 1; # other clusters can always be 'normal' users
217 $self->{lang} = $user->lang || 'en';
218 $self->{isolate} = $user->{isolate};
219 $self->{consort} = $line; # save the connection type
222 # get the output filters
223 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
224 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
225 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
226 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
227 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) ;
230 # get the INPUT filters (these only pertain to Clusters)
231 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
232 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
233 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
234 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
235 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1);
237 # set unbuffered and no echo
238 $self->send_now('B',"0");
239 $self->send_now('E',"0");
241 # ping neighbour node stuff
242 my $ping = $user->pingint;
243 $ping = 5*60 unless defined $ping;
244 $self->{pingint} = $ping;
245 $self->{nopings} = $user->nopings || 2;
246 $self->{pingtime} = [ ];
247 $self->{pingave} = 0;
249 # send initialisation string
250 unless ($self->{outbound}) {
252 $self->{lastping} = $main::systime;
254 $self->{lastping} = $main::systime + ($self->pingint / 2);
256 $self->state('init');
257 $self->{pc50_t} = $main::systime;
259 # send info to all logged in thingies
260 $self->tell_login('loginn');
262 Log('DXProt', "$call connected");
266 # This is the normal pcxx despatcher
270 my ($self, $line) = @_;
271 my @field = split /\^/, $line;
272 return unless @field;
274 pop @field if $field[-1] eq '~';
276 # print join(',', @field), "\n";
279 # process PC frames, this will fail unless the frame starts PCnn
280 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
282 return if $pcno < 10 || $pcno > 99;
284 # check for and dump bad protocol messages
285 my $n = check($pcno, @field);
287 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
294 $pcr = Local::pcprot($self, $pcno, @field);
296 # dbg("Local::pcprot error $@") if isdbg('local') if $@;
300 if ($pcno == 10) { # incoming talk
302 # will we allow it at all?
305 if (@bad = BadWords::check($field[3])) {
306 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
311 # is it for me or one of mine?
312 my ($to, $via, $call, $dxchan);
313 if ($field[5] gt ' ') {
314 $call = $via = $field[2];
317 $call = $to = $field[2];
319 $dxchan = DXChannel->get($call);
320 if ($dxchan && $dxchan->is_user) {
321 $field[3] =~ s/\%5E/^/g;
322 $dxchan->talk($field[1], $to, $via, $field[3]);
324 $self->route($field[2], $line); # relay it on its way
329 if ($pcno == 11 || $pcno == 26) { # dx spot
331 # route 'foreign' pc26s
333 if ($field[7] ne $main::mycall) {
334 $self->route($field[7], $line);
339 # if this is a 'nodx' node then ignore it
340 if ($badnode->in($field[7])) {
341 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
345 # if this is a 'bad spotter' user then ignore it
346 if ($badspotter->in($field[6])) {
347 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
351 # convert the date to a unix date
352 my $d = cltounix($field[3], $field[4]);
353 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
354 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
355 dbg("PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n") if isdbg('chanerr');
360 if ($baddx->in($field[2])) {
361 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
366 $field[5] =~ s/^\s+//; # take any leading blanks off
367 $field[2] = unpad($field[2]); # take off leading and trailing blanks from spotted callsign
368 if ($field[2] =~ /BUST\w*$/) {
369 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
372 if (Spot::dup($field[1], $field[2], $d, $field[5])) {
373 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
378 if (@bad = BadWords::check($field[5])) {
379 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
384 my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
385 # global spot filtering on INPUT
386 if ($self->{inspotsfilter}) {
387 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
389 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
398 # @spot at this point contains:-
399 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
400 # then spotted itu, spotted cq, spotters itu, spotters cq
401 # you should be able to route on any of these
404 # fix up qra locators of known users
405 my $user = DXUser->get_current($spot[4]);
407 my $qra = $user->qra;
408 unless ($qra && DXBearing::is_qra($qra)) {
409 my $lat = $user->lat;
410 my $long = $user->long;
411 if (defined $lat && defined $long) {
412 $user->qra(DXBearing::lltoqra($lat, $long));
417 # send a remote command to a distant cluster if it is visible and there is no
418 # qra locator and we havn't done it for a month.
420 unless ($user->qra) {
422 my $to = $user->homenode;
423 my $last = $user->lastoper || 0;
424 if ($send_opernam && $main::systime > $last + $DXUser::lastoperinterval && $to && ($node = Route::Node::get($to)) ) {
425 my $cmd = "forward/opernam $spot[4]";
426 # send the rcmd but we aren't interested in the replies...
427 my $dxchan = $node->dxchan;
428 if ($dxchan && $dxchan->is_clx) {
429 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
431 route(undef, $to, pc34($main::mycall, $to, $cmd));
433 if ($to ne $field[7]) {
435 $node = Route::Node::get($to);
437 $dxchan = $node->dxchan;
438 if ($dxchan && $dxchan->is_clx) {
439 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
441 route(undef, $to, pc34($main::mycall, $to, $cmd));
445 $user->lastoper($main::systime);
454 $r = Local::spot($self, @spot);
456 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
459 # DON'T be silly and send on PC26s!
460 return if $pcno == 26;
462 # send out the filtered spots
463 send_dx_spot($self, $line, @spot) if @spot;
467 if ($pcno == 12) { # announces
468 # announce duplicate checking
469 $field[3] =~ s/^\s+//; # remove leading blanks
470 if (AnnTalk::dup($field[1], $field[2], $field[3])) {
471 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
477 if (@bad = BadWords::check($field[3])) {
478 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
483 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
485 # global ann filtering on INPUT
486 if ($self->{inannfilter}) {
487 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
488 my @dxcc = Prefix::extract($field[1]);
490 $ann_dxcc = $dxcc[1]->dxcc;
491 $ann_itu = $dxcc[1]->itu;
492 $ann_cq = $dxcc[1]->cq();
494 @dxcc = Prefix::extract($field[5]);
496 $org_dxcc = $dxcc[1]->dxcc;
497 $org_itu = $dxcc[1]->itu;
498 $org_cq = $dxcc[1]->cq();
500 my ($filter, $hops) = $self->{inannfilter}->it(@field[1..6], $self->{call},
501 $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
503 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
509 $self->send_announce($line, @field[1..6]);
511 $self->route($field[2], $line);
527 if ($pcno == 16) { # add a user
531 my $ncall = $field[1];
532 my $newline = "PC16^";
534 if ($ncall eq $main::mycall) {
535 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
538 $dxchan = DXChannel->get($ncall);
539 if ($dxchan && $dxchan ne $self) {
540 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
543 my $parent = Route::Node::get($ncall);
545 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
549 # input filter if required
550 return unless $self->in_filter_route($parent);
554 for ($i = 2; $i < $#field; $i++) {
555 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
556 next unless $call && $conf && defined $here && is_callsign($call);
557 next if $call eq $main::mycall;
559 $conf = $conf eq '*';
561 my $r = Route::User::get($call);
562 my $flags = Route::here($here)|Route::conf($conf);
565 if ($r->flags != $flags) {
569 $r->addparent($ncall);
571 push @rout, $parent->add_user($call, $flags);
574 # add this station to the user database, if required
575 $call =~ s/-\d+$//o; # remove ssid for users
576 my $user = DXUser->get_current($call);
577 $user = DXUser->new($call) if !$user;
578 $user->homenode($parent->call) if !$user->homenode;
579 $user->node($parent->call);
580 $user->lastin($main::systime) unless DXChannel->get($call);
585 # queue up any messages (look for privates only)
586 DXMsg::queue_msg(1) if $self->state eq 'normal';
588 $self->route_pc16($parent, @rout) if @rout;
592 if ($pcno == 17) { # remove a user
594 my $ncall = $field[2];
595 my $ucall = $field[1];
596 if ($ncall eq $main::mycall) {
597 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
600 $dxchan = DXChannel->get($ncall);
601 if ($dxchan && $dxchan ne $self) {
602 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
605 my $parent = Route::Node::get($ncall);
607 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
611 # input filter if required
612 return unless $self->in_filter_route($parent);
614 my @rout = $parent->del_user($ucall);
615 $self->route_pc17($parent, @rout) if @rout;
619 if ($pcno == 18) { # link request
620 $self->state('init');
622 # first clear out any nodes on this dxchannel
623 my $parent = Route::Node::get($self->{call});
624 my @rout = $parent->del_nodes;
625 $self->route_pc21(@rout, $parent);
626 $self->send_local_config();
628 return; # we don't pass these on
631 if ($pcno == 19) { # incoming cluster list
633 my $newline = "PC19^";
637 my $parent = Route::Node::get($self->{call});
639 dbg("DXPROT: my parent $self->{call} has disappeared");
645 for ($i = 1; $i < $#field-1; $i += 4) {
646 my $here = $field[$i];
647 my $call = uc $field[$i+1];
648 my $conf = $field[$i+2];
649 my $ver = $field[$i+3];
650 next unless defined $here && defined $conf && is_callsign($call);
651 # check for sane parameters
652 $ver = 5000 if $ver eq '0000';
653 next if $ver < 5000; # only works with version 5 software
654 next if length $call < 3; # min 3 letter callsigns
655 next if $call eq $main::mycall;
657 # update it if required
658 my $r = Route::Node::get($call);
659 my $flags = Route::here($here)|Route::conf($conf);
662 if ($call ne $parent->call) {
663 if ($self->in_filter_route($r)) {
664 $ar = $parent->add($call, $ver, $flags);
665 push @rout, $ar if $ar;
670 if ($r->version ne $ver || $r->flags != $flags) {
673 push @rout, $r unless $ar;
676 if ($call eq $self->{call}) {
677 dbg("DXPROT: my channel route for $call has disappeared");
681 my $new = Route->new($call); # throw away
682 if ($self->in_filter_route($new)) {
683 my $r = $parent->add($call, $ver, $flags);
690 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
691 my $mref = DXMsg::get_busy($call);
692 $mref->stop_msg($call) if $mref;
694 # add this station to the user database, if required (don't remove SSID from nodes)
695 my $user = DXUser->get_current($call);
697 $user = DXUser->new($call);
699 $user->priv(1); # I have relented and defaulted nodes
700 $self->{priv} = 1; # to user RCMDs allowed
701 $user->homenode($call);
704 $user->lastin($main::systime) unless DXChannel->get($call);
708 $self->route_pc19(@rout) if @rout;
712 if ($pcno == 20) { # send local configuration
713 $self->send_local_config();
715 $self->state('normal');
719 if ($pcno == 21) { # delete a cluster from the list
720 my $call = uc $field[1];
722 my $parent = Route::Node::get($self->{call});
724 dbg("DXPROT: my parent $self->{call} has disappeared");
728 my $node = Route::Node::get($call);
729 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
730 if ($call eq $self->{call}) {
731 dbg("PCPROT: Trying to disconnect myself with PC21") if isdbg('chanerr');
737 return unless $self->in_filter_route($node);
740 push @rout, $node->del($parent);
743 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
746 $self->route_pc21(@rout) if @rout;
751 $self->state('normal');
755 if ($pcno == 23 || $pcno == 27) { # WWV info
757 # route 'foreign' pc27s
759 if ($field[8] ne $main::mycall) {
760 $self->route($field[8], $line);
766 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
767 my $sfi = unpad($field[3]);
768 my $k = unpad($field[4]);
769 my $i = unpad($field[5]);
770 my ($r) = $field[6] =~ /R=(\d+)/;
772 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
773 dbg("PCPROT: WWV Date ($field[1] $field[2]) out of range") if isdbg('chanerr');
776 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
777 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
780 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
782 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
786 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
788 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
791 # DON'T be silly and send on PC27s!
792 return if $pcno == 27;
794 # broadcast to the eager world
795 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
799 if ($pcno == 24) { # set here status
800 my $call = uc $field[1];
802 $nref = Route::Node::get($call);
803 $uref = Route::User::get($call);
804 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
806 unless (eph_dup($line)) {
807 $nref->here($field[2]) if $nref;
808 $uref->here($field[2]) if $uref;
809 my $ref = $nref || $uref;
810 return unless $self->in_filter_route($ref);
811 $self->route_pc24($ref, $field[3]);
816 if ($pcno == 25) { # merge request
817 if ($field[1] ne $main::mycall) {
818 $self->route($field[1], $line);
821 if ($field[2] eq $main::mycall) {
822 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
826 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
830 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
833 $self->send(pc26(@{$in}[0..4], $field[2]));
839 my @in = reverse Geomag::search(0, $field[4], time, 1);
842 $self->send(pc27(@{$in}[0..5], $field[2]));
848 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
849 if ($pcno == 49 || $field[1] eq $main::mycall) {
850 DXMsg::process($self, $line);
852 $self->route($field[1], $line) unless $self->is_clx;
857 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
858 if ($field[1] eq $main::mycall) {
859 my $ref = DXUser->get_current($field[2]);
860 my $cref = Route::Node::get($field[2]);
861 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
862 unless (!$cref || !$ref || $cref->call ne $ref->homenode) { # not allowed to relay RCMDS!
863 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
864 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
865 my $oldpriv = $self->{priv};
866 $self->{priv} = $ref->{priv}; # assume the user's privilege level
867 my @in = (DXCommandmode::run_cmd($self, $field[3]));
868 $self->{priv} = $oldpriv;
871 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
872 Log('rcmd', 'out', $field[2], $_);
874 delete $self->{remotecmd};
876 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
879 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
882 my $ref = DXUser->get_current($field[1]);
883 if ($ref && $ref->is_clx) {
884 $self->route($field[1], pc84($field[2], $field[1], $field[2], $field[3]));
886 $self->route($field[1], $line);
892 if ($pcno == 35) { # remote command replies
893 if ($field[1] eq $main::mycall) {
894 my $s = $rcmds{$field[2]};
896 my $dxchan = DXChannel->get($s->{call});
897 $dxchan->send($field[3]) if $dxchan;
898 delete $rcmds{$field[2]} if !$dxchan;
900 # send unsolicited ones to the sysop
901 my $dxchan = DXChannel->get($main::myalias);
902 $dxchan->send($field[3]) if $dxchan;
905 my $ref = DXUser->get_current($field[1]);
906 if ($ref && $ref->is_clx) {
907 $self->route($field[1], pc85($field[2], $field[1], $field[2], $field[3]));
909 $self->route($field[1], $line);
915 # for pc 37 see 44 onwards
917 if ($pcno == 38) { # node connected list from neighbour
921 if ($pcno == 39) { # incoming disconnect
922 if ($field[1] eq $self->{call}) {
923 $self->disconnect(1);
925 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
930 if ($pcno == 41) { # user info
931 # add this station to the user database, if required
932 my $call = $field[1];
933 my $user = DXUser->get_current($call);
934 $user = DXUser->new($call) if !$user;
936 if ($field[2] == 1) {
937 $user->name($field[3]);
938 } elsif ($field[2] == 2) {
939 $user->qth($field[3]);
940 } elsif ($field[2] == 3) {
941 my ($lat, $long) = DXBearing::stoll($field[3]);
944 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra && DXBearing::is_qra($user->qra);
945 } elsif ($field[2] == 4) {
946 $user->homenode($field[3]);
948 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
950 my $ref = Route::get($call) || Route->new($call);
952 # input filter if required
953 return unless $self->in_filter_route($ref);
955 $self->route_pc41($ref, $call, $field[2], $field[3], $field[4]) if $ref && !eph_dup($line);
963 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
964 DXDb::process($self, $line);
968 if ($pcno == 50) { # keep alive/user list
969 my $call = $field[1];
970 my $node = Route::Node::get($call);
972 return unless $node->call eq $self->{call};
973 $node->usercount($field[2]);
975 # input filter if required
976 return unless $self->in_filter_route($node);
978 $self->route_pc50($node, $field[2], $field[3]) unless eph_dup($line);
983 if ($pcno == 51) { # incoming ping requests/answers
985 my $from = $field[2];
986 my $flag = $field[3];
989 if ($to eq $main::mycall) {
991 $self->send(pc51($from, $to, '0'));
993 # it's a reply, look in the ping list for this one
994 my $ref = $pings{$from};
996 my $tochan = DXChannel->get($from);
999 my $dxchan = DXChannel->get($r->{call});
1000 next unless $dxchan;
1001 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1002 if ($dxchan->is_user) {
1003 my $s = sprintf "%.2f", $t;
1004 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1005 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1006 } elsif ($dxchan->is_node) {
1008 $tochan->{nopings} = $tochan->user->nopings || 2; # pump up the timer
1009 push @{$tochan->{pingtime}}, $t;
1010 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1012 for (@{$tochan->{pingtime}}) {
1015 $tochan->{pingave} = $st / @{$tochan->{pingtime}};
1022 # route down an appropriate thingy
1023 $self->route($to, $line);
1028 if ($pcno == 75) { # dunno but route it
1029 my $call = $field[1];
1030 if ($call ne $main::mycall) {
1031 $self->route($call, $line);
1036 if ($pcno == 73) { # WCY broadcasts
1037 my $call = $field[1];
1040 my $d = cltounix($call, sprintf("%02d18Z", $field[2]));
1041 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
1042 dbg("PCPROT: WCY Date ($call $field[2]) out of range") if isdbg('chanerr');
1045 @field = map { unpad($_) } @field;
1046 if (WCY::dup($d,@field[3..7])) {
1047 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1051 my $wcy = WCY::update($d, @field[2..12]);
1055 $rep = Local::wwv($self, @field[1..12]);
1057 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1060 # broadcast to the eager world
1061 send_wcy_spot($self, $line, $d, @field[2..12]);
1065 if ($pcno == 84) { # remote commands (incoming)
1066 my $call = $field[1];
1067 if ($call eq $main::mycall) {
1068 my $ref = DXUser->get_current($field[2]);
1069 my $cref = Route::Node::get($field[2]);
1070 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
1071 unless ($field[4] =~ /rcmd/i || !$cref || !$ref || $cref->call ne $ref->homenode) { # not allowed to relay RCMDS!
1072 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1073 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1074 my $oldpriv = $self->{priv};
1075 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1076 my @in = (DXCommandmode::run_cmd($self, $field[4]));
1077 $self->{priv} = $oldpriv;
1080 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:$_"));
1081 Log('rcmd', 'out', $field[2], $_);
1083 delete $self->{remotecmd};
1085 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:sorry...!"));
1088 $self->send(pc85($main::mycall, $field[2], $field[3],"$main::mycall:your attempt is logged, Tut tut tut...!"));
1091 my $ref = DXUser->get_current($call);
1092 if ($ref && $ref->is_clx) {
1093 $self->route($call, $line);
1095 $self->route($call, pc34($field[2], $call, $field[4]));
1101 if ($pcno == 85) { # remote command replies
1102 my $call = $field[1];
1103 if ($call eq $main::mycall) {
1104 my $dxchan = DXChannel->get($field[3]);
1106 $dxchan->send($field[4]);
1108 my $s = $rcmds{$field[2]};
1110 $dxchan = DXChannel->get($s->{call});
1111 $dxchan->send($field[4]) if $dxchan;
1112 delete $rcmds{$field[2]} if !$dxchan;
1114 # send unsolicited ones to the sysop
1115 my $dxchan = DXChannel->get($main::myalias);
1116 $dxchan->send($field[4]) if $dxchan;
1120 my $ref = DXUser->get_current($call);
1121 if ($ref && $ref->is_clx) {
1122 $self->route($call, $line);
1124 $self->route($call, pc35($field[2], $call, $field[4]));
1131 # if get here then rebroadcast the thing with its Hop count decremented (if
1132 # there is one). If it has a hop count and it decrements to zero then don't
1135 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1139 if (eph_dup($line)) {
1140 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1142 unless ($self->{isolate}) {
1143 broadcast_ak1a($line, $self); # send it to everyone but me
1149 # This is called from inside the main cluster processing loop and is used
1150 # for despatching commands that are doing some long processing job
1155 my @dxchan = DXChannel->get_all();
1158 foreach $dxchan (@dxchan) {
1159 next unless $dxchan->is_node();
1160 next if $dxchan == $me;
1162 # send a pc50 out on this channel
1163 $dxchan->{pc50_t} = $main::systime unless exists $dxchan->{pc50_t};
1164 if ($t >= $dxchan->{pc50_t} + $DXProt::pc50_interval) {
1165 my $s = pc50($me, scalar DXChannel::get_all_users);
1168 $dxchan->{pc50_t} = $t;
1171 # send a ping out on this channel
1172 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1173 if ($dxchan->{nopings} <= 0) {
1174 $dxchan->disconnect;
1176 addping($main::mycall, $dxchan->call);
1177 $dxchan->{nopings} -= 1;
1178 $dxchan->{lastping} = $t;
1184 if ($t - $last10 >= 10) {
1185 # clean out ephemera
1192 if ($main::systime - 3600 > $last_hour) {
1193 $last_hour = $main::systime;
1198 # finish up a pc context
1202 # some active measures
1209 my @dxchan = DXChannel->get_all();
1212 # send it if it isn't the except list and isn't isolated and still has a hop count
1213 # taking into account filtering and so on
1214 foreach $dxchan (@dxchan) {
1215 next if $dxchan == $me;
1217 my ($filter, $hops);
1219 if ($dxchan->{spotsfilter}) {
1220 ($filter, $hops) = $dxchan->{spotsfilter}->it(@_, $self->{call} );
1221 next unless $filter;
1224 if ($dxchan->is_node) {
1225 next if $dxchan == $self;
1228 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1230 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1231 next unless $routeit;
1234 $dxchan->send($routeit) if $routeit;
1236 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1238 } elsif ($dxchan->is_user && $dxchan->{dx}) {
1239 my $buf = Spot::formatb($dxchan->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
1240 $buf .= "\a\a" if $dxchan->{beep};
1242 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1243 $dxchan->send($buf);
1245 $dxchan->delay($buf);
1255 my @dxchan = DXChannel->get_all();
1257 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1258 my @dxcc = Prefix::extract($_[7]);
1260 $wwv_dxcc = $dxcc[1]->dxcc;
1261 $wwv_itu = $dxcc[1]->itu;
1262 $wwv_cq = $dxcc[1]->cq;
1264 @dxcc = Prefix::extract($_[8]);
1266 $org_dxcc = $dxcc[1]->dxcc;
1267 $org_itu = $dxcc[1]->itu;
1268 $org_cq = $dxcc[1]->cq;
1271 # send it if it isn't the except list and isn't isolated and still has a hop count
1272 # taking into account filtering and so on
1273 foreach $dxchan (@dxchan) {
1274 next if $dxchan == $self;
1275 next if $dxchan == $me;
1277 my ($filter, $hops);
1279 if ($dxchan->{wwvfilter}) {
1280 ($filter, $hops) = $dxchan->{wwvfilter}->it(@_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1281 next unless $filter;
1283 if ($dxchan->is_node) {
1286 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1288 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1289 next unless $routeit;
1292 $dxchan->send($routeit) if $routeit;
1294 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1297 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
1298 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1299 $buf .= "\a\a" if $dxchan->{beep};
1300 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1301 $dxchan->send($buf);
1303 $dxchan->delay($buf);
1313 my @dxchan = DXChannel->get_all();
1315 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1316 my @dxcc = Prefix::extract($_[11]);
1318 $wcy_dxcc = $dxcc[1]->dxcc;
1319 $wcy_itu = $dxcc[1]->itu;
1320 $wcy_cq = $dxcc[1]->cq;
1322 @dxcc = Prefix::extract($_[12]);
1324 $org_dxcc = $dxcc[1]->dxcc;
1325 $org_itu = $dxcc[1]->itu;
1326 $org_cq = $dxcc[1]->cq;
1329 # send it if it isn't the except list and isn't isolated and still has a hop count
1330 # taking into account filtering and so on
1331 foreach $dxchan (@dxchan) {
1332 next if $dxchan == $me;
1334 my ($filter, $hops);
1336 if ($dxchan->{wcyfilter}) {
1337 ($filter, $hops) = $dxchan->{wcyfilter}->it(@_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1338 next unless $filter;
1340 if ($dxchan->is_clx || $dxchan->is_spider || $dxchan->is_dxnet) {
1343 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1345 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1346 next unless $routeit;
1349 $dxchan->send($routeit) if $routeit;
1351 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1353 } elsif ($dxchan->is_user && $dxchan->{wcy}) {
1354 my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1355 $buf .= "\a\a" if $dxchan->{beep};
1356 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1357 $dxchan->send($buf);
1359 $dxchan->delay($buf);
1370 my @dxchan = DXChannel->get_all();
1372 my $text = unpad($_[2]);
1376 if ($_[3] eq '*') { # sysops
1378 } elsif ($_[3] gt ' ') { # speciality list handling
1379 my ($name) = split /\./, $_[3];
1380 $target = "$name"; # put the rest in later (if bothered)
1387 $target = "ALL" if !$target;
1389 Log('ann', $target, $_[0], $text);
1391 # obtain country codes etc
1392 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1393 my @dxcc = Prefix::extract($_[0]);
1395 $ann_dxcc = $dxcc[1]->dxcc;
1396 $ann_itu = $dxcc[1]->itu;
1397 $ann_cq = $dxcc[1]->cq;
1399 @dxcc = Prefix::extract($_[4]);
1401 $org_dxcc = $dxcc[1]->dxcc;
1402 $org_itu = $dxcc[1]->itu;
1403 $org_cq = $dxcc[1]->cq;
1406 # send it if it isn't the except list and isn't isolated and still has a hop count
1407 # taking into account filtering and so on
1408 foreach $dxchan (@dxchan) {
1409 next if $dxchan == $self;
1410 next if $dxchan == $me;
1412 my ($filter, $hops);
1414 if ($dxchan->{annfilter}) {
1415 ($filter, $hops) = $dxchan->{annfilter}->it(@_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1416 next unless $filter;
1418 if ($dxchan->is_node && $_[1] ne $main::mycall) { # i.e not specifically routed to me
1421 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1423 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1424 next unless $routeit;
1427 $dxchan->send($routeit) if $routeit;
1429 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1432 } elsif ($dxchan->is_user) {
1433 unless ($dxchan->{ann}) {
1434 next if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
1436 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
1437 my $buf = "$to$target de $_[0]: $text";
1439 $buf .= "\a\a" if $dxchan->{beep};
1440 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1441 $dxchan->send($buf);
1443 $dxchan->delay($buf);
1449 sub send_local_config
1457 dbg('DXProt::send_local_config') if isdbg('trace');
1460 if ($self->{isolate}) {
1461 @localnodes = ( $main::routeroot );
1463 # create a list of all the nodes that are not connected to this connection
1464 # and are not themselves isolated, this to make sure that isolated nodes
1465 # don't appear outside of this node
1466 my @dxchan = grep { $_->call ne $main::mycall && $_->call ne $self->{call} } DXChannel::get_all_nodes();
1467 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1468 my @intcalls = map { $_->nodes } @localnodes if @localnodes;
1469 my $ref = Route::Node::get($self->{call});
1470 my @rnodes = $ref->nodes;
1471 for my $n (@intcalls) {
1472 push @remotenodes, Route::Node::get($n) unless grep $n eq $_, @rnodes;
1474 unshift @localnodes, $main::routeroot;
1477 send_route($self, \&pc19, scalar(@localnodes)+scalar(@remotenodes), @localnodes, @remotenodes);
1479 # get all the users connected on the above nodes and send them out
1480 foreach $n (@localnodes, @remotenodes) {
1482 send_route($self, \&pc16, 1, $n, map {my $r = Route::User::get($_); $r ? ($r) : ()} $n->users);
1484 dbg("sent a null value") if isdbg('chanerr');
1490 # route a message down an appropriate interface for a callsign
1492 # is called route(to, pcline);
1496 my ($self, $call, $line) = @_;
1498 if (ref $self && $call eq $self->{call}) {
1499 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1503 # always send it down the local interface if available
1504 my $dxchan = DXChannel->get($call);
1506 my $cl = Route::get($call);
1507 $dxchan = $cl->dxchan if $cl;
1509 if (ref $self && $dxchan eq $self) {
1510 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1516 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1518 $dxchan->send($routeit);
1521 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1525 # broadcast a message to all clusters taking into account isolation
1526 # [except those mentioned after buffer]
1529 my $s = shift; # the line to be rebroadcast
1530 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1531 my @dxchan = DXChannel::get_all_nodes();
1534 # send it if it isn't the except list and isn't isolated and still has a hop count
1535 foreach $dxchan (@dxchan) {
1536 next if grep $dxchan == $_, @except;
1537 next if $dxchan == $me;
1539 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1540 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1544 # broadcast a message to all clusters ignoring isolation
1545 # [except those mentioned after buffer]
1546 sub broadcast_all_ak1a
1548 my $s = shift; # the line to be rebroadcast
1549 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1550 my @dxchan = DXChannel::get_all_nodes();
1553 # send it if it isn't the except list and isn't isolated and still has a hop count
1554 foreach $dxchan (@dxchan) {
1555 next if grep $dxchan == $_, @except;
1556 next if $dxchan == $me;
1558 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1559 $dxchan->send($routeit);
1563 # broadcast to all users
1564 # storing the spot or whatever until it is in a state to receive it
1567 my $s = shift; # the line to be rebroadcast
1568 my $sort = shift; # the type of transmission
1569 my $fref = shift; # a reference to an object to filter on
1570 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1571 my @dxchan = DXChannel::get_all_users();
1575 foreach $dxchan (@dxchan) {
1576 next if grep $dxchan == $_, @except;
1579 broadcast_list($s, $sort, $fref, @out);
1582 # broadcast to a list of users
1590 foreach $dxchan (@_) {
1592 next if $dxchan == $me;
1594 if ($sort eq 'dx') {
1595 next unless $dxchan->{dx};
1596 ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
1597 next unless $filter;
1599 next if $sort eq 'ann' && !$dxchan->{ann} && $s !~ /^To\s+LOCAL\s+de\s+(?:$main::myalias|$main::mycall)/i;
1600 next if $sort eq 'wwv' && !$dxchan->{wwv};
1601 next if $sort eq 'wcy' && !$dxchan->{wcy};
1602 next if $sort eq 'wx' && !$dxchan->{wx};
1604 $s =~ s/\a//og unless $dxchan->{beep};
1606 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1616 # obtain the hops from the list for this callsign and pc no
1622 my $hops = $DXProt::hopcount{$pcno};
1623 $hops = $DXProt::def_hopcount if !$hops;
1628 # adjust the hop count on a per node basis using the user loadable
1629 # hop table if available or else decrement an existing one
1636 my $call = $self->{call};
1639 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1640 my ($pcno) = $s =~ /^PC(\d\d)/o;
1641 confess "$call called adjust_hops with '$s'" unless $pcno;
1642 my $ref = $nodehops{$call} if %nodehops;
1644 my $newhops = $ref->{$pcno};
1645 return "" if defined $newhops && $newhops == 0;
1646 $newhops = $ref->{default} unless $newhops;
1647 return "" if defined $newhops && $newhops == 0;
1648 $newhops = $hops if !$newhops;
1649 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1651 # simply decrement it
1653 return "" if !$hops;
1654 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1666 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1667 do "$main::data/hop_table.pl";
1673 # add a ping request to the ping queues
1676 my ($from, $to) = @_;
1677 my $ref = $pings{$to} || [];
1680 $r->{t} = [ gettimeofday ];
1681 route(undef, $to, pc51($to, $main::mycall, 1));
1686 # add a rcmd request to the rcmd queues
1689 my ($self, $to, $cmd) = @_;
1692 $r->{call} = $self->{call};
1693 $r->{t} = $main::systime;
1697 my $ref = Route::Node::get($to);
1698 my $dxchan = $ref->dxchan;
1699 if ($dxchan && $dxchan->is_clx) {
1700 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1702 route(undef, $to, pc34($main::mycall, $to, $cmd));
1709 my $pc39flag = shift;
1710 my $call = $self->call;
1712 unless ($pc39flag && $pc39flag == 1) {
1713 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1717 my $node = Route::Node::get($call);
1720 @rout = $node->del_nodes; # at the next level
1721 @rout = $node->del($main::routeroot);
1724 # unbusy and stop and outgoing mail
1725 my $mref = DXMsg::get_busy($call);
1726 $mref->stop_msg($call) if $mref;
1728 # broadcast to all other nodes that all the nodes connected to via me are gone
1729 unless ($pc39flag && $pc39flag == 2) {
1730 $self->route_pc21(@rout) if @rout;
1733 # remove outstanding pings
1734 delete $pings{$call};
1736 # I was the last node visited
1737 $self->user->node($main::mycall);
1739 # send info to all logged in thingies
1740 $self->tell_login('logoutn');
1742 Log('DXProt', $call . " Disconnected");
1744 $self->SUPER::disconnect;
1749 # send a talk message to this thingy
1753 my ($self, $from, $to, $via, $line) = @_;
1755 $line =~ s/\^/\\5E/g; # remove any ^ characters
1756 $self->send(DXProt::pc10($from, $to, $via, $line));
1757 Log('talk', $self->call, $from, $via?$via:$main::mycall, $line);
1760 # send it if it isn't the except list and isn't isolated and still has a hop count
1761 # taking into account filtering and so on
1765 my $generate = shift;
1766 my $no = shift; # the no of things to filter on
1768 my ($filter, $hops);
1771 for (; @_ && $no; $no--) {
1774 if ($self->{routefilter}) {
1777 ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1781 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
1784 dbg("was sent a null value") if isdbg('chanerr');
1791 foreach my $line (&$generate(@rin, @_)) {
1794 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1796 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1797 next unless $routeit;
1799 $self->send($routeit) if $self->{routefilter} || !$self->{isolate};
1807 my $generate = shift;
1808 my @dxchan = DXChannel::get_all_nodes();
1812 foreach $dxchan (@dxchan) {
1813 next if $dxchan == $self;
1814 next if $dxchan == $me;
1815 if ($dxchan->{routefilter} || !$self->{isolate}) {
1816 $dxchan->send_route($generate, @_)
1818 dbg('DXPROT: isolated') if isdbg('chanerr');
1826 broadcast_route($self, \&pc16, 1, @_);
1832 broadcast_route($self, \&pc17, 1, @_);
1838 broadcast_route($self, \&pc19, scalar @_, @_);
1844 broadcast_route($self, \&pc21, scalar @_, @_);
1850 broadcast_route($self, \&pc24, 1, @_);
1856 broadcast_route($self, \&pc41, 1, @_);
1862 broadcast_route($self, \&pc50, 1, @_);
1869 my ($filter, $hops) = (1, 1);
1871 if ($self->{inroutefilter}) {
1872 ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1873 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
1883 $s =~ s/\^H\d\d?\^?~?$//;
1884 return 1 if exists $eph{$s};
1885 $eph{$s} = $main::systime;
1893 while (($key, $val) = each %eph) {
1894 if ($main::systime - $val > 90) {