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 my $priv = $user->priv;
217 $priv = $user->priv(1) unless $priv;
218 $self->{priv} = $priv; # other clusters can always be 'normal' users
219 $self->{lang} = $user->lang || 'en';
220 $self->{isolate} = $user->{isolate};
221 $self->{consort} = $line; # save the connection type
224 # get the output filters
225 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
226 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
227 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
228 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
229 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) ;
232 # get the INPUT filters (these only pertain to Clusters)
233 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
234 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
235 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
236 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
237 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1);
239 # set unbuffered and no echo
240 $self->send_now('B',"0");
241 $self->send_now('E',"0");
243 # ping neighbour node stuff
244 my $ping = $user->pingint;
245 $ping = 5*60 unless defined $ping;
246 $self->{pingint} = $ping;
247 $self->{nopings} = $user->nopings || 2;
248 $self->{pingtime} = [ ];
249 $self->{pingave} = 0;
251 # send initialisation string
252 unless ($self->{outbound}) {
254 $self->{lastping} = $main::systime;
256 $self->{lastping} = $main::systime + ($self->pingint / 2);
258 $self->state('init');
259 $self->{pc50_t} = $main::systime;
261 # send info to all logged in thingies
262 $self->tell_login('loginn');
264 Log('DXProt', "$call connected");
268 # This is the normal pcxx despatcher
272 my ($self, $line) = @_;
273 my @field = split /\^/, $line;
274 return unless @field;
276 pop @field if $field[-1] eq '~';
278 # print join(',', @field), "\n";
281 # process PC frames, this will fail unless the frame starts PCnn
282 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
284 return if $pcno < 10 || $pcno > 99;
286 # check for and dump bad protocol messages
287 my $n = check($pcno, @field);
289 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
296 $pcr = Local::pcprot($self, $pcno, @field);
298 # dbg("Local::pcprot error $@") if isdbg('local') if $@;
302 if ($pcno == 10) { # incoming talk
304 # will we allow it at all?
307 if (@bad = BadWords::check($field[3])) {
308 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
313 # is it for me or one of mine?
314 my ($to, $via, $call, $dxchan);
315 if ($field[5] gt ' ') {
316 $call = $via = $field[2];
319 $call = $to = $field[2];
321 $dxchan = DXChannel->get($main::myalias) if $call eq $main::mycall;
322 $dxchan = DXChannel->get($call) unless $dxchan;
323 if ($dxchan && $dxchan->is_user) {
324 $field[3] =~ s/\%5E/^/g;
325 $dxchan->talk($field[1], $to, $via, $field[3]);
327 $self->route($field[2], $line); # relay it on its way
332 if ($pcno == 11 || $pcno == 26) { # dx spot
334 # route 'foreign' pc26s
336 if ($field[7] ne $main::mycall) {
337 $self->route($field[7], $line);
342 # if this is a 'nodx' node then ignore it
343 if ($badnode->in($field[7])) {
344 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
348 # if this is a 'bad spotter' user then ignore it
349 if ($badspotter->in($field[6])) {
350 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
354 # convert the date to a unix date
355 my $d = cltounix($field[3], $field[4]);
356 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
357 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
358 dbg("PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n") if isdbg('chanerr');
363 if ($baddx->in($field[2])) {
364 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
369 $field[5] =~ s/^\s+//; # take any leading blanks off
370 $field[2] = unpad($field[2]); # take off leading and trailing blanks from spotted callsign
371 if ($field[2] =~ /BUST\w*$/) {
372 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
375 if (Spot::dup($field[1], $field[2], $d, $field[5])) {
376 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
381 if (@bad = BadWords::check($field[5])) {
382 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
387 my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
388 # global spot filtering on INPUT
389 if ($self->{inspotsfilter}) {
390 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
392 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
401 # @spot at this point contains:-
402 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
403 # then spotted itu, spotted cq, spotters itu, spotters cq
404 # you should be able to route on any of these
407 # fix up qra locators of known users
408 my $user = DXUser->get_current($spot[4]);
410 my $qra = $user->qra;
411 unless ($qra && is_qra($qra)) {
412 my $lat = $user->lat;
413 my $long = $user->long;
414 if (defined $lat && defined $long) {
415 $user->qra(DXBearing::lltoqra($lat, $long));
420 # send a remote command to a distant cluster if it is visible and there is no
421 # qra locator and we havn't done it for a month.
423 unless ($user->qra) {
425 my $to = $user->homenode;
426 my $last = $user->lastoper || 0;
427 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
428 my $cmd = "forward/opernam $spot[4]";
429 # send the rcmd but we aren't interested in the replies...
430 my $dxchan = $node->dxchan;
431 if ($dxchan && $dxchan->is_clx) {
432 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
434 route(undef, $to, pc34($main::mycall, $to, $cmd));
436 if ($to ne $field[7]) {
438 $node = Route::Node::get($to);
440 $dxchan = $node->dxchan;
441 if ($dxchan && $dxchan->is_clx) {
442 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
444 route(undef, $to, pc34($main::mycall, $to, $cmd));
448 $user->lastoper($main::systime);
457 $r = Local::spot($self, @spot);
459 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
462 # DON'T be silly and send on PC26s!
463 return if $pcno == 26;
465 # send out the filtered spots
466 send_dx_spot($self, $line, @spot) if @spot;
470 if ($pcno == 12) { # announces
471 # announce duplicate checking
472 $field[3] =~ s/^\s+//; # remove leading blanks
473 if (AnnTalk::dup($field[1], $field[2], $field[3])) {
474 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
480 if (@bad = BadWords::check($field[3])) {
481 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
486 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
488 # global ann filtering on INPUT
489 if ($self->{inannfilter}) {
490 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
491 my @dxcc = Prefix::extract($field[1]);
493 $ann_dxcc = $dxcc[1]->dxcc;
494 $ann_itu = $dxcc[1]->itu;
495 $ann_cq = $dxcc[1]->cq();
497 @dxcc = Prefix::extract($field[5]);
499 $org_dxcc = $dxcc[1]->dxcc;
500 $org_itu = $dxcc[1]->itu;
501 $org_cq = $dxcc[1]->cq();
503 my ($filter, $hops) = $self->{inannfilter}->it(@field[1..6], $self->{call},
504 $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
506 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
512 $self->send_announce($line, @field[1..6]);
514 $self->route($field[2], $line);
530 if ($pcno == 16) { # add a user
534 my $ncall = $field[1];
535 my $newline = "PC16^";
537 if ($ncall eq $main::mycall) {
538 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
541 $dxchan = DXChannel->get($ncall);
542 if ($dxchan && $dxchan ne $self) {
543 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
546 my $parent = Route::Node::get($ncall);
548 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
552 # input filter if required
553 return unless $self->in_filter_route($parent);
557 for ($i = 2; $i < $#field; $i++) {
558 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
559 next unless $call && $conf && defined $here && is_callsign($call);
560 next if $call eq $main::mycall;
562 eph_del_regex("^PC17\^$call\^$ncall");
564 $conf = $conf eq '*';
566 my $r = Route::User::get($call);
567 my $flags = Route::here($here)|Route::conf($conf);
570 if ($r->flags != $flags) {
574 $r->addparent($ncall);
576 push @rout, $parent->add_user($call, $flags);
579 # add this station to the user database, if required
580 $call =~ s/-\d+$//o; # remove ssid for users
581 my $user = DXUser->get_current($call);
582 $user = DXUser->new($call) if !$user;
583 $user->homenode($parent->call) if !$user->homenode;
584 $user->node($parent->call);
585 $user->lastin($main::systime) unless DXChannel->get($call);
589 if (eph_dup($line)) {
590 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
594 # queue up any messages (look for privates only)
595 DXMsg::queue_msg(1) if $self->state eq 'normal';
597 $self->route_pc16($parent, @rout) if @rout;
601 if ($pcno == 17) { # remove a user
603 my $ncall = $field[2];
604 my $ucall = $field[1];
606 eph_del_regex("^PC16.*$ncall.*$ucall");
608 if ($ncall eq $main::mycall) {
609 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
612 $dxchan = DXChannel->get($ncall);
613 if ($dxchan && $dxchan ne $self) {
614 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
617 my $parent = Route::Node::get($ncall);
619 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
623 # input filter if required
624 return unless $self->in_filter_route($parent);
626 my @rout = $parent->del_user($ucall);
628 if (eph_dup($line)) {
629 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
633 $self->route_pc17($parent, @rout) if @rout;
637 if ($pcno == 18) { # link request
638 $self->state('init');
640 # first clear out any nodes on this dxchannel
641 my $parent = Route::Node::get($self->{call});
642 my @rout = $parent->del_nodes;
643 $self->route_pc21(@rout, $parent);
644 $self->send_local_config();
646 return; # we don't pass these on
649 if ($pcno == 19) { # incoming cluster list
651 my $newline = "PC19^";
655 my $parent = Route::Node::get($self->{call});
657 dbg("DXPROT: my parent $self->{call} has disappeared");
663 for ($i = 1; $i < $#field-1; $i += 4) {
664 my $here = $field[$i];
665 my $call = uc $field[$i+1];
666 my $conf = $field[$i+2];
667 my $ver = $field[$i+3];
668 next unless defined $here && defined $conf && is_callsign($call);
670 eph_del_regex("^PC(?:21\^$call|17\^[^\^]+\^$call)");
672 # check for sane parameters
673 $ver = 5000 if $ver eq '0000';
674 next if $ver < 5000; # only works with version 5 software
675 next if length $call < 3; # min 3 letter callsigns
676 next if $call eq $main::mycall;
678 # update it if required
679 my $r = Route::Node::get($call);
680 my $flags = Route::here($here)|Route::conf($conf);
683 if ($call ne $parent->call) {
684 if ($self->in_filter_route($r)) {
685 $ar = $parent->add($call, $ver, $flags);
686 push @rout, $ar if $ar;
691 if ($r->version ne $ver || $r->flags != $flags) {
694 push @rout, $r unless $ar;
697 if ($call eq $self->{call}) {
698 dbg("DXPROT: my channel route for $call has disappeared");
702 my $new = Route->new($call); # throw away
703 if ($self->in_filter_route($new)) {
704 my $r = $parent->add($call, $ver, $flags);
711 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
712 my $mref = DXMsg::get_busy($call);
713 $mref->stop_msg($call) if $mref;
715 # add this station to the user database, if required (don't remove SSID from nodes)
716 my $user = DXUser->get_current($call);
718 $user = DXUser->new($call);
720 $user->priv(1); # I have relented and defaulted nodes
722 $user->homenode($call);
725 $user->lastin($main::systime) unless DXChannel->get($call);
729 if (eph_dup($line)) {
730 dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
734 $self->route_pc19(@rout) if @rout;
738 if ($pcno == 20) { # send local configuration
739 $self->send_local_config();
741 $self->state('normal');
745 if ($pcno == 21) { # delete a cluster from the list
746 my $call = uc $field[1];
748 eph_del_regex("^PC1[79].*$call");
751 my $parent = Route::Node::get($self->{call});
753 dbg("DXPROT: my parent $self->{call} has disappeared");
757 my $node = Route::Node::get($call);
758 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
759 if ($call eq $self->{call}) {
760 dbg("PCPROT: Trying to disconnect myself with PC21") if isdbg('chanerr');
766 return unless $self->in_filter_route($node);
769 push @rout, $node->del($parent);
772 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
776 if (eph_dup($line)) {
777 dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
781 $self->route_pc21(@rout) if @rout;
786 $self->state('normal');
790 if ($pcno == 23 || $pcno == 27) { # WWV info
792 # route 'foreign' pc27s
794 if ($field[8] ne $main::mycall) {
795 $self->route($field[8], $line);
801 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
802 my $sfi = unpad($field[3]);
803 my $k = unpad($field[4]);
804 my $i = unpad($field[5]);
805 my ($r) = $field[6] =~ /R=(\d+)/;
807 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
808 dbg("PCPROT: WWV Date ($field[1] $field[2]) out of range") if isdbg('chanerr');
811 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
812 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
815 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
817 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
821 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
823 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
826 # DON'T be silly and send on PC27s!
827 return if $pcno == 27;
829 # broadcast to the eager world
830 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
834 if ($pcno == 24) { # set here status
835 my $call = uc $field[1];
837 $nref = Route::Node::get($call);
838 $uref = Route::User::get($call);
839 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
841 unless (eph_dup($line)) {
842 $nref->here($field[2]) if $nref;
843 $uref->here($field[2]) if $uref;
844 my $ref = $nref || $uref;
845 return unless $self->in_filter_route($ref);
846 $self->route_pc24($ref, $field[3]);
851 if ($pcno == 25) { # merge request
852 if ($field[1] ne $main::mycall) {
853 $self->route($field[1], $line);
856 if ($field[2] eq $main::mycall) {
857 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
861 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
865 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
868 $self->send(pc26(@{$in}[0..4], $field[2]));
874 my @in = reverse Geomag::search(0, $field[4], time, 1);
877 $self->send(pc27(@{$in}[0..5], $field[2]));
883 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
884 if ($pcno == 49 || $field[1] eq $main::mycall) {
885 DXMsg::process($self, $line);
887 $self->route($field[1], $line) unless $self->is_clx;
892 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
893 $self->process_rcmd($field[1], $field[2], $field[2], $field[3]);
897 if ($pcno == 35) { # remote command replies
898 $self->process_rcmd_reply($field[1], $field[2], $field[1], $field[3]);
902 # for pc 37 see 44 onwards
904 if ($pcno == 38) { # node connected list from neighbour
908 if ($pcno == 39) { # incoming disconnect
909 if ($field[1] eq $self->{call}) {
910 $self->disconnect(1);
911 eph_del_regex("^PC(?:1[679]|21).*$field[1]");
913 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
918 if ($pcno == 41) { # user info
919 my $call = $field[1];
921 # input filter if required
922 # my $ref = Route::get($call) || Route->new($call);
923 # return unless $self->in_filter_route($ref);
925 if ($field[3] eq $field[2]) {
926 dbg('PCPROT: invalid value') if isdbg('chanerr');
930 # add this station to the user database, if required
931 my $user = DXUser->get_current($call);
932 $user = DXUser->new($call) if !$user;
934 if ($field[2] == 1) {
935 $user->name($field[3]);
936 } elsif ($field[2] == 2) {
937 $user->qth($field[3]);
938 } elsif ($field[2] == 3) {
939 if (is_latlong($field[3])) {
940 my ($lat, $long) = DXBearing::stoll($field[3]);
943 $user->qra(DXBearing::lltoqra($lat, $long));
945 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
948 } elsif ($field[2] == 4) {
949 $user->homenode($field[3]);
950 } elsif ($field[2] == 5) {
951 if (is_qra($field[3])) {
952 my ($lat, $long) = DXBearing::qratoll($field[3]);
955 $user->qra($field[3]);
957 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
961 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
964 # perhaps this IS what we want after all
965 # $self->route_pc41($ref, $call, $field[2], $field[3], $field[4]);
973 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
974 DXDb::process($self, $line);
978 if ($pcno == 50) { # keep alive/user list
979 my $call = $field[1];
980 my $node = Route::Node::get($call);
982 return unless $node->call eq $self->{call};
983 $node->usercount($field[2]);
985 # input filter if required
986 return unless $self->in_filter_route($node);
988 $self->route_pc50($node, $field[2], $field[3]) unless eph_dup($line);
993 if ($pcno == 51) { # incoming ping requests/answers
995 my $from = $field[2];
996 my $flag = $field[3];
1000 if ($to eq $main::mycall) {
1002 $self->send(pc51($from, $to, '0'));
1004 # it's a reply, look in the ping list for this one
1005 my $ref = $pings{$from};
1007 my $tochan = DXChannel->get($from);
1009 my $r = shift @$ref;
1010 my $dxchan = DXChannel->get($r->{call});
1011 next unless $dxchan;
1012 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1013 if ($dxchan->is_user) {
1014 my $s = sprintf "%.2f", $t;
1015 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1016 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1017 } elsif ($dxchan->is_node) {
1019 $tochan->{nopings} = $tochan->user->nopings || 2; # pump up the timer
1020 push @{$tochan->{pingtime}}, $t;
1021 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1023 for (@{$tochan->{pingtime}}) {
1026 $tochan->{pingave} = $st / @{$tochan->{pingtime}};
1033 if (eph_dup($line)) {
1034 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1037 # route down an appropriate thingy
1038 $self->route($to, $line);
1043 if ($pcno == 75) { # dunno but route it
1044 my $call = $field[1];
1045 if ($call ne $main::mycall) {
1046 $self->route($call, $line);
1051 if ($pcno == 73) { # WCY broadcasts
1052 my $call = $field[1];
1055 my $d = cltounix($call, sprintf("%02d18Z", $field[2]));
1056 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
1057 dbg("PCPROT: WCY Date ($call $field[2]) out of range") if isdbg('chanerr');
1060 @field = map { unpad($_) } @field;
1061 if (WCY::dup($d,@field[3..7])) {
1062 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1066 my $wcy = WCY::update($d, @field[2..12]);
1070 $rep = Local::wwv($self, @field[1..12]);
1072 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1075 # broadcast to the eager world
1076 send_wcy_spot($self, $line, $d, @field[2..12]);
1080 if ($pcno == 84) { # remote commands (incoming)
1081 $self->process_rcmd($field[1], $field[2], $field[3], $field[4]);
1085 if ($pcno == 85) { # remote command replies
1086 $self->process_rcmd_reply($field[1], $field[2], $field[3], $field[4]);
1092 # if get here then rebroadcast the thing with its Hop count decremented (if
1093 # there is one). If it has a hop count and it decrements to zero then don't
1096 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1100 if (eph_dup($line)) {
1101 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1103 unless ($self->{isolate}) {
1104 broadcast_ak1a($line, $self); # send it to everyone but me
1110 # This is called from inside the main cluster processing loop and is used
1111 # for despatching commands that are doing some long processing job
1116 my @dxchan = DXChannel->get_all();
1119 foreach $dxchan (@dxchan) {
1120 next unless $dxchan->is_node();
1121 next if $dxchan == $me;
1123 # send a pc50 out on this channel
1124 $dxchan->{pc50_t} = $main::systime unless exists $dxchan->{pc50_t};
1125 if ($t >= $dxchan->{pc50_t} + $DXProt::pc50_interval) {
1126 my $s = pc50($me, scalar DXChannel::get_all_users);
1129 $dxchan->{pc50_t} = $t;
1132 # send a ping out on this channel
1133 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1134 if ($dxchan->{nopings} <= 0) {
1135 $dxchan->disconnect;
1137 addping($main::mycall, $dxchan->call);
1138 $dxchan->{nopings} -= 1;
1139 $dxchan->{lastping} = $t;
1145 if ($t - $last10 >= 10) {
1146 # clean out ephemera
1153 if ($main::systime - 3600 > $last_hour) {
1154 $last_hour = $main::systime;
1159 # finish up a pc context
1163 # some active measures
1170 my @dxchan = DXChannel->get_all();
1173 # send it if it isn't the except list and isn't isolated and still has a hop count
1174 # taking into account filtering and so on
1175 foreach $dxchan (@dxchan) {
1176 next if $dxchan == $me;
1177 next if $dxchan == $self && $self->is_node;
1178 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1186 my $isolate = shift;
1187 my ($filter, $hops);
1189 if ($self->{spotsfilter}) {
1190 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1191 return unless $filter;
1193 send_prot_line($self, $filter, $hops, $isolate, $line);
1198 my ($self, $filter, $hops, $isolate, $line) = @_;
1203 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1205 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1206 return unless $routeit;
1209 $self->send($routeit);
1211 $self->send($routeit) unless $self->{isolate} || $isolate;
1220 my @dxchan = DXChannel->get_all();
1222 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1223 my @dxcc = Prefix::extract($_[7]);
1225 $wwv_dxcc = $dxcc[1]->dxcc;
1226 $wwv_itu = $dxcc[1]->itu;
1227 $wwv_cq = $dxcc[1]->cq;
1229 @dxcc = Prefix::extract($_[8]);
1231 $org_dxcc = $dxcc[1]->dxcc;
1232 $org_itu = $dxcc[1]->itu;
1233 $org_cq = $dxcc[1]->cq;
1236 # send it if it isn't the except list and isn't isolated and still has a hop count
1237 # taking into account filtering and so on
1238 foreach $dxchan (@dxchan) {
1239 next if $dxchan == $me;
1240 next if $dxchan == $self && $self->is_node;
1242 my ($filter, $hops);
1244 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1253 my $isolate = shift;
1254 my ($filter, $hops);
1256 if ($self->{wwvfilter}) {
1257 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1258 return unless $filter;
1260 send_prot_line($self, $filter, $hops, $isolate, $line)
1267 my @dxchan = DXChannel->get_all();
1269 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1270 my @dxcc = Prefix::extract($_[11]);
1272 $wcy_dxcc = $dxcc[1]->dxcc;
1273 $wcy_itu = $dxcc[1]->itu;
1274 $wcy_cq = $dxcc[1]->cq;
1276 @dxcc = Prefix::extract($_[12]);
1278 $org_dxcc = $dxcc[1]->dxcc;
1279 $org_itu = $dxcc[1]->itu;
1280 $org_cq = $dxcc[1]->cq;
1283 # send it if it isn't the except list and isn't isolated and still has a hop count
1284 # taking into account filtering and so on
1285 foreach $dxchan (@dxchan) {
1286 next if $dxchan == $me;
1287 next if $dxchan == $self;
1289 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1297 my $isolate = shift;
1298 my ($filter, $hops);
1300 if ($self->{wcyfilter}) {
1301 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1302 return unless $filter;
1304 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1312 my @dxchan = DXChannel->get_all();
1316 my $text = unpad($_[2]);
1318 if ($_[3] eq '*') { # sysops
1320 } elsif ($_[3] gt ' ') { # speciality list handling
1321 my ($name) = split /\./, $_[3];
1322 $target = "$name"; # put the rest in later (if bothered)
1329 $target = "ALL" if !$target;
1331 Log('ann', $target, $_[0], $text);
1333 # obtain country codes etc
1334 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1335 my @dxcc = Prefix::extract($_[0]);
1337 $ann_dxcc = $dxcc[1]->dxcc;
1338 $ann_itu = $dxcc[1]->itu;
1339 $ann_cq = $dxcc[1]->cq;
1341 @dxcc = Prefix::extract($_[4]);
1343 $org_dxcc = $dxcc[1]->dxcc;
1344 $org_itu = $dxcc[1]->itu;
1345 $org_cq = $dxcc[1]->cq;
1348 # send it if it isn't the except list and isn't isolated and still has a hop count
1349 # taking into account filtering and so on
1350 foreach $dxchan (@dxchan) {
1351 next if $dxchan == $me;
1352 next if $dxchan == $self && $self->is_node;
1354 my ($filter, $hops);
1356 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq)
1364 my $isolate = shift;
1367 my ($filter, $hops);
1369 if ($self->{annfilter}) {
1370 ($filter, $hops) = $self->{annfilter}->it(@_);
1371 return unless $filter;
1373 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1377 sub send_local_config
1385 dbg('DXProt::send_local_config') if isdbg('trace');
1388 if ($self->{isolate}) {
1389 @localnodes = ( $main::routeroot );
1391 # create a list of all the nodes that are not connected to this connection
1392 # and are not themselves isolated, this to make sure that isolated nodes
1393 # don't appear outside of this node
1394 my @dxchan = grep { $_->call ne $main::mycall && $_->call ne $self->{call} } DXChannel::get_all_nodes();
1395 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1396 my @intcalls = map { $_->nodes } @localnodes if @localnodes;
1397 my $ref = Route::Node::get($self->{call});
1398 my @rnodes = $ref->nodes;
1399 for my $n (@intcalls) {
1400 push @remotenodes, Route::Node::get($n) unless grep $n eq $_, @rnodes;
1402 unshift @localnodes, $main::routeroot;
1405 send_route($self, \&pc19, scalar(@localnodes)+scalar(@remotenodes), @localnodes, @remotenodes);
1407 # get all the users connected on the above nodes and send them out
1408 foreach $n (@localnodes, @remotenodes) {
1410 send_route($self, \&pc16, 1, $n, map {my $r = Route::User::get($_); $r ? ($r) : ()} $n->users);
1412 dbg("sent a null value") if isdbg('chanerr');
1418 # route a message down an appropriate interface for a callsign
1420 # is called route(to, pcline);
1424 my ($self, $call, $line) = @_;
1426 if (ref $self && $call eq $self->{call}) {
1427 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1431 # always send it down the local interface if available
1432 my $dxchan = DXChannel->get($call);
1434 my $cl = Route::get($call);
1435 $dxchan = $cl->dxchan if $cl;
1437 if (ref $self && $dxchan eq $self) {
1438 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1444 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1446 $dxchan->send($routeit) unless $dxchan == $me;
1449 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1453 # broadcast a message to all clusters taking into account isolation
1454 # [except those mentioned after buffer]
1457 my $s = shift; # the line to be rebroadcast
1458 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1459 my @dxchan = DXChannel::get_all_nodes();
1462 # send it if it isn't the except list and isn't isolated and still has a hop count
1463 foreach $dxchan (@dxchan) {
1464 next if grep $dxchan == $_, @except;
1465 next if $dxchan == $me;
1467 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1468 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1472 # broadcast a message to all clusters ignoring isolation
1473 # [except those mentioned after buffer]
1474 sub broadcast_all_ak1a
1476 my $s = shift; # the line to be rebroadcast
1477 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1478 my @dxchan = DXChannel::get_all_nodes();
1481 # send it if it isn't the except list and isn't isolated and still has a hop count
1482 foreach $dxchan (@dxchan) {
1483 next if grep $dxchan == $_, @except;
1484 next if $dxchan == $me;
1486 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1487 $dxchan->send($routeit);
1491 # broadcast to all users
1492 # storing the spot or whatever until it is in a state to receive it
1495 my $s = shift; # the line to be rebroadcast
1496 my $sort = shift; # the type of transmission
1497 my $fref = shift; # a reference to an object to filter on
1498 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1499 my @dxchan = DXChannel::get_all_users();
1503 foreach $dxchan (@dxchan) {
1504 next if grep $dxchan == $_, @except;
1507 broadcast_list($s, $sort, $fref, @out);
1510 # broadcast to a list of users
1518 foreach $dxchan (@_) {
1520 next if $dxchan == $me;
1522 if ($sort eq 'dx') {
1523 next unless $dxchan->{dx};
1524 ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
1525 next unless $filter;
1527 next if $sort eq 'ann' && !$dxchan->{ann} && $s !~ /^To\s+LOCAL\s+de\s+(?:$main::myalias|$main::mycall)/i;
1528 next if $sort eq 'wwv' && !$dxchan->{wwv};
1529 next if $sort eq 'wcy' && !$dxchan->{wcy};
1530 next if $sort eq 'wx' && !$dxchan->{wx};
1532 $s =~ s/\a//og unless $dxchan->{beep};
1534 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1544 # obtain the hops from the list for this callsign and pc no
1550 my $hops = $DXProt::hopcount{$pcno};
1551 $hops = $DXProt::def_hopcount if !$hops;
1556 # adjust the hop count on a per node basis using the user loadable
1557 # hop table if available or else decrement an existing one
1564 my $call = $self->{call};
1567 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1568 my ($pcno) = $s =~ /^PC(\d\d)/o;
1569 confess "$call called adjust_hops with '$s'" unless $pcno;
1570 my $ref = $nodehops{$call} if %nodehops;
1572 my $newhops = $ref->{$pcno};
1573 return "" if defined $newhops && $newhops == 0;
1574 $newhops = $ref->{default} unless $newhops;
1575 return "" if defined $newhops && $newhops == 0;
1576 $newhops = $hops if !$newhops;
1577 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1579 # simply decrement it
1581 return "" if !$hops;
1582 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1594 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1595 do "$main::data/hop_table.pl";
1601 # add a ping request to the ping queues
1604 my ($from, $to) = @_;
1605 my $ref = $pings{$to} || [];
1608 $r->{t} = [ gettimeofday ];
1609 route(undef, $to, pc51($to, $main::mycall, 1));
1616 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
1617 if ($tonode eq $main::mycall) {
1618 my $ref = DXUser->get_current($fromnode);
1619 my $cref = Route::Node::get($fromnode);
1620 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
1621 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
1622 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1623 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1624 my $oldpriv = $self->{priv};
1625 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1626 my @in = (DXCommandmode::run_cmd($self, $cmd));
1627 $self->{priv} = $oldpriv;
1628 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
1629 delete $self->{remotecmd};
1631 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
1634 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
1637 my $ref = DXUser->get_current($tonode);
1638 if ($ref && $ref->is_clx) {
1639 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
1641 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
1646 sub process_rcmd_reply
1648 my ($self, $tonode, $fromnode, $user, $line) = @_;
1649 if ($tonode eq $main::mycall) {
1650 my $s = $rcmds{$fromnode};
1652 my $dxchan = DXChannel->get($s->{call});
1653 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
1654 $ref->send($line) if $ref;
1655 delete $rcmds{$fromnode} if !$dxchan;
1657 # send unsolicited ones to the sysop
1658 my $dxchan = DXChannel->get($main::myalias);
1659 $dxchan->send($line) if $dxchan;
1662 my $ref = DXUser->get_current($tonode);
1663 if ($ref && $ref->is_clx) {
1664 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
1666 $self->route($tonode, pc35($fromnode, $tonode, $line));
1675 my $fromnode = shift;
1680 Log('rcmd', 'out', $fromnode, $line);
1681 if ($self->is_clx) {
1682 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
1684 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
1689 # add a rcmd request to the rcmd queues
1692 my ($self, $to, $cmd) = @_;
1695 $r->{call} = $self->{call};
1696 $r->{t} = $main::systime;
1700 my $ref = Route::Node::get($to);
1701 my $dxchan = $ref->dxchan;
1702 if ($dxchan && $dxchan->is_clx) {
1703 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1705 route(undef, $to, pc34($main::mycall, $to, $cmd));
1712 my $pc39flag = shift;
1713 my $call = $self->call;
1715 unless ($pc39flag && $pc39flag == 1) {
1716 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1720 my $node = Route::Node::get($call);
1723 # @rout = $node->del_nodes; # at the next level
1724 @rout = $node->del($main::routeroot);
1727 # unbusy and stop and outgoing mail
1728 my $mref = DXMsg::get_busy($call);
1729 $mref->stop_msg($call) if $mref;
1731 # broadcast to all other nodes that all the nodes connected to via me are gone
1732 unless ($pc39flag && $pc39flag == 2) {
1733 $self->route_pc21(@rout) if @rout;
1736 # remove outstanding pings
1737 delete $pings{$call};
1739 # I was the last node visited
1740 $self->user->node($main::mycall);
1742 # send info to all logged in thingies
1743 $self->tell_login('logoutn');
1745 Log('DXProt', $call . " Disconnected");
1747 $self->SUPER::disconnect;
1752 # send a talk message to this thingy
1756 my ($self, $from, $to, $via, $line) = @_;
1758 $line =~ s/\^/\\5E/g; # remove any ^ characters
1759 $self->send(DXProt::pc10($from, $to, $via, $line));
1760 Log('talk', $self->call, $from, $via?$via:$main::mycall, $line);
1763 # send it if it isn't the except list and isn't isolated and still has a hop count
1764 # taking into account filtering and so on
1768 my $generate = shift;
1769 my $no = shift; # the no of things to filter on
1771 my ($filter, $hops);
1774 for (; @_ && $no; $no--) {
1777 if ($self->{routefilter}) {
1780 ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1784 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
1787 dbg("was sent a null value") if isdbg('chanerr');
1794 foreach my $line (&$generate(@rin, @_)) {
1797 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1799 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1800 next unless $routeit;
1802 $self->send($routeit);
1810 my $generate = shift;
1811 my @dxchan = DXChannel::get_all_nodes();
1815 foreach $dxchan (@dxchan) {
1816 next if $dxchan == $self;
1817 next if $dxchan == $me;
1818 if ($dxchan->{routefilter}) {
1819 $dxchan->send_route($generate, @_);
1821 $dxchan->send_route($generate, @_) unless $self->{isolate} || $dxchan->{isolate};
1829 broadcast_route($self, \&pc16, 1, @_);
1835 broadcast_route($self, \&pc17, 1, @_);
1841 broadcast_route($self, \&pc19, scalar @_, @_);
1847 broadcast_route($self, \&pc21, scalar @_, @_);
1853 broadcast_route($self, \&pc24, 1, @_);
1859 broadcast_route($self, \&pc41, 1, @_);
1865 broadcast_route($self, \&pc50, 1, @_);
1872 my ($filter, $hops) = (1, 1);
1874 if ($self->{inroutefilter}) {
1875 ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1876 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
1886 $s =~ s/\^H\d\d?\^?\~?$//;
1887 return 1 if exists $eph{$s};
1888 $eph{$s} = $main::systime;
1896 while (($key, $val) = each %eph) {
1897 if ($key =~ m{$regex}) {
1907 while (($key, $val) = each %eph) {
1908 if ($main::systime - $val > 90) {