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);
39 use vars qw($VERSION $BRANCH);
40 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
41 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ || (0,0));
42 $main::build += $VERSION;
43 $main::branch += $BRANCH;
45 use vars qw($pc11_max_age $pc23_max_age $last_pc50 $eph_restime $eph_info_restime $eph_pc34_restime
46 $last_hour $last10 %eph %pings %rcmds $ann_to_talk
47 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
48 $allowzero $decode_dk0wcy $send_opernam @checklist);
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;
66 $eph_info_restime = 60*60;
67 $eph_pc34_restime = 30;
71 [ qw(c c m bp bc c) ], # pc10
72 [ qw(f m d t m c c h) ], # pc11
73 [ qw(c bc m bp bm p h) ], # pc12
77 undef , # pc16 has to be validated manually
80 undef , # pc19 has to be validated manually
81 undef , # pc20 no validation
83 undef , # pc22 no validation
84 [ qw(d n n n n m c c h) ], # pc23
86 [ qw(c c n n) ], # pc25
87 [ qw(f m d t m c c bc) ], # pc26
88 [ qw(d n n n n m c c bc) ], # pc27
89 [ qw(c c m c d t p m bp n p bp bc) ], # pc28
90 [ qw(c c n m) ], # pc29
98 [ qw(c c n m) ], # pc37
99 undef, # pc38 not interested
101 [ qw(c c m p n) ], # pc40
102 [ qw(c n m h) ], # pc41
103 [ qw(c c n) ], # pc42
104 undef, # pc43 don't handle it
105 [ qw(c c n m m c) ], # pc44
106 [ qw(c c n m) ], # pc45
107 [ qw(c c n) ], # pc46
110 [ qw(c m h) ], # pc49
111 [ qw(c n h) ], # pc50
112 [ qw(c c n) ], # pc51
134 [ qw(d n n n n n n m m m c c h) ], # pc73
145 [ qw(c c c m) ], # pc84
146 [ qw(c c c m) ], # pc85
149 # use the entry in the check list to check the field list presented
150 # return OK if line NOT in check list (for now)
155 return 0 if $n < 0 || $n > @checklist;
156 my $ref = $checklist[$n];
157 return 0 unless ref $ref;
160 shift; # not interested in the first field
161 for ($i = 0; $i < @$ref; $i++) {
162 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
163 return 0 unless $act;
164 next if $blank && $_[$i] =~ /^[ \*]$/;
166 return $i+1 unless is_callsign($_[$i]);
167 } elsif ($act eq 'm') {
168 return $i+1 unless is_pctext($_[$i]);
169 } elsif ($act eq 'p') {
170 return $i+1 unless is_pcflag($_[$i]);
171 } elsif ($act eq 'f') {
172 return $i+1 unless is_freq($_[$i]);
173 } elsif ($act eq 'n') {
174 return $i+1 unless $_[$i] =~ /^[\d ]+$/;
175 } elsif ($act eq 'h') {
176 return $i+1 unless $_[$i] =~ /^H\d\d?$/;
177 } elsif ($act eq 'd') {
178 return $i+1 unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
179 } elsif ($act eq 't') {
180 return $i+1 unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
188 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
193 # obtain a new connection this is derived from dxchannel
198 my $self = DXChannel::alloc(@_);
200 # add this node to the table, the values get filled in later
203 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
208 # this is how a pc connection starts (for an incoming connection)
209 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
210 # all the crap that comes between).
213 my ($self, $line, $sort) = @_;
214 my $call = $self->{call};
215 my $user = $self->{user};
218 my $host = $self->{conn}->{peerhost} || "unknown";
219 Log('DXProt', "$call connected from $host");
221 # remember type of connection
222 $self->{consort} = $line;
223 $self->{outbound} = $sort eq 'O';
224 my $priv = $user->priv;
225 $priv = $user->priv(1) unless $priv;
226 $self->{priv} = $priv; # other clusters can always be 'normal' users
227 $self->{lang} = $user->lang || 'en';
228 $self->{isolate} = $user->{isolate};
229 $self->{consort} = $line; # save the connection type
233 # sort out registration
234 $self->{registered} = 1;
236 # get the output filters
237 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
238 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
239 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
240 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
241 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
244 # get the INPUT filters (these only pertain to Clusters)
245 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
246 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
247 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
248 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
249 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
251 # set unbuffered and no echo
252 $self->send_now('B',"0");
253 $self->send_now('E',"0");
254 $self->conn->echo(0) if $self->conn->can('echo');
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->{metric} ||= 100;
264 $self->{lastping} = $main::systime;
266 # send initialisation string
267 unless ($self->{outbound}) {
271 $self->state('init');
272 $self->{pc50_t} = $main::systime;
274 # send info to all logged in thingies
275 $self->tell_login('loginn');
277 # run a script send the output to the debug file
278 my $script = new Script(lc $call) || new Script('node_default');
279 $script->run($self) if $script;
283 # send outgoing 'challenge'
293 # This is the normal pcxx despatcher
297 my ($self, $line) = @_;
298 my @field = split /\^/, $line;
299 return unless @field;
301 pop @field if $field[-1] eq '~';
303 # print join(',', @field), "\n";
306 # process PC frames, this will fail unless the frame starts PCnn
307 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
309 return if $pcno < 10 || $pcno > 99;
311 # check for and dump bad protocol messages
312 my $n = check($pcno, @field);
314 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
321 $pcr = Local::pcprot($self, $pcno, @field);
323 # dbg("Local::pcprot error $@") if isdbg('local') if $@;
327 if ($pcno == 10) { # incoming talk
330 return if $rspfcheck and !$self->rspfcheck(0, $field[6], $field[1]);
332 # will we allow it at all?
335 if (@bad = BadWords::check($field[3])) {
336 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
341 # is it for me or one of mine?
342 my ($from, $to, $via, $call, $dxchan);
344 if ($field[5] gt ' ') {
351 # if this is a 'nodx' node then ignore it
352 if ($badnode->in($field[6]) || ($via && $badnode->in($via))) {
353 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
357 # if this is a 'bad spotter' user then ignore it
359 $nossid =~ s/-\d+$//;
360 if ($badspotter->in($nossid)) {
361 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
365 # if we are converting announces to talk is it a dup?
367 if (AnnTalk::is_talk_candidate($from, $field[3]) && AnnTalk::dup($from, $to, $field[3])) {
368 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
373 # it is here and logged on
374 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
375 $dxchan = DXChannel->get($to) unless $dxchan;
376 if ($dxchan && $dxchan->is_user) {
377 $field[3] =~ s/\%5E/^/g;
378 $dxchan->talk($from, $to, $via, $field[3]);
382 # is it elsewhere, visible on the cluster via the to address?
383 # note: this discards the via unless the to address is on
386 if ($ref = Route::get($to)) {
387 $vref = Route::Node::get($via) if $via;
388 $vref = undef unless $vref && grep $to eq $_, $vref->users;
389 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $field[3], $field[6]);
393 # not visible here, send a message of condolence
395 $ref = Route::get($from);
396 $vref = $ref = Route::Node::get($field[6]) unless $ref;
398 $dxchan = $ref->dxchan;
399 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
404 if ($pcno == 11 || $pcno == 26) { # dx spot
406 # route 'foreign' pc26s
408 if ($field[7] ne $main::mycall) {
409 $self->route($field[7], $line);
415 # return if $rspfcheck and !$self->rspfcheck(1, $field[7], $field[6]);
417 # if this is a 'nodx' node then ignore it
418 if ($badnode->in($field[7])) {
419 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
423 # if this is a 'bad spotter' user then ignore it
424 my $nossid = $field[6];
425 $nossid =~ s/-\d+$//;
426 if ($badspotter->in($nossid)) {
427 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
431 # convert the date to a unix date
432 my $d = cltounix($field[3], $field[4]);
433 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
434 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
435 dbg("PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n") if isdbg('chanerr');
440 if ($baddx->in($field[2]) || BadWords::check($field[2]) || $field[2] =~ /COCK/) {
441 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
446 $field[5] =~ s/^\s+//; # take any leading blanks off
447 $field[2] = unpad($field[2]); # take off leading and trailing blanks from spotted callsign
448 if ($field[2] =~ /BUST\w*$/) {
449 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
454 if (@bad = BadWords::check($field[5])) {
455 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
461 my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
462 # global spot filtering on INPUT
463 if ($self->{inspotsfilter}) {
464 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
466 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
471 # this goes after the input filtering, but before the add
472 # so that if it is input filtered, it isn't added to the dup
473 # list. This allows it to come in from a "legitimate" source
474 if (Spot::dup($field[1], $field[2], $d, $field[5])) {
475 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
483 # @spot at this point contains:-
484 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
485 # then spotted itu, spotted cq, spotters itu, spotters cq
486 # you should be able to route on any of these
489 # fix up qra locators of known users
490 my $user = DXUser->get_current($spot[4]);
492 my $qra = $user->qra;
493 unless ($qra && is_qra($qra)) {
494 my $lat = $user->lat;
495 my $long = $user->long;
496 if (defined $lat && defined $long) {
497 $user->qra(DXBearing::lltoqra($lat, $long));
502 # send a remote command to a distant cluster if it is visible and there is no
503 # qra locator and we havn't done it for a month.
505 unless ($user->qra) {
507 my $to = $user->homenode;
508 my $last = $user->lastoper || 0;
509 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
510 my $cmd = "forward/opernam $spot[4]";
511 # send the rcmd but we aren't interested in the replies...
512 my $dxchan = $node->dxchan;
513 if ($dxchan && $dxchan->is_clx) {
514 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
516 route(undef, $to, pc34($main::mycall, $to, $cmd));
518 if ($to ne $field[7]) {
520 $node = Route::Node::get($to);
522 $dxchan = $node->dxchan;
523 if ($dxchan && $dxchan->is_clx) {
524 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
526 route(undef, $to, pc34($main::mycall, $to, $cmd));
530 $user->lastoper($main::systime);
539 $r = Local::spot($self, @spot);
541 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
544 # DON'T be silly and send on PC26s!
545 return if $pcno == 26;
547 # send out the filtered spots
548 send_dx_spot($self, $line, @spot) if @spot;
552 if ($pcno == 12) { # announces
554 # return if $rspfcheck and !$self->rspfcheck(1, $field[5], $field[1]);
556 # announce duplicate checking
557 $field[3] =~ s/^\s+//; # remove leading blanks
561 if (@bad = BadWords::check($field[3])) {
562 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
567 # if this is a 'nodx' node then ignore it
568 if ($badnode->in($field[5])) {
569 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
573 # if this is a 'bad spotter' user then ignore it
574 my $nossid = $field[1];
575 $nossid =~ s/-\d+$//;
576 if ($badspotter->in($nossid)) {
577 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
581 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
584 # here's a bit of fun, convert incoming ann with a callsign in the first word
585 # or one saying 'to <call>' to a talk if we can route to the recipient
587 my $call = AnnTalk::is_talk_candidate($field[1], $field[3]);
589 my $ref = Route::get($call);
591 my $dxchan = $ref->dxchan;
592 $dxchan->talk($field[1], $call, undef, $field[3], $field[5]) if $dxchan != $self;
599 $self->send_announce($line, @field[1..6]);
601 $self->route($field[2], $line);
616 if ($pcno == 16) { # add a user
618 if (eph_dup($line)) {
619 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
625 my $ncall = $field[1];
626 my $newline = "PC16^";
628 if ($ncall eq $main::mycall) {
629 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
632 my $parent = Route::Node::get($ncall);
634 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
637 $dxchan = $parent->dxchan;
638 if ($dxchan && $dxchan ne $self) {
639 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
643 # input filter if required
644 return unless $self->in_filter_route($parent);
648 for ($i = 2; $i < $#field; $i++) {
649 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
650 next unless $call && $conf && defined $here && is_callsign($call);
651 next if $call eq $main::mycall;
653 eph_del_regex("^PC17\\^$call\\^$ncall");
655 $conf = $conf eq '*';
657 # reject this if we think it is a node already
658 my $r = Route::Node::get($call);
659 my $u = DXUser->get_current($call) unless $r;
660 if ($r || ($u && $u->is_node)) {
661 dbg("PCPROT: $call is a node") if isdbg('chanerr');
665 $r = Route::User::get($call);
666 my $flags = Route::here($here)|Route::conf($conf);
669 if ($r->flags != $flags) {
673 $r->addparent($parent);
675 push @rout, $parent->add_user($call, $flags);
678 # add this station to the user database, if required
679 $call =~ s/-\d+$//o; # remove ssid for users
680 my $user = DXUser->get_current($call);
681 $user = DXUser->new($call) if !$user;
682 $user->homenode($parent->call) if !$user->homenode;
683 $user->node($parent->call);
684 $user->lastin($main::systime) unless DXChannel->get($call);
688 # queue up any messages (look for privates only)
689 DXMsg::queue_msg(1) if $self->state eq 'normal';
691 $self->route_pc16($parent, @rout) if @rout;
695 if ($pcno == 17) { # remove a user
697 my $ncall = $field[2];
698 my $ucall = $field[1];
700 eph_del_regex("^PC16\\^$ncall.*$ucall");
702 if ($ncall eq $main::mycall) {
703 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
707 my $uref = Route::User::get($ucall);
709 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
712 my $parent = Route::Node::get($ncall);
714 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
718 $dxchan = $parent->dxchan;
719 if ($dxchan && $dxchan ne $self) {
720 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
724 # input filter if required
725 return unless $self->in_filter_route($parent);
727 $parent->del_user($uref);
729 if (eph_dup($line)) {
730 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
734 $self->route_pc17($parent, $uref);
738 if ($pcno == 18) { # link request
739 $self->state('init');
741 # record the type and version offered
742 if ($field[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
743 $self->version(53 + $1);
744 $self->user->version(53 + $1);
745 $self->build(0 + $2);
746 $self->user->build(0 + $2);
747 unless ($self->is_spider) {
748 $self->user->sort('S');
753 $self->version(50.0);
754 $self->version($field[2] / 100) if $field[2] && $field[2] =~ /^\d+$/;
755 $self->user->version($self->version);
758 # first clear out any nodes on this dxchannel
759 my $parent = Route::Node::get($self->{call});
760 my @rout = $parent->del_nodes;
761 $self->route_pc21(@rout, $parent) if @rout;
762 $self->send_local_config();
764 return; # we don't pass these on
767 if ($pcno == 19) { # incoming cluster list
769 my $newline = "PC19^";
771 if (eph_dup($line)) {
772 dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
778 my $parent = Route::Node::get($self->{call});
780 dbg("DXPROT: my parent $self->{call} has disappeared");
786 for ($i = 1; $i < $#field-1; $i += 4) {
787 my $here = $field[$i];
788 my $call = uc $field[$i+1];
789 my $conf = $field[$i+2];
790 my $ver = $field[$i+3];
791 next unless defined $here && defined $conf && is_callsign($call);
793 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
795 # check for sane parameters
796 # $ver = 5000 if $ver eq '0000';
797 next if $ver < 5000; # only works with version 5 software
798 next if length $call < 3; # min 3 letter callsigns
799 next if $call eq $main::mycall;
801 # check that this PC19 isn't trying to alter the wrong dxchan
802 my $dxchan = DXChannel->get($call);
803 if ($dxchan && $dxchan != $self) {
804 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
808 # update it if required
809 my $r = Route::Node::get($call);
810 my $flags = Route::here($here)|Route::conf($conf);
813 if ($call ne $parent->call) {
814 if ($self->in_filter_route($r)) {
815 $ar = $parent->add($call, $ver, $flags);
816 push @rout, $ar if $ar;
821 if ($r->version ne $ver || $r->flags != $flags) {
824 push @rout, $r unless $ar;
827 if ($call eq $self->{call}) {
828 dbg("DXPROT: my channel route for $call has disappeared");
832 my $new = Route->new($call); # throw away
833 if ($self->in_filter_route($new)) {
834 my $r = $parent->add($call, $ver, $flags);
841 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
842 my $mref = DXMsg::get_busy($call);
843 $mref->stop_msg($call) if $mref;
845 # add this station to the user database, if required (don't remove SSID from nodes)
846 my $user = DXUser->get_current($call);
848 $user = DXUser->new($call);
850 $user->priv(1); # I have relented and defaulted nodes
852 $user->homenode($call);
855 $user->lastin($main::systime) unless DXChannel->get($call);
860 $self->route_pc19(@rout) if @rout;
864 if ($pcno == 20) { # send local configuration
865 $self->send_local_config();
867 $self->state('normal');
868 $self->{lastping} = 0;
872 if ($pcno == 21) { # delete a cluster from the list
873 my $call = uc $field[1];
875 eph_del_regex("^PC1[79].*$call");
877 # if I get a PC21 from the same callsign as self then treat it
878 # as a PC39: I have gone away
879 if ($call eq $self->call) {
880 $self->disconnect(1);
885 my $parent = Route::Node::get($self->{call});
887 dbg("DXPROT: my parent $self->{call} has disappeared");
891 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
892 my $node = Route::Node::get($call);
895 my $dxchan = DXChannel->get($call);
896 if ($dxchan && $dxchan != $self) {
897 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
902 return unless $self->in_filter_route($node);
905 push @rout, $node->del($parent);
908 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
912 # if (eph_dup($line)) {
913 # dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
917 $self->route_pc21(@rout) if @rout;
922 $self->state('normal');
923 $self->{lastping} = 0;
927 if ($pcno == 23 || $pcno == 27) { # WWV info
929 # route 'foreign' pc27s
931 if ($field[8] ne $main::mycall) {
932 $self->route($field[8], $line);
937 return if $rspfcheck and !$self->rspfcheck(1, $field[8], $field[7]);
940 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
941 my $sfi = unpad($field[3]);
942 my $k = unpad($field[4]);
943 my $i = unpad($field[5]);
944 my ($r) = $field[6] =~ /R=(\d+)/;
946 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
947 dbg("PCPROT: WWV Date ($field[1] $field[2]) out of range") if isdbg('chanerr');
950 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
951 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
954 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
956 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
960 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
962 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
965 # DON'T be silly and send on PC27s!
966 return if $pcno == 27;
968 # broadcast to the eager world
969 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
973 if ($pcno == 24) { # set here status
974 my $call = uc $field[1];
976 $nref = Route::Node::get($call);
977 $uref = Route::User::get($call);
978 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
980 unless (eph_dup($line)) {
981 $nref->here($field[2]) if $nref;
982 $uref->here($field[2]) if $uref;
983 my $ref = $nref || $uref;
984 return unless $self->in_filter_route($ref);
985 $self->route_pc24($ref, $field[3]);
990 if ($pcno == 25) { # merge request
991 if ($field[1] ne $main::mycall) {
992 $self->route($field[1], $line);
995 if ($field[2] eq $main::mycall) {
996 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1000 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[2]");
1003 if ($field[3] > 0) {
1004 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
1007 $self->send(pc26(@{$in}[0..4], $field[2]));
1012 if ($field[4] > 0) {
1013 my @in = reverse Geomag::search(0, $field[4], time, 1);
1016 $self->send(pc27(@{$in}[0..5], $field[2]));
1022 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
1023 return if $pcno == 49 && eph_dup($line);
1024 if ($pcno == 49 || $field[1] eq $main::mycall) {
1025 DXMsg::process($self, $line);
1027 $self->route($field[1], $line) unless $self->is_clx;
1032 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
1033 if (eph_dup($line, $eph_pc34_restime)) {
1034 dbg("PCPROT: dupe") if isdbg('chanerr');
1036 $self->process_rcmd($field[1], $field[2], $field[2], $field[3]);
1041 if ($pcno == 35) { # remote command replies
1042 eph_del_regex("^PC35\\^$field[2]\\^$field[1]\\^");
1043 $self->process_rcmd_reply($field[1], $field[2], $field[1], $field[3]);
1047 # for pc 37 see 44 onwards
1049 if ($pcno == 38) { # node connected list from neighbour
1053 if ($pcno == 39) { # incoming disconnect
1054 if ($field[1] eq $self->{call}) {
1055 $self->disconnect(1);
1057 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1062 if ($pcno == 41) { # user info
1063 my $call = $field[1];
1065 if (eph_dup($line, $eph_info_restime)) {
1066 dbg("PCPROT: dupe") if isdbg('chanerr');
1070 # input filter if required
1071 # my $ref = Route::get($call) || Route->new($call);
1072 # return unless $self->in_filter_route($ref);
1074 if ($field[3] eq $field[2] || $field[3] =~ /^\s*$/) {
1075 dbg('PCPROT: invalid value') if isdbg('chanerr');
1079 # add this station to the user database, if required
1080 my $user = DXUser->get_current($call);
1081 $user = DXUser->new($call) unless $user;
1083 if ($field[2] == 1) {
1084 $user->name($field[3]);
1085 } elsif ($field[2] == 2) {
1086 $user->qth($field[3]);
1087 } elsif ($field[2] == 3) {
1088 if (is_latlong($field[3])) {
1089 my ($lat, $long) = DXBearing::stoll($field[3]);
1092 $user->qra(DXBearing::lltoqra($lat, $long));
1094 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1097 } elsif ($field[2] == 4) {
1098 $user->homenode($field[3]);
1099 } elsif ($field[2] == 5) {
1100 if (is_qra(uc $field[3])) {
1101 my ($lat, $long) = DXBearing::qratoll(uc $field[3]);
1104 $user->qra(uc $field[3]);
1106 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1110 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1113 unless ($self->{isolate}) {
1114 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1117 # perhaps this IS what we want after all
1118 # $self->route_pc41($ref, $call, $field[2], $field[3], $field[4]);
1126 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
1127 DXDb::process($self, $line);
1131 if ($pcno == 50) { # keep alive/user list
1132 my $call = $field[1];
1133 my $node = Route::Node::get($call);
1135 return unless $node->call eq $self->{call};
1136 $node->usercount($field[2]);
1138 # input filter if required
1139 return unless $self->in_filter_route($node);
1141 $self->route_pc50($node, $field[2], $field[3]) unless eph_dup($line);
1146 if ($pcno == 51) { # incoming ping requests/answers
1148 my $from = $field[2];
1149 my $flag = $field[3];
1153 if ($to eq $main::mycall) {
1155 $self->send(pc51($from, $to, '0'));
1157 # it's a reply, look in the ping list for this one
1158 my $ref = $pings{$from};
1160 my $tochan = DXChannel->get($from);
1162 my $r = shift @$ref;
1163 my $dxchan = DXChannel->get($r->{call});
1164 next unless $dxchan;
1165 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1166 if ($dxchan->is_user) {
1167 my $s = sprintf "%.2f", $t;
1168 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1169 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1170 } elsif ($dxchan->is_node) {
1172 my $nopings = $tochan->user->nopings || 2;
1173 push @{$tochan->{pingtime}}, $t;
1174 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1176 # cope with a missed ping, this means you must set the pingint large enough
1177 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1178 $t -= $tochan->{pingint};
1181 # calc smoothed RTT a la TCP
1182 if (@{$tochan->{pingtime}} == 1) {
1183 $tochan->{pingave} = $t;
1185 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1187 $tochan->{nopings} = $nopings; # pump up the timer
1194 if (eph_dup($line)) {
1195 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1198 # route down an appropriate thingy
1199 $self->route($to, $line);
1204 if ($pcno == 75) { # dunno but route it
1205 my $call = $field[1];
1206 if ($call ne $main::mycall) {
1207 $self->route($call, $line);
1212 if ($pcno == 73) { # WCY broadcasts
1213 my $call = $field[1];
1216 my $d = cltounix($call, sprintf("%02d18Z", $field[2]));
1217 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
1218 dbg("PCPROT: WCY Date ($call $field[2]) out of range") if isdbg('chanerr');
1221 @field = map { unpad($_) } @field;
1223 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1227 my $wcy = WCY::update($d, @field[2..12]);
1231 $rep = Local::wcy($self, @field[1..12]);
1233 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1236 # broadcast to the eager world
1237 send_wcy_spot($self, $line, $d, @field[2..12]);
1241 if ($pcno == 84) { # remote commands (incoming)
1242 $self->process_rcmd($field[1], $field[2], $field[3], $field[4]);
1246 if ($pcno == 85) { # remote command replies
1247 $self->process_rcmd_reply($field[1], $field[2], $field[3], $field[4]);
1251 if ($pcno == 90) { # new style PC16,17,19,21
1256 # if get here then rebroadcast the thing with its Hop count decremented (if
1257 # there is one). If it has a hop count and it decrements to zero then don't
1260 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1264 if (eph_dup($line)) {
1265 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1267 unless ($self->{isolate}) {
1268 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1274 # This is called from inside the main cluster processing loop and is used
1275 # for despatching commands that are doing some long processing job
1280 my @dxchan = DXChannel->get_all();
1284 # send out a pc50 on EVERY channel all at once
1285 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1286 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1291 foreach $dxchan (@dxchan) {
1292 next unless $dxchan->is_node();
1293 next if $dxchan == $main::me;
1295 # send the pc50 or PC90
1296 $dxchan->send($pc50s) if $pc50s;
1298 # send a ping out on this channel
1299 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1300 if ($dxchan->{nopings} <= 0) {
1301 $dxchan->disconnect;
1303 addping($main::mycall, $dxchan->call);
1304 $dxchan->{nopings} -= 1;
1305 $dxchan->{lastping} = $t;
1311 if ($t - $last10 >= 10) {
1312 # clean out ephemera
1319 if ($main::systime - 3600 > $last_hour) {
1320 $last_hour = $main::systime;
1325 # finish up a pc context
1329 # some active measures
1337 my @dxchan = DXChannel->get_all();
1340 # send it if it isn't the except list and isn't isolated and still has a hop count
1341 # taking into account filtering and so on
1342 foreach $dxchan (@dxchan) {
1343 next if $dxchan == $main::me;
1344 next if $dxchan == $self && $self->is_node;
1345 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1353 my $isolate = shift;
1354 my ($filter, $hops);
1356 if ($self->{spotsfilter}) {
1357 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1358 return unless $filter;
1360 send_prot_line($self, $filter, $hops, $isolate, $line);
1365 my ($self, $filter, $hops, $isolate, $line) = @_;
1370 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1372 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1373 return unless $routeit;
1376 $self->send($routeit);
1378 $self->send($routeit) unless $self->{isolate} || $isolate;
1387 my @dxchan = DXChannel->get_all();
1389 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1390 my @dxcc = Prefix::extract($_[6]);
1392 $wwv_dxcc = $dxcc[1]->dxcc;
1393 $wwv_itu = $dxcc[1]->itu;
1394 $wwv_cq = $dxcc[1]->cq;
1396 @dxcc = Prefix::extract($_[7]);
1398 $org_dxcc = $dxcc[1]->dxcc;
1399 $org_itu = $dxcc[1]->itu;
1400 $org_cq = $dxcc[1]->cq;
1403 # send it if it isn't the except list and isn't isolated and still has a hop count
1404 # taking into account filtering and so on
1405 foreach $dxchan (@dxchan) {
1406 next if $dxchan == $main::me;
1407 next if $dxchan == $self && $self->is_node;
1409 my ($filter, $hops);
1411 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1420 my $isolate = shift;
1421 my ($filter, $hops);
1423 if ($self->{wwvfilter}) {
1424 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1425 return unless $filter;
1427 send_prot_line($self, $filter, $hops, $isolate, $line)
1434 my @dxchan = DXChannel->get_all();
1436 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1437 my @dxcc = Prefix::extract($_[10]);
1439 $wcy_dxcc = $dxcc[1]->dxcc;
1440 $wcy_itu = $dxcc[1]->itu;
1441 $wcy_cq = $dxcc[1]->cq;
1443 @dxcc = Prefix::extract($_[11]);
1445 $org_dxcc = $dxcc[1]->dxcc;
1446 $org_itu = $dxcc[1]->itu;
1447 $org_cq = $dxcc[1]->cq;
1450 # send it if it isn't the except list and isn't isolated and still has a hop count
1451 # taking into account filtering and so on
1452 foreach $dxchan (@dxchan) {
1453 next if $dxchan == $main::me;
1454 next if $dxchan == $self;
1456 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1464 my $isolate = shift;
1465 my ($filter, $hops);
1467 if ($self->{wcyfilter}) {
1468 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1469 return unless $filter;
1471 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1479 my @dxchan = DXChannel->get_all();
1483 my $text = unpad($_[2]);
1485 if ($_[3] eq '*') { # sysops
1487 } elsif ($_[3] gt ' ') { # speciality list handling
1488 my ($name) = split /\./, $_[3];
1489 $target = "$name"; # put the rest in later (if bothered)
1496 $target = "ALL" if !$target;
1499 # obtain country codes etc
1500 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1501 my ($ann_state, $org_state) = ("", "");
1502 my @dxcc = Prefix::extract($_[0]);
1504 $ann_dxcc = $dxcc[1]->dxcc;
1505 $ann_itu = $dxcc[1]->itu;
1506 $ann_cq = $dxcc[1]->cq;
1507 $ann_state = $dxcc[1]->state;
1509 @dxcc = Prefix::extract($_[4]);
1511 $org_dxcc = $dxcc[1]->dxcc;
1512 $org_itu = $dxcc[1]->itu;
1513 $org_cq = $dxcc[1]->cq;
1514 $org_state = $dxcc[1]->state;
1517 if ($self->{inannfilter}) {
1518 my ($filter, $hops) =
1519 $self->{inannfilter}->it(@_, $self->{call},
1520 $ann_dxcc, $ann_itu, $ann_cq,
1521 $org_dxcc, $org_itu, $org_cq, $ann_state, $org_state);
1523 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1528 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1529 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1533 Log('ann', $target, $_[0], $text);
1535 # send it if it isn't the except list and isn't isolated and still has a hop count
1536 # taking into account filtering and so on
1537 foreach $dxchan (@dxchan) {
1538 next if $dxchan == $main::me;
1539 next if $dxchan == $self && $self->is_node;
1540 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1548 my $isolate = shift;
1552 my ($filter, $hops);
1554 if ($self->{annfilter}) {
1555 ($filter, $hops) = $self->{annfilter}->it(@_);
1556 return unless $filter;
1558 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1562 sub send_local_config
1570 dbg('DXProt::send_local_config') if isdbg('trace');
1573 if ($self->{isolate}) {
1574 @localnodes = ( $main::routeroot );
1576 # create a list of all the nodes that are not connected to this connection
1577 # and are not themselves isolated, this to make sure that isolated nodes
1578 # don't appear outside of this node
1579 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1580 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1581 my @intcalls = map { $_->nodes } @localnodes if @localnodes;
1582 my $ref = Route::Node::get($self->{call});
1583 my @rnodes = $ref->nodes;
1584 for my $n (@intcalls) {
1585 push @remotenodes, Route::Node::get($n) unless grep $n eq $_, @rnodes;
1587 unshift @localnodes, $main::routeroot;
1591 send_route($self, \&pc19, scalar(@localnodes)+scalar(@remotenodes), @localnodes, @remotenodes);
1593 # get all the users connected on the above nodes and send them out
1594 foreach $n (@localnodes, @remotenodes) {
1596 send_route($self, \&pc16, 1, $n, map {my $r = Route::User::get($_); $r ? ($r) : ()} $n->users);
1598 dbg("sent a null value") if isdbg('chanerr');
1604 # route a message down an appropriate interface for a callsign
1606 # is called route(to, pcline);
1610 my ($self, $call, $line) = @_;
1612 if (ref $self && $call eq $self->{call}) {
1613 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1617 # always send it down the local interface if available
1618 my $dxchan = DXChannel->get($call);
1620 my $cl = Route::get($call);
1621 $dxchan = $cl->dxchan if $cl;
1623 if (ref $self && $dxchan eq $self) {
1624 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1630 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1632 $dxchan->send($routeit) unless $dxchan == $main::me;
1635 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1640 # obtain the hops from the list for this callsign and pc no
1646 my $hops = $DXProt::hopcount{$pcno};
1647 $hops = $DXProt::def_hopcount if !$hops;
1652 # adjust the hop count on a per node basis using the user loadable
1653 # hop table if available or else decrement an existing one
1660 my $call = $self->{call};
1663 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1664 my ($pcno) = $s =~ /^PC(\d\d)/o;
1665 confess "$call called adjust_hops with '$s'" unless $pcno;
1666 my $ref = $nodehops{$call} if %nodehops;
1668 my $newhops = $ref->{$pcno};
1669 return "" if defined $newhops && $newhops == 0;
1670 $newhops = $ref->{default} unless $newhops;
1671 return "" if defined $newhops && $newhops == 0;
1672 $newhops = $hops if !$newhops;
1673 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1675 # simply decrement it
1677 return "" if !$hops;
1678 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1690 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1691 do "$main::data/hop_table.pl";
1697 # add a ping request to the ping queues
1700 my ($from, $to) = @_;
1701 my $ref = $pings{$to} || [];
1704 $r->{t} = [ gettimeofday ];
1705 route(undef, $to, pc51($to, $main::mycall, 1));
1712 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
1713 if ($tonode eq $main::mycall) {
1714 my $ref = DXUser->get_current($fromnode);
1715 my $cref = Route::Node::get($fromnode);
1716 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
1717 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
1718 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1719 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1720 my $oldpriv = $self->{priv};
1721 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1722 my @in = (DXCommandmode::run_cmd($self, $cmd));
1723 $self->{priv} = $oldpriv;
1724 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
1725 delete $self->{remotecmd};
1727 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
1730 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
1733 my $ref = DXUser->get_current($tonode);
1734 if ($ref && $ref->is_clx) {
1735 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
1737 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
1742 sub process_rcmd_reply
1744 my ($self, $tonode, $fromnode, $user, $line) = @_;
1745 if ($tonode eq $main::mycall) {
1746 my $s = $rcmds{$fromnode};
1748 my $dxchan = DXChannel->get($s->{call});
1749 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
1750 $ref->send($line) if $ref;
1751 delete $rcmds{$fromnode} if !$dxchan;
1753 # send unsolicited ones to the sysop
1754 my $dxchan = DXChannel->get($main::myalias);
1755 $dxchan->send($line) if $dxchan;
1758 my $ref = DXUser->get_current($tonode);
1759 if ($ref && $ref->is_clx) {
1760 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
1762 $self->route($tonode, pc35($fromnode, $tonode, $line));
1771 my $fromnode = shift;
1776 Log('rcmd', 'out', $fromnode, $line);
1777 if ($self->is_clx) {
1778 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
1780 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
1785 # add a rcmd request to the rcmd queues
1788 my ($self, $to, $cmd) = @_;
1791 $r->{call} = $self->{call};
1792 $r->{t} = $main::systime;
1796 my $ref = Route::Node::get($to);
1797 my $dxchan = $ref->dxchan;
1798 if ($dxchan && $dxchan->is_clx) {
1799 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1801 route(undef, $to, pc34($main::mycall, $to, $cmd));
1808 my $pc39flag = shift;
1809 my $call = $self->call;
1811 return if $self->{disconnecting}++;
1813 unless ($pc39flag && $pc39flag == 1) {
1814 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1817 # get rid of any PC16 and 19s
1818 eph_del_regex("^PC16\\^$call");
1819 eph_del_regex("^PC19\\^.*$call");
1822 my $node = Route::Node::get($call);
1825 @rout = $node->del($main::routeroot);
1828 # unbusy and stop and outgoing mail
1829 my $mref = DXMsg::get_busy($call);
1830 $mref->stop_msg($call) if $mref;
1832 # broadcast to all other nodes that all the nodes connected to via me are gone
1833 unless ($pc39flag && $pc39flag == 2) {
1834 $self->route_pc21(@rout) if @rout;
1837 # remove outstanding pings
1838 delete $pings{$call};
1840 # I was the last node visited
1841 $self->user->node($main::mycall);
1843 # send info to all logged in thingies
1844 $self->tell_login('logoutn');
1846 Log('DXProt', $call . " Disconnected");
1848 $self->SUPER::disconnect;
1853 # send a talk message to this thingy
1857 my ($self, $from, $to, $via, $line, $origin) = @_;
1859 $line =~ s/\^/\\5E/g; # remove any ^ characters
1860 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
1861 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
1864 # send it if it isn't the except list and isn't isolated and still has a hop count
1865 # taking into account filtering and so on
1869 my $generate = shift;
1870 my $no = shift; # the no of things to filter on
1872 my ($filter, $hops);
1875 for (; @_ && $no; $no--) {
1878 if (!$self->{isolate} && $self->{routefilter}) {
1881 ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->{state}, $r->{state});
1885 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
1888 dbg("was sent a null value") if isdbg('chanerr');
1891 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
1895 foreach my $line (&$generate(@rin, @_)) {
1898 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1900 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1901 next unless $routeit;
1903 $self->send($routeit);
1911 my $generate = shift;
1912 my @dxchan = DXChannel::get_all_nodes();
1916 unless ($self->{isolate}) {
1917 foreach $dxchan (@dxchan) {
1918 next if $dxchan == $self;
1919 next if $dxchan == $main::me;
1920 next if $dxchan->user->wantnp;
1922 $dxchan->send_route($generate, @_);
1930 broadcast_route($self, \&pc16, 1, @_);
1936 broadcast_route($self, \&pc17, 1, @_);
1942 broadcast_route($self, \&pc19, scalar @_, @_);
1948 broadcast_route($self, \&pc21, scalar @_, @_);
1954 broadcast_route($self, \&pc24, 1, @_);
1960 broadcast_route($self, \&pc41, 1, @_);
1966 broadcast_route($self, \&pc50, 1, @_);
1972 broadcast_route($self, \&pc90, 1, @_);
1979 my ($filter, $hops) = (1, 1);
1981 if ($self->{inroutefilter}) {
1982 ($filter, $hops) = $self->{inroutefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq, $self->state, $r->state);
1983 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
1991 my $t = shift || $eph_restime;
1995 $s =~ s/\^H\d\d?\^?\~?$//;
1996 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
1997 $eph{$s} = $main::systime + $t;
2005 while (($key, $val) = each %eph) {
2006 if ($key =~ m{$regex}) {
2016 while (($key, $val) = each %eph) {
2017 if ($main::systime >= $val) {
2028 while (($key, $val) = each %eph) {
2029 push @out, $key, $val;
2036 goto &DXCommandmode::run_cmd;