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], $field[6])) {
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 $newline = "PC16^";
628 # do I want users from this channel?
629 unless ($self->user->wantpc16) {
630 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
634 if ($ncall eq $main::mycall) {
635 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
638 my $parent = Route::Node::get($ncall);
640 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
643 $dxchan = $parent->dxchan;
644 if ($dxchan && $dxchan ne $self) {
645 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
649 # input filter if required
650 return unless $self->in_filter_route($parent);
654 for ($i = 2; $i < $#field; $i++) {
655 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
656 next unless $call && $conf && defined $here && is_callsign($call);
657 next if $call eq $main::mycall;
659 eph_del_regex("^PC17\\^$call\\^$ncall");
661 $conf = $conf eq '*';
663 # reject this if we think it is a node already
664 my $r = Route::Node::get($call);
665 my $u = DXUser->get_current($call) unless $r;
666 if ($r || ($u && $u->is_node)) {
667 dbg("PCPROT: $call is a node") if isdbg('chanerr');
671 $r = Route::User::get($call);
672 my $flags = Route::here($here)|Route::conf($conf);
675 if ($r->flags != $flags) {
679 $r->addparent($parent);
681 push @rout, $parent->add_user($call, $flags);
684 # add this station to the user database, if required
685 $call =~ s/-\d+$//o; # remove ssid for users
686 my $user = DXUser->get_current($call);
687 $user = DXUser->new($call) if !$user;
688 $user->homenode($parent->call) if !$user->homenode;
689 $user->node($parent->call);
690 $user->lastin($main::systime) unless DXChannel->get($call);
694 # queue up any messages (look for privates only)
695 DXMsg::queue_msg(1) if $self->state eq 'normal';
697 $self->route_pc16($parent, @rout) if @rout;
701 if ($pcno == 17) { # remove a user
703 my $ncall = $field[2];
704 my $ucall = $field[1];
706 eph_del_regex("^PC16\\^$ncall.*$ucall");
708 # do I want users from this channel?
709 unless ($self->user->wantpc16) {
710 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
713 if ($ncall eq $main::mycall) {
714 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
718 my $uref = Route::User::get($ucall);
720 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
723 my $parent = Route::Node::get($ncall);
725 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
729 $dxchan = $parent->dxchan;
730 if ($dxchan && $dxchan ne $self) {
731 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
735 # input filter if required
736 return unless $self->in_filter_route($parent);
738 $parent->del_user($uref);
740 if (eph_dup($line)) {
741 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
745 $self->route_pc17($parent, $uref);
749 if ($pcno == 18) { # link request
750 $self->state('init');
752 # record the type and version offered
753 if ($field[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
754 $self->version(53 + $1);
755 $self->user->version(53 + $1);
756 $self->build(0 + $2);
757 $self->user->build(0 + $2);
758 unless ($self->is_spider) {
759 $self->user->sort('S');
764 $self->version(50.0);
765 $self->version($field[2] / 100) if $field[2] && $field[2] =~ /^\d+$/;
766 $self->user->version($self->version);
769 # first clear out any nodes on this dxchannel
770 my $parent = Route::Node::get($self->{call});
771 my @rout = $parent->del_nodes;
772 $self->route_pc21(@rout, $parent) if @rout;
773 $self->send_local_config();
775 return; # we don't pass these on
778 if ($pcno == 19) { # incoming cluster list
780 my $newline = "PC19^";
782 if (eph_dup($line)) {
783 dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
789 my $parent = Route::Node::get($self->{call});
791 dbg("DXPROT: my parent $self->{call} has disappeared");
797 for ($i = 1; $i < $#field-1; $i += 4) {
798 my $here = $field[$i];
799 my $call = uc $field[$i+1];
800 my $conf = $field[$i+2];
801 my $ver = $field[$i+3];
802 next unless defined $here && defined $conf && is_callsign($call);
804 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
806 # check for sane parameters
807 # $ver = 5000 if $ver eq '0000';
808 next if $ver < 5000; # only works with version 5 software
809 next if length $call < 3; # min 3 letter callsigns
810 next if $call eq $main::mycall;
812 # check that this PC19 isn't trying to alter the wrong dxchan
813 my $dxchan = DXChannel->get($call);
814 if ($dxchan && $dxchan != $self) {
815 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
819 # update it if required
820 my $r = Route::Node::get($call);
821 my $flags = Route::here($here)|Route::conf($conf);
824 if ($call ne $parent->call) {
825 if ($self->in_filter_route($r)) {
826 $ar = $parent->add($call, $ver, $flags);
827 push @rout, $ar if $ar;
832 if ($r->version ne $ver || $r->flags != $flags) {
835 push @rout, $r unless $ar;
838 if ($call eq $self->{call}) {
839 dbg("DXPROT: my channel route for $call has disappeared");
843 my $new = Route->new($call); # throw away
844 if ($self->in_filter_route($new)) {
845 my $r = $parent->add($call, $ver, $flags);
852 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
853 my $mref = DXMsg::get_busy($call);
854 $mref->stop_msg($call) if $mref;
856 # add this station to the user database, if required (don't remove SSID from nodes)
857 my $user = DXUser->get_current($call);
859 $user = DXUser->new($call);
861 $user->priv(1); # I have relented and defaulted nodes
863 $user->homenode($call);
866 $user->lastin($main::systime) unless DXChannel->get($call);
871 $self->route_pc19(@rout) if @rout;
875 if ($pcno == 20) { # send local configuration
876 $self->send_local_config();
878 $self->state('normal');
879 $self->{lastping} = 0;
883 if ($pcno == 21) { # delete a cluster from the list
884 my $call = uc $field[1];
886 eph_del_regex("^PC1[79].*$call");
888 # if I get a PC21 from the same callsign as self then treat it
889 # as a PC39: I have gone away
890 if ($call eq $self->call) {
891 $self->disconnect(1);
896 my $parent = Route::Node::get($self->{call});
898 dbg("DXPROT: my parent $self->{call} has disappeared");
902 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
903 my $node = Route::Node::get($call);
906 my $dxchan = DXChannel->get($call);
907 if ($dxchan && $dxchan != $self) {
908 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
913 return unless $self->in_filter_route($node);
916 push @rout, $node->del($parent);
919 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
923 # if (eph_dup($line)) {
924 # dbg("PCPROT: dup PC21 detected") if isdbg('chanerr');
928 $self->route_pc21(@rout) if @rout;
933 $self->state('normal');
934 $self->{lastping} = 0;
938 if ($pcno == 23 || $pcno == 27) { # WWV info
940 # route 'foreign' pc27s
942 if ($field[8] ne $main::mycall) {
943 $self->route($field[8], $line);
948 return if $rspfcheck and !$self->rspfcheck(1, $field[8], $field[7]);
951 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
952 my $sfi = unpad($field[3]);
953 my $k = unpad($field[4]);
954 my $i = unpad($field[5]);
955 my ($r) = $field[6] =~ /R=(\d+)/;
957 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
958 dbg("PCPROT: WWV Date ($field[1] $field[2]) out of range") if isdbg('chanerr');
961 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
962 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
965 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
967 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
971 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
973 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
976 # DON'T be silly and send on PC27s!
977 return if $pcno == 27;
979 # broadcast to the eager world
980 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
984 if ($pcno == 24) { # set here status
985 my $call = uc $field[1];
987 $nref = Route::Node::get($call);
988 $uref = Route::User::get($call);
989 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
991 unless (eph_dup($line)) {
992 $nref->here($field[2]) if $nref;
993 $uref->here($field[2]) if $uref;
994 my $ref = $nref || $uref;
995 return unless $self->in_filter_route($ref);
996 $self->route_pc24($ref, $field[3]);
1001 if ($pcno == 25) { # merge request
1002 if ($field[1] ne $main::mycall) {
1003 $self->route($field[1], $line);
1006 if ($field[2] eq $main::mycall) {
1007 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1011 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[2]");
1014 if ($field[3] > 0) {
1015 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
1018 $self->send(pc26(@{$in}[0..4], $field[2]));
1023 if ($field[4] > 0) {
1024 my @in = reverse Geomag::search(0, $field[4], time, 1);
1027 $self->send(pc27(@{$in}[0..5], $field[2]));
1033 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
1034 return if $pcno == 49 && eph_dup($line);
1035 if ($pcno == 49 || $field[1] eq $main::mycall) {
1036 DXMsg::process($self, $line);
1038 $self->route($field[1], $line) unless $self->is_clx;
1043 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
1044 if (eph_dup($line, $eph_pc34_restime)) {
1045 dbg("PCPROT: dupe") if isdbg('chanerr');
1047 $self->process_rcmd($field[1], $field[2], $field[2], $field[3]);
1052 if ($pcno == 35) { # remote command replies
1053 eph_del_regex("^PC35\\^$field[2]\\^$field[1]\\^");
1054 $self->process_rcmd_reply($field[1], $field[2], $field[1], $field[3]);
1058 # for pc 37 see 44 onwards
1060 if ($pcno == 38) { # node connected list from neighbour
1064 if ($pcno == 39) { # incoming disconnect
1065 if ($field[1] eq $self->{call}) {
1066 $self->disconnect(1);
1068 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1073 if ($pcno == 41) { # user info
1074 my $call = $field[1];
1076 if (eph_dup($line, $eph_info_restime)) {
1077 dbg("PCPROT: dupe") if isdbg('chanerr');
1081 # input filter if required
1082 # my $ref = Route::get($call) || Route->new($call);
1083 # return unless $self->in_filter_route($ref);
1085 if ($field[3] eq $field[2] || $field[3] =~ /^\s*$/) {
1086 dbg('PCPROT: invalid value') if isdbg('chanerr');
1090 # add this station to the user database, if required
1091 my $user = DXUser->get_current($call);
1092 $user = DXUser->new($call) unless $user;
1094 if ($field[2] == 1) {
1095 $user->name($field[3]);
1096 } elsif ($field[2] == 2) {
1097 $user->qth($field[3]);
1098 } elsif ($field[2] == 3) {
1099 if (is_latlong($field[3])) {
1100 my ($lat, $long) = DXBearing::stoll($field[3]);
1103 $user->qra(DXBearing::lltoqra($lat, $long));
1105 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1108 } elsif ($field[2] == 4) {
1109 $user->homenode($field[3]);
1110 } elsif ($field[2] == 5) {
1111 if (is_qra(uc $field[3])) {
1112 my ($lat, $long) = DXBearing::qratoll(uc $field[3]);
1115 $user->qra(uc $field[3]);
1117 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1121 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1124 unless ($self->{isolate}) {
1125 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1128 # perhaps this IS what we want after all
1129 # $self->route_pc41($ref, $call, $field[2], $field[3], $field[4]);
1137 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
1138 DXDb::process($self, $line);
1142 if ($pcno == 50) { # keep alive/user list
1143 my $call = $field[1];
1144 my $node = Route::Node::get($call);
1146 return unless $node->call eq $self->{call};
1147 $node->usercount($field[2]);
1149 # input filter if required
1150 return unless $self->in_filter_route($node);
1152 $self->route_pc50($node, $field[2], $field[3]) unless eph_dup($line);
1157 if ($pcno == 51) { # incoming ping requests/answers
1159 my $from = $field[2];
1160 my $flag = $field[3];
1164 if ($to eq $main::mycall) {
1166 $self->send(pc51($from, $to, '0'));
1168 # it's a reply, look in the ping list for this one
1169 my $ref = $pings{$from};
1171 my $tochan = DXChannel->get($from);
1173 my $r = shift @$ref;
1174 my $dxchan = DXChannel->get($r->{call});
1175 next unless $dxchan;
1176 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1177 if ($dxchan->is_user) {
1178 my $s = sprintf "%.2f", $t;
1179 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1180 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1181 } elsif ($dxchan->is_node) {
1183 my $nopings = $tochan->user->nopings || 2;
1184 push @{$tochan->{pingtime}}, $t;
1185 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1187 # cope with a missed ping, this means you must set the pingint large enough
1188 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1189 $t -= $tochan->{pingint};
1192 # calc smoothed RTT a la TCP
1193 if (@{$tochan->{pingtime}} == 1) {
1194 $tochan->{pingave} = $t;
1196 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1198 $tochan->{nopings} = $nopings; # pump up the timer
1205 if (eph_dup($line)) {
1206 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1209 # route down an appropriate thingy
1210 $self->route($to, $line);
1215 if ($pcno == 75) { # dunno but route it
1216 my $call = $field[1];
1217 if ($call ne $main::mycall) {
1218 $self->route($call, $line);
1223 if ($pcno == 73) { # WCY broadcasts
1224 my $call = $field[1];
1227 my $d = cltounix($call, sprintf("%02d18Z", $field[2]));
1228 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
1229 dbg("PCPROT: WCY Date ($call $field[2]) out of range") if isdbg('chanerr');
1232 @field = map { unpad($_) } @field;
1234 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1238 my $wcy = WCY::update($d, @field[2..12]);
1242 $rep = Local::wcy($self, @field[1..12]);
1244 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1247 # broadcast to the eager world
1248 send_wcy_spot($self, $line, $d, @field[2..12]);
1252 if ($pcno == 84) { # remote commands (incoming)
1253 $self->process_rcmd($field[1], $field[2], $field[3], $field[4]);
1257 if ($pcno == 85) { # remote command replies
1258 $self->process_rcmd_reply($field[1], $field[2], $field[3], $field[4]);
1262 if ($pcno == 90) { # new style PC16,17,19,21
1267 # if get here then rebroadcast the thing with its Hop count decremented (if
1268 # there is one). If it has a hop count and it decrements to zero then don't
1271 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1275 if (eph_dup($line)) {
1276 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1278 unless ($self->{isolate}) {
1279 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1285 # This is called from inside the main cluster processing loop and is used
1286 # for despatching commands that are doing some long processing job
1291 my @dxchan = DXChannel->get_all();
1295 # send out a pc50 on EVERY channel all at once
1296 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1297 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1302 foreach $dxchan (@dxchan) {
1303 next unless $dxchan->is_node();
1304 next if $dxchan == $main::me;
1306 # send the pc50 or PC90
1307 $dxchan->send($pc50s) if $pc50s;
1309 # send a ping out on this channel
1310 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1311 if ($dxchan->{nopings} <= 0) {
1312 $dxchan->disconnect;
1314 addping($main::mycall, $dxchan->call);
1315 $dxchan->{nopings} -= 1;
1316 $dxchan->{lastping} = $t;
1322 if ($t - $last10 >= 10) {
1323 # clean out ephemera
1330 if ($main::systime - 3600 > $last_hour) {
1331 $last_hour = $main::systime;
1336 # finish up a pc context
1340 # some active measures
1348 my @dxchan = DXChannel->get_all();
1351 # send it if it isn't the except list and isn't isolated and still has a hop count
1352 # taking into account filtering and so on
1353 foreach $dxchan (@dxchan) {
1354 next if $dxchan == $main::me;
1355 next if $dxchan == $self && $self->is_node;
1356 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1364 my $isolate = shift;
1365 my ($filter, $hops);
1367 if ($self->{spotsfilter}) {
1368 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1369 return unless $filter;
1371 send_prot_line($self, $filter, $hops, $isolate, $line);
1376 my ($self, $filter, $hops, $isolate, $line) = @_;
1381 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1383 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1384 return unless $routeit;
1387 $self->send($routeit);
1389 $self->send($routeit) unless $self->{isolate} || $isolate;
1398 my @dxchan = DXChannel->get_all();
1400 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1401 my @dxcc = Prefix::extract($_[6]);
1403 $wwv_dxcc = $dxcc[1]->dxcc;
1404 $wwv_itu = $dxcc[1]->itu;
1405 $wwv_cq = $dxcc[1]->cq;
1407 @dxcc = Prefix::extract($_[7]);
1409 $org_dxcc = $dxcc[1]->dxcc;
1410 $org_itu = $dxcc[1]->itu;
1411 $org_cq = $dxcc[1]->cq;
1414 # send it if it isn't the except list and isn't isolated and still has a hop count
1415 # taking into account filtering and so on
1416 foreach $dxchan (@dxchan) {
1417 next if $dxchan == $main::me;
1418 next if $dxchan == $self && $self->is_node;
1420 my ($filter, $hops);
1422 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1431 my $isolate = shift;
1432 my ($filter, $hops);
1434 if ($self->{wwvfilter}) {
1435 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1436 return unless $filter;
1438 send_prot_line($self, $filter, $hops, $isolate, $line)
1445 my @dxchan = DXChannel->get_all();
1447 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1448 my @dxcc = Prefix::extract($_[10]);
1450 $wcy_dxcc = $dxcc[1]->dxcc;
1451 $wcy_itu = $dxcc[1]->itu;
1452 $wcy_cq = $dxcc[1]->cq;
1454 @dxcc = Prefix::extract($_[11]);
1456 $org_dxcc = $dxcc[1]->dxcc;
1457 $org_itu = $dxcc[1]->itu;
1458 $org_cq = $dxcc[1]->cq;
1461 # send it if it isn't the except list and isn't isolated and still has a hop count
1462 # taking into account filtering and so on
1463 foreach $dxchan (@dxchan) {
1464 next if $dxchan == $main::me;
1465 next if $dxchan == $self;
1467 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1475 my $isolate = shift;
1476 my ($filter, $hops);
1478 if ($self->{wcyfilter}) {
1479 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1480 return unless $filter;
1482 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1490 my @dxchan = DXChannel->get_all();
1494 my $text = unpad($_[2]);
1496 if ($_[3] eq '*') { # sysops
1498 } elsif ($_[3] gt ' ') { # speciality list handling
1499 my ($name) = split /\./, $_[3];
1500 $target = "$name"; # put the rest in later (if bothered)
1507 $target = "ALL" if !$target;
1510 # obtain country codes etc
1511 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1512 my ($ann_state, $org_state) = ("", "");
1513 my @dxcc = Prefix::extract($_[0]);
1515 $ann_dxcc = $dxcc[1]->dxcc;
1516 $ann_itu = $dxcc[1]->itu;
1517 $ann_cq = $dxcc[1]->cq;
1518 $ann_state = $dxcc[1]->state;
1520 @dxcc = Prefix::extract($_[4]);
1522 $org_dxcc = $dxcc[1]->dxcc;
1523 $org_itu = $dxcc[1]->itu;
1524 $org_cq = $dxcc[1]->cq;
1525 $org_state = $dxcc[1]->state;
1528 if ($self->{inannfilter}) {
1529 my ($filter, $hops) =
1530 $self->{inannfilter}->it(@_, $self->{call},
1531 $ann_dxcc, $ann_itu, $ann_cq,
1532 $org_dxcc, $org_itu, $org_cq, $ann_state, $org_state);
1534 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1539 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1540 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1544 Log('ann', $target, $_[0], $text);
1546 # send it if it isn't the except list and isn't isolated and still has a hop count
1547 # taking into account filtering and so on
1548 foreach $dxchan (@dxchan) {
1549 next if $dxchan == $main::me;
1550 next if $dxchan == $self && $self->is_node;
1551 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1559 my $isolate = shift;
1563 my ($filter, $hops);
1565 if ($self->{annfilter}) {
1566 ($filter, $hops) = $self->{annfilter}->it(@_);
1567 return unless $filter;
1569 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1573 sub send_local_config
1581 dbg('DXProt::send_local_config') if isdbg('trace');
1584 if ($self->{isolate}) {
1585 @localnodes = ( $main::routeroot );
1587 # create a list of all the nodes that are not connected to this connection
1588 # and are not themselves isolated, this to make sure that isolated nodes
1589 # don't appear outside of this node
1590 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1591 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1592 my @intcalls = map { $_->nodes } @localnodes if @localnodes;
1593 my $ref = Route::Node::get($self->{call});
1594 my @rnodes = $ref->nodes;
1595 for my $node (@intcalls) {
1596 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes;
1598 unshift @localnodes, $main::routeroot;
1602 $self->send_route(\&pc19, scalar(@localnodes)+scalar(@remotenodes), @localnodes, @remotenodes);
1604 # get all the users connected on the above nodes and send them out
1605 foreach $node (@localnodes, @remotenodes) {
1607 $self->send_route(\&pc16, 1, $node,
1608 map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users)
1609 if $self->user->wantsendpc16;
1611 dbg("sent a null value") if isdbg('chanerr');
1617 # route a message down an appropriate interface for a callsign
1619 # is called route(to, pcline);
1623 my ($self, $call, $line) = @_;
1625 if (ref $self && $call eq $self->{call}) {
1626 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1630 # always send it down the local interface if available
1631 my $dxchan = DXChannel->get($call);
1633 my $cl = Route::get($call);
1634 $dxchan = $cl->dxchan if $cl;
1636 if (ref $self && $dxchan eq $self) {
1637 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
1643 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1645 $dxchan->send($routeit) unless $dxchan == $main::me;
1648 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
1653 # obtain the hops from the list for this callsign and pc no
1659 my $hops = $DXProt::hopcount{$pcno};
1660 $hops = $DXProt::def_hopcount if !$hops;
1665 # adjust the hop count on a per node basis using the user loadable
1666 # hop table if available or else decrement an existing one
1673 my $call = $self->{call};
1676 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1677 my ($pcno) = $s =~ /^PC(\d\d)/o;
1678 confess "$call called adjust_hops with '$s'" unless $pcno;
1679 my $ref = $nodehops{$call} if %nodehops;
1681 my $newhops = $ref->{$pcno};
1682 return "" if defined $newhops && $newhops == 0;
1683 $newhops = $ref->{default} unless $newhops;
1684 return "" if defined $newhops && $newhops == 0;
1685 $newhops = $hops if !$newhops;
1686 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1688 # simply decrement it
1690 return "" if !$hops;
1691 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1703 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1704 do "$main::data/hop_table.pl";
1710 # add a ping request to the ping queues
1713 my ($from, $to) = @_;
1714 my $ref = $pings{$to} || [];
1717 $r->{t} = [ gettimeofday ];
1718 route(undef, $to, pc51($to, $main::mycall, 1));
1725 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
1726 if ($tonode eq $main::mycall) {
1727 my $ref = DXUser->get_current($fromnode);
1728 my $cref = Route::Node::get($fromnode);
1729 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
1730 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
1731 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1732 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1733 my $oldpriv = $self->{priv};
1734 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1735 my @in = (DXCommandmode::run_cmd($self, $cmd));
1736 $self->{priv} = $oldpriv;
1737 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
1738 delete $self->{remotecmd};
1740 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
1743 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
1746 my $ref = DXUser->get_current($tonode);
1747 if ($ref && $ref->is_clx) {
1748 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
1750 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
1755 sub process_rcmd_reply
1757 my ($self, $tonode, $fromnode, $user, $line) = @_;
1758 if ($tonode eq $main::mycall) {
1759 my $s = $rcmds{$fromnode};
1761 my $dxchan = DXChannel->get($s->{call});
1762 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
1763 $ref->send($line) if $ref;
1764 delete $rcmds{$fromnode} if !$dxchan;
1766 # send unsolicited ones to the sysop
1767 my $dxchan = DXChannel->get($main::myalias);
1768 $dxchan->send($line) if $dxchan;
1771 my $ref = DXUser->get_current($tonode);
1772 if ($ref && $ref->is_clx) {
1773 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
1775 $self->route($tonode, pc35($fromnode, $tonode, $line));
1784 my $fromnode = shift;
1789 Log('rcmd', 'out', $fromnode, $line);
1790 if ($self->is_clx) {
1791 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
1793 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
1798 # add a rcmd request to the rcmd queues
1801 my ($self, $to, $cmd) = @_;
1804 $r->{call} = $self->{call};
1805 $r->{t} = $main::systime;
1809 my $ref = Route::Node::get($to);
1810 my $dxchan = $ref->dxchan;
1811 if ($dxchan && $dxchan->is_clx) {
1812 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1814 route(undef, $to, pc34($main::mycall, $to, $cmd));
1821 my $pc39flag = shift;
1822 my $call = $self->call;
1824 return if $self->{disconnecting}++;
1826 unless ($pc39flag && $pc39flag == 1) {
1827 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1830 # get rid of any PC16 and 19s
1831 eph_del_regex("^PC16\\^$call");
1832 eph_del_regex("^PC19\\^.*$call");
1835 my $node = Route::Node::get($call);
1838 @rout = $node->del($main::routeroot);
1841 # unbusy and stop and outgoing mail
1842 my $mref = DXMsg::get_busy($call);
1843 $mref->stop_msg($call) if $mref;
1845 # broadcast to all other nodes that all the nodes connected to via me are gone
1846 unless ($pc39flag && $pc39flag == 2) {
1847 $self->route_pc21(@rout) if @rout;
1850 # remove outstanding pings
1851 delete $pings{$call};
1853 # I was the last node visited
1854 $self->user->node($main::mycall);
1856 # send info to all logged in thingies
1857 $self->tell_login('logoutn');
1859 Log('DXProt', $call . " Disconnected");
1861 $self->SUPER::disconnect;
1866 # send a talk message to this thingy
1870 my ($self, $from, $to, $via, $line, $origin) = @_;
1872 $line =~ s/\^/\\5E/g; # remove any ^ characters
1873 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
1874 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
1877 # send it if it isn't the except list and isn't isolated and still has a hop count
1878 # taking into account filtering and so on
1882 my $generate = shift;
1883 my $no = shift; # the no of things to filter on
1885 my ($filter, $hops);
1888 for (; @_ && $no; $no--) {
1891 if (!$self->{isolate} && $self->{routefilter}) {
1894 ($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});
1898 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
1901 dbg("was sent a null value") if isdbg('chanerr');
1904 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
1908 foreach my $line (&$generate(@rin, @_)) {
1911 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1913 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1914 next unless $routeit;
1916 $self->send($routeit);
1924 my $generate = shift;
1925 my @dxchan = DXChannel::get_all_nodes();
1929 unless ($self->{isolate}) {
1930 foreach $dxchan (@dxchan) {
1931 next if $dxchan == $self;
1932 next if $dxchan == $main::me;
1933 next if $dxchan->user->wantnp;
1934 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
1936 $dxchan->send_route($generate, @_);
1944 return unless $self->user->wantpc16;
1945 broadcast_route($self, \&pc16, 1, @_);
1951 return unless $self->user->wantpc16;
1952 broadcast_route($self, \&pc17, 1, @_);
1958 broadcast_route($self, \&pc19, scalar @_, @_);
1964 broadcast_route($self, \&pc21, scalar @_, @_);
1970 broadcast_route($self, \&pc24, 1, @_);
1976 broadcast_route($self, \&pc41, 1, @_);
1982 broadcast_route($self, \&pc50, 1, @_);
1988 broadcast_route($self, \&pc90, 1, @_);
1995 my ($filter, $hops) = (1, 1);
1997 if ($self->{inroutefilter}) {
1998 ($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);
1999 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2007 my $t = shift || $eph_restime;
2011 $s =~ s/\^H\d\d?\^?\~?$//;
2012 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2013 $eph{$s} = $main::systime + $t;
2021 while (($key, $val) = each %eph) {
2022 if ($key =~ m{$regex}) {
2032 while (($key, $val) = each %eph) {
2033 if ($main::systime >= $val) {
2044 while (($key, $val) = each %eph) {
2045 push @out, $key, $val;
2052 goto &DXCommandmode::run_cmd;