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 $pingint $obscount %pc19list $chatdupeage
48 %nodehops $baddx $badspotter $badnode $censorpc $rspfcheck
49 $allowzero $decode_dk0wcy $send_opernam @checklist);
51 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
52 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
54 $last_hour = time; # last time I did an hourly periodic update
55 %pings = (); # outstanding ping requests outbound
56 %rcmds = (); # outstanding rcmd requests outbound
57 %nodehops = (); # node specific hop control
58 %pc19list = (); # list of outstanding PC19s that haven't had PC16s on them
60 $censorpc = 1; # Do a BadWords::check on text fields and reject things
61 # loads of 'bad things'
62 $baddx = new DXHash "baddx";
63 $badspotter = new DXHash "badspotter";
64 $badnode = new DXHash "badnode";
65 $last10 = $last_pc50 = time;
69 $eph_info_restime = 60*60;
70 $eph_pc34_restime = 30;
73 $chatdupeage = 20 * 60 * 60;
77 [ qw(i c c m bp bc c) ], # pc10
78 [ qw(i f m d t m c c h) ], # pc11
79 [ qw(i c bm m bm bm p h) ], # pc12
83 undef , # pc16 has to be validated manually
84 [ qw(i c c h) ], # pc17
86 undef , # pc19 has to be validated manually
87 undef , # pc20 no validation
88 [ qw(i c m h) ], # pc21
89 undef , # pc22 no validation
90 [ qw(i d n n n n m c c h) ], # pc23
91 [ qw(i c p h) ], # pc24
92 [ qw(i c c n n) ], # pc25
93 [ qw(i f m d t m c c bc) ], # pc26
94 [ qw(i d n n n n m c c bc) ], # pc27
95 [ qw(i c c m c d t p m bp n p bp bc) ], # pc28
96 [ qw(i c c n m) ], # pc29
97 [ qw(i c c n) ], # pc30
98 [ qw(i c c n) ], # pc31
99 [ qw(i c c n) ], # pc32
100 [ qw(i c c n) ], # pc33
101 [ qw(i c c m) ], # pc34
102 [ qw(i c c m) ], # pc35
103 [ qw(i c c m) ], # pc36
104 [ qw(i c c n m) ], # pc37
105 undef, # pc38 not interested
106 [ qw(i c m) ], # pc39
107 [ qw(i c c m p n) ], # pc40
108 [ qw(i c n m h) ], # pc41
109 [ qw(i c c n) ], # pc42
110 undef, # pc43 don't handle it
111 [ qw(i c c n m m c) ], # pc44
112 [ qw(i c c n m) ], # pc45
113 [ qw(i c c n) ], # pc46
116 [ qw(i c m h) ], # pc49
117 [ qw(i c n h) ], # pc50
118 [ qw(i c c n) ], # pc51
140 [ qw(i d n n n n n n m m m c c h) ], # pc73
151 [ qw(i c c c m) ], # pc84
152 [ qw(i c c c m) ], # pc85
157 [ qw(i c n) ], # pc90
160 # use the entry in the check list to check the field list presented
161 # return OK if line NOT in check list (for now)
166 return 0 if $n < 0 || $n > @checklist;
167 my $ref = $checklist[$n];
168 return 0 unless ref $ref;
171 for ($i = 1; $i < @$ref; $i++) {
172 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
173 return 0 unless $act;
174 next if $blank && $_[$i] =~ /^[ \*]$/;
176 return $i unless is_callsign($_[$i]);
177 } elsif ($act eq 'i') {
179 } elsif ($act eq 'm') {
180 return $i unless is_pctext($_[$i]);
181 } elsif ($act eq 'p') {
182 return $i unless is_pcflag($_[$i]);
183 } elsif ($act eq 'f') {
184 return $i unless is_freq($_[$i]);
185 } elsif ($act eq 'n') {
186 return $i unless $_[$i] =~ /^[\d ]+$/;
187 } elsif ($act eq 'h') {
188 return $i unless $_[$i] =~ /^H\d\d?$/;
189 } elsif ($act eq 'd') {
190 return $i unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
191 } elsif ($act eq 't') {
192 return $i unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
200 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
205 # obtain a new connection this is derived from dxchannel
210 my $self = DXChannel::alloc(@_);
212 # add this node to the table, the values get filled in later
215 $main::routeroot->add($call, '5000', Route::here(1)) if $call ne $main::mycall;
220 # this is how a pc connection starts (for an incoming connection)
221 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
222 # all the crap that comes between).
225 my ($self, $line, $sort) = @_;
226 my $call = $self->{call};
227 my $user = $self->{user};
230 my $host = $self->{conn}->{peerhost} || "unknown";
231 Log('DXProt', "$call connected from $host");
233 # remember type of connection
234 $self->{consort} = $line;
235 $self->{outbound} = $sort eq 'O';
236 my $priv = $user->priv;
237 $priv = $user->priv(1) unless $priv;
238 $self->{priv} = $priv; # other clusters can always be 'normal' users
239 $self->{lang} = $user->lang || 'en';
240 $self->{isolate} = $user->{isolate};
241 $self->{consort} = $line; # save the connection type
245 # sort out registration
246 $self->{registered} = 1;
248 # get the output filters
249 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
250 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
251 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
252 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
253 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) unless $self->{isolate} ;
256 # get the INPUT filters (these only pertain to Clusters)
257 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
258 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
259 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
260 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
261 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1) unless $self->{isolate};
263 # set unbuffered and no echo
264 $self->send_now('B',"0");
265 $self->send_now('E',"0");
266 $self->conn->echo(0) if $self->conn->can('echo');
268 # ping neighbour node stuff
269 my $ping = $user->pingint;
270 $ping = $pingint unless defined $ping;
271 $self->{pingint} = $ping;
272 $self->{nopings} = $user->nopings || $obscount;
273 $self->{pingtime} = [ ];
274 $self->{pingave} = 999;
275 $self->{metric} ||= 100;
276 $self->{lastping} = $main::systime;
278 # send initialisation string
279 unless ($self->{outbound}) {
283 $self->state('init');
284 $self->{pc50_t} = $main::systime;
286 # send info to all logged in thingies
287 $self->tell_login('loginn');
289 # run a script send the output to the debug file
290 my $script = new Script(lc $call) || new Script('node_default');
291 $script->run($self) if $script;
295 # send outgoing 'challenge'
306 $_[0] =~ s/^PC90\^[-A-Z0-9]+\^\d+\^//;
311 $_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
319 if ($self->user->wantpc90) {
320 $line = mungepc90($line);
325 $self->SUPER::send($line);
330 # This is the normal pcxx despatcher
334 my ($self, $line) = @_;
335 my @field = split /\^/, $line;
336 return unless @field;
338 pop @field if $field[-1] eq '~';
340 # print join(',', @field), "\n";
343 # process PC frames, this will fail unless the frame starts PCnn
344 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
345 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
346 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
350 # check for and dump bad protocol messages
351 my $n = check($pcno, @field);
353 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
357 my $origin = $self->{call};
360 my $sub = "handle_$pcno";
362 if ($self->can($sub)) {
363 $self->$sub($pcno, $line, $origin, @field);
365 $self->handle_default($pcno, $line, $origin, @field);
369 # incoming talk commands
378 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
380 # will we allow it at all?
383 if (@bad = BadWords::check($_[3])) {
384 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
389 # is it for me or one of mine?
390 my ($from, $to, $via, $call, $dxchan);
399 # if this is a 'nodx' node then ignore it
400 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
401 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
405 # if this is a 'bad spotter' user then ignore it
407 $nossid =~ s/-\d+$//;
408 if ($badspotter->in($nossid)) {
409 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
413 # if we are converting announces to talk is it a dup?
415 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
416 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
421 # it is here and logged on
422 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
423 $dxchan = DXChannel->get($to) unless $dxchan;
424 if ($dxchan && $dxchan->is_user) {
426 $dxchan->talk($from, $to, $via, $_[3]);
430 # is it elsewhere, visible on the cluster via the to address?
431 # note: this discards the via unless the to address is on
434 if ($ref = Route::get($to)) {
435 $vref = Route::Node::get($via) if $via;
436 $vref = undef unless $vref && grep $to eq $_, $vref->users;
437 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
441 # not visible here, send a message of condolence
443 $ref = Route::get($from);
444 $vref = $ref = Route::Node::get($_[6]) unless $ref;
446 $dxchan = $ref->dxchan;
447 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
459 # route 'foreign' pc26s
461 if ($_[7] ne $main::mycall) {
462 $self->route($_[7], $line);
468 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
470 # if this is a 'nodx' node then ignore it
471 if ($badnode->in($_[7])) {
472 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
476 # if this is a 'bad spotter' user then ignore it
478 $nossid =~ s/-\d+$//;
479 if ($badspotter->in($nossid)) {
480 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
484 # convert the date to a unix date
485 my $d = cltounix($_[3], $_[4]);
486 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
487 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
488 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
493 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
494 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
499 $_[5] =~ s/^\s+//; # take any leading blanks off
500 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
501 if ($_[2] =~ /BUST\w*$/) {
502 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
507 if (@bad = BadWords::check($_[5])) {
508 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
514 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
515 # global spot filtering on INPUT
516 if ($self->{inspotsfilter}) {
517 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
519 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
524 # this goes after the input filtering, but before the add
525 # so that if it is input filtered, it isn't added to the dup
526 # list. This allows it to come in from a "legitimate" source
527 if (Spot::dup($_[1], $_[2], $d, $_[5], $_[6])) {
528 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
536 # @spot at this point contains:-
537 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
538 # then spotted itu, spotted cq, spotters itu, spotters cq
539 # you should be able to route on any of these
542 # fix up qra locators of known users
543 my $user = DXUser->get_current($spot[4]);
545 my $qra = $user->qra;
546 unless ($qra && is_qra($qra)) {
547 my $lat = $user->lat;
548 my $long = $user->long;
549 if (defined $lat && defined $long) {
550 $user->qra(DXBearing::lltoqra($lat, $long));
555 # send a remote command to a distant cluster if it is visible and there is no
556 # qra locator and we havn't done it for a month.
558 unless ($user->qra) {
560 my $to = $user->homenode;
561 my $last = $user->lastoper || 0;
562 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
563 my $cmd = "forward/opernam $spot[4]";
564 # send the rcmd but we aren't interested in the replies...
565 my $dxchan = $node->dxchan;
566 if ($dxchan && $dxchan->is_clx) {
567 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
569 route(undef, $to, pc34($main::mycall, $to, $cmd));
573 $node = Route::Node::get($to);
575 $dxchan = $node->dxchan;
576 if ($dxchan && $dxchan->is_clx) {
577 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
579 route(undef, $to, pc34($main::mycall, $to, $cmd));
583 $user->lastoper($main::systime);
592 $r = Local::spot($self, @spot);
594 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
597 # DON'T be silly and send on PC26s!
598 return if $pcno == 26;
600 # send out the filtered spots
601 send_dx_spot($self, $line, @spot) if @spot;
612 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
614 # announce duplicate checking
615 $_[3] =~ s/^\s+//; # remove leading blanks
619 if (@bad = BadWords::check($_[3])) {
620 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
625 # if this is a 'nodx' node then ignore it
626 if ($badnode->in($_[5])) {
627 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
631 # if this is a 'bad spotter' user then ignore it
633 $nossid =~ s/-\d+$//;
634 if ($badspotter->in($nossid)) {
635 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
641 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
642 $self->send_chat($line, @_[1..6]);
643 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
645 # ignore something that looks like a chat line coming in with sysop
646 # flag - this is a kludge...
647 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
648 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
652 # here's a bit of fun, convert incoming ann with a callsign in the first word
653 # or one saying 'to <call>' to a talk if we can route to the recipient
655 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
657 my $ref = Route::get($call);
659 $dxchan = $ref->dxchan;
660 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
667 $self->send_announce($line, @_[1..6]);
669 $self->route($_[2], $line);
681 if (eph_dup($line)) {
682 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
689 my $newline = "PC16^";
691 # do I want users from this channel?
692 unless ($self->user->wantpc16) {
693 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
697 if ($ncall eq $main::mycall) {
698 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
701 my $parent = Route::Node::get($ncall);
703 # if there is a parent, proceed, otherwise if there is a latent PC19 in the PC19list,
704 # fix it up in the routing tables and issue it forth before the PC16
706 my $nl = $pc19list{$ncall};
708 if ($nl && @_ > 3) { # 3 because of the hop count!
710 # this is a new (remembered) node, now attach it to me if it isn't in filtered
711 # and we haven't disallowed it
712 my $user = DXUser->get_current($ncall);
714 $user = DXUser->new($ncall);
716 $user->priv(1); # I have relented and defaulted nodes
718 $user->homenode($ncall);
722 my $wantpc19 = $user->wantroutepc19;
723 if ($wantpc19 || !defined $wantpc19) {
724 my $new = Route->new($ncall); # throw away
725 if ($self->in_filter_route($new)) {
728 $parent = Route::Node::get($_->[0]);
729 $dxchan = $parent->dxchan if $parent;
730 if ($dxchan && $dxchan ne $self) {
731 dbg("PCPROT: PC19 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
735 my $r = $parent->add($ncall, $_->[1], $_->[2]);
736 push @nrout, $r unless @nrout;
739 $user->wantroutepc19(1) unless defined $wantpc19; # for now we work on the basis that pc16 = real route
740 $user->lastin($main::systime) unless DXChannel->get($ncall);
743 # route the pc19 - this will cause 'stuttering PC19s' for a while
744 $self->route_pc19($origin, $line, @nrout) if @nrout ;
745 $parent = Route::Node::get($ncall);
747 dbg("PCPROT: lost $ncall after sending PC19 for it?");
753 delete $pc19list{$ncall};
756 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
761 $dxchan = $parent->dxchan;
762 if ($dxchan && $dxchan ne $self) {
763 dbg("PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
767 # input filter if required
768 return unless $self->in_filter_route($parent);
773 for ($i = 2; $i < $#_; $i++) {
774 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
775 next unless $call && $conf && defined $here && is_callsign($call);
776 next if $call eq $main::mycall;
778 eph_del_regex("^PC17\\^$call\\^$ncall");
780 $conf = $conf eq '*';
782 # reject this if we think it is a node already
783 my $r = Route::Node::get($call);
784 my $u = DXUser->get_current($call) unless $r;
785 if ($r || ($u && $u->is_node)) {
786 dbg("PCPROT: $call is a node") if isdbg('chanerr');
790 $r = Route::User::get($call);
791 my $flags = Route::here($here)|Route::conf($conf);
794 my $au = $r->addparent($parent);
795 if ($r->flags != $flags) {
799 push @rout, $r if $au;
801 push @rout, $parent->add_user($call, $flags);
805 # add this station to the user database, if required
806 $call =~ s/-\d+$//o; # remove ssid for users
807 my $user = DXUser->get_current($call);
808 $user = DXUser->new($call) if !$user;
809 $user->homenode($parent->call) if !$user->homenode;
810 $user->node($parent->call);
811 $user->lastin($main::systime) unless DXChannel->get($call);
814 $self->route_pc16($origin, $line, $parent, @rout) if @rout;
828 eph_del_regex("^PC16\\^$ncall.*$ucall");
830 # do I want users from this channel?
831 unless ($self->user->wantpc16) {
832 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
835 if ($ncall eq $main::mycall) {
836 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
840 my $uref = Route::User::get($ucall);
842 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
845 my $parent = Route::Node::get($ncall);
847 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
851 $dxchan = $parent->dxchan;
852 if ($dxchan && $dxchan ne $self) {
853 dbg("PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!") if isdbg('chanerr');
857 # input filter if required
858 return unless $self->in_filter_route($parent);
860 $parent->del_user($uref);
862 if (eph_dup($line)) {
863 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
867 $self->route_pc17($origin, $line, $parent, $uref);
877 $self->state('init');
879 # record the type and version offered
880 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
881 $self->version(53 + $1);
882 $self->user->version(53 + $1);
883 $self->build(0 + $2);
884 $self->user->build(0 + $2);
885 unless ($self->is_spider) {
886 $self->user->sort('S');
891 $self->version(50.0);
892 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
893 $self->user->version($self->version);
896 # first clear out any nodes on this dxchannel
897 my $parent = Route::Node::get($self->{call});
898 my @rout = $parent->del_nodes;
899 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
900 $self->send_local_config();
904 # incoming cluster list
913 my $newline = "PC19^";
915 if (eph_dup($line)) {
916 dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
923 # first get the INTERFACE node
924 my $parent = Route::Node::get($self->{call});
926 dbg("DXPROT: my parent $self->{call} has disappeared");
931 # if the origin isn't the same as the INTERFACE, then reparent, creating nodes as necessary
932 if ($origin ne $self->call) {
933 my $op = Route::Node::get($origin);
935 $op = $parent->add($origin, 5000, Route::here(1));
936 my $user = DXUser->get_current($origin);
938 $user = DXUser->new($origin);
940 $user->priv(1); # I have relented and defaulted nodes
942 $user->homenode($origin);
943 $user->node($origin);
944 $user->wantroutepc19(1);
953 for ($i = 1; $i < $#_-1; $i += 4) {
955 my $call = uc $_[$i+1];
958 next unless defined $here && defined $conf && is_callsign($call);
960 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
962 # check for sane parameters
963 # $ver = 5000 if $ver eq '0000';
964 next if $ver < 5000; # only works with version 5 software
965 next if length $call < 3; # min 3 letter callsigns
966 next if $call eq $main::mycall;
968 # check that this PC19 isn't trying to alter the wrong dxchan
969 my $dxchan = DXChannel->get($call);
970 if ($dxchan && $dxchan != $self) {
971 dbg("PCPROT: PC19 from $self->{call} trying to alter wrong locally connected $call, ignored!") if isdbg('chanerr');
975 # add this station to the user database, if required (don't remove SSID from nodes)
976 my $user = DXUser->get_current($call);
978 $user = DXUser->new($call);
980 $user->priv(1); # I have relented and defaulted nodes
982 $user->homenode($call);
986 my $r = Route::Node::get($call);
987 my $flags = Route::here($here)|Route::conf($conf);
989 # modify the routing table if it is in it, otherwise store it in the pc19list for now
992 if ($call ne $parent->call) {
993 if ($self->in_filter_route($r)) {
994 $ar = $parent->add($call, $ver, $flags);
995 push @rout, $ar if $ar;
1000 if ($r->version ne $ver || $r->flags != $flags) {
1003 push @rout, $r unless $ar;
1007 # if he is directly connected or allowed then add him, otherwise store him up for later
1008 if ($call eq $self->{call} || $user->wantroutepc19) {
1009 my $new = Route->new($call); # throw away
1010 if ($self->in_filter_route($new)) {
1011 my $ar = $parent->add($call, $ver, $flags);
1012 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
1013 push @rout, $ar if $ar;
1018 $pc19list{$call} = [] unless exists $pc19list{$call};
1019 my $nl = $pc19list{$call};
1020 push @{$pc19list{$call}}, [$self->{call}, $ver, $flags] unless grep $_->[0] eq $self->{call}, @$nl;
1024 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
1025 my $mref = DXMsg::get_busy($call);
1026 $mref->stop_msg($call) if $mref;
1028 $user->lastin($main::systime) unless DXChannel->get($call);
1033 $self->route_pc19($origin, $line, @rout) if @rout;
1036 # send local configuration
1043 $self->send_local_config();
1044 $self->send(pc22());
1045 $self->state('normal');
1046 $self->{lastping} = 0;
1049 # delete a cluster from the list
1056 my $call = uc $_[1];
1058 eph_del_regex("^PC1[679].*$call");
1060 # if I get a PC21 from the same callsign as self then treat it
1061 # as a PC39: I have gone away
1062 if ($call eq $self->call) {
1063 $self->disconnect(1);
1067 # check to see if we are in the pc19list, if we are then don't bother with any of
1068 # this routing table manipulation, just remove it from the list and dump it
1070 if (my $nl = $pc19list{$call}) {
1071 $pc19list{$call} = [ grep {$_->[0] ne $self->{call}} @$nl ];
1072 delete $pc19list{$call} unless @{$pc19list{$call}};
1075 my $parent = Route::Node::get($self->{call});
1077 dbg("DXPROT: my parent $self->{call} has disappeared");
1081 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
1082 my $node = Route::Node::get($call);
1085 my $dxchan = DXChannel->get($call);
1086 if ($dxchan && $dxchan != $self) {
1087 dbg("PCPROT: PC21 from $self->{call} trying to alter locally connected $call, ignored!") if isdbg('chanerr');
1092 return unless $self->in_filter_route($node);
1095 push @rout, $node->del($parent);
1098 dbg("PCPROT: I WILL _NOT_ be disconnected!") if isdbg('chanerr');
1103 $self->route_pc21($origin, $line, @rout) if @rout;
1113 $self->state('normal');
1114 $self->{lastping} = 0;
1125 # route foreign' pc27s
1127 if ($_[8] ne $main::mycall) {
1128 $self->route($_[8], $line);
1133 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7]);
1136 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1137 my $sfi = unpad($_[3]);
1138 my $k = unpad($_[4]);
1139 my $i = unpad($_[5]);
1140 my ($r) = $_[6] =~ /R=(\d+)/;
1142 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1143 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1146 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1147 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1150 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1152 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1156 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1158 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1161 # DON'T be silly and send on PC27s!
1162 return if $pcno == 27;
1164 # broadcast to the eager world
1165 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1175 my $call = uc $_[1];
1177 $nref = Route::Node::get($call);
1178 $uref = Route::User::get($call);
1179 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1181 if (eph_dup($line)) {
1182 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1186 $nref->here($_[2]) if $nref;
1187 $uref->here($_[2]) if $uref;
1188 my $ref = $nref || $uref;
1189 return unless $self->in_filter_route($ref);
1191 $self->route_pc24($origin, $line, $ref, $_[3]);
1201 if ($_[1] ne $main::mycall) {
1202 $self->route($_[1], $line);
1205 if ($_[2] eq $main::mycall) {
1206 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1210 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1214 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1217 $self->send(pc26(@{$in}[0..4], $_[2]));
1223 my @in = reverse Geomag::search(0, $_[4], time, 1);
1226 $self->send(pc27(@{$in}[0..5], $_[2]));
1231 sub handle_26 {goto &handle_11}
1232 sub handle_27 {goto &handle_23}
1234 # mail/file handling
1241 if ($_[1] eq $main::mycall) {
1243 my $sub = "DXMsg::handle_$pcno";
1246 $self->route($_[1], $line) unless $self->is_clx;
1250 sub handle_29 {goto &handle_28}
1251 sub handle_30 {goto &handle_28}
1252 sub handle_31 {goto &handle_28}
1253 sub handle_32 {goto &handle_28}
1254 sub handle_33 {goto &handle_28}
1262 if (eph_dup($line, $eph_pc34_restime)) {
1263 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1265 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1269 # remote command replies
1276 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1277 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1280 sub handle_36 {goto &handle_34}
1289 if ($_[1] eq $main::mycall) {
1291 my $sub = "DXDb::handle_$pcno";
1294 $self->route($_[1], $line) unless $self->is_clx;
1298 # node connected list from neighbour
1307 # incoming disconnect
1314 if ($_[1] eq $self->{call}) {
1315 $self->disconnect(1);
1317 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1321 sub handle_40 {goto &handle_28}
1333 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1334 if (eph_dup($l, $eph_info_restime)) {
1335 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1339 # input filter if required
1340 # my $ref = Route::get($call) || Route->new($call);
1341 # return unless $self->in_filter_route($ref);
1343 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1344 dbg('PCPROT: invalid value') if isdbg('chanerr');
1348 # add this station to the user database, if required
1349 my $user = DXUser->get_current($call);
1350 $user = DXUser->new($call) unless $user;
1354 } elsif ($_[2] == 2) {
1356 } elsif ($_[2] == 3) {
1357 if (is_latlong($_[3])) {
1358 my ($lat, $long) = DXBearing::stoll($_[3]);
1361 $user->qra(DXBearing::lltoqra($lat, $long));
1363 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1366 } elsif ($_[2] == 4) {
1367 $user->homenode($_[3]);
1368 } elsif ($_[2] == 5) {
1369 if (is_qra(uc $_[3])) {
1370 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1373 $user->qra(uc $_[3]);
1375 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1379 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1382 unless ($self->{isolate}) {
1383 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1386 # perhaps this IS what we want after all
1387 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1390 sub handle_42 {goto &handle_28}
1394 sub handle_44 {goto &handle_37}
1395 sub handle_45 {goto &handle_37}
1396 sub handle_46 {goto &handle_37}
1397 sub handle_47 {goto &handle_37}
1398 sub handle_48 {goto &handle_37}
1400 # message and database
1408 if (eph_dup($line)) {
1409 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1413 if ($_[1] eq $main::mycall) {
1414 DXMsg::handle_49($self, @_);
1416 $self->route($_[1], $line) unless $self->is_clx;
1420 # keep alive/user list
1429 my $node = Route::Node::get($call);
1431 return unless $node->call eq $self->{call};
1432 $node->usercount($_[2]);
1434 # input filter if required
1435 return unless $self->in_filter_route($node);
1437 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1441 # incoming ping requests/answers
1454 if ($to eq $main::mycall) {
1456 $self->send(pc51($from, $to, '0'));
1458 # it's a reply, look in the ping list for this one
1459 my $ref = $pings{$from};
1461 my $tochan = DXChannel->get($from);
1463 my $r = shift @$ref;
1464 my $dxchan = DXChannel->get($r->{call});
1465 next unless $dxchan;
1466 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1467 if ($dxchan->is_user) {
1468 my $s = sprintf "%.2f", $t;
1469 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1470 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1471 } elsif ($dxchan->is_node) {
1473 my $nopings = $tochan->user->nopings || $obscount;
1474 push @{$tochan->{pingtime}}, $t;
1475 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1477 # cope with a missed ping, this means you must set the pingint large enough
1478 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1479 $t -= $tochan->{pingint};
1482 # calc smoothed RTT a la TCP
1483 if (@{$tochan->{pingtime}} == 1) {
1484 $tochan->{pingave} = $t;
1486 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1488 $tochan->{nopings} = $nopings; # pump up the timer
1495 if ($line !~ /^PC90/ && eph_dup($line)) {
1496 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1499 # route down an appropriate thingy
1500 $self->route($to, $line);
1504 # dunno but route it
1512 if ($call ne $main::mycall) {
1513 $self->route($call, $line);
1527 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1528 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1529 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1532 @_ = map { unpad($_) } @_;
1534 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1538 my $wcy = WCY::update($d, @_[2..12]);
1542 $rep = Local::wcy($self, @_[1..12]);
1544 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1547 # broadcast to the eager world
1548 send_wcy_spot($self, $line, $d, @_[2..12]);
1551 # remote commands (incoming)
1558 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1561 # remote command replies
1568 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1571 # if get here then rebroadcast the thing with its Hop count decremented (if
1572 # there is one). If it has a hop count and it decrements to zero then don't
1575 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1586 if (eph_dup($line)) {
1587 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1589 unless ($self->{isolate}) {
1590 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1596 # This is called from inside the main cluster processing loop and is used
1597 # for despatching commands that are doing some long processing job
1602 my @dxchan = DXChannel->get_all();
1606 # send out a pc50 on EVERY channel all at once
1607 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1608 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1613 foreach $dxchan (@dxchan) {
1614 next unless $dxchan->is_node();
1615 next if $dxchan == $main::me;
1618 $dxchan->send($pc50s) if $pc50s;
1620 # send a ping out on this channel
1621 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1622 if ($dxchan->{nopings} <= 0) {
1623 $dxchan->disconnect;
1625 addping($main::mycall, $dxchan->call);
1626 $dxchan->{nopings} -= 1;
1627 $dxchan->{lastping} = $t;
1633 if ($t - $last10 >= 10) {
1634 # clean out ephemera
1641 if ($main::systime - 3600 > $last_hour) {
1642 $last_hour = $main::systime;
1647 # finish up a pc context
1651 # some active measures
1659 my @dxchan = DXChannel->get_all();
1662 # send it if it isn't the except list and isn't isolated and still has a hop count
1663 # taking into account filtering and so on
1664 foreach $dxchan (@dxchan) {
1665 next if $dxchan == $main::me;
1666 next if $dxchan == $self && $self->is_node;
1667 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1675 my $isolate = shift;
1676 my ($filter, $hops);
1678 if ($self->{spotsfilter}) {
1679 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1680 return unless $filter;
1682 send_prot_line($self, $filter, $hops, $isolate, $line);
1687 my ($self, $filter, $hops, $isolate, $line) = @_;
1693 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1695 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1696 return unless $routeit;
1699 $self->send($routeit);
1701 $self->send($routeit) unless $self->{isolate} || $isolate;
1710 my @dxchan = DXChannel->get_all();
1712 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1713 my @dxcc = Prefix::extract($_[6]);
1715 $wwv_dxcc = $dxcc[1]->dxcc;
1716 $wwv_itu = $dxcc[1]->itu;
1717 $wwv_cq = $dxcc[1]->cq;
1719 @dxcc = Prefix::extract($_[7]);
1721 $org_dxcc = $dxcc[1]->dxcc;
1722 $org_itu = $dxcc[1]->itu;
1723 $org_cq = $dxcc[1]->cq;
1726 # send it if it isn't the except list and isn't isolated and still has a hop count
1727 # taking into account filtering and so on
1728 foreach $dxchan (@dxchan) {
1729 next if $dxchan == $main::me;
1730 next if $dxchan == $self && $self->is_node;
1732 my ($filter, $hops);
1734 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1742 my $isolate = shift;
1743 my ($filter, $hops);
1745 if ($self->{wwvfilter}) {
1746 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1747 return unless $filter;
1749 send_prot_line($self, $filter, $hops, $isolate, $line)
1756 my @dxchan = DXChannel->get_all();
1758 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1759 my @dxcc = Prefix::extract($_[10]);
1761 $wcy_dxcc = $dxcc[1]->dxcc;
1762 $wcy_itu = $dxcc[1]->itu;
1763 $wcy_cq = $dxcc[1]->cq;
1765 @dxcc = Prefix::extract($_[11]);
1767 $org_dxcc = $dxcc[1]->dxcc;
1768 $org_itu = $dxcc[1]->itu;
1769 $org_cq = $dxcc[1]->cq;
1772 # send it if it isn't the except list and isn't isolated and still has a hop count
1773 # taking into account filtering and so on
1774 foreach $dxchan (@dxchan) {
1775 next if $dxchan == $main::me;
1776 next if $dxchan == $self;
1778 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1786 my $isolate = shift;
1787 my ($filter, $hops);
1789 if ($self->{wcyfilter}) {
1790 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1791 return unless $filter;
1793 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1801 my @dxchan = DXChannel->get_all();
1805 my $text = unpad($_[2]);
1807 if ($_[3] eq '*') { # sysops
1809 } elsif ($_[3] gt ' ') { # speciality list handling
1810 my ($name) = split /\./, $_[3];
1811 $target = "$name"; # put the rest in later (if bothered)
1818 $target = "ALL" if !$target;
1821 # obtain country codes etc
1822 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1823 my ($ann_state, $org_state) = ("", "");
1824 my @dxcc = Prefix::extract($_[0]);
1826 $ann_dxcc = $dxcc[1]->dxcc;
1827 $ann_itu = $dxcc[1]->itu;
1828 $ann_cq = $dxcc[1]->cq;
1829 $ann_state = $dxcc[1]->state;
1831 @dxcc = Prefix::extract($_[4]);
1833 $org_dxcc = $dxcc[1]->dxcc;
1834 $org_itu = $dxcc[1]->itu;
1835 $org_cq = $dxcc[1]->cq;
1836 $org_state = $dxcc[1]->state;
1839 if ($self->{inannfilter}) {
1840 my ($filter, $hops) =
1841 $self->{inannfilter}->it(@_, $self->{call},
1842 $ann_dxcc, $ann_itu, $ann_cq,
1843 $org_dxcc, $org_itu, $org_cq, $ann_state, $org_state);
1845 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1850 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1851 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1855 Log('ann', $target, $_[0], $text);
1857 # send it if it isn't the except list and isn't isolated and still has a hop count
1858 # taking into account filtering and so on
1859 foreach $dxchan (@dxchan) {
1860 next if $dxchan == $main::me;
1861 next if $dxchan == $self && $self->is_node;
1862 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1871 $msgid = 1 if $msgid > 999;
1880 my @dxchan = DXChannel->get_all();
1883 my $text = unpad($_[2]);
1886 # munge the group and recast the line if required
1887 if ($target =~ s/\.LST$//) {
1891 # obtain country codes etc
1892 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1893 my ($ann_state, $org_state) = ("", "");
1894 my @dxcc = Prefix::extract($_[0]);
1896 $ann_dxcc = $dxcc[1]->dxcc;
1897 $ann_itu = $dxcc[1]->itu;
1898 $ann_cq = $dxcc[1]->cq;
1899 $ann_state = $dxcc[1]->state;
1901 @dxcc = Prefix::extract($_[4]);
1903 $org_dxcc = $dxcc[1]->dxcc;
1904 $org_itu = $dxcc[1]->itu;
1905 $org_cq = $dxcc[1]->cq;
1906 $org_state = $dxcc[1]->state;
1909 if ($self->{inannfilter}) {
1910 my ($filter, $hops) =
1911 $self->{inannfilter}->it(@_, $self->{call},
1912 $ann_dxcc, $ann_itu, $ann_cq,
1913 $org_dxcc, $org_itu, $org_cq, $ann_state, $org_state);
1915 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1920 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1921 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1926 Log('chat', $target, $_[0], $text);
1928 # send it if it isn't the except list and isn't isolated and still has a hop count
1929 # taking into account filtering and so on
1930 foreach $dxchan (@dxchan) {
1931 my $is_ak1a = $dxchan->is_ak1a;
1933 if ($dxchan->is_node) {
1934 next if $dxchan == $main::me;
1935 next if $dxchan == $self;
1936 next unless $dxchan->is_spider || $is_ak1a;
1937 next if $target eq 'LOCAL';
1938 if (!$ak1a_line && $is_ak1a) {
1939 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1943 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1], $text, @_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1951 my $isolate = shift;
1955 my ($filter, $hops);
1957 if ($self->{annfilter}) {
1958 ($filter, $hops) = $self->{annfilter}->it(@_);
1959 return unless $filter;
1961 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1970 sub send_local_config
1978 dbg('DXProt::send_local_config') if isdbg('trace');
1981 if ($self->{isolate}) {
1982 @localnodes = ( $main::routeroot );
1983 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
1985 # create a list of all the nodes that are not connected to this connection
1986 # and are not themselves isolated, this to make sure that isolated nodes
1987 # don't appear outside of this node
1989 # send locally connected nodes
1990 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1991 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1992 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
1995 if ($self->user->wantpc90) {
1996 for $node (@localnodes) {
1997 my @nodes = map {my $r = Route::Node::get($_); $r ? $r : ()} $node->nodes;
1998 $self->send_route($node->call, \&pc19, scalar(@nodes)+1, @nodes);
1999 for my $r (@nodes) {
2000 push @remotenodes, $r unless grep $r eq $_, @remotenodes;
2004 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
2006 for $node (@rawintcalls) {
2007 push @intcalls, $node unless grep $node eq $_, @intcalls;
2009 my $ref = Route::Node::get($self->{call});
2010 my @rnodes = $ref->nodes;
2011 for $node (@intcalls) {
2012 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
2014 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
2020 # get all the users connected on the above nodes and send them out
2021 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
2023 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
2024 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
2026 dbg("sent a null value") if isdbg('chanerr');
2032 # route a message down an appropriate interface for a callsign
2034 # is called route(to, pcline);
2038 my ($self, $call, $line) = @_;
2040 if (ref $self && $call eq $self->{call}) {
2041 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2045 # always send it down the local interface if available
2046 my $dxchan = DXChannel->get($call);
2048 my $cl = Route::get($call);
2049 $dxchan = $cl->dxchan if $cl;
2051 if (ref $self && $dxchan eq $self) {
2052 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2058 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2060 $dxchan->send($routeit) unless $dxchan == $main::me;
2063 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2068 # obtain the hops from the list for this callsign and pc no
2074 my $hops = $DXProt::hopcount{$pcno};
2075 $hops = $DXProt::def_hopcount if !$hops;
2080 # adjust the hop count on a per node basis using the user loadable
2081 # hop table if available or else decrement an existing one
2088 my $call = $self->{call};
2091 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2092 my ($pcno) = $s =~ /^PC(\d\d)/o;
2093 confess "$call called adjust_hops with '$s'" unless $pcno;
2094 my $ref = $nodehops{$call} if %nodehops;
2096 my $newhops = $ref->{$pcno};
2097 return "" if defined $newhops && $newhops == 0;
2098 $newhops = $ref->{default} unless $newhops;
2099 return "" if defined $newhops && $newhops == 0;
2100 $newhops = $hops if !$newhops;
2101 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2103 # simply decrement it
2105 return "" if !$hops;
2106 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2118 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2119 do "$main::data/hop_table.pl";
2125 # add a ping request to the ping queues
2128 my ($from, $to) = @_;
2129 my $ref = $pings{$to} || [];
2132 $r->{t} = [ gettimeofday ];
2133 route(undef, $to, pc51($to, $main::mycall, 1));
2140 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2141 if ($tonode eq $main::mycall) {
2142 my $ref = DXUser->get_current($fromnode);
2143 my $cref = Route::Node::get($fromnode);
2144 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2145 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2146 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2147 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2148 my $oldpriv = $self->{priv};
2149 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2150 my @in = (DXCommandmode::run_cmd($self, $cmd));
2151 $self->{priv} = $oldpriv;
2152 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2153 delete $self->{remotecmd};
2155 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2158 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2161 my $ref = DXUser->get_current($tonode);
2162 if ($ref && $ref->is_clx) {
2163 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2165 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2170 sub process_rcmd_reply
2172 my ($self, $tonode, $fromnode, $user, $line) = @_;
2173 if ($tonode eq $main::mycall) {
2174 my $s = $rcmds{$fromnode};
2176 my $dxchan = DXChannel->get($s->{call});
2177 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2178 $ref->send($line) if $ref;
2179 delete $rcmds{$fromnode} if !$dxchan;
2181 # send unsolicited ones to the sysop
2182 my $dxchan = DXChannel->get($main::myalias);
2183 $dxchan->send($line) if $dxchan;
2186 my $ref = DXUser->get_current($tonode);
2187 if ($ref && $ref->is_clx) {
2188 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2190 $self->route($tonode, pc35($fromnode, $tonode, $line));
2199 my $fromnode = shift;
2204 Log('rcmd', 'out', $fromnode, $line);
2205 if ($self->is_clx) {
2206 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2208 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2213 # add a rcmd request to the rcmd queues
2216 my ($self, $to, $cmd) = @_;
2219 $r->{call} = $self->{call};
2220 $r->{t} = $main::systime;
2224 my $ref = Route::Node::get($to);
2225 my $dxchan = $ref->dxchan;
2226 if ($dxchan && $dxchan->is_clx) {
2227 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2229 route(undef, $to, pc34($main::mycall, $to, $cmd));
2236 my $pc39flag = shift;
2237 my $call = $self->call;
2239 return if $self->{disconnecting}++;
2241 unless ($pc39flag && $pc39flag == 1) {
2242 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2245 # get rid of any PC16/17/19
2246 eph_del_regex("^PC1[679]*$call");
2248 # do routing stuff, remove me from routing table
2249 my $node = Route::Node::get($call);
2252 @rout = $node->del($main::routeroot);
2254 # and all my ephemera as well
2257 eph_del_regex("^PC1[679].*$c");
2261 # remove them from the pc19list as well
2262 while (my ($k,$v) = each %pc19list) {
2263 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2265 $pc19list{$k} = \@l;
2267 delete $pc19list{$k};
2271 eph_del_regex("^PC1[679].*$k");
2274 # unbusy and stop and outgoing mail
2275 my $mref = DXMsg::get_busy($call);
2276 $mref->stop_msg($call) if $mref;
2278 # broadcast to all other nodes that all the nodes connected to via me are gone
2279 unless ($pc39flag && $pc39flag == 2) {
2280 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2283 # remove outstanding pings
2284 delete $pings{$call};
2286 # I was the last node visited
2287 $self->user->node($main::mycall);
2289 # send info to all logged in thingies
2290 $self->tell_login('logoutn');
2292 Log('DXProt', $call . " Disconnected");
2294 $self->SUPER::disconnect;
2299 # send a talk message to this thingy
2303 my ($self, $from, $to, $via, $line, $origin) = @_;
2305 $line =~ s/\^/\\5E/g; # remove any ^ characters
2306 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2307 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2310 # send it if it isn't the except list and isn't isolated and still has a hop count
2311 # taking into account filtering and so on
2317 my $generate = shift;
2318 my $no = shift; # the no of things to filter on
2320 my ($filter, $hops);
2323 for (; @_ && $no; $no--) {
2326 if (!$self->{isolate} && $self->{routefilter}) {
2329 ($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});
2333 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2336 dbg("was sent a null value") if isdbg('chanerr');
2339 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2343 foreach my $line (&$generate(@rin, @_)) {
2346 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2348 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2349 next unless $routeit;
2352 $routeit = mungepc91($origin, $routeit) if $self->user->wantpc90;
2353 $self->send($routeit);
2362 my $generate = shift;
2364 my @dxchan = DXChannel::get_all_nodes();
2367 unless ($self->{isolate}) {
2368 foreach $dxchan (@dxchan) {
2369 next if $dxchan == $self;
2370 next if $dxchan == $main::me;
2371 next unless $dxchan->isa('DXProt');
2372 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2374 if ($self->user->wantpc90 && $line) {
2375 $dxchan->send(mungepc91($origin, $line));
2377 $dxchan->send_route($origin, $generate, @_);
2386 return unless $self->user->wantpc16;
2389 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2395 return unless $self->user->wantpc16;
2398 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2406 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2414 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2422 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2430 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2438 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2445 my ($filter, $hops) = (1, 1);
2447 if ($self->{inroutefilter}) {
2448 ($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);
2449 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2457 my $t = shift || $eph_restime;
2461 $s =~ s/\^H\d\d?\^?\~?$//;
2463 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2464 $eph{$s} = $main::systime + $t;
2472 while (($key, $val) = each %eph) {
2473 if ($key =~ m{$regex}) {
2483 while (($key, $val) = each %eph) {
2484 if ($main::systime >= $val) {
2495 while (($key, $val) = each %eph) {
2496 push @out, $key, $val;
2503 goto &DXCommandmode::run_cmd;