3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
30 use Time::HiRes qw(gettimeofday tv_interval);
37 use vars qw($me $pc11_max_age $pc23_max_age
38 $last_hour %pings %rcmds
39 %nodehops $baddx $badspotter $badnode $censorpc
40 $allowzero $decode_dk0wcy $send_opernam @checklist);
42 $me = undef; # the channel id for this cluster
43 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
44 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
46 $last_hour = time; # last time I did an hourly periodic update
47 %pings = (); # outstanding ping requests outbound
48 %rcmds = (); # outstanding rcmd requests outbound
49 %nodehops = (); # node specific hop control
50 $censorpc = 1; # Do a BadWords::check on text fields and reject things
51 # loads of 'bad things'
52 $baddx = new DXHash "baddx";
53 $badspotter = new DXHash "badspotter";
54 $badnode = new DXHash "badnode";
58 [ qw(c c m bp bc c) ], # pc10
59 [ qw(f m d t m c c h) ], # pc11
60 [ qw(c bc m bp bm p h) ], # pc12
64 undef , # pc16 has to be validated manually
67 undef , # pc19 has to be validated manually
68 undef , # pc20 no validation
70 undef , # pc22 no validation
71 [ qw(d n n n n m c c h) ], # pc23
73 [ qw(c c n n) ], # pc25
74 [ qw(f m d t m c c bc) ], # pc26
75 [ qw(d n n n n m c c bc) ], # pc27
76 [ qw(c c m c d t p m bp n p bp bc) ], # pc28
77 [ qw(c c n m) ], # pc29
85 [ qw(c c n m) ], # pc37
86 undef, # pc38 not interested
88 [ qw(c c m p n) ], # pc40
89 [ qw(c n m h) ], # pc41
91 undef, # pc43 don't handle it
92 [ qw(c c n m m c) ], # pc44
93 [ qw(c c n m) ], # pc45
121 [ qw(d n n n n n n m m m c c h) ], # pc73
132 [ qw(c c c m) ], # pc84
133 [ qw(c c c m) ], # pc85
136 # use the entry in the check list to check the field list presented
137 # return OK if line NOT in check list (for now)
142 return 0 if $n < 0 || $n > @checklist;
143 my $ref = $checklist[$n];
144 return 0 unless ref $ref;
147 shift; # not interested in the first field
148 for ($i = 0; $i < @$ref; $i++) {
149 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
150 return 0 unless $act;
151 next if $blank && $_[$i] =~ /^[ \*]$/;
153 return $i+1 unless is_callsign($_[$i]);
154 } elsif ($act eq 'm') {
155 return $i+1 unless is_pctext($_[$i]);
156 } elsif ($act eq 'p') {
157 return $i+1 unless is_pcflag($_[$i]);
158 } elsif ($act eq 'f') {
159 return $i+1 unless is_freq($_[$i]);
160 } elsif ($act eq 'n') {
161 return $i+1 unless $_[$i] =~ /^[\d ]+$/;
162 } elsif ($act eq 'h') {
163 return $i+1 unless $_[$i] =~ /^H\d\d?$/;
164 } elsif ($act eq 'd') {
165 return $i+1 unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
166 } elsif ($act eq 't') {
167 return $i+1 unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
175 my $user = DXUser->get($main::mycall);
176 $DXProt::myprot_version += $main::version*100;
177 $me = DXProt->new($main::mycall, 0, $user);
179 $me->{state} = "indifferent";
180 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
182 $me->{sort} = 'S'; # S for spider
184 # $Route::Node::me->adddxchan($me);
188 # obtain a new connection this is derived from dxchannel
193 my $self = DXChannel::alloc(@_);
197 # this is how a pc connection starts (for an incoming connection)
198 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
199 # all the crap that comes between).
202 my ($self, $line, $sort) = @_;
203 my $call = $self->{call};
204 my $user = $self->{user};
206 # remember type of connection
207 $self->{consort} = $line;
208 $self->{outbound} = $sort eq 'O';
209 $self->{priv} = $user->priv || 1; # other clusters can always be 'normal' users
210 $self->{lang} = $user->lang || 'en';
211 $self->{isolate} = $user->{isolate};
212 $self->{consort} = $line; # save the connection type
215 # get the output filters
216 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
217 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
218 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
219 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
220 $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) ;
223 # get the INPUT filters (these only pertain to Clusters)
224 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
225 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
226 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
227 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
228 $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1);
230 # set unbuffered and no echo
231 $self->send_now('B',"0");
232 $self->send_now('E',"0");
234 # ping neighbour node stuff
235 my $ping = $user->pingint;
236 $ping = 5*60 unless defined $ping;
237 $self->{pingint} = $ping;
238 $self->{nopings} = $user->nopings || 2;
239 $self->{pingtime} = [ ];
240 $self->{pingave} = 0;
242 # send initialisation string
243 unless ($self->{outbound}) {
245 $self->{lastping} = $main::systime;
247 $self->{lastping} = $main::systime + ($self->pingint / 2);
249 $self->state('init');
250 $self->{pc50_t} = $main::systime;
252 # send info to all logged in thingies
253 $self->tell_login('loginn');
255 # add this node to the table, the values get filled in later
256 $main::routeroot->add($call);
258 Log('DXProt', "$call connected");
262 # This is the normal pcxx despatcher
266 my ($self, $line) = @_;
267 my @field = split /\^/, $line;
268 return unless @field;
270 pop @field if $field[-1] eq '~';
272 # print join(',', @field), "\n";
274 # ignore any lines that don't start with PC
275 return if !$field[0] =~ /^PC/;
278 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
280 return if $pcno < 10 || $pcno > 99;
282 # check for and dump bad protocol messages
283 my $n = check($pcno, @field);
285 dbg('chan', "PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")");
292 $pcr = Local::pcprot($self, $pcno, @field);
294 # dbg('local', "Local::pcprot error $@") if $@;
298 if ($pcno == 10) { # incoming talk
300 # will we allow it at all?
303 if (@bad = BadWords::check($field[3])) {
304 dbg('chan', "PCPROT: Bad words: @bad, dropped" );
309 # is it for me or one of mine?
310 my ($to, $via, $call, $dxchan);
311 if ($field[5] gt ' ') {
312 $call = $via = $field[2];
315 $call = $to = $field[2];
317 $dxchan = DXChannel->get($call);
318 if ($dxchan && $dxchan->is_user) {
319 $field[3] =~ s/\%5E/^/g;
320 $dxchan->talk($field[1], $to, $via, $field[3]);
322 $self->route($field[2], $line); # relay it on its way
327 if ($pcno == 11 || $pcno == 26) { # dx spot
329 # route 'foreign' pc26s
331 if ($field[7] ne $main::mycall) {
332 $self->route($field[7], $line);
337 # if this is a 'nodx' node then ignore it
338 if ($badnode->in($field[7])) {
339 dbg('chan', "PCPROT: Bad Node, dropped");
343 # if this is a 'bad spotter' user then ignore it
344 if ($badspotter->in($field[6])) {
345 dbg('chan', "PCPROT: Bad Spotter, dropped");
349 # convert the date to a unix date
350 my $d = cltounix($field[3], $field[4]);
351 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
352 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
353 dbg('chan', "PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
358 if ($baddx->in($field[2])) {
359 dbg('chan', "PCPROT: Bad DX spot, ignored");
364 $field[5] =~ s/^\s+//; # take any leading blanks off
365 $field[2] = unpad($field[2]); # take off leading and trailing blanks from spotted callsign
366 if ($field[2] =~ /BUST\w*$/) {
367 dbg('chan', "PCPROT: useless 'BUSTED' spot");
370 if (Spot::dup($field[1], $field[2], $d, $field[5])) {
371 dbg('chan', "PCPROT: Duplicate Spot ignored\n");
376 if (@bad = BadWords::check($field[5])) {
377 dbg('chan', "PCPROT: Bad words: @bad, dropped" );
382 my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
383 # global spot filtering on INPUT
384 if ($self->{inspotsfilter}) {
385 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
387 dbg('chan', "PCPROT: Rejected by filter");
396 # @spot at this point contains:-
397 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
398 # then spotted itu, spotted cq, spotters itu, spotters cq
399 # you should be able to route on any of these
402 # fix up qra locators of known users
403 my $user = DXUser->get_current($spot[4]);
405 my $qra = $user->qra;
406 unless ($qra && DXBearing::is_qra($qra)) {
407 my $lat = $user->lat;
408 my $long = $user->long;
409 if (defined $lat && defined $long) {
410 $user->qra(DXBearing::lltoqra($lat, $long));
415 # send a remote command to a distant cluster if it is visible and there is no
416 # qra locator and we havn't done it for a month.
418 unless ($user->qra) {
420 my $to = $user->homenode;
421 my $last = $user->lastoper || 0;
422 if ($send_opernam && $main::systime > $last + $DXUser::lastoperinterval && $to && ($node = Route::Node::get($to)) ) {
423 my $cmd = "forward/opernam $spot[4]";
424 # send the rcmd but we aren't interested in the replies...
425 my $dxchan = $node->dxchan;
426 if ($dxchan && $dxchan->is_clx) {
427 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
429 route(undef, $to, pc34($main::mycall, $to, $cmd));
431 if ($to ne $field[7]) {
433 $node = Route::Node::get($to);
434 $dxchan = $node->dxchan;
435 if ($node->dxchan && $dxchan->is_clx) {
436 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
438 route(undef, $to, pc34($main::mycall, $to, $cmd));
441 $user->lastoper($main::systime);
450 $r = Local::spot($self, @spot);
452 # dbg('local', "Local::spot1 error $@") if $@;
455 # DON'T be silly and send on PC26s!
456 return if $pcno == 26;
458 # send out the filtered spots
459 send_dx_spot($self, $line, @spot) if @spot;
463 if ($pcno == 12) { # announces
464 # announce duplicate checking
465 $field[3] =~ s/^\s+//; # remove leading blanks
466 if (AnnTalk::dup($field[1], $field[2], $field[3])) {
467 dbg('chan', "PCPROT: Duplicate Announce ignored");
473 if (@bad = BadWords::check($field[3])) {
474 dbg('chan', "PCPROT: Bad words: @bad, dropped" );
479 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
481 # global ann filtering on INPUT
482 if ($self->{inannfilter}) {
483 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
484 my @dxcc = Prefix::extract($field[1]);
486 $ann_dxcc = $dxcc[1]->dxcc;
487 $ann_itu = $dxcc[1]->itu;
488 $ann_cq = $dxcc[1]->cq();
490 @dxcc = Prefix::extract($field[5]);
492 $org_dxcc = $dxcc[1]->dxcc;
493 $org_itu = $dxcc[1]->itu;
494 $org_cq = $dxcc[1]->cq();
496 my ($filter, $hops) = $self->{inannfilter}->it(@field[1..6], $self->{call},
497 $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
499 dbg('chan', "PCPROT: Rejected by filter");
505 $self->send_announce($line, @field[1..6]);
507 $self->route($field[2], $line);
523 if ($pcno == 16) { # add a user
527 my $newline = "PC16^";
529 if ($field[1] eq $main::mycall || $field[2] eq $main::mycall) {
530 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
533 if ($field[2] eq $main::myalias && DXChannel->get($field[1])) {
534 dbg('chan', "PCPROT: trying to connect sysop from outside!");
537 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
538 dbg('chan', "PCPROT: $field[1] connected locally");
542 my $node = Route::Node::get($field[1]);
544 dbg('chan', "PCPROT: Node $field[1] not in config");
549 for ($i = 2; $i < $#field; $i++) {
550 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
551 next unless $call && $conf && defined $here && is_callsign($call);
552 $conf = $conf eq '*';
554 push @rout, $node->add_user($call, Route::here($here)|Route::conf($conf));
556 # add this station to the user database, if required
557 $call =~ s/-\d+$//o; # remove ssid for users
558 my $user = DXUser->get_current($call);
559 $user = DXUser->new($call) if !$user;
560 $user->homenode($node->call) if !$user->homenode;
561 $user->node($node->call);
562 $user->lastin($main::systime) unless DXChannel->get($call);
567 # queue up any messages (look for privates only)
568 DXMsg::queue_msg(1) if $self->state eq 'normal';
570 dbg('route', "B/C PC16 on $field[1] for: " . join(',', map{$_->call} @rout)) if @rout;
571 $self->route_pc16($node, @rout) if @rout;
575 if ($pcno == 17) { # remove a user
577 if ($field[1] eq $main::mycall || $field[2] eq $main::mycall) {
578 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
581 if ($field[1] eq $main::myalias && DXChannel->get($field[1])) {
582 dbg('chan', "PCPROT: trying to disconnect sysop from outside!");
585 if ($dxchan = DXChannel->get($field[1])) {
586 dbg('chan', "PCPROT: $field[1] connected locally");
590 my $node = Route::Node::get($field[2]);
592 dbg('chan', "PCPROT: Route::Node $field[2] not in config");
595 my @rout = $node->del_user($field[1]);
596 dbg('route', "B/C PC17 on $field[2] for: $field[1]");
597 $self->route_pc17($node, @rout) if @rout;
601 if ($pcno == 18) { # link request
602 $self->state('init');
604 # first clear out any nodes on this dxchannel
605 my $node = Route::Node::get($self->{call});
608 push @rout, $_->del_node;
610 $self->route_pc21(@rout, $node);
611 $self->send_local_config();
613 return; # we don't pass these on
616 if ($pcno == 19) { # incoming cluster list
618 my $newline = "PC19^";
622 my $node = Route::Node::get($self->{call});
625 for ($i = 1; $i < $#field-1; $i += 4) {
626 my $here = $field[$i];
627 my $call = uc $field[$i+1];
628 my $conf = $field[$i+2];
629 my $ver = $field[$i+3];
630 next unless defined $here && defined $conf && is_callsign($call);
631 # check for sane parameters
632 $ver = 5000 if $ver eq '0000';
633 next if $ver < 5000; # only works with version 5 software
634 next if length $call < 3; # min 3 letter callsigns
636 # update it if required
637 if ($node->call eq $call && !$node->version) {
638 $node->version($ver);
639 $node->flags(Route::here($here)|Route::conf($conf));
641 } elsif ($node->call ne $call) {
642 my $r = $node->add($call, $ver, Route::here($here)|Route::conf($conf));
643 push @rout, $r if $r;
646 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
647 my $mref = DXMsg::get_busy($call);
648 $mref->stop_msg($call) if $mref;
650 # add this station to the user database, if required (don't remove SSID from nodes)
651 my $user = DXUser->get_current($call);
653 $user = DXUser->new($call);
655 $user->priv(1); # I have relented and defaulted nodes
656 $self->{priv} = 1; # to user RCMDs allowed
657 $user->homenode($call);
660 $user->lastin($main::systime) unless DXChannel->get($call);
664 dbg('route', "B/C PC19 for: " . join(',', map{$_->call} @rout)) if @rout;
666 $self->route_pc19(@rout) if @rout;
670 if ($pcno == 20) { # send local configuration
671 $self->send_local_config();
673 $self->state('normal');
677 if ($pcno == 21) { # delete a cluster from the list
678 my $call = uc $field[1];
680 my $node = Route::Node::get($call);
682 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
683 if ($call eq $self->{call}) {
684 dbg('chan', "PCPROT: Trying to disconnect myself with PC21");
690 push @rout, $node->del_node($call);
692 dbg('chan', "PCPROT: Route::Node $call not in config");
695 dbg('chan', "PCPROT: I WILL _NOT_ be disconnected!");
698 dbg('route', "B/C PC21 for: " . join(',', (map{$_->call} @rout))) if @rout;
700 $self->route_pc21(@rout) if @rout;
705 $self->state('normal');
709 if ($pcno == 23 || $pcno == 27) { # WWV info
711 # route 'foreign' pc27s
713 if ($field[8] ne $main::mycall) {
714 $self->route($field[8], $line);
720 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
721 my $sfi = unpad($field[3]);
722 my $k = unpad($field[4]);
723 my $i = unpad($field[5]);
724 my ($r) = $field[6] =~ /R=(\d+)/;
726 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
727 dbg('chan', "PCPROT: WWV Date ($field[1] $field[2]) out of range");
730 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
731 dbg('chan', "PCPROT: Dup WWV Spot ignored\n");
734 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
736 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
740 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
742 # dbg('local', "Local::wwv2 error $@") if $@;
745 # DON'T be silly and send on PC27s!
746 return if $pcno == 27;
748 # broadcast to the eager world
749 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
753 if ($pcno == 24) { # set here status
754 my $call = uc $field[1];
755 my $ref = Route::Node::get($call);
756 $ref->here($field[2]) if $ref;
757 $ref = Route::User::get($call);
758 $ref->here($field[2]) if $ref;
762 if ($pcno == 25) { # merge request
763 if ($field[1] ne $main::mycall) {
764 $self->route($field[1], $line);
767 if ($field[2] eq $main::mycall) {
768 dbg('chan', "PCPROT: Trying to merge to myself, ignored");
772 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
776 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
779 $self->send(pc26(@{$in}[0..4], $field[2]));
785 my @in = reverse Geomag::search(0, $field[4], time, 1);
788 $self->send(pc27(@{$in}[0..5], $field[2]));
794 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
795 if ($pcno == 49 || $field[1] eq $main::mycall) {
796 DXMsg::process($self, $line);
798 $self->route($field[1], $line) unless $self->is_clx;
803 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
804 if ($field[1] eq $main::mycall) {
805 my $ref = DXUser->get_current($field[2]);
806 my $cref = Route::Node::get($field[2]);
807 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
808 unless (!$cref || !$ref || $cref->call ne $ref->homenode) { # not allowed to relay RCMDS!
809 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
810 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
811 my $oldpriv = $self->{priv};
812 $self->{priv} = $ref->{priv}; # assume the user's privilege level
813 my @in = (DXCommandmode::run_cmd($self, $field[3]));
814 $self->{priv} = $oldpriv;
817 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
818 Log('rcmd', 'out', $field[2], $_);
820 delete $self->{remotecmd};
822 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
825 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
828 my $ref = DXUser->get_current($field[1]);
829 if ($ref && $ref->is_clx) {
830 $self->route($field[1], pc84($field[2], $field[1], $field[2], $field[3]));
832 $self->route($field[1], $line);
838 if ($pcno == 35) { # remote command replies
839 if ($field[1] eq $main::mycall) {
840 my $s = $rcmds{$field[2]};
842 my $dxchan = DXChannel->get($s->{call});
843 $dxchan->send($field[3]) if $dxchan;
844 delete $rcmds{$field[2]} if !$dxchan;
846 # send unsolicited ones to the sysop
847 my $dxchan = DXChannel->get($main::myalias);
848 $dxchan->send($field[3]) if $dxchan;
851 my $ref = DXUser->get_current($field[1]);
852 if ($ref && $ref->is_clx) {
853 $self->route($field[1], pc85($field[2], $field[1], $field[2], $field[3]));
855 $self->route($field[1], $line);
861 # for pc 37 see 44 onwards
863 if ($pcno == 38) { # node connected list from neighbour
867 if ($pcno == 39) { # incoming disconnect
868 if ($field[1] eq $self->{call}) {
869 $self->disconnect(1);
871 dbg('chan', "PCPROT: came in on wrong channel");
876 if ($pcno == 41) { # user info
877 # add this station to the user database, if required
878 my $user = DXUser->get_current($field[1]);
879 $user = DXUser->new($field[1]) if !$user;
881 if ($field[2] == 1) {
882 $user->name($field[3]);
883 } elsif ($field[2] == 2) {
884 $user->qth($field[3]);
885 } elsif ($field[2] == 3) {
886 my ($lat, $long) = DXBearing::stoll($field[3]);
889 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra && DXBearing::is_qra($user->qra);
890 } elsif ($field[2] == 4) {
891 $user->homenode($field[3]);
893 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
900 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
901 DXDb::process($self, $line);
905 if ($pcno == 50) { # keep alive/user list
906 my $node = Route::Node::get($field[1]);
908 return unless $node->call eq $self->{call};
909 $node->usercount($field[2]);
914 if ($pcno == 51) { # incoming ping requests/answers
917 if ($field[1] eq $main::mycall) {
918 my $flag = $field[3];
920 $self->send(pc51($field[2], $field[1], '0'));
922 # it's a reply, look in the ping list for this one
923 my $ref = $pings{$field[2]};
925 my $tochan = DXChannel->get($field[2]);
928 my $dxchan = DXChannel->get($r->{call});
930 my $t = tv_interval($r->{t}, [ gettimeofday ]);
931 if ($dxchan->is_user) {
932 my $s = sprintf "%.2f", $t;
933 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
934 $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
935 } elsif ($dxchan->is_node) {
937 $tochan->{nopings} = $tochan->user->nopings || 2; # pump up the timer
938 push @{$tochan->{pingtime}}, $t;
939 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
941 for (@{$tochan->{pingtime}}) {
944 $tochan->{pingave} = $st / @{$tochan->{pingtime}};
951 # route down an appropriate thingy
952 $self->route($field[1], $line);
957 if ($pcno == 75) { # dunno but route it
958 if ($field[1] ne $main::mycall) {
959 $self->route($field[1], $line);
964 if ($pcno == 73) { # WCY broadcasts
967 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
968 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
969 dbg('chan', "PCPROT: WCY Date ($field[1] $field[2]) out of range");
972 @field = map { unpad($_) } @field;
973 if (WCY::dup($d,@field[3..7])) {
974 dbg('chan', "PCPROT: Dup WCY Spot ignored\n");
978 my $wcy = WCY::update($d, @field[2..12]);
982 $rep = Local::wwv($self, @field[1..12]);
984 # dbg('local', "Local::wcy error $@") if $@;
987 # broadcast to the eager world
988 send_wcy_spot($self, $line, $d, @field[2..12]);
992 if ($pcno == 84) { # remote commands (incoming)
993 if ($field[1] eq $main::mycall) {
994 my $ref = DXUser->get_current($field[2]);
995 my $cref = Route::Node::get($field[2]);
996 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
997 unless ($field[4] =~ /rcmd/i || !$cref || !$ref || $cref->call ne $ref->homenode) { # not allowed to relay RCMDS!
998 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
999 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1000 my $oldpriv = $self->{priv};
1001 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1002 my @in = (DXCommandmode::run_cmd($self, $field[4]));
1003 $self->{priv} = $oldpriv;
1006 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:$_"));
1007 Log('rcmd', 'out', $field[2], $_);
1009 delete $self->{remotecmd};
1011 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:sorry...!"));
1014 $self->send(pc85($main::mycall, $field[2], $field[3],"$main::mycall:your attempt is logged, Tut tut tut...!"));
1017 my $ref = DXUser->get_current($field[1]);
1018 if ($ref && $ref->is_clx) {
1019 $self->route($field[1], $line);
1021 $self->route($field[1], pc34($field[2], $field[1], $field[4]));
1027 if ($pcno == 85) { # remote command replies
1028 if ($field[1] eq $main::mycall) {
1029 my $dxchan = DXChannel->get($field[3]);
1031 $dxchan->send($field[4]);
1033 my $s = $rcmds{$field[2]};
1035 $dxchan = DXChannel->get($s->{call});
1036 $dxchan->send($field[4]) if $dxchan;
1037 delete $rcmds{$field[2]} if !$dxchan;
1039 # send unsolicited ones to the sysop
1040 my $dxchan = DXChannel->get($main::myalias);
1041 $dxchan->send($field[4]) if $dxchan;
1045 my $ref = DXUser->get_current($field[1]);
1046 if ($ref && $ref->is_clx) {
1047 $self->route($field[1], $line);
1049 $self->route($field[1], pc35($field[2], $field[1], $field[4]));
1056 # if get here then rebroadcast the thing with its Hop count decremented (if
1057 # there is one). If it has a hop count and it decrements to zero then don't
1060 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1064 unless ($self->{isolate}) {
1065 broadcast_ak1a($line, $self); # send it to everyone but me
1070 # This is called from inside the main cluster processing loop and is used
1071 # for despatching commands that are doing some long processing job
1076 my @dxchan = DXChannel->get_all();
1079 foreach $dxchan (@dxchan) {
1080 next unless $dxchan->is_node();
1081 next if $dxchan == $me;
1083 # send a pc50 out on this channel
1084 $dxchan->{pc50_t} = $main::systime unless exists $dxchan->{pc50_t};
1085 if ($t >= $dxchan->{pc50_t} + $DXProt::pc50_interval) {
1086 $dxchan->send(pc50(scalar DXChannel::get_all_users));
1087 $dxchan->{pc50_t} = $t;
1090 # send a ping out on this channel
1091 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1092 if ($dxchan->{nopings} <= 0) {
1093 $dxchan->disconnect;
1095 addping($main::mycall, $dxchan->call);
1096 $dxchan->{nopings} -= 1;
1097 $dxchan->{lastping} = $t;
1105 if ($main::systime - 3600 > $last_hour) {
1109 $last_hour = $main::systime;
1114 # finish up a pc context
1118 # some active measures
1125 my @dxchan = DXChannel->get_all();
1128 # send it if it isn't the except list and isn't isolated and still has a hop count
1129 # taking into account filtering and so on
1130 foreach $dxchan (@dxchan) {
1131 next if $dxchan == $me;
1133 my ($filter, $hops);
1135 if ($dxchan->{spotsfilter}) {
1136 ($filter, $hops) = $dxchan->{spotsfilter}->it(@_, $self->{call} );
1137 next unless $filter;
1140 if ($dxchan->is_node) {
1141 next if $dxchan == $self;
1144 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1146 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1147 next unless $routeit;
1150 $dxchan->send($routeit) if $routeit;
1152 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1154 } elsif ($dxchan->is_user && $dxchan->{dx}) {
1155 my $buf = Spot::formatb($dxchan->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
1156 $buf .= "\a\a" if $dxchan->{beep};
1158 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1159 $dxchan->send($buf);
1161 $dxchan->delay($buf);
1171 my @dxchan = DXChannel->get_all();
1173 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1174 my @dxcc = Prefix::extract($_[7]);
1176 $wwv_dxcc = $dxcc[1]->dxcc;
1177 $wwv_itu = $dxcc[1]->itu;
1178 $wwv_cq = $dxcc[1]->cq;
1180 @dxcc = Prefix::extract($_[8]);
1182 $org_dxcc = $dxcc[1]->dxcc;
1183 $org_itu = $dxcc[1]->itu;
1184 $org_cq = $dxcc[1]->cq;
1187 # send it if it isn't the except list and isn't isolated and still has a hop count
1188 # taking into account filtering and so on
1189 foreach $dxchan (@dxchan) {
1190 next if $dxchan == $self;
1191 next if $dxchan == $me;
1193 my ($filter, $hops);
1195 if ($dxchan->{wwvfilter}) {
1196 ($filter, $hops) = $dxchan->{wwvfilter}->it(@_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1197 next unless $filter;
1199 if ($dxchan->is_node) {
1202 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1204 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1205 next unless $routeit;
1208 $dxchan->send($routeit) if $routeit;
1210 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1213 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
1214 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1215 $buf .= "\a\a" if $dxchan->{beep};
1216 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1217 $dxchan->send($buf);
1219 $dxchan->delay($buf);
1229 my @dxchan = DXChannel->get_all();
1231 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1232 my @dxcc = Prefix::extract($_[11]);
1234 $wcy_dxcc = $dxcc[1]->dxcc;
1235 $wcy_itu = $dxcc[1]->itu;
1236 $wcy_cq = $dxcc[1]->cq;
1238 @dxcc = Prefix::extract($_[12]);
1240 $org_dxcc = $dxcc[1]->dxcc;
1241 $org_itu = $dxcc[1]->itu;
1242 $org_cq = $dxcc[1]->cq;
1245 # send it if it isn't the except list and isn't isolated and still has a hop count
1246 # taking into account filtering and so on
1247 foreach $dxchan (@dxchan) {
1248 next if $dxchan == $me;
1250 my ($filter, $hops);
1252 if ($dxchan->{wcyfilter}) {
1253 ($filter, $hops) = $dxchan->{wcyfilter}->it(@_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1254 next unless $filter;
1256 if ($dxchan->is_clx || $dxchan->is_spider || $dxchan->is_dxnet) {
1259 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1261 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1262 next unless $routeit;
1265 $dxchan->send($routeit) if $routeit;
1267 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1269 } elsif ($dxchan->is_user && $dxchan->{wcy}) {
1270 my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1271 $buf .= "\a\a" if $dxchan->{beep};
1272 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1273 $dxchan->send($buf);
1275 $dxchan->delay($buf);
1286 my @dxchan = DXChannel->get_all();
1288 my $text = unpad($_[2]);
1292 if ($_[3] eq '*') { # sysops
1294 } elsif ($_[3] gt ' ') { # speciality list handling
1295 my ($name) = split /\./, $_[3];
1296 $target = "$name"; # put the rest in later (if bothered)
1303 $target = "ALL" if !$target;
1305 Log('ann', $target, $_[0], $text);
1307 # obtain country codes etc
1308 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1309 my @dxcc = Prefix::extract($_[0]);
1311 $ann_dxcc = $dxcc[1]->dxcc;
1312 $ann_itu = $dxcc[1]->itu;
1313 $ann_cq = $dxcc[1]->cq;
1315 @dxcc = Prefix::extract($_[4]);
1317 $org_dxcc = $dxcc[1]->dxcc;
1318 $org_itu = $dxcc[1]->itu;
1319 $org_cq = $dxcc[1]->cq;
1322 # send it if it isn't the except list and isn't isolated and still has a hop count
1323 # taking into account filtering and so on
1324 foreach $dxchan (@dxchan) {
1325 next if $dxchan == $self;
1326 next if $dxchan == $me;
1328 my ($filter, $hops);
1330 if ($dxchan->{annfilter}) {
1331 ($filter, $hops) = $dxchan->{annfilter}->it(@_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1332 next unless $filter;
1334 if ($dxchan->is_node && $_[1] ne $main::mycall) { # i.e not specifically routed to me
1337 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1339 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1340 next unless $routeit;
1343 $dxchan->send($routeit) if $routeit;
1345 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1348 } elsif ($dxchan->is_user) {
1349 unless ($dxchan->{ann}) {
1350 next if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
1352 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
1353 my $buf = "$to$target de $_[0]: $text";
1355 $buf .= "\a\a" if $dxchan->{beep};
1356 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1357 $dxchan->send($buf);
1359 $dxchan->delay($buf);
1365 sub send_local_config
1374 if ($self->{isolate}) {
1375 @localcalls = ( $main::mycall );
1377 # create a list of all the nodes that are not connected to this connection
1378 # and are not themselves isolated, this to make sure that isolated nodes
1379 # don't appear outside of this node
1380 my @dxchan = grep { $_->call ne $main::mycall && $_->call ne $self->{call} && !$_->{isolate} } DXChannel::get_all_nodes();
1381 @localcalls = map { $_->{call} } @dxchan if @dxchan;
1382 @remotecalls = map {my $r = Route::Node::get($_); $r ? $r->rnodes(@localcalls, $main::mycall, $self->{call}) : () } @localcalls if @localcalls;
1383 unshift @localcalls, $main::mycall;
1385 @nodes = map {my $r = Route::Node::get($_); $r ? $r : ()} (@localcalls, @remotecalls);
1387 send_route($self, \&pc19, scalar @nodes, @nodes);
1389 # get all the users connected on the above nodes and send them out
1390 foreach $n (@nodes) {
1391 send_route($self, \&pc16, 1, $n, map {my $r = Route::User::get($_); $r ? ($r) : ()} $n->users);
1396 # route a message down an appropriate interface for a callsign
1398 # is called route(to, pcline);
1402 my ($self, $call, $line) = @_;
1404 if (ref $self && $call eq $self->{call}) {
1405 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1409 # always send it down the local interface if available
1410 my $dxchan = DXChannel->get($call);
1412 my $cl = Route::Node::get($call);
1413 $dxchan = $cl->dxchan if $cl;
1415 if (ref $self && $dxchan eq $self) {
1416 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1422 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1424 $dxchan->send($routeit);
1427 dbg('chan', "PCPROT: No route available, dropped");
1431 # broadcast a message to all clusters taking into account isolation
1432 # [except those mentioned after buffer]
1435 my $s = shift; # the line to be rebroadcast
1436 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1437 my @dxchan = DXChannel::get_all_nodes();
1440 # send it if it isn't the except list and isn't isolated and still has a hop count
1441 foreach $dxchan (@dxchan) {
1442 next if grep $dxchan == $_, @except;
1443 next if $dxchan == $me;
1445 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1446 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1450 # broadcast a message to all clusters ignoring isolation
1451 # [except those mentioned after buffer]
1452 sub broadcast_all_ak1a
1454 my $s = shift; # the line to be rebroadcast
1455 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1456 my @dxchan = DXChannel::get_all_nodes();
1459 # send it if it isn't the except list and isn't isolated and still has a hop count
1460 foreach $dxchan (@dxchan) {
1461 next if grep $dxchan == $_, @except;
1462 next if $dxchan == $me;
1464 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1465 $dxchan->send($routeit);
1469 # broadcast to all users
1470 # storing the spot or whatever until it is in a state to receive it
1473 my $s = shift; # the line to be rebroadcast
1474 my $sort = shift; # the type of transmission
1475 my $fref = shift; # a reference to an object to filter on
1476 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1477 my @dxchan = DXChannel::get_all_users();
1481 foreach $dxchan (@dxchan) {
1482 next if grep $dxchan == $_, @except;
1485 broadcast_list($s, $sort, $fref, @out);
1488 # broadcast to a list of users
1496 foreach $dxchan (@_) {
1498 next if $dxchan == $me;
1500 if ($sort eq 'dx') {
1501 next unless $dxchan->{dx};
1502 ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
1503 next unless $filter;
1505 next if $sort eq 'ann' && !$dxchan->{ann};
1506 next if $sort eq 'wwv' && !$dxchan->{wwv};
1507 next if $sort eq 'wcy' && !$dxchan->{wcy};
1508 next if $sort eq 'wx' && !$dxchan->{wx};
1510 $s =~ s/\a//og unless $dxchan->{beep};
1512 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1522 # obtain the hops from the list for this callsign and pc no
1528 my $hops = $DXProt::hopcount{$pcno};
1529 $hops = $DXProt::def_hopcount if !$hops;
1534 # adjust the hop count on a per node basis using the user loadable
1535 # hop table if available or else decrement an existing one
1542 my $call = $self->{call};
1545 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1546 my ($pcno) = $s =~ /^PC(\d\d)/o;
1547 confess "$call called adjust_hops with '$s'" unless $pcno;
1548 my $ref = $nodehops{$call} if %nodehops;
1550 my $newhops = $ref->{$pcno};
1551 return "" if defined $newhops && $newhops == 0;
1552 $newhops = $ref->{default} unless $newhops;
1553 return "" if defined $newhops && $newhops == 0;
1554 $newhops = $hops if !$newhops;
1555 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1557 # simply decrement it
1559 return "" if !$hops;
1560 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1572 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1573 do "$main::data/hop_table.pl";
1579 # add a ping request to the ping queues
1582 my ($from, $to) = @_;
1583 my $ref = $pings{$to} || [];
1586 $r->{t} = [ gettimeofday ];
1587 route(undef, $to, pc51($to, $main::mycall, 1));
1592 # add a rcmd request to the rcmd queues
1595 my ($self, $to, $cmd) = @_;
1598 $r->{call} = $self->{call};
1599 $r->{t} = $main::systime;
1603 my $ref = Route::Node::get($to);
1604 my $dxchan = $ref->dxchan;
1605 if ($dxchan && $dxchan->is_clx) {
1606 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1608 route(undef, $to, pc34($main::mycall, $to, $cmd));
1615 my $pc39flag = shift;
1616 my $call = $self->call;
1618 unless ($pc39flag && $pc39flag == 1) {
1619 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1623 # my $node = Route::Node::get($self->{call});
1624 # my @rout = $node->del_nodes if $node;
1625 my @rout = $main::routeroot->del_node($call);
1626 dbg('route', "B/C PC21 (from PC39) for: " . join(',', (map{ $_->call } @rout))) if @rout;
1628 # unbusy and stop and outgoing mail
1629 my $mref = DXMsg::get_busy($call);
1630 $mref->stop_msg($call) if $mref;
1632 # broadcast to all other nodes that all the nodes connected to via me are gone
1633 unless ($pc39flag && $pc39flag == 2) {
1634 $self->route_pc21(@rout) if @rout;
1637 # remove outstanding pings
1638 delete $pings{$call};
1640 # I was the last node visited
1641 $self->user->node($main::mycall);
1643 # send info to all logged in thingies
1644 $self->tell_login('logoutn');
1646 Log('DXProt', $call . " Disconnected");
1648 $self->SUPER::disconnect;
1653 # send a talk message to this thingy
1657 my ($self, $from, $to, $via, $line) = @_;
1659 $line =~ s/\^/\\5E/g; # remove any ^ characters
1660 $self->send(DXProt::pc10($from, $to, $via, $line));
1661 Log('talk', $self->call, $from, $via?$via:$main::mycall, $line);
1664 # send it if it isn't the except list and isn't isolated and still has a hop count
1665 # taking into account filtering and so on
1669 my $generate = shift;
1670 my $no = shift; # the no of things to filter on
1672 my ($filter, $hops);
1675 if ($self->{routefilter}) {
1676 for (; @_ && $no; $no--) {
1678 ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1679 push @rin, $r if $filter;
1683 foreach my $line (&$generate(@rin, @_)) {
1686 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1688 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1689 next unless $routeit;
1691 $self->send($routeit) unless $self->{isolate} || $self->{isolate};
1699 my $generate = shift;
1700 my @dxchan = DXChannel::get_all_nodes();
1704 foreach $dxchan (@dxchan) {
1705 next if $dxchan == $self;
1706 next if $dxchan == $me;
1707 $dxchan->send_route($generate, @_);
1714 broadcast_route($self, \&pc16, 1, @_);
1720 broadcast_route($self, \&pc17, 1, @_);
1726 broadcast_route($self, \&pc19, scalar @_, @_);
1732 broadcast_route($self, \&pc21, scalar @_, @_);