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);
435 $dxchan = $node->dxchan;
436 if ($dxchan && $dxchan->is_clx) {
437 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
439 route(undef, $to, pc34($main::mycall, $to, $cmd));
443 $user->lastoper($main::systime);
452 $r = Local::spot($self, @spot);
454 # dbg('local', "Local::spot1 error $@") if $@;
457 # DON'T be silly and send on PC26s!
458 return if $pcno == 26;
460 # send out the filtered spots
461 send_dx_spot($self, $line, @spot) if @spot;
465 if ($pcno == 12) { # announces
466 # announce duplicate checking
467 $field[3] =~ s/^\s+//; # remove leading blanks
468 if (AnnTalk::dup($field[1], $field[2], $field[3])) {
469 dbg('chan', "PCPROT: Duplicate Announce ignored");
475 if (@bad = BadWords::check($field[3])) {
476 dbg('chan', "PCPROT: Bad words: @bad, dropped" );
481 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
483 # global ann filtering on INPUT
484 if ($self->{inannfilter}) {
485 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
486 my @dxcc = Prefix::extract($field[1]);
488 $ann_dxcc = $dxcc[1]->dxcc;
489 $ann_itu = $dxcc[1]->itu;
490 $ann_cq = $dxcc[1]->cq();
492 @dxcc = Prefix::extract($field[5]);
494 $org_dxcc = $dxcc[1]->dxcc;
495 $org_itu = $dxcc[1]->itu;
496 $org_cq = $dxcc[1]->cq();
498 my ($filter, $hops) = $self->{inannfilter}->it(@field[1..6], $self->{call},
499 $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
501 dbg('chan', "PCPROT: Rejected by filter");
507 $self->send_announce($line, @field[1..6]);
509 $self->route($field[2], $line);
525 if ($pcno == 16) { # add a user
529 my $newline = "PC16^";
531 if ($field[1] eq $main::mycall || $field[2] eq $main::mycall) {
532 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
535 if ($field[2] eq $main::myalias && DXChannel->get($field[1])) {
536 dbg('chan', "PCPROT: trying to connect sysop from outside!");
539 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
540 dbg('chan', "PCPROT: $field[1] connected locally");
544 my $node = Route::Node::get($field[1]);
546 dbg('chan', "PCPROT: Node $field[1] not in config");
551 for ($i = 2; $i < $#field; $i++) {
552 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
553 next unless $call && $conf && defined $here && is_callsign($call);
554 $conf = $conf eq '*';
556 push @rout, $node->add_user($call, Route::here($here)|Route::conf($conf));
558 # add this station to the user database, if required
559 $call =~ s/-\d+$//o; # remove ssid for users
560 my $user = DXUser->get_current($call);
561 $user = DXUser->new($call) if !$user;
562 $user->homenode($node->call) if !$user->homenode;
563 $user->node($node->call);
564 $user->lastin($main::systime) unless DXChannel->get($call);
569 # queue up any messages (look for privates only)
570 DXMsg::queue_msg(1) if $self->state eq 'normal';
572 dbg('route', "B/C PC16 on $field[1] for: " . join(',', map{$_->call} @rout)) if @rout;
573 $self->route_pc16($node, @rout) if @rout;
577 if ($pcno == 17) { # remove a user
579 if ($field[1] eq $main::mycall || $field[2] eq $main::mycall) {
580 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
583 if ($field[1] eq $main::myalias && DXChannel->get($field[1])) {
584 dbg('chan', "PCPROT: trying to disconnect sysop from outside!");
587 if ($dxchan = DXChannel->get($field[1])) {
588 dbg('chan', "PCPROT: $field[1] connected locally");
592 my $node = Route::Node::get($field[2]);
594 dbg('chan', "PCPROT: Route::Node $field[2] not in config");
597 my @rout = $node->del_user($field[1]);
598 dbg('route', "B/C PC17 on $field[2] for: $field[1]");
599 $self->route_pc17($node, @rout) if @rout;
603 if ($pcno == 18) { # link request
604 $self->state('init');
606 # first clear out any nodes on this dxchannel
607 my $node = Route::Node::get($self->{call});
610 my $r = Route::Node::get($_);
611 push @rout, $r->del_node if $r;
613 $self->route_pc21(@rout, $node);
614 $self->send_local_config();
616 return; # we don't pass these on
619 if ($pcno == 19) { # incoming cluster list
621 my $newline = "PC19^";
625 my $node = Route::Node::get($self->{call});
628 for ($i = 1; $i < $#field-1; $i += 4) {
629 my $here = $field[$i];
630 my $call = uc $field[$i+1];
631 my $conf = $field[$i+2];
632 my $ver = $field[$i+3];
633 next unless defined $here && defined $conf && is_callsign($call);
634 # check for sane parameters
635 $ver = 5000 if $ver eq '0000';
636 next if $ver < 5000; # only works with version 5 software
637 next if length $call < 3; # min 3 letter callsigns
639 # update it if required
640 if ($node->call eq $call && !$node->version) {
641 $node->version($ver);
642 $node->flags(Route::here($here)|Route::conf($conf));
644 } elsif ($node->call ne $call) {
645 my $r = $node->add($call, $ver, Route::here($here)|Route::conf($conf));
646 push @rout, $r if $r;
649 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
650 my $mref = DXMsg::get_busy($call);
651 $mref->stop_msg($call) if $mref;
653 # add this station to the user database, if required (don't remove SSID from nodes)
654 my $user = DXUser->get_current($call);
656 $user = DXUser->new($call);
658 $user->priv(1); # I have relented and defaulted nodes
659 $self->{priv} = 1; # to user RCMDs allowed
660 $user->homenode($call);
663 $user->lastin($main::systime) unless DXChannel->get($call);
667 dbg('route', "B/C PC19 for: " . join(',', map{$_->call} @rout)) if @rout;
669 $self->route_pc19(@rout) if @rout;
673 if ($pcno == 20) { # send local configuration
674 $self->send_local_config();
676 $self->state('normal');
680 if ($pcno == 21) { # delete a cluster from the list
681 my $call = uc $field[1];
683 my $node = Route::Node::get($call);
685 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
686 if ($call eq $self->{call}) {
687 dbg('chan', "PCPROT: Trying to disconnect myself with PC21");
693 push @rout, $node->del_node($call);
695 dbg('chan', "PCPROT: Route::Node $call not in config");
698 dbg('chan', "PCPROT: I WILL _NOT_ be disconnected!");
701 dbg('route', "B/C PC21 for: " . join(',', (map{$_->call} @rout))) if @rout;
703 $self->route_pc21(@rout) if @rout;
708 $self->state('normal');
712 if ($pcno == 23 || $pcno == 27) { # WWV info
714 # route 'foreign' pc27s
716 if ($field[8] ne $main::mycall) {
717 $self->route($field[8], $line);
723 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
724 my $sfi = unpad($field[3]);
725 my $k = unpad($field[4]);
726 my $i = unpad($field[5]);
727 my ($r) = $field[6] =~ /R=(\d+)/;
729 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
730 dbg('chan', "PCPROT: WWV Date ($field[1] $field[2]) out of range");
733 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
734 dbg('chan', "PCPROT: Dup WWV Spot ignored\n");
737 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
739 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
743 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
745 # dbg('local', "Local::wwv2 error $@") if $@;
748 # DON'T be silly and send on PC27s!
749 return if $pcno == 27;
751 # broadcast to the eager world
752 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
756 if ($pcno == 24) { # set here status
757 my $call = uc $field[1];
758 my $ref = Route::Node::get($call);
759 $ref->here($field[2]) if $ref;
760 $ref = Route::User::get($call);
761 $ref->here($field[2]) if $ref;
765 if ($pcno == 25) { # merge request
766 if ($field[1] ne $main::mycall) {
767 $self->route($field[1], $line);
770 if ($field[2] eq $main::mycall) {
771 dbg('chan', "PCPROT: Trying to merge to myself, ignored");
775 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
779 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
782 $self->send(pc26(@{$in}[0..4], $field[2]));
788 my @in = reverse Geomag::search(0, $field[4], time, 1);
791 $self->send(pc27(@{$in}[0..5], $field[2]));
797 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
798 if ($pcno == 49 || $field[1] eq $main::mycall) {
799 DXMsg::process($self, $line);
801 $self->route($field[1], $line) unless $self->is_clx;
806 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
807 if ($field[1] eq $main::mycall) {
808 my $ref = DXUser->get_current($field[2]);
809 my $cref = Route::Node::get($field[2]);
810 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
811 unless (!$cref || !$ref || $cref->call ne $ref->homenode) { # not allowed to relay RCMDS!
812 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
813 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
814 my $oldpriv = $self->{priv};
815 $self->{priv} = $ref->{priv}; # assume the user's privilege level
816 my @in = (DXCommandmode::run_cmd($self, $field[3]));
817 $self->{priv} = $oldpriv;
820 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
821 Log('rcmd', 'out', $field[2], $_);
823 delete $self->{remotecmd};
825 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
828 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
831 my $ref = DXUser->get_current($field[1]);
832 if ($ref && $ref->is_clx) {
833 $self->route($field[1], pc84($field[2], $field[1], $field[2], $field[3]));
835 $self->route($field[1], $line);
841 if ($pcno == 35) { # remote command replies
842 if ($field[1] eq $main::mycall) {
843 my $s = $rcmds{$field[2]};
845 my $dxchan = DXChannel->get($s->{call});
846 $dxchan->send($field[3]) if $dxchan;
847 delete $rcmds{$field[2]} if !$dxchan;
849 # send unsolicited ones to the sysop
850 my $dxchan = DXChannel->get($main::myalias);
851 $dxchan->send($field[3]) if $dxchan;
854 my $ref = DXUser->get_current($field[1]);
855 if ($ref && $ref->is_clx) {
856 $self->route($field[1], pc85($field[2], $field[1], $field[2], $field[3]));
858 $self->route($field[1], $line);
864 # for pc 37 see 44 onwards
866 if ($pcno == 38) { # node connected list from neighbour
870 if ($pcno == 39) { # incoming disconnect
871 if ($field[1] eq $self->{call}) {
872 $self->disconnect(1);
874 dbg('chan', "PCPROT: came in on wrong channel");
879 if ($pcno == 41) { # user info
880 # add this station to the user database, if required
881 my $user = DXUser->get_current($field[1]);
882 $user = DXUser->new($field[1]) if !$user;
884 if ($field[2] == 1) {
885 $user->name($field[3]);
886 } elsif ($field[2] == 2) {
887 $user->qth($field[3]);
888 } elsif ($field[2] == 3) {
889 my ($lat, $long) = DXBearing::stoll($field[3]);
892 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra && DXBearing::is_qra($user->qra);
893 } elsif ($field[2] == 4) {
894 $user->homenode($field[3]);
896 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
903 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
904 DXDb::process($self, $line);
908 if ($pcno == 50) { # keep alive/user list
909 my $node = Route::Node::get($field[1]);
911 return unless $node->call eq $self->{call};
912 $node->usercount($field[2]);
917 if ($pcno == 51) { # incoming ping requests/answers
920 if ($field[1] eq $main::mycall) {
921 my $flag = $field[3];
923 $self->send(pc51($field[2], $field[1], '0'));
925 # it's a reply, look in the ping list for this one
926 my $ref = $pings{$field[2]};
928 my $tochan = DXChannel->get($field[2]);
931 my $dxchan = DXChannel->get($r->{call});
933 my $t = tv_interval($r->{t}, [ gettimeofday ]);
934 if ($dxchan->is_user) {
935 my $s = sprintf "%.2f", $t;
936 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
937 $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
938 } elsif ($dxchan->is_node) {
940 $tochan->{nopings} = $tochan->user->nopings || 2; # pump up the timer
941 push @{$tochan->{pingtime}}, $t;
942 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
944 for (@{$tochan->{pingtime}}) {
947 $tochan->{pingave} = $st / @{$tochan->{pingtime}};
954 # route down an appropriate thingy
955 $self->route($field[1], $line);
960 if ($pcno == 75) { # dunno but route it
961 if ($field[1] ne $main::mycall) {
962 $self->route($field[1], $line);
967 if ($pcno == 73) { # WCY broadcasts
970 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
971 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
972 dbg('chan', "PCPROT: WCY Date ($field[1] $field[2]) out of range");
975 @field = map { unpad($_) } @field;
976 if (WCY::dup($d,@field[3..7])) {
977 dbg('chan', "PCPROT: Dup WCY Spot ignored\n");
981 my $wcy = WCY::update($d, @field[2..12]);
985 $rep = Local::wwv($self, @field[1..12]);
987 # dbg('local', "Local::wcy error $@") if $@;
990 # broadcast to the eager world
991 send_wcy_spot($self, $line, $d, @field[2..12]);
995 if ($pcno == 84) { # remote commands (incoming)
996 if ($field[1] eq $main::mycall) {
997 my $ref = DXUser->get_current($field[2]);
998 my $cref = Route::Node::get($field[2]);
999 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
1000 unless ($field[4] =~ /rcmd/i || !$cref || !$ref || $cref->call ne $ref->homenode) { # not allowed to relay RCMDS!
1001 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1002 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1003 my $oldpriv = $self->{priv};
1004 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1005 my @in = (DXCommandmode::run_cmd($self, $field[4]));
1006 $self->{priv} = $oldpriv;
1009 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:$_"));
1010 Log('rcmd', 'out', $field[2], $_);
1012 delete $self->{remotecmd};
1014 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:sorry...!"));
1017 $self->send(pc85($main::mycall, $field[2], $field[3],"$main::mycall:your attempt is logged, Tut tut tut...!"));
1020 my $ref = DXUser->get_current($field[1]);
1021 if ($ref && $ref->is_clx) {
1022 $self->route($field[1], $line);
1024 $self->route($field[1], pc34($field[2], $field[1], $field[4]));
1030 if ($pcno == 85) { # remote command replies
1031 if ($field[1] eq $main::mycall) {
1032 my $dxchan = DXChannel->get($field[3]);
1034 $dxchan->send($field[4]);
1036 my $s = $rcmds{$field[2]};
1038 $dxchan = DXChannel->get($s->{call});
1039 $dxchan->send($field[4]) if $dxchan;
1040 delete $rcmds{$field[2]} if !$dxchan;
1042 # send unsolicited ones to the sysop
1043 my $dxchan = DXChannel->get($main::myalias);
1044 $dxchan->send($field[4]) if $dxchan;
1048 my $ref = DXUser->get_current($field[1]);
1049 if ($ref && $ref->is_clx) {
1050 $self->route($field[1], $line);
1052 $self->route($field[1], pc35($field[2], $field[1], $field[4]));
1059 # if get here then rebroadcast the thing with its Hop count decremented (if
1060 # there is one). If it has a hop count and it decrements to zero then don't
1063 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1067 unless ($self->{isolate}) {
1068 broadcast_ak1a($line, $self); # send it to everyone but me
1073 # This is called from inside the main cluster processing loop and is used
1074 # for despatching commands that are doing some long processing job
1079 my @dxchan = DXChannel->get_all();
1082 foreach $dxchan (@dxchan) {
1083 next unless $dxchan->is_node();
1084 next if $dxchan == $me;
1086 # send a pc50 out on this channel
1087 $dxchan->{pc50_t} = $main::systime unless exists $dxchan->{pc50_t};
1088 if ($t >= $dxchan->{pc50_t} + $DXProt::pc50_interval) {
1089 $dxchan->send(pc50(scalar DXChannel::get_all_users));
1090 $dxchan->{pc50_t} = $t;
1093 # send a ping out on this channel
1094 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1095 if ($dxchan->{nopings} <= 0) {
1096 $dxchan->disconnect;
1098 addping($main::mycall, $dxchan->call);
1099 $dxchan->{nopings} -= 1;
1100 $dxchan->{lastping} = $t;
1108 if ($main::systime - 3600 > $last_hour) {
1112 $last_hour = $main::systime;
1117 # finish up a pc context
1121 # some active measures
1128 my @dxchan = DXChannel->get_all();
1131 # send it if it isn't the except list and isn't isolated and still has a hop count
1132 # taking into account filtering and so on
1133 foreach $dxchan (@dxchan) {
1134 next if $dxchan == $me;
1136 my ($filter, $hops);
1138 if ($dxchan->{spotsfilter}) {
1139 ($filter, $hops) = $dxchan->{spotsfilter}->it(@_, $self->{call} );
1140 next unless $filter;
1143 if ($dxchan->is_node) {
1144 next if $dxchan == $self;
1147 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1149 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1150 next unless $routeit;
1153 $dxchan->send($routeit) if $routeit;
1155 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1157 } elsif ($dxchan->is_user && $dxchan->{dx}) {
1158 my $buf = Spot::formatb($dxchan->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
1159 $buf .= "\a\a" if $dxchan->{beep};
1161 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1162 $dxchan->send($buf);
1164 $dxchan->delay($buf);
1174 my @dxchan = DXChannel->get_all();
1176 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1177 my @dxcc = Prefix::extract($_[7]);
1179 $wwv_dxcc = $dxcc[1]->dxcc;
1180 $wwv_itu = $dxcc[1]->itu;
1181 $wwv_cq = $dxcc[1]->cq;
1183 @dxcc = Prefix::extract($_[8]);
1185 $org_dxcc = $dxcc[1]->dxcc;
1186 $org_itu = $dxcc[1]->itu;
1187 $org_cq = $dxcc[1]->cq;
1190 # send it if it isn't the except list and isn't isolated and still has a hop count
1191 # taking into account filtering and so on
1192 foreach $dxchan (@dxchan) {
1193 next if $dxchan == $self;
1194 next if $dxchan == $me;
1196 my ($filter, $hops);
1198 if ($dxchan->{wwvfilter}) {
1199 ($filter, $hops) = $dxchan->{wwvfilter}->it(@_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1200 next unless $filter;
1202 if ($dxchan->is_node) {
1205 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1207 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1208 next unless $routeit;
1211 $dxchan->send($routeit) if $routeit;
1213 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1216 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
1217 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1218 $buf .= "\a\a" if $dxchan->{beep};
1219 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1220 $dxchan->send($buf);
1222 $dxchan->delay($buf);
1232 my @dxchan = DXChannel->get_all();
1234 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1235 my @dxcc = Prefix::extract($_[11]);
1237 $wcy_dxcc = $dxcc[1]->dxcc;
1238 $wcy_itu = $dxcc[1]->itu;
1239 $wcy_cq = $dxcc[1]->cq;
1241 @dxcc = Prefix::extract($_[12]);
1243 $org_dxcc = $dxcc[1]->dxcc;
1244 $org_itu = $dxcc[1]->itu;
1245 $org_cq = $dxcc[1]->cq;
1248 # send it if it isn't the except list and isn't isolated and still has a hop count
1249 # taking into account filtering and so on
1250 foreach $dxchan (@dxchan) {
1251 next if $dxchan == $me;
1253 my ($filter, $hops);
1255 if ($dxchan->{wcyfilter}) {
1256 ($filter, $hops) = $dxchan->{wcyfilter}->it(@_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1257 next unless $filter;
1259 if ($dxchan->is_clx || $dxchan->is_spider || $dxchan->is_dxnet) {
1262 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1264 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1265 next unless $routeit;
1268 $dxchan->send($routeit) if $routeit;
1270 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1272 } elsif ($dxchan->is_user && $dxchan->{wcy}) {
1273 my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1274 $buf .= "\a\a" if $dxchan->{beep};
1275 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1276 $dxchan->send($buf);
1278 $dxchan->delay($buf);
1289 my @dxchan = DXChannel->get_all();
1291 my $text = unpad($_[2]);
1295 if ($_[3] eq '*') { # sysops
1297 } elsif ($_[3] gt ' ') { # speciality list handling
1298 my ($name) = split /\./, $_[3];
1299 $target = "$name"; # put the rest in later (if bothered)
1306 $target = "ALL" if !$target;
1308 Log('ann', $target, $_[0], $text);
1310 # obtain country codes etc
1311 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1312 my @dxcc = Prefix::extract($_[0]);
1314 $ann_dxcc = $dxcc[1]->dxcc;
1315 $ann_itu = $dxcc[1]->itu;
1316 $ann_cq = $dxcc[1]->cq;
1318 @dxcc = Prefix::extract($_[4]);
1320 $org_dxcc = $dxcc[1]->dxcc;
1321 $org_itu = $dxcc[1]->itu;
1322 $org_cq = $dxcc[1]->cq;
1325 # send it if it isn't the except list and isn't isolated and still has a hop count
1326 # taking into account filtering and so on
1327 foreach $dxchan (@dxchan) {
1328 next if $dxchan == $self;
1329 next if $dxchan == $me;
1331 my ($filter, $hops);
1333 if ($dxchan->{annfilter}) {
1334 ($filter, $hops) = $dxchan->{annfilter}->it(@_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1335 next unless $filter;
1337 if ($dxchan->is_node && $_[1] ne $main::mycall) { # i.e not specifically routed to me
1340 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1342 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1343 next unless $routeit;
1346 $dxchan->send($routeit) if $routeit;
1348 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1351 } elsif ($dxchan->is_user) {
1352 unless ($dxchan->{ann}) {
1353 next if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
1355 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
1356 my $buf = "$to$target de $_[0]: $text";
1358 $buf .= "\a\a" if $dxchan->{beep};
1359 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1360 $dxchan->send($buf);
1362 $dxchan->delay($buf);
1368 sub send_local_config
1377 if ($self->{isolate}) {
1378 @localcalls = ( $main::mycall );
1380 # create a list of all the nodes that are not connected to this connection
1381 # and are not themselves isolated, this to make sure that isolated nodes
1382 # don't appear outside of this node
1383 my @dxchan = grep { $_->call ne $main::mycall && $_->call ne $self->{call} && !$_->{isolate} } DXChannel::get_all_nodes();
1384 @localcalls = map { $_->{call} } @dxchan if @dxchan;
1385 @remotecalls = map {my $r = Route::Node::get($_); $r ? $r->rnodes(@localcalls, $main::mycall, $self->{call}) : () } @localcalls if @localcalls;
1386 unshift @localcalls, $main::mycall;
1388 @nodes = map {my $r = Route::Node::get($_); $r ? $r : ()} (@localcalls, @remotecalls);
1390 send_route($self, \&pc19, scalar @nodes, @nodes);
1392 # get all the users connected on the above nodes and send them out
1393 foreach $n (@nodes) {
1394 send_route($self, \&pc16, 1, $n, map {my $r = Route::User::get($_); $r ? ($r) : ()} $n->users);
1399 # route a message down an appropriate interface for a callsign
1401 # is called route(to, pcline);
1405 my ($self, $call, $line) = @_;
1407 if (ref $self && $call eq $self->{call}) {
1408 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1412 # always send it down the local interface if available
1413 my $dxchan = DXChannel->get($call);
1415 my $cl = Route::Node::get($call);
1416 $dxchan = $cl->dxchan if $cl;
1418 if (ref $self && $dxchan eq $self) {
1419 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1425 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1427 $dxchan->send($routeit);
1430 dbg('chan', "PCPROT: No route available, dropped");
1434 # broadcast a message to all clusters taking into account isolation
1435 # [except those mentioned after buffer]
1438 my $s = shift; # the line to be rebroadcast
1439 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1440 my @dxchan = DXChannel::get_all_nodes();
1443 # send it if it isn't the except list and isn't isolated and still has a hop count
1444 foreach $dxchan (@dxchan) {
1445 next if grep $dxchan == $_, @except;
1446 next if $dxchan == $me;
1448 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1449 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1453 # broadcast a message to all clusters ignoring isolation
1454 # [except those mentioned after buffer]
1455 sub broadcast_all_ak1a
1457 my $s = shift; # the line to be rebroadcast
1458 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1459 my @dxchan = DXChannel::get_all_nodes();
1462 # send it if it isn't the except list and isn't isolated and still has a hop count
1463 foreach $dxchan (@dxchan) {
1464 next if grep $dxchan == $_, @except;
1465 next if $dxchan == $me;
1467 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1468 $dxchan->send($routeit);
1472 # broadcast to all users
1473 # storing the spot or whatever until it is in a state to receive it
1476 my $s = shift; # the line to be rebroadcast
1477 my $sort = shift; # the type of transmission
1478 my $fref = shift; # a reference to an object to filter on
1479 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1480 my @dxchan = DXChannel::get_all_users();
1484 foreach $dxchan (@dxchan) {
1485 next if grep $dxchan == $_, @except;
1488 broadcast_list($s, $sort, $fref, @out);
1491 # broadcast to a list of users
1499 foreach $dxchan (@_) {
1501 next if $dxchan == $me;
1503 if ($sort eq 'dx') {
1504 next unless $dxchan->{dx};
1505 ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
1506 next unless $filter;
1508 next if $sort eq 'ann' && !$dxchan->{ann};
1509 next if $sort eq 'wwv' && !$dxchan->{wwv};
1510 next if $sort eq 'wcy' && !$dxchan->{wcy};
1511 next if $sort eq 'wx' && !$dxchan->{wx};
1513 $s =~ s/\a//og unless $dxchan->{beep};
1515 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1525 # obtain the hops from the list for this callsign and pc no
1531 my $hops = $DXProt::hopcount{$pcno};
1532 $hops = $DXProt::def_hopcount if !$hops;
1537 # adjust the hop count on a per node basis using the user loadable
1538 # hop table if available or else decrement an existing one
1545 my $call = $self->{call};
1548 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1549 my ($pcno) = $s =~ /^PC(\d\d)/o;
1550 confess "$call called adjust_hops with '$s'" unless $pcno;
1551 my $ref = $nodehops{$call} if %nodehops;
1553 my $newhops = $ref->{$pcno};
1554 return "" if defined $newhops && $newhops == 0;
1555 $newhops = $ref->{default} unless $newhops;
1556 return "" if defined $newhops && $newhops == 0;
1557 $newhops = $hops if !$newhops;
1558 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1560 # simply decrement it
1562 return "" if !$hops;
1563 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1575 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1576 do "$main::data/hop_table.pl";
1582 # add a ping request to the ping queues
1585 my ($from, $to) = @_;
1586 my $ref = $pings{$to} || [];
1589 $r->{t} = [ gettimeofday ];
1590 route(undef, $to, pc51($to, $main::mycall, 1));
1595 # add a rcmd request to the rcmd queues
1598 my ($self, $to, $cmd) = @_;
1601 $r->{call} = $self->{call};
1602 $r->{t} = $main::systime;
1606 my $ref = Route::Node::get($to);
1607 my $dxchan = $ref->dxchan;
1608 if ($dxchan && $dxchan->is_clx) {
1609 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1611 route(undef, $to, pc34($main::mycall, $to, $cmd));
1618 my $pc39flag = shift;
1619 my $call = $self->call;
1621 unless ($pc39flag && $pc39flag == 1) {
1622 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1626 # my $node = Route::Node::get($self->{call});
1627 # my @rout = $node->del_nodes if $node;
1628 my @rout = $main::routeroot->del_node($call);
1629 dbg('route', "B/C PC21 (from PC39) for: " . join(',', (map{ $_->call } @rout))) if @rout;
1631 # unbusy and stop and outgoing mail
1632 my $mref = DXMsg::get_busy($call);
1633 $mref->stop_msg($call) if $mref;
1635 # broadcast to all other nodes that all the nodes connected to via me are gone
1636 unless ($pc39flag && $pc39flag == 2) {
1637 $self->route_pc21(@rout) if @rout;
1640 # remove outstanding pings
1641 delete $pings{$call};
1643 # I was the last node visited
1644 $self->user->node($main::mycall);
1646 # send info to all logged in thingies
1647 $self->tell_login('logoutn');
1649 Log('DXProt', $call . " Disconnected");
1651 $self->SUPER::disconnect;
1656 # send a talk message to this thingy
1660 my ($self, $from, $to, $via, $line) = @_;
1662 $line =~ s/\^/\\5E/g; # remove any ^ characters
1663 $self->send(DXProt::pc10($from, $to, $via, $line));
1664 Log('talk', $self->call, $from, $via?$via:$main::mycall, $line);
1667 # send it if it isn't the except list and isn't isolated and still has a hop count
1668 # taking into account filtering and so on
1672 my $generate = shift;
1673 my $no = shift; # the no of things to filter on
1675 my ($filter, $hops);
1678 if ($self->{routefilter}) {
1679 for (; @_ && $no; $no--) {
1681 ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1682 push @rin, $r if $filter;
1686 foreach my $line (&$generate(@rin, @_)) {
1689 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1691 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1692 next unless $routeit;
1694 $self->send($routeit) unless $self->{isolate} || $self->{isolate};
1702 my $generate = shift;
1703 my @dxchan = DXChannel::get_all_nodes();
1707 foreach $dxchan (@dxchan) {
1708 next if $dxchan == $self;
1709 next if $dxchan == $me;
1710 $dxchan->send_route($generate, @_);
1717 broadcast_route($self, \&pc16, 1, @_);
1723 broadcast_route($self, \&pc17, 1, @_);
1729 broadcast_route($self, \&pc19, scalar @_, @_);
1735 broadcast_route($self, \&pc21, scalar @_, @_);