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+\^//;
307 $_[0] =~ s/^PC91\^[-A-Z0-9]+\^\d+\^[-A-Z0-9]+\^//;
315 # $self->SUPER::send($line);
320 # This is the normal pcxx despatcher
324 my ($self, $line) = @_;
326 # remove any incoming PC90 frames
329 my @field = split /\^/, $line;
330 return unless @field;
332 pop @field if $field[-1] eq '~';
334 # print join(',', @field), "\n";
337 # process PC frames, this will fail unless the frame starts PCnn
338 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
339 unless (defined $pcno && $pcno >= 10 && $pcno <= 99) {
340 dbg("PCPROT: unknown protocol") if isdbg('chanerr');
344 # check for and dump bad protocol messages
345 my $n = check($pcno, @field);
347 dbg("PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")") if isdbg('chanerr');
351 my $origin = $self->{call};
353 my $sub = "handle_$pcno";
355 if ($self->can($sub)) {
356 $self->$sub($pcno, $line, $origin, @field);
358 $self->handle_default($pcno, $line, $origin, @field);
362 # incoming talk commands
371 return if $rspfcheck and !$self->rspfcheck(0, $_[6], $_[1]);
373 # will we allow it at all?
376 if (@bad = BadWords::check($_[3])) {
377 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
382 # is it for me or one of mine?
383 my ($from, $to, $via, $call, $dxchan);
392 # if this is a 'nodx' node then ignore it
393 if ($badnode->in($_[6]) || ($via && $badnode->in($via))) {
394 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
398 # if this is a 'bad spotter' user then ignore it
400 $nossid =~ s/-\d+$//;
401 if ($badspotter->in($nossid)) {
402 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
406 # if we are converting announces to talk is it a dup?
408 if (AnnTalk::is_talk_candidate($from, $_[3]) && AnnTalk::dup($from, $to, $_[3])) {
409 dbg("DXPROT: Dupe talk from announce, dropped") if isdbg('chanerr');
414 # it is here and logged on
415 $dxchan = DXChannel->get($main::myalias) if $to eq $main::mycall;
416 $dxchan = DXChannel->get($to) unless $dxchan;
417 if ($dxchan && $dxchan->is_user) {
419 $dxchan->talk($from, $to, $via, $_[3]);
423 # is it elsewhere, visible on the cluster via the to address?
424 # note: this discards the via unless the to address is on
427 if ($ref = Route::get($to)) {
428 $vref = Route::Node::get($via) if $via;
429 $vref = undef unless $vref && grep $to eq $_, $vref->users;
430 $ref->dxchan->talk($from, $to, $vref ? $via : undef, $_[3], $_[6]);
434 # not visible here, send a message of condolence
436 $ref = Route::get($from);
437 $vref = $ref = Route::Node::get($_[6]) unless $ref;
439 $dxchan = $ref->dxchan;
440 $dxchan->talk($main::mycall, $from, $vref ? $vref->call : undef, $dxchan->msg('talknh', $to) );
452 # route 'foreign' pc26s
454 if ($_[7] ne $main::mycall) {
455 $self->route($_[7], $line);
461 # return if $rspfcheck and !$self->rspfcheck(1, $_[7], $_[6]);
463 # if this is a 'nodx' node then ignore it
464 if ($badnode->in($_[7])) {
465 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
469 # if this is a 'bad spotter' user then ignore it
471 $nossid =~ s/-\d+$//;
472 if ($badspotter->in($nossid)) {
473 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
477 # convert the date to a unix date
478 my $d = cltounix($_[3], $_[4]);
479 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
480 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
481 dbg("PCPROT: Spot ignored, invalid date or out of range ($_[3] $_[4])\n") if isdbg('chanerr');
486 if ($baddx->in($_[2]) || BadWords::check($_[2]) || $_[2] =~ /COCK/) {
487 dbg("PCPROT: Bad DX spot, ignored") if isdbg('chanerr');
492 $_[5] =~ s/^\s+//; # take any leading blanks off
493 $_[2] = unpad($_[2]); # take off leading and trailing blanks from spotted callsign
494 if ($_[2] =~ /BUST\w*$/) {
495 dbg("PCPROT: useless 'BUSTED' spot") if isdbg('chanerr');
500 if (@bad = BadWords::check($_[5])) {
501 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
507 my @spot = Spot::prepare($_[1], $_[2], $d, $_[5], $_[6], $_[7]);
508 # global spot filtering on INPUT
509 if ($self->{inspotsfilter}) {
510 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
512 dbg("PCPROT: Rejected by input spot filter") if isdbg('chanerr');
517 # this goes after the input filtering, but before the add
518 # so that if it is input filtered, it isn't added to the dup
519 # list. This allows it to come in from a "legitimate" source
520 if (Spot::dup($_[1], $_[2], $d, $_[5], $_[6])) {
521 dbg("PCPROT: Duplicate Spot ignored\n") if isdbg('chanerr');
529 # @spot at this point contains:-
530 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
531 # then spotted itu, spotted cq, spotters itu, spotters cq
532 # you should be able to route on any of these
535 # fix up qra locators of known users
536 my $user = DXUser->get_current($spot[4]);
538 my $qra = $user->qra;
539 unless ($qra && is_qra($qra)) {
540 my $lat = $user->lat;
541 my $long = $user->long;
542 if (defined $lat && defined $long) {
543 $user->qra(DXBearing::lltoqra($lat, $long));
548 # send a remote command to a distant cluster if it is visible and there is no
549 # qra locator and we havn't done it for a month.
551 unless ($user->qra) {
553 my $to = $user->homenode;
554 my $last = $user->lastoper || 0;
555 if ($send_opernam && $to && $to ne $main::mycall && $main::systime > $last + $DXUser::lastoperinterval && ($node = Route::Node::get($to)) ) {
556 my $cmd = "forward/opernam $spot[4]";
557 # send the rcmd but we aren't interested in the replies...
558 my $dxchan = $node->dxchan;
559 if ($dxchan && $dxchan->is_clx) {
560 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
562 route(undef, $to, pc34($main::mycall, $to, $cmd));
566 $node = Route::Node::get($to);
568 $dxchan = $node->dxchan;
569 if ($dxchan && $dxchan->is_clx) {
570 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
572 route(undef, $to, pc34($main::mycall, $to, $cmd));
576 $user->lastoper($main::systime);
585 $r = Local::spot($self, @spot);
587 # dbg("Local::spot1 error $@") if isdbg('local') if $@;
590 # DON'T be silly and send on PC26s!
591 return if $pcno == 26;
593 # send out the filtered spots
594 send_dx_spot($self, $line, @spot) if @spot;
605 # return if $rspfcheck and !$self->rspfcheck(1, $_[5], $_[1]);
607 # announce duplicate checking
608 $_[3] =~ s/^\s+//; # remove leading blanks
612 if (@bad = BadWords::check($_[3])) {
613 dbg("PCPROT: Bad words: @bad, dropped") if isdbg('chanerr');
618 # if this is a 'nodx' node then ignore it
619 if ($badnode->in($_[5])) {
620 dbg("PCPROT: Bad Node, dropped") if isdbg('chanerr');
624 # if this is a 'bad spotter' user then ignore it
626 $nossid =~ s/-\d+$//;
627 if ($badspotter->in($nossid)) {
628 dbg("PCPROT: Bad Spotter, dropped") if isdbg('chanerr');
634 if ((($dxchan = DXChannel->get($_[2])) && $dxchan->is_user) || $_[4] =~ /^[\#\w.]+$/){
635 $self->send_chat($line, @_[1..6]);
636 } elsif ($_[2] eq '*' || $_[2] eq $main::mycall) {
638 # ignore something that looks like a chat line coming in with sysop
639 # flag - this is a kludge...
640 if ($_[3] =~ /^\#\d+ / && $_[4] eq '*') {
641 dbg('PCPROT: Probable chat rewrite, dropped') if isdbg('chanerr');
645 # here's a bit of fun, convert incoming ann with a callsign in the first word
646 # or one saying 'to <call>' to a talk if we can route to the recipient
648 my $call = AnnTalk::is_talk_candidate($_[1], $_[3]);
650 my $ref = Route::get($call);
652 $dxchan = $ref->dxchan;
653 $dxchan->talk($_[1], $call, undef, $_[3], $_[5]) if $dxchan != $self;
660 $self->send_announce($line, @_[1..6]);
662 $self->route($_[2], $line);
678 my $newline = "PC16^";
680 # do I want users from this channel?
681 unless ($self->user->wantpc16) {
682 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
687 if ($ncall eq $main::mycall) {
688 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
692 # do we believe this call?
693 next unless $ncall eq $self->{call} || $self->is_believed($ncall);
695 my $node = Route::Node::get($ncall);
697 dbg("PCPROT: Node $ncall not in config") if isdbg('chanerr');
701 # dedupe only that which we potentially process
702 if (eph_dup($line)) {
703 dbg("PCPROT: dup PC16 detected") if isdbg('chanerr');
710 for ($i = 2; $i < $#_; $i++) {
711 my ($call, $conf, $here) = $_[$i] =~ /^(\S+) (\S) (\d)/o;
712 next unless $call && $conf && defined $here && is_callsign($call);
713 next if $call eq $main::mycall;
715 eph_del_regex("^PC17\\^$call\\^$ncall");
717 $conf = $conf eq '*';
719 # reject this if we think it is a node already
720 my $r = Route::Node::get($call);
721 my $u = DXUser->get_current($call) unless $r;
722 if ($r || ($u && $u->is_node)) {
723 dbg("PCPROT: $call is a node") if isdbg('chanerr');
727 $r = Route::User::get($call) || Route::User::get($call);
730 $node->lastseen($main::systime);
732 push @new, $node->add_user($r);
734 # add this station to the user database, if required
735 $call =~ s/-\d+$//o; # remove ssid for users
736 my $user = DXUser->get_current($call);
737 $user = DXUser->new($call) if !$user;
738 $user->homenode($node->call) if !$user->homenode;
739 $user->node($node->call);
740 $user->lastin($main::systime) unless DXChannel->get($call);
743 $self->route_pc16($origin, $line, $node, @new) if @new;
757 eph_del_regex("^PC16\\^$ncall.*$ucall");
759 # do I want users from this channel?
760 unless ($self->user->wantpc16) {
761 dbg("PCPROT: don't send users to $self->{call}") if isdbg('chanerr');
764 if ($ncall eq $main::mycall) {
765 dbg("PCPROT: trying to alter config on this node from outside!") if isdbg('chanerr');
769 # do we believe this call?
770 next unless $ncall eq $self->{call} || $self->is_believed($ncall);
772 my $uref = Route::User::get($ucall);
774 dbg("PCPROT: Route::User $ucall not in config") if isdbg('chanerr');
776 my $node = Route::Node::get($ncall);
778 dbg("PCPROT: Route::Node $ncall not in config") if isdbg('chanerr');
781 return unless $node && $uref;
785 if ($self->in_filter_route($node)) {
787 if (eph_dup($line)) {
788 dbg("PCPROT: dup PC17 detected") if isdbg('chanerr');
791 push @new, $node->del_user($uref);
794 $self->route_pc17($origin, $line, $node, $uref) if @new;
796 # get rid of orphaned users;
807 $self->state('init');
809 # record the type and version offered
810 if ($_[1] =~ /DXSpider Version: (\d+\.\d+) Build: (\d+\.\d+)/) {
811 $self->version(53 + $1);
812 $self->user->version(53 + $1);
813 $self->build(0 + $2);
814 $self->user->build(0 + $2);
815 unless ($self->is_spider) {
816 $self->user->sort('S');
821 $self->version(50.0);
822 $self->version($_[2] / 100) if $_[2] && $_[2] =~ /^\d+$/;
823 $self->user->version($self->version);
825 $self->newroute( $_[1] =~ /NewRoute/ );
827 # first clear out any nodes on this dxchannel
828 my $parent = Route::Node::get($self->{call});
829 my @rout = $parent->del_nodes;
830 $self->route_pc21($origin, $line, @rout, $parent) if @rout;
831 $self->send_local_config();
835 # incoming cluster list
844 my $newline = "PC19^";
846 if (eph_dup($line)) {
847 dbg("PCPROT: dup PC19 detected") if isdbg('chanerr');
854 # first get the INTERFACE node
855 my $parent = Route::Node::get($self->{call});
857 dbg("DXPROT: my parent $self->{call} has disappeared");
865 for ($i = 1; $i < $#_-1; $i += 4) {
867 my $call = uc $_[$i+1];
870 next unless defined $here && defined $conf && is_callsign($call);
872 # check for sane parameters
873 # $ver = 5000 if $ver eq '0000';
874 next if $ver < 5000; # only works with version 5 software
875 next if length $call < 3; # min 3 letter callsigns
876 next if $call eq $main::mycall;
878 # do we believe this call?
879 next unless $call eq $self->{call} || $self->is_believed($call);
881 eph_del_regex("^PC(?:21\\^$call|17\\^[^\\^]+\\^$call)");
883 # add this station to the user database, if required (don't remove SSID from nodes)
884 my $user = DXUser->get_current($call);
886 $user = DXUser->new($call);
888 $user->priv(1); # I have relented and defaulted nodes
890 $user->homenode($call);
893 $user->wantroutepc19(1) unless defined $user->wantroutepc19;
895 my $r = Route::Node::get($call) || Route::Node->new($call);
899 $r->lastseen($main::systime);
901 if ($self->in_filter_route($r)) {
902 push @new, $parent->link_node($r, $self);
906 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
907 my $mref = DXMsg::get_busy($call);
908 $mref->stop_msg($call) if $mref;
910 $user->lastin($main::systime) unless DXChannel->get($call);
914 # route out new nodes to legacy nodes
915 $self->route_pc19($origin, $line, @new) if @new;
916 $self->route_pc59('A', 0, $self->{call}, @rout) if @rout;
919 # send local configuration
926 $self->send_local_config();
928 $self->state('normal');
929 $self->{lastping} = 0;
932 # delete a cluster from the list
941 return if $call eq $main::mycall; # don't allow malicious buggers to disconnect me (or ignore loops)!
943 eph_del_regex("^PC1[679].*$call");
945 # if I get a PC21 from the same callsign as self then treat it
946 # as a PC39: I have gone away
947 if ($call eq $self->call) {
948 $self->disconnect(1);
954 my $parent = Route::Node::get($self->{call});
956 dbg("DXPROT: my parent $self->{call} has disappeared");
962 my $node = Route::Node::get($call);
964 $node->lastseen($main::systime);
967 return unless $self->in_filter_route($node);
969 push @new, $node->link_node($parent, $self);
972 $self->route_pc21($origin, $line, @new) if @new;
973 $self->route_pc59('D', 0, $self->{call}, @rout) if @rout;
975 # get rid of orphaned nodes;
986 $self->state('normal');
987 $self->{lastping} = 0;
998 # route foreign' pc27s
1000 if ($_[8] ne $main::mycall) {
1001 $self->route($_[8], $line);
1006 # only do a rspf check on PC23 (not 27)
1008 return if $rspfcheck and !$self->rspfcheck(1, $_[8], $_[7])
1012 my $d = cltounix($_[1], sprintf("%02d18Z", $_[2]));
1013 my $sfi = unpad($_[3]);
1014 my $k = unpad($_[4]);
1015 my $i = unpad($_[5]);
1016 my ($r) = $_[6] =~ /R=(\d+)/;
1018 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1019 dbg("PCPROT: WWV Date ($_[1] $_[2]) out of range") if isdbg('chanerr');
1022 if (Geomag::dup($d,$sfi,$k,$i,$_[6])) {
1023 dbg("PCPROT: Dup WWV Spot ignored\n") if isdbg('chanerr');
1026 $_[7] =~ s/-\d+$//o; # remove spotter's ssid
1028 my $wwv = Geomag::update($d, $_[2], $sfi, $k, $i, @_[6..8], $r);
1032 $rep = Local::wwv($self, $_[1], $_[2], $sfi, $k, $i, @_[6..8], $r);
1034 # dbg("Local::wwv2 error $@") if isdbg('local') if $@;
1037 # DON'T be silly and send on PC27s!
1038 return if $pcno == 27;
1040 # broadcast to the eager world
1041 send_wwv_spot($self, $line, $d, $_[2], $sfi, $k, $i, @_[6..8]);
1051 my $call = uc $_[1];
1053 $nref = Route::Node::get($call);
1054 $uref = Route::User::get($call);
1055 return unless $nref || $uref; # if we don't know where they are, it's pointless sending it on
1057 if (eph_dup($line)) {
1058 dbg("PCPROT: Dup PC24 ignored\n") if isdbg('chanerr');
1062 $nref->here($_[2]) if $nref;
1063 $uref->here($_[2]) if $uref;
1064 my $ref = $nref || $uref;
1065 return unless $self->in_filter_route($ref);
1067 $self->route_pc24($origin, $line, $ref, $_[3]);
1077 if ($_[1] ne $main::mycall) {
1078 $self->route($_[1], $line);
1081 if ($_[2] eq $main::mycall) {
1082 dbg("PCPROT: Trying to merge to myself, ignored") if isdbg('chanerr');
1086 Log('DXProt', "Merge request for $_[3] spots and $_[4] WWV from $_[2]");
1090 my @in = reverse Spot::search(1, undef, undef, 0, $_[3]);
1093 $self->send(pc26(@{$in}[0..4], $_[2]));
1099 my @in = reverse Geomag::search(0, $_[4], time, 1);
1102 $self->send(pc27(@{$in}[0..5], $_[2]));
1107 sub handle_26 {goto &handle_11}
1108 sub handle_27 {goto &handle_23}
1110 # mail/file handling
1117 if ($_[1] eq $main::mycall) {
1119 my $sub = "DXMsg::handle_$pcno";
1122 $self->route($_[1], $line) unless $self->is_clx;
1126 sub handle_29 {goto &handle_28}
1127 sub handle_30 {goto &handle_28}
1128 sub handle_31 {goto &handle_28}
1129 sub handle_32 {goto &handle_28}
1130 sub handle_33 {goto &handle_28}
1138 if (eph_dup($line, $eph_pc34_restime)) {
1139 dbg("PCPROT: dupe PC34, ignored") if isdbg('chanerr');
1141 $self->process_rcmd($_[1], $_[2], $_[2], $_[3]);
1145 # remote command replies
1152 eph_del_regex("^PC35\\^$_[2]\\^$_[1]\\^");
1153 $self->process_rcmd_reply($_[1], $_[2], $_[1], $_[3]);
1156 sub handle_36 {goto &handle_34}
1165 if ($_[1] eq $main::mycall) {
1167 my $sub = "DXDb::handle_$pcno";
1170 $self->route($_[1], $line) unless $self->is_clx;
1174 # node connected list from neighbour
1183 # incoming disconnect
1190 if ($_[1] eq $self->{call}) {
1191 $self->disconnect(1);
1193 dbg("PCPROT: came in on wrong channel") if isdbg('chanerr');
1197 sub handle_40 {goto &handle_28}
1209 $l =~ s/[\x00-\x20\x7f-\xff]+//g; # remove all funny characters and spaces for dup checking
1210 if (eph_dup($l, $eph_info_restime)) {
1211 dbg("PCPROT: dup PC41, ignored") if isdbg('chanerr');
1215 # input filter if required
1216 # my $ref = Route::get($call) || Route->new($call);
1217 # return unless $self->in_filter_route($ref);
1219 if ($_[3] eq $_[2] || $_[3] =~ /^\s*$/) {
1220 dbg('PCPROT: invalid value') if isdbg('chanerr');
1224 # add this station to the user database, if required
1225 my $user = DXUser->get_current($call);
1226 $user = DXUser->new($call) unless $user;
1230 } elsif ($_[2] == 2) {
1232 } elsif ($_[2] == 3) {
1233 if (is_latlong($_[3])) {
1234 my ($lat, $long) = DXBearing::stoll($_[3]);
1237 $user->qra(DXBearing::lltoqra($lat, $long));
1239 dbg('PCPROT: not a valid lat/long') if isdbg('chanerr');
1242 } elsif ($_[2] == 4) {
1243 $user->homenode($_[3]);
1244 } elsif ($_[2] == 5) {
1245 if (is_qra(uc $_[3])) {
1246 my ($lat, $long) = DXBearing::qratoll(uc $_[3]);
1249 $user->qra(uc $_[3]);
1251 dbg('PCPROT: not a valid QRA locator') if isdbg('chanerr');
1255 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
1258 unless ($self->{isolate}) {
1259 DXChannel::broadcast_nodes($line, $self); # send it to everyone but me
1262 # perhaps this IS what we want after all
1263 # $self->route_pc41($ref, $call, $_[2], $_[3], $_[4]);
1266 sub handle_42 {goto &handle_28}
1270 sub handle_44 {goto &handle_37}
1271 sub handle_45 {goto &handle_37}
1272 sub handle_46 {goto &handle_37}
1273 sub handle_47 {goto &handle_37}
1274 sub handle_48 {goto &handle_37}
1276 # message and database
1284 if (eph_dup($line)) {
1285 dbg("PCPROT: Dup PC49 ignored\n") if isdbg('chanerr');
1289 if ($_[1] eq $main::mycall) {
1290 DXMsg::handle_49($self, @_);
1292 $self->route($_[1], $line) unless $self->is_clx;
1296 # keep alive/user list
1305 my $node = Route::Node::get($call);
1307 return unless $node->call eq $self->{call};
1308 $node->usercount($_[2]);
1310 # input filter if required
1311 return unless $self->in_filter_route($node);
1313 $self->route_pc50($origin, $line, $node, $_[2], $_[3]) unless eph_dup($line);
1317 # incoming ping requests/answers
1330 if ($to eq $main::mycall) {
1332 $self->send(pc51($from, $to, '0'));
1334 # it's a reply, look in the ping list for this one
1335 my $ref = $pings{$from};
1337 my $tochan = DXChannel->get($from);
1339 my $r = shift @$ref;
1340 my $dxchan = DXChannel->get($r->{call});
1341 next unless $dxchan;
1342 my $t = tv_interval($r->{t}, [ gettimeofday ]);
1343 if ($dxchan->is_user) {
1344 my $s = sprintf "%.2f", $t;
1345 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
1346 $dxchan->send($dxchan->msg('pingi', $from, $s, $ave))
1347 } elsif ($dxchan->is_node) {
1349 my $nopings = $tochan->user->nopings || $obscount;
1350 push @{$tochan->{pingtime}}, $t;
1351 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
1353 # cope with a missed ping, this means you must set the pingint large enough
1354 if ($t > $tochan->{pingint} && $t < 2 * $tochan->{pingint} ) {
1355 $t -= $tochan->{pingint};
1358 # calc smoothed RTT a la TCP
1359 if (@{$tochan->{pingtime}} == 1) {
1360 $tochan->{pingave} = $t;
1362 $tochan->{pingave} = $tochan->{pingave} + (($t - $tochan->{pingave}) / 6);
1364 $tochan->{nopings} = $nopings; # pump up the timer
1371 if (eph_dup($line)) {
1372 dbg("PCPROT: dup PC51 detected") if isdbg('chanerr');
1375 # route down an appropriate thingy
1376 $self->route($to, $line);
1380 # New style routing handler
1388 return unless eph_dup($line);
1390 my ($sort, $hextime, $ncall) = @_[1,2,3];
1391 if ($ncall eq $main::mycall) {
1392 dbg("PCPROT: ignoring PC59 for me") if isdbg('chan');
1396 # mark myself as NewRoute if I get a PC59
1397 $self->{newroute} = 1 if $ncall eq $self->{call};
1399 # do this once for filtering with a throwaway routing entry if a new node
1400 my $fnode = Route::Node::get($ncall) || Route::new($ncall);
1401 return unless $self->in_filter_route($fnode);
1403 # now do it properly for actions
1404 my $node = Route::Node::get($ncall) || Route::Node::new($ncall);
1406 # find each of the entries (or create new ones)
1408 for my $ent (@_[4..-1]) {
1409 my ($esort, $ehere, $ecall) = unpack "A A A*", $ent;
1412 # create user, if required
1413 my $user = DXUser->get_current($ecall);
1415 $user = DXUser->new($ecall);
1417 $user->priv(1); # I have relented and defaulted nodes
1419 $user->homenode($ncall);
1420 $user->node($ncall);
1422 if ($esort eq 'U') {
1423 $ref = Route::User::get($ecall);
1425 # create user, if required
1426 my $user = DXUser->get_current($ecall);
1428 $user = DXUser->new($ecall);
1430 $user->homenode($ncall);
1431 $user->node($ncall);
1434 $ref = Route::User::new($ecall, 0);
1436 } elsif ($esort eq 'N') {
1437 $ref = Route::Node::get($ecall);
1439 # create user, if required
1440 my $user = DXUser->get_current($ecall);
1442 $user = DXUser->new($ecall);
1443 $user->priv(1); # I have relented and defaulted nodes
1446 $user->homenode($ncall);
1447 $user->node($ncall);
1450 $ref = Route::Node::new($ecall, 0);
1453 dbg("DXPROT: unknown entity type '$esort' on $ecall for node $ncall") if isdbg('chan');
1456 $ref->here($ehere); # might as well set this here
1457 $ref->lastheard($main::systime);
1461 # if it is a delete, disconnect all the entries mentioned
1462 # from this node (which is a parent in this context).
1466 for my $ref (@refs) {
1467 next if $ref->call eq $ncall;
1468 if ($ref->isa('Route::Node')) {
1469 push @delnode, $node->unlink_node($ref, $self);
1470 } elsif ($ref->isa('Route::User')) {
1471 push @deluser, $node->del_user($ref);
1476 # if it is an add, connect all the entries
1480 for my $ref (@refs) {
1481 next if $ref->call eq $ncall;
1482 if ($ref->isa('Route::Node')) {
1483 my $new = $node->link_node($ref, $self);
1484 push @addnode, $new if $new;
1485 } elsif ($ref->isa('Route::User')) {
1486 push @adduser, $node->del_user($ref);
1491 # if it is a configure, unlink all the nodes and users that
1492 # are not in @refs but are in the node, then add all the
1493 # nodes and users that are @refs but not in the node.
1500 for my $r (map {Route::Node::get($_)} $node->nodes) {
1502 push @dn, $r unless grep $_->call eq $r->call, @refs;
1504 for my $r (map {Route::User::get($_)} $node->users) {
1506 push @du, $r unless grep $_->call eq $r->call, @refs;
1510 if ($r->isa('Route::Node')) {
1511 push @an, $r unless grep $r->call eq $_, $node->nodes;
1512 } elsif ($r->isa('Route::User')) {
1513 push @au, $r unless grep $r->call eq $_, $node->users;
1516 push @delnode, $node->unlink_node($_, $self) for @dn;
1517 push @deluser, $node->del_user($_) for @du;
1518 push @addnode, $node->link_node($_, $self) for @an;
1519 push @adduser, $node->add_user($_) for @au;
1523 $self->route_pc21($origin, $line, @delnode) if @delnode;
1524 $self->route_pc19($origin, $line, @addnode) if @addnode;
1525 $self->route_pc17($origin, $line, @deluser) if @deluser;
1526 $self->route_pc16($origin, $line, @adduser) if @adduser;
1528 $self->route_pc59($sort, $hextime, $ncall, @refs) if @refs;
1529 $_->delete for @delnode, @deluser;
1533 # dunno but route it
1541 if ($call ne $main::mycall) {
1542 $self->route($call, $line);
1556 my $d = cltounix($call, sprintf("%02d18Z", $_[2]));
1557 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $_[2] < 0 || $_[2] > 23) {
1558 dbg("PCPROT: WCY Date ($call $_[2]) out of range") if isdbg('chanerr');
1561 @_ = map { unpad($_) } @_;
1563 dbg("PCPROT: Dup WCY Spot ignored\n") if isdbg('chanerr');
1567 my $wcy = WCY::update($d, @_[2..12]);
1571 $rep = Local::wcy($self, @_[1..12]);
1573 # dbg("Local::wcy error $@") if isdbg('local') if $@;
1576 # broadcast to the eager world
1577 send_wcy_spot($self, $line, $d, @_[2..12]);
1580 # remote commands (incoming)
1587 $self->process_rcmd($_[1], $_[2], $_[3], $_[4]);
1590 # remote command replies
1597 $self->process_rcmd_reply($_[1], $_[2], $_[3], $_[4]);
1600 # if get here then rebroadcast the thing with its Hop count decremented (if
1601 # there is one). If it has a hop count and it decrements to zero then don't
1604 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1615 if (eph_dup($line)) {
1616 dbg("PCPROT: Ephemeral dup, dropped") if isdbg('chanerr');
1618 unless ($self->{isolate}) {
1619 DXChannel::broadcast_nodes($line, $self) if $line =~ /\^H\d+\^?~?$/; # send it to everyone but me
1625 # This is called from inside the main cluster processing loop and is used
1626 # for despatching commands that are doing some long processing job
1631 my @dxchan = DXChannel->get_all();
1635 # send out a pc50 on EVERY channel all at once
1636 if ($t >= $last_pc50 + $DXProt::pc50_interval) {
1637 $pc50s = pc50($main::me, scalar DXChannel::get_all_users);
1642 foreach $dxchan (@dxchan) {
1643 next unless $dxchan->is_node();
1644 next if $dxchan == $main::me;
1647 $dxchan->send($pc50s) if $pc50s;
1649 # send a ping out on this channel
1650 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1651 if ($dxchan->{nopings} <= 0) {
1652 $dxchan->disconnect;
1654 addping($main::mycall, $dxchan->call);
1655 $dxchan->{nopings} -= 1;
1656 $dxchan->{lastping} = $t;
1662 if ($t - $last10 >= 10) {
1663 # clean out ephemera
1670 if ($main::systime - 3600 > $last_hour) {
1671 $last_hour = $main::systime;
1676 # finish up a pc context
1680 # some active measures
1688 my @dxchan = DXChannel->get_all();
1691 # send it if it isn't the except list and isn't isolated and still has a hop count
1692 # taking into account filtering and so on
1693 foreach $dxchan (@dxchan) {
1694 next if $dxchan == $main::me;
1695 next if $dxchan == $self && $self->is_node;
1696 $dxchan->dx_spot($line, $self->{isolate}, @_, $self->{call});
1704 my $isolate = shift;
1705 my ($filter, $hops);
1707 if ($self->{spotsfilter}) {
1708 ($filter, $hops) = $self->{spotsfilter}->it(@_);
1709 return unless $filter;
1711 send_prot_line($self, $filter, $hops, $isolate, $line);
1716 my ($self, $filter, $hops, $isolate, $line) = @_;
1722 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1724 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
1725 return unless $routeit;
1728 $self->send($routeit);
1730 $self->send($routeit) unless $self->{isolate} || $isolate;
1739 my @dxchan = DXChannel->get_all();
1741 my @dxcc = ((Prefix::cty_data($_[6]))[0..2], (Prefix::cty_data($_[7]))[0..2]);
1743 # send it if it isn't the except list and isn't isolated and still has a hop count
1744 # taking into account filtering and so on
1745 foreach $dxchan (@dxchan) {
1746 next if $dxchan == $main::me;
1747 next if $dxchan == $self && $self->is_node;
1749 my ($filter, $hops);
1751 $dxchan->wwv($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1759 my $isolate = shift;
1760 my ($filter, $hops);
1762 if ($self->{wwvfilter}) {
1763 ($filter, $hops) = $self->{wwvfilter}->it(@_);
1764 return unless $filter;
1766 send_prot_line($self, $filter, $hops, $isolate, $line)
1773 my @dxchan = DXChannel->get_all();
1775 my @dxcc = ((Prefix::cty_data($_[10]))[0..2], (Prefix::cty_data($_[11]))[0..2]);
1777 # send it if it isn't the except list and isn't isolated and still has a hop count
1778 # taking into account filtering and so on
1779 foreach $dxchan (@dxchan) {
1780 next if $dxchan == $main::me;
1781 next if $dxchan == $self;
1783 $dxchan->wcy($line, $self->{isolate}, @_, $self->{call}, @dxcc);
1791 my $isolate = shift;
1792 my ($filter, $hops);
1794 if ($self->{wcyfilter}) {
1795 ($filter, $hops) = $self->{wcyfilter}->it(@_);
1796 return unless $filter;
1798 send_prot_line($self, $filter, $hops, $isolate, $line) if $self->is_clx || $self->is_spider || $self->is_dxnet;
1806 my @dxchan = DXChannel->get_all();
1810 my $text = unpad($_[2]);
1812 if ($_[3] eq '*') { # sysops
1814 } elsif ($_[3] gt ' ') { # speciality list handling
1815 my ($name) = split /\./, $_[3];
1816 $target = "$name"; # put the rest in later (if bothered)
1823 $target = "ALL" if !$target;
1826 # obtain country codes etc
1827 my @a = Prefix::cty_data($_[0]);
1828 my @b = Prefix::cty_data($_[4]);
1829 if ($self->{inannfilter}) {
1830 my ($filter, $hops) =
1831 $self->{inannfilter}->it(@_, $self->{call},
1833 @b[0..2], $a[3], $b[3]);
1835 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1840 if (AnnTalk::dup($_[0], $_[1], $_[2])) {
1841 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1845 Log('ann', $target, $_[0], $text);
1847 # send it if it isn't the except list and isn't isolated and still has a hop count
1848 # taking into account filtering and so on
1849 foreach $dxchan (@dxchan) {
1850 next if $dxchan == $main::me;
1851 next if $dxchan == $self && $self->is_node;
1852 $dxchan->announce($line, $self->{isolate}, $to, $target, $text, @_, $self->{call},
1853 @a[0..2], @b[0..2]);
1862 $msgid = 1 if $msgid > 999;
1871 my @dxchan = DXChannel->get_all();
1874 my $text = unpad($_[2]);
1877 # munge the group and recast the line if required
1878 if ($target =~ s/\.LST$//) {
1882 # obtain country codes etc
1883 my @a = Prefix::cty_data($_[0]);
1884 my @b = Prefix::cty_data($_[4]);
1885 if ($self->{inannfilter}) {
1886 my ($filter, $hops) =
1887 $self->{inannfilter}->it(@_, $self->{call},
1889 @b[0..2], $a[3], $b[3]);
1891 dbg("PCPROT: Rejected by input announce filter") if isdbg('chanerr');
1896 if (AnnTalk::dup($_[0], $_[1], $_[2], $chatdupeage)) {
1897 dbg("PCPROT: Duplicate Announce ignored") if isdbg('chanerr');
1902 Log('chat', $target, $_[0], $text);
1904 # send it if it isn't the except list and isn't isolated and still has a hop count
1905 # taking into account filtering and so on
1906 foreach $dxchan (@dxchan) {
1907 my $is_ak1a = $dxchan->is_ak1a;
1909 if ($dxchan->is_node) {
1910 next if $dxchan == $main::me;
1911 next if $dxchan == $self;
1912 next unless $dxchan->is_spider || $is_ak1a;
1913 next if $target eq 'LOCAL';
1914 if (!$ak1a_line && $is_ak1a) {
1915 $ak1a_line = DXProt::pc12($_[0], $text, $_[1], "$target.LST");
1919 $dxchan->chat($is_ak1a ? $ak1a_line : $line, $self->{isolate}, $target, $_[1],
1920 $text, @_, $self->{call}, @a[0..2], @b[0..2]);
1928 my $isolate = shift;
1932 my ($filter, $hops);
1934 if ($self->{annfilter}) {
1935 ($filter, $hops) = $self->{annfilter}->it(@_);
1936 return unless $filter;
1938 send_prot_line($self, $filter, $hops, $isolate, $line) unless $_[1] eq $main::mycall;
1947 sub send_local_config
1955 dbg('DXProt::send_local_config') if isdbg('trace');
1957 if ($self->{newroute}) {
1958 my @nodes = $self->{isolate} ? ($main::routeroot) : grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1959 my @users = DXChannel::get_all_users();
1960 $self->send_route($main::mycall, \&pc59c, @nodes+@users+1, (grep { Route::get($_) } $main::routeroot, @nodes, @users));
1963 if ($self->{isolate}) {
1964 @localnodes = ( $main::routeroot );
1965 $self->send_route($main::mycall, \&pc19, 1, $main::routeroot);
1967 # create a list of all the nodes that are not connected to this connection
1968 # and are not themselves isolated, this to make sure that isolated nodes
1969 # don't appear outside of this node
1971 # send locally connected nodes
1972 my @dxchan = grep { $_->call ne $main::mycall && $_ != $self && !$_->{isolate} } DXChannel::get_all_nodes();
1973 @localnodes = map { my $r = Route::Node::get($_->{call}); $r ? $r : () } @dxchan if @dxchan;
1974 $self->send_route($main::mycall, \&pc19, scalar(@localnodes)+1, $main::routeroot, @localnodes);
1977 my @rawintcalls = map { $_->nodes } @localnodes if @localnodes;
1979 for $node (@rawintcalls) {
1980 push @intcalls, $node unless grep $node eq $_, @intcalls;
1982 my $ref = Route::Node::get($self->{call});
1983 my @rnodes = $ref->nodes;
1984 for $node (@intcalls) {
1985 push @remotenodes, Route::Node::get($node) unless grep $node eq $_, @rnodes, @remotenodes;
1987 $self->send_route($main::mycall, \&pc19, scalar(@remotenodes), @remotenodes);
1990 # get all the users connected on the above nodes and send them out
1991 foreach $node ($main::routeroot, @localnodes, @remotenodes) {
1993 my @rout = map {my $r = Route::User::get($_); $r ? ($r) : ()} $node->users;
1994 $self->send_route($main::mycall, \&pc16, 1, $node, @rout) if @rout && $self->user->wantsendpc16;
1996 dbg("sent a null value") if isdbg('chanerr');
2003 # route a message down an appropriate interface for a callsign
2005 # is called route(to, pcline);
2009 my ($self, $call, $line) = @_;
2011 if (ref $self && $call eq $self->{call}) {
2012 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2016 # always send it down the local interface if available
2017 my $dxchan = DXChannel->get($call);
2019 my $cl = Route::get($call);
2020 $dxchan = $cl->dxchan if $cl;
2022 if (ref $self && $dxchan eq $self) {
2023 dbg("PCPROT: Trying to route back to source, dropped") if isdbg('chanerr');
2029 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
2031 $dxchan->send($routeit) unless $dxchan == $main::me;
2034 dbg("PCPROT: No route available, dropped") if isdbg('chanerr');
2039 # obtain the hops from the list for this callsign and pc no
2045 my $hops = $DXProt::hopcount{$pcno};
2046 $hops = $DXProt::def_hopcount if !$hops;
2051 # adjust the hop count on a per node basis using the user loadable
2052 # hop table if available or else decrement an existing one
2059 my $call = $self->{call};
2062 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
2063 my ($pcno) = $s =~ /^PC(\d\d)/o;
2064 confess "$call called adjust_hops with '$s'" unless $pcno;
2065 my $ref = $nodehops{$call} if %nodehops;
2067 my $newhops = $ref->{$pcno};
2068 return "" if defined $newhops && $newhops == 0;
2069 $newhops = $ref->{default} unless $newhops;
2070 return "" if defined $newhops && $newhops == 0;
2071 $newhops = $hops if !$newhops;
2072 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
2074 # simply decrement it
2076 return "" if !$hops;
2077 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
2089 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
2090 do "$main::data/hop_table.pl";
2096 # add a ping request to the ping queues
2099 my ($from, $to) = @_;
2100 my $ref = $pings{$to} || [];
2103 $r->{t} = [ gettimeofday ];
2104 route(undef, $to, pc51($to, $main::mycall, 1));
2111 my ($self, $tonode, $fromnode, $user, $cmd) = @_;
2112 if ($tonode eq $main::mycall) {
2113 my $ref = DXUser->get_current($fromnode);
2114 my $cref = Route::Node::get($fromnode);
2115 Log('rcmd', 'in', $ref->{priv}, $fromnode, $cmd);
2116 if ($cmd !~ /^\s*rcmd/i && $cref && $ref && $cref->call eq $ref->homenode) { # not allowed to relay RCMDS!
2117 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
2118 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
2119 my $oldpriv = $self->{priv};
2120 $self->{priv} = $ref->{priv}; # assume the user's privilege level
2121 my @in = (DXCommandmode::run_cmd($self, $cmd));
2122 $self->{priv} = $oldpriv;
2123 $self->send_rcmd_reply($main::mycall, $fromnode, $user, @in);
2124 delete $self->{remotecmd};
2126 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "sorry...!");
2129 $self->send_rcmd_reply($main::mycall, $fromnode, $user, "your attempt is logged, Tut tut tut...!");
2132 my $ref = DXUser->get_current($tonode);
2133 if ($ref && $ref->is_clx) {
2134 $self->route($tonode, pc84($fromnode, $tonode, $user, $cmd));
2136 $self->route($tonode, pc34($fromnode, $tonode, $cmd));
2141 sub process_rcmd_reply
2143 my ($self, $tonode, $fromnode, $user, $line) = @_;
2144 if ($tonode eq $main::mycall) {
2145 my $s = $rcmds{$fromnode};
2147 my $dxchan = DXChannel->get($s->{call});
2148 my $ref = $user eq $tonode ? $dxchan : (DXChannel->get($user) || $dxchan);
2149 $ref->send($line) if $ref;
2150 delete $rcmds{$fromnode} if !$dxchan;
2152 # send unsolicited ones to the sysop
2153 my $dxchan = DXChannel->get($main::myalias);
2154 $dxchan->send($line) if $dxchan;
2157 my $ref = DXUser->get_current($tonode);
2158 if ($ref && $ref->is_clx) {
2159 $self->route($tonode, pc85($fromnode, $tonode, $user, $line));
2161 $self->route($tonode, pc35($fromnode, $tonode, $line));
2170 my $fromnode = shift;
2175 Log('rcmd', 'out', $fromnode, $line);
2176 if ($self->is_clx) {
2177 $self->send(pc85($main::mycall, $fromnode, $user, "$main::mycall:$line"));
2179 $self->send(pc35($main::mycall, $fromnode, "$main::mycall:$line"));
2184 # add a rcmd request to the rcmd queues
2187 my ($self, $to, $cmd) = @_;
2190 $r->{call} = $self->{call};
2191 $r->{t} = $main::systime;
2195 my $ref = Route::Node::get($to);
2196 my $dxchan = $ref->dxchan;
2197 if ($dxchan && $dxchan->is_clx) {
2198 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
2200 route(undef, $to, pc34($main::mycall, $to, $cmd));
2207 my $pc39flag = shift;
2208 my $call = $self->call;
2210 return if $self->{disconnecting}++;
2212 unless ($pc39flag && $pc39flag == 1) {
2213 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
2216 # get rid of any PC16/17/19
2217 eph_del_regex("^PC1[679]*$call");
2219 # do routing stuff, remove me from routing table
2220 my $node = Route::Node::get($call);
2223 @rout = $node->del($main::routeroot);
2225 # and all my ephemera as well
2228 eph_del_regex("^PC1[679].*$c");
2232 # remove them from the pc19list as well
2233 while (my ($k,$v) = each %pc19list) {
2234 my @l = grep {$_->[0] ne $call} @{$pc19list{$k}};
2236 $pc19list{$k} = \@l;
2238 delete $pc19list{$k};
2242 eph_del_regex("^PC1[679].*$k");
2245 # unbusy and stop and outgoing mail
2246 my $mref = DXMsg::get_busy($call);
2247 $mref->stop_msg($call) if $mref;
2249 # broadcast to all other nodes that all the nodes connected to via me are gone
2250 unless ($pc39flag && $pc39flag == 2) {
2251 $self->route_pc21($main::mycall, undef, @rout) if @rout;
2254 # remove outstanding pings
2255 delete $pings{$call};
2257 # I was the last node visited
2258 $self->user->node($main::mycall);
2260 # send info to all logged in thingies
2261 $self->tell_login('logoutn');
2263 Log('DXProt', $call . " Disconnected");
2265 $self->SUPER::disconnect;
2270 # send a talk message to this thingy
2274 my ($self, $from, $to, $via, $line, $origin) = @_;
2276 $line =~ s/\^/\\5E/g; # remove any ^ characters
2277 $self->send(DXProt::pc10($from, $to, $via, $line, $origin));
2278 Log('talk', $to, $from, $via?$via:$self->call, $line) unless $origin && $origin ne $main::mycall;
2281 # send it if it isn't the except list and isn't isolated and still has a hop count
2282 # taking into account filtering and so on
2288 my $generate = shift;
2289 my $no = shift; # the no of things to filter on
2291 my ($filter, $hops);
2294 for (; @_ && $no; $no--) {
2297 # deal with non routing parameters
2298 unless (ref $r && $r->isa('Route')) {
2304 if (!$self->{isolate} && $self->{routefilter}) {
2307 ($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});
2311 dbg("DXPROT: $self->{call}/" . $r->call . " rejected by output filter") if isdbg('chanerr');
2314 dbg("was sent a null value") if isdbg('chanerr');
2317 push @rin, $r unless $self->{isolate} && $r->call ne $main::mycall;
2321 foreach my $line (&$generate(@rin, @_)) {
2324 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
2326 $routeit = adjust_hops($self, $line); # adjust its hop count by node name
2327 next unless $routeit;
2330 $self->send($routeit);
2339 my $generate = shift;
2341 my @dxchan = DXChannel::get_all_nodes();
2344 unless ($self->{isolate}) {
2345 foreach $dxchan (@dxchan) {
2346 next if $dxchan == $self;
2347 next if $dxchan == $main::me;
2348 next unless $dxchan->isa('DXProt');
2349 next if ($generate == \&pc16 || $generate==\&pc17) && !$dxchan->user->wantsendpc16;
2350 next if ($generate == \&pc19 || $generate==\&pc21) && !$dxchan->user->wantsendpc19;
2351 next if ($generate == \&pc59) && !$dxchan->{newroute};
2353 $dxchan->send_route($origin, $generate, @_);
2361 return unless $self->user->wantpc16;
2364 broadcast_route($self, $origin, \&pc16, $line, 1, @_);
2370 return unless $self->user->wantpc16;
2373 broadcast_route($self, $origin, \&pc17, $line, 1, @_);
2381 broadcast_route($self, $origin, \&pc19, $line, scalar @_, @_);
2389 broadcast_route($self, $origin, \&pc21, $line, scalar @_, @_);
2397 broadcast_route($self, $origin, \&pc24, $line, 1, @_);
2405 broadcast_route($self, $origin, \&pc41, $line, 1, @_);
2413 broadcast_route($self, $origin, \&pc50, $line, 1, @_);
2422 # @_ - 2 because we start with [ACD], hexstamp
2423 broadcast_route($self, $origin, \&pc59, $line, scalar @_ - 2, @_);
2430 my ($filter, $hops) = (1, 1);
2432 if ($self->{inroutefilter}) {
2433 ($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);
2434 dbg("PCPROT: $self->{call}/" . $r->call . ' rejected by in_filter_route') if !$filter && isdbg('chanerr');
2442 my $t = shift || $eph_restime;
2446 $s =~ s/\^H\d\d?\^?\~?$//;
2447 $r = 1 if exists $eph{$s}; # pump up the dup if it keeps circulating
2448 $eph{$s} = $main::systime + $t;
2456 while (($key, $val) = each %eph) {
2457 if ($key =~ m{$regex}) {
2467 while (($key, $val) = each %eph) {
2468 if ($main::systime >= $val) {
2479 while (($key, $val) = each %eph) {
2480 push @out, $key, $val;
2487 goto &DXCommandmode::run_cmd;