3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
31 use vars qw($me $pc11_max_age $pc23_max_age $pc11_dup_age $pc23_dup_age
32 %spotdup %wwvdup $last_hour %pings %rcmds
33 %nodehops @baddx $baddxfn $pc12_dup_age
34 %anndup $allowzero $pc12_dup_lth $decode_dk0wcy);
36 $me = undef; # the channel id for this cluster
37 $decode_dk0wcy = undef; # if set use this callsign to decode announces from the EU WWV data beacon
38 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
39 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
40 $pc11_dup_age = 24*3600; # the maximum time to keep the spot dup list for
41 $pc23_dup_age = 24*3600; # the maximum time to keep the wwv dup list for
42 $pc12_dup_age = 12*3600; # the maximum time to keep the ann dup list for
43 $pc12_dup_lth = 72; # the length of ANN text to save for deduping
44 %spotdup = (); # the pc11 and 26 dup hash
45 %wwvdup = (); # the pc23 and 27 dup hash
46 %anndup = (); # the PC12 dup hash
47 $last_hour = time; # last time I did an hourly periodic update
48 %pings = (); # outstanding ping requests outbound
49 %rcmds = (); # outstanding rcmd requests outbound
50 %nodehops = (); # node specific hop control
51 @baddx = (); # list of illegal spotted callsigns
53 $baddxfn = "$main::data/baddx.pl";
57 my $user = DXUser->get($main::mycall);
58 $DXProt::myprot_version += $main::version*100;
59 $me = DXProt->new($main::mycall, 0, $user);
61 $me->{state} = "indifferent";
62 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
64 # $me->{sort} = 'M'; # M for me
66 # now prime the spot duplicates file with today's and yesterday's data
67 my @today = Julian::unixtoj(time);
68 my @spots = Spot::readfile(@today);
69 @today = Julian::sub(@today, 1);
70 push @spots, Spot::readfile(@today);
72 my $dupkey = "$_->[0]$_->[1]$_->[2]$_->[3]$_->[4]";
73 $spotdup{$dupkey} = $_->[2];
76 # now prime the wwv duplicates file with just this month's data
77 my @wwv = Geomag::readfile(time);
79 my $dupkey = "$_->[1].$_->[2]$_->[3]$_->[4]";
80 $wwvdup{$dupkey} = $_->[1];
84 do "$baddxfn" if -e "$baddxfn";
89 # obtain a new connection this is derived from dxchannel
94 my $self = DXChannel::alloc(@_);
95 $self->{'sort'} = 'A'; # in absence of how to find out what sort of an object I am
99 # this is how a pc connection starts (for an incoming connection)
100 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
101 # all the crap that comes between).
104 my ($self, $line, $sort) = @_;
105 my $call = $self->{call};
106 my $user = $self->{user};
108 # remember type of connection
109 $self->{consort} = $line;
110 $self->{outbound} = $sort eq 'O';
111 $self->{priv} = $user->priv;
112 $self->{lang} = $user->lang;
113 $self->{isolate} = $user->{isolate};
114 $self->{consort} = $line; # save the connection type
117 # get the INPUT filters (these only pertain to Clusters)
118 $self->{inspotfilter} = Filter::read_in('spots', $call, 1);
119 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1);
120 $self->{inannfilter} = Filter::read_in('ann', $call, 1);
122 # set unbuffered and no echo
123 $self->send_now('B',"0");
124 $self->send_now('E',"0");
126 # send initialisation string
127 if (!$self->{outbound}) {
128 $self->send(pc38()) if DXNode->get_all();
131 $self->state('init');
134 Log('DXProt', "$call connected");
138 # This is the normal pcxx despatcher
142 my ($self, $line) = @_;
143 my @field = split /\^/, $line;
144 pop @field if $field[-1] eq '~';
146 # print join(',', @field), "\n";
148 # ignore any lines that don't start with PC
149 return if !$field[0] =~ /^PC/;
152 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
154 return if $pcno < 10 || $pcno > 51;
156 # dump bad protocol messages unless it is a PC29
157 if ($line =~ /\%[0-9A-F][0-9A-F]/o && $pcno != 29) {
158 dbg('chan', "CORRUPT protocol message - dumped");
165 $pcr = Local::pcprot($self, $pcno, @field);
167 # dbg('local', "Local::pcprot error $@") if $@;
171 if ($pcno == 10) { # incoming talk
173 # is it for me or one of mine?
174 my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
175 if ($call eq $main::mycall || grep $_ eq $call, get_all_user_calls()) {
178 my $text = unpad($field[3]);
179 Log('talk', $call, $field[1], $field[6], $text);
180 $call = $main::myalias if $call eq $main::mycall;
181 my $ref = DXChannel->get($call);
182 $ref->send("$call de $field[1]: $text") if $ref && $ref->{talk};
184 route($field[2], $line); # relay it on its way
189 if ($pcno == 11 || $pcno == 26) { # dx spot
191 # route 'foreign' pc26s
193 if ($field[7] ne $main::mycall) {
194 route($field[7], $line);
199 # if this is a 'nodx' node then ignore it
200 if (grep $field[7] =~ /^$_/, @DXProt::nodx_node) {
201 dbg('chan', "Bad DXNode, dropped");
205 # convert the date to a unix date
206 my $d = cltounix($field[3], $field[4]);
207 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
208 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
209 dbg('chan', "Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
213 # strip off the leading & trailing spaces from the comment
214 my $text = unpad($field[5]);
217 my $spotter = $field[6];
218 $spotter =~ s/-[\@\d]+$//o; # strip off the ssid from the spotter
221 my $freq = $field[1] - 0;
222 my $dupkey = "$freq$field[2]$d$text$spotter";
223 if ($spotdup{$dupkey}) {
224 dbg('chan', "Duplicate Spot ignored\n");
228 $spotdup{$dupkey} = $d;
231 if (grep $field[2] eq $_, @baddx) {
232 dbg('chan', "Bad DX spot, ignored");
236 # are any of the crucial fields invalid?
237 if ($field[2] =~ /[a-z]/ || $field[6] =~ /[a-z]/ || $field[7] =~ /[a-z]/) {
238 dbg('chan', "Spot contains lower case callsigns, rejected");
242 my @spot = Spot::add($freq, $field[2], $d, $text, $spotter, $field[7]);
245 # @spot at this point contains:-
246 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
247 # then spotted itu, spotted cq, spotters itu, spotters cq
248 # you should be able to route on any of these
254 $r = Local::spot($self, @spot);
256 # dbg('local', "Local::spot1 error $@") if $@;
259 # DON'T be silly and send on PC26s!
260 return if $pcno == 26;
262 # send out the filtered spots
263 send_dx_spot($self, $line, @spot) if @spot;
267 if ($pcno == 12) { # announces
268 # announce duplicate checking
269 my $text = substr(uc unpad($field[3]), 0, $pc12_dup_lth);
270 my $dupkey = $field[1].$field[2].$text.$field[4].$field[6];
271 if ($anndup{$dupkey}) {
272 dbg('chan', "Duplicate Announce ignored\n");
275 $anndup{$dupkey} = $main::systime;
277 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
279 # global ann filtering on INPUT
280 if ($self->{inannfilter}) {
281 my ($filter, $hops) = Filter::it($self->{inannfilter}, @field[1..6], $self->{call} );
283 dbg('chan', "Rejected by filter");
289 $self->send_announce($line, @field[1..6]);
291 if ($decode_dk0wcy && $field[1] eq $decode_dk0wcy) {
292 my ($hour, $k, $next, $a, $r, $sfi, $alarm) = $field[3] =~ /^Aurora Beacon\s+(\d+)UTC,\s+Kiel\s+K=(\d+),.*ed\s+K=(\d+),\s+A=(\d+),\s+R=(\d+),\s+SFI=(\d+),.*larm:\s+(\w+)/;
293 $alarm = ($alarm =~ /^Y/i) ? ', Aurora in DE' : '';
294 my $wwv = Geomag::update($main::systime, $hour, $sfi, $a, $k, "R=$r, Next K=$next$alarm", $decode_dk0wcy, $field[5], $r);
298 route($field[2], $line);
314 if ($pcno == 16) { # add a user
315 my $node = DXCluster->get_exact($field[1]);
317 if (!$node && ($dxchan = DXChannel->get($field[1]))) {
318 # add it to the node table if it isn't present and it's
320 $node = DXNode->new($dxchan, $field[1], 0, 1, 5400);
322 return unless $node; # ignore if havn't seen a PC19 for this one yet
323 return unless $node->isa('DXNode');
324 if ($node->dxchan != $self) {
325 dbg('chan', "LOOP: $field[1] came in on wrong channel");
328 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
329 dbg('chan', "LOOP: $field[1] connected locally");
334 for ($i = 2; $i < $#field; $i++) {
335 my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
336 next if !$call || length $call < 3 || length $call > 8;
339 next if DXCluster->get_exact($call); # we already have this (loop?)
341 $confmode = $confmode eq '*';
342 DXNodeuser->new($self, $node, $call, $confmode, $here);
344 # add this station to the user database, if required
345 $call =~ s/-\d+$//o; # remove ssid for users
346 my $user = DXUser->get_current($call);
347 $user = DXUser->new($call) if !$user;
348 $user->homenode($node->call) if !$user->homenode;
349 $user->node($node->call);
350 $user->lastin($main::systime) unless DXChannel->get($call);
354 # queue up any messages (look for privates only)
355 DXMsg::queue_msg(1) if $self->state eq 'normal';
359 if ($pcno == 17) { # remove a user
360 my $node = DXCluster->get_exact($field[2]);
362 return unless $node->isa('DXNode');
363 if ($node->dxchan != $self) {
364 dbg('chan', "LOOP: $field[2] came in on wrong channel");
368 if (($dxchan = DXChannel->get($field[2])) && $dxchan != $self) {
369 dbg('chan', "LOOP: $field[2] connected locally");
372 my $ref = DXCluster->get_exact($field[1]);
377 if ($pcno == 18) { # link request
378 $self->state('init');
380 # first clear out any nodes on this dxchannel
381 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
382 foreach my $node (@gonenodes) {
383 next if $node->dxchan == $DXProt::me;
384 broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate};
387 $self->send_local_config();
389 return; # we don't pass these on
392 if ($pcno == 19) { # incoming cluster list
394 my $newline = "PC19^";
395 for ($i = 1; $i < $#field-1; $i += 4) {
396 my $here = $field[$i];
397 my $call = uc $field[$i+1];
398 my $confmode = $field[$i+2];
399 my $ver = $field[$i+3];
401 $ver = 5400 if !$ver && $allowzero;
403 # now check the call over
404 my $node = DXCluster->get_exact($call);
407 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
408 dbg('chan', "LOOP: $call connected locally");
410 if ($node->dxchan != $self) {
411 dbg('chan', "LOOP: $call come in on wrong channel");
414 dbg('chan', "already have $call");
418 # check for sane parameters
419 next if $ver < 5000; # only works with version 5 software
420 next if length $call < 3; # min 3 letter callsigns
422 # add it to the nodes table and outgoing line
423 $newline .= "$here^$call^$confmode^$ver^";
424 DXNode->new($self, $call, $confmode, $here, $ver);
426 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
427 my $mref = DXMsg::get_busy($call);
428 $mref->stop_msg($call) if $mref;
430 # add this station to the user database, if required (don't remove SSID from nodes)
431 my $user = DXUser->get_current($call);
433 $user = DXUser->new($call);
435 $user->priv(1); # I have relented and defaulted nodes
436 $self->{priv} = 1; # to user RCMDs allowed
437 $user->homenode($call);
440 $user->lastin($main::systime) unless DXChannel->get($call);
444 return if $newline eq "PC19^";
447 $newline .= get_hops(19) . "^";
452 if ($pcno == 20) { # send local configuration
453 $self->send_local_config();
455 $self->state('normal');
459 if ($pcno == 21) { # delete a cluster from the list
460 my $call = uc $field[1];
461 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
462 my $node = DXCluster->get_exact($call);
464 if ($node->dxchan != $self) {
465 dbg('chan', "LOOP: $call come in on wrong channel");
469 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
470 dbg('chan', "LOOP: $call connected locally");
475 dbg('chan', "$call not in table, dropped");
483 $self->state('normal');
487 if ($pcno == 23 || $pcno == 27) { # WWV info
489 # route 'foreign' pc27s
491 if ($field[8] ne $main::mycall) {
492 route($field[8], $line);
498 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
499 my $sfi = unpad($field[3]);
500 my $k = unpad($field[4]);
501 my $i = unpad($field[5]);
502 my ($r) = $field[6] =~ /R=(\d+)/;
504 my $dupkey = "$d.$sfi$k$i";
505 if ($wwvdup{$dupkey}) {
506 dbg('chan', "Dup WWV Spot ignored\n");
509 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 900 || $field[2] < 0 || $field[2] > 23) {
510 dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
513 $wwvdup{$dupkey} = $d;
514 $field[6] =~ s/-\d+$//o; # remove spotter's ssid
516 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
520 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
522 # dbg('local', "Local::wwv2 error $@") if $@;
525 # DON'T be silly and send on PC27s!
526 return if $pcno == 27;
528 # broadcast to the eager world
529 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
533 if ($pcno == 24) { # set here status
534 my $call = uc $field[1];
535 my $ref = DXCluster->get_exact($call);
536 $ref->here($field[2]) if $ref;
540 if ($pcno == 25) { # merge request
541 if ($field[1] ne $main::mycall) {
542 route($field[1], $line);
545 if ($field[2] eq $main::mycall) {
546 dbg('chan', "Trying to merge to myself, ignored");
550 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
554 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
557 $self->send(pc26(@{$in}[0..4], $field[2]));
563 my @in = reverse Geomag::search(0, $field[4], time, 1);
566 $self->send(pc27(@{$in}[0..5], $field[2]));
572 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
573 if ($pcno == 49 || $field[1] eq $main::mycall) {
574 DXMsg::process($self, $line);
576 route($field[1], $line);
581 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
582 if ($field[1] eq $main::mycall) {
583 my $ref = DXUser->get_current($field[2]);
584 my $cref = DXCluster->get($field[2]);
585 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
586 unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
587 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
588 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
589 my $oldpriv = $self->{priv};
590 $self->{priv} = $ref->{priv}; # assume the user's privilege level
591 my @in = (DXCommandmode::run_cmd($self, $field[3]));
592 $self->{priv} = $oldpriv;
595 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
596 Log('rcmd', 'out', $field[2], $_);
598 delete $self->{remotecmd};
600 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
603 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
606 route($field[1], $line);
611 if ($pcno == 35) { # remote command replies
612 if ($field[1] eq $main::mycall) {
613 my $s = $rcmds{$field[2]};
615 my $dxchan = DXChannel->get($s->{call});
616 $dxchan->send($field[3]) if $dxchan;
617 delete $rcmds{$field[2]} if !$dxchan;
620 route($field[1], $line);
625 # for pc 37 see 44 onwards
627 if ($pcno == 38) { # node connected list from neighbour
631 if ($pcno == 39) { # incoming disconnect
636 if ($pcno == 41) { # user info
637 # add this station to the user database, if required
638 my $user = DXUser->get_current($field[1]);
640 # then try without an SSID
641 $field[1] =~ s/-\d+$//o;
642 $user = DXUser->get_current($field[1]);
644 $user = DXUser->new($field[1]) if !$user;
646 if ($field[2] == 1) {
647 $user->name($field[3]);
648 } elsif ($field[2] == 2) {
649 $user->qth($field[3]);
650 } elsif ($field[2] == 3) {
651 my ($lat, $long) = DXBearing::stoll($field[3]);
654 } elsif ($field[2] == 4) {
655 $user->homenode($field[3]);
663 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47) {
664 if ($field[1] eq $main::mycall) {
667 route($field[1], $line);
672 if ($pcno == 50) { # keep alive/user list
673 my $node = DXCluster->get_exact($field[1]);
675 return unless $node->isa('DXNode');
676 return unless $node->dxchan == $self;
677 $node->update_users($field[2]);
682 if ($pcno == 51) { # incoming ping requests/answers
685 if ($field[1] eq $main::mycall) {
686 my $flag = $field[3];
688 $self->send(pc51($field[2], $field[1], '0'));
690 # it's a reply, look in the ping list for this one
691 my $ref = $pings{$field[2]};
694 my $dxchan = DXChannel->get($r->{call});
695 $dxchan->send($dxchan->msg('pingi', $field[2], atime($main::systime), $main::systime - $r->{t})) if $dxchan;
700 # route down an appropriate thingy
701 route($field[1], $line);
707 # if get here then rebroadcast the thing with its Hop count decremented (if
708 # there is one). If it has a hop count and it decrements to zero then don't
711 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
715 if (!$self->{isolate}) {
716 broadcast_ak1a($line, $self); # send it to everyone but me
721 # This is called from inside the main cluster processing loop and is used
722 # for despatching commands that are doing some long processing job
727 my @dxchan = DXChannel->get_all();
730 foreach $dxchan (@dxchan) {
731 next unless $dxchan->is_ak1a();
732 next if $dxchan == $me;
734 # send a pc50 out on this channel
735 if ($t >= $dxchan->pc50_t + $DXProt::pc50_interval) {
736 $dxchan->send(pc50());
744 if ($main::systime - 3600 > $last_hour) {
745 $cutoff = $main::systime - $pc11_dup_age;
746 while (($key, $val) = each %spotdup) {
747 delete $spotdup{$key} if $val < $cutoff;
749 $cutoff = $main::systime - $pc23_dup_age;
750 while (($key, $val) = each %wwvdup) {
751 delete $wwvdup{$key} if $val < $cutoff;
753 $cutoff = $main::systime - $pc12_dup_age;
754 while (($key, $val) = each %anndup) {
755 delete $anndup{$key} if $val < $cutoff;
757 $last_hour = $main::systime;
762 # finish up a pc context
767 my $call = $self->call;
768 my $ref = DXCluster->get_exact($call);
770 # unbusy and stop and outgoing mail
771 my $mref = DXMsg::get_busy($call);
772 $mref->stop_msg($call) if $mref;
774 # broadcast to all other nodes that all the nodes connected to via me are gone
775 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
778 foreach $node (@gonenodes) {
779 next if $node->call eq $call;
780 broadcast_ak1a(pc21($node->call, 'Gone') , $self) unless $self->{isolate};
784 # remove outstanding pings
785 delete $pings{$call};
787 # now broadcast to all other ak1a nodes that I have gone
788 broadcast_ak1a(pc21($call, 'Gone.'), $self) unless $self->{isolate};
790 Log('DXProt', $call . " Disconnected");
795 # some active measures
801 my @dxchan = DXChannel->get_all();
804 # send it if it isn't the except list and isn't isolated and still has a hop count
805 # taking into account filtering and so on
806 foreach $dxchan (@dxchan) {
810 if ($dxchan->{spotfilter}) {
811 ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} );
815 if ($dxchan->is_ak1a) {
816 next if $dxchan == $self;
819 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
821 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
822 next unless $routeit;
825 $dxchan->send($routeit) if $routeit;
827 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
829 } elsif ($dxchan->is_user && $dxchan->{dx}) {
830 my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
831 $buf .= "\a\a" if $dxchan->{beep};
832 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
835 $dxchan->delay($buf);
845 my @dxchan = DXChannel->get_all();
848 # send it if it isn't the except list and isn't isolated and still has a hop count
849 # taking into account filtering and so on
850 foreach $dxchan (@dxchan) {
854 if ($dxchan->{spotfilter}) {
855 ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} );
858 if ($dxchan->is_ak1a) {
859 next if $dxchan == $self;
862 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
864 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
865 next unless $routeit;
868 $dxchan->send($routeit) if $routeit;
870 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
873 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
874 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
875 $buf .= "\a\a" if $dxchan->{beep};
876 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
879 $dxchan->delay($buf);
890 my @dxchan = DXChannel->get_all();
892 my $text = unpad($_[2]);
896 if ($_[3] eq '*') { # sysops
898 } elsif ($_[3] gt ' ') { # speciality list handling
899 my ($name) = split /\./, $_[3];
900 $target = "$name"; # put the rest in later (if bothered)
907 $target = "All" if !$target;
909 Log('ann', $target, $_[0], $text);
911 # send it if it isn't the except list and isn't isolated and still has a hop count
912 # taking into account filtering and so on
913 foreach $dxchan (@dxchan) {
917 if ($dxchan->{annfilter}) {
918 ($filter, $hops) = Filter::it($dxchan->{annfilter}, @_, $self->{call} );
921 if ($dxchan->is_ak1a && $_[1] ne $main::mycall) { # i.e not specifically routed to me
922 next if $dxchan == $self;
925 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
927 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
928 next unless $routeit;
931 $dxchan->send($routeit) if $routeit;
933 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
936 } elsif ($dxchan->is_user && $dxchan->{ann}) {
937 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
938 my $buf = "$to$target de $_[0]: $text";
939 $buf .= "\a\a" if $dxchan->{beep};
940 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
943 $dxchan->delay($buf);
949 sub send_local_config
958 if ($self->{isolate}) {
959 @localnodes = (DXCluster->get_exact($main::mycall));
961 # create a list of all the nodes that are not connected to this connection
962 # and are not themselves isolated, this to make sure that isolated nodes
963 # don't appear outside of this node
964 @nodes = DXNode::get_all();
965 @nodes = grep { $_->{call} ne $main::mycall } @nodes;
966 @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
967 @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
968 @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
969 unshift @localnodes, DXCluster->get_exact($main::mycall);
970 @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
973 my @s = $me->pc19(@localnodes, @remotenodes);
975 my $routeit = adjust_hops($self, $_);
976 $self->send($routeit) if $routeit;
979 # get all the users connected on the above nodes and send them out
980 foreach $n (@localnodes, @remotenodes) {
981 my @users = values %{$n->list};
982 my @s = pc16($n, @users);
984 my $routeit = adjust_hops($self, $_);
985 $self->send($routeit) if $routeit;
991 # route a message down an appropriate interface for a callsign
993 # is called route(to, pcline);
997 my ($call, $line) = @_;
998 my $cl = DXCluster->get_exact($call);
1001 my $dxchan = $cl->{dxchan};
1003 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1005 $dxchan->send($routeit) if $dxchan;
1011 # broadcast a message to all clusters taking into account isolation
1012 # [except those mentioned after buffer]
1015 my $s = shift; # the line to be rebroadcast
1016 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1017 my @dxchan = get_all_ak1a();
1020 # send it if it isn't the except list and isn't isolated and still has a hop count
1021 foreach $dxchan (@dxchan) {
1022 next if grep $dxchan == $_, @except;
1023 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1024 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1028 # broadcast a message to all clusters ignoring isolation
1029 # [except those mentioned after buffer]
1030 sub broadcast_all_ak1a
1032 my $s = shift; # the line to be rebroadcast
1033 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1034 my @dxchan = get_all_ak1a();
1037 # send it if it isn't the except list and isn't isolated and still has a hop count
1038 foreach $dxchan (@dxchan) {
1039 next if grep $dxchan == $_, @except;
1040 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1041 $dxchan->send($routeit);
1045 # broadcast to all users
1046 # storing the spot or whatever until it is in a state to receive it
1049 my $s = shift; # the line to be rebroadcast
1050 my $sort = shift; # the type of transmission
1051 my $fref = shift; # a reference to an object to filter on
1052 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1053 my @dxchan = get_all_users();
1057 foreach $dxchan (@dxchan) {
1058 next if grep $dxchan == $_, @except;
1061 broadcast_list($s, $sort, $fref, @out);
1064 # broadcast to a list of users
1072 foreach $dxchan (@_) {
1075 if ($sort eq 'dx') {
1076 next unless $dxchan->{dx};
1077 ($filter) = Filter::it($dxchan->{spotfilter}, @{$fref}) if ref $fref;
1078 next unless $filter;
1080 next if $sort eq 'ann' && !$dxchan->{ann};
1081 next if $sort eq 'wwv' && !$dxchan->{wwv};
1082 next if $sort eq 'wx' && !$dxchan->{wx};
1084 $s =~ s/\a//og unless $dxchan->{beep};
1086 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
1095 # gimme all the ak1a nodes
1099 my @list = DXChannel->get_all();
1102 foreach $ref (@list) {
1103 push @out, $ref if $ref->is_ak1a;
1108 # return a list of all users
1111 my @list = DXChannel->get_all();
1114 foreach $ref (@list) {
1115 push @out, $ref if $ref->is_user;
1120 # return a list of all user callsigns
1121 sub get_all_user_calls
1123 my @list = DXChannel->get_all();
1126 foreach $ref (@list) {
1127 push @out, $ref->call if $ref->is_user;
1133 # obtain the hops from the list for this callsign and pc no
1139 my $hops = $DXProt::hopcount{$pcno};
1140 $hops = $DXProt::def_hopcount if !$hops;
1145 # adjust the hop count on a per node basis using the user loadable
1146 # hop table if available or else decrement an existing one
1153 my $call = $self->{call};
1156 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1157 my ($pcno) = $s =~ /^PC(\d\d)/o;
1158 confess "$call called adjust_hops with '$s'" unless $pcno;
1159 my $ref = $nodehops{$call} if %nodehops;
1161 my $newhops = $ref->{$pcno};
1162 return "" if defined $newhops && $newhops == 0;
1163 $newhops = $ref->{default} unless $newhops;
1164 return "" if defined $newhops && $newhops == 0;
1165 $newhops = $hops if !$newhops;
1166 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1168 # simply decrement it
1170 return "" if !$hops;
1171 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1183 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1184 do "$main::data/hop_table.pl";
1189 # remove leading and trailing spaces from an input string
1193 $s =~ s/^\s+|\s+$//;
1197 # add a ping request to the ping queues
1200 my ($from, $to) = @_;
1201 my $ref = $pings{$to};
1202 $ref = $pings{$to} = [] if !$ref;
1205 $r->{t} = $main::systime;
1206 route($to, pc51($to, $main::mycall, 1));
1210 # add a rcmd request to the rcmd queues
1213 my ($from, $to, $cmd) = @_;
1216 $r->{t} = $main::systime;
1218 route($to, pc34($main::mycall, $to, $cmd));