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]);
316 return unless $node; # ignore if havn't seen a PC19 for this one yet
317 return unless $node->isa('DXNode');
318 if ($node->dxchan != $self) {
319 dbg('chan', "LOOP: $field[1] came in on wrong channel");
323 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
324 dbg('chan', "LOOP: $field[1] connected locally");
330 for ($i = 2; $i < $#field; $i++) {
331 my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
332 next if !$call || length $call < 3 || length $call > 8;
335 next if DXCluster->get_exact($call); # we already have this (loop?)
337 $confmode = $confmode eq '*';
338 DXNodeuser->new($self, $node, $call, $confmode, $here);
340 # add this station to the user database, if required
341 $call =~ s/-\d+$//o; # remove ssid for users
342 my $user = DXUser->get_current($call);
343 $user = DXUser->new($call) if !$user;
344 $user->homenode($node->call) if !$user->homenode;
345 $user->node($node->call);
346 $user->lastin($main::systime) unless DXChannel->get($call);
350 # queue up any messages (look for privates only)
351 DXMsg::queue_msg(1) if $self->state eq 'normal';
355 if ($pcno == 17) { # remove a user
356 my $node = DXCluster->get_exact($field[2]);
358 return unless $node->isa('DXNode');
359 if ($node->dxchan != $self) {
360 dbg('chan', "LOOP: $field[2] came in on wrong channel");
364 if (($dxchan = DXChannel->get($field[2])) && $dxchan != $self) {
365 dbg('chan', "LOOP: $field[2] connected locally");
368 my $ref = DXCluster->get_exact($field[1]);
373 if ($pcno == 18) { # link request
374 $self->state('init');
376 # first clear out any nodes on this dxchannel
377 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
378 foreach my $node (@gonenodes) {
379 next if $node->dxchan == $DXProt::me;
380 broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate};
383 $self->send_local_config();
385 return; # we don't pass these on
388 if ($pcno == 19) { # incoming cluster list
390 my $newline = "PC19^";
391 for ($i = 1; $i < $#field-1; $i += 4) {
392 my $here = $field[$i];
393 my $call = uc $field[$i+1];
394 my $confmode = $field[$i+2];
395 my $ver = $field[$i+3];
397 $ver = 5400 if !$ver && $allowzero;
399 # now check the call over
400 my $node = DXCluster->get_exact($call);
403 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
404 dbg('chan', "LOOP: $call connected locally");
406 if ($node->dxchan != $self) {
407 dbg('chan', "LOOP: $call come in on wrong channel");
410 dbg('chan', "already have $call");
414 # check for sane parameters
415 next if $ver < 5000; # only works with version 5 software
416 next if length $call < 3; # min 3 letter callsigns
418 # add it to the nodes table and outgoing line
419 $newline .= "$here^$call^$confmode^$ver^";
420 DXNode->new($self, $call, $confmode, $here, $ver);
422 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
423 my $mref = DXMsg::get_busy($call);
424 $mref->stop_msg($call) if $mref;
426 # add this station to the user database, if required (don't remove SSID from nodes)
427 my $user = DXUser->get_current($call);
429 $user = DXUser->new($call);
431 $user->priv(1); # I have relented and defaulted nodes
432 $self->{priv} = 1; # to user RCMDs allowed
433 $user->homenode($call);
436 $user->lastin($main::systime) unless DXChannel->get($call);
440 return if $newline eq "PC19^";
443 $newline .= get_hops(19) . "^";
448 if ($pcno == 20) { # send local configuration
449 $self->send_local_config();
451 $self->state('normal');
455 if ($pcno == 21) { # delete a cluster from the list
456 my $call = uc $field[1];
457 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
458 my $node = DXCluster->get_exact($call);
460 if ($node->dxchan != $self) {
461 dbg('chan', "LOOP: $call come in on wrong channel");
465 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
466 dbg('chan', "LOOP: $call connected locally");
471 dbg('chan', "$call not in table, dropped");
479 $self->state('normal');
483 if ($pcno == 23 || $pcno == 27) { # WWV info
485 # route 'foreign' pc27s
487 if ($field[8] ne $main::mycall) {
488 route($field[8], $line);
494 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
495 my $sfi = unpad($field[3]);
496 my $k = unpad($field[4]);
497 my $i = unpad($field[5]);
498 my ($r) = $field[6] =~ /R=(\d+)/;
500 my $dupkey = "$d.$sfi$k$i";
501 if ($wwvdup{$dupkey}) {
502 dbg('chan', "Dup WWV Spot ignored\n");
505 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 900 || $field[2] < 0 || $field[2] > 23) {
506 dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
509 $wwvdup{$dupkey} = $d;
510 $field[6] =~ s/-\d+$//o; # remove spotter's ssid
512 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
516 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
518 # dbg('local', "Local::wwv2 error $@") if $@;
521 # DON'T be silly and send on PC27s!
522 return if $pcno == 27;
524 # broadcast to the eager world
525 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
529 if ($pcno == 24) { # set here status
530 my $call = uc $field[1];
531 my $ref = DXCluster->get_exact($call);
532 $ref->here($field[2]) if $ref;
536 if ($pcno == 25) { # merge request
537 if ($field[1] ne $main::mycall) {
538 route($field[1], $line);
541 if ($field[2] eq $main::mycall) {
542 dbg('chan', "Trying to merge to myself, ignored");
546 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
550 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
553 $self->send(pc26(@{$in}[0..4], $field[2]));
559 my @in = reverse Geomag::search(0, $field[4], time, 1);
562 $self->send(pc27(@{$in}[0..5], $field[2]));
568 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
569 if ($pcno == 49 || $field[1] eq $main::mycall) {
570 DXMsg::process($self, $line);
572 route($field[1], $line);
577 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
578 if ($field[1] eq $main::mycall) {
579 my $ref = DXUser->get_current($field[2]);
580 my $cref = DXCluster->get($field[2]);
581 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
582 unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
583 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
584 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
585 my $oldpriv = $self->{priv};
586 $self->{priv} = $ref->{priv}; # assume the user's privilege level
587 my @in = (DXCommandmode::run_cmd($self, $field[3]));
588 $self->{priv} = $oldpriv;
591 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
592 Log('rcmd', 'out', $field[2], $_);
594 delete $self->{remotecmd};
596 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
599 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
602 route($field[1], $line);
607 if ($pcno == 35) { # remote command replies
608 if ($field[1] eq $main::mycall) {
609 my $s = $rcmds{$field[2]};
611 my $dxchan = DXChannel->get($s->{call});
612 $dxchan->send($field[3]) if $dxchan;
613 delete $rcmds{$field[2]} if !$dxchan;
616 route($field[1], $line);
621 # for pc 37 see 44 onwards
623 if ($pcno == 38) { # node connected list from neighbour
627 if ($pcno == 39) { # incoming disconnect
632 if ($pcno == 41) { # user info
633 # add this station to the user database, if required
634 my $user = DXUser->get_current($field[1]);
636 # then try without an SSID
637 $field[1] =~ s/-\d+$//o;
638 $user = DXUser->get_current($field[1]);
640 $user = DXUser->new($field[1]) if !$user;
642 if ($field[2] == 1) {
643 $user->name($field[3]);
644 } elsif ($field[2] == 2) {
645 $user->qth($field[3]);
646 } elsif ($field[2] == 3) {
647 my ($lat, $long) = DXBearing::stoll($field[3]);
650 } elsif ($field[2] == 4) {
651 $user->homenode($field[3]);
659 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47) {
660 if ($field[1] eq $main::mycall) {
663 route($field[1], $line);
668 if ($pcno == 50) { # keep alive/user list
669 my $node = DXCluster->get_exact($field[1]);
671 return unless $node->isa('DXNode');
672 return unless $node->dxchan == $self;
673 $node->update_users($field[2]);
678 if ($pcno == 51) { # incoming ping requests/answers
681 if ($field[1] eq $main::mycall) {
682 my $flag = $field[3];
684 $self->send(pc51($field[2], $field[1], '0'));
686 # it's a reply, look in the ping list for this one
687 my $ref = $pings{$field[2]};
690 my $dxchan = DXChannel->get($r->{call});
691 $dxchan->send($dxchan->msg('pingi', $field[2], atime($main::systime), $main::systime - $r->{t})) if $dxchan;
696 # route down an appropriate thingy
697 route($field[1], $line);
703 # if get here then rebroadcast the thing with its Hop count decremented (if
704 # there is one). If it has a hop count and it decrements to zero then don't
707 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
711 if (!$self->{isolate}) {
712 broadcast_ak1a($line, $self); # send it to everyone but me
717 # This is called from inside the main cluster processing loop and is used
718 # for despatching commands that are doing some long processing job
723 my @dxchan = DXChannel->get_all();
726 foreach $dxchan (@dxchan) {
727 next unless $dxchan->is_ak1a();
728 next if $dxchan == $me;
730 # send a pc50 out on this channel
731 if ($t >= $dxchan->pc50_t + $DXProt::pc50_interval) {
732 $dxchan->send(pc50());
740 if ($main::systime - 3600 > $last_hour) {
741 $cutoff = $main::systime - $pc11_dup_age;
742 while (($key, $val) = each %spotdup) {
743 delete $spotdup{$key} if $val < $cutoff;
745 $cutoff = $main::systime - $pc23_dup_age;
746 while (($key, $val) = each %wwvdup) {
747 delete $wwvdup{$key} if $val < $cutoff;
749 $cutoff = $main::systime - $pc12_dup_age;
750 while (($key, $val) = each %anndup) {
751 delete $anndup{$key} if $val < $cutoff;
753 $last_hour = $main::systime;
758 # finish up a pc context
763 my $call = $self->call;
764 my $ref = DXCluster->get_exact($call);
766 # unbusy and stop and outgoing mail
767 my $mref = DXMsg::get_busy($call);
768 $mref->stop_msg($call) if $mref;
770 # broadcast to all other nodes that all the nodes connected to via me are gone
771 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
774 foreach $node (@gonenodes) {
775 next if $node->call eq $call;
776 broadcast_ak1a(pc21($node->call, 'Gone') , $self) unless $self->{isolate};
780 # remove outstanding pings
781 delete $pings{$call};
783 # now broadcast to all other ak1a nodes that I have gone
784 broadcast_ak1a(pc21($call, 'Gone.'), $self) unless $self->{isolate};
786 Log('DXProt', $call . " Disconnected");
791 # some active measures
797 my @dxchan = DXChannel->get_all();
800 # send it if it isn't the except list and isn't isolated and still has a hop count
801 # taking into account filtering and so on
802 foreach $dxchan (@dxchan) {
806 if ($dxchan->{spotfilter}) {
807 ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} );
811 if ($dxchan->is_ak1a) {
812 next if $dxchan == $self;
815 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
817 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
818 next unless $routeit;
821 $dxchan->send($routeit) if $routeit;
823 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
825 } elsif ($dxchan->is_user && $dxchan->{dx}) {
826 my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
827 $buf .= "\a\a" if $dxchan->{beep};
828 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
831 $dxchan->delay($buf);
841 my @dxchan = DXChannel->get_all();
844 # send it if it isn't the except list and isn't isolated and still has a hop count
845 # taking into account filtering and so on
846 foreach $dxchan (@dxchan) {
850 if ($dxchan->{spotfilter}) {
851 ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} );
854 if ($dxchan->is_ak1a) {
855 next if $dxchan == $self;
858 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
860 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
861 next unless $routeit;
864 $dxchan->send($routeit) if $routeit;
866 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
869 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
870 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
871 $buf .= "\a\a" if $dxchan->{beep};
872 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
875 $dxchan->delay($buf);
886 my @dxchan = DXChannel->get_all();
888 my $text = unpad($_[2]);
892 if ($_[3] eq '*') { # sysops
894 } elsif ($_[3] gt ' ') { # speciality list handling
895 my ($name) = split /\./, $_[3];
896 $target = "$name"; # put the rest in later (if bothered)
903 $target = "All" if !$target;
905 Log('ann', $target, $_[0], $text);
907 # send it if it isn't the except list and isn't isolated and still has a hop count
908 # taking into account filtering and so on
909 foreach $dxchan (@dxchan) {
913 if ($dxchan->{annfilter}) {
914 ($filter, $hops) = Filter::it($dxchan->{annfilter}, @_, $self->{call} );
917 if ($dxchan->is_ak1a && $_[1] ne $main::mycall) { # i.e not specifically routed to me
918 next if $dxchan == $self;
921 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
923 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
924 next unless $routeit;
927 $dxchan->send($routeit) if $routeit;
929 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
932 } elsif ($dxchan->is_user && $dxchan->{ann}) {
933 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
934 my $buf = "$to$target de $_[0]: $text";
935 $buf .= "\a\a" if $dxchan->{beep};
936 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
939 $dxchan->delay($buf);
945 sub send_local_config
954 if ($self->{isolate}) {
955 @localnodes = (DXCluster->get_exact($main::mycall));
957 # create a list of all the nodes that are not connected to this connection
958 # and are not themselves isolated, this to make sure that isolated nodes
959 # don't appear outside of this node
960 @nodes = DXNode::get_all();
961 @nodes = grep { $_->{call} ne $main::mycall } @nodes;
962 @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
963 @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
964 @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
965 unshift @localnodes, DXCluster->get_exact($main::mycall);
966 @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
969 my @s = $me->pc19(@localnodes, @remotenodes);
971 my $routeit = adjust_hops($self, $_);
972 $self->send($routeit) if $routeit;
975 # get all the users connected on the above nodes and send them out
976 foreach $n (@localnodes, @remotenodes) {
977 my @users = values %{$n->list};
978 my @s = pc16($n, @users);
980 my $routeit = adjust_hops($self, $_);
981 $self->send($routeit) if $routeit;
987 # route a message down an appropriate interface for a callsign
989 # is called route(to, pcline);
993 my ($call, $line) = @_;
994 my $cl = DXCluster->get_exact($call);
997 my $dxchan = $cl->{dxchan};
999 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1001 $dxchan->send($routeit) if $dxchan;
1007 # broadcast a message to all clusters taking into account isolation
1008 # [except those mentioned after buffer]
1011 my $s = shift; # the line to be rebroadcast
1012 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1013 my @dxchan = get_all_ak1a();
1016 # send it if it isn't the except list and isn't isolated and still has a hop count
1017 foreach $dxchan (@dxchan) {
1018 next if grep $dxchan == $_, @except;
1019 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1020 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1024 # broadcast a message to all clusters ignoring isolation
1025 # [except those mentioned after buffer]
1026 sub broadcast_all_ak1a
1028 my $s = shift; # the line to be rebroadcast
1029 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1030 my @dxchan = get_all_ak1a();
1033 # send it if it isn't the except list and isn't isolated and still has a hop count
1034 foreach $dxchan (@dxchan) {
1035 next if grep $dxchan == $_, @except;
1036 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1037 $dxchan->send($routeit);
1041 # broadcast to all users
1042 # storing the spot or whatever until it is in a state to receive it
1045 my $s = shift; # the line to be rebroadcast
1046 my $sort = shift; # the type of transmission
1047 my $fref = shift; # a reference to an object to filter on
1048 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1049 my @dxchan = get_all_users();
1053 foreach $dxchan (@dxchan) {
1054 next if grep $dxchan == $_, @except;
1057 broadcast_list($s, $sort, $fref, @out);
1060 # broadcast to a list of users
1068 foreach $dxchan (@_) {
1071 if ($sort eq 'dx') {
1072 next unless $dxchan->{dx};
1073 ($filter) = Filter::it($dxchan->{spotfilter}, @{$fref}) if ref $fref;
1074 next unless $filter;
1076 next if $sort eq 'ann' && !$dxchan->{ann};
1077 next if $sort eq 'wwv' && !$dxchan->{wwv};
1078 next if $sort eq 'wx' && !$dxchan->{wx};
1080 $s =~ s/\a//og unless $dxchan->{beep};
1082 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
1091 # gimme all the ak1a nodes
1095 my @list = DXChannel->get_all();
1098 foreach $ref (@list) {
1099 push @out, $ref if $ref->is_ak1a;
1104 # return a list of all users
1107 my @list = DXChannel->get_all();
1110 foreach $ref (@list) {
1111 push @out, $ref if $ref->is_user;
1116 # return a list of all user callsigns
1117 sub get_all_user_calls
1119 my @list = DXChannel->get_all();
1122 foreach $ref (@list) {
1123 push @out, $ref->call if $ref->is_user;
1129 # obtain the hops from the list for this callsign and pc no
1135 my $hops = $DXProt::hopcount{$pcno};
1136 $hops = $DXProt::def_hopcount if !$hops;
1141 # adjust the hop count on a per node basis using the user loadable
1142 # hop table if available or else decrement an existing one
1149 my $call = $self->{call};
1152 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1153 my ($pcno) = $s =~ /^PC(\d\d)/o;
1154 confess "$call called adjust_hops with '$s'" unless $pcno;
1155 my $ref = $nodehops{$call} if %nodehops;
1157 my $newhops = $ref->{$pcno};
1158 return "" if defined $newhops && $newhops == 0;
1159 $newhops = $ref->{default} unless $newhops;
1160 return "" if defined $newhops && $newhops == 0;
1161 $newhops = $hops if !$newhops;
1162 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1164 # simply decrement it
1166 return "" if !$hops;
1167 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1179 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1180 do "$main::data/hop_table.pl";
1185 # remove leading and trailing spaces from an input string
1189 $s =~ s/^\s+|\s+$//;
1193 # add a ping request to the ping queues
1196 my ($from, $to) = @_;
1197 my $ref = $pings{$to};
1198 $ref = $pings{$to} = [] if !$ref;
1201 $r->{t} = $main::systime;
1202 route($to, pc51($to, $main::mycall, 1));
1206 # add a rcmd request to the rcmd queues
1209 my ($from, $to, $cmd) = @_;
1212 $r->{t} = $main::systime;
1214 route($to, pc34($main::mycall, $to, $cmd));