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
36 $me = undef; # the channel id for this cluster
37 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
38 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
39 $pc11_dup_age = 24*3600; # the maximum time to keep the spot dup list for
40 $pc23_dup_age = 24*3600; # the maximum time to keep the wwv dup list for
41 $pc12_dup_age = 24*3600; # the maximum time to keep the ann dup list for
42 %spotdup = (); # the pc11 and 26 dup hash
43 %wwvdup = (); # the pc23 and 27 dup hash
44 %anndup = (); # the PC12 dup hash
45 $last_hour = time; # last time I did an hourly periodic update
46 %pings = (); # outstanding ping requests outbound
47 %rcmds = (); # outstanding rcmd requests outbound
48 %nodehops = (); # node specific hop control
49 @baddx = (); # list of illegal spotted callsigns
51 $baddxfn = "$main::data/baddx.pl";
55 my $user = DXUser->get($main::mycall);
56 $DXProt::myprot_version += $main::version*100;
57 $me = DXProt->new($main::mycall, 0, $user);
59 $me->{state} = "indifferent";
60 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
62 # $me->{sort} = 'M'; # M for me
64 # now prime the spot duplicates file with today's and yesterday's data
65 my @today = Julian::unixtoj(time);
66 my @spots = Spot::readfile(@today);
67 @today = Julian::sub(@today, 1);
68 push @spots, Spot::readfile(@today);
70 my $dupkey = "$_->[0]$_->[1]$_->[2]$_->[3]$_->[4]";
71 $spotdup{$dupkey} = $_->[2];
74 # now prime the wwv duplicates file with just this month's data
75 my @wwv = Geomag::readfile(time);
77 my $dupkey = "$_->[1].$_->[2]$_->[3]$_->[4]";
78 $wwvdup{$dupkey} = $_->[1];
82 do "$baddxfn" if -e "$baddxfn";
87 # obtain a new connection this is derived from dxchannel
92 my $self = DXChannel::alloc(@_);
93 $self->{'sort'} = 'A'; # in absence of how to find out what sort of an object I am
97 # this is how a pc connection starts (for an incoming connection)
98 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
99 # all the crap that comes between).
102 my ($self, $line, $sort) = @_;
103 my $call = $self->{call};
104 my $user = $self->{user};
106 # remember type of connection
107 $self->{consort} = $line;
108 $self->{outbound} = $sort eq 'O';
109 $self->{priv} = $user->priv;
110 $self->{lang} = $user->lang;
111 $self->{isolate} = $user->{isolate};
112 $self->{consort} = $line; # save the connection type
116 $self->{spotfilter} = Filter::read_in('spots', $call);
117 $self->{wwvfilter} = Filter::read_in('wwv', $call);
118 $self->{annfilter} = Filter::read_in('ann', $call);
120 # set unbuffered and no echo
121 $self->send_now('B',"0");
122 $self->send_now('E',"0");
124 # send initialisation string
125 if (!$self->{outbound}) {
126 $self->send(pc38()) if DXNode->get_all();
129 $self->state('init');
132 Log('DXProt', "$call connected");
136 # This is the normal pcxx despatcher
140 my ($self, $line) = @_;
141 my @field = split /\^/, $line;
142 pop @field if $field[-1] eq '~';
144 # print join(',', @field), "\n";
146 # ignore any lines that don't start with PC
147 return if !$field[0] =~ /^PC/;
150 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
152 return if $pcno < 10 || $pcno > 51;
154 # dump bad protocol messages unless it is a PC29
155 if ($line =~ /\%[0-9A-F][0-9A-F]/o && $pcno != 29) {
156 dbg('chan', "CORRUPT protocol message - dumped");
163 $pcr = Local::pcprot($self, $pcno, @field);
165 # dbg('local', "Local::pcprot error $@") if $@;
169 if ($pcno == 10) { # incoming talk
171 # is it for me or one of mine?
172 my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
173 if ($call eq $main::mycall || grep $_ eq $call, get_all_user_calls()) {
176 my $text = unpad($field[3]);
177 Log('talk', $call, $field[1], $field[6], $text);
178 $call = $main::myalias if $call eq $main::mycall;
179 my $ref = DXChannel->get($call);
180 $ref->send("$call de $field[1]: $text") if $ref && $ref->{talk};
182 route($field[2], $line); # relay it on its way
187 if ($pcno == 11 || $pcno == 26) { # dx spot
189 # route 'foreign' pc26s
191 if ($field[7] ne $main::mycall) {
192 route($field[7], $line);
197 # if this is a 'nodx' node then ignore it
198 last SWITCH if grep $field[7] =~ /^$_/, @DXProt::nodx_node;
200 # convert the date to a unix date
201 my $d = cltounix($field[3], $field[4]);
202 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
203 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
204 dbg('chan', "Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
208 # strip off the leading & trailing spaces from the comment
209 my $text = unpad($field[5]);
212 my $spotter = $field[6];
213 $spotter =~ s/-\d+$//o; # strip off the ssid from the spotter
216 my $freq = $field[1] - 0;
217 my $dupkey = "$freq$field[2]$d$text$spotter";
218 if ($spotdup{$dupkey}) {
219 dbg('chan', "Duplicate Spot ignored\n");
223 $spotdup{$dupkey} = $d;
226 if (grep $field[2] eq $_, @baddx) {
227 dbg('chan', "Bad DX spot, ignored");
231 # are any of the crucial fields invalid?
232 if ($field[2] =~ /[a-z]/ || $field[6] =~ /[a-z]/ || $field[7] =~ /[a-z]/) {
233 dbg('chan', "Spot contains lower case callsigns, rejected");
237 my @spot = Spot::add($freq, $field[2], $d, $text, $spotter, $field[7]);
240 # @spot at this point contains:-
241 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
242 # then spotted itu, spotted cq, spotters itu, spotters cq
243 # you should be able to route on any of these
249 $r = Local::spot($self, @spot);
251 # dbg('local', "Local::spot1 error $@") if $@;
254 # DON'T be silly and send on PC26s!
255 return if $pcno == 26;
257 # send out the filtered spots
258 send_dx_spot($self, $line, @spot) if @spot;
262 if ($pcno == 12) { # announces
263 # announce duplicate checking
264 my $text = uc unpad($field[3]);
265 my $dupkey = $field[1].$field[2].$text.$field[4].$field[6];
266 if ($anndup{$dupkey}) {
267 dbg('chan', "Duplicate Announce ignored\n");
270 $anndup{$dupkey} = $main::systime;
272 # global ann filtering
273 my ($filter, $hops) = Filter::it($self->{annfilter}, @field[1..6], $self->{call} ) if $self->{annfilter};
274 if ($self->{annfilter} && !$filter) {
275 dbg('chan', "Rejected by filter");
279 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
281 # strip leading and trailing stuff
282 my $text = unpad($field[3]);
287 if ($field[4] eq '*') { # sysops
289 @list = map { $_->priv >= 5 ? $_ : () } get_all_users();
290 } elsif ($field[4] gt ' ') { # speciality list handling
291 my ($name) = split /\./, $field[4];
292 $target = "$name"; # put the rest in later (if bothered)
295 if ($field[6] eq '1') {
299 $target = "All" if !$target;
302 broadcast_list("$to$target de $field[1]: $text", 'ann', undef, @list);
304 broadcast_users("$target de $field[1]: $text", 'ann', undef);
306 Log('ann', $target, $field[1], $text);
308 return if $field[2] eq $main::mycall; # it's routed to me
310 route($field[2], $line);
311 return; # only on a routed one
327 if ($pcno == 16) { # add a user
328 my $node = DXCluster->get_exact($field[1]);
329 return unless $node; # ignore if havn't seen a PC19 for this one yet
330 return unless $node->isa('DXNode');
331 if ($node->dxchan != $self) {
332 dbg('chan', "LOOP: $field[1] came in on wrong channel");
336 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
337 dbg('chan', "LOOP: $field[1] connected locally");
343 for ($i = 2; $i < $#field; $i++) {
344 my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
345 next if !$call || length $call < 3 || length $call > 8;
348 next if DXCluster->get_exact($call); # we already have this (loop?)
350 $confmode = $confmode eq '*';
351 DXNodeuser->new($self, $node, $call, $confmode, $here);
353 # add this station to the user database, if required
354 $call =~ s/-\d+$//o; # remove ssid for users
355 my $user = DXUser->get_current($call);
356 $user = DXUser->new($call) if !$user;
357 $user->homenode($node->call) if !$user->homenode;
358 $user->node($node->call);
359 $user->lastin($main::systime) unless DXChannel->get($call);
363 # queue up any messages (look for privates only)
364 DXMsg::queue_msg(1) if $self->state eq 'normal';
368 if ($pcno == 17) { # remove a user
369 my $node = DXCluster->get_exact($field[2]);
371 return unless $node->isa('DXNode');
372 if ($node->dxchan != $self) {
373 dbg('chan', "LOOP: $field[2] came in on wrong channel");
377 if (($dxchan = DXChannel->get($field[2])) && $dxchan != $self) {
378 dbg('chan', "LOOP: $field[2] connected locally");
381 my $ref = DXCluster->get_exact($field[1]);
386 if ($pcno == 18) { # link request
387 $self->state('init');
389 # first clear out any nodes on this dxchannel
390 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
391 foreach my $node (@gonenodes) {
392 next if $node->dxchan == $DXProt::me;
393 broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate};
396 $self->send_local_config();
398 return; # we don't pass these on
401 if ($pcno == 19) { # incoming cluster list
403 my $newline = "PC19^";
404 for ($i = 1; $i < $#field-1; $i += 4) {
405 my $here = $field[$i];
406 my $call = uc $field[$i+1];
407 my $confmode = $field[$i+2];
408 my $ver = $field[$i+3];
410 $ver = 5400 if !$ver && $allowzero;
412 # now check the call over
413 my $node = DXCluster->get_exact($call);
416 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
417 dbg('chan', "LOOP: $call connected locally");
419 if ($node->dxchan != $self) {
420 dbg('chan', "LOOP: $call come in on wrong channel");
423 dbg('chan', "already have $call");
427 # check for sane parameters
428 next if $ver < 5000; # only works with version 5 software
429 next if length $call < 3; # min 3 letter callsigns
431 # add it to the nodes table and outgoing line
432 $newline .= "$here^$call^$confmode^$ver^";
433 DXNode->new($self, $call, $confmode, $here, $ver);
435 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
436 my $mref = DXMsg::get_busy($call);
437 $mref->stop_msg($call) if $mref;
439 # add this station to the user database, if required (don't remove SSID from nodes)
440 my $user = DXUser->get_current($call);
442 $user = DXUser->new($call);
444 $user->priv(1); # I have relented and defaulted nodes
445 $self->{priv} = 1; # to user RCMDs allowed
446 $user->homenode($call);
449 $user->lastin($main::systime) unless DXChannel->get($call);
453 return if $newline eq "PC19^";
456 $newline .= get_hops(19) . "^";
461 if ($pcno == 20) { # send local configuration
462 $self->send_local_config();
464 $self->state('normal');
468 if ($pcno == 21) { # delete a cluster from the list
469 my $call = uc $field[1];
470 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
471 my $node = DXCluster->get_exact($call);
473 if ($node->dxchan != $self) {
474 dbg('chan', "LOOP: $call come in on wrong channel");
478 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
479 dbg('chan', "LOOP: $call connected locally");
484 dbg('chan', "$call not in table, dropped");
492 $self->state('normal');
496 if ($pcno == 23 || $pcno == 27) { # WWV info
498 # route 'foreign' pc27s
500 if ($field[8] ne $main::mycall) {
501 route($field[8], $line);
507 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
508 my $sfi = unpad($field[3]);
509 my $k = unpad($field[4]);
510 my $i = unpad($field[5]);
511 my $dupkey = "$d.$sfi$k$i";
512 if ($wwvdup{$dupkey}) {
513 dbg('chan', "Dup WWV Spot ignored\n");
516 if ($d < $main::systime - $pc23_max_age || $d > $main::systime + 900 || $field[2] < 0 || $field[2] > 23) {
517 dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
520 $wwvdup{$dupkey} = $d;
521 $field[6] =~ s/-\d+$//o; # remove spotter's ssid
523 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8]);
527 $r = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8]);
529 # dbg('local', "Local::wwv2 error $@") if $@;
532 # DON'T be silly and send on PC27s!
533 return if $pcno == 27;
535 # broadcast to the eager world
536 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
540 if ($pcno == 24) { # set here status
541 my $call = uc $field[1];
542 my $ref = DXCluster->get_exact($call);
543 $ref->here($field[2]) if $ref;
547 if ($pcno == 25) { # merge request
548 if ($field[1] ne $main::mycall) {
549 route($field[1], $line);
552 if ($field[2] eq $main::mycall) {
553 dbg('chan', "Trying to merge to myself, ignored");
557 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
561 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]-1);
564 $self->send(pc26(@{$in}[0..4], $field[2]));
570 my @in = reverse Geomag::search(0, $field[4], time, 1);
573 $self->send(pc27(@{$in}[0..5], $field[2]));
579 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
580 if ($pcno == 49 || $field[1] eq $main::mycall) {
581 DXMsg::process($self, $line);
583 route($field[1], $line);
588 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
589 if ($field[1] eq $main::mycall) {
590 my $ref = DXUser->get_current($field[2]);
591 my $cref = DXCluster->get($field[2]);
592 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
593 unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
594 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
595 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
596 my $oldpriv = $self->{priv};
597 $self->{priv} = $ref->{priv}; # assume the user's privilege level
598 my @in = (DXCommandmode::run_cmd($self, $field[3]));
599 $self->{priv} = $oldpriv;
602 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
603 Log('rcmd', 'out', $field[2], $_);
605 delete $self->{remotecmd};
607 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
610 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
613 route($field[1], $line);
618 if ($pcno == 35) { # remote command replies
619 if ($field[1] eq $main::mycall) {
620 my $s = $rcmds{$field[2]};
622 my $dxchan = DXChannel->get($s->{call});
623 $dxchan->send($field[3]) if $dxchan;
624 delete $rcmds{$field[2]} if !$dxchan;
627 route($field[1], $line);
632 # for pc 37 see 44 onwards
634 if ($pcno == 38) { # node connected list from neighbour
638 if ($pcno == 39) { # incoming disconnect
643 if ($pcno == 41) { # user info
644 # add this station to the user database, if required
645 my $user = DXUser->get_current($field[1]);
647 # then try without an SSID
648 $field[1] =~ s/-\d+$//o;
649 $user = DXUser->get_current($field[1]);
651 $user = DXUser->new($field[1]) if !$user;
653 if ($field[2] == 1) {
654 $user->name($field[3]);
655 } elsif ($field[2] == 2) {
656 $user->qth($field[3]);
657 } elsif ($field[2] == 3) {
658 my ($lat, $long) = DXBearing::stoll($field[3]);
661 } elsif ($field[2] == 4) {
662 $user->homenode($field[3]);
670 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47) {
671 if ($field[1] eq $main::mycall) {
674 route($field[1], $line);
679 if ($pcno == 50) { # keep alive/user list
680 my $node = DXCluster->get_exact($field[1]);
682 return unless $node->isa('DXNode');
683 return unless $node->dxchan == $self;
684 $node->update_users($field[2]);
689 if ($pcno == 51) { # incoming ping requests/answers
692 if ($field[1] eq $main::mycall) {
693 my $flag = $field[3];
695 $self->send(pc51($field[2], $field[1], '0'));
697 # it's a reply, look in the ping list for this one
698 my $ref = $pings{$field[2]};
701 my $dxchan = DXChannel->get($r->{call});
702 $dxchan->send($dxchan->msg('pingi', $field[2], atime($main::systime), $main::systime - $r->{t})) if $dxchan;
707 # route down an appropriate thingy
708 route($field[1], $line);
714 # if get here then rebroadcast the thing with its Hop count decremented (if
715 # there is one). If it has a hop count and it decrements to zero then don't
718 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
722 if (!$self->{isolate}) {
723 broadcast_ak1a($line, $self); # send it to everyone but me
728 # This is called from inside the main cluster processing loop and is used
729 # for despatching commands that are doing some long processing job
734 my @dxchan = DXChannel->get_all();
737 foreach $dxchan (@dxchan) {
738 next unless $dxchan->is_ak1a();
739 next if $dxchan == $me;
741 # send a pc50 out on this channel
742 if ($t >= $dxchan->pc50_t + $DXProt::pc50_interval) {
743 $dxchan->send(pc50());
751 if ($main::systime - 3600 > $last_hour) {
752 $cutoff = $main::systime - $pc11_dup_age;
753 while (($key, $val) = each %spotdup) {
754 delete $spotdup{$key} if $val < $cutoff;
756 $cutoff = $main::systime - $pc23_dup_age;
757 while (($key, $val) = each %wwvdup) {
758 delete $wwvdup{$key} if $val < $cutoff;
760 $cutoff = $main::systime - $pc12_dup_age;
761 while (($key, $val) = each %anndup) {
762 delete $anndup{$key} if $val < $cutoff;
764 $last_hour = $main::systime;
769 # finish up a pc context
774 my $call = $self->call;
775 my $ref = DXCluster->get_exact($call);
777 # unbusy and stop and outgoing mail
778 my $mref = DXMsg::get_busy($call);
779 $mref->stop_msg($call) if $mref;
781 # broadcast to all other nodes that all the nodes connected to via me are gone
782 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
785 foreach $node (@gonenodes) {
786 next if $node->call eq $call;
787 broadcast_ak1a(pc21($node->call, 'Gone') , $self) unless $self->{isolate};
791 # remove outstanding pings
792 delete $pings{$call};
794 # now broadcast to all other ak1a nodes that I have gone
795 broadcast_ak1a(pc21($call, 'Gone.'), $self) unless $self->{isolate};
797 Log('DXProt', $call . " Disconnected");
802 # some active measures
808 my @dxchan = DXChannel->get_all();
811 # send it if it isn't the except list and isn't isolated and still has a hop count
812 # taking into account filtering and so on
813 foreach $dxchan (@dxchan) {
815 my ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} ) if $dxchan->{spotfilter};
816 if ($dxchan->is_ak1a) {
817 next if $dxchan == $self;
820 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
822 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
823 next unless $routeit;
826 $dxchan->send($routeit) if $routeit;
828 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
831 } elsif ($dxchan->is_user && $dxchan->{dx}) {
832 my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
833 $buf .= "\a\a" if $dxchan->{beep};
834 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
835 $dxchan->send($buf) if !$hops || ($hops && $filter);
837 $dxchan->delay($buf) if !$hops || ($hops && $filter);
847 my @dxchan = DXChannel->get_all();
850 # send it if it isn't the except list and isn't isolated and still has a hop count
851 # taking into account filtering and so on
852 foreach $dxchan (@dxchan) {
854 my ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} ) if $dxchan->{wwvfilter};
855 if ($dxchan->is_ak1a) {
856 next if $dxchan == $self;
859 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
861 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
862 next unless $routeit;
865 $dxchan->send($routeit) if $routeit;
867 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
870 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
871 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
872 $buf .= "\a\a" if $dxchan->{beep};
873 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
874 $dxchan->send($buf) if !$hops || ($hops && $filter);
876 $dxchan->delay($buf) if !$hops || ($hops && $filter);
882 sub send_local_config
891 if ($self->{isolate}) {
892 @localnodes = (DXCluster->get_exact($main::mycall));
894 # create a list of all the nodes that are not connected to this connection
895 # and are not themselves isolated, this to make sure that isolated nodes
896 # don't appear outside of this node
897 @nodes = DXNode::get_all();
898 @nodes = grep { $_->{call} ne $main::mycall } @nodes;
899 @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
900 @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
901 @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
902 unshift @localnodes, DXCluster->get_exact($main::mycall);
903 @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
906 my @s = $me->pc19(@localnodes, @remotenodes);
908 my $routeit = adjust_hops($self, $_);
909 $self->send($routeit) if $routeit;
912 # get all the users connected on the above nodes and send them out
913 foreach $n (@localnodes, @remotenodes) {
914 my @users = values %{$n->list};
915 my @s = pc16($n, @users);
917 my $routeit = adjust_hops($self, $_);
918 $self->send($routeit) if $routeit;
924 # route a message down an appropriate interface for a callsign
926 # is called route(to, pcline);
930 my ($call, $line) = @_;
931 my $cl = DXCluster->get_exact($call);
934 my $dxchan = $cl->{dxchan};
936 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
938 $dxchan->send($routeit) if $dxchan;
944 # broadcast a message to all clusters taking into account isolation
945 # [except those mentioned after buffer]
948 my $s = shift; # the line to be rebroadcast
949 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
950 my @dxchan = get_all_ak1a();
953 # send it if it isn't the except list and isn't isolated and still has a hop count
954 foreach $dxchan (@dxchan) {
955 next if grep $dxchan == $_, @except;
956 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
957 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
961 # broadcast a message to all clusters ignoring isolation
962 # [except those mentioned after buffer]
963 sub broadcast_all_ak1a
965 my $s = shift; # the line to be rebroadcast
966 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
967 my @dxchan = get_all_ak1a();
970 # send it if it isn't the except list and isn't isolated and still has a hop count
971 foreach $dxchan (@dxchan) {
972 next if grep $dxchan == $_, @except;
973 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
974 $dxchan->send($routeit);
978 # broadcast to all users
979 # storing the spot or whatever until it is in a state to receive it
982 my $s = shift; # the line to be rebroadcast
983 my $sort = shift; # the type of transmission
984 my $fref = shift; # a reference to an object to filter on
985 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
986 my @dxchan = get_all_users();
990 foreach $dxchan (@dxchan) {
991 next if grep $dxchan == $_, @except;
994 broadcast_list($s, $sort, $fref, @out);
997 # broadcast to a list of users
1005 foreach $dxchan (@_) {
1008 if ($sort eq 'dx') {
1009 next unless $dxchan->{dx};
1010 ($filter) = Filter::it($dxchan->{spotfilter}, @{$fref}) if ref $fref;
1011 next unless $filter;
1013 next if $sort eq 'ann' && !$dxchan->{ann};
1014 next if $sort eq 'wwv' && !$dxchan->{wwv};
1015 next if $sort eq 'wx' && !$dxchan->{wx};
1017 $s =~ s/\a//og unless $dxchan->{beep};
1019 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
1028 # gimme all the ak1a nodes
1032 my @list = DXChannel->get_all();
1035 foreach $ref (@list) {
1036 push @out, $ref if $ref->is_ak1a;
1041 # return a list of all users
1044 my @list = DXChannel->get_all();
1047 foreach $ref (@list) {
1048 push @out, $ref if $ref->is_user;
1053 # return a list of all user callsigns
1054 sub get_all_user_calls
1056 my @list = DXChannel->get_all();
1059 foreach $ref (@list) {
1060 push @out, $ref->call if $ref->is_user;
1066 # obtain the hops from the list for this callsign and pc no
1072 my $hops = $DXProt::hopcount{$pcno};
1073 $hops = $DXProt::def_hopcount if !$hops;
1078 # adjust the hop count on a per node basis using the user loadable
1079 # hop table if available or else decrement an existing one
1086 my $call = $self->{call};
1089 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1090 my ($pcno) = $s =~ /^PC(\d\d)/o;
1091 confess "$call called adjust_hops with '$s'" unless $pcno;
1092 my $ref = $nodehops{$call} if %nodehops;
1094 my $newhops = $ref->{$pcno};
1095 return "" if defined $newhops && $newhops == 0;
1096 $newhops = $ref->{default} unless $newhops;
1097 return "" if defined $newhops && $newhops == 0;
1098 $newhops = $hops if !$newhops;
1099 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1101 # simply decrement it
1103 return "" if !$hops;
1104 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1116 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1117 do "$main::data/hop_table.pl";
1122 # remove leading and trailing spaces from an input string
1126 $s =~ s/^\s+|\s+$//;
1130 # add a ping request to the ping queues
1133 my ($from, $to) = @_;
1134 my $ref = $pings{$to};
1135 $ref = $pings{$to} = [] if !$ref;
1138 $r->{t} = $main::systime;
1139 route($to, pc51($to, $main::mycall, 1));
1143 # add a rcmd request to the rcmd queues
1146 my ($from, $to, $cmd) = @_;
1149 $r->{t} = $main::systime;
1151 route($to, pc34($main::mycall, $to, $cmd));