3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
28 use Time::HiRes qw(gettimeofday tv_interval);
33 use vars qw($me $pc11_max_age $pc23_max_age $pc11_dup_age $pc23_dup_age
34 %spotdup %wwvdup $last_hour %pings %rcmds
35 %nodehops @baddx $baddxfn $pc12_dup_age
36 %anndup $allowzero $pc12_dup_lth $decode_dk0wcy);
38 $me = undef; # the channel id for this cluster
39 $decode_dk0wcy = undef; # if set use this callsign to decode announces from the EU WWV data beacon
40 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
41 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
42 $pc11_dup_age = 3*3600; # the maximum time to keep the spot dup list for
43 $pc23_dup_age = 3*3600; # the maximum time to keep the wwv dup list for
44 $pc12_dup_age = 24*3600; # the maximum time to keep the ann dup list for
45 $pc12_dup_lth = 60; # the length of ANN text to save for deduping
46 %spotdup = (); # the pc11 and 26 dup hash
47 %wwvdup = (); # the pc23 and 27 dup hash
48 %anndup = (); # the PC12 dup hash
49 $last_hour = time; # last time I did an hourly periodic update
50 %pings = (); # outstanding ping requests outbound
51 %rcmds = (); # outstanding rcmd requests outbound
52 %nodehops = (); # node specific hop control
53 @baddx = (); # list of illegal spotted callsigns
56 $baddxfn = "$main::data/baddx.pl";
60 my $user = DXUser->get($main::mycall);
61 $DXProt::myprot_version += $main::version*100;
62 $me = DXProt->new($main::mycall, 0, $user);
64 $me->{state} = "indifferent";
65 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
67 # $me->{sort} = 'M'; # M for me
69 # now prime the spot duplicates file with today's and yesterday's data
70 my @today = Julian::unixtoj(time);
71 my @spots = Spot::readfile(@today);
72 @today = Julian::sub(@today, 1);
73 push @spots, Spot::readfile(@today);
75 my $dupkey = "$_->[0]$_->[1]$_->[2]$_->[3]$_->[4]";
76 $spotdup{$dupkey} = $_->[2];
79 # now prime the wwv duplicates file with just this month's data
80 my @wwv = Geomag::readfile(time);
82 my $dupkey = "$_->[1].$_->[2]$_->[3]$_->[4]";
83 $wwvdup{$dupkey} = $_->[1];
87 do "$baddxfn" if -e "$baddxfn";
92 # obtain a new connection this is derived from dxchannel
97 my $self = DXChannel::alloc(@_);
98 $self->{'sort'} = 'A'; # in absence of how to find out what sort of an object I am
102 # this is how a pc connection starts (for an incoming connection)
103 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
104 # all the crap that comes between).
107 my ($self, $line, $sort) = @_;
108 my $call = $self->{call};
109 my $user = $self->{user};
111 # remember type of connection
112 $self->{consort} = $line;
113 $self->{outbound} = $sort eq 'O';
114 $self->{priv} = $user->priv;
115 $self->{lang} = $user->lang;
116 $self->{isolate} = $user->{isolate};
117 $self->{consort} = $line; # save the connection type
120 # get the INPUT filters (these only pertain to Clusters)
121 $self->{inspotfilter} = Filter::read_in('spots', $call, 1);
122 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1);
123 $self->{inannfilter} = Filter::read_in('ann', $call, 1);
125 # set unbuffered and no echo
126 $self->send_now('B',"0");
127 $self->send_now('E',"0");
129 # ping neighbour node stuff
130 $self->pingint($user->pingint || 3*60);
132 $self->pingtime([ ]);
134 # send initialisation string
135 unless ($self->{outbound}) {
136 $self->send(pc38()) if DXNode->get_all();
138 $self->lastping($main::systime);
140 # remove from outstanding connects queue
141 @main::outstanding_connects = grep {$_->{call} ne $call} @main::outstanding_connects;
142 $self->lastping($main::systime + $self->pingint / 2);
144 $self->state('init');
147 Log('DXProt', "$call connected");
151 # This is the normal pcxx despatcher
155 my ($self, $line) = @_;
156 my @field = split /\^/, $line;
157 pop @field if $field[-1] eq '~';
159 # print join(',', @field), "\n";
161 # ignore any lines that don't start with PC
162 return if !$field[0] =~ /^PC/;
165 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
167 return if $pcno < 10 || $pcno > 51;
169 # dump bad protocol messages unless it is a PC29
170 if ($line =~ /\%[0-9A-F][0-9A-F]/o && $pcno != 29) {
171 dbg('chan', "CORRUPT protocol message - dumped");
178 $pcr = Local::pcprot($self, $pcno, @field);
180 # dbg('local', "Local::pcprot error $@") if $@;
184 if ($pcno == 10) { # incoming talk
186 # is it for me or one of mine?
187 my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
188 if ($call eq $main::mycall || grep $_ eq $call, get_all_user_calls()) {
191 my $text = unpad($field[3]);
192 Log('talk', $call, $field[1], $field[6], $text);
193 $call = $main::myalias if $call eq $main::mycall;
194 my $ref = DXChannel->get($call);
195 $ref->send("$call de $field[1]: $text") if $ref && $ref->{talk};
197 $self->route($field[2], $line); # relay it on its way
202 if ($pcno == 11 || $pcno == 26) { # dx spot
204 # route 'foreign' pc26s
206 if ($field[7] ne $main::mycall) {
207 $self->route($field[7], $line);
212 # if this is a 'nodx' node then ignore it
213 if (grep $field[7] =~ /^$_/, @DXProt::nodx_node) {
214 dbg('chan', "Bad DXNode, dropped");
218 # convert the date to a unix date
219 my $d = cltounix($field[3], $field[4]);
220 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
221 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
222 dbg('chan', "Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
226 # strip off the leading & trailing spaces from the comment
227 my $text = unpad($field[5]);
230 my $spotter = $field[6];
231 $spotter =~ s/-[\@\d]+$//o; # strip off the ssid from the spotter
234 my $freq = $field[1] - 0;
235 my $dupkey = "$freq$field[2]$d$text$spotter";
236 if ($spotdup{$dupkey}) {
237 dbg('chan', "Duplicate Spot ignored\n");
241 $spotdup{$dupkey} = $d;
244 if (grep $field[2] eq $_, @baddx) {
245 dbg('chan', "Bad DX spot, ignored");
249 # are any of the crucial fields invalid?
250 if ($field[2] =~ /[a-z]/ || $field[6] =~ /[a-z]/ || $field[7] =~ /[a-z]/) {
251 dbg('chan', "Spot contains lower case callsigns, rejected");
255 my @spot = Spot::add($freq, $field[2], $d, $text, $spotter, $field[7]);
258 # @spot at this point contains:-
259 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
260 # then spotted itu, spotted cq, spotters itu, spotters cq
261 # you should be able to route on any of these
267 $r = Local::spot($self, @spot);
269 # dbg('local', "Local::spot1 error $@") if $@;
272 # DON'T be silly and send on PC26s!
273 return if $pcno == 26;
275 # send out the filtered spots
276 send_dx_spot($self, $line, @spot) if @spot;
280 if ($pcno == 12) { # announces
281 # announce duplicate checking
282 my $text = substr(uc unpad($field[3]), 0, $pc12_dup_lth);
283 my $dupkey = $field[1].$field[2].$text;
284 if ($anndup{$dupkey}) {
285 dbg('chan', "Duplicate Announce ignored\n");
288 $anndup{$dupkey} = $main::systime;
290 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
292 # global ann filtering on INPUT
293 if ($self->{inannfilter}) {
294 my ($filter, $hops) = Filter::it($self->{inannfilter}, @field[1..6], $self->{call} );
296 dbg('chan', "Rejected by filter");
302 $self->send_announce($line, @field[1..6]);
304 if ($decode_dk0wcy && $field[1] eq $decode_dk0wcy) {
305 my ($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+)/;
306 $alarm = ($alarm =~ /^Y/i) ? ', Aurora in DE' : '';
307 my $wwv = Geomag::update($main::systime, $hour, $sfi, $a, $k, "R=$r, Next K=$next$alarm", $decode_dk0wcy, $field[5], $r) if $sfi && $r;
311 $self->route($field[2], $line);
327 if ($pcno == 16) { # add a user
328 my $node = DXCluster->get_exact($field[1]);
330 if (!$node && ($dxchan = DXChannel->get($field[1]))) {
331 # add it to the node table if it isn't present and it's
333 $node = DXNode->new($dxchan, $field[1], 0, 1, 5400);
334 broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
337 return unless $node; # ignore if havn't seen a PC19 for this one yet
338 return unless $node->isa('DXNode');
339 if ($node->dxchan != $self) {
340 dbg('chan', "LOOP: $field[1] came in on wrong channel");
343 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
344 dbg('chan', "LOOP: $field[1] connected locally");
349 for ($i = 2; $i < $#field; $i++) {
350 my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
351 next if !$call || length $call < 3 || length $call > 8;
354 next if DXCluster->get_exact($call); # we already have this (loop?)
356 $confmode = $confmode eq '*';
357 DXNodeuser->new($self, $node, $call, $confmode, $here);
359 # add this station to the user database, if required
360 $call =~ s/-\d+$//o; # remove ssid for users
361 my $user = DXUser->get_current($call);
362 $user = DXUser->new($call) if !$user;
363 $user->homenode($node->call) if !$user->homenode;
364 $user->node($node->call);
365 $user->lastin($main::systime) unless DXChannel->get($call);
369 # queue up any messages (look for privates only)
370 DXMsg::queue_msg(1) if $self->state eq 'normal';
374 if ($pcno == 17) { # remove a user
375 my $node = DXCluster->get_exact($field[2]);
377 if (!$node && ($dxchan = DXChannel->get($field[2]))) {
378 # add it to the node table if it isn't present and it's
380 $node = DXNode->new($dxchan, $field[2], 0, 1, 5400);
381 broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
385 return unless $node->isa('DXNode');
386 if ($node->dxchan != $self) {
387 dbg('chan', "LOOP: $field[2] came in on wrong channel");
390 if (($dxchan = DXChannel->get($field[2])) && $dxchan != $self) {
391 dbg('chan', "LOOP: $field[2] connected locally");
394 my $ref = DXCluster->get_exact($field[1]);
399 if ($pcno == 18) { # link request
400 $self->state('init');
402 # first clear out any nodes on this dxchannel
403 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
404 foreach my $node (@gonenodes) {
405 next if $node->dxchan == $DXProt::me;
406 broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate};
409 $self->send_local_config();
411 return; # we don't pass these on
414 if ($pcno == 19) { # incoming cluster list
416 my $newline = "PC19^";
417 for ($i = 1; $i < $#field-1; $i += 4) {
418 my $here = $field[$i];
419 my $call = uc $field[$i+1];
420 my $confmode = $field[$i+2];
421 my $ver = $field[$i+3];
423 $ver = 5400 if !$ver && $allowzero;
425 # now check the call over
426 my $node = DXCluster->get_exact($call);
429 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
430 dbg('chan', "LOOP: $call connected locally");
432 if ($node->dxchan != $self) {
433 dbg('chan', "LOOP: $call come in on wrong channel");
436 dbg('chan', "already have $call");
440 # check for sane parameters
441 next if $ver < 5000; # only works with version 5 software
442 next if length $call < 3; # min 3 letter callsigns
444 # add it to the nodes table and outgoing line
445 $newline .= "$here^$call^$confmode^$ver^";
446 DXNode->new($self, $call, $confmode, $here, $ver);
448 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
449 my $mref = DXMsg::get_busy($call);
450 $mref->stop_msg($call) if $mref;
452 # add this station to the user database, if required (don't remove SSID from nodes)
453 my $user = DXUser->get_current($call);
455 $user = DXUser->new($call);
457 $user->priv(1); # I have relented and defaulted nodes
458 $self->{priv} = 1; # to user RCMDs allowed
459 $user->homenode($call);
462 $user->lastin($main::systime) unless DXChannel->get($call);
466 return if $newline eq "PC19^";
469 $newline .= get_hops(19) . "^";
474 if ($pcno == 20) { # send local configuration
475 $self->send_local_config();
477 $self->state('normal');
481 if ($pcno == 21) { # delete a cluster from the list
482 my $call = uc $field[1];
483 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
484 my $node = DXCluster->get_exact($call);
486 if ($node->dxchan != $self) {
487 dbg('chan', "LOOP: $call come in on wrong channel");
491 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
492 dbg('chan', "LOOP: $call connected locally");
497 dbg('chan', "$call not in table, dropped");
505 $self->state('normal');
509 if ($pcno == 23 || $pcno == 27) { # WWV info
511 # route 'foreign' pc27s
513 if ($field[8] ne $main::mycall) {
514 $self->route($field[8], $line);
520 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
521 my $sfi = unpad($field[3]);
522 my $k = unpad($field[4]);
523 my $i = unpad($field[5]);
524 my ($r) = $field[6] =~ /R=(\d+)/;
526 my $dupkey = "$d.$sfi$k$i";
527 if ($wwvdup{$dupkey}) {
528 dbg('chan', "Dup WWV Spot ignored\n");
531 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
532 dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
535 $wwvdup{$dupkey} = $d;
536 $field[6] =~ s/-\d+$//o; # remove spotter's ssid
538 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
542 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
544 # dbg('local', "Local::wwv2 error $@") if $@;
547 # DON'T be silly and send on PC27s!
548 return if $pcno == 27;
550 # broadcast to the eager world
551 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
555 if ($pcno == 24) { # set here status
556 my $call = uc $field[1];
557 my $ref = DXCluster->get_exact($call);
558 $ref->here($field[2]) if $ref;
562 if ($pcno == 25) { # merge request
563 if ($field[1] ne $main::mycall) {
564 $self->route($field[1], $line);
567 if ($field[2] eq $main::mycall) {
568 dbg('chan', "Trying to merge to myself, ignored");
572 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
576 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
579 $self->send(pc26(@{$in}[0..4], $field[2]));
585 my @in = reverse Geomag::search(0, $field[4], time, 1);
588 $self->send(pc27(@{$in}[0..5], $field[2]));
594 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
595 if ($pcno == 49 || $field[1] eq $main::mycall) {
596 DXMsg::process($self, $line);
598 $self->route($field[1], $line);
603 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
604 if ($field[1] eq $main::mycall) {
605 my $ref = DXUser->get_current($field[2]);
606 my $cref = DXCluster->get($field[2]);
607 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
608 unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
609 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
610 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
611 my $oldpriv = $self->{priv};
612 $self->{priv} = $ref->{priv}; # assume the user's privilege level
613 my @in = (DXCommandmode::run_cmd($self, $field[3]));
614 $self->{priv} = $oldpriv;
617 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
618 Log('rcmd', 'out', $field[2], $_);
620 delete $self->{remotecmd};
622 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
625 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
628 $self->route($field[1], $line);
633 if ($pcno == 35) { # remote command replies
634 if ($field[1] eq $main::mycall) {
635 my $s = $rcmds{$field[2]};
637 my $dxchan = DXChannel->get($s->{call});
638 $dxchan->send($field[3]) if $dxchan;
639 delete $rcmds{$field[2]} if !$dxchan;
642 $self->route($field[1], $line);
647 # for pc 37 see 44 onwards
649 if ($pcno == 38) { # node connected list from neighbour
653 if ($pcno == 39) { # incoming disconnect
658 if ($pcno == 41) { # user info
659 # add this station to the user database, if required
660 my $user = DXUser->get_current($field[1]);
662 # then try without an SSID
663 $field[1] =~ s/-\d+$//o;
664 $user = DXUser->get_current($field[1]);
666 $user = DXUser->new($field[1]) if !$user;
668 if ($field[2] == 1) {
669 $user->name($field[3]);
670 } elsif ($field[2] == 2) {
671 $user->qth($field[3]);
672 } elsif ($field[2] == 3) {
673 my ($lat, $long) = DXBearing::stoll($field[3]);
676 } elsif ($field[2] == 4) {
677 $user->homenode($field[3]);
685 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47) {
686 DXDb::process($self, $line);
690 if ($pcno == 50) { # keep alive/user list
691 my $node = DXCluster->get_exact($field[1]);
693 return unless $node->isa('DXNode');
694 return unless $node->dxchan == $self;
695 $node->update_users($field[2]);
700 if ($pcno == 51) { # incoming ping requests/answers
703 if ($field[1] eq $main::mycall) {
704 my $flag = $field[3];
706 $self->send(pc51($field[2], $field[1], '0'));
708 # it's a reply, look in the ping list for this one
709 my $ref = $pings{$field[2]};
711 my $tochan = DXChannel->get($field[2]);
714 my $dxchan = DXChannel->get($r->{call});
716 my $t = tv_interval($r->{t}, [ gettimeofday ]);
717 if ($dxchan->is_user) {
718 my $s = sprintf "%.2f", $t;
719 my $ave = sprintf "%.2f", $tochan ? ($tochan->pingave || $t) : $t;
720 $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
721 } elsif ($dxchan->is_ak1a) {
723 $tochan->nopings(3); # pump up the timer
724 push @{$tochan->pingtime}, $t;
725 shift @{$tochan->pingtime} if @{$tochan->pingtime} > 6;
727 for (@{$tochan->pingtime}) {
730 $tochan->{pingave} = $st / @{$tochan->pingtime};
737 # route down an appropriate thingy
738 $self->route($field[1], $line);
744 # if get here then rebroadcast the thing with its Hop count decremented (if
745 # there is one). If it has a hop count and it decrements to zero then don't
748 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
752 unless ($self->{isolate}) {
753 broadcast_ak1a($line, $self); # send it to everyone but me
758 # This is called from inside the main cluster processing loop and is used
759 # for despatching commands that are doing some long processing job
764 my @dxchan = DXChannel->get_all();
767 foreach $dxchan (@dxchan) {
768 next unless $dxchan->is_ak1a();
769 next if $dxchan == $me;
771 # send a pc50 out on this channel
772 if ($t >= $dxchan->pc50_t + $DXProt::pc50_interval) {
773 $dxchan->send(pc50());
777 # send a ping out on this channel
778 if ($t >= $dxchan->pingint + $dxchan->lastping) {
779 if ($dxchan->nopings <= 0) {
782 addping($main::mycall, $dxchan->call);
783 $dxchan->nopings($dxchan->nopings - 1);
784 $dxchan->lastping($t);
792 if ($main::systime - 3600 > $last_hour) {
793 $cutoff = $main::systime - $pc11_dup_age;
794 while (($key, $val) = each %spotdup) {
795 delete $spotdup{$key} if $val < $cutoff;
797 $cutoff = $main::systime - $pc23_dup_age;
798 while (($key, $val) = each %wwvdup) {
799 delete $wwvdup{$key} if $val < $cutoff;
801 $cutoff = $main::systime - $pc12_dup_age;
802 while (($key, $val) = each %anndup) {
803 delete $anndup{$key} if $val < $cutoff;
805 $last_hour = $main::systime;
810 # finish up a pc context
815 my $call = $self->call;
816 my $ref = DXCluster->get_exact($call);
818 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
820 # unbusy and stop and outgoing mail
821 my $mref = DXMsg::get_busy($call);
822 $mref->stop_msg($call) if $mref;
824 # broadcast to all other nodes that all the nodes connected to via me are gone
825 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
828 foreach $node (@gonenodes) {
829 next if $node->call eq $call;
830 broadcast_ak1a(pc21($node->call, 'Gone') , $self) unless $self->{isolate};
834 # remove outstanding pings
835 delete $pings{$call};
837 # now broadcast to all other ak1a nodes that I have gone
838 broadcast_ak1a(pc21($call, 'Gone.'), $self) unless $self->{isolate};
840 Log('DXProt', $call . " Disconnected");
845 # some active measures
851 my @dxchan = DXChannel->get_all();
854 # send it if it isn't the except list and isn't isolated and still has a hop count
855 # taking into account filtering and so on
856 foreach $dxchan (@dxchan) {
860 if ($dxchan->{spotfilter}) {
861 ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} );
865 if ($dxchan->is_ak1a) {
866 next if $dxchan == $self;
869 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
871 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
872 next unless $routeit;
875 $dxchan->send($routeit) if $routeit;
877 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
879 } elsif ($dxchan->is_user && $dxchan->{dx}) {
880 my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
881 $buf .= "\a\a" if $dxchan->{beep};
882 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
885 $dxchan->delay($buf);
895 my @dxchan = DXChannel->get_all();
898 # send it if it isn't the except list and isn't isolated and still has a hop count
899 # taking into account filtering and so on
900 foreach $dxchan (@dxchan) {
904 if ($dxchan->{spotfilter}) {
905 ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} );
908 if ($dxchan->is_ak1a) {
909 next if $dxchan == $self;
912 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
914 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
915 next unless $routeit;
918 $dxchan->send($routeit) if $routeit;
920 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
923 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
924 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
925 $buf .= "\a\a" if $dxchan->{beep};
926 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
929 $dxchan->delay($buf);
940 my @dxchan = DXChannel->get_all();
942 my $text = unpad($_[2]);
946 if ($_[3] eq '*') { # sysops
948 } elsif ($_[3] gt ' ') { # speciality list handling
949 my ($name) = split /\./, $_[3];
950 $target = "$name"; # put the rest in later (if bothered)
957 $target = "All" if !$target;
959 Log('ann', $target, $_[0], $text);
961 # send it if it isn't the except list and isn't isolated and still has a hop count
962 # taking into account filtering and so on
963 foreach $dxchan (@dxchan) {
967 if ($dxchan->{annfilter}) {
968 ($filter, $hops) = Filter::it($dxchan->{annfilter}, @_, $self->{call} );
971 if ($dxchan->is_ak1a && $_[1] ne $main::mycall) { # i.e not specifically routed to me
972 next if $dxchan == $self;
975 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
977 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
978 next unless $routeit;
981 $dxchan->send($routeit) if $routeit;
983 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
986 } elsif ($dxchan->is_user && $dxchan->{ann}) {
987 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
988 my $buf = "$to$target de $_[0]: $text";
989 $buf .= "\a\a" if $dxchan->{beep};
990 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
993 $dxchan->delay($buf);
999 sub send_local_config
1008 if ($self->{isolate}) {
1009 @localnodes = (DXCluster->get_exact($main::mycall));
1011 # create a list of all the nodes that are not connected to this connection
1012 # and are not themselves isolated, this to make sure that isolated nodes
1013 # don't appear outside of this node
1014 @nodes = DXNode::get_all();
1015 @nodes = grep { $_->{call} ne $main::mycall } @nodes;
1016 @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
1017 @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
1018 @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
1019 unshift @localnodes, DXCluster->get_exact($main::mycall);
1020 @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
1023 my @s = $me->pc19(@localnodes, @remotenodes);
1025 my $routeit = adjust_hops($self, $_);
1026 $self->send($routeit) if $routeit;
1029 # get all the users connected on the above nodes and send them out
1030 foreach $n (@localnodes, @remotenodes) {
1031 my @users = values %{$n->list};
1032 my @s = pc16($n, @users);
1034 my $routeit = adjust_hops($self, $_);
1035 $self->send($routeit) if $routeit;
1041 # route a message down an appropriate interface for a callsign
1043 # is called route(to, pcline);
1047 my ($self, $call, $line) = @_;
1048 my $cl = DXCluster->get_exact($call);
1049 if ($cl) { # don't route it back down itself
1050 if (ref $self && $call eq $self->{call}) {
1051 dbg('chan', "Trying to route back to source, dropped");
1055 my $dxchan = $cl->{dxchan};
1057 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1059 $dxchan->send($routeit) if $dxchan;
1065 # broadcast a message to all clusters taking into account isolation
1066 # [except those mentioned after buffer]
1069 my $s = shift; # the line to be rebroadcast
1070 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1071 my @dxchan = get_all_ak1a();
1074 # send it if it isn't the except list and isn't isolated and still has a hop count
1075 foreach $dxchan (@dxchan) {
1076 next if grep $dxchan == $_, @except;
1077 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1078 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1082 # broadcast a message to all clusters ignoring isolation
1083 # [except those mentioned after buffer]
1084 sub broadcast_all_ak1a
1086 my $s = shift; # the line to be rebroadcast
1087 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1088 my @dxchan = get_all_ak1a();
1091 # send it if it isn't the except list and isn't isolated and still has a hop count
1092 foreach $dxchan (@dxchan) {
1093 next if grep $dxchan == $_, @except;
1094 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1095 $dxchan->send($routeit);
1099 # broadcast to all users
1100 # storing the spot or whatever until it is in a state to receive it
1103 my $s = shift; # the line to be rebroadcast
1104 my $sort = shift; # the type of transmission
1105 my $fref = shift; # a reference to an object to filter on
1106 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1107 my @dxchan = get_all_users();
1111 foreach $dxchan (@dxchan) {
1112 next if grep $dxchan == $_, @except;
1115 broadcast_list($s, $sort, $fref, @out);
1118 # broadcast to a list of users
1126 foreach $dxchan (@_) {
1129 if ($sort eq 'dx') {
1130 next unless $dxchan->{dx};
1131 ($filter) = Filter::it($dxchan->{spotfilter}, @{$fref}) if ref $fref;
1132 next unless $filter;
1134 next if $sort eq 'ann' && !$dxchan->{ann};
1135 next if $sort eq 'wwv' && !$dxchan->{wwv};
1136 next if $sort eq 'wx' && !$dxchan->{wx};
1138 $s =~ s/\a//og unless $dxchan->{beep};
1140 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
1149 # gimme all the ak1a nodes
1153 my @list = DXChannel->get_all();
1156 foreach $ref (@list) {
1157 push @out, $ref if $ref->is_ak1a;
1162 # return a list of all users
1165 my @list = DXChannel->get_all();
1168 foreach $ref (@list) {
1169 push @out, $ref if $ref->is_user;
1174 # return a list of all user callsigns
1175 sub get_all_user_calls
1177 my @list = DXChannel->get_all();
1180 foreach $ref (@list) {
1181 push @out, $ref->call if $ref->is_user;
1187 # obtain the hops from the list for this callsign and pc no
1193 my $hops = $DXProt::hopcount{$pcno};
1194 $hops = $DXProt::def_hopcount if !$hops;
1199 # adjust the hop count on a per node basis using the user loadable
1200 # hop table if available or else decrement an existing one
1207 my $call = $self->{call};
1210 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1211 my ($pcno) = $s =~ /^PC(\d\d)/o;
1212 confess "$call called adjust_hops with '$s'" unless $pcno;
1213 my $ref = $nodehops{$call} if %nodehops;
1215 my $newhops = $ref->{$pcno};
1216 return "" if defined $newhops && $newhops == 0;
1217 $newhops = $ref->{default} unless $newhops;
1218 return "" if defined $newhops && $newhops == 0;
1219 $newhops = $hops if !$newhops;
1220 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1222 # simply decrement it
1224 return "" if !$hops;
1225 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1237 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1238 do "$main::data/hop_table.pl";
1243 # remove leading and trailing spaces from an input string
1247 $s =~ s/^\s+|\s+$//;
1251 # add a ping request to the ping queues
1254 my ($from, $to) = @_;
1255 my $ref = $pings{$to} || [];
1258 $r->{t} = [ gettimeofday ];
1259 route(undef, $to, pc51($to, $main::mycall, 1));
1264 # add a rcmd request to the rcmd queues
1267 my ($from, $to, $cmd) = @_;
1270 $r->{t} = $main::systime;
1272 route(undef, $to, pc34($main::mycall, $to, $cmd));