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 $self->send_now('E',"0");
129 # send initialisation string
130 if (!$self->{outbound}) {
131 $self->send(pc38()) if DXNode->get_all();
133 # remove from outstanding connects queue
134 @main::outstanding_connects = grep {$_->{call} ne $call} @main::outstanding_connects;
136 $self->state('init');
138 $self->pingint($user->pingint || 3*60);
140 $self->lastping($main::systime);
141 $self->pingtime([ ]);
143 Log('DXProt', "$call connected");
147 # This is the normal pcxx despatcher
151 my ($self, $line) = @_;
152 my @field = split /\^/, $line;
153 pop @field if $field[-1] eq '~';
155 # print join(',', @field), "\n";
157 # ignore any lines that don't start with PC
158 return if !$field[0] =~ /^PC/;
161 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
163 return if $pcno < 10 || $pcno > 51;
165 # dump bad protocol messages unless it is a PC29
166 if ($line =~ /\%[0-9A-F][0-9A-F]/o && $pcno != 29) {
167 dbg('chan', "CORRUPT protocol message - dumped");
174 $pcr = Local::pcprot($self, $pcno, @field);
176 # dbg('local', "Local::pcprot error $@") if $@;
180 if ($pcno == 10) { # incoming talk
182 # is it for me or one of mine?
183 my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
184 if ($call eq $main::mycall || grep $_ eq $call, get_all_user_calls()) {
187 my $text = unpad($field[3]);
188 Log('talk', $call, $field[1], $field[6], $text);
189 $call = $main::myalias if $call eq $main::mycall;
190 my $ref = DXChannel->get($call);
191 $ref->send("$call de $field[1]: $text") if $ref && $ref->{talk};
193 $self->route($field[2], $line); # relay it on its way
198 if ($pcno == 11 || $pcno == 26) { # dx spot
200 # route 'foreign' pc26s
202 if ($field[7] ne $main::mycall) {
203 $self->route($field[7], $line);
208 # if this is a 'nodx' node then ignore it
209 if (grep $field[7] =~ /^$_/, @DXProt::nodx_node) {
210 dbg('chan', "Bad DXNode, dropped");
214 # convert the date to a unix date
215 my $d = cltounix($field[3], $field[4]);
216 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
217 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
218 dbg('chan', "Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
222 # strip off the leading & trailing spaces from the comment
223 my $text = unpad($field[5]);
226 my $spotter = $field[6];
227 $spotter =~ s/-[\@\d]+$//o; # strip off the ssid from the spotter
230 my $freq = $field[1] - 0;
231 my $dupkey = "$freq$field[2]$d$text$spotter";
232 if ($spotdup{$dupkey}) {
233 dbg('chan', "Duplicate Spot ignored\n");
237 $spotdup{$dupkey} = $d;
240 if (grep $field[2] eq $_, @baddx) {
241 dbg('chan', "Bad DX spot, ignored");
245 # are any of the crucial fields invalid?
246 if ($field[2] =~ /[a-z]/ || $field[6] =~ /[a-z]/ || $field[7] =~ /[a-z]/) {
247 dbg('chan', "Spot contains lower case callsigns, rejected");
251 my @spot = Spot::add($freq, $field[2], $d, $text, $spotter, $field[7]);
254 # @spot at this point contains:-
255 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
256 # then spotted itu, spotted cq, spotters itu, spotters cq
257 # you should be able to route on any of these
263 $r = Local::spot($self, @spot);
265 # dbg('local', "Local::spot1 error $@") if $@;
268 # DON'T be silly and send on PC26s!
269 return if $pcno == 26;
271 # send out the filtered spots
272 send_dx_spot($self, $line, @spot) if @spot;
276 if ($pcno == 12) { # announces
277 # announce duplicate checking
278 my $text = substr(uc unpad($field[3]), 0, $pc12_dup_lth);
279 my $dupkey = $field[1].$field[2].$text;
280 if ($anndup{$dupkey}) {
281 dbg('chan', "Duplicate Announce ignored\n");
284 $anndup{$dupkey} = $main::systime;
286 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
288 # global ann filtering on INPUT
289 if ($self->{inannfilter}) {
290 my ($filter, $hops) = Filter::it($self->{inannfilter}, @field[1..6], $self->{call} );
292 dbg('chan', "Rejected by filter");
298 $self->send_announce($line, @field[1..6]);
300 if ($decode_dk0wcy && $field[1] eq $decode_dk0wcy) {
301 my ($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+)/;
302 $alarm = ($alarm =~ /^Y/i) ? ', Aurora in DE' : '';
303 my $wwv = Geomag::update($main::systime, $hour, $sfi, $a, $k, "R=$r, Next K=$next$alarm", $decode_dk0wcy, $field[5], $r) if $sfi && $r;
307 $self->route($field[2], $line);
323 if ($pcno == 16) { # add a user
324 my $node = DXCluster->get_exact($field[1]);
326 if (!$node && ($dxchan = DXChannel->get($field[1]))) {
327 # add it to the node table if it isn't present and it's
329 $node = DXNode->new($dxchan, $field[1], 0, 1, 5400);
330 broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
333 return unless $node; # ignore if havn't seen a PC19 for this one yet
334 return unless $node->isa('DXNode');
335 if ($node->dxchan != $self) {
336 dbg('chan', "LOOP: $field[1] came in on wrong channel");
339 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
340 dbg('chan', "LOOP: $field[1] connected locally");
345 for ($i = 2; $i < $#field; $i++) {
346 my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
347 next if !$call || length $call < 3 || length $call > 8;
350 next if DXCluster->get_exact($call); # we already have this (loop?)
352 $confmode = $confmode eq '*';
353 DXNodeuser->new($self, $node, $call, $confmode, $here);
355 # add this station to the user database, if required
356 $call =~ s/-\d+$//o; # remove ssid for users
357 my $user = DXUser->get_current($call);
358 $user = DXUser->new($call) if !$user;
359 $user->homenode($node->call) if !$user->homenode;
360 $user->node($node->call);
361 $user->lastin($main::systime) unless DXChannel->get($call);
365 # queue up any messages (look for privates only)
366 DXMsg::queue_msg(1) if $self->state eq 'normal';
370 if ($pcno == 17) { # remove a user
371 my $node = DXCluster->get_exact($field[2]);
373 if (!$node && ($dxchan = DXChannel->get($field[2]))) {
374 # add it to the node table if it isn't present and it's
376 $node = DXNode->new($dxchan, $field[2], 0, 1, 5400);
377 broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
381 return unless $node->isa('DXNode');
382 if ($node->dxchan != $self) {
383 dbg('chan', "LOOP: $field[2] came in on wrong channel");
386 if (($dxchan = DXChannel->get($field[2])) && $dxchan != $self) {
387 dbg('chan', "LOOP: $field[2] connected locally");
390 my $ref = DXCluster->get_exact($field[1]);
395 if ($pcno == 18) { # link request
396 $self->state('init');
398 # first clear out any nodes on this dxchannel
399 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
400 foreach my $node (@gonenodes) {
401 next if $node->dxchan == $DXProt::me;
402 broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate};
405 $self->send_local_config();
407 return; # we don't pass these on
410 if ($pcno == 19) { # incoming cluster list
412 my $newline = "PC19^";
413 for ($i = 1; $i < $#field-1; $i += 4) {
414 my $here = $field[$i];
415 my $call = uc $field[$i+1];
416 my $confmode = $field[$i+2];
417 my $ver = $field[$i+3];
419 $ver = 5400 if !$ver && $allowzero;
421 # now check the call over
422 my $node = DXCluster->get_exact($call);
425 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
426 dbg('chan', "LOOP: $call connected locally");
428 if ($node->dxchan != $self) {
429 dbg('chan', "LOOP: $call come in on wrong channel");
432 dbg('chan', "already have $call");
436 # check for sane parameters
437 next if $ver < 5000; # only works with version 5 software
438 next if length $call < 3; # min 3 letter callsigns
440 # add it to the nodes table and outgoing line
441 $newline .= "$here^$call^$confmode^$ver^";
442 DXNode->new($self, $call, $confmode, $here, $ver);
444 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
445 my $mref = DXMsg::get_busy($call);
446 $mref->stop_msg($call) if $mref;
448 # add this station to the user database, if required (don't remove SSID from nodes)
449 my $user = DXUser->get_current($call);
451 $user = DXUser->new($call);
453 $user->priv(1); # I have relented and defaulted nodes
454 $self->{priv} = 1; # to user RCMDs allowed
455 $user->homenode($call);
458 $user->lastin($main::systime) unless DXChannel->get($call);
462 return if $newline eq "PC19^";
465 $newline .= get_hops(19) . "^";
470 if ($pcno == 20) { # send local configuration
471 $self->send_local_config();
473 $self->state('normal');
477 if ($pcno == 21) { # delete a cluster from the list
478 my $call = uc $field[1];
479 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
480 my $node = DXCluster->get_exact($call);
482 if ($node->dxchan != $self) {
483 dbg('chan', "LOOP: $call come in on wrong channel");
487 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
488 dbg('chan', "LOOP: $call connected locally");
493 dbg('chan', "$call not in table, dropped");
501 $self->state('normal');
505 if ($pcno == 23 || $pcno == 27) { # WWV info
507 # route 'foreign' pc27s
509 if ($field[8] ne $main::mycall) {
510 $self->route($field[8], $line);
516 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
517 my $sfi = unpad($field[3]);
518 my $k = unpad($field[4]);
519 my $i = unpad($field[5]);
520 my ($r) = $field[6] =~ /R=(\d+)/;
522 my $dupkey = "$d.$sfi$k$i";
523 if ($wwvdup{$dupkey}) {
524 dbg('chan', "Dup WWV Spot ignored\n");
527 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
528 dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
531 $wwvdup{$dupkey} = $d;
532 $field[6] =~ s/-\d+$//o; # remove spotter's ssid
534 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
538 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
540 # dbg('local', "Local::wwv2 error $@") if $@;
543 # DON'T be silly and send on PC27s!
544 return if $pcno == 27;
546 # broadcast to the eager world
547 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
551 if ($pcno == 24) { # set here status
552 my $call = uc $field[1];
553 my $ref = DXCluster->get_exact($call);
554 $ref->here($field[2]) if $ref;
558 if ($pcno == 25) { # merge request
559 if ($field[1] ne $main::mycall) {
560 $self->route($field[1], $line);
563 if ($field[2] eq $main::mycall) {
564 dbg('chan', "Trying to merge to myself, ignored");
568 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
572 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
575 $self->send(pc26(@{$in}[0..4], $field[2]));
581 my @in = reverse Geomag::search(0, $field[4], time, 1);
584 $self->send(pc27(@{$in}[0..5], $field[2]));
590 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
591 if ($pcno == 49 || $field[1] eq $main::mycall) {
592 DXMsg::process($self, $line);
594 $self->route($field[1], $line);
599 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
600 if ($field[1] eq $main::mycall) {
601 my $ref = DXUser->get_current($field[2]);
602 my $cref = DXCluster->get($field[2]);
603 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
604 unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
605 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
606 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
607 my $oldpriv = $self->{priv};
608 $self->{priv} = $ref->{priv}; # assume the user's privilege level
609 my @in = (DXCommandmode::run_cmd($self, $field[3]));
610 $self->{priv} = $oldpriv;
613 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
614 Log('rcmd', 'out', $field[2], $_);
616 delete $self->{remotecmd};
618 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
621 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
624 $self->route($field[1], $line);
629 if ($pcno == 35) { # remote command replies
630 if ($field[1] eq $main::mycall) {
631 my $s = $rcmds{$field[2]};
633 my $dxchan = DXChannel->get($s->{call});
634 $dxchan->send($field[3]) if $dxchan;
635 delete $rcmds{$field[2]} if !$dxchan;
638 $self->route($field[1], $line);
643 # for pc 37 see 44 onwards
645 if ($pcno == 38) { # node connected list from neighbour
649 if ($pcno == 39) { # incoming disconnect
654 if ($pcno == 41) { # user info
655 # add this station to the user database, if required
656 my $user = DXUser->get_current($field[1]);
658 # then try without an SSID
659 $field[1] =~ s/-\d+$//o;
660 $user = DXUser->get_current($field[1]);
662 $user = DXUser->new($field[1]) if !$user;
664 if ($field[2] == 1) {
665 $user->name($field[3]);
666 } elsif ($field[2] == 2) {
667 $user->qth($field[3]);
668 } elsif ($field[2] == 3) {
669 my ($lat, $long) = DXBearing::stoll($field[3]);
672 } elsif ($field[2] == 4) {
673 $user->homenode($field[3]);
681 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47) {
682 DXDb::process($self, $line);
686 if ($pcno == 50) { # keep alive/user list
687 my $node = DXCluster->get_exact($field[1]);
689 return unless $node->isa('DXNode');
690 return unless $node->dxchan == $self;
691 $node->update_users($field[2]);
696 if ($pcno == 51) { # incoming ping requests/answers
699 if ($field[1] eq $main::mycall) {
700 my $flag = $field[3];
702 $self->send(pc51($field[2], $field[1], '0'));
704 # it's a reply, look in the ping list for this one
705 my $ref = $pings{$field[2]};
707 my $tochan = DXChannel->get($field[2]);
710 my $dxchan = DXChannel->get($r->{call});
712 my $t = tv_interval($r->{t}, [ gettimeofday ]);
713 if ($dxchan->is_user) {
714 my $s = sprintf "%.2f", $t;
715 my $ave = sprintf "%.2f", $tochan ? ($tochan->pingave || $t) : $t;
716 $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
717 } elsif ($dxchan->is_ak1a) {
719 $tochan->nopings(3); # pump up the timer
720 push @{$tochan->pingtime}, $t;
721 shift @{$tochan->pingtime} if @{$tochan->pingtime} > 6;
723 for (@{$tochan->pingtime}) {
726 $tochan->{pingave} = $st / @{$tochan->pingtime};
733 # route down an appropriate thingy
734 $self->route($field[1], $line);
740 # if get here then rebroadcast the thing with its Hop count decremented (if
741 # there is one). If it has a hop count and it decrements to zero then don't
744 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
748 unless ($self->{isolate}) {
749 broadcast_ak1a($line, $self); # send it to everyone but me
754 # This is called from inside the main cluster processing loop and is used
755 # for despatching commands that are doing some long processing job
760 my @dxchan = DXChannel->get_all();
763 foreach $dxchan (@dxchan) {
764 next unless $dxchan->is_ak1a();
765 next if $dxchan == $me;
767 # send a pc50 out on this channel
768 if ($t >= $dxchan->pc50_t + $DXProt::pc50_interval) {
769 $dxchan->send(pc50());
773 # send a ping out on this channel
774 if ($t >= $dxchan->pingint + $dxchan->lastping) {
775 if ($dxchan->nopings <= 0) {
778 addping($main::mycall, $dxchan->call);
779 $dxchan->nopings($dxchan->nopings - 1);
780 $dxchan->lastping($t);
788 if ($main::systime - 3600 > $last_hour) {
789 $cutoff = $main::systime - $pc11_dup_age;
790 while (($key, $val) = each %spotdup) {
791 delete $spotdup{$key} if $val < $cutoff;
793 $cutoff = $main::systime - $pc23_dup_age;
794 while (($key, $val) = each %wwvdup) {
795 delete $wwvdup{$key} if $val < $cutoff;
797 $cutoff = $main::systime - $pc12_dup_age;
798 while (($key, $val) = each %anndup) {
799 delete $anndup{$key} if $val < $cutoff;
801 $last_hour = $main::systime;
806 # finish up a pc context
811 my $call = $self->call;
812 my $ref = DXCluster->get_exact($call);
814 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
816 # unbusy and stop and outgoing mail
817 my $mref = DXMsg::get_busy($call);
818 $mref->stop_msg($call) if $mref;
820 # broadcast to all other nodes that all the nodes connected to via me are gone
821 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
824 foreach $node (@gonenodes) {
825 next if $node->call eq $call;
826 broadcast_ak1a(pc21($node->call, 'Gone') , $self) unless $self->{isolate};
830 # remove outstanding pings
831 delete $pings{$call};
833 # now broadcast to all other ak1a nodes that I have gone
834 broadcast_ak1a(pc21($call, 'Gone.'), $self) unless $self->{isolate};
836 Log('DXProt', $call . " Disconnected");
841 # some active measures
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 $dxchan (@dxchan) {
856 if ($dxchan->{spotfilter}) {
857 ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} );
861 if ($dxchan->is_ak1a) {
862 next if $dxchan == $self;
865 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
867 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
868 next unless $routeit;
871 $dxchan->send($routeit) if $routeit;
873 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
875 } elsif ($dxchan->is_user && $dxchan->{dx}) {
876 my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
877 $buf .= "\a\a" if $dxchan->{beep};
878 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
881 $dxchan->delay($buf);
891 my @dxchan = DXChannel->get_all();
894 # send it if it isn't the except list and isn't isolated and still has a hop count
895 # taking into account filtering and so on
896 foreach $dxchan (@dxchan) {
900 if ($dxchan->{spotfilter}) {
901 ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} );
904 if ($dxchan->is_ak1a) {
905 next if $dxchan == $self;
908 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
910 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
911 next unless $routeit;
914 $dxchan->send($routeit) if $routeit;
916 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
919 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
920 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
921 $buf .= "\a\a" if $dxchan->{beep};
922 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
925 $dxchan->delay($buf);
936 my @dxchan = DXChannel->get_all();
938 my $text = unpad($_[2]);
942 if ($_[3] eq '*') { # sysops
944 } elsif ($_[3] gt ' ') { # speciality list handling
945 my ($name) = split /\./, $_[3];
946 $target = "$name"; # put the rest in later (if bothered)
953 $target = "All" if !$target;
955 Log('ann', $target, $_[0], $text);
957 # send it if it isn't the except list and isn't isolated and still has a hop count
958 # taking into account filtering and so on
959 foreach $dxchan (@dxchan) {
963 if ($dxchan->{annfilter}) {
964 ($filter, $hops) = Filter::it($dxchan->{annfilter}, @_, $self->{call} );
967 if ($dxchan->is_ak1a && $_[1] ne $main::mycall) { # i.e not specifically routed to me
968 next if $dxchan == $self;
971 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
973 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
974 next unless $routeit;
977 $dxchan->send($routeit) if $routeit;
979 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
982 } elsif ($dxchan->is_user && $dxchan->{ann}) {
983 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
984 my $buf = "$to$target de $_[0]: $text";
985 $buf .= "\a\a" if $dxchan->{beep};
986 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
989 $dxchan->delay($buf);
995 sub send_local_config
1004 if ($self->{isolate}) {
1005 @localnodes = (DXCluster->get_exact($main::mycall));
1007 # create a list of all the nodes that are not connected to this connection
1008 # and are not themselves isolated, this to make sure that isolated nodes
1009 # don't appear outside of this node
1010 @nodes = DXNode::get_all();
1011 @nodes = grep { $_->{call} ne $main::mycall } @nodes;
1012 @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
1013 @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
1014 @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
1015 unshift @localnodes, DXCluster->get_exact($main::mycall);
1016 @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
1019 my @s = $me->pc19(@localnodes, @remotenodes);
1021 my $routeit = adjust_hops($self, $_);
1022 $self->send($routeit) if $routeit;
1025 # get all the users connected on the above nodes and send them out
1026 foreach $n (@localnodes, @remotenodes) {
1027 my @users = values %{$n->list};
1028 my @s = pc16($n, @users);
1030 my $routeit = adjust_hops($self, $_);
1031 $self->send($routeit) if $routeit;
1037 # route a message down an appropriate interface for a callsign
1039 # is called route(to, pcline);
1043 my ($self, $call, $line) = @_;
1044 my $cl = DXCluster->get_exact($call);
1045 if ($cl) { # don't route it back down itself
1046 if (ref $self && $call eq $self->{call}) {
1047 dbg('chan', "Trying to route back to source, dropped");
1051 my $dxchan = $cl->{dxchan};
1053 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1055 $dxchan->send($routeit) if $dxchan;
1061 # broadcast a message to all clusters taking into account isolation
1062 # [except those mentioned after buffer]
1065 my $s = shift; # the line to be rebroadcast
1066 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1067 my @dxchan = get_all_ak1a();
1070 # send it if it isn't the except list and isn't isolated and still has a hop count
1071 foreach $dxchan (@dxchan) {
1072 next if grep $dxchan == $_, @except;
1073 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1074 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1078 # broadcast a message to all clusters ignoring isolation
1079 # [except those mentioned after buffer]
1080 sub broadcast_all_ak1a
1082 my $s = shift; # the line to be rebroadcast
1083 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1084 my @dxchan = get_all_ak1a();
1087 # send it if it isn't the except list and isn't isolated and still has a hop count
1088 foreach $dxchan (@dxchan) {
1089 next if grep $dxchan == $_, @except;
1090 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1091 $dxchan->send($routeit);
1095 # broadcast to all users
1096 # storing the spot or whatever until it is in a state to receive it
1099 my $s = shift; # the line to be rebroadcast
1100 my $sort = shift; # the type of transmission
1101 my $fref = shift; # a reference to an object to filter on
1102 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1103 my @dxchan = get_all_users();
1107 foreach $dxchan (@dxchan) {
1108 next if grep $dxchan == $_, @except;
1111 broadcast_list($s, $sort, $fref, @out);
1114 # broadcast to a list of users
1122 foreach $dxchan (@_) {
1125 if ($sort eq 'dx') {
1126 next unless $dxchan->{dx};
1127 ($filter) = Filter::it($dxchan->{spotfilter}, @{$fref}) if ref $fref;
1128 next unless $filter;
1130 next if $sort eq 'ann' && !$dxchan->{ann};
1131 next if $sort eq 'wwv' && !$dxchan->{wwv};
1132 next if $sort eq 'wx' && !$dxchan->{wx};
1134 $s =~ s/\a//og unless $dxchan->{beep};
1136 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
1145 # gimme all the ak1a nodes
1149 my @list = DXChannel->get_all();
1152 foreach $ref (@list) {
1153 push @out, $ref if $ref->is_ak1a;
1158 # return a list of all users
1161 my @list = DXChannel->get_all();
1164 foreach $ref (@list) {
1165 push @out, $ref if $ref->is_user;
1170 # return a list of all user callsigns
1171 sub get_all_user_calls
1173 my @list = DXChannel->get_all();
1176 foreach $ref (@list) {
1177 push @out, $ref->call if $ref->is_user;
1183 # obtain the hops from the list for this callsign and pc no
1189 my $hops = $DXProt::hopcount{$pcno};
1190 $hops = $DXProt::def_hopcount if !$hops;
1195 # adjust the hop count on a per node basis using the user loadable
1196 # hop table if available or else decrement an existing one
1203 my $call = $self->{call};
1206 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1207 my ($pcno) = $s =~ /^PC(\d\d)/o;
1208 confess "$call called adjust_hops with '$s'" unless $pcno;
1209 my $ref = $nodehops{$call} if %nodehops;
1211 my $newhops = $ref->{$pcno};
1212 return "" if defined $newhops && $newhops == 0;
1213 $newhops = $ref->{default} unless $newhops;
1214 return "" if defined $newhops && $newhops == 0;
1215 $newhops = $hops if !$newhops;
1216 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1218 # simply decrement it
1220 return "" if !$hops;
1221 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1233 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1234 do "$main::data/hop_table.pl";
1239 # remove leading and trailing spaces from an input string
1243 $s =~ s/^\s+|\s+$//;
1247 # add a ping request to the ping queues
1250 my ($from, $to) = @_;
1251 my $ref = $pings{$to} || [];
1254 $r->{t} = [ gettimeofday ];
1255 route(undef, $to, pc51($to, $main::mycall, 1));
1260 # add a rcmd request to the rcmd queues
1263 my ($from, $to, $cmd) = @_;
1266 $r->{t} = $main::systime;
1268 route(undef, $to, pc34($main::mycall, $to, $cmd));