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();
134 $self->state('init');
136 $self->pingint($user->pingint || 3*60);
138 $self->lastping($main::systime);
142 Log('DXProt', "$call connected");
146 # This is the normal pcxx despatcher
150 my ($self, $line) = @_;
151 my @field = split /\^/, $line;
152 pop @field if $field[-1] eq '~';
154 # print join(',', @field), "\n";
156 # ignore any lines that don't start with PC
157 return if !$field[0] =~ /^PC/;
160 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
162 return if $pcno < 10 || $pcno > 51;
164 # dump bad protocol messages unless it is a PC29
165 if ($line =~ /\%[0-9A-F][0-9A-F]/o && $pcno != 29) {
166 dbg('chan', "CORRUPT protocol message - dumped");
173 $pcr = Local::pcprot($self, $pcno, @field);
175 # dbg('local', "Local::pcprot error $@") if $@;
179 if ($pcno == 10) { # incoming talk
181 # is it for me or one of mine?
182 my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
183 if ($call eq $main::mycall || grep $_ eq $call, get_all_user_calls()) {
186 my $text = unpad($field[3]);
187 Log('talk', $call, $field[1], $field[6], $text);
188 $call = $main::myalias if $call eq $main::mycall;
189 my $ref = DXChannel->get($call);
190 $ref->send("$call de $field[1]: $text") if $ref && $ref->{talk};
192 $self->route($field[2], $line); # relay it on its way
197 if ($pcno == 11 || $pcno == 26) { # dx spot
199 # route 'foreign' pc26s
201 if ($field[7] ne $main::mycall) {
202 $self->route($field[7], $line);
207 # if this is a 'nodx' node then ignore it
208 if (grep $field[7] =~ /^$_/, @DXProt::nodx_node) {
209 dbg('chan', "Bad DXNode, dropped");
213 # convert the date to a unix date
214 my $d = cltounix($field[3], $field[4]);
215 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
216 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
217 dbg('chan', "Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
221 # strip off the leading & trailing spaces from the comment
222 my $text = unpad($field[5]);
225 my $spotter = $field[6];
226 $spotter =~ s/-[\@\d]+$//o; # strip off the ssid from the spotter
229 my $freq = $field[1] - 0;
230 my $dupkey = "$freq$field[2]$d$text$spotter";
231 if ($spotdup{$dupkey}) {
232 dbg('chan', "Duplicate Spot ignored\n");
236 $spotdup{$dupkey} = $d;
239 if (grep $field[2] eq $_, @baddx) {
240 dbg('chan', "Bad DX spot, ignored");
244 # are any of the crucial fields invalid?
245 if ($field[2] =~ /[a-z]/ || $field[6] =~ /[a-z]/ || $field[7] =~ /[a-z]/) {
246 dbg('chan', "Spot contains lower case callsigns, rejected");
250 my @spot = Spot::add($freq, $field[2], $d, $text, $spotter, $field[7]);
253 # @spot at this point contains:-
254 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
255 # then spotted itu, spotted cq, spotters itu, spotters cq
256 # you should be able to route on any of these
262 $r = Local::spot($self, @spot);
264 # dbg('local', "Local::spot1 error $@") if $@;
267 # DON'T be silly and send on PC26s!
268 return if $pcno == 26;
270 # send out the filtered spots
271 send_dx_spot($self, $line, @spot) if @spot;
275 if ($pcno == 12) { # announces
276 # announce duplicate checking
277 my $text = substr(uc unpad($field[3]), 0, $pc12_dup_lth);
278 my $dupkey = $field[1].$field[2].$text;
279 if ($anndup{$dupkey}) {
280 dbg('chan', "Duplicate Announce ignored\n");
283 $anndup{$dupkey} = $main::systime;
285 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
287 # global ann filtering on INPUT
288 if ($self->{inannfilter}) {
289 my ($filter, $hops) = Filter::it($self->{inannfilter}, @field[1..6], $self->{call} );
291 dbg('chan', "Rejected by filter");
297 $self->send_announce($line, @field[1..6]);
299 if ($decode_dk0wcy && $field[1] eq $decode_dk0wcy) {
300 my ($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+)/;
301 $alarm = ($alarm =~ /^Y/i) ? ', Aurora in DE' : '';
302 my $wwv = Geomag::update($main::systime, $hour, $sfi, $a, $k, "R=$r, Next K=$next$alarm", $decode_dk0wcy, $field[5], $r) if $sfi && $r;
306 $self->route($field[2], $line);
322 if ($pcno == 16) { # add a user
323 my $node = DXCluster->get_exact($field[1]);
325 if (!$node && ($dxchan = DXChannel->get($field[1]))) {
326 # add it to the node table if it isn't present and it's
328 $node = DXNode->new($dxchan, $field[1], 0, 1, 5400);
329 broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
332 return unless $node; # ignore if havn't seen a PC19 for this one yet
333 return unless $node->isa('DXNode');
334 if ($node->dxchan != $self) {
335 dbg('chan', "LOOP: $field[1] came in on wrong channel");
338 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
339 dbg('chan', "LOOP: $field[1] connected locally");
344 for ($i = 2; $i < $#field; $i++) {
345 my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
346 next if !$call || length $call < 3 || length $call > 8;
349 next if DXCluster->get_exact($call); # we already have this (loop?)
351 $confmode = $confmode eq '*';
352 DXNodeuser->new($self, $node, $call, $confmode, $here);
354 # add this station to the user database, if required
355 $call =~ s/-\d+$//o; # remove ssid for users
356 my $user = DXUser->get_current($call);
357 $user = DXUser->new($call) if !$user;
358 $user->homenode($node->call) if !$user->homenode;
359 $user->node($node->call);
360 $user->lastin($main::systime) unless DXChannel->get($call);
364 # queue up any messages (look for privates only)
365 DXMsg::queue_msg(1) if $self->state eq 'normal';
369 if ($pcno == 17) { # remove a user
370 my $node = DXCluster->get_exact($field[2]);
372 if (!$node && ($dxchan = DXChannel->get($field[2]))) {
373 # add it to the node table if it isn't present and it's
375 $node = DXNode->new($dxchan, $field[2], 0, 1, 5400);
376 broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
380 return unless $node->isa('DXNode');
381 if ($node->dxchan != $self) {
382 dbg('chan', "LOOP: $field[2] came in on wrong channel");
385 if (($dxchan = DXChannel->get($field[2])) && $dxchan != $self) {
386 dbg('chan', "LOOP: $field[2] connected locally");
389 my $ref = DXCluster->get_exact($field[1]);
394 if ($pcno == 18) { # link request
395 $self->state('init');
397 # first clear out any nodes on this dxchannel
398 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
399 foreach my $node (@gonenodes) {
400 next if $node->dxchan == $DXProt::me;
401 broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate};
404 $self->send_local_config();
406 return; # we don't pass these on
409 if ($pcno == 19) { # incoming cluster list
411 my $newline = "PC19^";
412 for ($i = 1; $i < $#field-1; $i += 4) {
413 my $here = $field[$i];
414 my $call = uc $field[$i+1];
415 my $confmode = $field[$i+2];
416 my $ver = $field[$i+3];
418 $ver = 5400 if !$ver && $allowzero;
420 # now check the call over
421 my $node = DXCluster->get_exact($call);
424 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
425 dbg('chan', "LOOP: $call connected locally");
427 if ($node->dxchan != $self) {
428 dbg('chan', "LOOP: $call come in on wrong channel");
431 dbg('chan', "already have $call");
435 # check for sane parameters
436 next if $ver < 5000; # only works with version 5 software
437 next if length $call < 3; # min 3 letter callsigns
439 # add it to the nodes table and outgoing line
440 $newline .= "$here^$call^$confmode^$ver^";
441 DXNode->new($self, $call, $confmode, $here, $ver);
443 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
444 my $mref = DXMsg::get_busy($call);
445 $mref->stop_msg($call) if $mref;
447 # add this station to the user database, if required (don't remove SSID from nodes)
448 my $user = DXUser->get_current($call);
450 $user = DXUser->new($call);
452 $user->priv(1); # I have relented and defaulted nodes
453 $self->{priv} = 1; # to user RCMDs allowed
454 $user->homenode($call);
457 $user->lastin($main::systime) unless DXChannel->get($call);
461 return if $newline eq "PC19^";
464 $newline .= get_hops(19) . "^";
469 if ($pcno == 20) { # send local configuration
470 $self->send_local_config();
472 $self->state('normal');
476 if ($pcno == 21) { # delete a cluster from the list
477 my $call = uc $field[1];
478 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
479 my $node = DXCluster->get_exact($call);
481 if ($node->dxchan != $self) {
482 dbg('chan', "LOOP: $call come in on wrong channel");
486 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
487 dbg('chan', "LOOP: $call connected locally");
492 dbg('chan', "$call not in table, dropped");
500 $self->state('normal');
504 if ($pcno == 23 || $pcno == 27) { # WWV info
506 # route 'foreign' pc27s
508 if ($field[8] ne $main::mycall) {
509 $self->route($field[8], $line);
515 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
516 my $sfi = unpad($field[3]);
517 my $k = unpad($field[4]);
518 my $i = unpad($field[5]);
519 my ($r) = $field[6] =~ /R=(\d+)/;
521 my $dupkey = "$d.$sfi$k$i";
522 if ($wwvdup{$dupkey}) {
523 dbg('chan', "Dup WWV Spot ignored\n");
526 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
527 dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
530 $wwvdup{$dupkey} = $d;
531 $field[6] =~ s/-\d+$//o; # remove spotter's ssid
533 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
537 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
539 # dbg('local', "Local::wwv2 error $@") if $@;
542 # DON'T be silly and send on PC27s!
543 return if $pcno == 27;
545 # broadcast to the eager world
546 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
550 if ($pcno == 24) { # set here status
551 my $call = uc $field[1];
552 my $ref = DXCluster->get_exact($call);
553 $ref->here($field[2]) if $ref;
557 if ($pcno == 25) { # merge request
558 if ($field[1] ne $main::mycall) {
559 $self->route($field[1], $line);
562 if ($field[2] eq $main::mycall) {
563 dbg('chan', "Trying to merge to myself, ignored");
567 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
571 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
574 $self->send(pc26(@{$in}[0..4], $field[2]));
580 my @in = reverse Geomag::search(0, $field[4], time, 1);
583 $self->send(pc27(@{$in}[0..5], $field[2]));
589 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
590 if ($pcno == 49 || $field[1] eq $main::mycall) {
591 DXMsg::process($self, $line);
593 $self->route($field[1], $line);
598 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
599 if ($field[1] eq $main::mycall) {
600 my $ref = DXUser->get_current($field[2]);
601 my $cref = DXCluster->get($field[2]);
602 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
603 unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
604 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
605 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
606 my $oldpriv = $self->{priv};
607 $self->{priv} = $ref->{priv}; # assume the user's privilege level
608 my @in = (DXCommandmode::run_cmd($self, $field[3]));
609 $self->{priv} = $oldpriv;
612 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
613 Log('rcmd', 'out', $field[2], $_);
615 delete $self->{remotecmd};
617 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
620 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
623 $self->route($field[1], $line);
628 if ($pcno == 35) { # remote command replies
629 if ($field[1] eq $main::mycall) {
630 my $s = $rcmds{$field[2]};
632 my $dxchan = DXChannel->get($s->{call});
633 $dxchan->send($field[3]) if $dxchan;
634 delete $rcmds{$field[2]} if !$dxchan;
637 $self->route($field[1], $line);
642 # for pc 37 see 44 onwards
644 if ($pcno == 38) { # node connected list from neighbour
648 if ($pcno == 39) { # incoming disconnect
653 if ($pcno == 41) { # user info
654 # add this station to the user database, if required
655 my $user = DXUser->get_current($field[1]);
657 # then try without an SSID
658 $field[1] =~ s/-\d+$//o;
659 $user = DXUser->get_current($field[1]);
661 $user = DXUser->new($field[1]) if !$user;
663 if ($field[2] == 1) {
664 $user->name($field[3]);
665 } elsif ($field[2] == 2) {
666 $user->qth($field[3]);
667 } elsif ($field[2] == 3) {
668 my ($lat, $long) = DXBearing::stoll($field[3]);
671 } elsif ($field[2] == 4) {
672 $user->homenode($field[3]);
680 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47) {
681 DXDb::process($self, $line);
685 if ($pcno == 50) { # keep alive/user list
686 my $node = DXCluster->get_exact($field[1]);
688 return unless $node->isa('DXNode');
689 return unless $node->dxchan == $self;
690 $node->update_users($field[2]);
695 if ($pcno == 51) { # incoming ping requests/answers
698 if ($field[1] eq $main::mycall) {
699 my $flag = $field[3];
701 $self->send(pc51($field[2], $field[1], '0'));
703 # it's a reply, look in the ping list for this one
704 my $ref = $pings{$field[2]};
706 my $tochan = DXChannel->get($field[2]);
709 my $dxchan = DXChannel->get($r->{call});
711 my $t = tv_interval($r->{t}, [ gettimeofday ]);
712 if ($dxchan->is_user) {
713 my $s = sprintf "%.2f", $t;
714 my $ave = $tochan->pingave if $tochan;
715 $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
716 } elsif ($dxchan->is_ak1a) {
718 $tochan->nopings(3); # pump up the timer
719 $tochan->{pingtime} += $t;
720 $tochan->{pingrec} += 1;
721 $tochan->{pingave} = $tochan->{pingtime} / $tochan->{pingrec};
728 # route down an appropriate thingy
729 $self->route($field[1], $line);
735 # if get here then rebroadcast the thing with its Hop count decremented (if
736 # there is one). If it has a hop count and it decrements to zero then don't
739 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
743 unless ($self->{isolate}) {
744 broadcast_ak1a($line, $self); # send it to everyone but me
749 # This is called from inside the main cluster processing loop and is used
750 # for despatching commands that are doing some long processing job
755 my @dxchan = DXChannel->get_all();
758 foreach $dxchan (@dxchan) {
759 next unless $dxchan->is_ak1a();
760 next if $dxchan == $me;
762 # send a pc50 out on this channel
763 if ($t >= $dxchan->pc50_t + $DXProt::pc50_interval) {
764 $dxchan->send(pc50());
768 # send a ping out on this channel
769 if ($t >= $dxchan->pingint + $dxchan->lastping) {
770 if ($dxchan->nopings <= 0) {
773 addping($main::mycall, $dxchan->call);
774 $dxchan->nopings($dxchan->nopings - 1);
775 $dxchan->lastping($t);
783 if ($main::systime - 3600 > $last_hour) {
784 $cutoff = $main::systime - $pc11_dup_age;
785 while (($key, $val) = each %spotdup) {
786 delete $spotdup{$key} if $val < $cutoff;
788 $cutoff = $main::systime - $pc23_dup_age;
789 while (($key, $val) = each %wwvdup) {
790 delete $wwvdup{$key} if $val < $cutoff;
792 $cutoff = $main::systime - $pc12_dup_age;
793 while (($key, $val) = each %anndup) {
794 delete $anndup{$key} if $val < $cutoff;
796 $last_hour = $main::systime;
801 # finish up a pc context
806 my $call = $self->call;
807 my $ref = DXCluster->get_exact($call);
809 # unbusy and stop and outgoing mail
810 my $mref = DXMsg::get_busy($call);
811 $mref->stop_msg($call) if $mref;
813 # broadcast to all other nodes that all the nodes connected to via me are gone
814 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
817 foreach $node (@gonenodes) {
818 next if $node->call eq $call;
819 broadcast_ak1a(pc21($node->call, 'Gone') , $self) unless $self->{isolate};
823 # remove outstanding pings
824 delete $pings{$call};
826 # now broadcast to all other ak1a nodes that I have gone
827 broadcast_ak1a(pc21($call, 'Gone.'), $self) unless $self->{isolate};
829 Log('DXProt', $call . " Disconnected");
834 # some active measures
840 my @dxchan = DXChannel->get_all();
843 # send it if it isn't the except list and isn't isolated and still has a hop count
844 # taking into account filtering and so on
845 foreach $dxchan (@dxchan) {
849 if ($dxchan->{spotfilter}) {
850 ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} );
854 if ($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} || $self->{isolate};
868 } elsif ($dxchan->is_user && $dxchan->{dx}) {
869 my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
870 $buf .= "\a\a" if $dxchan->{beep};
871 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
874 $dxchan->delay($buf);
884 my @dxchan = DXChannel->get_all();
887 # send it if it isn't the except list and isn't isolated and still has a hop count
888 # taking into account filtering and so on
889 foreach $dxchan (@dxchan) {
893 if ($dxchan->{spotfilter}) {
894 ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} );
897 if ($dxchan->is_ak1a) {
898 next if $dxchan == $self;
901 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
903 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
904 next unless $routeit;
907 $dxchan->send($routeit) if $routeit;
909 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
912 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
913 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
914 $buf .= "\a\a" if $dxchan->{beep};
915 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
918 $dxchan->delay($buf);
929 my @dxchan = DXChannel->get_all();
931 my $text = unpad($_[2]);
935 if ($_[3] eq '*') { # sysops
937 } elsif ($_[3] gt ' ') { # speciality list handling
938 my ($name) = split /\./, $_[3];
939 $target = "$name"; # put the rest in later (if bothered)
946 $target = "All" if !$target;
948 Log('ann', $target, $_[0], $text);
950 # send it if it isn't the except list and isn't isolated and still has a hop count
951 # taking into account filtering and so on
952 foreach $dxchan (@dxchan) {
956 if ($dxchan->{annfilter}) {
957 ($filter, $hops) = Filter::it($dxchan->{annfilter}, @_, $self->{call} );
960 if ($dxchan->is_ak1a && $_[1] ne $main::mycall) { # i.e not specifically routed to me
961 next if $dxchan == $self;
964 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
966 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
967 next unless $routeit;
970 $dxchan->send($routeit) if $routeit;
972 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
975 } elsif ($dxchan->is_user && $dxchan->{ann}) {
976 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
977 my $buf = "$to$target de $_[0]: $text";
978 $buf .= "\a\a" if $dxchan->{beep};
979 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
982 $dxchan->delay($buf);
988 sub send_local_config
997 if ($self->{isolate}) {
998 @localnodes = (DXCluster->get_exact($main::mycall));
1000 # create a list of all the nodes that are not connected to this connection
1001 # and are not themselves isolated, this to make sure that isolated nodes
1002 # don't appear outside of this node
1003 @nodes = DXNode::get_all();
1004 @nodes = grep { $_->{call} ne $main::mycall } @nodes;
1005 @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
1006 @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
1007 @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
1008 unshift @localnodes, DXCluster->get_exact($main::mycall);
1009 @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
1012 my @s = $me->pc19(@localnodes, @remotenodes);
1014 my $routeit = adjust_hops($self, $_);
1015 $self->send($routeit) if $routeit;
1018 # get all the users connected on the above nodes and send them out
1019 foreach $n (@localnodes, @remotenodes) {
1020 my @users = values %{$n->list};
1021 my @s = pc16($n, @users);
1023 my $routeit = adjust_hops($self, $_);
1024 $self->send($routeit) if $routeit;
1030 # route a message down an appropriate interface for a callsign
1032 # is called route(to, pcline);
1036 my ($self, $call, $line) = @_;
1037 my $cl = DXCluster->get_exact($call);
1038 if ($cl) { # don't route it back down itself
1039 if (ref $self && $call eq $self->{call}) {
1040 dbg('chan', "Trying to route back to source, dropped");
1044 my $dxchan = $cl->{dxchan};
1046 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1048 $dxchan->send($routeit) if $dxchan;
1054 # broadcast a message to all clusters taking into account isolation
1055 # [except those mentioned after buffer]
1058 my $s = shift; # the line to be rebroadcast
1059 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1060 my @dxchan = get_all_ak1a();
1063 # send it if it isn't the except list and isn't isolated and still has a hop count
1064 foreach $dxchan (@dxchan) {
1065 next if grep $dxchan == $_, @except;
1066 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1067 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1071 # broadcast a message to all clusters ignoring isolation
1072 # [except those mentioned after buffer]
1073 sub broadcast_all_ak1a
1075 my $s = shift; # the line to be rebroadcast
1076 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1077 my @dxchan = get_all_ak1a();
1080 # send it if it isn't the except list and isn't isolated and still has a hop count
1081 foreach $dxchan (@dxchan) {
1082 next if grep $dxchan == $_, @except;
1083 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1084 $dxchan->send($routeit);
1088 # broadcast to all users
1089 # storing the spot or whatever until it is in a state to receive it
1092 my $s = shift; # the line to be rebroadcast
1093 my $sort = shift; # the type of transmission
1094 my $fref = shift; # a reference to an object to filter on
1095 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1096 my @dxchan = get_all_users();
1100 foreach $dxchan (@dxchan) {
1101 next if grep $dxchan == $_, @except;
1104 broadcast_list($s, $sort, $fref, @out);
1107 # broadcast to a list of users
1115 foreach $dxchan (@_) {
1118 if ($sort eq 'dx') {
1119 next unless $dxchan->{dx};
1120 ($filter) = Filter::it($dxchan->{spotfilter}, @{$fref}) if ref $fref;
1121 next unless $filter;
1123 next if $sort eq 'ann' && !$dxchan->{ann};
1124 next if $sort eq 'wwv' && !$dxchan->{wwv};
1125 next if $sort eq 'wx' && !$dxchan->{wx};
1127 $s =~ s/\a//og unless $dxchan->{beep};
1129 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
1138 # gimme all the ak1a nodes
1142 my @list = DXChannel->get_all();
1145 foreach $ref (@list) {
1146 push @out, $ref if $ref->is_ak1a;
1151 # return a list of all users
1154 my @list = DXChannel->get_all();
1157 foreach $ref (@list) {
1158 push @out, $ref if $ref->is_user;
1163 # return a list of all user callsigns
1164 sub get_all_user_calls
1166 my @list = DXChannel->get_all();
1169 foreach $ref (@list) {
1170 push @out, $ref->call if $ref->is_user;
1176 # obtain the hops from the list for this callsign and pc no
1182 my $hops = $DXProt::hopcount{$pcno};
1183 $hops = $DXProt::def_hopcount if !$hops;
1188 # adjust the hop count on a per node basis using the user loadable
1189 # hop table if available or else decrement an existing one
1196 my $call = $self->{call};
1199 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1200 my ($pcno) = $s =~ /^PC(\d\d)/o;
1201 confess "$call called adjust_hops with '$s'" unless $pcno;
1202 my $ref = $nodehops{$call} if %nodehops;
1204 my $newhops = $ref->{$pcno};
1205 return "" if defined $newhops && $newhops == 0;
1206 $newhops = $ref->{default} unless $newhops;
1207 return "" if defined $newhops && $newhops == 0;
1208 $newhops = $hops if !$newhops;
1209 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1211 # simply decrement it
1213 return "" if !$hops;
1214 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1226 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1227 do "$main::data/hop_table.pl";
1232 # remove leading and trailing spaces from an input string
1236 $s =~ s/^\s+|\s+$//;
1240 # add a ping request to the ping queues
1243 my ($from, $to) = @_;
1244 my $ref = $pings{$to} || [];
1247 $r->{t} = [ gettimeofday ];
1248 route(undef, $to, pc51($to, $main::mycall, 1));
1253 # add a rcmd request to the rcmd queues
1256 my ($from, $to, $cmd) = @_;
1259 $r->{t} = $main::systime;
1261 route(undef, $to, pc34($main::mycall, $to, $cmd));