3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
31 use Time::HiRes qw(gettimeofday tv_interval);
34 use vars qw($me $pc11_max_age $pc23_max_age
35 $last_hour %pings %rcmds
36 %nodehops @baddx $baddxfn
37 $allowzero $decode_dk0wcy);
39 $me = undef; # the channel id for this cluster
40 $decode_dk0wcy = undef; # if set use this callsign to decode announces from the EU WWV data beacon
41 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
42 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
44 $last_hour = time; # last time I did an hourly periodic update
45 %pings = (); # outstanding ping requests outbound
46 %rcmds = (); # outstanding rcmd requests outbound
47 %nodehops = (); # node specific hop control
48 @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 # $me->{sort} = 'M'; # M for me
64 # now prime the spot and wwv duplicates file with data
65 my @today = Julian::unixtoj(time);
66 for (Spot::readfile(@today), Spot::readfile(Julian::sub(@today, 1))) {
67 Spot::dup(@{$_}[0..3]);
69 for (Geomag::readfile(time)) {
70 Geomag::dup(@{$_}[1..5]);
74 do "$baddxfn" if -e "$baddxfn";
79 # obtain a new connection this is derived from dxchannel
84 my $self = DXChannel::alloc(@_);
88 # this is how a pc connection starts (for an incoming connection)
89 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
90 # all the crap that comes between).
93 my ($self, $line, $sort) = @_;
94 my $call = $self->{call};
95 my $user = $self->{user};
97 # remember type of connection
98 $self->{consort} = $line;
99 $self->{outbound} = $sort eq 'O';
100 $self->{priv} = $user->priv;
101 $self->{lang} = $user->lang;
102 $self->{isolate} = $user->{isolate};
103 $self->{consort} = $line; # save the connection type
106 # get the INPUT filters (these only pertain to Clusters)
107 $self->{inspotfilter} = Filter::read_in('spots', $call, 1);
108 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1);
109 $self->{inannfilter} = Filter::read_in('ann', $call, 1);
111 # set unbuffered and no echo
112 $self->send_now('B',"0");
113 $self->send_now('E',"0");
115 # ping neighbour node stuff
116 my $ping = $user->pingint;
117 $ping = 5*60 unless defined $ping;
118 $self->{pingint} = $ping;
119 $self->{nopings} = $user->nopings || 2;
120 $self->{pingtime} = [ ];
121 $self->{pingave} = 0;
123 # send initialisation string
124 unless ($self->{outbound}) {
125 $self->send(pc38()) if DXNode->get_all();
127 $self->{lastping} = $main::systime;
129 # remove from outstanding connects queue
130 @main::outstanding_connects = grep {$_->{call} ne $call} @main::outstanding_connects;
131 $self->{lastping} = $main::systime + $self->pingint / 2;
133 $self->state('init');
136 # send info to all logged in thingies
137 $self->tell_login('loginn');
139 Log('DXProt', "$call connected");
143 # This is the normal pcxx despatcher
147 my ($self, $line) = @_;
148 my @field = split /\^/, $line;
149 pop @field if $field[-1] eq '~';
151 # print join(',', @field), "\n";
153 # ignore any lines that don't start with PC
154 return if !$field[0] =~ /^PC/;
157 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
159 return if $pcno < 10 || $pcno > 99;
161 # dump bad protocol messages unless it is a PC29
162 if ($line =~ /\%[0-9A-F][0-9A-F]/o && $pcno != 29) {
163 dbg('chan', "CORRUPT protocol message - dumped");
170 $pcr = Local::pcprot($self, $pcno, @field);
172 # dbg('local', "Local::pcprot error $@") if $@;
176 if ($pcno == 10) { # incoming talk
178 # is it for me or one of mine?
179 my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
180 if ($call eq $main::mycall || grep $_ eq $call, DXChannel::get_all_user_calls()) {
183 my $text = unpad($field[3]);
184 Log('talk', $call, $field[1], $field[6], $text);
185 $call = $main::myalias if $call eq $main::mycall;
186 my $ref = DXChannel->get($call);
187 $ref->send("$call de $field[1]: $text") if $ref && $ref->{talk};
189 $self->route($field[2], $line); # relay it on its way
194 if ($pcno == 11 || $pcno == 26) { # dx spot
196 # route 'foreign' pc26s
198 if ($field[7] ne $main::mycall) {
199 $self->route($field[7], $line);
204 # if this is a 'nodx' node then ignore it
205 if (grep $field[7] =~ /^$_/, @DXProt::nodx_node) {
206 dbg('chan', "Bad DXNode, dropped");
210 # convert the date to a unix date
211 my $d = cltounix($field[3], $field[4]);
212 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
213 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
214 dbg('chan', "Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
219 if (grep $field[2] eq $_, @baddx) {
220 dbg('chan', "Bad DX spot, ignored");
224 # are any of the crucial fields invalid?
225 if ($field[2] =~ /[a-z]/ || $field[6] =~ /[a-z]/ || $field[7] =~ /[a-z]/) {
226 dbg('chan', "Spot contains lower case callsigns, rejected");
231 if (Spot::dup($field[1], $field[2], $d, $field[5])) {
232 dbg('chan', "Duplicate Spot ignored\n");
236 my @spot = Spot::add($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
239 # @spot at this point contains:-
240 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
241 # then spotted itu, spotted cq, spotters itu, spotters cq
242 # you should be able to route on any of these
248 $r = Local::spot($self, @spot);
250 # dbg('local', "Local::spot1 error $@") if $@;
253 # DON'T be silly and send on PC26s!
254 return if $pcno == 26;
256 # send out the filtered spots
257 send_dx_spot($self, $line, @spot) if @spot;
261 if ($pcno == 12) { # announces
262 # announce duplicate checking
263 if (AnnTalk::dup($field[1], $field[2], $field[3])) {
264 dbg('chan', "Duplicate Announce ignored\n");
268 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
270 # global ann filtering on INPUT
271 if ($self->{inannfilter}) {
272 my ($filter, $hops) = Filter::it($self->{inannfilter}, @field[1..6], $self->{call} );
274 dbg('chan', "Rejected by filter");
280 $self->send_announce($line, @field[1..6]);
282 if ($decode_dk0wcy && $field[1] eq $decode_dk0wcy) {
283 my ($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+)/;
284 $alarm = ($alarm =~ /^Y/i) ? ', Aurora in DE' : '';
285 my $wwv = Geomag::update($main::systime, $hour, $sfi, $a, $k, "R=$r, Next K=$next$alarm", $decode_dk0wcy, $field[5], $r) if $sfi && $r;
289 $self->route($field[2], $line);
305 if ($pcno == 16) { # add a user
306 my $node = DXCluster->get_exact($field[1]);
308 if (!$node && ($dxchan = DXChannel->get($field[1]))) {
309 # add it to the node table if it isn't present and it's
311 $node = DXNode->new($dxchan, $field[1], 0, 1, 5400);
312 broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
315 return unless $node; # ignore if havn't seen a PC19 for this one yet
316 return unless $node->isa('DXNode');
317 if ($node->dxchan != $self) {
318 dbg('chan', "LOOP: $field[1] came in on wrong channel");
321 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
322 dbg('chan', "LOOP: $field[1] connected locally");
327 for ($i = 2; $i < $#field; $i++) {
328 my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
329 next if !$call || length $call < 3 || length $call > 8;
332 next if DXCluster->get_exact($call); # we already have this (loop?)
334 $confmode = $confmode eq '*';
335 DXNodeuser->new($self, $node, $call, $confmode, $here);
337 # add this station to the user database, if required
338 $call =~ s/-\d+$//o; # remove ssid for users
339 my $user = DXUser->get_current($call);
340 $user = DXUser->new($call) if !$user;
341 $user->homenode($node->call) if !$user->homenode;
342 $user->node($node->call);
343 $user->lastin($main::systime) unless DXChannel->get($call);
347 # queue up any messages (look for privates only)
348 DXMsg::queue_msg(1) if $self->state eq 'normal';
352 if ($pcno == 17) { # remove a user
353 my $node = DXCluster->get_exact($field[2]);
355 if (!$node && ($dxchan = DXChannel->get($field[2]))) {
356 # add it to the node table if it isn't present and it's
358 $node = DXNode->new($dxchan, $field[2], 0, 1, 5400);
359 broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
363 return unless $node->isa('DXNode');
364 if ($node->dxchan != $self) {
365 dbg('chan', "LOOP: $field[2] came in on wrong channel");
368 if (($dxchan = DXChannel->get($field[2])) && $dxchan != $self) {
369 dbg('chan', "LOOP: $field[2] connected locally");
372 my $ref = DXCluster->get_exact($field[1]);
377 if ($pcno == 18) { # link request
378 $self->state('init');
380 # first clear out any nodes on this dxchannel
381 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
382 foreach my $node (@gonenodes) {
383 next if $node->dxchan == $DXProt::me;
384 broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate};
387 $self->send_local_config();
389 return; # we don't pass these on
392 if ($pcno == 19) { # incoming cluster list
394 my $newline = "PC19^";
395 for ($i = 1; $i < $#field-1; $i += 4) {
396 my $here = $field[$i];
397 my $call = uc $field[$i+1];
398 my $confmode = $field[$i+2];
399 my $ver = $field[$i+3];
401 $ver = 5400 if !$ver && $allowzero;
403 # now check the call over
404 my $node = DXCluster->get_exact($call);
407 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
408 dbg('chan', "LOOP: $call connected locally");
410 if ($node->dxchan != $self) {
411 dbg('chan', "LOOP: $call come in on wrong channel");
414 dbg('chan', "already have $call");
418 # check for sane parameters
419 next if $ver < 5000; # only works with version 5 software
420 next if length $call < 3; # min 3 letter callsigns
422 # add it to the nodes table and outgoing line
423 $newline .= "$here^$call^$confmode^$ver^";
424 DXNode->new($self, $call, $confmode, $here, $ver);
426 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
427 my $mref = DXMsg::get_busy($call);
428 $mref->stop_msg($call) if $mref;
430 # add this station to the user database, if required (don't remove SSID from nodes)
431 my $user = DXUser->get_current($call);
433 $user = DXUser->new($call);
435 $user->priv(1); # I have relented and defaulted nodes
436 $self->{priv} = 1; # to user RCMDs allowed
437 $user->homenode($call);
440 $user->lastin($main::systime) unless DXChannel->get($call);
444 return if $newline eq "PC19^";
447 $newline .= get_hops(19) . "^";
452 if ($pcno == 20) { # send local configuration
453 $self->send_local_config();
455 $self->state('normal');
459 if ($pcno == 21) { # delete a cluster from the list
460 my $call = uc $field[1];
461 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
462 my $node = DXCluster->get_exact($call);
464 if ($node->dxchan != $self) {
465 dbg('chan', "LOOP: $call come in on wrong channel");
469 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
470 dbg('chan', "LOOP: $call connected locally");
475 dbg('chan', "$call not in table, dropped");
483 $self->state('normal');
487 if ($pcno == 23 || $pcno == 27) { # WWV info
489 # route 'foreign' pc27s
491 if ($field[8] ne $main::mycall) {
492 $self->route($field[8], $line);
498 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
499 my $sfi = unpad($field[3]);
500 my $k = unpad($field[4]);
501 my $i = unpad($field[5]);
502 my ($r) = $field[6] =~ /R=(\d+)/;
504 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
505 dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
508 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
509 dbg('chan', "Dup WWV Spot ignored\n");
512 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
514 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
518 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
520 # dbg('local', "Local::wwv2 error $@") if $@;
523 # DON'T be silly and send on PC27s!
524 return if $pcno == 27;
526 # broadcast to the eager world
527 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
531 if ($pcno == 24) { # set here status
532 my $call = uc $field[1];
533 my $ref = DXCluster->get_exact($call);
534 $ref->here($field[2]) if $ref;
538 if ($pcno == 25) { # merge request
539 if ($field[1] ne $main::mycall) {
540 $self->route($field[1], $line);
543 if ($field[2] eq $main::mycall) {
544 dbg('chan', "Trying to merge to myself, ignored");
548 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
552 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
555 $self->send(pc26(@{$in}[0..4], $field[2]));
561 my @in = reverse Geomag::search(0, $field[4], time, 1);
564 $self->send(pc27(@{$in}[0..5], $field[2]));
570 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
571 if ($pcno == 49 || $field[1] eq $main::mycall) {
572 DXMsg::process($self, $line);
574 $self->route($field[1], $line);
579 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
580 if ($field[1] eq $main::mycall) {
581 my $ref = DXUser->get_current($field[2]);
582 my $cref = DXCluster->get($field[2]);
583 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
584 unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
585 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
586 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
587 my $oldpriv = $self->{priv};
588 $self->{priv} = $ref->{priv}; # assume the user's privilege level
589 my @in = (DXCommandmode::run_cmd($self, $field[3]));
590 $self->{priv} = $oldpriv;
593 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
594 Log('rcmd', 'out', $field[2], $_);
596 delete $self->{remotecmd};
598 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
601 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
604 my $ref = DXUser->get_current($field[1]);
605 if ($ref && $ref->is_clx) {
606 route($field[1], pc84($field[2], $field[1], $field[2], $field[3]));
608 $self->route($field[1], $line);
614 if ($pcno == 35) { # remote command replies
615 if ($field[1] eq $main::mycall) {
616 my $s = $rcmds{$field[2]};
618 my $dxchan = DXChannel->get($s->{call});
619 $dxchan->send($field[3]) if $dxchan;
620 delete $rcmds{$field[2]} if !$dxchan;
623 my $ref = DXUser->get_current($field[1]);
624 if ($ref && $ref->is_clx) {
625 route($field[1], pc85($field[2], $field[1], $field[2], $field[3]));
627 $self->route($field[1], $line);
633 # for pc 37 see 44 onwards
635 if ($pcno == 38) { # node connected list from neighbour
639 if ($pcno == 39) { # incoming disconnect
640 $self->disconnect(1);
644 if ($pcno == 41) { # user info
645 # add this station to the user database, if required
646 my $user = DXUser->get_current($field[1]);
648 # then try without an SSID
649 $field[1] =~ s/-\d+$//o;
650 $user = DXUser->get_current($field[1]);
652 $user = DXUser->new($field[1]) if !$user;
654 if ($field[2] == 1) {
655 $user->name($field[3]);
656 } elsif ($field[2] == 2) {
657 $user->qth($field[3]);
658 } elsif ($field[2] == 3) {
659 my ($lat, $long) = DXBearing::stoll($field[3]);
662 } elsif ($field[2] == 4) {
663 $user->homenode($field[3]);
671 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
672 DXDb::process($self, $line);
676 if ($pcno == 50) { # keep alive/user list
677 my $node = DXCluster->get_exact($field[1]);
679 return unless $node->isa('DXNode');
680 return unless $node->dxchan == $self;
681 $node->update_users($field[2]);
686 if ($pcno == 51) { # incoming ping requests/answers
689 if ($field[1] eq $main::mycall) {
690 my $flag = $field[3];
692 $self->send(pc51($field[2], $field[1], '0'));
694 # it's a reply, look in the ping list for this one
695 my $ref = $pings{$field[2]};
697 my $tochan = DXChannel->get($field[2]);
700 my $dxchan = DXChannel->get($r->{call});
702 my $t = tv_interval($r->{t}, [ gettimeofday ]);
703 if ($dxchan->is_user) {
704 my $s = sprintf "%.2f", $t;
705 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
706 $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
707 } elsif ($dxchan->is_node) {
709 $tochan->{nopings} = 2; # pump up the timer
710 push @{$tochan->{pingtime}}, $t;
711 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
713 for (@{$tochan->{pingtime}}) {
716 $tochan->{pingave} = $st / @{$tochan->{pingtime}};
723 # route down an appropriate thingy
724 $self->route($field[1], $line);
729 if ($pcno == 73) { # WCY broadcasts
732 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
733 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
734 dbg('chan', "WCY Date ($field[1] $field[2]) out of range");
737 @field = map { unpad($_) } @field;
738 if (WCY::dup($d,@field[3..7])) {
739 dbg('chan', "Dup WCY Spot ignored\n");
743 my $wcy = WCY::update($d, @field[2..12]);
747 $rep = Local::wwv($self, @field[1..12]);
749 # dbg('local', "Local::wcy error $@") if $@;
752 # broadcast to the eager world
753 send_wcy_spot($self, $line, $d, @field[2..12]);
757 if ($pcno == 84) { # remote commands (incoming)
758 if ($field[1] eq $main::mycall) {
759 my $ref = DXUser->get_current($field[2]);
760 my $cref = DXCluster->get($field[2]);
761 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
762 unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
763 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
764 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
765 my $oldpriv = $self->{priv};
766 $self->{priv} = $ref->{priv}; # assume the user's privilege level
767 my @in = (DXCommandmode::run_cmd($self, $field[4]));
768 $self->{priv} = $oldpriv;
771 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:$_"));
772 Log('rcmd', 'out', $field[2], $_);
774 delete $self->{remotecmd};
776 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:sorry...!"));
779 $self->send(pc85($main::mycall, $field[2], $field[3],"$main::mycall:your attempt is logged, Tut tut tut...!"));
782 my $ref = DXUser->get_current($field[1]);
783 if ($ref && $ref->is_clx) {
784 $self->route($field[1], $line);
786 route($field[1], pc34($field[2], $field[1], $field[3]));
792 if ($pcno == 85) { # remote command replies
793 if ($field[1] eq $main::mycall) {
794 my $dxchan = DXChannel->get($field[3]);
796 $dxchan->send($field[4]);
798 my $s = $rcmds{$field[2]};
800 $dxchan = DXChannel->get($s->{call});
801 $dxchan->send($field[4]) if $dxchan;
802 delete $rcmds{$field[2]} if !$dxchan;
806 my $ref = DXUser->get_current($field[1]);
807 if ($ref && $ref->is_clx) {
808 $self->route($field[1], $line);
810 route($field[1], pc35($field[2], $field[1], $field[3]));
817 # if get here then rebroadcast the thing with its Hop count decremented (if
818 # there is one). If it has a hop count and it decrements to zero then don't
821 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
825 unless ($self->{isolate}) {
826 broadcast_ak1a($line, $self); # send it to everyone but me
831 # This is called from inside the main cluster processing loop and is used
832 # for despatching commands that are doing some long processing job
837 my @dxchan = DXChannel->get_all();
840 foreach $dxchan (@dxchan) {
841 next unless $dxchan->is_node();
842 next if $dxchan == $me;
844 # send a pc50 out on this channel
845 if ($t >= $dxchan->pc50_t + $DXProt::pc50_interval) {
846 $dxchan->send(pc50(scalar DXChannel::get_all_users));
850 # send a ping out on this channel
851 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
852 if ($dxchan->{nopings} <= 0) {
855 addping($main::mycall, $dxchan->call);
856 $dxchan->{nopings} -= 1;
857 $dxchan->{lastping} = $t;
865 if ($main::systime - 3600 > $last_hour) {
869 $last_hour = $main::systime;
874 # finish up a pc context
879 my $call = $self->call;
881 my $ref = DXCluster->get_exact($call);
883 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op"))) unless $nopc39;
885 # unbusy and stop and outgoing mail
886 my $mref = DXMsg::get_busy($call);
887 $mref->stop_msg($call) if $mref;
889 # broadcast to all other nodes that all the nodes connected to via me are gone
890 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
893 foreach $node (@gonenodes) {
894 next if $node->call eq $call;
895 broadcast_ak1a(pc21($node->call, 'Gone') , $self) unless $self->{isolate};
899 # remove outstanding pings
900 delete $pings{$call};
902 # now broadcast to all other ak1a nodes that I have gone
903 broadcast_ak1a(pc21($call, 'Gone.'), $self) unless $self->{isolate};
905 # I was the last node visited
906 $self->user->node($main::mycall);
908 # send info to all logged in thingies
909 $self->tell_login('logoutn');
911 Log('DXProt', $call . " Disconnected");
916 # some active measures
922 my @dxchan = DXChannel->get_all();
925 # send it if it isn't the except list and isn't isolated and still has a hop count
926 # taking into account filtering and so on
927 foreach $dxchan (@dxchan) {
931 if ($dxchan->{spotfilter}) {
932 ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} );
936 if ($dxchan->is_node) {
937 next if $dxchan == $self;
940 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
942 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
943 next unless $routeit;
946 $dxchan->send($routeit) if $routeit;
948 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
950 } elsif ($dxchan->is_user && $dxchan->{dx}) {
951 my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
952 $buf .= "\a\a" if $dxchan->{beep};
953 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
956 $dxchan->delay($buf);
966 my @dxchan = DXChannel->get_all();
969 # send it if it isn't the except list and isn't isolated and still has a hop count
970 # taking into account filtering and so on
971 foreach $dxchan (@dxchan) {
975 if ($dxchan->{wwvfilter}) {
976 ($filter, $hops) = Filter::it($dxchan->{wwvfilter}, @_, $self->{call} );
979 if ($dxchan->is_node) {
980 next if $dxchan == $self;
983 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
985 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
986 next unless $routeit;
989 $dxchan->send($routeit) if $routeit;
991 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
994 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
995 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
996 $buf .= "\a\a" if $dxchan->{beep};
997 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
1000 $dxchan->delay($buf);
1010 my @dxchan = DXChannel->get_all();
1013 # send it if it isn't the except list and isn't isolated and still has a hop count
1014 # taking into account filtering and so on
1015 foreach $dxchan (@dxchan) {
1017 my ($filter, $hops);
1019 if ($dxchan->{wcyfilter}) {
1020 ($filter, $hops) = Filter::it($dxchan->{wcyfilter}, @_, $self->{call} );
1021 next unless $filter;
1023 if ($dxchan->is_clx || $dxchan->is_spider) {
1024 next if $dxchan == $self;
1027 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1029 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1030 next unless $routeit;
1033 $dxchan->send($routeit) if $routeit;
1035 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1037 } elsif ($dxchan->is_user && $dxchan->{wcy}) {
1038 my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1039 $buf .= "\a\a" if $dxchan->{beep};
1040 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
1041 $dxchan->send($buf);
1043 $dxchan->delay($buf);
1054 my @dxchan = DXChannel->get_all();
1056 my $text = unpad($_[2]);
1060 if ($_[3] eq '*') { # sysops
1062 } elsif ($_[3] gt ' ') { # speciality list handling
1063 my ($name) = split /\./, $_[3];
1064 $target = "$name"; # put the rest in later (if bothered)
1071 $target = "All" if !$target;
1073 Log('ann', $target, $_[0], $text);
1075 # send it if it isn't the except list and isn't isolated and still has a hop count
1076 # taking into account filtering and so on
1077 foreach $dxchan (@dxchan) {
1079 my ($filter, $hops);
1081 if ($dxchan->{annfilter}) {
1082 ($filter, $hops) = Filter::it($dxchan->{annfilter}, @_, $self->{call} );
1083 next unless $filter;
1085 if ($dxchan->is_node && $_[1] ne $main::mycall) { # i.e not specifically routed to me
1086 next if $dxchan == $self;
1089 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1091 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1092 next unless $routeit;
1095 $dxchan->send($routeit) if $routeit;
1097 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1100 } elsif ($dxchan->is_user && $dxchan->{ann}) {
1101 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
1102 my $buf = "$to$target de $_[0]: $text";
1103 $buf .= "\a\a" if $dxchan->{beep};
1104 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
1105 $dxchan->send($buf);
1107 $dxchan->delay($buf);
1113 sub send_local_config
1122 if ($self->{isolate}) {
1123 @localnodes = (DXCluster->get_exact($main::mycall));
1125 # create a list of all the nodes that are not connected to this connection
1126 # and are not themselves isolated, this to make sure that isolated nodes
1127 # don't appear outside of this node
1128 @nodes = DXNode::get_all();
1129 @nodes = grep { $_->{call} ne $main::mycall } @nodes;
1130 @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
1131 @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
1132 @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
1133 unshift @localnodes, DXCluster->get_exact($main::mycall);
1134 @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
1137 my @s = $me->pc19(@localnodes, @remotenodes);
1139 my $routeit = adjust_hops($self, $_);
1140 $self->send($routeit) if $routeit;
1143 # get all the users connected on the above nodes and send them out
1144 foreach $n (@localnodes, @remotenodes) {
1145 my @users = values %{$n->list};
1146 my @s = pc16($n, @users);
1148 my $routeit = adjust_hops($self, $_);
1149 $self->send($routeit) if $routeit;
1155 # route a message down an appropriate interface for a callsign
1157 # is called route(to, pcline);
1161 my ($self, $call, $line) = @_;
1162 my $cl = DXCluster->get_exact($call);
1163 if ($cl) { # don't route it back down itself
1164 if (ref $self && $call eq $self->{call}) {
1165 dbg('chan', "Trying to route back to source, dropped");
1169 my $dxchan = $cl->{dxchan};
1171 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1173 $dxchan->send($routeit) if $dxchan;
1179 # broadcast a message to all clusters taking into account isolation
1180 # [except those mentioned after buffer]
1183 my $s = shift; # the line to be rebroadcast
1184 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1185 my @dxchan = DXChannel::get_all_ak1a();
1188 # send it if it isn't the except list and isn't isolated and still has a hop count
1189 foreach $dxchan (@dxchan) {
1190 next if grep $dxchan == $_, @except;
1191 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1192 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1196 # broadcast a message to all clusters ignoring isolation
1197 # [except those mentioned after buffer]
1198 sub broadcast_all_ak1a
1200 my $s = shift; # the line to be rebroadcast
1201 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1202 my @dxchan = DXChannel::get_all_ak1a();
1205 # send it if it isn't the except list and isn't isolated and still has a hop count
1206 foreach $dxchan (@dxchan) {
1207 next if grep $dxchan == $_, @except;
1208 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1209 $dxchan->send($routeit);
1213 # broadcast to all users
1214 # storing the spot or whatever until it is in a state to receive it
1217 my $s = shift; # the line to be rebroadcast
1218 my $sort = shift; # the type of transmission
1219 my $fref = shift; # a reference to an object to filter on
1220 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1221 my @dxchan = DXChannel::get_all_users();
1225 foreach $dxchan (@dxchan) {
1226 next if grep $dxchan == $_, @except;
1229 broadcast_list($s, $sort, $fref, @out);
1232 # broadcast to a list of users
1240 foreach $dxchan (@_) {
1243 if ($sort eq 'dx') {
1244 next unless $dxchan->{dx};
1245 ($filter) = Filter::it($dxchan->{spotfilter}, @{$fref}) if ref $fref;
1246 next unless $filter;
1248 next if $sort eq 'ann' && !$dxchan->{ann};
1249 next if $sort eq 'wwv' && !$dxchan->{wwv};
1250 next if $sort eq 'wcy' && !$dxchan->{wcy};
1251 next if $sort eq 'wx' && !$dxchan->{wx};
1253 $s =~ s/\a//og unless $dxchan->{beep};
1255 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
1265 # obtain the hops from the list for this callsign and pc no
1271 my $hops = $DXProt::hopcount{$pcno};
1272 $hops = $DXProt::def_hopcount if !$hops;
1277 # adjust the hop count on a per node basis using the user loadable
1278 # hop table if available or else decrement an existing one
1285 my $call = $self->{call};
1288 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1289 my ($pcno) = $s =~ /^PC(\d\d)/o;
1290 confess "$call called adjust_hops with '$s'" unless $pcno;
1291 my $ref = $nodehops{$call} if %nodehops;
1293 my $newhops = $ref->{$pcno};
1294 return "" if defined $newhops && $newhops == 0;
1295 $newhops = $ref->{default} unless $newhops;
1296 return "" if defined $newhops && $newhops == 0;
1297 $newhops = $hops if !$newhops;
1298 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1300 # simply decrement it
1302 return "" if !$hops;
1303 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1315 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1316 do "$main::data/hop_table.pl";
1322 # add a ping request to the ping queues
1325 my ($from, $to) = @_;
1326 my $ref = $pings{$to} || [];
1329 $r->{t} = [ gettimeofday ];
1330 route(undef, $to, pc51($to, $main::mycall, 1));
1335 # add a rcmd request to the rcmd queues
1338 my ($self, $to, $cmd) = @_;
1341 $r->{call} = $self->{call};
1342 $r->{t} = $main::systime;
1346 my $ref = DXCluster->get_exact($to);
1347 if ($ref && $ref->dxchan && $ref->dxchan->is_clx) {
1348 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1350 route(undef, $to, pc34($main::mycall, $to, $cmd));