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);
37 use vars qw($me $pc11_max_age $pc23_max_age
38 $last_hour %pings %rcmds
39 %nodehops $baddx $badspotter $badnode $censorpc
40 $allowzero $decode_dk0wcy $send_opernam @checklist);
42 $me = undef; # the channel id for this cluster
43 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
44 $pc23_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc23
46 $last_hour = time; # last time I did an hourly periodic update
47 %pings = (); # outstanding ping requests outbound
48 %rcmds = (); # outstanding rcmd requests outbound
49 %nodehops = (); # node specific hop control
50 $censorpc = 1; # Do a BadWords::check on text fields and reject things
51 # loads of 'bad things'
52 $baddx = new DXHash "baddx";
53 $badspotter = new DXHash "badspotter";
54 $badnode = new DXHash "badnode";
58 [ qw(c c m bp bc c) ], # pc10
59 [ qw(f m d t m c c h) ], # pc11
60 [ qw(c bc m bp bm p h) ], # pc12
64 undef , # pc16 has to be validated manually
67 undef , # pc19 has to be validated manually
68 undef , # pc20 no validation
70 undef , # pc22 no validation
71 [ qw(d n n n n m c c h) ], # pc23
73 [ qw(c c n n) ], # pc25
74 [ qw(f m d t m c c bc) ], # pc26
75 [ qw(d n n n n m c c bc) ], # pc27
76 [ qw(c c m c d t p m bp n p bp bc) ], # pc28
77 [ qw(c c n m) ], # pc29
85 [ qw(c c n m) ], # pc37
86 undef, # pc38 not interested
88 [ qw(c c m p n) ], # pc40
89 [ qw(c n m h) ], # pc41
91 undef, # pc43 don't handle it
92 [ qw(c c n m m c) ], # pc44
93 [ qw(c c n m) ], # pc45
121 [ qw(d n n n n n n m m m c c h) ], # pc73
132 [ qw(c c c m) ], # pc84
133 [ qw(c c c m) ], # pc85
136 # use the entry in the check list to check the field list presented
137 # return OK if line NOT in check list (for now)
142 return 0 if $n < 0 || $n > @checklist;
143 my $ref = $checklist[$n];
144 return 0 unless ref $ref;
147 shift; # not interested in the first field
148 for ($i = 0; $i < @$ref; $i++) {
149 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
150 return 0 unless $act;
151 next if $blank && $_[$i] =~ /^[ \*]$/;
153 return $i+1 unless is_callsign($_[$i]);
154 } elsif ($act eq 'm') {
155 return $i+1 unless is_pctext($_[$i]);
156 } elsif ($act eq 'p') {
157 return $i+1 unless is_pcflag($_[$i]);
158 } elsif ($act eq 'f') {
159 return $i+1 unless is_freq($_[$i]);
160 } elsif ($act eq 'n') {
161 return $i+1 unless $_[$i] =~ /^[\d ]+$/;
162 } elsif ($act eq 'h') {
163 return $i+1 unless $_[$i] =~ /^H\d\d?$/;
164 } elsif ($act eq 'd') {
165 return $i+1 unless $_[$i] =~ /^\s*\d+-\w\w\w-[12][90]\d\d$/;
166 } elsif ($act eq 't') {
167 return $i+1 unless $_[$i] =~ /^[012]\d[012345]\dZ$/;
175 my $user = DXUser->get($main::mycall);
176 $DXProt::myprot_version += $main::version*100;
177 $me = DXProt->new($main::mycall, 0, $user);
179 $me->{state} = "indifferent";
180 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
182 $me->{sort} = 'S'; # S for spider
184 $Route::Node::me->adddxchan($me);
188 # obtain a new connection this is derived from dxchannel
193 my $self = DXChannel::alloc(@_);
197 # this is how a pc connection starts (for an incoming connection)
198 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
199 # all the crap that comes between).
202 my ($self, $line, $sort) = @_;
203 my $call = $self->{call};
204 my $user = $self->{user};
206 # remember type of connection
207 $self->{consort} = $line;
208 $self->{outbound} = $sort eq 'O';
209 $self->{priv} = $user->priv || 1; # other clusters can always be 'normal' users
210 $self->{lang} = $user->lang || 'en';
211 $self->{isolate} = $user->{isolate};
212 $self->{consort} = $line; # save the connection type
215 # get the output filters
216 $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
217 $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
218 $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
219 $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
222 # get the INPUT filters (these only pertain to Clusters)
223 $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
224 $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
225 $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
226 $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
228 # set unbuffered and no echo
229 $self->send_now('B',"0");
230 $self->send_now('E',"0");
232 # ping neighbour node stuff
233 my $ping = $user->pingint;
234 $ping = 5*60 unless defined $ping;
235 $self->{pingint} = $ping;
236 $self->{nopings} = $user->nopings || 2;
237 $self->{pingtime} = [ ];
238 $self->{pingave} = 0;
240 # send initialisation string
241 unless ($self->{outbound}) {
243 $self->{lastping} = $main::systime;
245 $self->{lastping} = $main::systime + ($self->pingint / 2);
247 $self->state('init');
248 $self->{pc50_t} = $main::systime;
250 # send info to all logged in thingies
251 $self->tell_login('loginn');
253 Log('DXProt', "$call connected");
257 # This is the normal pcxx despatcher
261 my ($self, $line) = @_;
262 my @field = split /\^/, $line;
263 return unless @field;
265 pop @field if $field[-1] eq '~';
267 # print join(',', @field), "\n";
269 # ignore any lines that don't start with PC
270 return if !$field[0] =~ /^PC/;
273 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
275 return if $pcno < 10 || $pcno > 99;
277 # check for and dump bad protocol messages
278 my $n = check($pcno, @field);
280 dbg('chan', "PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")");
287 $pcr = Local::pcprot($self, $pcno, @field);
289 # dbg('local', "Local::pcprot error $@") if $@;
293 if ($pcno == 10) { # incoming talk
295 # will we allow it at all?
298 if (@bad = BadWords::check($field[3])) {
299 dbg('chan', "PCPROT: Bad words: @bad, dropped" );
304 # is it for me or one of mine?
305 my ($to, $via, $call, $dxchan);
306 if ($field[5] gt ' ') {
307 $call = $via = $field[2];
310 $call = $to = $field[2];
312 $dxchan = DXChannel->get($call);
313 if ($dxchan && $dxchan->is_user) {
314 $field[3] =~ s/\%5E/^/g;
315 $dxchan->talk($field[1], $to, $via, $field[3]);
317 $self->route($field[2], $line); # relay it on its way
322 if ($pcno == 11 || $pcno == 26) { # dx spot
324 # route 'foreign' pc26s
326 if ($field[7] ne $main::mycall) {
327 $self->route($field[7], $line);
332 # if this is a 'nodx' node then ignore it
333 if ($badnode->in($field[7])) {
334 dbg('chan', "PCPROT: Bad Node, dropped");
338 # if this is a 'bad spotter' user then ignore it
339 if ($badspotter->in($field[6])) {
340 dbg('chan', "PCPROT: Bad Spotter, dropped");
344 # convert the date to a unix date
345 my $d = cltounix($field[3], $field[4]);
346 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
347 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
348 dbg('chan', "PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
353 if ($baddx->in($field[2])) {
354 dbg('chan', "PCPROT: Bad DX spot, ignored");
359 $field[5] =~ s/^\s+//; # take any leading blanks off
360 $field[2] = unpad($field[2]); # take off leading and trailing blanks from spotted callsign
361 if ($field[2] =~ /BUST\w*$/) {
362 dbg('chan', "PCPROT: useless 'BUSTED' spot");
365 if (Spot::dup($field[1], $field[2], $d, $field[5])) {
366 dbg('chan', "PCPROT: Duplicate Spot ignored\n");
371 if (@bad = BadWords::check($field[5])) {
372 dbg('chan', "PCPROT: Bad words: @bad, dropped" );
377 my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
378 # global spot filtering on INPUT
379 if ($self->{inspotsfilter}) {
380 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
382 dbg('chan', "PCPROT: Rejected by filter");
391 # @spot at this point contains:-
392 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
393 # then spotted itu, spotted cq, spotters itu, spotters cq
394 # you should be able to route on any of these
397 # fix up qra locators of known users
398 my $user = DXUser->get_current($spot[4]);
400 my $qra = $user->qra;
401 unless ($qra && DXBearing::is_qra($qra)) {
402 my $lat = $user->lat;
403 my $long = $user->long;
404 if (defined $lat && defined $long) {
405 $user->qra(DXBearing::lltoqra($lat, $long));
410 # send a remote command to a distant cluster if it is visible and there is no
411 # qra locator and we havn't done it for a month.
413 unless ($user->qra) {
415 my $to = $user->homenode;
416 my $last = $user->lastoper || 0;
417 if ($send_opernam && $main::systime > $last + $DXUser::lastoperinterval && $to && ($node = DXCluster->get_exact($to)) ) {
418 my $cmd = "forward/opernam $spot[4]";
419 # send the rcmd but we aren't interested in the replies...
420 if ($node && $node->dxchan && $node->dxchan->is_clx) {
421 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
423 route(undef, $to, pc34($main::mycall, $to, $cmd));
425 if ($to ne $field[7]) {
427 $node = DXCluster->get_exact($to);
428 if ($node && $node->dxchan && $node->dxchan->is_clx) {
429 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
431 route(undef, $to, pc34($main::mycall, $to, $cmd));
434 $user->lastoper($main::systime);
443 $r = Local::spot($self, @spot);
445 # dbg('local', "Local::spot1 error $@") if $@;
448 # DON'T be silly and send on PC26s!
449 return if $pcno == 26;
451 # send out the filtered spots
452 send_dx_spot($self, $line, @spot) if @spot;
456 if ($pcno == 12) { # announces
457 # announce duplicate checking
458 $field[3] =~ s/^\s+//; # remove leading blanks
459 if (AnnTalk::dup($field[1], $field[2], $field[3])) {
460 dbg('chan', "PCPROT: Duplicate Announce ignored");
466 if (@bad = BadWords::check($field[3])) {
467 dbg('chan', "PCPROT: Bad words: @bad, dropped" );
472 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
474 # global ann filtering on INPUT
475 if ($self->{inannfilter}) {
476 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
477 my @dxcc = Prefix::extract($field[1]);
479 $ann_dxcc = $dxcc[1]->dxcc;
480 $ann_itu = $dxcc[1]->itu;
481 $ann_cq = $dxcc[1]->cq();
483 @dxcc = Prefix::extract($field[5]);
485 $org_dxcc = $dxcc[1]->dxcc;
486 $org_itu = $dxcc[1]->itu;
487 $org_cq = $dxcc[1]->cq();
489 my ($filter, $hops) = $self->{inannfilter}->it(@field[1..6], $self->{call},
490 $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
492 dbg('chan', "PCPROT: Rejected by filter");
498 $self->send_announce($line, @field[1..6]);
500 $self->route($field[2], $line);
516 if ($pcno == 16) { # add a user
517 my $node = DXCluster->get_exact($field[1]);
519 if (!$node && ($dxchan = DXChannel->get($field[1]))) {
520 # add it to the node table if it isn't present and it's
522 $node = DXNode->new($dxchan, $field[1], 0, 1, 5400);
523 dbg('chan', "PCPROT: $field[1] no PC19 yet, autovivified as node");
524 # broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
527 if ($field[1] eq $main::mycall || $field[2] eq $main::mycall) {
528 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
531 if ($field[2] eq $main::myalias && DXChannel->get($field[1])) {
532 dbg('chan', "PCPROT: trying to connect sysop from outside!");
536 dbg('chan', "PCPROT: Node $field[1] not in config");
539 unless ($node->isa('DXNode')) {
540 dbg('chan', "PCPROT: $field[1] is not a node");
543 if ($node->dxchan != $self) {
544 dbg('chan', "PCPROT: $field[1] came in on wrong channel");
547 if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
548 dbg('chan', "PCPROT: $field[1] connected locally");
553 for ($i = 2; $i < $#field; $i++) {
554 my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
555 next unless $call && $confmode && defined $here && is_callsign($call);
556 my $ref = DXCluster->get_exact($call);
558 if ($ref->isa('DXNode')) {
559 dbg('chan', "PCPROT: $call is a node");
562 my $rcall = $ref->mynode->call;
563 dbg('chan', "PCPROT: already have $call on $rcall");
567 $confmode = $confmode eq '*';
568 DXNodeuser->new($self, $node, $call, $confmode, $here);
570 # add this station to the user database, if required
571 $call =~ s/-\d+$//o; # remove ssid for users
572 my $user = DXUser->get_current($call);
573 $user = DXUser->new($call) if !$user;
574 $user->homenode($node->call) if !$user->homenode;
575 $user->node($node->call);
576 $user->lastin($main::systime) unless DXChannel->get($call);
580 # queue up any messages (look for privates only)
581 DXMsg::queue_msg(1) if $self->state eq 'normal';
582 # broadcast_route($line, $self, $field[1]);
587 if ($pcno == 17) { # remove a user
588 my $node = DXCluster->get_exact($field[2]);
590 if (!$node && ($dxchan = DXChannel->get($field[2]))) {
591 # add it to the node table if it isn't present and it's
593 $node = DXNode->new($dxchan, $field[2], 0, 1, 5400);
594 dbg('chan', "PCPROT: $field[2] no PC19 yet, autovivified as node");
595 # broadcast_ak1a(pc19($dxchan, $node), $dxchan, $self) unless $dxchan->{isolate};
597 if ($field[1] eq $main::mycall || $field[2] eq $main::mycall) {
598 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
601 if ($field[1] eq $main::myalias && DXChannel->get($field[1])) {
602 dbg('chan', "PCPROT: trying to disconnect sysop from outside!");
606 dbg('chan', "PCPROT: Node $field[2] not in config");
609 unless ($node->isa('DXNode')) {
610 dbg('chan', "PCPROT: $field[2] is not a node");
613 if ($node->dxchan != $self) {
614 dbg('chan', "PCPROT: $field[2] came in on wrong channel");
617 if ($dxchan = DXChannel->get($field[1])) {
618 dbg('chan', "PCPROT: $field[1] connected locally");
621 my $ref = DXCluster->get_exact($field[1]);
623 if ($ref->mynode != $node) {
624 dbg('chan', "PCPROT: $field[1] came in from wrong node $field[2]");
629 dbg('chan', "PCPROT: $field[1] not known" );
632 # broadcast_route($line, $self, $field[2]);
637 if ($pcno == 18) { # link request
638 $self->state('init');
640 # first clear out any nodes on this dxchannel
641 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
642 foreach my $node (@gonenodes) {
643 next if $node->dxchan == $DXProt::me;
644 broadcast_ak1a(pc21($node->call, 'Gone, re-init') , $self) unless $self->{isolate};
647 $self->send_local_config();
649 return; # we don't pass these on
652 if ($pcno == 19) { # incoming cluster list
654 my $newline = "PC19^";
655 for ($i = 1; $i < $#field-1; $i += 4) {
656 my $here = $field[$i];
657 my $call = uc $field[$i+1];
658 my $confmode = $field[$i+2];
659 my $ver = $field[$i+3];
660 next unless defined $here && defined $confmode && is_callsign($call);
662 $ver = 5400 if !$ver && $allowzero;
664 # now check the call over
665 my $node = DXCluster->get_exact($call);
668 if (($dxchan = DXChannel->get($call)) && $dxchan != $self) {
669 dbg('chan', "PCPROT: $call connected locally");
671 if ($node->dxchan != $self) {
672 dbg('chan', "PCPROT: $call come in on wrong channel");
675 my $rcall = $node->mynode->call;
676 dbg('chan', "PCPROT: already have $call on $rcall");
680 # check for sane parameters
681 next if $ver < 5000; # only works with version 5 software
682 next if length $call < 3; # min 3 letter callsigns
684 # add it to the nodes table and outgoing line
685 $newline .= "$here^$call^$confmode^$ver^";
686 DXNode->new($self, $call, $confmode, $here, $ver);
688 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
689 my $mref = DXMsg::get_busy($call);
690 $mref->stop_msg($call) if $mref;
692 # add this station to the user database, if required (don't remove SSID from nodes)
693 my $user = DXUser->get_current($call);
695 $user = DXUser->new($call);
697 $user->priv(1); # I have relented and defaulted nodes
698 $self->{priv} = 1; # to user RCMDs allowed
699 $user->homenode($call);
702 $user->lastin($main::systime) unless DXChannel->get($call);
706 return if $newline eq "PC19^";
709 $newline .= get_hops(19) . "^";
714 if ($pcno == 20) { # send local configuration
715 $self->send_local_config();
717 $self->state('normal');
721 if ($pcno == 21) { # delete a cluster from the list
722 my $call = uc $field[1];
723 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
724 my $node = DXCluster->get_exact($call);
726 unless ($node->isa('DXNode')) {
727 dbg('chan', "PCPROT: $call is not a node");
730 if ($call eq $self->{call}) {
731 dbg('chan', "PCPROT: Trying to disconnect myself with PC21");
734 if ($node->dxchan != $self) {
735 dbg('chan', "PCPROT: $call come in on wrong channel");
739 if ($dxchan = DXChannel->get($call)) {
740 dbg('chan', "PCPROT: $call connected locally");
745 dbg('chan', "PCPROT: $call not in table, dropped");
749 dbg('chan', "PCPROT: I WILL _NOT_ be disconnected!");
752 # broadcast_route($line, $self, $call);
758 $self->state('normal');
762 if ($pcno == 23 || $pcno == 27) { # WWV info
764 # route 'foreign' pc27s
766 if ($field[8] ne $main::mycall) {
767 $self->route($field[8], $line);
773 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
774 my $sfi = unpad($field[3]);
775 my $k = unpad($field[4]);
776 my $i = unpad($field[5]);
777 my ($r) = $field[6] =~ /R=(\d+)/;
779 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
780 dbg('chan', "PCPROT: WWV Date ($field[1] $field[2]) out of range");
783 if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
784 dbg('chan', "PCPROT: Dup WWV Spot ignored\n");
787 $field[7] =~ s/-\d+$//o; # remove spotter's ssid
789 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
793 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
795 # dbg('local', "Local::wwv2 error $@") if $@;
798 # DON'T be silly and send on PC27s!
799 return if $pcno == 27;
801 # broadcast to the eager world
802 send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
806 if ($pcno == 24) { # set here status
807 my $call = uc $field[1];
808 my $ref = DXCluster->get_exact($call);
809 $ref->here($field[2]) if $ref;
813 if ($pcno == 25) { # merge request
814 if ($field[1] ne $main::mycall) {
815 $self->route($field[1], $line);
818 if ($field[2] eq $main::mycall) {
819 dbg('chan', "PCPROT: Trying to merge to myself, ignored");
823 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
827 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
830 $self->send(pc26(@{$in}[0..4], $field[2]));
836 my @in = reverse Geomag::search(0, $field[4], time, 1);
839 $self->send(pc27(@{$in}[0..5], $field[2]));
845 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
846 if ($pcno == 49 || $field[1] eq $main::mycall) {
847 DXMsg::process($self, $line);
849 $self->route($field[1], $line) unless $self->is_clx;
854 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
855 if ($field[1] eq $main::mycall) {
856 my $ref = DXUser->get_current($field[2]);
857 my $cref = DXCluster->get($field[2]);
858 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
859 unless (!$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
860 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
861 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
862 my $oldpriv = $self->{priv};
863 $self->{priv} = $ref->{priv}; # assume the user's privilege level
864 my @in = (DXCommandmode::run_cmd($self, $field[3]));
865 $self->{priv} = $oldpriv;
868 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
869 Log('rcmd', 'out', $field[2], $_);
871 delete $self->{remotecmd};
873 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
876 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
879 my $ref = DXUser->get_current($field[1]);
880 if ($ref && $ref->is_clx) {
881 $self->route($field[1], pc84($field[2], $field[1], $field[2], $field[3]));
883 $self->route($field[1], $line);
889 if ($pcno == 35) { # remote command replies
890 if ($field[1] eq $main::mycall) {
891 my $s = $rcmds{$field[2]};
893 my $dxchan = DXChannel->get($s->{call});
894 $dxchan->send($field[3]) if $dxchan;
895 delete $rcmds{$field[2]} if !$dxchan;
897 # send unsolicited ones to the sysop
898 my $dxchan = DXChannel->get($main::myalias);
899 $dxchan->send($field[3]) if $dxchan;
902 my $ref = DXUser->get_current($field[1]);
903 if ($ref && $ref->is_clx) {
904 $self->route($field[1], pc85($field[2], $field[1], $field[2], $field[3]));
906 $self->route($field[1], $line);
912 # for pc 37 see 44 onwards
914 if ($pcno == 38) { # node connected list from neighbour
918 if ($pcno == 39) { # incoming disconnect
919 if ($field[1] eq $self->{call}) {
920 $self->disconnect(1);
922 dbg('chan', "PCPROT: came in on wrong channel");
927 if ($pcno == 41) { # user info
928 # add this station to the user database, if required
929 my $user = DXUser->get_current($field[1]);
930 $user = DXUser->new($field[1]) if !$user;
932 if ($field[2] == 1) {
933 $user->name($field[3]);
934 } elsif ($field[2] == 2) {
935 $user->qth($field[3]);
936 } elsif ($field[2] == 3) {
937 my ($lat, $long) = DXBearing::stoll($field[3]);
940 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra && DXBearing::is_qra($user->qra);
941 } elsif ($field[2] == 4) {
942 $user->homenode($field[3]);
944 $user->lastoper($main::systime); # to cut down on excessive for/opers being generated
951 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
952 DXDb::process($self, $line);
956 if ($pcno == 50) { # keep alive/user list
957 my $node = DXCluster->get_exact($field[1]);
959 return unless $node->isa('DXNode');
960 return unless $node->dxchan == $self;
961 $node->update_users($field[2]);
966 if ($pcno == 51) { # incoming ping requests/answers
969 if ($field[1] eq $main::mycall) {
970 my $flag = $field[3];
972 $self->send(pc51($field[2], $field[1], '0'));
974 # it's a reply, look in the ping list for this one
975 my $ref = $pings{$field[2]};
977 my $tochan = DXChannel->get($field[2]);
980 my $dxchan = DXChannel->get($r->{call});
982 my $t = tv_interval($r->{t}, [ gettimeofday ]);
983 if ($dxchan->is_user) {
984 my $s = sprintf "%.2f", $t;
985 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
986 $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
987 } elsif ($dxchan->is_node) {
989 $tochan->{nopings} = $tochan->user->nopings || 2; # pump up the timer
990 push @{$tochan->{pingtime}}, $t;
991 shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
993 for (@{$tochan->{pingtime}}) {
996 $tochan->{pingave} = $st / @{$tochan->{pingtime}};
1003 # route down an appropriate thingy
1004 $self->route($field[1], $line);
1009 if ($pcno == 75) { # dunno but route it
1010 if ($field[1] ne $main::mycall) {
1011 $self->route($field[1], $line);
1016 if ($pcno == 73) { # WCY broadcasts
1019 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
1020 if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
1021 dbg('chan', "PCPROT: WCY Date ($field[1] $field[2]) out of range");
1024 @field = map { unpad($_) } @field;
1025 if (WCY::dup($d,@field[3..7])) {
1026 dbg('chan', "PCPROT: Dup WCY Spot ignored\n");
1030 my $wcy = WCY::update($d, @field[2..12]);
1034 $rep = Local::wwv($self, @field[1..12]);
1036 # dbg('local', "Local::wcy error $@") if $@;
1039 # broadcast to the eager world
1040 send_wcy_spot($self, $line, $d, @field[2..12]);
1044 if ($pcno == 84) { # remote commands (incoming)
1045 if ($field[1] eq $main::mycall) {
1046 my $ref = DXUser->get_current($field[2]);
1047 my $cref = DXCluster->get($field[2]);
1048 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
1049 unless ($field[4] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
1050 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
1051 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1052 my $oldpriv = $self->{priv};
1053 $self->{priv} = $ref->{priv}; # assume the user's privilege level
1054 my @in = (DXCommandmode::run_cmd($self, $field[4]));
1055 $self->{priv} = $oldpriv;
1058 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:$_"));
1059 Log('rcmd', 'out', $field[2], $_);
1061 delete $self->{remotecmd};
1063 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:sorry...!"));
1066 $self->send(pc85($main::mycall, $field[2], $field[3],"$main::mycall:your attempt is logged, Tut tut tut...!"));
1069 my $ref = DXUser->get_current($field[1]);
1070 if ($ref && $ref->is_clx) {
1071 $self->route($field[1], $line);
1073 $self->route($field[1], pc34($field[2], $field[1], $field[4]));
1079 if ($pcno == 85) { # remote command replies
1080 if ($field[1] eq $main::mycall) {
1081 my $dxchan = DXChannel->get($field[3]);
1083 $dxchan->send($field[4]);
1085 my $s = $rcmds{$field[2]};
1087 $dxchan = DXChannel->get($s->{call});
1088 $dxchan->send($field[4]) if $dxchan;
1089 delete $rcmds{$field[2]} if !$dxchan;
1091 # send unsolicited ones to the sysop
1092 my $dxchan = DXChannel->get($main::myalias);
1093 $dxchan->send($field[4]) if $dxchan;
1097 my $ref = DXUser->get_current($field[1]);
1098 if ($ref && $ref->is_clx) {
1099 $self->route($field[1], $line);
1101 $self->route($field[1], pc35($field[2], $field[1], $field[4]));
1108 # if get here then rebroadcast the thing with its Hop count decremented (if
1109 # there is one). If it has a hop count and it decrements to zero then don't
1112 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1116 unless ($self->{isolate}) {
1117 broadcast_ak1a($line, $self); # send it to everyone but me
1122 # This is called from inside the main cluster processing loop and is used
1123 # for despatching commands that are doing some long processing job
1128 my @dxchan = DXChannel->get_all();
1131 foreach $dxchan (@dxchan) {
1132 next unless $dxchan->is_node();
1133 next if $dxchan == $me;
1135 # send a pc50 out on this channel
1136 $dxchan->{pc50_t} = $main::systime unless exists $dxchan->{pc50_t};
1137 if ($t >= $dxchan->{pc50_t} + $DXProt::pc50_interval) {
1138 $dxchan->send(pc50(scalar DXChannel::get_all_users));
1139 $dxchan->{pc50_t} = $t;
1142 # send a ping out on this channel
1143 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1144 if ($dxchan->{nopings} <= 0) {
1145 $dxchan->disconnect;
1147 addping($main::mycall, $dxchan->call);
1148 $dxchan->{nopings} -= 1;
1149 $dxchan->{lastping} = $t;
1157 if ($main::systime - 3600 > $last_hour) {
1161 $last_hour = $main::systime;
1166 # finish up a pc context
1170 # some active measures
1176 my @dxchan = DXChannel::get_all_nodes();
1179 # send it if it isn't the except list and isn't isolated and still has a hop count
1180 # taking into account filtering and so on
1181 foreach $dxchan (@dxchan) {
1183 my ($filter, $hops);
1185 if ($dxchan->{routefilter}) {
1186 ($filter, $hops) = $dxchan->{routefilter}->it($self->{call}, @_);
1187 next unless $filter;
1189 next if $dxchan == $self;
1192 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1194 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1195 next unless $routeit;
1198 $dxchan->send($routeit) if $routeit;
1200 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1209 my @dxchan = DXChannel->get_all();
1212 # send it if it isn't the except list and isn't isolated and still has a hop count
1213 # taking into account filtering and so on
1214 foreach $dxchan (@dxchan) {
1216 my ($filter, $hops);
1218 if ($dxchan->{spotsfilter}) {
1219 ($filter, $hops) = $dxchan->{spotsfilter}->it(@_, $self->{call} );
1220 next unless $filter;
1223 if ($dxchan->is_node) {
1224 next if $dxchan == $self;
1227 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1229 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1230 next unless $routeit;
1233 $dxchan->send($routeit) if $routeit;
1235 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1237 } elsif ($dxchan->is_user && $dxchan->{dx}) {
1238 my $buf = Spot::formatb($dxchan->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
1239 $buf .= "\a\a" if $dxchan->{beep};
1241 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1242 $dxchan->send($buf);
1244 $dxchan->delay($buf);
1254 my @dxchan = DXChannel->get_all();
1256 my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1257 my @dxcc = Prefix::extract($_[7]);
1259 $wwv_dxcc = $dxcc[1]->dxcc;
1260 $wwv_itu = $dxcc[1]->itu;
1261 $wwv_cq = $dxcc[1]->cq;
1263 @dxcc = Prefix::extract($_[8]);
1265 $org_dxcc = $dxcc[1]->dxcc;
1266 $org_itu = $dxcc[1]->itu;
1267 $org_cq = $dxcc[1]->cq;
1270 # send it if it isn't the except list and isn't isolated and still has a hop count
1271 # taking into account filtering and so on
1272 foreach $dxchan (@dxchan) {
1274 my ($filter, $hops);
1276 if ($dxchan->{wwvfilter}) {
1277 ($filter, $hops) = $dxchan->{wwvfilter}->it(@_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1278 next unless $filter;
1280 if ($dxchan->is_node) {
1281 next if $dxchan == $self;
1284 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1286 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1287 next unless $routeit;
1290 $dxchan->send($routeit) if $routeit;
1292 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1295 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
1296 my $buf = "WWV de $_[6] <$_[1]>: SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1297 $buf .= "\a\a" if $dxchan->{beep};
1298 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1299 $dxchan->send($buf);
1301 $dxchan->delay($buf);
1311 my @dxchan = DXChannel->get_all();
1313 my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1314 my @dxcc = Prefix::extract($_[11]);
1316 $wcy_dxcc = $dxcc[1]->dxcc;
1317 $wcy_itu = $dxcc[1]->itu;
1318 $wcy_cq = $dxcc[1]->cq;
1320 @dxcc = Prefix::extract($_[12]);
1322 $org_dxcc = $dxcc[1]->dxcc;
1323 $org_itu = $dxcc[1]->itu;
1324 $org_cq = $dxcc[1]->cq;
1327 # send it if it isn't the except list and isn't isolated and still has a hop count
1328 # taking into account filtering and so on
1329 foreach $dxchan (@dxchan) {
1331 my ($filter, $hops);
1333 if ($dxchan->{wcyfilter}) {
1334 ($filter, $hops) = $dxchan->{wcyfilter}->it(@_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1335 next unless $filter;
1337 if ($dxchan->is_clx || $dxchan->is_spider || $dxchan->is_dxnet) {
1338 next if $dxchan == $self;
1341 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1343 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1344 next unless $routeit;
1347 $dxchan->send($routeit) if $routeit;
1349 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1351 } elsif ($dxchan->is_user && $dxchan->{wcy}) {
1352 my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1353 $buf .= "\a\a" if $dxchan->{beep};
1354 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1355 $dxchan->send($buf);
1357 $dxchan->delay($buf);
1368 my @dxchan = DXChannel->get_all();
1370 my $text = unpad($_[2]);
1374 if ($_[3] eq '*') { # sysops
1376 } elsif ($_[3] gt ' ') { # speciality list handling
1377 my ($name) = split /\./, $_[3];
1378 $target = "$name"; # put the rest in later (if bothered)
1385 $target = "ALL" if !$target;
1387 Log('ann', $target, $_[0], $text);
1389 # obtain country codes etc
1390 my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1391 my @dxcc = Prefix::extract($_[0]);
1393 $ann_dxcc = $dxcc[1]->dxcc;
1394 $ann_itu = $dxcc[1]->itu;
1395 $ann_cq = $dxcc[1]->cq;
1397 @dxcc = Prefix::extract($_[4]);
1399 $org_dxcc = $dxcc[1]->dxcc;
1400 $org_itu = $dxcc[1]->itu;
1401 $org_cq = $dxcc[1]->cq;
1404 # send it if it isn't the except list and isn't isolated and still has a hop count
1405 # taking into account filtering and so on
1406 foreach $dxchan (@dxchan) {
1408 my ($filter, $hops);
1410 if ($dxchan->{annfilter}) {
1411 ($filter, $hops) = $dxchan->{annfilter}->it(@_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1412 next unless $filter;
1414 if ($dxchan->is_node && $_[1] ne $main::mycall) { # i.e not specifically routed to me
1415 next if $dxchan == $self;
1418 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1420 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1421 next unless $routeit;
1424 $dxchan->send($routeit) if $routeit;
1426 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1429 } elsif ($dxchan->is_user) {
1430 unless ($dxchan->{ann}) {
1431 next if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
1433 next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
1434 my $buf = "$to$target de $_[0]: $text";
1436 $buf .= "\a\a" if $dxchan->{beep};
1437 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1438 $dxchan->send($buf);
1440 $dxchan->delay($buf);
1446 sub send_local_config
1455 if ($self->{isolate}) {
1456 @localnodes = (DXCluster->get_exact($main::mycall));
1458 # create a list of all the nodes that are not connected to this connection
1459 # and are not themselves isolated, this to make sure that isolated nodes
1460 # don't appear outside of this node
1461 @nodes = DXNode::get_all();
1462 @nodes = grep { $_->{call} ne $main::mycall } @nodes;
1463 @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
1464 @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
1465 @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
1466 unshift @localnodes, DXCluster->get_exact($main::mycall);
1467 @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
1470 my @s = $me->pc19(@localnodes, @remotenodes);
1472 my $routeit = adjust_hops($self, $_);
1473 $self->send($routeit) if $routeit;
1476 # get all the users connected on the above nodes and send them out
1477 foreach $n (@localnodes, @remotenodes) {
1478 my @users = values %{$n->list};
1479 my @s = pc16($n, @users);
1481 my $routeit = adjust_hops($self, $_);
1482 $self->send($routeit) if $routeit;
1488 # route a message down an appropriate interface for a callsign
1490 # is called route(to, pcline);
1494 my ($self, $call, $line) = @_;
1496 if (ref $self && $call eq $self->{call}) {
1497 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1501 # always send it down the local interface if available
1502 my $dxchan = DXChannel->get($call);
1504 my $cl = DXCluster->get_exact($call);
1505 $dxchan = $cl->dxchan if $cl;
1507 if (ref $self && $dxchan eq $self) {
1508 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1514 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
1516 $dxchan->send($routeit);
1519 dbg('chan', "PCPROT: No route available, dropped");
1523 # broadcast a message to all clusters taking into account isolation
1524 # [except those mentioned after buffer]
1527 my $s = shift; # the line to be rebroadcast
1528 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1529 my @dxchan = DXChannel::get_all_nodes();
1532 # send it if it isn't the except list and isn't isolated and still has a hop count
1533 foreach $dxchan (@dxchan) {
1534 next if grep $dxchan == $_, @except;
1535 next if $dxchan == $me;
1537 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1538 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1542 # broadcast a message to all clusters ignoring isolation
1543 # [except those mentioned after buffer]
1544 sub broadcast_all_ak1a
1546 my $s = shift; # the line to be rebroadcast
1547 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1548 my @dxchan = DXChannel::get_all_nodes();
1551 # send it if it isn't the except list and isn't isolated and still has a hop count
1552 foreach $dxchan (@dxchan) {
1553 next if grep $dxchan == $_, @except;
1554 next if $dxchan == $me;
1556 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
1557 $dxchan->send($routeit);
1561 # broadcast to all users
1562 # storing the spot or whatever until it is in a state to receive it
1565 my $s = shift; # the line to be rebroadcast
1566 my $sort = shift; # the type of transmission
1567 my $fref = shift; # a reference to an object to filter on
1568 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
1569 my @dxchan = DXChannel::get_all_users();
1573 foreach $dxchan (@dxchan) {
1574 next if grep $dxchan == $_, @except;
1577 broadcast_list($s, $sort, $fref, @out);
1580 # broadcast to a list of users
1588 foreach $dxchan (@_) {
1590 next if $dxchan == $me;
1592 if ($sort eq 'dx') {
1593 next unless $dxchan->{dx};
1594 ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
1595 next unless $filter;
1597 next if $sort eq 'ann' && !$dxchan->{ann};
1598 next if $sort eq 'wwv' && !$dxchan->{wwv};
1599 next if $sort eq 'wcy' && !$dxchan->{wcy};
1600 next if $sort eq 'wx' && !$dxchan->{wx};
1602 $s =~ s/\a//og unless $dxchan->{beep};
1604 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1614 # obtain the hops from the list for this callsign and pc no
1620 my $hops = $DXProt::hopcount{$pcno};
1621 $hops = $DXProt::def_hopcount if !$hops;
1626 # adjust the hop count on a per node basis using the user loadable
1627 # hop table if available or else decrement an existing one
1634 my $call = $self->{call};
1637 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1638 my ($pcno) = $s =~ /^PC(\d\d)/o;
1639 confess "$call called adjust_hops with '$s'" unless $pcno;
1640 my $ref = $nodehops{$call} if %nodehops;
1642 my $newhops = $ref->{$pcno};
1643 return "" if defined $newhops && $newhops == 0;
1644 $newhops = $ref->{default} unless $newhops;
1645 return "" if defined $newhops && $newhops == 0;
1646 $newhops = $hops if !$newhops;
1647 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1649 # simply decrement it
1651 return "" if !$hops;
1652 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1664 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1665 do "$main::data/hop_table.pl";
1671 # add a ping request to the ping queues
1674 my ($from, $to) = @_;
1675 my $ref = $pings{$to} || [];
1678 $r->{t} = [ gettimeofday ];
1679 route(undef, $to, pc51($to, $main::mycall, 1));
1684 # add a rcmd request to the rcmd queues
1687 my ($self, $to, $cmd) = @_;
1690 $r->{call} = $self->{call};
1691 $r->{t} = $main::systime;
1695 my $ref = DXCluster->get_exact($to);
1696 if ($ref && $ref->dxchan && $ref->dxchan->is_clx) {
1697 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1699 route(undef, $to, pc34($main::mycall, $to, $cmd));
1706 my $pc39flag = shift;
1707 my $call = $self->call;
1709 unless ($pc39flag && $pc39flag == 1) {
1710 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1713 # unbusy and stop and outgoing mail
1714 my $mref = DXMsg::get_busy($call);
1715 $mref->stop_msg($call) if $mref;
1717 # create a list of all the nodes that have gone and delete them from the table
1719 foreach my $node (grep { $_->dxchancall eq $call } DXNode::get_all) {
1720 next if $node->call eq $call;
1721 next if $node->call eq $main::mycall;
1722 push @nodes, $node->call;
1726 # broadcast to all other nodes that all the nodes connected to via me are gone
1727 unless ($pc39flag && $pc39flag == 2) {
1728 unless ($self->{isolate}) {
1731 broadcast_ak1a(pc21($_, 'Gone.'), $self);
1736 # remove this node from the tables
1737 my $node = DXCluster->get_exact($call);
1738 $node->del if $node;
1740 # remove outstanding pings
1741 delete $pings{$call};
1743 # I was the last node visited
1744 $self->user->node($main::mycall);
1746 # send info to all logged in thingies
1747 $self->tell_login('logoutn');
1749 Log('DXProt', $call . " Disconnected");
1751 $self->SUPER::disconnect;
1756 # send a talk message to this thingy
1760 my ($self, $from, $to, $via, $line) = @_;
1762 $line =~ s/\^/\\5E/g; # remove any ^ characters
1763 $self->send(DXProt::pc10($from, $to, $via, $line));
1764 Log('talk', $self->call, $from, $via?$via:$main::mycall, $line);