3 # This module impliments the protocal mode for a dx cluster
5 # Copyright (c) 1998 Dirk Koopman G1TLH
31 use vars qw($me $pc11_max_age $pc11_dup_age $pc23_dup_age
32 %spotdup %wwvdup $last_hour %pings %rcmds
33 %nodehops @baddx $baddxfn $pc12_dup_age
36 $me = undef; # the channel id for this cluster
37 $pc11_max_age = 1*3600; # the maximum age for an incoming 'real-time' pc11
38 $pc11_dup_age = 24*3600; # the maximum time to keep the spot dup list for
39 $pc23_dup_age = 24*3600; # the maximum time to keep the wwv dup list for
40 $pc12_dup_age = 24*3600; # the maximum time to keep the ann dup list for
41 %spotdup = (); # the pc11 and 26 dup hash
42 %wwvdup = (); # the pc23 and 27 dup hash
43 %anndup = (); # the PC12 dup hash
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
50 $baddxfn = "$main::data/baddx.pl";
54 my $user = DXUser->get($main::mycall);
55 $DXProt::myprot_version += $main::version*100;
56 $me = DXProt->new($main::mycall, 0, $user);
58 $me->{state} = "indifferent";
59 do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
61 # $me->{sort} = 'M'; # M for me
63 # now prime the spot duplicates file with today's and yesterday's data
64 my @today = Julian::unixtoj(time);
65 my @spots = Spot::readfile(@today);
66 @today = Julian::sub(@today, 1);
67 push @spots, Spot::readfile(@today);
69 my $dupkey = "$_->[0]$_->[1]$_->[2]$_->[3]$_->[4]";
70 $spotdup{$dupkey} = $_->[2];
73 # now prime the wwv duplicates file with just this month's data
74 my @wwv = Geomag::readfile(time);
76 my $dupkey = "$_->[1].$_->[2]$_->[3]$_->[4]";
77 $wwvdup{$dupkey} = $_->[1];
81 do "$baddxfn" if -e "$baddxfn";
86 # obtain a new connection this is derived from dxchannel
91 my $self = DXChannel::alloc(@_);
92 $self->{'sort'} = 'A'; # in absence of how to find out what sort of an object I am
96 # this is how a pc connection starts (for an incoming connection)
97 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
98 # all the crap that comes between).
101 my ($self, $line, $sort) = @_;
102 my $call = $self->{call};
103 my $user = $self->{user};
105 # remember type of connection
106 $self->{consort} = $line;
107 $self->{outbound} = $sort eq 'O';
108 $self->{priv} = $user->priv;
109 $self->{lang} = $user->lang;
110 $self->{isolate} = $user->{isolate};
111 $self->{consort} = $line; # save the connection type
115 $self->{spotfilter} = Filter::read_in('spots', $call);
116 $self->{wwvfilter} = Filter::read_in('wwv', $call);
117 $self->{annfilter} = Filter::read_in('ann', $call);
119 # set unbuffered and no echo
120 $self->send_now('B',"0");
121 $self->send_now('E',"0");
123 # send initialisation string
124 if (!$self->{outbound}) {
125 $self->send(pc38()) if DXNode->get_all();
128 $self->state('init');
131 Log('DXProt', "$call connected");
135 # This is the normal pcxx despatcher
139 my ($self, $line) = @_;
140 my @field = split /\^/, $line;
141 pop @field if $field[-1] eq '~';
143 # print join(',', @field), "\n";
145 # ignore any lines that don't start with PC
146 return if !$field[0] =~ /^PC/;
149 my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
151 return if $pcno < 10 || $pcno > 51;
156 $pcr = Local::pcprot($self, $pcno, @field);
158 # dbg('local', "Local::pcprot error $@") if $@;
162 if ($pcno == 10) { # incoming talk
164 # is it for me or one of mine?
165 my $call = ($field[5] gt ' ') ? $field[5] : $field[2];
166 if ($call eq $main::mycall || grep $_ eq $call, get_all_user_calls()) {
169 my $text = unpad($field[3]);
170 Log('talk', $call, $field[1], $field[6], $text);
171 $call = $main::myalias if $call eq $main::mycall;
172 my $ref = DXChannel->get($call);
173 $ref->send("$call de $field[1]: $text") if $ref && $ref->{talk};
175 route($field[2], $line); # relay it on its way
180 if ($pcno == 11 || $pcno == 26) { # dx spot
182 # if this is a 'nodx' node then ignore it
183 last SWITCH if grep $field[7] =~ /^$_/, @DXProt::nodx_node;
185 # convert the date to a unix date
186 my $d = cltounix($field[3], $field[4]);
187 # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
188 if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
189 dbg('chan', "Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
193 # strip off the leading & trailing spaces from the comment
194 my $text = unpad($field[5]);
197 my $spotter = $field[6];
198 $spotter =~ s/-\d+$//o; # strip off the ssid from the spotter
201 my $freq = $field[1] - 0;
202 my $dupkey = "$freq$field[2]$d$text$spotter";
203 if ($spotdup{$dupkey}) {
204 dbg('chan', "Duplicate Spot ignored\n");
208 $spotdup{$dupkey} = $d;
211 if (grep $field[2] eq $_, @baddx) {
212 dbg('chan', "Bad DX spot, ignored");
216 my @spot = Spot::add($freq, $field[2], $d, $text, $spotter, $field[7]);
219 # @spot at this point contains:-
220 # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
221 # then spotted itu, spotted cq, spotters itu, spotters cq
222 # you should be able to route on any of these
228 $r = Local::spot($self, @spot);
230 # dbg('local', "Local::spot1 error $@") if $@;
233 # DON'T be silly and send on PC26s!
234 return if $pcno == 26;
236 # send out the filtered spots
237 send_dx_spot($self, $line, @spot) if @spot;
241 if ($pcno == 12) { # announces
242 # announce duplicate checking
243 my $text = uc unpad($field[3]);
244 my $dupkey = $field[1].$field[2].$text.$field[4].$field[6];
245 if ($anndup{$dupkey}) {
246 dbg('chan', "Duplicate Announce ignored\n");
249 $anndup{$dupkey} = $main::systime;
251 # global ann filtering
252 my ($filter, $hops) = Filter::it($self->{annfilter}, @field[1..6], $self->{call} ) if $self->{annfilter};
253 if ($self->{annfilter} && !$filter) {
254 dbg('chan', "Rejected by filter");
258 if ($field[2] eq '*' || $field[2] eq $main::mycall) {
260 # strip leading and trailing stuff
261 my $text = unpad($field[3]);
266 if ($field[4] eq '*') { # sysops
268 @list = map { $_->priv >= 5 ? $_ : () } get_all_users();
269 } elsif ($field[4] gt ' ') { # speciality list handling
270 my ($name) = split /\./, $field[4];
271 $target = "$name"; # put the rest in later (if bothered)
274 if ($field[6] eq '1') {
278 $target = "All" if !$target;
281 broadcast_list("$to$target de $field[1]: $text", 'ann', undef, @list);
283 broadcast_users("$target de $field[1]: $text", 'ann', undef);
285 Log('ann', $target, $field[1], $text);
287 return if $field[2] eq $main::mycall; # it's routed to me
289 route($field[2], $line);
290 return; # only on a routed one
306 if ($pcno == 16) { # add a user
307 my $node = DXCluster->get_exact($field[1]);
308 return unless $node; # ignore if havn't seen a PC19 for this one yet
309 return unless $node->isa('DXNode');
310 if ($node->dxchan != $self) {
311 dbg('chan', "LOOP: come in on wrong channel");
317 for ($i = 2; $i < $#field; $i++) {
318 my ($call, $confmode, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
319 next if !$call || length $call < 3 || length $call > 8;
322 next if DXCluster->get_exact($call); # we already have this (loop?)
324 $confmode = $confmode eq '*';
325 DXNodeuser->new($self, $node, $call, $confmode, $here);
327 # add this station to the user database, if required
328 $call =~ s/-\d+$//o; # remove ssid for users
329 my $user = DXUser->get_current($call);
330 $user = DXUser->new($call) if !$user;
331 $user->homenode($node->call) if !$user->homenode;
332 $user->node($node->call);
333 $user->lastin($main::systime) unless DXChannel->get($call);
337 # queue up any messages (look for privates only)
338 DXMsg::queue_msg(1) if $self->state eq 'normal';
342 if ($pcno == 17) { # remove a user
343 my $node = DXCluster->get_exact($field[2]);
345 return unless $node->isa('DXNode');
346 if ($node->dxchan != $self) {
347 dbg('chan', "LOOP: come in on wrong channel");
350 my $ref = DXCluster->get_exact($field[1]);
355 if ($pcno == 18) { # link request
356 $self->send_local_config();
358 $self->state('init');
359 return; # we don't pass these on
362 if ($pcno == 19) { # incoming cluster list
364 for ($i = 1; $i < $#field-1; $i += 4) {
365 my $here = $field[$i];
366 my $call = uc $field[$i+1];
367 my $confmode = $field[$i+2] eq '*';
368 my $ver = $field[$i+3];
370 # now check the call over
371 my $node = DXCluster->get_exact($call);
372 if ($node && $node->dxchan != $self) {
373 dbg('chan', "LOOP: come in on wrong channel");
376 next if $node; # we already have this
378 # check for sane parameters
379 next if $ver < 5000; # only works with version 5 software
380 next if length $call < 3; # min 3 letter callsigns
381 DXNode->new($self, $call, $confmode, $here, $ver);
383 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
384 my $mref = DXMsg::get_busy($call);
385 $mref->stop_msg($self) if $mref;
387 # add this station to the user database, if required (don't remove SSID from nodes)
388 my $user = DXUser->get_current($call);
390 $user = DXUser->new($call);
392 $user->priv(1); # I have relented and defaulted nodes
393 $self->{priv} = 1; # to user RCMDs allowed
394 $user->homenode($call);
397 $user->lastin($main::systime) unless DXChannel->get($call);
401 # queue up any messages
402 DXMsg::queue_msg(0) if $self->state eq 'normal';
406 if ($pcno == 20) { # send local configuration
407 $self->send_local_config();
409 $self->state('normal');
417 if ($pcno == 21) { # delete a cluster from the list
418 my $call = uc $field[1];
419 if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
420 my $node = DXCluster->get_exact($call);
422 if ($node->dxchan != $self) {
423 dbg('chan', "LOOP: come in on wrong channel");
428 dbg('chan', "$call not in table, dropped");
436 $self->state('normal');
443 if ($pcno == 23 || $pcno == 27) { # WWV info
445 my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
446 my $sfi = unpad($field[3]);
447 my $k = unpad($field[4]);
448 my $i = unpad($field[5]);
449 my $dupkey = "$d.$sfi$k$i";
450 if ($wwvdup{$dupkey}) {
451 dbg('chan', "Dup WWV Spot ignored\n");
454 if ($d > $main::systime + 900 || $field[2] < 0 || $field[2] > 23) {
455 dbg('chan', "WWV Date ($field[1] $field[2]) out of range");
458 $wwvdup{$dupkey} = $d;
459 $field[6] =~ s/-\d+$//o; # remove spotter's ssid
461 my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..$#field]);
465 $r = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..$#field]);
467 # dbg('local', "Local::wwv2 error $@") if $@;
470 # DON'T be silly and send on PC27s!
471 return if $pcno == 27;
473 # broadcast to the eager users
474 broadcast_users("WWV de $field[7] <$field[2]>: SFI=$sfi, A=$k, K=$i, $field[6]", 'wwv', $wwv );
478 if ($pcno == 24) { # set here status
479 my $call = uc $field[1];
480 my $ref = DXCluster->get_exact($call);
481 $ref->here($field[2]) if $ref;
485 if ($pcno == 25) { # merge request
486 if ($field[1] ne $main::mycall) {
487 route($field[1], $line);
491 Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
495 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]-1);
498 $self->send(pc26(@{$in}[0..4], $in->[7]));
504 my @in = reverse Geomag::search(0, $field[4], time, 1);
507 $self->send(pc27(@{$in}));
513 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
514 DXMsg::process($self, $line);
518 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
519 if ($field[1] eq $main::mycall) {
520 my $ref = DXUser->get_current($field[2]);
521 my $cref = DXCluster->get($field[2]);
522 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
523 unless ($field[3] =~ /rcmd/i || !$cref || !$ref || $cref->mynode->call ne $ref->homenode) { # not allowed to relay RCMDS!
524 if ($ref->{priv}) { # you have to have SOME privilege, the commands have further filtering
525 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
526 my $oldpriv = $self->{priv};
527 $self->{priv} = $ref->{priv}; # assume the user's privilege level
528 my @in = (DXCommandmode::run_cmd($self, $field[3]));
529 $self->{priv} = $oldpriv;
532 $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
533 Log('rcmd', 'out', $field[2], $_);
535 delete $self->{remotecmd};
537 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
540 $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
543 route($field[1], $line);
548 if ($pcno == 35) { # remote command replies
549 if ($field[1] eq $main::mycall) {
550 my $s = $rcmds{$field[2]};
552 my $dxchan = DXChannel->get($s->{call});
553 $dxchan->send($field[3]) if $dxchan;
554 delete $rcmds{$field[2]} if !$dxchan;
557 route($field[1], $line);
566 if ($pcno == 38) { # node connected list from neighbour
570 if ($pcno == 39) { # incoming disconnect
575 if ($pcno == 41) { # user info
576 # add this station to the user database, if required
577 my $user = DXUser->get_current($field[1]);
579 # then try without an SSID
580 $field[1] =~ s/-\d+$//o;
581 $user = DXUser->get_current($field[1]);
583 $user = DXUser->new($field[1]) if !$user;
585 if ($field[2] == 1) {
586 $user->name($field[3]);
587 } elsif ($field[2] == 2) {
588 $user->qth($field[3]);
589 } elsif ($field[2] == 3) {
590 my ($lat, $long) = DXBearing::stoll($field[3]);
593 } elsif ($field[2] == 4) {
594 $user->homenode($field[3]);
618 if ($pcno == 50) { # keep alive/user list
619 my $ref = DXCluster->get_exact($field[1]);
620 $ref->update_users($field[2]) if $ref;
624 if ($pcno == 51) { # incoming ping requests/answers
627 if ($field[1] eq $main::mycall) {
628 my $flag = $field[3];
630 $self->send(pc51($field[2], $field[1], '0'));
632 # it's a reply, look in the ping list for this one
633 my $ref = $pings{$field[2]};
636 my $dxchan = DXChannel->get($r->{call});
637 $dxchan->send($dxchan->msg('pingi', $field[2], atime($main::systime), $main::systime - $r->{t})) if $dxchan;
642 # route down an appropriate thingy
643 route($field[1], $line);
649 # if get here then rebroadcast the thing with its Hop count decremented (if
650 # there is one). If it has a hop count and it decrements to zero then don't
653 # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
657 if (!$self->{isolate}) {
658 broadcast_ak1a($line, $self); # send it to everyone but me
663 # This is called from inside the main cluster processing loop and is used
664 # for despatching commands that are doing some long processing job
669 my @dxchan = DXChannel->get_all();
672 foreach $dxchan (@dxchan) {
673 next unless $dxchan->is_ak1a();
674 next if $dxchan == $me;
676 # send a pc50 out on this channel
677 if ($t >= $dxchan->pc50_t + $DXProt::pc50_interval) {
678 $dxchan->send(pc50());
686 if ($main::systime - 3600 > $last_hour) {
687 $cutoff = $main::systime - $pc11_dup_age;
688 while (($key, $val) = each %spotdup) {
689 delete $spotdup{$key} if $val < $cutoff;
691 $cutoff = $main::systime - $pc23_dup_age;
692 while (($key, $val) = each %wwvdup) {
693 delete $wwvdup{$key} if $val < $cutoff;
695 $cutoff = $main::systime - $pc12_dup_age;
696 while (($key, $val) = each %anndup) {
697 delete $anndup{$key} if $val < $cutoff;
699 $last_hour = $main::systime;
704 # finish up a pc context
709 my $call = $self->call;
710 my $ref = DXCluster->get_exact($call);
712 # unbusy and stop and outgoing mail
713 my $mref = DXMsg::get_busy($call);
714 $mref->stop_msg($self) if $mref;
716 # broadcast to all other nodes that all the nodes connected to via me are gone
717 my @gonenodes = map { $_->dxchan == $self ? $_ : () } DXNode::get_all();
720 foreach $node (@gonenodes) {
721 next if $node->call eq $call;
722 broadcast_ak1a(pc21($node->call, 'Gone') , $self) unless $self->{isolate};
726 # remove outstanding pings
727 delete $pings{$call};
729 # now broadcast to all other ak1a nodes that I have gone
730 broadcast_ak1a(pc21($call, 'Gone.'), $self);
732 Log('DXProt', $call . " Disconnected");
737 # some active measures
743 my @dxchan = DXChannel->get_all();
746 # send it if it isn't the except list and isn't isolated and still has a hop count
747 # taking into account filtering and so on
748 foreach $dxchan (@dxchan) {
750 my ($filter, $hops) = Filter::it($dxchan->{spotfilter}, @_, $self->{call} ) if $dxchan->{spotfilter};
751 if ($dxchan->is_ak1a) {
752 next if $dxchan == $self;
755 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
757 $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
758 next unless $routeit;
761 $dxchan->send($routeit) if $routeit;
763 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
766 } elsif ($dxchan->is_user && $dxchan->{dx}) {
767 my $buf = Spot::formatb($_[0], $_[1], $_[2], $_[3], $_[4]);
768 $buf .= "\a\a" if $dxchan->{beep};
769 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
770 $dxchan->send($buf) if !$hops || ($hops && $filter);
772 $dxchan->delay($buf) if !$hops || ($hops && $filter);
778 sub send_local_config
787 if ($self->{isolate}) {
788 @localnodes = (DXCluster->get_exact($main::mycall));
790 # create a list of all the nodes that are not connected to this connection
791 # and are not themselves isolated, this to make sure that isolated nodes
792 # don't appear outside of this node
793 @nodes = DXNode::get_all();
794 @nodes = grep { $_->{call} ne $main::mycall } @nodes;
795 @nodes = grep { $_->dxchan != $self } @nodes if @nodes;
796 @nodes = grep { !$_->dxchan->{isolate} } @nodes if @nodes;
797 @localnodes = grep { $_->dxchan->{call} eq $_->{call} } @nodes if @nodes;
798 unshift @localnodes, DXCluster->get_exact($main::mycall);
799 @remotenodes = grep { $_->dxchan->{call} ne $_->{call} } @nodes if @nodes;
802 my @s = $me->pc19(@localnodes, @remotenodes);
804 my $routeit = adjust_hops($self, $_);
805 $self->send($routeit) if $routeit;
808 # get all the users connected on the above nodes and send them out
809 foreach $n (@localnodes, @remotenodes) {
810 my @users = values %{$n->list};
811 my @s = pc16($n, @users);
813 my $routeit = adjust_hops($self, $_);
814 $self->send($routeit) if $routeit;
820 # route a message down an appropriate interface for a callsign
822 # is called route(to, pcline);
826 my ($call, $line) = @_;
827 my $cl = DXCluster->get_exact($call);
830 my $dxchan = $cl->{dxchan};
832 my $routeit = adjust_hops($dxchan, $line); # adjust its hop count by node name
834 $dxchan->send($routeit) if $dxchan;
840 # broadcast a message to all clusters taking into account isolation
841 # [except those mentioned after buffer]
844 my $s = shift; # the line to be rebroadcast
845 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
846 my @dxchan = get_all_ak1a();
849 # send it if it isn't the except list and isn't isolated and still has a hop count
850 foreach $dxchan (@dxchan) {
851 next if grep $dxchan == $_, @except;
852 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
853 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
857 # broadcast a message to all clusters ignoring isolation
858 # [except those mentioned after buffer]
859 sub broadcast_all_ak1a
861 my $s = shift; # the line to be rebroadcast
862 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
863 my @dxchan = get_all_ak1a();
866 # send it if it isn't the except list and isn't isolated and still has a hop count
867 foreach $dxchan (@dxchan) {
868 next if grep $dxchan == $_, @except;
869 my $routeit = adjust_hops($dxchan, $s); # adjust its hop count by node name
870 $dxchan->send($routeit);
874 # broadcast to all users
875 # storing the spot or whatever until it is in a state to receive it
878 my $s = shift; # the line to be rebroadcast
879 my $sort = shift; # the type of transmission
880 my $fref = shift; # a reference to an object to filter on
881 my @except = @_; # to all channels EXCEPT these (dxchannel refs)
882 my @dxchan = get_all_users();
886 foreach $dxchan (@dxchan) {
887 next if grep $dxchan == $_, @except;
890 broadcast_list($s, $sort, $fref, @out);
893 # broadcast to a list of users
901 foreach $dxchan (@_) {
905 next unless $dxchan->{dx};
906 ($filter) = Filter::it($dxchan->{spotfilter}, @{$fref}) if ref $fref;
909 next if $sort eq 'ann' && !$dxchan->{ann};
910 next if $sort eq 'wwv' && !$dxchan->{wwv};
911 next if $sort eq 'wx' && !$dxchan->{wx};
913 $s =~ s/\a//og unless $dxchan->{beep};
915 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'convers') {
924 # gimme all the ak1a nodes
928 my @list = DXChannel->get_all();
931 foreach $ref (@list) {
932 push @out, $ref if $ref->is_ak1a;
937 # return a list of all users
940 my @list = DXChannel->get_all();
943 foreach $ref (@list) {
944 push @out, $ref if $ref->is_user;
949 # return a list of all user callsigns
950 sub get_all_user_calls
952 my @list = DXChannel->get_all();
955 foreach $ref (@list) {
956 push @out, $ref->call if $ref->is_user;
962 # obtain the hops from the list for this callsign and pc no
968 my $hops = $DXProt::hopcount{$pcno};
969 $hops = $DXProt::def_hopcount if !$hops;
974 # adjust the hop count on a per node basis using the user loadable
975 # hop table if available or else decrement an existing one
982 my $call = $self->{call};
985 if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
986 my ($pcno) = $s =~ /^PC(\d\d)/o;
987 confess "$call called adjust_hops with '$s'" unless $pcno;
988 my $ref = $nodehops{$call} if %nodehops;
990 my $newhops = $ref->{$pcno};
991 return "" if defined $newhops && $newhops == 0;
992 $newhops = $ref->{default} unless $newhops;
993 return "" if defined $newhops && $newhops == 0;
994 $newhops = $hops if !$newhops;
995 $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
997 # simply decrement it
1000 $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1012 return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1013 do "$main::data/hop_table.pl";
1018 # remove leading and trailing spaces from an input string
1022 $s =~ s/^\s+|\s+$//;
1026 # add a ping request to the ping queues
1029 my ($from, $to) = @_;
1030 my $ref = $pings{$to};
1031 $ref = $pings{$to} = [] if !$ref;
1034 $r->{t} = $main::systime;
1035 route($to, pc51($to, $main::mycall, 1));
1039 # add a rcmd request to the rcmd queues
1042 my ($from, $to, $cmd) = @_;
1045 $r->{t} = $main::systime;
1047 route($to, pc34($main::mycall, $to, $cmd));