1. first cut with new routing code. Created NEW_ROUTE branch
[spider.git] / perl / DXProt.pm
1 #!/usr/bin/perl
2 #
3 # This module impliments the protocal mode for a dx cluster
4 #
5 # Copyright (c) 1998 Dirk Koopman G1TLH
6 #
7 # $Id$
8
9
10 package DXProt;
11
12 @ISA = qw(DXChannel);
13
14 use DXUtil;
15 use DXChannel;
16 use DXUser;
17 use DXM;
18 use DXProtVars;
19 use DXCommandmode;
20 use DXLog;
21 use Spot;
22 use DXProtout;
23 use DXDebug;
24 use Filter;
25 use Local;
26 use DXDb;
27 use AnnTalk;
28 use Geomag;
29 use WCY;
30 use Time::HiRes qw(gettimeofday tv_interval);
31 use BadWords;
32 use DXHash;
33 use Route;
34 use Route::Node;
35
36 use strict;
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);
41
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
45
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";
55
56 @checklist = 
57 (
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
61  [ qw(c h) ],                                   # 
62  [ qw(c h) ],                                   # 
63  [ qw(c m h) ],                                 # 
64  undef ,                                                # pc16 has to be validated manually
65  [ qw(c c h) ],                                 # pc17
66  [ qw(m n) ],                                   # pc18
67  undef ,                                                # pc19 has to be validated manually
68  undef ,                                                # pc20 no validation
69  [ qw(c m h) ],                                 # pc21
70  undef ,                                                # pc22 no validation
71  [ qw(d n n n n m c c h) ],             # pc23
72  [ qw(c p h) ],                                 # pc24
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
78  [ qw(c c n) ],                                 # pc30
79  [ qw(c c n) ],                                 # pc31
80  [ qw(c c n) ],                                 # pc32
81  [ qw(c c n) ],                                 # pc33
82  [ qw(c c m) ],                                 # pc34
83  [ qw(c c m) ],                                 # pc35
84  [ qw(c c m) ],                                 # pc36
85  [ qw(c c n m) ],                               # pc37
86  undef,                                                 # pc38 not interested
87  [ qw(c m) ],                                   # pc39
88  [ qw(c c m p n) ],                             # pc40
89  [ qw(c n m h) ],                               # pc41
90  [ qw(c c n) ],                                 # pc42
91  undef,                                                 # pc43 don't handle it
92  [ qw(c c n m m c) ],                   # pc44
93  [ qw(c c n m) ],                               # pc45
94  [ qw(c c n) ],                                 # pc46
95  undef,                                                 # pc47
96  undef,                                                 # pc48
97  [ qw(c m h) ],                                 # pc49
98  [ qw(c n h) ],                                 # pc50
99  [ qw(c c n) ],                                 # pc51
100  undef,
101  undef,
102  undef,
103  undef,
104  undef,
105  undef,
106  undef,
107  undef,
108  undef,                                                 # pc60
109  undef,
110  undef,
111  undef,
112  undef,
113  undef,
114  undef,
115  undef,
116  undef,
117  undef,
118  undef,                                                 # pc70
119  undef,
120  undef,
121  [ qw(d n n n n n n m m m c c h) ],     # pc73
122  undef,
123  undef,
124  undef,
125  undef,
126  undef,
127  undef,
128  undef,                                                 # pc80
129  undef,
130  undef,
131  undef,
132  [ qw(c c c m) ],                               # pc84
133  [ qw(c c c m) ],                               # pc85
134 );
135
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)
138 sub check
139 {
140         my $n = shift;
141         $n -= 10;
142         return 0 if $n < 0 || $n > @checklist; 
143         my $ref = $checklist[$n];
144         return 0 unless ref $ref;
145         
146         my $i;
147         shift;    # not interested in the first field
148         for ($i = 0; $i < @$ref; $i++) {
149                 my ($blank, $act) = $$ref[$i] =~ /^(b?)(\w)$/;
150                 return 0 unless $act;
151                 next if $blank && $_[$i] =~ /^[ \*]$/;
152                 if ($act eq 'c') {
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$/;
168                 }
169         }
170         return 0;
171 }
172
173 sub init
174 {
175         my $user = DXUser->get($main::mycall);
176         $DXProt::myprot_version += $main::version*100;
177         $me = DXProt->new($main::mycall, 0, $user); 
178         $me->{here} = 1;
179         $me->{state} = "indifferent";
180         do "$main::data/hop_table.pl" if -e "$main::data/hop_table.pl";
181         confess $@ if $@;
182         $me->{sort} = 'S';    # S for spider
183         $me->{priv} = 9;
184 #       $Route::Node::me->adddxchan($me);
185 }
186
187 #
188 # obtain a new connection this is derived from dxchannel
189 #
190
191 sub new 
192 {
193         my $self = DXChannel::alloc(@_);
194         return $self;
195 }
196
197 # this is how a pc connection starts (for an incoming connection)
198 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
199 # all the crap that comes between).
200 sub start
201 {
202         my ($self, $line, $sort) = @_;
203         my $call = $self->{call};
204         my $user = $self->{user};
205         
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
213         $self->{here} = 1;
214
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) ;
220         $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) ;
221
222
223         # get the INPUT filters (these only pertain to Clusters)
224         $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
225         $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
226         $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
227         $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
228         $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1);
229         
230         # set unbuffered and no echo
231         $self->send_now('B',"0");
232         $self->send_now('E',"0");
233         
234         # ping neighbour node stuff
235         my $ping = $user->pingint;
236         $ping = 5*60 unless defined $ping;
237         $self->{pingint} = $ping;
238         $self->{nopings} = $user->nopings || 2;
239         $self->{pingtime} = [ ];
240         $self->{pingave} = 0;
241
242         # send initialisation string
243         unless ($self->{outbound}) {
244                 $self->send(pc18());
245                 $self->{lastping} = $main::systime;
246         } else {
247                 $self->{lastping} = $main::systime + ($self->pingint / 2);
248         }
249         $self->state('init');
250         $self->{pc50_t} = $main::systime;
251
252         # send info to all logged in thingies
253         $self->tell_login('loginn');
254
255         # add this node to the table, the values get filled in later
256         $main::routeroot->add($call);
257
258         Log('DXProt', "$call connected");
259 }
260
261 #
262 # This is the normal pcxx despatcher
263 #
264 sub normal
265 {
266         my ($self, $line) = @_;
267         my @field = split /\^/, $line;
268         return unless @field;
269         
270         pop @field if $field[-1] eq '~';
271         
272 #       print join(',', @field), "\n";
273                                                 
274         # ignore any lines that don't start with PC
275         return if !$field[0] =~ /^PC/;
276         
277         # process PC frames
278         my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
279         return unless $pcno;
280         return if $pcno < 10 || $pcno > 99;
281
282         # check for and dump bad protocol messages
283         my $n = check($pcno, @field);
284         if ($n) {
285                 dbg('chan', "PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")");
286                 return;
287         }
288
289         # local processing 1
290         my $pcr;
291         eval {
292                 $pcr = Local::pcprot($self, $pcno, @field);
293         };
294 #       dbg('local', "Local::pcprot error $@") if $@;
295         return if $pcr;
296         
297  SWITCH: {
298                 if ($pcno == 10) {              # incoming talk
299
300                         # will we allow it at all?
301                         if ($censorpc) {
302                                 my @bad;
303                                 if (@bad = BadWords::check($field[3])) {
304                                         dbg('chan', "PCPROT: Bad words: @bad, dropped" );
305                                         return;
306                                 }
307                         }
308
309                         # is it for me or one of mine?
310                         my ($to, $via, $call, $dxchan);
311                         if ($field[5] gt ' ') {
312                                 $call = $via = $field[2];
313                                 $to = $field[5];
314                         } else {
315                                 $call = $to = $field[2];
316                         }
317                         $dxchan = DXChannel->get($call);
318                         if ($dxchan && $dxchan->is_user) {
319                                 $field[3] =~ s/\%5E/^/g;
320                                 $dxchan->talk($field[1], $to, $via, $field[3]);
321                         } else {
322                                 $self->route($field[2], $line); # relay it on its way
323                         }
324                         return;
325                 }
326                 
327                 if ($pcno == 11 || $pcno == 26) { # dx spot
328
329                         # route 'foreign' pc26s 
330                         if ($pcno == 26) {
331                                 if ($field[7] ne $main::mycall) {
332                                         $self->route($field[7], $line);
333                                         return;
334                                 }
335                         }
336                         
337                         # if this is a 'nodx' node then ignore it
338                         if ($badnode->in($field[7])) {
339                                 dbg('chan', "PCPROT: Bad Node, dropped");
340                                 return;
341                         }
342                         
343                         # if this is a 'bad spotter' user then ignore it
344                         if ($badspotter->in($field[6])) {
345                                 dbg('chan', "PCPROT: Bad Spotter, dropped");
346                                 return;
347                         }
348                         
349                         # convert the date to a unix date
350                         my $d = cltounix($field[3], $field[4]);
351                         # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
352                         if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
353                                 dbg('chan', "PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
354                                 return;
355                         }
356
357                         # is it 'baddx'
358                         if ($baddx->in($field[2])) {
359                                 dbg('chan', "PCPROT: Bad DX spot, ignored");
360                                 return;
361                         }
362                         
363                         # do some de-duping
364                         $field[5] =~ s/^\s+//;      # take any leading blanks off
365                         $field[2] = unpad($field[2]);   # take off leading and trailing blanks from spotted callsign
366                         if ($field[2] =~ /BUST\w*$/) {
367                                 dbg('chan', "PCPROT: useless 'BUSTED' spot");
368                                 return;
369                         }
370                         if (Spot::dup($field[1], $field[2], $d, $field[5])) {
371                                 dbg('chan', "PCPROT: Duplicate Spot ignored\n");
372                                 return;
373                         }
374                         if ($censorpc) {
375                                 my @bad;
376                                 if (@bad = BadWords::check($field[5])) {
377                                         dbg('chan', "PCPROT: Bad words: @bad, dropped" );
378                                         return;
379                                 }
380                         }
381
382                         my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
383                         # global spot filtering on INPUT
384                         if ($self->{inspotsfilter}) {
385                                 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
386                                 unless ($filter) {
387                                         dbg('chan', "PCPROT: Rejected by filter");
388                                         return;
389                                 }
390                         }
391                         
392                         # add it 
393                         Spot::add(@spot);
394
395             #
396                         # @spot at this point contains:-
397             # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
398                         # then  spotted itu, spotted cq, spotters itu, spotters cq
399                         # you should be able to route on any of these
400             #
401                         
402                         # fix up qra locators of known users 
403                         my $user = DXUser->get_current($spot[4]);
404                         if ($user) {
405                                 my $qra = $user->qra;
406                                 unless ($qra && DXBearing::is_qra($qra)) {
407                                         my $lat = $user->lat;
408                                         my $long = $user->long;
409                                         if (defined $lat && defined $long) {
410                                                 $user->qra(DXBearing::lltoqra($lat, $long)); 
411                                                 $user->put;
412                                         }
413                                 }
414
415                                 # send a remote command to a distant cluster if it is visible and there is no
416                                 # qra locator and we havn't done it for a month.
417
418                                 unless ($user->qra) {
419                                         my $node;
420                                         my $to = $user->homenode;
421                                         my $last = $user->lastoper || 0;
422                                         if ($send_opernam && $main::systime > $last + $DXUser::lastoperinterval && $to && ($node = Route::Node::get($to)) ) {
423                                                 my $cmd = "forward/opernam $spot[4]";
424                                                 # send the rcmd but we aren't interested in the replies...
425                                                 my $dxchan = $node->dxchan;
426                                                 if ($dxchan && $dxchan->is_clx) {
427                                                         route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
428                                                 } else {
429                                                         route(undef, $to, pc34($main::mycall, $to, $cmd));
430                                                 }
431                                                 if ($to ne $field[7]) {
432                                                         $to = $field[7];
433                                                         $node = Route::Node::get($to);
434                                                         $dxchan = $node->dxchan;
435                                                         if ($node->dxchan && $dxchan->is_clx) {
436                                                                 route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
437                                                         } else {
438                                                                 route(undef, $to, pc34($main::mycall, $to, $cmd));
439                                                         }
440                                                 }
441                                                 $user->lastoper($main::systime);
442                                                 $user->put;
443                                         }
444                                 }
445                         }
446                                 
447                         # local processing 
448                         my $r;
449                         eval {
450                                 $r = Local::spot($self, @spot);
451                         };
452 #                       dbg('local', "Local::spot1 error $@") if $@;
453                         return if $r;
454
455                         # DON'T be silly and send on PC26s!
456                         return if $pcno == 26;
457
458                         # send out the filtered spots
459                         send_dx_spot($self, $line, @spot) if @spot;
460                         return;
461                 }
462                 
463                 if ($pcno == 12) {              # announces
464                         # announce duplicate checking
465                         $field[3] =~ s/^\s+//;  # remove leading blanks
466                         if (AnnTalk::dup($field[1], $field[2], $field[3])) {
467                                 dbg('chan', "PCPROT: Duplicate Announce ignored");
468                                 return;
469                         }
470
471                         if ($censorpc) {
472                                 my @bad;
473                                 if (@bad = BadWords::check($field[3])) {
474                                         dbg('chan', "PCPROT: Bad words: @bad, dropped" );
475                                         return;
476                                 }
477                         }
478                         
479                         if ($field[2] eq '*' || $field[2] eq $main::mycall) {
480                                 
481                                 # global ann filtering on INPUT
482                                 if ($self->{inannfilter}) {
483                                         my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
484                                         my @dxcc = Prefix::extract($field[1]);
485                                         if (@dxcc > 0) {
486                                                 $ann_dxcc = $dxcc[1]->dxcc;
487                                                 $ann_itu = $dxcc[1]->itu;
488                                                 $ann_cq = $dxcc[1]->cq();                                               
489                                         }
490                                         @dxcc = Prefix::extract($field[5]);
491                                         if (@dxcc > 0) {
492                                                 $org_dxcc = $dxcc[1]->dxcc;
493                                                 $org_itu = $dxcc[1]->itu;
494                                                 $org_cq = $dxcc[1]->cq();                                               
495                                         }
496                                         my ($filter, $hops) = $self->{inannfilter}->it(@field[1..6], $self->{call}, 
497                                                                                                         $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
498                                         unless ($filter) {
499                                                 dbg('chan', "PCPROT: Rejected by filter");
500                                                 return;
501                                         }
502                                 }
503
504                                 # send it
505                                 $self->send_announce($line, @field[1..6]);
506                         } else {
507                                 $self->route($field[2], $line);
508                         }
509                         
510                         return;
511                 }
512                 
513                 if ($pcno == 13) {
514                         last SWITCH;
515                 }
516                 if ($pcno == 14) {
517                         last SWITCH;
518                 }
519                 if ($pcno == 15) {
520                         last SWITCH;
521                 }
522                 
523                 if ($pcno == 16) {              # add a user
524
525                         # general checks
526                         my $dxchan;
527                         my $newline = "PC16^";
528                         
529                         if ($field[1] eq $main::mycall || $field[2] eq $main::mycall) {
530                                 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
531                                 return;
532                         }
533                         if ($field[2] eq $main::myalias && DXChannel->get($field[1])) {
534                                 dbg('chan', "PCPROT: trying to connect sysop from outside!");
535                                 return;
536                         }
537                         if (($dxchan = DXChannel->get($field[1])) && $dxchan != $self) {
538                                 dbg('chan', "PCPROT: $field[1] connected locally");
539                                 return;
540                         }
541
542                         my $node = Route::Node::get($field[1]); 
543                         unless ($node) {
544                                 dbg('chan', "PCPROT: Node $field[1] not in config");
545                                 return;
546                         }
547                         my $i;
548                         my @rout;
549                         for ($i = 2; $i < $#field; $i++) {
550                                 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
551                                 next unless $call && $conf && defined $here && is_callsign($call);
552                                 $conf = $conf eq '*';
553
554                                 push @rout, $node->add_user($call, Route::here($here)|Route::conf($conf));
555                                 
556                                 # add this station to the user database, if required
557                                 $call =~ s/-\d+$//o;        # remove ssid for users
558                                 my $user = DXUser->get_current($call);
559                                 $user = DXUser->new($call) if !$user;
560                                 $user->homenode($node->call) if !$user->homenode;
561                                 $user->node($node->call);
562                                 $user->lastin($main::systime) unless DXChannel->get($call);
563                                 $user->put;
564                         }
565
566                         
567                         # queue up any messages (look for privates only)
568                         DXMsg::queue_msg(1) if $self->state eq 'normal';     
569
570                         dbg('route', "B/C PC16 on $field[1] for: " . join(',', map{$_->call} @rout)) if @rout;
571                         $self->route_pc16($node, @rout) if @rout;
572                         return;
573                 }
574                 
575                 if ($pcno == 17) {              # remove a user
576                         my $dxchan;
577                         if ($field[1] eq $main::mycall || $field[2] eq $main::mycall) {
578                                 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
579                                 return;
580                         }
581                         if ($field[1] eq $main::myalias && DXChannel->get($field[1])) {
582                                 dbg('chan', "PCPROT: trying to disconnect sysop from outside!");
583                                 return;
584                         }
585                         if ($dxchan = DXChannel->get($field[1])) {
586                                 dbg('chan', "PCPROT: $field[1] connected locally");
587                                 return;
588                         }
589
590                         my $node = Route::Node::get($field[2]);
591                         unless ($node) {
592                                 dbg('chan', "PCPROT: Route::Node $field[2] not in config");
593                                 return;
594                         }
595                         my @rout = $node->del_user($field[1]);
596                         dbg('route', "B/C PC17 on $field[2] for: $field[1]");
597                         $self->route_pc17($node, @rout) if @rout;
598                         return;
599                 }
600                 
601                 if ($pcno == 18) {              # link request
602                         $self->state('init');   
603
604                         # first clear out any nodes on this dxchannel
605                         my $node = Route::Node::get($self->{call});
606                         my @rout;
607                         for ($node->nodes) {
608                                 push @rout, $_->del_node;
609                         }
610                         $self->route_pc21(@rout, $node);
611                         $self->send_local_config();
612                         $self->send(pc20());
613                         return;             # we don't pass these on
614                 }
615                 
616                 if ($pcno == 19) {              # incoming cluster list
617                         my $i;
618                         my $newline = "PC19^";
619
620                         # new routing list
621                         my @rout;
622                         my $node = Route::Node::get($self->{call});
623
624                         # parse the PC19
625                         for ($i = 1; $i < $#field-1; $i += 4) {
626                                 my $here = $field[$i];
627                                 my $call = uc $field[$i+1];
628                                 my $conf = $field[$i+2];
629                                 my $ver = $field[$i+3];
630                                 next unless defined $here && defined $conf && is_callsign($call);
631                                 # check for sane parameters
632                                 $ver = 5000 if $ver eq '0000';
633                                 next if $ver < 5000; # only works with version 5 software
634                                 next if length $call < 3; # min 3 letter callsigns
635
636                                 # update it if required
637                                 if ($node->call eq $call && !$node->version) {
638                                         $node->version($ver);
639                                         $node->flags(Route::here($here)|Route::conf($conf));
640                                         push @rout, $node;
641                                 } elsif ($node->call ne $call) {
642                                         my $r = $node->add($call, $ver, Route::here($here)|Route::conf($conf));
643                                         push @rout, $r if $r;
644                                 }
645
646                                 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
647                                 my $mref = DXMsg::get_busy($call);
648                                 $mref->stop_msg($call) if $mref;
649                                 
650                                 # add this station to the user database, if required (don't remove SSID from nodes)
651                                 my $user = DXUser->get_current($call);
652                                 if (!$user) {
653                                         $user = DXUser->new($call);
654                                         $user->sort('A');
655                                         $user->priv(1);                   # I have relented and defaulted nodes
656                                         $self->{priv} = 1;                # to user RCMDs allowed
657                                         $user->homenode($call);
658                                         $user->node($call);
659                                 }
660                                 $user->lastin($main::systime) unless DXChannel->get($call);
661                                 $user->put;
662                         }
663
664                         dbg('route', "B/C PC19 for: " . join(',', map{$_->call} @rout)) if @rout;
665                         
666                         $self->route_pc19(@rout) if @rout;
667                         return;
668                 }
669                 
670                 if ($pcno == 20) {              # send local configuration
671                         $self->send_local_config();
672                         $self->send(pc22());
673                         $self->state('normal');
674                         return;
675                 }
676                 
677                 if ($pcno == 21) {              # delete a cluster from the list
678                         my $call = uc $field[1];
679                         my @rout;
680                         my $node = Route::Node::get($call);
681                         
682                         if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
683                                 if ($call eq $self->{call}) {
684                                         dbg('chan', "PCPROT: Trying to disconnect myself with PC21");
685                                         return;
686                                 }
687
688                                 # routing objects
689                                 if ($node) {
690                                         push @rout, $node->del_node($call);
691                                 } else {
692                                         dbg('chan', "PCPROT: Route::Node $call not in config");
693                                 }
694                         } else {
695                                 dbg('chan', "PCPROT: I WILL _NOT_ be disconnected!");
696                                 return;
697                         }
698                         dbg('route', "B/C PC21 for: " . join(',', (map{$_->call} @rout))) if @rout;
699                         
700                         $self->route_pc21(@rout) if @rout;
701                         return;
702                 }
703                 
704                 if ($pcno == 22) {
705                         $self->state('normal');
706                         return;
707                 }
708                                 
709                 if ($pcno == 23 || $pcno == 27) { # WWV info
710                         
711                         # route 'foreign' pc27s 
712                         if ($pcno == 27) {
713                                 if ($field[8] ne $main::mycall) {
714                                         $self->route($field[8], $line);
715                                         return;
716                                 }
717                         }
718
719                         # do some de-duping
720                         my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
721                         my $sfi = unpad($field[3]);
722                         my $k = unpad($field[4]);
723                         my $i = unpad($field[5]);
724                         my ($r) = $field[6] =~ /R=(\d+)/;
725                         $r = 0 unless $r;
726                         if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
727                                 dbg('chan', "PCPROT: WWV Date ($field[1] $field[2]) out of range");
728                                 return;
729                         }
730                         if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
731                                 dbg('chan', "PCPROT: Dup WWV Spot ignored\n");
732                                 return;
733                         }
734                         $field[7] =~ s/-\d+$//o;            # remove spotter's ssid
735                 
736                         my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
737
738                         my $rep;
739                         eval {
740                                 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
741                         };
742 #                       dbg('local', "Local::wwv2 error $@") if $@;
743                         return if $rep;
744
745                         # DON'T be silly and send on PC27s!
746                         return if $pcno == 27;
747
748                         # broadcast to the eager world
749                         send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
750                         return;
751                 }
752                 
753                 if ($pcno == 24) {              # set here status
754                         my $call = uc $field[1];
755                         my $ref = Route::Node::get($call);
756                         $ref->here($field[2]) if $ref;
757                         $ref = Route::User::get($call);
758                         $ref->here($field[2]) if $ref;
759                         last SWITCH;
760                 }
761                 
762                 if ($pcno == 25) {      # merge request
763                         if ($field[1] ne $main::mycall) {
764                                 $self->route($field[1], $line);
765                                 return;
766                         }
767                         if ($field[2] eq $main::mycall) {
768                                 dbg('chan', "PCPROT: Trying to merge to myself, ignored");
769                                 return;
770                         }
771
772                         Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
773                         
774                         # spots
775                         if ($field[3] > 0) {
776                                 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
777                                 my $in;
778                                 foreach $in (@in) {
779                                         $self->send(pc26(@{$in}[0..4], $field[2]));
780                                 }
781                         }
782
783                         # wwv
784                         if ($field[4] > 0) {
785                                 my @in = reverse Geomag::search(0, $field[4], time, 1);
786                                 my $in;
787                                 foreach $in (@in) {
788                                         $self->send(pc27(@{$in}[0..5], $field[2]));
789                                 }
790                         }
791                         return;
792                 }
793
794                 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
795                         if ($pcno == 49 || $field[1] eq $main::mycall) {
796                                 DXMsg::process($self, $line);
797                         } else {
798                                 $self->route($field[1], $line) unless $self->is_clx;
799                         }
800                         return;
801                 }
802                 
803                 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
804                         if ($field[1] eq $main::mycall) {
805                                 my $ref = DXUser->get_current($field[2]);
806                                 my $cref = Route::Node::get($field[2]);
807                                 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
808                                 unless (!$cref || !$ref || $cref->call ne $ref->homenode) {    # not allowed to relay RCMDS!
809                                         if ($ref->{priv}) {     # you have to have SOME privilege, the commands have further filtering
810                                                 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
811                                                 my $oldpriv = $self->{priv};
812                                                 $self->{priv} = $ref->{priv};     # assume the user's privilege level
813                                                 my @in = (DXCommandmode::run_cmd($self, $field[3]));
814                                                 $self->{priv} = $oldpriv;
815                                                 for (@in) {
816                                                         s/\s*$//og;
817                                                         $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
818                                                         Log('rcmd', 'out', $field[2], $_);
819                                                 }
820                                                 delete $self->{remotecmd};
821                                         } else {
822                                                 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
823                                         }
824                                 } else {
825                                         $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
826                                 }
827                         } else {
828                                 my $ref = DXUser->get_current($field[1]);
829                                 if ($ref && $ref->is_clx) {
830                                         $self->route($field[1], pc84($field[2], $field[1], $field[2], $field[3]));
831                                 } else {
832                                         $self->route($field[1], $line);
833                                 }
834                         }
835                         return;
836                 }
837                 
838                 if ($pcno == 35) {              # remote command replies
839                         if ($field[1] eq $main::mycall) {
840                                 my $s = $rcmds{$field[2]};
841                                 if ($s) {
842                                         my $dxchan = DXChannel->get($s->{call});
843                                         $dxchan->send($field[3]) if $dxchan;
844                                         delete $rcmds{$field[2]} if !$dxchan;
845                                 } else {
846                                         # send unsolicited ones to the sysop
847                                         my $dxchan = DXChannel->get($main::myalias);
848                                         $dxchan->send($field[3]) if $dxchan;
849                                 }
850                         } else {
851                                 my $ref = DXUser->get_current($field[1]);
852                                 if ($ref && $ref->is_clx) {
853                                         $self->route($field[1], pc85($field[2], $field[1], $field[2], $field[3]));
854                                 } else {
855                                         $self->route($field[1], $line);
856                                 }
857                         }
858                         return;
859                 }
860                 
861                 # for pc 37 see 44 onwards
862
863                 if ($pcno == 38) {              # node connected list from neighbour
864                         return;
865                 }
866                 
867                 if ($pcno == 39) {              # incoming disconnect
868                         if ($field[1] eq $self->{call}) {
869                                 $self->disconnect(1);
870                         } else {
871                                 dbg('chan', "PCPROT: came in on wrong channel");
872                         }
873                         return;
874                 }
875                 
876                 if ($pcno == 41) {              # user info
877                         # add this station to the user database, if required
878                         my $user = DXUser->get_current($field[1]);
879                         $user = DXUser->new($field[1]) if !$user;
880                         
881                         if ($field[2] == 1) {
882                                 $user->name($field[3]);
883                         } elsif ($field[2] == 2) {
884                                 $user->qth($field[3]);
885                         } elsif ($field[2] == 3) {
886                                 my ($lat, $long) = DXBearing::stoll($field[3]);
887                                 $user->lat($lat);
888                                 $user->long($long);
889                                 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra && DXBearing::is_qra($user->qra);
890                         } elsif ($field[2] == 4) {
891                                 $user->homenode($field[3]);
892                         }
893                         $user->lastoper($main::systime);   # to cut down on excessive for/opers being generated
894                         $user->put;
895                         last SWITCH;
896                 }
897                 if ($pcno == 43) {
898                         last SWITCH;
899                 }
900                 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
901                         DXDb::process($self, $line);
902                         return;
903                 }
904                 
905                 if ($pcno == 50) {              # keep alive/user list
906                         my $node = Route::Node::get($field[1]);
907                         if ($node) {
908                                 return unless $node->call eq $self->{call};
909                                 $node->usercount($field[2]);
910                         }
911                         last SWITCH;
912                 }
913                 
914                 if ($pcno == 51) {              # incoming ping requests/answers
915                         
916                         # is it for us?
917                         if ($field[1] eq $main::mycall) {
918                                 my $flag = $field[3];
919                                 if ($flag == 1) {
920                                         $self->send(pc51($field[2], $field[1], '0'));
921                                 } else {
922                                         # it's a reply, look in the ping list for this one
923                                         my $ref = $pings{$field[2]};
924                                         if ($ref) {
925                                                 my $tochan =  DXChannel->get($field[2]);
926                                                 while (@$ref) {
927                                                         my $r = shift @$ref;
928                                                         my $dxchan = DXChannel->get($r->{call});
929                                                         next unless $dxchan;
930                                                         my $t = tv_interval($r->{t}, [ gettimeofday ]);
931                                                         if ($dxchan->is_user) {
932                                                                 my $s = sprintf "%.2f", $t; 
933                                                                 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
934                                                                 $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
935                                                         } elsif ($dxchan->is_node) {
936                                                                 if ($tochan) {
937                                                                         $tochan->{nopings} = $tochan->user->nopings || 2; # pump up the timer
938                                                                         push @{$tochan->{pingtime}}, $t;
939                                                                         shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
940                                                                         my $st;
941                                                                         for (@{$tochan->{pingtime}}) {
942                                                                                 $st += $_;
943                                                                         }
944                                                                         $tochan->{pingave} = $st / @{$tochan->{pingtime}};
945                                                                 }
946                                                         } 
947                                                 }
948                                         }
949                                 }
950                         } else {
951                                 # route down an appropriate thingy
952                                 $self->route($field[1], $line);
953                         }
954                         return;
955                 }
956
957                 if ($pcno == 75) {              # dunno but route it
958                         if ($field[1] ne $main::mycall) {
959                                 $self->route($field[1], $line);
960                         }
961                         return;
962                 }
963
964                 if ($pcno == 73) {  # WCY broadcasts
965                         
966                         # do some de-duping
967                         my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
968                         if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
969                                 dbg('chan', "PCPROT: WCY Date ($field[1] $field[2]) out of range");
970                                 return;
971                         }
972                         @field = map { unpad($_) } @field;
973                         if (WCY::dup($d,@field[3..7])) {
974                                 dbg('chan', "PCPROT: Dup WCY Spot ignored\n");
975                                 return;
976                         }
977                 
978                         my $wcy = WCY::update($d, @field[2..12]);
979
980                         my $rep;
981                         eval {
982                                 $rep = Local::wwv($self, @field[1..12]);
983                         };
984                         # dbg('local', "Local::wcy error $@") if $@;
985                         return if $rep;
986
987                         # broadcast to the eager world
988                         send_wcy_spot($self, $line, $d, @field[2..12]);
989                         return;
990                 }
991
992                 if ($pcno == 84) { # remote commands (incoming)
993                         if ($field[1] eq $main::mycall) {
994                                 my $ref = DXUser->get_current($field[2]);
995                                 my $cref = Route::Node::get($field[2]);
996                                 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
997                                 unless ($field[4] =~ /rcmd/i || !$cref || !$ref || $cref->call ne $ref->homenode) {    # not allowed to relay RCMDS!
998                                         if ($ref->{priv}) {     # you have to have SOME privilege, the commands have further filtering
999                                                 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1000                                                 my $oldpriv = $self->{priv};
1001                                                 $self->{priv} = $ref->{priv};     # assume the user's privilege level
1002                                                 my @in = (DXCommandmode::run_cmd($self, $field[4]));
1003                                                 $self->{priv} = $oldpriv;
1004                                                 for (@in) {
1005                                                         s/\s*$//og;
1006                                                         $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:$_"));
1007                                                         Log('rcmd', 'out', $field[2], $_);
1008                                                 }
1009                                                 delete $self->{remotecmd};
1010                                         } else {
1011                                                 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:sorry...!"));
1012                                         }
1013                                 } else {
1014                                         $self->send(pc85($main::mycall, $field[2], $field[3],"$main::mycall:your attempt is logged, Tut tut tut...!"));
1015                                 }
1016                         } else {
1017                                 my $ref = DXUser->get_current($field[1]);
1018                                 if ($ref && $ref->is_clx) {
1019                                         $self->route($field[1], $line);
1020                                 } else {
1021                                         $self->route($field[1], pc34($field[2], $field[1], $field[4]));
1022                                 }
1023                         }
1024                         return;
1025                 }
1026
1027                 if ($pcno == 85) {              # remote command replies
1028                         if ($field[1] eq $main::mycall) {
1029                                 my $dxchan = DXChannel->get($field[3]);
1030                                 if ($dxchan) {
1031                                         $dxchan->send($field[4]);
1032                                 } else {
1033                                         my $s = $rcmds{$field[2]};
1034                                         if ($s) {
1035                                                 $dxchan = DXChannel->get($s->{call});
1036                                                 $dxchan->send($field[4]) if $dxchan;
1037                                                 delete $rcmds{$field[2]} if !$dxchan;
1038                                         } else {
1039                                                 # send unsolicited ones to the sysop
1040                                                 my $dxchan = DXChannel->get($main::myalias);
1041                                                 $dxchan->send($field[4]) if $dxchan;
1042                                         }
1043                                 }
1044                         } else {
1045                                 my $ref = DXUser->get_current($field[1]);
1046                                 if ($ref && $ref->is_clx) {
1047                                         $self->route($field[1], $line);
1048                                 } else {
1049                                         $self->route($field[1], pc35($field[2], $field[1], $field[4]));
1050                                 }
1051                         }
1052                         return;
1053                 }
1054         }
1055          
1056         # if get here then rebroadcast the thing with its Hop count decremented (if
1057         # there is one). If it has a hop count and it decrements to zero then don't
1058         # rebroadcast it.
1059         #
1060         # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1061         #        REBROADCAST!!!!
1062         #
1063          
1064         unless ($self->{isolate}) {
1065                 broadcast_ak1a($line, $self); # send it to everyone but me
1066         }
1067 }
1068
1069 #
1070 # This is called from inside the main cluster processing loop and is used
1071 # for despatching commands that are doing some long processing job
1072 #
1073 sub process
1074 {
1075         my $t = time;
1076         my @dxchan = DXChannel->get_all();
1077         my $dxchan;
1078         
1079         foreach $dxchan (@dxchan) {
1080                 next unless $dxchan->is_node();
1081                 next if $dxchan == $me;
1082                 
1083                 # send a pc50 out on this channel
1084                 $dxchan->{pc50_t} = $main::systime unless exists $dxchan->{pc50_t};
1085                 if ($t >= $dxchan->{pc50_t} + $DXProt::pc50_interval) {
1086                         $dxchan->send(pc50(scalar DXChannel::get_all_users));
1087                         $dxchan->{pc50_t} = $t;
1088                 } 
1089
1090                 # send a ping out on this channel
1091                 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1092                         if ($dxchan->{nopings} <= 0) {
1093                                 $dxchan->disconnect;
1094                         } else {
1095                                 addping($main::mycall, $dxchan->call);
1096                                 $dxchan->{nopings} -= 1;
1097                                 $dxchan->{lastping} = $t;
1098                         }
1099                 }
1100         }
1101         
1102         my $key;
1103         my $val;
1104         my $cutoff;
1105         if ($main::systime - 3600 > $last_hour) {
1106 #               Spot::process;
1107 #               Geomag::process;
1108 #               AnnTalk::process;
1109                 $last_hour = $main::systime;
1110         }
1111 }
1112
1113 #
1114 # finish up a pc context
1115 #
1116
1117 #
1118 # some active measures
1119 #
1120
1121 sub send_dx_spot
1122 {
1123         my $self = shift;
1124         my $line = shift;
1125         my @dxchan = DXChannel->get_all();
1126         my $dxchan;
1127         
1128         # send it if it isn't the except list and isn't isolated and still has a hop count
1129         # taking into account filtering and so on
1130         foreach $dxchan (@dxchan) {
1131                 next if $dxchan == $me;
1132                 my $routeit;
1133                 my ($filter, $hops);
1134
1135                 if ($dxchan->{spotsfilter}) {
1136                     ($filter, $hops) = $dxchan->{spotsfilter}->it(@_, $self->{call} );
1137                         next unless $filter;
1138                 }
1139                 
1140                 if ($dxchan->is_node) {
1141                         next if $dxchan == $self;
1142                         if ($hops) {
1143                                 $routeit = $line;
1144                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1145                         } else {
1146                                 $routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
1147                                 next unless $routeit;
1148                         }
1149                         if ($filter) {
1150                                 $dxchan->send($routeit) if $routeit;
1151                         } else {
1152                                 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1153                         }
1154                 } elsif ($dxchan->is_user && $dxchan->{dx}) {
1155                         my $buf = Spot::formatb($dxchan->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
1156                         $buf .= "\a\a" if $dxchan->{beep};
1157                         $buf =~ s/\%5E/^/g;
1158                         if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1159                                 $dxchan->send($buf);
1160                         } else {
1161                                 $dxchan->delay($buf);
1162                         }
1163                 }                                       
1164         }
1165 }
1166
1167 sub send_wwv_spot
1168 {
1169         my $self = shift;
1170         my $line = shift;
1171         my @dxchan = DXChannel->get_all();
1172         my $dxchan;
1173         my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1174         my @dxcc = Prefix::extract($_[7]);
1175         if (@dxcc > 0) {
1176                 $wwv_dxcc = $dxcc[1]->dxcc;
1177                 $wwv_itu = $dxcc[1]->itu;
1178                 $wwv_cq = $dxcc[1]->cq;                                         
1179         }
1180         @dxcc = Prefix::extract($_[8]);
1181         if (@dxcc > 0) {
1182                 $org_dxcc = $dxcc[1]->dxcc;
1183                 $org_itu = $dxcc[1]->itu;
1184                 $org_cq = $dxcc[1]->cq;                                         
1185         }
1186         
1187         # send it if it isn't the except list and isn't isolated and still has a hop count
1188         # taking into account filtering and so on
1189         foreach $dxchan (@dxchan) {
1190                 next if $dxchan == $self;
1191                 next if $dxchan == $me;
1192                 my $routeit;
1193                 my ($filter, $hops);
1194
1195                 if ($dxchan->{wwvfilter}) {
1196                         ($filter, $hops) = $dxchan->{wwvfilter}->it(@_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1197                          next unless $filter;
1198                 }
1199                 if ($dxchan->is_node) {
1200                         if ($hops) {
1201                                 $routeit = $line;
1202                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1203                         } else {
1204                                 $routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
1205                                 next unless $routeit;
1206                         }
1207                         if ($filter) {
1208                                 $dxchan->send($routeit) if $routeit;
1209                         } else {
1210                                 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1211                                 
1212                         }
1213                 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
1214                         my $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1215                         $buf .= "\a\a" if $dxchan->{beep};
1216                         if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1217                                 $dxchan->send($buf);
1218                         } else {
1219                                 $dxchan->delay($buf);
1220                         }
1221                 }                                       
1222         }
1223 }
1224
1225 sub send_wcy_spot
1226 {
1227         my $self = shift;
1228         my $line = shift;
1229         my @dxchan = DXChannel->get_all();
1230         my $dxchan;
1231         my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1232         my @dxcc = Prefix::extract($_[11]);
1233         if (@dxcc > 0) {
1234                 $wcy_dxcc = $dxcc[1]->dxcc;
1235                 $wcy_itu = $dxcc[1]->itu;
1236                 $wcy_cq = $dxcc[1]->cq;                                         
1237         }
1238         @dxcc = Prefix::extract($_[12]);
1239         if (@dxcc > 0) {
1240                 $org_dxcc = $dxcc[1]->dxcc;
1241                 $org_itu = $dxcc[1]->itu;
1242                 $org_cq = $dxcc[1]->cq;                                         
1243         }
1244         
1245         # send it if it isn't the except list and isn't isolated and still has a hop count
1246         # taking into account filtering and so on
1247         foreach $dxchan (@dxchan) {
1248                 next if $dxchan == $me;
1249                 my $routeit;
1250                 my ($filter, $hops);
1251
1252                 if ($dxchan->{wcyfilter}) {
1253                         ($filter, $hops) = $dxchan->{wcyfilter}->it(@_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1254                          next unless $filter;
1255                 }
1256                 if ($dxchan->is_clx || $dxchan->is_spider || $dxchan->is_dxnet) {
1257                         if ($hops) {
1258                                 $routeit = $line;
1259                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1260                         } else {
1261                                 $routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
1262                                 next unless $routeit;
1263                         }
1264                         if ($filter) {
1265                                 $dxchan->send($routeit) if $routeit;
1266                         } else {
1267                                 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1268                         }
1269                 } elsif ($dxchan->is_user && $dxchan->{wcy}) {
1270                         my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1271                         $buf .= "\a\a" if $dxchan->{beep};
1272                         if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1273                                 $dxchan->send($buf);
1274                         } else {
1275                                 $dxchan->delay($buf);
1276                         }
1277                 }                                       
1278         }
1279 }
1280
1281 # send an announce
1282 sub send_announce
1283 {
1284         my $self = shift;
1285         my $line = shift;
1286         my @dxchan = DXChannel->get_all();
1287         my $dxchan;
1288         my $text = unpad($_[2]);
1289         my $target;
1290         my $to = 'To ';
1291                                 
1292         if ($_[3] eq '*') {     # sysops
1293                 $target = "SYSOP";
1294         } elsif ($_[3] gt ' ') { # speciality list handling
1295                 my ($name) = split /\./, $_[3]; 
1296                 $target = "$name"; # put the rest in later (if bothered) 
1297         } 
1298         
1299         if ($_[5] eq '1') {
1300                 $target = "WX"; 
1301                 $to = '';
1302         }
1303         $target = "ALL" if !$target;
1304         
1305         Log('ann', $target, $_[0], $text);
1306
1307         # obtain country codes etc 
1308         my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1309         my @dxcc = Prefix::extract($_[0]);
1310         if (@dxcc > 0) {
1311                 $ann_dxcc = $dxcc[1]->dxcc;
1312                 $ann_itu = $dxcc[1]->itu;
1313                 $ann_cq = $dxcc[1]->cq;                                         
1314         }
1315         @dxcc = Prefix::extract($_[4]);
1316         if (@dxcc > 0) {
1317                 $org_dxcc = $dxcc[1]->dxcc;
1318                 $org_itu = $dxcc[1]->itu;
1319                 $org_cq = $dxcc[1]->cq;                                         
1320         }
1321
1322         # send it if it isn't the except list and isn't isolated and still has a hop count
1323         # taking into account filtering and so on
1324         foreach $dxchan (@dxchan) {
1325                 next if $dxchan == $self;
1326                 next if $dxchan == $me;
1327                 my $routeit;
1328                 my ($filter, $hops);
1329
1330                 if ($dxchan->{annfilter}) {
1331                         ($filter, $hops) = $dxchan->{annfilter}->it(@_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1332                         next unless $filter;
1333                 } 
1334                 if ($dxchan->is_node && $_[1] ne $main::mycall) {  # i.e not specifically routed to me
1335                         if ($hops) {
1336                                 $routeit = $line;
1337                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1338                         } else {
1339                                 $routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
1340                                 next unless $routeit;
1341                         }
1342                         if ($filter) {
1343                                 $dxchan->send($routeit) if $routeit;
1344                         } else {
1345                                 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1346                                 
1347                         }
1348                 } elsif ($dxchan->is_user) {
1349                         unless ($dxchan->{ann}) {
1350                                 next if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
1351                         }
1352                         next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
1353                         my $buf = "$to$target de $_[0]: $text";
1354                         $buf =~ s/\%5E/^/g;
1355                         $buf .= "\a\a" if $dxchan->{beep};
1356                         if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1357                                 $dxchan->send($buf);
1358                         } else {
1359                                 $dxchan->delay($buf);
1360                         }
1361                 }                                       
1362         }
1363 }
1364
1365 sub send_local_config
1366 {
1367         my $self = shift;
1368         my $n;
1369         my @nodes;
1370         my @localcalls;
1371         my @remotecalls;
1372                 
1373         # send our nodes
1374         if ($self->{isolate}) {
1375                 @localcalls = ( $main::mycall );
1376         } else {
1377                 # create a list of all the nodes that are not connected to this connection
1378                 # and are not themselves isolated, this to make sure that isolated nodes
1379         # don't appear outside of this node
1380                 my @dxchan = grep { $_->call ne $main::mycall && $_->call ne $self->{call} && !$_->{isolate} } DXChannel::get_all_nodes();
1381                 @localcalls = map { $_->{call} } @dxchan if @dxchan;
1382                 @remotecalls = map {my $r = Route::Node::get($_); $r ? $r->rnodes(@localcalls, $main::mycall, $self->{call}) : () } @localcalls if @localcalls;
1383                 unshift @localcalls, $main::mycall;
1384         }
1385         @nodes = map {my $r = Route::Node::get($_); $r ? $r : ()} (@localcalls, @remotecalls);
1386         
1387         send_route($self, \&pc19, scalar @nodes, @nodes);
1388         
1389         # get all the users connected on the above nodes and send them out
1390         foreach $n (@nodes) {
1391                 send_route($self, \&pc16, 1, $n, map {my $r = Route::User::get($_); $r ? ($r) : ()} $n->users);
1392         }
1393 }
1394
1395 #
1396 # route a message down an appropriate interface for a callsign
1397 #
1398 # is called route(to, pcline);
1399 #
1400 sub route
1401 {
1402         my ($self, $call, $line) = @_;
1403
1404         if (ref $self && $call eq $self->{call}) {
1405                 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1406                 return;
1407         }
1408
1409         # always send it down the local interface if available
1410         my $dxchan = DXChannel->get($call);
1411         unless ($dxchan) {
1412                 my $cl = Route::Node::get($call);
1413                 $dxchan = $cl->dxchan if $cl;
1414                 if (ref $dxchan) {
1415                         if (ref $self && $dxchan eq $self) {
1416                                 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1417                                 return;
1418                         }
1419                 }
1420         }
1421         if ($dxchan) {
1422                 my $routeit = adjust_hops($dxchan, $line);   # adjust its hop count by node name
1423                 if ($routeit) {
1424                         $dxchan->send($routeit);
1425                 }
1426         } else {
1427                 dbg('chan', "PCPROT: No route available, dropped");
1428         }
1429 }
1430
1431 # broadcast a message to all clusters taking into account isolation
1432 # [except those mentioned after buffer]
1433 sub broadcast_ak1a
1434 {
1435         my $s = shift;                          # the line to be rebroadcast
1436         my @except = @_;                        # to all channels EXCEPT these (dxchannel refs)
1437         my @dxchan = DXChannel::get_all_nodes();
1438         my $dxchan;
1439         
1440         # send it if it isn't the except list and isn't isolated and still has a hop count
1441         foreach $dxchan (@dxchan) {
1442                 next if grep $dxchan == $_, @except;
1443                 next if $dxchan == $me;
1444                 
1445                 my $routeit = adjust_hops($dxchan, $s);      # adjust its hop count by node name
1446                 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1447         }
1448 }
1449
1450 # broadcast a message to all clusters ignoring isolation
1451 # [except those mentioned after buffer]
1452 sub broadcast_all_ak1a
1453 {
1454         my $s = shift;                          # the line to be rebroadcast
1455         my @except = @_;                        # to all channels EXCEPT these (dxchannel refs)
1456         my @dxchan = DXChannel::get_all_nodes();
1457         my $dxchan;
1458         
1459         # send it if it isn't the except list and isn't isolated and still has a hop count
1460         foreach $dxchan (@dxchan) {
1461                 next if grep $dxchan == $_, @except;
1462                 next if $dxchan == $me;
1463
1464                 my $routeit = adjust_hops($dxchan, $s);      # adjust its hop count by node name
1465                 $dxchan->send($routeit);
1466         }
1467 }
1468
1469 # broadcast to all users
1470 # storing the spot or whatever until it is in a state to receive it
1471 sub broadcast_users
1472 {
1473         my $s = shift;                          # the line to be rebroadcast
1474         my $sort = shift;           # the type of transmission
1475         my $fref = shift;           # a reference to an object to filter on
1476         my @except = @_;                        # to all channels EXCEPT these (dxchannel refs)
1477         my @dxchan = DXChannel::get_all_users();
1478         my $dxchan;
1479         my @out;
1480         
1481         foreach $dxchan (@dxchan) {
1482                 next if grep $dxchan == $_, @except;
1483                 push @out, $dxchan;
1484         }
1485         broadcast_list($s, $sort, $fref, @out);
1486 }
1487
1488 # broadcast to a list of users
1489 sub broadcast_list
1490 {
1491         my $s = shift;
1492         my $sort = shift;
1493         my $fref = shift;
1494         my $dxchan;
1495         
1496         foreach $dxchan (@_) {
1497                 my $filter = 1;
1498                 next if $dxchan == $me;
1499                 
1500                 if ($sort eq 'dx') {
1501                     next unless $dxchan->{dx};
1502                         ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
1503                         next unless $filter;
1504                 }
1505                 next if $sort eq 'ann' && !$dxchan->{ann};
1506                 next if $sort eq 'wwv' && !$dxchan->{wwv};
1507                 next if $sort eq 'wcy' && !$dxchan->{wcy};
1508                 next if $sort eq 'wx' && !$dxchan->{wx};
1509
1510                 $s =~ s/\a//og unless $dxchan->{beep};
1511
1512                 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1513                         $dxchan->send($s);      
1514                 } else {
1515                         $dxchan->delay($s);
1516                 }
1517         }
1518 }
1519
1520
1521 #
1522 # obtain the hops from the list for this callsign and pc no 
1523 #
1524
1525 sub get_hops
1526 {
1527         my $pcno = shift;
1528         my $hops = $DXProt::hopcount{$pcno};
1529         $hops = $DXProt::def_hopcount if !$hops;
1530         return "H$hops";       
1531 }
1532
1533
1534 # adjust the hop count on a per node basis using the user loadable 
1535 # hop table if available or else decrement an existing one
1536 #
1537
1538 sub adjust_hops
1539 {
1540         my $self = shift;
1541         my $s = shift;
1542         my $call = $self->{call};
1543         my $hops;
1544         
1545         if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1546                 my ($pcno) = $s =~ /^PC(\d\d)/o;
1547                 confess "$call called adjust_hops with '$s'" unless $pcno;
1548                 my $ref = $nodehops{$call} if %nodehops;
1549                 if ($ref) {
1550                         my $newhops = $ref->{$pcno};
1551                         return "" if defined $newhops && $newhops == 0;
1552                         $newhops = $ref->{default} unless $newhops;
1553                         return "" if defined $newhops && $newhops == 0;
1554                         $newhops = $hops if !$newhops;
1555                         $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1556                 } else {
1557                         # simply decrement it
1558                         $hops--;
1559                         return "" if !$hops;
1560                         $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1561                 }
1562         }
1563         return $s;
1564 }
1565
1566
1567 # load hop tables
1568 #
1569 sub load_hops
1570 {
1571         my $self = shift;
1572         return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1573         do "$main::data/hop_table.pl";
1574         return $@ if $@;
1575         return 0;
1576 }
1577
1578
1579 # add a ping request to the ping queues
1580 sub addping
1581 {
1582         my ($from, $to) = @_;
1583         my $ref = $pings{$to} || [];
1584         my $r = {};
1585         $r->{call} = $from;
1586         $r->{t} = [ gettimeofday ];
1587         route(undef, $to, pc51($to, $main::mycall, 1));
1588         push @$ref, $r;
1589         $pings{$to} = $ref;
1590 }
1591
1592 # add a rcmd request to the rcmd queues
1593 sub addrcmd
1594 {
1595         my ($self, $to, $cmd) = @_;
1596
1597         my $r = {};
1598         $r->{call} = $self->{call};
1599         $r->{t} = $main::systime;
1600         $r->{cmd} = $cmd;
1601         $rcmds{$to} = $r;
1602
1603         my $ref = Route::Node::get($to);
1604         my $dxchan = $ref->dxchan;
1605     if ($dxchan && $dxchan->is_clx) {
1606                 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1607         } else {
1608                 route(undef, $to, pc34($main::mycall, $to, $cmd));
1609         }
1610 }
1611
1612 sub disconnect
1613 {
1614         my $self = shift;
1615         my $pc39flag = shift;
1616         my $call = $self->call;
1617
1618         unless ($pc39flag && $pc39flag == 1) {
1619                 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1620         }
1621
1622         # do routing stuff
1623 #       my $node = Route::Node::get($self->{call});
1624 #       my @rout = $node->del_nodes if $node;
1625         my @rout = $main::routeroot->del_node($call);
1626         dbg('route', "B/C PC21 (from PC39) for: " . join(',', (map{ $_->call } @rout))) if @rout;
1627         
1628         # unbusy and stop and outgoing mail
1629         my $mref = DXMsg::get_busy($call);
1630         $mref->stop_msg($call) if $mref;
1631         
1632         # broadcast to all other nodes that all the nodes connected to via me are gone
1633         unless ($pc39flag && $pc39flag == 2) {
1634                 $self->route_pc21(@rout) if @rout;
1635         }
1636
1637         # remove outstanding pings
1638         delete $pings{$call};
1639         
1640         # I was the last node visited
1641     $self->user->node($main::mycall);
1642
1643         # send info to all logged in thingies
1644         $self->tell_login('logoutn');
1645
1646         Log('DXProt', $call . " Disconnected");
1647
1648         $self->SUPER::disconnect;
1649 }
1650
1651
1652
1653 # send a talk message to this thingy
1654 #
1655 sub talk
1656 {
1657         my ($self, $from, $to, $via, $line) = @_;
1658         
1659         $line =~ s/\^/\\5E/g;                   # remove any ^ characters
1660         $self->send(DXProt::pc10($from, $to, $via, $line));
1661         Log('talk', $self->call, $from, $via?$via:$main::mycall, $line);
1662 }
1663
1664 # send it if it isn't the except list and isn't isolated and still has a hop count
1665 # taking into account filtering and so on
1666 sub send_route
1667 {
1668         my $self = shift;
1669         my $generate = shift;
1670         my $no = shift;     # the no of things to filter on 
1671         my $routeit;
1672         my ($filter, $hops);
1673         my @rin;
1674         
1675         if ($self->{routefilter}) {
1676                 for (; @_ && $no; $no--) {
1677                         my $r = shift;
1678                         ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1679                         push @rin, $r if $filter;
1680                 }
1681         }
1682         if (@rin) {
1683                 foreach my $line (&$generate(@rin, @_)) {
1684                         if ($hops) {
1685                                 $routeit = $line;
1686                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1687                         } else {
1688                                 $routeit = adjust_hops($self, $line);  # adjust its hop count by node name
1689                                 next unless $routeit;
1690                         }
1691                         $self->send($routeit) unless $self->{isolate} || $self->{isolate};
1692                 }
1693         }
1694 }
1695
1696 sub broadcast_route
1697 {
1698         my $self = shift;
1699         my $generate = shift;
1700         my @dxchan = DXChannel::get_all_nodes();
1701         my $dxchan;
1702         my $line;
1703         
1704         foreach $dxchan (@dxchan) {
1705                 next if $dxchan == $self;
1706                 next if $dxchan == $me;
1707                 $dxchan->send_route($generate, @_);
1708         }
1709 }
1710
1711 sub route_pc16
1712 {
1713         my $self = shift;
1714         broadcast_route($self, \&pc16, 1, @_);
1715 }
1716
1717 sub route_pc17
1718 {
1719         my $self = shift;
1720         broadcast_route($self, \&pc17, 1, @_);
1721 }
1722
1723 sub route_pc19
1724 {
1725         my $self = shift;
1726         broadcast_route($self, \&pc19, scalar @_, @_);
1727 }
1728
1729 sub route_pc21
1730 {
1731         my $self = shift;
1732         broadcast_route($self, \&pc21, scalar @_, @_);
1733 }
1734
1735 1;
1736 __END__