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
 195         # add this node to the table, the values get filled in later
 196         my $pkg = shift;
 197         my $call = shift;
 198         $main::routeroot->add($call, '0000', Route::here(1)) if $call ne $main::mycall;
 199
 200         return $self;
 201 }
 202
 203 # this is how a pc connection starts (for an incoming connection)
 204 # issue a PC38 followed by a PC18, then wait for a PC20 (remembering
 205 # all the crap that comes between).
 206 sub start
 207 {
 208         my ($self, $line, $sort) = @_;
 209         my $call = $self->{call};
 210         my $user = $self->{user};
 211
 212         # remember type of connection
 213         $self->{consort} = $line;
 214         $self->{outbound} = $sort eq 'O';
 215         $self->{priv} = $user->priv || 1;     # other clusters can always be 'normal' users
 216         $self->{lang} = $user->lang || 'en';
 217         $self->{isolate} = $user->{isolate};
 218         $self->{consort} = $line;       # save the connection type
 219         $self->{here} = 1;
 220
 221         # get the output filters
 222         $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'node_default', 0);
 223         $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'node_default', 0);
 224         $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'node_default', 0);
 225         $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'node_default', 0) ;
 226         $self->{routefilter} = Filter::read_in('route', $call, 0) || Filter::read_in('route', 'node_default', 0) ;
 227
 228
 229         # get the INPUT filters (these only pertain to Clusters)
 230         $self->{inspotsfilter} = Filter::read_in('spots', $call, 1) || Filter::read_in('spots', 'node_default', 1);
 231         $self->{inwwvfilter} = Filter::read_in('wwv', $call, 1) || Filter::read_in('wwv', 'node_default', 1);
 232         $self->{inwcyfilter} = Filter::read_in('wcy', $call, 1) || Filter::read_in('wcy', 'node_default', 1);
 233         $self->{inannfilter} = Filter::read_in('ann', $call, 1) || Filter::read_in('ann', 'node_default', 1);
 234         $self->{inroutefilter} = Filter::read_in('route', $call, 1) || Filter::read_in('route', 'node_default', 1);
 235
 236         # set unbuffered and no echo
 237         $self->send_now('B',"0");
 238         $self->send_now('E',"0");
 239
 240         # ping neighbour node stuff
 241         my $ping = $user->pingint;
 242         $ping = 5*60 unless defined $ping;
 243         $self->{pingint} = $ping;
 244         $self->{nopings} = $user->nopings || 2;
 245         $self->{pingtime} = [ ];
 246         $self->{pingave} = 0;
 247
 248         # send initialisation string
 249         unless ($self->{outbound}) {
 250                 $self->send(pc18());
 251                 $self->{lastping} = $main::systime;
 252         } else {
 253                 $self->{lastping} = $main::systime + ($self->pingint / 2);
 254         }
 255         $self->state('init');
 256         $self->{pc50_t} = $main::systime;
 257
 258         # send info to all logged in thingies
 259         $self->tell_login('loginn');
 260
 261         Log('DXProt', "$call connected");
 262 }
 263
 264 #
 265 # This is the normal pcxx despatcher
 266 #
 267 sub normal
 268 {
 269         my ($self, $line) = @_;
 270         my @field = split /\^/, $line;
 271         return unless @field;
 272
 273         pop @field if $field[-1] eq '~';
 274
 275 #       print join(',', @field), "\n";
 276
 277         # ignore any lines that don't start with PC
 278         return if !$field[0] =~ /^PC/;
 279
 280         # process PC frames
 281         my ($pcno) = $field[0] =~ /^PC(\d\d)/; # just get the number
 282         return unless $pcno;
 283         return if $pcno < 10 || $pcno > 99;
 284
 285         # check for and dump bad protocol messages
 286         my $n = check($pcno, @field);
 287         if ($n) {
 288                 dbg('chan', "PCPROT: bad field $n, dumped (" . parray($checklist[$pcno-10]) . ")");
 289                 return;
 290         }
 291
 292         # local processing 1
 293         my $pcr;
 294         eval {
 295                 $pcr = Local::pcprot($self, $pcno, @field);
 296         };
 297 #       dbg('local', "Local::pcprot error $@") if $@;
 298         return if $pcr;
 299
 300  SWITCH: {
 301                 if ($pcno == 10) {              # incoming talk
 302
 303                         # will we allow it at all?
 304                         if ($censorpc) {
 305                                 my @bad;
 306                                 if (@bad = BadWords::check($field[3])) {
 307                                         dbg('chan', "PCPROT: Bad words: @bad, dropped" );
 308                                         return;
 309                                 }
 310                         }
 311
 312                         # is it for me or one of mine?
 313                         my ($to, $via, $call, $dxchan);
 314                         if ($field[5] gt ' ') {
 315                                 $call = $via = $field[2];
 316                                 $to = $field[5];
 317                         } else {
 318                                 $call = $to = $field[2];
 319                         }
 320                         $dxchan = DXChannel->get($call);
 321                         if ($dxchan && $dxchan->is_user) {
 322                                 $field[3] =~ s/\%5E/^/g;
 323                                 $dxchan->talk($field[1], $to, $via, $field[3]);
 324                         } else {
 325                                 $self->route($field[2], $line); # relay it on its way
 326                         }
 327                         return;
 328                 }
 329
 330                 if ($pcno == 11 || $pcno == 26) { # dx spot
 331
 332                         # route 'foreign' pc26s
 333                         if ($pcno == 26) {
 334                                 if ($field[7] ne $main::mycall) {
 335                                         $self->route($field[7], $line);
 336                                         return;
 337                                 }
 338                         }
 339
 340                         # if this is a 'nodx' node then ignore it
 341                         if ($badnode->in($field[7])) {
 342                                 dbg('chan', "PCPROT: Bad Node, dropped");
 343                                 return;
 344                         }
 345
 346                         # if this is a 'bad spotter' user then ignore it
 347                         if ($badspotter->in($field[6])) {
 348                                 dbg('chan', "PCPROT: Bad Spotter, dropped");
 349                                 return;
 350                         }
 351
 352                         # convert the date to a unix date
 353                         my $d = cltounix($field[3], $field[4]);
 354                         # bang out (and don't pass on) if date is invalid or the spot is too old (or too young)
 355                         if (!$d || ($pcno == 11 && ($d < $main::systime - $pc11_max_age || $d > $main::systime + 900))) {
 356                                 dbg('chan', "PCPROT: Spot ignored, invalid date or out of range ($field[3] $field[4])\n");
 357                                 return;
 358                         }
 359
 360                         # is it 'baddx'
 361                         if ($baddx->in($field[2])) {
 362                                 dbg('chan', "PCPROT: Bad DX spot, ignored");
 363                                 return;
 364                         }
 365
 366                         # do some de-duping
 367                         $field[5] =~ s/^\s+//;      # take any leading blanks off
 368                         $field[2] = unpad($field[2]);   # take off leading and trailing blanks from spotted callsign
 369                         if ($field[2] =~ /BUST\w*$/) {
 370                                 dbg('chan', "PCPROT: useless 'BUSTED' spot");
 371                                 return;
 372                         }
 373                         if (Spot::dup($field[1], $field[2], $d, $field[5])) {
 374                                 dbg('chan', "PCPROT: Duplicate Spot ignored\n");
 375                                 return;
 376                         }
 377                         if ($censorpc) {
 378                                 my @bad;
 379                                 if (@bad = BadWords::check($field[5])) {
 380                                         dbg('chan', "PCPROT: Bad words: @bad, dropped" );
 381                                         return;
 382                                 }
 383                         }
 384
 385                         my @spot = Spot::prepare($field[1], $field[2], $d, $field[5], $field[6], $field[7]);
 386                         # global spot filtering on INPUT
 387                         if ($self->{inspotsfilter}) {
 388                                 my ($filter, $hops) = $self->{inspotsfilter}->it(@spot);
 389                                 unless ($filter) {
 390                                         dbg('chan', "PCPROT: Rejected by filter");
 391                                         return;
 392                                 }
 393                         }
 394
 395                         # add it
 396                         Spot::add(@spot);
 397
 398             #
 399                         # @spot at this point contains:-
 400             # freq, spotted call, time, text, spotter, spotted cc, spotters cc, orig node
 401                         # then  spotted itu, spotted cq, spotters itu, spotters cq
 402                         # you should be able to route on any of these
 403             #
 404
 405                         # fix up qra locators of known users
 406                         my $user = DXUser->get_current($spot[4]);
 407                         if ($user) {
 408                                 my $qra = $user->qra;
 409                                 unless ($qra && DXBearing::is_qra($qra)) {
 410                                         my $lat = $user->lat;
 411                                         my $long = $user->long;
 412                                         if (defined $lat && defined $long) {
 413                                                 $user->qra(DXBearing::lltoqra($lat, $long));
 414                                                 $user->put;
 415                                         }
 416                                 }
 417
 418                                 # send a remote command to a distant cluster if it is visible and there is no
 419                                 # qra locator and we havn't done it for a month.
 420
 421                                 unless ($user->qra) {
 422                                         my $node;
 423                                         my $to = $user->homenode;
 424                                         my $last = $user->lastoper || 0;
 425                                         if ($send_opernam && $main::systime > $last + $DXUser::lastoperinterval && $to && ($node = Route::Node::get($to)) ) {
 426                                                 my $cmd = "forward/opernam $spot[4]";
 427                                                 # send the rcmd but we aren't interested in the replies...
 428                                                 my $dxchan = $node->dxchan;
 429                                                 if ($dxchan && $dxchan->is_clx) {
 430                                                         route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
 431                                                 } else {
 432                                                         route(undef, $to, pc34($main::mycall, $to, $cmd));
 433                                                 }
 434                                                 if ($to ne $field[7]) {
 435                                                         $to = $field[7];
 436                                                         $node = Route::Node::get($to);
 437                                                         if ($node) {
 438                                                                 $dxchan = $node->dxchan;
 439                                                                 if ($dxchan && $dxchan->is_clx) {
 440                                                                         route(undef, $to, pc84($main::mycall, $to, $main::mycall, $cmd));
 441                                                                 } else {
 442                                                                         route(undef, $to, pc34($main::mycall, $to, $cmd));
 443                                                                 }
 444                                                         }
 445                                                 }
 446                                                 $user->lastoper($main::systime);
 447                                                 $user->put;
 448                                         }
 449                                 }
 450                         }
 451
 452                         # local processing
 453                         my $r;
 454                         eval {
 455                                 $r = Local::spot($self, @spot);
 456                         };
 457 #                       dbg('local', "Local::spot1 error $@") if $@;
 458                         return if $r;
 459
 460                         # DON'T be silly and send on PC26s!
 461                         return if $pcno == 26;
 462
 463                         # send out the filtered spots
 464                         send_dx_spot($self, $line, @spot) if @spot;
 465                         return;
 466                 }
 467
 468                 if ($pcno == 12) {              # announces
 469                         # announce duplicate checking
 470                         $field[3] =~ s/^\s+//;  # remove leading blanks
 471                         if (AnnTalk::dup($field[1], $field[2], $field[3])) {
 472                                 dbg('chan', "PCPROT: Duplicate Announce ignored");
 473                                 return;
 474                         }
 475
 476                         if ($censorpc) {
 477                                 my @bad;
 478                                 if (@bad = BadWords::check($field[3])) {
 479                                         dbg('chan', "PCPROT: Bad words: @bad, dropped" );
 480                                         return;
 481                                 }
 482                         }
 483
 484                         if ($field[2] eq '*' || $field[2] eq $main::mycall) {
 485
 486                                 # global ann filtering on INPUT
 487                                 if ($self->{inannfilter}) {
 488                                         my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
 489                                         my @dxcc = Prefix::extract($field[1]);
 490                                         if (@dxcc > 0) {
 491                                                 $ann_dxcc = $dxcc[1]->dxcc;
 492                                                 $ann_itu = $dxcc[1]->itu;
 493                                                 $ann_cq = $dxcc[1]->cq();
 494                                         }
 495                                         @dxcc = Prefix::extract($field[5]);
 496                                         if (@dxcc > 0) {
 497                                                 $org_dxcc = $dxcc[1]->dxcc;
 498                                                 $org_itu = $dxcc[1]->itu;
 499                                                 $org_cq = $dxcc[1]->cq();
 500                                         }
 501                                         my ($filter, $hops) = $self->{inannfilter}->it(@field[1..6], $self->{call},
 502                                                                                                         $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
 503                                         unless ($filter) {
 504                                                 dbg('chan', "PCPROT: Rejected by filter");
 505                                                 return;
 506                                         }
 507                                 }
 508
 509                                 # send it
 510                                 $self->send_announce($line, @field[1..6]);
 511                         } else {
 512                                 $self->route($field[2], $line);
 513                         }
 514
 515                         return;
 516                 }
 517
 518                 if ($pcno == 13) {
 519                         last SWITCH;
 520                 }
 521                 if ($pcno == 14) {
 522                         last SWITCH;
 523                 }
 524                 if ($pcno == 15) {
 525                         last SWITCH;
 526                 }
 527
 528                 if ($pcno == 16) {              # add a user
 529
 530                         # general checks
 531                         my $dxchan;
 532                         my $ncall = $field[1];
 533                         my $newline = "PC16^";
 534
 535                         if ($ncall eq $main::mycall) {
 536                                 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
 537                                 return;
 538                         }
 539                         $dxchan = DXChannel->get($ncall);
 540                         if ($dxchan && $dxchan ne $self) {
 541                                 dbg('chan', "PCPROT: PC16 from $self->{call} trying to alter locally connected $ncall, ignored!");
 542                                 return;
 543                         }
 544                         my $parent = Route::Node::get($ncall);
 545                         unless ($parent) {
 546                                 dbg('chan', "PCPROT: Node $ncall not in config");
 547                                 return;
 548                         }
 549                         my $i;
 550                         my @rout;
 551                         for ($i = 2; $i < $#field; $i++) {
 552                                 my ($call, $conf, $here) = $field[$i] =~ /^(\S+) (\S) (\d)/o;
 553                                 next unless $call && $conf && defined $here && is_callsign($call);
 554                                 $conf = $conf eq '*';
 555
 556                                 push @rout, $parent->add_user($call, Route::here($here)|Route::conf($conf));
 557
 558                                 # add this station to the user database, if required
 559                                 $call =~ s/-\d+$//o;        # remove ssid for users
 560                                 my $user = DXUser->get_current($call);
 561                                 $user = DXUser->new($call) if !$user;
 562                                 $user->homenode($parent->call) if !$user->homenode;
 563                                 $user->node($parent->call);
 564                                 $user->lastin($main::systime) unless DXChannel->get($call);
 565                                 $user->put;
 566                         }
 567
 568
 569                         # queue up any messages (look for privates only)
 570                         DXMsg::queue_msg(1) if $self->state eq 'normal';
 571
 572                         dbg('route', "B/C PC16 on $ncall for: " . join(',', map{$_->call} @rout)) if @rout;
 573                         $self->route_pc16($parent, @rout) if @rout;
 574                         return;
 575                 }
 576
 577                 if ($pcno == 17) {              # remove a user
 578                         my $dxchan;
 579                         my $ncall = $field[2];
 580                         if ($ncall eq $main::mycall) {
 581                                 dbg('chan', "PCPROT: trying to alter config on this node from outside!");
 582                                 return;
 583                         }
 584                         $dxchan = DXChannel->get($ncall);
 585                         if ($dxchan && $dxchan ne $self) {
 586                                 dbg('chan', "PCPROT: PC17 from $self->{call} trying to alter locally connected $ncall, ignored!");
 587                                 return;
 588                         }
 589                         my $parent = Route::Node::get($ncall);
 590                         unless ($parent) {
 591                                 dbg('chan', "PCPROT: Route::Node $ncall not in config");
 592                                 return;
 593                         }
 594                         my @rout = $parent->del_user($field[1]);
 595                         dbg('route', "B/C PC17 on $ncall for: $field[1]");
 596                         $self->route_pc17($parent, @rout) if @rout;
 597                         return;
 598                 }
 599
 600                 if ($pcno == 18) {              # link request
 601                         $self->state('init');
 602
 603                         # first clear out any nodes on this dxchannel
 604                         my $parent = Route::Node::get($self->{call});
 605                         my @rout;
 606                         for ($parent->nodes) {
 607                                 my $r = Route::Node::get($_);
 608                                 push @rout, $r->del_node if $r;
 609                         }
 610                         $self->route_pc21(@rout, $parent);
 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 $parent = Route::Node::get($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                                 my $r;
 638                                 if ($parent->call eq $call && !$parent->version) {
 639                                         $parent->version($ver);
 640                                         $parent->flags(Route::here($here)|Route::conf($conf));
 641                                         push @rout, $parent;
 642                                 } elsif ($parent->call ne $call) {
 643                                         next if $call eq $main::mycall || $call eq $self->{call};
 644
 645                                         my $r = $parent->add($call, $ver, Route::here($here)|Route::conf($conf));
 646                                         push @rout, $r if $r;
 647                                 } else {
 648                                         $r = Route::Node::get($call);
 649                                         if ($r && (!$r->version || $r->version eq '0000')) {
 650                                                 $r->version($ver);
 651                                                 $r->flags(Route::here($here)|Route::conf($conf));
 652                                                 push @rout, $r;
 653                                         }
 654                                 }
 655
 656                                 # unbusy and stop and outgoing mail (ie if somehow we receive another PC19 without a disconnect)
 657                                 my $mref = DXMsg::get_busy($call);
 658                                 $mref->stop_msg($call) if $mref;
 659
 660                                 # add this station to the user database, if required (don't remove SSID from nodes)
 661                                 my $user = DXUser->get_current($call);
 662                                 if (!$user) {
 663                                         $user = DXUser->new($call);
 664                                         $user->sort('A');
 665                                         $user->priv(1);                   # I have relented and defaulted nodes
 666                                         $self->{priv} = 1;                # to user RCMDs allowed
 667                                         $user->homenode($call);
 668                                         $user->node($call);
 669                                 }
 670                                 $user->lastin($main::systime) unless DXChannel->get($call);
 671                                 $user->put;
 672                         }
 673
 674                         dbg('route', "B/C PC19 for: " . join(',', map{$_->call} @rout)) if @rout;
 675
 676                         $self->route_pc19(@rout) if @rout;
 677                         return;
 678                 }
 679
 680                 if ($pcno == 20) {              # send local configuration
 681                         $self->send_local_config();
 682                         $self->send(pc22());
 683                         $self->state('normal');
 684                         return;
 685                 }
 686
 687                 if ($pcno == 21) {              # delete a cluster from the list
 688                         my $call = uc $field[1];
 689                         my @rout;
 690                         my $parent = Route::Node::get($self->{call});
 691
 692                         if ($call ne $main::mycall) { # don't allow malicious buggers to disconnect me!
 693                                 if ($call eq $self->{call}) {
 694                                         dbg('chan', "PCPROT: Trying to disconnect myself with PC21");
 695                                         return;
 696                                 }
 697
 698                                 # routing objects
 699                                 if ($parent) {
 700                                         push @rout, $parent->del_node($call);
 701                                 } else {
 702                                         dbg('chan', "PCPROT: Route::Node $call not in config");
 703                                 }
 704                         } else {
 705                                 dbg('chan', "PCPROT: I WILL _NOT_ be disconnected!");
 706                                 return;
 707                         }
 708                         dbg('route', "B/C PC21 for: " . join(',', (map{$_->call} @rout))) if @rout;
 709
 710                         $self->route_pc21(@rout) if @rout;
 711                         return;
 712                 }
 713
 714                 if ($pcno == 22) {
 715                         $self->state('normal');
 716                         return;
 717                 }
 718
 719                 if ($pcno == 23 || $pcno == 27) { # WWV info
 720
 721                         # route 'foreign' pc27s
 722                         if ($pcno == 27) {
 723                                 if ($field[8] ne $main::mycall) {
 724                                         $self->route($field[8], $line);
 725                                         return;
 726                                 }
 727                         }
 728
 729                         # do some de-duping
 730                         my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
 731                         my $sfi = unpad($field[3]);
 732                         my $k = unpad($field[4]);
 733                         my $i = unpad($field[5]);
 734                         my ($r) = $field[6] =~ /R=(\d+)/;
 735                         $r = 0 unless $r;
 736                         if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
 737                                 dbg('chan', "PCPROT: WWV Date ($field[1] $field[2]) out of range");
 738                                 return;
 739                         }
 740                         if (Geomag::dup($d,$sfi,$k,$i,$field[6])) {
 741                                 dbg('chan', "PCPROT: Dup WWV Spot ignored\n");
 742                                 return;
 743                         }
 744                         $field[7] =~ s/-\d+$//o;            # remove spotter's ssid
 745
 746                         my $wwv = Geomag::update($d, $field[2], $sfi, $k, $i, @field[6..8], $r);
 747
 748                         my $rep;
 749                         eval {
 750                                 $rep = Local::wwv($self, $field[1], $field[2], $sfi, $k, $i, @field[6..8], $r);
 751                         };
 752 #                       dbg('local', "Local::wwv2 error $@") if $@;
 753                         return if $rep;
 754
 755                         # DON'T be silly and send on PC27s!
 756                         return if $pcno == 27;
 757
 758                         # broadcast to the eager world
 759                         send_wwv_spot($self, $line, $d, $field[2], $sfi, $k, $i, @field[6..8]);
 760                         return;
 761                 }
 762
 763                 if ($pcno == 24) {              # set here status
 764                         my $call = uc $field[1];
 765                         my $ref = Route::Node::get($call);
 766                         $ref->here($field[2]) if $ref;
 767                         $ref = Route::User::get($call);
 768                         $ref->here($field[2]) if $ref;
 769                         last SWITCH;
 770                 }
 771
 772                 if ($pcno == 25) {      # merge request
 773                         if ($field[1] ne $main::mycall) {
 774                                 $self->route($field[1], $line);
 775                                 return;
 776                         }
 777                         if ($field[2] eq $main::mycall) {
 778                                 dbg('chan', "PCPROT: Trying to merge to myself, ignored");
 779                                 return;
 780                         }
 781
 782                         Log('DXProt', "Merge request for $field[3] spots and $field[4] WWV from $field[1]");
 783
 784                         # spots
 785                         if ($field[3] > 0) {
 786                                 my @in = reverse Spot::search(1, undef, undef, 0, $field[3]);
 787                                 my $in;
 788                                 foreach $in (@in) {
 789                                         $self->send(pc26(@{$in}[0..4], $field[2]));
 790                                 }
 791                         }
 792
 793                         # wwv
 794                         if ($field[4] > 0) {
 795                                 my @in = reverse Geomag::search(0, $field[4], time, 1);
 796                                 my $in;
 797                                 foreach $in (@in) {
 798                                         $self->send(pc27(@{$in}[0..5], $field[2]));
 799                                 }
 800                         }
 801                         return;
 802                 }
 803
 804                 if (($pcno >= 28 && $pcno <= 33) || $pcno == 40 || $pcno == 42 || $pcno == 49) { # mail/file handling
 805                         if ($pcno == 49 || $field[1] eq $main::mycall) {
 806                                 DXMsg::process($self, $line);
 807                         } else {
 808                                 $self->route($field[1], $line) unless $self->is_clx;
 809                         }
 810                         return;
 811                 }
 812
 813                 if ($pcno == 34 || $pcno == 36) { # remote commands (incoming)
 814                         if ($field[1] eq $main::mycall) {
 815                                 my $ref = DXUser->get_current($field[2]);
 816                                 my $cref = Route::Node::get($field[2]);
 817                                 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[3]);
 818                                 unless (!$cref || !$ref || $cref->call ne $ref->homenode) {    # not allowed to relay RCMDS!
 819                                         if ($ref->{priv}) {     # you have to have SOME privilege, the commands have further filtering
 820                                                 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
 821                                                 my $oldpriv = $self->{priv};
 822                                                 $self->{priv} = $ref->{priv};     # assume the user's privilege level
 823                                                 my @in = (DXCommandmode::run_cmd($self, $field[3]));
 824                                                 $self->{priv} = $oldpriv;
 825                                                 for (@in) {
 826                                                         s/\s*$//og;
 827                                                         $self->send(pc35($main::mycall, $field[2], "$main::mycall:$_"));
 828                                                         Log('rcmd', 'out', $field[2], $_);
 829                                                 }
 830                                                 delete $self->{remotecmd};
 831                                         } else {
 832                                                 $self->send(pc35($main::mycall, $field[2], "$main::mycall:sorry...!"));
 833                                         }
 834                                 } else {
 835                                         $self->send(pc35($main::mycall, $field[2], "$main::mycall:your attempt is logged, Tut tut tut...!"));
 836                                 }
 837                         } else {
 838                                 my $ref = DXUser->get_current($field[1]);
 839                                 if ($ref && $ref->is_clx) {
 840                                         $self->route($field[1], pc84($field[2], $field[1], $field[2], $field[3]));
 841                                 } else {
 842                                         $self->route($field[1], $line);
 843                                 }
 844                         }
 845                         return;
 846                 }
 847
 848                 if ($pcno == 35) {              # remote command replies
 849                         if ($field[1] eq $main::mycall) {
 850                                 my $s = $rcmds{$field[2]};
 851                                 if ($s) {
 852                                         my $dxchan = DXChannel->get($s->{call});
 853                                         $dxchan->send($field[3]) if $dxchan;
 854                                         delete $rcmds{$field[2]} if !$dxchan;
 855                                 } else {
 856                                         # send unsolicited ones to the sysop
 857                                         my $dxchan = DXChannel->get($main::myalias);
 858                                         $dxchan->send($field[3]) if $dxchan;
 859                                 }
 860                         } else {
 861                                 my $ref = DXUser->get_current($field[1]);
 862                                 if ($ref && $ref->is_clx) {
 863                                         $self->route($field[1], pc85($field[2], $field[1], $field[2], $field[3]));
 864                                 } else {
 865                                         $self->route($field[1], $line);
 866                                 }
 867                         }
 868                         return;
 869                 }
 870
 871                 # for pc 37 see 44 onwards
 872
 873                 if ($pcno == 38) {              # node connected list from neighbour
 874                         return;
 875                 }
 876
 877                 if ($pcno == 39) {              # incoming disconnect
 878                         if ($field[1] eq $self->{call}) {
 879                                 $self->disconnect(1);
 880                         } else {
 881                                 dbg('chan', "PCPROT: came in on wrong channel");
 882                         }
 883                         return;
 884                 }
 885
 886                 if ($pcno == 41) {              # user info
 887                         # add this station to the user database, if required
 888                         my $user = DXUser->get_current($field[1]);
 889                         $user = DXUser->new($field[1]) if !$user;
 890
 891                         if ($field[2] == 1) {
 892                                 $user->name($field[3]);
 893                         } elsif ($field[2] == 2) {
 894                                 $user->qth($field[3]);
 895                         } elsif ($field[2] == 3) {
 896                                 my ($lat, $long) = DXBearing::stoll($field[3]);
 897                                 $user->lat($lat);
 898                                 $user->long($long);
 899                                 $user->qra(DXBearing::lltoqra($lat, $long)) unless $user->qra && DXBearing::is_qra($user->qra);
 900                         } elsif ($field[2] == 4) {
 901                                 $user->homenode($field[3]);
 902                         }
 903                         $user->lastoper($main::systime);   # to cut down on excessive for/opers being generated
 904                         $user->put;
 905                         last SWITCH;
 906                 }
 907                 if ($pcno == 43) {
 908                         last SWITCH;
 909                 }
 910                 if ($pcno == 37 || $pcno == 44 || $pcno == 45 || $pcno == 46 || $pcno == 47 || $pcno == 48) {
 911                         DXDb::process($self, $line);
 912                         return;
 913                 }
 914
 915                 if ($pcno == 50) {              # keep alive/user list
 916                         my $node = Route::Node::get($field[1]);
 917                         if ($node) {
 918                                 return unless $node->call eq $self->{call};
 919                                 $node->usercount($field[2]);
 920                         }
 921                         last SWITCH;
 922                 }
 923
 924                 if ($pcno == 51) {              # incoming ping requests/answers
 925
 926                         # is it for us?
 927                         if ($field[1] eq $main::mycall) {
 928                                 my $flag = $field[3];
 929                                 if ($flag == 1) {
 930                                         $self->send(pc51($field[2], $field[1], '0'));
 931                                 } else {
 932                                         # it's a reply, look in the ping list for this one
 933                                         my $ref = $pings{$field[2]};
 934                                         if ($ref) {
 935                                                 my $tochan =  DXChannel->get($field[2]);
 936                                                 while (@$ref) {
 937                                                         my $r = shift @$ref;
 938                                                         my $dxchan = DXChannel->get($r->{call});
 939                                                         next unless $dxchan;
 940                                                         my $t = tv_interval($r->{t}, [ gettimeofday ]);
 941                                                         if ($dxchan->is_user) {
 942                                                                 my $s = sprintf "%.2f", $t;
 943                                                                 my $ave = sprintf "%.2f", $tochan ? ($tochan->{pingave} || $t) : $t;
 944                                                                 $dxchan->send($dxchan->msg('pingi', $field[2], $s, $ave))
 945                                                         } elsif ($dxchan->is_node) {
 946                                                                 if ($tochan) {
 947                                                                         $tochan->{nopings} = $tochan->user->nopings || 2; # pump up the timer
 948                                                                         push @{$tochan->{pingtime}}, $t;
 949                                                                         shift @{$tochan->{pingtime}} if @{$tochan->{pingtime}} > 6;
 950                                                                         my $st;
 951                                                                         for (@{$tochan->{pingtime}}) {
 952                                                                                 $st += $_;
 953                                                                         }
 954                                                                         $tochan->{pingave} = $st / @{$tochan->{pingtime}};
 955                                                                 }
 956                                                         }
 957                                                 }
 958                                         }
 959                                 }
 960                         } else {
 961                                 # route down an appropriate thingy
 962                                 $self->route($field[1], $line);
 963                         }
 964                         return;
 965                 }
 966
 967                 if ($pcno == 75) {              # dunno but route it
 968                         if ($field[1] ne $main::mycall) {
 969                                 $self->route($field[1], $line);
 970                         }
 971                         return;
 972                 }
 973
 974                 if ($pcno == 73) {  # WCY broadcasts
 975
 976                         # do some de-duping
 977                         my $d = cltounix($field[1], sprintf("%02d18Z", $field[2]));
 978                         if (($pcno == 23 && $d < $main::systime - $pc23_max_age) || $d > $main::systime + 1500 || $field[2] < 0 || $field[2] > 23) {
 979                                 dbg('chan', "PCPROT: WCY Date ($field[1] $field[2]) out of range");
 980                                 return;
 981                         }
 982                         @field = map { unpad($_) } @field;
 983                         if (WCY::dup($d,@field[3..7])) {
 984                                 dbg('chan', "PCPROT: Dup WCY Spot ignored\n");
 985                                 return;
 986                         }
 987
 988                         my $wcy = WCY::update($d, @field[2..12]);
 989
 990                         my $rep;
 991                         eval {
 992                                 $rep = Local::wwv($self, @field[1..12]);
 993                         };
 994                         # dbg('local', "Local::wcy error $@") if $@;
 995                         return if $rep;
 996
 997                         # broadcast to the eager world
 998                         send_wcy_spot($self, $line, $d, @field[2..12]);
 999                         return;
1000                 }
1001
1002                 if ($pcno == 84) { # remote commands (incoming)
1003                         if ($field[1] eq $main::mycall) {
1004                                 my $ref = DXUser->get_current($field[2]);
1005                                 my $cref = Route::Node::get($field[2]);
1006                                 Log('rcmd', 'in', $ref->{priv}, $field[2], $field[4]);
1007                                 unless ($field[4] =~ /rcmd/i || !$cref || !$ref || $cref->call ne $ref->homenode) {    # not allowed to relay RCMDS!
1008                                         if ($ref->{priv}) {     # you have to have SOME privilege, the commands have further filtering
1009                                                 $self->{remotecmd} = 1; # for the benefit of any command that needs to know
1010                                                 my $oldpriv = $self->{priv};
1011                                                 $self->{priv} = $ref->{priv};     # assume the user's privilege level
1012                                                 my @in = (DXCommandmode::run_cmd($self, $field[4]));
1013                                                 $self->{priv} = $oldpriv;
1014                                                 for (@in) {
1015                                                         s/\s*$//og;
1016                                                         $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:$_"));
1017                                                         Log('rcmd', 'out', $field[2], $_);
1018                                                 }
1019                                                 delete $self->{remotecmd};
1020                                         } else {
1021                                                 $self->send(pc85($main::mycall, $field[2], $field[3], "$main::mycall:sorry...!"));
1022                                         }
1023                                 } else {
1024                                         $self->send(pc85($main::mycall, $field[2], $field[3],"$main::mycall:your attempt is logged, Tut tut tut...!"));
1025                                 }
1026                         } else {
1027                                 my $ref = DXUser->get_current($field[1]);
1028                                 if ($ref && $ref->is_clx) {
1029                                         $self->route($field[1], $line);
1030                                 } else {
1031                                         $self->route($field[1], pc34($field[2], $field[1], $field[4]));
1032                                 }
1033                         }
1034                         return;
1035                 }
1036
1037                 if ($pcno == 85) {              # remote command replies
1038                         if ($field[1] eq $main::mycall) {
1039                                 my $dxchan = DXChannel->get($field[3]);
1040                                 if ($dxchan) {
1041                                         $dxchan->send($field[4]);
1042                                 } else {
1043                                         my $s = $rcmds{$field[2]};
1044                                         if ($s) {
1045                                                 $dxchan = DXChannel->get($s->{call});
1046                                                 $dxchan->send($field[4]) if $dxchan;
1047                                                 delete $rcmds{$field[2]} if !$dxchan;
1048                                         } else {
1049                                                 # send unsolicited ones to the sysop
1050                                                 my $dxchan = DXChannel->get($main::myalias);
1051                                                 $dxchan->send($field[4]) if $dxchan;
1052                                         }
1053                                 }
1054                         } else {
1055                                 my $ref = DXUser->get_current($field[1]);
1056                                 if ($ref && $ref->is_clx) {
1057                                         $self->route($field[1], $line);
1058                                 } else {
1059                                         $self->route($field[1], pc35($field[2], $field[1], $field[4]));
1060                                 }
1061                         }
1062                         return;
1063                 }
1064         }
1065
1066         # if get here then rebroadcast the thing with its Hop count decremented (if
1067         # there is one). If it has a hop count and it decrements to zero then don't
1068         # rebroadcast it.
1069         #
1070         # NOTE - don't arrive here UNLESS YOU WANT this lump of protocol to be
1071         #        REBROADCAST!!!!
1072         #
1073
1074         unless ($self->{isolate}) {
1075                 broadcast_ak1a($line, $self); # send it to everyone but me
1076         }
1077 }
1078
1079 #
1080 # This is called from inside the main cluster processing loop and is used
1081 # for despatching commands that are doing some long processing job
1082 #
1083 sub process
1084 {
1085         my $t = time;
1086         my @dxchan = DXChannel->get_all();
1087         my $dxchan;
1088
1089         foreach $dxchan (@dxchan) {
1090                 next unless $dxchan->is_node();
1091                 next if $dxchan == $me;
1092
1093                 # send a pc50 out on this channel
1094                 $dxchan->{pc50_t} = $main::systime unless exists $dxchan->{pc50_t};
1095                 if ($t >= $dxchan->{pc50_t} + $DXProt::pc50_interval) {
1096                         $dxchan->send(pc50(scalar DXChannel::get_all_users));
1097                         $dxchan->{pc50_t} = $t;
1098                 }
1099
1100                 # send a ping out on this channel
1101                 if ($dxchan->{pingint} && $t >= $dxchan->{pingint} + $dxchan->{lastping}) {
1102                         if ($dxchan->{nopings} <= 0) {
1103                                 $dxchan->disconnect;
1104                         } else {
1105                                 addping($main::mycall, $dxchan->call);
1106                                 $dxchan->{nopings} -= 1;
1107                                 $dxchan->{lastping} = $t;
1108                         }
1109                 }
1110         }
1111
1112         my $key;
1113         my $val;
1114         my $cutoff;
1115         if ($main::systime - 3600 > $last_hour) {
1116 #               Spot::process;
1117 #               Geomag::process;
1118 #               AnnTalk::process;
1119                 $last_hour = $main::systime;
1120         }
1121 }
1122
1123 #
1124 # finish up a pc context
1125 #
1126
1127 #
1128 # some active measures
1129 #
1130
1131 sub send_dx_spot
1132 {
1133         my $self = shift;
1134         my $line = shift;
1135         my @dxchan = DXChannel->get_all();
1136         my $dxchan;
1137
1138         # send it if it isn't the except list and isn't isolated and still has a hop count
1139         # taking into account filtering and so on
1140         foreach $dxchan (@dxchan) {
1141                 next if $dxchan == $me;
1142                 my $routeit;
1143                 my ($filter, $hops);
1144
1145                 if ($dxchan->{spotsfilter}) {
1146                     ($filter, $hops) = $dxchan->{spotsfilter}->it(@_, $self->{call} );
1147                         next unless $filter;
1148                 }
1149
1150                 if ($dxchan->is_node) {
1151                         next if $dxchan == $self;
1152                         if ($hops) {
1153                                 $routeit = $line;
1154                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1155                         } else {
1156                                 $routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
1157                                 next unless $routeit;
1158                         }
1159                         if ($filter) {
1160                                 $dxchan->send($routeit) if $routeit;
1161                         } else {
1162                                 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1163                         }
1164                 } elsif ($dxchan->is_user && $dxchan->{dx}) {
1165                         my $buf = Spot::formatb($dxchan->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
1166                         $buf .= "\a\a" if $dxchan->{beep};
1167                         $buf =~ s/\%5E/^/g;
1168                         if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1169                                 $dxchan->send($buf);
1170                         } else {
1171                                 $dxchan->delay($buf);
1172                         }
1173                 }
1174         }
1175 }
1176
1177 sub send_wwv_spot
1178 {
1179         my $self = shift;
1180         my $line = shift;
1181         my @dxchan = DXChannel->get_all();
1182         my $dxchan;
1183         my ($wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1184         my @dxcc = Prefix::extract($_[7]);
1185         if (@dxcc > 0) {
1186                 $wwv_dxcc = $dxcc[1]->dxcc;
1187                 $wwv_itu = $dxcc[1]->itu;
1188                 $wwv_cq = $dxcc[1]->cq;
1189         }
1190         @dxcc = Prefix::extract($_[8]);
1191         if (@dxcc > 0) {
1192                 $org_dxcc = $dxcc[1]->dxcc;
1193                 $org_itu = $dxcc[1]->itu;
1194                 $org_cq = $dxcc[1]->cq;
1195         }
1196
1197         # send it if it isn't the except list and isn't isolated and still has a hop count
1198         # taking into account filtering and so on
1199         foreach $dxchan (@dxchan) {
1200                 next if $dxchan == $self;
1201                 next if $dxchan == $me;
1202                 my $routeit;
1203                 my ($filter, $hops);
1204
1205                 if ($dxchan->{wwvfilter}) {
1206                         ($filter, $hops) = $dxchan->{wwvfilter}->it(@_, $self->{call}, $wwv_dxcc, $wwv_itu, $wwv_cq, $org_dxcc, $org_itu, $org_cq);
1207                          next unless $filter;
1208                 }
1209                 if ($dxchan->is_node) {
1210                         if ($hops) {
1211                                 $routeit = $line;
1212                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1213                         } else {
1214                                 $routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
1215                                 next unless $routeit;
1216                         }
1217                         if ($filter) {
1218                                 $dxchan->send($routeit) if $routeit;
1219                         } else {
1220                                 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1221
1222                         }
1223                 } elsif ($dxchan->is_user && $dxchan->{wwv}) {
1224                         my $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
1225                         $buf .= "\a\a" if $dxchan->{beep};
1226                         if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1227                                 $dxchan->send($buf);
1228                         } else {
1229                                 $dxchan->delay($buf);
1230                         }
1231                 }
1232         }
1233 }
1234
1235 sub send_wcy_spot
1236 {
1237         my $self = shift;
1238         my $line = shift;
1239         my @dxchan = DXChannel->get_all();
1240         my $dxchan;
1241         my ($wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1242         my @dxcc = Prefix::extract($_[11]);
1243         if (@dxcc > 0) {
1244                 $wcy_dxcc = $dxcc[1]->dxcc;
1245                 $wcy_itu = $dxcc[1]->itu;
1246                 $wcy_cq = $dxcc[1]->cq;
1247         }
1248         @dxcc = Prefix::extract($_[12]);
1249         if (@dxcc > 0) {
1250                 $org_dxcc = $dxcc[1]->dxcc;
1251                 $org_itu = $dxcc[1]->itu;
1252                 $org_cq = $dxcc[1]->cq;
1253         }
1254
1255         # send it if it isn't the except list and isn't isolated and still has a hop count
1256         # taking into account filtering and so on
1257         foreach $dxchan (@dxchan) {
1258                 next if $dxchan == $me;
1259                 my $routeit;
1260                 my ($filter, $hops);
1261
1262                 if ($dxchan->{wcyfilter}) {
1263                         ($filter, $hops) = $dxchan->{wcyfilter}->it(@_, $self->{call}, $wcy_dxcc, $wcy_itu, $wcy_cq, $org_dxcc, $org_itu, $org_cq);
1264                          next unless $filter;
1265                 }
1266                 if ($dxchan->is_clx || $dxchan->is_spider || $dxchan->is_dxnet) {
1267                         if ($hops) {
1268                                 $routeit = $line;
1269                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1270                         } else {
1271                                 $routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
1272                                 next unless $routeit;
1273                         }
1274                         if ($filter) {
1275                                 $dxchan->send($routeit) if $routeit;
1276                         } else {
1277                                 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1278                         }
1279                 } elsif ($dxchan->is_user && $dxchan->{wcy}) {
1280                         my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
1281                         $buf .= "\a\a" if $dxchan->{beep};
1282                         if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1283                                 $dxchan->send($buf);
1284                         } else {
1285                                 $dxchan->delay($buf);
1286                         }
1287                 }
1288         }
1289 }
1290
1291 # send an announce
1292 sub send_announce
1293 {
1294         my $self = shift;
1295         my $line = shift;
1296         my @dxchan = DXChannel->get_all();
1297         my $dxchan;
1298         my $text = unpad($_[2]);
1299         my $target;
1300         my $to = 'To ';
1301
1302         if ($_[3] eq '*') {     # sysops
1303                 $target = "SYSOP";
1304         } elsif ($_[3] gt ' ') { # speciality list handling
1305                 my ($name) = split /\./, $_[3];
1306                 $target = "$name"; # put the rest in later (if bothered)
1307         }
1308
1309         if ($_[5] eq '1') {
1310                 $target = "WX";
1311                 $to = '';
1312         }
1313         $target = "ALL" if !$target;
1314
1315         Log('ann', $target, $_[0], $text);
1316
1317         # obtain country codes etc
1318         my ($ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq) = (0..0);
1319         my @dxcc = Prefix::extract($_[0]);
1320         if (@dxcc > 0) {
1321                 $ann_dxcc = $dxcc[1]->dxcc;
1322                 $ann_itu = $dxcc[1]->itu;
1323                 $ann_cq = $dxcc[1]->cq;
1324         }
1325         @dxcc = Prefix::extract($_[4]);
1326         if (@dxcc > 0) {
1327                 $org_dxcc = $dxcc[1]->dxcc;
1328                 $org_itu = $dxcc[1]->itu;
1329                 $org_cq = $dxcc[1]->cq;
1330         }
1331
1332         # send it if it isn't the except list and isn't isolated and still has a hop count
1333         # taking into account filtering and so on
1334         foreach $dxchan (@dxchan) {
1335                 next if $dxchan == $self;
1336                 next if $dxchan == $me;
1337                 my $routeit;
1338                 my ($filter, $hops);
1339
1340                 if ($dxchan->{annfilter}) {
1341                         ($filter, $hops) = $dxchan->{annfilter}->it(@_, $self->{call}, $ann_dxcc, $ann_itu, $ann_cq, $org_dxcc, $org_itu, $org_cq);
1342                         next unless $filter;
1343                 }
1344                 if ($dxchan->is_node && $_[1] ne $main::mycall) {  # i.e not specifically routed to me
1345                         if ($hops) {
1346                                 $routeit = $line;
1347                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1348                         } else {
1349                                 $routeit = adjust_hops($dxchan, $line);  # adjust its hop count by node name
1350                                 next unless $routeit;
1351                         }
1352                         if ($filter) {
1353                                 $dxchan->send($routeit) if $routeit;
1354                         } else {
1355                                 $dxchan->send($routeit) unless $dxchan->{isolate} || $self->{isolate};
1356
1357                         }
1358                 } elsif ($dxchan->is_user) {
1359                         unless ($dxchan->{ann}) {
1360                                 next if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
1361                         }
1362                         next if $target eq 'SYSOP' && $dxchan->{priv} < 5;
1363                         my $buf = "$to$target de $_[0]: $text";
1364                         $buf =~ s/\%5E/^/g;
1365                         $buf .= "\a\a" if $dxchan->{beep};
1366                         if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1367                                 $dxchan->send($buf);
1368                         } else {
1369                                 $dxchan->delay($buf);
1370                         }
1371                 }
1372         }
1373 }
1374
1375 sub send_local_config
1376 {
1377         my $self = shift;
1378         my $n;
1379         my @nodes;
1380         my @localnodes;
1381         my @remotenodes;
1382
1383         dbg('trace', 'DXProt::send_local_config');
1384
1385         # send our nodes
1386         if ($self->{isolate}) {
1387                 @localnodes = ( $main::routeroot );
1388         } else {
1389                 # create a list of all the nodes that are not connected to this connection
1390                 # and are not themselves isolated, this to make sure that isolated nodes
1391         # don't appear outside of this node
1392                 my @dxchan = grep { $_->call ne $main::mycall && $_->call ne $self->{call} } DXChannel::get_all_nodes();
1393                 @localnodes = map { Route::Node::get($_->{call}) or die "connot find node $_->{call}" } @dxchan if @dxchan;
1394                 my @intcalls = map { $_->nodes } @localnodes if @localnodes;
1395                 my $ref = Route::Node::get($self->{call});
1396                 my @rnodes = $ref->nodes;
1397                 for my $n (@intcalls) {
1398                         push @remotenodes, Route::Node::get($n) unless grep $n eq $_, @rnodes;
1399                 }
1400                 unshift @localnodes, $main::routeroot;
1401         }
1402
1403         send_route($self, \&pc19, scalar(@localnodes)+scalar(@remotenodes), @localnodes, @remotenodes);
1404
1405         # get all the users connected on the above nodes and send them out
1406         foreach $n (@localnodes, @remotenodes) {
1407                 send_route($self, \&pc16, 1, $n, map {my $r = Route::User::get($_); $r ? ($r) : ()} $n->users);
1408         }
1409 }
1410
1411 #
1412 # route a message down an appropriate interface for a callsign
1413 #
1414 # is called route(to, pcline);
1415 #
1416 sub route
1417 {
1418         my ($self, $call, $line) = @_;
1419
1420         if (ref $self && $call eq $self->{call}) {
1421                 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1422                 return;
1423         }
1424
1425         # always send it down the local interface if available
1426         my $dxchan = DXChannel->get($call);
1427         unless ($dxchan) {
1428                 my $cl = Route::Node::get($call);
1429                 $dxchan = $cl->dxchan if $cl;
1430                 if (ref $dxchan) {
1431                         if (ref $self && $dxchan eq $self) {
1432                                 dbg('chan', "PCPROT: Trying to route back to source, dropped");
1433                                 return;
1434                         }
1435                 }
1436         }
1437         if ($dxchan) {
1438                 my $routeit = adjust_hops($dxchan, $line);   # adjust its hop count by node name
1439                 if ($routeit) {
1440                         $dxchan->send($routeit);
1441                 }
1442         } else {
1443                 dbg('chan', "PCPROT: No route available, dropped");
1444         }
1445 }
1446
1447 # broadcast a message to all clusters taking into account isolation
1448 # [except those mentioned after buffer]
1449 sub broadcast_ak1a
1450 {
1451         my $s = shift;                          # the line to be rebroadcast
1452         my @except = @_;                        # to all channels EXCEPT these (dxchannel refs)
1453         my @dxchan = DXChannel::get_all_nodes();
1454         my $dxchan;
1455
1456         # send it if it isn't the except list and isn't isolated and still has a hop count
1457         foreach $dxchan (@dxchan) {
1458                 next if grep $dxchan == $_, @except;
1459                 next if $dxchan == $me;
1460
1461                 my $routeit = adjust_hops($dxchan, $s);      # adjust its hop count by node name
1462                 $dxchan->send($routeit) unless $dxchan->{isolate} || !$routeit;
1463         }
1464 }
1465
1466 # broadcast a message to all clusters ignoring isolation
1467 # [except those mentioned after buffer]
1468 sub broadcast_all_ak1a
1469 {
1470         my $s = shift;                          # the line to be rebroadcast
1471         my @except = @_;                        # to all channels EXCEPT these (dxchannel refs)
1472         my @dxchan = DXChannel::get_all_nodes();
1473         my $dxchan;
1474
1475         # send it if it isn't the except list and isn't isolated and still has a hop count
1476         foreach $dxchan (@dxchan) {
1477                 next if grep $dxchan == $_, @except;
1478                 next if $dxchan == $me;
1479
1480                 my $routeit = adjust_hops($dxchan, $s);      # adjust its hop count by node name
1481                 $dxchan->send($routeit);
1482         }
1483 }
1484
1485 # broadcast to all users
1486 # storing the spot or whatever until it is in a state to receive it
1487 sub broadcast_users
1488 {
1489         my $s = shift;                          # the line to be rebroadcast
1490         my $sort = shift;           # the type of transmission
1491         my $fref = shift;           # a reference to an object to filter on
1492         my @except = @_;                        # to all channels EXCEPT these (dxchannel refs)
1493         my @dxchan = DXChannel::get_all_users();
1494         my $dxchan;
1495         my @out;
1496
1497         foreach $dxchan (@dxchan) {
1498                 next if grep $dxchan == $_, @except;
1499                 push @out, $dxchan;
1500         }
1501         broadcast_list($s, $sort, $fref, @out);
1502 }
1503
1504 # broadcast to a list of users
1505 sub broadcast_list
1506 {
1507         my $s = shift;
1508         my $sort = shift;
1509         my $fref = shift;
1510         my $dxchan;
1511
1512         foreach $dxchan (@_) {
1513                 my $filter = 1;
1514                 next if $dxchan == $me;
1515
1516                 if ($sort eq 'dx') {
1517                     next unless $dxchan->{dx};
1518                         ($filter) = $dxchan->{spotsfilter}->it(@{$fref}) if ref $fref;
1519                         next unless $filter;
1520                 }
1521                 next if $sort eq 'ann' && !$dxchan->{ann};
1522                 next if $sort eq 'wwv' && !$dxchan->{wwv};
1523                 next if $sort eq 'wcy' && !$dxchan->{wcy};
1524                 next if $sort eq 'wx' && !$dxchan->{wx};
1525
1526                 $s =~ s/\a//og unless $dxchan->{beep};
1527
1528                 if ($dxchan->{state} eq 'prompt' || $dxchan->{state} eq 'talk') {
1529                         $dxchan->send($s);
1530                 } else {
1531                         $dxchan->delay($s);
1532                 }
1533         }
1534 }
1535
1536
1537 #
1538 # obtain the hops from the list for this callsign and pc no
1539 #
1540
1541 sub get_hops
1542 {
1543         my $pcno = shift;
1544         my $hops = $DXProt::hopcount{$pcno};
1545         $hops = $DXProt::def_hopcount if !$hops;
1546         return "H$hops";
1547 }
1548
1549 #
1550 # adjust the hop count on a per node basis using the user loadable
1551 # hop table if available or else decrement an existing one
1552 #
1553
1554 sub adjust_hops
1555 {
1556         my $self = shift;
1557         my $s = shift;
1558         my $call = $self->{call};
1559         my $hops;
1560
1561         if (($hops) = $s =~ /\^H(\d+)\^~?$/o) {
1562                 my ($pcno) = $s =~ /^PC(\d\d)/o;
1563                 confess "$call called adjust_hops with '$s'" unless $pcno;
1564                 my $ref = $nodehops{$call} if %nodehops;
1565                 if ($ref) {
1566                         my $newhops = $ref->{$pcno};
1567                         return "" if defined $newhops && $newhops == 0;
1568                         $newhops = $ref->{default} unless $newhops;
1569                         return "" if defined $newhops && $newhops == 0;
1570                         $newhops = $hops if !$newhops;
1571                         $s =~ s/\^H(\d+)(\^~?)$/\^H$newhops$2/ if $newhops;
1572                 } else {
1573                         # simply decrement it
1574                         $hops--;
1575                         return "" if !$hops;
1576                         $s =~ s/\^H(\d+)(\^~?)$/\^H$hops$2/ if $hops;
1577                 }
1578         }
1579         return $s;
1580 }
1581
1582 #
1583 # load hop tables
1584 #
1585 sub load_hops
1586 {
1587         my $self = shift;
1588         return $self->msg('lh1') unless -e "$main::data/hop_table.pl";
1589         do "$main::data/hop_table.pl";
1590         return $@ if $@;
1591         return 0;
1592 }
1593
1594
1595 # add a ping request to the ping queues
1596 sub addping
1597 {
1598         my ($from, $to) = @_;
1599         my $ref = $pings{$to} || [];
1600         my $r = {};
1601         $r->{call} = $from;
1602         $r->{t} = [ gettimeofday ];
1603         route(undef, $to, pc51($to, $main::mycall, 1));
1604         push @$ref, $r;
1605         $pings{$to} = $ref;
1606 }
1607
1608 # add a rcmd request to the rcmd queues
1609 sub addrcmd
1610 {
1611         my ($self, $to, $cmd) = @_;
1612
1613         my $r = {};
1614         $r->{call} = $self->{call};
1615         $r->{t} = $main::systime;
1616         $r->{cmd} = $cmd;
1617         $rcmds{$to} = $r;
1618
1619         my $ref = Route::Node::get($to);
1620         my $dxchan = $ref->dxchan;
1621     if ($dxchan && $dxchan->is_clx) {
1622                 route(undef, $to, pc84($main::mycall, $to, $self->{call}, $cmd));
1623         } else {
1624                 route(undef, $to, pc34($main::mycall, $to, $cmd));
1625         }
1626 }
1627
1628 sub disconnect
1629 {
1630         my $self = shift;
1631         my $pc39flag = shift;
1632         my $call = $self->call;
1633
1634         unless ($pc39flag && $pc39flag == 1) {
1635                 $self->send_now("D", DXProt::pc39($main::mycall, $self->msg('disc1', "System Op")));
1636         }
1637
1638         # do routing stuff
1639 #       my $node = Route::Node::get($self->{call});
1640 #       my @rout = $node->del_nodes if $node;
1641         my @rout = $main::routeroot->del_node($call);
1642         dbg('route', "B/C PC21 (from PC39) for: " . join(',', (map{ $_->call } @rout))) if @rout;
1643
1644         # unbusy and stop and outgoing mail
1645         my $mref = DXMsg::get_busy($call);
1646         $mref->stop_msg($call) if $mref;
1647
1648         # broadcast to all other nodes that all the nodes connected to via me are gone
1649         unless ($pc39flag && $pc39flag == 2) {
1650                 $self->route_pc21(@rout) if @rout;
1651         }
1652
1653         # remove outstanding pings
1654         delete $pings{$call};
1655
1656         # I was the last node visited
1657     $self->user->node($main::mycall);
1658
1659         # send info to all logged in thingies
1660         $self->tell_login('logoutn');
1661
1662         Log('DXProt', $call . " Disconnected");
1663
1664         $self->SUPER::disconnect;
1665 }
1666
1667
1668 #
1669 # send a talk message to this thingy
1670 #
1671 sub talk
1672 {
1673         my ($self, $from, $to, $via, $line) = @_;
1674
1675         $line =~ s/\^/\\5E/g;                   # remove any ^ characters
1676         $self->send(DXProt::pc10($from, $to, $via, $line));
1677         Log('talk', $self->call, $from, $via?$via:$main::mycall, $line);
1678 }
1679
1680 # send it if it isn't the except list and isn't isolated and still has a hop count
1681 # taking into account filtering and so on
1682 sub send_route
1683 {
1684         my $self = shift;
1685         my $generate = shift;
1686         my $no = shift;     # the no of things to filter on
1687         my $routeit;
1688         my ($filter, $hops);
1689         my @rin;
1690
1691         if ($self->{routefilter}) {
1692                 for (; @_ && $no; $no--) {
1693                         my $r = shift;
1694                         ($filter, $hops) = $self->{routefilter}->it($self->{call}, $self->{dxcc}, $self->{itu}, $self->{cq}, $r->call, $r->dxcc, $r->itu, $r->cq);
1695                         push @rin, $r if $filter;
1696                 }
1697         }
1698         if (@rin) {
1699                 foreach my $line (&$generate(@rin, @_)) {
1700                         if ($hops) {
1701                                 $routeit = $line;
1702                                 $routeit =~ s/\^H\d+\^\~$/\^H$hops\^\~/;
1703                         } else {
1704                                 $routeit = adjust_hops($self, $line);  # adjust its hop count by node name
1705                                 next unless $routeit;
1706                         }
1707                         $self->send($routeit);
1708                 }
1709         }
1710 }
1711
1712 sub broadcast_route
1713 {
1714         my $self = shift;
1715         my $generate = shift;
1716         my @dxchan = DXChannel::get_all_nodes();
1717         my $dxchan;
1718         my $line;
1719
1720         foreach $dxchan (@dxchan) {
1721                 next if $dxchan == $self;
1722                 next if $dxchan == $me;
1723                 $dxchan->send_route($generate, @_);
1724         }
1725 }
1726
1727 sub route_pc16
1728 {
1729         my $self = shift;
1730         broadcast_route($self, \&pc16, 1, @_);
1731 }
1732
1733 sub route_pc17
1734 {
1735         my $self = shift;
1736         broadcast_route($self, \&pc17, 1, @_);
1737 }
1738
1739 sub route_pc19
1740 {
1741         my $self = shift;
1742         broadcast_route($self, \&pc19, scalar @_, @_);
1743 }
1744
1745 sub route_pc21
1746 {
1747         my $self = shift;
1748         broadcast_route($self, \&pc21, scalar @_, @_);
1749 }
1750
1751 1;
1752 __END__