perl/DXCommandmode.pm

   1 #!/usr/bin/perl
   2 #
   3 # This module impliments the user facing command mode for a dx cluster
   4 #
   5 # Copyright (c) 1998 Dirk Koopman G1TLH
   6 #
   7 # $Id$
   8 #
   9
  10 package DXCommandmode;
  11
  12 use POSIX;
  13
  14 @ISA = qw(DXChannel);
  15
  16 use DXUtil;
  17 use DXChannel;
  18 use DXUser;
  19 use DXVars;
  20 use DXDebug;
  21 use DXM;
  22 use DXLog;
  23 use DXLogPrint;
  24 use DXBearing;
  25 use CmdAlias;
  26 use Filter;
  27 use Minimuf;
  28 use DXDb;
  29 use AnnTalk;
  30 use WCY;
  31 use Sun;
  32 use Internet;
  33 use Script;
  34
  35
  36 use strict;
  37 use vars qw(%Cache %cmd_cache $errstr %aliases $scriptbase $maxerrors %nothereslug);
  38
  39 %Cache = ();                                    # cache of dynamically loaded routine's mod times
  40 %cmd_cache = ();                                # cache of short names
  41 $errstr = ();                                   # error string from eval
  42 %aliases = ();                                  # aliases for (parts of) commands
  43 $scriptbase = "$main::root/scripts"; # the place where all users start scripts go
  44 $maxerrors = 20;                                # the maximum number of concurrent errors allowed before disconnection
  45
  46 use vars qw($VERSION $BRANCH);
  47 $VERSION = sprintf( "%d.%03d", q$Revision$ =~ /(\d+)\.(\d+)/ );
  48 $BRANCH = sprintf( "%d.%03d", q$Revision$ =~ /\d+\.\d+\.(\d+)\.(\d+)/ ) || 0;
  49 $main::build += $VERSION;
  50 $main::branch += $BRANCH;
  51
  52 #
  53 # obtain a new connection this is derived from dxchannel
  54 #
  55
  56 sub new
  57 {
  58         my $self = DXChannel::alloc(@_);
  59
  60         # routing, this must go out here to prevent race condx
  61         my $pkg = shift;
  62         my $call = shift;
  63         my @rout = $main::routeroot->add_user($call, Route::here(1));
  64         DXProt::route_pc16($main::me, $main::routeroot, @rout) if @rout;
  65
  66         return $self;
  67 }
  68
  69 # this is how a a connection starts, you get a hello message and the motd with
  70 # possibly some other messages asking you to set various things up if you are
  71 # new (or nearly new and slacking) user.
  72
  73 sub start
  74 {
  75         my ($self, $line, $sort) = @_;
  76         my $user = $self->{user};
  77         my $call = $self->{call};
  78         my $name = $user->{name};
  79
  80         # log it
  81         my $host = $self->{conn}->{peerhost} || "unknown";
  82         Log('DXCommand', "$call connected from $host");
  83
  84         $self->{name} = $name ? $name : $call;
  85         $self->send($self->msg('l2',$self->{name}));
  86         $self->send_file($main::motd) if (-e $main::motd);
  87         $self->state('prompt');         # a bit of room for further expansion, passwords etc
  88         $self->{priv} = $user->priv || 0;
  89         $self->{lang} = $user->lang || $main::lang || 'en';
  90         $self->{pagelth} = $user->pagelth || 20;
  91         $self->{priv} = 0 if $line =~ /^(ax|te)/; # set the connection priv to 0 - can be upgraded later
  92         ($self->{width}) = $line =~ /width=(\d+)/;
  93         $self->{width} = 80 unless $self->{width} && $self->{width} > 80;
  94         $self->{consort} = $line;       # save the connection type
  95
  96         # set some necessary flags on the user if they are connecting
  97         $self->{beep} = $user->wantbeep;
  98         $self->{ann} = $user->wantann;
  99         $self->{wwv} = $user->wantwwv;
 100         $self->{wcy} = $user->wantwcy;
 101         $self->{talk} = $user->wanttalk;
 102         $self->{wx} = $user->wantwx;
 103         $self->{dx} = $user->wantdx;
 104         $self->{logininfo} = $user->wantlogininfo;
 105         $self->{ann_talk} = $user->wantann_talk;
 106         $self->{here} = 1;
 107
 108         # get the filters
 109         $self->{spotsfilter} = Filter::read_in('spots', $call, 0) || Filter::read_in('spots', 'user_default', 0);
 110         $self->{wwvfilter} = Filter::read_in('wwv', $call, 0) || Filter::read_in('wwv', 'user_default', 0);
 111         $self->{wcyfilter} = Filter::read_in('wcy', $call, 0) || Filter::read_in('wcy', 'user_default', 0);
 112         $self->{annfilter} = Filter::read_in('ann', $call, 0) || Filter::read_in('ann', 'user_default', 0) ;
 113
 114         # clean up qra locators
 115         my $qra = $user->qra;
 116         $qra = undef if ($qra && !DXBearing::is_qra($qra));
 117         unless ($qra) {
 118                 my $lat = $user->lat;
 119                 my $long = $user->long;
 120                 $user->qra(DXBearing::lltoqra($lat, $long)) if (defined $lat && defined $long);
 121         }
 122
 123         # decide on echo
 124         if (!$user->wantecho) {
 125                 $self->send_now('E', "0");
 126                 $self->send($self->msg('echow'));
 127         }
 128
 129         $self->tell_login('loginu');
 130
 131         # do we need to send a forward/opernam?
 132         my $lastoper = $user->lastoper || 0;
 133         my $homenode = $user->homenode || "";
 134         if ($homenode eq $main::mycall && $lastoper + $DXUser::lastoperinterval < $main::systime) {
 135                 run_cmd($main::me, "forward/opernam $call");
 136                 $user->lastoper($main::systime);
 137         }
 138
 139         # run a script send the output to the punter
 140         my $script = new Script(lc $call) || new Script('user_default');
 141         $script->run($self) if $script;
 142
 143         # send cluster info
 144         my $info = Route::cluster();
 145         $self->send("Cluster:$info");
 146
 147         # send prompts and things
 148         $self->send($self->msg('namee1')) if !$user->name;
 149         $self->send($self->msg('qthe1')) if !$user->qth;
 150         $self->send($self->msg('qll')) if !$user->qra || (!$user->lat && !$user->long);
 151         $self->send($self->msg('hnodee1')) if !$user->qth;
 152         $self->send($self->msg('m9')) if DXMsg::for_me($call);
 153         $self->prompt;
 154 }
 155
 156 #
 157 # This is the normal command prompt driver
 158 #
 159
 160 sub normal
 161 {
 162         my $self = shift;
 163         my $cmdline = shift;
 164         my @ans;
 165
 166         # remove leading and trailing spaces
 167         $cmdline =~ s/^\s*(.*)\s*$/$1/;
 168
 169         if ($self->{state} eq 'page') {
 170                 my $i = $self->{pagelth};
 171                 my $ref = $self->{pagedata};
 172                 my $tot = @$ref;
 173
 174                 # abort if we get a line starting in with a
 175                 if ($cmdline =~ /^a/io) {
 176                         undef $ref;
 177                         $i = 0;
 178                 }
 179
 180                 # send a tranche of data
 181                 while ($i-- > 0 && @$ref) {
 182                         my $line = shift @$ref;
 183                         $line =~ s/\s+$//o;     # why am having to do this?
 184                         $self->send($line);
 185                 }
 186
 187                 # reset state if none or else chuck out an intermediate prompt
 188                 if ($ref && @$ref) {
 189                         $tot -= $self->{pagelth};
 190                         $self->send($self->msg('page', $tot));
 191                 } else {
 192                         $self->state('prompt');
 193                 }
 194         } elsif ($self->{state} eq 'sysop') {
 195                 my $passwd = $self->{user}->passwd;
 196                 my @pw = split / */, $passwd;
 197                 if ($passwd) {
 198                         my @l = @{$self->{passwd}};
 199                         my $str = "$pw[$l[0]].*$pw[$l[1]].*$pw[$l[2]].*$pw[$l[3]].*$pw[$l[4]]";
 200                         if ($cmdline =~ /$str/) {
 201                                 $self->{priv} = $self->{user}->priv;
 202                         } else {
 203                                 $self->send($self->msg('sorry'));
 204                         }
 205                 } else {
 206                         $self->send($self->msg('sorry'));
 207                 }
 208                 delete $self->{passwd};
 209                 $self->state('prompt');
 210         } elsif ($self->{state} eq 'talk') {
 211                 if ($cmdline =~ m{^(?:/EX|/ABORT)}i) {
 212                         for (@{$self->{talklist}}) {
 213                                 $self->send_talks($_,  $self->msg('talkend'));
 214                         }
 215                         $self->state('prompt');
 216                         delete $self->{talklist};
 217                 } elsif ($cmdline =~ m(^/\w+)) {
 218                         $cmdline =~ s(^/)();
 219                         $self->send_ans(run_cmd($self, $cmdline));
 220                         $self->send($self->talk_prompt);
 221                 } elsif ($self->{talklist} && @{$self->{talklist}}) {
 222                         # send what has been said to whoever is in this person's talk list
 223                         for (@{$self->{talklist}}) {
 224                                 $self->send_talks($_, $cmdline);
 225                         }
 226                         $self->send($self->talk_prompt) if $self->{state} eq 'talk';
 227                 } else {
 228                         # for safety
 229                         $self->state('prompt');
 230                 }
 231         } elsif (my $func = $self->{func}) {
 232                 no strict 'refs';
 233                 my @ans;
 234                 if (ref $self->{edit}) {
 235                         eval { @ans = $self->{edit}->$func($self, $cmdline)};
 236                 } else {
 237                         eval {  @ans = &{$self->{func}}($self, $cmdline) };
 238                 }
 239                 $self->send_ans("Syserr: on stored func $self->{func}", $@) if $@;
 240         } else {
 241                 $self->send_ans(run_cmd($self, $cmdline));
 242         }
 243
 244         # send a prompt only if we are in a prompt state
 245         $self->prompt() if $self->{state} =~ /^prompt/o;
 246 }
 247
 248 # send out the talk messages taking into account vias and connectivity
 249 sub send_talks
 250 {
 251         my ($self, $ent, $line) = @_;
 252
 253         my ($to, $via) = $ent =~ /(\S+)>(\S+)/;
 254         $to = $ent unless $to;
 255         my $call = $via ? $via : $to;
 256         my $clref = Route::get($call);
 257         my $dxchan = $clref->dxchan if $clref;
 258         if ($dxchan) {
 259                 $dxchan->talk($self->{call}, $to, $via, $line);
 260         } else {
 261                 $self->send($self->msg('disc2', $via ? $via : $to));
 262                 my @l = grep { $_ ne $ent } @{$self->{talklist}};
 263                 if (@l) {
 264                         $self->{talklist} = \@l;
 265                 } else {
 266                         delete $self->{talklist};
 267                         $self->state('prompt');
 268                 }
 269         }
 270 }
 271
 272 sub talk_prompt
 273 {
 274         my $self = shift;
 275         my @call;
 276         for (@{$self->{talklist}}) {
 277                 my ($to, $via) = /(\S+)>(\S+)/;
 278                 $to = $_ unless $to;
 279                 push @call, $to;
 280         }
 281         return $self->msg('talkprompt', join(',', @call));
 282 }
 283
 284 #
 285 # send a load of stuff to a command user with page prompting
 286 # and stuff
 287 #
 288
 289 sub send_ans
 290 {
 291         my $self = shift;
 292
 293         if ($self->{pagelth} && @_ > $self->{pagelth}) {
 294                 my $i;
 295                 for ($i = $self->{pagelth}; $i-- > 0; ) {
 296                         my $line = shift @_;
 297                         $line =~ s/\s+$//o;     # why am having to do this?
 298                         $self->send($line);
 299                 }
 300                 $self->{pagedata} =  [ @_ ];
 301                 $self->state('page');
 302                 $self->send($self->msg('page', scalar @_));
 303         } else {
 304                 for (@_) {
 305                         if (defined $_) {
 306                                 $self->send($_);
 307                         } else {
 308                                 $self->send('');
 309                         }
 310                 }
 311         }
 312 }
 313 #
 314 # this is the thing that runs the command, it is done like this for the
 315 # benefit of remote command execution
 316 #
 317
 318 sub run_cmd
 319 {
 320         my $self = shift;
 321         my $user = $self->{user};
 322         my $call = $self->{call};
 323         my $cmdline = shift;
 324         my @ans;
 325
 326
 327         return () if length $cmdline == 0;
 328
 329         # strip out //
 330         $cmdline =~ s|//|/|og;
 331
 332         # split the command line up into parts, the first part is the command
 333         my ($cmd, $args) = split /\s+/, $cmdline, 2;
 334         $args = "" unless defined $args;
 335
 336         if ($cmd) {
 337
 338                 my ($path, $fcmd);
 339
 340                 dbg("cmd: $cmd") if isdbg('command');
 341
 342                 # alias it if possible
 343                 my $acmd = CmdAlias::get_cmd($cmd);
 344                 if ($acmd) {
 345                         ($cmd, $args) = split /\s+/, "$acmd $args", 2;
 346                         $args = "" unless defined $args;
 347                         dbg("aliased cmd: $cmd $args") if isdbg('command');
 348                 }
 349
 350                 # first expand out the entry to a command
 351                 ($path, $fcmd) = search($main::localcmd, $cmd, "pl");
 352                 ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd;
 353
 354                 if ($path && $cmd) {
 355                         dbg("path: $cmd cmd: $fcmd") if isdbg('command');
 356
 357                         my $package = find_cmd_name($path, $fcmd);
 358                         return ($@) if $@;
 359
 360                         if ($package) {
 361                                 no strict 'refs';
 362                                 dbg("package: $package") if isdbg('command');
 363                                 eval { @ans = &$package($self, $args) };
 364                                 return (DXDebug::shortmess($@)) if $@;
 365                         }
 366                 } else {
 367                         dbg("cmd: $cmd not found") if isdbg('command');
 368                         if (++$self->{errors} > $maxerrors) {
 369                                 $self->send($self->msg('e26'));
 370                                 $self->disconnect;
 371                                 return ();
 372                         } else {
 373                                 return ($self->msg('e1'));
 374                         }
 375                 }
 376         }
 377
 378         my $ok = shift @ans;
 379         if ($ok) {
 380                 delete $self->{errors};
 381         } else {
 382                 if (++$self->{errors} > $maxerrors) {
 383                         $self->send($self->msg('e26'));
 384                         $self->disconnect;
 385                         return ();
 386                 }
 387         }
 388         return (@ans);
 389 }
 390
 391 #
 392 # This is called from inside the main cluster processing loop and is used
 393 # for despatching commands that are doing some long processing job
 394 #
 395 sub process
 396 {
 397         my $t = time;
 398         my @dxchan = DXChannel->get_all();
 399         my $dxchan;
 400
 401         foreach $dxchan (@dxchan) {
 402                 next if $dxchan->sort ne 'U';
 403
 404                 # send a prompt if no activity out on this channel
 405                 if ($t >= $dxchan->t + $main::user_interval) {
 406                         $dxchan->prompt() if $dxchan->{state} =~ /^prompt/o;
 407                         $dxchan->t($t);
 408                 }
 409         }
 410
 411         while (my ($k, $v) = each %nothereslug) {
 412                 if ($main::systime >= $v + 300) {
 413                         delete $nothereslug{$k};
 414                 }
 415         }
 416 }
 417
 418 #
 419 # finish up a user context
 420 #
 421 sub disconnect
 422 {
 423         my $self = shift;
 424         my $call = $self->call;
 425
 426         return if $self->{disconnecting}++;
 427
 428         delete $self->{senddbg};
 429
 430         my $uref = Route::User::get($call);
 431         my @rout;
 432         if ($uref) {
 433                 @rout = $main::routeroot->del_user($uref);
 434                 dbg("B/C PC17 on $main::mycall for: $call") if isdbg('route');
 435         } else {
 436                 confess "trying to disconnect a non existant user $call";
 437         }
 438
 439         # issue a pc17 to everybody interested
 440         DXProt::route_pc17($main::me, $main::routeroot, @rout) if @rout;
 441
 442         # I was the last node visited
 443     $self->user->node($main::mycall);
 444
 445         # send info to all logged in thingies
 446         $self->tell_login('logoutu');
 447
 448         Log('DXCommand', "$call disconnected");
 449
 450         $self->SUPER::disconnect;
 451 }
 452
 453 #
 454 # short cut to output a prompt
 455 #
 456
 457 sub prompt
 458 {
 459         my $self = shift;
 460         $self->send($self->msg($self->here ? 'pr' : 'pr2', $self->call, cldate($main::systime), ztime($main::systime)));
 461 }
 462
 463 # broadcast a message to all users [except those mentioned after buffer]
 464 sub broadcast
 465 {
 466         my $pkg = shift;                        # ignored
 467         my $s = shift;                          # the line to be rebroadcast
 468
 469     foreach my $dxchan (DXChannel->get_all()) {
 470                 next unless $dxchan->{sort} eq 'U'; # only interested in user channels
 471                 next if grep $dxchan == $_, @_;
 472                 $dxchan->send($s);                      # send it
 473         }
 474 }
 475
 476 # gimme all the users
 477 sub get_all
 478 {
 479         return grep {$_->{sort} eq 'U'} DXChannel->get_all();
 480 }
 481
 482 # run a script for this user
 483 sub run_script
 484 {
 485         my $self = shift;
 486         my $silent = shift || 0;
 487
 488 }
 489
 490 #
 491 # search for the command in the cache of short->long form commands
 492 #
 493
 494 sub search
 495 {
 496         my ($path, $short_cmd, $suffix) = @_;
 497         my ($apath, $acmd);
 498
 499         # commands are lower case
 500         $short_cmd = lc $short_cmd;
 501         dbg("command: $path $short_cmd\n") if isdbg('command');
 502
 503         # do some checking for funny characters
 504         return () if $short_cmd =~ /\/$/;
 505
 506         # return immediately if we have it
 507         ($apath, $acmd) = split ',', $cmd_cache{$short_cmd} if $cmd_cache{$short_cmd};
 508         if ($apath && $acmd) {
 509                 dbg("cached $short_cmd = ($apath, $acmd)\n") if isdbg('command');
 510                 return ($apath, $acmd);
 511         }
 512
 513         # if not guess
 514         my @parts = split '/', $short_cmd;
 515         my $dirfn;
 516         my $curdir = $path;
 517         my $p;
 518         my $i;
 519         my @lparts;
 520
 521         for ($i = 0; $i < @parts; $i++) {
 522                 my  $p = $parts[$i];
 523                 opendir(D, $curdir) or confess "can't open $curdir $!";
 524                 my @ls = readdir D;
 525                 closedir D;
 526                 my $l;
 527                 foreach $l (sort @ls) {
 528                         next if $l =~ /^\./;
 529                         if ($i < $#parts) {             # we are dealing with directories
 530                                 if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) {
 531                                         dbg("got dir: $curdir/$l\n") if isdbg('command');
 532                                         $dirfn .= "$l/";
 533                                         $curdir .= "/$l";
 534                                         last;
 535                                 }
 536                         } else {                        # we are dealing with commands
 537                                 @lparts = split /\./, $l;
 538                                 next if $lparts[$#lparts] ne $suffix;        # only look for .$suffix files
 539                                 if ($p eq substr($l, 0, length $p)) {
 540                                         pop @lparts; #  remove the suffix
 541                                         $l = join '.', @lparts;
 542                                         #                 chop $dirfn;               # remove trailing /
 543                                         $dirfn = "" unless $dirfn;
 544                                         $cmd_cache{$short_cmd} = join(',', ($path, "$dirfn$l")); # cache it
 545                                         dbg("got path: $path cmd: $dirfn$l\n") if isdbg('command');
 546                                         return ($path, "$dirfn$l");
 547                                 }
 548                         }
 549                 }
 550         }
 551         return ();
 552 }
 553
 554 # clear the command name cache
 555 sub clear_cmd_cache
 556 {
 557         no strict 'refs';
 558
 559         for (keys %Cache) {
 560                 undef *{$_};
 561         }
 562         %cmd_cache = ();
 563         %Cache = ();
 564 }
 565
 566 #
 567 # the persistant execution of things from the command directories
 568 #
 569 #
 570 # This allows perl programs to call functions dynamically
 571 #
 572 # This has been nicked directly from the perlembed pages
 573 #
 574
 575 #require Devel::Symdump;
 576
 577 sub valid_package_name {
 578         my($string) = @_;
 579         $string =~ s|([^A-Za-z0-9_/])|sprintf("_%2x",unpack("C",$1))|eg;
 580
 581         $string =~ s|/|_|g;
 582         return "cmd_$string";
 583 }
 584
 585 #
 586 # this bit of magic finds a command in the offered directory
 587 sub find_cmd_name {
 588         my $path = shift;
 589         my $cmdname = shift;
 590         my $package = valid_package_name($cmdname);
 591         my $filename = "$path/$cmdname.pl";
 592         my $mtime = -M $filename;
 593
 594         # return if we can't find it
 595         $errstr = undef;
 596         unless (defined $mtime) {
 597                 $errstr = DXM::msg('e1');
 598                 return undef;
 599         }
 600
 601         if(defined $Cache{$package}->{mtime} &&$Cache{$package}->{mtime} <= $mtime) {
 602                 #we have compiled this subroutine already,
 603                 #it has not been updated on disk, nothing left to do
 604                 #print STDERR "already compiled $package->handler\n";
 605                 ;
 606         } else {
 607
 608                 my $sub = readfilestr($filename);
 609                 unless ($sub) {
 610                         $errstr = "Syserr: can't open '$filename' $!";
 611                         return undef;
 612                 };
 613
 614                 #wrap the code into a subroutine inside our unique package
 615                 my $eval = qq( sub $package { $sub } );
 616
 617                 if (isdbg('eval')) {
 618                         my @list = split /\n/, $eval;
 619                         my $line;
 620                         for (@list) {
 621                                 dbg($_ . "\n") if isdbg('eval');
 622                         }
 623                 }
 624
 625                 # get rid of any existing sub and try to compile the new one
 626                 no strict 'refs';
 627
 628                 dbg("[Re]defining $package") if isdbg('command');
 629                 undef *$package;
 630                 eval $eval;
 631
 632                 $Cache{$package} = {mtime => $mtime };
 633
 634         }
 635
 636         return $package;
 637 }
 638
 639 sub local_send
 640 {
 641         my ($self, $let, $buf) = @_;
 642         if ($self->{state} eq 'prompt' || $self->{state} eq 'talk') {
 643                 if ($self->{enhanced}) {
 644                         $self->send_later($let, $buf);
 645                 } else {
 646                         $self->send($buf);
 647                 }
 648         } else {
 649                 $self->delay($buf);
 650         }
 651 }
 652
 653 # send a talk message here
 654 sub talk
 655 {
 656         my ($self, $from, $to, $via, $line) = @_;
 657         $line =~ s/\\5E/\^/g;
 658         $self->local_send('T', "$to de $from: $line") if $self->{talk};
 659         Log('talk', $to, $from, $main::mycall, $line);
 660         # send a 'not here' message if required
 661         unless ($self->{here} && $from ne $to) {
 662                 my $key = "$to$from";
 663                 unless (exists $nothereslug{$key}) {
 664                         my ($ref, $dxchan);
 665                         if (($ref = Route::get($from)) && ($dxchan = $ref->dxchan)) {
 666                                 my $name = $self->user->name || $to;
 667                                 my $s = $self->user->nothere || $dxchan->msg('nothere', $name);
 668                                 $nothereslug{$key} = $main::systime;
 669                                 $dxchan->talk($to, $from, undef, $s);
 670                         }
 671                 }
 672         }
 673 }
 674
 675 # send an announce
 676 sub announce
 677 {
 678         my $self = shift;
 679         my $line = shift;
 680         my $isolate = shift;
 681         my $to = shift;
 682         my $target = shift;
 683         my $text = shift;
 684         my ($filter, $hops);
 685
 686         if (!$self->{ann_talk} && $to ne $self->{call}) {
 687                 my $call = AnnTalk::is_talk_candidate($_[0], $text);
 688                 return if $call;
 689         }
 690
 691         if ($self->{annfilter}) {
 692                 ($filter, $hops) = $self->{annfilter}->it(@_ );
 693                 return unless $filter;
 694         }
 695
 696         unless ($self->{ann}) {
 697                 return if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
 698         }
 699         return if $target eq 'SYSOP' && $self->{priv} < 5;
 700         my $buf = "$to$target de $_[0]: $text";
 701         $buf =~ s/\%5E/^/g;
 702         $buf .= "\a\a" if $self->{beep};
 703         $self->local_send($target eq 'WX' ? 'W' : 'N', $buf);
 704 }
 705
 706 # send a dx spot
 707 sub dx_spot
 708 {
 709         my $self = shift;
 710         my $line = shift;
 711         my $isolate = shift;
 712         my ($filter, $hops);
 713
 714         return unless $self->{dx};
 715
 716         if ($self->{spotsfilter}) {
 717                 ($filter, $hops) = $self->{spotsfilter}->it(@_ );
 718                 return unless $filter;
 719         }
 720
 721         my $buf = Spot::formatb($self->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
 722         $buf .= "\a\a" if $self->{beep};
 723         $buf =~ s/\%5E/^/g;
 724         $self->local_send('X', $buf);
 725 }
 726
 727 sub wwv
 728 {
 729         my $self = shift;
 730         my $line = shift;
 731         my $isolate = shift;
 732         my ($filter, $hops);
 733
 734         return unless $self->{wwv};
 735
 736         if ($self->{wwvfilter}) {
 737                 ($filter, $hops) = $self->{wwvfilter}->it(@_ );
 738                 return unless $filter;
 739         }
 740
 741         my $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
 742         $buf .= "\a\a" if $self->{beep};
 743         $self->local_send('V', $buf);
 744 }
 745
 746 sub wcy
 747 {
 748         my $self = shift;
 749         my $line = shift;
 750         my $isolate = shift;
 751         my ($filter, $hops);
 752
 753         return unless $self->{wcy};
 754
 755         if ($self->{wcyfilter}) {
 756                 ($filter, $hops) = $self->{wcyfilter}->it(@_ );
 757                 return unless $filter;
 758         }
 759
 760         my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
 761         $buf .= "\a\a" if $self->{beep};
 762         $self->local_send('Y', $buf);
 763 }
 764
 765 # broadcast debug stuff to all interested parties
 766 sub broadcast_debug
 767 {
 768         my $s = shift;                          # the line to be rebroadcast
 769
 770         foreach my $dxchan (DXChannel->get_all) {
 771                 next unless $dxchan->{enhanced} && $dxchan->{senddbg};
 772                 $dxchan->send_later('L', $s);
 773         }
 774 }
 775
 776
 777 1;
 778 __END__