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($DXProt::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         # send prompts and things
 124         my $info = Route::cluster();
 125         $self->send("Cluster:$info");
 126         $self->send($self->msg('namee1')) if !$user->name;
 127         $self->send($self->msg('qthe1')) if !$user->qth;
 128         $self->send($self->msg('qll')) if !$user->qra || (!$user->lat && !$user->long);
 129         $self->send($self->msg('hnodee1')) if !$user->qth;
 130         $self->send($self->msg('m9')) if DXMsg::for_me($call);
 131         $self->prompt;
 132
 133         # decide on echo
 134         if (!$user->wantecho) {
 135                 $self->send_now('E', "0");
 136                 $self->send($self->msg('echow'));
 137         }
 138
 139         $self->tell_login('loginu');
 140
 141         # do we need to send a forward/opernam?
 142         my $lastoper = $user->lastoper || 0;
 143         my $homenode = $user->homenode || "";
 144         if ($homenode eq $main::mycall && $lastoper + $DXUser::lastoperinterval < $main::systime) {
 145                 run_cmd($DXProt::me, "forward/opernam $call");
 146                 $user->lastoper($main::systime);
 147         }
 148
 149         # run a script send the output to the punter
 150         my $script = new Script(lc $call) || new Script('user_default');
 151         $script->run($self) if $script;
 152 }
 153
 154 #
 155 # This is the normal command prompt driver
 156 #
 157
 158 sub normal
 159 {
 160         my $self = shift;
 161         my $cmdline = shift;
 162         my @ans;
 163
 164         # remove leading and trailing spaces
 165         $cmdline =~ s/^\s*(.*)\s*$/$1/;
 166
 167         if ($self->{state} eq 'page') {
 168                 my $i = $self->{pagelth};
 169                 my $ref = $self->{pagedata};
 170                 my $tot = @$ref;
 171
 172                 # abort if we get a line starting in with a
 173                 if ($cmdline =~ /^a/io) {
 174                         undef $ref;
 175                         $i = 0;
 176                 }
 177
 178                 # send a tranche of data
 179                 while ($i-- > 0 && @$ref) {
 180                         my $line = shift @$ref;
 181                         $line =~ s/\s+$//o;     # why am having to do this?
 182                         $self->send($line);
 183                 }
 184
 185                 # reset state if none or else chuck out an intermediate prompt
 186                 if ($ref && @$ref) {
 187                         $tot -= $self->{pagelth};
 188                         $self->send($self->msg('page', $tot));
 189                 } else {
 190                         $self->state('prompt');
 191                 }
 192         } elsif ($self->{state} eq 'sysop') {
 193                 my $passwd = $self->{user}->passwd;
 194                 my @pw = split / */, $passwd;
 195                 if ($passwd) {
 196                         my @l = @{$self->{passwd}};
 197                         my $str = "$pw[$l[0]].*$pw[$l[1]].*$pw[$l[2]].*$pw[$l[3]].*$pw[$l[4]]";
 198                         if ($cmdline =~ /$str/) {
 199                                 $self->{priv} = $self->{user}->priv;
 200                         } else {
 201                                 $self->send($self->msg('sorry'));
 202                         }
 203                 } else {
 204                         $self->send($self->msg('sorry'));
 205                 }
 206                 delete $self->{passwd};
 207                 $self->state('prompt');
 208         } elsif ($self->{state} eq 'talk') {
 209                 if ($cmdline =~ m{^(?:/EX|/ABORT)}i) {
 210                         for (@{$self->{talklist}}) {
 211                                 $self->send_talks($_,  $self->msg('talkend'));
 212                         }
 213                         $self->state('prompt');
 214                         delete $self->{talklist};
 215                 } elsif ($cmdline =~ m(^/\w+)) {
 216                         $cmdline =~ s(^/)();
 217                         $self->send_ans(run_cmd($self, $cmdline));
 218                         $self->send($self->talk_prompt);
 219                 } elsif ($self->{talklist} && @{$self->{talklist}}) {
 220                         # send what has been said to whoever is in this person's talk list
 221                         for (@{$self->{talklist}}) {
 222                                 $self->send_talks($_, $cmdline);
 223                         }
 224                         $self->send($self->talk_prompt) if $self->{state} eq 'talk';
 225                 } else {
 226                         # for safety
 227                         $self->state('prompt');
 228                 }
 229         } else {
 230                 $self->send_ans(run_cmd($self, $cmdline));
 231         }
 232
 233         # send a prompt only if we are in a prompt state
 234         $self->prompt() if $self->{state} =~ /^prompt/o;
 235 }
 236
 237 # send out the talk messages taking into account vias and connectivity
 238 sub send_talks
 239 {
 240         my ($self, $ent, $line) = @_;
 241
 242         my ($to, $via) = $ent =~ /(\S+)>(\S+)/;
 243         $to = $ent unless $to;
 244         my $call = $via ? $via : $to;
 245         my $clref = Route::get($call);
 246         my $dxchan = $clref->dxchan if $clref;
 247         if ($dxchan) {
 248                 $dxchan->talk($self->{call}, $to, $via, $line);
 249         } else {
 250                 $self->send($self->msg('disc2', $via ? $via : $to));
 251                 my @l = grep { $_ ne $ent } @{$self->{talklist}};
 252                 if (@l) {
 253                         $self->{talklist} = \@l;
 254                 } else {
 255                         delete $self->{talklist};
 256                         $self->state('prompt');
 257                 }
 258         }
 259 }
 260
 261 sub talk_prompt
 262 {
 263         my $self = shift;
 264         my @call;
 265         for (@{$self->{talklist}}) {
 266                 my ($to, $via) = /(\S+)>(\S+)/;
 267                 $to = $_ unless $to;
 268                 push @call, $to;
 269         }
 270         return $self->msg('talkprompt', join(',', @call));
 271 }
 272
 273 #
 274 # send a load of stuff to a command user with page prompting
 275 # and stuff
 276 #
 277
 278 sub send_ans
 279 {
 280         my $self = shift;
 281
 282         if ($self->{pagelth} && @_ > $self->{pagelth}) {
 283                 my $i;
 284                 for ($i = $self->{pagelth}; $i-- > 0; ) {
 285                         my $line = shift @_;
 286                         $line =~ s/\s+$//o;     # why am having to do this?
 287                         $self->send($line);
 288                 }
 289                 $self->{pagedata} =  [ @_ ];
 290                 $self->state('page');
 291                 $self->send($self->msg('page', scalar @_));
 292         } else {
 293                 for (@_) {
 294                         if (defined $_) {
 295                                 $self->send($_);
 296                         } else {
 297                                 $self->send('');
 298                         }
 299                 }
 300         }
 301 }
 302 #
 303 # this is the thing that runs the command, it is done like this for the
 304 # benefit of remote command execution
 305 #
 306
 307 sub run_cmd
 308 {
 309         my $self = shift;
 310         my $user = $self->{user};
 311         my $call = $self->{call};
 312         my $cmdline = shift;
 313         my @ans;
 314
 315         if ($self->{func}) {
 316                 my $c = qq{ \@ans = $self->{func}(\$self, \$cmdline) };
 317                 dbg("stored func cmd = $c\n") if isdbg('eval');
 318                 eval  $c;
 319                 if ($@) {
 320                         return ("Syserr: Eval err $errstr on stored func $self->{func}", $@);
 321                 }
 322         } else {
 323
 324                 return () if length $cmdline == 0;
 325
 326                 # strip out //
 327                 $cmdline =~ s|//|/|og;
 328
 329                 # split the command line up into parts, the first part is the command
 330                 my ($cmd, $args) = split /\s+/, $cmdline, 2;
 331                 $args = "" unless defined $args;
 332
 333                 if ($cmd) {
 334
 335                         my ($path, $fcmd);
 336
 337                         dbg("cmd: $cmd") if isdbg('command');
 338
 339                         # alias it if possible
 340                         my $acmd = CmdAlias::get_cmd($cmd);
 341                         if ($acmd) {
 342                                 ($cmd, $args) = split /\s+/, "$acmd $args", 2;
 343                                 $args = "" unless defined $args;
 344                                 dbg("aliased cmd: $cmd $args") if isdbg('command');
 345                         }
 346
 347                         # first expand out the entry to a command
 348                         ($path, $fcmd) = search($main::localcmd, $cmd, "pl");
 349                         ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd;
 350
 351                         if ($path && $cmd) {
 352                                 dbg("path: $cmd cmd: $fcmd") if isdbg('command');
 353
 354                                 my $package = find_cmd_name($path, $fcmd);
 355                                 @ans = (0) if !$package ;
 356
 357                                 if ($package) {
 358                                         dbg("package: $package") if isdbg('command');
 359                                         my $c;
 360                                         unless (exists $Cache{$package}->{'sub'}) {
 361                                                 $c = eval $Cache{$package}->{'eval'};
 362                                                 if ($@) {
 363                                                         return DXDebug::shortmess($@);
 364                                                 }
 365                                                 $Cache{$package}->{'sub'} = $c;
 366                                         }
 367                                         $c = $Cache{$package}->{'sub'};
 368                                         eval {
 369                                                 @ans = &{$c}($self, $args);
 370                                     };
 371
 372                                         if ($@) {
 373                                                 #cluck($@);
 374                                                 return (DXDebug::shortmess($@));
 375                                         };
 376                                 }
 377                         } else {
 378                                 dbg("cmd: $cmd not found") if isdbg('command');
 379                                 if (++$self->{errors} > $maxerrors) {
 380                                         $self->send($self->msg('e26'));
 381                                         $self->disconnect;
 382                                         return ();
 383                                 } else {
 384                                         return ($self->msg('e1'));
 385                                 }
 386                         }
 387                 }
 388         }
 389
 390         my $ok = shift @ans;
 391         if ($ok) {
 392                 delete $self->{errors};
 393         } else {
 394                 if (++$self->{errors} > $maxerrors) {
 395                         $self->send($self->msg('e26'));
 396                         $self->disconnect;
 397                         return ();
 398                 }
 399         }
 400         return (@ans);
 401 }
 402
 403 #
 404 # This is called from inside the main cluster processing loop and is used
 405 # for despatching commands that are doing some long processing job
 406 #
 407 sub process
 408 {
 409         my $t = time;
 410         my @dxchan = DXChannel->get_all();
 411         my $dxchan;
 412
 413         foreach $dxchan (@dxchan) {
 414                 next if $dxchan->sort ne 'U';
 415
 416                 # send a prompt if no activity out on this channel
 417                 if ($t >= $dxchan->t + $main::user_interval) {
 418                         $dxchan->prompt() if $dxchan->{state} =~ /^prompt/o;
 419                         $dxchan->t($t);
 420                 }
 421         }
 422
 423         while (my ($k, $v) = each %nothereslug) {
 424                 if ($main::systime >= $v + 300) {
 425                         delete $nothereslug{$k};
 426                 }
 427         }
 428 }
 429
 430 #
 431 # finish up a user context
 432 #
 433 sub disconnect
 434 {
 435         my $self = shift;
 436         my $call = $self->call;
 437
 438         return if $self->{disconnecting}++;
 439
 440         delete $self->{senddbg};
 441
 442         my $uref = Route::User::get($call);
 443         my @rout;
 444         if ($uref) {
 445                 @rout = $main::routeroot->del_user($uref);
 446                 dbg("B/C PC17 on $main::mycall for: $call") if isdbg('route');
 447         } else {
 448                 confess "trying to disconnect a non existant user $call";
 449         }
 450
 451         # issue a pc17 to everybody interested
 452         DXProt::route_pc17($DXProt::me, $main::routeroot, @rout) if @rout;
 453
 454         # I was the last node visited
 455     $self->user->node($main::mycall);
 456
 457         # send info to all logged in thingies
 458         $self->tell_login('logoutu');
 459
 460         Log('DXCommand', "$call disconnected");
 461
 462         $self->SUPER::disconnect;
 463 }
 464
 465 #
 466 # short cut to output a prompt
 467 #
 468
 469 sub prompt
 470 {
 471         my $self = shift;
 472         $self->send($self->msg($self->here ? 'pr' : 'pr2', $self->call, cldate($main::systime), ztime($main::systime)));
 473 }
 474
 475 # broadcast a message to all users [except those mentioned after buffer]
 476 sub broadcast
 477 {
 478         my $pkg = shift;                        # ignored
 479         my $s = shift;                          # the line to be rebroadcast
 480
 481     foreach my $dxchan (DXChannel->get_all()) {
 482                 next unless $dxchan->{sort} eq 'U'; # only interested in user channels
 483                 next if grep $dxchan == $_, @_;
 484                 $dxchan->send($s);                      # send it
 485         }
 486 }
 487
 488 # gimme all the users
 489 sub get_all
 490 {
 491         return grep {$_->{sort} eq 'U'} DXChannel->get_all();
 492 }
 493
 494 # run a script for this user
 495 sub run_script
 496 {
 497         my $self = shift;
 498         my $silent = shift || 0;
 499
 500 }
 501
 502 #
 503 # search for the command in the cache of short->long form commands
 504 #
 505
 506 sub search
 507 {
 508         my ($path, $short_cmd, $suffix) = @_;
 509         my ($apath, $acmd);
 510
 511         # commands are lower case
 512         $short_cmd = lc $short_cmd;
 513         dbg("command: $path $short_cmd\n") if isdbg('command');
 514
 515         # do some checking for funny characters
 516         return () if $short_cmd =~ /\/$/;
 517
 518         # return immediately if we have it
 519         ($apath, $acmd) = split ',', $cmd_cache{$short_cmd} if $cmd_cache{$short_cmd};
 520         if ($apath && $acmd) {
 521                 dbg("cached $short_cmd = ($apath, $acmd)\n") if isdbg('command');
 522                 return ($apath, $acmd);
 523         }
 524
 525         # if not guess
 526         my @parts = split '/', $short_cmd;
 527         my $dirfn;
 528         my $curdir = $path;
 529         my $p;
 530         my $i;
 531         my @lparts;
 532
 533         for ($i = 0; $i < @parts; $i++) {
 534                 my  $p = $parts[$i];
 535                 opendir(D, $curdir) or confess "can't open $curdir $!";
 536                 my @ls = readdir D;
 537                 closedir D;
 538                 my $l;
 539                 foreach $l (sort @ls) {
 540                         next if $l =~ /^\./;
 541                         if ($i < $#parts) {             # we are dealing with directories
 542                                 if ((-d "$curdir/$l") && $p eq substr($l, 0, length $p)) {
 543                                         dbg("got dir: $curdir/$l\n") if isdbg('command');
 544                                         $dirfn .= "$l/";
 545                                         $curdir .= "/$l";
 546                                         last;
 547                                 }
 548                         } else {                        # we are dealing with commands
 549                                 @lparts = split /\./, $l;
 550                                 next if $lparts[$#lparts] ne $suffix;        # only look for .$suffix files
 551                                 if ($p eq substr($l, 0, length $p)) {
 552                                         pop @lparts; #  remove the suffix
 553                                         $l = join '.', @lparts;
 554                                         #                 chop $dirfn;               # remove trailing /
 555                                         $dirfn = "" unless $dirfn;
 556                                         $cmd_cache{"$short_cmd"} = join(',', ($path, "$dirfn$l")); # cache it
 557                                         dbg("got path: $path cmd: $dirfn$l\n") if isdbg('command');
 558                                         return ($path, "$dirfn$l");
 559                                 }
 560                         }
 561                 }
 562         }
 563         return ();
 564 }
 565
 566 # clear the command name cache
 567 sub clear_cmd_cache
 568 {
 569         %cmd_cache = ();
 570 }
 571
 572 #
 573 # the persistant execution of things from the command directories
 574 #
 575 #
 576 # This allows perl programs to call functions dynamically
 577 #
 578 # This has been nicked directly from the perlembed pages
 579 #
 580
 581 #require Devel::Symdump;
 582
 583 sub valid_package_name {
 584         my($string) = @_;
 585         $string =~ s/([^A-Za-z0-9\/])/sprintf("_%2x",unpack("C",$1))/eg;
 586
 587         #second pass only for words starting with a digit
 588         $string =~ s|/(\d)|sprintf("/_%2x",unpack("C",$1))|eg;
 589
 590         #Dress it up as a real package name
 591         $string =~ s/\//_/og;
 592         return $string;
 593 }
 594
 595 # find a cmd reference
 596 # this is really for use in user written stubs
 597 #
 598 # use the result as a symbolic reference:-
 599 #
 600 # no strict 'refs';
 601 # @out = &$r($self, $line);
 602 #
 603 sub find_cmd_ref
 604 {
 605         my $cmd = shift;
 606         my $r;
 607
 608         if ($cmd) {
 609
 610                 # first expand out the entry to a command
 611                 my ($path, $fcmd) = search($main::localcmd, $cmd, "pl");
 612                 ($path, $fcmd) = search($main::cmd, $cmd, "pl") if !$path || !$fcmd;
 613
 614                 # make sure it is loaded
 615                 $r = find_cmd_name($path, $fcmd);
 616         }
 617         return $r;
 618 }
 619
 620 #
 621 # this bit of magic finds a command in the offered directory
 622 sub find_cmd_name {
 623         my $path = shift;
 624         my $cmdname = shift;
 625         my $package = valid_package_name($cmdname);
 626         my $filename = "$path/$cmdname.pl";
 627         my $mtime = -M $filename;
 628
 629         # return if we can't find it
 630         $errstr = undef;
 631         unless (defined $mtime) {
 632                 $errstr = DXM::msg('e1');
 633                 return undef;
 634         }
 635
 636         if(defined $Cache{$package}->{mtime} &&$Cache{$package}->{mtime} <= $mtime) {
 637                 #we have compiled this subroutine already,
 638                 #it has not been updated on disk, nothing left to do
 639                 #print STDERR "already compiled $package->handler\n";
 640                 ;
 641         } else {
 642
 643                 my $sub = readfilestr($filename);
 644                 unless ($sub) {
 645                         $errstr = "Syserr: can't open '$filename' $!";
 646                         return undef;
 647                 };
 648
 649                 #wrap the code into a subroutine inside our unique package
 650                 my $eval = qq( sub { $sub } );
 651
 652                 if (isdbg('eval')) {
 653                         my @list = split /\n/, $eval;
 654                         my $line;
 655                         for (@list) {
 656                                 dbg($_ . "\n") if isdbg('eval');
 657                         }
 658                 }
 659
 660                 $Cache{$package} = {mtime => $mtime, 'eval' => $eval };
 661         }
 662
 663         return $package;
 664 }
 665
 666 sub local_send
 667 {
 668         my ($self, $let, $buf) = @_;
 669         if ($self->{state} eq 'prompt' || $self->{state} eq 'talk') {
 670                 if ($self->{enhanced}) {
 671                         $self->send_later($let, $buf);
 672                 } else {
 673                         $self->send($buf);
 674                 }
 675         } else {
 676                 $self->delay($buf);
 677         }
 678 }
 679
 680 # send a talk message here
 681 sub talk
 682 {
 683         my ($self, $from, $to, $via, $line) = @_;
 684         $line =~ s/\\5E/\^/g;
 685         $self->local_send('T', "$to de $from: $line") if $self->{talk};
 686         Log('talk', $to, $from, $main::mycall, $line);
 687         # send a 'not here' message if required
 688         unless ($self->{here} && $from ne $to) {
 689                 my $key = "$to$from";
 690                 unless (exists $nothereslug{$key}) {
 691                         my ($ref, $dxchan);
 692                         if (($ref = Route::get($from)) && ($dxchan = $ref->dxchan)) {
 693                                 my $name = $self->user->name || $to;
 694                                 my $s = $self->user->nothere || $dxchan->msg('nothere', $name);
 695                                 $nothereslug{$key} = $main::systime;
 696                                 $dxchan->talk($to, $from, undef, $s);
 697                         }
 698                 }
 699         }
 700 }
 701
 702 # send an announce
 703 sub announce
 704 {
 705         my $self = shift;
 706         my $line = shift;
 707         my $isolate = shift;
 708         my $to = shift;
 709         my $target = shift;
 710         my $text = shift;
 711         my ($filter, $hops);
 712
 713         if (!$self->{ann_talk} && $to ne $self->{call}) {
 714                 my $call = AnnTalk::is_talk_candidate($_[0], $text);
 715                 return if $call;
 716         }
 717
 718         if ($self->{annfilter}) {
 719                 ($filter, $hops) = $self->{annfilter}->it(@_ );
 720                 return unless $filter;
 721         }
 722
 723         unless ($self->{ann}) {
 724                 return if $_[0] ne $main::myalias && $_[0] ne $main::mycall;
 725         }
 726         return if $target eq 'SYSOP' && $self->{priv} < 5;
 727         my $buf = "$to$target de $_[0]: $text";
 728         $buf =~ s/\%5E/^/g;
 729         $buf .= "\a\a" if $self->{beep};
 730         $self->local_send($target eq 'WX' ? 'W' : 'N', $buf);
 731 }
 732
 733 # send a dx spot
 734 sub dx_spot
 735 {
 736         my $self = shift;
 737         my $line = shift;
 738         my $isolate = shift;
 739         my ($filter, $hops);
 740
 741         return unless $self->{dx};
 742
 743         if ($self->{spotsfilter}) {
 744                 ($filter, $hops) = $self->{spotsfilter}->it(@_ );
 745                 return unless $filter;
 746         }
 747
 748         my $buf = Spot::formatb($self->{user}->wantgrid, $_[0], $_[1], $_[2], $_[3], $_[4]);
 749         $buf .= "\a\a" if $self->{beep};
 750         $buf =~ s/\%5E/^/g;
 751         $self->local_send('X', $buf);
 752 }
 753
 754 sub wwv
 755 {
 756         my $self = shift;
 757         my $line = shift;
 758         my $isolate = shift;
 759         my ($filter, $hops);
 760
 761         return unless $self->{wwv};
 762
 763         if ($self->{wwvfilter}) {
 764                 ($filter, $hops) = $self->{wwvfilter}->it(@_ );
 765                 return unless $filter;
 766         }
 767
 768         my $buf = "WWV de $_[6] <$_[1]>:   SFI=$_[2], A=$_[3], K=$_[4], $_[5]";
 769         $buf .= "\a\a" if $self->{beep};
 770         $self->local_send('V', $buf);
 771 }
 772
 773 sub wcy
 774 {
 775         my $self = shift;
 776         my $line = shift;
 777         my $isolate = shift;
 778         my ($filter, $hops);
 779
 780         return unless $self->{wcy};
 781
 782         if ($self->{wcyfilter}) {
 783                 ($filter, $hops) = $self->{wcyfilter}->it(@_ );
 784                 return unless $filter;
 785         }
 786
 787         my $buf = "WCY de $_[10] <$_[1]> : K=$_[4] expK=$_[5] A=$_[3] R=$_[6] SFI=$_[2] SA=$_[7] GMF=$_[8] Au=$_[9]";
 788         $buf .= "\a\a" if $self->{beep};
 789         $self->local_send('Y', $buf);
 790 }
 791
 792 # broadcast debug stuff to all interested parties
 793 sub broadcast_debug
 794 {
 795         my $s = shift;                          # the line to be rebroadcast
 796
 797         foreach my $dxchan (DXChannel->get_all) {
 798                 next unless $dxchan->{enhanced} && $dxchan->{senddbg};
 799                 $dxchan->send_later('L', $s);
 800         }
 801 }
 802
 803
 804 1;
 805 __END__