perl/console.pl

   1 #!/usr/bin/perl -w
   2 #
   3 # this is the operators console.
   4 #
   5 # Calling syntax is:-
   6 #
   7 # console.pl [callsign]
   8 #
   9 # if the callsign isn't given then the sysop callsign in DXVars.pm is assumed
  10 #
  11 # Copyright (c) 1999 Dirk Koopman G1TLH
  12 #
  13 # $Id$
  14 #
  15
  16 require 5.004;
  17
  18 # search local then perl directories
  19 BEGIN {
  20         # root of directory tree for this system
  21         $root = "/spider";
  22         $root = $ENV{'DXSPIDER_ROOT'} if $ENV{'DXSPIDER_ROOT'};
  23
  24         unshift @INC, "$root/perl";     # this IS the right way round!
  25         unshift @INC, "$root/local";
  26 }
  27
  28 use Msg;
  29 use IntMsg;
  30 use DXVars;
  31 use DXDebug;
  32 use DXUtil;
  33 use IO::File;
  34 use Curses 1.05;
  35
  36 use Console;
  37
  38 #
  39 # initialisation
  40 #
  41
  42 $call = "";                     # the callsign being used
  43 $conn = 0;                      # the connection object for the cluster
  44 $lasttime = time;               # lasttime something happened on the interface
  45
  46 $connsort = "local";
  47 @khistory = ();
  48 @shistory = ();
  49 $khistpos = 0;
  50 $spos = $pos = $lth = 0;
  51 $inbuf = "";
  52
  53 # do the screen initialisation
  54 sub do_initscr
  55 {
  56         $scr = new Curses;
  57         raw();
  58         noecho();
  59         $has_colors = has_colors();
  60
  61         if ($has_colors) {
  62                 start_color();
  63                 init_pair("0", $foreground, $background);
  64 #               init_pair(0, $background, $foreground);
  65                 init_pair(1, COLOR_RED, $background);
  66                 init_pair(2, COLOR_YELLOW, $background);
  67                 init_pair(3, COLOR_GREEN, $background);
  68                 init_pair(4, COLOR_CYAN, $background);
  69                 init_pair(5, COLOR_BLUE, $background);
  70                 init_pair(6, COLOR_MAGENTA, $background);
  71                 init_pair(7, COLOR_RED, COLOR_BLUE);
  72                 init_pair(8, COLOR_YELLOW, COLOR_BLUE);
  73                 init_pair(9, COLOR_GREEN, COLOR_BLUE);
  74                 init_pair(10, COLOR_CYAN, COLOR_BLUE);
  75                 init_pair(11, COLOR_BLUE, COLOR_RED);
  76                 init_pair(12, COLOR_MAGENTA, COLOR_BLUE);
  77                 init_pair(13, COLOR_YELLOW, COLOR_GREEN);
  78                 init_pair(14, COLOR_RED, COLOR_GREEN);
  79                 $scr->attrset(COLOR_PAIR(0));
  80         }
  81
  82         $top = $scr->subwin(LINES()-4, COLS, 0, 0);
  83         $top->intrflush(0);
  84         $top->scrollok(1);
  85         $scr->addstr(LINES()-4, 0, '-' x COLS);
  86         $bot = $scr->subwin(3, COLS, LINES()-3, 0);
  87         $bot->intrflush(0);
  88         $bot->scrollok(1);
  89         $bot->keypad(1);
  90         $bot->move(1,0);
  91         $scr->refresh();
  92
  93         $pagel = LINES()-4;
  94         $mycallcolor = COLOR_PAIR(1) unless $mycallcolor;
  95 }
  96
  97 sub do_resize
  98 {
  99         undef $scr;
 100         do_initscr();
 101 }
 102
 103 # cease communications
 104 sub cease
 105 {
 106         my $sendz = shift;
 107 #       if ($conn && $sendz) {
 108 #               $conn->send_now("Z$call|bye...");
 109 #       }
 110         endwin();
 111         dbgclose();
 112         print @_ if @_;
 113         exit(0);
 114 }
 115
 116 # terminate program from signal
 117 sub sig_term
 118 {
 119         cease(1, @_);
 120 }
 121
 122 # determine the colour of the line
 123 sub setattr
 124 {
 125         if ($has_colors) {
 126                 foreach my $ref (@colors) {
 127                         if ($_[0] =~ m{$$ref[0]}) {
 128                                 $top->attrset($$ref[1]);
 129                                 last;
 130                         }
 131                 }
 132         }
 133 }
 134
 135 # measure the no of screen lines a line will take
 136 sub measure
 137 {
 138         my $line = shift;
 139         return 0 unless $line;
 140
 141         my $l = length $line;
 142         my $lines = int ($l / COLS());
 143         $lines++ if $l / COLS() > $lines;
 144         return $lines;
 145 }
 146
 147 # display the top screen
 148 sub show_screen
 149 {
 150         if ($spos == @shistory - 1) {
 151
 152                 # if we really are scrolling thru at the end of the history
 153                 my $line = $shistory[$spos];
 154                 $top->addstr("\n") if $spos > 0;
 155                 setattr($line);
 156                 $top->addstr($line);
 157                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
 158                 $spos = @shistory;
 159
 160         } else {
 161
 162                 # anywhere else
 163                 my ($i, $l);
 164                 my $p = $spos-1;
 165                 for ($i = 0; $i < $pagel && $p >= 0; ) {
 166                         $l = measure($shistory[$p]);
 167                         $i += $l;
 168                         $p-- if $i < $pagel;
 169                 }
 170                 $p = 0 if $p < 0;
 171
 172                 $top->move(0, 0);
 173                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
 174                 $top->clrtobot();
 175                 for ($i = 0; $i < $pagel && $p < @shistory; $p++) {
 176                         my $line = $shistory[$p];
 177                         my $lines = measure($line);
 178                         last if $i + $lines > $pagel;
 179                         setattr($line);
 180                         $top->addstr($i, 0, $line);
 181                         $top->attrset(COLOR_PAIR(0)) if $has_colors;
 182                         $i += $lines;
 183                 }
 184                 $spos = $p;
 185                 $spos = @shistory if $spos > @shistory;
 186         }
 187     my $shl = @shistory;
 188         my $add = "-$spos-$shl";
 189     my $time = ztime(time);
 190         my $str =  "-" . $time . '-' x (COLS() - (length($call) + length($add) + length($time) + 1));
 191         $scr->addstr(LINES()-4, 0, $str);
 192
 193         $scr->attrset($mycallcolor) if $has_colors;
 194         $scr->addstr("$call");
 195         $scr->attrset(COLOR_PAIR(0)) if $has_colors;
 196     $scr->addstr($add);
 197         $scr->refresh();
 198 #       $top->refresh();
 199 }
 200
 201 # add a line to the end of the top screen
 202 sub addtotop
 203 {
 204         while (@_) {
 205                 my $inbuf = shift;
 206                 push @shistory, $inbuf;
 207                 shift @shistory if @shistory > $maxshist;
 208         }
 209         show_screen();
 210 }
 211
 212 # handle incoming messages
 213 sub rec_socket
 214 {
 215         my ($con, $msg, $err) = @_;
 216         if (defined $err && $err) {
 217                 cease(1);
 218         }
 219         if (defined $msg) {
 220                 my ($sort, $call, $line) = $msg =~ /^(\w)([^\|]+)\|(.*)$/;
 221
 222                 if ($sort && $sort eq 'D') {
 223                         addtotop($line);
 224                 } elsif ($sort && $sort eq 'Z') { # end, disconnect, go, away .....
 225                         cease(0);
 226                 }
 227                 # ******************************************************
 228                 # ******************************************************
 229                 # any other sorts that might happen are silently ignored.
 230                 # ******************************************************
 231                 # ******************************************************
 232         } else {
 233                 cease(0);
 234         }
 235         $top->refresh();
 236         $lasttime = time;
 237 }
 238
 239 sub rec_stdin
 240 {
 241         my ($fh) = @_;
 242
 243         $r = $bot->getch();
 244
 245         #  my $prbuf;
 246         #  $prbuf = $buf;
 247         #  $prbuf =~ s/\r/\\r/;
 248         #  $prbuf =~ s/\n/\\n/;
 249         #  print "sys: $r ($prbuf)\n";
 250         if (defined $r) {
 251
 252                 if ($r eq KEY_ENTER || $r eq "\n" || $r eq "\r") {
 253
 254                         # save the lines
 255                         if ($inbuf) {
 256                                 # check for a pling and do a search back for a command
 257                                 if ($inbuf =~ /^!/o) {
 258                                         my $i;
 259                                         $inbuf =~ s/^!//o;
 260                                         for ($i = $#khistory; $i >= 0; $i--) {
 261                                                 if ($khistory[$i] =~ /^$inbuf/) {
 262                                                         $inbuf = $khistory[$i];
 263                                                         last;
 264                                                 }
 265                                         }
 266                                         if ($i < 0) {
 267                                                 beep();
 268                                                 return;
 269                                         }
 270                                 }
 271                                 push @khistory, $inbuf if $inbuf;
 272                                 shift @khistory if @khistory > $maxkhist;
 273                                 $khistpos = @khistory;
 274                                 $bot->move(0,0);
 275                                 $bot->clrtoeol();
 276                                 $bot->addstr(substr($inbuf, 0, COLS));
 277                         }
 278
 279                         # add it to the monitor window
 280                         unless ($spos == @shistory) {
 281                                 $spos = @shistory;
 282                                 show_screen();
 283                         };
 284                         addtotop($inbuf) if $inbuf;
 285
 286                         # send it to the cluster
 287                         $inbuf = " " unless $inbuf;
 288                         $conn->send_later("I$call|$inbuf");
 289                         $inbuf = "";
 290                         $pos = $lth = 0;
 291                 } elsif ($r eq KEY_UP || $r eq "\020") {
 292                         if ($khistpos > 0) {
 293                                 --$khistpos;
 294                                 $inbuf = $khistory[$khistpos];
 295                                 $pos = $lth = length $inbuf;
 296                         } else {
 297                                 beep();
 298                         }
 299                 } elsif ($r eq KEY_DOWN || $r eq "\016") {
 300                         if ($khistpos < @khistory - 1) {
 301                                 ++$khistpos;
 302                                 $inbuf = $khistory[$khistpos];
 303                                 $pos = $lth = length $inbuf;
 304                         } else {
 305                                 beep();
 306                         }
 307                 } elsif ($r eq KEY_PPAGE || $r eq "\032") {
 308                         if ($spos > 0) {
 309                                 my ($i, $l);
 310                                 for ($i = 0; $i <= $pagel && $spos >= 0; ) {
 311                                         $l = measure($shistory[$spos]);
 312                                         $i += $l;
 313                                         $spos-- if $i <= $pagel;
 314                                 }
 315                                 $spos = 0 if $spos < 0;
 316                                 show_screen();
 317                         } else {
 318                                 beep();
 319                         }
 320                 } elsif ($r eq KEY_NPAGE || $r eq "\026") {
 321                         if ($spos < @shistory - 1) {
 322                                 my ($i, $l);
 323                                 for ($i = 0; $i <= $pagel && $spos <= @shistory; ) {
 324                                         $l = measure($shistory[$spos]);
 325                                         $i += $l;
 326                                         $spos++ if $i <= $pagel;
 327                                 }
 328                                 $spos = @shistory if $spos >= @shistory - 1;
 329                                 show_screen();
 330                         } else {
 331                                 beep();
 332                         }
 333                 } elsif ($r eq KEY_LEFT || $r eq "\002") {
 334                         if ($pos > 0) {
 335                                 --$pos;
 336                         } else {
 337                                 beep();
 338                         }
 339                 } elsif ($r eq KEY_RIGHT || $r eq "\006") {
 340                         if ($pos < $lth) {
 341                                 ++$pos;
 342                         } else {
 343                                 beep();
 344                         }
 345                 } elsif ($r eq KEY_HOME || $r eq "\001") {
 346                         $pos = 0;
 347                 } elsif ($r eq KEY_END || $r eq "\005") {
 348                         $pos = $lth;
 349                 } elsif ($r eq KEY_BACKSPACE || $r eq "\010") {
 350                         if ($pos > 0) {
 351                                 my $a = substr($inbuf, 0, $pos-1);
 352                                 my $b = substr($inbuf, $pos) if $pos < $lth;
 353                                 $b = "" unless $b;
 354
 355                                 $inbuf = $a . $b;
 356                                 --$lth;
 357                                 --$pos;
 358                         } else {
 359                                 beep();
 360                         }
 361                 } elsif ($r eq KEY_DC || $r eq "\004") {
 362                         if ($pos < $lth) {
 363                                 my $a = substr($inbuf, 0, $pos);
 364                                 my $b = substr($inbuf, $pos+1) if $pos < $lth;
 365                                 $b = "" unless $b;
 366
 367                                 $inbuf = $a . $b;
 368                                 --$lth;
 369                         } else {
 370                                 beep();
 371                         }
 372                 } elsif (is_pctext($r)) {
 373                         # move the top screen back to the bottom if you type something
 374                         if ($spos < @shistory) {
 375                                 $spos = @shistory;
 376                                 show_screen();
 377                         }
 378
 379                         # insert the character into the keyboard buffer
 380                         if ($pos < $lth) {
 381                                 my $a = substr($inbuf, 0, $pos);
 382                                 my $b = substr($inbuf, $pos);
 383                                 $inbuf = $a . $r . $b;
 384                         } else {
 385                                 $inbuf .= $r;
 386                         }
 387                         $pos++;
 388                         $lth++;
 389                 } elsif ($r eq "\014" || $r eq "\022") {
 390                         touchwin($curscr, 1);
 391                         refresh($curscr);
 392                         return;
 393                 } elsif ($r eq "\013") {
 394                         $inbuf = substr($inbuf, 0, $pos);
 395                         $lth = length $inbuf;
 396                 } else {
 397                         beep();
 398                 }
 399                 $bot->move(1, 0);
 400                 $bot->clrtobot();
 401                 $bot->addstr($inbuf);
 402         }
 403         $bot->move(1, $pos);
 404         $bot->refresh();
 405 }
 406
 407
 408 #
 409 # deal with args
 410 #
 411
 412 $call = uc shift @ARGV if @ARGV;
 413 $call = uc $myalias if !$call;
 414 my ($scall, $ssid) = split /-/, $call;
 415 $ssid = undef unless $ssid && $ssid =~ /^\d+$/;
 416 if ($ssid) {
 417         $ssid = 15 if $ssid > 15;
 418         $call = "$scall-$ssid";
 419 }
 420
 421 if ($call eq $mycall) {
 422         print "You cannot connect as your cluster callsign ($mycall)\n";
 423         exit(0);
 424 }
 425
 426 $conn = IntMsg->connect("$clusteraddr", $clusterport, \&rec_socket);
 427 if (! $conn) {
 428         if (-r "$data/offline") {
 429                 open IN, "$data/offline" or die;
 430                 while (<IN>) {
 431                         print $_;
 432                 }
 433                 close IN;
 434         } else {
 435                 print "Sorry, the cluster $mycall is currently off-line\n";
 436         }
 437         exit(0);
 438 }
 439
 440
 441 unless ($DB::VERSION) {
 442         $SIG{'INT'} = \&sig_term;
 443         $SIG{'TERM'} = \&sig_term;
 444 }
 445
 446 #$SIG{'WINCH'} = \&do_resize;
 447 $SIG{'HUP'} = \&sig_term;
 448
 449 do_initscr();
 450
 451 $SIG{__DIE__} = \&sig_term;
 452
 453 $conn->send_later("A$call|$connsort");
 454 $conn->send_later("I$call|set/page $maxshist");
 455 $conn->send_later("I$call|set/nobeep");
 456
 457 Msg->set_event_handler(\*STDIN, "read" => \&rec_stdin);
 458
 459 my $lastmin = 0;
 460 for (;;) {
 461         my $t;
 462         Msg->event_loop(1, 0.1);
 463         $t = time;
 464         if ($t > $lasttime) {
 465                 my ($min)= (gmtime($t))[1];
 466                 if ($min != $lastmin) {
 467                         show_screen();
 468                         $lastmin = $min;
 469                 }
 470                 $lasttime = $t;
 471         }
 472         $top->refresh() if $top->is_wintouched;
 473         $bot->refresh();
 474 }
 475
 476 exit(0);