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         $conn->disconnect if $conn;
 108         endwin();
 109         dbgclose();
 110         print @_ if @_;
 111         exit(0);
 112 }
 113
 114 # terminate program from signal
 115 sub sig_term
 116 {
 117         cease(1, @_);
 118 }
 119
 120 # determine the colour of the line
 121 sub setattr
 122 {
 123         if ($has_colors) {
 124                 foreach my $ref (@colors) {
 125                         if ($_[0] =~ m{$$ref[0]}) {
 126                                 $top->attrset($$ref[1]);
 127                                 last;
 128                         }
 129                 }
 130         }
 131 }
 132
 133 # measure the no of screen lines a line will take
 134 sub measure
 135 {
 136         my $line = shift;
 137         return 0 unless $line;
 138
 139         my $l = length $line;
 140         my $lines = int ($l / COLS());
 141         $lines++ if $l / COLS() > $lines;
 142         return $lines;
 143 }
 144
 145 # display the top screen
 146 sub show_screen
 147 {
 148         if ($spos == @shistory - 1) {
 149
 150                 # if we really are scrolling thru at the end of the history
 151                 my $line = $shistory[$spos];
 152                 $top->addstr("\n") if $spos > 0;
 153                 setattr($line);
 154                 $top->addstr($line);
 155                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
 156                 $spos = @shistory;
 157
 158         } else {
 159
 160                 # anywhere else
 161                 my ($i, $l);
 162                 my $p = $spos-1;
 163                 for ($i = 0; $i < $pagel && $p >= 0; ) {
 164                         $l = measure($shistory[$p]);
 165                         $i += $l;
 166                         $p-- if $i < $pagel;
 167                 }
 168                 $p = 0 if $p < 0;
 169
 170                 $top->move(0, 0);
 171                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
 172                 $top->clrtobot();
 173                 for ($i = 0; $i < $pagel && $p < @shistory; $p++) {
 174                         my $line = $shistory[$p];
 175                         my $lines = measure($line);
 176                         last if $i + $lines > $pagel;
 177                         setattr($line);
 178                         $top->addstr($i, 0, $line);
 179                         $top->attrset(COLOR_PAIR(0)) if $has_colors;
 180                         $i += $lines;
 181                 }
 182                 $spos = $p;
 183                 $spos = @shistory if $spos > @shistory;
 184         }
 185     my $shl = @shistory;
 186         my $add = "-$spos-$shl";
 187     my $time = ztime(time);
 188         my $str =  "-" . $time . '-' x (COLS() - (length($call) + length($add) + length($time) + 1));
 189         $scr->addstr(LINES()-4, 0, $str);
 190
 191         $scr->attrset($mycallcolor) if $has_colors;
 192         $scr->addstr("$call");
 193         $scr->attrset(COLOR_PAIR(0)) if $has_colors;
 194     $scr->addstr($add);
 195         $scr->refresh();
 196 #       $top->refresh();
 197 }
 198
 199 # add a line to the end of the top screen
 200 sub addtotop
 201 {
 202         while (@_) {
 203                 my $inbuf = shift;
 204                 push @shistory, $inbuf;
 205                 shift @shistory if @shistory > $maxshist;
 206         }
 207         show_screen();
 208 }
 209
 210 # handle incoming messages
 211 sub rec_socket
 212 {
 213         my ($con, $msg, $err) = @_;
 214         if (defined $err && $err) {
 215                 cease(1);
 216         }
 217         if (defined $msg) {
 218                 my ($sort, $call, $line) = $msg =~ /^(\w)([^\|]+)\|(.*)$/;
 219
 220                 if ($sort && $sort eq 'D') {
 221                         addtotop($line);
 222                 } elsif ($sort && $sort eq 'Z') { # end, disconnect, go, away .....
 223                         cease(0);
 224                 }
 225                 # ******************************************************
 226                 # ******************************************************
 227                 # any other sorts that might happen are silently ignored.
 228                 # ******************************************************
 229                 # ******************************************************
 230         } else {
 231                 cease(0);
 232         }
 233         $top->refresh();
 234         $lasttime = time;
 235 }
 236
 237 sub rec_stdin
 238 {
 239         my ($fh) = @_;
 240
 241         $r = $bot->getch();
 242
 243         #  my $prbuf;
 244         #  $prbuf = $buf;
 245         #  $prbuf =~ s/\r/\\r/;
 246         #  $prbuf =~ s/\n/\\n/;
 247         #  print "sys: $r ($prbuf)\n";
 248         if (defined $r) {
 249
 250                 if ($r eq KEY_ENTER || $r eq "\n" || $r eq "\r") {
 251
 252                         # save the lines
 253                         if ($inbuf) {
 254                                 # check for a pling and do a search back for a command
 255                                 if ($inbuf =~ /^!/o) {
 256                                         my $i;
 257                                         $inbuf =~ s/^!//o;
 258                                         for ($i = $#khistory; $i >= 0; $i--) {
 259                                                 if ($khistory[$i] =~ /^$inbuf/) {
 260                                                         $inbuf = $khistory[$i];
 261                                                         last;
 262                                                 }
 263                                         }
 264                                         if ($i < 0) {
 265                                                 beep();
 266                                                 return;
 267                                         }
 268                                 }
 269                                 push @khistory, $inbuf if $inbuf;
 270                                 shift @khistory if @khistory > $maxkhist;
 271                                 $khistpos = @khistory;
 272                                 $bot->move(0,0);
 273                                 $bot->clrtoeol();
 274                                 $bot->addstr(substr($inbuf, 0, COLS));
 275                         }
 276
 277                         # add it to the monitor window
 278                         unless ($spos == @shistory) {
 279                                 $spos = @shistory;
 280                                 show_screen();
 281                         };
 282                         addtotop($inbuf) if $inbuf;
 283
 284                         # send it to the cluster
 285                         $inbuf = " " unless $inbuf;
 286                         $conn->send_later("I$call|$inbuf");
 287                         $inbuf = "";
 288                         $pos = $lth = 0;
 289                 } elsif ($r eq KEY_UP || $r eq "\020") {
 290                         if ($khistpos > 0) {
 291                                 --$khistpos;
 292                                 $inbuf = $khistory[$khistpos];
 293                                 $pos = $lth = length $inbuf;
 294                         } else {
 295                                 beep();
 296                         }
 297                 } elsif ($r eq KEY_DOWN || $r eq "\016") {
 298                         if ($khistpos < @khistory - 1) {
 299                                 ++$khistpos;
 300                                 $inbuf = $khistory[$khistpos];
 301                                 $pos = $lth = length $inbuf;
 302                         } else {
 303                                 beep();
 304                         }
 305                 } elsif ($r eq KEY_PPAGE || $r eq "\032") {
 306                         if ($spos > 0) {
 307                                 my ($i, $l);
 308                                 for ($i = 0; $i <= $pagel && $spos >= 0; ) {
 309                                         $l = measure($shistory[$spos]);
 310                                         $i += $l;
 311                                         $spos-- if $i <= $pagel;
 312                                 }
 313                                 $spos = 0 if $spos < 0;
 314                                 show_screen();
 315                         } else {
 316                                 beep();
 317                         }
 318                 } elsif ($r eq KEY_NPAGE || $r eq "\026") {
 319                         if ($spos < @shistory - 1) {
 320                                 my ($i, $l);
 321                                 for ($i = 0; $i <= $pagel && $spos <= @shistory; ) {
 322                                         $l = measure($shistory[$spos]);
 323                                         $i += $l;
 324                                         $spos++ if $i <= $pagel;
 325                                 }
 326                                 $spos = @shistory if $spos >= @shistory - 1;
 327                                 show_screen();
 328                         } else {
 329                                 beep();
 330                         }
 331                 } elsif ($r eq KEY_LEFT || $r eq "\002") {
 332                         if ($pos > 0) {
 333                                 --$pos;
 334                         } else {
 335                                 beep();
 336                         }
 337                 } elsif ($r eq KEY_RIGHT || $r eq "\006") {
 338                         if ($pos < $lth) {
 339                                 ++$pos;
 340                         } else {
 341                                 beep();
 342                         }
 343                 } elsif ($r eq KEY_HOME || $r eq "\001") {
 344                         $pos = 0;
 345                 } elsif ($r eq KEY_END || $r eq "\005") {
 346                         $pos = $lth;
 347                 } elsif ($r eq KEY_BACKSPACE || $r eq "\010") {
 348                         if ($pos > 0) {
 349                                 my $a = substr($inbuf, 0, $pos-1);
 350                                 my $b = substr($inbuf, $pos) if $pos < $lth;
 351                                 $b = "" unless $b;
 352
 353                                 $inbuf = $a . $b;
 354                                 --$lth;
 355                                 --$pos;
 356                         } else {
 357                                 beep();
 358                         }
 359                 } elsif ($r eq KEY_DC || $r eq "\004") {
 360                         if ($pos < $lth) {
 361                                 my $a = substr($inbuf, 0, $pos);
 362                                 my $b = substr($inbuf, $pos+1) if $pos < $lth;
 363                                 $b = "" unless $b;
 364
 365                                 $inbuf = $a . $b;
 366                                 --$lth;
 367                         } else {
 368                                 beep();
 369                         }
 370                 } elsif (is_pctext($r)) {
 371                         # move the top screen back to the bottom if you type something
 372                         if ($spos < @shistory) {
 373                                 $spos = @shistory;
 374                                 show_screen();
 375                         }
 376
 377                         # insert the character into the keyboard buffer
 378                         if ($pos < $lth) {
 379                                 my $a = substr($inbuf, 0, $pos);
 380                                 my $b = substr($inbuf, $pos);
 381                                 $inbuf = $a . $r . $b;
 382                         } else {
 383                                 $inbuf .= $r;
 384                         }
 385                         $pos++;
 386                         $lth++;
 387                 } elsif ($r eq "\014" || $r eq "\022") {
 388                         touchwin($curscr, 1);
 389                         refresh($curscr);
 390                         return;
 391                 } elsif ($r eq "\013") {
 392                         $inbuf = substr($inbuf, 0, $pos);
 393                         $lth = length $inbuf;
 394                 } else {
 395                         beep();
 396                 }
 397                 $bot->move(1, 0);
 398                 $bot->clrtobot();
 399                 $bot->addstr($inbuf);
 400         }
 401         $bot->move(1, $pos);
 402         $bot->refresh();
 403 }
 404
 405
 406 #
 407 # deal with args
 408 #
 409
 410 $call = uc shift @ARGV if @ARGV;
 411 $call = uc $myalias if !$call;
 412 my ($scall, $ssid) = split /-/, $call;
 413 $ssid = undef unless $ssid && $ssid =~ /^\d+$/;
 414 if ($ssid) {
 415         $ssid = 15 if $ssid > 15;
 416         $call = "$scall-$ssid";
 417 }
 418
 419 if ($call eq $mycall) {
 420         print "You cannot connect as your cluster callsign ($mycall)\n";
 421         exit(0);
 422 }
 423
 424 $conn = IntMsg->connect("$clusteraddr", $clusterport, \&rec_socket);
 425 if (! $conn) {
 426         if (-r "$data/offline") {
 427                 open IN, "$data/offline" or die;
 428                 while (<IN>) {
 429                         print $_;
 430                 }
 431                 close IN;
 432         } else {
 433                 print "Sorry, the cluster $mycall is currently off-line\n";
 434         }
 435         exit(0);
 436 }
 437
 438 $conn->set_error(sub{cease(0)});
 439
 440
 441 unless ($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|$connsort width=$COLS");
 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(10, 0.01);
 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);