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 DXDebug;
  34 use IO::File;
  35 use Curses 1.06;
  36
  37 use Console;
  38
  39 #
  40 # initialisation
  41 #
  42
  43 $call = "";                     # the callsign being used
  44 $conn = 0;                      # the connection object for the cluster
  45 $lasttime = time;               # lasttime something happened on the interface
  46
  47 $connsort = "local";
  48 @khistory = ();
  49 @shistory = ();
  50 $khistpos = 0;
  51 $spos = $pos = $lth = 0;
  52 $inbuf = "";
  53
  54 sub mydbg
  55 {
  56         local *STDOUT = undef;
  57         dbg(@_);
  58 }
  59
  60 # do the screen initialisation
  61 sub do_initscr
  62 {
  63         $scr = new Curses;
  64         if ($has_colors) {
  65                 start_color();
  66                 init_pair("0", $foreground, $background);
  67 #               init_pair(0, $background, $foreground);
  68                 init_pair(1, COLOR_RED, $background);
  69                 init_pair(2, COLOR_YELLOW, $background);
  70                 init_pair(3, COLOR_GREEN, $background);
  71                 init_pair(4, COLOR_CYAN, $background);
  72                 init_pair(5, COLOR_BLUE, $background);
  73                 init_pair(6, COLOR_MAGENTA, $background);
  74                 init_pair(7, COLOR_RED, COLOR_BLUE);
  75                 init_pair(8, COLOR_YELLOW, COLOR_BLUE);
  76                 init_pair(9, COLOR_GREEN, COLOR_BLUE);
  77                 init_pair(10, COLOR_CYAN, COLOR_BLUE);
  78                 init_pair(11, COLOR_BLUE, COLOR_RED);
  79                 init_pair(12, COLOR_MAGENTA, COLOR_BLUE);
  80                 init_pair(13, COLOR_YELLOW, COLOR_GREEN);
  81                 init_pair(14, COLOR_RED, COLOR_GREEN);
  82                 eval { assume_default_colors($foreground, $background) };
  83         }
  84
  85         $top = $scr->subwin($lines-4, $cols, 0, 0);
  86         $top->intrflush(0);
  87         $top->scrollok(1);
  88         $top->meta(1);
  89 #       $scr->addstr($lines-4, 0, '-' x $cols);
  90         $bot = $scr->subwin(3, $cols, $lines-3, 0);
  91         $bot->intrflush(0);
  92         $bot->scrollok(1);
  93         $bot->keypad(1);
  94         $bot->move(1,0);
  95         $bot->meta(1);
  96         $bot->nodelay(1);
  97         $scr->refresh();
  98
  99         $pagel = $lines-4;
 100         $mycallcolor = COLOR_PAIR(1) unless $mycallcolor;
 101 }
 102
 103 sub do_resize
 104 {
 105         endwin() if $scr;
 106         initscr();
 107         raw();
 108         noecho();
 109         $lines = LINES;
 110         $cols = COLS;
 111         $has_colors = has_colors();
 112         do_initscr();
 113
 114         $winch = 0;
 115         $SIG{'WINCH'} = sub {$winch = 1};
 116         show_screen();
 117 }
 118
 119 # cease communications
 120 sub cease
 121 {
 122         my $sendz = shift;
 123         $conn->disconnect if $conn;
 124         endwin();
 125         dbgclose();
 126         print @_ if @_;
 127         exit(0);
 128 }
 129
 130 # terminate program from signal
 131 sub sig_term
 132 {
 133         cease(1, @_);
 134 }
 135
 136 # determine the colour of the line
 137 sub setattr
 138 {
 139         if ($has_colors) {
 140                 foreach my $ref (@colors) {
 141                         if ($_[0] =~ m{$$ref[0]}) {
 142                                 $top->attrset($$ref[1]);
 143                                 last;
 144                         }
 145                 }
 146         }
 147 }
 148
 149 # measure the no of screen lines a line will take
 150 sub measure
 151 {
 152         my $line = shift;
 153         return 0 unless $line;
 154
 155         my $l = length $line;
 156         my $lines = int ($l / $cols);
 157         $lines++ if $l / $cols > $lines;
 158         return $lines;
 159 }
 160
 161 # display the top screen
 162 sub show_screen
 163 {
 164         if ($spos == @shistory - 1) {
 165
 166                 # if we really are scrolling thru at the end of the history
 167                 my $line = $shistory[$spos];
 168                 $top->addstr("\n") if $spos > 0;
 169                 setattr($line);
 170                 $top->addstr($line);
 171                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
 172                 $spos = @shistory;
 173
 174         } else {
 175
 176                 # anywhere else
 177                 my ($i, $l);
 178                 my $p = $spos-1;
 179                 for ($i = 0; $i < $pagel && $p >= 0; ) {
 180                         $l = measure($shistory[$p]);
 181                         $i += $l;
 182                         $p-- if $i < $pagel;
 183                 }
 184                 $p = 0 if $p < 0;
 185
 186                 $top->move(0, 0);
 187                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
 188                 $top->clrtobot();
 189                 for ($i = 0; $i < $pagel && $p < @shistory; $p++) {
 190                         my $line = $shistory[$p];
 191                         my $lines = measure($line);
 192                         last if $i + $lines > $pagel;
 193                         setattr($line);
 194                         $top->addstr($i, 0, $line);
 195                         $top->attrset(COLOR_PAIR(0)) if $has_colors;
 196                         $i += $lines;
 197                 }
 198                 $spos = $p;
 199                 $spos = @shistory if $spos > @shistory;
 200         }
 201     my $shl = @shistory;
 202         my $size = $lines . 'x' . $cols . '-';
 203         my $add = "-$spos-$shl";
 204     my $time = ztime(time);
 205         my $str =  "-" . $time . '-' x ($cols - (length($size) + length($call) + length($add) + length($time) + 1));
 206         $scr->addstr($lines-4, 0, $str);
 207
 208         $scr->addstr($size);
 209         $scr->attrset($mycallcolor) if $has_colors;
 210         $scr->addstr($call);
 211         $scr->attrset(COLOR_PAIR(0)) if $has_colors;
 212     $scr->addstr($add);
 213         $scr->refresh();
 214 #       $top->refresh();
 215 }
 216
 217 # add a line to the end of the top screen
 218 sub addtotop
 219 {
 220         while (@_) {
 221                 my $inbuf = shift;
 222                 push @shistory, $inbuf;
 223                 shift @shistory if @shistory > $maxshist;
 224         }
 225         show_screen();
 226 }
 227
 228 # handle incoming messages
 229 sub rec_socket
 230 {
 231         my ($con, $msg, $err) = @_;
 232         if (defined $err && $err) {
 233                 cease(1);
 234         }
 235         if (defined $msg) {
 236                 my ($sort, $call, $line) = $msg =~ /^(\w)([^\|]+)\|(.*)$/;
 237
 238                 if ($sort && $sort eq 'D') {
 239                         addtotop($line);
 240                 } elsif ($sort && $sort eq 'Z') { # end, disconnect, go, away .....
 241                         cease(0);
 242                 }
 243                 # ******************************************************
 244                 # ******************************************************
 245                 # any other sorts that might happen are silently ignored.
 246                 # ******************************************************
 247                 # ******************************************************
 248         } else {
 249                 cease(0);
 250         }
 251         $top->refresh();
 252         $lasttime = time;
 253 }
 254
 255 sub rec_stdin
 256 {
 257         my $r = shift;;
 258
 259         #  my $prbuf;
 260         #  $prbuf = $buf;
 261         #  $prbuf =~ s/\r/\\r/;
 262         #  $prbuf =~ s/\n/\\n/;
 263         #  print "sys: $r ($prbuf)\n";
 264         if (defined $r) {
 265
 266
 267                 if ($r eq KEY_ENTER || $r eq "\n" || $r eq "\r") {
 268
 269                         # save the lines
 270                         if ($inbuf) {
 271                                 # check for a pling and do a search back for a command
 272                                 if ($inbuf =~ /^!/o) {
 273                                         my $i;
 274                                         $inbuf =~ s/^!//o;
 275                                         for ($i = $#khistory; $i >= 0; $i--) {
 276                                                 if ($khistory[$i] =~ /^$inbuf/) {
 277                                                         $inbuf = $khistory[$i];
 278                                                         last;
 279                                                 }
 280                                         }
 281                                         if ($i < 0) {
 282                                                 beep();
 283                                                 return;
 284                                         }
 285                                 }
 286                                 push @khistory, $inbuf if $inbuf;
 287                                 shift @khistory if @khistory > $maxkhist;
 288                                 $khistpos = @khistory;
 289                                 $bot->move(0,0);
 290                                 $bot->clrtoeol();
 291                                 $bot->addstr(substr($inbuf, 0, $cols));
 292                         }
 293
 294                         # add it to the monitor window
 295                         unless ($spos == @shistory) {
 296                                 $spos = @shistory;
 297                                 show_screen();
 298                         };
 299                         addtotop($inbuf) if $inbuf;
 300
 301                         # send it to the cluster
 302                         $inbuf = " " unless $inbuf;
 303                         $conn->send_later("I$call|$inbuf");
 304                         $inbuf = "";
 305                         $pos = $lth = 0;
 306                 } elsif ($r eq KEY_UP || $r eq "\020") {
 307                         if ($khistpos > 0) {
 308                                 --$khistpos;
 309                                 $inbuf = $khistory[$khistpos];
 310                                 $pos = $lth = length $inbuf;
 311                         } else {
 312                                 beep();
 313                         }
 314                 } elsif ($r eq KEY_DOWN || $r eq "\016") {
 315                         if ($khistpos < @khistory - 1) {
 316                                 ++$khistpos;
 317                                 $inbuf = $khistory[$khistpos];
 318                                 $pos = $lth = length $inbuf;
 319                         } else {
 320                                 beep();
 321                         }
 322                 } elsif ($r eq KEY_PPAGE || $r eq "\032") {
 323                         if ($spos > 0) {
 324                                 my ($i, $l);
 325                                 for ($i = 0; $i <= $pagel && $spos >= 0; ) {
 326                                         $l = measure($shistory[$spos]);
 327                                         $i += $l;
 328                                         $spos-- if $i <= $pagel;
 329                                 }
 330                                 $spos = 0 if $spos < 0;
 331                                 show_screen();
 332                         } else {
 333                                 beep();
 334                         }
 335                 } elsif ($r eq KEY_NPAGE || $r eq "\026") {
 336                         if ($spos < @shistory - 1) {
 337                                 my ($i, $l);
 338                                 for ($i = 0; $i <= $pagel && $spos <= @shistory; ) {
 339                                         $l = measure($shistory[$spos]);
 340                                         $i += $l;
 341                                         $spos++ if $i <= $pagel;
 342                                 }
 343                                 $spos = @shistory if $spos >= @shistory - 1;
 344                                 show_screen();
 345                         } else {
 346                                 beep();
 347                         }
 348                 } elsif ($r eq KEY_LEFT || $r eq "\002") {
 349                         if ($pos > 0) {
 350                                 --$pos;
 351                         } else {
 352                                 beep();
 353                         }
 354                 } elsif ($r eq KEY_RIGHT || $r eq "\006") {
 355                         if ($pos < $lth) {
 356                                 ++$pos;
 357                         } else {
 358                                 beep();
 359                         }
 360                 } elsif ($r eq KEY_HOME || $r eq "\001") {
 361                         $pos = 0;
 362                 } elsif ($r eq KEY_END || $r eq "\005") {
 363                         $pos = $lth;
 364                 } elsif ($r eq KEY_BACKSPACE || $r eq "\010") {
 365                         if ($pos > 0) {
 366                                 my $a = substr($inbuf, 0, $pos-1);
 367                                 my $b = substr($inbuf, $pos) if $pos < $lth;
 368                                 $b = "" unless $b;
 369
 370                                 $inbuf = $a . $b;
 371                                 --$lth;
 372                                 --$pos;
 373                         } else {
 374                                 beep();
 375                         }
 376                 } elsif ($r eq KEY_DC || $r eq "\004") {
 377                         if ($pos < $lth) {
 378                                 my $a = substr($inbuf, 0, $pos);
 379                                 my $b = substr($inbuf, $pos+1) if $pos < $lth;
 380                                 $b = "" unless $b;
 381
 382                                 $inbuf = $a . $b;
 383                                 --$lth;
 384                         } else {
 385                                 beep();
 386                         }
 387                 } elsif ($r eq KEY_RESIZE || $r eq "\0632") {
 388                         do_resize();
 389                         return;
 390                 } elsif (is_pctext($r)) {
 391                         # move the top screen back to the bottom if you type something
 392                         if ($spos < @shistory) {
 393                                 $spos = @shistory;
 394                                 show_screen();
 395                         }
 396
 397                 #       $r = ($r lt ' ' || $r gt "\x7e") ? sprintf("'%x", ord $r) : $r;
 398
 399                         # insert the character into the keyboard buffer
 400                         if ($pos < $lth) {
 401                                 my $a = substr($inbuf, 0, $pos);
 402                                 my $b = substr($inbuf, $pos);
 403                                 $inbuf = $a . $r . $b;
 404                         } else {
 405                                 $inbuf .= $r;
 406                         }
 407                         $pos++;
 408                         $lth++;
 409                 } elsif ($r eq "\014" || $r eq "\022") {
 410                         touchwin(curscr, 1);
 411                         refresh(curscr);
 412                         return;
 413                 } elsif ($r eq "\013") {
 414                         $inbuf = substr($inbuf, 0, $pos);
 415                         $lth = length $inbuf;
 416                 } else {
 417                         beep();
 418                 }
 419                 $bot->move(1, 0);
 420                 $bot->clrtobot();
 421                 $bot->addstr($inbuf);
 422         }
 423         $bot->move(1, $pos);
 424         $bot->refresh();
 425 }
 426
 427
 428 #
 429 # deal with args
 430 #
 431
 432 $call = uc shift @ARGV if @ARGV;
 433 $call = uc $myalias if !$call;
 434 my ($scall, $ssid) = split /-/, $call;
 435 $ssid = undef unless $ssid && $ssid =~ /^\d+$/;
 436 if ($ssid) {
 437         $ssid = 15 if $ssid > 15;
 438         $call = "$scall-$ssid";
 439 }
 440
 441 if ($call eq $mycall) {
 442         print "You cannot connect as your cluster callsign ($mycall)\n";
 443         exit(0);
 444 }
 445
 446 dbginit();
 447
 448 $conn = IntMsg->connect("$clusteraddr", $clusterport, \&rec_socket);
 449 if (! $conn) {
 450         if (-r "$data/offline") {
 451                 open IN, "$data/offline" or die;
 452                 while (<IN>) {
 453                         print $_;
 454                 }
 455                 close IN;
 456         } else {
 457                 print "Sorry, the cluster $mycall is currently off-line\n";
 458         }
 459         exit(0);
 460 }
 461
 462 $conn->set_error(sub{cease(0)});
 463
 464
 465 unless ($DB::VERSION) {
 466         $SIG{'INT'} = \&sig_term;
 467         $SIG{'TERM'} = \&sig_term;
 468 }
 469
 470 $SIG{'HUP'} = \&sig_term;
 471
 472 # start up
 473 do_resize();
 474
 475 $SIG{__DIE__} = \&sig_term;
 476
 477 $conn->send_later("A$call|$connsort width=$cols");
 478 $conn->send_later("I$call|set/page $maxshist");
 479 $conn->send_later("I$call|set/nobeep");
 480
 481 #Msg->set_event_handler(\*STDIN, "read" => \&rec_stdin);
 482
 483 my $lastmin = 0;
 484 for (;;) {
 485         my $t;
 486         Msg->event_loop(1, 0.01);
 487         $t = time;
 488         if ($t > $lasttime) {
 489                 my ($min)= (gmtime($t))[1];
 490                 if ($min != $lastmin) {
 491                         show_screen();
 492                         $lastmin = $min;
 493                 }
 494                 $lasttime = $t;
 495         }
 496         my $ch = $bot->getch();
 497         if ($winch) {
 498 #               mydbg("Got Resize");
 499 #               do_resize();
 500                 next;
 501         }
 502         if (defined $ch) {
 503                 if ($ch ne '-1') {
 504                         rec_stdin($ch);
 505                 }
 506         }
 507         $top->refresh() if $top->is_wintouched;
 508         $bot->refresh();
 509 }
 510
 511 exit(0);