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 Time::HiRes qw(gettimeofday tv_interval);
  36 use Curses 1.06;
  37 use Text::Wrap;
  38
  39 use Console;
  40
  41 #
  42 # initialisation
  43 #
  44
  45 $call = "";                     # the callsign being used
  46 $conn = 0;                      # the connection object for the cluster
  47 $lasttime = time;               # lasttime something happened on the interface
  48
  49 $connsort = "local";
  50 @khistory = ();
  51 @shistory = ();
  52 $khistpos = 0;
  53 $spos = $pos = $lth = 0;
  54 $inbuf = "";
  55 @time = ();
  56
  57 $SIG{WINCH} = sub {@time = gettimeofday};
  58
  59 sub mydbg
  60 {
  61         local *STDOUT = undef;
  62         dbg(@_);
  63 }
  64
  65 # do the screen initialisation
  66 sub do_initscr
  67 {
  68         $scr = new Curses;
  69         if ($has_colors) {
  70                 start_color();
  71                 init_pair("0", $foreground, $background);
  72 #               init_pair(0, $background, $foreground);
  73                 init_pair(1, COLOR_RED, $background);
  74                 init_pair(2, COLOR_YELLOW, $background);
  75                 init_pair(3, COLOR_GREEN, $background);
  76                 init_pair(4, COLOR_CYAN, $background);
  77                 init_pair(5, COLOR_BLUE, $background);
  78                 init_pair(6, COLOR_MAGENTA, $background);
  79                 init_pair(7, COLOR_RED, COLOR_BLUE);
  80                 init_pair(8, COLOR_YELLOW, COLOR_BLUE);
  81                 init_pair(9, COLOR_GREEN, COLOR_BLUE);
  82                 init_pair(10, COLOR_CYAN, COLOR_BLUE);
  83                 init_pair(11, COLOR_BLUE, COLOR_RED);
  84                 init_pair(12, COLOR_MAGENTA, COLOR_BLUE);
  85                 init_pair(13, COLOR_YELLOW, COLOR_GREEN);
  86                 init_pair(14, COLOR_RED, COLOR_GREEN);
  87                 eval { assume_default_colors($foreground, $background) };
  88         }
  89
  90         $top = $scr->subwin($lines-4, $cols, 0, 0);
  91         $top->intrflush(0);
  92         $top->scrollok(1);
  93         $top->idlok(1);
  94         $top->meta(1);
  95 #       $scr->addstr($lines-4, 0, '-' x $cols);
  96         $bot = $scr->subwin(3, $cols, $lines-3, 0);
  97         $bot->intrflush(0);
  98         $bot->scrollok(1);
  99         $top->idlok(1);
 100         $bot->keypad(1);
 101         $bot->move(1,0);
 102         $bot->meta(1);
 103         $bot->nodelay(1);
 104         $scr->refresh();
 105
 106         $pagel = $lines-4;
 107         $mycallcolor = COLOR_PAIR(1) unless $mycallcolor;
 108 }
 109
 110 sub do_resize
 111 {
 112         endwin() if $scr;
 113         initscr();
 114         raw();
 115         noecho();
 116         nonl();
 117         $lines = LINES;
 118         $cols = COLS;
 119         $has_colors = has_colors();
 120         do_initscr();
 121
 122         show_screen();
 123 }
 124
 125 # cease communications
 126 sub cease
 127 {
 128         my $sendz = shift;
 129         $conn->disconnect if $conn;
 130         endwin();
 131         dbgclose();
 132         print @_ if @_;
 133         exit(0);
 134 }
 135
 136 # terminate program from signal
 137 sub sig_term
 138 {
 139         cease(1, @_);
 140 }
 141
 142 # determine the colour of the line
 143 sub setattr
 144 {
 145         if ($has_colors) {
 146                 foreach my $ref (@colors) {
 147                         if ($_[0] =~ m{$$ref[0]}) {
 148                                 $top->attrset($$ref[1]);
 149                                 last;
 150                         }
 151                 }
 152         }
 153 }
 154
 155 # measure the no of screen lines a line will take
 156 sub measure
 157 {
 158         my $line = shift;
 159         return 0 unless $line;
 160
 161         my $l = length $line;
 162         my $lines = int ($l / $cols);
 163         $lines++ if $l / $cols > $lines;
 164         return $lines;
 165 }
 166
 167 # display the top screen
 168 sub show_screen
 169 {
 170         if ($spos == @shistory - 1) {
 171
 172                 # if we really are scrolling thru at the end of the history
 173                 my $line = $shistory[$spos];
 174                 $top->addstr("\n") if $spos > 0;
 175                 setattr($line);
 176                 $top->addstr($line);
 177 #               $top->addstr("\n");
 178                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
 179                 $spos = @shistory;
 180
 181         } else {
 182
 183                 # anywhere else
 184                 my ($i, $l);
 185                 my $p = $spos-1;
 186                 for ($i = 0; $i < $pagel && $p >= 0; ) {
 187                         $l = measure($shistory[$p]);
 188                         $i += $l;
 189                         $p-- if $i < $pagel;
 190                 }
 191                 $p = 0 if $p < 0;
 192
 193                 $top->move(0, 0);
 194                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
 195                 $top->clrtobot();
 196                 for ($i = 0; $i < $pagel && $p < @shistory; $p++) {
 197                         my $line = $shistory[$p];
 198                         my $lines = measure($line);
 199                         last if $i + $lines > $pagel;
 200                         $top->addstr("\n") if $i;
 201                         setattr($line);
 202                         $top->addstr($line);
 203                         $top->attrset(COLOR_PAIR(0)) if $has_colors;
 204                         $i += $lines;
 205                 }
 206                 $spos = $p;
 207                 $spos = @shistory if $spos > @shistory;
 208         }
 209     my $shl = @shistory;
 210         my $size = $lines . 'x' . $cols . '-';
 211         my $add = "-$spos-$shl";
 212     my $time = ztime(time);
 213         my $str =  "-" . $time . '-' x ($cols - (length($size) + length($call) + length($add) + length($time) + 1));
 214         $scr->addstr($lines-4, 0, $str);
 215
 216         $scr->addstr($size);
 217         $scr->attrset($mycallcolor) if $has_colors;
 218         $scr->addstr($call);
 219         $scr->attrset(COLOR_PAIR(0)) if $has_colors;
 220     $scr->addstr($add);
 221         $scr->refresh();
 222 #       $top->refresh();
 223 }
 224
 225 # add a line to the end of the top screen
 226 sub addtotop
 227 {
 228         while (@_) {
 229                 my $inbuf = shift;
 230                 if ($inbuf =~ s/\x07+$//) {
 231                         beep();
 232                 }
 233                 if (length $inbuf > $cols) {
 234                         $Text::Wrap::Columns = $cols;
 235                         push @shistory, wrap('',"\t", $inbuf);
 236                 } else {
 237                         push @shistory, $inbuf;
 238                 }
 239                 shift @shistory while @shistory > $maxshist;
 240         }
 241         show_screen();
 242 }
 243
 244 # handle incoming messages
 245 sub rec_socket
 246 {
 247         my ($con, $msg, $err) = @_;
 248         if (defined $err && $err) {
 249                 cease(1);
 250         }
 251         if (defined $msg) {
 252                 my ($sort, $call, $line) = $msg =~ /^(\w)([^\|]+)\|(.*)$/;
 253
 254                 $line =~ s/[\x00-\x06\x08\x0a-\x19\x1b-\x1f\x80-\x9f]/./g;         # immutable CSI sequence + control characters
 255                 if ($sort && $sort eq 'D') {
 256                         $line = " " unless length($line);
 257                         addtotop($line);
 258                 } elsif ($sort && $sort eq 'Z') { # end, disconnect, go, away .....
 259                         cease(0);
 260                 }
 261                 # ******************************************************
 262                 # ******************************************************
 263                 # any other sorts that might happen are silently ignored.
 264                 # ******************************************************
 265                 # ******************************************************
 266         } else {
 267                 cease(0);
 268         }
 269         $top->refresh();
 270         $lasttime = time;
 271 }
 272
 273 sub rec_stdin
 274 {
 275         my $r = shift;;
 276
 277         #  my $prbuf;
 278         #  $prbuf = $buf;
 279         #  $prbuf =~ s/\r/\\r/;
 280         #  $prbuf =~ s/\n/\\n/;
 281         #  print "sys: $r ($prbuf)\n";
 282         if (defined $r) {
 283
 284                 $r = '0' if !$r;
 285
 286                 if ($r eq KEY_ENTER || $r eq "\n" || $r eq "\r") {
 287
 288                         # save the lines
 289                         $inbuf = " " unless length $inbuf;
 290
 291                         # check for a pling and do a search back for a command
 292                         if ($inbuf =~ /^!/o) {
 293                                 my $i;
 294                                 $inbuf =~ s/^!//o;
 295                                 for ($i = $#khistory; $i >= 0; $i--) {
 296                                         if ($khistory[$i] =~ /^$inbuf/) {
 297                                                 $inbuf = $khistory[$i];
 298                                                 last;
 299                                         }
 300                                 }
 301                                 if ($i < 0) {
 302                                         beep();
 303                                         return;
 304                                 }
 305                         }
 306                         push @khistory, $inbuf if length $inbuf;
 307                         shift @khistory if @khistory > $maxkhist;
 308                         $khistpos = @khistory;
 309                         $bot->move(0,0);
 310                         $bot->clrtoeol();
 311                         $bot->addstr(substr($inbuf, 0, $cols));
 312
 313                         # add it to the monitor window
 314                         unless ($spos == @shistory) {
 315                                 $spos = @shistory;
 316                                 show_screen();
 317                         };
 318                         addtotop($inbuf);
 319
 320                         # send it to the cluster
 321                         $conn->send_later("I$call|$inbuf");
 322                         $inbuf = "";
 323                         $pos = $lth = 0;
 324                 } elsif ($r eq KEY_UP || $r eq "\020") {
 325                         if ($khistpos > 0) {
 326                                 --$khistpos;
 327                                 $inbuf = $khistory[$khistpos];
 328                                 $pos = $lth = length $inbuf;
 329                         } else {
 330                                 beep();
 331                         }
 332                 } elsif ($r eq KEY_DOWN || $r eq "\016") {
 333                         if ($khistpos < @khistory - 1) {
 334                                 ++$khistpos;
 335                                 $inbuf = $khistory[$khistpos];
 336                                 $pos = $lth = length $inbuf;
 337                         } else {
 338                                 beep();
 339                         }
 340                 } elsif ($r eq KEY_PPAGE || $r eq "\032") {
 341                         if ($spos > 0) {
 342                                 my ($i, $l);
 343                                 for ($i = 0; $i < $pagel-1 && $spos >= 0; ) {
 344                                         $l = measure($shistory[$spos]);
 345                                         $i += $l;
 346                                         $spos-- if $i <= $pagel;
 347                                 }
 348                                 $spos = 0 if $spos < 0;
 349                                 show_screen();
 350                         } else {
 351                                 beep();
 352                         }
 353                 } elsif ($r eq KEY_NPAGE || $r eq "\026") {
 354                         if ($spos < @shistory - 1) {
 355                                 my ($i, $l);
 356                                 for ($i = 0; $i <= $pagel && $spos <= @shistory; ) {
 357                                         $l = measure($shistory[$spos]);
 358                                         $i += $l;
 359                                         $spos++ if $i <= $pagel;
 360                                 }
 361                                 $spos = @shistory if $spos >= @shistory - 1;
 362                                 show_screen();
 363                         } else {
 364                                 beep();
 365                         }
 366                 } elsif ($r eq KEY_LEFT || $r eq "\002") {
 367                         if ($pos > 0) {
 368                                 --$pos;
 369                         } else {
 370                                 beep();
 371                         }
 372                 } elsif ($r eq KEY_RIGHT || $r eq "\006") {
 373                         if ($pos < $lth) {
 374                                 ++$pos;
 375                         } else {
 376                                 beep();
 377                         }
 378                 } elsif ($r eq KEY_HOME || $r eq "\001") {
 379                         $pos = 0;
 380                 } elsif ($r eq KEY_END || $r eq "\005") {
 381                         $pos = $lth;
 382                 } elsif ($r eq KEY_BACKSPACE || $r eq "\010" || $r eq "\x7f") {
 383                         if ($pos > 0) {
 384                                 my $a = substr($inbuf, 0, $pos-1);
 385                                 my $b = substr($inbuf, $pos) if $pos < $lth;
 386                                 $b = "" unless $b;
 387
 388                                 $inbuf = $a . $b;
 389                                 --$lth;
 390                                 --$pos;
 391                         } else {
 392                                 beep();
 393                         }
 394                 } elsif ($r eq KEY_DC || $r eq "\004") {
 395                         if ($pos < $lth) {
 396                                 my $a = substr($inbuf, 0, $pos);
 397                                 my $b = substr($inbuf, $pos+1) if $pos < $lth;
 398                                 $b = "" unless $b;
 399
 400                                 $inbuf = $a . $b;
 401                                 --$lth;
 402                         } else {
 403                                 beep();
 404                         }
 405                 } elsif ($r eq KEY_RESIZE || $r eq "\0632") {
 406                         do_resize();
 407                         return;
 408                 } elsif (defined $r && is_pctext($r)) {
 409                         # move the top screen back to the bottom if you type something
 410                         if ($spos < @shistory) {
 411                                 $spos = @shistory;
 412                                 show_screen();
 413                         }
 414
 415                 #       $r = ($r lt ' ' || $r gt "\x7e") ? sprintf("'%x", ord $r) : $r;
 416
 417                         # insert the character into the keyboard buffer
 418                         if ($pos < $lth) {
 419                                 my $a = substr($inbuf, 0, $pos);
 420                                 my $b = substr($inbuf, $pos);
 421                                 $inbuf = $a . $r . $b;
 422                         } else {
 423                                 $inbuf .= $r;
 424                         }
 425                         $pos++;
 426                         $lth++;
 427                 } elsif ($r eq "\014" || $r eq "\022") {
 428                         touchwin(curscr, 1);
 429                         refresh(curscr);
 430                         return;
 431                 } elsif ($r eq "\013") {
 432                         $inbuf = substr($inbuf, 0, $pos);
 433                         $lth = length $inbuf;
 434                 } else {
 435                         beep();
 436                 }
 437                 $bot->move(1, 0);
 438                 $bot->clrtobot();
 439                 $bot->addstr($inbuf);
 440         }
 441         $bot->move(1, $pos);
 442         $bot->refresh();
 443 }
 444
 445
 446 #
 447 # deal with args
 448 #
 449
 450 $call = uc shift @ARGV if @ARGV;
 451 $call = uc $myalias if !$call;
 452 my ($scall, $ssid) = split /-/, $call;
 453 $ssid = undef unless $ssid && $ssid =~ /^\d+$/;
 454 if ($ssid) {
 455         $ssid = 15 if $ssid > 15;
 456         $call = "$scall-$ssid";
 457 }
 458
 459 if ($call eq $mycall) {
 460         print "You cannot connect as your cluster callsign ($mycall)\n";
 461         exit(0);
 462 }
 463
 464 dbginit();
 465
 466 $conn = IntMsg->connect("$clusteraddr", $clusterport, \&rec_socket);
 467 if (! $conn) {
 468         if (-r "$data/offline") {
 469                 open IN, "$data/offline" or die;
 470                 while (<IN>) {
 471                         print $_;
 472                 }
 473                 close IN;
 474         } else {
 475                 print "Sorry, the cluster $mycall is currently off-line\n";
 476         }
 477         exit(0);
 478 }
 479
 480 $conn->set_error(sub{cease(0)});
 481
 482
 483 unless ($DB::VERSION) {
 484         $SIG{'INT'} = \&sig_term;
 485         $SIG{'TERM'} = \&sig_term;
 486 }
 487
 488 $SIG{'HUP'} = \&sig_term;
 489
 490 # start up
 491 do_resize();
 492
 493 $SIG{__DIE__} = \&sig_term;
 494
 495 $conn->send_later("A$call|$connsort width=$cols");
 496 $conn->send_later("I$call|set/page $maxshist");
 497 #$conn->send_later("I$call|set/nobeep");
 498
 499 #Msg->set_event_handler(\*STDIN, "read" => \&rec_stdin);
 500
 501 $Text::Wrap::Columns = $cols;
 502
 503 my $lastmin = 0;
 504 for (;;) {
 505         my $t;
 506         Msg->event_loop(1, 0.01);
 507         $t = time;
 508         if ($t > $lasttime) {
 509                 my ($min)= (gmtime($t))[1];
 510                 if ($min != $lastmin) {
 511                         show_screen();
 512                         $lastmin = $min;
 513                 }
 514                 $lasttime = $t;
 515         }
 516         my $ch = $bot->getch();
 517         if (@time && tv_interval(\@time, [gettimeofday]) >= 1) {
 518 #               mydbg("Got Resize");
 519 #               do_resize();
 520                 next;
 521         }
 522         if (defined $ch) {
 523                 if ($ch ne '-1') {
 524                         rec_stdin($ch);
 525                 }
 526         }
 527         $top->refresh() if $top->is_wintouched;
 528         $bot->refresh();
 529 }
 530
 531 exit(0);