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