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