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 1.05;
  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(0, $background, $foreground);
  64                 init_pair(1, COLOR_RED, $background);
  65                 init_pair(2, COLOR_YELLOW, $background);
  66                 init_pair(3, COLOR_GREEN, $background);
  67                 init_pair(4, COLOR_CYAN, $background);
  68                 init_pair(5, COLOR_BLUE, $background);
  69                 init_pair(6, COLOR_MAGENTA, $background);
  70                 init_pair(7, COLOR_RED, COLOR_BLUE);
  71                 init_pair(8, COLOR_YELLOW, COLOR_BLUE);
  72                 init_pair(9, COLOR_GREEN, COLOR_BLUE);
  73                 init_pair(10, COLOR_CYAN, COLOR_BLUE);
  74                 init_pair(11, COLOR_BLUE, COLOR_RED);
  75                 init_pair(12, COLOR_MAGENTA, COLOR_BLUE);
  76                 init_pair(13, COLOR_YELLOW, COLOR_GREEN);
  77                 init_pair(14, COLOR_RED, COLOR_GREEN);
  78                 $scr->attrset(COLOR_PAIR(0));
  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...");
 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) = $msg =~ /^(\w)([^\|]+)\|(.*)$/;
 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                 # ******************************************************
 228                 # any other sorts that might happen are silently ignored.
 229                 # ******************************************************
 230                 # ******************************************************
 231         } else {
 232                 cease(0);
 233         }
 234         $top->refresh();
 235         $lasttime = time;
 236 }
 237
 238 sub rec_stdin
 239 {
 240         my ($fh) = @_;
 241
 242         $r = $bot->getch();
 243
 244         #  my $prbuf;
 245         #  $prbuf = $buf;
 246         #  $prbuf =~ s/\r/\\r/;
 247         #  $prbuf =~ s/\n/\\n/;
 248         #  print "sys: $r ($prbuf)\n";
 249         if (defined $r) {
 250
 251                 if ($r eq KEY_ENTER || $r eq "\n" || $r eq "\r") {
 252
 253                         # save the lines
 254                         if ($inbuf) {
 255                                 # check for a pling and do a search back for a command
 256                                 if ($inbuf =~ /^!/o) {
 257                                         my $i;
 258                                         $inbuf =~ s/^!//o;
 259                                         for ($i = $#khistory; $i >= 0; $i--) {
 260                                                 if ($khistory[$i] =~ /^$inbuf/) {
 261                                                         $inbuf = $khistory[$i];
 262                                                         last;
 263                                                 }
 264                                         }
 265                                         if ($i < 0) {
 266                                                 beep();
 267                                                 return;
 268                                         }
 269                                 }
 270                                 push @khistory, $inbuf if $inbuf;
 271                                 shift @khistory if @khistory > $maxkhist;
 272                                 $khistpos = @khistory;
 273                                 $bot->move(0,0);
 274                                 $bot->clrtoeol();
 275                                 $bot->addstr(substr($inbuf, 0, COLS));
 276                         }
 277
 278                         # add it to the monitor window
 279                         unless ($spos == @shistory) {
 280                                 $spos = @shistory;
 281                                 show_screen();
 282                         };
 283                         addtotop($inbuf) if $inbuf;
 284
 285                         # send it to the cluster
 286                         $inbuf = " " unless $inbuf;
 287                         $conn->send_later("I$call|$inbuf");
 288                         $inbuf = "";
 289                         $pos = $lth = 0;
 290                 } elsif ($r eq KEY_UP || $r eq "\020") {
 291                         if ($khistpos > 0) {
 292                                 --$khistpos;
 293                                 $inbuf = $khistory[$khistpos];
 294                                 $pos = $lth = length $inbuf;
 295                         } else {
 296                                 beep();
 297                         }
 298                 } elsif ($r eq KEY_DOWN || $r eq "\016") {
 299                         if ($khistpos < @khistory - 1) {
 300                                 ++$khistpos;
 301                                 $inbuf = $khistory[$khistpos];
 302                                 $pos = $lth = length $inbuf;
 303                         } else {
 304                                 beep();
 305                         }
 306                 } elsif ($r eq KEY_PPAGE || $r eq "\032") {
 307                         if ($spos > 0) {
 308                                 my ($i, $l);
 309                                 for ($i = 0; $i <= $pagel && $spos >= 0; ) {
 310                                         $l = measure($shistory[$spos]);
 311                                         $i += $l;
 312                                         $spos-- if $i <= $pagel;
 313                                 }
 314                                 $spos = 0 if $spos < 0;
 315                                 show_screen();
 316                         } else {
 317                                 beep();
 318                         }
 319                 } elsif ($r eq KEY_NPAGE || $r eq "\026") {
 320                         if ($spos < @shistory - 1) {
 321                                 my ($i, $l);
 322                                 for ($i = 0; $i <= $pagel && $spos <= @shistory; ) {
 323                                         $l = measure($shistory[$spos]);
 324                                         $i += $l;
 325                                         $spos++ if $i <= $pagel;
 326                                 }
 327                                 $spos = @shistory if $spos >= @shistory - 1;
 328                                 show_screen();
 329                         } else {
 330                                 beep();
 331                         }
 332                 } elsif ($r eq KEY_LEFT || $r eq "\002") {
 333                         if ($pos > 0) {
 334                                 --$pos;
 335                         } else {
 336                                 beep();
 337                         }
 338                 } elsif ($r eq KEY_RIGHT || $r eq "\006") {
 339                         if ($pos < $lth) {
 340                                 ++$pos;
 341                         } else {
 342                                 beep();
 343                         }
 344                 } elsif ($r eq KEY_HOME || $r eq "\001") {
 345                         $pos = 0;
 346                 } elsif ($r eq KEY_END || $r eq "\005") {
 347                         $pos = $lth;
 348                 } elsif ($r eq KEY_BACKSPACE || $r eq "\010") {
 349                         if ($pos > 0) {
 350                                 my $a = substr($inbuf, 0, $pos-1);
 351                                 my $b = substr($inbuf, $pos) if $pos < $lth;
 352                                 $b = "" unless $b;
 353
 354                                 $inbuf = $a . $b;
 355                                 --$lth;
 356                                 --$pos;
 357                         } else {
 358                                 beep();
 359                         }
 360                 } elsif ($r eq KEY_DC || $r eq "\004") {
 361                         if ($pos < $lth) {
 362                                 my $a = substr($inbuf, 0, $pos);
 363                                 my $b = substr($inbuf, $pos+1) if $pos < $lth;
 364                                 $b = "" unless $b;
 365
 366                                 $inbuf = $a . $b;
 367                                 --$lth;
 368                         } else {
 369                                 beep();
 370                         }
 371                 } elsif ($r ge ' ' && $r le '~') {
 372                         # move the top screen back to the bottom if you type something
 373                         if ($spos < @shistory) {
 374                                 $spos = @shistory;
 375                                 show_screen();
 376                         }
 377
 378                         # insert the character into the keyboard buffer
 379                         if ($pos < $lth) {
 380                                 my $a = substr($inbuf, 0, $pos);
 381                                 my $b = substr($inbuf, $pos);
 382                                 $inbuf = $a . $r . $b;
 383                         } else {
 384                                 $inbuf .= $r;
 385                         }
 386                         $pos++;
 387                         $lth++;
 388                 } elsif ($r eq "\014" || $r eq "\022") {
 389                         touchwin($curscr, 1);
 390                         refresh($curscr);
 391                         return;
 392                 } elsif ($r eq "\013") {
 393                         $inbuf = substr($inbuf, 0, $pos);
 394                         $lth = length $inbuf;
 395                 } else {
 396                         beep();
 397                 }
 398                 $bot->move(1, 0);
 399                 $bot->clrtobot();
 400                 $bot->addstr($inbuf);
 401         }
 402         $bot->move(1, $pos);
 403         $bot->refresh();
 404 }
 405
 406
 407 #
 408 # deal with args
 409 #
 410
 411 $call = uc shift @ARGV if @ARGV;
 412 $call = uc $myalias if !$call;
 413 my ($scall, $ssid) = split /-/, $call;
 414 $ssid = undef unless $ssid && $ssid =~ /^\d+$/;
 415 if ($ssid) {
 416         $ssid = 15 if $ssid > 15;
 417         $call = "$scall-$ssid";
 418 }
 419
 420 if ($call eq $mycall) {
 421         print "You cannot connect as your cluster callsign ($mycall)\n";
 422         exit(0);
 423 }
 424
 425 $conn = Msg->connect("$clusteraddr", $clusterport, \&rec_socket);
 426 if (! $conn) {
 427         if (-r "$data/offline") {
 428                 open IN, "$data/offline" or die;
 429                 while (<IN>) {
 430                         print $_;
 431                 }
 432                 close IN;
 433         } else {
 434                 print "Sorry, the cluster $mycall is currently off-line\n";
 435         }
 436         exit(0);
 437 }
 438
 439
 440 $SIG{'INT'} = \&sig_term;
 441 $SIG{'TERM'} = \&sig_term;
 442 #$SIG{'WINCH'} = \&do_resize;
 443 $SIG{'HUP'} = \&sig_term;
 444
 445 do_initscr();
 446
 447 $SIG{__DIE__} = \&sig_term;
 448
 449 $conn->send_later("A$call|$connsort");
 450 $conn->send_later("I$call|set/page $maxshist");
 451 $conn->send_later("I$call|set/nobeep");
 452
 453 Msg->set_event_handler(\*STDIN, "read" => \&rec_stdin);
 454
 455 my $lastmin = 0;
 456 for (;;) {
 457         my $t;
 458         Msg->event_loop(1, 1);
 459         $t = time;
 460         if ($t > $lasttime) {
 461                 my ($min)= (gmtime($t))[1];
 462                 if ($min != $lastmin) {
 463                         show_screen();
 464                         $lastmin = $min;
 465                 }
 466                 $lasttime = $t;
 467         }
 468         $top->refresh() if $top->is_wintouched;
 469         $bot->refresh();
 470 }
 471
 472 exit(0);