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                 # ******************************************************
 226                 # any other sorts that might happen are silently ignored.
 227                 # ******************************************************
 228                 # ******************************************************
 229         }
 230         $top->refresh();
 231         $lasttime = time;
 232 }
 233
 234 sub rec_stdin
 235 {
 236         my ($fh) = @_;
 237
 238         $r = $bot->getch();
 239
 240         #  my $prbuf;
 241         #  $prbuf = $buf;
 242         #  $prbuf =~ s/\r/\\r/;
 243         #  $prbuf =~ s/\n/\\n/;
 244         #  print "sys: $r ($prbuf)\n";
 245         if (defined $r) {
 246
 247                 if ($r eq KEY_ENTER || $r eq "\n" || $r eq "\r") {
 248
 249                         # save the lines
 250                         if ($inbuf) {
 251                                 # check for a pling and do a search back for a command
 252                                 if ($inbuf =~ /^!/o) {
 253                                         my $i;
 254                                         $inbuf =~ s/^!//o;
 255                                         for ($i = $#khistory; $i >= 0; $i--) {
 256                                                 if ($khistory[$i] =~ /^$inbuf/) {
 257                                                         $inbuf = $khistory[$i];
 258                                                         last;
 259                                                 }
 260                                         }
 261                                         if ($i < 0) {
 262                                                 beep();
 263                                                 return;
 264                                         }
 265                                 }
 266                                 push @khistory, $inbuf if $inbuf;
 267                                 shift @khistory if @khistory > $maxkhist;
 268                                 $khistpos = @khistory;
 269                                 $bot->move(0,0);
 270                                 $bot->clrtoeol();
 271                                 $bot->addstr(substr($inbuf, 0, COLS));
 272                         }
 273
 274                         # add it to the monitor window
 275                         unless ($spos == @shistory) {
 276                                 $spos = @shistory;
 277                                 show_screen();
 278                         };
 279                         addtotop($inbuf) if $inbuf;
 280
 281                         # send it to the cluster
 282                         $inbuf = " " unless $inbuf;
 283                         $conn->send_later("I$call|$inbuf");
 284                         $inbuf = "";
 285                         $pos = $lth = 0;
 286                 } elsif ($r eq KEY_UP || $r eq "\020") {
 287                         if ($khistpos > 0) {
 288                                 --$khistpos;
 289                                 $inbuf = $khistory[$khistpos];
 290                                 $pos = $lth = length $inbuf;
 291                         } else {
 292                                 beep();
 293                         }
 294                 } elsif ($r eq KEY_DOWN || $r eq "\016") {
 295                         if ($khistpos < @khistory - 1) {
 296                                 ++$khistpos;
 297                                 $inbuf = $khistory[$khistpos];
 298                                 $pos = $lth = length $inbuf;
 299                         } else {
 300                                 beep();
 301                         }
 302                 } elsif ($r eq KEY_PPAGE || $r eq "\032") {
 303                         if ($spos > 0) {
 304                                 my ($i, $l);
 305                                 for ($i = 0; $i <= $pagel && $spos >= 0; ) {
 306                                         $l = measure($shistory[$spos]);
 307                                         $i += $l;
 308                                         $spos-- if $i <= $pagel;
 309                                 }
 310                                 $spos = 0 if $spos < 0;
 311                                 show_screen();
 312                         } else {
 313                                 beep();
 314                         }
 315                 } elsif ($r eq KEY_NPAGE || $r eq "\026") {
 316                         if ($spos < @shistory - 1) {
 317                                 my ($i, $l);
 318                                 for ($i = 0; $i <= $pagel && $spos <= @shistory; ) {
 319                                         $l = measure($shistory[$spos]);
 320                                         $i += $l;
 321                                         $spos++ if $i <= $pagel;
 322                                 }
 323                                 $spos = @shistory if $spos >= @shistory - 1;
 324                                 show_screen();
 325                         } else {
 326                                 beep();
 327                         }
 328                 } elsif ($r eq KEY_LEFT || $r eq "\002") {
 329                         if ($pos > 0) {
 330                                 --$pos;
 331                         } else {
 332                                 beep();
 333                         }
 334                 } elsif ($r eq KEY_RIGHT || $r eq "\006") {
 335                         if ($pos < $lth) {
 336                                 ++$pos;
 337                         } else {
 338                                 beep();
 339                         }
 340                 } elsif ($r eq KEY_HOME || $r eq "\001") {
 341                         $pos = 0;
 342                 } elsif ($r eq KEY_END || $r eq "\005") {
 343                         $pos = $lth;
 344                 } elsif ($r eq KEY_BACKSPACE || $r eq "\010") {
 345                         if ($pos > 0) {
 346                                 my $a = substr($inbuf, 0, $pos-1);
 347                                 my $b = substr($inbuf, $pos) if $pos < $lth;
 348                                 $b = "" unless $b;
 349
 350                                 $inbuf = $a . $b;
 351                                 --$lth;
 352                                 --$pos;
 353                         } else {
 354                                 beep();
 355                         }
 356                 } elsif ($r eq KEY_DC || $r eq "\004") {
 357                         if ($pos < $lth) {
 358                                 my $a = substr($inbuf, 0, $pos);
 359                                 my $b = substr($inbuf, $pos+1) if $pos < $lth;
 360                                 $b = "" unless $b;
 361
 362                                 $inbuf = $a . $b;
 363                                 --$lth;
 364                         } else {
 365                                 beep();
 366                         }
 367                 } elsif ($r ge ' ' && $r le '~') {
 368                         # move the top screen back to the bottom if you type something
 369                         if ($spos < @shistory) {
 370                                 $spos = @shistory;
 371                                 show_screen();
 372                         }
 373
 374                         # insert the character into the keyboard buffer
 375                         if ($pos < $lth) {
 376                                 my $a = substr($inbuf, 0, $pos);
 377                                 my $b = substr($inbuf, $pos);
 378                                 $inbuf = $a . $r . $b;
 379                         } else {
 380                                 $inbuf .= $r;
 381                         }
 382                         $pos++;
 383                         $lth++;
 384                 } elsif ($r eq "\014" || $r eq "\022") {
 385                         #do_resize();
 386                         return;
 387                 } elsif ($r eq "\013") {
 388                         $inbuf = substr($inbuf, 0, $pos);
 389                         $lth = length $inbuf;
 390                 } else {
 391                         beep();
 392                 }
 393                 $bot->move(1, 0);
 394                 $bot->clrtobot();
 395                 $bot->addstr($inbuf);
 396         }
 397         $bot->move(1, $pos);
 398         $bot->refresh();
 399 }
 400
 401
 402 #
 403 # deal with args
 404 #
 405
 406 $call = uc shift @ARGV if @ARGV;
 407 $call = uc $myalias if !$call;
 408 my ($scall, $ssid) = split /-/, $call;
 409 $ssid = undef unless $ssid && $ssid =~ /^\d+$/;
 410 if ($ssid) {
 411         $ssid = 15 if $ssid > 15;
 412         $call = "$scall-$ssid";
 413 }
 414
 415 if ($call eq $mycall) {
 416         print "You cannot connect as your cluster callsign ($mycall)\n";
 417         exit(0);
 418 }
 419
 420 $conn = Msg->connect("$clusteraddr", $clusterport, \&rec_socket);
 421 if (! $conn) {
 422         if (-r "$data/offline") {
 423                 open IN, "$data/offline" or die;
 424                 while (<IN>) {
 425                         print $_;
 426                 }
 427                 close IN;
 428         } else {
 429                 print "Sorry, the cluster $mycall is currently off-line\n";
 430         }
 431         exit(0);
 432 }
 433
 434
 435 $SIG{'INT'} = \&sig_term;
 436 $SIG{'TERM'} = \&sig_term;
 437 #$SIG{'WINCH'} = \&do_resize;
 438 $SIG{'HUP'} = \&sig_term;
 439
 440 do_initscr();
 441
 442 $SIG{__DIE__} = \&sig_term;
 443
 444 $conn->send_later("A$call|$connsort");
 445 $conn->send_later("I$call|set/page $maxshist");
 446 $conn->send_later("I$call|set/nobeep");
 447
 448 Msg->set_event_handler(\*STDIN, "read" => \&rec_stdin);
 449
 450 my $lastmin = 0;
 451 for (;;) {
 452         my $t;
 453         Msg->event_loop(1, 1);
 454         $t = time;
 455         if ($t > $lasttime) {
 456                 my ($min)= (gmtime($t))[1];
 457                 if ($min != $lastmin) {
 458                         show_screen();
 459                         $lastmin = $min;
 460                 }
 461                 $lasttime = $t;
 462         }
 463         $top->refresh() if $top->is_wintouched;
 464         $bot->refresh();
 465 }
 466
 467 exit(0);