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 IO::File;
  32 use Curses;
  33
  34 use Carp qw{cluck};
  35
  36 use Console;
  37
  38 #
  39 # initialisation
  40 #
  41
  42 $call = "";                     # the callsign being used
  43 $conn = 0;                      # the connection object for the cluster
  44 $lasttime = time;               # lasttime something happened on the interface
  45
  46 $connsort = "local";
  47 @khistory = ();
  48 @shistory = ();
  49 $khistpos = 0;
  50 $spos = $pos = $lth = 0;
  51 $inbuf = "";
  52
  53 # cease communications
  54 sub cease
  55 {
  56         my $sendz = shift;
  57         if ($conn && $sendz) {
  58                 $conn->send_now("Z$call|bye...\n");
  59         }
  60         endwin();
  61         dbgclose();
  62         print @_ if @_;
  63         exit(0);
  64 }
  65
  66 # terminate program from signal
  67 sub sig_term
  68 {
  69         cease(1, @_);
  70 }
  71
  72 # determine the colour of the line
  73 sub setattr
  74 {
  75         if ($has_colors) {
  76                 foreach my $ref (@colors) {
  77                         if ($_[0] =~ m{$$ref[0]}) {
  78                                 $top->attrset($$ref[1]);
  79                                 last;
  80                         }
  81                 }
  82         }
  83 }
  84
  85 # display the top screen
  86 sub show_screen
  87 {
  88         if ($spos == @shistory - 1) {
  89
  90                 # if we really are scrolling thru at the end of the history
  91                 my $line = $shistory[-1];
  92                 $top->addstr("\n") if $spos > 0;
  93                 setattr($line);
  94                 $top->addstr($line);
  95                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
  96                 $spos = @shistory;
  97
  98         } else {
  99
 100                 # anywhere else
 101                 my $p = $spos - $pages;
 102                 my $i;
 103                 $p = 0 if $p < 0;
 104
 105                 $top->move(0, 0);
 106                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
 107                 $top->clrtobot();
 108                 for ($i = 0; $i < $pages && $p < @shistory; $i++, $p++) {
 109                         my $line = $shistory[$p];
 110                         $line = substr($line, 0, COLS()) if length $line > COLS();
 111                         $top->move($i, 0);
 112                         setattr($line);
 113                         $top->addstr($line);
 114                         $top->attrset(COLOR_PAIR(0)) if $has_colors;
 115                 }
 116                 $spos = $p;
 117         }
 118         $top->refresh();
 119 }
 120
 121 # add a line to the end of the top screen
 122 sub addtotop
 123 {
 124         my $inbuf = shift;
 125         push @shistory, $inbuf;
 126         shift @shistory if @shistory > $maxshist;
 127         show_screen();
 128 }
 129
 130 # handle incoming messages
 131 sub rec_socket
 132 {
 133         my ($con, $msg, $err) = @_;
 134         if (defined $err && $err) {
 135                 cease(1);
 136         }
 137         if (defined $msg) {
 138                 my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/;
 139
 140                 if ($sort eq 'D') {
 141                         addtotop($line);
 142                 } elsif ($sort eq 'Z') { # end, disconnect, go, away .....
 143                         cease(0);
 144                 }
 145         }
 146         $top->refresh();
 147         $lasttime = time;
 148 }
 149
 150 sub rec_stdin
 151 {
 152         my ($fh) = @_;
 153
 154         $r = $bot->getch();
 155
 156         #  my $prbuf;
 157         #  $prbuf = $buf;
 158         #  $prbuf =~ s/\r/\\r/;
 159         #  $prbuf =~ s/\n/\\n/;
 160         #  print "sys: $r ($prbuf)\n";
 161         if (defined $r) {
 162
 163                 if ($r eq KEY_ENTER || $r eq "\n" || $r eq "\r") {
 164
 165                         # save the lines
 166                         if ($inbuf) {
 167                                 # check for a pling and do a search back for a command
 168                                 if ($inbuf =~ /^!/o) {
 169                                         my $i;
 170                                         $inbuf =~ s/^!//o;
 171                                         for ($i = $#khistory; $i >= 0; $i--) {
 172                                                 if ($khistory[$i] =~ /^$inbuf/) {
 173                                                         $inbuf = $khistory[$i];
 174                                                         last;
 175                                                 }
 176                                         }
 177                                         if ($i < 0) {
 178                                                 beep();
 179                                                 return;
 180                                         }
 181                                 }
 182                                 push @khistory, $inbuf if $inbuf;
 183                                 shift @khistory if @khistory > $maxkhist;
 184                                 $khistpos = @khistory;
 185                                 $bot->move(0,0);
 186                                 $bot->clrtoeol();
 187                                 $bot->addstr(substr($inbuf, 0, COLS));
 188                         }
 189
 190                         # add it to the monitor window
 191                         addtotop($inbuf) if $inbuf;
 192
 193                         # send it to the cluster
 194                         $inbuf = " " unless $inbuf;
 195                         $conn->send_later("I$call|$inbuf");
 196                         $inbuf = "";
 197                         $pos = $lth = 0;
 198                 } elsif ($r eq KEY_UP || $r eq "\020") {
 199                         if ($khistpos > 0) {
 200                                 --$khistpos;
 201                                 $inbuf = $khistory[$khistpos];
 202                                 $pos = $lth = length $inbuf;
 203                         } else {
 204                                 beep();
 205                         }
 206                 } elsif ($r eq KEY_DOWN || $r eq "\016") {
 207                         if ($khistpos < @khistory - 1) {
 208                                 ++$khistpos;
 209                                 $inbuf = $khistory[$khistpos];
 210                                 $pos = $lth = length $inbuf;
 211                         } else {
 212                                 beep();
 213                         }
 214                 } elsif ($r eq KEY_PPAGE || $r eq "\032") {
 215                         if ($spos > 0) {
 216                                 $spos -= $pages;
 217                                 $spos = 0 if $spos < 0;
 218                                 show_screen();
 219                         } else {
 220                                 beep();
 221                         }
 222                 } elsif ($r eq KEY_NPAGE || $r eq "\026") {
 223                         if ($spos < @shistory - 1) {
 224                                 $spos += $pages;
 225                                 $spos = @shistory if $spos > @shistory;
 226                                 show_screen();
 227                         } else {
 228                                 beep();
 229                         }
 230                 } elsif ($r eq KEY_LEFT || $r eq "\002") {
 231                         if ($pos > 0) {
 232                                 --$pos;
 233                         } else {
 234                                 beep();
 235                         }
 236                 } elsif ($r eq KEY_RIGHT || $r eq "\006") {
 237                         if ($pos < $lth) {
 238                                 ++$pos;
 239                         } else {
 240                                 beep();
 241                         }
 242                 } elsif ($r eq KEY_HOME || $r eq "\001") {
 243                         $pos = 0;
 244                 } elsif ($r eq KEY_END || $r eq "\005") {
 245                         $pos = $lth;
 246                 } elsif ($r eq KEY_BACKSPACE || $r eq "\010") {
 247                         if ($pos > 0) {
 248                                 my $a = substr($inbuf, 0, $pos-1);
 249                                 my $b = substr($inbuf, $pos) if $pos < $lth;
 250                                 $b = "" unless $b;
 251
 252                                 $inbuf = $a . $b;
 253                                 --$lth;
 254                                 --$pos;
 255                         } else {
 256                                 beep();
 257                         }
 258                 } elsif ($r eq KEY_DC || $r eq "\004") {
 259                         if ($pos < $lth) {
 260                                 my $a = substr($inbuf, 0, $pos);
 261                                 my $b = substr($inbuf, $pos+1) if $pos < $lth;
 262                                 $b = "" unless $b;
 263
 264                                 $inbuf = $a . $b;
 265                                 --$lth;
 266                         } else {
 267                                 beep();
 268                         }
 269                 } elsif ($r ge ' ' && $r le '~') {
 270                         # move the top screen back to the bottom if you type something
 271                         if ($spos < @shistory - 1) {
 272                                 $spos = @shistory;
 273                                 show_screen();
 274                         }
 275
 276                         # insert the character into the keyboard buffer
 277                         if ($pos < $lth) {
 278                                 my $a = substr($inbuf, 0, $pos);
 279                                 my $b = substr($inbuf, $pos);
 280                                 $inbuf = $a . $r . $b;
 281                         } else {
 282                                 $inbuf .= $r;
 283                         }
 284                         $pos++;
 285                         $lth++;
 286                 } elsif ($r eq "\014" || $r eq "\022") {
 287 #                       curscr()->refresh();
 288                         return;
 289                 } elsif ($r eq "\013") {
 290                         $inbuf = substr($inbuf, 0, $pos);
 291                         $lth = length $inbuf;
 292                 } else {
 293                         beep();
 294                 }
 295                 $bot->move(1, 0);
 296                 $bot->clrtobot();
 297                 $bot->addstr($inbuf);
 298         }
 299         $bot->move(1, $pos);
 300         $bot->refresh();
 301 }
 302
 303
 304 #
 305 # deal with args
 306 #
 307
 308 $call = uc shift @ARGV if @ARGV;
 309 $call = uc $myalias if !$call;
 310
 311 if ($call eq $mycall) {
 312         print "You cannot connect as your cluster callsign ($mycall)\n";
 313         exit(0);
 314 }
 315
 316 $conn = Msg->connect("$clusteraddr", $clusterport, \&rec_socket);
 317 if (! $conn) {
 318         if (-r "$data/offline") {
 319                 open IN, "$data/offline" or die;
 320                 while (<IN>) {
 321                         print $_;
 322                 }
 323                 close IN;
 324         } else {
 325                 print "Sorry, the cluster $mycall is currently off-line\n";
 326         }
 327         exit(0);
 328 }
 329
 330
 331 $SIG{'INT'} = \&sig_term;
 332 $SIG{'TERM'} = \&sig_term;
 333 $SIG{'HUP'} = 'IGNORE';
 334
 335 $scr = new Curses;
 336 raw();
 337 noecho();
 338 $has_colors = has_colors();
 339
 340 if ($has_colors) {
 341         start_color();
 342         init_pair(0, $foreground, $background);
 343         init_pair(1, COLOR_RED, $background);
 344         init_pair(2, COLOR_YELLOW, $background);
 345         init_pair(3, COLOR_GREEN, $background);
 346         init_pair(4, COLOR_CYAN, $background);
 347         init_pair(5, COLOR_BLUE, $background);
 348         init_pair(6, COLOR_MAGENTA, $background);
 349 }
 350
 351 $top = $scr->subwin(LINES()-4, COLS, 0, 0);
 352 $top->intrflush(0);
 353 $top->scrollok(1);
 354 $scr->addstr(LINES()-4, 0, '-' x COLS);
 355 $bot = $scr->subwin(3, COLS, LINES()-3, 0);
 356 $bot->intrflush(0);
 357 $bot->scrollok(1);
 358 $bot->keypad(1);
 359 $bot->move(1,0);
 360 $scr->refresh();
 361
 362 $SIG{__DIE__} = \&sig_term;
 363
 364 $pages = LINES()-4;
 365
 366 $conn->send_now("A$call|$connsort");
 367 $conn->send_now("I$call|set/page $maxshist");
 368 $conn->send_now("I$call|set/nobeep");
 369
 370 Msg->set_event_handler(\*STDIN, "read" => \&rec_stdin);
 371
 372 for (;;) {
 373         my $t;
 374         Msg->event_loop(1, 0.010);
 375         $top->refresh() if $top->is_wintouched;
 376         $bot->refresh();
 377         $t = time;
 378         if ($t > $lasttime) {
 379                 $lasttime = $t;
 380         }
 381 }
 382
 383 exit(0);