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 # display the top screen
  73 sub show_screen
  74 {
  75         my $p = $spos - $pages;
  76         my $i;
  77         $p = 0 if $p < 0;
  78
  79         $top->move(0, 0);
  80         $top->attrset(COLOR_PAIR(0)) if $has_colors;
  81         $top->clrtobot();
  82         for ($i = 0; $i < $pages && $p < @shistory; $i++, $p++) {
  83                 my $line = $shistory[$p];
  84                 $line = substr($line, 0, COLS()) if length $line > COLS();
  85                 $top->move($i, 0);
  86                 if ($has_colors) {
  87                         foreach my $ref (@colors) {
  88                                 if ($line =~ m{$$ref[0]}) {
  89                                         $top->attrset($$ref[1]);
  90                                         last;
  91                                 }
  92                         }
  93                 }
  94                 $top->addstr($line);
  95                 $top->attrset(COLOR_PAIR(0)) if $has_colors;
  96         }
  97         $spos = $p;
  98         $top->refresh();
  99 }
 100
 101 # handle incoming messages
 102 sub rec_socket
 103 {
 104         my ($con, $msg, $err) = @_;
 105         if (defined $err && $err) {
 106                 cease(1);
 107         }
 108         if (defined $msg) {
 109                 my ($sort, $call, $line) = $msg =~ /^(\w)(\S+)\|(.*)$/;
 110
 111                 if ($sort eq 'D') {
 112                         push @shistory, $line;
 113                         shift @shistory if @shistory > $maxshist;
 114                         $spos = @shistory if $spos >= @shistory - 1;
 115                         show_screen();
 116                 } elsif ($sort eq 'Z') { # end, disconnect, go, away .....
 117                         cease(0);
 118                 }
 119         }
 120         $top->refresh();
 121         $lasttime = time;
 122 }
 123
 124 sub rec_stdin
 125 {
 126         my ($fh) = @_;
 127
 128         $r = $bot->getch();
 129
 130         #  my $prbuf;
 131         #  $prbuf = $buf;
 132         #  $prbuf =~ s/\r/\\r/;
 133         #  $prbuf =~ s/\n/\\n/;
 134         #  print "sys: $r ($prbuf)\n";
 135         if (defined $r) {
 136                 if ($r eq KEY_ENTER || $r eq "\n" || $r eq "\r") {
 137
 138                         # save the lines
 139                         if ($inbuf) {
 140                                 push @khistory, $inbuf if $inbuf;
 141                                 shift @khistory if @khistory > $maxkhist;
 142                                 $khistpos = @khistory;
 143                                 $bot->move(0,0);
 144                                 $bot->clrtoeol();
 145                                 $bot->addstr(substr($inbuf, 0, COLS));
 146                         }
 147
 148                         # send it to the cluster
 149                         $inbuf = " " unless $inbuf;
 150                         $conn->send_later("I$call|$inbuf");
 151                         $inbuf = "";
 152                         $pos = $lth = 0;
 153                 } elsif ($r eq KEY_UP || $r eq "\020") {
 154                         if ($khistpos > 0) {
 155                                 --$khistpos;
 156                                 $inbuf = $khistory[$khistpos];
 157                                 $pos = $lth = length $inbuf;
 158                         } else {
 159                                 beep();
 160                         }
 161                 } elsif ($r eq KEY_DOWN || $r eq "\016") {
 162                         if ($khistpos < @khistory - 1) {
 163                                 ++$khistpos;
 164                                 $inbuf = $khistory[$khistpos];
 165                                 $pos = $lth = length $inbuf;
 166                         } else {
 167                                 beep();
 168                         }
 169                 } elsif ($r eq KEY_PPAGE || $r eq "\026") {
 170                         if ($spos > 0) {
 171                                 $spos -= $pages;
 172                                 $spos = 0 if $spos < 0;
 173                                 show_screen();
 174                         } else {
 175                                 beep();
 176                         }
 177                 } elsif ($r eq KEY_NPAGE || $r eq "\032") {
 178                         if ($spos < @shistory - 1) {
 179                                 $spos += $pages;
 180                                 $spos = @shistory if $spos > @shistory;
 181                                 show_screen();
 182                         } else {
 183                                 beep();
 184                         }
 185                 } elsif ($r eq KEY_LEFT || $r eq "\002") {
 186                         if ($pos > 0) {
 187                                 --$pos;
 188                         } else {
 189                                 beep();
 190                         }
 191                 } elsif ($r eq KEY_RIGHT || $r eq "\006") {
 192                         if ($pos < $lth) {
 193                                 ++$pos;
 194                         } else {
 195                                 beep();
 196                         }
 197                 } elsif ($r eq KEY_HOME || $r eq "\001") {
 198                         $pos = 0;
 199                 } elsif ($r eq KEY_BACKSPACE || $r eq "\010") {
 200                         if ($pos > 0) {
 201                                 my $a = substr($inbuf, 0, $pos-1);
 202                                 my $b = substr($inbuf, $pos) if $pos < $lth;
 203                                 $b = "" unless $b;
 204
 205                                 $inbuf = $a . $b;
 206                                 --$lth;
 207                                 --$pos;
 208                         } else {
 209                                 beep();
 210                         }
 211                 } elsif ($r eq KEY_DC || $r eq "\004") {
 212                         if ($pos < $lth) {
 213                                 my $a = substr($inbuf, 0, $pos);
 214                                 my $b = substr($inbuf, $pos+1) if $pos < $lth;
 215                                 $b = "" unless $b;
 216
 217                                 $inbuf = $a . $b;
 218                                 --$lth;
 219                         } else {
 220                                 beep();
 221                         }
 222                 } elsif ($r ge ' ' && $r le '~') {
 223                         if ($pos < $lth) {
 224                                 my $a = substr($inbuf, 0, $pos);
 225                                 my $b = substr($inbuf, $pos);
 226                                 $inbuf = $a . $r . $b;
 227                         } else {
 228                                 $inbuf .= $r;
 229                         }
 230                         $pos++;
 231                         $lth++;
 232                 } elsif ($r eq "\014" || $r eq "\022") {
 233                         $scr->touchwin();
 234                         $scr->refresh();
 235                 } elsif ($r eq "\013") {
 236                         $inbuf = "";
 237                         $pos = $lth = 0;
 238                 } else {
 239                         beep();
 240                 }
 241                 $bot->move(1, 0);
 242                 $bot->clrtobot();
 243                 $bot->addstr($inbuf);
 244         }
 245         $bot->move(1, $pos);
 246         $bot->refresh();
 247 }
 248
 249
 250 #
 251 # deal with args
 252 #
 253
 254 $call = uc shift @ARGV if @ARGV;
 255 $call = uc $myalias if !$call;
 256
 257 if ($call eq $mycall) {
 258         print "You cannot connect as your cluster callsign ($mycall)\n";
 259         exit(0);
 260 }
 261
 262 $conn = Msg->connect("$clusteraddr", $clusterport, \&rec_socket);
 263 if (! $conn) {
 264         if (-r "$data/offline") {
 265                 open IN, "$data/offline" or die;
 266                 while (<IN>) {
 267                         print $_;
 268                 }
 269                 close IN;
 270         } else {
 271                 print "Sorry, the cluster $mycall is currently off-line\n";
 272         }
 273         exit(0);
 274 }
 275
 276
 277 $SIG{'INT'} = \&sig_term;
 278 $SIG{'TERM'} = \&sig_term;
 279 $SIG{'HUP'} = 'IGNORE';
 280
 281 $scr = new Curses;
 282 raw();
 283 noecho();
 284 $has_colors = has_colors();
 285
 286 if ($has_colors) {
 287         start_color();
 288         init_pair(0, $foreground, $background);
 289         init_pair(1, COLOR_RED, $background);
 290         init_pair(2, COLOR_YELLOW, $background);
 291         init_pair(3, COLOR_GREEN, $background);
 292         init_pair(4, COLOR_CYAN, $background);
 293         init_pair(5, COLOR_BLUE, $background);
 294         init_pair(6, COLOR_MAGENTA, $background);
 295 }
 296
 297 $top = $scr->subwin(LINES()-4, COLS, 0, 0);
 298 $top->intrflush(0);
 299 $top->scrollok(1);
 300 $scr->addstr(LINES()-4, 0, '-' x COLS);
 301 $bot = $scr->subwin(3, COLS, LINES()-3, 0);
 302 $bot->intrflush(0);
 303 $bot->scrollok(1);
 304 $bot->keypad(1);
 305 $bot->move(1,0);
 306 $scr->refresh();
 307
 308 $SIG{__DIE__} = \&sig_term;
 309
 310 $pages = LINES()-4;
 311 my $dpages = $pages - 2;
 312
 313 $conn->send_now("A$call|$connsort");
 314 $conn->send_now("I$call|set/page $dpages");
 315 $conn->send_now("I$call|set/nobeep");
 316
 317 Msg->set_event_handler(\*STDIN, "read" => \&rec_stdin);
 318
 319 for (;;) {
 320         my $t;
 321         Msg->event_loop(1, 0.010);
 322         $top->refresh() if $top->is_wintouched;
 323         $bot->refresh();
 324         $t = time;
 325         if ($t > $lasttime) {
 326                 $lasttime = $t;
 327         }
 328 }
 329
 330 exit(0);