mirror of
git://scm.dxcluster.org/scm/spider
synced 2024-09-21 15:57:12 +00:00
533 lines
11 KiB
Perl
Executable File
533 lines
11 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#
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# this is the operators console.
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#
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# Calling syntax is:-
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#
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# console.pl [callsign]
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#
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# if the callsign isn't given then the sysop callsign in DXVars.pm is assumed
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#
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# Copyright (c) 1999 Dirk Koopman G1TLH
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#
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#
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#
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require 5.004;
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# search local then perl directories
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BEGIN {
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# root of directory tree for this system
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$root = "/spider";
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$root = $ENV{'DXSPIDER_ROOT'} if $ENV{'DXSPIDER_ROOT'};
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unshift @INC, "$root/perl"; # this IS the right way round!
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unshift @INC, "$root/local";
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$is_win = ($^O =~ /^MS/ || $^O =~ /^OS-2/) ? 1 : 0; # is it Windows?
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}
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use Msg;
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use IntMsg;
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use DXVars;
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use DXDebug;
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use DXUtil;
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use DXDebug;
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use IO::File;
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use Time::HiRes qw(gettimeofday tv_interval);
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use Curses 1.06;
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use Text::Wrap;
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use Console;
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#
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# initialisation
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#
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$call = ""; # the callsign being used
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$conn = 0; # the connection object for the cluster
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$lasttime = time; # lasttime something happened on the interface
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$connsort = "local";
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@khistory = ();
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@shistory = ();
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$khistpos = 0;
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$spos = $pos = $lth = 0;
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$inbuf = "";
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@time = ();
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#$SIG{WINCH} = sub {@time = gettimeofday};
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sub mydbg
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{
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local *STDOUT = undef;
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dbg(@_);
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}
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# do the screen initialisation
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sub do_initscr
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{
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$scr = new Curses;
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if ($has_colors) {
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start_color();
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init_pair("0", $foreground, $background);
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# init_pair(0, $background, $foreground);
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init_pair(1, COLOR_RED, $background);
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init_pair(2, COLOR_YELLOW, $background);
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init_pair(3, COLOR_GREEN, $background);
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init_pair(4, COLOR_CYAN, $background);
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init_pair(5, COLOR_BLUE, $background);
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init_pair(6, COLOR_MAGENTA, $background);
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init_pair(7, COLOR_RED, COLOR_BLUE);
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init_pair(8, COLOR_YELLOW, COLOR_BLUE);
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init_pair(9, COLOR_GREEN, COLOR_BLUE);
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init_pair(10, COLOR_CYAN, COLOR_BLUE);
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init_pair(11, COLOR_BLUE, COLOR_RED);
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init_pair(12, COLOR_MAGENTA, COLOR_BLUE);
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init_pair(13, COLOR_YELLOW, COLOR_GREEN);
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init_pair(14, COLOR_RED, COLOR_GREEN);
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eval { assume_default_colors($foreground, $background) } unless $is_win;
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}
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$top = $scr->subwin($lines-4, $cols, 0, 0);
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$top->intrflush(0);
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$top->scrollok(1);
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$top->idlok(1);
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$top->meta(1);
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# $scr->addstr($lines-4, 0, '-' x $cols);
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$bot = $scr->subwin(3, $cols, $lines-3, 0);
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$bot->intrflush(0);
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$bot->scrollok(1);
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$top->idlok(1);
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$bot->keypad(1);
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$bot->move(1,0);
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$bot->meta(1);
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$bot->nodelay(1);
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$scr->refresh();
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$pagel = $lines-4;
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$mycallcolor = COLOR_PAIR(1) unless $mycallcolor;
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}
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sub do_resize
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{
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endwin() if $scr;
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initscr();
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raw();
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noecho();
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nonl();
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$lines = LINES;
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$cols = COLS;
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$has_colors = has_colors();
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do_initscr();
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show_screen();
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}
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# cease communications
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sub cease
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{
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my $sendz = shift;
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$conn->disconnect if $conn;
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endwin();
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dbgclose();
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print @_ if @_;
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exit(0);
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}
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# terminate program from signal
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sub sig_term
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{
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cease(1, @_);
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}
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# determine the colour of the line
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sub setattr
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{
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if ($has_colors) {
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foreach my $ref (@colors) {
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if ($_[0] =~ m{$$ref[0]}) {
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$top->attrset($$ref[1]);
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last;
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}
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}
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}
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}
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# measure the no of screen lines a line will take
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sub measure
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{
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my $line = shift;
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return 0 unless $line;
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my $l = length $line;
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my $lines = int ($l / $cols);
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$lines++ if $l / $cols > $lines;
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return $lines;
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}
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# display the top screen
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sub show_screen
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{
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if ($spos == @shistory - 1) {
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# if we really are scrolling thru at the end of the history
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my $line = $shistory[$spos];
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$top->addstr("\n") if $spos > 0;
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setattr($line);
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$top->addstr($line);
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# $top->addstr("\n");
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$top->attrset(COLOR_PAIR(0)) if $has_colors;
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$spos = @shistory;
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} else {
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# anywhere else
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my ($i, $l);
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my $p = $spos-1;
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for ($i = 0; $i < $pagel && $p >= 0; ) {
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$l = measure($shistory[$p]);
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$i += $l;
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$p-- if $i < $pagel;
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}
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$p = 0 if $p < 0;
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$top->move(0, 0);
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$top->attrset(COLOR_PAIR(0)) if $has_colors;
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$top->clrtobot();
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for ($i = 0; $i < $pagel && $p < @shistory; $p++) {
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my $line = $shistory[$p];
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my $lines = measure($line);
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last if $i + $lines > $pagel;
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$top->addstr("\n") if $i;
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setattr($line);
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$top->addstr($line);
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$top->attrset(COLOR_PAIR(0)) if $has_colors;
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$i += $lines;
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}
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$spos = $p;
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$spos = @shistory if $spos > @shistory;
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}
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my $shl = @shistory;
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my $size = $lines . 'x' . $cols . '-';
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my $add = "-$spos-$shl";
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my $time = ztime(time);
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my $str = "-" . $time . '-' x ($cols - (length($size) + length($call) + length($add) + length($time) + 1));
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$scr->addstr($lines-4, 0, $str);
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$scr->addstr($size);
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$scr->attrset($mycallcolor) if $has_colors;
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$scr->addstr($call);
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$scr->attrset(COLOR_PAIR(0)) if $has_colors;
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$scr->addstr($add);
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$scr->refresh();
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# $top->refresh();
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}
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# add a line to the end of the top screen
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sub addtotop
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{
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while (@_) {
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my $inbuf = shift;
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if ($inbuf =~ s/\x07+$//) {
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beep();
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}
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if (length $inbuf >= $cols) {
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$Text::Wrap::Columns = $cols;
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push @shistory, wrap('',"\t", $inbuf);
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} else {
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push @shistory, $inbuf;
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}
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shift @shistory while @shistory > $maxshist;
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}
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show_screen();
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}
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# handle incoming messages
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sub rec_socket
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{
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my ($con, $msg, $err) = @_;
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if (defined $err && $err) {
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cease(1);
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}
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if (defined $msg) {
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my ($sort, $call, $line) = $msg =~ /^(\w)([^\|]+)\|(.*)$/;
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$line =~ s/[\x00-\x06\x08\x0a-\x19\x1b-\x1f\x80-\x9f]/./g; # immutable CSI sequence + control characters
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if ($sort && $sort eq 'D') {
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$line = " " unless length($line);
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addtotop($line);
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} elsif ($sort && $sort eq 'Z') { # end, disconnect, go, away .....
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cease(0);
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}
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# ******************************************************
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# ******************************************************
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# any other sorts that might happen are silently ignored.
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# ******************************************************
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# ******************************************************
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} else {
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cease(0);
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}
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$top->refresh();
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$lasttime = time;
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}
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sub rec_stdin
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{
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my $r = shift;;
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# my $prbuf;
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# $prbuf = $buf;
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# $prbuf =~ s/\r/\\r/;
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# $prbuf =~ s/\n/\\n/;
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# print "sys: $r ($prbuf)\n";
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if (defined $r) {
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$r = '0' if !$r;
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if ($r eq KEY_ENTER || $r eq "\n" || $r eq "\r") {
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# save the lines
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$inbuf = " " unless length $inbuf;
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# check for a pling and do a search back for a command
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if ($inbuf =~ /^!/o) {
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my $i;
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$inbuf =~ s/^!//o;
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for ($i = $#khistory; $i >= 0; $i--) {
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if ($khistory[$i] =~ /^$inbuf/) {
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$inbuf = $khistory[$i];
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last;
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}
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}
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if ($i < 0) {
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beep();
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return;
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}
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}
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push @khistory, $inbuf if length $inbuf;
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shift @khistory if @khistory > $maxkhist;
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$khistpos = @khistory;
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$bot->move(0,0);
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$bot->clrtoeol();
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$bot->addstr(substr($inbuf, 0, $cols));
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# add it to the monitor window
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unless ($spos == @shistory) {
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$spos = @shistory;
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show_screen();
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};
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addtotop($inbuf);
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# send it to the cluster
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$conn->send_later("I$call|$inbuf");
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$inbuf = "";
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$pos = $lth = 0;
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} elsif ($r eq KEY_UP || $r eq "\020") {
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if ($khistpos > 0) {
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--$khistpos;
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$inbuf = $khistory[$khistpos];
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$pos = $lth = length $inbuf;
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} else {
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beep();
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}
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} elsif ($r eq KEY_DOWN || $r eq "\016") {
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if ($khistpos < @khistory - 1) {
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++$khistpos;
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$inbuf = $khistory[$khistpos];
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$pos = $lth = length $inbuf;
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} else {
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beep();
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}
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} elsif ($r eq KEY_PPAGE || $r eq "\032") {
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if ($spos > 0) {
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my ($i, $l);
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for ($i = 0; $i < $pagel-1 && $spos >= 0; ) {
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$l = measure($shistory[$spos]);
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$i += $l;
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$spos-- if $i <= $pagel;
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}
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$spos = 0 if $spos < 0;
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show_screen();
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} else {
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beep();
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}
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} elsif ($r eq KEY_NPAGE || $r eq "\026") {
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if ($spos < @shistory - 1) {
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my ($i, $l);
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for ($i = 0; $i <= $pagel && $spos <= @shistory; ) {
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$l = measure($shistory[$spos]);
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$i += $l;
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$spos++ if $i <= $pagel;
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}
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$spos = @shistory if $spos >= @shistory - 1;
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show_screen();
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} else {
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beep();
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}
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} elsif ($r eq KEY_LEFT || $r eq "\002") {
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if ($pos > 0) {
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--$pos;
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} else {
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beep();
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}
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} elsif ($r eq KEY_RIGHT || $r eq "\006") {
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if ($pos < $lth) {
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++$pos;
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} else {
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beep();
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}
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} elsif ($r eq KEY_HOME || $r eq "\001") {
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$pos = 0;
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} elsif ($r eq KEY_END || $r eq "\005") {
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$pos = $lth;
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} elsif ($r eq KEY_BACKSPACE || $r eq "\010" || $r eq "\x7f") {
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if ($pos > 0) {
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my $a = substr($inbuf, 0, $pos-1);
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my $b = substr($inbuf, $pos) if $pos < $lth;
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$b = "" unless $b;
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$inbuf = $a . $b;
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--$lth;
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--$pos;
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} else {
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beep();
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}
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} elsif ($r eq KEY_DC || $r eq "\004") {
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if ($pos < $lth) {
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my $a = substr($inbuf, 0, $pos);
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my $b = substr($inbuf, $pos+1) if $pos < $lth;
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$b = "" unless $b;
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$inbuf = $a . $b;
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--$lth;
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} else {
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beep();
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}
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} elsif ($r eq KEY_RESIZE || $r eq "\0632") {
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do_resize();
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return;
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} elsif (defined $r && is_pctext($r)) {
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# move the top screen back to the bottom if you type something
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if ($spos < @shistory) {
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$spos = @shistory;
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show_screen();
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}
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# $r = ($r lt ' ' || $r gt "\x7e") ? sprintf("'%x", ord $r) : $r;
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# insert the character into the keyboard buffer
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if ($pos < $lth) {
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my $a = substr($inbuf, 0, $pos);
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my $b = substr($inbuf, $pos);
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$inbuf = $a . $r . $b;
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} else {
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$inbuf .= $r;
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}
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$pos++;
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$lth++;
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} elsif ($r eq "\014" || $r eq "\022") {
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touchwin(curscr, 1);
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refresh(curscr);
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return;
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} elsif ($r eq "\013") {
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$inbuf = substr($inbuf, 0, $pos);
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$lth = length $inbuf;
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} else {
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beep();
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}
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$bot->move(1, 0);
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$bot->clrtobot();
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$bot->addstr($inbuf);
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}
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$bot->move(1, $pos);
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$bot->refresh();
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}
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#
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# deal with args
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#
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$call = uc shift @ARGV if @ARGV;
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$call = uc $myalias if !$call;
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my ($scall, $ssid) = split /-/, $call;
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$ssid = undef unless $ssid && $ssid =~ /^\d+$/;
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if ($ssid) {
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$ssid = 15 if $ssid > 15;
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$call = "$scall-$ssid";
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}
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if ($call eq $mycall) {
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print "You cannot connect as your cluster callsign ($mycall)\n";
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exit(0);
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}
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dbginit();
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$conn = IntMsg->connect("$clusteraddr", $clusterport, \&rec_socket);
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if (! $conn) {
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if (-r "$data/offline") {
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open IN, "$data/offline" or die;
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while (<IN>) {
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print $_;
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}
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close IN;
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} else {
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print "Sorry, the cluster $mycall is currently off-line\n";
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}
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exit(0);
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}
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$conn->set_error(sub{cease(0)});
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unless ($DB::VERSION) {
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$SIG{'INT'} = \&sig_term;
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$SIG{'TERM'} = \&sig_term;
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}
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$SIG{'HUP'} = \&sig_term;
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# start up
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do_resize();
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$SIG{__DIE__} = \&sig_term;
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$conn->send_later("A$call|$connsort width=$cols");
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$conn->send_later("I$call|set/page $maxshist");
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#$conn->send_later("I$call|set/nobeep");
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#Msg->set_event_handler(\*STDIN, "read" => \&rec_stdin);
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$Text::Wrap::Columns = $cols;
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my $lastmin = 0;
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for (;;) {
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my $t;
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Msg->event_loop(1, 0.01);
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$t = time;
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if ($t > $lasttime) {
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my ($min)= (gmtime($t))[1];
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if ($min != $lastmin) {
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show_screen();
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$lastmin = $min;
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}
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$lasttime = $t;
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}
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my $ch = $bot->getch();
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if (@time && tv_interval(\@time, [gettimeofday]) >= 1) {
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# mydbg("Got Resize");
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# do_resize();
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next;
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}
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if (defined $ch) {
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if ($ch ne '-1') {
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rec_stdin($ch);
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}
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}
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$top->refresh() if $top->is_wintouched;
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$bot->refresh();
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}
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exit(0);
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