my $engine = "wine Rybkav2.3.2a.mp.w32.exe";
my $telltarget = undef; # undef to be silent
my @tell_intervals = (5, 20, 60, 120, 240, 480, 960); # after each move
+my $uci_assume_full_compliance = 1; # dangerous :-)
# Program starts here
$SIG{ALRM} = sub { output_screen(); };
if (!defined($pos_waiting)) {
uciprint("stop");
}
- $pos_waiting = $pos;
+ if ($uci_assume_full_compliance) {
+ $pos_waiting = $pos;
+ } else {
+ uciprint("position fen " . $pos->{'fen'});
+ uciprint("go infinite");
+ $pos_calculating = $pos;
+ }
} else {
# it's wrong just to give the FEN (the move history is useful,
# and per the UCI spec, we should really have sent "ucinewgame"),
# any fun on the UCI channel?
if ($nfound > 0 && vec($rout, fileno(UCIREAD), 1) == 1) {
- my $line = <UCIREAD>;
+ #
+ # Read until we've got a full line -- if the engine sends part of
+ # a line and then stops we're pretty much hosed, but that should
+ # never happen.
+ #
+ my $line = '';
+ while ($line !~ /\n/) {
+ my $tmp;
+ my $ret = sysread UCIREAD, $tmp, 1;
+
+ if (!defined($ret)) {
+ next if ($!{EINTR});
+ die "error in reading from the UCI engine: $!";
+ } elsif ($ret == 0) {
+ die "EOF from UCI engine";
+ }
+
+ $line .= $tmp;
+ }
+
+ $line =~ tr/\r\n//d;
handle_uci($line);
$sleep = 0;
parse_ids(@ids);
}
- if ($line =~ /^bestmove/) {
+ if ($line =~ /^bestmove/ && $uci_assume_full_compliance) {
if (defined($pos_waiting)) {
uciprint("position fen " . $pos_waiting->{'fen'});
uciprint("go infinite");