# Licensed under the GNU General Public License, version 2.
#
+use AnyEvent;
+use AnyEvent::Handle;
+use AnyEvent::HTTP;
+use Chess::PGN::Parse;
+use EV;
use Net::Telnet;
use FileHandle;
use IPC::Open2;
# Program starts here
$SIG{ALRM} = sub { output(); };
my $latest_update = undef;
+my $http_timer = undef;
$| = 1;
select(STDOUT);
# open the chess engine
-my $engine = open_engine($engine_cmdline, 'E1');
-my $engine2 = open_engine($engine2_cmdline, 'E2');
+my $engine = open_engine($engine_cmdline, 'E1', sub { handle_uci(@_, 1); });
+my $engine2 = open_engine($engine2_cmdline, 'E2', sub { handle_uci(@_, 0); });
my $last_move;
my $last_text = '';
my ($pos_waiting, $pos_calculating, $pos_calculating_second_engine);
$t->cmd("set seek 0");
$t->cmd("set style 12");
$t->cmd("observe $target");
-
-# main loop
print "FICS ready.\n";
-while (1) {
- my $rin = '';
- my $rout;
- vec($rin, fileno($engine->{'read'}), 1) = 1;
- if (defined($engine2)) {
- vec($rin, fileno($engine2->{'read'}), 1) = 1;
- }
- vec($rin, fileno($t), 1) = 1;
-
- my ($nfound, $timeleft) = select($rout=$rin, undef, undef, 5.0);
- my $sleep = 1.0;
-
- while (1) {
- my $line = $t->getline(Timeout => 0, errmode => 'return');
- last if (!defined($line));
-
- chomp $line;
- $line =~ tr/\r//d;
- if ($line =~ /^<12> /) {
- my $pos = Position->new($line);
-
- # if this is already in the queue, ignore it
- next if (defined($pos_waiting) && $pos->fen() eq $pos_waiting->fen());
-
- # if we're already chewing on this and there's nothing else in the queue,
- # also ignore it
- next if (!defined($pos_waiting) && defined($pos_calculating) &&
- $pos->fen() eq $pos_calculating->fen());
-
- # if we're already thinking on something, stop and wait for the engine
- # to approve
- if (defined($pos_calculating)) {
- if (!defined($pos_waiting)) {
- uciprint($engine, "stop");
- }
- if ($uci_assume_full_compliance) {
- $pos_waiting = $pos;
- } else {
- uciprint($engine, "position fen " . $pos->fen());
- uciprint($engine, "go infinite");
- $pos_calculating = $pos;
- }
- } else {
- # it's wrong just to give the FEN (the move history is useful,
- # and per the UCI spec, we should really have sent "ucinewgame"),
- # but it's easier
- uciprint($engine, "position fen " . $pos->fen());
- uciprint($engine, "go infinite");
- $pos_calculating = $pos;
- }
- if (defined($engine2)) {
- if (defined($pos_calculating_second_engine)) {
- uciprint($engine2, "stop");
- } else {
- uciprint($engine2, "position fen " . $pos->fen());
- uciprint($engine2, "go infinite");
- $pos_calculating_second_engine = $pos;
- }
- $engine2->{'info'} = {};
- }
-
- $engine->{'info'} = {};
- $last_move = time;
-
- #
- # Output a command every move to note that we're
- # still paying attention -- this is a good tradeoff,
- # since if no move has happened in the last half
- # hour, the analysis/relay has most likely stopped
- # and we should stop hogging server resources.
- #
- $t->cmd("date");
- }
- if ($line =~ /^([A-Za-z]+)(?:\([A-Z]+\))* tells you: (.*)$/) {
- my ($who, $msg) = ($1, $2);
-
- next if (grep { $_ eq $who } (@masters) == 0);
-
- if ($msg =~ /^fics (.*?)$/) {
- $t->cmd("tell $who Executing '$1' on FICS.");
- $t->cmd($1);
- } elsif ($msg =~ /^uci (.*?)$/) {
- $t->cmd("tell $who Sending '$1' to the engine.");
- print { $engine->{'write'} } "$1\n";
- } else {
- $t->cmd("tell $who Couldn't understand '$msg', sorry.");
- }
- }
- #print "FICS: [$line]\n";
- $sleep = 0;
- }
-
- # any fun on the UCI channel?
- if ($nfound > 0 && vec($rout, fileno($engine->{'read'}), 1) == 1) {
- my @lines = $engine->read_lines();
- for my $line (@lines) {
- next if $line =~ /(upper|lower)bound/;
- handle_uci($engine, $line, 1);
- }
- $sleep = 0;
+my $ev1 = AnyEvent->io(
+ fh => fileno($t),
+ poll => 'r',
+ cb => sub { # what callback to execute
+ while (1) {
+ my $line = $t->getline(Timeout => 0, errmode => 'return');
+ return if (!defined($line));
- output();
- }
- if (defined($engine2) && $nfound > 0 && vec($rout, fileno($engine2->{'read'}), 1) == 1) {
- my @lines = $engine2->read_lines();
- for my $line (@lines) {
- next if $line =~ /(upper|lower)bound/;
- handle_uci($engine2, $line, 0);
+ chomp $line;
+ $line =~ tr/\r//d;
+ handle_fics($line);
}
- $sleep = 0;
-
- output();
}
-
- sleep $sleep;
-}
+);
+# Engine events have already been set up by Engine.pm.
+EV::run;
sub handle_uci {
my ($engine, $line, $primary) = @_;
- chomp $line;
- $line =~ tr/\r//d;
$line =~ s/ / /g; # Sometimes needed for Zappa Mexico
print UCILOG localtime() . " $engine->{'tag'} <= $line\n";
if ($line =~ /^info/) {
$pos_calculating_second_engine = $pos;
}
}
+ output();
+}
+
+sub handle_fics {
+ my $line = shift;
+ if ($line =~ /^<12> /) {
+ handle_position(Position->new($line));
+ }
+ if ($line =~ /^([A-Za-z]+)(?:\([A-Z]+\))* tells you: (.*)$/) {
+ my ($who, $msg) = ($1, $2);
+
+ next if (grep { $_ eq $who } (@masters) == 0);
+
+ if ($msg =~ /^fics (.*?)$/) {
+ $t->cmd("tell $who Executing '$1' on FICS.");
+ $t->cmd($1);
+ } elsif ($msg =~ /^uci (.*?)$/) {
+ $t->cmd("tell $who Sending '$1' to the engine.");
+ print { $engine->{'write'} } "$1\n";
+ } elsif ($msg =~ /^pgn (.*?)$/) {
+ my $url = $1;
+ $t->cmd("tell $who Starting to poll '$url'.");
+ AnyEvent::HTTP::http_get($url, sub {
+ handle_pgn(@_, $url);
+ });
+ } elsif ($msg =~ /^stoppgn$/) {
+ $t->cmd("tell $who Stopping poll.");
+ $http_timer = undef;
+ } elsif ($msg =~ /^quit$/) {
+ $t->cmd("tell $who Bye bye.");
+ exit;
+ } else {
+ $t->cmd("tell $who Couldn't understand '$msg', sorry.");
+ }
+ }
+ #print "FICS: [$line]\n";
+}
+
+sub handle_pgn {
+ my ($body, $header, $url) = @_;
+ my $pgn = Chess::PGN::Parse->new(undef, $body);
+ if (!defined($pgn) || !$pgn->read_game()) {
+ warn "Error in parsing PGN from $url\n";
+ } else {
+ $pgn->quick_parse_game;
+ my $pos = Position->start_pos($pgn->white, $pgn->black);
+ my $moves = $pgn->moves;
+ for my $move (@$moves) {
+ my ($from_row, $from_col, $to_row, $to_col, $promo) = $pos->parse_pretty_move($move);
+ $pos = $pos->make_move($from_row, $from_col, $to_row, $to_col, $promo);
+ }
+ handle_position($pos);
+ }
+
+ $http_timer = AnyEvent->timer(after => 1.0, cb => sub {
+ AnyEvent::HTTP::http_get($url, sub {
+ handle_pgn(@_, $url);
+ });
+ });
+}
+
+sub handle_position {
+ my ($pos) = @_;
+
+ # if this is already in the queue, ignore it
+ return if (defined($pos_waiting) && $pos->fen() eq $pos_waiting->fen());
+
+ # if we're already chewing on this and there's nothing else in the queue,
+ # also ignore it
+ return if (!defined($pos_waiting) && defined($pos_calculating) &&
+ $pos->fen() eq $pos_calculating->fen());
+
+ # if we're already thinking on something, stop and wait for the engine
+ # to approve
+ if (defined($pos_calculating)) {
+ if (!defined($pos_waiting)) {
+ uciprint($engine, "stop");
+ }
+ if ($uci_assume_full_compliance) {
+ $pos_waiting = $pos;
+ } else {
+ uciprint($engine, "position fen " . $pos->fen());
+ uciprint($engine, "go infinite");
+ $pos_calculating = $pos;
+ }
+ } else {
+ # it's wrong just to give the FEN (the move history is useful,
+ # and per the UCI spec, we should really have sent "ucinewgame"),
+ # but it's easier
+ uciprint($engine, "position fen " . $pos->fen());
+ uciprint($engine, "go infinite");
+ $pos_calculating = $pos;
+ }
+
+ if (defined($engine2)) {
+ if (defined($pos_calculating_second_engine)) {
+ uciprint($engine2, "stop");
+ } else {
+ uciprint($engine2, "position fen " . $pos->fen());
+ uciprint($engine2, "go infinite");
+ $pos_calculating_second_engine = $pos;
+ }
+ $engine2->{'info'} = {};
+ }
+
+ $engine->{'info'} = {};
+ $last_move = time;
+
+ #
+ # Output a command every move to note that we're
+ # still paying attention -- this is a good tradeoff,
+ # since if no move has happened in the last half
+ # hour, the analysis/relay has most likely stopped
+ # and we should stop hogging server resources.
+ #
+ $t->cmd("date");
}
sub parse_infos {
# Search for "multipv" first of all, since e.g. Stockfish doesn't put it first.
for my $i (0..$#x - 1) {
- if ($x[$i] =~ 'multipv') {
+ if ($x[$i] eq 'multipv') {
$mpv = $x[$i + 1];
next;
}
}
while (scalar @x > 0) {
- if ($x[0] =~ 'multipv') {
+ if ($x[0] eq 'multipv') {
# Dealt with above
shift @x;
shift @x;
next;
}
- if ($x[0] =~ /^(currmove|currmovenumber|cpuload)$/) {
+ if ($x[0] eq 'currmove' || $x[0] eq 'currmovenumber' || $x[0] eq 'cpuload') {
my $key = shift @x;
my $value = shift @x;
$info->{$key} = $value;
next;
}
- if ($x[0] =~ /^(depth|seldepth|hashfull|time|nodes|nps|tbhits)$/) {
+ if ($x[0] eq 'depth' || $x[0] eq 'seldepth' || $x[0] eq 'hashfull' ||
+ $x[0] eq 'time' || $x[0] eq 'nodes' || $x[0] eq 'nps' ||
+ $x[0] eq 'tbhits') {
my $key = shift @x;
my $value = shift @x;
$info->{$key . $mpv} = $value;
delete $info->{'score_cp' . $mpv};
delete $info->{'score_mate' . $mpv};
- while ($x[0] =~ /^(cp|mate|lowerbound|upperbound)$/) {
+ while ($x[0] eq 'cp' || $x[0] eq 'mate' || $x[0] eq 'lowerbound' || $x[0] eq 'upperbound') {
if ($x[0] eq 'cp') {
shift @x;
$info->{'score_cp' . $mpv} = shift @x;
}
}
-sub prettyprint_pv {
+sub prettyprint_pv_no_cache {
my ($board, @pvs) = @_;
if (scalar @pvs == 0 || !defined($pvs[0])) {
}
my $pv = shift @pvs;
- my $from_col = col_letter_to_num(substr($pv, 0, 1));
- my $from_row = row_letter_to_num(substr($pv, 1, 1));
- my $to_col = col_letter_to_num(substr($pv, 2, 1));
- my $to_row = row_letter_to_num(substr($pv, 3, 1));
- my $promo = substr($pv, 4, 1);
-
+ my ($from_col, $from_row, $to_col, $to_row, $promo) = parse_uci_move($pv);
my ($pretty, $nb) = $board->prettyprint_move($from_row, $from_col, $to_row, $to_col, $promo);
- return ($pretty, prettyprint_pv($nb, @pvs));
+ return ( $pretty, prettyprint_pv_no_cache($nb, @pvs) );
+}
+
+sub prettyprint_pv {
+ my ($pos, @pvs) = @_;
+
+ my $cachekey = join('', @pvs);
+ if (exists($pos->{'prettyprint_cache'}{$cachekey})) {
+ return @{$pos->{'prettyprint_cache'}{$cachekey}};
+ } else {
+ my @res = prettyprint_pv_no_cache($pos->{'board'}, @pvs);
+ $pos->{'prettyprint_cache'}{$cachekey} = \@res;
+ return @res;
+ }
}
sub output {
eval {
my $dummy;
if (exists($info->{'pv'})) {
- $dummy = prettyprint_pv($pos_calculating->{'board'}, @{$info->{'pv'}});
+ $dummy = prettyprint_pv($pos_calculating, @{$info->{'pv'}});
}
my $mpv = 1;
while (exists($info->{'pv' . $mpv})) {
- $dummy = prettyprint_pv($pos_calculating->{'board'}, @{$info->{'pv' . $mpv}});
+ $dummy = prettyprint_pv($pos_calculating, @{$info->{'pv' . $mpv}});
++$mpv;
}
};
}
$text .= ":\n";
- $text .= " " . join(', ', prettyprint_pv($pos_calculating->{'board'}, @{$info->{'pv' . $mpv}})) . "\n";
+ $text .= " " . join(', ', prettyprint_pv($pos_calculating, @{$info->{'pv' . $mpv}})) . "\n";
$text .= "\n";
++$mpv;
}
# single-PV
my $score = long_score($info, $pos_calculating, '');
$text .= " $score\n" if defined($score);
- $text .= " PV: " . join(', ', prettyprint_pv($pos_calculating->{'board'}, @{$info->{'pv'}}));
+ $text .= " PV: " . join(', ', prettyprint_pv($pos_calculating, @{$info->{'pv'}}));
$text .= "\n";
if (exists($info->{'nodes'}) && exists($info->{'nps'}) && exists($info->{'depth'})) {
eval {
my $pv = $info->{'pv' . $mpv};
- my $pretty_move = join('', prettyprint_pv($pos_calculating_second_engine->{'board'}, $pv->[0]));
- my @pretty_pv = prettyprint_pv($pos_calculating_second_engine->{'board'}, @$pv);
+ my $pretty_move = join('', prettyprint_pv($pos_calculating_second_engine, $pv->[0]));
+ my @pretty_pv = prettyprint_pv($pos_calculating_second_engine, @$pv);
if (scalar @pretty_pv > 5) {
@pretty_pv = @pretty_pv[0..4];
push @pretty_pv, "...";
# single-PV only for now
$json->{'pv_uci'} = $info->{'pv'};
- $json->{'pv_pretty'} = [ prettyprint_pv($pos_calculating->{'board'}, @{$info->{'pv'}}) ];
+ $json->{'pv_pretty'} = [ prettyprint_pv($pos_calculating, @{$info->{'pv'}}) ];
my %refutation_lines = ();
my @refutation_lines = ();
eval {
my $pv = $info->{'pv' . $mpv};
- my $pretty_move = join('', prettyprint_pv($pos_calculating->{'board'}, $pv->[0]));
- my @pretty_pv = prettyprint_pv($pos_calculating->{'board'}, @$pv);
+ my $pretty_move = join('', prettyprint_pv($pos_calculating, $pv->[0]));
+ my @pretty_pv = prettyprint_pv($pos_calculating, @$pv);
$refutation_lines{$pv->[0]} = {
sort_key => $pretty_move,
depth => $info->{'depth' . $mpv},
if ($move eq '') {
$pmove = '(current)';
} else {
- ($pmove) = prettyprint_pv($board, $move);
+ ($pmove) = prettyprint_pv_no_cache($board, $move);
$pmove .= $annotation;
}
}
sub open_engine {
- my ($cmdline, $tag) = @_;
+ my ($cmdline, $tag, $cb) = @_;
return undef if (!defined($cmdline));
- my $engine = Engine->open($cmdline, $tag);
-
- uciprint($engine, "uci");
-
- # gobble the options
- my $seen_uciok = 0;
- while (!$seen_uciok) {
- for my $line ($engine->read_lines()) {
- if ($line =~ /uciok/) {
- $seen_uciok = 1;
- }
- handle_uci($engine, $line);
- }
- }
-
- return $engine;
+ return Engine->open($cmdline, $tag, $cb);
}
sub col_letter_to_num {
return 7 - (ord(shift) - ord('1'));
}
+sub parse_uci_move {
+ my $move = shift;
+ my $from_col = col_letter_to_num(substr($move, 0, 1));
+ my $from_row = row_letter_to_num(substr($move, 1, 1));
+ my $to_col = col_letter_to_num(substr($move, 2, 1));
+ my $to_row = row_letter_to_num(substr($move, 3, 1));
+ my $promo = substr($move, 4, 1);
+ return ($from_col, $from_row, $to_col, $to_row, $promo);
+}
projects / remoteglot / blobdiff