my $tb_retry_timer = undef;
my %tb_cache = ();
my $tb_lookup_running = 0;
+my $last_written_json = undef;
+
+# TODO: Persist (parts of) this so that we can restart.
+my %clock_target_for_pos = ();
$| = 1;
for my $pos ($pos_waiting, $pos_calculating) {
next if (!defined($pos));
if ($pos->fen() eq $pos_for_movelist->fen()) {
- $pos->{'history'} = \@uci_movelist;
$pos->{'pretty_history'} = \@pretty_movelist;
}
}
}
my $pgn = Chess::PGN::Parse->new(undef, $body);
- if (!defined($pgn) || !$pgn->read_game()) {
+ if (!defined($pgn) || !$pgn->read_game() || $body !~ /^\[/) {
warn "Error in parsing PGN from $url\n";
} else {
eval {
- $pgn->quick_parse_game;
+ $pgn->parse_game({ save_comments => 'yes' });
my $pos = Position->start_pos($pgn->white, $pgn->black);
my $moves = $pgn->moves;
my @uci_moves = ();
($pos, $uci_move) = $pos->make_pretty_move($move);
push @uci_moves, $uci_move;
}
- $pos->{'history'} = \@uci_moves;
+ $pos->{'result'} = $pgn->result;
$pos->{'pretty_history'} = $moves;
+ extract_clock($pgn, $pos);
+
# Sometimes, PGNs lose a move or two for a short while,
# or people push out new ones non-atomically.
# Thus, if we PGN doesn't change names but becomes
sub handle_position {
my ($pos) = @_;
+ find_clock_start($pos);
# if this is already in the queue, ignore it
return if (defined($pos_waiting) && $pos->fen() eq $pos_waiting->fen());
# if we're already thinking on something, stop and wait for the engine
# to approve
if (defined($pos_calculating)) {
+ # Store the final data we have for this position in the history,
+ # with the precise clock information we just got from the new
+ # position. (Historic positions store the clock at the end of
+ # the position.)
+ #
+ # Do not output anything new to the main analysis; that's
+ # going to be obsolete really soon.
+ $pos_calculating->{'white_clock'} = $pos->{'white_clock'};
+ $pos_calculating->{'black_clock'} = $pos->{'black_clock'};
+ delete $pos_calculating->{'white_clock_target'};
+ delete $pos_calculating->{'black_clock_target'};
+ output_json(1);
+
if (!defined($pos_waiting)) {
uciprint($engine, "stop");
}
}
output_screen();
- output_json();
+ output_json(0);
$latest_update = [Time::HiRes::gettimeofday];
}
}
sub output_json {
+ my $historic_json_only = shift;
my $info = $engine->{'info'};
my $json = {};
$json->{'seldepth'} = $info->{'seldepth'};
$json->{'tablebase'} = $info->{'tablebase'};
- # single-PV only for now
- $json->{'pv_uci'} = $info->{'pv'};
+ $json->{'pv_uci'} = $info->{'pv'}; # Still needs to be there for the JS to calculate arrows; only for the primary PV, though!
$json->{'pv_pretty'} = [ prettyprint_pv($pos_calculating, @{$info->{'pv'}}) ];
my %refutation_lines = ();
pretty_move => $pretty_move,
pv_pretty => \@pretty_pv,
};
- $refutation_lines{$pv->[0]}->{'pv_uci'} = $pv;
};
}
}
$json->{'refutation_lines'} = \%refutation_lines;
- open my $fh, ">", $remoteglotconf::json_output . ".tmp"
+ my $encoded = JSON::XS::encode_json($json);
+ unless ($historic_json_only || !defined($remoteglotconf::json_output) ||
+ (defined($last_written_json) && $last_written_json eq $encoded)) {
+ atomic_set_contents($remoteglotconf::json_output, $encoded);
+ $last_written_json = $encoded;
+ }
+
+ if (exists($pos_calculating->{'pretty_history'}) &&
+ defined($remoteglotconf::json_history_dir)) {
+ my $filename = $remoteglotconf::json_history_dir . "/" . id_for_pos($pos_calculating) . ".json";
+
+ # Overwrite old analysis (assuming it exists at all) if we're
+ # using a different engine, or if we've calculated deeper.
+ # nodes is used as a tiebreaker. Don't bother about Multi-PV
+ # data; it's not that important.
+ my ($old_engine, $old_depth, $old_nodes) = get_json_analysis_stats($filename);
+ my $new_depth = $json->{'depth'} // 0;
+ my $new_nodes = $json->{'nodes'} // 0;
+ if (!defined($old_engine) ||
+ $old_engine ne $json->{'id'}{'name'} ||
+ $new_depth > $old_depth ||
+ ($new_depth == $old_depth && $new_nodes >= $old_nodes)) {
+ atomic_set_contents($filename, $encoded);
+ }
+ }
+}
+
+sub atomic_set_contents {
+ my ($filename, $contents) = @_;
+
+ open my $fh, ">", $filename . ".tmp"
or return;
- print $fh JSON::XS::encode_json($json);
+ print $fh $contents;
+ close $fh;
+ rename($filename . ".tmp", $filename);
+}
+
+sub id_for_pos {
+ my $pos = shift;
+
+ my $halfmove_num = scalar @{$pos->{'pretty_history'}};
+ (my $fen = $pos->fen()) =~ tr,/ ,-_,;
+ return "move$halfmove_num-$fen";
+}
+
+sub get_json_analysis_stats {
+ my $filename = shift;
+
+ my ($engine, $depth, $nodes);
+
+ open my $fh, "<", $filename
+ or return undef;
+ local $/ = undef;
+ eval {
+ my $json = JSON::XS::decode_json(<$fh>);
+ $engine = $json->{'id'}{'name'} // die;
+ $depth = $json->{'depth'} // 0;
+ $nodes = $json->{'nodes'} // 0;
+ };
close $fh;
- rename($remoteglotconf::json_output . ".tmp", $remoteglotconf::json_output);
+ if ($@) {
+ warn "Error in decoding $filename: $@";
+ return undef;
+ }
+ return ($engine, $depth, $nodes);
}
sub uciprint {
return $text;
}
+sub extract_clock {
+ my ($pgn, $pos) = @_;
+
+ # Look for extended PGN clock tags.
+ my $tags = $pgn->tags;
+ if (exists($tags->{'WhiteClock'}) && exists($tags->{'BlackClock'})) {
+ $pos->{'white_clock'} = $tags->{'WhiteClock'};
+ $pos->{'black_clock'} = $tags->{'BlackClock'};
+
+ $pos->{'white_clock'} =~ s/\b(\d)\b/0$1/g;
+ $pos->{'black_clock'} =~ s/\b(\d)\b/0$1/g;
+ return;
+ }
+
+ # Look for TCEC-style time comments.
+ my $moves = $pgn->moves;
+ my $comments = $pgn->comments;
+ my $last_black_move = int((scalar @$moves) / 2);
+ my $last_white_move = int((1 + scalar @$moves) / 2);
+
+ my $black_key = $last_black_move . "b";
+ my $white_key = $last_white_move . "w";
+
+ if (exists($comments->{$white_key}) &&
+ exists($comments->{$black_key}) &&
+ $comments->{$white_key} =~ /tl=(\d+:\d+:\d+)/ &&
+ $comments->{$black_key} =~ /tl=(\d+:\d+:\d+)/) {
+ $comments->{$white_key} =~ /tl=(\d+:\d+:\d+)/;
+ $pos->{'white_clock'} = $1;
+ $comments->{$black_key} =~ /tl=(\d+:\d+:\d+)/;
+ $pos->{'black_clock'} = $1;
+ return;
+ }
+}
+
+sub find_clock_start {
+ my $pos = shift;
+
+ # If the game is over, the clock is stopped.
+ if (exists($pos->{'result'}) &&
+ ($pos->{'result'} eq '1-0' ||
+ $pos->{'result'} eq '1/2-1/2' ||
+ $pos->{'result'} eq '0-1')) {
+ return;
+ }
+
+ # When we don't have any moves, we assume the clock hasn't started yet.
+ if ($pos->{'move_num'} == 1 && $pos->{'toplay'} eq 'W') {
+ return;
+ }
+
+ # TODO(sesse): Maybe we can get the number of moves somehow else for FICS games.
+ if (!exists($pos->{'pretty_history'})) {
+ return;
+ }
+
+ my $id = id_for_pos($pos);
+ if (exists($clock_target_for_pos{$id})) {
+ if ($pos->{'toplay'} eq 'W') {
+ $pos->{'white_clock_target'} = $clock_target_for_pos{$id};
+ } else {
+ $pos->{'black_clock_target'} = $clock_target_for_pos{$id};
+ }
+ return;
+ }
+
+ # OK, we haven't seen this position before, so we assume the move
+ # happened right now.
+ my $key = ($pos->{'toplay'} eq 'W') ? 'white_clock' : 'black_clock';
+ if (!exists($pos->{$key})) {
+ # No clock information.
+ return;
+ }
+ $pos->{$key} =~ /(\d+):(\d+):(\d+)/;
+ my $time_left = $1 * 3600 + $2 * 60 + $3;
+ $clock_target_for_pos{$id} = time + $time_left;
+ if ($pos->{'toplay'} eq 'W') {
+ $pos->{'white_clock_target'} = $clock_target_for_pos{$id};
+ } else {
+ $pos->{'black_clock_target'} = $clock_target_for_pos{$id};
+ }
+}
+
sub schedule_tb_lookup {
return if (!defined($remoteglotconf::tb_serial_key));
my $pos = $pos_waiting // $pos_calculating;
projects / remoteglot / blobdiff