]> git.sesse.net Git - remoteglot/blobdiff - remoteglot.pl
Make parse_info a bit less regex-happy; speeds it up somewhat.
[remoteglot] / remoteglot.pl
index 3cf3a6586a694e4dcb6a47e6f6020f26c97deff3..7f1a6687e72aa597827212a95a673b429e1b2bd2 100755 (executable)
@@ -11,7 +11,9 @@
 
 use AnyEvent;
 use AnyEvent::Handle;
-use AnyEvent::Loop;
+use AnyEvent::HTTP;
+use Chess::PGN::Parse;
+use EV;
 use Net::Telnet;
 use FileHandle;
 use IPC::Open2;
@@ -40,6 +42,7 @@ my @masters = (
 # Program starts here
 $SIG{ALRM} = sub { output(); };
 my $latest_update = undef;
+my $http_timer = undef;
 
 $| = 1;
 
@@ -112,7 +115,7 @@ my $ev1 = AnyEvent->io(
        }
 );
 # Engine events have already been set up by Engine.pm.
-AnyEvent::Loop::run;
+EV::run;
 
 sub handle_uci {
        my ($engine, $line, $primary) = @_;
@@ -155,60 +158,7 @@ sub handle_uci {
 sub handle_fics {
        my $line = shift;
        if ($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.
-               #
-               $t->cmd("date");
+               handle_position(Position->new($line));
        }
        if ($line =~ /^([A-Za-z]+)(?:\([A-Z]+\))* tells you: (.*)$/) {
                my ($who, $msg) = ($1, $2);
@@ -221,6 +171,18 @@ sub handle_fics {
                } elsif ($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.");
                }
@@ -228,6 +190,86 @@ sub handle_fics {
        #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.
+       #
+       $t->cmd("date");
+}
+
 sub parse_infos {
        my ($engine, @x) = @_;
        my $mpv = '';
@@ -236,26 +278,28 @@ 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;
@@ -267,7 +311,7 @@ sub parse_infos {
                        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;
@@ -311,7 +355,7 @@ sub parse_ids {
        }
 }
 
-sub prettyprint_pv {
+sub prettyprint_pv_no_cache {
        my ($board, @pvs) = @_;
 
        if (scalar @pvs == 0 || !defined($pvs[0])) {
@@ -321,7 +365,20 @@ sub prettyprint_pv {
        my $pv = shift @pvs;
        my ($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 {
@@ -359,12 +416,12 @@ 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;
                }
        };
@@ -425,7 +482,7 @@ sub output_screen {
                        }
 
                        $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;
                }
@@ -433,7 +490,7 @@ sub output_screen {
                # 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'})) {
@@ -463,8 +520,8 @@ sub output_screen {
                        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, "...";
@@ -511,7 +568,7 @@ sub output_json {
 
        # 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 = ();
@@ -524,8 +581,8 @@ sub output_json {
 
                        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' . $mpv},
@@ -654,7 +711,7 @@ sub book_info {
                if ($move eq '')  {
                        $pmove = '(current)';
                } else {
-                       ($pmove) = prettyprint_pv($board, $move);
+                       ($pmove) = prettyprint_pv_no_cache($board, $move);
                        $pmove .= $annotation;
                }