#! /usr/bin/perl
#
-# remoteglot - Connects an abitrary UCI-speaking engine to ICS for easier post-game
-# analysis, or for live analysis of relayed games. (Do not use for
-# cheating! Cheating is bad for your karma, and your abuser flag.)
+# remoteglot - Connects an abitrary UCI-speaking engine to a (live) PGN,
+# for live analysis of relayed games.
#
# Copyright 2007 Steinar H. Gunderson <steinar+remoteglot@gunderson.no>
# Licensed under the GNU General Public License, version 2.
use AnyEvent::HTTP;
use Chess::PGN::Parse;
use EV;
-use Net::Telnet;
use File::Slurp;
use IPC::Open2;
use Time::HiRes;
$| = 1;
-open(FICSLOG, ">ficslog.txt")
- or die "ficslog.txt: $!";
-print FICSLOG "Log starting.\n";
-select(FICSLOG);
-$| = 1;
-
open(UCILOG, ">ucilog.txt")
or die "ucilog.txt: $!";
print UCILOG "Log starting.\n";
print "Chess engine ready.\n";
-# now talk to FICS
-my ($t, $ev1);
-if (defined($remoteglotconf::server)) {
- $t = Net::Telnet->new(Timeout => 10, Prompt => '/fics% /');
- $t->input_log(\*FICSLOG);
- $t->open($remoteglotconf::server);
- $t->print($remoteglotconf::nick);
- $t->waitfor('/Press return to enter the server/');
- $t->cmd("");
-
- # set some options
- $t->cmd("set shout 0");
- $t->cmd("set seek 0");
- $t->cmd("set style 12");
-
- $ev1 = AnyEvent->io(
- fh => fileno($t),
- poll => 'r',
- cb => sub { # what callback to execute
- while (1) {
- my $line = $t->getline(Timeout => 0, errmode => 'return');
- return if (!defined($line));
-
- chomp $line;
- $line =~ tr/\r//d;
- handle_fics($line);
- }
- }
- );
-}
if (defined($remoteglotconf::target)) {
if ($remoteglotconf::target =~ /^(?:\/|https?:)/) {
- fetch_pgn($remoteglotconf::target);
- } elsif (defined($t)) {
- $t->cmd("observe $remoteglotconf::target");
+ my $target = $remoteglotconf::target;
+ # Convenience.
+ $target =~ s#https://lichess.org/broadcast/.*/([^/]+)?$#https://lichess.org/api/stream/broadcast/round/$1.pgn#;
+ fetch_pgn($target);
}
}
-if (defined($t)) {
- print "FICS ready.\n";
-}
# Engine events have already been set up by Engine.pm.
EV::run;
my @uci_movelist = ();
my @pretty_movelist = ();
-sub handle_fics {
- my $line = shift;
- if ($line =~ /^<12> /) {
- handle_position(Position->new($line));
- $t->cmd("moves");
- }
- if ($line =~ /^Movelist for game /) {
- my $pos = $pos_calculating;
- if (defined($pos)) {
- @uci_movelist = ();
- @pretty_movelist = ();
- $pos_for_movelist = Position->start_pos($pos->{'player_w'}, $pos->{'player_b'});
- $getting_movelist = 1;
- }
- }
- if ($getting_movelist &&
- $line =~ /^\s* \d+\. \s+ # move number
- (\S+) \s+ \( [\d:.]+ \) \s* # first move, then time
- (?: (\S+) \s+ \( [\d:.]+ \) )? # second move, then time
- /x) {
- eval {
- my $uci_move;
- ($pos_for_movelist, $uci_move) = $pos_for_movelist->make_pretty_move($1);
- push @uci_movelist, $uci_move;
- push @pretty_movelist, $1;
-
- if (defined($2)) {
- ($pos_for_movelist, $uci_move) = $pos_for_movelist->make_pretty_move($2);
- push @uci_movelist, $uci_move;
- push @pretty_movelist, $2;
- }
- };
- if ($@) {
- warn "Error when getting FICS move history: $@";
- $getting_movelist = 0;
- }
- }
- if ($getting_movelist &&
- $line =~ /^\s+ \{.*\} \s+ (?: \* | 1\/2-1\/2 | 0-1 | 1-0 )/x) {
- # End of movelist.
- if (defined($pos_calculating)) {
- if ($pos_calculating->fen() eq $pos_for_movelist->fen()) {
- $pos_calculating->{'history'} = \@pretty_movelist;
- }
- }
- $getting_movelist = 0;
- }
- if ($line =~ /^([A-Za-z]+)(?:\([A-Z]+\))* tells you: (.*)$/) {
- my ($who, $msg) = ($1, $2);
-
- next if (grep { $_ eq $who } (@remoteglotconf::masters) == 0);
-
- if ($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'.");
- fetch_pgn($url);
- } elsif ($msg =~ /^stoppgn$/) {
- $t->cmd("tell $who Stopping poll.");
- $stop_pgn_fetch = 1;
- $http_timer = undef;
- } elsif ($msg =~ /^quit$/) {
- $t->cmd("tell $who Bye bye.");
- exit;
- } else {
- $t->cmd("tell $who Couldn't understand '$msg', sorry.");
- }
- }
- #print "FICS: [$line]\n";
-}
-
# Starts periodic fetching of PGNs from the given URL.
sub fetch_pgn {
my ($url) = @_;
};
if ($@) {
warn "$url: $@";
- $http_timer = AnyEvent->timer(after => 1.0, cb => sub {
+ $http_timer = AnyEvent->timer(after => $remoteglotconf::poll_frequency, cb => sub {
fetch_pgn($url);
});
}
} else {
- AnyEvent::HTTP::http_get($url, sub {
- handle_pgn(@_, $url);
- });
+ my $buffer = '';
+ AnyEvent::HTTP::http_get($url,
+ on_body => sub {
+ handle_partial_pgn(@_, \$buffer, $url);
+ },
+ sub {
+ end_pgn(@_, \$buffer, $url);
+ });
}
}
my @last_pgn_uci_moves = ();
my $pgn_hysteresis_counter = 0;
-sub handle_pgn {
- my ($body, $header, $url) = @_;
+sub handle_partial_pgn {
+ my ($body, $header, $buffer, $url) = @_;
if ($stop_pgn_fetch) {
$stop_pgn_fetch = 0;
$http_timer = undef;
- return;
+ return 0;
}
+ $$buffer .= $body;
+ while ($$buffer =~ s/^\s*(.*)\n\n\n//s) {
+ handle_pgn($1, $url);
+ }
+ return 1;
+}
+
+sub end_pgn {
+ my ($body, $header, $buffer, $url) = @_;
+ handle_pgn($$buffer, $url);
+ $$buffer = "";
+ $http_timer = AnyEvent->timer(after => $remoteglotconf::poll_frequency, cb => sub {
+ fetch_pgn($url);
+ });
+}
+
+sub handle_pgn {
+ my ($body, $url) = @_;
my $pgn = Chess::PGN::Parse->new(undef, $body);
if (!defined($pgn)) {
}
}
- $http_timer = AnyEvent->timer(after => 1.0, cb => sub {
+ $http_timer = AnyEvent->timer(after => $remoteglotconf::poll_frequency, cb => sub {
fetch_pgn($url);
});
}
for my $key ('white_clock', 'black_clock', 'white_clock_target', 'black_clock_target') {
$pos_calculating->{$key} //= $pos->{$key};
}
+ $pos_calculating->{'extra_moves'} = $pos->{'extra_moves'};
return;
}
$engine->{'info'} = {};
$last_move = time;
-
- #
- # Output a command every move to note that we're
- # still paying attention -- this is a good tradeoff,
- # since if no move has happened in the last half
- # hour, the analysis/relay has most likely stopped
- # and we should stop hogging server resources.
- #
- if (defined($t)) {
- $t->cmd("date");
- }
}
sub parse_infos {
return;
}
- # TODO(sesse): Maybe we can get the number of moves somehow else for FICS games.
# The history is needed for id_for_pos.
if (!exists($pos->{'history'})) {
return;
projects / remoteglot / blobdiff