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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.145 by root, Sun Jan 7 21:54:59 2007 UTC vs.
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC

15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use Data::Dumper;
20use Digest::MD5; 21use Digest::MD5;
21use Fcntl; 22use Fcntl;
22use IO::AIO 2.32 (); 23use IO::AIO 2.32 ();
23use YAML::Syck (); 24use YAML::Syck ();
24use Time::HiRes; 25use Time::HiRes;
25 26
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 27use Event; $Event::Eval = 1; # no idea why this is required, but it is
27 28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 32$YAML::Syck::ImplicitUnicode = 1;
30 33
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 35
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35our %COMMAND = (); 36our %COMMAND = ();
36our %COMMAND_TIME = (); 37our %COMMAND_TIME = ();
38
39our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 40our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps
38 43
39our @EVENT; 44our @EVENT;
40our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
41 46
42our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
51 56
52our %PLAYER; # all users 57our %PLAYER; # all users
53our %MAP; # all maps 58our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 59our $LINK_MAP; # the special {link} map
55our $RANDOM_MAPS = cf::localdir . "/random"; 60our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 61
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
57 64
58binmode STDOUT; 65binmode STDOUT;
59binmode STDERR; 66binmode STDERR;
60 67
61# read virtual server time, if available 68# read virtual server time, if available
106=item %cf::CFG 113=item %cf::CFG
107 114
108Configuration for the server, loaded from C</etc/crossfire/config>, or 115Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 116from wherever your confdir points to.
110 117
118=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
119
120These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
121or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
122processing has been done. Call C<< ->wait >> on them to maximise the
123window of cpu time available, or simply to synchronise to the server tick.
124
111=back 125=back
112 126
113=cut 127=cut
114 128
115BEGIN { 129BEGIN {
118 utf8::encode $msg; 132 utf8::encode $msg;
119 133
120 $msg .= "\n" 134 $msg .= "\n"
121 unless $msg =~ /\n$/; 135 unless $msg =~ /\n$/;
122 136
123 LOG llevError, "cfperl: $msg"; 137 LOG llevError, $msg;
124 }; 138 };
125} 139}
126 140
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 141@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 142@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146 160
147$Event::DIED = sub { 161$Event::DIED = sub {
148 warn "error in event callback: @_"; 162 warn "error in event callback: @_";
149}; 163};
150 164
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 165=head2 UTILITY FUNCTIONS
156 166
157=over 4 167=over 4
158 168
169=item dumpval $ref
170
159=cut 171=cut
172
173sub dumpval {
174 eval {
175 local $SIG{__DIE__};
176 my $d;
177 if (1) {
178 $d = new Data::Dumper([$_[0]], ["*var"]);
179 $d->Terse(1);
180 $d->Indent(2);
181 $d->Quotekeys(0);
182 $d->Useqq(1);
183 #$d->Bless(...);
184 $d->Seen($_[1]) if @_ > 1;
185 $d = $d->Dump();
186 }
187 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188 $d
189 } || "[unable to dump $_[0]: '$@']";
190}
160 191
161use JSON::Syck (); # TODO# replace by JSON::PC once working 192use JSON::Syck (); # TODO# replace by JSON::PC once working
162 193
163=item $ref = cf::from_json $json 194=item $ref = cf::from_json $json
164 195
287 } 318 }
288} 319}
289 320
290=item $coro = cf::async_ext { BLOCK } 321=item $coro = cf::async_ext { BLOCK }
291 322
292Like async, but this coro is automcatially being canceled when the 323Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 324extension calling this is being unloaded.
294 325
295=cut 326=cut
296 327
297sub async_ext(&) { 328sub async_ext(&) {
335 366
336############################################################################# 367#############################################################################
337 368
338package cf::path; 369package cf::path;
339 370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
340sub new { 383sub new {
341 my ($class, $path, $base) = @_; 384 my ($class, $path, $base) = @_;
342 385
343 $path = $path->as_string if ref $path; 386 return $path if ref $path;
344 387
345 my $self = bless { }, $class; 388 my $self = {};
346 389
347 # {... are special paths that are not touched 390 # {... are special paths that are not being touched
348 # ?xxx/... are special absolute paths 391 # ?xxx/... are special absolute paths
349 # ?random/... random maps 392 # ?random/... random maps
350 # /! non-realised random map exit 393 # /! non-realised random map exit
351 # /... normal maps 394 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE) 395 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user 396 # ~user/... per-player map of a specific user
354 397
398 $path =~ s/$PATH_SEP/\//go;
399
355 if ($path =~ /^{/) { 400 if ($path =~ /^{/) {
356 # fine as it is 401 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else { 402 } else {
361 if ($path =~ s{^~([^/]+)?}{}) { 403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
362 $self->{user_rel} = 1; 405 $self->{user_rel} = 1;
363 406
364 if (defined $1) { 407 if (defined $1) {
365 $self->{user} = $1; 408 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) { 409 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1; 410 $self->{user} = $1;
368 } else { 411 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n"; 412 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 } 413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
371 } elsif ($path =~ /^\//) { 420 } elsif ($path =~ /^\//) {
421 # /...
372 # already absolute 422 # already absolute
373 } else { 423 } else {
424 # relative
374 $base =~ s{[^/]+/?$}{}; 425 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path"); 426 return $class->new ("$base/$path");
376 } 427 }
377 428
378 for ($path) { 429 for ($path) {
381 } 432 }
382 } 433 }
383 434
384 $self->{path} = $path; 435 $self->{path} = $path;
385 436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
386 $self 449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
387} 458}
388 459
389# the name / primary key / in-game path 460# the name / primary key / in-game path
390sub as_string { 461sub as_string {
391 my ($self) = @_; 462 my ($self) = @_;
392 463
393 $self->{user_rel} ? "~$self->{user}$self->{path}" 464 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}" 465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
395 : $self->{path} 466 : $self->{path}
396} 467}
397 468
398# the displayed name, this is a one way mapping 469# the displayed name, this is a one way mapping
399sub visible_name { 470sub visible_name {
400 my ($self) = @_; 471 &as_string
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408} 472}
409 473
410# escape the /'s in the path 474# escape the /'s in the path
411sub _escaped_path { 475sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\///g; 476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
414 $path 478 $path
415} 479}
416 480
417# the original (read-only) location 481# the original (read-only) location
418sub load_path { 482sub load_path {
423 487
424# the temporary/swap location 488# the temporary/swap location
425sub save_path { 489sub save_path {
426 my ($self) = @_; 490 my ($self) = @_;
427 491
492 $self->{user_rel}
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path 493 ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path 494 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431} 495}
432 496
433# the unique path, might be eq to save_path 497# the unique path, undef == no special unique path
434sub uniq_path { 498sub uniq_path {
435 my ($self) = @_; 499 my ($self) = @_;
436 500
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path 501 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447} 502}
448 503
449# this is somewhat ugly, but style maps do need special treatment 504# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map { 505sub is_style_map {
451 $_[0]{path} =~ m{^/styles/} 506 $_[0]{path} =~ m{^/styles/}
507}
508
509sub load_orig {
510 my ($self) = @_;
511
512 &cf::map::load_map_header ($self->load_path)
513}
514
515sub load_temp {
516 my ($self) = @_;
517
518 &cf::map::load_map_header ($self->save_path)
519}
520
521sub unlink_save {
522 my ($self) = @_;
523
524 utf8::encode (my $save = $self->save_path);
525 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
452} 527}
453 528
454package cf; 529package cf;
455 530
456############################################################################# 531#############################################################################
906=cut 981=cut
907 982
908sub register_extcmd { 983sub register_extcmd {
909 my ($name, $cb) = @_; 984 my ($name, $cb) = @_;
910 985
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 986 $EXTCMD{$name} = $cb;
915} 987}
916 988
917cf::player->attach ( 989cf::player->attach (
918 on_command => sub { 990 on_command => sub {
919 my ($pl, $name, $params) = @_; 991 my ($pl, $name, $params) = @_;
932 1004
933 my $msg = eval { from_json $buf }; 1005 my $msg = eval { from_json $buf };
934 1006
935 if (ref $msg) { 1007 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1008 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 1009 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 1010 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 1011 }
940 } 1012 }
941 } else { 1013 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1014 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 1016
945 cf::override; 1017 cf::override;
946 }, 1018 },
947); 1019);
948 1020
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 1021sub load_extension {
956 my ($path) = @_; 1022 my ($path) = @_;
957 1023
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1024 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 1025 my $base = $1;
960 my $pkg = $1; 1026 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 1027 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 1028 $pkg = "ext::$pkg";
963 1029
964 warn "loading '$path' into '$pkg'\n"; 1030 warn "... loading '$path' into '$pkg'\n";
965 1031
966 open my $fh, "<:utf8", $path 1032 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 1033 or die "$path: $!";
968 1034
969 my $source = 1035 my $source =
974 1040
975 eval $source 1041 eval $source
976 or die $@ ? "$path: $@\n" 1042 or die $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 1043 : "extension disabled.\n";
978 1044
979 push @exts, $pkg; 1045 push @EXTS, $pkg;
980 $ext_pkg{$base} = $pkg;
981
982# no strict 'refs';
983# @{"$pkg\::ISA"} = ext::;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# }
998
999 # remove commands
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 }
1008 }
1009
1010 # remove extcmds
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023} 1046}
1024 1047
1025sub load_extensions { 1048sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 1049 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 1050 next unless -r $ext;
1045}; 1068};
1046 1069
1047cf::map->attach (prio => -10000, package => cf::mapsupport::); 1070cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048 1071
1049############################################################################# 1072#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 1073
1073=head2 CORE EXTENSIONS 1074=head2 CORE EXTENSIONS
1074 1075
1075Functions and methods that extend core crossfire objects. 1076Functions and methods that extend core crossfire objects.
1076 1077
1077=cut 1078=cut
1078 1079
1079package cf::player; 1080package cf::player;
1081
1082use Coro::AIO;
1080 1083
1081=head3 cf::player 1084=head3 cf::player
1082 1085
1083=over 4 1086=over 4
1084 1087
1119 return $cf::PLAYER{$_[0]} || do { 1122 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0]; 1123 my $login = $_[0];
1121 1124
1122 my $guard = cf::lock_acquire "user_find:$login"; 1125 my $guard = cf::lock_acquire "user_find:$login";
1123 1126
1124 $cf::PLAYER{$login} ||= (load_pl path $login or return); 1127 $cf::PLAYER{$_[0]} || do {
1128 my $pl = load_pl path $login
1129 or return;
1130 $cf::PLAYER{$login} = $pl
1131 }
1125 }; 1132 }
1126} 1133}
1127 1134
1128sub save($) { 1135sub save($) {
1129 my ($pl) = @_; 1136 my ($pl) = @_;
1130 1137
1132 1139
1133 my $path = path $pl; 1140 my $path = path $pl;
1134 my $guard = cf::lock_acquire "user_save:$path"; 1141 my $guard = cf::lock_acquire "user_save:$path";
1135 1142
1136 return if $pl->{deny_save}; 1143 return if $pl->{deny_save};
1144
1145 aio_mkdir playerdir $pl, 0770;
1137 $pl->{last_save} = $cf::RUNTIME; 1146 $pl->{last_save} = $cf::RUNTIME;
1138 1147
1139 Coro::cede;
1140 $pl->save_pl ($path); 1148 $pl->save_pl ($path);
1141 Coro::cede; 1149 Coro::cede;
1142} 1150}
1143 1151
1144sub new($) { 1152sub new($) {
1151 1159
1152 $cf::PLAYER{$login} = $self; 1160 $cf::PLAYER{$login} = $self;
1153 1161
1154 $self 1162 $self
1155} 1163}
1164
1165=item $pl->quit_character
1166
1167Nukes the player without looking back. If logged in, the connection will
1168be destroyed. May block for a long time.
1169
1170=cut
1156 1171
1157sub quit_character { 1172sub quit_character {
1158 my ($pl) = @_; 1173 my ($pl) = @_;
1159 1174
1160 $pl->{deny_save} = 1; 1175 $pl->{deny_save} = 1;
1165 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1180 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1166 $pl->ns->destroy if $pl->ns; 1181 $pl->ns->destroy if $pl->ns;
1167 1182
1168 my $path = playerdir $pl; 1183 my $path = playerdir $pl;
1169 my $temp = "$path~$cf::RUNTIME~deleting~"; 1184 my $temp = "$path~$cf::RUNTIME~deleting~";
1170 IO::AIO::aio_rename $path, $temp, sub { 1185 aio_rename $path, $temp;
1171 delete $cf::PLAYER{$pl->ob->name}; 1186 delete $cf::PLAYER{$pl->ob->name};
1172 $pl->destroy; 1187 $pl->destroy;
1173
1174 IO::AIO::aio_rmtree $temp; 1188 IO::AIO::aio_rmtree $temp;
1189}
1190
1191=item cf::player::list_logins
1192
1193Returns am arrayref of all valid playernames in the system, can take a
1194while and may block, so not sync_job-capable, ever.
1195
1196=cut
1197
1198sub list_logins {
1199 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1200 or return [];
1201
1202 my @logins;
1203
1204 for my $login (@$dirs) {
1205 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1206 aio_read $fh, 0, 512, my $buf, 0 or next;
1207 $buf !~ /^password -------------$/m or next; # official not-valid tag
1208
1209 utf8::decode $login;
1210 push @logins, $login;
1175 }; 1211 }
1212
1213 \@logins
1214}
1215
1216=item $player->maps
1217
1218Returns an arrayref of cf::path's of all maps that are private for this
1219player. May block.
1220
1221=cut
1222
1223sub maps($) {
1224 my ($pl) = @_;
1225
1226 my $files = aio_readdir playerdir $pl
1227 or return;
1228
1229 my @paths;
1230
1231 for (@$files) {
1232 utf8::decode $_;
1233 next if /\.(?:pl|pst)$/;
1234 next unless /^$PATH_SEP/o;
1235
1236 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1237 }
1238
1239 \@paths
1176} 1240}
1177 1241
1178=item $player->ext_reply ($msgid, $msgtype, %msg) 1242=item $player->ext_reply ($msgid, $msgtype, %msg)
1179 1243
1180Sends an ext reply to the player. 1244Sends an ext reply to the player.
1210 1274
1211sub generate_random_map { 1275sub generate_random_map {
1212 my ($path, $rmp) = @_; 1276 my ($path, $rmp) = @_;
1213 1277
1214 # mit "rum" bekleckern, nicht 1278 # mit "rum" bekleckern, nicht
1215 cf::map::_create_random_map 1279 cf::map::_create_random_map (
1216 $path, 1280 $path,
1217 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1281 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1218 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1282 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1219 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1283 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1220 $rmp->{exit_on_final_map}, 1284 $rmp->{exit_on_final_map},
1222 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1286 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1223 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1287 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1224 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1288 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1225 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1289 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1226 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1290 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1227 (cf::region::find $rmp->{region}) 1291 (cf::region::find $rmp->{region}), $rmp->{custom}
1292 )
1228} 1293}
1229 1294
1230# and all this just because we cannot iterate over 1295# and all this just because we cannot iterate over
1231# all maps in C++... 1296# all maps in C++...
1232sub change_all_map_light { 1297sub change_all_map_light {
1234 1299
1235 $_->change_map_light ($change) 1300 $_->change_map_light ($change)
1236 for grep $_->outdoor, values %cf::MAP; 1301 for grep $_->outdoor, values %cf::MAP;
1237} 1302}
1238 1303
1239sub try_load_header($) { 1304sub load_map_header($) {
1240 my ($path) = @_; 1305 my ($path) = @_;
1241 1306
1242 utf8::encode $path; 1307 utf8::encode $path;
1243 aio_open $path, O_RDONLY, 0 1308 aio_open $path, O_RDONLY, 0
1244 or return; 1309 or return;
1245 1310
1246 my $map = cf::map::new 1311 my $map = cf::map::new
1247 or return; 1312 or return;
1248 1313
1249 # for better error messages only, will be overwritten 1314 # for better error messages only, will be overwritten later
1250 $map->path ($path); 1315 $map->path ($path);
1251 1316
1252 $map->load_header ($path) 1317 $map->load_header ($path)
1253 or return; 1318 or return;
1254 1319
1270 1335
1271 $cf::MAP{$key} || do { 1336 $cf::MAP{$key} || do {
1272 my $guard = cf::lock_acquire "map_find:$key"; 1337 my $guard = cf::lock_acquire "map_find:$key";
1273 1338
1274 # do it the slow way 1339 # do it the slow way
1275 my $map = try_load_header $path->save_path; 1340 my $map = $path->load_temp;
1276 1341
1277 Coro::cede; 1342 Coro::cede;
1278 1343
1279 if ($map) { 1344 if ($map) {
1280 $map->last_access ((delete $map->{last_access}) 1345 $map->last_access ((delete $map->{last_access})
1281 || $cf::RUNTIME); #d# 1346 || $cf::RUNTIME); #d#
1282 # safety 1347 # safety
1283 $map->{instantiate_time} = $cf::RUNTIME 1348 $map->{instantiate_time} = $cf::RUNTIME
1284 if $map->{instantiate_time} > $cf::RUNTIME; 1349 if $map->{instantiate_time} > $cf::RUNTIME;
1285 } else { 1350 } else {
1286 if (my $rmp = $path->random_map_params) { 1351 $map = $path->load_orig
1287 $map = generate_random_map $key, $rmp;
1288 } else {
1289 $map = try_load_header $path->load_path;
1290 }
1291
1292 $map or return; 1352 or return;
1293 1353
1294 $map->{load_original} = 1; 1354 $map->{load_original} = 1;
1295 $map->{instantiate_time} = $cf::RUNTIME; 1355 $map->{instantiate_time} = $cf::RUNTIME;
1296 $map->last_access ($cf::RUNTIME); 1356 $map->last_access ($cf::RUNTIME);
1297 $map->instantiate; 1357 $map->instantiate;
1349 1409
1350 if ($self->{path}->is_style_map) { 1410 if ($self->{path}->is_style_map) {
1351 $self->{deny_save} = 1; 1411 $self->{deny_save} = 1;
1352 $self->{deny_reset} = 1; 1412 $self->{deny_reset} = 1;
1353 } else { 1413 } else {
1414 $self->decay_objects;
1354 $self->fix_auto_apply; 1415 $self->fix_auto_apply;
1355 $self->decay_objects;
1356 $self->update_buttons; 1416 $self->update_buttons;
1357 $self->set_darkness_map; 1417 $self->set_darkness_map;
1358 $self->difficulty ($self->estimate_difficulty) 1418 $self->difficulty ($self->estimate_difficulty)
1359 unless $self->difficulty; 1419 unless $self->difficulty;
1360 $self->activate; 1420 $self->activate;
1363 Coro::cede; 1423 Coro::cede;
1364 1424
1365 $self->in_memory (cf::MAP_IN_MEMORY); 1425 $self->in_memory (cf::MAP_IN_MEMORY);
1366} 1426}
1367 1427
1428# find and load all maps in the 3x3 area around a map
1429sub load_diag {
1430 my ($map) = @_;
1431
1432 my @diag; # diagonal neighbours
1433
1434 for (0 .. 3) {
1435 my $neigh = $map->tile_path ($_)
1436 or next;
1437 $neigh = find $neigh, $map
1438 or next;
1439 $neigh->load;
1440
1441 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1442 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1443 }
1444
1445 for (@diag) {
1446 my $neigh = find @$_
1447 or next;
1448 $neigh->load;
1449 }
1450}
1451
1368sub find_sync { 1452sub find_sync {
1369 my ($path, $origin) = @_; 1453 my ($path, $origin) = @_;
1370 1454
1371 cf::sync_job { cf::map::find $path, $origin } 1455 cf::sync_job { find $path, $origin }
1372} 1456}
1373 1457
1374sub do_load_sync { 1458sub do_load_sync {
1375 my ($map) = @_; 1459 my ($map) = @_;
1376 1460
1377 cf::sync_job { $map->load }; 1461 cf::sync_job { $map->load };
1462}
1463
1464our %MAP_PREFETCH;
1465our $MAP_PREFETCHER = Coro::async {
1466 while () {
1467 while (%MAP_PREFETCH) {
1468 my $key = each %MAP_PREFETCH
1469 or next;
1470 my $path = delete $MAP_PREFETCH{$key};
1471
1472 my $map = find $path
1473 or next;
1474 $map->load;
1475 }
1476 Coro::schedule;
1477 }
1478};
1479
1480sub find_async {
1481 my ($path, $origin) = @_;
1482
1483 $path = new cf::path $path, $origin && $origin->path;
1484 my $key = $path->as_string;
1485
1486 if (my $map = $cf::MAP{$key}) {
1487 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488 }
1489
1490 $MAP_PREFETCH{$key} = $path;
1491 $MAP_PREFETCHER->ready;
1492
1493 ()
1378} 1494}
1379 1495
1380sub save { 1496sub save {
1381 my ($self) = @_; 1497 my ($self) = @_;
1382 1498
1440 my ($self) = @_; 1556 my ($self) = @_;
1441 1557
1442 $self->reset_at <= $cf::RUNTIME 1558 $self->reset_at <= $cf::RUNTIME
1443} 1559}
1444 1560
1445sub unlink_save {
1446 my ($self) = @_;
1447
1448 utf8::encode (my $save = $self->{path}->save_path);
1449 aioreq_pri 3; IO::AIO::aio_unlink $save;
1450 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1451}
1452
1453sub rename { 1561sub rename {
1454 my ($self, $new_path) = @_; 1562 my ($self, $new_path) = @_;
1455 1563
1456 $self->unlink_save; 1564 $self->{path}->unlink_save;
1457 1565
1458 delete $cf::MAP{$self->path}; 1566 delete $cf::MAP{$self->path};
1459 $self->{path} = new cf::path $new_path; 1567 $self->{path} = new cf::path $new_path;
1460 $self->path ($self->{path}->as_string); 1568 $self->path ($self->{path}->as_string);
1461 $cf::MAP{$self->path} = $self; 1569 $cf::MAP{$self->path} = $self;
1475 1583
1476 delete $cf::MAP{$self->path}; 1584 delete $cf::MAP{$self->path};
1477 1585
1478 $_->clear_links_to ($self) for values %cf::MAP; 1586 $_->clear_links_to ($self) for values %cf::MAP;
1479 1587
1480 $self->unlink_save; 1588 $self->{path}->unlink_save;
1481 $self->destroy; 1589 $self->destroy;
1482} 1590}
1483 1591
1484my $nuke_counter = "aaaa"; 1592my $nuke_counter = "aaaa";
1485 1593
1500 } 1608 }
1501 1609
1502 $map 1610 $map
1503} 1611}
1504 1612
1505sub emergency_save { 1613=item cf::map::unique_maps
1506 my $freeze_guard = cf::freeze_mainloop;
1507 1614
1508 warn "enter emergency perl save\n"; 1615Returns an arrayref of cf::path's of all shared maps that have
1616instantiated unique items. May block.
1509 1617
1510 cf::sync_job { 1618=cut
1511 warn "begin emergency player save\n";
1512 $_->save for values %cf::PLAYER;
1513 warn "end emergency player save\n";
1514 1619
1515 warn "begin emergency map save\n"; 1620sub unique_maps() {
1516 $_->save for values %cf::MAP; 1621 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1517 warn "end emergency map save\n"; 1622 or return;
1623
1624 my @paths;
1625
1626 for (@$files) {
1627 utf8::decode $_;
1628 next if /\.pst$/;
1629 next unless /^$PATH_SEP/o;
1630
1631 push @paths, new cf::path $_;
1518 }; 1632 }
1519 1633
1520 warn "leave emergency perl save\n"; 1634 \@paths
1521} 1635}
1522 1636
1523package cf; 1637package cf;
1524 1638
1525=back 1639=back
1526 1640
1641=head3 cf::object
1642
1643=cut
1644
1645package cf::object;
1646
1647=over 4
1648
1649=item $ob->inv_recursive
1650
1651Returns the inventory of the object _and_ their inventories, recursively.
1652
1653=cut
1654
1655sub inv_recursive_;
1656sub inv_recursive_ {
1657 map { $_, inv_recursive_ $_->inv } @_
1658}
1659
1660sub inv_recursive {
1661 inv_recursive_ inv $_[0]
1662}
1663
1664package cf;
1665
1666=back
1527 1667
1528=head3 cf::object::player 1668=head3 cf::object::player
1529 1669
1530=over 4 1670=over 4
1531 1671
1623 # use -1 or undef as default coordinates, not 0, 0 1763 # use -1 or undef as default coordinates, not 0, 0
1624 ($x, $y) = ($map->enter_x, $map->enter_y) 1764 ($x, $y) = ($map->enter_x, $map->enter_y)
1625 if $x <=0 && $y <= 0; 1765 if $x <=0 && $y <= 0;
1626 1766
1627 $map->load; 1767 $map->load;
1768 $map->load_diag;
1628 1769
1629 return unless $self->contr->active; 1770 return unless $self->contr->active;
1630 $self->activate_recursive; 1771 $self->activate_recursive;
1631 $self->enter_map ($map, $x, $y); 1772 $self->enter_map ($map, $x, $y);
1632} 1773}
1668=cut 1809=cut
1669 1810
1670sub cf::object::player::goto { 1811sub cf::object::player::goto {
1671 my ($self, $path, $x, $y) = @_; 1812 my ($self, $path, $x, $y) = @_;
1672 1813
1814 $path = new cf::path $path;
1815
1673 $self->enter_link; 1816 $self->enter_link;
1674 1817
1675 (async { 1818 (async {
1676 $path = new cf::path $path;
1677
1678 my $map = cf::map::find $path->as_string; 1819 my $map = cf::map::find $path->as_string;
1679 $map = $map->customise_for ($self) if $map; 1820 $map = $map->customise_for ($self) if $map;
1680 1821
1681# warn "entering ", $map->path, " at ($x, $y)\n" 1822# warn "entering ", $map->path, " at ($x, $y)\n"
1682# if $map; 1823# if $map;
1683 1824
1684 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1825 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1685 1826
1686 $self->leave_link ($map, $x, $y); 1827 $self->leave_link ($map, $x, $y);
1687 })->prio (1); 1828 })->prio (1);
1688} 1829}
1689 1830
1755 1896
1756 1; 1897 1;
1757 }) { 1898 }) {
1758 $self->message ("Something went wrong deep within the crossfire server. " 1899 $self->message ("Something went wrong deep within the crossfire server. "
1759 . "I'll try to bring you back to the map you were before. " 1900 . "I'll try to bring you back to the map you were before. "
1760 . "Please report this to the dungeon master", 1901 . "Please report this to the dungeon master!",
1761 cf::NDI_UNIQUE | cf::NDI_RED); 1902 cf::NDI_UNIQUE | cf::NDI_RED);
1762 1903
1763 warn "ERROR in enter_exit: $@"; 1904 warn "ERROR in enter_exit: $@";
1764 $self->leave_link; 1905 $self->leave_link;
1765 } 1906 }
2097 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2238 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2098 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2239 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2099 2240
2100 if (exists $CFG{mlockall}) { 2241 if (exists $CFG{mlockall}) {
2101 eval { 2242 eval {
2102 $CFG{mlockall} ? &mlockall : &munlockall 2243 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2103 and die "WARNING: m(un)lockall failed: $!\n"; 2244 and die "WARNING: m(un)lockall failed: $!\n";
2104 }; 2245 };
2105 warn $@ if $@; 2246 warn $@ if $@;
2106 } 2247 }
2107} 2248}
2118 load_extensions; 2259 load_extensions;
2119 Event::loop; 2260 Event::loop;
2120} 2261}
2121 2262
2122############################################################################# 2263#############################################################################
2123# initialisation 2264# initialisation and cleanup
2265
2266# install some emergency cleanup handlers
2267BEGIN {
2268 for my $signal (qw(INT HUP TERM)) {
2269 Event->signal (
2270 data => WF_AUTOCANCEL,
2271 signal => $signal,
2272 cb => sub {
2273 cf::cleanup "SIG$signal";
2274 },
2275 );
2276 }
2277}
2278
2279sub emergency_save() {
2280 my $freeze_guard = cf::freeze_mainloop;
2281
2282 warn "enter emergency perl save\n";
2283
2284 cf::sync_job {
2285 # use a peculiar iteration method to avoid tripping on perl
2286 # refcount bugs in for. also avoids problems with players
2287 # and maps saved/Destroyed asynchronously.
2288 warn "begin emergency player save\n";
2289 for my $login (keys %cf::PLAYER) {
2290 my $pl = $cf::PLAYER{$login} or next;
2291 $pl->valid or next;
2292 $pl->save;
2293 }
2294 warn "end emergency player save\n";
2295
2296 warn "begin emergency map save\n";
2297 for my $path (keys %cf::MAP) {
2298 my $map = $cf::MAP{$path} or next;
2299 $map->valid or next;
2300 $map->save;
2301 }
2302 warn "end emergency map save\n";
2303 };
2304
2305 warn "leave emergency perl save\n";
2306}
2124 2307
2125sub reload() { 2308sub reload() {
2126 # can/must only be called in main 2309 # can/must only be called in main
2127 if ($Coro::current != $Coro::main) { 2310 if ($Coro::current != $Coro::main) {
2128 warn "can only reload from main coroutine\n"; 2311 warn "can only reload from main coroutine\n";
2129 return; 2312 return;
2130 } 2313 }
2131 2314
2132 warn "reloading..."; 2315 warn "reloading...";
2133 2316
2317 warn "freezing server";
2134 my $guard = freeze_mainloop; 2318 my $guard = freeze_mainloop;
2135 cf::emergency_save; 2319 cf::emergency_save;
2136 2320
2321 warn "sync database to disk";
2322 cf::db_sync;
2323 IO::AIO::flush;
2324
2137 eval { 2325 eval {
2138 # if anything goes wrong in here, we should simply crash as we already saved 2326 # if anything goes wrong in here, we should simply crash as we already saved
2139 2327
2140 # cancel all watchers 2328 warn "cancel all watchers";
2141 for (Event::all_watchers) { 2329 for (Event::all_watchers) {
2142 $_->cancel if $_->data & WF_AUTOCANCEL; 2330 $_->cancel if $_->data & WF_AUTOCANCEL;
2143 } 2331 }
2144 2332
2145 # cancel all extension coros 2333 warn "cancel all extension coros";
2146 $_->cancel for values %EXT_CORO; 2334 $_->cancel for values %EXT_CORO;
2147 %EXT_CORO = (); 2335 %EXT_CORO = ();
2148 2336
2337 warn "remove commands";
2338 %COMMAND = ();
2339
2340 warn "remove ext commands";
2341 %EXTCMD = ();
2342
2149 # unload all extensions 2343 warn "unload/nuke all extensions";
2150 for (@exts) { 2344 for my $pkg (@EXTS) {
2151 warn "unloading <$_>"; 2345 warn "... unloading $pkg";
2152 unload_extension $_; 2346
2347 if (my $cb = $pkg->can ("unload")) {
2348 eval {
2349 $cb->($pkg);
2350 1
2351 } or warn "$pkg unloaded, but with errors: $@";
2153 } 2352 }
2154 2353
2354 warn "... nuking $pkg";
2355 Symbol::delete_package $pkg;
2356 }
2357
2155 # unload all modules loaded from $LIBDIR 2358 warn "unload all perl modules loaded from $LIBDIR";
2156 while (my ($k, $v) = each %INC) { 2359 while (my ($k, $v) = each %INC) {
2157 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2158 2361
2159 warn "removing <$k>"; 2362 warn "removing <$k>";
2160 delete $INC{$k}; 2363 delete $INC{$k};
2167 } 2370 }
2168 2371
2169 Symbol::delete_package $k; 2372 Symbol::delete_package $k;
2170 } 2373 }
2171 2374
2172 # sync database to disk
2173 cf::db_sync;
2174 IO::AIO::flush;
2175
2176 # get rid of safe::, as good as possible 2375 warn "get rid of safe::, as good as possible";
2177 Symbol::delete_package "safe::$_" 2376 Symbol::delete_package "safe::$_"
2178 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2179 2378
2180 # remove register_script_function callbacks
2181 # TODO
2182
2183 # unload cf.pm "a bit" 2379 warn "unload cf.pm \"a bit\"";
2184 delete $INC{"cf.pm"}; 2380 delete $INC{"cf.pm"};
2185 2381
2186 # don't, removes xs symbols, too, 2382 # don't, removes xs symbols, too,
2187 # and global variables created in xs 2383 # and global variables created in xs
2188 #Symbol::delete_package __PACKAGE__; 2384 #Symbol::delete_package __PACKAGE__;
2189 2385
2190 # reload cf.pm
2191 warn "reloading cf.pm"; 2386 warn "reloading cf.pm";
2192 require cf; 2387 require cf;
2193 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2194 2389
2195 # load config and database again 2390 warn "load config and database again";
2196 cf::cfg_load; 2391 cf::cfg_load;
2197 cf::db_load; 2392 cf::db_load;
2198 2393
2199 # load extensions
2200 warn "load extensions"; 2394 warn "load extensions";
2201 cf::load_extensions; 2395 cf::load_extensions;
2202 2396
2203 # reattach attachments to objects 2397 warn "reattach attachments to objects/players";
2204 warn "reattach";
2205 _global_reattach; 2398 _global_reattach;
2399 warn "reattach attachments to maps";
2206 reattach $_ for values %MAP; 2400 reattach $_ for values %MAP;
2207 }; 2401 };
2208 2402
2209 if ($@) { 2403 if ($@) {
2210 warn $@; 2404 warn $@;
2211 warn "error while reloading, exiting."; 2405 warn "error while reloading, exiting.";
2212 exit 1; 2406 exit 1;
2213 } 2407 }
2214 2408
2215 warn "reloaded successfully"; 2409 warn "reloaded";
2216}; 2410};
2217 2411
2218############################################################################# 2412#############################################################################
2219 2413
2220unless ($LINK_MAP) { 2414unless ($LINK_MAP) {
2256 $LINK_MAP->{deny_reset} = 1; 2450 $LINK_MAP->{deny_reset} = 1;
2257 2451
2258 $cf::MAP{$LINK_MAP->path} = $LINK_MAP; 2452 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2259} 2453}
2260 2454
2261register "<global>", __PACKAGE__;
2262
2263register_command "reload" => sub { 2455register_command "reload" => sub {
2264 my ($who, $arg) = @_; 2456 my ($who, $arg) = @_;
2265 2457
2266 if ($who->flag (FLAG_WIZ)) { 2458 if ($who->flag (FLAG_WIZ)) {
2267 $who->message ("start of reload."); 2459 $who->message ("start of reload.");
2276 reentrant => 0, 2468 reentrant => 0,
2277 prio => 0, 2469 prio => 0,
2278 at => $NEXT_TICK || $TICK, 2470 at => $NEXT_TICK || $TICK,
2279 data => WF_AUTOCANCEL, 2471 data => WF_AUTOCANCEL,
2280 cb => sub { 2472 cb => sub {
2473 $NOW = Event::time;
2474
2281 cf::server_tick; # one server iteration 2475 cf::server_tick; # one server iteration
2282 $RUNTIME += $TICK; 2476 $RUNTIME += $TICK;
2283 $NEXT_TICK += $TICK; 2477 $NEXT_TICK += $TICK;
2478
2479 $WAIT_FOR_TICK->broadcast;
2480 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2284 2481
2285 # if we are delayed by four ticks or more, skip them all 2482 # if we are delayed by four ticks or more, skip them all
2286 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2483 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2287 2484
2288 $TICK_WATCHER->at ($NEXT_TICK); 2485 $TICK_WATCHER->at ($NEXT_TICK);

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