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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.164 by root, Thu Jan 11 01:24:25 2007 UTC vs.
Revision 1.191 by root, Tue Jan 23 01:05:18 2007 UTC

8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.3 (); 13use Coro 3.4 ();
14use Coro::Event; 14use Coro::Event;
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
44our @EVENT; 44our @EVENT;
45our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
46 46
47our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
49our $NEXT_TICK; 51our $NEXT_TICK;
50our $NOW; 52our $NOW;
51 53
52our %CFG; 54our %CFG;
53 55
54our $UPTIME; $UPTIME ||= time; 56our $UPTIME; $UPTIME ||= time;
55our $RUNTIME; 57our $RUNTIME;
56 58
57our %PLAYER; # all users 59our %PLAYER; # all users
58our %MAP; # all maps 60our %MAP; # all maps
59our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
60our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
61 63
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66
67# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
64 69
65binmode STDOUT; 70binmode STDOUT;
66binmode STDERR; 71binmode STDERR;
67 72
68# read virtual server time, if available 73# read virtual server time, if available
76mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
77mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
78mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
79mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
80 85
81# a special map that is always available
82our $LINK_MAP;
83our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
84 87
85############################################################################# 88#############################################################################
86 89
87=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
256} 259}
257 260
258sub freeze_mainloop { 261sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
260 263
261 my $guard = Coro::guard { $TICK_WATCHER->start }; 264 my $guard = Coro::guard {
265 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 };
268 $WRITE_RUNTIME_WATCHER->stop;
262 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
263 $guard 270 $guard
264} 271}
265 272
266=item cf::async { BLOCK } 273=item cf::async { BLOCK }
342 my $runtime = cf::localdir . "/runtime"; 349 my $runtime = cf::localdir . "/runtime";
343 350
344 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
345 or return; 352 or return;
346 353
354 my $value = $cf::RUNTIME + 90 + 10;
347 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357
348 (aio_write $fh, 0, (length $value), $value, 0) <= 0 358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
349 and return; 359 and return;
350 360
351 aio_fsync $fh 361 aio_fsync $fh
352 and return; 362 and return;
361} 371}
362 372
363=back 373=back
364 374
365=cut 375=cut
366
367#############################################################################
368
369package cf::path;
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} = $pkg;
381}
382
383sub new {
384 my ($class, $path, $base) = @_;
385
386 return $path if ref $path;
387
388 my $self = {};
389
390 # {... are special paths that are not being touched
391 # ?xxx/... are special absolute paths
392 # ?random/... random maps
393 # /! non-realised random map exit
394 # /... normal maps
395 # ~/... per-player maps without a specific player (DO NOT USE)
396 # ~user/... per-player map of a specific user
397
398 $path =~ s/$PATH_SEP/\//go;
399
400 if ($path =~ /^{/) {
401 # fine as it is
402 } else {
403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
405 $self->{user_rel} = 1;
406
407 if (defined $1) {
408 $self->{user} = $1;
409 } elsif ($base =~ m{^~([^/]+)/}) {
410 $self->{user} = $1;
411 } else {
412 warn "cannot resolve user-relative path without user <$path,$base>\n";
413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
420 } elsif ($path =~ /^\//) {
421 # /...
422 # already absolute
423 } else {
424 # relative
425 $base =~ s{[^/]+/?$}{};
426 return $class->new ("$base/$path");
427 }
428
429 for ($path) {
430 redo if s{/\.?/}{/};
431 redo if s{/[^/]+/\.\./}{/};
432 }
433 }
434
435 $self->{path} = $path;
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
449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
458}
459
460# the name / primary key / in-game path
461sub as_string {
462 my ($self) = @_;
463
464 $self->{user_rel} ? "~$self->{user}$self->{path}"
465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
466 : $self->{path}
467}
468
469# the displayed name, this is a one way mapping
470sub visible_name {
471 &as_string
472}
473
474# escape the /'s in the path
475sub _escaped_path {
476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
478 $path
479}
480
481# the original (read-only) location
482sub load_path {
483 my ($self) = @_;
484
485 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
486}
487
488# the temporary/swap location
489sub save_path {
490 my ($self) = @_;
491
492 $self->{user_rel}
493 ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
494 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
495}
496
497# the unique path, undef == no special unique path
498sub uniq_path {
499 my ($self) = @_;
500
501 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
502}
503
504# this is somewhat ugly, but style maps do need special treatment
505sub is_style_map {
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";
527}
528
529package cf;
530 376
531############################################################################# 377#############################################################################
532 378
533=head2 ATTACHABLE OBJECTS 379=head2 ATTACHABLE OBJECTS
534 380
660our @CB_TYPE = (); # registry for type (cf-object class) based events 506our @CB_TYPE = (); # registry for type (cf-object class) based events
661our @CB_MAP = (); 507our @CB_MAP = ();
662 508
663my %attachment; 509my %attachment;
664 510
511sub cf::attachable::thawer_merge {
512 # simply override everything except _meta
513 local $_[0]{_meta};
514 %{$_[0]} = %{$_[1]};
515}
516
665sub _attach_cb($$$$) { 517sub _attach_cb($$$$) {
666 my ($registry, $event, $prio, $cb) = @_; 518 my ($registry, $event, $prio, $cb) = @_;
667 519
668 use sort 'stable'; 520 use sort 'stable';
669 521
840# object support 692# object support
841 693
842sub reattach { 694sub reattach {
843 # basically do the same as instantiate, without calling instantiate 695 # basically do the same as instantiate, without calling instantiate
844 my ($obj) = @_; 696 my ($obj) = @_;
697
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
845 699
846 my $registry = $obj->registry; 700 my $registry = $obj->registry;
847 701
848 @$registry = (); 702 @$registry = ();
849 703
1036 "package $pkg; use strict; use utf8;\n" 890 "package $pkg; use strict; use utf8;\n"
1037 . "#line 1 \"$path\"\n{\n" 891 . "#line 1 \"$path\"\n{\n"
1038 . (do { local $/; <$fh> }) 892 . (do { local $/; <$fh> })
1039 . "\n};\n1"; 893 . "\n};\n1";
1040 894
1041 eval $source 895 unless (eval $source) {
1042 or die $@ ? "$path: $@\n" 896 my $msg = $@ ? "$path: $@\n"
1043 : "extension disabled.\n"; 897 : "extension disabled.\n";
898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
899 warn $@;
900 warn "mandatory extension failed to load, exiting.\n";
901 exit 1;
902 }
903 die $@;
904 }
1044 905
1045 push @EXTS, $pkg; 906 push @EXTS, $pkg;
1046} 907}
1047 908
1048sub load_extensions { 909sub load_extensions {
1054 } or warn "$ext not loaded: $@"; 915 } or warn "$ext not loaded: $@";
1055 } 916 }
1056} 917}
1057 918
1058############################################################################# 919#############################################################################
1059# load/save/clean perl data associated with a map
1060
1061*cf::mapsupport::on_clean = sub {
1062 my ($map) = @_;
1063
1064 my $path = $map->tmpname;
1065 defined $path or return;
1066
1067 unlink "$path.pst";
1068};
1069
1070cf::map->attach (prio => -10000, package => cf::mapsupport::);
1071
1072#############################################################################
1073 920
1074=head2 CORE EXTENSIONS 921=head2 CORE EXTENSIONS
1075 922
1076Functions and methods that extend core crossfire objects. 923Functions and methods that extend core crossfire objects.
1077 924
1113 960
1114sub exists($) { 961sub exists($) {
1115 my ($login) = @_; 962 my ($login) = @_;
1116 963
1117 $cf::PLAYER{$login} 964 $cf::PLAYER{$login}
1118 or cf::sync_job { !aio_stat $login } 965 or cf::sync_job { !aio_stat path $login }
1119} 966}
1120 967
1121sub find($) { 968sub find($) {
1122 return $cf::PLAYER{$_[0]} || do { 969 return $cf::PLAYER{$_[0]} || do {
1123 my $login = $_[0]; 970 my $login = $_[0];
1213 \@logins 1060 \@logins
1214} 1061}
1215 1062
1216=item $player->maps 1063=item $player->maps
1217 1064
1218Returns an arrayref of cf::path's of all maps that are private for this 1065Returns an arrayref of map paths that are private for this
1219player. May block. 1066player. May block.
1220 1067
1221=cut 1068=cut
1222 1069
1223sub maps($) { 1070sub maps($) {
1231 for (@$files) { 1078 for (@$files) {
1232 utf8::decode $_; 1079 utf8::decode $_;
1233 next if /\.(?:pl|pst)$/; 1080 next if /\.(?:pl|pst)$/;
1234 next unless /^$PATH_SEP/o; 1081 next unless /^$PATH_SEP/o;
1235 1082
1083 s/\.map$//;
1236 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_; 1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1237 } 1085 }
1238 1086
1239 \@paths 1087 \@paths
1240} 1088}
1241 1089
1267package cf::map; 1115package cf::map;
1268 1116
1269use Fcntl; 1117use Fcntl;
1270use Coro::AIO; 1118use Coro::AIO;
1271 1119
1120use overload
1121 '""' => \&as_string,
1122 fallback => 1;
1123
1272our $MAX_RESET = 3600; 1124our $MAX_RESET = 3600;
1273our $DEFAULT_RESET = 3000; 1125our $DEFAULT_RESET = 3000;
1274 1126
1275sub generate_random_map { 1127sub generate_random_map {
1276 my ($path, $rmp) = @_; 1128 my ($self, $rmp) = @_;
1277
1278 # mit "rum" bekleckern, nicht 1129 # mit "rum" bekleckern, nicht
1279 cf::map::_create_random_map ( 1130 $self->_create_random_map (
1280 $path,
1281 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1282 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1283 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1284 $rmp->{exit_on_final_map}, 1134 $rmp->{exit_on_final_map},
1285 $rmp->{xsize}, $rmp->{ysize}, 1135 $rmp->{xsize}, $rmp->{ysize},
1290 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1291 (cf::region::find $rmp->{region}), $rmp->{custom} 1141 (cf::region::find $rmp->{region}), $rmp->{custom}
1292 ) 1142 )
1293} 1143}
1294 1144
1145=item cf::map->register ($regex, $prio)
1146
1147Register a handler for the map path matching the given regex at the
1148givne priority (higher is better, built-in handlers have priority 0, the
1149default).
1150
1151=cut
1152
1153sub register {
1154 my (undef, $regex, $prio) = @_;
1155 my $pkg = caller;
1156
1157 no strict;
1158 push @{"$pkg\::ISA"}, __PACKAGE__;
1159
1160 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161}
1162
1163# also paths starting with '/'
1164$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1165
1166sub thawer_merge {
1167 my ($self, $merge) = @_;
1168
1169 # we have to keep some variables in memory intact
1170 local $self->{path};
1171 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174
1175 $self->SUPER::thawer_merge ($merge);
1176}
1177
1178sub normalise {
1179 my ($path, $base) = @_;
1180
1181 # map plan:
1182 #
1183 # /! non-realised random map exit (special hack!)
1184 # {... are special paths that are not being touched
1185 # ?xxx/... are special absolute paths
1186 # ?random/... random maps
1187 # /... normal maps
1188 # ~user/... per-player map of a specific user
1189
1190 $path =~ s/$PATH_SEP/\//go;
1191
1192 # treat it as relative path if it starts with
1193 # something that looks reasonable
1194 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1195 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1196
1197 $base =~ s{[^/]+/?$}{};
1198 $path = "$base/$path";
1199 }
1200
1201 for ($path) {
1202 redo if s{//}{/};
1203 redo if s{/\.?/}{/};
1204 redo if s{/[^/]+/\.\./}{/};
1205 }
1206
1207 $path
1208}
1209
1210sub new_from_path {
1211 my (undef, $path, $base) = @_;
1212
1213 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1214
1215 $path = normalise $path, $base;
1216
1217 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1218 if ($path =~ $EXT_MAP{$pkg}[1]) {
1219 my $self = bless cf::map::new, $pkg;
1220 $self->{path} = $path; $self->path ($path);
1221 $self->init; # pass $1 etc.
1222 return $self;
1223 }
1224 }
1225
1226 Carp::carp "unable to resolve path '$path'.";
1227 ()
1228}
1229
1230sub init {
1231 my ($self) = @_;
1232
1233 $self
1234}
1235
1236sub as_string {
1237 my ($self) = @_;
1238
1239 "$self->{path}"
1240}
1241
1242# the displayed name, this is a one way mapping
1243sub visible_name {
1244 &as_string
1245}
1246
1247# the original (read-only) location
1248sub load_path {
1249 my ($self) = @_;
1250
1251 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1252}
1253
1254# the temporary/swap location
1255sub save_path {
1256 my ($self) = @_;
1257
1258 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1260}
1261
1262# the unique path, undef == no special unique path
1263sub uniq_path {
1264 my ($self) = @_;
1265
1266 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1268}
1269
1295# and all this just because we cannot iterate over 1270# and all this just because we cannot iterate over
1296# all maps in C++... 1271# all maps in C++...
1297sub change_all_map_light { 1272sub change_all_map_light {
1298 my ($change) = @_; 1273 my ($change) = @_;
1299 1274
1300 $_->change_map_light ($change) 1275 $_->change_map_light ($change)
1301 for grep $_->outdoor, values %cf::MAP; 1276 for grep $_->outdoor, values %cf::MAP;
1302} 1277}
1303 1278
1279sub unlink_save {
1280 my ($self) = @_;
1281
1282 utf8::encode (my $save = $self->save_path);
1283 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1284 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1285}
1286
1304sub load_map_header($) { 1287sub load_header_from($) {
1305 my ($path) = @_; 1288 my ($self, $path) = @_;
1306 1289
1307 utf8::encode $path; 1290 utf8::encode $path;
1308 aio_open $path, O_RDONLY, 0 1291 aio_open $path, O_RDONLY, 0
1309 or return; 1292 or return;
1310 1293
1311 my $map = cf::map::new 1294 $self->_load_header ($path)
1312 or return; 1295 or return;
1313 1296
1314 # for better error messages only, will be overwritten later 1297 $self->{load_path} = $path;
1315 $map->path ($path);
1316 1298
1317 $map->load_header ($path) 1299 1
1300}
1301
1302sub load_header_orig {
1303 my ($self) = @_;
1304
1305 $self->load_header_from ($self->load_path)
1306}
1307
1308sub load_header_temp {
1309 my ($self) = @_;
1310
1311 $self->load_header_from ($self->save_path)
1312}
1313
1314sub prepare_temp {
1315 my ($self) = @_;
1316
1317 $self->last_access ((delete $self->{last_access})
1318 || $cf::RUNTIME); #d#
1319 # safety
1320 $self->{instantiate_time} = $cf::RUNTIME
1321 if $self->{instantiate_time} > $cf::RUNTIME;
1322}
1323
1324sub prepare_orig {
1325 my ($self) = @_;
1326
1327 $self->{load_original} = 1;
1328 $self->{instantiate_time} = $cf::RUNTIME;
1329 $self->last_access ($cf::RUNTIME);
1330 $self->instantiate;
1331}
1332
1333sub load_header {
1334 my ($self) = @_;
1335
1336 if ($self->load_header_temp) {
1337 $self->prepare_temp;
1338 } else {
1339 $self->load_header_orig
1318 or return; 1340 or return;
1341 $self->prepare_orig;
1342 }
1319 1343
1320 $map->{load_path} = $path; 1344 1
1321
1322 $map
1323} 1345}
1324 1346
1325sub find; 1347sub find;
1326sub find { 1348sub find {
1327 my ($path, $origin) = @_; 1349 my ($path, $origin) = @_;
1328 1350
1329 #warn "find<$path,$origin>\n";#d#
1330
1331 $path = new cf::path $path, $origin && $origin->path; 1351 $path = normalise $path, $origin && $origin->path;
1332 my $key = $path->as_string;
1333 1352
1334 cf::lock_wait "map_find:$key"; 1353 cf::lock_wait "map_find:$path";
1335 1354
1336 $cf::MAP{$key} || do { 1355 $cf::MAP{$path} || do {
1337 my $guard = cf::lock_acquire "map_find:$key"; 1356 my $guard = cf::lock_acquire "map_find:$path";
1338 1357 my $map = new_from_path cf::map $path
1339 # do it the slow way
1340 my $map = $path->load_temp;
1341
1342 Coro::cede;
1343
1344 if ($map) {
1345 $map->last_access ((delete $map->{last_access})
1346 || $cf::RUNTIME); #d#
1347 # safety
1348 $map->{instantiate_time} = $cf::RUNTIME
1349 if $map->{instantiate_time} > $cf::RUNTIME;
1350 } else {
1351 $map = $path->load_orig
1352 or return; 1358 or return;
1353 1359
1354 $map->{load_original} = 1;
1355 $map->{instantiate_time} = $cf::RUNTIME;
1356 $map->last_access ($cf::RUNTIME);
1357 $map->instantiate;
1358
1359 # per-player maps become, after loading, normal maps
1360 $map->per_player (0) if $path->{user_rel};
1361 }
1362
1363 $map->path ($key);
1364 $map->{path} = $path;
1365 $map->{last_save} = $cf::RUNTIME; 1360 $map->{last_save} = $cf::RUNTIME;
1366 1361
1367 Coro::cede; 1362 $map->load_header
1363 or return;
1368 1364
1369 if ($map->should_reset) { 1365 if ($map->should_reset) {
1366 # doing this can freeze the server in a sync job, obviously
1367 #$cf::WAIT_FOR_TICK->wait;
1370 $map->reset; 1368 $map->reset;
1371 undef $guard; 1369 undef $guard;
1372 $map = find $path 1370 $map = find $path
1373 or return; 1371 or return;
1374 } 1372 }
1375 1373
1376 $cf::MAP{$key} = $map 1374 $cf::MAP{$path} = $map
1377 } 1375 }
1378} 1376}
1377
1378sub pre_load { }
1379sub post_load { }
1379 1380
1380sub load { 1381sub load {
1381 my ($self) = @_; 1382 my ($self) = @_;
1382 1383
1383 my $path = $self->{path}; 1384 my $path = $self->{path};
1384 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1385 my $guard = cf::lock_acquire "map_load:$path";
1385 1386
1386 return if $self->in_memory != cf::MAP_SWAPPED; 1387 return if $self->in_memory != cf::MAP_SWAPPED;
1387 1388
1388 $self->in_memory (cf::MAP_LOADING); 1389 $self->in_memory (cf::MAP_LOADING);
1389 1390
1390 $self->alloc; 1391 $self->alloc;
1392
1393 $self->pre_load;
1394
1391 $self->load_objects ($self->{load_path}, 1) 1395 $self->_load_objects ($self->{load_path}, 1)
1392 or return; 1396 or return;
1393 1397
1394 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1398 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1395 if delete $self->{load_original}; 1399 if delete $self->{load_original};
1396 1400
1397 if (my $uniq = $path->uniq_path) { 1401 if (my $uniq = $self->uniq_path) {
1398 utf8::encode $uniq; 1402 utf8::encode $uniq;
1399 if (aio_open $uniq, O_RDONLY, 0) { 1403 if (aio_open $uniq, O_RDONLY, 0) {
1400 $self->clear_unique_items; 1404 $self->clear_unique_items;
1401 $self->load_objects ($uniq, 0); 1405 $self->_load_objects ($uniq, 0);
1402 } 1406 }
1403 } 1407 }
1404 1408
1405 Coro::cede; 1409 Coro::cede;
1406 1410
1407 # now do the right thing for maps 1411 # now do the right thing for maps
1408 $self->link_multipart_objects; 1412 $self->link_multipart_objects;
1409 1413
1410 if ($self->{path}->is_style_map) { 1414 unless ($self->{deny_activate}) {
1411 $self->{deny_save} = 1;
1412 $self->{deny_reset} = 1;
1413 } else {
1414 $self->decay_objects; 1415 $self->decay_objects;
1415 $self->fix_auto_apply; 1416 $self->fix_auto_apply;
1416 $self->update_buttons; 1417 $self->update_buttons;
1418 Coro::cede;
1417 $self->set_darkness_map; 1419 $self->set_darkness_map;
1418 $self->difficulty ($self->estimate_difficulty) 1420 $self->difficulty ($self->estimate_difficulty)
1419 unless $self->difficulty; 1421 unless $self->difficulty;
1422 Coro::cede;
1420 $self->activate; 1423 $self->activate;
1421 } 1424 }
1422 1425
1423 Coro::cede; 1426 $self->post_load;
1424 1427
1425 $self->in_memory (cf::MAP_IN_MEMORY); 1428 $self->in_memory (cf::MAP_IN_MEMORY);
1429}
1430
1431sub customise_for {
1432 my ($self, $ob) = @_;
1433
1434 return find "~" . $ob->name . "/" . $self->{path}
1435 if $self->per_player;
1436
1437 $self
1426} 1438}
1427 1439
1428# find and load all maps in the 3x3 area around a map 1440# find and load all maps in the 3x3 area around a map
1429sub load_diag { 1441sub load_diag {
1430 my ($map) = @_; 1442 my ($map) = @_;
1460 1472
1461 cf::sync_job { $map->load }; 1473 cf::sync_job { $map->load };
1462} 1474}
1463 1475
1464our %MAP_PREFETCH; 1476our %MAP_PREFETCH;
1465our $MAP_PREFETCHER = Coro::async { 1477our $MAP_PREFETCHER = undef;
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 $map->load;
1475 }
1476 Coro::schedule;
1477 }
1478};
1479 1478
1480sub find_async { 1479sub find_async {
1481 my ($path, $origin) = @_; 1480 my ($path, $origin) = @_;
1482 1481
1483 $path = new cf::path $path, $origin && $origin->path; 1482 $path = normalise $path, $origin && $origin->{path};
1484 my $key = $path->as_string;
1485 1483
1486 if (my $map = $cf::MAP{$key}) { 1484 if (my $map = $cf::MAP{$path}) {
1487 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1485 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488 } 1486 }
1489 1487
1490 $MAP_PREFETCH{$key} = $path; 1488 undef $MAP_PREFETCH{$path};
1489 $MAP_PREFETCHER ||= cf::async {
1490 while (%MAP_PREFETCH) {
1491 for my $path (keys %MAP_PREFETCH) {
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495
1496 delete $MAP_PREFETCH{$path};
1497 }
1498 }
1499 undef $MAP_PREFETCHER;
1500 };
1491 $MAP_PREFETCHER->ready; 1501 $MAP_PREFETCHER->prio (6);
1492 1502
1493 () 1503 ()
1494} 1504}
1495 1505
1496sub save { 1506sub save {
1500 1510
1501 $self->{last_save} = $cf::RUNTIME; 1511 $self->{last_save} = $cf::RUNTIME;
1502 1512
1503 return unless $self->dirty; 1513 return unless $self->dirty;
1504 1514
1505 my $save = $self->{path}->save_path; utf8::encode $save; 1515 my $save = $self->save_path; utf8::encode $save;
1506 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1516 my $uniq = $self->uniq_path; utf8::encode $uniq;
1507 1517
1508 $self->{load_path} = $save; 1518 $self->{load_path} = $save;
1509 1519
1510 return if $self->{deny_save}; 1520 return if $self->{deny_save};
1511 1521
1514 cf::async { 1524 cf::async {
1515 $_->contr->save for $self->players; 1525 $_->contr->save for $self->players;
1516 }; 1526 };
1517 1527
1518 if ($uniq) { 1528 if ($uniq) {
1519 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1529 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1520 $self->save_objects ($uniq, cf::IO_UNIQUES); 1530 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1521 } else { 1531 } else {
1522 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1532 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1523 } 1533 }
1524} 1534}
1525 1535
1526sub swap_out { 1536sub swap_out {
1527 my ($self) = @_; 1537 my ($self) = @_;
1541 1551
1542sub reset_at { 1552sub reset_at {
1543 my ($self) = @_; 1553 my ($self) = @_;
1544 1554
1545 # TODO: safety, remove and allow resettable per-player maps 1555 # TODO: safety, remove and allow resettable per-player maps
1546 return 1e99 if $self->{path}{user_rel}; 1556 return 1e99 if $self->isa ("ext::map_per_player");#d#
1547 return 1e99 if $self->{deny_reset}; 1557 return 1e99 if $self->{deny_reset};
1548 1558
1549 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1559 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1550 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1560 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1551 1561
1556 my ($self) = @_; 1566 my ($self) = @_;
1557 1567
1558 $self->reset_at <= $cf::RUNTIME 1568 $self->reset_at <= $cf::RUNTIME
1559} 1569}
1560 1570
1561sub rename {
1562 my ($self, $new_path) = @_;
1563
1564 $self->{path}->unlink_save;
1565
1566 delete $cf::MAP{$self->path};
1567 $self->{path} = new cf::path $new_path;
1568 $self->path ($self->{path}->as_string);
1569 $cf::MAP{$self->path} = $self;
1570
1571 $self->save;
1572}
1573
1574sub reset { 1571sub reset {
1575 my ($self) = @_; 1572 my ($self) = @_;
1576 1573
1577 my $lock = cf::lock_acquire "map_data:" . $self->path; 1574 my $lock = cf::lock_acquire "map_data:$self->{path}";
1578 1575
1579 return if $self->players; 1576 return if $self->players;
1580 return if $self->{path}{user_rel};#d# 1577 return if $self->isa ("ext::map_per_player");#d#
1581 1578
1582 warn "resetting map ", $self->path;#d# 1579 warn "resetting map ", $self->path;#d#
1583 1580
1584 delete $cf::MAP{$self->path}; 1581 delete $cf::MAP{$self->path};
1585 1582
1583 $self->in_memory (cf::MAP_SWAPPED);
1584 $self->clear;
1585
1586 $_->clear_links_to ($self) for values %cf::MAP; 1586 $_->clear_links_to ($self) for values %cf::MAP;
1587 1587
1588 $self->{path}->unlink_save; 1588 $self->unlink_save;
1589 $self->destroy; 1589 $self->destroy;
1590} 1590}
1591 1591
1592my $nuke_counter = "aaaa"; 1592my $nuke_counter = "aaaa";
1593 1593
1594sub nuke { 1594sub nuke {
1595 my ($self) = @_; 1595 my ($self) = @_;
1596 1596
1597 delete $cf::MAP{$self->path};
1598
1599 $self->unlink_save;
1600
1601 bless $self, "cf::map";
1602 delete $self->{deny_reset};
1597 $self->{deny_save} = 1; 1603 $self->{deny_save} = 1;
1598 $self->reset_timeout (1); 1604 $self->reset_timeout (1);
1599 $self->rename ("{nuke}/" . ($nuke_counter++)); 1605 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606
1607 $cf::MAP{$self->path} = $self;
1608
1600 $self->reset; # polite request, might not happen 1609 $self->reset; # polite request, might not happen
1601} 1610}
1602 1611
1603sub customise_for {
1604 my ($map, $ob) = @_;
1605
1606 if ($map->per_player) {
1607 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1608 }
1609
1610 $map
1611}
1612
1613=item cf::map::unique_maps 1612=item cf::map::unique_maps
1614 1613
1615Returns an arrayref of cf::path's of all shared maps that have 1614Returns an arrayref of paths of all shared maps that have
1616instantiated unique items. May block. 1615instantiated unique items. May block.
1617 1616
1618=cut 1617=cut
1619 1618
1620sub unique_maps() { 1619sub unique_maps() {
1626 for (@$files) { 1625 for (@$files) {
1627 utf8::decode $_; 1626 utf8::decode $_;
1628 next if /\.pst$/; 1627 next if /\.pst$/;
1629 next unless /^$PATH_SEP/o; 1628 next unless /^$PATH_SEP/o;
1630 1629
1630 s/\.map$//;
1631 push @paths, new cf::path $_; 1631 push @paths, $_;
1632 } 1632 }
1633 1633
1634 \@paths 1634 \@paths
1635} 1635}
1636 1636
1711 1711
1712=item $player_object->enter_link 1712=item $player_object->enter_link
1713 1713
1714Freezes the player and moves him/her to a special map (C<{link}>). 1714Freezes the player and moves him/her to a special map (C<{link}>).
1715 1715
1716The player should be reaosnably safe there for short amounts of time. You 1716The player should be reasonably safe there for short amounts of time. You
1717I<MUST> call C<leave_link> as soon as possible, though. 1717I<MUST> call C<leave_link> as soon as possible, though.
1718 1718
1719Will never block.
1720
1719=item $player_object->leave_link ($map, $x, $y) 1721=item $player_object->leave_link ($map, $x, $y)
1720 1722
1721Moves the player out of the specila link map onto the given map. If the 1723Moves the player out of the special C<{link}> map onto the specified
1722map is not valid (or omitted), the player will be moved back to the 1724map. If the map is not valid (or omitted), the player will be moved back
1723location he/she was before the call to C<enter_link>, or, if that fails, 1725to the location he/she was before the call to C<enter_link>, or, if that
1724to the emergency map position. 1726fails, to the emergency map position.
1725 1727
1726Might block. 1728Might block.
1727 1729
1728=cut 1730=cut
1731
1732sub link_map {
1733 unless ($LINK_MAP) {
1734 $LINK_MAP = cf::map::find "{link}"
1735 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1736 $LINK_MAP->load;
1737 }
1738
1739 $LINK_MAP
1740}
1729 1741
1730sub cf::object::player::enter_link { 1742sub cf::object::player::enter_link {
1731 my ($self) = @_; 1743 my ($self) = @_;
1732 1744
1733 $self->deactivate_recursive; 1745 $self->deactivate_recursive;
1734 1746
1735 return if $self->map == $LINK_MAP; 1747 return if UNIVERSAL::isa $self->map, "ext::map_link";
1736 1748
1737 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1749 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1738 if $self->map; 1750 if $self->map;
1739 1751
1740 $self->enter_map ($LINK_MAP, 20, 20); 1752 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1741} 1753}
1742 1754
1743sub cf::object::player::leave_link { 1755sub cf::object::player::leave_link {
1744 my ($self, $map, $x, $y) = @_; 1756 my ($self, $map, $x, $y) = @_;
1745 1757
1809=cut 1821=cut
1810 1822
1811sub cf::object::player::goto { 1823sub cf::object::player::goto {
1812 my ($self, $path, $x, $y) = @_; 1824 my ($self, $path, $x, $y) = @_;
1813 1825
1814 $path = new cf::path $path;
1815
1816 $self->enter_link; 1826 $self->enter_link;
1817 1827
1818 (async { 1828 (async {
1819 my $map = cf::map::find $path->as_string; 1829 my $map = cf::map::find $path;
1820 $map = $map->customise_for ($self) if $map; 1830 $map = $map->customise_for ($self) if $map;
1821 1831
1822# warn "entering ", $map->path, " at ($x, $y)\n" 1832# warn "entering ", $map->path, " at ($x, $y)\n"
1823# if $map; 1833# if $map;
1824 1834
1834 1844
1835sub parse_random_map_params { 1845sub parse_random_map_params {
1836 my ($spec) = @_; 1846 my ($spec) = @_;
1837 1847
1838 my $rmp = { # defaults 1848 my $rmp = { # defaults
1839 xsize => 10, 1849 xsize => (cf::rndm 15, 40),
1840 ysize => 10, 1850 ysize => (cf::rndm 15, 40),
1851 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1852 #layout => string,
1841 }; 1853 };
1842 1854
1843 for (split /\n/, $spec) { 1855 for (split /\n/, $spec) {
1844 my ($k, $v) = split /\s+/, $_, 2; 1856 my ($k, $v) = split /\s+/, $_, 2;
1845 1857
1849 $rmp 1861 $rmp
1850} 1862}
1851 1863
1852sub prepare_random_map { 1864sub prepare_random_map {
1853 my ($exit) = @_; 1865 my ($exit) = @_;
1866
1867 my $guard = cf::lock_acquire "exit_prepare:$exit";
1854 1868
1855 # all this does is basically replace the /! path by 1869 # all this does is basically replace the /! path by
1856 # a new random map path (?random/...) with a seed 1870 # a new random map path (?random/...) with a seed
1857 # that depends on the exit object 1871 # that depends on the exit object
1858 1872
1867 1881
1868 $rmp->{random_seed} ||= $exit->random_seed; 1882 $rmp->{random_seed} ||= $exit->random_seed;
1869 1883
1870 my $data = cf::to_json $rmp; 1884 my $data = cf::to_json $rmp;
1871 my $md5 = Digest::MD5::md5_hex $data; 1885 my $md5 = Digest::MD5::md5_hex $data;
1886 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1872 1887
1873 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1888 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1874 aio_write $fh, 0, (length $data), $data, 0; 1889 aio_write $fh, 0, (length $data), $data, 0;
1890 undef $fh;
1891 aio_rename "$meta~", $meta;
1875 1892
1876 $exit->slaying ("?random/$md5"); 1893 $exit->slaying ("?random/$md5");
1877 $exit->msg (undef); 1894 $exit->msg (undef);
1878 } 1895 }
1879} 1896}
1889 $self->deactivate_recursive; # just to be sure 1906 $self->deactivate_recursive; # just to be sure
1890 unless (eval { 1907 unless (eval {
1891 prepare_random_map $exit 1908 prepare_random_map $exit
1892 if $exit->slaying eq "/!"; 1909 if $exit->slaying eq "/!";
1893 1910
1894 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1911 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1895 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1912 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1896 1913
1897 1; 1914 1;
1898 }) { 1915 }) {
1899 $self->message ("Something went wrong deep within the crossfire server. " 1916 $self->message ("Something went wrong deep within the crossfire server. "
2189 sub db_sync() { 2206 sub db_sync() {
2190 db_save if $dirty; 2207 db_save if $dirty;
2191 undef $dirty; 2208 undef $dirty;
2192 } 2209 }
2193 2210
2194 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2211 my $idle = Event->idle (
2195 db_sync; 2212 reentrant => 0,
2213 min => 10,
2214 max => 20,
2215 repeat => 0,
2216 data => WF_AUTOCANCEL,
2217 cb => \&db_sync,
2196 }); 2218 );
2197 2219
2198 sub db_dirty() { 2220 sub db_dirty() {
2199 $dirty = 1; 2221 $dirty = 1;
2200 $idle->start; 2222 $idle->start;
2201 } 2223 }
2249 2271
2250sub main { 2272sub main {
2251 # we must not ever block the main coroutine 2273 # we must not ever block the main coroutine
2252 local $Coro::idle = sub { 2274 local $Coro::idle = sub {
2253 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2275 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2276 (async {
2254 async { Event::one_event }; 2277 Event::one_event;
2278 })->prio (Coro::PRIO_MAX);
2255 }; 2279 };
2256 2280
2257 cfg_load; 2281 cfg_load;
2258 db_load; 2282 db_load;
2259 load_extensions; 2283 load_extensions;
2284
2285 $TICK_WATCHER->start;
2260 Event::loop; 2286 Event::loop;
2261} 2287}
2262 2288
2263############################################################################# 2289#############################################################################
2264# initialisation and cleanup 2290# initialisation and cleanup
2265 2291
2266# install some emergency cleanup handlers 2292# install some emergency cleanup handlers
2267BEGIN { 2293BEGIN {
2268 for my $signal (qw(INT HUP TERM)) { 2294 for my $signal (qw(INT HUP TERM)) {
2269 Event->signal ( 2295 Event->signal (
2296 reentrant => 0,
2270 data => WF_AUTOCANCEL, 2297 data => WF_AUTOCANCEL,
2271 signal => $signal, 2298 signal => $signal,
2299 prio => 0,
2272 cb => sub { 2300 cb => sub {
2273 cf::cleanup "SIG$signal"; 2301 cf::cleanup "SIG$signal";
2274 }, 2302 },
2275 ); 2303 );
2276 } 2304 }
2277} 2305}
2282 warn "enter emergency perl save\n"; 2310 warn "enter emergency perl save\n";
2283 2311
2284 cf::sync_job { 2312 cf::sync_job {
2285 # use a peculiar iteration method to avoid tripping on perl 2313 # use a peculiar iteration method to avoid tripping on perl
2286 # refcount bugs in for. also avoids problems with players 2314 # refcount bugs in for. also avoids problems with players
2287 # and maps saved/Destroyed asynchronously. 2315 # and maps saved/destroyed asynchronously.
2288 warn "begin emergency player save\n"; 2316 warn "begin emergency player save\n";
2289 for my $login (keys %cf::PLAYER) { 2317 for my $login (keys %cf::PLAYER) {
2290 my $pl = $cf::PLAYER{$login} or next; 2318 my $pl = $cf::PLAYER{$login} or next;
2291 $pl->valid or next; 2319 $pl->valid or next;
2292 $pl->save; 2320 $pl->save;
2306} 2334}
2307 2335
2308sub reload() { 2336sub reload() {
2309 # can/must only be called in main 2337 # can/must only be called in main
2310 if ($Coro::current != $Coro::main) { 2338 if ($Coro::current != $Coro::main) {
2311 warn "can only reload from main coroutine\n"; 2339 warn "can only reload from main coroutine";
2312 return; 2340 return;
2313 } 2341 }
2314 2342
2315 warn "reloading..."; 2343 warn "reloading...";
2316 2344
2317 warn "freezing server"; 2345 warn "cancelling server ticker";
2318 my $guard = freeze_mainloop; 2346 $TICK_WATCHER->cancel;
2347
2319 cf::emergency_save; 2348 cf::emergency_save;
2320
2321 warn "sync database to disk";
2322 cf::db_sync;
2323 IO::AIO::flush;
2324 2349
2325 eval { 2350 eval {
2326 # if anything goes wrong in here, we should simply crash as we already saved 2351 # if anything goes wrong in here, we should simply crash as we already saved
2327 2352
2353 warn "syncing database to disk";
2354 cf::db_sync;
2355
2328 warn "cancel all watchers"; 2356 warn "cancelling all WF_AUTOCANCEL watchers";
2329 for (Event::all_watchers) { 2357 for (Event::all_watchers) {
2330 $_->cancel if $_->data & WF_AUTOCANCEL; 2358 $_->cancel if $_->data & WF_AUTOCANCEL;
2331 } 2359 }
2332 2360
2361 warn "flushing outstanding aio requests";
2362 for (;;) {
2363 IO::AIO::flush;
2364 Coro::cede;
2365 last unless IO::AIO::nreqs;
2366 warn "iterate...";
2367 }
2368
2333 warn "cancel all extension coros"; 2369 warn "cancelling all extension coros";
2334 $_->cancel for values %EXT_CORO; 2370 $_->cancel for values %EXT_CORO;
2335 %EXT_CORO = (); 2371 %EXT_CORO = ();
2336 2372
2337 warn "remove commands"; 2373 warn "removing commands";
2338 %COMMAND = (); 2374 %COMMAND = ();
2339 2375
2340 warn "remove ext commands"; 2376 warn "removing ext commands";
2341 %EXTCMD = (); 2377 %EXTCMD = ();
2342 2378
2343 warn "unload/nuke all extensions"; 2379 warn "unloading/nuking all extensions";
2344 for my $pkg (@EXTS) { 2380 for my $pkg (@EXTS) {
2345 warn "... unloading $pkg"; 2381 warn "... unloading $pkg";
2346 2382
2347 if (my $cb = $pkg->can ("unload")) { 2383 if (my $cb = $pkg->can ("unload")) {
2348 eval { 2384 eval {
2353 2389
2354 warn "... nuking $pkg"; 2390 warn "... nuking $pkg";
2355 Symbol::delete_package $pkg; 2391 Symbol::delete_package $pkg;
2356 } 2392 }
2357 2393
2358 warn "unload all perl modules loaded from $LIBDIR"; 2394 warn "unloading all perl modules loaded from $LIBDIR";
2359 while (my ($k, $v) = each %INC) { 2395 while (my ($k, $v) = each %INC) {
2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2396 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2361 2397
2362 warn "removing <$k>"; 2398 warn "... unloading $k";
2363 delete $INC{$k}; 2399 delete $INC{$k};
2364 2400
2365 $k =~ s/\.pm$//; 2401 $k =~ s/\.pm$//;
2366 $k =~ s/\//::/g; 2402 $k =~ s/\//::/g;
2367 2403
2370 } 2406 }
2371 2407
2372 Symbol::delete_package $k; 2408 Symbol::delete_package $k;
2373 } 2409 }
2374 2410
2375 warn "get rid of safe::, as good as possible"; 2411 warn "getting rid of safe::, as good as possible";
2376 Symbol::delete_package "safe::$_" 2412 Symbol::delete_package "safe::$_"
2377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2413 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2378 2414
2379 warn "unload cf.pm \"a bit\""; 2415 warn "unloading cf.pm \"a bit\"";
2380 delete $INC{"cf.pm"}; 2416 delete $INC{"cf.pm"};
2381 2417
2382 # don't, removes xs symbols, too, 2418 # don't, removes xs symbols, too,
2383 # and global variables created in xs 2419 # and global variables created in xs
2384 #Symbol::delete_package __PACKAGE__; 2420 #Symbol::delete_package __PACKAGE__;
2385 2421
2422 warn "unload completed, starting to reload now";
2423
2386 warn "reloading cf.pm"; 2424 warn "reloading cf.pm";
2387 require cf; 2425 require cf;
2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2426 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2389 2427
2390 warn "load config and database again"; 2428 warn "loading config and database again";
2391 cf::cfg_load; 2429 cf::cfg_load;
2392 cf::db_load; 2430 cf::db_load;
2393 2431
2394 warn "load extensions"; 2432 warn "loading extensions";
2395 cf::load_extensions; 2433 cf::load_extensions;
2396 2434
2397 warn "reattach attachments to objects/players"; 2435 warn "reattaching attachments to objects/players";
2398 _global_reattach; 2436 _global_reattach;
2399 warn "reattach attachments to maps"; 2437 warn "reattaching attachments to maps";
2400 reattach $_ for values %MAP; 2438 reattach $_ for values %MAP;
2439
2440 warn "restarting server ticker";
2441
2442 $TICK_WATCHER->start;
2401 }; 2443 };
2402 2444
2403 if ($@) { 2445 if ($@) {
2404 warn $@; 2446 warn $@;
2405 warn "error while reloading, exiting."; 2447 warn "error while reloading, exiting.";
2407 } 2449 }
2408 2450
2409 warn "reloaded"; 2451 warn "reloaded";
2410}; 2452};
2411 2453
2412############################################################################# 2454our $RELOAD_WATCHER; # used only during reload
2413
2414unless ($LINK_MAP) {
2415 $LINK_MAP = cf::map::new;
2416
2417 $LINK_MAP->width (41);
2418 $LINK_MAP->height (41);
2419 $LINK_MAP->alloc;
2420 $LINK_MAP->path ("{link}");
2421 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2422 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2423
2424 # dirty hack because... archetypes are not yet loaded
2425 Event->timer (
2426 after => 10,
2427 cb => sub {
2428 $_[0]->w->cancel;
2429
2430 # provide some exits "home"
2431 my $exit = cf::object::new "exit";
2432
2433 $exit->slaying ($EMERGENCY_POSITION->[0]);
2434 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2435 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2436
2437 $LINK_MAP->insert ($exit->clone, 19, 19);
2438 $LINK_MAP->insert ($exit->clone, 19, 20);
2439 $LINK_MAP->insert ($exit->clone, 19, 21);
2440 $LINK_MAP->insert ($exit->clone, 20, 19);
2441 $LINK_MAP->insert ($exit->clone, 20, 21);
2442 $LINK_MAP->insert ($exit->clone, 21, 19);
2443 $LINK_MAP->insert ($exit->clone, 21, 20);
2444 $LINK_MAP->insert ($exit->clone, 21, 21);
2445
2446 $exit->destroy;
2447 });
2448
2449 $LINK_MAP->{deny_save} = 1;
2450 $LINK_MAP->{deny_reset} = 1;
2451
2452 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2453}
2454 2455
2455register_command "reload" => sub { 2456register_command "reload" => sub {
2456 my ($who, $arg) = @_; 2457 my ($who, $arg) = @_;
2457 2458
2458 if ($who->flag (FLAG_WIZ)) { 2459 if ($who->flag (FLAG_WIZ)) {
2459 $who->message ("start of reload."); 2460 $who->message ("reloading server.");
2461
2462 # doing reload synchronously and two reloads happen back-to-back,
2463 # coro crashes during coro_state_free->destroy here.
2464
2465 $RELOAD_WATCHER ||= Event->timer (
2466 reentrant => 0,
2467 after => 0,
2468 data => WF_AUTOCANCEL,
2469 cb => sub {
2460 reload; 2470 reload;
2461 $who->message ("end of reload."); 2471 undef $RELOAD_WATCHER;
2472 },
2473 );
2462 } 2474 }
2463}; 2475};
2464 2476
2465unshift @INC, $LIBDIR; 2477unshift @INC, $LIBDIR;
2478
2479my $bug_warning = 0;
2466 2480
2467$TICK_WATCHER = Event->timer ( 2481$TICK_WATCHER = Event->timer (
2468 reentrant => 0, 2482 reentrant => 0,
2483 parked => 1,
2469 prio => 0, 2484 prio => 0,
2470 at => $NEXT_TICK || $TICK, 2485 at => $NEXT_TICK || $TICK,
2471 data => WF_AUTOCANCEL, 2486 data => WF_AUTOCANCEL,
2472 cb => sub { 2487 cb => sub {
2488 if ($Coro::current != $Coro::main) {
2489 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2490 unless ++$bug_warning > 10;
2491 return;
2492 }
2493
2473 $NOW = Event::time; 2494 $NOW = Event::time;
2474 2495
2475 cf::server_tick; # one server iteration 2496 cf::server_tick; # one server iteration
2476 $RUNTIME += $TICK; 2497 $RUNTIME += $TICK;
2477 $NEXT_TICK += $TICK; 2498 $NEXT_TICK += $TICK;
2478 2499
2479 $WAIT_FOR_TICK->broadcast; 2500 $WAIT_FOR_TICK->broadcast;
2480 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2501 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2502
2503 Event::sweep;
2504 Coro::cede_notself;
2505
2506# my $AFTER = Event::time;
2507# warn $AFTER - $NOW;#d#
2481 2508
2482 # if we are delayed by four ticks or more, skip them all 2509 # if we are delayed by four ticks or more, skip them all
2483 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2510 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2484 2511
2485 $TICK_WATCHER->at ($NEXT_TICK); 2512 $TICK_WATCHER->at ($NEXT_TICK);
2486 $TICK_WATCHER->start; 2513 $TICK_WATCHER->start;
2487 }, 2514 },
2488); 2515);
2489 2516
2490IO::AIO::max_poll_time $TICK * 0.2; 2517IO::AIO::max_poll_time $TICK * 0.1;
2491 2518
2492Event->io ( 2519undef $Coro::AIO::WATCHER;
2520$AIO_POLL_WATCHER = Event->io (
2521 reentrant => 0,
2493 fd => IO::AIO::poll_fileno, 2522 fd => IO::AIO::poll_fileno,
2494 poll => 'r', 2523 poll => 'r',
2495 prio => 5, 2524 prio => 6,
2496 data => WF_AUTOCANCEL, 2525 data => WF_AUTOCANCEL,
2497 cb => \&IO::AIO::poll_cb, 2526 cb => \&IO::AIO::poll_cb,
2498); 2527);
2499 2528
2500Event->timer ( 2529$WRITE_RUNTIME_WATCHER = Event->timer (
2530 reentrant => 0,
2501 data => WF_AUTOCANCEL, 2531 data => WF_AUTOCANCEL,
2502 after => 0, 2532 after => 1,
2503 interval => 10, 2533 interval => 10,
2504 cb => sub { 2534 prio => 6, # keep it lowest so it acts like a watchdog
2505 (Coro::unblock_sub { 2535 cb => Coro::unblock_sub {
2506 write_runtime 2536 write_runtime
2507 or warn "ERROR: unable to write runtime file: $!"; 2537 or warn "ERROR: unable to write runtime file: $!";
2508 })->();
2509 }, 2538 },
2510); 2539);
2511 2540
2512END { cf::emergency_save } 2541END { cf::emergency_save }
2513 2542

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