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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.189 by root, Sun Jan 21 21:28:27 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
… …
257} 259}
258 260
259sub freeze_mainloop { 261sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
261 263
262 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;
263 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
264 $guard 270 $guard
265} 271}
266 272
267=item cf::async { BLOCK } 273=item cf::async { BLOCK }
… …
338 344
339 $coro 345 $coro
340} 346}
341 347
342sub write_runtime { 348sub write_runtime {
343 return unless $TICK_WATCHER->is_active;
344
345 my $runtime = cf::localdir . "/runtime"; 349 my $runtime = cf::localdir . "/runtime";
346 350
347 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
348 or return; 352 or return;
349 353
354 my $value = $cf::RUNTIME + 90 + 10;
350 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
351 (aio_write $fh, 0, (length $value), $value, 0) <= 0 358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
352 and return; 359 and return;
353 360
354 aio_fsync $fh 361 aio_fsync $fh
355 and return; 362 and return;
… …
499our @CB_TYPE = (); # registry for type (cf-object class) based events 506our @CB_TYPE = (); # registry for type (cf-object class) based events
500our @CB_MAP = (); 507our @CB_MAP = ();
501 508
502my %attachment; 509my %attachment;
503 510
511sub cf::attachable::thawer_merge {
512 # simply override everything except _meta
513 local $_[0]{_meta};
514 %{$_[0]} = %{$_[1]};
515}
516
504sub _attach_cb($$$$) { 517sub _attach_cb($$$$) {
505 my ($registry, $event, $prio, $cb) = @_; 518 my ($registry, $event, $prio, $cb) = @_;
506 519
507 use sort 'stable'; 520 use sort 'stable';
508 521
… …
679# object support 692# object support
680 693
681sub reattach { 694sub reattach {
682 # basically do the same as instantiate, without calling instantiate 695 # basically do the same as instantiate, without calling instantiate
683 my ($obj) = @_; 696 my ($obj) = @_;
697
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684 699
685 my $registry = $obj->registry; 700 my $registry = $obj->registry;
686 701
687 @$registry = (); 702 @$registry = ();
688 703
… …
900 } or warn "$ext not loaded: $@"; 915 } or warn "$ext not loaded: $@";
901 } 916 }
902} 917}
903 918
904############################################################################# 919#############################################################################
905# load/save/clean perl data associated with a map
906
907*cf::mapsupport::on_clean = sub {
908 my ($map) = @_;
909
910 my $path = $map->tmpname;
911 defined $path or return;
912
913 unlink "$path.pst";
914};
915
916cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918#############################################################################
919 920
920=head2 CORE EXTENSIONS 921=head2 CORE EXTENSIONS
921 922
922Functions and methods that extend core crossfire objects. 923Functions and methods that extend core crossfire objects.
923 924
… …
959 960
960sub exists($) { 961sub exists($) {
961 my ($login) = @_; 962 my ($login) = @_;
962 963
963 $cf::PLAYER{$login} 964 $cf::PLAYER{$login}
964 or cf::sync_job { !aio_stat $login } 965 or cf::sync_job { !aio_stat path $login }
965} 966}
966 967
967sub find($) { 968sub find($) {
968 return $cf::PLAYER{$_[0]} || do { 969 return $cf::PLAYER{$_[0]} || do {
969 my $login = $_[0]; 970 my $login = $_[0];
… …
1077 for (@$files) { 1078 for (@$files) {
1078 utf8::decode $_; 1079 utf8::decode $_;
1079 next if /\.(?:pl|pst)$/; 1080 next if /\.(?:pl|pst)$/;
1080 next unless /^$PATH_SEP/o; 1081 next unless /^$PATH_SEP/o;
1081 1082
1083 s/\.map$//;
1082 push @paths, "~" . $pl->ob->name . "/" . $_; 1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1083 } 1085 }
1084 1086
1085 \@paths 1087 \@paths
1086} 1088}
… …
1114 1116
1115use Fcntl; 1117use Fcntl;
1116use Coro::AIO; 1118use Coro::AIO;
1117 1119
1118use overload 1120use overload
1119 '""' => \&as_string; 1121 '""' => \&as_string,
1122 fallback => 1;
1120 1123
1121our $MAX_RESET = 3600; 1124our $MAX_RESET = 3600;
1122our $DEFAULT_RESET = 3000; 1125our $DEFAULT_RESET = 3000;
1123 1126
1124sub generate_random_map { 1127sub generate_random_map {
1125 my ($self, $rmp) = @_; 1128 my ($self, $rmp) = @_;
1126
1127 # mit "rum" bekleckern, nicht 1129 # mit "rum" bekleckern, nicht
1128 $self->_create_random_map ( 1130 $self->_create_random_map (
1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1138 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139 (cf::region::find $rmp->{region}), $rmp->{custom} 1141 (cf::region::find $rmp->{region}), $rmp->{custom}
1140 ) 1142 )
1141} 1143}
1142 1144
1145=item cf::map->register ($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
1143sub register { 1153sub register {
1144 my (undef, $regex) = @_; 1154 my (undef, $regex, $prio) = @_;
1145 my $pkg = caller; 1155 my $pkg = caller;
1146 1156
1147 no strict; 1157 no strict;
1148 push @{"$pkg\::ISA"}, __PACKAGE__; 1158 push @{"$pkg\::ISA"}, __PACKAGE__;
1149 1159
1150 $EXT_MAP{$pkg} = qr<$regex>; 1160 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151} 1161}
1152 1162
1153# also paths starting with '/' 1163# also paths starting with '/'
1154$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1164$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}
1155 1177
1156sub normalise { 1178sub normalise {
1157 my ($path, $base) = @_; 1179 my ($path, $base) = @_;
1158 1180
1159 # map plan: 1181 # map plan:
… …
1190 1212
1191 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1213 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192 1214
1193 $path = normalise $path, $base; 1215 $path = normalise $path, $base;
1194 1216
1195 for my $pkg (keys %EXT_MAP) { 1217 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196 if ($path =~ $EXT_MAP{$pkg}) { 1218 if ($path =~ $EXT_MAP{$pkg}[1]) {
1197 my $self = bless cf::map::new, $pkg; 1219 my $self = bless cf::map::new, $pkg;
1198 $self->{path} = $path; $self->path ($path); 1220 $self->{path} = $path; $self->path ($path);
1199 $self->init; # pass $1 etc. 1221 $self->init; # pass $1 etc.
1200 return $self; 1222 return $self;
1201 } 1223 }
… …
1220# the displayed name, this is a one way mapping 1242# the displayed name, this is a one way mapping
1221sub visible_name { 1243sub visible_name {
1222 &as_string 1244 &as_string
1223} 1245}
1224 1246
1225# escape the /'s in the path
1226sub _escaped_path {
1227 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229 $path
1230}
1231
1232# the original (read-only) location 1247# the original (read-only) location
1233sub load_path { 1248sub load_path {
1234 my ($self) = @_; 1249 my ($self) = @_;
1235 1250
1236 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1251 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
… …
1238 1253
1239# the temporary/swap location 1254# the temporary/swap location
1240sub save_path { 1255sub save_path {
1241 my ($self) = @_; 1256 my ($self) = @_;
1242 1257
1258 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1243 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path 1259 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1244} 1260}
1245 1261
1246# the unique path, undef == no special unique path 1262# the unique path, undef == no special unique path
1247sub uniq_path { 1263sub uniq_path {
1248 my ($self) = @_; 1264 my ($self) = @_;
1249 1265
1266 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1250 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path 1267 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1251} 1268}
1252 1269
1253# and all this just because we cannot iterate over 1270# and all this just because we cannot iterate over
1254# all maps in C++... 1271# all maps in C++...
1255sub change_all_map_light { 1272sub change_all_map_light {
… …
1261 1278
1262sub unlink_save { 1279sub unlink_save {
1263 my ($self) = @_; 1280 my ($self) = @_;
1264 1281
1265 utf8::encode (my $save = $self->save_path); 1282 utf8::encode (my $save = $self->save_path);
1266 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save; 1283 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst"; 1284 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268} 1285}
1269 1286
1270sub load_header_from($) { 1287sub load_header_from($) {
1271 my ($self, $path) = @_; 1288 my ($self, $path) = @_;
1272 1289
… …
1280 $self->{load_path} = $path; 1297 $self->{load_path} = $path;
1281 1298
1282 1 1299 1
1283} 1300}
1284 1301
1285sub load_orig { 1302sub load_header_orig {
1286 my ($self) = @_; 1303 my ($self) = @_;
1287 1304
1288 $self->load_header_from ($self->load_path) 1305 $self->load_header_from ($self->load_path)
1289} 1306}
1290 1307
1291sub load_temp { 1308sub load_header_temp {
1292 my ($self) = @_; 1309 my ($self) = @_;
1293 1310
1294 $self->load_header_from ($self->save_path) 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 $self->instantiate;
1295} 1331}
1296 1332
1297sub load_header { 1333sub load_header {
1298 my ($self) = @_; 1334 my ($self) = @_;
1299 1335
1300 if ($self->load_temp) { 1336 if ($self->load_header_temp) {
1301 $self->last_access ((delete $self->{last_access}) 1337 $self->prepare_temp;
1302 || $cf::RUNTIME); #d#
1303 # safety
1304 $self->{instantiate_time} = $cf::RUNTIME
1305 if $self->{instantiate_time} > $cf::RUNTIME;
1306 } else { 1338 } else {
1307 $self->load_orig 1339 $self->load_header_orig
1308 or return; 1340 or return;
1309 1341 $self->prepare_orig;
1310 $self->{load_original} = 1;
1311 $self->{instantiate_time} = $cf::RUNTIME;
1312 $self->last_access ($cf::RUNTIME);
1313 $self->instantiate;
1314 } 1342 }
1315 1343
1316 1 1344 1
1317} 1345}
1318 1346
… …
1333 1361
1334 $map->load_header 1362 $map->load_header
1335 or return; 1363 or return;
1336 1364
1337 if ($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;
1338 $map->reset; 1368 $map->reset;
1339 undef $guard; 1369 undef $guard;
1340 $map = find $path 1370 $map = find $path
1341 or return; 1371 or return;
1342 } 1372 }
1343 1373
1344 $cf::MAP{$path} = $map 1374 $cf::MAP{$path} = $map
1345 } 1375 }
1346} 1376}
1347 1377
1378sub pre_load { }
1379sub post_load { }
1380
1348sub load { 1381sub load {
1349 my ($self) = @_; 1382 my ($self) = @_;
1350 1383
1351 my $path = $self->{path}; 1384 my $path = $self->{path};
1352 my $guard = cf::lock_acquire "map_load:$path"; 1385 my $guard = cf::lock_acquire "map_load:$path";
… …
1354 return if $self->in_memory != cf::MAP_SWAPPED; 1387 return if $self->in_memory != cf::MAP_SWAPPED;
1355 1388
1356 $self->in_memory (cf::MAP_LOADING); 1389 $self->in_memory (cf::MAP_LOADING);
1357 1390
1358 $self->alloc; 1391 $self->alloc;
1392
1393 $self->pre_load;
1394
1359 $self->_load_objects ($self->{load_path}, 1) 1395 $self->_load_objects ($self->{load_path}, 1)
1360 or return; 1396 or return;
1361 1397
1362 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1398 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1363 if delete $self->{load_original}; 1399 if delete $self->{load_original};
… …
1385 unless $self->difficulty; 1421 unless $self->difficulty;
1386 Coro::cede; 1422 Coro::cede;
1387 $self->activate; 1423 $self->activate;
1388 } 1424 }
1389 1425
1426 $self->post_load;
1427
1390 $self->in_memory (cf::MAP_IN_MEMORY); 1428 $self->in_memory (cf::MAP_IN_MEMORY);
1391} 1429}
1392 1430
1393sub customise_for { 1431sub customise_for {
1394 my ($self, $ob) = @_; 1432 my ($self, $ob) = @_;
… …
1434 1472
1435 cf::sync_job { $map->load }; 1473 cf::sync_job { $map->load };
1436} 1474}
1437 1475
1438our %MAP_PREFETCH; 1476our %MAP_PREFETCH;
1439our $MAP_PREFETCHER = Coro::async { 1477our $MAP_PREFETCHER = undef;
1440 while () {
1441 for my $path (keys %MAP_PREFETCH) {
1442 my $map = find $path
1443 or next;
1444 $map->load;
1445
1446 delete $MAP_PREFETCH{$path};
1447 }
1448 Coro::schedule;
1449 }
1450};
1451 1478
1452sub find_async { 1479sub find_async {
1453 my ($path, $origin) = @_; 1480 my ($path, $origin) = @_;
1454 1481
1455 $path = normalise $path, $origin && $origin->{path}; 1482 $path = normalise $path, $origin && $origin->{path};
1456 1483
1457 if (my $map = $cf::MAP{$path}) { 1484 if (my $map = $cf::MAP{$path}) {
1458 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1485 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459 } 1486 }
1460 1487
1461 $MAP_PREFETCH{$path} = 0; 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 };
1462 $MAP_PREFETCHER->ready; 1501 $MAP_PREFETCHER->prio (6);
1463 1502
1464 () 1503 ()
1465} 1504}
1466 1505
1467sub save { 1506sub save {
… …
1512 1551
1513sub reset_at { 1552sub reset_at {
1514 my ($self) = @_; 1553 my ($self) = @_;
1515 1554
1516 # TODO: safety, remove and allow resettable per-player maps 1555 # TODO: safety, remove and allow resettable per-player maps
1517 return 1e99 if $self->isa ("ext::map_per_player"); 1556 return 1e99 if $self->isa ("ext::map_per_player");#d#
1518 return 1e99 if $self->{deny_reset}; 1557 return 1e99 if $self->{deny_reset};
1519 1558
1520 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1559 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1560 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522 1561
… …
1527 my ($self) = @_; 1566 my ($self) = @_;
1528 1567
1529 $self->reset_at <= $cf::RUNTIME 1568 $self->reset_at <= $cf::RUNTIME
1530} 1569}
1531 1570
1532sub rename {
1533 my ($self, $new_path) = @_;
1534
1535 normalise $new_path;
1536
1537 $self->unlink_save;
1538
1539 delete $cf::MAP{$self->path};
1540 $self->{path} = $new_path; $self->path ($self->{path});
1541 $cf::MAP{$self->path} = $self;
1542
1543 $self->save;
1544}
1545
1546sub reset { 1571sub reset {
1547 my ($self) = @_; 1572 my ($self) = @_;
1548 1573
1549 my $lock = cf::lock_acquire "map_data:" . $self->path; 1574 my $lock = cf::lock_acquire "map_data:$self->{path}";
1550 1575
1551 return if $self->players; 1576 return if $self->players;
1552 return if $self->isa ("ext::map_per_player");#d# 1577 return if $self->isa ("ext::map_per_player");#d#
1553 1578
1554 warn "resetting map ", $self->path;#d# 1579 warn "resetting map ", $self->path;#d#
1555 1580
1556 delete $cf::MAP{$self->path}; 1581 delete $cf::MAP{$self->path};
1557 1582
1583 $self->in_memory (cf::MAP_SWAPPED);
1584 $self->clear;
1585
1558 $_->clear_links_to ($self) for values %cf::MAP; 1586 $_->clear_links_to ($self) for values %cf::MAP;
1559 1587
1560 $self->unlink_save; 1588 $self->unlink_save;
1561 $self->destroy; 1589 $self->destroy;
1562} 1590}
… …
1564my $nuke_counter = "aaaa"; 1592my $nuke_counter = "aaaa";
1565 1593
1566sub nuke { 1594sub nuke {
1567 my ($self) = @_; 1595 my ($self) = @_;
1568 1596
1597 delete $cf::MAP{$self->path};
1598
1599 $self->unlink_save;
1600
1601 bless $self, "cf::map";
1602 delete $self->{deny_reset};
1569 $self->{deny_save} = 1; 1603 $self->{deny_save} = 1;
1570 $self->reset_timeout (1); 1604 $self->reset_timeout (1);
1571 $self->rename ("{nuke}/" . ($nuke_counter++)); 1605 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606
1607 $cf::MAP{$self->path} = $self;
1608
1572 $self->reset; # polite request, might not happen 1609 $self->reset; # polite request, might not happen
1573} 1610}
1574 1611
1575=item cf::map::unique_maps 1612=item cf::map::unique_maps
1576 1613
… …
1588 for (@$files) { 1625 for (@$files) {
1589 utf8::decode $_; 1626 utf8::decode $_;
1590 next if /\.pst$/; 1627 next if /\.pst$/;
1591 next unless /^$PATH_SEP/o; 1628 next unless /^$PATH_SEP/o;
1592 1629
1630 s/\.map$//;
1593 push @paths, $_; 1631 push @paths, $_;
1594 } 1632 }
1595 1633
1596 \@paths 1634 \@paths
1597} 1635}
… …
1806 1844
1807sub parse_random_map_params { 1845sub parse_random_map_params {
1808 my ($spec) = @_; 1846 my ($spec) = @_;
1809 1847
1810 my $rmp = { # defaults 1848 my $rmp = { # defaults
1811 xsize => 10, 1849 xsize => (cf::rndm 15, 40),
1812 ysize => 10, 1850 ysize => (cf::rndm 15, 40),
1851 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1852 #layout => string,
1813 }; 1853 };
1814 1854
1815 for (split /\n/, $spec) { 1855 for (split /\n/, $spec) {
1816 my ($k, $v) = split /\s+/, $_, 2; 1856 my ($k, $v) = split /\s+/, $_, 2;
1817 1857
… …
1821 $rmp 1861 $rmp
1822} 1862}
1823 1863
1824sub prepare_random_map { 1864sub prepare_random_map {
1825 my ($exit) = @_; 1865 my ($exit) = @_;
1866
1867 my $guard = cf::lock_acquire "exit_prepare:$exit";
1826 1868
1827 # all this does is basically replace the /! path by 1869 # all this does is basically replace the /! path by
1828 # a new random map path (?random/...) with a seed 1870 # a new random map path (?random/...) with a seed
1829 # that depends on the exit object 1871 # that depends on the exit object
1830 1872
… …
1839 1881
1840 $rmp->{random_seed} ||= $exit->random_seed; 1882 $rmp->{random_seed} ||= $exit->random_seed;
1841 1883
1842 my $data = cf::to_json $rmp; 1884 my $data = cf::to_json $rmp;
1843 my $md5 = Digest::MD5::md5_hex $data; 1885 my $md5 = Digest::MD5::md5_hex $data;
1886 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1844 1887
1845 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) {
1846 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;
1847 1892
1848 $exit->slaying ("?random/$md5"); 1893 $exit->slaying ("?random/$md5");
1849 $exit->msg (undef); 1894 $exit->msg (undef);
1850 } 1895 }
1851} 1896}
… …
2161 sub db_sync() { 2206 sub db_sync() {
2162 db_save if $dirty; 2207 db_save if $dirty;
2163 undef $dirty; 2208 undef $dirty;
2164 } 2209 }
2165 2210
2166 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2211 my $idle = Event->idle (
2167 db_sync; 2212 reentrant => 0,
2213 min => 10,
2214 max => 20,
2215 repeat => 0,
2216 data => WF_AUTOCANCEL,
2217 cb => \&db_sync,
2168 }); 2218 );
2169 2219
2170 sub db_dirty() { 2220 sub db_dirty() {
2171 $dirty = 1; 2221 $dirty = 1;
2172 $idle->start; 2222 $idle->start;
2173 } 2223 }
… …
2221 2271
2222sub main { 2272sub main {
2223 # we must not ever block the main coroutine 2273 # we must not ever block the main coroutine
2224 local $Coro::idle = sub { 2274 local $Coro::idle = sub {
2225 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 {
2226 async { Event::one_event }; 2277 Event::one_event;
2278 })->prio (Coro::PRIO_MAX);
2227 }; 2279 };
2228 2280
2229 cfg_load; 2281 cfg_load;
2230 db_load; 2282 db_load;
2231 load_extensions; 2283 load_extensions;
2284
2285 $TICK_WATCHER->start;
2232 Event::loop; 2286 Event::loop;
2233} 2287}
2234 2288
2235############################################################################# 2289#############################################################################
2236# initialisation and cleanup 2290# initialisation and cleanup
2237 2291
2238# install some emergency cleanup handlers 2292# install some emergency cleanup handlers
2239BEGIN { 2293BEGIN {
2240 for my $signal (qw(INT HUP TERM)) { 2294 for my $signal (qw(INT HUP TERM)) {
2241 Event->signal ( 2295 Event->signal (
2296 reentrant => 0,
2242 data => WF_AUTOCANCEL, 2297 data => WF_AUTOCANCEL,
2243 signal => $signal, 2298 signal => $signal,
2244 cb => sub { 2299 cb => sub {
2245 cf::cleanup "SIG$signal"; 2300 cf::cleanup "SIG$signal";
2246 }, 2301 },
2247 ); 2302 );
2248 } 2303 }
2249} 2304}
… …
2254 warn "enter emergency perl save\n"; 2309 warn "enter emergency perl save\n";
2255 2310
2256 cf::sync_job { 2311 cf::sync_job {
2257 # use a peculiar iteration method to avoid tripping on perl 2312 # use a peculiar iteration method to avoid tripping on perl
2258 # refcount bugs in for. also avoids problems with players 2313 # refcount bugs in for. also avoids problems with players
2259 # and maps saved/Destroyed asynchronously. 2314 # and maps saved/destroyed asynchronously.
2260 warn "begin emergency player save\n"; 2315 warn "begin emergency player save\n";
2261 for my $login (keys %cf::PLAYER) { 2316 for my $login (keys %cf::PLAYER) {
2262 my $pl = $cf::PLAYER{$login} or next; 2317 my $pl = $cf::PLAYER{$login} or next;
2263 $pl->valid or next; 2318 $pl->valid or next;
2264 $pl->save; 2319 $pl->save;
… …
2278} 2333}
2279 2334
2280sub reload() { 2335sub reload() {
2281 # can/must only be called in main 2336 # can/must only be called in main
2282 if ($Coro::current != $Coro::main) { 2337 if ($Coro::current != $Coro::main) {
2283 warn "can only reload from main coroutine\n"; 2338 warn "can only reload from main coroutine";
2284 return; 2339 return;
2285 } 2340 }
2286 2341
2287 warn "reloading..."; 2342 warn "reloading...";
2288 2343
2289 warn "freezing server"; 2344 warn "cancelling server ticker";
2290 my $guard = freeze_mainloop; 2345 $TICK_WATCHER->cancel;
2346
2291 cf::emergency_save; 2347 cf::emergency_save;
2292
2293 warn "sync database to disk";
2294 cf::db_sync;
2295 IO::AIO::flush;
2296 2348
2297 eval { 2349 eval {
2298 # if anything goes wrong in here, we should simply crash as we already saved 2350 # if anything goes wrong in here, we should simply crash as we already saved
2299 2351
2352 warn "syncing database to disk";
2353 cf::db_sync;
2354
2300 warn "cancel all watchers"; 2355 warn "cancelling all WF_AUTOCANCEL watchers";
2301 for (Event::all_watchers) { 2356 for (Event::all_watchers) {
2302 $_->cancel if $_->data & WF_AUTOCANCEL; 2357 $_->cancel if $_->data & WF_AUTOCANCEL;
2303 } 2358 }
2304 2359
2360 warn "flushing outstanding aio requests";
2361 for (;;) {
2362 IO::AIO::flush;
2363 Coro::cede;
2364 last unless IO::AIO::nreqs;
2365 warn "iterate...";
2366 }
2367
2305 warn "cancel all extension coros"; 2368 warn "cancelling all extension coros";
2306 $_->cancel for values %EXT_CORO; 2369 $_->cancel for values %EXT_CORO;
2307 %EXT_CORO = (); 2370 %EXT_CORO = ();
2308 2371
2309 warn "remove commands"; 2372 warn "removing commands";
2310 %COMMAND = (); 2373 %COMMAND = ();
2311 2374
2312 warn "remove ext commands"; 2375 warn "removing ext commands";
2313 %EXTCMD = (); 2376 %EXTCMD = ();
2314 2377
2315 warn "unload/nuke all extensions"; 2378 warn "unloading/nuking all extensions";
2316 for my $pkg (@EXTS) { 2379 for my $pkg (@EXTS) {
2317 warn "... unloading $pkg"; 2380 warn "... unloading $pkg";
2318 2381
2319 if (my $cb = $pkg->can ("unload")) { 2382 if (my $cb = $pkg->can ("unload")) {
2320 eval { 2383 eval {
… …
2325 2388
2326 warn "... nuking $pkg"; 2389 warn "... nuking $pkg";
2327 Symbol::delete_package $pkg; 2390 Symbol::delete_package $pkg;
2328 } 2391 }
2329 2392
2330 warn "unload all perl modules loaded from $LIBDIR"; 2393 warn "unloading all perl modules loaded from $LIBDIR";
2331 while (my ($k, $v) = each %INC) { 2394 while (my ($k, $v) = each %INC) {
2332 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2395 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333 2396
2334 warn "removing <$k>"; 2397 warn "... unloading $k";
2335 delete $INC{$k}; 2398 delete $INC{$k};
2336 2399
2337 $k =~ s/\.pm$//; 2400 $k =~ s/\.pm$//;
2338 $k =~ s/\//::/g; 2401 $k =~ s/\//::/g;
2339 2402
… …
2342 } 2405 }
2343 2406
2344 Symbol::delete_package $k; 2407 Symbol::delete_package $k;
2345 } 2408 }
2346 2409
2347 warn "get rid of safe::, as good as possible"; 2410 warn "getting rid of safe::, as good as possible";
2348 Symbol::delete_package "safe::$_" 2411 Symbol::delete_package "safe::$_"
2349 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2412 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350 2413
2351 warn "unload cf.pm \"a bit\""; 2414 warn "unloading cf.pm \"a bit\"";
2352 delete $INC{"cf.pm"}; 2415 delete $INC{"cf.pm"};
2353 2416
2354 # don't, removes xs symbols, too, 2417 # don't, removes xs symbols, too,
2355 # and global variables created in xs 2418 # and global variables created in xs
2356 #Symbol::delete_package __PACKAGE__; 2419 #Symbol::delete_package __PACKAGE__;
2357 2420
2421 warn "unload completed, starting to reload now";
2422
2358 warn "reloading cf.pm"; 2423 warn "reloading cf.pm";
2359 require cf; 2424 require cf;
2360 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2425 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2361 2426
2362 warn "load config and database again"; 2427 warn "loading config and database again";
2363 cf::cfg_load; 2428 cf::cfg_load;
2364 cf::db_load; 2429 cf::db_load;
2365 2430
2366 warn "load extensions"; 2431 warn "loading extensions";
2367 cf::load_extensions; 2432 cf::load_extensions;
2368 2433
2369 warn "reattach attachments to objects/players"; 2434 warn "reattaching attachments to objects/players";
2370 _global_reattach; 2435 _global_reattach;
2371 warn "reattach attachments to maps"; 2436 warn "reattaching attachments to maps";
2372 reattach $_ for values %MAP; 2437 reattach $_ for values %MAP;
2438
2439 warn "restarting server ticker";
2440
2441 $TICK_WATCHER->start;
2373 }; 2442 };
2374 2443
2375 if ($@) { 2444 if ($@) {
2376 warn $@; 2445 warn $@;
2377 warn "error while reloading, exiting."; 2446 warn "error while reloading, exiting.";
… …
2379 } 2448 }
2380 2449
2381 warn "reloaded"; 2450 warn "reloaded";
2382}; 2451};
2383 2452
2453our $RELOAD_WATCHER; # used only during reload
2454
2384register_command "reload" => sub { 2455register_command "reload" => sub {
2385 my ($who, $arg) = @_; 2456 my ($who, $arg) = @_;
2386 2457
2387 if ($who->flag (FLAG_WIZ)) { 2458 if ($who->flag (FLAG_WIZ)) {
2388 $who->message ("start of reload."); 2459 $who->message ("reloading server.");
2460
2461 # doing reload synchronously and two reloads happen back-to-back,
2462 # coro crashes during coro_state_free->destroy here.
2463
2464 $RELOAD_WATCHER ||= Event->timer (
2465 reentrant => 0,
2466 after => 0,
2467 data => WF_AUTOCANCEL,
2468 cb => sub {
2389 reload; 2469 reload;
2390 $who->message ("end of reload."); 2470 undef $RELOAD_WATCHER;
2471 },
2472 );
2391 } 2473 }
2392}; 2474};
2393 2475
2394unshift @INC, $LIBDIR; 2476unshift @INC, $LIBDIR;
2477
2478my $bug_warning = 0;
2395 2479
2396$TICK_WATCHER = Event->timer ( 2480$TICK_WATCHER = Event->timer (
2397 reentrant => 0, 2481 reentrant => 0,
2482 parked => 1,
2398 prio => 0, 2483 prio => 0,
2399 at => $NEXT_TICK || $TICK, 2484 at => $NEXT_TICK || $TICK,
2400 data => WF_AUTOCANCEL, 2485 data => WF_AUTOCANCEL,
2401 cb => sub { 2486 cb => sub {
2487 if ($Coro::current != $Coro::main) {
2488 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2489 unless ++$bug_warning > 10;
2490 return;
2491 }
2492
2402 $NOW = Event::time; 2493 $NOW = Event::time;
2403 2494
2404 cf::server_tick; # one server iteration 2495 cf::server_tick; # one server iteration
2405 $RUNTIME += $TICK; 2496 $RUNTIME += $TICK;
2406 $NEXT_TICK += $TICK; 2497 $NEXT_TICK += $TICK;
… …
2416 }, 2507 },
2417); 2508);
2418 2509
2419IO::AIO::max_poll_time $TICK * 0.2; 2510IO::AIO::max_poll_time $TICK * 0.2;
2420 2511
2421Event->io ( 2512undef $Coro::AIO::WATCHER;
2513$AIO_POLL_WATCHER = Event->io (
2514 reentrant => 0,
2422 fd => IO::AIO::poll_fileno, 2515 fd => IO::AIO::poll_fileno,
2423 poll => 'r', 2516 poll => 'r',
2424 prio => 5, 2517 prio => 6,
2425 data => WF_AUTOCANCEL, 2518 data => WF_AUTOCANCEL,
2426 cb => \&IO::AIO::poll_cb, 2519 cb => \&IO::AIO::poll_cb,
2427); 2520);
2428 2521
2429Event->timer ( 2522$WRITE_RUNTIME_WATCHER = Event->timer (
2523 reentrant => 0,
2430 data => WF_AUTOCANCEL, 2524 data => WF_AUTOCANCEL,
2431 after => 0, 2525 after => 1,
2432 interval => 10, 2526 interval => 10,
2433 cb => sub { 2527 prio => 6, # keep it lowest so it acts like a watchdog
2434 (Coro::unblock_sub { 2528 cb => Coro::unblock_sub {
2435 write_runtime 2529 write_runtime
2436 or warn "ERROR: unable to write runtime file: $!"; 2530 or warn "ERROR: unable to write runtime file: $!";
2437 })->();
2438 }, 2531 },
2439); 2532);
2440 2533
2441END { cf::emergency_save } 2534END { cf::emergency_save }
2442 2535

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