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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.120 by root, Tue Jan 2 11:08:36 2007 UTC vs.
Revision 1.139 by root, Fri Jan 5 19:12:03 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 3.3 ();
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;
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 26use Event; $Event::Eval = 1; # no idea why this is required, but it is
27 27
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 29$YAML::Syck::ImplicitUnicode = 1;
30 30
31$Coro::main->prio (2); # run main coroutine ("the server") with very high priority 31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 34
35our %COMMAND = (); 35our %COMMAND = ();
36our %COMMAND_TIME = (); 36our %COMMAND_TIME = ();
49our $UPTIME; $UPTIME ||= time; 49our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 50our $RUNTIME;
51 51
52our %MAP; # all maps 52our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 53our $LINK_MAP; # the special {link} map
54our $FREEZE;
55our $RANDOM_MAPS = cf::localdir . "/random"; 54our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; 55our %EXT_CORO;
57 56
58binmode STDOUT; 57binmode STDOUT;
59binmode STDERR; 58binmode STDERR;
71mkdir cf::localdir . "/" . cf::uniquedir; 70mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 71mkdir $RANDOM_MAPS;
73 72
74# a special map that is always available 73# a special map that is always available
75our $LINK_MAP; 74our $LINK_MAP;
76 75our $EMERGENCY_POSITION;
77our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78 76
79############################################################################# 77#############################################################################
80 78
81=head2 GLOBAL VARIABLES 79=head2 GLOBAL VARIABLES
82 80
181sub to_json($) { 179sub to_json($) {
182 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 180 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183 JSON::Syck::Dump $_[0] 181 JSON::Syck::Dump $_[0]
184} 182}
185 183
186=item my $guard = cf::guard { BLOCK }
187
188Run the given callback when the guard object gets destroyed (useful for
189coroutine cancellations).
190
191You can call C<< ->cancel >> on the guard object to stop the block from
192being executed.
193
194=cut
195
196sub guard(&) {
197 bless \(my $cb = $_[0]), cf::guard::;
198}
199
200sub cf::guard::cancel {
201 ${$_[0]} = sub { };
202}
203
204sub cf::guard::DESTROY {
205 ${$_[0]}->();
206}
207
208=item cf::lock_wait $string 184=item cf::lock_wait $string
209 185
210Wait until the given lock is available. See cf::lock_acquire. 186Wait until the given lock is available. See cf::lock_acquire.
211 187
212=item my $lock = cf::lock_acquire $string 188=item my $lock = cf::lock_acquire $string
213 189
214Wait until the given lock is available and then acquires it and returns 190Wait until the given lock is available and then acquires it and returns
215a guard object. If the guard object gets destroyed (goes out of scope, 191a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216for example when the coroutine gets canceled), the lock is automatically 192for example when the coroutine gets canceled), the lock is automatically
217returned. 193returned.
218 194
219Lock names should begin with a unique identifier (for example, find_map 195Lock names should begin with a unique identifier (for example, cf::map::find
220uses map_find and load_map uses map_load). 196uses map_find and cf::map::load uses map_load).
221 197
222=cut 198=cut
223 199
224our %LOCK; 200our %LOCK;
225 201
239 # wait, to be sure we are not locked 215 # wait, to be sure we are not locked
240 lock_wait $key; 216 lock_wait $key;
241 217
242 $LOCK{$key} = []; 218 $LOCK{$key} = [];
243 219
244 cf::guard { 220 Coro::guard {
245 # wake up all waiters, to be on the safe side 221 # wake up all waiters, to be on the safe side
246 $_->ready for @{ delete $LOCK{$key} }; 222 $_->ready for @{ delete $LOCK{$key} };
247 } 223 }
224}
225
226sub freeze_mainloop {
227 return unless $TICK_WATCHER->is_active;
228
229 my $guard = Coro::guard { $TICK_WATCHER->start };
230 $TICK_WATCHER->stop;
231 $guard
248} 232}
249 233
250=item cf::sync_job { BLOCK } 234=item cf::sync_job { BLOCK }
251 235
252The design of crossfire+ requires that the main coro ($Coro::main) is 236The design of crossfire+ requires that the main coro ($Coro::main) is
267 # this is the main coro, too bad, we have to block 251 # this is the main coro, too bad, we have to block
268 # till the operation succeeds, freezing the server :/ 252 # till the operation succeeds, freezing the server :/
269 253
270 # TODO: use suspend/resume instead 254 # TODO: use suspend/resume instead
271 # (but this is cancel-safe) 255 # (but this is cancel-safe)
272 local $FREEZE = 1; 256 my $freeze_guard = freeze_mainloop;
273 257
274 my $busy = 1; 258 my $busy = 1;
275 my @res; 259 my @res;
276 260
277 (Coro::async { 261 (Coro::async_pool {
278 @res = eval { $job->() }; 262 @res = eval { $job->() };
279 warn $@ if $@; 263 warn $@ if $@;
280 undef $busy; 264 undef $busy;
281 })->prio (Coro::PRIO_MAX); 265 })->prio (Coro::PRIO_MAX);
282 266
283 while ($busy) { 267 while ($busy) {
284 Coro::cede_notself; 268 unless (Coro::cede) {
285 Event::one_event unless Coro::nready; 269 Coro::nready ? Event::one_event 0 : Event::one_event;
270 Coro::cede_notself unless Coro::cede;
271 }
286 } 272 }
287 273
288 wantarray ? @res : $res[0] 274 wantarray ? @res : $res[0]
289 } else { 275 } else {
290 # we are in another coroutine, how wonderful, everything just works 276 # we are in another coroutine, how wonderful, everything just works
293 } 279 }
294} 280}
295 281
296=item $coro = cf::coro { BLOCK } 282=item $coro = cf::coro { BLOCK }
297 283
298Creates and returns a new coro. This coro is automcatially being canceled 284Creates (and readies) and returns a new coro. This coro is automcatially
299when the extension calling this is being unloaded. 285being canceled when the extension calling this is being unloaded.
300 286
301=cut 287=cut
302 288
303sub coro(&) { 289sub coro(&) {
304 my $cb = shift; 290 my $cb = shift;
305 291
306 my $coro; $coro = async { 292 my $coro = &Coro::async_pool ($cb);
307 eval {
308 $cb->();
309 };
310 warn $@ if $@;
311 };
312 293
313 $coro->on_destroy (sub { 294 $coro->on_destroy (sub {
314 delete $EXT_CORO{$coro+0}; 295 delete $EXT_CORO{$coro+0};
315 }); 296 });
316 $EXT_CORO{$coro+0} = $coro; 297 $EXT_CORO{$coro+0} = $coro;
1126package cf::map; 1107package cf::map;
1127 1108
1128use Fcntl; 1109use Fcntl;
1129use Coro::AIO; 1110use Coro::AIO;
1130 1111
1131our $MAX_RESET = 7200; 1112our $MAX_RESET = 3600;
1132our $DEFAULT_RESET = 3600; 1113our $DEFAULT_RESET = 3000;
1133 1114
1134sub generate_random_map { 1115sub generate_random_map {
1135 my ($path, $rmp) = @_; 1116 my ($path, $rmp) = @_;
1136 1117
1137 # mit "rum" bekleckern, nicht 1118 # mit "rum" bekleckern, nicht
1153# and all this just because we cannot iterate over 1134# and all this just because we cannot iterate over
1154# all maps in C++... 1135# all maps in C++...
1155sub change_all_map_light { 1136sub change_all_map_light {
1156 my ($change) = @_; 1137 my ($change) = @_;
1157 1138
1158 $_->change_map_light ($change) for values %cf::MAP; 1139 $_->change_map_light ($change)
1140 for grep $_->outdoor, values %cf::MAP;
1159} 1141}
1160 1142
1161sub try_load_header($) { 1143sub try_load_header($) {
1162 my ($path) = @_; 1144 my ($path) = @_;
1163 1145
1166 or return; 1148 or return;
1167 1149
1168 my $map = cf::map::new 1150 my $map = cf::map::new
1169 or return; 1151 or return;
1170 1152
1153 # for better error messages only, will be overwritten
1154 $map->path ($path);
1155
1171 $map->load_header ($path) 1156 $map->load_header ($path)
1172 or return; 1157 or return;
1173 1158
1174 $map->{load_path} = $path; 1159 $map->{load_path} = $path;
1175 1160
1176 $map 1161 $map
1177} 1162}
1178 1163
1164sub find;
1179sub find_map { 1165sub find {
1180 my ($path, $origin) = @_; 1166 my ($path, $origin) = @_;
1181 1167
1182 #warn "find_map<$path,$origin>\n";#d# 1168 #warn "find<$path,$origin>\n";#d#
1183 1169
1184 $path = new cf::path $path, $origin && $origin->path; 1170 $path = new cf::path $path, $origin && $origin->path;
1185 my $key = $path->as_string; 1171 my $key = $path->as_string;
1186 1172
1187 cf::lock_wait "map_find:$key"; 1173 cf::lock_wait "map_find:$key";
1190 my $guard = cf::lock_acquire "map_find:$key"; 1176 my $guard = cf::lock_acquire "map_find:$key";
1191 1177
1192 # do it the slow way 1178 # do it the slow way
1193 my $map = try_load_header $path->save_path; 1179 my $map = try_load_header $path->save_path;
1194 1180
1181 Coro::cede;
1182
1195 if ($map) { 1183 if ($map) {
1184 $map->last_access ((delete $map->{last_access})
1185 || $cf::RUNTIME); #d#
1196 # safety 1186 # safety
1197 $map->{instantiate_time} = $cf::RUNTIME 1187 $map->{instantiate_time} = $cf::RUNTIME
1198 if $map->{instantiate_time} > $cf::RUNTIME; 1188 if $map->{instantiate_time} > $cf::RUNTIME;
1199 } else { 1189 } else {
1200 if (my $rmp = $path->random_map_params) { 1190 if (my $rmp = $path->random_map_params) {
1205 1195
1206 $map or return; 1196 $map or return;
1207 1197
1208 $map->{load_original} = 1; 1198 $map->{load_original} = 1;
1209 $map->{instantiate_time} = $cf::RUNTIME; 1199 $map->{instantiate_time} = $cf::RUNTIME;
1200 $map->last_access ($cf::RUNTIME);
1210 $map->instantiate; 1201 $map->instantiate;
1211 1202
1212 # per-player maps become, after loading, normal maps 1203 # per-player maps become, after loading, normal maps
1213 $map->per_player (0) if $path->{user_rel}; 1204 $map->per_player (0) if $path->{user_rel};
1214 } 1205 }
1215 #Coro::Timer::sleep 1;#d#
1216 1206
1217 $map->path ($key); 1207 $map->path ($key);
1218 $map->{path} = $path; 1208 $map->{path} = $path;
1219 $map->{last_save} = $cf::RUNTIME; 1209 $map->{last_save} = $cf::RUNTIME;
1220 $map->last_access ($cf::RUNTIME); 1210
1211 Coro::cede;
1221 1212
1222 if ($map->should_reset) { 1213 if ($map->should_reset) {
1223 $map->reset; 1214 $map->reset;
1215 undef $guard;
1224 $map = find_map $path; 1216 $map = find $path
1217 or return;
1225 } 1218 }
1226 1219
1227 $cf::MAP{$key} = $map 1220 $cf::MAP{$key} = $map
1228 } 1221 }
1229} 1222}
1250 if (aio_open $uniq, O_RDONLY, 0) { 1243 if (aio_open $uniq, O_RDONLY, 0) {
1251 $self->clear_unique_items; 1244 $self->clear_unique_items;
1252 $self->load_objects ($uniq, 0); 1245 $self->load_objects ($uniq, 0);
1253 } 1246 }
1254 } 1247 }
1248
1249 Coro::cede;
1255 1250
1256 # now do the right thing for maps 1251 # now do the right thing for maps
1257 $self->link_multipart_objects; 1252 $self->link_multipart_objects;
1258 1253
1259 if ($self->{path}->is_style_map) { 1254 if ($self->{path}->is_style_map) {
1267 $self->difficulty ($self->estimate_difficulty) 1262 $self->difficulty ($self->estimate_difficulty)
1268 unless $self->difficulty; 1263 unless $self->difficulty;
1269 $self->activate; 1264 $self->activate;
1270 } 1265 }
1271 1266
1267 Coro::cede;
1268
1272 $self->in_memory (cf::MAP_IN_MEMORY); 1269 $self->in_memory (cf::MAP_IN_MEMORY);
1273} 1270}
1274 1271
1275sub load_map_sync { 1272sub find_sync {
1276 my ($path, $origin) = @_; 1273 my ($path, $origin) = @_;
1277 1274
1278 #warn "load_map_sync<$path, $origin>\n";#d#
1279
1280 cf::sync_job { 1275 cf::sync_job {
1281 my $map = cf::map::find_map $path, $origin 1276 my $map = cf::map::find $path, $origin;
1282 or return;
1283 $map->load;
1284 $map 1277 $map
1285 } 1278 }
1279}
1280
1281sub do_load_sync {
1282 my ($map) = @_;
1283
1284 cf::sync_job { $map->load };
1286} 1285}
1287 1286
1288sub save { 1287sub save {
1289 my ($self) = @_; 1288 my ($self) = @_;
1290 1289
1290 my $lock = cf::lock_acquire "map_data:" . $self->path;
1291
1291 $self->{last_save} = $cf::RUNTIME; 1292 $self->{last_save} = $cf::RUNTIME;
1292 1293
1293 return unless $self->dirty; 1294 return unless $self->dirty;
1294 1295
1295 my $save = $self->{path}->save_path; utf8::encode $save; 1296 my $save = $self->{path}->save_path; utf8::encode $save;
1296 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1297 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1297 1298
1298 $self->{load_path} = $save; 1299 $self->{load_path} = $save;
1299 1300
1300 return if $self->{deny_save}; 1301 return if $self->{deny_save};
1302
1303 local $self->{last_access} = $self->last_access;#d#
1301 1304
1302 if ($uniq) { 1305 if ($uniq) {
1303 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1306 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1304 $self->save_objects ($uniq, cf::IO_UNIQUES); 1307 $self->save_objects ($uniq, cf::IO_UNIQUES);
1305 } else { 1308 } else {
1308} 1311}
1309 1312
1310sub swap_out { 1313sub swap_out {
1311 my ($self) = @_; 1314 my ($self) = @_;
1312 1315
1316 # save first because save cedes
1317 $self->save;
1318
1319 my $lock = cf::lock_acquire "map_data:" . $self->path;
1320
1313 return if $self->players; 1321 return if $self->players;
1314 return if $self->in_memory != cf::MAP_IN_MEMORY; 1322 return if $self->in_memory != cf::MAP_IN_MEMORY;
1315 return if $self->{deny_save}; 1323 return if $self->{deny_save};
1316 1324
1317 $self->save;
1318 $self->clear; 1325 $self->clear;
1319 $self->in_memory (cf::MAP_SWAPPED); 1326 $self->in_memory (cf::MAP_SWAPPED);
1320} 1327}
1321 1328
1322sub reset_at { 1329sub reset_at {
1360} 1367}
1361 1368
1362sub reset { 1369sub reset {
1363 my ($self) = @_; 1370 my ($self) = @_;
1364 1371
1372 my $lock = cf::lock_acquire "map_data:" . $self->path;
1373
1365 return if $self->players; 1374 return if $self->players;
1366 return if $self->{path}{user_rel};#d# 1375 return if $self->{path}{user_rel};#d#
1367 1376
1368 warn "resetting map ", $self->path;#d# 1377 warn "resetting map ", $self->path;#d#
1369 1378
1388 1397
1389sub customise_for { 1398sub customise_for {
1390 my ($map, $ob) = @_; 1399 my ($map, $ob) = @_;
1391 1400
1392 if ($map->per_player) { 1401 if ($map->per_player) {
1393 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1402 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1394 } 1403 }
1395 1404
1396 $map 1405 $map
1397} 1406}
1398 1407
1399sub emergency_save { 1408sub emergency_save {
1400 local $cf::FREEZE = 1; 1409 my $freeze_guard = cf::freeze_mainloop;
1401 1410
1402 warn "enter emergency map save\n"; 1411 warn "enter emergency map save\n";
1403 1412
1404 cf::sync_job { 1413 cf::sync_job {
1405 warn "begin emergency map save\n"; 1414 warn "begin emergency map save\n";
1495 my $link_pos = delete $self->{_link_pos}; 1504 my $link_pos = delete $self->{_link_pos};
1496 1505
1497 unless ($map) { 1506 unless ($map) {
1498 # restore original map position 1507 # restore original map position
1499 ($map, $x, $y) = @{ $link_pos || [] }; 1508 ($map, $x, $y) = @{ $link_pos || [] };
1500 $map = cf::map::find_map $map; 1509 $map = cf::map::find $map;
1501 1510
1502 unless ($map) { 1511 unless ($map) {
1503 ($map, $x, $y) = @$EMERGENCY_POSITION; 1512 ($map, $x, $y) = @$EMERGENCY_POSITION;
1504 $map = cf::map::find_map $map 1513 $map = cf::map::find $map
1505 or die "FATAL: cannot load emergency map\n"; 1514 or die "FATAL: cannot load emergency map\n";
1506 } 1515 }
1507 } 1516 }
1508 1517
1509 ($x, $y) = (-1, -1) 1518 ($x, $y) = (-1, -1)
1534 my ($pl) = @_; 1543 my ($pl) = @_;
1535 1544
1536 # try to abort aborted map switching on player login :) 1545 # try to abort aborted map switching on player login :)
1537 # should happen only on crashes 1546 # should happen only on crashes
1538 if ($pl->ob->{_link_pos}) { 1547 if ($pl->ob->{_link_pos}) {
1548
1539 $pl->ob->enter_link; 1549 $pl->ob->enter_link;
1540 Coro::async { 1550 (Coro::async_pool {
1541 # we need this sleep as the login has a concurrent enter_exit running 1551 # we need this sleep as the login has a concurrent enter_exit running
1542 # and this sleep increases chances of the player not ending up in scorn 1552 # and this sleep increases chances of the player not ending up in scorn
1543 Coro::Timer::sleep 1; 1553 Coro::Timer::sleep 1;
1544 $pl->ob->leave_link; 1554 $pl->ob->leave_link;
1545 }; 1555 })->prio (2);
1546 } 1556 }
1547 }, 1557 },
1548); 1558);
1549 1559
1550=item $player_object->goto_map ($path, $x, $y) 1560=item $player_object->goto ($path, $x, $y)
1551 1561
1552=cut 1562=cut
1553 1563
1554sub cf::object::player::goto_map { 1564sub cf::object::player::goto {
1555 my ($self, $path, $x, $y) = @_; 1565 my ($self, $path, $x, $y) = @_;
1556 1566
1557 $self->enter_link; 1567 $self->enter_link;
1558 1568
1559 (Coro::async { 1569 (Coro::async_pool {
1560 $path = new cf::path $path; 1570 $path = new cf::path $path;
1561 1571
1562 my $map = cf::map::find_map $path->as_string; 1572 my $map = cf::map::find $path->as_string;
1563 $map = $map->customise_for ($self) if $map; 1573 $map = $map->customise_for ($self) if $map;
1564 1574
1565# warn "entering ", $map->path, " at ($x, $y)\n" 1575# warn "entering ", $map->path, " at ($x, $y)\n"
1566# if $map; 1576# if $map;
1567 1577
1626 1636
1627 return unless $self->type == cf::PLAYER; 1637 return unless $self->type == cf::PLAYER;
1628 1638
1629 $self->enter_link; 1639 $self->enter_link;
1630 1640
1631 (Coro::async { 1641 (Coro::async_pool {
1642 $self->deactivate_recursive; # just to be sure
1632 unless (eval { 1643 unless (eval {
1633
1634 prepare_random_map $exit 1644 prepare_random_map $exit
1635 if $exit->slaying eq "/!"; 1645 if $exit->slaying eq "/!";
1636 1646
1637 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1647 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1638 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1648 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1639 1649
1640 1; 1650 1;
1641 }) { 1651 }) {
1642 $self->message ("Something went wrong deep within the crossfire server. " 1652 $self->message ("Something went wrong deep within the crossfire server. "
1643 . "I'll try to bring you back to the map you were before. " 1653 . "I'll try to bring you back to the map you were before. "
1700 on_reply => sub { 1710 on_reply => sub {
1701 my ($ns, $msg) = @_; 1711 my ($ns, $msg) = @_;
1702 1712
1703 # this weird shuffling is so that direct followup queries 1713 # this weird shuffling is so that direct followup queries
1704 # get handled first 1714 # get handled first
1705 my $queue = delete $ns->{query_queue}; 1715 my $queue = delete $ns->{query_queue}
1716 or return; # be conservative, not sure how that can happen, but we saw a crash here
1706 1717
1707 (shift @$queue)->[1]->($msg); 1718 (shift @$queue)->[1]->($msg);
1708 1719
1709 push @{ $ns->{query_queue} }, @$queue; 1720 push @{ $ns->{query_queue} }, @$queue;
1710 1721
1727=cut 1738=cut
1728 1739
1729sub cf::client::coro { 1740sub cf::client::coro {
1730 my ($self, $cb) = @_; 1741 my ($self, $cb) = @_;
1731 1742
1732 my $coro; $coro = async { 1743 my $coro = &Coro::async_pool ($cb);
1733 eval {
1734 $cb->();
1735 };
1736 warn $@ if $@;
1737 };
1738 1744
1739 $coro->on_destroy (sub { 1745 $coro->on_destroy (sub {
1740 delete $self->{_coro}{$coro+0}; 1746 delete $self->{_coro}{$coro+0};
1741 }); 1747 });
1742 1748
1914 1920
1915{ 1921{
1916 my $path = cf::localdir . "/database.pst"; 1922 my $path = cf::localdir . "/database.pst";
1917 1923
1918 sub db_load() { 1924 sub db_load() {
1919 warn "loading database $path\n";#d# remove later
1920 $DB = stat $path ? Storable::retrieve $path : { }; 1925 $DB = stat $path ? Storable::retrieve $path : { };
1921 } 1926 }
1922 1927
1923 my $pid; 1928 my $pid;
1924 1929
1925 sub db_save() { 1930 sub db_save() {
1926 warn "saving database $path\n";#d# remove later
1927 waitpid $pid, 0 if $pid; 1931 waitpid $pid, 0 if $pid;
1928 if (0 == ($pid = fork)) { 1932 if (0 == ($pid = fork)) {
1929 $DB->{_meta}{version} = 1; 1933 $DB->{_meta}{version} = 1;
1930 Storable::nstore $DB, "$path~"; 1934 Storable::nstore $DB, "$path~";
1931 rename "$path~", $path; 1935 rename "$path~", $path;
1979 open my $fh, "<:utf8", cf::confdir . "/config" 1983 open my $fh, "<:utf8", cf::confdir . "/config"
1980 or return; 1984 or return;
1981 1985
1982 local $/; 1986 local $/;
1983 *CFG = YAML::Syck::Load <$fh>; 1987 *CFG = YAML::Syck::Load <$fh>;
1988
1989 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1990
1991 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
1992 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
1993
1994 if (exists $CFG{mlockall}) {
1995 eval {
1996 $CFG{mlockall} ? &mlockall : &munlockall
1997 and die "WARNING: m(un)lockall failed: $!\n";
1998 };
1999 warn $@ if $@;
2000 }
1984} 2001}
1985 2002
1986sub main { 2003sub main {
1987 # we must not ever block the main coroutine 2004 # we must not ever block the main coroutine
1988 local $Coro::idle = sub { 2005 local $Coro::idle = sub {
1989 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2006 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1990 (Coro::unblock_sub { 2007 Coro::async_pool { Event::one_event };
1991 Event::one_event;
1992 })->();
1993 }; 2008 };
1994 2009
1995 cfg_load; 2010 cfg_load;
1996 db_load; 2011 db_load;
1997 load_extensions; 2012 load_extensions;
2008 return; 2023 return;
2009 } 2024 }
2010 2025
2011 warn "reloading..."; 2026 warn "reloading...";
2012 2027
2013 local $FREEZE = 1; 2028 my $guard = freeze_mainloop;
2014 cf::emergency_save; 2029 cf::emergency_save;
2015 2030
2016 eval { 2031 eval {
2017 # if anything goes wrong in here, we should simply crash as we already saved 2032 # if anything goes wrong in here, we should simply crash as we already saved
2018 2033
2154 reentrant => 0, 2169 reentrant => 0,
2155 prio => 0, 2170 prio => 0,
2156 at => $NEXT_TICK || $TICK, 2171 at => $NEXT_TICK || $TICK,
2157 data => WF_AUTOCANCEL, 2172 data => WF_AUTOCANCEL,
2158 cb => sub { 2173 cb => sub {
2159 unless ($FREEZE) {
2160 cf::server_tick; # one server iteration 2174 cf::server_tick; # one server iteration
2161 $RUNTIME += $TICK; 2175 $RUNTIME += $TICK;
2162 }
2163
2164 $NEXT_TICK += $TICK; 2176 $NEXT_TICK += $TICK;
2165 2177
2166 # if we are delayed by four ticks or more, skip them all 2178 # if we are delayed by four ticks or more, skip them all
2167 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2179 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2168 2180
2191 or warn "ERROR: unable to write runtime file: $!"; 2203 or warn "ERROR: unable to write runtime file: $!";
2192 })->(); 2204 })->();
2193 }, 2205 },
2194); 2206);
2195 2207
2208END { cf::emergency_save }
2209
21961 22101
2197 2211

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