… | |
… | |
26 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
26 | use 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 | $Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority |
32 | |
32 | |
33 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
33 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
34 | |
34 | |
35 | our %COMMAND = (); |
35 | our %COMMAND = (); |
36 | our %COMMAND_TIME = (); |
36 | our %COMMAND_TIME = (); |
… | |
… | |
179 | sub to_json($) { |
179 | sub to_json($) { |
180 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
180 | $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs |
181 | JSON::Syck::Dump $_[0] |
181 | JSON::Syck::Dump $_[0] |
182 | } |
182 | } |
183 | |
183 | |
184 | =item my $guard = cf::guard { BLOCK } |
|
|
185 | |
|
|
186 | Run the given callback when the guard object gets destroyed (useful for |
|
|
187 | coroutine cancellations). |
|
|
188 | |
|
|
189 | You can call C<< ->cancel >> on the guard object to stop the block from |
|
|
190 | being executed. |
|
|
191 | |
|
|
192 | =cut |
|
|
193 | |
|
|
194 | sub guard(&) { |
|
|
195 | bless \(my $cb = $_[0]), cf::guard::; |
|
|
196 | } |
|
|
197 | |
|
|
198 | sub cf::guard::cancel { |
|
|
199 | ${$_[0]} = sub { }; |
|
|
200 | } |
|
|
201 | |
|
|
202 | sub cf::guard::DESTROY { |
|
|
203 | ${$_[0]}->(); |
|
|
204 | } |
|
|
205 | |
|
|
206 | =item cf::lock_wait $string |
184 | =item cf::lock_wait $string |
207 | |
185 | |
208 | Wait until the given lock is available. See cf::lock_acquire. |
186 | Wait until the given lock is available. See cf::lock_acquire. |
209 | |
187 | |
210 | =item my $lock = cf::lock_acquire $string |
188 | =item my $lock = cf::lock_acquire $string |
211 | |
189 | |
212 | Wait until the given lock is available and then acquires it and returns |
190 | Wait until the given lock is available and then acquires it and returns |
213 | a guard object. If the guard object gets destroyed (goes out of scope, |
191 | a Coro::guard object. If the guard object gets destroyed (goes out of scope, |
214 | for example when the coroutine gets canceled), the lock is automatically |
192 | for example when the coroutine gets canceled), the lock is automatically |
215 | returned. |
193 | returned. |
216 | |
194 | |
217 | Lock names should begin with a unique identifier (for example, cf::map::find |
195 | Lock names should begin with a unique identifier (for example, cf::map::find |
218 | uses map_find and cf::map::load uses map_load). |
196 | uses map_find and cf::map::load uses map_load). |
… | |
… | |
237 | # wait, to be sure we are not locked |
215 | # wait, to be sure we are not locked |
238 | lock_wait $key; |
216 | lock_wait $key; |
239 | |
217 | |
240 | $LOCK{$key} = []; |
218 | $LOCK{$key} = []; |
241 | |
219 | |
242 | cf::guard { |
220 | Coro::guard { |
243 | # wake up all waiters, to be on the safe side |
221 | # wake up all waiters, to be on the safe side |
244 | $_->ready for @{ delete $LOCK{$key} }; |
222 | $_->ready for @{ delete $LOCK{$key} }; |
245 | } |
223 | } |
246 | } |
224 | } |
247 | |
225 | |
248 | =item cf::async { BLOCK } |
|
|
249 | |
|
|
250 | Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the |
|
|
251 | error instead of exiting the server in case of a problem. |
|
|
252 | |
|
|
253 | =cut |
|
|
254 | |
|
|
255 | sub async(&) { |
|
|
256 | my ($cb) = @_; |
|
|
257 | |
|
|
258 | Coro::async { |
|
|
259 | eval { $cb->() }; |
|
|
260 | warn $@ if $@; |
|
|
261 | } |
|
|
262 | } |
|
|
263 | |
|
|
264 | sub freeze_mainloop { |
226 | sub freeze_mainloop { |
265 | return unless $TICK_WATCHER->is_active; |
227 | return unless $TICK_WATCHER->is_active; |
266 | |
228 | |
267 | my $guard = guard { $TICK_WATCHER->start }; |
229 | my $guard = Coro::guard { $TICK_WATCHER->start }; |
268 | $TICK_WATCHER->stop; |
230 | $TICK_WATCHER->stop; |
269 | $guard |
231 | $guard |
270 | } |
232 | } |
|
|
233 | |
|
|
234 | =item cf::async { BLOCK } |
|
|
235 | |
|
|
236 | Currently the same as Coro::async_pool, meaning you cannot use |
|
|
237 | C<on_destroy>, C<join> or other gimmicks on these coroutines. The only |
|
|
238 | thing you are allowed to do is call C<prio> on it. |
|
|
239 | |
|
|
240 | =cut |
|
|
241 | |
|
|
242 | BEGIN { *async = \&Coro::async_pool } |
271 | |
243 | |
272 | =item cf::sync_job { BLOCK } |
244 | =item cf::sync_job { BLOCK } |
273 | |
245 | |
274 | The design of crossfire+ requires that the main coro ($Coro::main) is |
246 | The design of crossfire+ requires that the main coro ($Coro::main) is |
275 | always able to handle events or runnable, as crossfire+ is only partly |
247 | always able to handle events or runnable, as crossfire+ is only partly |
… | |
… | |
294 | my $freeze_guard = freeze_mainloop; |
266 | my $freeze_guard = freeze_mainloop; |
295 | |
267 | |
296 | my $busy = 1; |
268 | my $busy = 1; |
297 | my @res; |
269 | my @res; |
298 | |
270 | |
299 | (Coro::async { |
271 | (async { |
300 | @res = eval { $job->() }; |
272 | @res = eval { $job->() }; |
301 | warn $@ if $@; |
273 | warn $@ if $@; |
302 | undef $busy; |
274 | undef $busy; |
303 | })->prio (Coro::PRIO_MAX); |
275 | })->prio (Coro::PRIO_MAX); |
304 | |
276 | |
305 | while ($busy) { |
277 | while ($busy) { |
306 | Coro::cede_notself; |
278 | unless (Coro::cede) { |
307 | Event::one_event unless Coro::nready; |
279 | Coro::nready ? Event::one_event 0 : Event::one_event; |
|
|
280 | Coro::cede_notself unless Coro::cede; |
|
|
281 | } |
308 | } |
282 | } |
309 | |
283 | |
310 | wantarray ? @res : $res[0] |
284 | wantarray ? @res : $res[0] |
311 | } else { |
285 | } else { |
312 | # we are in another coroutine, how wonderful, everything just works |
286 | # we are in another coroutine, how wonderful, everything just works |
313 | |
287 | |
314 | $job->() |
288 | $job->() |
315 | } |
289 | } |
316 | } |
290 | } |
317 | |
291 | |
318 | =item $coro = cf::coro { BLOCK } |
292 | =item $coro = cf::async_ext { BLOCK } |
319 | |
293 | |
320 | Creates and returns a new coro. This coro is automcatially being canceled |
294 | Like async, but this coro is automcatially being canceled when the |
321 | when the extension calling this is being unloaded. |
295 | extension calling this is being unloaded. |
322 | |
296 | |
323 | =cut |
297 | =cut |
324 | |
298 | |
325 | sub coro(&) { |
299 | sub async_ext(&) { |
326 | my $cb = shift; |
300 | my $cb = shift; |
327 | |
301 | |
328 | my $coro = &cf::async ($cb); |
302 | my $coro = &Coro::async ($cb); |
329 | |
303 | |
330 | $coro->on_destroy (sub { |
304 | $coro->on_destroy (sub { |
331 | delete $EXT_CORO{$coro+0}; |
305 | delete $EXT_CORO{$coro+0}; |
332 | }); |
306 | }); |
333 | $EXT_CORO{$coro+0} = $coro; |
307 | $EXT_CORO{$coro+0} = $coro; |
… | |
… | |
1184 | or return; |
1158 | or return; |
1185 | |
1159 | |
1186 | my $map = cf::map::new |
1160 | my $map = cf::map::new |
1187 | or return; |
1161 | or return; |
1188 | |
1162 | |
|
|
1163 | # for better error messages only, will be overwritten |
|
|
1164 | $map->path ($path); |
|
|
1165 | |
1189 | $map->load_header ($path) |
1166 | $map->load_header ($path) |
1190 | or return; |
1167 | or return; |
1191 | |
1168 | |
1192 | $map->{load_path} = $path; |
1169 | $map->{load_path} = $path; |
1193 | |
1170 | |
… | |
… | |
1208 | $cf::MAP{$key} || do { |
1185 | $cf::MAP{$key} || do { |
1209 | my $guard = cf::lock_acquire "map_find:$key"; |
1186 | my $guard = cf::lock_acquire "map_find:$key"; |
1210 | |
1187 | |
1211 | # do it the slow way |
1188 | # do it the slow way |
1212 | my $map = try_load_header $path->save_path; |
1189 | my $map = try_load_header $path->save_path; |
|
|
1190 | |
|
|
1191 | Coro::cede; |
1213 | |
1192 | |
1214 | if ($map) { |
1193 | if ($map) { |
1215 | $map->last_access ((delete $map->{last_access}) |
1194 | $map->last_access ((delete $map->{last_access}) |
1216 | || $cf::RUNTIME); #d# |
1195 | || $cf::RUNTIME); #d# |
1217 | # safety |
1196 | # safety |
… | |
… | |
1237 | |
1216 | |
1238 | $map->path ($key); |
1217 | $map->path ($key); |
1239 | $map->{path} = $path; |
1218 | $map->{path} = $path; |
1240 | $map->{last_save} = $cf::RUNTIME; |
1219 | $map->{last_save} = $cf::RUNTIME; |
1241 | |
1220 | |
|
|
1221 | Coro::cede; |
|
|
1222 | |
1242 | if ($map->should_reset) { |
1223 | if ($map->should_reset) { |
1243 | $map->reset; |
1224 | $map->reset; |
1244 | undef $guard; |
1225 | undef $guard; |
1245 | $map = find $path |
1226 | $map = find $path |
1246 | or return; |
1227 | or return; |
… | |
… | |
1272 | if (aio_open $uniq, O_RDONLY, 0) { |
1253 | if (aio_open $uniq, O_RDONLY, 0) { |
1273 | $self->clear_unique_items; |
1254 | $self->clear_unique_items; |
1274 | $self->load_objects ($uniq, 0); |
1255 | $self->load_objects ($uniq, 0); |
1275 | } |
1256 | } |
1276 | } |
1257 | } |
|
|
1258 | |
|
|
1259 | Coro::cede; |
1277 | |
1260 | |
1278 | # now do the right thing for maps |
1261 | # now do the right thing for maps |
1279 | $self->link_multipart_objects; |
1262 | $self->link_multipart_objects; |
1280 | |
1263 | |
1281 | if ($self->{path}->is_style_map) { |
1264 | if ($self->{path}->is_style_map) { |
… | |
… | |
1289 | $self->difficulty ($self->estimate_difficulty) |
1272 | $self->difficulty ($self->estimate_difficulty) |
1290 | unless $self->difficulty; |
1273 | unless $self->difficulty; |
1291 | $self->activate; |
1274 | $self->activate; |
1292 | } |
1275 | } |
1293 | |
1276 | |
|
|
1277 | Coro::cede; |
|
|
1278 | |
1294 | $self->in_memory (cf::MAP_IN_MEMORY); |
1279 | $self->in_memory (cf::MAP_IN_MEMORY); |
1295 | } |
1280 | } |
1296 | |
1281 | |
1297 | sub find_sync { |
1282 | sub find_sync { |
1298 | my ($path, $origin) = @_; |
1283 | my ($path, $origin) = @_; |
… | |
… | |
1306 | cf::sync_job { $map->load }; |
1291 | cf::sync_job { $map->load }; |
1307 | } |
1292 | } |
1308 | |
1293 | |
1309 | sub save { |
1294 | sub save { |
1310 | my ($self) = @_; |
1295 | my ($self) = @_; |
|
|
1296 | |
|
|
1297 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
1311 | |
1298 | |
1312 | $self->{last_save} = $cf::RUNTIME; |
1299 | $self->{last_save} = $cf::RUNTIME; |
1313 | |
1300 | |
1314 | return unless $self->dirty; |
1301 | return unless $self->dirty; |
1315 | |
1302 | |
… | |
… | |
1334 | my ($self) = @_; |
1321 | my ($self) = @_; |
1335 | |
1322 | |
1336 | # save first because save cedes |
1323 | # save first because save cedes |
1337 | $self->save; |
1324 | $self->save; |
1338 | |
1325 | |
|
|
1326 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
|
|
1327 | |
1339 | return if $self->players; |
1328 | return if $self->players; |
1340 | return if $self->in_memory != cf::MAP_IN_MEMORY; |
1329 | return if $self->in_memory != cf::MAP_IN_MEMORY; |
1341 | return if $self->{deny_save}; |
1330 | return if $self->{deny_save}; |
1342 | |
1331 | |
1343 | $self->clear; |
1332 | $self->clear; |
… | |
… | |
1384 | $self->save; |
1373 | $self->save; |
1385 | } |
1374 | } |
1386 | |
1375 | |
1387 | sub reset { |
1376 | sub reset { |
1388 | my ($self) = @_; |
1377 | my ($self) = @_; |
|
|
1378 | |
|
|
1379 | my $lock = cf::lock_acquire "map_data:" . $self->path; |
1389 | |
1380 | |
1390 | return if $self->players; |
1381 | return if $self->players; |
1391 | return if $self->{path}{user_rel};#d# |
1382 | return if $self->{path}{user_rel};#d# |
1392 | |
1383 | |
1393 | warn "resetting map ", $self->path;#d# |
1384 | warn "resetting map ", $self->path;#d# |
… | |
… | |
1559 | my ($pl) = @_; |
1550 | my ($pl) = @_; |
1560 | |
1551 | |
1561 | # try to abort aborted map switching on player login :) |
1552 | # try to abort aborted map switching on player login :) |
1562 | # should happen only on crashes |
1553 | # should happen only on crashes |
1563 | if ($pl->ob->{_link_pos}) { |
1554 | if ($pl->ob->{_link_pos}) { |
|
|
1555 | |
1564 | $pl->ob->enter_link; |
1556 | $pl->ob->enter_link; |
1565 | cf::async { |
1557 | (async { |
1566 | # we need this sleep as the login has a concurrent enter_exit running |
1558 | # we need this sleep as the login has a concurrent enter_exit running |
1567 | # and this sleep increases chances of the player not ending up in scorn |
1559 | # and this sleep increases chances of the player not ending up in scorn |
|
|
1560 | $pl->ob->reply (undef, |
|
|
1561 | "There was an internal problem at your last logout, " |
|
|
1562 | . "the server will try to bring you to your intended destination in a second.", |
|
|
1563 | cf::NDI_RED); |
1568 | Coro::Timer::sleep 1; |
1564 | Coro::Timer::sleep 1; |
1569 | $pl->ob->leave_link; |
1565 | $pl->ob->leave_link; |
1570 | }; |
1566 | })->prio (2); |
1571 | } |
1567 | } |
1572 | }, |
1568 | }, |
1573 | ); |
1569 | ); |
1574 | |
1570 | |
1575 | =item $player_object->goto_map ($path, $x, $y) |
1571 | =item $player_object->goto ($path, $x, $y) |
1576 | |
1572 | |
1577 | =cut |
1573 | =cut |
1578 | |
1574 | |
1579 | sub cf::object::player::goto_map { |
1575 | sub cf::object::player::goto { |
1580 | my ($self, $path, $x, $y) = @_; |
1576 | my ($self, $path, $x, $y) = @_; |
1581 | |
1577 | |
1582 | $self->enter_link; |
1578 | $self->enter_link; |
1583 | |
1579 | |
1584 | (cf::async { |
1580 | (async { |
1585 | $path = new cf::path $path; |
1581 | $path = new cf::path $path; |
1586 | |
1582 | |
1587 | my $map = cf::map::find $path->as_string; |
1583 | my $map = cf::map::find $path->as_string; |
1588 | $map = $map->customise_for ($self) if $map; |
1584 | $map = $map->customise_for ($self) if $map; |
1589 | |
1585 | |
… | |
… | |
1651 | |
1647 | |
1652 | return unless $self->type == cf::PLAYER; |
1648 | return unless $self->type == cf::PLAYER; |
1653 | |
1649 | |
1654 | $self->enter_link; |
1650 | $self->enter_link; |
1655 | |
1651 | |
1656 | (cf::async { |
1652 | (async { |
1657 | $self->deactivate_recursive; # just to be sure |
1653 | $self->deactivate_recursive; # just to be sure |
1658 | unless (eval { |
1654 | unless (eval { |
1659 | prepare_random_map $exit |
1655 | prepare_random_map $exit |
1660 | if $exit->slaying eq "/!"; |
1656 | if $exit->slaying eq "/!"; |
1661 | |
1657 | |
1662 | my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; |
1658 | my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; |
1663 | $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); |
1659 | $self->goto ($path, $exit->stats->hp, $exit->stats->sp); |
1664 | |
1660 | |
1665 | 1; |
1661 | 1; |
1666 | }) { |
1662 | }) { |
1667 | $self->message ("Something went wrong deep within the crossfire server. " |
1663 | $self->message ("Something went wrong deep within the crossfire server. " |
1668 | . "I'll try to bring you back to the map you were before. " |
1664 | . "I'll try to bring you back to the map you were before. " |
… | |
… | |
1742 | } |
1738 | } |
1743 | } |
1739 | } |
1744 | }, |
1740 | }, |
1745 | ); |
1741 | ); |
1746 | |
1742 | |
1747 | =item $client->coro (\&cb) |
1743 | =item $client->async (\&cb) |
1748 | |
1744 | |
1749 | Create a new coroutine, running the specified callback. The coroutine will |
1745 | Create a new coroutine, running the specified callback. The coroutine will |
1750 | be automatically cancelled when the client gets destroyed (e.g. on logout, |
1746 | be automatically cancelled when the client gets destroyed (e.g. on logout, |
1751 | or loss of connection). |
1747 | or loss of connection). |
1752 | |
1748 | |
1753 | =cut |
1749 | =cut |
1754 | |
1750 | |
1755 | sub cf::client::coro { |
1751 | sub cf::client::async { |
1756 | my ($self, $cb) = @_; |
1752 | my ($self, $cb) = @_; |
1757 | |
1753 | |
1758 | my $coro = &cf::async ($cb); |
1754 | my $coro = &Coro::async ($cb); |
1759 | |
1755 | |
1760 | $coro->on_destroy (sub { |
1756 | $coro->on_destroy (sub { |
1761 | delete $self->{_coro}{$coro+0}; |
1757 | delete $self->{_coro}{$coro+0}; |
1762 | }); |
1758 | }); |
1763 | |
1759 | |
… | |
… | |
2001 | local $/; |
1997 | local $/; |
2002 | *CFG = YAML::Syck::Load <$fh>; |
1998 | *CFG = YAML::Syck::Load <$fh>; |
2003 | |
1999 | |
2004 | $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; |
2000 | $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; |
2005 | |
2001 | |
|
|
2002 | $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; |
|
|
2003 | $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; |
|
|
2004 | |
2006 | if (exists $CFG{mlockall}) { |
2005 | if (exists $CFG{mlockall}) { |
2007 | eval { |
2006 | eval { |
2008 | $CFG{mlockall} ? &mlockall : &munlockall |
2007 | $CFG{mlockall} ? &mlockall : &munlockall |
2009 | and die "WARNING: m(un)lockall failed: $!\n"; |
2008 | and die "WARNING: m(un)lockall failed: $!\n"; |
2010 | }; |
2009 | }; |
… | |
… | |
2014 | |
2013 | |
2015 | sub main { |
2014 | sub main { |
2016 | # we must not ever block the main coroutine |
2015 | # we must not ever block the main coroutine |
2017 | local $Coro::idle = sub { |
2016 | local $Coro::idle = sub { |
2018 | Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# |
2017 | Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# |
2019 | (Coro::unblock_sub { |
|
|
2020 | Event::one_event; |
2018 | async { Event::one_event }; |
2021 | })->(); |
|
|
2022 | }; |
2019 | }; |
2023 | |
2020 | |
2024 | cfg_load; |
2021 | cfg_load; |
2025 | db_load; |
2022 | db_load; |
2026 | load_extensions; |
2023 | load_extensions; |