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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.134 by root, Thu Jan 4 17:28:49 2007 UTC vs.
Revision 1.139 by root, Fri Jan 5 19:12:03 2007 UTC

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$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 32
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 34
35our %COMMAND = (); 35our %COMMAND = ();
36our %COMMAND_TIME = (); 36our %COMMAND_TIME = ();
179sub to_json($) { 179sub 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
186Run the given callback when the guard object gets destroyed (useful for
187coroutine cancellations).
188
189You can call C<< ->cancel >> on the guard object to stop the block from
190being executed.
191
192=cut
193
194sub guard(&) {
195 bless \(my $cb = $_[0]), cf::guard::;
196}
197
198sub cf::guard::cancel {
199 ${$_[0]} = sub { };
200}
201
202sub cf::guard::DESTROY {
203 ${$_[0]}->();
204}
205
206=item cf::lock_wait $string 184=item cf::lock_wait $string
207 185
208Wait until the given lock is available. See cf::lock_acquire. 186Wait 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
212Wait 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
213a 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,
214for example when the coroutine gets canceled), the lock is automatically 192for example when the coroutine gets canceled), the lock is automatically
215returned. 193returned.
216 194
217Lock names should begin with a unique identifier (for example, cf::map::find 195Lock names should begin with a unique identifier (for example, cf::map::find
218uses map_find and cf::map::load uses map_load). 196uses 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
250Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
251error instead of exiting the server in case of a problem.
252
253=cut
254
255sub async(&) {
256 my ($cb) = @_;
257
258 Coro::async {
259 eval { $cb->() };
260 warn $@ if $@;
261 }
262}
263
264sub freeze_mainloop { 226sub 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}
271 233
272=item cf::sync_job { BLOCK } 234=item cf::sync_job { BLOCK }
294 my $freeze_guard = freeze_mainloop; 256 my $freeze_guard = freeze_mainloop;
295 257
296 my $busy = 1; 258 my $busy = 1;
297 my @res; 259 my @res;
298 260
299 (Coro::async { 261 (Coro::async_pool {
300 @res = eval { $job->() }; 262 @res = eval { $job->() };
301 warn $@ if $@; 263 warn $@ if $@;
302 undef $busy; 264 undef $busy;
303 })->prio (Coro::PRIO_MAX); 265 })->prio (Coro::PRIO_MAX);
304 266
305 while ($busy) { 267 while ($busy) {
306 Coro::cede_notself; 268 unless (Coro::cede) {
307 Event::one_event unless Coro::nready; 269 Coro::nready ? Event::one_event 0 : Event::one_event;
270 Coro::cede_notself unless Coro::cede;
271 }
308 } 272 }
309 273
310 wantarray ? @res : $res[0] 274 wantarray ? @res : $res[0]
311 } else { 275 } else {
312 # we are in another coroutine, how wonderful, everything just works 276 # we are in another coroutine, how wonderful, everything just works
315 } 279 }
316} 280}
317 281
318=item $coro = cf::coro { BLOCK } 282=item $coro = cf::coro { BLOCK }
319 283
320Creates and returns a new coro. This coro is automcatially being canceled 284Creates (and readies) and returns a new coro. This coro is automcatially
321when the extension calling this is being unloaded. 285being canceled when the extension calling this is being unloaded.
322 286
323=cut 287=cut
324 288
325sub coro(&) { 289sub coro(&) {
326 my $cb = shift; 290 my $cb = shift;
327 291
328 my $coro = &cf::async ($cb); 292 my $coro = &Coro::async_pool ($cb);
329 293
330 $coro->on_destroy (sub { 294 $coro->on_destroy (sub {
331 delete $EXT_CORO{$coro+0}; 295 delete $EXT_CORO{$coro+0};
332 }); 296 });
333 $EXT_CORO{$coro+0} = $coro; 297 $EXT_CORO{$coro+0} = $coro;
1184 or return; 1148 or return;
1185 1149
1186 my $map = cf::map::new 1150 my $map = cf::map::new
1187 or return; 1151 or return;
1188 1152
1153 # for better error messages only, will be overwritten
1154 $map->path ($path);
1155
1189 $map->load_header ($path) 1156 $map->load_header ($path)
1190 or return; 1157 or return;
1191 1158
1192 $map->{load_path} = $path; 1159 $map->{load_path} = $path;
1193 1160
1303} 1270}
1304 1271
1305sub find_sync { 1272sub find_sync {
1306 my ($path, $origin) = @_; 1273 my ($path, $origin) = @_;
1307 1274
1308 cf::sync_job { cf::map::find $path, $origin } 1275 cf::sync_job {
1276 my $map = cf::map::find $path, $origin;
1277 $map
1278 }
1309} 1279}
1310 1280
1311sub do_load_sync { 1281sub do_load_sync {
1312 my ($map) = @_; 1282 my ($map) = @_;
1313 1283
1314 cf::sync_job { $map->load }; 1284 cf::sync_job { $map->load };
1315} 1285}
1316 1286
1317sub save { 1287sub save {
1318 my ($self) = @_; 1288 my ($self) = @_;
1289
1290 my $lock = cf::lock_acquire "map_data:" . $self->path;
1319 1291
1320 $self->{last_save} = $cf::RUNTIME; 1292 $self->{last_save} = $cf::RUNTIME;
1321 1293
1322 return unless $self->dirty; 1294 return unless $self->dirty;
1323 1295
1342 my ($self) = @_; 1314 my ($self) = @_;
1343 1315
1344 # save first because save cedes 1316 # save first because save cedes
1345 $self->save; 1317 $self->save;
1346 1318
1319 my $lock = cf::lock_acquire "map_data:" . $self->path;
1320
1347 return if $self->players; 1321 return if $self->players;
1348 return if $self->in_memory != cf::MAP_IN_MEMORY; 1322 return if $self->in_memory != cf::MAP_IN_MEMORY;
1349 return if $self->{deny_save}; 1323 return if $self->{deny_save};
1350 1324
1351 $self->clear; 1325 $self->clear;
1392 $self->save; 1366 $self->save;
1393} 1367}
1394 1368
1395sub reset { 1369sub reset {
1396 my ($self) = @_; 1370 my ($self) = @_;
1371
1372 my $lock = cf::lock_acquire "map_data:" . $self->path;
1397 1373
1398 return if $self->players; 1374 return if $self->players;
1399 return if $self->{path}{user_rel};#d# 1375 return if $self->{path}{user_rel};#d#
1400 1376
1401 warn "resetting map ", $self->path;#d# 1377 warn "resetting map ", $self->path;#d#
1567 my ($pl) = @_; 1543 my ($pl) = @_;
1568 1544
1569 # try to abort aborted map switching on player login :) 1545 # try to abort aborted map switching on player login :)
1570 # should happen only on crashes 1546 # should happen only on crashes
1571 if ($pl->ob->{_link_pos}) { 1547 if ($pl->ob->{_link_pos}) {
1548
1572 $pl->ob->enter_link; 1549 $pl->ob->enter_link;
1573 cf::async { 1550 (Coro::async_pool {
1574 # 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
1575 # 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
1576 Coro::Timer::sleep 1; 1553 Coro::Timer::sleep 1;
1577 $pl->ob->leave_link; 1554 $pl->ob->leave_link;
1578 }; 1555 })->prio (2);
1579 } 1556 }
1580 }, 1557 },
1581); 1558);
1582 1559
1583=item $player_object->goto_map ($path, $x, $y) 1560=item $player_object->goto ($path, $x, $y)
1584 1561
1585=cut 1562=cut
1586 1563
1587sub cf::object::player::goto_map { 1564sub cf::object::player::goto {
1588 my ($self, $path, $x, $y) = @_; 1565 my ($self, $path, $x, $y) = @_;
1589 1566
1590 $self->enter_link; 1567 $self->enter_link;
1591 1568
1592 (cf::async { 1569 (Coro::async_pool {
1593 $path = new cf::path $path; 1570 $path = new cf::path $path;
1594 1571
1595 my $map = cf::map::find $path->as_string; 1572 my $map = cf::map::find $path->as_string;
1596 $map = $map->customise_for ($self) if $map; 1573 $map = $map->customise_for ($self) if $map;
1597 1574
1659 1636
1660 return unless $self->type == cf::PLAYER; 1637 return unless $self->type == cf::PLAYER;
1661 1638
1662 $self->enter_link; 1639 $self->enter_link;
1663 1640
1664 (cf::async { 1641 (Coro::async_pool {
1665 $self->deactivate_recursive; # just to be sure 1642 $self->deactivate_recursive; # just to be sure
1666 unless (eval { 1643 unless (eval {
1667 prepare_random_map $exit 1644 prepare_random_map $exit
1668 if $exit->slaying eq "/!"; 1645 if $exit->slaying eq "/!";
1669 1646
1670 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;
1671 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1648 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1672 1649
1673 1; 1650 1;
1674 }) { 1651 }) {
1675 $self->message ("Something went wrong deep within the crossfire server. " 1652 $self->message ("Something went wrong deep within the crossfire server. "
1676 . "I'll try to bring you back to the map you were before. " 1653 . "I'll try to bring you back to the map you were before. "
1761=cut 1738=cut
1762 1739
1763sub cf::client::coro { 1740sub cf::client::coro {
1764 my ($self, $cb) = @_; 1741 my ($self, $cb) = @_;
1765 1742
1766 my $coro = &cf::async ($cb); 1743 my $coro = &Coro::async_pool ($cb);
1767 1744
1768 $coro->on_destroy (sub { 1745 $coro->on_destroy (sub {
1769 delete $self->{_coro}{$coro+0}; 1746 delete $self->{_coro}{$coro+0};
1770 }); 1747 });
1771 1748
2009 local $/; 1986 local $/;
2010 *CFG = YAML::Syck::Load <$fh>; 1987 *CFG = YAML::Syck::Load <$fh>;
2011 1988
2012 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 1989 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2013 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
2014 if (exists $CFG{mlockall}) { 1994 if (exists $CFG{mlockall}) {
2015 eval { 1995 eval {
2016 $CFG{mlockall} ? &mlockall : &munlockall 1996 $CFG{mlockall} ? &mlockall : &munlockall
2017 and die "WARNING: m(un)lockall failed: $!\n"; 1997 and die "WARNING: m(un)lockall failed: $!\n";
2018 }; 1998 };
2022 2002
2023sub main { 2003sub main {
2024 # we must not ever block the main coroutine 2004 # we must not ever block the main coroutine
2025 local $Coro::idle = sub { 2005 local $Coro::idle = sub {
2026 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#
2027 (Coro::unblock_sub { 2007 Coro::async_pool { Event::one_event };
2028 Event::one_event;
2029 })->();
2030 }; 2008 };
2031 2009
2032 cfg_load; 2010 cfg_load;
2033 db_load; 2011 db_load;
2034 load_extensions; 2012 load_extensions;

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