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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.185 by root, Fri Jan 19 23:32:52 2007 UTC vs.
Revision 1.193 by root, Wed Jan 24 16:29:10 2007 UTC

… …
8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.4 (); 13use Coro 3.5 ();
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;
… …
349 my $runtime = cf::localdir . "/runtime"; 349 my $runtime = cf::localdir . "/runtime";
350 350
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352 or return; 352 or return;
353 353
354 my $value = $cf::RUNTIME + 90 + 10;
354 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
355 (aio_write $fh, 0, (length $value), $value, 0) <= 0 358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
356 and return; 359 and return;
357 360
358 aio_fsync $fh 361 aio_fsync $fh
359 and return; 362 and return;
… …
1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138 (cf::region::find $rmp->{region}), $rmp->{custom} 1141 (cf::region::find $rmp->{region}), $rmp->{custom}
1139 ) 1142 )
1140} 1143}
1141 1144
1145=item cf::map->register ($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
1142sub register { 1153sub register {
1143 my (undef, $regex) = @_; 1154 my (undef, $regex, $prio) = @_;
1144 my $pkg = caller; 1155 my $pkg = caller;
1145 1156
1146 no strict; 1157 no strict;
1147 push @{"$pkg\::ISA"}, __PACKAGE__; 1158 push @{"$pkg\::ISA"}, __PACKAGE__;
1148 1159
1149 $EXT_MAP{$pkg} = qr<$regex>; 1160 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1150} 1161}
1151 1162
1152# also paths starting with '/' 1163# also paths starting with '/'
1153$EXT_MAP{"cf::map"} = qr{^(?=/)}; 1164$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1154 1165
1155sub thawer_merge { 1166sub thawer_merge {
1156 my ($self, $merge) = @_; 1167 my ($self, $merge) = @_;
1157 1168
1158 # we have to keep some variables in memory intact 1169 # we have to keep some variables in memory intact
… …
1164 $self->SUPER::thawer_merge ($merge); 1175 $self->SUPER::thawer_merge ($merge);
1165} 1176}
1166 1177
1167sub normalise { 1178sub normalise {
1168 my ($path, $base) = @_; 1179 my ($path, $base) = @_;
1180
1181 $path = "$path"; # make sure its a string
1169 1182
1170 # map plan: 1183 # map plan:
1171 # 1184 #
1172 # /! non-realised random map exit (special hack!) 1185 # /! non-realised random map exit (special hack!)
1173 # {... are special paths that are not being touched 1186 # {... are special paths that are not being touched
… …
1201 1214
1202 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object 1215 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1203 1216
1204 $path = normalise $path, $base; 1217 $path = normalise $path, $base;
1205 1218
1206 for my $pkg (keys %EXT_MAP) { 1219 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1207 if ($path =~ $EXT_MAP{$pkg}) { 1220 if ($path =~ $EXT_MAP{$pkg}[1]) {
1208 my $self = bless cf::map::new, $pkg; 1221 my $self = bless cf::map::new, $pkg;
1209 $self->{path} = $path; $self->path ($path); 1222 $self->{path} = $path; $self->path ($path);
1210 $self->init; # pass $1 etc. 1223 $self->init; # pass $1 etc.
1211 return $self; 1224 return $self;
1212 } 1225 }
1213 } 1226 }
1214 1227
1215 Carp::carp "unable to resolve path '$path'."; 1228 Carp::carp "unable to resolve path '$path' (base '$base').";
1216 () 1229 ()
1217} 1230}
1218 1231
1219sub init { 1232sub init {
1220 my ($self) = @_; 1233 my ($self) = @_;
… …
1286 $self->{load_path} = $path; 1299 $self->{load_path} = $path;
1287 1300
1288 1 1301 1
1289} 1302}
1290 1303
1291sub load_orig { 1304sub load_header_orig {
1292 my ($self) = @_; 1305 my ($self) = @_;
1293 1306
1294 $self->load_header_from ($self->load_path) 1307 $self->load_header_from ($self->load_path)
1295} 1308}
1296 1309
1297sub load_temp { 1310sub load_header_temp {
1298 my ($self) = @_; 1311 my ($self) = @_;
1299 1312
1300 $self->load_header_from ($self->save_path) 1313 $self->load_header_from ($self->save_path)
1314}
1315
1316sub prepare_temp {
1317 my ($self) = @_;
1318
1319 $self->last_access ((delete $self->{last_access})
1320 || $cf::RUNTIME); #d#
1321 # safety
1322 $self->{instantiate_time} = $cf::RUNTIME
1323 if $self->{instantiate_time} > $cf::RUNTIME;
1324}
1325
1326sub prepare_orig {
1327 my ($self) = @_;
1328
1329 $self->{load_original} = 1;
1330 $self->{instantiate_time} = $cf::RUNTIME;
1331 $self->last_access ($cf::RUNTIME);
1332 $self->instantiate;
1301} 1333}
1302 1334
1303sub load_header { 1335sub load_header {
1304 my ($self) = @_; 1336 my ($self) = @_;
1305 1337
1306 if ($self->load_temp) { 1338 if ($self->load_header_temp) {
1307 $self->last_access ((delete $self->{last_access}) 1339 $self->prepare_temp;
1308 || $cf::RUNTIME); #d#
1309 # safety
1310 $self->{instantiate_time} = $cf::RUNTIME
1311 if $self->{instantiate_time} > $cf::RUNTIME;
1312 } else { 1340 } else {
1313 $self->load_orig 1341 $self->load_header_orig
1314 or return; 1342 or return;
1315 1343 $self->prepare_orig;
1316 $self->{load_original} = 1;
1317 $self->{instantiate_time} = $cf::RUNTIME;
1318 $self->last_access ($cf::RUNTIME);
1319 $self->instantiate;
1320 } 1344 }
1321 1345
1322 1 1346 1
1323} 1347}
1324 1348
… …
1343 if ($map->should_reset) { 1367 if ($map->should_reset) {
1344 # doing this can freeze the server in a sync job, obviously 1368 # doing this can freeze the server in a sync job, obviously
1345 #$cf::WAIT_FOR_TICK->wait; 1369 #$cf::WAIT_FOR_TICK->wait;
1346 $map->reset; 1370 $map->reset;
1347 undef $guard; 1371 undef $guard;
1348 $map = find $path 1372 return find $path;
1349 or return;
1350 } 1373 }
1351 1374
1352 $cf::MAP{$path} = $map 1375 $cf::MAP{$path} = $map
1353 } 1376 }
1354} 1377}
1378
1379sub pre_load { }
1380sub post_load { }
1355 1381
1356sub load { 1382sub load {
1357 my ($self) = @_; 1383 my ($self) = @_;
1358 1384
1359 my $path = $self->{path}; 1385 my $path = $self->{path};
… …
1362 return if $self->in_memory != cf::MAP_SWAPPED; 1388 return if $self->in_memory != cf::MAP_SWAPPED;
1363 1389
1364 $self->in_memory (cf::MAP_LOADING); 1390 $self->in_memory (cf::MAP_LOADING);
1365 1391
1366 $self->alloc; 1392 $self->alloc;
1393
1394 $self->pre_load;
1395
1367 $self->_load_objects ($self->{load_path}, 1) 1396 $self->_load_objects ($self->{load_path}, 1)
1368 or return; 1397 or return;
1369 1398
1370 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1399 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1371 if delete $self->{load_original}; 1400 if delete $self->{load_original};
… …
1393 unless $self->difficulty; 1422 unless $self->difficulty;
1394 Coro::cede; 1423 Coro::cede;
1395 $self->activate; 1424 $self->activate;
1396 } 1425 }
1397 1426
1427 $self->post_load;
1428
1398 $self->in_memory (cf::MAP_IN_MEMORY); 1429 $self->in_memory (cf::MAP_IN_MEMORY);
1399} 1430}
1400 1431
1401sub customise_for { 1432sub customise_for {
1402 my ($self, $ob) = @_; 1433 my ($self, $ob) = @_;
… …
1466 delete $MAP_PREFETCH{$path}; 1497 delete $MAP_PREFETCH{$path};
1467 } 1498 }
1468 } 1499 }
1469 undef $MAP_PREFETCHER; 1500 undef $MAP_PREFETCHER;
1470 }; 1501 };
1502 $MAP_PREFETCHER->prio (6);
1471 1503
1472 () 1504 ()
1473} 1505}
1474 1506
1475sub save { 1507sub save {
… …
2175 sub db_sync() { 2207 sub db_sync() {
2176 db_save if $dirty; 2208 db_save if $dirty;
2177 undef $dirty; 2209 undef $dirty;
2178 } 2210 }
2179 2211
2180 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2212 my $idle = Event->idle (
2181 db_sync; 2213 reentrant => 0,
2214 min => 10,
2215 max => 20,
2216 repeat => 0,
2217 data => WF_AUTOCANCEL,
2218 cb => \&db_sync,
2182 }); 2219 );
2183 2220
2184 sub db_dirty() { 2221 sub db_dirty() {
2185 $dirty = 1; 2222 $dirty = 1;
2186 $idle->start; 2223 $idle->start;
2187 } 2224 }
… …
2255 2292
2256# install some emergency cleanup handlers 2293# install some emergency cleanup handlers
2257BEGIN { 2294BEGIN {
2258 for my $signal (qw(INT HUP TERM)) { 2295 for my $signal (qw(INT HUP TERM)) {
2259 Event->signal ( 2296 Event->signal (
2297 reentrant => 0,
2260 data => WF_AUTOCANCEL, 2298 data => WF_AUTOCANCEL,
2261 signal => $signal, 2299 signal => $signal,
2300 prio => 0,
2262 cb => sub { 2301 cb => sub {
2263 cf::cleanup "SIG$signal"; 2302 cf::cleanup "SIG$signal";
2264 }, 2303 },
2265 ); 2304 );
2266 } 2305 }
2267} 2306}
… …
2422 $who->message ("reloading server."); 2461 $who->message ("reloading server.");
2423 2462
2424 # doing reload synchronously and two reloads happen back-to-back, 2463 # doing reload synchronously and two reloads happen back-to-back,
2425 # coro crashes during coro_state_free->destroy here. 2464 # coro crashes during coro_state_free->destroy here.
2426 2465
2427 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub { 2466 $RELOAD_WATCHER ||= Event->timer (
2467 reentrant => 0,
2468 after => 0,
2469 data => WF_AUTOCANCEL,
2470 cb => sub {
2428 reload; 2471 reload;
2429 undef $RELOAD_WATCHER; 2472 undef $RELOAD_WATCHER;
2473 },
2430 }); 2474 );
2431 } 2475 }
2432}; 2476};
2433 2477
2434unshift @INC, $LIBDIR; 2478unshift @INC, $LIBDIR;
2435 2479
… …
2455 $NEXT_TICK += $TICK; 2499 $NEXT_TICK += $TICK;
2456 2500
2457 $WAIT_FOR_TICK->broadcast; 2501 $WAIT_FOR_TICK->broadcast;
2458 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2502 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2459 2503
2504 Event::sweep;
2505 Coro::cede_notself;
2506
2507# my $AFTER = Event::time;
2508# warn $AFTER - $NOW;#d#
2509
2460 # if we are delayed by four ticks or more, skip them all 2510 # if we are delayed by four ticks or more, skip them all
2461 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2511 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2462 2512
2463 $TICK_WATCHER->at ($NEXT_TICK); 2513 $TICK_WATCHER->at ($NEXT_TICK);
2464 $TICK_WATCHER->start; 2514 $TICK_WATCHER->start;
2465 }, 2515 },
2466); 2516);
2467 2517
2468IO::AIO::max_poll_time $TICK * 0.2; 2518IO::AIO::max_poll_time $TICK * 0.1;
2469 2519
2520undef $Coro::AIO::WATCHER;
2470$AIO_POLL_WATCHER = Event->io ( 2521$AIO_POLL_WATCHER = Event->io (
2522 reentrant => 0,
2471 fd => IO::AIO::poll_fileno, 2523 fd => IO::AIO::poll_fileno,
2472 poll => 'r', 2524 poll => 'r',
2473 prio => 5, 2525 prio => 6,
2474 data => WF_AUTOCANCEL, 2526 data => WF_AUTOCANCEL,
2475 cb => \&IO::AIO::poll_cb, 2527 cb => \&IO::AIO::poll_cb,
2476); 2528);
2477 2529
2478$WRITE_RUNTIME_WATCHER = Event->timer ( 2530$WRITE_RUNTIME_WATCHER = Event->timer (
2531 reentrant => 0,
2479 data => WF_AUTOCANCEL, 2532 data => WF_AUTOCANCEL,
2480 after => 1, 2533 after => 1,
2481 interval => 10, 2534 interval => 10,
2535 prio => 6, # keep it lowest so it acts like a watchdog
2482 cb => Coro::unblock_sub { 2536 cb => Coro::unblock_sub {
2483 write_runtime 2537 write_runtime
2484 or warn "ERROR: unable to write runtime file: $!"; 2538 or warn "ERROR: unable to write runtime file: $!";
2485 }, 2539 },
2486); 2540);
2487 2541

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