ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC

… …
43our @EXTS = (); # list of extension package names 43our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 44our %EXTCMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 45our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 46our %EXT_MAP = (); # pluggable maps
47 47
48our $RELOAD; # number of reloads so far
48our @EVENT; 49our @EVENT;
49our $LIBDIR = datadir . "/ext"; 50our $LIBDIR = datadir . "/ext";
50 51
51our $TICK = MAX_TIME * 1e-6; 52our $TICK = MAX_TIME * 1e-6;
52our $TICK_WATCHER; 53our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 54our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER; 55our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 56our $NEXT_TICK;
56our $NOW; 57our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 58our $USE_FSYNC = 1; # use fsync to write maps - default off
58 59
59our $BDB_POLL_WATCHER; 60our $BDB_POLL_WATCHER;
… …
273sub freeze_mainloop { 274sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 275 return unless $TICK_WATCHER->is_active;
275 276
276 my $guard = Coro::guard { 277 my $guard = Coro::guard {
277 $TICK_WATCHER->start; 278 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 }; 279 };
280 $WRITE_RUNTIME_WATCHER->stop;
281 $TICK_WATCHER->stop; 280 $TICK_WATCHER->stop;
282 $guard 281 $guard
283} 282}
284 283
285=item cf::async { BLOCK } 284=item cf::async { BLOCK }
… …
356 355
357 $coro 356 $coro
358} 357}
359 358
360sub write_runtime { 359sub write_runtime {
360 my $guard = cf::lock_acquire "write_runtime";
361
361 my $runtime = cf::localdir . "/runtime"; 362 my $runtime = cf::localdir . "/runtime";
362 363
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 364 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364 or return; 365 or return;
365 366
… …
787 } 788 }
788 } else { 789 } else {
789 aio_unlink $filename; 790 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 791 aio_unlink "$filename.pst";
791 } 792 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
798 } 793 }
799} 794}
800 795
801sub object_freezer_as_string { 796sub object_freezer_as_string {
802 my ($rdata, $objs) = @_; 797 my ($rdata, $objs) = @_;
… …
808 803
809sub object_thawer_load { 804sub object_thawer_load {
810 my ($filename) = @_; 805 my ($filename) = @_;
811 806
812 my ($data, $av); 807 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
816 808
817 (aio_load $filename, $data) >= 0 809 (aio_load $filename, $data) >= 0
818 or return; 810 or return;
819 811
820 unless (aio_stat "$filename.pst") { 812 unless (aio_stat "$filename.pst") {
… …
1039=cut 1031=cut
1040 1032
1041sub quit_character { 1033sub quit_character {
1042 my ($pl) = @_; 1034 my ($pl) = @_;
1043 1035
1036 my $name = $pl->ob->name;
1037
1044 $pl->{deny_save} = 1; 1038 $pl->{deny_save} = 1;
1045 $pl->password ("*"); # this should lock out the player until we nuked the dir 1039 $pl->password ("*"); # this should lock out the player until we nuked the dir
1046 1040
1047 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1041 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048 $pl->deactivate; 1042 $pl->deactivate;
… …
1052 my $path = playerdir $pl; 1046 my $path = playerdir $pl;
1053 my $temp = "$path~$cf::RUNTIME~deleting~"; 1047 my $temp = "$path~$cf::RUNTIME~deleting~";
1054 aio_rename $path, $temp; 1048 aio_rename $path, $temp;
1055 delete $cf::PLAYER{$pl->ob->name}; 1049 delete $cf::PLAYER{$pl->ob->name};
1056 $pl->destroy; 1050 $pl->destroy;
1051
1052 my $prefix = qr<^~\Q$name\E/>;
1053
1054 # nuke player maps
1055 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1056
1057 IO::AIO::aio_rmtree $temp; 1057 IO::AIO::aio_rmtree $temp;
1058}
1059
1060=item $pl->kick
1061
1062Kicks a player out of the game. This destroys the connection.
1063
1064=cut
1065
1066sub kick {
1067 my ($pl, $kicker) = @_;
1068
1069 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1070 $pl->killer ("kicked");
1071 $pl->ns->destroy;
1058} 1072}
1059 1073
1060=item cf::player::list_logins 1074=item cf::player::list_logins
1061 1075
1062Returns am arrayref of all valid playernames in the system, can take a 1076Returns am arrayref of all valid playernames in the system, can take a
… …
1307 my ($self) = @_; 1321 my ($self) = @_;
1308 1322
1309 utf8::encode (my $save = $self->save_path); 1323 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1324 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1325 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1312
1313 #d#TODO remove .map and also nuke
1314 $save =~ s/\.map// or return;#d#
1315 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1316 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1317} 1326}
1318 1327
1319sub load_header_from($) { 1328sub load_header_from($) {
1320 my ($self, $path) = @_; 1329 my ($self, $path) = @_;
1321 1330
… …
1609 return if $self->players; 1618 return if $self->players;
1610 return if $self->isa ("ext::map_per_player");#d# 1619 return if $self->isa ("ext::map_per_player");#d#
1611 1620
1612 warn "resetting map ", $self->path;#d# 1621 warn "resetting map ", $self->path;#d#
1613 1622
1623 $self->in_memory (cf::MAP_SWAPPED);
1624
1625 # need to save uniques path
1626 unless ($self->{deny_save}) {
1627 my $uniq = $self->uniq_path; utf8::encode $uniq;
1628
1629 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1630 if $uniq;
1631 }
1632
1614 delete $cf::MAP{$self->path}; 1633 delete $cf::MAP{$self->path};
1615 1634
1616 $self->in_memory (cf::MAP_SWAPPED);
1617 $self->clear; 1635 $self->clear;
1618 1636
1619 $_->clear_links_to ($self) for values %cf::MAP; 1637 $_->clear_links_to ($self) for values %cf::MAP;
1620 1638
1621 $self->unlink_save; 1639 $self->unlink_save;
… …
1811 $map->load; 1829 $map->load;
1812 $map->load_diag; 1830 $map->load_diag;
1813 1831
1814 return unless $self->contr->active; 1832 return unless $self->contr->active;
1815 $self->activate_recursive; 1833 $self->activate_recursive;
1834
1835 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816 $self->enter_map ($map, $x, $y); 1836 $self->enter_map ($map, $x, $y);
1817} 1837}
1818 1838
1819cf::player->attach ( 1839cf::player->attach (
1820 on_logout => sub { 1840 on_logout => sub {
… …
1833 # try to abort aborted map switching on player login :) 1853 # try to abort aborted map switching on player login :)
1834 # should happen only on crashes 1854 # should happen only on crashes
1835 if ($pl->ob->{_link_pos}) { 1855 if ($pl->ob->{_link_pos}) {
1836 $pl->ob->enter_link; 1856 $pl->ob->enter_link;
1837 (async { 1857 (async {
1838 # we need this sleep as the login has a concurrent enter_exit running
1839 # and this sleep increases chances of the player not ending up in scorn
1840 $pl->ob->reply (undef, 1858 $pl->ob->reply (undef,
1841 "There was an internal problem at your last logout, " 1859 "There was an internal problem at your last logout, "
1842 . "the server will try to bring you to your intended destination in a second.", 1860 . "the server will try to bring you to your intended destination in a second.",
1843 cf::NDI_RED); 1861 cf::NDI_RED);
1862 # we need this sleep as the login has a concurrent enter_exit running
1863 # and this sleep increases chances of the player not ending up in scorn
1844 Coro::Timer::sleep 1; 1864 Coro::Timer::sleep 1;
1845 $pl->ob->leave_link; 1865 $pl->ob->leave_link;
1846 })->prio (2); 1866 })->prio (2);
1847 } 1867 }
1848 }, 1868 },
… …
2197 2217
2198=cut 2218=cut
2199 2219
2200our $DB; 2220our $DB;
2201 2221
2222sub db_init {
2202unless ($DB) { 2223 unless ($DB) {
2203 $DB = BDB::db_create $DB_ENV; 2224 $DB = BDB::db_create $DB_ENV;
2204 2225
2205 cf::sync_job { 2226 cf::sync_job {
2206 eval { 2227 eval {
2207 $DB->set_flags (BDB::CHKSUM); 2228 $DB->set_flags (BDB::CHKSUM);
2208 2229
2209 BDB::db_open $DB, undef, "db", undef, BDB::BTREE, 2230 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2231 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211 cf::cleanup "db_open(db): $!" if $!; 2232 cf::cleanup "db_open(db): $!" if $!;
2233 };
2234 cf::cleanup "db_open(db): $@" if $@;
2212 }; 2235 };
2213 cf::cleanup "db_open(db): $@" if $@;
2214 };
2215 2236
2216 my $path = cf::localdir . "/database.pst"; 2237 my $path = cf::localdir . "/database.pst";
2217 if (stat $path) { 2238 if (stat $path) {
2218 cf::sync_job { 2239 cf::sync_job {
2219 my $pst = Storable::retrieve $path; 2240 my $pst = Storable::retrieve $path;
2220 2241
2221 cf::db_put (board => data => $pst->{board}); 2242 cf::db_put (board => data => $pst->{board});
2222 cf::db_put (guildrules => data => $pst->{guildrules}); 2243 cf::db_put (guildrules => data => $pst->{guildrules});
2223 cf::db_put (rent => balance => $pst->{rent}{balance}); 2244 cf::db_put (rent => balance => $pst->{rent}{balance});
2224 BDB::db_env_txn_checkpoint $DB_ENV; 2245 BDB::db_env_txn_checkpoint $DB_ENV;
2225 2246
2226 unlink $path; 2247 unlink $path;
2248 };
2227 }; 2249 }
2228 } 2250 }
2229} 2251}
2230 2252
2231sub db_get($$) { 2253sub db_get($$) {
2232 my $key = "$_[0]/$_[1]"; 2254 my $key = "$_[0]/$_[1]";
… …
2245} 2267}
2246 2268
2247############################################################################# 2269#############################################################################
2248# the server's init and main functions 2270# the server's init and main functions
2249 2271
2272sub load_faces {
2273 my $path = sprintf "%s/faces", cf::datadir;
2274
2275 warn "loading faces from $path\n";
2276
2277 my $faces;
2278 0 < aio_load $path, $faces
2279 or die "$path: $!";
2280
2281 Coro::cede;
2282 $faces = Storable::thaw $faces;
2283 Coro::cede;
2284
2285 while (my ($face, $info) = each %$faces) {
2286 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2289 Coro::cede;
2290 }
2291
2292 1
2293}
2294
2250sub load_resources { 2295sub reload_resources {
2251 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2296 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2252 or die "unable to load regions file\n";#d# 2297 or die "unable to load regions file\n";#d#
2298 load_faces
2299 or die "unable to load faces\n";#d#
2300}
2301
2302sub init {
2303 reload_resources;
2253} 2304}
2254 2305
2255sub cfg_load { 2306sub cfg_load {
2256 open my $fh, "<:utf8", cf::confdir . "/config" 2307 open my $fh, "<:utf8", cf::confdir . "/config"
2257 or return; 2308 or return;
… …
2269 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2320 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2270 and die "WARNING: m(un)lockall failed: $!\n"; 2321 and die "WARNING: m(un)lockall failed: $!\n";
2271 }; 2322 };
2272 warn $@ if $@; 2323 warn $@ if $@;
2273 } 2324 }
2274}
2275
2276sub init {
2277 load_resources;
2278} 2325}
2279 2326
2280sub main { 2327sub main {
2281 # we must not ever block the main coroutine 2328 # we must not ever block the main coroutine
2282 local $Coro::idle = sub { 2329 local $Coro::idle = sub {
… …
2285 Event::one_event; 2332 Event::one_event;
2286 })->prio (Coro::PRIO_MAX); 2333 })->prio (Coro::PRIO_MAX);
2287 }; 2334 };
2288 2335
2289 cfg_load; 2336 cfg_load;
2337 db_init;
2290 load_extensions; 2338 load_extensions;
2291 2339
2292 $TICK_WATCHER->start; 2340 $TICK_WATCHER->start;
2293 Event::loop; 2341 Event::loop;
2294} 2342}
… …
2342 }; 2390 };
2343 2391
2344 warn "leave emergency perl save\n"; 2392 warn "leave emergency perl save\n";
2345} 2393}
2346 2394
2395sub post_cleanup {
2396 my ($make_core) = @_;
2397
2398 warn Carp::longmess "post_cleanup backtrace"
2399 if $make_core;
2400}
2401
2347sub reload() { 2402sub reload() {
2348 # can/must only be called in main 2403 # can/must only be called in main
2349 if ($Coro::current != $Coro::main) { 2404 if ($Coro::current != $Coro::main) {
2350 warn "can only reload from main coroutine"; 2405 warn "can only reload from main coroutine";
2351 return; 2406 return;
2352 } 2407 }
2353 2408
2354 warn "reloading..."; 2409 warn "reloading...";
2355 2410
2356 warn "cancelling server ticker"; 2411 warn "entering sync_job";
2357 $TICK_WATCHER->cancel;
2358 2412
2413 cf::sync_job {
2414 cf::write_runtime; # external watchdog should not bark
2359 cf::emergency_save; 2415 cf::emergency_save;
2416 cf::write_runtime; # external watchdog should not bark
2360 2417
2361 eval { 2418 warn "syncing database to disk";
2419 BDB::db_env_txn_checkpoint $DB_ENV;
2420
2362 # if anything goes wrong in here, we should simply crash as we already saved 2421 # if anything goes wrong in here, we should simply crash as we already saved
2363 2422
2364 warn "cancelling all WF_AUTOCANCEL watchers"; 2423 warn "cancelling all WF_AUTOCANCEL watchers";
2365 for (Event::all_watchers) { 2424 for (Event::all_watchers) {
2366 $_->cancel if $_->data & WF_AUTOCANCEL; 2425 $_->cancel if $_->data & WF_AUTOCANCEL;
2367 } 2426 }
2368
2369 warn "syncing database to disk";
2370 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371 2427
2372 warn "flushing outstanding aio requests"; 2428 warn "flushing outstanding aio requests";
2373 for (;;) { 2429 for (;;) {
2374 BDB::flush; 2430 BDB::flush;
2375 IO::AIO::flush; 2431 IO::AIO::flush;
2376 Coro::cede; 2432 Coro::cede;
2377 last unless IO::AIO::nreqs || BDB::nreqs; 2433 last unless IO::AIO::nreqs || BDB::nreqs;
2378 warn "iterate..."; 2434 warn "iterate...";
2379 } 2435 }
2380 2436
2437 ++$RELOAD;
2438
2381 warn "cancelling all extension coros"; 2439 warn "cancelling all extension coros";
2382 $_->cancel for values %EXT_CORO; 2440 $_->cancel for values %EXT_CORO;
2383 %EXT_CORO = (); 2441 %EXT_CORO = ();
2384 2442
2385 warn "removing commands"; 2443 warn "removing commands";
… …
2442 2500
2443 warn "loading extensions"; 2501 warn "loading extensions";
2444 cf::load_extensions; 2502 cf::load_extensions;
2445 2503
2446 warn "reattaching attachments to objects/players"; 2504 warn "reattaching attachments to objects/players";
2447 _global_reattach; 2505 _global_reattach; # objects, sockets
2448 warn "reattaching attachments to maps"; 2506 warn "reattaching attachments to maps";
2449 reattach $_ for values %MAP; 2507 reattach $_ for values %MAP;
2508 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER;
2450 2510
2451 warn "loading reloadable resources"; 2511 warn "loading reloadable resources";
2452 load_resources; 2512 reload_resources;
2453 2513
2454 warn "restarting server ticker"; 2514 warn "leaving sync_job";
2455 2515
2456 $TICK_WATCHER->start; 2516 1
2457 }; 2517 } or do {
2458
2459 if ($@) {
2460 warn $@; 2518 warn $@;
2461 warn "error while reloading, exiting."; 2519 warn "error while reloading, exiting.";
2462 exit 1; 2520 exit 1;
2463 } 2521 };
2464 2522
2465 warn "reloaded"; 2523 warn "reloaded";
2466}; 2524};
2467 2525
2468our $RELOAD_WATCHER; # used only during reload 2526our $RELOAD_WATCHER; # used only during reload
… …
2509 2567
2510 cf::server_tick; # one server iteration 2568 cf::server_tick; # one server iteration
2511 $RUNTIME += $TICK; 2569 $RUNTIME += $TICK;
2512 $NEXT_TICK += $TICK; 2570 $NEXT_TICK += $TICK;
2513 2571
2572 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573 $NEXT_RUNTIME_WRITE = $NOW + 10;
2574 Coro::async_pool {
2575 write_runtime
2576 or warn "ERROR: unable to write runtime file: $!";
2577 };
2578 }
2579
2514 $WAIT_FOR_TICK->broadcast; 2580 $WAIT_FOR_TICK->broadcast;
2515 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2581 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2516 2582
2517 Event::sweep;
2518 Coro::cede_notself;
2519
2520# my $AFTER = Event::time; 2583# my $AFTER = Event::time;
2521# warn $AFTER - $NOW;#d# 2584# warn $AFTER - $NOW;#d#
2522 2585
2523 # if we are delayed by four ticks or more, skip them all 2586 # if we are delayed by four ticks or more, skip them all
2524 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
… …
2583 2646
2584 undef $Coro::AIO::WATCHER; 2647 undef $Coro::AIO::WATCHER;
2585 IO::AIO::max_poll_time $TICK * 0.1; 2648 IO::AIO::max_poll_time $TICK * 0.1;
2586 $AIO_POLL_WATCHER = Event->io ( 2649 $AIO_POLL_WATCHER = Event->io (
2587 reentrant => 0, 2650 reentrant => 0,
2651 data => WF_AUTOCANCEL,
2588 fd => IO::AIO::poll_fileno, 2652 fd => IO::AIO::poll_fileno,
2589 poll => 'r', 2653 poll => 'r',
2590 prio => 6, 2654 prio => 6,
2591 data => WF_AUTOCANCEL,
2592 cb => \&IO::AIO::poll_cb, 2655 cb => \&IO::AIO::poll_cb,
2593 ); 2656 );
2594} 2657}
2595 2658
2596$WRITE_RUNTIME_WATCHER = Event->timer (
2597 reentrant => 0,
2598 data => WF_AUTOCANCEL,
2599 after => 1,
2600 interval => 10,
2601 prio => 6, # keep it lowest so it acts like a watchdog
2602 cb => Coro::unblock_sub {
2603 write_runtime
2604 or warn "ERROR: unable to write runtime file: $!";
2605 },
2606);
2607
2608END { cf::emergency_save } 2659END { cf::emergency_save }
2609 2660
26101 26611
2611 2662

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines