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Comparing cf.schmorp.de/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 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 {
361 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1; 360 my $guard = cf::lock_acquire "write_runtime";
362 361
363 my $runtime = cf::localdir . "/runtime"; 362 my $runtime = cf::localdir . "/runtime";
364 363
365 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 364 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
366 or return; 365 or return;
789 } 788 }
790 } else { 789 } else {
791 aio_unlink $filename; 790 aio_unlink $filename;
792 aio_unlink "$filename.pst"; 791 aio_unlink "$filename.pst";
793 } 792 }
794
795 #d##TODO# nuke non .map-files if exist
796 if ($filename =~ s/\.map$//) {
797 aio_unlink $filename;
798 aio_unlink "$filename.pst";
799 }
800 } 793 }
801} 794}
802 795
803sub object_freezer_as_string { 796sub object_freezer_as_string {
804 my ($rdata, $objs) = @_; 797 my ($rdata, $objs) = @_;
810 803
811sub object_thawer_load { 804sub object_thawer_load {
812 my ($filename) = @_; 805 my ($filename) = @_;
813 806
814 my ($data, $av); 807 my ($data, $av);
815
816 #d#TODO remove .map if file does not exist
817 aio_stat $filename and $filename =~ s/\.map$//;
818 808
819 (aio_load $filename, $data) >= 0 809 (aio_load $filename, $data) >= 0
820 or return; 810 or return;
821 811
822 unless (aio_stat "$filename.pst") { 812 unless (aio_stat "$filename.pst") {
1041=cut 1031=cut
1042 1032
1043sub quit_character { 1033sub quit_character {
1044 my ($pl) = @_; 1034 my ($pl) = @_;
1045 1035
1036 my $name = $pl->ob->name;
1037
1046 $pl->{deny_save} = 1; 1038 $pl->{deny_save} = 1;
1047 $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
1048 1040
1049 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1041 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050 $pl->deactivate; 1042 $pl->deactivate;
1054 my $path = playerdir $pl; 1046 my $path = playerdir $pl;
1055 my $temp = "$path~$cf::RUNTIME~deleting~"; 1047 my $temp = "$path~$cf::RUNTIME~deleting~";
1056 aio_rename $path, $temp; 1048 aio_rename $path, $temp;
1057 delete $cf::PLAYER{$pl->ob->name}; 1049 delete $cf::PLAYER{$pl->ob->name};
1058 $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
1059 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 $pl->ns->destroy;
1060} 1072}
1061 1073
1062=item cf::player::list_logins 1074=item cf::player::list_logins
1063 1075
1064Returns am arrayref of all valid playernames in the system, can take a 1076Returns am arrayref of all valid playernames in the system, can take a
1309 my ($self) = @_; 1321 my ($self) = @_;
1310 1322
1311 utf8::encode (my $save = $self->save_path); 1323 utf8::encode (my $save = $self->save_path);
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1324 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1325 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1314
1315 #d#TODO remove .map and also nuke
1316 $save =~ s/\.map// or return;#d#
1317 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1318 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1319} 1326}
1320 1327
1321sub load_header_from($) { 1328sub load_header_from($) {
1322 my ($self, $path) = @_; 1329 my ($self, $path) = @_;
1323 1330
1822 $map->load; 1829 $map->load;
1823 $map->load_diag; 1830 $map->load_diag;
1824 1831
1825 return unless $self->contr->active; 1832 return unless $self->contr->active;
1826 $self->activate_recursive; 1833 $self->activate_recursive;
1834
1835 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827 $self->enter_map ($map, $x, $y); 1836 $self->enter_map ($map, $x, $y);
1828} 1837}
1829 1838
1830cf::player->attach ( 1839cf::player->attach (
1831 on_logout => sub { 1840 on_logout => sub {
1844 # try to abort aborted map switching on player login :) 1853 # try to abort aborted map switching on player login :)
1845 # should happen only on crashes 1854 # should happen only on crashes
1846 if ($pl->ob->{_link_pos}) { 1855 if ($pl->ob->{_link_pos}) {
1847 $pl->ob->enter_link; 1856 $pl->ob->enter_link;
1848 (async { 1857 (async {
1849 # we need this sleep as the login has a concurrent enter_exit running
1850 # and this sleep increases chances of the player not ending up in scorn
1851 $pl->ob->reply (undef, 1858 $pl->ob->reply (undef,
1852 "There was an internal problem at your last logout, " 1859 "There was an internal problem at your last logout, "
1853 . "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.",
1854 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
1855 Coro::Timer::sleep 1; 1864 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link; 1865 $pl->ob->leave_link;
1857 })->prio (2); 1866 })->prio (2);
1858 } 1867 }
1859 }, 1868 },
2258} 2267}
2259 2268
2260############################################################################# 2269#############################################################################
2261# the server's init and main functions 2270# the server's init and main functions
2262 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
2263sub load_resources { 2295sub reload_resources {
2264 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2296 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2265 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;
2266} 2304}
2267 2305
2268sub cfg_load { 2306sub cfg_load {
2269 open my $fh, "<:utf8", cf::confdir . "/config" 2307 open my $fh, "<:utf8", cf::confdir . "/config"
2270 or return; 2308 or return;
2282 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2320 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283 and die "WARNING: m(un)lockall failed: $!\n"; 2321 and die "WARNING: m(un)lockall failed: $!\n";
2284 }; 2322 };
2285 warn $@ if $@; 2323 warn $@ if $@;
2286 } 2324 }
2287}
2288
2289sub init {
2290 load_resources;
2291} 2325}
2292 2326
2293sub main { 2327sub main {
2294 # we must not ever block the main coroutine 2328 # we must not ever block the main coroutine
2295 local $Coro::idle = sub { 2329 local $Coro::idle = sub {
2372 return; 2406 return;
2373 } 2407 }
2374 2408
2375 warn "reloading..."; 2409 warn "reloading...";
2376 2410
2377 warn "cancelling server ticker"; 2411 warn "entering sync_job";
2378 $TICK_WATCHER->cancel;
2379 2412
2413 cf::sync_job {
2414 cf::write_runtime; # external watchdog should not bark
2380 cf::emergency_save; 2415 cf::emergency_save;
2416 cf::write_runtime; # external watchdog should not bark
2381 2417
2382 eval { 2418 warn "syncing database to disk";
2419 BDB::db_env_txn_checkpoint $DB_ENV;
2420
2383 # 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
2384 2422
2385 warn "cancelling all WF_AUTOCANCEL watchers"; 2423 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) { 2424 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL; 2425 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 } 2426 }
2389
2390 warn "syncing database to disk";
2391 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392 2427
2393 warn "flushing outstanding aio requests"; 2428 warn "flushing outstanding aio requests";
2394 for (;;) { 2429 for (;;) {
2395 BDB::flush; 2430 BDB::flush;
2396 IO::AIO::flush; 2431 IO::AIO::flush;
2397 Coro::cede; 2432 Coro::cede;
2398 last unless IO::AIO::nreqs || BDB::nreqs; 2433 last unless IO::AIO::nreqs || BDB::nreqs;
2399 warn "iterate..."; 2434 warn "iterate...";
2400 } 2435 }
2401 2436
2437 ++$RELOAD;
2438
2402 warn "cancelling all extension coros"; 2439 warn "cancelling all extension coros";
2403 $_->cancel for values %EXT_CORO; 2440 $_->cancel for values %EXT_CORO;
2404 %EXT_CORO = (); 2441 %EXT_CORO = ();
2405 2442
2406 warn "removing commands"; 2443 warn "removing commands";
2463 2500
2464 warn "loading extensions"; 2501 warn "loading extensions";
2465 cf::load_extensions; 2502 cf::load_extensions;
2466 2503
2467 warn "reattaching attachments to objects/players"; 2504 warn "reattaching attachments to objects/players";
2468 _global_reattach; 2505 _global_reattach; # objects, sockets
2469 warn "reattaching attachments to maps"; 2506 warn "reattaching attachments to maps";
2470 reattach $_ for values %MAP; 2507 reattach $_ for values %MAP;
2508 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER;
2471 2510
2472 warn "loading reloadable resources"; 2511 warn "loading reloadable resources";
2473 load_resources; 2512 reload_resources;
2474 2513
2475 warn "restarting server ticker"; 2514 warn "leaving sync_job";
2476 2515
2477 $TICK_WATCHER->start; 2516 1
2478 }; 2517 } or do {
2479
2480 if ($@) {
2481 warn $@; 2518 warn $@;
2482 warn "error while reloading, exiting."; 2519 warn "error while reloading, exiting.";
2483 exit 1; 2520 exit 1;
2484 } 2521 };
2485 2522
2486 warn "reloaded"; 2523 warn "reloaded";
2487}; 2524};
2488 2525
2489our $RELOAD_WATCHER; # used only during reload 2526our $RELOAD_WATCHER; # used only during reload
2530 2567
2531 cf::server_tick; # one server iteration 2568 cf::server_tick; # one server iteration
2532 $RUNTIME += $TICK; 2569 $RUNTIME += $TICK;
2533 $NEXT_TICK += $TICK; 2570 $NEXT_TICK += $TICK;
2534 2571
2572 if ($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
2535 $WAIT_FOR_TICK->broadcast; 2580 $WAIT_FOR_TICK->broadcast;
2536 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2581 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2537 2582
2538 Event::sweep;
2539 Coro::cede_notself;
2540
2541# my $AFTER = Event::time; 2583# my $AFTER = Event::time;
2542# warn $AFTER - $NOW;#d# 2584# warn $AFTER - $NOW;#d#
2543 2585
2544 # 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
2545 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2604 2646
2605 undef $Coro::AIO::WATCHER; 2647 undef $Coro::AIO::WATCHER;
2606 IO::AIO::max_poll_time $TICK * 0.1; 2648 IO::AIO::max_poll_time $TICK * 0.1;
2607 $AIO_POLL_WATCHER = Event->io ( 2649 $AIO_POLL_WATCHER = Event->io (
2608 reentrant => 0, 2650 reentrant => 0,
2651 data => WF_AUTOCANCEL,
2609 fd => IO::AIO::poll_fileno, 2652 fd => IO::AIO::poll_fileno,
2610 poll => 'r', 2653 poll => 'r',
2611 prio => 6, 2654 prio => 6,
2612 data => WF_AUTOCANCEL,
2613 cb => \&IO::AIO::poll_cb, 2655 cb => \&IO::AIO::poll_cb,
2614 ); 2656 );
2615} 2657}
2616 2658
2617$WRITE_RUNTIME_WATCHER = Event->timer (
2618 reentrant => 0,
2619 data => WF_AUTOCANCEL,
2620 after => 1,
2621 interval => 10,
2622 prio => 6, # keep it lowest so it acts like a watchdog
2623 cb => Coro::unblock_sub {
2624 write_runtime
2625 or warn "ERROR: unable to write runtime file: $!";
2626 },
2627);
2628
2629END { cf::emergency_save } 2659END { cf::emergency_save }
2630 2660
26311 26611
2632 2662

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