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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.211 by root, Tue Feb 13 16:23:32 2007 UTC vs.
Revision 1.225 by root, Wed Mar 14 00:04:58 2007 UTC

… …
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Storable; 8use Storable;
9use Event;
9use Opcode; 10use Opcode;
10use Safe; 11use Safe;
11use Safe::Hole; 12use Safe::Hole;
12 13
13use Coro 3.5 (); 14use Coro 3.52 ();
15use Coro::State;
14use Coro::Event; 16use Coro::Event;
15use Coro::Timer; 17use Coro::Timer;
16use Coro::Signal; 18use Coro::Signal;
17use Coro::Semaphore; 19use Coro::Semaphore;
18use Coro::AIO; 20use Coro::AIO;
… …
24use IO::AIO 2.32 (); 26use IO::AIO 2.32 ();
25use YAML::Syck (); 27use YAML::Syck ();
26use Time::HiRes; 28use Time::HiRes;
27use Compress::LZF; 29use Compress::LZF;
28 30
31Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later 32Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
30
31use Event; $Event::Eval = 1; # no idea why this is required, but it is 33$Event::Eval = 1; # no idea why this is required, but it is
32 34
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 35sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 36
35# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 37# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
36$YAML::Syck::ImplicitUnicode = 1; 38$YAML::Syck::ImplicitUnicode = 1;
… …
43our @EXTS = (); # list of extension package names 45our @EXTS = (); # list of extension package names
44our %EXTCMD = (); 46our %EXTCMD = ();
45our %EXT_CORO = (); # coroutines bound to extensions 47our %EXT_CORO = (); # coroutines bound to extensions
46our %EXT_MAP = (); # pluggable maps 48our %EXT_MAP = (); # pluggable maps
47 49
50our $RELOAD; # number of reloads so far
48our @EVENT; 51our @EVENT;
49our $LIBDIR = datadir . "/ext"; 52our $LIBDIR = datadir . "/ext";
50 53
51our $TICK = MAX_TIME * 1e-6; 54our $TICK = MAX_TIME * 1e-6;
52our $TICK_WATCHER; 55our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 56our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER; 57our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 58our $NEXT_TICK;
56our $NOW; 59our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 60our $USE_FSYNC = 1; # use fsync to write maps - default off
58 61
59our $BDB_POLL_WATCHER; 62our $BDB_POLL_WATCHER;
… …
273sub freeze_mainloop { 276sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 277 return unless $TICK_WATCHER->is_active;
275 278
276 my $guard = Coro::guard { 279 my $guard = Coro::guard {
277 $TICK_WATCHER->start; 280 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 }; 281 };
280 $WRITE_RUNTIME_WATCHER->stop;
281 $TICK_WATCHER->stop; 282 $TICK_WATCHER->stop;
282 $guard 283 $guard
283} 284}
284 285
285=item cf::async { BLOCK } 286=item cf::async { BLOCK }
… …
356 357
357 $coro 358 $coro
358} 359}
359 360
360sub write_runtime { 361sub write_runtime {
361 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1; 362 my $guard = cf::lock_acquire "write_runtime";
362 363
363 my $runtime = cf::localdir . "/runtime"; 364 my $runtime = cf::localdir . "/runtime";
364 365
365 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 366 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
366 or return; 367 or return;
… …
789 } 790 }
790 } else { 791 } else {
791 aio_unlink $filename; 792 aio_unlink $filename;
792 aio_unlink "$filename.pst"; 793 aio_unlink "$filename.pst";
793 } 794 }
794
795 #d##TODO# nuke non .map-files if exist
796 if ($filename =~ s/\.map$//) {
797 aio_unlink $filename;
798 aio_unlink "$filename.pst";
799 }
800 } 795 }
801} 796}
802 797
803sub object_freezer_as_string { 798sub object_freezer_as_string {
804 my ($rdata, $objs) = @_; 799 my ($rdata, $objs) = @_;
… …
810 805
811sub object_thawer_load { 806sub object_thawer_load {
812 my ($filename) = @_; 807 my ($filename) = @_;
813 808
814 my ($data, $av); 809 my ($data, $av);
815
816 #d#TODO remove .map if file does not exist
817 aio_stat $filename and $filename =~ s/\.map$//;
818 810
819 (aio_load $filename, $data) >= 0 811 (aio_load $filename, $data) >= 0
820 or return; 812 or return;
821 813
822 unless (aio_stat "$filename.pst") { 814 unless (aio_stat "$filename.pst") {
… …
1041=cut 1033=cut
1042 1034
1043sub quit_character { 1035sub quit_character {
1044 my ($pl) = @_; 1036 my ($pl) = @_;
1045 1037
1038 my $name = $pl->ob->name;
1039
1046 $pl->{deny_save} = 1; 1040 $pl->{deny_save} = 1;
1047 $pl->password ("*"); # this should lock out the player until we nuked the dir 1041 $pl->password ("*"); # this should lock out the player until we nuked the dir
1048 1042
1049 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1043 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1050 $pl->deactivate; 1044 $pl->deactivate;
… …
1054 my $path = playerdir $pl; 1048 my $path = playerdir $pl;
1055 my $temp = "$path~$cf::RUNTIME~deleting~"; 1049 my $temp = "$path~$cf::RUNTIME~deleting~";
1056 aio_rename $path, $temp; 1050 aio_rename $path, $temp;
1057 delete $cf::PLAYER{$pl->ob->name}; 1051 delete $cf::PLAYER{$pl->ob->name};
1058 $pl->destroy; 1052 $pl->destroy;
1053
1054 my $prefix = qr<^~\Q$name\E/>;
1055
1056 # nuke player maps
1057 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1058
1059 IO::AIO::aio_rmtree $temp; 1059 IO::AIO::aio_rmtree $temp;
1060}
1061
1062=item $pl->kick
1063
1064Kicks a player out of the game. This destroys the connection.
1065
1066=cut
1067
1068sub kick {
1069 my ($pl, $kicker) = @_;
1070
1071 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1072 $pl->killer ("kicked");
1073 $pl->ns->destroy;
1060} 1074}
1061 1075
1062=item cf::player::list_logins 1076=item cf::player::list_logins
1063 1077
1064Returns am arrayref of all valid playernames in the system, can take a 1078Returns am arrayref of all valid playernames in the system, can take a
… …
1309 my ($self) = @_; 1323 my ($self) = @_;
1310 1324
1311 utf8::encode (my $save = $self->save_path); 1325 utf8::encode (my $save = $self->save_path);
1312 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1326 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1313 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1327 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} 1328}
1320 1329
1321sub load_header_from($) { 1330sub load_header_from($) {
1322 my ($self, $path) = @_; 1331 my ($self, $path) = @_;
1323 1332
… …
1822 $map->load; 1831 $map->load;
1823 $map->load_diag; 1832 $map->load_diag;
1824 1833
1825 return unless $self->contr->active; 1834 return unless $self->contr->active;
1826 $self->activate_recursive; 1835 $self->activate_recursive;
1836
1837 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1827 $self->enter_map ($map, $x, $y); 1838 $self->enter_map ($map, $x, $y);
1828} 1839}
1829 1840
1830cf::player->attach ( 1841cf::player->attach (
1831 on_logout => sub { 1842 on_logout => sub {
… …
1844 # try to abort aborted map switching on player login :) 1855 # try to abort aborted map switching on player login :)
1845 # should happen only on crashes 1856 # should happen only on crashes
1846 if ($pl->ob->{_link_pos}) { 1857 if ($pl->ob->{_link_pos}) {
1847 $pl->ob->enter_link; 1858 $pl->ob->enter_link;
1848 (async { 1859 (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, 1860 $pl->ob->reply (undef,
1852 "There was an internal problem at your last logout, " 1861 "There was an internal problem at your last logout, "
1853 . "the server will try to bring you to your intended destination in a second.", 1862 . "the server will try to bring you to your intended destination in a second.",
1854 cf::NDI_RED); 1863 cf::NDI_RED);
1864 # we need this sleep as the login has a concurrent enter_exit running
1865 # and this sleep increases chances of the player not ending up in scorn
1855 Coro::Timer::sleep 1; 1866 Coro::Timer::sleep 1;
1856 $pl->ob->leave_link; 1867 $pl->ob->leave_link;
1857 })->prio (2); 1868 })->prio (2);
1858 } 1869 }
1859 }, 1870 },
… …
1984 1995
1985sub cf::client::send_drawinfo { 1996sub cf::client::send_drawinfo {
1986 my ($self, $text, $flags) = @_; 1997 my ($self, $text, $flags) = @_;
1987 1998
1988 utf8::encode $text; 1999 utf8::encode $text;
1989 $self->send_packet (sprintf "drawinfo %d %s", $flags, $text); 2000 $self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1990} 2001}
1991 2002
1992 2003
1993=item $success = $client->query ($flags, "text", \&cb) 2004=item $success = $client->query ($flags, "text", \&cb)
1994 2005
… …
2258} 2269}
2259 2270
2260############################################################################# 2271#############################################################################
2261# the server's init and main functions 2272# the server's init and main functions
2262 2273
2274sub load_faces {
2275 my $path = sprintf "%s/faces", cf::datadir;
2276
2277 warn "loading faces from $path\n";
2278
2279 my $faces;
2280 0 < aio_load $path, $faces
2281 or die "$path: $!";
2282
2283 Coro::cede;
2284 $faces = Storable::thaw $faces;
2285 Coro::cede;
2286
2287 while (my ($face, $info) = each %$faces) {
2288 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2289 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2290 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2291 Coro::cede;
2292 }
2293
2294 while (my ($face, $info) = each %$faces) {
2295 next unless $info->{smooth};
2296 my $idx = cf::face::find $face
2297 or next;
2298 if (my $smooth = cf::face::find $info->{smooth}) {
2299 cf::face::set_smooth $idx, $smooth;
2300 warn "smooth $idx,$smooth ($face,$info->{smooth})\n";#d#
2301 } else {
2302 warn "smooth face '$info->{smooth}' not found for face '$face'";
2303 }
2304 Coro::cede;
2305 }
2306
2307 1
2308}
2309
2263sub load_resources { 2310sub reload_resources {
2264 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2311 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2265 or die "unable to load regions file\n";#d# 2312 or die "unable to load regions file\n";#d#
2313 load_faces
2314 or die "unable to load faces\n";#d#
2315}
2316
2317sub init {
2318 reload_resources;
2266} 2319}
2267 2320
2268sub cfg_load { 2321sub cfg_load {
2269 open my $fh, "<:utf8", cf::confdir . "/config" 2322 open my $fh, "<:utf8", cf::confdir . "/config"
2270 or return; 2323 or return;
… …
2282 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2335 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2283 and die "WARNING: m(un)lockall failed: $!\n"; 2336 and die "WARNING: m(un)lockall failed: $!\n";
2284 }; 2337 };
2285 warn $@ if $@; 2338 warn $@ if $@;
2286 } 2339 }
2287}
2288
2289sub init {
2290 load_resources;
2291} 2340}
2292 2341
2293sub main { 2342sub main {
2294 # we must not ever block the main coroutine 2343 # we must not ever block the main coroutine
2295 local $Coro::idle = sub { 2344 local $Coro::idle = sub {
… …
2372 return; 2421 return;
2373 } 2422 }
2374 2423
2375 warn "reloading..."; 2424 warn "reloading...";
2376 2425
2377 warn "cancelling server ticker"; 2426 warn "entering sync_job";
2378 $TICK_WATCHER->cancel;
2379 2427
2428 cf::sync_job {
2429 cf::write_runtime; # external watchdog should not bark
2380 cf::emergency_save; 2430 cf::emergency_save;
2431 cf::write_runtime; # external watchdog should not bark
2381 2432
2382 eval { 2433 warn "syncing database to disk";
2434 BDB::db_env_txn_checkpoint $DB_ENV;
2435
2383 # if anything goes wrong in here, we should simply crash as we already saved 2436 # if anything goes wrong in here, we should simply crash as we already saved
2384 2437
2385 warn "cancelling all WF_AUTOCANCEL watchers"; 2438 warn "cancelling all WF_AUTOCANCEL watchers";
2386 for (Event::all_watchers) { 2439 for (Event::all_watchers) {
2387 $_->cancel if $_->data & WF_AUTOCANCEL; 2440 $_->cancel if $_->data & WF_AUTOCANCEL;
2388 } 2441 }
2389
2390 warn "syncing database to disk";
2391 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2392 2442
2393 warn "flushing outstanding aio requests"; 2443 warn "flushing outstanding aio requests";
2394 for (;;) { 2444 for (;;) {
2395 BDB::flush; 2445 BDB::flush;
2396 IO::AIO::flush; 2446 IO::AIO::flush;
2397 Coro::cede; 2447 Coro::cede;
2398 last unless IO::AIO::nreqs || BDB::nreqs; 2448 last unless IO::AIO::nreqs || BDB::nreqs;
2399 warn "iterate..."; 2449 warn "iterate...";
2400 } 2450 }
2401 2451
2452 ++$RELOAD;
2453
2402 warn "cancelling all extension coros"; 2454 warn "cancelling all extension coros";
2403 $_->cancel for values %EXT_CORO; 2455 $_->cancel for values %EXT_CORO;
2404 %EXT_CORO = (); 2456 %EXT_CORO = ();
2405 2457
2406 warn "removing commands"; 2458 warn "removing commands";
… …
2463 2515
2464 warn "loading extensions"; 2516 warn "loading extensions";
2465 cf::load_extensions; 2517 cf::load_extensions;
2466 2518
2467 warn "reattaching attachments to objects/players"; 2519 warn "reattaching attachments to objects/players";
2468 _global_reattach; 2520 _global_reattach; # objects, sockets
2469 warn "reattaching attachments to maps"; 2521 warn "reattaching attachments to maps";
2470 reattach $_ for values %MAP; 2522 reattach $_ for values %MAP;
2523 warn "reattaching attachments to players";
2524 reattach $_ for values %PLAYER;
2471 2525
2472 warn "loading reloadable resources"; 2526 warn "loading reloadable resources";
2473 load_resources; 2527 reload_resources;
2474 2528
2475 warn "restarting server ticker"; 2529 warn "leaving sync_job";
2476 2530
2477 $TICK_WATCHER->start; 2531 1
2478 }; 2532 } or do {
2479
2480 if ($@) {
2481 warn $@; 2533 warn $@;
2482 warn "error while reloading, exiting."; 2534 warn "error while reloading, exiting.";
2483 exit 1; 2535 exit 1;
2484 } 2536 };
2485 2537
2486 warn "reloaded"; 2538 warn "reloaded";
2487}; 2539};
2488 2540
2489our $RELOAD_WATCHER; # used only during reload 2541our $RELOAD_WATCHER; # used only during reload
… …
2530 2582
2531 cf::server_tick; # one server iteration 2583 cf::server_tick; # one server iteration
2532 $RUNTIME += $TICK; 2584 $RUNTIME += $TICK;
2533 $NEXT_TICK += $TICK; 2585 $NEXT_TICK += $TICK;
2534 2586
2587 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2588 $NEXT_RUNTIME_WRITE = $NOW + 10;
2589 Coro::async_pool {
2590 write_runtime
2591 or warn "ERROR: unable to write runtime file: $!";
2592 };
2593 }
2594
2535 $WAIT_FOR_TICK->broadcast; 2595 $WAIT_FOR_TICK->broadcast;
2536 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2596 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2537 2597
2538 Event::sweep;
2539 Coro::cede_notself;
2540
2541# my $AFTER = Event::time; 2598# my $AFTER = Event::time;
2542# warn $AFTER - $NOW;#d# 2599# warn $AFTER - $NOW;#d#
2543 2600
2544 # if we are delayed by four ticks or more, skip them all 2601 # if we are delayed by four ticks or more, skip them all
2545 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2602 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
… …
2604 2661
2605 undef $Coro::AIO::WATCHER; 2662 undef $Coro::AIO::WATCHER;
2606 IO::AIO::max_poll_time $TICK * 0.1; 2663 IO::AIO::max_poll_time $TICK * 0.1;
2607 $AIO_POLL_WATCHER = Event->io ( 2664 $AIO_POLL_WATCHER = Event->io (
2608 reentrant => 0, 2665 reentrant => 0,
2666 data => WF_AUTOCANCEL,
2609 fd => IO::AIO::poll_fileno, 2667 fd => IO::AIO::poll_fileno,
2610 poll => 'r', 2668 poll => 'r',
2611 prio => 6, 2669 prio => 6,
2612 data => WF_AUTOCANCEL,
2613 cb => \&IO::AIO::poll_cb, 2670 cb => \&IO::AIO::poll_cb,
2614 ); 2671 );
2615} 2672}
2616 2673
2617$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 } 2674END { cf::emergency_save }
2630 2675
26311 26761
2632 2677

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