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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.209 by root, Mon Feb 12 01:25:55 2007 UTC vs.
Revision 1.220 by root, Sat Feb 17 23:54:35 2007 UTC

49our $LIBDIR = datadir . "/ext"; 49our $LIBDIR = datadir . "/ext";
50 50
51our $TICK = MAX_TIME * 1e-6; 51our $TICK = MAX_TIME * 1e-6;
52our $TICK_WATCHER; 52our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 53our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER; 54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 55our $NEXT_TICK;
56our $NOW; 56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 57our $USE_FSYNC = 1; # use fsync to write maps - default off
58 58
59our $BDB_POLL_WATCHER; 59our $BDB_POLL_WATCHER;
273sub freeze_mainloop { 273sub freeze_mainloop {
274 return unless $TICK_WATCHER->is_active; 274 return unless $TICK_WATCHER->is_active;
275 275
276 my $guard = Coro::guard { 276 my $guard = Coro::guard {
277 $TICK_WATCHER->start; 277 $TICK_WATCHER->start;
278 $WRITE_RUNTIME_WATCHER->start;
279 }; 278 };
280 $WRITE_RUNTIME_WATCHER->stop;
281 $TICK_WATCHER->stop; 279 $TICK_WATCHER->stop;
282 $guard 280 $guard
283} 281}
284 282
285=item cf::async { BLOCK } 283=item cf::async { BLOCK }
356 354
357 $coro 355 $coro
358} 356}
359 357
360sub write_runtime { 358sub write_runtime {
359 my $guard = cf::lock_acquire "write_runtime";
360
361 my $runtime = cf::localdir . "/runtime"; 361 my $runtime = cf::localdir . "/runtime";
362 362
363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 363 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
364 or return; 364 or return;
365 365
787 } 787 }
788 } else { 788 } else {
789 aio_unlink $filename; 789 aio_unlink $filename;
790 aio_unlink "$filename.pst"; 790 aio_unlink "$filename.pst";
791 } 791 }
792
793 #d##TODO# nuke non .map-files if exist
794 if ($filename =~ s/\.map$//) {
795 aio_unlink $filename;
796 aio_unlink "$filename.pst";
797 }
798 } 792 }
799} 793}
800 794
801sub object_freezer_as_string { 795sub object_freezer_as_string {
802 my ($rdata, $objs) = @_; 796 my ($rdata, $objs) = @_;
808 802
809sub object_thawer_load { 803sub object_thawer_load {
810 my ($filename) = @_; 804 my ($filename) = @_;
811 805
812 my ($data, $av); 806 my ($data, $av);
813
814 #d#TODO remove .map if file does not exist
815 aio_stat $filename and $filename =~ s/\.map$//;
816 807
817 (aio_load $filename, $data) >= 0 808 (aio_load $filename, $data) >= 0
818 or return; 809 or return;
819 810
820 unless (aio_stat "$filename.pst") { 811 unless (aio_stat "$filename.pst") {
1039=cut 1030=cut
1040 1031
1041sub quit_character { 1032sub quit_character {
1042 my ($pl) = @_; 1033 my ($pl) = @_;
1043 1034
1035 my $name = $pl->ob->name;
1036
1044 $pl->{deny_save} = 1; 1037 $pl->{deny_save} = 1;
1045 $pl->password ("*"); # this should lock out the player until we nuked the dir 1038 $pl->password ("*"); # this should lock out the player until we nuked the dir
1046 1039
1047 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1040 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1048 $pl->deactivate; 1041 $pl->deactivate;
1052 my $path = playerdir $pl; 1045 my $path = playerdir $pl;
1053 my $temp = "$path~$cf::RUNTIME~deleting~"; 1046 my $temp = "$path~$cf::RUNTIME~deleting~";
1054 aio_rename $path, $temp; 1047 aio_rename $path, $temp;
1055 delete $cf::PLAYER{$pl->ob->name}; 1048 delete $cf::PLAYER{$pl->ob->name};
1056 $pl->destroy; 1049 $pl->destroy;
1050
1051 my $prefix = qr<^~\Q$name\E/>;
1052
1053 # nuke player maps
1054 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1055
1057 IO::AIO::aio_rmtree $temp; 1056 IO::AIO::aio_rmtree $temp;
1058} 1057}
1059 1058
1060=item cf::player::list_logins 1059=item cf::player::list_logins
1061 1060
1307 my ($self) = @_; 1306 my ($self) = @_;
1308 1307
1309 utf8::encode (my $save = $self->save_path); 1308 utf8::encode (my $save = $self->save_path);
1310 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1309 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1311 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1310 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} 1311}
1318 1312
1319sub load_header_from($) { 1313sub load_header_from($) {
1320 my ($self, $path) = @_; 1314 my ($self, $path) = @_;
1321 1315
1609 return if $self->players; 1603 return if $self->players;
1610 return if $self->isa ("ext::map_per_player");#d# 1604 return if $self->isa ("ext::map_per_player");#d#
1611 1605
1612 warn "resetting map ", $self->path;#d# 1606 warn "resetting map ", $self->path;#d#
1613 1607
1608 $self->in_memory (cf::MAP_SWAPPED);
1609
1610 # need to save uniques path
1611 unless ($self->{deny_save}) {
1612 my $uniq = $self->uniq_path; utf8::encode $uniq;
1613
1614 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1615 if $uniq;
1616 }
1617
1614 delete $cf::MAP{$self->path}; 1618 delete $cf::MAP{$self->path};
1615 1619
1616 $self->in_memory (cf::MAP_SWAPPED);
1617 $self->clear; 1620 $self->clear;
1618 1621
1619 $_->clear_links_to ($self) for values %cf::MAP; 1622 $_->clear_links_to ($self) for values %cf::MAP;
1620 1623
1621 $self->unlink_save; 1624 $self->unlink_save;
1811 $map->load; 1814 $map->load;
1812 $map->load_diag; 1815 $map->load_diag;
1813 1816
1814 return unless $self->contr->active; 1817 return unless $self->contr->active;
1815 $self->activate_recursive; 1818 $self->activate_recursive;
1819
1820 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1816 $self->enter_map ($map, $x, $y); 1821 $self->enter_map ($map, $x, $y);
1817} 1822}
1818 1823
1819cf::player->attach ( 1824cf::player->attach (
1820 on_logout => sub { 1825 on_logout => sub {
1833 # try to abort aborted map switching on player login :) 1838 # try to abort aborted map switching on player login :)
1834 # should happen only on crashes 1839 # should happen only on crashes
1835 if ($pl->ob->{_link_pos}) { 1840 if ($pl->ob->{_link_pos}) {
1836 $pl->ob->enter_link; 1841 $pl->ob->enter_link;
1837 (async { 1842 (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, 1843 $pl->ob->reply (undef,
1841 "There was an internal problem at your last logout, " 1844 "There was an internal problem at your last logout, "
1842 . "the server will try to bring you to your intended destination in a second.", 1845 . "the server will try to bring you to your intended destination in a second.",
1843 cf::NDI_RED); 1846 cf::NDI_RED);
1847 # we need this sleep as the login has a concurrent enter_exit running
1848 # and this sleep increases chances of the player not ending up in scorn
1844 Coro::Timer::sleep 1; 1849 Coro::Timer::sleep 1;
1845 $pl->ob->leave_link; 1850 $pl->ob->leave_link;
1846 })->prio (2); 1851 })->prio (2);
1847 } 1852 }
1848 }, 1853 },
2197 2202
2198=cut 2203=cut
2199 2204
2200our $DB; 2205our $DB;
2201 2206
2207sub db_init {
2202unless ($DB) { 2208 unless ($DB) {
2203 $DB = BDB::db_create $DB_ENV; 2209 $DB = BDB::db_create $DB_ENV;
2204 2210
2205 cf::sync_job { 2211 cf::sync_job {
2206 eval { 2212 eval {
2207 $DB->set_flags (BDB::CHKSUM); 2213 $DB->set_flags (BDB::CHKSUM);
2208 2214
2209 BDB::db_open $DB, undef, "db", undef, BDB::BTREE, 2215 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2210 BDB::CREATE | BDB::AUTO_COMMIT, 0666; 2216 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2211 cf::cleanup "db_open(db): $!" if $!; 2217 cf::cleanup "db_open(db): $!" if $!;
2218 };
2219 cf::cleanup "db_open(db): $@" if $@;
2212 }; 2220 };
2213 cf::cleanup "db_open(db): $@" if $@;
2214 };
2215 2221
2216 my $path = cf::localdir . "/database.pst"; 2222 my $path = cf::localdir . "/database.pst";
2217 if (stat $path) { 2223 if (stat $path) {
2218 cf::sync_job { 2224 cf::sync_job {
2219 my $pst = Storable::retrieve $path; 2225 my $pst = Storable::retrieve $path;
2220 2226
2221 cf::db_put (board => data => $pst->{board}); 2227 cf::db_put (board => data => $pst->{board});
2222 cf::db_put (guildrules => data => $pst->{guildrules}); 2228 cf::db_put (guildrules => data => $pst->{guildrules});
2223 cf::db_put (rent => balance => $pst->{rent}{balance}); 2229 cf::db_put (rent => balance => $pst->{rent}{balance});
2224 BDB::db_env_txn_checkpoint $DB_ENV; 2230 BDB::db_env_txn_checkpoint $DB_ENV;
2225 2231
2226 unlink $path; 2232 unlink $path;
2233 };
2227 }; 2234 }
2228 } 2235 }
2229} 2236}
2230 2237
2231sub db_get($$) { 2238sub db_get($$) {
2232 my $key = "$_[0]/$_[1]"; 2239 my $key = "$_[0]/$_[1]";
2245} 2252}
2246 2253
2247############################################################################# 2254#############################################################################
2248# the server's init and main functions 2255# the server's init and main functions
2249 2256
2250sub load_resources { 2257sub init_resources {
2251 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2258 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2252 or die "unable to load regions file\n";#d# 2259 or die "unable to load regions file\n";#d#
2253} 2260}
2254 2261
2255sub cfg_load { 2262sub cfg_load {
2256 open my $fh, "<:utf8", cf::confdir . "/config" 2263 open my $fh, "<:utf8", cf::confdir . "/config"
2272 warn $@ if $@; 2279 warn $@ if $@;
2273 } 2280 }
2274} 2281}
2275 2282
2276sub init { 2283sub init {
2277 load_resources; 2284 init_resources;
2278} 2285}
2279 2286
2280sub main { 2287sub main {
2281 # we must not ever block the main coroutine 2288 # we must not ever block the main coroutine
2282 local $Coro::idle = sub { 2289 local $Coro::idle = sub {
2285 Event::one_event; 2292 Event::one_event;
2286 })->prio (Coro::PRIO_MAX); 2293 })->prio (Coro::PRIO_MAX);
2287 }; 2294 };
2288 2295
2289 cfg_load; 2296 cfg_load;
2297 db_init;
2290 load_extensions; 2298 load_extensions;
2291 2299
2292 $TICK_WATCHER->start; 2300 $TICK_WATCHER->start;
2293 Event::loop; 2301 Event::loop;
2294} 2302}
2342 }; 2350 };
2343 2351
2344 warn "leave emergency perl save\n"; 2352 warn "leave emergency perl save\n";
2345} 2353}
2346 2354
2355sub post_cleanup {
2356 my ($make_core) = @_;
2357
2358 warn Carp::longmess "post_cleanup backtrace"
2359 if $make_core;
2360}
2361
2347sub reload() { 2362sub reload() {
2348 # can/must only be called in main 2363 # can/must only be called in main
2349 if ($Coro::current != $Coro::main) { 2364 if ($Coro::current != $Coro::main) {
2350 warn "can only reload from main coroutine"; 2365 warn "can only reload from main coroutine";
2351 return; 2366 return;
2352 } 2367 }
2353 2368
2354 warn "reloading..."; 2369 warn "reloading...";
2355 2370
2356 warn "cancelling server ticker"; 2371 warn "entering sync_job";
2357 $TICK_WATCHER->cancel;
2358 2372
2373 cf::sync_job {
2374 cf::write_runtime; # external watchdog should not bark
2359 cf::emergency_save; 2375 cf::emergency_save;
2376 cf::write_runtime; # external watchdog should not bark
2360 2377
2361 eval { 2378 warn "syncing database to disk";
2379 BDB::db_env_txn_checkpoint $DB_ENV;
2380
2362 # if anything goes wrong in here, we should simply crash as we already saved 2381 # if anything goes wrong in here, we should simply crash as we already saved
2363 2382
2364 warn "cancelling all WF_AUTOCANCEL watchers"; 2383 warn "cancelling all WF_AUTOCANCEL watchers";
2365 for (Event::all_watchers) { 2384 for (Event::all_watchers) {
2366 $_->cancel if $_->data & WF_AUTOCANCEL; 2385 $_->cancel if $_->data & WF_AUTOCANCEL;
2367 } 2386 }
2368
2369 warn "syncing database to disk";
2370 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2371 2387
2372 warn "flushing outstanding aio requests"; 2388 warn "flushing outstanding aio requests";
2373 for (;;) { 2389 for (;;) {
2374 BDB::flush; 2390 BDB::flush;
2375 IO::AIO::flush; 2391 IO::AIO::flush;
2447 _global_reattach; 2463 _global_reattach;
2448 warn "reattaching attachments to maps"; 2464 warn "reattaching attachments to maps";
2449 reattach $_ for values %MAP; 2465 reattach $_ for values %MAP;
2450 2466
2451 warn "loading reloadable resources"; 2467 warn "loading reloadable resources";
2452 load_resources; 2468 init_resources;
2453 2469
2454 warn "restarting server ticker"; 2470 warn "leaving sync_job";
2455 2471
2456 $TICK_WATCHER->start; 2472 1
2457 }; 2473 } or do {
2458
2459 if ($@) {
2460 warn $@; 2474 warn $@;
2461 warn "error while reloading, exiting."; 2475 warn "error while reloading, exiting.";
2462 exit 1; 2476 exit 1;
2463 } 2477 };
2464 2478
2465 warn "reloaded"; 2479 warn "reloaded";
2466}; 2480};
2467 2481
2468our $RELOAD_WATCHER; # used only during reload 2482our $RELOAD_WATCHER; # used only during reload
2509 2523
2510 cf::server_tick; # one server iteration 2524 cf::server_tick; # one server iteration
2511 $RUNTIME += $TICK; 2525 $RUNTIME += $TICK;
2512 $NEXT_TICK += $TICK; 2526 $NEXT_TICK += $TICK;
2513 2527
2528 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2529 $NEXT_RUNTIME_WRITE = $NOW + 10;
2530 Coro::async_pool {
2531 write_runtime
2532 or warn "ERROR: unable to write runtime file: $!";
2533 };
2534 }
2535
2514 $WAIT_FOR_TICK->broadcast; 2536 $WAIT_FOR_TICK->broadcast;
2515 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2537 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2516 2538
2517 Event::sweep;
2518 Coro::cede_notself;
2519
2520# my $AFTER = Event::time; 2539# my $AFTER = Event::time;
2521# warn $AFTER - $NOW;#d# 2540# warn $AFTER - $NOW;#d#
2522 2541
2523 # if we are delayed by four ticks or more, skip them all 2542 # if we are delayed by four ticks or more, skip them all
2524 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2543 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2583 2602
2584 undef $Coro::AIO::WATCHER; 2603 undef $Coro::AIO::WATCHER;
2585 IO::AIO::max_poll_time $TICK * 0.1; 2604 IO::AIO::max_poll_time $TICK * 0.1;
2586 $AIO_POLL_WATCHER = Event->io ( 2605 $AIO_POLL_WATCHER = Event->io (
2587 reentrant => 0, 2606 reentrant => 0,
2607 data => WF_AUTOCANCEL,
2588 fd => IO::AIO::poll_fileno, 2608 fd => IO::AIO::poll_fileno,
2589 poll => 'r', 2609 poll => 'r',
2590 prio => 6, 2610 prio => 6,
2591 data => WF_AUTOCANCEL,
2592 cb => \&IO::AIO::poll_cb, 2611 cb => \&IO::AIO::poll_cb,
2593 ); 2612 );
2594} 2613}
2595 2614
2596$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 } 2615END { cf::emergency_save }
2609 2616
26101 26171
2611 2618

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