… | |
… | |
49 | our $LIBDIR = datadir . "/ext"; |
49 | our $LIBDIR = datadir . "/ext"; |
50 | |
50 | |
51 | our $TICK = MAX_TIME * 1e-6; |
51 | our $TICK = MAX_TIME * 1e-6; |
52 | our $TICK_WATCHER; |
52 | our $TICK_WATCHER; |
53 | our $AIO_POLL_WATCHER; |
53 | our $AIO_POLL_WATCHER; |
54 | our $WRITE_RUNTIME_WATCHER; |
54 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
55 | our $NEXT_TICK; |
55 | our $NEXT_TICK; |
56 | our $NOW; |
56 | our $NOW; |
57 | our $USE_FSYNC = 1; # use fsync to write maps - default off |
57 | our $USE_FSYNC = 1; # use fsync to write maps - default off |
58 | |
58 | |
59 | our $BDB_POLL_WATCHER; |
59 | our $BDB_POLL_WATCHER; |
… | |
… | |
273 | sub freeze_mainloop { |
273 | sub 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 | |
360 | sub write_runtime { |
358 | sub 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 | |
801 | sub object_freezer_as_string { |
795 | sub object_freezer_as_string { |
802 | my ($rdata, $objs) = @_; |
796 | my ($rdata, $objs) = @_; |
… | |
… | |
808 | |
802 | |
809 | sub object_thawer_load { |
803 | sub object_thawer_load { |
810 | my ($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 "$filename.pst") { |
… | |
… | |
1307 | my ($self) = @_; |
1298 | my ($self) = @_; |
1308 | |
1299 | |
1309 | utf8::encode (my $save = $self->save_path); |
1300 | utf8::encode (my $save = $self->save_path); |
1310 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
1301 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
1311 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
1302 | 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 | } |
1303 | } |
1318 | |
1304 | |
1319 | sub load_header_from($) { |
1305 | sub load_header_from($) { |
1320 | my ($self, $path) = @_; |
1306 | my ($self, $path) = @_; |
1321 | |
1307 | |
… | |
… | |
1820 | $map->load; |
1806 | $map->load; |
1821 | $map->load_diag; |
1807 | $map->load_diag; |
1822 | |
1808 | |
1823 | return unless $self->contr->active; |
1809 | return unless $self->contr->active; |
1824 | $self->activate_recursive; |
1810 | $self->activate_recursive; |
|
|
1811 | |
|
|
1812 | local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext |
1825 | $self->enter_map ($map, $x, $y); |
1813 | $self->enter_map ($map, $x, $y); |
1826 | } |
1814 | } |
1827 | |
1815 | |
1828 | cf::player->attach ( |
1816 | cf::player->attach ( |
1829 | on_logout => sub { |
1817 | on_logout => sub { |
… | |
… | |
1842 | # try to abort aborted map switching on player login :) |
1830 | # try to abort aborted map switching on player login :) |
1843 | # should happen only on crashes |
1831 | # should happen only on crashes |
1844 | if ($pl->ob->{_link_pos}) { |
1832 | if ($pl->ob->{_link_pos}) { |
1845 | $pl->ob->enter_link; |
1833 | $pl->ob->enter_link; |
1846 | (async { |
1834 | (async { |
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 |
|
|
1849 | $pl->ob->reply (undef, |
1835 | $pl->ob->reply (undef, |
1850 | "There was an internal problem at your last logout, " |
1836 | "There was an internal problem at your last logout, " |
1851 | . "the server will try to bring you to your intended destination in a second.", |
1837 | . "the server will try to bring you to your intended destination in a second.", |
1852 | cf::NDI_RED); |
1838 | cf::NDI_RED); |
|
|
1839 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1840 | # and this sleep increases chances of the player not ending up in scorn |
1853 | Coro::Timer::sleep 1; |
1841 | Coro::Timer::sleep 1; |
1854 | $pl->ob->leave_link; |
1842 | $pl->ob->leave_link; |
1855 | })->prio (2); |
1843 | })->prio (2); |
1856 | } |
1844 | } |
1857 | }, |
1845 | }, |
… | |
… | |
2256 | } |
2244 | } |
2257 | |
2245 | |
2258 | ############################################################################# |
2246 | ############################################################################# |
2259 | # the server's init and main functions |
2247 | # the server's init and main functions |
2260 | |
2248 | |
2261 | sub load_resources { |
2249 | sub init_resources { |
2262 | load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
2250 | load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
2263 | or die "unable to load regions file\n";#d# |
2251 | or die "unable to load regions file\n";#d# |
2264 | } |
2252 | } |
2265 | |
2253 | |
2266 | sub cfg_load { |
2254 | sub cfg_load { |
2267 | open my $fh, "<:utf8", cf::confdir . "/config" |
2255 | open my $fh, "<:utf8", cf::confdir . "/config" |
… | |
… | |
2283 | warn $@ if $@; |
2271 | warn $@ if $@; |
2284 | } |
2272 | } |
2285 | } |
2273 | } |
2286 | |
2274 | |
2287 | sub init { |
2275 | sub init { |
2288 | load_resources; |
2276 | init_resources; |
2289 | } |
2277 | } |
2290 | |
2278 | |
2291 | sub main { |
2279 | sub main { |
2292 | # we must not ever block the main coroutine |
2280 | # we must not ever block the main coroutine |
2293 | local $Coro::idle = sub { |
2281 | local $Coro::idle = sub { |
… | |
… | |
2354 | }; |
2342 | }; |
2355 | |
2343 | |
2356 | warn "leave emergency perl save\n"; |
2344 | warn "leave emergency perl save\n"; |
2357 | } |
2345 | } |
2358 | |
2346 | |
|
|
2347 | sub post_cleanup { |
|
|
2348 | my ($make_core) = @_; |
|
|
2349 | |
|
|
2350 | warn Carp::longmess "post_cleanup backtrace" |
|
|
2351 | if $make_core; |
|
|
2352 | } |
|
|
2353 | |
2359 | sub reload() { |
2354 | sub reload() { |
2360 | # can/must only be called in main |
2355 | # can/must only be called in main |
2361 | if ($Coro::current != $Coro::main) { |
2356 | if ($Coro::current != $Coro::main) { |
2362 | warn "can only reload from main coroutine"; |
2357 | warn "can only reload from main coroutine"; |
2363 | return; |
2358 | return; |
2364 | } |
2359 | } |
2365 | |
2360 | |
2366 | warn "reloading..."; |
2361 | warn "reloading..."; |
2367 | |
2362 | |
2368 | warn "cancelling server ticker"; |
2363 | warn "entering sync_job"; |
2369 | $TICK_WATCHER->cancel; |
|
|
2370 | |
2364 | |
|
|
2365 | cf::sync_job { |
|
|
2366 | cf::write_runtime; # external watchdog should not bark |
2371 | cf::emergency_save; |
2367 | cf::emergency_save; |
|
|
2368 | cf::write_runtime; # external watchdog should not bark |
2372 | |
2369 | |
2373 | eval { |
2370 | warn "syncing database to disk"; |
|
|
2371 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2372 | |
2374 | # if anything goes wrong in here, we should simply crash as we already saved |
2373 | # if anything goes wrong in here, we should simply crash as we already saved |
2375 | |
2374 | |
2376 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2375 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2377 | for (Event::all_watchers) { |
2376 | for (Event::all_watchers) { |
2378 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2377 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2379 | } |
2378 | } |
2380 | |
|
|
2381 | warn "syncing database to disk"; |
|
|
2382 | BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; |
|
|
2383 | |
2379 | |
2384 | warn "flushing outstanding aio requests"; |
2380 | warn "flushing outstanding aio requests"; |
2385 | for (;;) { |
2381 | for (;;) { |
2386 | BDB::flush; |
2382 | BDB::flush; |
2387 | IO::AIO::flush; |
2383 | IO::AIO::flush; |
… | |
… | |
2459 | _global_reattach; |
2455 | _global_reattach; |
2460 | warn "reattaching attachments to maps"; |
2456 | warn "reattaching attachments to maps"; |
2461 | reattach $_ for values %MAP; |
2457 | reattach $_ for values %MAP; |
2462 | |
2458 | |
2463 | warn "loading reloadable resources"; |
2459 | warn "loading reloadable resources"; |
2464 | load_resources; |
2460 | init_resources; |
2465 | |
2461 | |
2466 | warn "restarting server ticker"; |
2462 | warn "leaving sync_job"; |
2467 | |
2463 | |
2468 | $TICK_WATCHER->start; |
2464 | 1 |
2469 | }; |
2465 | } or do { |
2470 | |
|
|
2471 | if ($@) { |
|
|
2472 | warn $@; |
2466 | warn $@; |
2473 | warn "error while reloading, exiting."; |
2467 | warn "error while reloading, exiting."; |
2474 | exit 1; |
2468 | exit 1; |
2475 | } |
2469 | }; |
2476 | |
2470 | |
2477 | warn "reloaded"; |
2471 | warn "reloaded"; |
2478 | }; |
2472 | }; |
2479 | |
2473 | |
2480 | our $RELOAD_WATCHER; # used only during reload |
2474 | our $RELOAD_WATCHER; # used only during reload |
… | |
… | |
2521 | |
2515 | |
2522 | cf::server_tick; # one server iteration |
2516 | cf::server_tick; # one server iteration |
2523 | $RUNTIME += $TICK; |
2517 | $RUNTIME += $TICK; |
2524 | $NEXT_TICK += $TICK; |
2518 | $NEXT_TICK += $TICK; |
2525 | |
2519 | |
|
|
2520 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
|
|
2521 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
|
|
2522 | Coro::async_pool { |
|
|
2523 | write_runtime |
|
|
2524 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2525 | }; |
|
|
2526 | } |
|
|
2527 | |
2526 | $WAIT_FOR_TICK->broadcast; |
2528 | $WAIT_FOR_TICK->broadcast; |
2527 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2529 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2528 | |
2530 | |
2529 | Event::sweep; |
|
|
2530 | Coro::cede_notself; |
|
|
2531 | |
|
|
2532 | # my $AFTER = Event::time; |
2531 | # my $AFTER = Event::time; |
2533 | # warn $AFTER - $NOW;#d# |
2532 | # warn $AFTER - $NOW;#d# |
2534 | |
2533 | |
2535 | # if we are delayed by four ticks or more, skip them all |
2534 | # if we are delayed by four ticks or more, skip them all |
2536 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2535 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
… | |
… | |
2595 | |
2594 | |
2596 | undef $Coro::AIO::WATCHER; |
2595 | undef $Coro::AIO::WATCHER; |
2597 | IO::AIO::max_poll_time $TICK * 0.1; |
2596 | IO::AIO::max_poll_time $TICK * 0.1; |
2598 | $AIO_POLL_WATCHER = Event->io ( |
2597 | $AIO_POLL_WATCHER = Event->io ( |
2599 | reentrant => 0, |
2598 | reentrant => 0, |
|
|
2599 | data => WF_AUTOCANCEL, |
2600 | fd => IO::AIO::poll_fileno, |
2600 | fd => IO::AIO::poll_fileno, |
2601 | poll => 'r', |
2601 | poll => 'r', |
2602 | prio => 6, |
2602 | prio => 6, |
2603 | data => WF_AUTOCANCEL, |
|
|
2604 | cb => \&IO::AIO::poll_cb, |
2603 | cb => \&IO::AIO::poll_cb, |
2605 | ); |
2604 | ); |
2606 | } |
2605 | } |
2607 | |
2606 | |
2608 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
|
|
2609 | reentrant => 0, |
|
|
2610 | data => WF_AUTOCANCEL, |
|
|
2611 | after => 1, |
|
|
2612 | interval => 10, |
|
|
2613 | prio => 6, # keep it lowest so it acts like a watchdog |
|
|
2614 | cb => Coro::unblock_sub { |
|
|
2615 | write_runtime |
|
|
2616 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2617 | }, |
|
|
2618 | ); |
|
|
2619 | |
|
|
2620 | END { cf::emergency_save } |
2607 | END { cf::emergency_save } |
2621 | |
2608 | |
2622 | 1 |
2609 | 1 |
2623 | |
2610 | |