… | |
… | |
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 } |
… | |
… | |
787 | } |
785 | } |
788 | } else { |
786 | } else { |
789 | aio_unlink $filename; |
787 | aio_unlink $filename; |
790 | aio_unlink "$filename.pst"; |
788 | aio_unlink "$filename.pst"; |
791 | } |
789 | } |
792 | |
|
|
793 | #d##TODO# nuke non .map-files if exist |
|
|
794 | if ($filename =~ s/\.map$//) { |
|
|
795 | aio_unlink $filename; |
|
|
796 | aio_unlink "$filename.pst"; |
|
|
797 | } |
|
|
798 | } |
790 | } |
799 | } |
791 | } |
800 | |
792 | |
801 | sub object_freezer_as_string { |
793 | sub object_freezer_as_string { |
802 | my ($rdata, $objs) = @_; |
794 | my ($rdata, $objs) = @_; |
… | |
… | |
808 | |
800 | |
809 | sub object_thawer_load { |
801 | sub object_thawer_load { |
810 | my ($filename) = @_; |
802 | my ($filename) = @_; |
811 | |
803 | |
812 | my ($data, $av); |
804 | my ($data, $av); |
813 | |
|
|
814 | #d#TODO remove .map if file does not exist |
|
|
815 | aio_stat $filename and $filename =~ s/\.map$//; |
|
|
816 | |
805 | |
817 | (aio_load $filename, $data) >= 0 |
806 | (aio_load $filename, $data) >= 0 |
818 | or return; |
807 | or return; |
819 | |
808 | |
820 | unless (aio_stat "$filename.pst") { |
809 | unless (aio_stat "$filename.pst") { |
… | |
… | |
1307 | my ($self) = @_; |
1296 | my ($self) = @_; |
1308 | |
1297 | |
1309 | utf8::encode (my $save = $self->save_path); |
1298 | utf8::encode (my $save = $self->save_path); |
1310 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
1299 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
1311 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
1300 | 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 | } |
1301 | } |
1318 | |
1302 | |
1319 | sub load_header_from($) { |
1303 | sub load_header_from($) { |
1320 | my ($self, $path) = @_; |
1304 | my ($self, $path) = @_; |
1321 | |
1305 | |
… | |
… | |
1609 | return if $self->players; |
1593 | return if $self->players; |
1610 | return if $self->isa ("ext::map_per_player");#d# |
1594 | return if $self->isa ("ext::map_per_player");#d# |
1611 | |
1595 | |
1612 | warn "resetting map ", $self->path;#d# |
1596 | warn "resetting map ", $self->path;#d# |
1613 | |
1597 | |
|
|
1598 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1599 | |
|
|
1600 | # need to save uniques path |
|
|
1601 | unless ($self->{deny_save}) { |
|
|
1602 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
1603 | |
|
|
1604 | $self->_save_objects ($uniq, cf::IO_UNIQUES) |
|
|
1605 | if $uniq; |
|
|
1606 | } |
|
|
1607 | |
1614 | delete $cf::MAP{$self->path}; |
1608 | delete $cf::MAP{$self->path}; |
1615 | |
1609 | |
1616 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1617 | $self->clear; |
1610 | $self->clear; |
1618 | |
1611 | |
1619 | $_->clear_links_to ($self) for values %cf::MAP; |
1612 | $_->clear_links_to ($self) for values %cf::MAP; |
1620 | |
1613 | |
1621 | $self->unlink_save; |
1614 | $self->unlink_save; |
… | |
… | |
1811 | $map->load; |
1804 | $map->load; |
1812 | $map->load_diag; |
1805 | $map->load_diag; |
1813 | |
1806 | |
1814 | return unless $self->contr->active; |
1807 | return unless $self->contr->active; |
1815 | $self->activate_recursive; |
1808 | $self->activate_recursive; |
|
|
1809 | |
|
|
1810 | local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext |
1816 | $self->enter_map ($map, $x, $y); |
1811 | $self->enter_map ($map, $x, $y); |
1817 | } |
1812 | } |
1818 | |
1813 | |
1819 | cf::player->attach ( |
1814 | cf::player->attach ( |
1820 | on_logout => sub { |
1815 | on_logout => sub { |
… | |
… | |
1833 | # try to abort aborted map switching on player login :) |
1828 | # try to abort aborted map switching on player login :) |
1834 | # should happen only on crashes |
1829 | # should happen only on crashes |
1835 | if ($pl->ob->{_link_pos}) { |
1830 | if ($pl->ob->{_link_pos}) { |
1836 | $pl->ob->enter_link; |
1831 | $pl->ob->enter_link; |
1837 | (async { |
1832 | (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, |
1833 | $pl->ob->reply (undef, |
1841 | "There was an internal problem at your last logout, " |
1834 | "There was an internal problem at your last logout, " |
1842 | . "the server will try to bring you to your intended destination in a second.", |
1835 | . "the server will try to bring you to your intended destination in a second.", |
1843 | cf::NDI_RED); |
1836 | cf::NDI_RED); |
|
|
1837 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1838 | # and this sleep increases chances of the player not ending up in scorn |
1844 | Coro::Timer::sleep 1; |
1839 | Coro::Timer::sleep 1; |
1845 | $pl->ob->leave_link; |
1840 | $pl->ob->leave_link; |
1846 | })->prio (2); |
1841 | })->prio (2); |
1847 | } |
1842 | } |
1848 | }, |
1843 | }, |
… | |
… | |
2197 | |
2192 | |
2198 | =cut |
2193 | =cut |
2199 | |
2194 | |
2200 | our $DB; |
2195 | our $DB; |
2201 | |
2196 | |
|
|
2197 | sub db_init { |
2202 | unless ($DB) { |
2198 | unless ($DB) { |
2203 | $DB = BDB::db_create $DB_ENV; |
2199 | $DB = BDB::db_create $DB_ENV; |
2204 | |
2200 | |
2205 | cf::sync_job { |
2201 | cf::sync_job { |
2206 | eval { |
2202 | eval { |
2207 | $DB->set_flags (BDB::CHKSUM); |
2203 | $DB->set_flags (BDB::CHKSUM); |
2208 | |
2204 | |
2209 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
2205 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
2210 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
2206 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
2211 | cf::cleanup "db_open(db): $!" if $!; |
2207 | cf::cleanup "db_open(db): $!" if $!; |
|
|
2208 | }; |
|
|
2209 | cf::cleanup "db_open(db): $@" if $@; |
2212 | }; |
2210 | }; |
2213 | cf::cleanup "db_open(db): $@" if $@; |
|
|
2214 | }; |
|
|
2215 | |
2211 | |
2216 | my $path = cf::localdir . "/database.pst"; |
2212 | my $path = cf::localdir . "/database.pst"; |
2217 | if (stat $path) { |
2213 | if (stat $path) { |
2218 | cf::sync_job { |
2214 | cf::sync_job { |
2219 | my $pst = Storable::retrieve $path; |
2215 | my $pst = Storable::retrieve $path; |
2220 | |
2216 | |
2221 | cf::db_put (board => data => $pst->{board}); |
2217 | cf::db_put (board => data => $pst->{board}); |
2222 | cf::db_put (guildrules => data => $pst->{guildrules}); |
2218 | cf::db_put (guildrules => data => $pst->{guildrules}); |
2223 | cf::db_put (rent => balance => $pst->{rent}{balance}); |
2219 | cf::db_put (rent => balance => $pst->{rent}{balance}); |
2224 | BDB::db_env_txn_checkpoint $DB_ENV; |
2220 | BDB::db_env_txn_checkpoint $DB_ENV; |
2225 | |
2221 | |
2226 | unlink $path; |
2222 | unlink $path; |
|
|
2223 | }; |
2227 | }; |
2224 | } |
2228 | } |
2225 | } |
2229 | } |
2226 | } |
2230 | |
2227 | |
2231 | sub db_get($$) { |
2228 | sub db_get($$) { |
2232 | my $key = "$_[0]/$_[1]"; |
2229 | my $key = "$_[0]/$_[1]"; |
… | |
… | |
2245 | } |
2242 | } |
2246 | |
2243 | |
2247 | ############################################################################# |
2244 | ############################################################################# |
2248 | # the server's init and main functions |
2245 | # the server's init and main functions |
2249 | |
2246 | |
2250 | sub load_resources { |
2247 | sub init_resources { |
2251 | load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
2248 | load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
2252 | or die "unable to load regions file\n";#d# |
2249 | or die "unable to load regions file\n";#d# |
2253 | } |
2250 | } |
2254 | |
2251 | |
2255 | sub cfg_load { |
2252 | sub cfg_load { |
2256 | open my $fh, "<:utf8", cf::confdir . "/config" |
2253 | open my $fh, "<:utf8", cf::confdir . "/config" |
… | |
… | |
2272 | warn $@ if $@; |
2269 | warn $@ if $@; |
2273 | } |
2270 | } |
2274 | } |
2271 | } |
2275 | |
2272 | |
2276 | sub init { |
2273 | sub init { |
2277 | load_resources; |
2274 | init_resources; |
2278 | } |
2275 | } |
2279 | |
2276 | |
2280 | sub main { |
2277 | sub main { |
2281 | # we must not ever block the main coroutine |
2278 | # we must not ever block the main coroutine |
2282 | local $Coro::idle = sub { |
2279 | local $Coro::idle = sub { |
… | |
… | |
2285 | Event::one_event; |
2282 | Event::one_event; |
2286 | })->prio (Coro::PRIO_MAX); |
2283 | })->prio (Coro::PRIO_MAX); |
2287 | }; |
2284 | }; |
2288 | |
2285 | |
2289 | cfg_load; |
2286 | cfg_load; |
|
|
2287 | db_init; |
2290 | load_extensions; |
2288 | load_extensions; |
2291 | |
2289 | |
2292 | $TICK_WATCHER->start; |
2290 | $TICK_WATCHER->start; |
2293 | Event::loop; |
2291 | Event::loop; |
2294 | } |
2292 | } |
… | |
… | |
2342 | }; |
2340 | }; |
2343 | |
2341 | |
2344 | warn "leave emergency perl save\n"; |
2342 | warn "leave emergency perl save\n"; |
2345 | } |
2343 | } |
2346 | |
2344 | |
|
|
2345 | sub post_cleanup { |
|
|
2346 | my ($make_core) = @_; |
|
|
2347 | |
|
|
2348 | warn Carp::longmess "post_cleanup backtrace" |
|
|
2349 | if $make_core; |
|
|
2350 | } |
|
|
2351 | |
2347 | sub reload() { |
2352 | sub reload() { |
2348 | # can/must only be called in main |
2353 | # can/must only be called in main |
2349 | if ($Coro::current != $Coro::main) { |
2354 | if ($Coro::current != $Coro::main) { |
2350 | warn "can only reload from main coroutine"; |
2355 | warn "can only reload from main coroutine"; |
2351 | return; |
2356 | return; |
2352 | } |
2357 | } |
2353 | |
2358 | |
2354 | warn "reloading..."; |
2359 | warn "reloading..."; |
2355 | |
2360 | |
2356 | warn "cancelling server ticker"; |
2361 | warn "entering sync_job"; |
2357 | $TICK_WATCHER->cancel; |
|
|
2358 | |
2362 | |
|
|
2363 | cf::sync_job { |
|
|
2364 | cf::write_runtime; # external watchdog should not bark |
2359 | cf::emergency_save; |
2365 | cf::emergency_save; |
|
|
2366 | cf::write_runtime; # external watchdog should not bark |
2360 | |
2367 | |
2361 | eval { |
2368 | warn "syncing database to disk"; |
|
|
2369 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2370 | |
2362 | # if anything goes wrong in here, we should simply crash as we already saved |
2371 | # if anything goes wrong in here, we should simply crash as we already saved |
2363 | |
2372 | |
2364 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2373 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2365 | for (Event::all_watchers) { |
2374 | for (Event::all_watchers) { |
2366 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2375 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2367 | } |
2376 | } |
2368 | |
|
|
2369 | warn "syncing database to disk"; |
|
|
2370 | BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; |
|
|
2371 | |
2377 | |
2372 | warn "flushing outstanding aio requests"; |
2378 | warn "flushing outstanding aio requests"; |
2373 | for (;;) { |
2379 | for (;;) { |
2374 | BDB::flush; |
2380 | BDB::flush; |
2375 | IO::AIO::flush; |
2381 | IO::AIO::flush; |
… | |
… | |
2447 | _global_reattach; |
2453 | _global_reattach; |
2448 | warn "reattaching attachments to maps"; |
2454 | warn "reattaching attachments to maps"; |
2449 | reattach $_ for values %MAP; |
2455 | reattach $_ for values %MAP; |
2450 | |
2456 | |
2451 | warn "loading reloadable resources"; |
2457 | warn "loading reloadable resources"; |
2452 | load_resources; |
2458 | init_resources; |
2453 | |
2459 | |
2454 | warn "restarting server ticker"; |
2460 | warn "leaving sync_job"; |
2455 | |
2461 | |
2456 | $TICK_WATCHER->start; |
2462 | 1 |
2457 | }; |
2463 | } or do { |
2458 | |
|
|
2459 | if ($@) { |
|
|
2460 | warn $@; |
2464 | warn $@; |
2461 | warn "error while reloading, exiting."; |
2465 | warn "error while reloading, exiting."; |
2462 | exit 1; |
2466 | exit 1; |
2463 | } |
2467 | }; |
2464 | |
2468 | |
2465 | warn "reloaded"; |
2469 | warn "reloaded"; |
2466 | }; |
2470 | }; |
2467 | |
2471 | |
2468 | our $RELOAD_WATCHER; # used only during reload |
2472 | our $RELOAD_WATCHER; # used only during reload |
… | |
… | |
2509 | |
2513 | |
2510 | cf::server_tick; # one server iteration |
2514 | cf::server_tick; # one server iteration |
2511 | $RUNTIME += $TICK; |
2515 | $RUNTIME += $TICK; |
2512 | $NEXT_TICK += $TICK; |
2516 | $NEXT_TICK += $TICK; |
2513 | |
2517 | |
|
|
2518 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
|
|
2519 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
|
|
2520 | Coro::async_pool { |
|
|
2521 | write_runtime |
|
|
2522 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2523 | }; |
|
|
2524 | } |
|
|
2525 | |
2514 | $WAIT_FOR_TICK->broadcast; |
2526 | $WAIT_FOR_TICK->broadcast; |
2515 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2527 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2516 | |
2528 | |
2517 | Event::sweep; |
|
|
2518 | Coro::cede_notself; |
|
|
2519 | |
|
|
2520 | # my $AFTER = Event::time; |
2529 | # my $AFTER = Event::time; |
2521 | # warn $AFTER - $NOW;#d# |
2530 | # warn $AFTER - $NOW;#d# |
2522 | |
2531 | |
2523 | # if we are delayed by four ticks or more, skip them all |
2532 | # if we are delayed by four ticks or more, skip them all |
2524 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2533 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
… | |
… | |
2583 | |
2592 | |
2584 | undef $Coro::AIO::WATCHER; |
2593 | undef $Coro::AIO::WATCHER; |
2585 | IO::AIO::max_poll_time $TICK * 0.1; |
2594 | IO::AIO::max_poll_time $TICK * 0.1; |
2586 | $AIO_POLL_WATCHER = Event->io ( |
2595 | $AIO_POLL_WATCHER = Event->io ( |
2587 | reentrant => 0, |
2596 | reentrant => 0, |
|
|
2597 | data => WF_AUTOCANCEL, |
2588 | fd => IO::AIO::poll_fileno, |
2598 | fd => IO::AIO::poll_fileno, |
2589 | poll => 'r', |
2599 | poll => 'r', |
2590 | prio => 6, |
2600 | prio => 6, |
2591 | data => WF_AUTOCANCEL, |
|
|
2592 | cb => \&IO::AIO::poll_cb, |
2601 | cb => \&IO::AIO::poll_cb, |
2593 | ); |
2602 | ); |
2594 | } |
2603 | } |
2595 | |
2604 | |
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 | |
|
|
2608 | END { cf::emergency_save } |
2605 | END { cf::emergency_save } |
2609 | |
2606 | |
2610 | 1 |
2607 | 1 |
2611 | |
2608 | |