… | |
… | |
349 | my $runtime = cf::localdir . "/runtime"; |
349 | my $runtime = cf::localdir . "/runtime"; |
350 | |
350 | |
351 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
351 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
352 | or return; |
352 | or return; |
353 | |
353 | |
|
|
354 | my $value = $cf::RUNTIME + 90 + 10; |
354 | my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock |
355 | # 10 is the runtime save interval, for a monotonic clock |
|
|
356 | # 60 allows for the watchdog to kill the server. |
|
|
357 | |
355 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
358 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
356 | and return; |
359 | and return; |
357 | |
360 | |
358 | aio_fsync $fh |
361 | aio_fsync $fh |
359 | and return; |
362 | and return; |
… | |
… | |
1339 | |
1342 | |
1340 | $map->load_header |
1343 | $map->load_header |
1341 | or return; |
1344 | or return; |
1342 | |
1345 | |
1343 | if ($map->should_reset) { |
1346 | if ($map->should_reset) { |
|
|
1347 | # doing this can freeze the server in a sync job, obviously |
1344 | $cf::WAIT_FOR_TICK->wait; |
1348 | #$cf::WAIT_FOR_TICK->wait; |
1345 | $map->reset; |
1349 | $map->reset; |
1346 | undef $guard; |
1350 | undef $guard; |
1347 | $map = find $path |
1351 | $map = find $path |
1348 | or return; |
1352 | or return; |
1349 | } |
1353 | } |
… | |
… | |
1441 | |
1445 | |
1442 | cf::sync_job { $map->load }; |
1446 | cf::sync_job { $map->load }; |
1443 | } |
1447 | } |
1444 | |
1448 | |
1445 | our %MAP_PREFETCH; |
1449 | our %MAP_PREFETCH; |
1446 | our $MAP_PREFETCHER = Coro::async { |
1450 | our $MAP_PREFETCHER = undef; |
1447 | while () { |
|
|
1448 | for my $path (keys %MAP_PREFETCH) { |
|
|
1449 | my $map = find $path |
|
|
1450 | or next; |
|
|
1451 | $map->load; |
|
|
1452 | |
|
|
1453 | delete $MAP_PREFETCH{$path}; |
|
|
1454 | } |
|
|
1455 | Coro::schedule; |
|
|
1456 | } |
|
|
1457 | }; |
|
|
1458 | |
1451 | |
1459 | sub find_async { |
1452 | sub find_async { |
1460 | my ($path, $origin) = @_; |
1453 | my ($path, $origin) = @_; |
1461 | |
1454 | |
1462 | $path = normalise $path, $origin && $origin->{path}; |
1455 | $path = normalise $path, $origin && $origin->{path}; |
1463 | |
1456 | |
1464 | if (my $map = $cf::MAP{$path}) { |
1457 | if (my $map = $cf::MAP{$path}) { |
1465 | return $map if $map->in_memory == cf::MAP_IN_MEMORY; |
1458 | return $map if $map->in_memory == cf::MAP_IN_MEMORY; |
1466 | } |
1459 | } |
1467 | |
1460 | |
1468 | $MAP_PREFETCH{$path} = 0; |
1461 | undef $MAP_PREFETCH{$path}; |
1469 | $MAP_PREFETCHER->ready; |
1462 | $MAP_PREFETCHER ||= cf::async { |
|
|
1463 | while (%MAP_PREFETCH) { |
|
|
1464 | for my $path (keys %MAP_PREFETCH) { |
|
|
1465 | my $map = find $path |
|
|
1466 | or next; |
|
|
1467 | $map->load; |
|
|
1468 | |
|
|
1469 | delete $MAP_PREFETCH{$path}; |
|
|
1470 | } |
|
|
1471 | } |
|
|
1472 | undef $MAP_PREFETCHER; |
|
|
1473 | }; |
1470 | |
1474 | |
1471 | () |
1475 | () |
1472 | } |
1476 | } |
1473 | |
1477 | |
1474 | sub save { |
1478 | sub save { |
… | |
… | |
1812 | |
1816 | |
1813 | sub parse_random_map_params { |
1817 | sub parse_random_map_params { |
1814 | my ($spec) = @_; |
1818 | my ($spec) = @_; |
1815 | |
1819 | |
1816 | my $rmp = { # defaults |
1820 | my $rmp = { # defaults |
1817 | xsize => -1, |
1821 | xsize => (cf::rndm 15, 40), |
1818 | ysize => -1, |
1822 | ysize => (cf::rndm 15, 40), |
|
|
1823 | symmetry => (cf::rndm 1, cf::SYMMETRY_XY), |
|
|
1824 | #layout => string, |
1819 | }; |
1825 | }; |
1820 | |
1826 | |
1821 | for (split /\n/, $spec) { |
1827 | for (split /\n/, $spec) { |
1822 | my ($k, $v) = split /\s+/, $_, 2; |
1828 | my ($k, $v) = split /\s+/, $_, 2; |
1823 | |
1829 | |
… | |
… | |
2172 | sub db_sync() { |
2178 | sub db_sync() { |
2173 | db_save if $dirty; |
2179 | db_save if $dirty; |
2174 | undef $dirty; |
2180 | undef $dirty; |
2175 | } |
2181 | } |
2176 | |
2182 | |
2177 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { |
2183 | my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub { |
2178 | db_sync; |
2184 | db_sync; |
2179 | }); |
2185 | }); |
2180 | |
2186 | |
2181 | sub db_dirty() { |
2187 | sub db_dirty() { |
2182 | $dirty = 1; |
2188 | $dirty = 1; |
… | |
… | |
2240 | }; |
2246 | }; |
2241 | |
2247 | |
2242 | cfg_load; |
2248 | cfg_load; |
2243 | db_load; |
2249 | db_load; |
2244 | load_extensions; |
2250 | load_extensions; |
|
|
2251 | |
|
|
2252 | $TICK_WATCHER->start; |
2245 | Event::loop; |
2253 | Event::loop; |
2246 | } |
2254 | } |
2247 | |
2255 | |
2248 | ############################################################################# |
2256 | ############################################################################# |
2249 | # initialisation and cleanup |
2257 | # initialisation and cleanup |
… | |
… | |
2291 | } |
2299 | } |
2292 | |
2300 | |
2293 | sub reload() { |
2301 | sub reload() { |
2294 | # can/must only be called in main |
2302 | # can/must only be called in main |
2295 | if ($Coro::current != $Coro::main) { |
2303 | if ($Coro::current != $Coro::main) { |
2296 | warn "can only reload from main coroutine\n"; |
2304 | warn "can only reload from main coroutine"; |
2297 | return; |
2305 | return; |
2298 | } |
2306 | } |
2299 | |
2307 | |
2300 | warn "reloading..."; |
2308 | warn "reloading..."; |
2301 | |
2309 | |
2302 | warn "freezing server"; |
2310 | warn "cancelling server ticker"; |
2303 | my $guard = freeze_mainloop; |
2311 | $TICK_WATCHER->cancel; |
|
|
2312 | |
2304 | cf::emergency_save; |
2313 | cf::emergency_save; |
2305 | |
|
|
2306 | warn "sync database to disk"; |
|
|
2307 | cf::db_sync; |
|
|
2308 | IO::AIO::flush; |
|
|
2309 | |
2314 | |
2310 | eval { |
2315 | eval { |
2311 | # if anything goes wrong in here, we should simply crash as we already saved |
2316 | # if anything goes wrong in here, we should simply crash as we already saved |
2312 | |
2317 | |
|
|
2318 | warn "syncing database to disk"; |
|
|
2319 | cf::db_sync; |
|
|
2320 | |
2313 | warn "cancel all watchers"; |
2321 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2314 | for (Event::all_watchers) { |
2322 | for (Event::all_watchers) { |
2315 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2323 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2316 | } |
2324 | } |
2317 | |
2325 | |
|
|
2326 | warn "flushing outstanding aio requests"; |
|
|
2327 | for (;;) { |
|
|
2328 | IO::AIO::flush; |
|
|
2329 | Coro::cede; |
|
|
2330 | last unless IO::AIO::nreqs; |
|
|
2331 | warn "iterate..."; |
|
|
2332 | } |
|
|
2333 | |
2318 | warn "cancel all extension coros"; |
2334 | warn "cancelling all extension coros"; |
2319 | $_->cancel for values %EXT_CORO; |
2335 | $_->cancel for values %EXT_CORO; |
2320 | %EXT_CORO = (); |
2336 | %EXT_CORO = (); |
2321 | |
2337 | |
2322 | warn "remove commands"; |
2338 | warn "removing commands"; |
2323 | %COMMAND = (); |
2339 | %COMMAND = (); |
2324 | |
2340 | |
2325 | warn "remove ext commands"; |
2341 | warn "removing ext commands"; |
2326 | %EXTCMD = (); |
2342 | %EXTCMD = (); |
2327 | |
2343 | |
2328 | warn "unload/nuke all extensions"; |
2344 | warn "unloading/nuking all extensions"; |
2329 | for my $pkg (@EXTS) { |
2345 | for my $pkg (@EXTS) { |
2330 | warn "... unloading $pkg"; |
2346 | warn "... unloading $pkg"; |
2331 | |
2347 | |
2332 | if (my $cb = $pkg->can ("unload")) { |
2348 | if (my $cb = $pkg->can ("unload")) { |
2333 | eval { |
2349 | eval { |
… | |
… | |
2338 | |
2354 | |
2339 | warn "... nuking $pkg"; |
2355 | warn "... nuking $pkg"; |
2340 | Symbol::delete_package $pkg; |
2356 | Symbol::delete_package $pkg; |
2341 | } |
2357 | } |
2342 | |
2358 | |
2343 | warn "unload all perl modules loaded from $LIBDIR"; |
2359 | warn "unloading all perl modules loaded from $LIBDIR"; |
2344 | while (my ($k, $v) = each %INC) { |
2360 | while (my ($k, $v) = each %INC) { |
2345 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
2361 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
2346 | |
2362 | |
2347 | warn "removing <$k>"; |
2363 | warn "... unloading $k"; |
2348 | delete $INC{$k}; |
2364 | delete $INC{$k}; |
2349 | |
2365 | |
2350 | $k =~ s/\.pm$//; |
2366 | $k =~ s/\.pm$//; |
2351 | $k =~ s/\//::/g; |
2367 | $k =~ s/\//::/g; |
2352 | |
2368 | |
… | |
… | |
2355 | } |
2371 | } |
2356 | |
2372 | |
2357 | Symbol::delete_package $k; |
2373 | Symbol::delete_package $k; |
2358 | } |
2374 | } |
2359 | |
2375 | |
2360 | warn "get rid of safe::, as good as possible"; |
2376 | warn "getting rid of safe::, as good as possible"; |
2361 | Symbol::delete_package "safe::$_" |
2377 | Symbol::delete_package "safe::$_" |
2362 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2378 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2363 | |
2379 | |
2364 | warn "unload cf.pm \"a bit\""; |
2380 | warn "unloading cf.pm \"a bit\""; |
2365 | delete $INC{"cf.pm"}; |
2381 | delete $INC{"cf.pm"}; |
2366 | |
2382 | |
2367 | # don't, removes xs symbols, too, |
2383 | # don't, removes xs symbols, too, |
2368 | # and global variables created in xs |
2384 | # and global variables created in xs |
2369 | #Symbol::delete_package __PACKAGE__; |
2385 | #Symbol::delete_package __PACKAGE__; |
2370 | |
2386 | |
|
|
2387 | warn "unload completed, starting to reload now"; |
|
|
2388 | |
2371 | warn "reloading cf.pm"; |
2389 | warn "reloading cf.pm"; |
2372 | require cf; |
2390 | require cf; |
2373 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2391 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2374 | |
2392 | |
2375 | warn "load config and database again"; |
2393 | warn "loading config and database again"; |
2376 | cf::cfg_load; |
2394 | cf::cfg_load; |
2377 | cf::db_load; |
2395 | cf::db_load; |
2378 | |
2396 | |
2379 | warn "load extensions"; |
2397 | warn "loading extensions"; |
2380 | cf::load_extensions; |
2398 | cf::load_extensions; |
2381 | |
2399 | |
2382 | warn "reattach attachments to objects/players"; |
2400 | warn "reattaching attachments to objects/players"; |
2383 | _global_reattach; |
2401 | _global_reattach; |
2384 | warn "reattach attachments to maps"; |
2402 | warn "reattaching attachments to maps"; |
2385 | reattach $_ for values %MAP; |
2403 | reattach $_ for values %MAP; |
|
|
2404 | |
|
|
2405 | warn "restarting server ticker"; |
|
|
2406 | |
|
|
2407 | $TICK_WATCHER->start; |
2386 | }; |
2408 | }; |
2387 | |
2409 | |
2388 | if ($@) { |
2410 | if ($@) { |
2389 | warn $@; |
2411 | warn $@; |
2390 | warn "error while reloading, exiting."; |
2412 | warn "error while reloading, exiting."; |
… | |
… | |
2412 | } |
2434 | } |
2413 | }; |
2435 | }; |
2414 | |
2436 | |
2415 | unshift @INC, $LIBDIR; |
2437 | unshift @INC, $LIBDIR; |
2416 | |
2438 | |
|
|
2439 | my $bug_warning = 0; |
|
|
2440 | |
2417 | $TICK_WATCHER = Event->timer ( |
2441 | $TICK_WATCHER = Event->timer ( |
2418 | reentrant => 0, |
2442 | reentrant => 0, |
|
|
2443 | parked => 1, |
2419 | prio => 0, |
2444 | prio => 0, |
2420 | at => $NEXT_TICK || $TICK, |
2445 | at => $NEXT_TICK || $TICK, |
2421 | data => WF_AUTOCANCEL, |
2446 | data => WF_AUTOCANCEL, |
2422 | cb => sub { |
2447 | cb => sub { |
|
|
2448 | if ($Coro::current != $Coro::main) { |
|
|
2449 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
|
|
2450 | unless ++$bug_warning > 10; |
|
|
2451 | return; |
|
|
2452 | } |
|
|
2453 | |
2423 | $NOW = Event::time; |
2454 | $NOW = Event::time; |
2424 | |
2455 | |
2425 | cf::server_tick; # one server iteration |
2456 | cf::server_tick; # one server iteration |
2426 | $RUNTIME += $TICK; |
2457 | $RUNTIME += $TICK; |
2427 | $NEXT_TICK += $TICK; |
2458 | $NEXT_TICK += $TICK; |
… | |
… | |
2447 | cb => \&IO::AIO::poll_cb, |
2478 | cb => \&IO::AIO::poll_cb, |
2448 | ); |
2479 | ); |
2449 | |
2480 | |
2450 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
2481 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
2451 | data => WF_AUTOCANCEL, |
2482 | data => WF_AUTOCANCEL, |
2452 | after => 0, |
2483 | after => 1, |
2453 | interval => 10, |
2484 | interval => 10, |
2454 | cb => sub { |
2485 | prio => 6, # keep it lowest so it acts like a watchdog |
2455 | (Coro::unblock_sub { |
2486 | cb => Coro::unblock_sub { |
2456 | write_runtime |
2487 | write_runtime |
2457 | or warn "ERROR: unable to write runtime file: $!"; |
2488 | or warn "ERROR: unable to write runtime file: $!"; |
2458 | })->(); |
|
|
2459 | }, |
2489 | }, |
2460 | ); |
2490 | ); |
2461 | |
2491 | |
2462 | END { cf::emergency_save } |
2492 | END { cf::emergency_save } |
2463 | |
2493 | |