… | |
… | |
1441 | |
1441 | |
1442 | cf::sync_job { $map->load }; |
1442 | cf::sync_job { $map->load }; |
1443 | } |
1443 | } |
1444 | |
1444 | |
1445 | our %MAP_PREFETCH; |
1445 | our %MAP_PREFETCH; |
1446 | our $MAP_PREFETCHER = Coro::async { |
1446 | 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 | |
1447 | |
1459 | sub find_async { |
1448 | sub find_async { |
1460 | my ($path, $origin) = @_; |
1449 | my ($path, $origin) = @_; |
1461 | |
1450 | |
1462 | $path = normalise $path, $origin && $origin->{path}; |
1451 | $path = normalise $path, $origin && $origin->{path}; |
1463 | |
1452 | |
1464 | if (my $map = $cf::MAP{$path}) { |
1453 | if (my $map = $cf::MAP{$path}) { |
1465 | return $map if $map->in_memory == cf::MAP_IN_MEMORY; |
1454 | return $map if $map->in_memory == cf::MAP_IN_MEMORY; |
1466 | } |
1455 | } |
1467 | |
1456 | |
1468 | $MAP_PREFETCH{$path} = 0; |
1457 | undef $MAP_PREFETCH{$path}; |
1469 | $MAP_PREFETCHER->ready; |
1458 | $MAP_PREFETCHER ||= cf::async { |
|
|
1459 | while (%MAP_PREFETCH) { |
|
|
1460 | for my $path (keys %MAP_PREFETCH) { |
|
|
1461 | warn "prefetching $path...\n";#d# |
|
|
1462 | my $map = find $path |
|
|
1463 | or next; |
|
|
1464 | $map->load; |
|
|
1465 | |
|
|
1466 | delete $MAP_PREFETCH{$path}; |
|
|
1467 | } |
|
|
1468 | } |
|
|
1469 | undef $MAP_PREFETCHER; |
|
|
1470 | }; |
1470 | |
1471 | |
1471 | () |
1472 | () |
1472 | } |
1473 | } |
1473 | |
1474 | |
1474 | sub save { |
1475 | sub save { |
… | |
… | |
2174 | sub db_sync() { |
2175 | sub db_sync() { |
2175 | db_save if $dirty; |
2176 | db_save if $dirty; |
2176 | undef $dirty; |
2177 | undef $dirty; |
2177 | } |
2178 | } |
2178 | |
2179 | |
2179 | my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { |
2180 | my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub { |
2180 | db_sync; |
2181 | db_sync; |
2181 | }); |
2182 | }); |
2182 | |
2183 | |
2183 | sub db_dirty() { |
2184 | sub db_dirty() { |
2184 | $dirty = 1; |
2185 | $dirty = 1; |
… | |
… | |
2242 | }; |
2243 | }; |
2243 | |
2244 | |
2244 | cfg_load; |
2245 | cfg_load; |
2245 | db_load; |
2246 | db_load; |
2246 | load_extensions; |
2247 | load_extensions; |
|
|
2248 | |
|
|
2249 | $TICK_WATCHER->start; |
2247 | Event::loop; |
2250 | Event::loop; |
2248 | } |
2251 | } |
2249 | |
2252 | |
2250 | ############################################################################# |
2253 | ############################################################################# |
2251 | # initialisation and cleanup |
2254 | # initialisation and cleanup |
… | |
… | |
2293 | } |
2296 | } |
2294 | |
2297 | |
2295 | sub reload() { |
2298 | sub reload() { |
2296 | # can/must only be called in main |
2299 | # can/must only be called in main |
2297 | if ($Coro::current != $Coro::main) { |
2300 | if ($Coro::current != $Coro::main) { |
2298 | warn "can only reload from main coroutine\n"; |
2301 | warn "can only reload from main coroutine"; |
2299 | return; |
2302 | return; |
2300 | } |
2303 | } |
2301 | |
2304 | |
2302 | warn "reloading..."; |
2305 | warn "reloading..."; |
2303 | |
2306 | |
2304 | warn "freezing server"; |
2307 | warn "cancelling server ticker"; |
2305 | my $guard = freeze_mainloop; |
2308 | $TICK_WATCHER->cancel; |
|
|
2309 | |
2306 | cf::emergency_save; |
2310 | cf::emergency_save; |
2307 | |
|
|
2308 | warn "sync database to disk"; |
|
|
2309 | cf::db_sync; |
|
|
2310 | IO::AIO::flush; |
|
|
2311 | |
2311 | |
2312 | eval { |
2312 | eval { |
2313 | # if anything goes wrong in here, we should simply crash as we already saved |
2313 | # if anything goes wrong in here, we should simply crash as we already saved |
2314 | |
2314 | |
|
|
2315 | warn "syncing database to disk"; |
|
|
2316 | cf::db_sync; |
|
|
2317 | |
2315 | warn "cancel all watchers"; |
2318 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2316 | for (Event::all_watchers) { |
2319 | for (Event::all_watchers) { |
2317 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2320 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2318 | } |
2321 | } |
2319 | |
2322 | |
|
|
2323 | warn "flushing outstanding aio requests"; |
|
|
2324 | for (;;) { |
|
|
2325 | IO::AIO::flush; |
|
|
2326 | Coro::cede; |
|
|
2327 | last unless IO::AIO::nreqs; |
|
|
2328 | warn "iterate..."; |
|
|
2329 | } |
|
|
2330 | |
2320 | warn "cancel all extension coros"; |
2331 | warn "cancelling all extension coros"; |
2321 | $_->cancel for values %EXT_CORO; |
2332 | $_->cancel for values %EXT_CORO; |
2322 | %EXT_CORO = (); |
2333 | %EXT_CORO = (); |
2323 | |
2334 | |
2324 | warn "remove commands"; |
2335 | warn "removing commands"; |
2325 | %COMMAND = (); |
2336 | %COMMAND = (); |
2326 | |
2337 | |
2327 | warn "remove ext commands"; |
2338 | warn "removing ext commands"; |
2328 | %EXTCMD = (); |
2339 | %EXTCMD = (); |
2329 | |
2340 | |
2330 | warn "unload/nuke all extensions"; |
2341 | warn "unloading/nuking all extensions"; |
2331 | for my $pkg (@EXTS) { |
2342 | for my $pkg (@EXTS) { |
2332 | warn "... unloading $pkg"; |
2343 | warn "... unloading $pkg"; |
2333 | |
2344 | |
2334 | if (my $cb = $pkg->can ("unload")) { |
2345 | if (my $cb = $pkg->can ("unload")) { |
2335 | eval { |
2346 | eval { |
… | |
… | |
2340 | |
2351 | |
2341 | warn "... nuking $pkg"; |
2352 | warn "... nuking $pkg"; |
2342 | Symbol::delete_package $pkg; |
2353 | Symbol::delete_package $pkg; |
2343 | } |
2354 | } |
2344 | |
2355 | |
2345 | warn "unload all perl modules loaded from $LIBDIR"; |
2356 | warn "unloading all perl modules loaded from $LIBDIR"; |
2346 | while (my ($k, $v) = each %INC) { |
2357 | while (my ($k, $v) = each %INC) { |
2347 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
2358 | next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; |
2348 | |
2359 | |
2349 | warn "removing <$k>"; |
2360 | warn "... unloading $k"; |
2350 | delete $INC{$k}; |
2361 | delete $INC{$k}; |
2351 | |
2362 | |
2352 | $k =~ s/\.pm$//; |
2363 | $k =~ s/\.pm$//; |
2353 | $k =~ s/\//::/g; |
2364 | $k =~ s/\//::/g; |
2354 | |
2365 | |
… | |
… | |
2357 | } |
2368 | } |
2358 | |
2369 | |
2359 | Symbol::delete_package $k; |
2370 | Symbol::delete_package $k; |
2360 | } |
2371 | } |
2361 | |
2372 | |
2362 | warn "get rid of safe::, as good as possible"; |
2373 | warn "getting rid of safe::, as good as possible"; |
2363 | Symbol::delete_package "safe::$_" |
2374 | Symbol::delete_package "safe::$_" |
2364 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2375 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2365 | |
2376 | |
2366 | warn "unload cf.pm \"a bit\""; |
2377 | warn "unloading cf.pm \"a bit\""; |
2367 | delete $INC{"cf.pm"}; |
2378 | delete $INC{"cf.pm"}; |
2368 | |
2379 | |
2369 | # don't, removes xs symbols, too, |
2380 | # don't, removes xs symbols, too, |
2370 | # and global variables created in xs |
2381 | # and global variables created in xs |
2371 | #Symbol::delete_package __PACKAGE__; |
2382 | #Symbol::delete_package __PACKAGE__; |
2372 | |
2383 | |
|
|
2384 | warn "unload completed, starting to reload now"; |
|
|
2385 | |
2373 | warn "reloading cf.pm"; |
2386 | warn "reloading cf.pm"; |
2374 | require cf; |
2387 | require cf; |
2375 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2388 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2376 | |
2389 | |
2377 | warn "load config and database again"; |
2390 | warn "loading config and database again"; |
2378 | cf::cfg_load; |
2391 | cf::cfg_load; |
2379 | cf::db_load; |
2392 | cf::db_load; |
2380 | |
2393 | |
2381 | warn "load extensions"; |
2394 | warn "loading extensions"; |
2382 | cf::load_extensions; |
2395 | cf::load_extensions; |
2383 | |
2396 | |
2384 | warn "reattach attachments to objects/players"; |
2397 | warn "reattaching attachments to objects/players"; |
2385 | _global_reattach; |
2398 | _global_reattach; |
2386 | warn "reattach attachments to maps"; |
2399 | warn "reattaching attachments to maps"; |
2387 | reattach $_ for values %MAP; |
2400 | reattach $_ for values %MAP; |
|
|
2401 | |
|
|
2402 | warn "restarting server ticker"; |
|
|
2403 | |
|
|
2404 | $TICK_WATCHER->start; |
2388 | }; |
2405 | }; |
2389 | |
2406 | |
2390 | if ($@) { |
2407 | if ($@) { |
2391 | warn $@; |
2408 | warn $@; |
2392 | warn "error while reloading, exiting."; |
2409 | warn "error while reloading, exiting."; |
… | |
… | |
2414 | } |
2431 | } |
2415 | }; |
2432 | }; |
2416 | |
2433 | |
2417 | unshift @INC, $LIBDIR; |
2434 | unshift @INC, $LIBDIR; |
2418 | |
2435 | |
|
|
2436 | my $bug_warning = 0; |
|
|
2437 | |
2419 | $TICK_WATCHER = Event->timer ( |
2438 | $TICK_WATCHER = Event->timer ( |
2420 | reentrant => 0, |
2439 | reentrant => 0, |
|
|
2440 | parked => 1, |
2421 | prio => 0, |
2441 | prio => 0, |
2422 | at => $NEXT_TICK || $TICK, |
2442 | at => $NEXT_TICK || $TICK, |
2423 | data => WF_AUTOCANCEL, |
2443 | data => WF_AUTOCANCEL, |
2424 | cb => sub { |
2444 | cb => sub { |
|
|
2445 | if ($Coro::current != $Coro::main) { |
|
|
2446 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
|
|
2447 | unless ++$bug_warning > 10; |
|
|
2448 | return; |
|
|
2449 | } |
|
|
2450 | |
2425 | $NOW = Event::time; |
2451 | $NOW = Event::time; |
2426 | |
2452 | |
2427 | cf::server_tick; # one server iteration |
2453 | cf::server_tick; # one server iteration |
2428 | $RUNTIME += $TICK; |
2454 | $RUNTIME += $TICK; |
2429 | $NEXT_TICK += $TICK; |
2455 | $NEXT_TICK += $TICK; |
… | |
… | |
2449 | cb => \&IO::AIO::poll_cb, |
2475 | cb => \&IO::AIO::poll_cb, |
2450 | ); |
2476 | ); |
2451 | |
2477 | |
2452 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
2478 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
2453 | data => WF_AUTOCANCEL, |
2479 | data => WF_AUTOCANCEL, |
2454 | after => 0, |
2480 | after => 1, |
2455 | interval => 10, |
2481 | interval => 10, |
2456 | cb => sub { |
2482 | cb => Coro::unblock_sub { |
2457 | (Coro::unblock_sub { |
|
|
2458 | write_runtime |
2483 | write_runtime |
2459 | or warn "ERROR: unable to write runtime file: $!"; |
2484 | or warn "ERROR: unable to write runtime file: $!"; |
2460 | })->(); |
|
|
2461 | }, |
2485 | }, |
2462 | ); |
2486 | ); |
2463 | |
2487 | |
2464 | END { cf::emergency_save } |
2488 | END { cf::emergency_save } |
2465 | |
2489 | |