| … | |
… | |
| 2354 | }; |
2354 | }; |
| 2355 | |
2355 | |
| 2356 | warn "leave emergency perl save\n"; |
2356 | warn "leave emergency perl save\n"; |
| 2357 | } |
2357 | } |
| 2358 | |
2358 | |
|
|
2359 | sub post_cleanup { |
|
|
2360 | my ($make_core) = @_; |
|
|
2361 | |
|
|
2362 | warn Carp::longmess "post_cleanup backtrace" |
|
|
2363 | if $make_core; |
|
|
2364 | } |
|
|
2365 | |
| 2359 | sub reload() { |
2366 | sub reload() { |
| 2360 | # can/must only be called in main |
2367 | # can/must only be called in main |
| 2361 | if ($Coro::current != $Coro::main) { |
2368 | if ($Coro::current != $Coro::main) { |
| 2362 | warn "can only reload from main coroutine"; |
2369 | warn "can only reload from main coroutine"; |
| 2363 | return; |
2370 | return; |
| 2364 | } |
2371 | } |
| 2365 | |
2372 | |
| 2366 | warn "reloading..."; |
2373 | warn "reloading..."; |
| 2367 | |
2374 | |
| 2368 | warn "cancelling server ticker"; |
2375 | warn "entering sync_job"; |
| 2369 | $TICK_WATCHER->cancel; |
|
|
| 2370 | |
2376 | |
|
|
2377 | sync_job { |
|
|
2378 | write_runtime; |
| 2371 | cf::emergency_save; |
2379 | cf::emergency_save; |
|
|
2380 | write_runtime; |
| 2372 | |
2381 | |
| 2373 | eval { |
2382 | warn "syncing database to disk"; |
|
|
2383 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2384 | |
| 2374 | # if anything goes wrong in here, we should simply crash as we already saved |
2385 | # if anything goes wrong in here, we should simply crash as we already saved |
| 2375 | |
2386 | |
| 2376 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2387 | warn "cancelling all WF_AUTOCANCEL watchers"; |
| 2377 | for (Event::all_watchers) { |
2388 | for (Event::all_watchers) { |
| 2378 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2389 | $_->cancel if $_->data & WF_AUTOCANCEL; |
| 2379 | } |
2390 | } |
| 2380 | |
|
|
| 2381 | warn "syncing database to disk"; |
|
|
| 2382 | BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; |
|
|
| 2383 | |
2391 | |
| 2384 | warn "flushing outstanding aio requests"; |
2392 | warn "flushing outstanding aio requests"; |
| 2385 | for (;;) { |
2393 | for (;;) { |
| 2386 | BDB::flush; |
2394 | BDB::flush; |
| 2387 | IO::AIO::flush; |
2395 | IO::AIO::flush; |
| … | |
… | |
| 2461 | reattach $_ for values %MAP; |
2469 | reattach $_ for values %MAP; |
| 2462 | |
2470 | |
| 2463 | warn "loading reloadable resources"; |
2471 | warn "loading reloadable resources"; |
| 2464 | load_resources; |
2472 | load_resources; |
| 2465 | |
2473 | |
| 2466 | warn "restarting server ticker"; |
2474 | warn "leaving sync_job"; |
| 2467 | |
2475 | |
| 2468 | $TICK_WATCHER->start; |
2476 | 1 |
| 2469 | }; |
2477 | } or do { |
| 2470 | |
|
|
| 2471 | if ($@) { |
|
|
| 2472 | warn $@; |
2478 | warn $@; |
| 2473 | warn "error while reloading, exiting."; |
2479 | warn "error while reloading, exiting."; |
| 2474 | exit 1; |
2480 | exit 1; |
| 2475 | } |
2481 | }; |
| 2476 | |
2482 | |
| 2477 | warn "reloaded"; |
2483 | warn "reloaded"; |
| 2478 | }; |
2484 | }; |
| 2479 | |
2485 | |
| 2480 | our $RELOAD_WATCHER; # used only during reload |
2486 | our $RELOAD_WATCHER; # used only during reload |
| … | |
… | |
| 2524 | $NEXT_TICK += $TICK; |
2530 | $NEXT_TICK += $TICK; |
| 2525 | |
2531 | |
| 2526 | $WAIT_FOR_TICK->broadcast; |
2532 | $WAIT_FOR_TICK->broadcast; |
| 2527 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2533 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
| 2528 | |
2534 | |
| 2529 | Event::sweep; |
|
|
| 2530 | Coro::cede_notself; |
|
|
| 2531 | |
|
|
| 2532 | # my $AFTER = Event::time; |
2535 | # my $AFTER = Event::time; |
| 2533 | # warn $AFTER - $NOW;#d# |
2536 | # warn $AFTER - $NOW;#d# |
| 2534 | |
2537 | |
| 2535 | # if we are delayed by four ticks or more, skip them all |
2538 | # if we are delayed by four ticks or more, skip them all |
| 2536 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2539 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
| … | |
… | |
| 2606 | } |
2609 | } |
| 2607 | |
2610 | |
| 2608 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
2611 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
| 2609 | reentrant => 0, |
2612 | reentrant => 0, |
| 2610 | data => WF_AUTOCANCEL, |
2613 | data => WF_AUTOCANCEL, |
|
|
2614 | parked => 1, |
| 2611 | after => 1, |
2615 | after => 1, |
| 2612 | interval => 10, |
2616 | interval => 10, |
| 2613 | prio => 6, # keep it lowest so it acts like a watchdog |
2617 | prio => 6, # keep it lowest so it acts like a watchdog |
| 2614 | cb => Coro::unblock_sub { |
2618 | cb => sub { |
|
|
2619 | $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1; |
|
|
2620 | |
|
|
2621 | Coro::async_pool { |
| 2615 | write_runtime |
2622 | write_runtime |
| 2616 | or warn "ERROR: unable to write runtime file: $!"; |
2623 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2624 | }; |
| 2617 | }, |
2625 | }, |
| 2618 | ); |
2626 | ); |
| 2619 | |
2627 | |
| 2620 | END { cf::emergency_save } |
2628 | END { cf::emergency_save } |
| 2621 | |
2629 | |
