… | |
… | |
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 } |
… | |
… | |
2300 | cfg_load; |
2298 | cfg_load; |
2301 | db_init; |
2299 | db_init; |
2302 | load_extensions; |
2300 | load_extensions; |
2303 | |
2301 | |
2304 | $TICK_WATCHER->start; |
2302 | $TICK_WATCHER->start; |
2305 | $WRITE_RUNTIME_WATCHER->start; |
|
|
2306 | Event::loop; |
2303 | Event::loop; |
2307 | } |
2304 | } |
2308 | |
2305 | |
2309 | ############################################################################# |
2306 | ############################################################################# |
2310 | # initialisation and cleanup |
2307 | # initialisation and cleanup |
… | |
… | |
2374 | warn "reloading..."; |
2371 | warn "reloading..."; |
2375 | |
2372 | |
2376 | warn "entering sync_job"; |
2373 | warn "entering sync_job"; |
2377 | |
2374 | |
2378 | cf::sync_job { |
2375 | cf::sync_job { |
2379 | cf::write_runtime; |
2376 | cf::write_runtime; # external watchdog should not bark |
2380 | cf::emergency_save; |
2377 | cf::emergency_save; |
2381 | cf::write_runtime; |
2378 | cf::write_runtime; # external watchdog should not bark |
2382 | |
2379 | |
2383 | warn "syncing database to disk"; |
2380 | warn "syncing database to disk"; |
2384 | BDB::db_env_txn_checkpoint $DB_ENV; |
2381 | BDB::db_env_txn_checkpoint $DB_ENV; |
2385 | |
2382 | |
2386 | # if anything goes wrong in here, we should simply crash as we already saved |
2383 | # if anything goes wrong in here, we should simply crash as we already saved |
… | |
… | |
2527 | $NOW = Event::time; |
2524 | $NOW = Event::time; |
2528 | |
2525 | |
2529 | cf::server_tick; # one server iteration |
2526 | cf::server_tick; # one server iteration |
2530 | $RUNTIME += $TICK; |
2527 | $RUNTIME += $TICK; |
2531 | $NEXT_TICK += $TICK; |
2528 | $NEXT_TICK += $TICK; |
|
|
2529 | |
|
|
2530 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
|
|
2531 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
|
|
2532 | Coro::async_pool { |
|
|
2533 | write_runtime |
|
|
2534 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2535 | }; |
|
|
2536 | } |
|
|
2537 | |
2532 | |
2538 | |
2533 | $WAIT_FOR_TICK->broadcast; |
2539 | $WAIT_FOR_TICK->broadcast; |
2534 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2540 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2535 | |
2541 | |
2536 | # my $AFTER = Event::time; |
2542 | # my $AFTER = Event::time; |
… | |
… | |
2599 | |
2605 | |
2600 | undef $Coro::AIO::WATCHER; |
2606 | undef $Coro::AIO::WATCHER; |
2601 | IO::AIO::max_poll_time $TICK * 0.1; |
2607 | IO::AIO::max_poll_time $TICK * 0.1; |
2602 | $AIO_POLL_WATCHER = Event->io ( |
2608 | $AIO_POLL_WATCHER = Event->io ( |
2603 | reentrant => 0, |
2609 | reentrant => 0, |
|
|
2610 | data => WF_AUTOCANCEL, |
2604 | fd => IO::AIO::poll_fileno, |
2611 | fd => IO::AIO::poll_fileno, |
2605 | poll => 'r', |
2612 | poll => 'r', |
2606 | prio => 6, |
2613 | prio => 6, |
2607 | data => WF_AUTOCANCEL, |
|
|
2608 | cb => \&IO::AIO::poll_cb, |
2614 | cb => \&IO::AIO::poll_cb, |
2609 | ); |
2615 | ); |
2610 | } |
2616 | } |
2611 | |
2617 | |
2612 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
|
|
2613 | reentrant => 0, |
|
|
2614 | data => WF_AUTOCANCEL, |
|
|
2615 | parked => 1, |
|
|
2616 | after => 1, |
|
|
2617 | interval => 10, |
|
|
2618 | prio => 6, # keep it lowest so it acts like a watchdog |
|
|
2619 | cb => sub { |
|
|
2620 | $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1; |
|
|
2621 | |
|
|
2622 | Coro::async_pool { |
|
|
2623 | write_runtime |
|
|
2624 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2625 | }; |
|
|
2626 | }, |
|
|
2627 | ); |
|
|
2628 | |
|
|
2629 | END { cf::emergency_save } |
2618 | END { cf::emergency_save } |
2630 | |
2619 | |
2631 | 1 |
2620 | 1 |
2632 | |
2621 | |