ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/deliantra/server/lib/cf.pm
(Generate patch)

Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.210 by root, Mon Feb 12 01:32:49 2007 UTC vs.
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC

2300 cfg_load; 2300 cfg_load;
2301 db_init; 2301 db_init;
2302 load_extensions; 2302 load_extensions;
2303 2303
2304 $TICK_WATCHER->start; 2304 $TICK_WATCHER->start;
2305 $WRITE_RUNTIME_WATCHER->start;
2305 Event::loop; 2306 Event::loop;
2306} 2307}
2307 2308
2308############################################################################# 2309#############################################################################
2309# initialisation and cleanup 2310# initialisation and cleanup
2354 }; 2355 };
2355 2356
2356 warn "leave emergency perl save\n"; 2357 warn "leave emergency perl save\n";
2357} 2358}
2358 2359
2360sub post_cleanup {
2361 my ($make_core) = @_;
2362
2363 warn Carp::longmess "post_cleanup backtrace"
2364 if $make_core;
2365}
2366
2359sub reload() { 2367sub reload() {
2360 # can/must only be called in main 2368 # can/must only be called in main
2361 if ($Coro::current != $Coro::main) { 2369 if ($Coro::current != $Coro::main) {
2362 warn "can only reload from main coroutine"; 2370 warn "can only reload from main coroutine";
2363 return; 2371 return;
2364 } 2372 }
2365 2373
2366 warn "reloading..."; 2374 warn "reloading...";
2367 2375
2368 warn "cancelling server ticker"; 2376 warn "entering sync_job";
2369 $TICK_WATCHER->cancel;
2370 2377
2378 cf::sync_job {
2379 cf::write_runtime;
2371 cf::emergency_save; 2380 cf::emergency_save;
2381 cf::write_runtime;
2372 2382
2373 eval { 2383 warn "syncing database to disk";
2384 BDB::db_env_txn_checkpoint $DB_ENV;
2385
2374 # if anything goes wrong in here, we should simply crash as we already saved 2386 # if anything goes wrong in here, we should simply crash as we already saved
2375 2387
2376 warn "cancelling all WF_AUTOCANCEL watchers"; 2388 warn "cancelling all WF_AUTOCANCEL watchers";
2377 for (Event::all_watchers) { 2389 for (Event::all_watchers) {
2378 $_->cancel if $_->data & WF_AUTOCANCEL; 2390 $_->cancel if $_->data & WF_AUTOCANCEL;
2379 } 2391 }
2380
2381 warn "syncing database to disk";
2382 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
2383 2392
2384 warn "flushing outstanding aio requests"; 2393 warn "flushing outstanding aio requests";
2385 for (;;) { 2394 for (;;) {
2386 BDB::flush; 2395 BDB::flush;
2387 IO::AIO::flush; 2396 IO::AIO::flush;
2461 reattach $_ for values %MAP; 2470 reattach $_ for values %MAP;
2462 2471
2463 warn "loading reloadable resources"; 2472 warn "loading reloadable resources";
2464 load_resources; 2473 load_resources;
2465 2474
2466 warn "restarting server ticker"; 2475 warn "leaving sync_job";
2467 2476
2468 $TICK_WATCHER->start; 2477 1
2469 }; 2478 } or do {
2470
2471 if ($@) {
2472 warn $@; 2479 warn $@;
2473 warn "error while reloading, exiting."; 2480 warn "error while reloading, exiting.";
2474 exit 1; 2481 exit 1;
2475 } 2482 };
2476 2483
2477 warn "reloaded"; 2484 warn "reloaded";
2478}; 2485};
2479 2486
2480our $RELOAD_WATCHER; # used only during reload 2487our $RELOAD_WATCHER; # used only during reload
2524 $NEXT_TICK += $TICK; 2531 $NEXT_TICK += $TICK;
2525 2532
2526 $WAIT_FOR_TICK->broadcast; 2533 $WAIT_FOR_TICK->broadcast;
2527 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2534 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2528 2535
2529 Event::sweep;
2530 Coro::cede_notself;
2531
2532# my $AFTER = Event::time; 2536# my $AFTER = Event::time;
2533# warn $AFTER - $NOW;#d# 2537# warn $AFTER - $NOW;#d#
2534 2538
2535 # if we are delayed by four ticks or more, skip them all 2539 # if we are delayed by four ticks or more, skip them all
2536 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2540 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2606} 2610}
2607 2611
2608$WRITE_RUNTIME_WATCHER = Event->timer ( 2612$WRITE_RUNTIME_WATCHER = Event->timer (
2609 reentrant => 0, 2613 reentrant => 0,
2610 data => WF_AUTOCANCEL, 2614 data => WF_AUTOCANCEL,
2615 parked => 1,
2611 after => 1, 2616 after => 1,
2612 interval => 10, 2617 interval => 10,
2613 prio => 6, # keep it lowest so it acts like a watchdog 2618 prio => 6, # keep it lowest so it acts like a watchdog
2614 cb => Coro::unblock_sub { 2619 cb => sub {
2620 $TICK_WATCHER->is_active or cf::cleanup "mainloop frozen but runtime active", 1;
2621
2622 Coro::async_pool {
2615 write_runtime 2623 write_runtime
2616 or warn "ERROR: unable to write runtime file: $!"; 2624 or warn "ERROR: unable to write runtime file: $!";
2625 };
2617 }, 2626 },
2618); 2627);
2619 2628
2620END { cf::emergency_save } 2629END { cf::emergency_save }
2621 2630

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines