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/cvs/deliantra/server/lib/cf.pm
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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.213 by root, Tue Feb 13 20:01:04 2007 UTC vs.
Revision 1.214 by root, Wed Feb 14 00:40:05 2007 UTC

… …
49our $LIBDIR = datadir . "/ext"; 49our $LIBDIR = datadir . "/ext";
50 50
51our $TICK = MAX_TIME * 1e-6; 51our $TICK = MAX_TIME * 1e-6;
52our $TICK_WATCHER; 52our $TICK_WATCHER;
53our $AIO_POLL_WATCHER; 53our $AIO_POLL_WATCHER;
54our $WRITE_RUNTIME_WATCHER; 54our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
55our $NEXT_TICK; 55our $NEXT_TICK;
56our $NOW; 56our $NOW;
57our $USE_FSYNC = 1; # use fsync to write maps - default off 57our $USE_FSYNC = 1; # use fsync to write maps - default off
58 58
59our $BDB_POLL_WATCHER; 59our $BDB_POLL_WATCHER;
… …
273sub freeze_mainloop { 273sub 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
2629END { cf::emergency_save } 2618END { cf::emergency_save }
2630 2619
26311 26201
2632 2621

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