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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.176 by root, Sun Jan 14 22:14:35 2007 UTC vs.
Revision 1.184 by root, Fri Jan 19 22:47:57 2007 UTC

… …
957 957
958sub exists($) { 958sub exists($) {
959 my ($login) = @_; 959 my ($login) = @_;
960 960
961 $cf::PLAYER{$login} 961 $cf::PLAYER{$login}
962 or cf::sync_job { !aio_stat $login } 962 or cf::sync_job { !aio_stat path $login }
963} 963}
964 964
965sub find($) { 965sub find($) {
966 return $cf::PLAYER{$_[0]} || do { 966 return $cf::PLAYER{$_[0]} || do {
967 my $login = $_[0]; 967 my $login = $_[0];
… …
1121our $MAX_RESET = 3600; 1121our $MAX_RESET = 3600;
1122our $DEFAULT_RESET = 3000; 1122our $DEFAULT_RESET = 3000;
1123 1123
1124sub generate_random_map { 1124sub generate_random_map {
1125 my ($self, $rmp) = @_; 1125 my ($self, $rmp) = @_;
1126
1127 # mit "rum" bekleckern, nicht 1126 # mit "rum" bekleckern, nicht
1128 $self->_create_random_map ( 1127 $self->_create_random_map (
1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1128 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1129 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1131 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1130 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
… …
1442 1441
1443 cf::sync_job { $map->load }; 1442 cf::sync_job { $map->load };
1444} 1443}
1445 1444
1446our %MAP_PREFETCH; 1445our %MAP_PREFETCH;
1447our $MAP_PREFETCHER = Coro::async { 1446our $MAP_PREFETCHER = undef;
1448 while () {
1449 for my $path (keys %MAP_PREFETCH) {
1450 my $map = find $path
1451 or next;
1452 $map->load;
1453
1454 delete $MAP_PREFETCH{$path};
1455 }
1456 Coro::schedule;
1457 }
1458};
1459 1447
1460sub find_async { 1448sub find_async {
1461 my ($path, $origin) = @_; 1449 my ($path, $origin) = @_;
1462 1450
1463 $path = normalise $path, $origin && $origin->{path}; 1451 $path = normalise $path, $origin && $origin->{path};
1464 1452
1465 if (my $map = $cf::MAP{$path}) { 1453 if (my $map = $cf::MAP{$path}) {
1466 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1454 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467 } 1455 }
1468 1456
1469 $MAP_PREFETCH{$path} = 0; 1457 undef $MAP_PREFETCH{$path};
1470 $MAP_PREFETCHER->ready; 1458 $MAP_PREFETCHER ||= cf::async {
1459 while (%MAP_PREFETCH) {
1460 for my $path (keys %MAP_PREFETCH) {
1461 my $map = find $path
1462 or next;
1463 $map->load;
1464
1465 delete $MAP_PREFETCH{$path};
1466 }
1467 }
1468 undef $MAP_PREFETCHER;
1469 };
1471 1470
1472 () 1471 ()
1473} 1472}
1474 1473
1475sub save { 1474sub save {
… …
1813 1812
1814sub parse_random_map_params { 1813sub parse_random_map_params {
1815 my ($spec) = @_; 1814 my ($spec) = @_;
1816 1815
1817 my $rmp = { # defaults 1816 my $rmp = { # defaults
1818 xsize => 10, 1817 xsize => (cf::rndm 15, 40),
1819 ysize => 10, 1818 ysize => (cf::rndm 15, 40),
1819 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1820 #layout => string,
1820 }; 1821 };
1821 1822
1822 for (split /\n/, $spec) { 1823 for (split /\n/, $spec) {
1823 my ($k, $v) = split /\s+/, $_, 2; 1824 my ($k, $v) = split /\s+/, $_, 2;
1824 1825
… …
1828 $rmp 1829 $rmp
1829} 1830}
1830 1831
1831sub prepare_random_map { 1832sub prepare_random_map {
1832 my ($exit) = @_; 1833 my ($exit) = @_;
1834
1835 my $guard = cf::lock_acquire "exit_prepare:$exit";
1833 1836
1834 # all this does is basically replace the /! path by 1837 # all this does is basically replace the /! path by
1835 # a new random map path (?random/...) with a seed 1838 # a new random map path (?random/...) with a seed
1836 # that depends on the exit object 1839 # that depends on the exit object
1837 1840
… …
1846 1849
1847 $rmp->{random_seed} ||= $exit->random_seed; 1850 $rmp->{random_seed} ||= $exit->random_seed;
1848 1851
1849 my $data = cf::to_json $rmp; 1852 my $data = cf::to_json $rmp;
1850 my $md5 = Digest::MD5::md5_hex $data; 1853 my $md5 = Digest::MD5::md5_hex $data;
1854 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1851 1855
1852 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1856 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1853 aio_write $fh, 0, (length $data), $data, 0; 1857 aio_write $fh, 0, (length $data), $data, 0;
1858 undef $fh;
1859 aio_rename "$meta~", $meta;
1854 1860
1855 $exit->slaying ("?random/$md5"); 1861 $exit->slaying ("?random/$md5");
1856 $exit->msg (undef); 1862 $exit->msg (undef);
1857 } 1863 }
1858} 1864}
… …
2168 sub db_sync() { 2174 sub db_sync() {
2169 db_save if $dirty; 2175 db_save if $dirty;
2170 undef $dirty; 2176 undef $dirty;
2171 } 2177 }
2172 2178
2173 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2179 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2174 db_sync; 2180 db_sync;
2175 }); 2181 });
2176 2182
2177 sub db_dirty() { 2183 sub db_dirty() {
2178 $dirty = 1; 2184 $dirty = 1;
… …
2236 }; 2242 };
2237 2243
2238 cfg_load; 2244 cfg_load;
2239 db_load; 2245 db_load;
2240 load_extensions; 2246 load_extensions;
2247
2248 $TICK_WATCHER->start;
2241 Event::loop; 2249 Event::loop;
2242} 2250}
2243 2251
2244############################################################################# 2252#############################################################################
2245# initialisation and cleanup 2253# initialisation and cleanup
… …
2287} 2295}
2288 2296
2289sub reload() { 2297sub reload() {
2290 # can/must only be called in main 2298 # can/must only be called in main
2291 if ($Coro::current != $Coro::main) { 2299 if ($Coro::current != $Coro::main) {
2292 warn "can only reload from main coroutine\n"; 2300 warn "can only reload from main coroutine";
2293 return; 2301 return;
2294 } 2302 }
2295 2303
2296 warn "reloading..."; 2304 warn "reloading...";
2297 2305
2298 warn "freezing server"; 2306 warn "cancelling server ticker";
2299 my $guard = freeze_mainloop; 2307 $TICK_WATCHER->cancel;
2308
2300 cf::emergency_save; 2309 cf::emergency_save;
2301
2302 warn "sync database to disk";
2303 cf::db_sync;
2304 IO::AIO::flush;
2305 2310
2306 eval { 2311 eval {
2307 # if anything goes wrong in here, we should simply crash as we already saved 2312 # if anything goes wrong in here, we should simply crash as we already saved
2308 2313
2314 warn "syncing database to disk";
2315 cf::db_sync;
2316
2309 warn "cancel all watchers"; 2317 warn "cancelling all WF_AUTOCANCEL watchers";
2310 for (Event::all_watchers) { 2318 for (Event::all_watchers) {
2311 $_->cancel if $_->data & WF_AUTOCANCEL; 2319 $_->cancel if $_->data & WF_AUTOCANCEL;
2312 } 2320 }
2313 2321
2322 warn "flushing outstanding aio requests";
2323 for (;;) {
2324 IO::AIO::flush;
2325 Coro::cede;
2326 last unless IO::AIO::nreqs;
2327 warn "iterate...";
2328 }
2329
2314 warn "cancel all extension coros"; 2330 warn "cancelling all extension coros";
2315 $_->cancel for values %EXT_CORO; 2331 $_->cancel for values %EXT_CORO;
2316 %EXT_CORO = (); 2332 %EXT_CORO = ();
2317 2333
2318 warn "remove commands"; 2334 warn "removing commands";
2319 %COMMAND = (); 2335 %COMMAND = ();
2320 2336
2321 warn "remove ext commands"; 2337 warn "removing ext commands";
2322 %EXTCMD = (); 2338 %EXTCMD = ();
2323 2339
2324 warn "unload/nuke all extensions"; 2340 warn "unloading/nuking all extensions";
2325 for my $pkg (@EXTS) { 2341 for my $pkg (@EXTS) {
2326 warn "... unloading $pkg"; 2342 warn "... unloading $pkg";
2327 2343
2328 if (my $cb = $pkg->can ("unload")) { 2344 if (my $cb = $pkg->can ("unload")) {
2329 eval { 2345 eval {
… …
2334 2350
2335 warn "... nuking $pkg"; 2351 warn "... nuking $pkg";
2336 Symbol::delete_package $pkg; 2352 Symbol::delete_package $pkg;
2337 } 2353 }
2338 2354
2339 warn "unload all perl modules loaded from $LIBDIR"; 2355 warn "unloading all perl modules loaded from $LIBDIR";
2340 while (my ($k, $v) = each %INC) { 2356 while (my ($k, $v) = each %INC) {
2341 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2357 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2342 2358
2343 warn "removing <$k>"; 2359 warn "... unloading $k";
2344 delete $INC{$k}; 2360 delete $INC{$k};
2345 2361
2346 $k =~ s/\.pm$//; 2362 $k =~ s/\.pm$//;
2347 $k =~ s/\//::/g; 2363 $k =~ s/\//::/g;
2348 2364
… …
2351 } 2367 }
2352 2368
2353 Symbol::delete_package $k; 2369 Symbol::delete_package $k;
2354 } 2370 }
2355 2371
2356 warn "get rid of safe::, as good as possible"; 2372 warn "getting rid of safe::, as good as possible";
2357 Symbol::delete_package "safe::$_" 2373 Symbol::delete_package "safe::$_"
2358 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2374 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2359 2375
2360 warn "unload cf.pm \"a bit\""; 2376 warn "unloading cf.pm \"a bit\"";
2361 delete $INC{"cf.pm"}; 2377 delete $INC{"cf.pm"};
2362 2378
2363 # don't, removes xs symbols, too, 2379 # don't, removes xs symbols, too,
2364 # and global variables created in xs 2380 # and global variables created in xs
2365 #Symbol::delete_package __PACKAGE__; 2381 #Symbol::delete_package __PACKAGE__;
2366 2382
2383 warn "unload completed, starting to reload now";
2384
2367 warn "reloading cf.pm"; 2385 warn "reloading cf.pm";
2368 require cf; 2386 require cf;
2369 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2387 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2370 2388
2371 warn "load config and database again"; 2389 warn "loading config and database again";
2372 cf::cfg_load; 2390 cf::cfg_load;
2373 cf::db_load; 2391 cf::db_load;
2374 2392
2375 warn "load extensions"; 2393 warn "loading extensions";
2376 cf::load_extensions; 2394 cf::load_extensions;
2377 2395
2378 warn "reattach attachments to objects/players"; 2396 warn "reattaching attachments to objects/players";
2379 _global_reattach; 2397 _global_reattach;
2380 warn "reattach attachments to maps"; 2398 warn "reattaching attachments to maps";
2381 reattach $_ for values %MAP; 2399 reattach $_ for values %MAP;
2400
2401 warn "restarting server ticker";
2402
2403 $TICK_WATCHER->start;
2382 }; 2404 };
2383 2405
2384 if ($@) { 2406 if ($@) {
2385 warn $@; 2407 warn $@;
2386 warn "error while reloading, exiting."; 2408 warn "error while reloading, exiting.";
… …
2408 } 2430 }
2409}; 2431};
2410 2432
2411unshift @INC, $LIBDIR; 2433unshift @INC, $LIBDIR;
2412 2434
2435my $bug_warning = 0;
2436
2413$TICK_WATCHER = Event->timer ( 2437$TICK_WATCHER = Event->timer (
2414 reentrant => 0, 2438 reentrant => 0,
2439 parked => 1,
2415 prio => 0, 2440 prio => 0,
2416 at => $NEXT_TICK || $TICK, 2441 at => $NEXT_TICK || $TICK,
2417 data => WF_AUTOCANCEL, 2442 data => WF_AUTOCANCEL,
2418 cb => sub { 2443 cb => sub {
2444 if ($Coro::current != $Coro::main) {
2445 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2446 unless ++$bug_warning > 10;
2447 return;
2448 }
2449
2419 $NOW = Event::time; 2450 $NOW = Event::time;
2420 2451
2421 cf::server_tick; # one server iteration 2452 cf::server_tick; # one server iteration
2422 $RUNTIME += $TICK; 2453 $RUNTIME += $TICK;
2423 $NEXT_TICK += $TICK; 2454 $NEXT_TICK += $TICK;
… …
2443 cb => \&IO::AIO::poll_cb, 2474 cb => \&IO::AIO::poll_cb,
2444); 2475);
2445 2476
2446$WRITE_RUNTIME_WATCHER = Event->timer ( 2477$WRITE_RUNTIME_WATCHER = Event->timer (
2447 data => WF_AUTOCANCEL, 2478 data => WF_AUTOCANCEL,
2448 after => 0, 2479 after => 1,
2449 interval => 10, 2480 interval => 10,
2450 cb => sub { 2481 cb => Coro::unblock_sub {
2451 (Coro::unblock_sub {
2452 write_runtime 2482 write_runtime
2453 or warn "ERROR: unable to write runtime file: $!"; 2483 or warn "ERROR: unable to write runtime file: $!";
2454 })->();
2455 }, 2484 },
2456); 2485);
2457 2486
2458END { cf::emergency_save } 2487END { cf::emergency_save }
2459 2488

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