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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.204 by root, Fri Feb 2 19:59:22 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC

… …
15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use BDB ();
20use Data::Dumper; 21use Data::Dumper;
21use Digest::MD5; 22use Digest::MD5;
22use Fcntl; 23use Fcntl;
23use IO::AIO 2.32 (); 24use IO::AIO 2.32 ();
24use YAML::Syck (); 25use YAML::Syck ();
25use Time::HiRes; 26use Time::HiRes;
27use Compress::LZF;
28
29Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
26 30
27use Event; $Event::Eval = 1; # no idea why this is required, but it is 31use Event; $Event::Eval = 1; # no idea why this is required, but it is
28 32
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload 33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30 34
… …
39our @EXTS = (); # list of extension package names 43our @EXTS = (); # list of extension package names
40our %EXTCMD = (); 44our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions 45our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps 46our %EXT_MAP = (); # pluggable maps
43 47
48our $RELOAD; # number of reloads so far
44our @EVENT; 49our @EVENT;
45our $LIBDIR = datadir . "/ext"; 50our $LIBDIR = datadir . "/ext";
46 51
47our $TICK = MAX_TIME * 1e-6; 52our $TICK = MAX_TIME * 1e-6;
48our $TICK_WATCHER; 53our $TICK_WATCHER;
49our $AIO_POLL_WATCHER; 54our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER; 55our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
51our $NEXT_TICK; 56our $NEXT_TICK;
52our $NOW; 57our $NOW;
53our $USE_FSYNC; # use fsync to write maps - default off 58our $USE_FSYNC = 1; # use fsync to write maps - default off
59
60our $BDB_POLL_WATCHER;
61our $DB_ENV;
54 62
55our %CFG; 63our %CFG;
56 64
57our $UPTIME; $UPTIME ||= time; 65our $UPTIME; $UPTIME ||= time;
58our $RUNTIME; 66our $RUNTIME;
59 67
60our %PLAYER; # all users 68our %PLAYER; # all users
61our %MAP; # all maps 69our %MAP; # all maps
62our $LINK_MAP; # the special {link} map, which is always available 70our $LINK_MAP; # the special {link} map, which is always available
63our $RANDOM_MAPS = cf::localdir . "/random"; 71our $RANDOM_MAPS = cf::localdir . "/random";
72our $BDB_ENV_DIR = cf::localdir . "/db";
64 73
65our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 74our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
66our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 75our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
67 76
68# used to convert map paths into valid unix filenames by replacing / by ∕ 77# used to convert map paths into valid unix filenames by replacing / by ∕
… …
81mkdir cf::localdir; 90mkdir cf::localdir;
82mkdir cf::localdir . "/" . cf::playerdir; 91mkdir cf::localdir . "/" . cf::playerdir;
83mkdir cf::localdir . "/" . cf::tmpdir; 92mkdir cf::localdir . "/" . cf::tmpdir;
84mkdir cf::localdir . "/" . cf::uniquedir; 93mkdir cf::localdir . "/" . cf::uniquedir;
85mkdir $RANDOM_MAPS; 94mkdir $RANDOM_MAPS;
95mkdir $BDB_ENV_DIR;
86 96
87our $EMERGENCY_POSITION; 97our $EMERGENCY_POSITION;
88 98
89sub cf::map::normalise; 99sub cf::map::normalise;
90 100
… …
264sub freeze_mainloop { 274sub freeze_mainloop {
265 return unless $TICK_WATCHER->is_active; 275 return unless $TICK_WATCHER->is_active;
266 276
267 my $guard = Coro::guard { 277 my $guard = Coro::guard {
268 $TICK_WATCHER->start; 278 $TICK_WATCHER->start;
269 $WRITE_RUNTIME_WATCHER->start;
270 }; 279 };
271 $WRITE_RUNTIME_WATCHER->stop;
272 $TICK_WATCHER->stop; 280 $TICK_WATCHER->stop;
273 $guard 281 $guard
274} 282}
275 283
276=item cf::async { BLOCK } 284=item cf::async { BLOCK }
… …
347 355
348 $coro 356 $coro
349} 357}
350 358
351sub write_runtime { 359sub write_runtime {
360 my $guard = cf::lock_acquire "write_runtime";
361
352 my $runtime = cf::localdir . "/runtime"; 362 my $runtime = cf::localdir . "/runtime";
353 363
354 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 364 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
355 or return; 365 or return;
356 366
… …
778 } 788 }
779 } else { 789 } else {
780 aio_unlink $filename; 790 aio_unlink $filename;
781 aio_unlink "$filename.pst"; 791 aio_unlink "$filename.pst";
782 } 792 }
783
784 #d##TODO# nuke non .map-files if exist
785 if ($filename =~ s/\.map$//) {
786 aio_unlink $filename;
787 aio_unlink "$filename.pst";
788 }
789 } 793 }
790} 794}
791 795
792sub object_freezer_as_string { 796sub object_freezer_as_string {
793 my ($rdata, $objs) = @_; 797 my ($rdata, $objs) = @_;
… …
799 803
800sub object_thawer_load { 804sub object_thawer_load {
801 my ($filename) = @_; 805 my ($filename) = @_;
802 806
803 my ($data, $av); 807 my ($data, $av);
804
805 #d#TODO remove .map if file does not exist
806 aio_stat $filename and $filename =~ s/\.map$//;
807 808
808 (aio_load $filename, $data) >= 0 809 (aio_load $filename, $data) >= 0
809 or return; 810 or return;
810 811
811 unless (aio_stat "$filename.pst") { 812 unless (aio_stat "$filename.pst") {
… …
1030=cut 1031=cut
1031 1032
1032sub quit_character { 1033sub quit_character {
1033 my ($pl) = @_; 1034 my ($pl) = @_;
1034 1035
1036 my $name = $pl->ob->name;
1037
1035 $pl->{deny_save} = 1; 1038 $pl->{deny_save} = 1;
1036 $pl->password ("*"); # this should lock out the player until we nuked the dir 1039 $pl->password ("*"); # this should lock out the player until we nuked the dir
1037 1040
1038 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1041 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1039 $pl->deactivate; 1042 $pl->deactivate;
… …
1043 my $path = playerdir $pl; 1046 my $path = playerdir $pl;
1044 my $temp = "$path~$cf::RUNTIME~deleting~"; 1047 my $temp = "$path~$cf::RUNTIME~deleting~";
1045 aio_rename $path, $temp; 1048 aio_rename $path, $temp;
1046 delete $cf::PLAYER{$pl->ob->name}; 1049 delete $cf::PLAYER{$pl->ob->name};
1047 $pl->destroy; 1050 $pl->destroy;
1051
1052 my $prefix = qr<^~\Q$name\E/>;
1053
1054 # nuke player maps
1055 $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
1056
1048 IO::AIO::aio_rmtree $temp; 1057 IO::AIO::aio_rmtree $temp;
1058}
1059
1060=item $pl->kick
1061
1062Kicks a player out of the game. This destroys the connection.
1063
1064=cut
1065
1066sub kick {
1067 my ($pl, $kicker) = @_;
1068
1069 $pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
1070 $pl->killer ("kicked");
1071 $pl->ns->destroy;
1049} 1072}
1050 1073
1051=item cf::player::list_logins 1074=item cf::player::list_logins
1052 1075
1053Returns am arrayref of all valid playernames in the system, can take a 1076Returns am arrayref of all valid playernames in the system, can take a
… …
1298 my ($self) = @_; 1321 my ($self) = @_;
1299 1322
1300 utf8::encode (my $save = $self->save_path); 1323 utf8::encode (my $save = $self->save_path);
1301 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; 1324 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1302 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; 1325 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1303
1304 #d#TODO remove .map and also nuke
1305 $save =~ s/\.map// or return;#d#
1306 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d#
1307 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d#
1308} 1326}
1309 1327
1310sub load_header_from($) { 1328sub load_header_from($) {
1311 my ($self, $path) = @_; 1329 my ($self, $path) = @_;
1312 1330
… …
1600 return if $self->players; 1618 return if $self->players;
1601 return if $self->isa ("ext::map_per_player");#d# 1619 return if $self->isa ("ext::map_per_player");#d#
1602 1620
1603 warn "resetting map ", $self->path;#d# 1621 warn "resetting map ", $self->path;#d#
1604 1622
1623 $self->in_memory (cf::MAP_SWAPPED);
1624
1625 # need to save uniques path
1626 unless ($self->{deny_save}) {
1627 my $uniq = $self->uniq_path; utf8::encode $uniq;
1628
1629 $self->_save_objects ($uniq, cf::IO_UNIQUES)
1630 if $uniq;
1631 }
1632
1605 delete $cf::MAP{$self->path}; 1633 delete $cf::MAP{$self->path};
1606 1634
1607 $self->in_memory (cf::MAP_SWAPPED);
1608 $self->clear; 1635 $self->clear;
1609 1636
1610 $_->clear_links_to ($self) for values %cf::MAP; 1637 $_->clear_links_to ($self) for values %cf::MAP;
1611 1638
1612 $self->unlink_save; 1639 $self->unlink_save;
… …
1802 $map->load; 1829 $map->load;
1803 $map->load_diag; 1830 $map->load_diag;
1804 1831
1805 return unless $self->contr->active; 1832 return unless $self->contr->active;
1806 $self->activate_recursive; 1833 $self->activate_recursive;
1834
1835 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1807 $self->enter_map ($map, $x, $y); 1836 $self->enter_map ($map, $x, $y);
1808} 1837}
1809 1838
1810cf::player->attach ( 1839cf::player->attach (
1811 on_logout => sub { 1840 on_logout => sub {
… …
1824 # try to abort aborted map switching on player login :) 1853 # try to abort aborted map switching on player login :)
1825 # should happen only on crashes 1854 # should happen only on crashes
1826 if ($pl->ob->{_link_pos}) { 1855 if ($pl->ob->{_link_pos}) {
1827 $pl->ob->enter_link; 1856 $pl->ob->enter_link;
1828 (async { 1857 (async {
1829 # we need this sleep as the login has a concurrent enter_exit running
1830 # and this sleep increases chances of the player not ending up in scorn
1831 $pl->ob->reply (undef, 1858 $pl->ob->reply (undef,
1832 "There was an internal problem at your last logout, " 1859 "There was an internal problem at your last logout, "
1833 . "the server will try to bring you to your intended destination in a second.", 1860 . "the server will try to bring you to your intended destination in a second.",
1834 cf::NDI_RED); 1861 cf::NDI_RED);
1862 # we need this sleep as the login has a concurrent enter_exit running
1863 # and this sleep increases chances of the player not ending up in scorn
1835 Coro::Timer::sleep 1; 1864 Coro::Timer::sleep 1;
1836 $pl->ob->leave_link; 1865 $pl->ob->leave_link;
1837 })->prio (2); 1866 })->prio (2);
1838 } 1867 }
1839 }, 1868 },
… …
2176The parameter C<$family> should best start with the name of the extension 2205The parameter C<$family> should best start with the name of the extension
2177using it, it should be unique. 2206using it, it should be unique.
2178 2207
2179=over 4 2208=over 4
2180 2209
2181=item $hashref = cf::db_get $family
2182
2183Return a hashref for use by the extension C<$family>, which can be
2184modified. After modifications, you have to call C<cf::db_dirty> or
2185C<cf::db_sync>.
2186
2187=item $value = cf::db_get $family => $key 2210=item $value = cf::db_get $family => $key
2188 2211
2189Returns a single value from the database 2212Returns a single value from the database.
2190
2191=item cf::db_put $family => $hashref
2192
2193Stores the given family hashref into the database. Updates are delayed, if
2194you want the data to be synced to disk immediately, use C<cf::db_sync>.
2195 2213
2196=item cf::db_put $family => $key => $value 2214=item cf::db_put $family => $key => $value
2197 2215
2198Stores the given C<$value> in the family hash. Updates are delayed, if you 2216Stores the given C<$value> in the family.
2199want the data to be synced to disk immediately, use C<cf::db_sync>.
2200
2201=item cf::db_dirty
2202
2203Marks the database as dirty, to be updated at a later time.
2204
2205=item cf::db_sync
2206
2207Immediately write the database to disk I<if it is dirty>.
2208 2217
2209=cut 2218=cut
2210 2219
2211our $DB; 2220our $DB;
2212 2221
2213{ 2222sub db_init {
2223 unless ($DB) {
2224 $DB = BDB::db_create $DB_ENV;
2225
2226 cf::sync_job {
2227 eval {
2228 $DB->set_flags (BDB::CHKSUM);
2229
2230 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
2231 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
2232 cf::cleanup "db_open(db): $!" if $!;
2233 };
2234 cf::cleanup "db_open(db): $@" if $@;
2235 };
2236
2214 my $path = cf::localdir . "/database.pst"; 2237 my $path = cf::localdir . "/database.pst";
2238 if (stat $path) {
2239 cf::sync_job {
2240 my $pst = Storable::retrieve $path;
2215 2241
2216 sub db_load() { 2242 cf::db_put (board => data => $pst->{board});
2217 $DB = stat $path ? Storable::retrieve $path : { }; 2243 cf::db_put (guildrules => data => $pst->{guildrules});
2218 } 2244 cf::db_put (rent => balance => $pst->{rent}{balance});
2245 BDB::db_env_txn_checkpoint $DB_ENV;
2219 2246
2220 my $pid; 2247 unlink $path;
2221
2222 sub db_save() {
2223 waitpid $pid, 0 if $pid;
2224 if (0 == ($pid = fork)) {
2225 $DB->{_meta}{version} = 1;
2226 Storable::nstore $DB, "$path~";
2227 rename "$path~", $path;
2228 cf::_exit 0 if defined $pid;
2229 } 2248 };
2230 }
2231
2232 my $dirty;
2233
2234 sub db_sync() {
2235 db_save if $dirty;
2236 undef $dirty;
2237 }
2238
2239 my $idle = Event->idle (
2240 reentrant => 0,
2241 min => 10,
2242 max => 20,
2243 repeat => 0,
2244 data => WF_AUTOCANCEL,
2245 cb => \&db_sync,
2246 );
2247
2248 sub db_dirty() {
2249 $dirty = 1;
2250 $idle->start;
2251 }
2252
2253 sub db_get($;$) {
2254 @_ >= 2
2255 ? $DB->{$_[0]}{$_[1]}
2256 : ($DB->{$_[0]} ||= { })
2257 }
2258
2259 sub db_put($$;$) {
2260 if (@_ >= 3) {
2261 $DB->{$_[0]}{$_[1]} = $_[2];
2262 } else {
2263 $DB->{$_[0]} = $_[1];
2264 }
2265 db_dirty;
2266 }
2267
2268 cf::global->attach (
2269 prio => 10000,
2270 on_cleanup => sub {
2271 db_sync;
2272 }, 2249 }
2273 ); 2250 }
2251}
2252
2253sub db_get($$) {
2254 my $key = "$_[0]/$_[1]";
2255
2256 cf::sync_job {
2257 BDB::db_get $DB, undef, $key, my $data;
2258
2259 $! ? ()
2260 : Compress::LZF::sthaw $data
2261 }
2262}
2263
2264sub db_put($$$) {
2265 BDB::dbreq_pri 4;
2266 BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
2274} 2267}
2275 2268
2276############################################################################# 2269#############################################################################
2277# the server's init and main functions 2270# the server's init and main functions
2278 2271
2272sub load_faces {
2273 my $path = sprintf "%s/faces", cf::datadir;
2274
2275 warn "loading faces from $path\n";
2276
2277 my $faces;
2278 0 < aio_load $path, $faces
2279 or die "$path: $!";
2280
2281 Coro::cede;
2282 $faces = Storable::thaw $faces;
2283 Coro::cede;
2284
2285 while (my ($face, $info) = each %$faces) {
2286 my $idx = (cf::face::find $face) || cf::face::alloc $face;
2287 cf::face::set $idx, $info->{visibility}, $info->{magicmap};
2288 cf::face::set_data $idx, 0, $info->{data32}, $info->{chksum32};
2289 Coro::cede;
2290 }
2291
2292 1
2293}
2294
2279sub load_resources { 2295sub reload_resources {
2280 load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir 2296 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
2281 or die "unable to load regions file\n";#d# 2297 or die "unable to load regions file\n";#d#
2298 load_faces
2299 or die "unable to load faces\n";#d#
2300}
2301
2302sub init {
2303 reload_resources;
2282} 2304}
2283 2305
2284sub cfg_load { 2306sub cfg_load {
2285 open my $fh, "<:utf8", cf::confdir . "/config" 2307 open my $fh, "<:utf8", cf::confdir . "/config"
2286 or return; 2308 or return;
… …
2298 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" 2320 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2299 and die "WARNING: m(un)lockall failed: $!\n"; 2321 and die "WARNING: m(un)lockall failed: $!\n";
2300 }; 2322 };
2301 warn $@ if $@; 2323 warn $@ if $@;
2302 } 2324 }
2303}
2304
2305sub init {
2306 load_resources;
2307} 2325}
2308 2326
2309sub main { 2327sub main {
2310 # we must not ever block the main coroutine 2328 # we must not ever block the main coroutine
2311 local $Coro::idle = sub { 2329 local $Coro::idle = sub {
… …
2314 Event::one_event; 2332 Event::one_event;
2315 })->prio (Coro::PRIO_MAX); 2333 })->prio (Coro::PRIO_MAX);
2316 }; 2334 };
2317 2335
2318 cfg_load; 2336 cfg_load;
2319 db_load; 2337 db_init;
2320 load_extensions; 2338 load_extensions;
2321 2339
2322 $TICK_WATCHER->start; 2340 $TICK_WATCHER->start;
2323 Event::loop; 2341 Event::loop;
2324} 2342}
… …
2363 my $map = $cf::MAP{$path} or next; 2381 my $map = $cf::MAP{$path} or next;
2364 $map->valid or next; 2382 $map->valid or next;
2365 $map->save; 2383 $map->save;
2366 } 2384 }
2367 warn "end emergency map save\n"; 2385 warn "end emergency map save\n";
2386
2387 warn "begin emergency database checkpoint\n";
2388 BDB::db_env_txn_checkpoint $DB_ENV;
2389 warn "end emergency database checkpoint\n";
2368 }; 2390 };
2369 2391
2370 warn "leave emergency perl save\n"; 2392 warn "leave emergency perl save\n";
2393}
2394
2395sub post_cleanup {
2396 my ($make_core) = @_;
2397
2398 warn Carp::longmess "post_cleanup backtrace"
2399 if $make_core;
2371} 2400}
2372 2401
2373sub reload() { 2402sub reload() {
2374 # can/must only be called in main 2403 # can/must only be called in main
2375 if ($Coro::current != $Coro::main) { 2404 if ($Coro::current != $Coro::main) {
… …
2377 return; 2406 return;
2378 } 2407 }
2379 2408
2380 warn "reloading..."; 2409 warn "reloading...";
2381 2410
2382 warn "cancelling server ticker"; 2411 warn "entering sync_job";
2383 $TICK_WATCHER->cancel;
2384 2412
2413 cf::sync_job {
2414 cf::write_runtime; # external watchdog should not bark
2385 cf::emergency_save; 2415 cf::emergency_save;
2416 cf::write_runtime; # external watchdog should not bark
2386 2417
2387 eval { 2418 warn "syncing database to disk";
2419 BDB::db_env_txn_checkpoint $DB_ENV;
2420
2388 # if anything goes wrong in here, we should simply crash as we already saved 2421 # if anything goes wrong in here, we should simply crash as we already saved
2389
2390 warn "syncing database to disk";
2391 cf::db_sync;
2392 2422
2393 warn "cancelling all WF_AUTOCANCEL watchers"; 2423 warn "cancelling all WF_AUTOCANCEL watchers";
2394 for (Event::all_watchers) { 2424 for (Event::all_watchers) {
2395 $_->cancel if $_->data & WF_AUTOCANCEL; 2425 $_->cancel if $_->data & WF_AUTOCANCEL;
2396 } 2426 }
2397 2427
2398 warn "flushing outstanding aio requests"; 2428 warn "flushing outstanding aio requests";
2399 for (;;) { 2429 for (;;) {
2430 BDB::flush;
2400 IO::AIO::flush; 2431 IO::AIO::flush;
2401 Coro::cede; 2432 Coro::cede;
2402 last unless IO::AIO::nreqs; 2433 last unless IO::AIO::nreqs || BDB::nreqs;
2403 warn "iterate..."; 2434 warn "iterate...";
2404 } 2435 }
2436
2437 ++$RELOAD;
2405 2438
2406 warn "cancelling all extension coros"; 2439 warn "cancelling all extension coros";
2407 $_->cancel for values %EXT_CORO; 2440 $_->cancel for values %EXT_CORO;
2408 %EXT_CORO = (); 2441 %EXT_CORO = ();
2409 2442
… …
2462 require cf; 2495 require cf;
2463 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2496 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2464 2497
2465 warn "loading config and database again"; 2498 warn "loading config and database again";
2466 cf::cfg_load; 2499 cf::cfg_load;
2467 cf::db_load;
2468 2500
2469 warn "loading extensions"; 2501 warn "loading extensions";
2470 cf::load_extensions; 2502 cf::load_extensions;
2471 2503
2472 warn "reattaching attachments to objects/players"; 2504 warn "reattaching attachments to objects/players";
2473 _global_reattach; 2505 _global_reattach; # objects, sockets
2474 warn "reattaching attachments to maps"; 2506 warn "reattaching attachments to maps";
2475 reattach $_ for values %MAP; 2507 reattach $_ for values %MAP;
2508 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER;
2476 2510
2477 warn "loading reloadable resources"; 2511 warn "loading reloadable resources";
2478 load_resources; 2512 reload_resources;
2479 2513
2480 warn "restarting server ticker"; 2514 warn "leaving sync_job";
2481 2515
2482 $TICK_WATCHER->start; 2516 1
2483 }; 2517 } or do {
2484
2485 if ($@) {
2486 warn $@; 2518 warn $@;
2487 warn "error while reloading, exiting."; 2519 warn "error while reloading, exiting.";
2488 exit 1; 2520 exit 1;
2489 } 2521 };
2490 2522
2491 warn "reloaded"; 2523 warn "reloaded";
2492}; 2524};
2493 2525
2494our $RELOAD_WATCHER; # used only during reload 2526our $RELOAD_WATCHER; # used only during reload
… …
2535 2567
2536 cf::server_tick; # one server iteration 2568 cf::server_tick; # one server iteration
2537 $RUNTIME += $TICK; 2569 $RUNTIME += $TICK;
2538 $NEXT_TICK += $TICK; 2570 $NEXT_TICK += $TICK;
2539 2571
2572 if ($NOW >= $NEXT_RUNTIME_WRITE) {
2573 $NEXT_RUNTIME_WRITE = $NOW + 10;
2574 Coro::async_pool {
2575 write_runtime
2576 or warn "ERROR: unable to write runtime file: $!";
2577 };
2578 }
2579
2540 $WAIT_FOR_TICK->broadcast; 2580 $WAIT_FOR_TICK->broadcast;
2541 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2581 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2542 2582
2543 Event::sweep;
2544 Coro::cede_notself;
2545
2546# my $AFTER = Event::time; 2583# my $AFTER = Event::time;
2547# warn $AFTER - $NOW;#d# 2584# warn $AFTER - $NOW;#d#
2548 2585
2549 # if we are delayed by four ticks or more, skip them all 2586 # if we are delayed by four ticks or more, skip them all
2550 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
… …
2552 $TICK_WATCHER->at ($NEXT_TICK); 2589 $TICK_WATCHER->at ($NEXT_TICK);
2553 $TICK_WATCHER->start; 2590 $TICK_WATCHER->start;
2554 }, 2591 },
2555); 2592);
2556 2593
2594{
2595 BDB::max_poll_time $TICK * 0.1;
2596 $BDB_POLL_WATCHER = Event->io (
2597 reentrant => 0,
2598 fd => BDB::poll_fileno,
2599 poll => 'r',
2600 prio => 0,
2601 data => WF_AUTOCANCEL,
2602 cb => \&BDB::poll_cb,
2603 );
2604 BDB::min_parallel 8;
2605
2606 BDB::set_sync_prepare {
2607 my $status;
2608 my $current = $Coro::current;
2609 (
2610 sub {
2611 $status = $!;
2612 $current->ready; undef $current;
2613 },
2614 sub {
2615 Coro::schedule while defined $current;
2616 $! = $status;
2617 },
2618 )
2619 };
2620
2621 unless ($DB_ENV) {
2622 $DB_ENV = BDB::db_env_create;
2623
2624 cf::sync_job {
2625 eval {
2626 BDB::db_env_open
2627 $DB_ENV,
2628 $BDB_ENV_DIR,
2629 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
2630 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
2631 0666;
2632
2633 cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
2634
2635 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
2636 $DB_ENV->set_lk_detect;
2637 };
2638
2639 cf::cleanup "db_env_open(db): $@" if $@;
2640 };
2641 }
2642}
2643
2644{
2645 IO::AIO::min_parallel 8;
2646
2647 undef $Coro::AIO::WATCHER;
2557IO::AIO::max_poll_time $TICK * 0.1; 2648 IO::AIO::max_poll_time $TICK * 0.1;
2558
2559undef $Coro::AIO::WATCHER;
2560$AIO_POLL_WATCHER = Event->io ( 2649 $AIO_POLL_WATCHER = Event->io (
2561 reentrant => 0, 2650 reentrant => 0,
2651 data => WF_AUTOCANCEL,
2562 fd => IO::AIO::poll_fileno, 2652 fd => IO::AIO::poll_fileno,
2563 poll => 'r', 2653 poll => 'r',
2564 prio => 6, 2654 prio => 6,
2565 data => WF_AUTOCANCEL,
2566 cb => \&IO::AIO::poll_cb, 2655 cb => \&IO::AIO::poll_cb,
2567); 2656 );
2568 2657}
2569$WRITE_RUNTIME_WATCHER = Event->timer (
2570 reentrant => 0,
2571 data => WF_AUTOCANCEL,
2572 after => 1,
2573 interval => 10,
2574 prio => 6, # keep it lowest so it acts like a watchdog
2575 cb => Coro::unblock_sub {
2576 write_runtime
2577 or warn "ERROR: unable to write runtime file: $!";
2578 },
2579);
2580 2658
2581END { cf::emergency_save } 2659END { cf::emergency_save }
2582 2660
25831 26611
2584 2662

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