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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.354 by root, Sun Sep 2 12:26:54 2007 UTC vs.
Revision 1.389 by root, Sat Oct 20 04:39:57 2007 UTC

… …
4use strict; 4use strict;
5 5
6use Symbol; 6use Symbol;
7use List::Util; 7use List::Util;
8use Socket; 8use Socket;
9use Storable;
10use Event; 9use Event;
11use Opcode; 10use Opcode;
12use Safe; 11use Safe;
13use Safe::Hole; 12use Safe::Hole;
13use Storable ();
14 14
15use Coro 3.64 (); 15use Coro 4.1 ();
16use Coro::State; 16use Coro::State;
17use Coro::Handle; 17use Coro::Handle;
18use Coro::Event; 18use Coro::Event;
19use Coro::Timer; 19use Coro::Timer;
20use Coro::Signal; 20use Coro::Signal;
… …
27use BDB (); 27use BDB ();
28use Data::Dumper; 28use Data::Dumper;
29use Digest::MD5; 29use Digest::MD5;
30use Fcntl; 30use Fcntl;
31use YAML::Syck (); 31use YAML::Syck ();
32use IO::AIO 2.32 (); 32use IO::AIO 2.51 ();
33use Time::HiRes; 33use Time::HiRes;
34use Compress::LZF; 34use Compress::LZF;
35use Digest::MD5 (); 35use Digest::MD5 ();
36 36
37# configure various modules to our taste 37# configure various modules to our taste
… …
80our $NEXT_TICK; 80our $NEXT_TICK;
81our $NOW; 81our $NOW;
82our $USE_FSYNC = 1; # use fsync to write maps - default off 82our $USE_FSYNC = 1; # use fsync to write maps - default off
83 83
84our $BDB_POLL_WATCHER; 84our $BDB_POLL_WATCHER;
85our $BDB_DEADLOCK_WATCHER;
86our $BDB_CHECKPOINT_WATCHER;
87our $BDB_TRICKLE_WATCHER;
85our $DB_ENV; 88our $DB_ENV;
86 89
87our %CFG; 90our %CFG;
88 91
89our $UPTIME; $UPTIME ||= time; 92our $UPTIME; $UPTIME ||= time;
90our $RUNTIME; 93our $RUNTIME;
91 94
92our %PLAYER; # all users 95our (%PLAYER, %PLAYER_LOADING); # all users
93our %MAP; # all maps 96our (%MAP, %MAP_LOADING ); # all maps
94our $LINK_MAP; # the special {link} map, which is always available 97our $LINK_MAP; # the special {link} map, which is always available
95 98
96# used to convert map paths into valid unix filenames by replacing / by ∕ 99# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 100our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98 101
… …
187 $msg .= "\n" 190 $msg .= "\n"
188 unless $msg =~ /\n$/; 191 unless $msg =~ /\n$/;
189 192
190 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; 193 $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
191 194
192 utf8::encode $msg;
193 LOG llevError, $msg; 195 LOG llevError, $msg;
194 }; 196 };
195} 197}
196 198
197@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 199@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
… …
285Return true if the lock is currently active, i.e. somebody has locked it. 287Return true if the lock is currently active, i.e. somebody has locked it.
286 288
287=cut 289=cut
288 290
289our %LOCK; 291our %LOCK;
292our %LOCKER;#d#
290 293
291sub lock_wait($) { 294sub lock_wait($) {
292 my ($key) = @_; 295 my ($key) = @_;
296
297 if ($LOCKER{$key} == $Coro::current) {#d#
298 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
299 return;#d#
300 }#d#
293 301
294 # wait for lock, if any 302 # wait for lock, if any
295 while ($LOCK{$key}) { 303 while ($LOCK{$key}) {
296 push @{ $LOCK{$key} }, $Coro::current; 304 push @{ $LOCK{$key} }, $Coro::current;
297 Coro::schedule; 305 Coro::schedule;
… …
303 311
304 # wait, to be sure we are not locked 312 # wait, to be sure we are not locked
305 lock_wait $key; 313 lock_wait $key;
306 314
307 $LOCK{$key} = []; 315 $LOCK{$key} = [];
316 $LOCKER{$key} = $Coro::current;#d#
308 317
309 Coro::guard { 318 Coro::guard {
319 delete $LOCKER{$key};#d#
310 # wake up all waiters, to be on the safe side 320 # wake up all waiters, to be on the safe side
311 $_->ready for @{ delete $LOCK{$key} }; 321 $_->ready for @{ delete $LOCK{$key} };
312 } 322 }
313} 323}
314 324
… …
344our @SLOT_QUEUE; 354our @SLOT_QUEUE;
345our $SLOT_QUEUE; 355our $SLOT_QUEUE;
346 356
347$SLOT_QUEUE->cancel if $SLOT_QUEUE; 357$SLOT_QUEUE->cancel if $SLOT_QUEUE;
348$SLOT_QUEUE = Coro::async { 358$SLOT_QUEUE = Coro::async {
359 $Coro::current->desc ("timeslot manager");
360
349 my $signal = new Coro::Signal; 361 my $signal = new Coro::Signal;
350 362
351 while () { 363 while () {
352 next_job: 364 next_job:
353 my $avail = cf::till_tick; 365 my $avail = cf::till_tick;
… …
361 } 373 }
362 } 374 }
363 } 375 }
364 376
365 if (@SLOT_QUEUE) { 377 if (@SLOT_QUEUE) {
366 # we do not use wait_For_tick() as it returns immediately when tick is inactive 378 # we do not use wait_for_tick() as it returns immediately when tick is inactive
367 push @cf::WAIT_FOR_TICK, $signal; 379 push @cf::WAIT_FOR_TICK, $signal;
368 $signal->wait; 380 $signal->wait;
369 } else { 381 } else {
370 Coro::schedule; 382 Coro::schedule;
371 } 383 }
… …
415 my $time = Event::time; 427 my $time = Event::time;
416 428
417 # this is the main coro, too bad, we have to block 429 # this is the main coro, too bad, we have to block
418 # till the operation succeeds, freezing the server :/ 430 # till the operation succeeds, freezing the server :/
419 431
432 LOG llevError, Carp::longmess "sync job";#d#
433
420 # TODO: use suspend/resume instead 434 # TODO: use suspend/resume instead
421 # (but this is cancel-safe) 435 # (but this is cancel-safe)
422 my $freeze_guard = freeze_mainloop; 436 my $freeze_guard = freeze_mainloop;
423 437
424 my $busy = 1; 438 my $busy = 1;
425 my @res; 439 my @res;
426 440
427 (async { 441 (async {
442 $Coro::current->desc ("sync job coro");
428 @res = eval { $job->() }; 443 @res = eval { $job->() };
429 warn $@ if $@; 444 warn $@ if $@;
430 undef $busy; 445 undef $busy;
431 })->prio (Coro::PRIO_MAX); 446 })->prio (Coro::PRIO_MAX);
432 447
433 while ($busy) { 448 while ($busy) {
449 if (Coro::nready) {
450 Coro::cede_notself;
451 } else {
434 Coro::cede or Event::one_event; 452 Event::one_event;
453 }
435 } 454 }
436 455
437 $time = Event::time - $time; 456 $time = Event::time - $time;
438 457
439 LOG llevError | logBacktrace, Carp::longmess "long sync job" 458 LOG llevError | logBacktrace, Carp::longmess "long sync job"
… …
481sub fork_call(&@) { 500sub fork_call(&@) {
482 my ($cb, @args) = @_; 501 my ($cb, @args) = @_;
483 502
484 # we seemingly have to make a local copy of the whole thing, 503 # we seemingly have to make a local copy of the whole thing,
485 # otherwise perl prematurely frees the stuff :/ 504 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (liekly this will be rather laborious) 505 # TODO: investigate and fix (likely this will be rather laborious)
487 506
488 my @res = Coro::Util::fork_eval { 507 my @res = Coro::Util::fork_eval {
489 reset_signals; 508 reset_signals;
490 &$cb 509 &$cb
491 }, @args; 510 }, @args;
… …
500=item cf::db_put $family => $key => $value 519=item cf::db_put $family => $key => $value
501 520
502Stores the given C<$value> in the family. It can currently store binary 521Stores the given C<$value> in the family. It can currently store binary
503data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary). 522data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
504 523
524=item $db = cf::db_table "name"
525
526Create and/or open a new database table. The string must not be "db" and must be unique
527within each server.
528
505=cut 529=cut
530
531sub db_table($) {
532 my ($name) = @_;
533 my $db = BDB::db_create $DB_ENV;
534
535 eval {
536 $db->set_flags (BDB::CHKSUM);
537
538 utf8::encode $name;
539 BDB::db_open $db, undef, $name, undef, BDB::BTREE,
540 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
541 cf::cleanup "db_open(db): $!" if $!;
542 };
543 cf::cleanup "db_open(db): $@" if $@;
544
545 $db
546}
506 547
507our $DB; 548our $DB;
508 549
509sub db_init { 550sub db_init {
510 unless ($DB) {
511 $DB = BDB::db_create $DB_ENV;
512
513 cf::sync_job { 551 cf::sync_job {
514 eval { 552 $DB ||= db_table "db";
515 $DB->set_flags (BDB::CHKSUM);
516
517 BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
518 BDB::CREATE | BDB::AUTO_COMMIT, 0666;
519 cf::cleanup "db_open(db): $!" if $!;
520 };
521 cf::cleanup "db_open(db): $@" if $@;
522 };
523 } 553 };
524} 554}
525 555
526sub db_get($$) { 556sub db_get($$) {
527 my $key = "$_[0]/$_[1]"; 557 my $key = "$_[0]/$_[1]";
528 558
… …
940 970
941=cut 971=cut
942 972
943############################################################################# 973#############################################################################
944# object support 974# object support
945#
946 975
976sub _object_equal($$);
977sub _object_equal($$) {
978 my ($a, $b) = @_;
979
980 return 0 unless (ref $a) eq (ref $b);
981
982 if ("HASH" eq ref $a) {
983 my @ka = keys %$a;
984 my @kb = keys %$b;
985
986 return 0 if @ka != @kb;
987
988 for (0 .. $#ka) {
989 return 0 unless $ka[$_] eq $kb[$_];
990 return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
991 }
992
993 } elsif ("ARRAY" eq ref $a) {
994
995 return 0 if @$a != @$b;
996
997 for (0 .. $#$a) {
998 return 0 unless _object_equal $a->[$_], $b->[$_];
999 }
1000
1001 } elsif ($a ne $b) {
1002 return 0;
1003 }
1004
1005 1
1006}
1007
1008our $SLOW_MERGES;#d#
947sub _can_merge { 1009sub _can_merge {
948 my ($ob1, $ob2) = @_; 1010 my ($ob1, $ob2) = @_;
949 1011
950 local $Storable::canonical = 1; 1012 ++$SLOW_MERGES;#d#
951 my $fob1 = Storable::freeze $ob1;
952 my $fob2 = Storable::freeze $ob2;
953 1013
954 $fob1 eq $fob2 1014 # we do the slow way here
1015 return _object_equal $ob1, $ob2
955} 1016}
956 1017
957sub reattach { 1018sub reattach {
958 # basically do the same as instantiate, without calling instantiate 1019 # basically do the same as instantiate, without calling instantiate
959 my ($obj) = @_; 1020 my ($obj) = @_;
… …
1007sub object_freezer_save { 1068sub object_freezer_save {
1008 my ($filename, $rdata, $objs) = @_; 1069 my ($filename, $rdata, $objs) = @_;
1009 1070
1010 sync_job { 1071 sync_job {
1011 if (length $$rdata) { 1072 if (length $$rdata) {
1073 utf8::decode (my $decname = $filename);
1012 warn sprintf "saving %s (%d,%d)\n", 1074 warn sprintf "saving %s (%d,%d)\n",
1013 $filename, length $$rdata, scalar @$objs; 1075 $decname, length $$rdata, scalar @$objs;
1014 1076
1015 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 1077 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
1016 chmod SAVE_MODE, $fh; 1078 chmod SAVE_MODE, $fh;
1017 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 1079 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
1018 aio_fsync $fh if $cf::USE_FSYNC; 1080 aio_fsync $fh if $cf::USE_FSYNC;
1019 close $fh; 1081 close $fh;
1020 1082
1021 if (@$objs) { 1083 if (@$objs) {
1022 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 1084 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
1023 chmod SAVE_MODE, $fh; 1085 chmod SAVE_MODE, $fh;
1024 my $data = Storable::nfreeze { version => 1, objs => $objs }; 1086 my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
1025 aio_write $fh, 0, (length $data), $data, 0; 1087 aio_write $fh, 0, (length $data), $data, 0;
1026 aio_fsync $fh if $cf::USE_FSYNC; 1088 aio_fsync $fh if $cf::USE_FSYNC;
1027 close $fh; 1089 close $fh;
1028 aio_rename "$filename.pst~", "$filename.pst"; 1090 aio_rename "$filename.pst~", "$filename.pst";
1029 } 1091 }
… …
1037 } 1099 }
1038 } else { 1100 } else {
1039 aio_unlink $filename; 1101 aio_unlink $filename;
1040 aio_unlink "$filename.pst"; 1102 aio_unlink "$filename.pst";
1041 } 1103 }
1042 } 1104 };
1043} 1105}
1044 1106
1045sub object_freezer_as_string { 1107sub object_freezer_as_string {
1046 my ($rdata, $objs) = @_; 1108 my ($rdata, $objs) = @_;
1047 1109
… …
1059 or return; 1121 or return;
1060 1122
1061 unless (aio_stat "$filename.pst") { 1123 unless (aio_stat "$filename.pst") {
1062 (aio_load "$filename.pst", $av) >= 0 1124 (aio_load "$filename.pst", $av) >= 0
1063 or return; 1125 or return;
1126
1064 $av = eval { (Storable::thaw $av)->{objs} }; 1127 my $st = eval { Coro::Storable::thaw $av };
1128 $av = $st->{objs};
1065 } 1129 }
1066 1130
1131 utf8::decode (my $decname = $filename);
1067 warn sprintf "loading %s (%d)\n", 1132 warn sprintf "loading %s (%d,%d)\n",
1068 $filename, length $data, scalar @{$av || []}; 1133 $decname, length $data, scalar @{$av || []};
1134
1069 return ($data, $av); 1135 ($data, $av)
1070} 1136}
1071 1137
1072=head2 COMMAND CALLBACKS 1138=head2 COMMAND CALLBACKS
1073 1139
1074=over 4 1140=over 4
… …
1260 1326
1261=head3 cf::player 1327=head3 cf::player
1262 1328
1263=over 4 1329=over 4
1264 1330
1331=item cf::player::num_playing
1332
1333Returns the official number of playing players, as per the Crossfire metaserver rules.
1334
1335=cut
1336
1337sub num_playing {
1338 scalar grep
1339 $_->ob->map
1340 && !$_->hidden
1341 && !$_->ob->flag (cf::FLAG_WIZ),
1342 cf::player::list
1343}
1344
1265=item cf::player::find $login 1345=item cf::player::find $login
1266 1346
1267Returns the given player object, loading it if necessary (might block). 1347Returns the given player object, loading it if necessary (might block).
1268 1348
1269=cut 1349=cut
… …
1304 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1384 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1385 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1386 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307 aio_unlink +(playerdir $login) . "/$login.pl"; 1387 aio_unlink +(playerdir $login) . "/$login.pl";
1308 1388
1309 my $pl = load_pl path $login 1389 my $f = new_from_file cf::object::thawer path $login
1310 or return; 1390 or return;
1391
1392 my $pl = cf::player::load_pl $f
1393 or return;
1394 local $cf::PLAYER_LOADING{$login} = $pl;
1395 $f->resolve_delayed_derefs;
1311 $cf::PLAYER{$login} = $pl 1396 $cf::PLAYER{$login} = $pl
1312 } 1397 }
1313 } 1398 }
1314} 1399}
1315 1400
… …
1755 1840
1756sub load_header_from($) { 1841sub load_header_from($) {
1757 my ($self, $path) = @_; 1842 my ($self, $path) = @_;
1758 1843
1759 utf8::encode $path; 1844 utf8::encode $path;
1760 #aio_open $path, O_RDONLY, 0 1845 my $f = new_from_file cf::object::thawer $path
1761 # or return;
1762
1763 $self->_load_header ($path)
1764 or return; 1846 or return;
1847
1848 $self->_load_header ($f)
1849 or return;
1850
1851 local $MAP_LOADING{$self->{path}} = $self;
1852 $f->resolve_delayed_derefs;
1765 1853
1766 $self->{load_path} = $path; 1854 $self->{load_path} = $path;
1767 1855
1768 1 1856 1
1769} 1857}
… …
1823sub find { 1911sub find {
1824 my ($path, $origin) = @_; 1912 my ($path, $origin) = @_;
1825 1913
1826 $path = normalise $path, $origin && $origin->path; 1914 $path = normalise $path, $origin && $origin->path;
1827 1915
1916 cf::lock_wait "map_data:$path";#d#remove
1828 cf::lock_wait "map_find:$path"; 1917 cf::lock_wait "map_find:$path";
1829 1918
1830 $cf::MAP{$path} || do { 1919 $cf::MAP{$path} || do {
1831 my $guard = cf::lock_acquire "map_find:$path"; 1920 my $guard1 = cf::lock_acquire "map_find:$path";
1921 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1922
1832 my $map = new_from_path cf::map $path 1923 my $map = new_from_path cf::map $path
1833 or return; 1924 or return;
1834 1925
1835 $map->{last_save} = $cf::RUNTIME; 1926 $map->{last_save} = $cf::RUNTIME;
1836 1927
… …
1838 or return; 1929 or return;
1839 1930
1840 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1931 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1841 # doing this can freeze the server in a sync job, obviously 1932 # doing this can freeze the server in a sync job, obviously
1842 #$cf::WAIT_FOR_TICK->wait; 1933 #$cf::WAIT_FOR_TICK->wait;
1934 undef $guard1;
1935 undef $guard2;
1843 $map->reset; 1936 $map->reset;
1844 undef $guard;
1845 return find $path; 1937 return find $path;
1846 } 1938 }
1847 1939
1848 $cf::MAP{$path} = $map 1940 $cf::MAP{$path} = $map
1849 } 1941 }
… …
1858 local $self->{deny_reset} = 1; # loading can take a long time 1950 local $self->{deny_reset} = 1; # loading can take a long time
1859 1951
1860 my $path = $self->{path}; 1952 my $path = $self->{path};
1861 1953
1862 { 1954 {
1863 my $guard1 = cf::lock_acquire "map_data:$path"; 1955 my $guard = cf::lock_acquire "map_data:$path";
1864 my $guard2 = cf::lock_acquire "map_load:$path";
1865 1956
1957 return unless $self->valid;
1866 return if $self->in_memory != cf::MAP_SWAPPED; 1958 return unless $self->in_memory == cf::MAP_SWAPPED;
1867 1959
1868 $self->in_memory (cf::MAP_LOADING); 1960 $self->in_memory (cf::MAP_LOADING);
1869 1961
1870 $self->alloc; 1962 $self->alloc;
1871 1963
1872 $self->pre_load; 1964 $self->pre_load;
1873 cf::cede_to_tick; 1965 cf::cede_to_tick;
1874 1966
1967 my $f = new_from_file cf::object::thawer $self->{load_path};
1968 $f->skip_block;
1875 $self->_load_objects ($self->{load_path}, 1) 1969 $self->_load_objects ($f)
1876 or return; 1970 or return;
1877 1971
1878 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1972 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1879 if delete $self->{load_original}; 1973 if delete $self->{load_original};
1880 1974
1881 if (my $uniq = $self->uniq_path) { 1975 if (my $uniq = $self->uniq_path) {
1882 utf8::encode $uniq; 1976 utf8::encode $uniq;
1883 if (aio_open $uniq, O_RDONLY, 0) { 1977 unless (aio_stat $uniq) {
1978 if (my $f = new_from_file cf::object::thawer $uniq) {
1884 $self->clear_unique_items; 1979 $self->clear_unique_items;
1885 $self->_load_objects ($uniq, 0); 1980 $self->_load_objects ($f);
1981 $f->resolve_delayed_derefs;
1982 }
1886 } 1983 }
1887 } 1984 }
1985
1986 $f->resolve_delayed_derefs;
1888 1987
1889 cf::cede_to_tick; 1988 cf::cede_to_tick;
1890 # now do the right thing for maps 1989 # now do the right thing for maps
1891 $self->link_multipart_objects; 1990 $self->link_multipart_objects;
1892 $self->difficulty ($self->estimate_difficulty) 1991 $self->difficulty ($self->estimate_difficulty)
… …
1978 } 2077 }
1979 2078
1980 $MAP_PREFETCH{$path} |= $load; 2079 $MAP_PREFETCH{$path} |= $load;
1981 2080
1982 $MAP_PREFETCHER ||= cf::async { 2081 $MAP_PREFETCHER ||= cf::async {
2082 $Coro::current->{desc} = "map prefetcher";
2083
1983 while (%MAP_PREFETCH) { 2084 while (%MAP_PREFETCH) {
1984 while (my ($k, $v) = each %MAP_PREFETCH) { 2085 while (my ($k, $v) = each %MAP_PREFETCH) {
1985 if (my $map = find $k) { 2086 if (my $map = find $k) {
1986 $map->load if $v; 2087 $map->load if $v;
1987 } 2088 }
… …
2013 return if $self->{deny_save}; 2114 return if $self->{deny_save};
2014 2115
2015 local $self->{last_access} = $self->last_access;#d# 2116 local $self->{last_access} = $self->last_access;#d#
2016 2117
2017 cf::async { 2118 cf::async {
2119 $Coro::current->{desc} = "map player save";
2018 $_->contr->save for $self->players; 2120 $_->contr->save for $self->players;
2019 }; 2121 };
2020 2122
2021 if ($uniq) { 2123 if ($uniq) {
2022 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 2124 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
… …
2036 2138
2037 return if $self->players; 2139 return if $self->players;
2038 return if $self->in_memory != cf::MAP_IN_MEMORY; 2140 return if $self->in_memory != cf::MAP_IN_MEMORY;
2039 return if $self->{deny_save}; 2141 return if $self->{deny_save};
2040 2142
2143 $self->in_memory (cf::MAP_SWAPPED);
2144
2145 $self->deactivate;
2146 $_->clear_links_to ($self) for values %cf::MAP;
2041 $self->clear; 2147 $self->clear;
2042 $self->in_memory (cf::MAP_SWAPPED);
2043} 2148}
2044 2149
2045sub reset_at { 2150sub reset_at {
2046 my ($self) = @_; 2151 my ($self) = @_;
2047 2152
… …
2079 if $uniq; 2184 if $uniq;
2080 } 2185 }
2081 2186
2082 delete $cf::MAP{$self->path}; 2187 delete $cf::MAP{$self->path};
2083 2188
2189 $self->deactivate;
2190 $_->clear_links_to ($self) for values %cf::MAP;
2084 $self->clear; 2191 $self->clear;
2085
2086 $_->clear_links_to ($self) for values %cf::MAP;
2087 2192
2088 $self->unlink_save; 2193 $self->unlink_save;
2089 $self->destroy; 2194 $self->destroy;
2090} 2195}
2091 2196
… …
2192 2297
2193sub inv_recursive { 2298sub inv_recursive {
2194 inv_recursive_ inv $_[0] 2299 inv_recursive_ inv $_[0]
2195} 2300}
2196 2301
2302=item $ref = $ob->ref
2303
2304creates and returns a persistent reference to an objetc that can be stored as a string.
2305
2306=item $ob = cf::object::deref ($refstring)
2307
2308returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2309even if the object actually exists. May block.
2310
2311=cut
2312
2313sub deref {
2314 my ($ref) = @_;
2315
2316 if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
2317 my ($uuid, $name) = ($1, $2);
2318 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2319 or return;
2320 $pl->ob->uuid eq $uuid
2321 or return;
2322
2323 $pl->ob
2324 } else {
2325 warn "$ref: cannot resolve object reference\n";
2326 undef
2327 }
2328}
2329
2197package cf; 2330package cf;
2198 2331
2199=back 2332=back
2200 2333
2201=head3 cf::object::player 2334=head3 cf::object::player
… …
2359 my $gen = $self->{_goto_generation} = ++$GOTOGEN; 2492 my $gen = $self->{_goto_generation} = ++$GOTOGEN;
2360 2493
2361 $self->enter_link; 2494 $self->enter_link;
2362 2495
2363 (async { 2496 (async {
2497 $Coro::current->{desc} = "player::goto $path $x $y";
2498
2499 # *tag paths override both path and x|y
2500 if ($path =~ /^\*(.*)$/) {
2501 if (my @obs = grep $_->map, ext::map_tags::find $1) {
2502 my $ob = $obs[rand @obs];
2503
2504 # see if we actually can go there
2505 if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
2506 $ob = $obs[rand @obs];
2507 } else {
2508 $self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
2509 }
2510 # else put us there anyways for now #d#
2511
2512 ($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
2513 } else {
2514 ($path, $x, $y) = (undef, undef, undef);
2515 }
2516 }
2517
2364 my $map = eval { 2518 my $map = eval {
2365 my $map = cf::map::find $path; 2519 my $map = defined $path ? cf::map::find $path : undef;
2366 2520
2367 if ($map) { 2521 if ($map) {
2368 $map = $map->customise_for ($self); 2522 $map = $map->customise_for ($self);
2369 $map = $check->($map) if $check && $map; 2523 $map = $check->($map) if $check && $map;
2370 } else { 2524 } else {
2371 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 2525 $self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
2372 } 2526 }
2373 2527
2374 $map 2528 $map
2375 }; 2529 };
2376 2530
… …
2466 # if exit is damned, update players death & WoR home-position 2620 # if exit is damned, update players death & WoR home-position
2467 $self->contr->savebed ($slaying, $hp, $sp) 2621 $self->contr->savebed ($slaying, $hp, $sp)
2468 if $exit->flag (FLAG_DAMNED); 2622 if $exit->flag (FLAG_DAMNED);
2469 2623
2470 (async { 2624 (async {
2625 $Coro::current->{desc} = "enter_exit $slaying $hp $sp";
2626
2471 $self->deactivate_recursive; # just to be sure 2627 $self->deactivate_recursive; # just to be sure
2472 unless (eval { 2628 unless (eval {
2473 $self->goto ($slaying, $hp, $sp); 2629 $self->goto ($slaying, $hp, $sp);
2474 2630
2475 1; 2631 1;
… …
2512 2668
2513=cut 2669=cut
2514 2670
2515our %CHANNEL = ( 2671our %CHANNEL = (
2516 "c/identify" => { 2672 "c/identify" => {
2517 id => "identify", 2673 id => "infobox",
2518 title => "Identify", 2674 title => "Identify",
2519 reply => undef, 2675 reply => undef,
2520 tooltip => "Items recently identified", 2676 tooltip => "Items recently identified",
2521 }, 2677 },
2522 "c/examine" => { 2678 "c/examine" => {
2523 id => "examine", 2679 id => "infobox",
2524 title => "Examine", 2680 title => "Examine",
2525 reply => undef, 2681 reply => undef,
2526 tooltip => "Signs and other items you examined", 2682 tooltip => "Signs and other items you examined",
2527 }, 2683 },
2684 "c/book" => {
2685 id => "infobox",
2686 title => "Book",
2687 reply => undef,
2688 tooltip => "The contents of a note or book",
2689 },
2690 "c/lookat" => {
2691 id => "infobox",
2692 title => "Look",
2693 reply => undef,
2694 tooltip => "What you saw there",
2695 },
2528); 2696);
2529 2697
2530sub cf::client::send_msg { 2698sub cf::client::send_msg {
2531 my ($self, $channel, $msg, $color, @extra) = @_; 2699 my ($self, $channel, $msg, $color, @extra) = @_;
2532 2700
2533 $msg = $self->pl->expand_cfpod ($msg); 2701 $msg = $self->pl->expand_cfpod ($msg);
2534 2702
2535 $color &= cf::NDI_CLIENT_MASK; # just in case... 2703 $color &= cf::NDI_CLIENT_MASK; # just in case...
2536 2704
2537 # check predefined channels, for the benefit of C 2705 # check predefined channels, for the benefit of C
2538 $channel = $CHANNEL{$channel} if $CHANNEL{$channel}; 2706 if ($CHANNEL{$channel}) {
2707 $channel = $CHANNEL{$channel};
2539 2708
2709 $self->ext_msg (channel_info => $channel)
2710 if $self->can_msg;
2711
2712 $channel = $channel->{id};
2713
2540 if (ref $channel) { 2714 } elsif (ref $channel) {
2541 # send meta info to client, if not yet sent 2715 # send meta info to client, if not yet sent
2542 unless (exists $self->{channel}{$channel->{id}}) { 2716 unless (exists $self->{channel}{$channel->{id}}) {
2543 $self->{channel}{$channel->{id}} = $channel; 2717 $self->{channel}{$channel->{id}} = $channel;
2544 $self->ext_msg (channel_info => $channel) 2718 $self->ext_msg (channel_info => $channel)
2545 if $self->can_msg; 2719 if $self->can_msg;
… …
2762=pod 2936=pod
2763 2937
2764The following functions and methods are available within a safe environment: 2938The following functions and methods are available within a safe environment:
2765 2939
2766 cf::object 2940 cf::object
2767 contr pay_amount pay_player map x y force_find force_add 2941 contr pay_amount pay_player map x y force_find force_add destroy
2768 insert remove name archname title slaying race decrease_ob_nr 2942 insert remove name archname title slaying race decrease_ob_nr
2769 2943
2770 cf::object::player 2944 cf::object::player
2771 player 2945 player
2772 2946
… …
2779=cut 2953=cut
2780 2954
2781for ( 2955for (
2782 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 2956 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2783 insert remove inv name archname title slaying race 2957 insert remove inv name archname title slaying race
2784 decrease_ob_nr)], 2958 decrease_ob_nr destroy)],
2785 ["cf::object::player" => qw(player)], 2959 ["cf::object::player" => qw(player)],
2786 ["cf::player" => qw(peaceful)], 2960 ["cf::player" => qw(peaceful)],
2787 ["cf::map" => qw(trigger)], 2961 ["cf::map" => qw(trigger)],
2788) { 2962) {
2789 no strict 'refs'; 2963 no strict 'refs';
… …
3064sub main { 3238sub main {
3065 # we must not ever block the main coroutine 3239 # we must not ever block the main coroutine
3066 local $Coro::idle = sub { 3240 local $Coro::idle = sub {
3067 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 3241 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
3068 (async { 3242 (async {
3243 $Coro::current->{desc} = "IDLE BUG HANDLER";
3069 Event::one_event; 3244 Event::one_event;
3070 })->prio (Coro::PRIO_MAX); 3245 })->prio (Coro::PRIO_MAX);
3071 }; 3246 };
3072 3247
3073 reload_config; 3248 reload_config;
… …
3145 # and maps saved/destroyed asynchronously. 3320 # and maps saved/destroyed asynchronously.
3146 warn "begin emergency player save\n"; 3321 warn "begin emergency player save\n";
3147 for my $login (keys %cf::PLAYER) { 3322 for my $login (keys %cf::PLAYER) {
3148 my $pl = $cf::PLAYER{$login} or next; 3323 my $pl = $cf::PLAYER{$login} or next;
3149 $pl->valid or next; 3324 $pl->valid or next;
3325 delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
3150 $pl->save; 3326 $pl->save;
3151 } 3327 }
3152 warn "end emergency player save\n"; 3328 warn "end emergency player save\n";
3153 3329
3154 warn "begin emergency map save\n"; 3330 warn "begin emergency map save\n";
… …
3202 3378
3203 warn "flushing outstanding aio requests"; 3379 warn "flushing outstanding aio requests";
3204 for (;;) { 3380 for (;;) {
3205 BDB::flush; 3381 BDB::flush;
3206 IO::AIO::flush; 3382 IO::AIO::flush;
3207 Coro::cede; 3383 Coro::cede_notself;
3208 last unless IO::AIO::nreqs || BDB::nreqs; 3384 last unless IO::AIO::nreqs || BDB::nreqs;
3209 warn "iterate..."; 3385 warn "iterate...";
3210 } 3386 }
3211 3387
3212 ++$RELOAD; 3388 ++$RELOAD;
… …
3317register_command "reload" => sub { 3493register_command "reload" => sub {
3318 my ($who, $arg) = @_; 3494 my ($who, $arg) = @_;
3319 3495
3320 if ($who->flag (FLAG_WIZ)) { 3496 if ($who->flag (FLAG_WIZ)) {
3321 $who->message ("reloading server."); 3497 $who->message ("reloading server.");
3498 async {
3499 $Coro::current->{desc} = "perl_reload";
3322 async { reload_perl }; 3500 reload_perl;
3501 };
3323 } 3502 }
3324}; 3503};
3325 3504
3326unshift @INC, $LIBDIR; 3505unshift @INC, $LIBDIR;
3327 3506
… …
3346 my $signal = new Coro::Signal; 3525 my $signal = new Coro::Signal;
3347 push @WAIT_FOR_TICK_BEGIN, $signal; 3526 push @WAIT_FOR_TICK_BEGIN, $signal;
3348 $signal->wait; 3527 $signal->wait;
3349} 3528}
3350 3529
3351 my $min = 1e6;#d#
3352 my $avg = 10;
3353$TICK_WATCHER = Event->timer ( 3530$TICK_WATCHER = Event->timer (
3354 reentrant => 0, 3531 reentrant => 0,
3355 parked => 1, 3532 parked => 1,
3356 prio => 0, 3533 prio => 0,
3357 at => $NEXT_TICK || $TICK, 3534 at => $NEXT_TICK || $TICK,
… …
3365 3542
3366 $NOW = $tick_start = Event::time; 3543 $NOW = $tick_start = Event::time;
3367 3544
3368 cf::server_tick; # one server iteration 3545 cf::server_tick; # one server iteration
3369 3546
3370 0 && sync_job {#d#
3371 for(1..10) {
3372 my $t = Event::time;
3373 my $map = my $map = new_from_path cf::map "/tmp/x.map"
3374 or die;
3375
3376 $map->width (50);
3377 $map->height (50);
3378 $map->alloc;
3379 $map->_load_objects ("/tmp/x.map", 1);
3380 my $t = Event::time - $t;
3381
3382 #next unless $t < 0.0013;#d#
3383 if ($t < $min) {
3384 $min = $t;
3385 }
3386 $avg = $avg * 0.99 + $t * 0.01;
3387 }
3388 warn "XXXXXXXXXXXXXXXXXX min $min avg $avg\n";#d#
3389 exit 0;
3390 # 2007-05-22 02:33:04.569 min 0.00112509727478027 avg 0.0012259249572477
3391 };
3392
3393 $RUNTIME += $TICK; 3547 $RUNTIME += $TICK;
3394 $NEXT_TICK += $TICK; 3548 $NEXT_TICK += $TICK;
3395 3549
3396 if ($NOW >= $NEXT_RUNTIME_WRITE) { 3550 if ($NOW >= $NEXT_RUNTIME_WRITE) {
3397 $NEXT_RUNTIME_WRITE = $NOW + 10; 3551 $NEXT_RUNTIME_WRITE = $NOW + 10;
3398 Coro::async_pool { 3552 Coro::async_pool {
3553 $Coro::current->{desc} = "runtime saver";
3399 write_runtime 3554 write_runtime
3400 or warn "ERROR: unable to write runtime file: $!"; 3555 or warn "ERROR: unable to write runtime file: $!";
3401 }; 3556 };
3402 } 3557 }
3403 3558
3404# my $AFTER = Event::time;
3405# warn $AFTER - $NOW;#d#
3406
3407 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { 3559 if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
3408 $sig->send; 3560 $sig->send;
3409 } 3561 }
3410 while (my $sig = shift @WAIT_FOR_TICK) { 3562 while (my $sig = shift @WAIT_FOR_TICK) {
3411 $sig->send; 3563 $sig->send;
… …
3421 3573
3422 $LOAD = ($NOW - $tick_start) / $TICK; 3574 $LOAD = ($NOW - $tick_start) / $TICK;
3423 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25; 3575 $LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
3424 3576
3425 _post_tick; 3577 _post_tick;
3426
3427
3428 }, 3578 },
3429); 3579);
3430 3580
3431{ 3581{
3582 BDB::min_parallel 8;
3432 BDB::max_poll_time $TICK * 0.1; 3583 BDB::max_poll_time $TICK * 0.1;
3433 $BDB_POLL_WATCHER = Event->io ( 3584 $BDB_POLL_WATCHER = Event->io (
3434 reentrant => 0, 3585 reentrant => 0,
3435 fd => BDB::poll_fileno, 3586 fd => BDB::poll_fileno,
3436 poll => 'r', 3587 poll => 'r',
3437 prio => 0, 3588 prio => 0,
3438 data => WF_AUTOCANCEL, 3589 data => WF_AUTOCANCEL,
3439 cb => \&BDB::poll_cb, 3590 cb => \&BDB::poll_cb,
3440 ); 3591 );
3441 BDB::min_parallel 8;
3442 3592
3443 BDB::set_sync_prepare { 3593 BDB::set_sync_prepare {
3444 my $status; 3594 my $status;
3445 my $current = $Coro::current; 3595 my $current = $Coro::current;
3446 ( 3596 (
… …
3455 ) 3605 )
3456 }; 3606 };
3457 3607
3458 unless ($DB_ENV) { 3608 unless ($DB_ENV) {
3459 $DB_ENV = BDB::db_env_create; 3609 $DB_ENV = BDB::db_env_create;
3610 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC
3611 | BDB::LOG_AUTOREMOVE, 1);
3612 $DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
3613 $DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
3460 3614
3461 cf::sync_job { 3615 cf::sync_job {
3462 eval { 3616 eval {
3463 BDB::db_env_open 3617 BDB::db_env_open
3464 $DB_ENV, 3618 $DB_ENV,
… …
3466 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN 3620 BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
3467 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, 3621 | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
3468 0666; 3622 0666;
3469 3623
3470 cf::cleanup "db_env_open($BDBDIR): $!" if $!; 3624 cf::cleanup "db_env_open($BDBDIR): $!" if $!;
3471
3472 $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
3473 $DB_ENV->set_lk_detect;
3474 }; 3625 };
3475 3626
3476 cf::cleanup "db_env_open(db): $@" if $@; 3627 cf::cleanup "db_env_open(db): $@" if $@;
3477 }; 3628 };
3478 } 3629 }
3630
3631 $BDB_DEADLOCK_WATCHER = Event->timer (
3632 after => 3,
3633 interval => 1,
3634 hard => 1,
3635 prio => 0,
3636 data => WF_AUTOCANCEL,
3637 cb => sub {
3638 BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
3639 },
3640 );
3641 $BDB_CHECKPOINT_WATCHER = Event->timer (
3642 after => 11,
3643 interval => 60,
3644 hard => 1,
3645 prio => 0,
3646 data => WF_AUTOCANCEL,
3647 cb => sub {
3648 BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
3649 },
3650 );
3651 $BDB_TRICKLE_WATCHER = Event->timer (
3652 after => 5,
3653 interval => 10,
3654 hard => 1,
3655 prio => 0,
3656 data => WF_AUTOCANCEL,
3657 cb => sub {
3658 BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
3659 },
3660 );
3479} 3661}
3480 3662
3481{ 3663{
3482 IO::AIO::min_parallel 8; 3664 IO::AIO::min_parallel 8;
3483 3665
… …
3486 $AIO_POLL_WATCHER = Event->io ( 3668 $AIO_POLL_WATCHER = Event->io (
3487 reentrant => 0, 3669 reentrant => 0,
3488 data => WF_AUTOCANCEL, 3670 data => WF_AUTOCANCEL,
3489 fd => IO::AIO::poll_fileno, 3671 fd => IO::AIO::poll_fileno,
3490 poll => 'r', 3672 poll => 'r',
3491 prio => 6, 3673 prio => 0,
3492 cb => \&IO::AIO::poll_cb, 3674 cb => \&IO::AIO::poll_cb,
3493 ); 3675 );
3494} 3676}
3495 3677
3496my $_log_backtrace; 3678my $_log_backtrace;
… …
3502 3684
3503 # limit the # of concurrent backtraces 3685 # limit the # of concurrent backtraces
3504 if ($_log_backtrace < 2) { 3686 if ($_log_backtrace < 2) {
3505 ++$_log_backtrace; 3687 ++$_log_backtrace;
3506 async { 3688 async {
3689 $Coro::current->{desc} = "abt $msg";
3690
3507 my @bt = fork_call { 3691 my @bt = fork_call {
3508 @addr = map { sprintf "%x", $_ } @addr; 3692 @addr = map { sprintf "%x", $_ } @addr;
3509 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; 3693 my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
3510 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" 3694 open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
3511 or die "addr2line: $!"; 3695 or die "addr2line: $!";

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