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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.189 by root, Sun Jan 21 21:28:27 2007 UTC vs.
Revision 1.223 by root, Sun Mar 11 02:12:44 2007 UTC

… …
8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.4 (); 13use Coro 3.5 ();
14use Coro::Event; 14use Coro::Event;
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;
58our $USE_FSYNC = 1; # use fsync to write maps - default off
59
60our $BDB_POLL_WATCHER;
61our $DB_ENV;
53 62
54our %CFG; 63our %CFG;
55 64
56our $UPTIME; $UPTIME ||= time; 65our $UPTIME; $UPTIME ||= time;
57our $RUNTIME; 66our $RUNTIME;
58 67
59our %PLAYER; # all users 68our %PLAYER; # all users
60our %MAP; # all maps 69our %MAP; # all maps
61our $LINK_MAP; # the special {link} map, which is always available 70our $LINK_MAP; # the special {link} map, which is always available
62our $RANDOM_MAPS = cf::localdir . "/random"; 71our $RANDOM_MAPS = cf::localdir . "/random";
72our $BDB_ENV_DIR = cf::localdir . "/db";
63 73
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; 74our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; 75our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66 76
67# 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 ∕
… …
80mkdir cf::localdir; 90mkdir cf::localdir;
81mkdir cf::localdir . "/" . cf::playerdir; 91mkdir cf::localdir . "/" . cf::playerdir;
82mkdir cf::localdir . "/" . cf::tmpdir; 92mkdir cf::localdir . "/" . cf::tmpdir;
83mkdir cf::localdir . "/" . cf::uniquedir; 93mkdir cf::localdir . "/" . cf::uniquedir;
84mkdir $RANDOM_MAPS; 94mkdir $RANDOM_MAPS;
95mkdir $BDB_ENV_DIR;
85 96
86our $EMERGENCY_POSITION; 97our $EMERGENCY_POSITION;
98
99sub cf::map::normalise;
87 100
88############################################################################# 101#############################################################################
89 102
90=head2 GLOBAL VARIABLES 103=head2 GLOBAL VARIABLES
91 104
… …
261sub freeze_mainloop { 274sub freeze_mainloop {
262 return unless $TICK_WATCHER->is_active; 275 return unless $TICK_WATCHER->is_active;
263 276
264 my $guard = Coro::guard { 277 my $guard = Coro::guard {
265 $TICK_WATCHER->start; 278 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 }; 279 };
268 $WRITE_RUNTIME_WATCHER->stop;
269 $TICK_WATCHER->stop; 280 $TICK_WATCHER->stop;
270 $guard 281 $guard
271} 282}
272 283
273=item cf::async { BLOCK } 284=item cf::async { BLOCK }
… …
344 355
345 $coro 356 $coro
346} 357}
347 358
348sub write_runtime { 359sub write_runtime {
360 my $guard = cf::lock_acquire "write_runtime";
361
349 my $runtime = cf::localdir . "/runtime"; 362 my $runtime = cf::localdir . "/runtime";
350 363
351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 364 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
352 or return; 365 or return;
353 366
… …
356 # 60 allows for the watchdog to kill the server. 369 # 60 allows for the watchdog to kill the server.
357 370
358 (aio_write $fh, 0, (length $value), $value, 0) <= 0 371 (aio_write $fh, 0, (length $value), $value, 0) <= 0
359 and return; 372 and return;
360 373
374 # always fsync - this file is important
361 aio_fsync $fh 375 aio_fsync $fh
362 and return; 376 and return;
363 377
364 close $fh 378 close $fh
365 or return; 379 or return;
… …
750 $filename, length $$rdata, scalar @$objs; 764 $filename, length $$rdata, scalar @$objs;
751 765
752 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { 766 if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
753 chmod SAVE_MODE, $fh; 767 chmod SAVE_MODE, $fh;
754 aio_write $fh, 0, (length $$rdata), $$rdata, 0; 768 aio_write $fh, 0, (length $$rdata), $$rdata, 0;
755 aio_fsync $fh; 769 aio_fsync $fh if $cf::USE_FSYNC;
756 close $fh; 770 close $fh;
757 771
758 if (@$objs) { 772 if (@$objs) {
759 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { 773 if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
760 chmod SAVE_MODE, $fh; 774 chmod SAVE_MODE, $fh;
761 my $data = Storable::nfreeze { version => 1, objs => $objs }; 775 my $data = Storable::nfreeze { version => 1, objs => $objs };
762 aio_write $fh, 0, (length $data), $data, 0; 776 aio_write $fh, 0, (length $data), $data, 0;
763 aio_fsync $fh; 777 aio_fsync $fh if $cf::USE_FSYNC;
764 close $fh; 778 close $fh;
765 aio_rename "$filename.pst~", "$filename.pst"; 779 aio_rename "$filename.pst~", "$filename.pst";
766 } 780 }
767 } else { 781 } else {
768 aio_unlink "$filename.pst"; 782 aio_unlink "$filename.pst";
… …
1017=cut 1031=cut
1018 1032
1019sub quit_character { 1033sub quit_character {
1020 my ($pl) = @_; 1034 my ($pl) = @_;
1021 1035
1036 my $name = $pl->ob->name;
1037
1022 $pl->{deny_save} = 1; 1038 $pl->{deny_save} = 1;
1023 $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
1024 1040
1025 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; 1041 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1026 $pl->deactivate; 1042 $pl->deactivate;
… …
1030 my $path = playerdir $pl; 1046 my $path = playerdir $pl;
1031 my $temp = "$path~$cf::RUNTIME~deleting~"; 1047 my $temp = "$path~$cf::RUNTIME~deleting~";
1032 aio_rename $path, $temp; 1048 aio_rename $path, $temp;
1033 delete $cf::PLAYER{$pl->ob->name}; 1049 delete $cf::PLAYER{$pl->ob->name};
1034 $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
1035 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 $pl->ns->destroy;
1036} 1072}
1037 1073
1038=item cf::player::list_logins 1074=item cf::player::list_logins
1039 1075
1040Returns am arrayref of all valid playernames in the system, can take a 1076Returns am arrayref of all valid playernames in the system, can take a
… …
1068=cut 1104=cut
1069 1105
1070sub maps($) { 1106sub maps($) {
1071 my ($pl) = @_; 1107 my ($pl) = @_;
1072 1108
1109 $pl = ref $pl ? $pl->ob->name : $pl;
1110
1073 my $files = aio_readdir playerdir $pl 1111 my $files = aio_readdir playerdir $pl
1074 or return; 1112 or return;
1075 1113
1076 my @paths; 1114 my @paths;
1077 1115
1078 for (@$files) { 1116 for (@$files) {
1079 utf8::decode $_; 1117 utf8::decode $_;
1080 next if /\.(?:pl|pst)$/; 1118 next if /\.(?:pl|pst)$/;
1081 next unless /^$PATH_SEP/o; 1119 next unless /^$PATH_SEP/o;
1082 1120
1083 s/\.map$//; 1121 push @paths, cf::map::normalise "~$pl/$_";
1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1085 } 1122 }
1086 1123
1087 \@paths 1124 \@paths
1088} 1125}
1089 1126
… …
1176} 1213}
1177 1214
1178sub normalise { 1215sub normalise {
1179 my ($path, $base) = @_; 1216 my ($path, $base) = @_;
1180 1217
1218 $path = "$path"; # make sure its a string
1219
1220 $path =~ s/\.map$//;
1221
1181 # map plan: 1222 # map plan:
1182 # 1223 #
1183 # /! non-realised random map exit (special hack!) 1224 # /! non-realised random map exit (special hack!)
1184 # {... are special paths that are not being touched 1225 # {... are special paths that are not being touched
1185 # ?xxx/... are special absolute paths 1226 # ?xxx/... are special absolute paths
… …
1221 $self->init; # pass $1 etc. 1262 $self->init; # pass $1 etc.
1222 return $self; 1263 return $self;
1223 } 1264 }
1224 } 1265 }
1225 1266
1226 Carp::carp "unable to resolve path '$path'."; 1267 Carp::carp "unable to resolve path '$path' (base '$base').";
1227 () 1268 ()
1228} 1269}
1229 1270
1230sub init { 1271sub init {
1231 my ($self) = @_; 1272 my ($self) = @_;
… …
1246 1287
1247# the original (read-only) location 1288# the original (read-only) location
1248sub load_path { 1289sub load_path {
1249 my ($self) = @_; 1290 my ($self) = @_;
1250 1291
1251 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} 1292 sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
1252} 1293}
1253 1294
1254# the temporary/swap location 1295# the temporary/swap location
1255sub save_path { 1296sub save_path {
1256 my ($self) = @_; 1297 my ($self) = @_;
1257 1298
1258 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; 1299 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path 1300 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
1260} 1301}
1261 1302
1262# the unique path, undef == no special unique path 1303# the unique path, undef == no special unique path
1263sub uniq_path { 1304sub uniq_path {
1264 my ($self) = @_; 1305 my ($self) = @_;
… …
1286 1327
1287sub load_header_from($) { 1328sub load_header_from($) {
1288 my ($self, $path) = @_; 1329 my ($self, $path) = @_;
1289 1330
1290 utf8::encode $path; 1331 utf8::encode $path;
1291 aio_open $path, O_RDONLY, 0 1332 #aio_open $path, O_RDONLY, 0
1292 or return; 1333 # or return;
1293 1334
1294 $self->_load_header ($path) 1335 $self->_load_header ($path)
1295 or return; 1336 or return;
1296 1337
1297 $self->{load_path} = $path; 1338 $self->{load_path} = $path;
… …
1360 $map->{last_save} = $cf::RUNTIME; 1401 $map->{last_save} = $cf::RUNTIME;
1361 1402
1362 $map->load_header 1403 $map->load_header
1363 or return; 1404 or return;
1364 1405
1365 if ($map->should_reset) { 1406 if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
1366 # doing this can freeze the server in a sync job, obviously 1407 # doing this can freeze the server in a sync job, obviously
1367 #$cf::WAIT_FOR_TICK->wait; 1408 #$cf::WAIT_FOR_TICK->wait;
1368 $map->reset; 1409 $map->reset;
1369 undef $guard; 1410 undef $guard;
1370 $map = find $path 1411 return find $path;
1371 or return;
1372 } 1412 }
1373 1413
1374 $cf::MAP{$path} = $map 1414 $cf::MAP{$path} = $map
1375 } 1415 }
1376} 1416}
… …
1378sub pre_load { } 1418sub pre_load { }
1379sub post_load { } 1419sub post_load { }
1380 1420
1381sub load { 1421sub load {
1382 my ($self) = @_; 1422 my ($self) = @_;
1423
1424 local $self->{deny_reset} = 1; # loading can take a long time
1383 1425
1384 my $path = $self->{path}; 1426 my $path = $self->{path};
1385 my $guard = cf::lock_acquire "map_load:$path"; 1427 my $guard = cf::lock_acquire "map_load:$path";
1386 1428
1387 return if $self->in_memory != cf::MAP_SWAPPED; 1429 return if $self->in_memory != cf::MAP_SWAPPED;
… …
1576 return if $self->players; 1618 return if $self->players;
1577 return if $self->isa ("ext::map_per_player");#d# 1619 return if $self->isa ("ext::map_per_player");#d#
1578 1620
1579 warn "resetting map ", $self->path;#d# 1621 warn "resetting map ", $self->path;#d#
1580 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
1581 delete $cf::MAP{$self->path}; 1633 delete $cf::MAP{$self->path};
1582 1634
1583 $self->in_memory (cf::MAP_SWAPPED);
1584 $self->clear; 1635 $self->clear;
1585 1636
1586 $_->clear_links_to ($self) for values %cf::MAP; 1637 $_->clear_links_to ($self) for values %cf::MAP;
1587 1638
1588 $self->unlink_save; 1639 $self->unlink_save;
… …
1625 for (@$files) { 1676 for (@$files) {
1626 utf8::decode $_; 1677 utf8::decode $_;
1627 next if /\.pst$/; 1678 next if /\.pst$/;
1628 next unless /^$PATH_SEP/o; 1679 next unless /^$PATH_SEP/o;
1629 1680
1630 s/\.map$//; 1681 push @paths, cf::map::normalise $_;
1631 push @paths, $_;
1632 } 1682 }
1633 1683
1634 \@paths 1684 \@paths
1635} 1685}
1636 1686
… …
1730=cut 1780=cut
1731 1781
1732sub link_map { 1782sub link_map {
1733 unless ($LINK_MAP) { 1783 unless ($LINK_MAP) {
1734 $LINK_MAP = cf::map::find "{link}" 1784 $LINK_MAP = cf::map::find "{link}"
1735 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; 1785 or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1736 $LINK_MAP->load; 1786 $LINK_MAP->load;
1737 } 1787 }
1738 1788
1739 $LINK_MAP 1789 $LINK_MAP
1740} 1790}
… …
1747 return if UNIVERSAL::isa $self->map, "ext::map_link"; 1797 return if UNIVERSAL::isa $self->map, "ext::map_link";
1748 1798
1749 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1799 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1750 if $self->map; 1800 if $self->map;
1751 1801
1752 $self->enter_map ($LINK_MAP || link_map, 20, 20); 1802 $self->enter_map ($LINK_MAP || link_map, 10, 10);
1753} 1803}
1754 1804
1755sub cf::object::player::leave_link { 1805sub cf::object::player::leave_link {
1756 my ($self, $map, $x, $y) = @_; 1806 my ($self, $map, $x, $y) = @_;
1757 1807
… …
1779 $map->load; 1829 $map->load;
1780 $map->load_diag; 1830 $map->load_diag;
1781 1831
1782 return unless $self->contr->active; 1832 return unless $self->contr->active;
1783 $self->activate_recursive; 1833 $self->activate_recursive;
1834
1835 local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1784 $self->enter_map ($map, $x, $y); 1836 $self->enter_map ($map, $x, $y);
1785} 1837}
1786 1838
1787cf::player->attach ( 1839cf::player->attach (
1788 on_logout => sub { 1840 on_logout => sub {
… …
1801 # try to abort aborted map switching on player login :) 1853 # try to abort aborted map switching on player login :)
1802 # should happen only on crashes 1854 # should happen only on crashes
1803 if ($pl->ob->{_link_pos}) { 1855 if ($pl->ob->{_link_pos}) {
1804 $pl->ob->enter_link; 1856 $pl->ob->enter_link;
1805 (async { 1857 (async {
1806 # we need this sleep as the login has a concurrent enter_exit running
1807 # and this sleep increases chances of the player not ending up in scorn
1808 $pl->ob->reply (undef, 1858 $pl->ob->reply (undef,
1809 "There was an internal problem at your last logout, " 1859 "There was an internal problem at your last logout, "
1810 . "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.",
1811 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
1812 Coro::Timer::sleep 1; 1864 Coro::Timer::sleep 1;
1813 $pl->ob->leave_link; 1865 $pl->ob->leave_link;
1814 })->prio (2); 1866 })->prio (2);
1815 } 1867 }
1816 }, 1868 },
… …
1824 my ($self, $path, $x, $y) = @_; 1876 my ($self, $path, $x, $y) = @_;
1825 1877
1826 $self->enter_link; 1878 $self->enter_link;
1827 1879
1828 (async { 1880 (async {
1881 my $map = eval {
1829 my $map = cf::map::find $path; 1882 my $map = cf::map::find $path;
1830 $map = $map->customise_for ($self) if $map; 1883 $map = $map->customise_for ($self) if $map;
1831 1884 $map
1832# warn "entering ", $map->path, " at ($x, $y)\n" 1885 } or
1833# if $map;
1834
1835 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1886 $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1836 1887
1837 $self->leave_link ($map, $x, $y); 1888 $self->leave_link ($map, $x, $y);
1838 })->prio (1); 1889 })->prio (1);
1839} 1890}
1840 1891
… …
1871 # that depends on the exit object 1922 # that depends on the exit object
1872 1923
1873 my $rmp = parse_random_map_params $exit->msg; 1924 my $rmp = parse_random_map_params $exit->msg;
1874 1925
1875 if ($exit->map) { 1926 if ($exit->map) {
1876 $rmp->{region} = $exit->map->region_name; 1927 $rmp->{region} = $exit->region->name;
1877 $rmp->{origin_map} = $exit->map->path; 1928 $rmp->{origin_map} = $exit->map->path;
1878 $rmp->{origin_x} = $exit->x; 1929 $rmp->{origin_x} = $exit->x;
1879 $rmp->{origin_y} = $exit->y; 1930 $rmp->{origin_y} = $exit->y;
1880 } 1931 }
1881 1932
… …
1898sub cf::object::player::enter_exit { 1949sub cf::object::player::enter_exit {
1899 my ($self, $exit) = @_; 1950 my ($self, $exit) = @_;
1900 1951
1901 return unless $self->type == cf::PLAYER; 1952 return unless $self->type == cf::PLAYER;
1902 1953
1954 if ($exit->slaying eq "/!") {
1955 #TODO: this should de-fi-ni-te-ly not be a sync-job
1956 cf::sync_job { prepare_random_map $exit };
1957 }
1958
1959 my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1960 my $hp = $exit->stats->hp;
1961 my $sp = $exit->stats->sp;
1962
1903 $self->enter_link; 1963 $self->enter_link;
1904 1964
1905 (async { 1965 (async {
1906 $self->deactivate_recursive; # just to be sure 1966 $self->deactivate_recursive; # just to be sure
1907 unless (eval { 1967 unless (eval {
1908 prepare_random_map $exit 1968 $self->goto ($slaying, $hp, $sp);
1909 if $exit->slaying eq "/!";
1910
1911 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1912 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1913 1969
1914 1; 1970 1;
1915 }) { 1971 }) {
1916 $self->message ("Something went wrong deep within the crossfire server. " 1972 $self->message ("Something went wrong deep within the crossfire server. "
1917 . "I'll try to bring you back to the map you were before. " 1973 . "I'll try to bring you back to the map you were before. "
… …
1978 # get handled first 2034 # get handled first
1979 my $queue = delete $ns->{query_queue} 2035 my $queue = delete $ns->{query_queue}
1980 or return; # be conservative, not sure how that can happen, but we saw a crash here 2036 or return; # be conservative, not sure how that can happen, but we saw a crash here
1981 2037
1982 (shift @$queue)->[1]->($msg); 2038 (shift @$queue)->[1]->($msg);
2039 return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1983 2040
1984 push @{ $ns->{query_queue} }, @$queue; 2041 push @{ $ns->{query_queue} }, @$queue;
1985 2042
1986 if (@{ $ns->{query_queue} } == @$queue) { 2043 if (@{ $ns->{query_queue} } == @$queue) {
1987 if (@$queue) { 2044 if (@$queue) {
… …
2148The 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
2149using it, it should be unique. 2206using it, it should be unique.
2150 2207
2151=over 4 2208=over 4
2152 2209
2153=item $hashref = cf::db_get $family
2154
2155Return a hashref for use by the extension C<$family>, which can be
2156modified. After modifications, you have to call C<cf::db_dirty> or
2157C<cf::db_sync>.
2158
2159=item $value = cf::db_get $family => $key 2210=item $value = cf::db_get $family => $key
2160 2211
2161Returns a single value from the database 2212Returns a single value from the database.
2162
2163=item cf::db_put $family => $hashref
2164
2165Stores the given family hashref into the database. Updates are delayed, if
2166you want the data to be synced to disk immediately, use C<cf::db_sync>.
2167 2213
2168=item cf::db_put $family => $key => $value 2214=item cf::db_put $family => $key => $value
2169 2215
2170Stores the given C<$value> in the family hash. Updates are delayed, if you 2216Stores the given C<$value> in the family.
2171want the data to be synced to disk immediately, use C<cf::db_sync>.
2172
2173=item cf::db_dirty
2174
2175Marks the database as dirty, to be updated at a later time.
2176
2177=item cf::db_sync
2178
2179Immediately write the database to disk I<if it is dirty>.
2180 2217
2181=cut 2218=cut
2182 2219
2183our $DB; 2220our $DB;
2184 2221
2185{ 2222sub db_init {
2223 unless ($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
2186 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;
2187 2241
2188 sub db_load() { 2242 cf::db_put (board => data => $pst->{board});
2189 $DB = stat $path ? Storable::retrieve $path : { }; 2243 cf::db_put (guildrules => data => $pst->{guildrules});
2190 } 2244 cf::db_put (rent => balance => $pst->{rent}{balance});
2245 BDB::db_env_txn_checkpoint $DB_ENV;
2191 2246
2192 my $pid; 2247 unlink $path;
2193
2194 sub db_save() {
2195 waitpid $pid, 0 if $pid;
2196 if (0 == ($pid = fork)) {
2197 $DB->{_meta}{version} = 1;
2198 Storable::nstore $DB, "$path~";
2199 rename "$path~", $path;
2200 cf::_exit 0 if defined $pid;
2201 } 2248 };
2202 }
2203
2204 my $dirty;
2205
2206 sub db_sync() {
2207 db_save if $dirty;
2208 undef $dirty;
2209 }
2210
2211 my $idle = Event->idle (
2212 reentrant => 0,
2213 min => 10,
2214 max => 20,
2215 repeat => 0,
2216 data => WF_AUTOCANCEL,
2217 cb => \&db_sync,
2218 );
2219
2220 sub db_dirty() {
2221 $dirty = 1;
2222 $idle->start;
2223 }
2224
2225 sub db_get($;$) {
2226 @_ >= 2
2227 ? $DB->{$_[0]}{$_[1]}
2228 : ($DB->{$_[0]} ||= { })
2229 }
2230
2231 sub db_put($$;$) {
2232 if (@_ >= 3) {
2233 $DB->{$_[0]}{$_[1]} = $_[2];
2234 } else {
2235 $DB->{$_[0]} = $_[1];
2236 }
2237 db_dirty;
2238 }
2239
2240 cf::global->attach (
2241 prio => 10000,
2242 on_cleanup => sub {
2243 db_sync;
2244 }, 2249 }
2245 ); 2250 }
2251}
2252
2253sub db_get($$) {
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 { };
2246} 2267}
2247 2268
2248############################################################################# 2269#############################################################################
2249# the server's main() 2270# the server's init and main functions
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
2295sub reload_resources {
2296 load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
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;
2304}
2250 2305
2251sub cfg_load { 2306sub cfg_load {
2252 open my $fh, "<:utf8", cf::confdir . "/config" 2307 open my $fh, "<:utf8", cf::confdir . "/config"
2253 or return; 2308 or return;
2254 2309
… …
2277 Event::one_event; 2332 Event::one_event;
2278 })->prio (Coro::PRIO_MAX); 2333 })->prio (Coro::PRIO_MAX);
2279 }; 2334 };
2280 2335
2281 cfg_load; 2336 cfg_load;
2282 db_load; 2337 db_init;
2283 load_extensions; 2338 load_extensions;
2284 2339
2285 $TICK_WATCHER->start; 2340 $TICK_WATCHER->start;
2286 Event::loop; 2341 Event::loop;
2287} 2342}
… …
2294 for my $signal (qw(INT HUP TERM)) { 2349 for my $signal (qw(INT HUP TERM)) {
2295 Event->signal ( 2350 Event->signal (
2296 reentrant => 0, 2351 reentrant => 0,
2297 data => WF_AUTOCANCEL, 2352 data => WF_AUTOCANCEL,
2298 signal => $signal, 2353 signal => $signal,
2354 prio => 0,
2299 cb => sub { 2355 cb => sub {
2300 cf::cleanup "SIG$signal"; 2356 cf::cleanup "SIG$signal";
2301 }, 2357 },
2302 ); 2358 );
2303 } 2359 }
… …
2325 my $map = $cf::MAP{$path} or next; 2381 my $map = $cf::MAP{$path} or next;
2326 $map->valid or next; 2382 $map->valid or next;
2327 $map->save; 2383 $map->save;
2328 } 2384 }
2329 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 $DB_ENV;
2389 warn "end emergency database checkpoint\n";
2330 }; 2390 };
2331 2391
2332 warn "leave emergency perl save\n"; 2392 warn "leave emergency perl save\n";
2393}
2394
2395sub post_cleanup {
2396 my ($make_core) = @_;
2397
2398 warn Carp::longmess "post_cleanup backtrace"
2399 if $make_core;
2333} 2400}
2334 2401
2335sub reload() { 2402sub reload() {
2336 # can/must only be called in main 2403 # can/must only be called in main
2337 if ($Coro::current != $Coro::main) { 2404 if ($Coro::current != $Coro::main) {
… …
2339 return; 2406 return;
2340 } 2407 }
2341 2408
2342 warn "reloading..."; 2409 warn "reloading...";
2343 2410
2344 warn "cancelling server ticker"; 2411 warn "entering sync_job";
2345 $TICK_WATCHER->cancel;
2346 2412
2413 cf::sync_job {
2414 cf::write_runtime; # external watchdog should not bark
2347 cf::emergency_save; 2415 cf::emergency_save;
2416 cf::write_runtime; # external watchdog should not bark
2348 2417
2349 eval { 2418 warn "syncing database to disk";
2419 BDB::db_env_txn_checkpoint $DB_ENV;
2420
2350 # 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
2351
2352 warn "syncing database to disk";
2353 cf::db_sync;
2354 2422
2355 warn "cancelling all WF_AUTOCANCEL watchers"; 2423 warn "cancelling all WF_AUTOCANCEL watchers";
2356 for (Event::all_watchers) { 2424 for (Event::all_watchers) {
2357 $_->cancel if $_->data & WF_AUTOCANCEL; 2425 $_->cancel if $_->data & WF_AUTOCANCEL;
2358 } 2426 }
2359 2427
2360 warn "flushing outstanding aio requests"; 2428 warn "flushing outstanding aio requests";
2361 for (;;) { 2429 for (;;) {
2430 BDB::flush;
2362 IO::AIO::flush; 2431 IO::AIO::flush;
2363 Coro::cede; 2432 Coro::cede;
2364 last unless IO::AIO::nreqs; 2433 last unless IO::AIO::nreqs || BDB::nreqs;
2365 warn "iterate..."; 2434 warn "iterate...";
2366 } 2435 }
2436
2437 ++$RELOAD;
2367 2438
2368 warn "cancelling all extension coros"; 2439 warn "cancelling all extension coros";
2369 $_->cancel for values %EXT_CORO; 2440 $_->cancel for values %EXT_CORO;
2370 %EXT_CORO = (); 2441 %EXT_CORO = ();
2371 2442
… …
2424 require cf; 2495 require cf;
2425 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2496 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2426 2497
2427 warn "loading config and database again"; 2498 warn "loading config and database again";
2428 cf::cfg_load; 2499 cf::cfg_load;
2429 cf::db_load;
2430 2500
2431 warn "loading extensions"; 2501 warn "loading extensions";
2432 cf::load_extensions; 2502 cf::load_extensions;
2433 2503
2434 warn "reattaching attachments to objects/players"; 2504 warn "reattaching attachments to objects/players";
2435 _global_reattach; 2505 _global_reattach; # objects, sockets
2436 warn "reattaching attachments to maps"; 2506 warn "reattaching attachments to maps";
2437 reattach $_ for values %MAP; 2507 reattach $_ for values %MAP;
2508 warn "reattaching attachments to players";
2509 reattach $_ for values %PLAYER;
2438 2510
2439 warn "restarting server ticker"; 2511 warn "loading reloadable resources";
2512 reload_resources;
2440 2513
2441 $TICK_WATCHER->start; 2514 warn "leaving sync_job";
2442 };
2443 2515
2444 if ($@) { 2516 1
2517 } or do {
2445 warn $@; 2518 warn $@;
2446 warn "error while reloading, exiting."; 2519 warn "error while reloading, exiting.";
2447 exit 1; 2520 exit 1;
2448 } 2521 };
2449 2522
2450 warn "reloaded"; 2523 warn "reloaded";
2451}; 2524};
2452 2525
2453our $RELOAD_WATCHER; # used only during reload 2526our $RELOAD_WATCHER; # used only during reload
… …
2494 2567
2495 cf::server_tick; # one server iteration 2568 cf::server_tick; # one server iteration
2496 $RUNTIME += $TICK; 2569 $RUNTIME += $TICK;
2497 $NEXT_TICK += $TICK; 2570 $NEXT_TICK += $TICK;
2498 2571
2572 if ($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
2499 $WAIT_FOR_TICK->broadcast; 2580 $WAIT_FOR_TICK->broadcast;
2500 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; 2581 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2582
2583# my $AFTER = Event::time;
2584# warn $AFTER - $NOW;#d#
2501 2585
2502 # 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
2503 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2587 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2504 2588
2505 $TICK_WATCHER->at ($NEXT_TICK); 2589 $TICK_WATCHER->at ($NEXT_TICK);
2506 $TICK_WATCHER->start; 2590 $TICK_WATCHER->start;
2507 }, 2591 },
2508); 2592);
2509 2593
2594{
2510IO::AIO::max_poll_time $TICK * 0.2; 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;
2511 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
2512undef $Coro::AIO::WATCHER; 2647 undef $Coro::AIO::WATCHER;
2648 IO::AIO::max_poll_time $TICK * 0.1;
2513$AIO_POLL_WATCHER = Event->io ( 2649 $AIO_POLL_WATCHER = Event->io (
2514 reentrant => 0, 2650 reentrant => 0,
2651 data => WF_AUTOCANCEL,
2515 fd => IO::AIO::poll_fileno, 2652 fd => IO::AIO::poll_fileno,
2516 poll => 'r', 2653 poll => 'r',
2517 prio => 6, 2654 prio => 6,
2518 data => WF_AUTOCANCEL,
2519 cb => \&IO::AIO::poll_cb, 2655 cb => \&IO::AIO::poll_cb,
2520); 2656 );
2521 2657}
2522$WRITE_RUNTIME_WATCHER = Event->timer (
2523 reentrant => 0,
2524 data => WF_AUTOCANCEL,
2525 after => 1,
2526 interval => 10,
2527 prio => 6, # keep it lowest so it acts like a watchdog
2528 cb => Coro::unblock_sub {
2529 write_runtime
2530 or warn "ERROR: unable to write runtime file: $!";
2531 },
2532);
2533 2658
2534END { cf::emergency_save } 2659END { cf::emergency_save }
2535 2660
25361 26611
2537 2662

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