… | |
… | |
15 | use Coro::Timer; |
15 | use Coro::Timer; |
16 | use Coro::Signal; |
16 | use Coro::Signal; |
17 | use Coro::Semaphore; |
17 | use Coro::Semaphore; |
18 | use Coro::AIO; |
18 | use Coro::AIO; |
19 | |
19 | |
|
|
20 | use BDB (); |
20 | use Data::Dumper; |
21 | use Data::Dumper; |
21 | use Digest::MD5; |
22 | use Digest::MD5; |
22 | use Fcntl; |
23 | use Fcntl; |
23 | use IO::AIO 2.32 (); |
24 | use IO::AIO 2.32 (); |
24 | use YAML::Syck (); |
25 | use YAML::Syck (); |
25 | use Time::HiRes; |
26 | use Time::HiRes; |
|
|
27 | use Compress::LZF; |
|
|
28 | |
|
|
29 | Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later |
26 | |
30 | |
27 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
31 | use Event; $Event::Eval = 1; # no idea why this is required, but it is |
28 | |
32 | |
29 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
33 | sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload |
30 | |
34 | |
… | |
… | |
45 | our $LIBDIR = datadir . "/ext"; |
49 | our $LIBDIR = datadir . "/ext"; |
46 | |
50 | |
47 | our $TICK = MAX_TIME * 1e-6; |
51 | our $TICK = MAX_TIME * 1e-6; |
48 | our $TICK_WATCHER; |
52 | our $TICK_WATCHER; |
49 | our $AIO_POLL_WATCHER; |
53 | our $AIO_POLL_WATCHER; |
50 | our $WRITE_RUNTIME_WATCHER; |
54 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
51 | our $NEXT_TICK; |
55 | our $NEXT_TICK; |
52 | our $NOW; |
56 | our $NOW; |
|
|
57 | our $USE_FSYNC = 1; # use fsync to write maps - default off |
|
|
58 | |
|
|
59 | our $BDB_POLL_WATCHER; |
|
|
60 | our $DB_ENV; |
53 | |
61 | |
54 | our %CFG; |
62 | our %CFG; |
55 | |
63 | |
56 | our $UPTIME; $UPTIME ||= time; |
64 | our $UPTIME; $UPTIME ||= time; |
57 | our $RUNTIME; |
65 | our $RUNTIME; |
58 | |
66 | |
59 | our %PLAYER; # all users |
67 | our %PLAYER; # all users |
60 | our %MAP; # all maps |
68 | our %MAP; # all maps |
61 | our $LINK_MAP; # the special {link} map, which is always available |
69 | our $LINK_MAP; # the special {link} map, which is always available |
62 | our $RANDOM_MAPS = cf::localdir . "/random"; |
70 | our $RANDOM_MAPS = cf::localdir . "/random"; |
|
|
71 | our $BDB_ENV_DIR = cf::localdir . "/db"; |
63 | |
72 | |
64 | our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; |
73 | our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal; |
65 | our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; |
74 | our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal; |
66 | |
75 | |
67 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
76 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
… | |
… | |
80 | mkdir cf::localdir; |
89 | mkdir cf::localdir; |
81 | mkdir cf::localdir . "/" . cf::playerdir; |
90 | mkdir cf::localdir . "/" . cf::playerdir; |
82 | mkdir cf::localdir . "/" . cf::tmpdir; |
91 | mkdir cf::localdir . "/" . cf::tmpdir; |
83 | mkdir cf::localdir . "/" . cf::uniquedir; |
92 | mkdir cf::localdir . "/" . cf::uniquedir; |
84 | mkdir $RANDOM_MAPS; |
93 | mkdir $RANDOM_MAPS; |
|
|
94 | mkdir $BDB_ENV_DIR; |
85 | |
95 | |
86 | our $EMERGENCY_POSITION; |
96 | our $EMERGENCY_POSITION; |
|
|
97 | |
|
|
98 | sub cf::map::normalise; |
87 | |
99 | |
88 | ############################################################################# |
100 | ############################################################################# |
89 | |
101 | |
90 | =head2 GLOBAL VARIABLES |
102 | =head2 GLOBAL VARIABLES |
91 | |
103 | |
… | |
… | |
261 | sub freeze_mainloop { |
273 | sub freeze_mainloop { |
262 | return unless $TICK_WATCHER->is_active; |
274 | return unless $TICK_WATCHER->is_active; |
263 | |
275 | |
264 | my $guard = Coro::guard { |
276 | my $guard = Coro::guard { |
265 | $TICK_WATCHER->start; |
277 | $TICK_WATCHER->start; |
266 | $WRITE_RUNTIME_WATCHER->start; |
|
|
267 | }; |
278 | }; |
268 | $WRITE_RUNTIME_WATCHER->stop; |
|
|
269 | $TICK_WATCHER->stop; |
279 | $TICK_WATCHER->stop; |
270 | $guard |
280 | $guard |
271 | } |
281 | } |
272 | |
282 | |
273 | =item cf::async { BLOCK } |
283 | =item cf::async { BLOCK } |
… | |
… | |
344 | |
354 | |
345 | $coro |
355 | $coro |
346 | } |
356 | } |
347 | |
357 | |
348 | sub write_runtime { |
358 | sub write_runtime { |
|
|
359 | my $guard = cf::lock_acquire "write_runtime"; |
|
|
360 | |
349 | my $runtime = cf::localdir . "/runtime"; |
361 | my $runtime = cf::localdir . "/runtime"; |
350 | |
362 | |
351 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
363 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
352 | or return; |
364 | or return; |
353 | |
365 | |
… | |
… | |
356 | # 60 allows for the watchdog to kill the server. |
368 | # 60 allows for the watchdog to kill the server. |
357 | |
369 | |
358 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
370 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
359 | and return; |
371 | and return; |
360 | |
372 | |
|
|
373 | # always fsync - this file is important |
361 | aio_fsync $fh |
374 | aio_fsync $fh |
362 | and return; |
375 | and return; |
363 | |
376 | |
364 | close $fh |
377 | close $fh |
365 | or return; |
378 | or return; |
… | |
… | |
750 | $filename, length $$rdata, scalar @$objs; |
763 | $filename, length $$rdata, scalar @$objs; |
751 | |
764 | |
752 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
765 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
753 | chmod SAVE_MODE, $fh; |
766 | chmod SAVE_MODE, $fh; |
754 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
767 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
755 | aio_fsync $fh; |
768 | aio_fsync $fh if $cf::USE_FSYNC; |
756 | close $fh; |
769 | close $fh; |
757 | |
770 | |
758 | if (@$objs) { |
771 | if (@$objs) { |
759 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
772 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
760 | chmod SAVE_MODE, $fh; |
773 | chmod SAVE_MODE, $fh; |
761 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
774 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
762 | aio_write $fh, 0, (length $data), $data, 0; |
775 | aio_write $fh, 0, (length $data), $data, 0; |
763 | aio_fsync $fh; |
776 | aio_fsync $fh if $cf::USE_FSYNC; |
764 | close $fh; |
777 | close $fh; |
765 | aio_rename "$filename.pst~", "$filename.pst"; |
778 | aio_rename "$filename.pst~", "$filename.pst"; |
766 | } |
779 | } |
767 | } else { |
780 | } else { |
768 | aio_unlink "$filename.pst"; |
781 | aio_unlink "$filename.pst"; |
… | |
… | |
1017 | =cut |
1030 | =cut |
1018 | |
1031 | |
1019 | sub quit_character { |
1032 | sub quit_character { |
1020 | my ($pl) = @_; |
1033 | my ($pl) = @_; |
1021 | |
1034 | |
|
|
1035 | my $name = $pl->ob->name; |
|
|
1036 | |
1022 | $pl->{deny_save} = 1; |
1037 | $pl->{deny_save} = 1; |
1023 | $pl->password ("*"); # this should lock out the player until we nuked the dir |
1038 | $pl->password ("*"); # this should lock out the player until we nuked the dir |
1024 | |
1039 | |
1025 | $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; |
1040 | $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active; |
1026 | $pl->deactivate; |
1041 | $pl->deactivate; |
… | |
… | |
1030 | my $path = playerdir $pl; |
1045 | my $path = playerdir $pl; |
1031 | my $temp = "$path~$cf::RUNTIME~deleting~"; |
1046 | my $temp = "$path~$cf::RUNTIME~deleting~"; |
1032 | aio_rename $path, $temp; |
1047 | aio_rename $path, $temp; |
1033 | delete $cf::PLAYER{$pl->ob->name}; |
1048 | delete $cf::PLAYER{$pl->ob->name}; |
1034 | $pl->destroy; |
1049 | $pl->destroy; |
|
|
1050 | |
|
|
1051 | my $prefix = qr<^~\Q$name\E/>; |
|
|
1052 | |
|
|
1053 | # nuke player maps |
|
|
1054 | $cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP; |
|
|
1055 | |
1035 | IO::AIO::aio_rmtree $temp; |
1056 | IO::AIO::aio_rmtree $temp; |
1036 | } |
1057 | } |
1037 | |
1058 | |
1038 | =item cf::player::list_logins |
1059 | =item cf::player::list_logins |
1039 | |
1060 | |
… | |
… | |
1068 | =cut |
1089 | =cut |
1069 | |
1090 | |
1070 | sub maps($) { |
1091 | sub maps($) { |
1071 | my ($pl) = @_; |
1092 | my ($pl) = @_; |
1072 | |
1093 | |
|
|
1094 | $pl = ref $pl ? $pl->ob->name : $pl; |
|
|
1095 | |
1073 | my $files = aio_readdir playerdir $pl |
1096 | my $files = aio_readdir playerdir $pl |
1074 | or return; |
1097 | or return; |
1075 | |
1098 | |
1076 | my @paths; |
1099 | my @paths; |
1077 | |
1100 | |
1078 | for (@$files) { |
1101 | for (@$files) { |
1079 | utf8::decode $_; |
1102 | utf8::decode $_; |
1080 | next if /\.(?:pl|pst)$/; |
1103 | next if /\.(?:pl|pst)$/; |
1081 | next unless /^$PATH_SEP/o; |
1104 | next unless /^$PATH_SEP/o; |
1082 | |
1105 | |
1083 | s/\.map$//; |
1106 | push @paths, cf::map::normalise "~$pl/$_"; |
1084 | push @paths, "~" . $pl->ob->name . "/" . $_; |
|
|
1085 | } |
1107 | } |
1086 | |
1108 | |
1087 | \@paths |
1109 | \@paths |
1088 | } |
1110 | } |
1089 | |
1111 | |
… | |
… | |
1178 | sub normalise { |
1200 | sub normalise { |
1179 | my ($path, $base) = @_; |
1201 | my ($path, $base) = @_; |
1180 | |
1202 | |
1181 | $path = "$path"; # make sure its a string |
1203 | $path = "$path"; # make sure its a string |
1182 | |
1204 | |
|
|
1205 | $path =~ s/\.map$//; |
|
|
1206 | |
1183 | # map plan: |
1207 | # map plan: |
1184 | # |
1208 | # |
1185 | # /! non-realised random map exit (special hack!) |
1209 | # /! non-realised random map exit (special hack!) |
1186 | # {... are special paths that are not being touched |
1210 | # {... are special paths that are not being touched |
1187 | # ?xxx/... are special absolute paths |
1211 | # ?xxx/... are special absolute paths |
… | |
… | |
1248 | |
1272 | |
1249 | # the original (read-only) location |
1273 | # the original (read-only) location |
1250 | sub load_path { |
1274 | sub load_path { |
1251 | my ($self) = @_; |
1275 | my ($self) = @_; |
1252 | |
1276 | |
1253 | sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} |
1277 | sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} |
1254 | } |
1278 | } |
1255 | |
1279 | |
1256 | # the temporary/swap location |
1280 | # the temporary/swap location |
1257 | sub save_path { |
1281 | sub save_path { |
1258 | my ($self) = @_; |
1282 | my ($self) = @_; |
1259 | |
1283 | |
1260 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1284 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1261 | sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path |
1285 | sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path |
1262 | } |
1286 | } |
1263 | |
1287 | |
1264 | # the unique path, undef == no special unique path |
1288 | # the unique path, undef == no special unique path |
1265 | sub uniq_path { |
1289 | sub uniq_path { |
1266 | my ($self) = @_; |
1290 | my ($self) = @_; |
… | |
… | |
1288 | |
1312 | |
1289 | sub load_header_from($) { |
1313 | sub load_header_from($) { |
1290 | my ($self, $path) = @_; |
1314 | my ($self, $path) = @_; |
1291 | |
1315 | |
1292 | utf8::encode $path; |
1316 | utf8::encode $path; |
1293 | aio_open $path, O_RDONLY, 0 |
1317 | #aio_open $path, O_RDONLY, 0 |
1294 | or return; |
1318 | # or return; |
1295 | |
1319 | |
1296 | $self->_load_header ($path) |
1320 | $self->_load_header ($path) |
1297 | or return; |
1321 | or return; |
1298 | |
1322 | |
1299 | $self->{load_path} = $path; |
1323 | $self->{load_path} = $path; |
… | |
… | |
1379 | sub pre_load { } |
1403 | sub pre_load { } |
1380 | sub post_load { } |
1404 | sub post_load { } |
1381 | |
1405 | |
1382 | sub load { |
1406 | sub load { |
1383 | my ($self) = @_; |
1407 | my ($self) = @_; |
|
|
1408 | |
|
|
1409 | local $self->{deny_reset} = 1; # loading can take a long time |
1384 | |
1410 | |
1385 | my $path = $self->{path}; |
1411 | my $path = $self->{path}; |
1386 | my $guard = cf::lock_acquire "map_load:$path"; |
1412 | my $guard = cf::lock_acquire "map_load:$path"; |
1387 | |
1413 | |
1388 | return if $self->in_memory != cf::MAP_SWAPPED; |
1414 | return if $self->in_memory != cf::MAP_SWAPPED; |
… | |
… | |
1577 | return if $self->players; |
1603 | return if $self->players; |
1578 | return if $self->isa ("ext::map_per_player");#d# |
1604 | return if $self->isa ("ext::map_per_player");#d# |
1579 | |
1605 | |
1580 | warn "resetting map ", $self->path;#d# |
1606 | warn "resetting map ", $self->path;#d# |
1581 | |
1607 | |
|
|
1608 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1609 | |
|
|
1610 | # need to save uniques path |
|
|
1611 | unless ($self->{deny_save}) { |
|
|
1612 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
1613 | |
|
|
1614 | $self->_save_objects ($uniq, cf::IO_UNIQUES) |
|
|
1615 | if $uniq; |
|
|
1616 | } |
|
|
1617 | |
1582 | delete $cf::MAP{$self->path}; |
1618 | delete $cf::MAP{$self->path}; |
1583 | |
1619 | |
1584 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1585 | $self->clear; |
1620 | $self->clear; |
1586 | |
1621 | |
1587 | $_->clear_links_to ($self) for values %cf::MAP; |
1622 | $_->clear_links_to ($self) for values %cf::MAP; |
1588 | |
1623 | |
1589 | $self->unlink_save; |
1624 | $self->unlink_save; |
… | |
… | |
1626 | for (@$files) { |
1661 | for (@$files) { |
1627 | utf8::decode $_; |
1662 | utf8::decode $_; |
1628 | next if /\.pst$/; |
1663 | next if /\.pst$/; |
1629 | next unless /^$PATH_SEP/o; |
1664 | next unless /^$PATH_SEP/o; |
1630 | |
1665 | |
1631 | s/\.map$//; |
1666 | push @paths, cf::map::normalise $_; |
1632 | push @paths, $_; |
|
|
1633 | } |
1667 | } |
1634 | |
1668 | |
1635 | \@paths |
1669 | \@paths |
1636 | } |
1670 | } |
1637 | |
1671 | |
… | |
… | |
1731 | =cut |
1765 | =cut |
1732 | |
1766 | |
1733 | sub link_map { |
1767 | sub link_map { |
1734 | unless ($LINK_MAP) { |
1768 | unless ($LINK_MAP) { |
1735 | $LINK_MAP = cf::map::find "{link}" |
1769 | $LINK_MAP = cf::map::find "{link}" |
1736 | or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; |
1770 | or cf::cleanup "FATAL: unable to provide {link} map, exiting."; |
1737 | $LINK_MAP->load; |
1771 | $LINK_MAP->load; |
1738 | } |
1772 | } |
1739 | |
1773 | |
1740 | $LINK_MAP |
1774 | $LINK_MAP |
1741 | } |
1775 | } |
… | |
… | |
1780 | $map->load; |
1814 | $map->load; |
1781 | $map->load_diag; |
1815 | $map->load_diag; |
1782 | |
1816 | |
1783 | return unless $self->contr->active; |
1817 | return unless $self->contr->active; |
1784 | $self->activate_recursive; |
1818 | $self->activate_recursive; |
|
|
1819 | |
|
|
1820 | local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext |
1785 | $self->enter_map ($map, $x, $y); |
1821 | $self->enter_map ($map, $x, $y); |
1786 | } |
1822 | } |
1787 | |
1823 | |
1788 | cf::player->attach ( |
1824 | cf::player->attach ( |
1789 | on_logout => sub { |
1825 | on_logout => sub { |
… | |
… | |
1802 | # try to abort aborted map switching on player login :) |
1838 | # try to abort aborted map switching on player login :) |
1803 | # should happen only on crashes |
1839 | # should happen only on crashes |
1804 | if ($pl->ob->{_link_pos}) { |
1840 | if ($pl->ob->{_link_pos}) { |
1805 | $pl->ob->enter_link; |
1841 | $pl->ob->enter_link; |
1806 | (async { |
1842 | (async { |
1807 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1808 | # and this sleep increases chances of the player not ending up in scorn |
|
|
1809 | $pl->ob->reply (undef, |
1843 | $pl->ob->reply (undef, |
1810 | "There was an internal problem at your last logout, " |
1844 | "There was an internal problem at your last logout, " |
1811 | . "the server will try to bring you to your intended destination in a second.", |
1845 | . "the server will try to bring you to your intended destination in a second.", |
1812 | cf::NDI_RED); |
1846 | cf::NDI_RED); |
|
|
1847 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1848 | # and this sleep increases chances of the player not ending up in scorn |
1813 | Coro::Timer::sleep 1; |
1849 | Coro::Timer::sleep 1; |
1814 | $pl->ob->leave_link; |
1850 | $pl->ob->leave_link; |
1815 | })->prio (2); |
1851 | })->prio (2); |
1816 | } |
1852 | } |
1817 | }, |
1853 | }, |
… | |
… | |
1825 | my ($self, $path, $x, $y) = @_; |
1861 | my ($self, $path, $x, $y) = @_; |
1826 | |
1862 | |
1827 | $self->enter_link; |
1863 | $self->enter_link; |
1828 | |
1864 | |
1829 | (async { |
1865 | (async { |
|
|
1866 | my $map = eval { |
1830 | my $map = cf::map::find $path; |
1867 | my $map = cf::map::find $path; |
1831 | $map = $map->customise_for ($self) if $map; |
1868 | $map = $map->customise_for ($self) if $map; |
1832 | |
1869 | $map |
1833 | # warn "entering ", $map->path, " at ($x, $y)\n" |
1870 | } or |
1834 | # if $map; |
|
|
1835 | |
|
|
1836 | $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
1871 | $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
1837 | |
1872 | |
1838 | $self->leave_link ($map, $x, $y); |
1873 | $self->leave_link ($map, $x, $y); |
1839 | })->prio (1); |
1874 | })->prio (1); |
1840 | } |
1875 | } |
1841 | |
1876 | |
… | |
… | |
1872 | # that depends on the exit object |
1907 | # that depends on the exit object |
1873 | |
1908 | |
1874 | my $rmp = parse_random_map_params $exit->msg; |
1909 | my $rmp = parse_random_map_params $exit->msg; |
1875 | |
1910 | |
1876 | if ($exit->map) { |
1911 | if ($exit->map) { |
1877 | $rmp->{region} = $exit->map->region_name; |
1912 | $rmp->{region} = $exit->region->name; |
1878 | $rmp->{origin_map} = $exit->map->path; |
1913 | $rmp->{origin_map} = $exit->map->path; |
1879 | $rmp->{origin_x} = $exit->x; |
1914 | $rmp->{origin_x} = $exit->x; |
1880 | $rmp->{origin_y} = $exit->y; |
1915 | $rmp->{origin_y} = $exit->y; |
1881 | } |
1916 | } |
1882 | |
1917 | |
… | |
… | |
1984 | # get handled first |
2019 | # get handled first |
1985 | my $queue = delete $ns->{query_queue} |
2020 | my $queue = delete $ns->{query_queue} |
1986 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
2021 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
1987 | |
2022 | |
1988 | (shift @$queue)->[1]->($msg); |
2023 | (shift @$queue)->[1]->($msg); |
|
|
2024 | return unless $ns->valid; # temporary(?) workaround for callback destroying socket |
1989 | |
2025 | |
1990 | push @{ $ns->{query_queue} }, @$queue; |
2026 | push @{ $ns->{query_queue} }, @$queue; |
1991 | |
2027 | |
1992 | if (@{ $ns->{query_queue} } == @$queue) { |
2028 | if (@{ $ns->{query_queue} } == @$queue) { |
1993 | if (@$queue) { |
2029 | if (@$queue) { |
… | |
… | |
2154 | The parameter C<$family> should best start with the name of the extension |
2190 | The parameter C<$family> should best start with the name of the extension |
2155 | using it, it should be unique. |
2191 | using it, it should be unique. |
2156 | |
2192 | |
2157 | =over 4 |
2193 | =over 4 |
2158 | |
2194 | |
2159 | =item $hashref = cf::db_get $family |
|
|
2160 | |
|
|
2161 | Return a hashref for use by the extension C<$family>, which can be |
|
|
2162 | modified. After modifications, you have to call C<cf::db_dirty> or |
|
|
2163 | C<cf::db_sync>. |
|
|
2164 | |
|
|
2165 | =item $value = cf::db_get $family => $key |
2195 | =item $value = cf::db_get $family => $key |
2166 | |
2196 | |
2167 | Returns a single value from the database |
2197 | Returns a single value from the database. |
2168 | |
|
|
2169 | =item cf::db_put $family => $hashref |
|
|
2170 | |
|
|
2171 | Stores the given family hashref into the database. Updates are delayed, if |
|
|
2172 | you want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
2173 | |
2198 | |
2174 | =item cf::db_put $family => $key => $value |
2199 | =item cf::db_put $family => $key => $value |
2175 | |
2200 | |
2176 | Stores the given C<$value> in the family hash. Updates are delayed, if you |
2201 | Stores the given C<$value> in the family. |
2177 | want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
2178 | |
|
|
2179 | =item cf::db_dirty |
|
|
2180 | |
|
|
2181 | Marks the database as dirty, to be updated at a later time. |
|
|
2182 | |
|
|
2183 | =item cf::db_sync |
|
|
2184 | |
|
|
2185 | Immediately write the database to disk I<if it is dirty>. |
|
|
2186 | |
2202 | |
2187 | =cut |
2203 | =cut |
2188 | |
2204 | |
2189 | our $DB; |
2205 | our $DB; |
2190 | |
2206 | |
2191 | { |
2207 | sub db_init { |
|
|
2208 | unless ($DB) { |
|
|
2209 | $DB = BDB::db_create $DB_ENV; |
|
|
2210 | |
|
|
2211 | cf::sync_job { |
|
|
2212 | eval { |
|
|
2213 | $DB->set_flags (BDB::CHKSUM); |
|
|
2214 | |
|
|
2215 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
|
|
2216 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
|
|
2217 | cf::cleanup "db_open(db): $!" if $!; |
|
|
2218 | }; |
|
|
2219 | cf::cleanup "db_open(db): $@" if $@; |
|
|
2220 | }; |
|
|
2221 | |
2192 | my $path = cf::localdir . "/database.pst"; |
2222 | my $path = cf::localdir . "/database.pst"; |
|
|
2223 | if (stat $path) { |
|
|
2224 | cf::sync_job { |
|
|
2225 | my $pst = Storable::retrieve $path; |
2193 | |
2226 | |
2194 | sub db_load() { |
2227 | cf::db_put (board => data => $pst->{board}); |
2195 | $DB = stat $path ? Storable::retrieve $path : { }; |
2228 | cf::db_put (guildrules => data => $pst->{guildrules}); |
2196 | } |
2229 | cf::db_put (rent => balance => $pst->{rent}{balance}); |
|
|
2230 | BDB::db_env_txn_checkpoint $DB_ENV; |
2197 | |
2231 | |
2198 | my $pid; |
2232 | unlink $path; |
2199 | |
|
|
2200 | sub db_save() { |
|
|
2201 | waitpid $pid, 0 if $pid; |
|
|
2202 | if (0 == ($pid = fork)) { |
|
|
2203 | $DB->{_meta}{version} = 1; |
|
|
2204 | Storable::nstore $DB, "$path~"; |
|
|
2205 | rename "$path~", $path; |
|
|
2206 | cf::_exit 0 if defined $pid; |
|
|
2207 | } |
2233 | }; |
2208 | } |
|
|
2209 | |
|
|
2210 | my $dirty; |
|
|
2211 | |
|
|
2212 | sub db_sync() { |
|
|
2213 | db_save if $dirty; |
|
|
2214 | undef $dirty; |
|
|
2215 | } |
|
|
2216 | |
|
|
2217 | my $idle = Event->idle ( |
|
|
2218 | reentrant => 0, |
|
|
2219 | min => 10, |
|
|
2220 | max => 20, |
|
|
2221 | repeat => 0, |
|
|
2222 | data => WF_AUTOCANCEL, |
|
|
2223 | cb => \&db_sync, |
|
|
2224 | ); |
|
|
2225 | |
|
|
2226 | sub db_dirty() { |
|
|
2227 | $dirty = 1; |
|
|
2228 | $idle->start; |
|
|
2229 | } |
|
|
2230 | |
|
|
2231 | sub db_get($;$) { |
|
|
2232 | @_ >= 2 |
|
|
2233 | ? $DB->{$_[0]}{$_[1]} |
|
|
2234 | : ($DB->{$_[0]} ||= { }) |
|
|
2235 | } |
|
|
2236 | |
|
|
2237 | sub db_put($$;$) { |
|
|
2238 | if (@_ >= 3) { |
|
|
2239 | $DB->{$_[0]}{$_[1]} = $_[2]; |
|
|
2240 | } else { |
|
|
2241 | $DB->{$_[0]} = $_[1]; |
|
|
2242 | } |
|
|
2243 | db_dirty; |
|
|
2244 | } |
|
|
2245 | |
|
|
2246 | cf::global->attach ( |
|
|
2247 | prio => 10000, |
|
|
2248 | on_cleanup => sub { |
|
|
2249 | db_sync; |
|
|
2250 | }, |
2234 | } |
2251 | ); |
2235 | } |
|
|
2236 | } |
|
|
2237 | |
|
|
2238 | sub db_get($$) { |
|
|
2239 | my $key = "$_[0]/$_[1]"; |
|
|
2240 | |
|
|
2241 | cf::sync_job { |
|
|
2242 | BDB::db_get $DB, undef, $key, my $data; |
|
|
2243 | |
|
|
2244 | $! ? () |
|
|
2245 | : Compress::LZF::sthaw $data |
|
|
2246 | } |
|
|
2247 | } |
|
|
2248 | |
|
|
2249 | sub db_put($$$) { |
|
|
2250 | BDB::dbreq_pri 4; |
|
|
2251 | BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; |
2252 | } |
2252 | } |
2253 | |
2253 | |
2254 | ############################################################################# |
2254 | ############################################################################# |
2255 | # the server's main() |
2255 | # the server's init and main functions |
|
|
2256 | |
|
|
2257 | sub init_resources { |
|
|
2258 | load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
|
|
2259 | or die "unable to load regions file\n";#d# |
|
|
2260 | } |
2256 | |
2261 | |
2257 | sub cfg_load { |
2262 | sub cfg_load { |
2258 | open my $fh, "<:utf8", cf::confdir . "/config" |
2263 | open my $fh, "<:utf8", cf::confdir . "/config" |
2259 | or return; |
2264 | or return; |
2260 | |
2265 | |
… | |
… | |
2271 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
2276 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
2272 | and die "WARNING: m(un)lockall failed: $!\n"; |
2277 | and die "WARNING: m(un)lockall failed: $!\n"; |
2273 | }; |
2278 | }; |
2274 | warn $@ if $@; |
2279 | warn $@ if $@; |
2275 | } |
2280 | } |
|
|
2281 | } |
|
|
2282 | |
|
|
2283 | sub init { |
|
|
2284 | init_resources; |
2276 | } |
2285 | } |
2277 | |
2286 | |
2278 | sub main { |
2287 | sub main { |
2279 | # we must not ever block the main coroutine |
2288 | # we must not ever block the main coroutine |
2280 | local $Coro::idle = sub { |
2289 | local $Coro::idle = sub { |
… | |
… | |
2283 | Event::one_event; |
2292 | Event::one_event; |
2284 | })->prio (Coro::PRIO_MAX); |
2293 | })->prio (Coro::PRIO_MAX); |
2285 | }; |
2294 | }; |
2286 | |
2295 | |
2287 | cfg_load; |
2296 | cfg_load; |
2288 | db_load; |
2297 | db_init; |
2289 | load_extensions; |
2298 | load_extensions; |
2290 | |
2299 | |
2291 | $TICK_WATCHER->start; |
2300 | $TICK_WATCHER->start; |
2292 | Event::loop; |
2301 | Event::loop; |
2293 | } |
2302 | } |
… | |
… | |
2332 | my $map = $cf::MAP{$path} or next; |
2341 | my $map = $cf::MAP{$path} or next; |
2333 | $map->valid or next; |
2342 | $map->valid or next; |
2334 | $map->save; |
2343 | $map->save; |
2335 | } |
2344 | } |
2336 | warn "end emergency map save\n"; |
2345 | warn "end emergency map save\n"; |
|
|
2346 | |
|
|
2347 | warn "begin emergency database checkpoint\n"; |
|
|
2348 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2349 | warn "end emergency database checkpoint\n"; |
2337 | }; |
2350 | }; |
2338 | |
2351 | |
2339 | warn "leave emergency perl save\n"; |
2352 | warn "leave emergency perl save\n"; |
|
|
2353 | } |
|
|
2354 | |
|
|
2355 | sub post_cleanup { |
|
|
2356 | my ($make_core) = @_; |
|
|
2357 | |
|
|
2358 | warn Carp::longmess "post_cleanup backtrace" |
|
|
2359 | if $make_core; |
2340 | } |
2360 | } |
2341 | |
2361 | |
2342 | sub reload() { |
2362 | sub reload() { |
2343 | # can/must only be called in main |
2363 | # can/must only be called in main |
2344 | if ($Coro::current != $Coro::main) { |
2364 | if ($Coro::current != $Coro::main) { |
… | |
… | |
2346 | return; |
2366 | return; |
2347 | } |
2367 | } |
2348 | |
2368 | |
2349 | warn "reloading..."; |
2369 | warn "reloading..."; |
2350 | |
2370 | |
2351 | warn "cancelling server ticker"; |
2371 | warn "entering sync_job"; |
2352 | $TICK_WATCHER->cancel; |
|
|
2353 | |
2372 | |
|
|
2373 | cf::sync_job { |
|
|
2374 | cf::write_runtime; # external watchdog should not bark |
2354 | cf::emergency_save; |
2375 | cf::emergency_save; |
|
|
2376 | cf::write_runtime; # external watchdog should not bark |
2355 | |
2377 | |
2356 | eval { |
2378 | warn "syncing database to disk"; |
|
|
2379 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2380 | |
2357 | # if anything goes wrong in here, we should simply crash as we already saved |
2381 | # if anything goes wrong in here, we should simply crash as we already saved |
2358 | |
|
|
2359 | warn "syncing database to disk"; |
|
|
2360 | cf::db_sync; |
|
|
2361 | |
2382 | |
2362 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2383 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2363 | for (Event::all_watchers) { |
2384 | for (Event::all_watchers) { |
2364 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2385 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2365 | } |
2386 | } |
2366 | |
2387 | |
2367 | warn "flushing outstanding aio requests"; |
2388 | warn "flushing outstanding aio requests"; |
2368 | for (;;) { |
2389 | for (;;) { |
|
|
2390 | BDB::flush; |
2369 | IO::AIO::flush; |
2391 | IO::AIO::flush; |
2370 | Coro::cede; |
2392 | Coro::cede; |
2371 | last unless IO::AIO::nreqs; |
2393 | last unless IO::AIO::nreqs || BDB::nreqs; |
2372 | warn "iterate..."; |
2394 | warn "iterate..."; |
2373 | } |
2395 | } |
2374 | |
2396 | |
2375 | warn "cancelling all extension coros"; |
2397 | warn "cancelling all extension coros"; |
2376 | $_->cancel for values %EXT_CORO; |
2398 | $_->cancel for values %EXT_CORO; |
… | |
… | |
2431 | require cf; |
2453 | require cf; |
2432 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2454 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2433 | |
2455 | |
2434 | warn "loading config and database again"; |
2456 | warn "loading config and database again"; |
2435 | cf::cfg_load; |
2457 | cf::cfg_load; |
2436 | cf::db_load; |
|
|
2437 | |
2458 | |
2438 | warn "loading extensions"; |
2459 | warn "loading extensions"; |
2439 | cf::load_extensions; |
2460 | cf::load_extensions; |
2440 | |
2461 | |
2441 | warn "reattaching attachments to objects/players"; |
2462 | warn "reattaching attachments to objects/players"; |
2442 | _global_reattach; |
2463 | _global_reattach; |
2443 | warn "reattaching attachments to maps"; |
2464 | warn "reattaching attachments to maps"; |
2444 | reattach $_ for values %MAP; |
2465 | reattach $_ for values %MAP; |
2445 | |
2466 | |
2446 | warn "restarting server ticker"; |
2467 | warn "loading reloadable resources"; |
|
|
2468 | init_resources; |
2447 | |
2469 | |
2448 | $TICK_WATCHER->start; |
2470 | warn "leaving sync_job"; |
2449 | }; |
|
|
2450 | |
2471 | |
2451 | if ($@) { |
2472 | 1 |
|
|
2473 | } or do { |
2452 | warn $@; |
2474 | warn $@; |
2453 | warn "error while reloading, exiting."; |
2475 | warn "error while reloading, exiting."; |
2454 | exit 1; |
2476 | exit 1; |
2455 | } |
2477 | }; |
2456 | |
2478 | |
2457 | warn "reloaded"; |
2479 | warn "reloaded"; |
2458 | }; |
2480 | }; |
2459 | |
2481 | |
2460 | our $RELOAD_WATCHER; # used only during reload |
2482 | our $RELOAD_WATCHER; # used only during reload |
… | |
… | |
2501 | |
2523 | |
2502 | cf::server_tick; # one server iteration |
2524 | cf::server_tick; # one server iteration |
2503 | $RUNTIME += $TICK; |
2525 | $RUNTIME += $TICK; |
2504 | $NEXT_TICK += $TICK; |
2526 | $NEXT_TICK += $TICK; |
2505 | |
2527 | |
|
|
2528 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
|
|
2529 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
|
|
2530 | Coro::async_pool { |
|
|
2531 | write_runtime |
|
|
2532 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2533 | }; |
|
|
2534 | } |
|
|
2535 | |
2506 | $WAIT_FOR_TICK->broadcast; |
2536 | $WAIT_FOR_TICK->broadcast; |
2507 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2537 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2508 | |
2538 | |
2509 | Event::sweep; |
|
|
2510 | Coro::cede_notself; |
|
|
2511 | |
|
|
2512 | # my $AFTER = Event::time; |
2539 | # my $AFTER = Event::time; |
2513 | # warn $AFTER - $NOW;#d# |
2540 | # warn $AFTER - $NOW;#d# |
2514 | |
2541 | |
2515 | # if we are delayed by four ticks or more, skip them all |
2542 | # if we are delayed by four ticks or more, skip them all |
2516 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2543 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
… | |
… | |
2518 | $TICK_WATCHER->at ($NEXT_TICK); |
2545 | $TICK_WATCHER->at ($NEXT_TICK); |
2519 | $TICK_WATCHER->start; |
2546 | $TICK_WATCHER->start; |
2520 | }, |
2547 | }, |
2521 | ); |
2548 | ); |
2522 | |
2549 | |
|
|
2550 | { |
|
|
2551 | BDB::max_poll_time $TICK * 0.1; |
|
|
2552 | $BDB_POLL_WATCHER = Event->io ( |
|
|
2553 | reentrant => 0, |
|
|
2554 | fd => BDB::poll_fileno, |
|
|
2555 | poll => 'r', |
|
|
2556 | prio => 0, |
|
|
2557 | data => WF_AUTOCANCEL, |
|
|
2558 | cb => \&BDB::poll_cb, |
|
|
2559 | ); |
|
|
2560 | BDB::min_parallel 8; |
|
|
2561 | |
|
|
2562 | BDB::set_sync_prepare { |
|
|
2563 | my $status; |
|
|
2564 | my $current = $Coro::current; |
|
|
2565 | ( |
|
|
2566 | sub { |
|
|
2567 | $status = $!; |
|
|
2568 | $current->ready; undef $current; |
|
|
2569 | }, |
|
|
2570 | sub { |
|
|
2571 | Coro::schedule while defined $current; |
|
|
2572 | $! = $status; |
|
|
2573 | }, |
|
|
2574 | ) |
|
|
2575 | }; |
|
|
2576 | |
|
|
2577 | unless ($DB_ENV) { |
|
|
2578 | $DB_ENV = BDB::db_env_create; |
|
|
2579 | |
|
|
2580 | cf::sync_job { |
|
|
2581 | eval { |
|
|
2582 | BDB::db_env_open |
|
|
2583 | $DB_ENV, |
|
|
2584 | $BDB_ENV_DIR, |
|
|
2585 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
|
|
2586 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
|
|
2587 | 0666; |
|
|
2588 | |
|
|
2589 | cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; |
|
|
2590 | |
|
|
2591 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
|
|
2592 | $DB_ENV->set_lk_detect; |
|
|
2593 | }; |
|
|
2594 | |
|
|
2595 | cf::cleanup "db_env_open(db): $@" if $@; |
|
|
2596 | }; |
|
|
2597 | } |
|
|
2598 | } |
|
|
2599 | |
|
|
2600 | { |
|
|
2601 | IO::AIO::min_parallel 8; |
|
|
2602 | |
|
|
2603 | undef $Coro::AIO::WATCHER; |
2523 | IO::AIO::max_poll_time $TICK * 0.1; |
2604 | IO::AIO::max_poll_time $TICK * 0.1; |
2524 | |
|
|
2525 | undef $Coro::AIO::WATCHER; |
|
|
2526 | $AIO_POLL_WATCHER = Event->io ( |
2605 | $AIO_POLL_WATCHER = Event->io ( |
2527 | reentrant => 0, |
2606 | reentrant => 0, |
|
|
2607 | data => WF_AUTOCANCEL, |
2528 | fd => IO::AIO::poll_fileno, |
2608 | fd => IO::AIO::poll_fileno, |
2529 | poll => 'r', |
2609 | poll => 'r', |
2530 | prio => 6, |
2610 | prio => 6, |
2531 | data => WF_AUTOCANCEL, |
|
|
2532 | cb => \&IO::AIO::poll_cb, |
2611 | cb => \&IO::AIO::poll_cb, |
2533 | ); |
2612 | ); |
2534 | |
2613 | } |
2535 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
|
|
2536 | reentrant => 0, |
|
|
2537 | data => WF_AUTOCANCEL, |
|
|
2538 | after => 1, |
|
|
2539 | interval => 10, |
|
|
2540 | prio => 6, # keep it lowest so it acts like a watchdog |
|
|
2541 | cb => Coro::unblock_sub { |
|
|
2542 | write_runtime |
|
|
2543 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2544 | }, |
|
|
2545 | ); |
|
|
2546 | |
2614 | |
2547 | END { cf::emergency_save } |
2615 | END { cf::emergency_save } |
2548 | |
2616 | |
2549 | 1 |
2617 | 1 |
2550 | |
2618 | |