… | |
… | |
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 } |
… | |
… | |
356 | # 60 allows for the watchdog to kill the server. |
366 | # 60 allows for the watchdog to kill the server. |
357 | |
367 | |
358 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
368 | (aio_write $fh, 0, (length $value), $value, 0) <= 0 |
359 | and return; |
369 | and return; |
360 | |
370 | |
|
|
371 | # always fsync - this file is important |
361 | aio_fsync $fh |
372 | aio_fsync $fh |
362 | and return; |
373 | and return; |
363 | |
374 | |
364 | close $fh |
375 | close $fh |
365 | or return; |
376 | or return; |
… | |
… | |
750 | $filename, length $$rdata, scalar @$objs; |
761 | $filename, length $$rdata, scalar @$objs; |
751 | |
762 | |
752 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
763 | if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) { |
753 | chmod SAVE_MODE, $fh; |
764 | chmod SAVE_MODE, $fh; |
754 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
765 | aio_write $fh, 0, (length $$rdata), $$rdata, 0; |
755 | aio_fsync $fh; |
766 | aio_fsync $fh if $cf::USE_FSYNC; |
756 | close $fh; |
767 | close $fh; |
757 | |
768 | |
758 | if (@$objs) { |
769 | if (@$objs) { |
759 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
770 | if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) { |
760 | chmod SAVE_MODE, $fh; |
771 | chmod SAVE_MODE, $fh; |
761 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
772 | my $data = Storable::nfreeze { version => 1, objs => $objs }; |
762 | aio_write $fh, 0, (length $data), $data, 0; |
773 | aio_write $fh, 0, (length $data), $data, 0; |
763 | aio_fsync $fh; |
774 | aio_fsync $fh if $cf::USE_FSYNC; |
764 | close $fh; |
775 | close $fh; |
765 | aio_rename "$filename.pst~", "$filename.pst"; |
776 | aio_rename "$filename.pst~", "$filename.pst"; |
766 | } |
777 | } |
767 | } else { |
778 | } else { |
768 | aio_unlink "$filename.pst"; |
779 | aio_unlink "$filename.pst"; |
… | |
… | |
1068 | =cut |
1079 | =cut |
1069 | |
1080 | |
1070 | sub maps($) { |
1081 | sub maps($) { |
1071 | my ($pl) = @_; |
1082 | my ($pl) = @_; |
1072 | |
1083 | |
|
|
1084 | $pl = ref $pl ? $pl->ob->name : $pl; |
|
|
1085 | |
1073 | my $files = aio_readdir playerdir $pl |
1086 | my $files = aio_readdir playerdir $pl |
1074 | or return; |
1087 | or return; |
1075 | |
1088 | |
1076 | my @paths; |
1089 | my @paths; |
1077 | |
1090 | |
1078 | for (@$files) { |
1091 | for (@$files) { |
1079 | utf8::decode $_; |
1092 | utf8::decode $_; |
1080 | next if /\.(?:pl|pst)$/; |
1093 | next if /\.(?:pl|pst)$/; |
1081 | next unless /^$PATH_SEP/o; |
1094 | next unless /^$PATH_SEP/o; |
1082 | |
1095 | |
1083 | s/\.map$//; |
1096 | push @paths, cf::map::normalise "~$pl/$_"; |
1084 | push @paths, "~" . $pl->ob->name . "/" . $_; |
|
|
1085 | } |
1097 | } |
1086 | |
1098 | |
1087 | \@paths |
1099 | \@paths |
1088 | } |
1100 | } |
1089 | |
1101 | |
… | |
… | |
1178 | sub normalise { |
1190 | sub normalise { |
1179 | my ($path, $base) = @_; |
1191 | my ($path, $base) = @_; |
1180 | |
1192 | |
1181 | $path = "$path"; # make sure its a string |
1193 | $path = "$path"; # make sure its a string |
1182 | |
1194 | |
|
|
1195 | $path =~ s/\.map$//; |
|
|
1196 | |
1183 | # map plan: |
1197 | # map plan: |
1184 | # |
1198 | # |
1185 | # /! non-realised random map exit (special hack!) |
1199 | # /! non-realised random map exit (special hack!) |
1186 | # {... are special paths that are not being touched |
1200 | # {... are special paths that are not being touched |
1187 | # ?xxx/... are special absolute paths |
1201 | # ?xxx/... are special absolute paths |
… | |
… | |
1248 | |
1262 | |
1249 | # the original (read-only) location |
1263 | # the original (read-only) location |
1250 | sub load_path { |
1264 | sub load_path { |
1251 | my ($self) = @_; |
1265 | my ($self) = @_; |
1252 | |
1266 | |
1253 | sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} |
1267 | sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} |
1254 | } |
1268 | } |
1255 | |
1269 | |
1256 | # the temporary/swap location |
1270 | # the temporary/swap location |
1257 | sub save_path { |
1271 | sub save_path { |
1258 | my ($self) = @_; |
1272 | my ($self) = @_; |
1259 | |
1273 | |
1260 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1274 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1261 | sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path |
1275 | sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path |
1262 | } |
1276 | } |
1263 | |
1277 | |
1264 | # the unique path, undef == no special unique path |
1278 | # the unique path, undef == no special unique path |
1265 | sub uniq_path { |
1279 | sub uniq_path { |
1266 | my ($self) = @_; |
1280 | my ($self) = @_; |
… | |
… | |
1288 | |
1302 | |
1289 | sub load_header_from($) { |
1303 | sub load_header_from($) { |
1290 | my ($self, $path) = @_; |
1304 | my ($self, $path) = @_; |
1291 | |
1305 | |
1292 | utf8::encode $path; |
1306 | utf8::encode $path; |
1293 | aio_open $path, O_RDONLY, 0 |
1307 | #aio_open $path, O_RDONLY, 0 |
1294 | or return; |
1308 | # or return; |
1295 | |
1309 | |
1296 | $self->_load_header ($path) |
1310 | $self->_load_header ($path) |
1297 | or return; |
1311 | or return; |
1298 | |
1312 | |
1299 | $self->{load_path} = $path; |
1313 | $self->{load_path} = $path; |
… | |
… | |
1379 | sub pre_load { } |
1393 | sub pre_load { } |
1380 | sub post_load { } |
1394 | sub post_load { } |
1381 | |
1395 | |
1382 | sub load { |
1396 | sub load { |
1383 | my ($self) = @_; |
1397 | my ($self) = @_; |
|
|
1398 | |
|
|
1399 | local $self->{deny_reset} = 1; # loading can take a long time |
1384 | |
1400 | |
1385 | my $path = $self->{path}; |
1401 | my $path = $self->{path}; |
1386 | my $guard = cf::lock_acquire "map_load:$path"; |
1402 | my $guard = cf::lock_acquire "map_load:$path"; |
1387 | |
1403 | |
1388 | return if $self->in_memory != cf::MAP_SWAPPED; |
1404 | return if $self->in_memory != cf::MAP_SWAPPED; |
… | |
… | |
1577 | return if $self->players; |
1593 | return if $self->players; |
1578 | return if $self->isa ("ext::map_per_player");#d# |
1594 | return if $self->isa ("ext::map_per_player");#d# |
1579 | |
1595 | |
1580 | warn "resetting map ", $self->path;#d# |
1596 | warn "resetting map ", $self->path;#d# |
1581 | |
1597 | |
|
|
1598 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1599 | |
|
|
1600 | # need to save uniques path |
|
|
1601 | unless ($self->{deny_save}) { |
|
|
1602 | my $uniq = $self->uniq_path; utf8::encode $uniq; |
|
|
1603 | |
|
|
1604 | $self->_save_objects ($uniq, cf::IO_UNIQUES) |
|
|
1605 | if $uniq; |
|
|
1606 | } |
|
|
1607 | |
1582 | delete $cf::MAP{$self->path}; |
1608 | delete $cf::MAP{$self->path}; |
1583 | |
1609 | |
1584 | $self->in_memory (cf::MAP_SWAPPED); |
|
|
1585 | $self->clear; |
1610 | $self->clear; |
1586 | |
1611 | |
1587 | $_->clear_links_to ($self) for values %cf::MAP; |
1612 | $_->clear_links_to ($self) for values %cf::MAP; |
1588 | |
1613 | |
1589 | $self->unlink_save; |
1614 | $self->unlink_save; |
… | |
… | |
1626 | for (@$files) { |
1651 | for (@$files) { |
1627 | utf8::decode $_; |
1652 | utf8::decode $_; |
1628 | next if /\.pst$/; |
1653 | next if /\.pst$/; |
1629 | next unless /^$PATH_SEP/o; |
1654 | next unless /^$PATH_SEP/o; |
1630 | |
1655 | |
1631 | s/\.map$//; |
1656 | push @paths, cf::map::normalise $_; |
1632 | push @paths, $_; |
|
|
1633 | } |
1657 | } |
1634 | |
1658 | |
1635 | \@paths |
1659 | \@paths |
1636 | } |
1660 | } |
1637 | |
1661 | |
… | |
… | |
1731 | =cut |
1755 | =cut |
1732 | |
1756 | |
1733 | sub link_map { |
1757 | sub link_map { |
1734 | unless ($LINK_MAP) { |
1758 | unless ($LINK_MAP) { |
1735 | $LINK_MAP = cf::map::find "{link}" |
1759 | $LINK_MAP = cf::map::find "{link}" |
1736 | or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; |
1760 | or cf::cleanup "FATAL: unable to provide {link} map, exiting."; |
1737 | $LINK_MAP->load; |
1761 | $LINK_MAP->load; |
1738 | } |
1762 | } |
1739 | |
1763 | |
1740 | $LINK_MAP |
1764 | $LINK_MAP |
1741 | } |
1765 | } |
… | |
… | |
1780 | $map->load; |
1804 | $map->load; |
1781 | $map->load_diag; |
1805 | $map->load_diag; |
1782 | |
1806 | |
1783 | return unless $self->contr->active; |
1807 | return unless $self->contr->active; |
1784 | $self->activate_recursive; |
1808 | $self->activate_recursive; |
|
|
1809 | |
|
|
1810 | local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext |
1785 | $self->enter_map ($map, $x, $y); |
1811 | $self->enter_map ($map, $x, $y); |
1786 | } |
1812 | } |
1787 | |
1813 | |
1788 | cf::player->attach ( |
1814 | cf::player->attach ( |
1789 | on_logout => sub { |
1815 | on_logout => sub { |
… | |
… | |
1802 | # try to abort aborted map switching on player login :) |
1828 | # try to abort aborted map switching on player login :) |
1803 | # should happen only on crashes |
1829 | # should happen only on crashes |
1804 | if ($pl->ob->{_link_pos}) { |
1830 | if ($pl->ob->{_link_pos}) { |
1805 | $pl->ob->enter_link; |
1831 | $pl->ob->enter_link; |
1806 | (async { |
1832 | (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, |
1833 | $pl->ob->reply (undef, |
1810 | "There was an internal problem at your last logout, " |
1834 | "There was an internal problem at your last logout, " |
1811 | . "the server will try to bring you to your intended destination in a second.", |
1835 | . "the server will try to bring you to your intended destination in a second.", |
1812 | cf::NDI_RED); |
1836 | cf::NDI_RED); |
|
|
1837 | # we need this sleep as the login has a concurrent enter_exit running |
|
|
1838 | # and this sleep increases chances of the player not ending up in scorn |
1813 | Coro::Timer::sleep 1; |
1839 | Coro::Timer::sleep 1; |
1814 | $pl->ob->leave_link; |
1840 | $pl->ob->leave_link; |
1815 | })->prio (2); |
1841 | })->prio (2); |
1816 | } |
1842 | } |
1817 | }, |
1843 | }, |
… | |
… | |
1825 | my ($self, $path, $x, $y) = @_; |
1851 | my ($self, $path, $x, $y) = @_; |
1826 | |
1852 | |
1827 | $self->enter_link; |
1853 | $self->enter_link; |
1828 | |
1854 | |
1829 | (async { |
1855 | (async { |
|
|
1856 | my $map = eval { |
1830 | my $map = cf::map::find $path; |
1857 | my $map = cf::map::find $path; |
1831 | $map = $map->customise_for ($self) if $map; |
1858 | $map = $map->customise_for ($self) if $map; |
1832 | |
1859 | $map |
1833 | # warn "entering ", $map->path, " at ($x, $y)\n" |
1860 | } or |
1834 | # if $map; |
|
|
1835 | |
|
|
1836 | $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
1861 | $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
1837 | |
1862 | |
1838 | $self->leave_link ($map, $x, $y); |
1863 | $self->leave_link ($map, $x, $y); |
1839 | })->prio (1); |
1864 | })->prio (1); |
1840 | } |
1865 | } |
1841 | |
1866 | |
… | |
… | |
1872 | # that depends on the exit object |
1897 | # that depends on the exit object |
1873 | |
1898 | |
1874 | my $rmp = parse_random_map_params $exit->msg; |
1899 | my $rmp = parse_random_map_params $exit->msg; |
1875 | |
1900 | |
1876 | if ($exit->map) { |
1901 | if ($exit->map) { |
1877 | $rmp->{region} = $exit->map->region_name; |
1902 | $rmp->{region} = $exit->region->name; |
1878 | $rmp->{origin_map} = $exit->map->path; |
1903 | $rmp->{origin_map} = $exit->map->path; |
1879 | $rmp->{origin_x} = $exit->x; |
1904 | $rmp->{origin_x} = $exit->x; |
1880 | $rmp->{origin_y} = $exit->y; |
1905 | $rmp->{origin_y} = $exit->y; |
1881 | } |
1906 | } |
1882 | |
1907 | |
… | |
… | |
1984 | # get handled first |
2009 | # get handled first |
1985 | my $queue = delete $ns->{query_queue} |
2010 | my $queue = delete $ns->{query_queue} |
1986 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
2011 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
1987 | |
2012 | |
1988 | (shift @$queue)->[1]->($msg); |
2013 | (shift @$queue)->[1]->($msg); |
|
|
2014 | return unless $ns->valid; # temporary(?) workaround for callback destroying socket |
1989 | |
2015 | |
1990 | push @{ $ns->{query_queue} }, @$queue; |
2016 | push @{ $ns->{query_queue} }, @$queue; |
1991 | |
2017 | |
1992 | if (@{ $ns->{query_queue} } == @$queue) { |
2018 | if (@{ $ns->{query_queue} } == @$queue) { |
1993 | if (@$queue) { |
2019 | if (@$queue) { |
… | |
… | |
2154 | The parameter C<$family> should best start with the name of the extension |
2180 | The parameter C<$family> should best start with the name of the extension |
2155 | using it, it should be unique. |
2181 | using it, it should be unique. |
2156 | |
2182 | |
2157 | =over 4 |
2183 | =over 4 |
2158 | |
2184 | |
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 |
2185 | =item $value = cf::db_get $family => $key |
2166 | |
2186 | |
2167 | Returns a single value from the database |
2187 | 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 | |
2188 | |
2174 | =item cf::db_put $family => $key => $value |
2189 | =item cf::db_put $family => $key => $value |
2175 | |
2190 | |
2176 | Stores the given C<$value> in the family hash. Updates are delayed, if you |
2191 | 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 | |
2192 | |
2187 | =cut |
2193 | =cut |
2188 | |
2194 | |
2189 | our $DB; |
2195 | our $DB; |
2190 | |
2196 | |
2191 | { |
2197 | sub db_init { |
|
|
2198 | unless ($DB) { |
|
|
2199 | $DB = BDB::db_create $DB_ENV; |
|
|
2200 | |
|
|
2201 | cf::sync_job { |
|
|
2202 | eval { |
|
|
2203 | $DB->set_flags (BDB::CHKSUM); |
|
|
2204 | |
|
|
2205 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
|
|
2206 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
|
|
2207 | cf::cleanup "db_open(db): $!" if $!; |
|
|
2208 | }; |
|
|
2209 | cf::cleanup "db_open(db): $@" if $@; |
|
|
2210 | }; |
|
|
2211 | |
2192 | my $path = cf::localdir . "/database.pst"; |
2212 | my $path = cf::localdir . "/database.pst"; |
|
|
2213 | if (stat $path) { |
|
|
2214 | cf::sync_job { |
|
|
2215 | my $pst = Storable::retrieve $path; |
2193 | |
2216 | |
2194 | sub db_load() { |
2217 | cf::db_put (board => data => $pst->{board}); |
2195 | $DB = stat $path ? Storable::retrieve $path : { }; |
2218 | cf::db_put (guildrules => data => $pst->{guildrules}); |
2196 | } |
2219 | cf::db_put (rent => balance => $pst->{rent}{balance}); |
|
|
2220 | BDB::db_env_txn_checkpoint $DB_ENV; |
2197 | |
2221 | |
2198 | my $pid; |
2222 | 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 | } |
2223 | }; |
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($$;$) { |
|
|
2238 | if (@_ >= 3) { |
|
|
2239 | $DB->{$_[0]}{$_[1]} = $_[2]; |
|
|
2240 | } else { |
|
|
2241 | $DB->{$_[0]} = $_[1]; |
|
|
2242 | } |
|
|
2243 | db_dirty; |
|
|
2244 | } |
|
|
2245 | |
|
|
2246 | cf::global->attach ( |
|
|
2247 | prio => 10000, |
|
|
2248 | on_cleanup => sub { |
|
|
2249 | db_sync; |
|
|
2250 | }, |
2224 | } |
2251 | ); |
2225 | } |
|
|
2226 | } |
|
|
2227 | |
|
|
2228 | sub db_get($$) { |
|
|
2229 | my $key = "$_[0]/$_[1]"; |
|
|
2230 | |
|
|
2231 | cf::sync_job { |
|
|
2232 | BDB::db_get $DB, undef, $key, my $data; |
|
|
2233 | |
|
|
2234 | $! ? () |
|
|
2235 | : Compress::LZF::sthaw $data |
|
|
2236 | } |
|
|
2237 | } |
|
|
2238 | |
|
|
2239 | sub db_put($$$) { |
|
|
2240 | BDB::dbreq_pri 4; |
|
|
2241 | BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; |
2252 | } |
2242 | } |
2253 | |
2243 | |
2254 | ############################################################################# |
2244 | ############################################################################# |
2255 | # the server's main() |
2245 | # the server's init and main functions |
|
|
2246 | |
|
|
2247 | sub load_resources { |
|
|
2248 | load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
|
|
2249 | or die "unable to load regions file\n";#d# |
|
|
2250 | } |
2256 | |
2251 | |
2257 | sub cfg_load { |
2252 | sub cfg_load { |
2258 | open my $fh, "<:utf8", cf::confdir . "/config" |
2253 | open my $fh, "<:utf8", cf::confdir . "/config" |
2259 | or return; |
2254 | or return; |
2260 | |
2255 | |
… | |
… | |
2271 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
2266 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
2272 | and die "WARNING: m(un)lockall failed: $!\n"; |
2267 | and die "WARNING: m(un)lockall failed: $!\n"; |
2273 | }; |
2268 | }; |
2274 | warn $@ if $@; |
2269 | warn $@ if $@; |
2275 | } |
2270 | } |
|
|
2271 | } |
|
|
2272 | |
|
|
2273 | sub init { |
|
|
2274 | load_resources; |
2276 | } |
2275 | } |
2277 | |
2276 | |
2278 | sub main { |
2277 | sub main { |
2279 | # we must not ever block the main coroutine |
2278 | # we must not ever block the main coroutine |
2280 | local $Coro::idle = sub { |
2279 | local $Coro::idle = sub { |
… | |
… | |
2283 | Event::one_event; |
2282 | Event::one_event; |
2284 | })->prio (Coro::PRIO_MAX); |
2283 | })->prio (Coro::PRIO_MAX); |
2285 | }; |
2284 | }; |
2286 | |
2285 | |
2287 | cfg_load; |
2286 | cfg_load; |
2288 | db_load; |
2287 | db_init; |
2289 | load_extensions; |
2288 | load_extensions; |
2290 | |
2289 | |
2291 | $TICK_WATCHER->start; |
2290 | $TICK_WATCHER->start; |
2292 | Event::loop; |
2291 | Event::loop; |
2293 | } |
2292 | } |
… | |
… | |
2332 | my $map = $cf::MAP{$path} or next; |
2331 | my $map = $cf::MAP{$path} or next; |
2333 | $map->valid or next; |
2332 | $map->valid or next; |
2334 | $map->save; |
2333 | $map->save; |
2335 | } |
2334 | } |
2336 | warn "end emergency map save\n"; |
2335 | warn "end emergency map save\n"; |
|
|
2336 | |
|
|
2337 | warn "begin emergency database checkpoint\n"; |
|
|
2338 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2339 | warn "end emergency database checkpoint\n"; |
2337 | }; |
2340 | }; |
2338 | |
2341 | |
2339 | warn "leave emergency perl save\n"; |
2342 | warn "leave emergency perl save\n"; |
|
|
2343 | } |
|
|
2344 | |
|
|
2345 | sub post_cleanup { |
|
|
2346 | my ($make_core) = @_; |
|
|
2347 | |
|
|
2348 | warn Carp::longmess "post_cleanup backtrace" |
|
|
2349 | if $make_core; |
2340 | } |
2350 | } |
2341 | |
2351 | |
2342 | sub reload() { |
2352 | sub reload() { |
2343 | # can/must only be called in main |
2353 | # can/must only be called in main |
2344 | if ($Coro::current != $Coro::main) { |
2354 | if ($Coro::current != $Coro::main) { |
… | |
… | |
2346 | return; |
2356 | return; |
2347 | } |
2357 | } |
2348 | |
2358 | |
2349 | warn "reloading..."; |
2359 | warn "reloading..."; |
2350 | |
2360 | |
2351 | warn "cancelling server ticker"; |
2361 | warn "entering sync_job"; |
2352 | $TICK_WATCHER->cancel; |
|
|
2353 | |
2362 | |
|
|
2363 | cf::sync_job { |
|
|
2364 | cf::write_runtime; # external watchdog should not bark |
2354 | cf::emergency_save; |
2365 | cf::emergency_save; |
|
|
2366 | cf::write_runtime; # external watchdog should not bark |
2355 | |
2367 | |
2356 | eval { |
2368 | warn "syncing database to disk"; |
|
|
2369 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2370 | |
2357 | # if anything goes wrong in here, we should simply crash as we already saved |
2371 | # 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 | |
2372 | |
2362 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2373 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2363 | for (Event::all_watchers) { |
2374 | for (Event::all_watchers) { |
2364 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2375 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2365 | } |
2376 | } |
2366 | |
2377 | |
2367 | warn "flushing outstanding aio requests"; |
2378 | warn "flushing outstanding aio requests"; |
2368 | for (;;) { |
2379 | for (;;) { |
|
|
2380 | BDB::flush; |
2369 | IO::AIO::flush; |
2381 | IO::AIO::flush; |
2370 | Coro::cede; |
2382 | Coro::cede; |
2371 | last unless IO::AIO::nreqs; |
2383 | last unless IO::AIO::nreqs || BDB::nreqs; |
2372 | warn "iterate..."; |
2384 | warn "iterate..."; |
2373 | } |
2385 | } |
2374 | |
2386 | |
2375 | warn "cancelling all extension coros"; |
2387 | warn "cancelling all extension coros"; |
2376 | $_->cancel for values %EXT_CORO; |
2388 | $_->cancel for values %EXT_CORO; |
… | |
… | |
2431 | require cf; |
2443 | require cf; |
2432 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2444 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2433 | |
2445 | |
2434 | warn "loading config and database again"; |
2446 | warn "loading config and database again"; |
2435 | cf::cfg_load; |
2447 | cf::cfg_load; |
2436 | cf::db_load; |
|
|
2437 | |
2448 | |
2438 | warn "loading extensions"; |
2449 | warn "loading extensions"; |
2439 | cf::load_extensions; |
2450 | cf::load_extensions; |
2440 | |
2451 | |
2441 | warn "reattaching attachments to objects/players"; |
2452 | warn "reattaching attachments to objects/players"; |
2442 | _global_reattach; |
2453 | _global_reattach; |
2443 | warn "reattaching attachments to maps"; |
2454 | warn "reattaching attachments to maps"; |
2444 | reattach $_ for values %MAP; |
2455 | reattach $_ for values %MAP; |
2445 | |
2456 | |
2446 | warn "restarting server ticker"; |
2457 | warn "loading reloadable resources"; |
|
|
2458 | load_resources; |
2447 | |
2459 | |
2448 | $TICK_WATCHER->start; |
2460 | warn "leaving sync_job"; |
2449 | }; |
|
|
2450 | |
2461 | |
2451 | if ($@) { |
2462 | 1 |
|
|
2463 | } or do { |
2452 | warn $@; |
2464 | warn $@; |
2453 | warn "error while reloading, exiting."; |
2465 | warn "error while reloading, exiting."; |
2454 | exit 1; |
2466 | exit 1; |
2455 | } |
2467 | }; |
2456 | |
2468 | |
2457 | warn "reloaded"; |
2469 | warn "reloaded"; |
2458 | }; |
2470 | }; |
2459 | |
2471 | |
2460 | our $RELOAD_WATCHER; # used only during reload |
2472 | our $RELOAD_WATCHER; # used only during reload |
… | |
… | |
2501 | |
2513 | |
2502 | cf::server_tick; # one server iteration |
2514 | cf::server_tick; # one server iteration |
2503 | $RUNTIME += $TICK; |
2515 | $RUNTIME += $TICK; |
2504 | $NEXT_TICK += $TICK; |
2516 | $NEXT_TICK += $TICK; |
2505 | |
2517 | |
|
|
2518 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
|
|
2519 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
|
|
2520 | Coro::async_pool { |
|
|
2521 | write_runtime |
|
|
2522 | or warn "ERROR: unable to write runtime file: $!"; |
|
|
2523 | }; |
|
|
2524 | } |
|
|
2525 | |
|
|
2526 | |
2506 | $WAIT_FOR_TICK->broadcast; |
2527 | $WAIT_FOR_TICK->broadcast; |
2507 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2528 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2508 | |
2529 | |
2509 | Event::sweep; |
|
|
2510 | Coro::cede_notself; |
|
|
2511 | |
|
|
2512 | # my $AFTER = Event::time; |
2530 | # my $AFTER = Event::time; |
2513 | # warn $AFTER - $NOW;#d# |
2531 | # warn $AFTER - $NOW;#d# |
2514 | |
2532 | |
2515 | # if we are delayed by four ticks or more, skip them all |
2533 | # if we are delayed by four ticks or more, skip them all |
2516 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2534 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
… | |
… | |
2518 | $TICK_WATCHER->at ($NEXT_TICK); |
2536 | $TICK_WATCHER->at ($NEXT_TICK); |
2519 | $TICK_WATCHER->start; |
2537 | $TICK_WATCHER->start; |
2520 | }, |
2538 | }, |
2521 | ); |
2539 | ); |
2522 | |
2540 | |
|
|
2541 | { |
|
|
2542 | BDB::max_poll_time $TICK * 0.1; |
|
|
2543 | $BDB_POLL_WATCHER = Event->io ( |
|
|
2544 | reentrant => 0, |
|
|
2545 | fd => BDB::poll_fileno, |
|
|
2546 | poll => 'r', |
|
|
2547 | prio => 0, |
|
|
2548 | data => WF_AUTOCANCEL, |
|
|
2549 | cb => \&BDB::poll_cb, |
|
|
2550 | ); |
|
|
2551 | BDB::min_parallel 8; |
|
|
2552 | |
|
|
2553 | BDB::set_sync_prepare { |
|
|
2554 | my $status; |
|
|
2555 | my $current = $Coro::current; |
|
|
2556 | ( |
|
|
2557 | sub { |
|
|
2558 | $status = $!; |
|
|
2559 | $current->ready; undef $current; |
|
|
2560 | }, |
|
|
2561 | sub { |
|
|
2562 | Coro::schedule while defined $current; |
|
|
2563 | $! = $status; |
|
|
2564 | }, |
|
|
2565 | ) |
|
|
2566 | }; |
|
|
2567 | |
|
|
2568 | unless ($DB_ENV) { |
|
|
2569 | $DB_ENV = BDB::db_env_create; |
|
|
2570 | |
|
|
2571 | cf::sync_job { |
|
|
2572 | eval { |
|
|
2573 | BDB::db_env_open |
|
|
2574 | $DB_ENV, |
|
|
2575 | $BDB_ENV_DIR, |
|
|
2576 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
|
|
2577 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
|
|
2578 | 0666; |
|
|
2579 | |
|
|
2580 | cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; |
|
|
2581 | |
|
|
2582 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
|
|
2583 | $DB_ENV->set_lk_detect; |
|
|
2584 | }; |
|
|
2585 | |
|
|
2586 | cf::cleanup "db_env_open(db): $@" if $@; |
|
|
2587 | }; |
|
|
2588 | } |
|
|
2589 | } |
|
|
2590 | |
|
|
2591 | { |
|
|
2592 | IO::AIO::min_parallel 8; |
|
|
2593 | |
|
|
2594 | undef $Coro::AIO::WATCHER; |
2523 | IO::AIO::max_poll_time $TICK * 0.1; |
2595 | IO::AIO::max_poll_time $TICK * 0.1; |
2524 | |
|
|
2525 | undef $Coro::AIO::WATCHER; |
|
|
2526 | $AIO_POLL_WATCHER = Event->io ( |
2596 | $AIO_POLL_WATCHER = Event->io ( |
2527 | reentrant => 0, |
2597 | reentrant => 0, |
|
|
2598 | data => WF_AUTOCANCEL, |
2528 | fd => IO::AIO::poll_fileno, |
2599 | fd => IO::AIO::poll_fileno, |
2529 | poll => 'r', |
2600 | poll => 'r', |
2530 | prio => 6, |
2601 | prio => 6, |
2531 | data => WF_AUTOCANCEL, |
|
|
2532 | cb => \&IO::AIO::poll_cb, |
2602 | cb => \&IO::AIO::poll_cb, |
2533 | ); |
2603 | ); |
2534 | |
2604 | } |
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 | |
2605 | |
2547 | END { cf::emergency_save } |
2606 | END { cf::emergency_save } |
2548 | |
2607 | |
2549 | 1 |
2608 | 1 |
2550 | |
2609 | |