… | |
… | |
8 | use Storable; |
8 | use Storable; |
9 | use Opcode; |
9 | use Opcode; |
10 | use Safe; |
10 | use Safe; |
11 | use Safe::Hole; |
11 | use Safe::Hole; |
12 | |
12 | |
13 | use Coro 3.4 (); |
13 | use Coro 3.5 (); |
14 | use Coro::Event; |
14 | use Coro::Event; |
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 | |
… | |
… | |
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 $WRITE_RUNTIME_WATCHER; |
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 | |
… | |
… | |
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"; |
… | |
… | |
774 | } |
787 | } |
775 | } else { |
788 | } else { |
776 | aio_unlink $filename; |
789 | aio_unlink $filename; |
777 | aio_unlink "$filename.pst"; |
790 | aio_unlink "$filename.pst"; |
778 | } |
791 | } |
|
|
792 | |
|
|
793 | #d##TODO# nuke non .map-files if exist |
|
|
794 | if ($filename =~ s/\.map$//) { |
|
|
795 | aio_unlink $filename; |
|
|
796 | aio_unlink "$filename.pst"; |
|
|
797 | } |
779 | } |
798 | } |
780 | } |
799 | } |
781 | |
800 | |
782 | sub object_freezer_as_string { |
801 | sub object_freezer_as_string { |
783 | my ($rdata, $objs) = @_; |
802 | my ($rdata, $objs) = @_; |
… | |
… | |
789 | |
808 | |
790 | sub object_thawer_load { |
809 | sub object_thawer_load { |
791 | my ($filename) = @_; |
810 | my ($filename) = @_; |
792 | |
811 | |
793 | my ($data, $av); |
812 | my ($data, $av); |
|
|
813 | |
|
|
814 | #d#TODO remove .map if file does not exist |
|
|
815 | aio_stat $filename and $filename =~ s/\.map$//; |
794 | |
816 | |
795 | (aio_load $filename, $data) >= 0 |
817 | (aio_load $filename, $data) >= 0 |
796 | or return; |
818 | or return; |
797 | |
819 | |
798 | unless (aio_stat "$filename.pst") { |
820 | unless (aio_stat "$filename.pst") { |
… | |
… | |
1068 | =cut |
1090 | =cut |
1069 | |
1091 | |
1070 | sub maps($) { |
1092 | sub maps($) { |
1071 | my ($pl) = @_; |
1093 | my ($pl) = @_; |
1072 | |
1094 | |
|
|
1095 | $pl = ref $pl ? $pl->ob->name : $pl; |
|
|
1096 | |
1073 | my $files = aio_readdir playerdir $pl |
1097 | my $files = aio_readdir playerdir $pl |
1074 | or return; |
1098 | or return; |
1075 | |
1099 | |
1076 | my @paths; |
1100 | my @paths; |
1077 | |
1101 | |
1078 | for (@$files) { |
1102 | for (@$files) { |
1079 | utf8::decode $_; |
1103 | utf8::decode $_; |
1080 | next if /\.(?:pl|pst)$/; |
1104 | next if /\.(?:pl|pst)$/; |
1081 | next unless /^$PATH_SEP/o; |
1105 | next unless /^$PATH_SEP/o; |
1082 | |
1106 | |
1083 | s/\.map$//; |
1107 | push @paths, cf::map::normalise "~$pl/$_"; |
1084 | push @paths, "~" . $pl->ob->name . "/" . $_; |
|
|
1085 | } |
1108 | } |
1086 | |
1109 | |
1087 | \@paths |
1110 | \@paths |
1088 | } |
1111 | } |
1089 | |
1112 | |
… | |
… | |
1176 | } |
1199 | } |
1177 | |
1200 | |
1178 | sub normalise { |
1201 | sub normalise { |
1179 | my ($path, $base) = @_; |
1202 | my ($path, $base) = @_; |
1180 | |
1203 | |
|
|
1204 | $path = "$path"; # make sure its a string |
|
|
1205 | |
|
|
1206 | $path =~ s/\.map$//; |
|
|
1207 | |
1181 | # map plan: |
1208 | # map plan: |
1182 | # |
1209 | # |
1183 | # /! non-realised random map exit (special hack!) |
1210 | # /! non-realised random map exit (special hack!) |
1184 | # {... are special paths that are not being touched |
1211 | # {... are special paths that are not being touched |
1185 | # ?xxx/... are special absolute paths |
1212 | # ?xxx/... are special absolute paths |
… | |
… | |
1221 | $self->init; # pass $1 etc. |
1248 | $self->init; # pass $1 etc. |
1222 | return $self; |
1249 | return $self; |
1223 | } |
1250 | } |
1224 | } |
1251 | } |
1225 | |
1252 | |
1226 | Carp::carp "unable to resolve path '$path'."; |
1253 | Carp::carp "unable to resolve path '$path' (base '$base')."; |
1227 | () |
1254 | () |
1228 | } |
1255 | } |
1229 | |
1256 | |
1230 | sub init { |
1257 | sub init { |
1231 | my ($self) = @_; |
1258 | my ($self) = @_; |
… | |
… | |
1246 | |
1273 | |
1247 | # the original (read-only) location |
1274 | # the original (read-only) location |
1248 | sub load_path { |
1275 | sub load_path { |
1249 | my ($self) = @_; |
1276 | my ($self) = @_; |
1250 | |
1277 | |
1251 | sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path} |
1278 | sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} |
1252 | } |
1279 | } |
1253 | |
1280 | |
1254 | # the temporary/swap location |
1281 | # the temporary/swap location |
1255 | sub save_path { |
1282 | sub save_path { |
1256 | my ($self) = @_; |
1283 | my ($self) = @_; |
1257 | |
1284 | |
1258 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1285 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1259 | sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path |
1286 | sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path |
1260 | } |
1287 | } |
1261 | |
1288 | |
1262 | # the unique path, undef == no special unique path |
1289 | # the unique path, undef == no special unique path |
1263 | sub uniq_path { |
1290 | sub uniq_path { |
1264 | my ($self) = @_; |
1291 | my ($self) = @_; |
… | |
… | |
1280 | my ($self) = @_; |
1307 | my ($self) = @_; |
1281 | |
1308 | |
1282 | utf8::encode (my $save = $self->save_path); |
1309 | utf8::encode (my $save = $self->save_path); |
1283 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
1310 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save; |
1284 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
1311 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst"; |
|
|
1312 | |
|
|
1313 | #d#TODO remove .map and also nuke |
|
|
1314 | $save =~ s/\.map// or return;#d# |
|
|
1315 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;#d# |
|
|
1316 | IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";#d# |
1285 | } |
1317 | } |
1286 | |
1318 | |
1287 | sub load_header_from($) { |
1319 | sub load_header_from($) { |
1288 | my ($self, $path) = @_; |
1320 | my ($self, $path) = @_; |
1289 | |
1321 | |
1290 | utf8::encode $path; |
1322 | utf8::encode $path; |
1291 | aio_open $path, O_RDONLY, 0 |
1323 | #aio_open $path, O_RDONLY, 0 |
1292 | or return; |
1324 | # or return; |
1293 | |
1325 | |
1294 | $self->_load_header ($path) |
1326 | $self->_load_header ($path) |
1295 | or return; |
1327 | or return; |
1296 | |
1328 | |
1297 | $self->{load_path} = $path; |
1329 | $self->{load_path} = $path; |
… | |
… | |
1360 | $map->{last_save} = $cf::RUNTIME; |
1392 | $map->{last_save} = $cf::RUNTIME; |
1361 | |
1393 | |
1362 | $map->load_header |
1394 | $map->load_header |
1363 | or return; |
1395 | or return; |
1364 | |
1396 | |
1365 | if ($map->should_reset) { |
1397 | if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?) |
1366 | # doing this can freeze the server in a sync job, obviously |
1398 | # doing this can freeze the server in a sync job, obviously |
1367 | #$cf::WAIT_FOR_TICK->wait; |
1399 | #$cf::WAIT_FOR_TICK->wait; |
1368 | $map->reset; |
1400 | $map->reset; |
1369 | undef $guard; |
1401 | undef $guard; |
1370 | $map = find $path |
1402 | return find $path; |
1371 | or return; |
|
|
1372 | } |
1403 | } |
1373 | |
1404 | |
1374 | $cf::MAP{$path} = $map |
1405 | $cf::MAP{$path} = $map |
1375 | } |
1406 | } |
1376 | } |
1407 | } |
… | |
… | |
1378 | sub pre_load { } |
1409 | sub pre_load { } |
1379 | sub post_load { } |
1410 | sub post_load { } |
1380 | |
1411 | |
1381 | sub load { |
1412 | sub load { |
1382 | my ($self) = @_; |
1413 | my ($self) = @_; |
|
|
1414 | |
|
|
1415 | local $self->{deny_reset} = 1; # loading can take a long time |
1383 | |
1416 | |
1384 | my $path = $self->{path}; |
1417 | my $path = $self->{path}; |
1385 | my $guard = cf::lock_acquire "map_load:$path"; |
1418 | my $guard = cf::lock_acquire "map_load:$path"; |
1386 | |
1419 | |
1387 | return if $self->in_memory != cf::MAP_SWAPPED; |
1420 | return if $self->in_memory != cf::MAP_SWAPPED; |
… | |
… | |
1625 | for (@$files) { |
1658 | for (@$files) { |
1626 | utf8::decode $_; |
1659 | utf8::decode $_; |
1627 | next if /\.pst$/; |
1660 | next if /\.pst$/; |
1628 | next unless /^$PATH_SEP/o; |
1661 | next unless /^$PATH_SEP/o; |
1629 | |
1662 | |
1630 | s/\.map$//; |
1663 | push @paths, cf::map::normalise $_; |
1631 | push @paths, $_; |
|
|
1632 | } |
1664 | } |
1633 | |
1665 | |
1634 | \@paths |
1666 | \@paths |
1635 | } |
1667 | } |
1636 | |
1668 | |
… | |
… | |
1730 | =cut |
1762 | =cut |
1731 | |
1763 | |
1732 | sub link_map { |
1764 | sub link_map { |
1733 | unless ($LINK_MAP) { |
1765 | unless ($LINK_MAP) { |
1734 | $LINK_MAP = cf::map::find "{link}" |
1766 | $LINK_MAP = cf::map::find "{link}" |
1735 | or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 }; |
1767 | or cf::cleanup "FATAL: unable to provide {link} map, exiting."; |
1736 | $LINK_MAP->load; |
1768 | $LINK_MAP->load; |
1737 | } |
1769 | } |
1738 | |
1770 | |
1739 | $LINK_MAP |
1771 | $LINK_MAP |
1740 | } |
1772 | } |
… | |
… | |
1747 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
1779 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
1748 | |
1780 | |
1749 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
1781 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
1750 | if $self->map; |
1782 | if $self->map; |
1751 | |
1783 | |
1752 | $self->enter_map ($LINK_MAP || link_map, 20, 20); |
1784 | $self->enter_map ($LINK_MAP || link_map, 10, 10); |
1753 | } |
1785 | } |
1754 | |
1786 | |
1755 | sub cf::object::player::leave_link { |
1787 | sub cf::object::player::leave_link { |
1756 | my ($self, $map, $x, $y) = @_; |
1788 | my ($self, $map, $x, $y) = @_; |
1757 | |
1789 | |
… | |
… | |
1824 | my ($self, $path, $x, $y) = @_; |
1856 | my ($self, $path, $x, $y) = @_; |
1825 | |
1857 | |
1826 | $self->enter_link; |
1858 | $self->enter_link; |
1827 | |
1859 | |
1828 | (async { |
1860 | (async { |
|
|
1861 | my $map = eval { |
1829 | my $map = cf::map::find $path; |
1862 | my $map = cf::map::find $path; |
1830 | $map = $map->customise_for ($self) if $map; |
1863 | $map = $map->customise_for ($self) if $map; |
1831 | |
1864 | $map |
1832 | # warn "entering ", $map->path, " at ($x, $y)\n" |
1865 | } or |
1833 | # if $map; |
|
|
1834 | |
|
|
1835 | $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
1866 | $self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED); |
1836 | |
1867 | |
1837 | $self->leave_link ($map, $x, $y); |
1868 | $self->leave_link ($map, $x, $y); |
1838 | })->prio (1); |
1869 | })->prio (1); |
1839 | } |
1870 | } |
1840 | |
1871 | |
… | |
… | |
1871 | # that depends on the exit object |
1902 | # that depends on the exit object |
1872 | |
1903 | |
1873 | my $rmp = parse_random_map_params $exit->msg; |
1904 | my $rmp = parse_random_map_params $exit->msg; |
1874 | |
1905 | |
1875 | if ($exit->map) { |
1906 | if ($exit->map) { |
1876 | $rmp->{region} = $exit->map->region_name; |
1907 | $rmp->{region} = $exit->region->name; |
1877 | $rmp->{origin_map} = $exit->map->path; |
1908 | $rmp->{origin_map} = $exit->map->path; |
1878 | $rmp->{origin_x} = $exit->x; |
1909 | $rmp->{origin_x} = $exit->x; |
1879 | $rmp->{origin_y} = $exit->y; |
1910 | $rmp->{origin_y} = $exit->y; |
1880 | } |
1911 | } |
1881 | |
1912 | |
… | |
… | |
1898 | sub cf::object::player::enter_exit { |
1929 | sub cf::object::player::enter_exit { |
1899 | my ($self, $exit) = @_; |
1930 | my ($self, $exit) = @_; |
1900 | |
1931 | |
1901 | return unless $self->type == cf::PLAYER; |
1932 | return unless $self->type == cf::PLAYER; |
1902 | |
1933 | |
|
|
1934 | if ($exit->slaying eq "/!") { |
|
|
1935 | #TODO: this should de-fi-ni-te-ly not be a sync-job |
|
|
1936 | cf::sync_job { prepare_random_map $exit }; |
|
|
1937 | } |
|
|
1938 | |
|
|
1939 | my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path; |
|
|
1940 | my $hp = $exit->stats->hp; |
|
|
1941 | my $sp = $exit->stats->sp; |
|
|
1942 | |
1903 | $self->enter_link; |
1943 | $self->enter_link; |
1904 | |
1944 | |
1905 | (async { |
1945 | (async { |
1906 | $self->deactivate_recursive; # just to be sure |
1946 | $self->deactivate_recursive; # just to be sure |
1907 | unless (eval { |
1947 | unless (eval { |
1908 | prepare_random_map $exit |
1948 | $self->goto ($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 | |
1949 | |
1914 | 1; |
1950 | 1; |
1915 | }) { |
1951 | }) { |
1916 | $self->message ("Something went wrong deep within the crossfire server. " |
1952 | $self->message ("Something went wrong deep within the crossfire server. " |
1917 | . "I'll try to bring you back to the map you were before. " |
1953 | . "I'll try to bring you back to the map you were before. " |
… | |
… | |
1978 | # get handled first |
2014 | # get handled first |
1979 | my $queue = delete $ns->{query_queue} |
2015 | my $queue = delete $ns->{query_queue} |
1980 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
2016 | or return; # be conservative, not sure how that can happen, but we saw a crash here |
1981 | |
2017 | |
1982 | (shift @$queue)->[1]->($msg); |
2018 | (shift @$queue)->[1]->($msg); |
|
|
2019 | return unless $ns->valid; # temporary(?) workaround for callback destroying socket |
1983 | |
2020 | |
1984 | push @{ $ns->{query_queue} }, @$queue; |
2021 | push @{ $ns->{query_queue} }, @$queue; |
1985 | |
2022 | |
1986 | if (@{ $ns->{query_queue} } == @$queue) { |
2023 | if (@{ $ns->{query_queue} } == @$queue) { |
1987 | if (@$queue) { |
2024 | if (@$queue) { |
… | |
… | |
2148 | The parameter C<$family> should best start with the name of the extension |
2185 | The parameter C<$family> should best start with the name of the extension |
2149 | using it, it should be unique. |
2186 | using it, it should be unique. |
2150 | |
2187 | |
2151 | =over 4 |
2188 | =over 4 |
2152 | |
2189 | |
2153 | =item $hashref = cf::db_get $family |
|
|
2154 | |
|
|
2155 | Return a hashref for use by the extension C<$family>, which can be |
|
|
2156 | modified. After modifications, you have to call C<cf::db_dirty> or |
|
|
2157 | C<cf::db_sync>. |
|
|
2158 | |
|
|
2159 | =item $value = cf::db_get $family => $key |
2190 | =item $value = cf::db_get $family => $key |
2160 | |
2191 | |
2161 | Returns a single value from the database |
2192 | Returns a single value from the database. |
2162 | |
|
|
2163 | =item cf::db_put $family => $hashref |
|
|
2164 | |
|
|
2165 | Stores the given family hashref into the database. Updates are delayed, if |
|
|
2166 | you want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
2167 | |
2193 | |
2168 | =item cf::db_put $family => $key => $value |
2194 | =item cf::db_put $family => $key => $value |
2169 | |
2195 | |
2170 | Stores the given C<$value> in the family hash. Updates are delayed, if you |
2196 | Stores the given C<$value> in the family. |
2171 | want the data to be synced to disk immediately, use C<cf::db_sync>. |
|
|
2172 | |
|
|
2173 | =item cf::db_dirty |
|
|
2174 | |
|
|
2175 | Marks the database as dirty, to be updated at a later time. |
|
|
2176 | |
|
|
2177 | =item cf::db_sync |
|
|
2178 | |
|
|
2179 | Immediately write the database to disk I<if it is dirty>. |
|
|
2180 | |
2197 | |
2181 | =cut |
2198 | =cut |
2182 | |
2199 | |
2183 | our $DB; |
2200 | our $DB; |
2184 | |
2201 | |
2185 | { |
2202 | unless ($DB) { |
|
|
2203 | $DB = BDB::db_create $DB_ENV; |
|
|
2204 | |
|
|
2205 | cf::sync_job { |
|
|
2206 | eval { |
|
|
2207 | $DB->set_flags (BDB::CHKSUM); |
|
|
2208 | |
|
|
2209 | BDB::db_open $DB, undef, "db", undef, BDB::BTREE, |
|
|
2210 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
|
|
2211 | cf::cleanup "db_open(db): $!" if $!; |
|
|
2212 | }; |
|
|
2213 | cf::cleanup "db_open(db): $@" if $@; |
|
|
2214 | }; |
|
|
2215 | |
2186 | my $path = cf::localdir . "/database.pst"; |
2216 | my $path = cf::localdir . "/database.pst"; |
|
|
2217 | if (stat $path) { |
|
|
2218 | cf::sync_job { |
|
|
2219 | my $pst = Storable::retrieve $path; |
2187 | |
2220 | |
2188 | sub db_load() { |
2221 | cf::db_put (board => data => $pst->{board}); |
2189 | $DB = stat $path ? Storable::retrieve $path : { }; |
2222 | cf::db_put (guildrules => data => $pst->{guildrules}); |
2190 | } |
2223 | cf::db_put (rent => balance => $pst->{rent}{balance}); |
|
|
2224 | BDB::db_env_txn_checkpoint $DB_ENV; |
2191 | |
2225 | |
2192 | my $pid; |
2226 | 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 | } |
2227 | }; |
2202 | } |
2228 | } |
|
|
2229 | } |
2203 | |
2230 | |
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 | $idle->start; |
|
|
2223 | } |
|
|
2224 | |
|
|
2225 | sub db_get($;$) { |
2231 | sub db_get($$) { |
2226 | @_ >= 2 |
2232 | my $key = "$_[0]/$_[1]"; |
2227 | ? $DB->{$_[0]}{$_[1]} |
|
|
2228 | : ($DB->{$_[0]} ||= { }) |
|
|
2229 | } |
|
|
2230 | |
2233 | |
|
|
2234 | cf::sync_job { |
|
|
2235 | BDB::db_get $DB, undef, $key, my $data; |
|
|
2236 | |
|
|
2237 | $! ? () |
|
|
2238 | : Compress::LZF::sthaw $data |
|
|
2239 | } |
|
|
2240 | } |
|
|
2241 | |
2231 | sub db_put($$;$) { |
2242 | sub db_put($$$) { |
2232 | if (@_ >= 3) { |
2243 | BDB::dbreq_pri 4; |
2233 | $DB->{$_[0]}{$_[1]} = $_[2]; |
2244 | BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; |
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 | }, |
|
|
2245 | ); |
|
|
2246 | } |
2245 | } |
2247 | |
2246 | |
2248 | ############################################################################# |
2247 | ############################################################################# |
2249 | # the server's main() |
2248 | # the server's init and main functions |
|
|
2249 | |
|
|
2250 | sub load_resources { |
|
|
2251 | load_regions sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
|
|
2252 | or die "unable to load regions file\n";#d# |
|
|
2253 | } |
2250 | |
2254 | |
2251 | sub cfg_load { |
2255 | sub cfg_load { |
2252 | open my $fh, "<:utf8", cf::confdir . "/config" |
2256 | open my $fh, "<:utf8", cf::confdir . "/config" |
2253 | or return; |
2257 | or return; |
2254 | |
2258 | |
… | |
… | |
2265 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
2269 | $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()" |
2266 | and die "WARNING: m(un)lockall failed: $!\n"; |
2270 | and die "WARNING: m(un)lockall failed: $!\n"; |
2267 | }; |
2271 | }; |
2268 | warn $@ if $@; |
2272 | warn $@ if $@; |
2269 | } |
2273 | } |
|
|
2274 | } |
|
|
2275 | |
|
|
2276 | sub init { |
|
|
2277 | load_resources; |
2270 | } |
2278 | } |
2271 | |
2279 | |
2272 | sub main { |
2280 | sub main { |
2273 | # we must not ever block the main coroutine |
2281 | # we must not ever block the main coroutine |
2274 | local $Coro::idle = sub { |
2282 | local $Coro::idle = sub { |
… | |
… | |
2277 | Event::one_event; |
2285 | Event::one_event; |
2278 | })->prio (Coro::PRIO_MAX); |
2286 | })->prio (Coro::PRIO_MAX); |
2279 | }; |
2287 | }; |
2280 | |
2288 | |
2281 | cfg_load; |
2289 | cfg_load; |
2282 | db_load; |
|
|
2283 | load_extensions; |
2290 | load_extensions; |
2284 | |
2291 | |
2285 | $TICK_WATCHER->start; |
2292 | $TICK_WATCHER->start; |
2286 | Event::loop; |
2293 | Event::loop; |
2287 | } |
2294 | } |
… | |
… | |
2294 | for my $signal (qw(INT HUP TERM)) { |
2301 | for my $signal (qw(INT HUP TERM)) { |
2295 | Event->signal ( |
2302 | Event->signal ( |
2296 | reentrant => 0, |
2303 | reentrant => 0, |
2297 | data => WF_AUTOCANCEL, |
2304 | data => WF_AUTOCANCEL, |
2298 | signal => $signal, |
2305 | signal => $signal, |
|
|
2306 | prio => 0, |
2299 | cb => sub { |
2307 | cb => sub { |
2300 | cf::cleanup "SIG$signal"; |
2308 | cf::cleanup "SIG$signal"; |
2301 | }, |
2309 | }, |
2302 | ); |
2310 | ); |
2303 | } |
2311 | } |
… | |
… | |
2325 | my $map = $cf::MAP{$path} or next; |
2333 | my $map = $cf::MAP{$path} or next; |
2326 | $map->valid or next; |
2334 | $map->valid or next; |
2327 | $map->save; |
2335 | $map->save; |
2328 | } |
2336 | } |
2329 | warn "end emergency map save\n"; |
2337 | warn "end emergency map save\n"; |
|
|
2338 | |
|
|
2339 | warn "begin emergency database checkpoint\n"; |
|
|
2340 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2341 | warn "end emergency database checkpoint\n"; |
2330 | }; |
2342 | }; |
2331 | |
2343 | |
2332 | warn "leave emergency perl save\n"; |
2344 | warn "leave emergency perl save\n"; |
2333 | } |
2345 | } |
2334 | |
2346 | |
… | |
… | |
2347 | cf::emergency_save; |
2359 | cf::emergency_save; |
2348 | |
2360 | |
2349 | eval { |
2361 | eval { |
2350 | # if anything goes wrong in here, we should simply crash as we already saved |
2362 | # if anything goes wrong in here, we should simply crash as we already saved |
2351 | |
2363 | |
2352 | warn "syncing database to disk"; |
|
|
2353 | cf::db_sync; |
|
|
2354 | |
|
|
2355 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2364 | warn "cancelling all WF_AUTOCANCEL watchers"; |
2356 | for (Event::all_watchers) { |
2365 | for (Event::all_watchers) { |
2357 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2366 | $_->cancel if $_->data & WF_AUTOCANCEL; |
2358 | } |
2367 | } |
2359 | |
2368 | |
|
|
2369 | warn "syncing database to disk"; |
|
|
2370 | BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { }; |
|
|
2371 | |
2360 | warn "flushing outstanding aio requests"; |
2372 | warn "flushing outstanding aio requests"; |
2361 | for (;;) { |
2373 | for (;;) { |
|
|
2374 | BDB::flush; |
2362 | IO::AIO::flush; |
2375 | IO::AIO::flush; |
2363 | Coro::cede; |
2376 | Coro::cede; |
2364 | last unless IO::AIO::nreqs; |
2377 | last unless IO::AIO::nreqs || BDB::nreqs; |
2365 | warn "iterate..."; |
2378 | warn "iterate..."; |
2366 | } |
2379 | } |
2367 | |
2380 | |
2368 | warn "cancelling all extension coros"; |
2381 | warn "cancelling all extension coros"; |
2369 | $_->cancel for values %EXT_CORO; |
2382 | $_->cancel for values %EXT_CORO; |
… | |
… | |
2424 | require cf; |
2437 | require cf; |
2425 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2438 | cf::_connect_to_perl; # nominally unnecessary, but cannot hurt |
2426 | |
2439 | |
2427 | warn "loading config and database again"; |
2440 | warn "loading config and database again"; |
2428 | cf::cfg_load; |
2441 | cf::cfg_load; |
2429 | cf::db_load; |
|
|
2430 | |
2442 | |
2431 | warn "loading extensions"; |
2443 | warn "loading extensions"; |
2432 | cf::load_extensions; |
2444 | cf::load_extensions; |
2433 | |
2445 | |
2434 | warn "reattaching attachments to objects/players"; |
2446 | warn "reattaching attachments to objects/players"; |
2435 | _global_reattach; |
2447 | _global_reattach; |
2436 | warn "reattaching attachments to maps"; |
2448 | warn "reattaching attachments to maps"; |
2437 | reattach $_ for values %MAP; |
2449 | reattach $_ for values %MAP; |
|
|
2450 | |
|
|
2451 | warn "loading reloadable resources"; |
|
|
2452 | load_resources; |
2438 | |
2453 | |
2439 | warn "restarting server ticker"; |
2454 | warn "restarting server ticker"; |
2440 | |
2455 | |
2441 | $TICK_WATCHER->start; |
2456 | $TICK_WATCHER->start; |
2442 | }; |
2457 | }; |
… | |
… | |
2478 | my $bug_warning = 0; |
2493 | my $bug_warning = 0; |
2479 | |
2494 | |
2480 | $TICK_WATCHER = Event->timer ( |
2495 | $TICK_WATCHER = Event->timer ( |
2481 | reentrant => 0, |
2496 | reentrant => 0, |
2482 | parked => 1, |
2497 | parked => 1, |
2483 | prio => -1, |
2498 | prio => 0, |
2484 | at => $NEXT_TICK || $TICK, |
2499 | at => $NEXT_TICK || $TICK, |
2485 | data => WF_AUTOCANCEL, |
2500 | data => WF_AUTOCANCEL, |
2486 | cb => sub { |
2501 | cb => sub { |
2487 | if ($Coro::current != $Coro::main) { |
2502 | if ($Coro::current != $Coro::main) { |
2488 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
2503 | Carp::cluck "major BUG: server tick called outside of main coro, skipping it" |
… | |
… | |
2497 | $NEXT_TICK += $TICK; |
2512 | $NEXT_TICK += $TICK; |
2498 | |
2513 | |
2499 | $WAIT_FOR_TICK->broadcast; |
2514 | $WAIT_FOR_TICK->broadcast; |
2500 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2515 | $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited; |
2501 | |
2516 | |
|
|
2517 | Event::sweep; |
|
|
2518 | Coro::cede_notself; |
|
|
2519 | |
2502 | my $AFTER = Event::time; |
2520 | # my $AFTER = Event::time; |
2503 | warn $AFTER - $NOW;#d# |
2521 | # warn $AFTER - $NOW;#d# |
2504 | |
2522 | |
2505 | # if we are delayed by four ticks or more, skip them all |
2523 | # if we are delayed by four ticks or more, skip them all |
2506 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2524 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
2507 | |
2525 | |
2508 | $TICK_WATCHER->at ($NEXT_TICK); |
2526 | $TICK_WATCHER->at ($NEXT_TICK); |
2509 | $TICK_WATCHER->start; |
2527 | $TICK_WATCHER->start; |
2510 | }, |
2528 | }, |
2511 | ); |
2529 | ); |
2512 | |
2530 | |
|
|
2531 | { |
2513 | IO::AIO::max_poll_time $TICK * 0.2; |
2532 | BDB::max_poll_time $TICK * 0.1; |
|
|
2533 | $BDB_POLL_WATCHER = Event->io ( |
|
|
2534 | reentrant => 0, |
|
|
2535 | fd => BDB::poll_fileno, |
|
|
2536 | poll => 'r', |
|
|
2537 | prio => 0, |
|
|
2538 | data => WF_AUTOCANCEL, |
|
|
2539 | cb => \&BDB::poll_cb, |
|
|
2540 | ); |
|
|
2541 | BDB::min_parallel 8; |
2514 | |
2542 | |
|
|
2543 | BDB::set_sync_prepare { |
|
|
2544 | my $status; |
|
|
2545 | my $current = $Coro::current; |
|
|
2546 | ( |
|
|
2547 | sub { |
|
|
2548 | $status = $!; |
|
|
2549 | $current->ready; undef $current; |
|
|
2550 | }, |
|
|
2551 | sub { |
|
|
2552 | Coro::schedule while defined $current; |
|
|
2553 | $! = $status; |
|
|
2554 | }, |
|
|
2555 | ) |
|
|
2556 | }; |
|
|
2557 | |
|
|
2558 | unless ($DB_ENV) { |
|
|
2559 | $DB_ENV = BDB::db_env_create; |
|
|
2560 | |
|
|
2561 | cf::sync_job { |
|
|
2562 | eval { |
|
|
2563 | BDB::db_env_open |
|
|
2564 | $DB_ENV, |
|
|
2565 | $BDB_ENV_DIR, |
|
|
2566 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
|
|
2567 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
|
|
2568 | 0666; |
|
|
2569 | |
|
|
2570 | cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; |
|
|
2571 | |
|
|
2572 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
|
|
2573 | $DB_ENV->set_lk_detect; |
|
|
2574 | }; |
|
|
2575 | |
|
|
2576 | cf::cleanup "db_env_open(db): $@" if $@; |
|
|
2577 | }; |
|
|
2578 | } |
|
|
2579 | } |
|
|
2580 | |
|
|
2581 | { |
|
|
2582 | IO::AIO::min_parallel 8; |
|
|
2583 | |
2515 | undef $Coro::AIO::WATCHER; |
2584 | undef $Coro::AIO::WATCHER; |
|
|
2585 | IO::AIO::max_poll_time $TICK * 0.1; |
2516 | $AIO_POLL_WATCHER = Event->io ( |
2586 | $AIO_POLL_WATCHER = Event->io ( |
2517 | reentrant => 0, |
2587 | reentrant => 0, |
2518 | fd => IO::AIO::poll_fileno, |
2588 | fd => IO::AIO::poll_fileno, |
2519 | poll => 'r', |
2589 | poll => 'r', |
2520 | prio => 6, |
2590 | prio => 6, |
2521 | data => WF_AUTOCANCEL, |
2591 | data => WF_AUTOCANCEL, |
2522 | cb => \&IO::AIO::poll_cb, |
2592 | cb => \&IO::AIO::poll_cb, |
2523 | ); |
2593 | ); |
|
|
2594 | } |
2524 | |
2595 | |
2525 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
2596 | $WRITE_RUNTIME_WATCHER = Event->timer ( |
2526 | reentrant => 0, |
2597 | reentrant => 0, |
2527 | data => WF_AUTOCANCEL, |
2598 | data => WF_AUTOCANCEL, |
2528 | after => 1, |
2599 | after => 1, |