… | |
… | |
3 | use utf8; |
3 | use utf8; |
4 | use strict; |
4 | use strict; |
5 | |
5 | |
6 | use Symbol; |
6 | use Symbol; |
7 | use List::Util; |
7 | use List::Util; |
|
|
8 | use Socket; |
8 | use Storable; |
9 | use Storable; |
9 | use Event; |
10 | use Event; |
10 | use Opcode; |
11 | use Opcode; |
11 | use Safe; |
12 | use Safe; |
12 | use Safe::Hole; |
13 | use Safe::Hole; |
13 | |
14 | |
14 | use Coro 3.61 (); |
15 | use Coro 3.61 (); |
15 | use Coro::State; |
16 | use Coro::State; |
|
|
17 | use Coro::Handle; |
16 | use Coro::Event; |
18 | use Coro::Event; |
17 | use Coro::Timer; |
19 | use Coro::Timer; |
18 | use Coro::Signal; |
20 | use Coro::Signal; |
19 | use Coro::Semaphore; |
21 | use Coro::Semaphore; |
20 | use Coro::AIO; |
22 | use Coro::AIO; |
… | |
… | |
52 | our %EXT_CORO = (); # coroutines bound to extensions |
54 | our %EXT_CORO = (); # coroutines bound to extensions |
53 | our %EXT_MAP = (); # pluggable maps |
55 | our %EXT_MAP = (); # pluggable maps |
54 | |
56 | |
55 | our $RELOAD; # number of reloads so far |
57 | our $RELOAD; # number of reloads so far |
56 | our @EVENT; |
58 | our @EVENT; |
57 | our $LIBDIR = datadir . "/ext"; |
59 | |
|
|
60 | our $CONFDIR = confdir; |
|
|
61 | our $DATADIR = datadir; |
|
|
62 | our $LIBDIR = "$DATADIR/ext"; |
|
|
63 | our $PODDIR = "$DATADIR/pod"; |
|
|
64 | our $MAPDIR = "$DATADIR/" . mapdir; |
|
|
65 | our $LOCALDIR = localdir; |
|
|
66 | our $TMPDIR = "$LOCALDIR/" . tmpdir; |
|
|
67 | our $UNIQUEDIR = "$LOCALDIR/" . uniquedir; |
|
|
68 | our $PLAYERDIR = "$LOCALDIR/" . playerdir; |
|
|
69 | our $RANDOMDIR = "$LOCALDIR/random"; |
|
|
70 | our $BDBDIR = "$LOCALDIR/db"; |
58 | |
71 | |
59 | our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) |
72 | our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!) |
60 | our $TICK_WATCHER; |
73 | our $TICK_WATCHER; |
61 | our $AIO_POLL_WATCHER; |
74 | our $AIO_POLL_WATCHER; |
62 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
75 | our $NEXT_RUNTIME_WRITE; # when should the runtime file be written |
… | |
… | |
73 | our $RUNTIME; |
86 | our $RUNTIME; |
74 | |
87 | |
75 | our %PLAYER; # all users |
88 | our %PLAYER; # all users |
76 | our %MAP; # all maps |
89 | our %MAP; # all maps |
77 | our $LINK_MAP; # the special {link} map, which is always available |
90 | our $LINK_MAP; # the special {link} map, which is always available |
78 | our $RANDOM_MAPS = cf::localdir . "/random"; |
|
|
79 | our $BDB_ENV_DIR = cf::localdir . "/db"; |
|
|
80 | |
91 | |
81 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
92 | # used to convert map paths into valid unix filenames by replacing / by ∕ |
82 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
93 | our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons |
83 | |
94 | |
84 | binmode STDOUT; |
95 | binmode STDOUT; |
85 | binmode STDERR; |
96 | binmode STDERR; |
86 | |
97 | |
87 | # read virtual server time, if available |
98 | # read virtual server time, if available |
88 | unless ($RUNTIME || !-e cf::localdir . "/runtime") { |
99 | unless ($RUNTIME || !-e "$LOCALDIR/runtime") { |
89 | open my $fh, "<", cf::localdir . "/runtime" |
100 | open my $fh, "<", "$LOCALDIR/runtime" |
90 | or die "unable to read runtime file: $!"; |
101 | or die "unable to read runtime file: $!"; |
91 | $RUNTIME = <$fh> + 0.; |
102 | $RUNTIME = <$fh> + 0.; |
92 | } |
103 | } |
93 | |
104 | |
94 | mkdir cf::localdir; |
105 | mkdir $_ |
95 | mkdir cf::localdir . "/" . cf::playerdir; |
106 | for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR; |
96 | mkdir cf::localdir . "/" . cf::tmpdir; |
|
|
97 | mkdir cf::localdir . "/" . cf::uniquedir; |
|
|
98 | mkdir $RANDOM_MAPS; |
|
|
99 | mkdir $BDB_ENV_DIR; |
|
|
100 | |
107 | |
101 | our $EMERGENCY_POSITION; |
108 | our $EMERGENCY_POSITION; |
102 | |
109 | |
103 | sub cf::map::normalise; |
110 | sub cf::map::normalise; |
104 | |
111 | |
… | |
… | |
115 | =item $cf::RUNTIME |
122 | =item $cf::RUNTIME |
116 | |
123 | |
117 | The time this server has run, starts at 0 and is increased by $cf::TICK on |
124 | The time this server has run, starts at 0 and is increased by $cf::TICK on |
118 | every server tick. |
125 | every server tick. |
119 | |
126 | |
120 | =item $cf::LIBDIR |
127 | =item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR |
|
|
128 | $cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR |
|
|
129 | $cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR |
121 | |
130 | |
122 | The perl library directory, where extensions and cf-specific modules can |
131 | Various directories - "/etc", read-only install directory, perl-library |
123 | be found. It will be added to C<@INC> automatically. |
132 | directory, pod-directory, read-only maps directory, "/var", "/var/tmp", |
|
|
133 | unique-items directory, player file directory, random maps directory and |
|
|
134 | database environment. |
124 | |
135 | |
125 | =item $cf::NOW |
136 | =item $cf::NOW |
126 | |
137 | |
127 | The time of the last (current) server tick. |
138 | The time of the last (current) server tick. |
128 | |
139 | |
… | |
… | |
146 | =cut |
157 | =cut |
147 | |
158 | |
148 | BEGIN { |
159 | BEGIN { |
149 | *CORE::GLOBAL::warn = sub { |
160 | *CORE::GLOBAL::warn = sub { |
150 | my $msg = join "", @_; |
161 | my $msg = join "", @_; |
151 | utf8::encode $msg; |
|
|
152 | |
162 | |
153 | $msg .= "\n" |
163 | $msg .= "\n" |
154 | unless $msg =~ /\n$/; |
164 | unless $msg =~ /\n$/; |
155 | |
165 | |
|
|
166 | $msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge; |
|
|
167 | |
|
|
168 | utf8::encode $msg; |
156 | LOG llevError, $msg; |
169 | LOG llevError, $msg; |
157 | }; |
170 | }; |
158 | } |
171 | } |
159 | |
172 | |
160 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
173 | @safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; |
… | |
… | |
230 | returned. |
243 | returned. |
231 | |
244 | |
232 | Lock names should begin with a unique identifier (for example, cf::map::find |
245 | Lock names should begin with a unique identifier (for example, cf::map::find |
233 | uses map_find and cf::map::load uses map_load). |
246 | uses map_find and cf::map::load uses map_load). |
234 | |
247 | |
|
|
248 | =item $locked = cf::lock_active $string |
|
|
249 | |
|
|
250 | Return true if the lock is currently active, i.e. somebody has locked it. |
|
|
251 | |
235 | =cut |
252 | =cut |
236 | |
253 | |
237 | our %LOCK; |
254 | our %LOCK; |
238 | |
255 | |
239 | sub lock_wait($) { |
256 | sub lock_wait($) { |
… | |
… | |
256 | |
273 | |
257 | Coro::guard { |
274 | Coro::guard { |
258 | # wake up all waiters, to be on the safe side |
275 | # wake up all waiters, to be on the safe side |
259 | $_->ready for @{ delete $LOCK{$key} }; |
276 | $_->ready for @{ delete $LOCK{$key} }; |
260 | } |
277 | } |
|
|
278 | } |
|
|
279 | |
|
|
280 | sub lock_active($) { |
|
|
281 | my ($key) = @_; |
|
|
282 | |
|
|
283 | ! ! $LOCK{$key} |
261 | } |
284 | } |
262 | |
285 | |
263 | sub freeze_mainloop { |
286 | sub freeze_mainloop { |
264 | return unless $TICK_WATCHER->is_active; |
287 | return unless $TICK_WATCHER->is_active; |
265 | |
288 | |
… | |
… | |
346 | } |
369 | } |
347 | |
370 | |
348 | sub write_runtime { |
371 | sub write_runtime { |
349 | my $guard = cf::lock_acquire "write_runtime"; |
372 | my $guard = cf::lock_acquire "write_runtime"; |
350 | |
373 | |
351 | my $runtime = cf::localdir . "/runtime"; |
374 | my $runtime = "$LOCALDIR/runtime"; |
352 | |
375 | |
353 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
376 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
354 | or return; |
377 | or return; |
355 | |
378 | |
356 | my $value = $cf::RUNTIME + 90 + 10; |
379 | my $value = $cf::RUNTIME + 90 + 10; |
… | |
… | |
951 | Returns the given player object, loading it if necessary (might block). |
974 | Returns the given player object, loading it if necessary (might block). |
952 | |
975 | |
953 | =cut |
976 | =cut |
954 | |
977 | |
955 | sub playerdir($) { |
978 | sub playerdir($) { |
956 | cf::localdir |
979 | "$PLAYERDIR/" |
957 | . "/" |
|
|
958 | . cf::playerdir |
|
|
959 | . "/" |
|
|
960 | . (ref $_[0] ? $_[0]->ob->name : $_[0]) |
980 | . (ref $_[0] ? $_[0]->ob->name : $_[0]) |
961 | } |
981 | } |
962 | |
982 | |
963 | sub path($) { |
983 | sub path($) { |
964 | my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
984 | my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
… | |
… | |
1084 | while and may block, so not sync_job-capable, ever. |
1104 | while and may block, so not sync_job-capable, ever. |
1085 | |
1105 | |
1086 | =cut |
1106 | =cut |
1087 | |
1107 | |
1088 | sub list_logins { |
1108 | sub list_logins { |
1089 | my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir |
1109 | my $dirs = aio_readdir $PLAYERDIR |
1090 | or return []; |
1110 | or return []; |
1091 | |
1111 | |
1092 | my @logins; |
1112 | my @logins; |
1093 | |
1113 | |
1094 | for my $login (@$dirs) { |
1114 | for my $login (@$dirs) { |
… | |
… | |
1332 | |
1352 | |
1333 | # the original (read-only) location |
1353 | # the original (read-only) location |
1334 | sub load_path { |
1354 | sub load_path { |
1335 | my ($self) = @_; |
1355 | my ($self) = @_; |
1336 | |
1356 | |
1337 | sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} |
1357 | "$MAPDIR/$self->{path}.map" |
1338 | } |
1358 | } |
1339 | |
1359 | |
1340 | # the temporary/swap location |
1360 | # the temporary/swap location |
1341 | sub save_path { |
1361 | sub save_path { |
1342 | my ($self) = @_; |
1362 | my ($self) = @_; |
1343 | |
1363 | |
1344 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1364 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1345 | sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path |
1365 | "$TMPDIR/$path.map" |
1346 | } |
1366 | } |
1347 | |
1367 | |
1348 | # the unique path, undef == no special unique path |
1368 | # the unique path, undef == no special unique path |
1349 | sub uniq_path { |
1369 | sub uniq_path { |
1350 | my ($self) = @_; |
1370 | my ($self) = @_; |
1351 | |
1371 | |
1352 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1372 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1353 | sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path |
1373 | "$UNIQUEDIR/$path" |
1354 | } |
1374 | } |
1355 | |
1375 | |
1356 | # and all this just because we cannot iterate over |
1376 | # and all this just because we cannot iterate over |
1357 | # all maps in C++... |
1377 | # all maps in C++... |
1358 | sub change_all_map_light { |
1378 | sub change_all_map_light { |
… | |
… | |
1470 | my ($self) = @_; |
1490 | my ($self) = @_; |
1471 | |
1491 | |
1472 | local $self->{deny_reset} = 1; # loading can take a long time |
1492 | local $self->{deny_reset} = 1; # loading can take a long time |
1473 | |
1493 | |
1474 | my $path = $self->{path}; |
1494 | my $path = $self->{path}; |
|
|
1495 | |
|
|
1496 | { |
1475 | my $guard = cf::lock_acquire "map_load:$path"; |
1497 | my $guard = cf::lock_acquire "map_load:$path"; |
1476 | |
1498 | |
1477 | return if $self->in_memory != cf::MAP_SWAPPED; |
1499 | return if $self->in_memory != cf::MAP_SWAPPED; |
1478 | |
1500 | |
1479 | $self->in_memory (cf::MAP_LOADING); |
1501 | $self->in_memory (cf::MAP_LOADING); |
1480 | |
1502 | |
1481 | $self->alloc; |
1503 | $self->alloc; |
1482 | |
1504 | |
1483 | $self->pre_load; |
1505 | $self->pre_load; |
1484 | Coro::cede; |
|
|
1485 | |
|
|
1486 | $self->_load_objects ($self->{load_path}, 1) |
|
|
1487 | or return; |
|
|
1488 | |
|
|
1489 | $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
|
|
1490 | if delete $self->{load_original}; |
|
|
1491 | |
|
|
1492 | if (my $uniq = $self->uniq_path) { |
|
|
1493 | utf8::encode $uniq; |
|
|
1494 | if (aio_open $uniq, O_RDONLY, 0) { |
|
|
1495 | $self->clear_unique_items; |
|
|
1496 | $self->_load_objects ($uniq, 0); |
|
|
1497 | } |
|
|
1498 | } |
|
|
1499 | |
|
|
1500 | Coro::cede; |
|
|
1501 | # now do the right thing for maps |
|
|
1502 | $self->link_multipart_objects; |
|
|
1503 | Coro::cede; |
|
|
1504 | |
|
|
1505 | unless ($self->{deny_activate}) { |
|
|
1506 | $self->decay_objects; |
|
|
1507 | $self->fix_auto_apply; |
|
|
1508 | $self->update_buttons; |
|
|
1509 | Coro::cede; |
1506 | Coro::cede; |
1510 | $self->set_darkness_map; |
1507 | |
|
|
1508 | $self->_load_objects ($self->{load_path}, 1) |
|
|
1509 | or return; |
|
|
1510 | |
|
|
1511 | $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
|
|
1512 | if delete $self->{load_original}; |
|
|
1513 | |
|
|
1514 | if (my $uniq = $self->uniq_path) { |
|
|
1515 | utf8::encode $uniq; |
|
|
1516 | if (aio_open $uniq, O_RDONLY, 0) { |
|
|
1517 | $self->clear_unique_items; |
|
|
1518 | $self->_load_objects ($uniq, 0); |
|
|
1519 | } |
|
|
1520 | } |
|
|
1521 | |
|
|
1522 | Coro::cede; |
|
|
1523 | # now do the right thing for maps |
|
|
1524 | $self->link_multipart_objects; |
1511 | $self->difficulty ($self->estimate_difficulty) |
1525 | $self->difficulty ($self->estimate_difficulty) |
1512 | unless $self->difficulty; |
1526 | unless $self->difficulty; |
1513 | Coro::cede; |
1527 | Coro::cede; |
|
|
1528 | |
|
|
1529 | unless ($self->{deny_activate}) { |
|
|
1530 | $self->decay_objects; |
|
|
1531 | $self->fix_auto_apply; |
|
|
1532 | $self->update_buttons; |
|
|
1533 | Coro::cede; |
|
|
1534 | $self->set_darkness_map; |
|
|
1535 | Coro::cede; |
1514 | $self->activate; |
1536 | $self->activate; |
1515 | Coro::cede; |
1537 | } |
|
|
1538 | |
|
|
1539 | $self->in_memory (cf::MAP_IN_MEMORY); |
1516 | } |
1540 | } |
1517 | |
1541 | |
1518 | $self->post_load; |
1542 | $self->post_load; |
1519 | Coro::cede; |
|
|
1520 | |
|
|
1521 | $self->in_memory (cf::MAP_IN_MEMORY); |
|
|
1522 | } |
1543 | } |
1523 | |
1544 | |
1524 | sub customise_for { |
1545 | sub customise_for { |
1525 | my ($self, $ob) = @_; |
1546 | my ($self, $ob) = @_; |
1526 | |
1547 | |
… | |
… | |
1717 | instantiated unique items. May block. |
1738 | instantiated unique items. May block. |
1718 | |
1739 | |
1719 | =cut |
1740 | =cut |
1720 | |
1741 | |
1721 | sub unique_maps() { |
1742 | sub unique_maps() { |
1722 | my $files = aio_readdir cf::localdir . "/" . cf::uniquedir |
1743 | my $files = aio_readdir $UNIQUEDIR |
1723 | or return; |
1744 | or return; |
1724 | |
1745 | |
1725 | my @paths; |
1746 | my @paths; |
1726 | |
1747 | |
1727 | for (@$files) { |
1748 | for (@$files) { |
… | |
… | |
1840 | $LINK_MAP |
1861 | $LINK_MAP |
1841 | } |
1862 | } |
1842 | |
1863 | |
1843 | sub cf::object::player::enter_link { |
1864 | sub cf::object::player::enter_link { |
1844 | my ($self) = @_; |
1865 | my ($self) = @_; |
1845 | |
|
|
1846 | $self->deactivate_recursive; |
|
|
1847 | |
1866 | |
1848 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
1867 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
1849 | |
1868 | |
1850 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
1869 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
1851 | if $self->map; |
1870 | if $self->map; |
… | |
… | |
1983 | |
2002 | |
1984 | $rmp->{random_seed} ||= $exit->random_seed; |
2003 | $rmp->{random_seed} ||= $exit->random_seed; |
1985 | |
2004 | |
1986 | my $data = cf::to_json $rmp; |
2005 | my $data = cf::to_json $rmp; |
1987 | my $md5 = Digest::MD5::md5_hex $data; |
2006 | my $md5 = Digest::MD5::md5_hex $data; |
1988 | my $meta = "$cf::RANDOM_MAPS/$md5.meta"; |
2007 | my $meta = "$RANDOMDIR/$md5.meta"; |
1989 | |
2008 | |
1990 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
2009 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
1991 | aio_write $fh, 0, (length $data), $data, 0; |
2010 | aio_write $fh, 0, (length $data), $data, 0; |
1992 | undef $fh; |
2011 | undef $fh; |
1993 | aio_rename "$meta~", $meta; |
2012 | aio_rename "$meta~", $meta; |
… | |
… | |
2262 | ############################################################################# |
2281 | ############################################################################# |
2263 | |
2282 | |
2264 | =head2 EXTENSION DATABASE SUPPORT |
2283 | =head2 EXTENSION DATABASE SUPPORT |
2265 | |
2284 | |
2266 | Crossfire maintains a very simple database for extension use. It can |
2285 | Crossfire maintains a very simple database for extension use. It can |
2267 | currently store anything that can be serialised using Storable, which |
2286 | currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to |
2268 | excludes objects. |
2287 | convert to/from binary). |
2269 | |
2288 | |
2270 | The parameter C<$family> should best start with the name of the extension |
2289 | The parameter C<$family> should best start with the name of the extension |
2271 | using it, it should be unique. |
2290 | using it, it should be unique. |
2272 | |
2291 | |
2273 | =over 4 |
2292 | =over 4 |
… | |
… | |
2296 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
2315 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
2297 | cf::cleanup "db_open(db): $!" if $!; |
2316 | cf::cleanup "db_open(db): $!" if $!; |
2298 | }; |
2317 | }; |
2299 | cf::cleanup "db_open(db): $@" if $@; |
2318 | cf::cleanup "db_open(db): $@" if $@; |
2300 | }; |
2319 | }; |
2301 | |
|
|
2302 | my $path = cf::localdir . "/database.pst"; |
|
|
2303 | if (stat $path) { |
|
|
2304 | cf::sync_job { |
|
|
2305 | my $pst = Storable::retrieve $path; |
|
|
2306 | |
|
|
2307 | cf::db_put (board => data => $pst->{board}); |
|
|
2308 | cf::db_put (guildrules => data => $pst->{guildrules}); |
|
|
2309 | cf::db_put (rent => balance => $pst->{rent}{balance}); |
|
|
2310 | BDB::db_env_txn_checkpoint $DB_ENV; |
|
|
2311 | |
|
|
2312 | unlink $path; |
|
|
2313 | }; |
|
|
2314 | } |
|
|
2315 | } |
2320 | } |
2316 | } |
2321 | } |
2317 | |
2322 | |
2318 | sub db_get($$) { |
2323 | sub db_get($$) { |
2319 | my $key = "$_[0]/$_[1]"; |
2324 | my $key = "$_[0]/$_[1]"; |
2320 | |
2325 | |
2321 | cf::sync_job { |
2326 | cf::sync_job { |
2322 | BDB::db_get $DB, undef, $key, my $data; |
2327 | BDB::db_get $DB, undef, $key, my $data; |
2323 | |
2328 | |
2324 | $! ? () |
2329 | $! ? () |
2325 | : Compress::LZF::sthaw $data |
2330 | : $data |
2326 | } |
2331 | } |
2327 | } |
2332 | } |
2328 | |
2333 | |
2329 | sub db_put($$$) { |
2334 | sub db_put($$$) { |
2330 | BDB::dbreq_pri 4; |
2335 | BDB::dbreq_pri 4; |
2331 | BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; |
2336 | BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; |
2332 | } |
2337 | } |
2333 | |
2338 | |
2334 | =item cf::cache $id => ... |
2339 | =item cf::cache $id => [$paths...], $processversion => $process |
2335 | |
2340 | |
2336 | Generic caching function that returns the value of the resource $id, |
2341 | Generic caching function that returns the value of the resource $id, |
2337 | caching and regenerating as required. |
2342 | caching and regenerating as required. |
2338 | |
2343 | |
2339 | This function can block. |
2344 | This function can block. |
2340 | |
2345 | |
2341 | source => filename returning the data (must be a scalar) |
|
|
2342 | expensive => true == try to cache harder |
|
|
2343 | filter => sub that processes the data into a scalar |
|
|
2344 | |
|
|
2345 | =cut |
2346 | =cut |
2346 | |
2347 | |
2347 | sub cache { |
2348 | sub cache { |
2348 | my ($id, %arg) = @_; |
2349 | my ($id, $src, $processversion, $process) = @_; |
2349 | |
2350 | |
2350 | aio_stat $arg{source} |
2351 | my $meta = |
2351 | and Carp::croak "$arg{source}: $!"; |
2352 | join "\x00", |
|
|
2353 | $processversion, |
|
|
2354 | map { |
|
|
2355 | aio_stat $_ |
|
|
2356 | and Carp::croak "$_: $!"; |
2352 | |
2357 | |
2353 | my $meta = join ":", (stat _)[7,9]; |
2358 | ($_, (stat _)[7,9]) |
2354 | my $md5; |
2359 | } @$src; |
2355 | |
2360 | |
2356 | if ($arg{expensive}) { |
|
|
2357 | 0 <= aio_load $arg{source}, my $buf |
|
|
2358 | or Carp::croak "$arg{source}: $!"; |
|
|
2359 | |
|
|
2360 | $md5 = Digest::MD5::md5_hex $buf; |
|
|
2361 | } |
|
|
2362 | |
|
|
2363 | my $dbmeta = db_get "$id/meta"; |
2361 | my $dbmeta = db_get cache => "$id/meta"; |
2364 | if ($dbmeta ne $meta) { |
2362 | if ($dbmeta ne $meta) { |
2365 | # changed, we need to process |
2363 | # changed, we may need to process |
|
|
2364 | |
|
|
2365 | my @data; |
|
|
2366 | my $md5; |
|
|
2367 | |
|
|
2368 | for (0 .. $#$src) { |
|
|
2369 | 0 <= aio_load $src->[$_], $data[$_] |
|
|
2370 | or Carp::croak "$src->[$_]: $!"; |
|
|
2371 | } |
|
|
2372 | |
|
|
2373 | # if processing is expensive, check |
|
|
2374 | # checksum first |
|
|
2375 | if (1) { |
|
|
2376 | $md5 = |
|
|
2377 | join "\x00", |
|
|
2378 | $processversion, |
|
|
2379 | map { |
|
|
2380 | Coro::cede; |
|
|
2381 | ($src->[$_], Digest::MD5::md5_hex $data[$_]) |
|
|
2382 | } 0.. $#$src; |
|
|
2383 | |
|
|
2384 | |
|
|
2385 | my $dbmd5 = db_get cache => "$id/md5"; |
|
|
2386 | if ($dbmd5 eq $md5) { |
|
|
2387 | db_put cache => "$id/meta", $meta; |
|
|
2388 | |
|
|
2389 | return db_get cache => "$id/data"; |
|
|
2390 | } |
|
|
2391 | } |
|
|
2392 | |
|
|
2393 | my $t1 = Time::HiRes::time; |
|
|
2394 | my $data = $process->(\@data); |
|
|
2395 | my $t2 = Time::HiRes::time; |
|
|
2396 | |
|
|
2397 | warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; |
|
|
2398 | |
|
|
2399 | db_put cache => "$id/data", $data; |
|
|
2400 | db_put cache => "$id/md5" , $md5; |
|
|
2401 | db_put cache => "$id/meta", $meta; |
|
|
2402 | |
|
|
2403 | return $data; |
|
|
2404 | } |
|
|
2405 | |
|
|
2406 | db_get cache => "$id/data" |
|
|
2407 | } |
|
|
2408 | |
|
|
2409 | =item fork_call { }, $args |
|
|
2410 | |
|
|
2411 | Executes the given code block with the given arguments in a seperate |
|
|
2412 | process, returning the results. Everything must be serialisable with |
|
|
2413 | Coro::Storable. May, of course, block. Note that the executed sub may |
|
|
2414 | never block itself or use any form of Event handling. |
|
|
2415 | |
|
|
2416 | =cut |
|
|
2417 | |
|
|
2418 | sub fork_call(&@) { |
|
|
2419 | my ($cb, @args) = @_; |
|
|
2420 | |
|
|
2421 | # socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
|
|
2422 | # or die "socketpair: $!"; |
|
|
2423 | pipe my $fh1, my $fh2 |
|
|
2424 | or die "pipe: $!"; |
|
|
2425 | |
|
|
2426 | if (my $pid = fork) { |
|
|
2427 | close $fh2; |
|
|
2428 | |
|
|
2429 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
|
|
2430 | $res = Coro::Storable::thaw $res; |
|
|
2431 | |
|
|
2432 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
|
|
2433 | |
|
|
2434 | die $$res unless "ARRAY" eq ref $res; |
|
|
2435 | |
|
|
2436 | return wantarray ? @$res : $res->[-1]; |
2366 | } else { |
2437 | } else { |
2367 | # just fetch |
2438 | local $SIG{__WARN__}; |
2368 | } |
2439 | eval { |
|
|
2440 | local $SIG{__DIE__}; |
|
|
2441 | close $fh1; |
2369 | |
2442 | |
|
|
2443 | my @res = eval { $cb->(@args) }; |
|
|
2444 | syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); |
|
|
2445 | }; |
2370 | |
2446 | |
|
|
2447 | warn $@ if $@; |
|
|
2448 | _exit 0; |
|
|
2449 | } |
2371 | } |
2450 | } |
|
|
2451 | |
|
|
2452 | |
2372 | |
2453 | |
2373 | ############################################################################# |
2454 | ############################################################################# |
2374 | # the server's init and main functions |
2455 | # the server's init and main functions |
2375 | |
2456 | |
2376 | sub load_facedata($) { |
2457 | sub load_facedata($) { |
… | |
… | |
2423 | } |
2504 | } |
2424 | |
2505 | |
2425 | 1 |
2506 | 1 |
2426 | } |
2507 | } |
2427 | |
2508 | |
|
|
2509 | sub reload_regions { |
|
|
2510 | load_resource_file "$MAPDIR/regions" |
|
|
2511 | or die "unable to load regions file\n"; |
|
|
2512 | } |
|
|
2513 | |
2428 | sub reload_facedata { |
2514 | sub reload_facedata { |
2429 | load_facedata sprintf "%s/facedata", cf::datadir |
2515 | load_facedata "$DATADIR/facedata" |
2430 | or die "unable to load facedata\n"; |
2516 | or die "unable to load facedata\n"; |
2431 | } |
2517 | } |
2432 | |
2518 | |
2433 | sub reload_regions { |
|
|
2434 | load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
|
|
2435 | or die "unable to load regions file\n"; |
|
|
2436 | } |
|
|
2437 | |
|
|
2438 | sub reload_archetypes { |
2519 | sub reload_archetypes { |
2439 | load_resource_file sprintf "%s/archetypes", cf::datadir |
2520 | load_resource_file "$DATADIR/archetypes" |
2440 | or die "unable to load archetypes\n"; |
2521 | or die "unable to load archetypes\n"; |
2441 | } |
2522 | } |
2442 | |
2523 | |
2443 | sub reload_treasures { |
2524 | sub reload_treasures { |
2444 | load_resource_file sprintf "%s/treasures", cf::datadir |
2525 | load_resource_file "$DATADIR/treasures" |
2445 | or die "unable to load treasurelists\n"; |
2526 | or die "unable to load treasurelists\n"; |
2446 | } |
2527 | } |
2447 | |
2528 | |
2448 | sub reload_resources { |
2529 | sub reload_resources { |
2449 | warn "reloading resource files...\n"; |
2530 | warn "reloading resource files...\n"; |
… | |
… | |
2459 | sub init { |
2540 | sub init { |
2460 | reload_resources; |
2541 | reload_resources; |
2461 | } |
2542 | } |
2462 | |
2543 | |
2463 | sub cfg_load { |
2544 | sub cfg_load { |
2464 | open my $fh, "<:utf8", cf::confdir . "/config" |
2545 | open my $fh, "<:utf8", "$CONFDIR/config" |
2465 | or return; |
2546 | or return; |
2466 | |
2547 | |
2467 | local $/; |
2548 | local $/; |
2468 | *CFG = YAML::Syck::Load <$fh>; |
2549 | *CFG = YAML::Syck::Load <$fh>; |
2469 | |
2550 | |
… | |
… | |
2639 | Symbol::delete_package "safe::$_" |
2720 | Symbol::delete_package "safe::$_" |
2640 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2721 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2641 | |
2722 | |
2642 | warn "unloading cf.pm \"a bit\""; |
2723 | warn "unloading cf.pm \"a bit\""; |
2643 | delete $INC{"cf.pm"}; |
2724 | delete $INC{"cf.pm"}; |
|
|
2725 | delete $INC{"cf/pod.pm"}; |
2644 | |
2726 | |
2645 | # don't, removes xs symbols, too, |
2727 | # don't, removes xs symbols, too, |
2646 | # and global variables created in xs |
2728 | # and global variables created in xs |
2647 | #Symbol::delete_package __PACKAGE__; |
2729 | #Symbol::delete_package __PACKAGE__; |
2648 | |
2730 | |
… | |
… | |
2808 | |
2890 | |
2809 | cf::sync_job { |
2891 | cf::sync_job { |
2810 | eval { |
2892 | eval { |
2811 | BDB::db_env_open |
2893 | BDB::db_env_open |
2812 | $DB_ENV, |
2894 | $DB_ENV, |
2813 | $BDB_ENV_DIR, |
2895 | $BDBDIR, |
2814 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
2896 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
2815 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
2897 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
2816 | 0666; |
2898 | 0666; |
2817 | |
2899 | |
2818 | cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; |
2900 | cf::cleanup "db_env_open($BDBDIR): $!" if $!; |
2819 | |
2901 | |
2820 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
2902 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
2821 | $DB_ENV->set_lk_detect; |
2903 | $DB_ENV->set_lk_detect; |
2822 | }; |
2904 | }; |
2823 | |
2905 | |