… | |
… | |
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 (@$files) { |
… | |
… | |
1841 | } |
1862 | } |
1842 | |
1863 | |
1843 | sub cf::object::player::enter_link { |
1864 | sub cf::object::player::enter_link { |
1844 | my ($self) = @_; |
1865 | my ($self) = @_; |
1845 | |
1866 | |
1846 | $self->deactivate_recursive; |
1867 | $self->activate_recursive; |
1847 | |
1868 | |
1848 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
1869 | return if UNIVERSAL::isa $self->map, "ext::map_link"; |
1849 | |
1870 | |
1850 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
1871 | $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] |
1851 | if $self->map; |
1872 | if $self->map; |
… | |
… | |
1983 | |
2004 | |
1984 | $rmp->{random_seed} ||= $exit->random_seed; |
2005 | $rmp->{random_seed} ||= $exit->random_seed; |
1985 | |
2006 | |
1986 | my $data = cf::to_json $rmp; |
2007 | my $data = cf::to_json $rmp; |
1987 | my $md5 = Digest::MD5::md5_hex $data; |
2008 | my $md5 = Digest::MD5::md5_hex $data; |
1988 | my $meta = "$cf::RANDOM_MAPS/$md5.meta"; |
2009 | my $meta = "$RANDOMDIR/$md5.meta"; |
1989 | |
2010 | |
1990 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
2011 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
1991 | aio_write $fh, 0, (length $data), $data, 0; |
2012 | aio_write $fh, 0, (length $data), $data, 0; |
1992 | undef $fh; |
2013 | undef $fh; |
1993 | aio_rename "$meta~", $meta; |
2014 | aio_rename "$meta~", $meta; |
… | |
… | |
2262 | ############################################################################# |
2283 | ############################################################################# |
2263 | |
2284 | |
2264 | =head2 EXTENSION DATABASE SUPPORT |
2285 | =head2 EXTENSION DATABASE SUPPORT |
2265 | |
2286 | |
2266 | Crossfire maintains a very simple database for extension use. It can |
2287 | Crossfire maintains a very simple database for extension use. It can |
2267 | currently store anything that can be serialised using Storable, which |
2288 | currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to |
2268 | excludes objects. |
2289 | convert to/from binary). |
2269 | |
2290 | |
2270 | The parameter C<$family> should best start with the name of the extension |
2291 | The parameter C<$family> should best start with the name of the extension |
2271 | using it, it should be unique. |
2292 | using it, it should be unique. |
2272 | |
2293 | |
2273 | =over 4 |
2294 | =over 4 |
… | |
… | |
2296 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
2317 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
2297 | cf::cleanup "db_open(db): $!" if $!; |
2318 | cf::cleanup "db_open(db): $!" if $!; |
2298 | }; |
2319 | }; |
2299 | cf::cleanup "db_open(db): $@" if $@; |
2320 | cf::cleanup "db_open(db): $@" if $@; |
2300 | }; |
2321 | }; |
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 | } |
2322 | } |
2316 | } |
2323 | } |
2317 | |
2324 | |
2318 | sub db_get($$) { |
2325 | sub db_get($$) { |
2319 | my $key = "$_[0]/$_[1]"; |
2326 | my $key = "$_[0]/$_[1]"; |
2320 | |
2327 | |
2321 | cf::sync_job { |
2328 | cf::sync_job { |
2322 | BDB::db_get $DB, undef, $key, my $data; |
2329 | BDB::db_get $DB, undef, $key, my $data; |
2323 | |
2330 | |
2324 | $! ? () |
2331 | $! ? () |
2325 | : Compress::LZF::sthaw $data |
2332 | : $data |
2326 | } |
2333 | } |
2327 | } |
2334 | } |
2328 | |
2335 | |
2329 | sub db_put($$$) { |
2336 | sub db_put($$$) { |
2330 | BDB::dbreq_pri 4; |
2337 | BDB::dbreq_pri 4; |
2331 | BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; |
2338 | BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; |
2332 | } |
2339 | } |
|
|
2340 | |
|
|
2341 | =item cf::cache $id => [$paths...], $processversion => $process |
|
|
2342 | |
|
|
2343 | Generic caching function that returns the value of the resource $id, |
|
|
2344 | caching and regenerating as required. |
|
|
2345 | |
|
|
2346 | This function can block. |
|
|
2347 | |
|
|
2348 | =cut |
|
|
2349 | |
|
|
2350 | sub cache { |
|
|
2351 | my ($id, $src, $processversion, $process) = @_; |
|
|
2352 | |
|
|
2353 | my $meta = |
|
|
2354 | join "\x00", |
|
|
2355 | $processversion, |
|
|
2356 | map { |
|
|
2357 | aio_stat $_ |
|
|
2358 | and Carp::croak "$_: $!"; |
|
|
2359 | |
|
|
2360 | ($_, (stat _)[7,9]) |
|
|
2361 | } @$src; |
|
|
2362 | |
|
|
2363 | my $dbmeta = db_get cache => "$id/meta"; |
|
|
2364 | if ($dbmeta ne $meta) { |
|
|
2365 | # changed, we may need to process |
|
|
2366 | |
|
|
2367 | my @data; |
|
|
2368 | my $md5; |
|
|
2369 | |
|
|
2370 | for (0 .. $#$src) { |
|
|
2371 | 0 <= aio_load $src->[$_], $data[$_] |
|
|
2372 | or Carp::croak "$src->[$_]: $!"; |
|
|
2373 | } |
|
|
2374 | |
|
|
2375 | # if processing is expensive, check |
|
|
2376 | # checksum first |
|
|
2377 | if (1) { |
|
|
2378 | $md5 = |
|
|
2379 | join "\x00", |
|
|
2380 | $processversion, |
|
|
2381 | map { |
|
|
2382 | Coro::cede; |
|
|
2383 | ($src->[$_], Digest::MD5::md5_hex $data[$_]) |
|
|
2384 | } 0.. $#$src; |
|
|
2385 | |
|
|
2386 | |
|
|
2387 | my $dbmd5 = db_get cache => "$id/md5"; |
|
|
2388 | if ($dbmd5 eq $md5) { |
|
|
2389 | db_put cache => "$id/meta", $meta; |
|
|
2390 | |
|
|
2391 | return db_get cache => "$id/data"; |
|
|
2392 | } |
|
|
2393 | } |
|
|
2394 | |
|
|
2395 | my $t1 = Time::HiRes::time; |
|
|
2396 | my $data = $process->(\@data); |
|
|
2397 | my $t2 = Time::HiRes::time; |
|
|
2398 | |
|
|
2399 | warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; |
|
|
2400 | |
|
|
2401 | db_put cache => "$id/data", $data; |
|
|
2402 | db_put cache => "$id/md5" , $md5; |
|
|
2403 | db_put cache => "$id/meta", $meta; |
|
|
2404 | |
|
|
2405 | return $data; |
|
|
2406 | } |
|
|
2407 | |
|
|
2408 | db_get cache => "$id/data" |
|
|
2409 | } |
|
|
2410 | |
|
|
2411 | =item fork_call { }, $args |
|
|
2412 | |
|
|
2413 | Executes the given code block with the given arguments in a seperate |
|
|
2414 | process, returning the results. Everything must be serialisable with |
|
|
2415 | Coro::Storable. May, of course, block. Note that the executed sub may |
|
|
2416 | never block itself or use any form of Event handling. |
|
|
2417 | |
|
|
2418 | =cut |
|
|
2419 | |
|
|
2420 | sub fork_call(&@) { |
|
|
2421 | my ($cb, @args) = @_; |
|
|
2422 | |
|
|
2423 | # socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
|
|
2424 | # or die "socketpair: $!"; |
|
|
2425 | pipe my $fh1, my $fh2 |
|
|
2426 | or die "pipe: $!"; |
|
|
2427 | |
|
|
2428 | if (my $pid = fork) { |
|
|
2429 | close $fh2; |
|
|
2430 | |
|
|
2431 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
|
|
2432 | $res = Coro::Storable::thaw $res; |
|
|
2433 | |
|
|
2434 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
|
|
2435 | |
|
|
2436 | die $$res unless "ARRAY" eq ref $res; |
|
|
2437 | |
|
|
2438 | return wantarray ? @$res : $res->[-1]; |
|
|
2439 | } else { |
|
|
2440 | local $SIG{__WARN__}; |
|
|
2441 | eval { |
|
|
2442 | local $SIG{__DIE__}; |
|
|
2443 | close $fh1; |
|
|
2444 | |
|
|
2445 | my @res = eval { $cb->(@args) }; |
|
|
2446 | syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); |
|
|
2447 | }; |
|
|
2448 | |
|
|
2449 | warn $@ if $@; |
|
|
2450 | _exit 0; |
|
|
2451 | } |
|
|
2452 | } |
|
|
2453 | |
|
|
2454 | |
2333 | |
2455 | |
2334 | ############################################################################# |
2456 | ############################################################################# |
2335 | # the server's init and main functions |
2457 | # the server's init and main functions |
2336 | |
2458 | |
2337 | sub load_facedata($) { |
2459 | sub load_facedata($) { |
… | |
… | |
2384 | } |
2506 | } |
2385 | |
2507 | |
2386 | 1 |
2508 | 1 |
2387 | } |
2509 | } |
2388 | |
2510 | |
|
|
2511 | sub reload_regions { |
|
|
2512 | load_resource_file "$MAPDIR/regions" |
|
|
2513 | or die "unable to load regions file\n"; |
|
|
2514 | } |
|
|
2515 | |
2389 | sub reload_facedata { |
2516 | sub reload_facedata { |
2390 | load_facedata sprintf "%s/facedata", cf::datadir |
2517 | load_facedata "$DATADIR/facedata" |
2391 | or die "unable to load facedata\n"; |
2518 | or die "unable to load facedata\n"; |
2392 | } |
2519 | } |
2393 | |
2520 | |
2394 | sub reload_regions { |
|
|
2395 | load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
|
|
2396 | or die "unable to load regions file\n"; |
|
|
2397 | } |
|
|
2398 | |
|
|
2399 | sub reload_archetypes { |
2521 | sub reload_archetypes { |
2400 | load_archetype_file sprintf "%s/archetypes", cf::datadir |
2522 | load_resource_file "$DATADIR/archetypes" |
2401 | or die "unable to load archetypes\n"; |
2523 | or die "unable to load archetypes\n"; |
2402 | } |
2524 | } |
2403 | |
2525 | |
2404 | sub reload_treasures { |
2526 | sub reload_treasures { |
2405 | load_treasure_file sprintf "%s/treasures", cf::datadir |
2527 | load_resource_file "$DATADIR/treasures" |
2406 | or die "unable to load treasurelists\n"; |
2528 | or die "unable to load treasurelists\n"; |
2407 | } |
2529 | } |
2408 | |
2530 | |
2409 | sub reload_resources { |
2531 | sub reload_resources { |
2410 | warn "reloading resource files...\n"; |
2532 | warn "reloading resource files...\n"; |
… | |
… | |
2420 | sub init { |
2542 | sub init { |
2421 | reload_resources; |
2543 | reload_resources; |
2422 | } |
2544 | } |
2423 | |
2545 | |
2424 | sub cfg_load { |
2546 | sub cfg_load { |
2425 | open my $fh, "<:utf8", cf::confdir . "/config" |
2547 | open my $fh, "<:utf8", "$CONFDIR/config" |
2426 | or return; |
2548 | or return; |
2427 | |
2549 | |
2428 | local $/; |
2550 | local $/; |
2429 | *CFG = YAML::Syck::Load <$fh>; |
2551 | *CFG = YAML::Syck::Load <$fh>; |
2430 | |
2552 | |
… | |
… | |
2600 | Symbol::delete_package "safe::$_" |
2722 | Symbol::delete_package "safe::$_" |
2601 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2723 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2602 | |
2724 | |
2603 | warn "unloading cf.pm \"a bit\""; |
2725 | warn "unloading cf.pm \"a bit\""; |
2604 | delete $INC{"cf.pm"}; |
2726 | delete $INC{"cf.pm"}; |
|
|
2727 | delete $INC{"cf/pod.pm"}; |
2605 | |
2728 | |
2606 | # don't, removes xs symbols, too, |
2729 | # don't, removes xs symbols, too, |
2607 | # and global variables created in xs |
2730 | # and global variables created in xs |
2608 | #Symbol::delete_package __PACKAGE__; |
2731 | #Symbol::delete_package __PACKAGE__; |
2609 | |
2732 | |
… | |
… | |
2769 | |
2892 | |
2770 | cf::sync_job { |
2893 | cf::sync_job { |
2771 | eval { |
2894 | eval { |
2772 | BDB::db_env_open |
2895 | BDB::db_env_open |
2773 | $DB_ENV, |
2896 | $DB_ENV, |
2774 | $BDB_ENV_DIR, |
2897 | $BDBDIR, |
2775 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
2898 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
2776 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
2899 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
2777 | 0666; |
2900 | 0666; |
2778 | |
2901 | |
2779 | cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; |
2902 | cf::cleanup "db_env_open($BDBDIR): $!" if $!; |
2780 | |
2903 | |
2781 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
2904 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
2782 | $DB_ENV->set_lk_detect; |
2905 | $DB_ENV->set_lk_detect; |
2783 | }; |
2906 | }; |
2784 | |
2907 | |
… | |
… | |
2800 | prio => 6, |
2923 | prio => 6, |
2801 | cb => \&IO::AIO::poll_cb, |
2924 | cb => \&IO::AIO::poll_cb, |
2802 | ); |
2925 | ); |
2803 | } |
2926 | } |
2804 | |
2927 | |
|
|
2928 | # load additional modules |
|
|
2929 | use cf::pod; |
|
|
2930 | |
2805 | END { cf::emergency_save } |
2931 | END { cf::emergency_save } |
2806 | |
2932 | |
2807 | 1 |
2933 | 1 |
2808 | |
2934 | |