… | |
… | |
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 | |
|
|
376 | warn "starting to write runtime...\n";#d# |
353 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
377 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
354 | or return; |
378 | or return; |
355 | |
379 | |
356 | my $value = $cf::RUNTIME + 90 + 10; |
380 | my $value = $cf::RUNTIME + 90 + 10; |
357 | # 10 is the runtime save interval, for a monotonic clock |
381 | # 10 is the runtime save interval, for a monotonic clock |
… | |
… | |
367 | close $fh |
391 | close $fh |
368 | or return; |
392 | or return; |
369 | |
393 | |
370 | aio_rename "$runtime~", $runtime |
394 | aio_rename "$runtime~", $runtime |
371 | and return; |
395 | and return; |
|
|
396 | |
|
|
397 | warn "... done writing runtime.\n";#d# |
372 | |
398 | |
373 | 1 |
399 | 1 |
374 | } |
400 | } |
375 | |
401 | |
376 | =item cf::datalog type => key => value, ... |
402 | =item cf::datalog type => key => value, ... |
… | |
… | |
951 | Returns the given player object, loading it if necessary (might block). |
977 | Returns the given player object, loading it if necessary (might block). |
952 | |
978 | |
953 | =cut |
979 | =cut |
954 | |
980 | |
955 | sub playerdir($) { |
981 | sub playerdir($) { |
956 | cf::localdir |
982 | "$PLAYERDIR/" |
957 | . "/" |
|
|
958 | . cf::playerdir |
|
|
959 | . "/" |
|
|
960 | . (ref $_[0] ? $_[0]->ob->name : $_[0]) |
983 | . (ref $_[0] ? $_[0]->ob->name : $_[0]) |
961 | } |
984 | } |
962 | |
985 | |
963 | sub path($) { |
986 | sub path($) { |
964 | my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
987 | my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
… | |
… | |
1084 | while and may block, so not sync_job-capable, ever. |
1107 | while and may block, so not sync_job-capable, ever. |
1085 | |
1108 | |
1086 | =cut |
1109 | =cut |
1087 | |
1110 | |
1088 | sub list_logins { |
1111 | sub list_logins { |
1089 | my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir |
1112 | my $dirs = aio_readdir $PLAYERDIR |
1090 | or return []; |
1113 | or return []; |
1091 | |
1114 | |
1092 | my @logins; |
1115 | my @logins; |
1093 | |
1116 | |
1094 | for my $login (@$dirs) { |
1117 | for my $login (@$dirs) { |
… | |
… | |
1332 | |
1355 | |
1333 | # the original (read-only) location |
1356 | # the original (read-only) location |
1334 | sub load_path { |
1357 | sub load_path { |
1335 | my ($self) = @_; |
1358 | my ($self) = @_; |
1336 | |
1359 | |
1337 | sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} |
1360 | "$MAPDIR/$self->{path}.map" |
1338 | } |
1361 | } |
1339 | |
1362 | |
1340 | # the temporary/swap location |
1363 | # the temporary/swap location |
1341 | sub save_path { |
1364 | sub save_path { |
1342 | my ($self) = @_; |
1365 | my ($self) = @_; |
1343 | |
1366 | |
1344 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1367 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1345 | sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path |
1368 | "$TMPDIR/$path.map" |
1346 | } |
1369 | } |
1347 | |
1370 | |
1348 | # the unique path, undef == no special unique path |
1371 | # the unique path, undef == no special unique path |
1349 | sub uniq_path { |
1372 | sub uniq_path { |
1350 | my ($self) = @_; |
1373 | my ($self) = @_; |
1351 | |
1374 | |
1352 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1375 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1353 | sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path |
1376 | "$UNIQUEDIR/$path" |
1354 | } |
1377 | } |
1355 | |
1378 | |
1356 | # and all this just because we cannot iterate over |
1379 | # and all this just because we cannot iterate over |
1357 | # all maps in C++... |
1380 | # all maps in C++... |
1358 | sub change_all_map_light { |
1381 | sub change_all_map_light { |
… | |
… | |
1470 | my ($self) = @_; |
1493 | my ($self) = @_; |
1471 | |
1494 | |
1472 | local $self->{deny_reset} = 1; # loading can take a long time |
1495 | local $self->{deny_reset} = 1; # loading can take a long time |
1473 | |
1496 | |
1474 | my $path = $self->{path}; |
1497 | my $path = $self->{path}; |
|
|
1498 | |
|
|
1499 | { |
1475 | my $guard = cf::lock_acquire "map_load:$path"; |
1500 | my $guard = cf::lock_acquire "map_load:$path"; |
1476 | |
1501 | |
1477 | return if $self->in_memory != cf::MAP_SWAPPED; |
1502 | return if $self->in_memory != cf::MAP_SWAPPED; |
1478 | |
1503 | |
1479 | $self->in_memory (cf::MAP_LOADING); |
1504 | $self->in_memory (cf::MAP_LOADING); |
1480 | |
1505 | |
1481 | $self->alloc; |
1506 | $self->alloc; |
1482 | |
1507 | |
1483 | $self->pre_load; |
1508 | $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; |
1509 | Coro::cede; |
1510 | $self->set_darkness_map; |
1510 | |
|
|
1511 | $self->_load_objects ($self->{load_path}, 1) |
|
|
1512 | or return; |
|
|
1513 | |
|
|
1514 | $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
|
|
1515 | if delete $self->{load_original}; |
|
|
1516 | |
|
|
1517 | if (my $uniq = $self->uniq_path) { |
|
|
1518 | utf8::encode $uniq; |
|
|
1519 | if (aio_open $uniq, O_RDONLY, 0) { |
|
|
1520 | $self->clear_unique_items; |
|
|
1521 | $self->_load_objects ($uniq, 0); |
|
|
1522 | } |
|
|
1523 | } |
|
|
1524 | |
|
|
1525 | Coro::cede; |
|
|
1526 | # now do the right thing for maps |
|
|
1527 | $self->link_multipart_objects; |
1511 | $self->difficulty ($self->estimate_difficulty) |
1528 | $self->difficulty ($self->estimate_difficulty) |
1512 | unless $self->difficulty; |
1529 | unless $self->difficulty; |
1513 | Coro::cede; |
1530 | Coro::cede; |
|
|
1531 | |
|
|
1532 | unless ($self->{deny_activate}) { |
|
|
1533 | $self->decay_objects; |
|
|
1534 | $self->fix_auto_apply; |
|
|
1535 | $self->update_buttons; |
|
|
1536 | Coro::cede; |
|
|
1537 | $self->set_darkness_map; |
|
|
1538 | Coro::cede; |
1514 | $self->activate; |
1539 | $self->activate; |
1515 | Coro::cede; |
1540 | } |
|
|
1541 | |
|
|
1542 | $self->in_memory (cf::MAP_IN_MEMORY); |
1516 | } |
1543 | } |
1517 | |
1544 | |
1518 | $self->post_load; |
1545 | $self->post_load; |
1519 | Coro::cede; |
|
|
1520 | |
|
|
1521 | $self->in_memory (cf::MAP_IN_MEMORY); |
|
|
1522 | } |
1546 | } |
1523 | |
1547 | |
1524 | sub customise_for { |
1548 | sub customise_for { |
1525 | my ($self, $ob) = @_; |
1549 | my ($self, $ob) = @_; |
1526 | |
1550 | |
… | |
… | |
1717 | instantiated unique items. May block. |
1741 | instantiated unique items. May block. |
1718 | |
1742 | |
1719 | =cut |
1743 | =cut |
1720 | |
1744 | |
1721 | sub unique_maps() { |
1745 | sub unique_maps() { |
1722 | my $files = aio_readdir cf::localdir . "/" . cf::uniquedir |
1746 | my $files = aio_readdir $UNIQUEDIR |
1723 | or return; |
1747 | or return; |
1724 | |
1748 | |
1725 | my @paths; |
1749 | my @paths; |
1726 | |
1750 | |
1727 | for (@$files) { |
1751 | for (@$files) { |
… | |
… | |
1983 | |
2007 | |
1984 | $rmp->{random_seed} ||= $exit->random_seed; |
2008 | $rmp->{random_seed} ||= $exit->random_seed; |
1985 | |
2009 | |
1986 | my $data = cf::to_json $rmp; |
2010 | my $data = cf::to_json $rmp; |
1987 | my $md5 = Digest::MD5::md5_hex $data; |
2011 | my $md5 = Digest::MD5::md5_hex $data; |
1988 | my $meta = "$cf::RANDOM_MAPS/$md5.meta"; |
2012 | my $meta = "$RANDOMDIR/$md5.meta"; |
1989 | |
2013 | |
1990 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
2014 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
1991 | aio_write $fh, 0, (length $data), $data, 0; |
2015 | aio_write $fh, 0, (length $data), $data, 0; |
1992 | undef $fh; |
2016 | undef $fh; |
1993 | aio_rename "$meta~", $meta; |
2017 | aio_rename "$meta~", $meta; |
… | |
… | |
2262 | ############################################################################# |
2286 | ############################################################################# |
2263 | |
2287 | |
2264 | =head2 EXTENSION DATABASE SUPPORT |
2288 | =head2 EXTENSION DATABASE SUPPORT |
2265 | |
2289 | |
2266 | Crossfire maintains a very simple database for extension use. It can |
2290 | Crossfire maintains a very simple database for extension use. It can |
2267 | currently store anything that can be serialised using Storable, which |
2291 | currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to |
2268 | excludes objects. |
2292 | convert to/from binary). |
2269 | |
2293 | |
2270 | The parameter C<$family> should best start with the name of the extension |
2294 | The parameter C<$family> should best start with the name of the extension |
2271 | using it, it should be unique. |
2295 | using it, it should be unique. |
2272 | |
2296 | |
2273 | =over 4 |
2297 | =over 4 |
… | |
… | |
2296 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
2320 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
2297 | cf::cleanup "db_open(db): $!" if $!; |
2321 | cf::cleanup "db_open(db): $!" if $!; |
2298 | }; |
2322 | }; |
2299 | cf::cleanup "db_open(db): $@" if $@; |
2323 | cf::cleanup "db_open(db): $@" if $@; |
2300 | }; |
2324 | }; |
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 | } |
2325 | } |
2316 | } |
2326 | } |
2317 | |
2327 | |
2318 | sub db_get($$) { |
2328 | sub db_get($$) { |
2319 | my $key = "$_[0]/$_[1]"; |
2329 | my $key = "$_[0]/$_[1]"; |
2320 | |
2330 | |
2321 | cf::sync_job { |
2331 | cf::sync_job { |
2322 | BDB::db_get $DB, undef, $key, my $data; |
2332 | BDB::db_get $DB, undef, $key, my $data; |
2323 | |
2333 | |
2324 | $! ? () |
2334 | $! ? () |
2325 | : Compress::LZF::sthaw $data |
2335 | : $data |
2326 | } |
2336 | } |
2327 | } |
2337 | } |
2328 | |
2338 | |
2329 | sub db_put($$$) { |
2339 | sub db_put($$$) { |
2330 | BDB::dbreq_pri 4; |
2340 | BDB::dbreq_pri 4; |
2331 | BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; |
2341 | BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; |
2332 | } |
2342 | } |
|
|
2343 | |
|
|
2344 | =item cf::cache $id => [$paths...], $processversion => $process |
|
|
2345 | |
|
|
2346 | Generic caching function that returns the value of the resource $id, |
|
|
2347 | caching and regenerating as required. |
|
|
2348 | |
|
|
2349 | This function can block. |
|
|
2350 | |
|
|
2351 | =cut |
|
|
2352 | |
|
|
2353 | sub cache { |
|
|
2354 | my ($id, $src, $processversion, $process) = @_; |
|
|
2355 | |
|
|
2356 | my $meta = |
|
|
2357 | join "\x00", |
|
|
2358 | $processversion, |
|
|
2359 | map { |
|
|
2360 | aio_stat $_ |
|
|
2361 | and Carp::croak "$_: $!"; |
|
|
2362 | |
|
|
2363 | ($_, (stat _)[7,9]) |
|
|
2364 | } @$src; |
|
|
2365 | |
|
|
2366 | my $dbmeta = db_get cache => "$id/meta"; |
|
|
2367 | if ($dbmeta ne $meta) { |
|
|
2368 | # changed, we may need to process |
|
|
2369 | |
|
|
2370 | my @data; |
|
|
2371 | my $md5; |
|
|
2372 | |
|
|
2373 | for (0 .. $#$src) { |
|
|
2374 | 0 <= aio_load $src->[$_], $data[$_] |
|
|
2375 | or Carp::croak "$src->[$_]: $!"; |
|
|
2376 | } |
|
|
2377 | |
|
|
2378 | # if processing is expensive, check |
|
|
2379 | # checksum first |
|
|
2380 | if (1) { |
|
|
2381 | $md5 = |
|
|
2382 | join "\x00", |
|
|
2383 | $processversion, |
|
|
2384 | map { |
|
|
2385 | Coro::cede; |
|
|
2386 | ($src->[$_], Digest::MD5::md5_hex $data[$_]) |
|
|
2387 | } 0.. $#$src; |
|
|
2388 | |
|
|
2389 | |
|
|
2390 | my $dbmd5 = db_get cache => "$id/md5"; |
|
|
2391 | if ($dbmd5 eq $md5) { |
|
|
2392 | db_put cache => "$id/meta", $meta; |
|
|
2393 | |
|
|
2394 | return db_get cache => "$id/data"; |
|
|
2395 | } |
|
|
2396 | } |
|
|
2397 | |
|
|
2398 | my $t1 = Time::HiRes::time; |
|
|
2399 | my $data = $process->(\@data); |
|
|
2400 | my $t2 = Time::HiRes::time; |
|
|
2401 | |
|
|
2402 | warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; |
|
|
2403 | |
|
|
2404 | db_put cache => "$id/data", $data; |
|
|
2405 | db_put cache => "$id/md5" , $md5; |
|
|
2406 | db_put cache => "$id/meta", $meta; |
|
|
2407 | |
|
|
2408 | return $data; |
|
|
2409 | } |
|
|
2410 | |
|
|
2411 | db_get cache => "$id/data" |
|
|
2412 | } |
|
|
2413 | |
|
|
2414 | =item fork_call { }, $args |
|
|
2415 | |
|
|
2416 | Executes the given code block with the given arguments in a seperate |
|
|
2417 | process, returning the results. Everything must be serialisable with |
|
|
2418 | Coro::Storable. May, of course, block. Note that the executed sub may |
|
|
2419 | never block itself or use any form of Event handling. |
|
|
2420 | |
|
|
2421 | =cut |
|
|
2422 | |
|
|
2423 | sub fork_call(&@) { |
|
|
2424 | my ($cb, @args) = @_; |
|
|
2425 | |
|
|
2426 | # socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
|
|
2427 | # or die "socketpair: $!"; |
|
|
2428 | pipe my $fh1, my $fh2 |
|
|
2429 | or die "pipe: $!"; |
|
|
2430 | |
|
|
2431 | if (my $pid = fork) { |
|
|
2432 | close $fh2; |
|
|
2433 | |
|
|
2434 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
|
|
2435 | $res = Coro::Storable::thaw $res; |
|
|
2436 | |
|
|
2437 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
|
|
2438 | |
|
|
2439 | die $$res unless "ARRAY" eq ref $res; |
|
|
2440 | |
|
|
2441 | return wantarray ? @$res : $res->[-1]; |
|
|
2442 | } else { |
|
|
2443 | reset_signals; |
|
|
2444 | local $SIG{__WARN__}; |
|
|
2445 | local $SIG{__DIE__}; |
|
|
2446 | eval { |
|
|
2447 | close $fh1; |
|
|
2448 | |
|
|
2449 | my @res = eval { $cb->(@args) }; |
|
|
2450 | syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); |
|
|
2451 | }; |
|
|
2452 | |
|
|
2453 | warn $@ if $@; |
|
|
2454 | _exit 0; |
|
|
2455 | } |
|
|
2456 | } |
|
|
2457 | |
|
|
2458 | |
2333 | |
2459 | |
2334 | ############################################################################# |
2460 | ############################################################################# |
2335 | # the server's init and main functions |
2461 | # the server's init and main functions |
2336 | |
2462 | |
2337 | sub load_facedata { |
2463 | sub load_facedata($) { |
2338 | my $path = sprintf "%s/facedata", cf::datadir; |
2464 | my ($path) = @_; |
2339 | |
2465 | |
2340 | warn "loading facedata from $path\n"; |
2466 | warn "loading facedata from $path\n"; |
2341 | |
2467 | |
2342 | my $facedata; |
2468 | my $facedata; |
2343 | 0 < aio_load $path, $facedata |
2469 | 0 < aio_load $path, $facedata |
… | |
… | |
2384 | } |
2510 | } |
2385 | |
2511 | |
2386 | 1 |
2512 | 1 |
2387 | } |
2513 | } |
2388 | |
2514 | |
|
|
2515 | sub reload_regions { |
|
|
2516 | load_resource_file "$MAPDIR/regions" |
|
|
2517 | or die "unable to load regions file\n"; |
|
|
2518 | } |
|
|
2519 | |
|
|
2520 | sub reload_facedata { |
|
|
2521 | load_facedata "$DATADIR/facedata" |
|
|
2522 | or die "unable to load facedata\n"; |
|
|
2523 | } |
|
|
2524 | |
2389 | sub load_archetypes { |
2525 | sub reload_archetypes { |
2390 | load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable |
2526 | load_resource_file "$DATADIR/archetypes" |
2391 | load_archetype_file sprintf "%s/archetypes", cf::datadir |
2527 | or die "unable to load archetypes\n"; |
2392 | } |
2528 | } |
2393 | |
2529 | |
2394 | sub load_treasures { |
2530 | sub reload_treasures { |
2395 | load_treasure_file sprintf "%s/treasures", cf::datadir |
2531 | load_resource_file "$DATADIR/treasures" |
|
|
2532 | or die "unable to load treasurelists\n"; |
2396 | } |
2533 | } |
2397 | |
2534 | |
2398 | sub reload_resources { |
2535 | sub reload_resources { |
2399 | warn "reloading resource files...\n"; |
2536 | warn "reloading resource files...\n"; |
2400 | |
2537 | |
2401 | load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
2538 | reload_regions; |
2402 | or die "unable to load regions file\n"; |
|
|
2403 | load_facedata |
2539 | reload_facedata; |
2404 | or die "unable to load facedata\n"; |
|
|
2405 | load_archetypes |
2540 | reload_archetypes; |
2406 | or die "unable to load archetypes\n"; |
|
|
2407 | load_treasures |
2541 | reload_treasures; |
2408 | or die "unable to load treasurelists\n"; |
|
|
2409 | |
2542 | |
2410 | warn "finished reloading resource files\n"; |
2543 | warn "finished reloading resource files\n"; |
2411 | } |
2544 | } |
2412 | |
2545 | |
2413 | sub init { |
2546 | sub init { |
2414 | reload_resources; |
2547 | reload_resources; |
2415 | } |
2548 | } |
2416 | |
2549 | |
2417 | sub cfg_load { |
2550 | sub cfg_load { |
2418 | open my $fh, "<:utf8", cf::confdir . "/config" |
2551 | open my $fh, "<:utf8", "$CONFDIR/config" |
2419 | or return; |
2552 | or return; |
2420 | |
2553 | |
2421 | local $/; |
2554 | local $/; |
2422 | *CFG = YAML::Syck::Load <$fh>; |
2555 | *CFG = YAML::Syck::Load <$fh>; |
2423 | |
2556 | |
… | |
… | |
2508 | |
2641 | |
2509 | warn Carp::longmess "post_cleanup backtrace" |
2642 | warn Carp::longmess "post_cleanup backtrace" |
2510 | if $make_core; |
2643 | if $make_core; |
2511 | } |
2644 | } |
2512 | |
2645 | |
2513 | sub reload() { |
2646 | sub do_reload_perl() { |
2514 | # can/must only be called in main |
2647 | # can/must only be called in main |
2515 | if ($Coro::current != $Coro::main) { |
2648 | if ($Coro::current != $Coro::main) { |
2516 | warn "can only reload from main coroutine"; |
2649 | warn "can only reload from main coroutine"; |
2517 | return; |
2650 | return; |
2518 | } |
2651 | } |
… | |
… | |
2593 | Symbol::delete_package "safe::$_" |
2726 | Symbol::delete_package "safe::$_" |
2594 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2727 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2595 | |
2728 | |
2596 | warn "unloading cf.pm \"a bit\""; |
2729 | warn "unloading cf.pm \"a bit\""; |
2597 | delete $INC{"cf.pm"}; |
2730 | delete $INC{"cf.pm"}; |
|
|
2731 | delete $INC{"cf/pod.pm"}; |
2598 | |
2732 | |
2599 | # don't, removes xs symbols, too, |
2733 | # don't, removes xs symbols, too, |
2600 | # and global variables created in xs |
2734 | # and global variables created in xs |
2601 | #Symbol::delete_package __PACKAGE__; |
2735 | #Symbol::delete_package __PACKAGE__; |
2602 | |
2736 | |
… | |
… | |
2617 | warn "reattaching attachments to maps"; |
2751 | warn "reattaching attachments to maps"; |
2618 | reattach $_ for values %MAP; |
2752 | reattach $_ for values %MAP; |
2619 | warn "reattaching attachments to players"; |
2753 | warn "reattaching attachments to players"; |
2620 | reattach $_ for values %PLAYER; |
2754 | reattach $_ for values %PLAYER; |
2621 | |
2755 | |
2622 | warn "loading reloadable resources"; |
|
|
2623 | reload_resources; |
|
|
2624 | |
|
|
2625 | warn "leaving sync_job"; |
2756 | warn "leaving sync_job"; |
2626 | |
2757 | |
2627 | 1 |
2758 | 1 |
2628 | } or do { |
2759 | } or do { |
2629 | warn $@; |
2760 | warn $@; |
… | |
… | |
2634 | warn "reloaded"; |
2765 | warn "reloaded"; |
2635 | }; |
2766 | }; |
2636 | |
2767 | |
2637 | our $RELOAD_WATCHER; # used only during reload |
2768 | our $RELOAD_WATCHER; # used only during reload |
2638 | |
2769 | |
|
|
2770 | sub reload_perl() { |
|
|
2771 | # doing reload synchronously and two reloads happen back-to-back, |
|
|
2772 | # coro crashes during coro_state_free->destroy here. |
|
|
2773 | |
|
|
2774 | $RELOAD_WATCHER ||= Event->timer ( |
|
|
2775 | reentrant => 0, |
|
|
2776 | after => 0, |
|
|
2777 | data => WF_AUTOCANCEL, |
|
|
2778 | cb => sub { |
|
|
2779 | do_reload_perl; |
|
|
2780 | undef $RELOAD_WATCHER; |
|
|
2781 | }, |
|
|
2782 | ); |
|
|
2783 | } |
|
|
2784 | |
2639 | register_command "reload" => sub { |
2785 | register_command "reload" => sub { |
2640 | my ($who, $arg) = @_; |
2786 | my ($who, $arg) = @_; |
2641 | |
2787 | |
2642 | if ($who->flag (FLAG_WIZ)) { |
2788 | if ($who->flag (FLAG_WIZ)) { |
2643 | $who->message ("reloading server."); |
2789 | $who->message ("reloading server."); |
2644 | |
2790 | async { reload_perl }; |
2645 | # doing reload synchronously and two reloads happen back-to-back, |
|
|
2646 | # coro crashes during coro_state_free->destroy here. |
|
|
2647 | |
|
|
2648 | $RELOAD_WATCHER ||= Event->timer ( |
|
|
2649 | reentrant => 0, |
|
|
2650 | after => 0, |
|
|
2651 | data => WF_AUTOCANCEL, |
|
|
2652 | cb => sub { |
|
|
2653 | reload; |
|
|
2654 | undef $RELOAD_WATCHER; |
|
|
2655 | }, |
|
|
2656 | ); |
|
|
2657 | } |
2791 | } |
2658 | }; |
2792 | }; |
2659 | |
2793 | |
2660 | unshift @INC, $LIBDIR; |
2794 | unshift @INC, $LIBDIR; |
2661 | |
2795 | |
… | |
… | |
2762 | |
2896 | |
2763 | cf::sync_job { |
2897 | cf::sync_job { |
2764 | eval { |
2898 | eval { |
2765 | BDB::db_env_open |
2899 | BDB::db_env_open |
2766 | $DB_ENV, |
2900 | $DB_ENV, |
2767 | $BDB_ENV_DIR, |
2901 | $BDBDIR, |
2768 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
2902 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
2769 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
2903 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
2770 | 0666; |
2904 | 0666; |
2771 | |
2905 | |
2772 | cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; |
2906 | cf::cleanup "db_env_open($BDBDIR): $!" if $!; |
2773 | |
2907 | |
2774 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
2908 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
2775 | $DB_ENV->set_lk_detect; |
2909 | $DB_ENV->set_lk_detect; |
2776 | }; |
2910 | }; |
2777 | |
2911 | |
… | |
… | |
2793 | prio => 6, |
2927 | prio => 6, |
2794 | cb => \&IO::AIO::poll_cb, |
2928 | cb => \&IO::AIO::poll_cb, |
2795 | ); |
2929 | ); |
2796 | } |
2930 | } |
2797 | |
2931 | |
|
|
2932 | my $_log_backtrace; |
|
|
2933 | |
|
|
2934 | sub _log_backtrace { |
|
|
2935 | my ($msg, @addr) = @_; |
|
|
2936 | |
|
|
2937 | $msg =~ s/\n//; |
|
|
2938 | |
|
|
2939 | # limit the # of concurrent backtraces |
|
|
2940 | if ($_log_backtrace < 2) { |
|
|
2941 | ++$_log_backtrace; |
|
|
2942 | async { |
|
|
2943 | my @bt = fork_call { |
|
|
2944 | @addr = map { sprintf "%x", $_ } @addr; |
|
|
2945 | my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; |
|
|
2946 | open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" |
|
|
2947 | or die "addr2line: $!"; |
|
|
2948 | |
|
|
2949 | my @funcs; |
|
|
2950 | my @res = <$fh>; |
|
|
2951 | chomp for @res; |
|
|
2952 | while (@res) { |
|
|
2953 | my ($func, $line) = splice @res, 0, 2, (); |
|
|
2954 | push @funcs, "[$func] $line"; |
|
|
2955 | } |
|
|
2956 | |
|
|
2957 | @funcs |
|
|
2958 | }; |
|
|
2959 | |
|
|
2960 | LOG llevInfo, "[ABT] $msg\n"; |
|
|
2961 | LOG llevInfo, "[ABT] $_\n" for @bt; |
|
|
2962 | --$_log_backtrace; |
|
|
2963 | }; |
|
|
2964 | } else { |
|
|
2965 | LOG llevInfo, "[ABT] $msg\n"; |
|
|
2966 | LOG llevInfo, "[ABT] [suppressed]\n"; |
|
|
2967 | } |
|
|
2968 | } |
|
|
2969 | |
|
|
2970 | # load additional modules |
|
|
2971 | use cf::pod; |
|
|
2972 | |
2798 | END { cf::emergency_save } |
2973 | END { cf::emergency_save } |
2799 | |
2974 | |
2800 | 1 |
2975 | 1 |
2801 | |
2976 | |