… | |
… | |
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"; |
|
|
58 | |
59 | |
59 | our $TICK = MAX_TIME * 1e-6; |
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"; |
|
|
71 | |
|
|
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 |
63 | our $NEXT_TICK; |
76 | our $NEXT_TICK; |
64 | our $NOW; |
77 | our $NOW; |
… | |
… | |
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 | |
… | |
… | |
344 | |
367 | |
345 | $coro |
368 | $coro |
346 | } |
369 | } |
347 | |
370 | |
348 | sub write_runtime { |
371 | sub write_runtime { |
|
|
372 | my $runtime = "$LOCALDIR/runtime"; |
|
|
373 | |
|
|
374 | # first touch the runtime file to show we are still running: |
|
|
375 | # the fsync below can take a very very long time. |
|
|
376 | |
|
|
377 | warn "touching runtime...\n";#d# |
|
|
378 | if (my $fh = aio_open $runtime, O_WRONLY, 0) { |
|
|
379 | utime undef, undef, $fh; |
|
|
380 | } |
|
|
381 | |
349 | my $guard = cf::lock_acquire "write_runtime"; |
382 | my $guard = cf::lock_acquire "write_runtime"; |
350 | |
383 | |
351 | my $runtime = cf::localdir . "/runtime"; |
384 | warn "starting to write runtime...\n";#d# |
352 | |
|
|
353 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
385 | my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 |
354 | or return; |
386 | or return; |
355 | |
387 | |
356 | my $value = $cf::RUNTIME + 90 + 10; |
388 | my $value = $cf::RUNTIME + 90 + 10; |
357 | # 10 is the runtime save interval, for a monotonic clock |
389 | # 10 is the runtime save interval, for a monotonic clock |
… | |
… | |
362 | |
394 | |
363 | # always fsync - this file is important |
395 | # always fsync - this file is important |
364 | aio_fsync $fh |
396 | aio_fsync $fh |
365 | and return; |
397 | and return; |
366 | |
398 | |
|
|
399 | # touch it again to show we are up-to-date |
|
|
400 | utime undef, undef, $fh; |
|
|
401 | |
367 | close $fh |
402 | close $fh |
368 | or return; |
403 | or return; |
369 | |
404 | |
370 | aio_rename "$runtime~", $runtime |
405 | aio_rename "$runtime~", $runtime |
371 | and return; |
406 | and return; |
|
|
407 | |
|
|
408 | warn "... done writing runtime.\n";#d# |
372 | |
409 | |
373 | 1 |
410 | 1 |
374 | } |
411 | } |
375 | |
412 | |
376 | =item cf::datalog type => key => value, ... |
413 | =item cf::datalog type => key => value, ... |
… | |
… | |
951 | Returns the given player object, loading it if necessary (might block). |
988 | Returns the given player object, loading it if necessary (might block). |
952 | |
989 | |
953 | =cut |
990 | =cut |
954 | |
991 | |
955 | sub playerdir($) { |
992 | sub playerdir($) { |
956 | cf::localdir |
993 | "$PLAYERDIR/" |
957 | . "/" |
|
|
958 | . cf::playerdir |
|
|
959 | . "/" |
|
|
960 | . (ref $_[0] ? $_[0]->ob->name : $_[0]) |
994 | . (ref $_[0] ? $_[0]->ob->name : $_[0]) |
961 | } |
995 | } |
962 | |
996 | |
963 | sub path($) { |
997 | sub path($) { |
964 | my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
998 | my $login = ref $_[0] ? $_[0]->ob->name : $_[0]; |
… | |
… | |
1084 | while and may block, so not sync_job-capable, ever. |
1118 | while and may block, so not sync_job-capable, ever. |
1085 | |
1119 | |
1086 | =cut |
1120 | =cut |
1087 | |
1121 | |
1088 | sub list_logins { |
1122 | sub list_logins { |
1089 | my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir |
1123 | my $dirs = aio_readdir $PLAYERDIR |
1090 | or return []; |
1124 | or return []; |
1091 | |
1125 | |
1092 | my @logins; |
1126 | my @logins; |
1093 | |
1127 | |
1094 | for my $login (@$dirs) { |
1128 | for my $login (@$dirs) { |
… | |
… | |
1332 | |
1366 | |
1333 | # the original (read-only) location |
1367 | # the original (read-only) location |
1334 | sub load_path { |
1368 | sub load_path { |
1335 | my ($self) = @_; |
1369 | my ($self) = @_; |
1336 | |
1370 | |
1337 | sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path} |
1371 | "$MAPDIR/$self->{path}.map" |
1338 | } |
1372 | } |
1339 | |
1373 | |
1340 | # the temporary/swap location |
1374 | # the temporary/swap location |
1341 | sub save_path { |
1375 | sub save_path { |
1342 | my ($self) = @_; |
1376 | my ($self) = @_; |
1343 | |
1377 | |
1344 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1378 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1345 | sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path |
1379 | "$TMPDIR/$path.map" |
1346 | } |
1380 | } |
1347 | |
1381 | |
1348 | # the unique path, undef == no special unique path |
1382 | # the unique path, undef == no special unique path |
1349 | sub uniq_path { |
1383 | sub uniq_path { |
1350 | my ($self) = @_; |
1384 | my ($self) = @_; |
1351 | |
1385 | |
1352 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1386 | (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g; |
1353 | sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path |
1387 | "$UNIQUEDIR/$path" |
1354 | } |
1388 | } |
1355 | |
1389 | |
1356 | # and all this just because we cannot iterate over |
1390 | # and all this just because we cannot iterate over |
1357 | # all maps in C++... |
1391 | # all maps in C++... |
1358 | sub change_all_map_light { |
1392 | sub change_all_map_light { |
… | |
… | |
1470 | my ($self) = @_; |
1504 | my ($self) = @_; |
1471 | |
1505 | |
1472 | local $self->{deny_reset} = 1; # loading can take a long time |
1506 | local $self->{deny_reset} = 1; # loading can take a long time |
1473 | |
1507 | |
1474 | my $path = $self->{path}; |
1508 | my $path = $self->{path}; |
|
|
1509 | |
|
|
1510 | { |
1475 | my $guard = cf::lock_acquire "map_load:$path"; |
1511 | my $guard = cf::lock_acquire "map_load:$path"; |
1476 | |
1512 | |
1477 | return if $self->in_memory != cf::MAP_SWAPPED; |
1513 | return if $self->in_memory != cf::MAP_SWAPPED; |
1478 | |
1514 | |
1479 | $self->in_memory (cf::MAP_LOADING); |
1515 | $self->in_memory (cf::MAP_LOADING); |
1480 | |
1516 | |
1481 | $self->alloc; |
1517 | $self->alloc; |
1482 | |
1518 | |
1483 | $self->pre_load; |
1519 | $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; |
1520 | Coro::cede; |
1510 | $self->set_darkness_map; |
1521 | |
|
|
1522 | $self->_load_objects ($self->{load_path}, 1) |
|
|
1523 | or return; |
|
|
1524 | |
|
|
1525 | $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) |
|
|
1526 | if delete $self->{load_original}; |
|
|
1527 | |
|
|
1528 | if (my $uniq = $self->uniq_path) { |
|
|
1529 | utf8::encode $uniq; |
|
|
1530 | if (aio_open $uniq, O_RDONLY, 0) { |
|
|
1531 | $self->clear_unique_items; |
|
|
1532 | $self->_load_objects ($uniq, 0); |
|
|
1533 | } |
|
|
1534 | } |
|
|
1535 | |
|
|
1536 | Coro::cede; |
|
|
1537 | # now do the right thing for maps |
|
|
1538 | $self->link_multipart_objects; |
1511 | $self->difficulty ($self->estimate_difficulty) |
1539 | $self->difficulty ($self->estimate_difficulty) |
1512 | unless $self->difficulty; |
1540 | unless $self->difficulty; |
1513 | Coro::cede; |
1541 | Coro::cede; |
|
|
1542 | |
|
|
1543 | unless ($self->{deny_activate}) { |
|
|
1544 | $self->decay_objects; |
|
|
1545 | $self->fix_auto_apply; |
|
|
1546 | $self->update_buttons; |
|
|
1547 | Coro::cede; |
|
|
1548 | $self->set_darkness_map; |
|
|
1549 | Coro::cede; |
1514 | $self->activate; |
1550 | $self->activate; |
1515 | Coro::cede; |
1551 | } |
|
|
1552 | |
|
|
1553 | $self->in_memory (cf::MAP_IN_MEMORY); |
1516 | } |
1554 | } |
1517 | |
1555 | |
1518 | $self->post_load; |
1556 | $self->post_load; |
1519 | Coro::cede; |
|
|
1520 | |
|
|
1521 | $self->in_memory (cf::MAP_IN_MEMORY); |
|
|
1522 | } |
1557 | } |
1523 | |
1558 | |
1524 | sub customise_for { |
1559 | sub customise_for { |
1525 | my ($self, $ob) = @_; |
1560 | my ($self, $ob) = @_; |
1526 | |
1561 | |
… | |
… | |
1717 | instantiated unique items. May block. |
1752 | instantiated unique items. May block. |
1718 | |
1753 | |
1719 | =cut |
1754 | =cut |
1720 | |
1755 | |
1721 | sub unique_maps() { |
1756 | sub unique_maps() { |
1722 | my $files = aio_readdir cf::localdir . "/" . cf::uniquedir |
1757 | my $files = aio_readdir $UNIQUEDIR |
1723 | or return; |
1758 | or return; |
1724 | |
1759 | |
1725 | my @paths; |
1760 | my @paths; |
1726 | |
1761 | |
1727 | for (@$files) { |
1762 | for (@$files) { |
… | |
… | |
1983 | |
2018 | |
1984 | $rmp->{random_seed} ||= $exit->random_seed; |
2019 | $rmp->{random_seed} ||= $exit->random_seed; |
1985 | |
2020 | |
1986 | my $data = cf::to_json $rmp; |
2021 | my $data = cf::to_json $rmp; |
1987 | my $md5 = Digest::MD5::md5_hex $data; |
2022 | my $md5 = Digest::MD5::md5_hex $data; |
1988 | my $meta = "$cf::RANDOM_MAPS/$md5.meta"; |
2023 | my $meta = "$RANDOMDIR/$md5.meta"; |
1989 | |
2024 | |
1990 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
2025 | if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) { |
1991 | aio_write $fh, 0, (length $data), $data, 0; |
2026 | aio_write $fh, 0, (length $data), $data, 0; |
1992 | undef $fh; |
2027 | undef $fh; |
1993 | aio_rename "$meta~", $meta; |
2028 | aio_rename "$meta~", $meta; |
… | |
… | |
2262 | ############################################################################# |
2297 | ############################################################################# |
2263 | |
2298 | |
2264 | =head2 EXTENSION DATABASE SUPPORT |
2299 | =head2 EXTENSION DATABASE SUPPORT |
2265 | |
2300 | |
2266 | Crossfire maintains a very simple database for extension use. It can |
2301 | Crossfire maintains a very simple database for extension use. It can |
2267 | currently store anything that can be serialised using Storable, which |
2302 | currently store binary data only (use Compress::LZF::sfreeze_cr/sthaw to |
2268 | excludes objects. |
2303 | convert to/from binary). |
2269 | |
2304 | |
2270 | The parameter C<$family> should best start with the name of the extension |
2305 | The parameter C<$family> should best start with the name of the extension |
2271 | using it, it should be unique. |
2306 | using it, it should be unique. |
2272 | |
2307 | |
2273 | =over 4 |
2308 | =over 4 |
… | |
… | |
2296 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
2331 | BDB::CREATE | BDB::AUTO_COMMIT, 0666; |
2297 | cf::cleanup "db_open(db): $!" if $!; |
2332 | cf::cleanup "db_open(db): $!" if $!; |
2298 | }; |
2333 | }; |
2299 | cf::cleanup "db_open(db): $@" if $@; |
2334 | cf::cleanup "db_open(db): $@" if $@; |
2300 | }; |
2335 | }; |
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 | } |
2336 | } |
2316 | } |
2337 | } |
2317 | |
2338 | |
2318 | sub db_get($$) { |
2339 | sub db_get($$) { |
2319 | my $key = "$_[0]/$_[1]"; |
2340 | my $key = "$_[0]/$_[1]"; |
2320 | |
2341 | |
2321 | cf::sync_job { |
2342 | cf::sync_job { |
2322 | BDB::db_get $DB, undef, $key, my $data; |
2343 | BDB::db_get $DB, undef, $key, my $data; |
2323 | |
2344 | |
2324 | $! ? () |
2345 | $! ? () |
2325 | : Compress::LZF::sthaw $data |
2346 | : $data |
2326 | } |
2347 | } |
2327 | } |
2348 | } |
2328 | |
2349 | |
2329 | sub db_put($$$) { |
2350 | sub db_put($$$) { |
2330 | BDB::dbreq_pri 4; |
2351 | BDB::dbreq_pri 4; |
2331 | BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { }; |
2352 | BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { }; |
2332 | } |
2353 | } |
|
|
2354 | |
|
|
2355 | =item cf::cache $id => [$paths...], $processversion => $process |
|
|
2356 | |
|
|
2357 | Generic caching function that returns the value of the resource $id, |
|
|
2358 | caching and regenerating as required. |
|
|
2359 | |
|
|
2360 | This function can block. |
|
|
2361 | |
|
|
2362 | =cut |
|
|
2363 | |
|
|
2364 | sub cache { |
|
|
2365 | my ($id, $src, $processversion, $process) = @_; |
|
|
2366 | |
|
|
2367 | my $meta = |
|
|
2368 | join "\x00", |
|
|
2369 | $processversion, |
|
|
2370 | map { |
|
|
2371 | aio_stat $_ |
|
|
2372 | and Carp::croak "$_: $!"; |
|
|
2373 | |
|
|
2374 | ($_, (stat _)[7,9]) |
|
|
2375 | } @$src; |
|
|
2376 | |
|
|
2377 | my $dbmeta = db_get cache => "$id/meta"; |
|
|
2378 | if ($dbmeta ne $meta) { |
|
|
2379 | # changed, we may need to process |
|
|
2380 | |
|
|
2381 | my @data; |
|
|
2382 | my $md5; |
|
|
2383 | |
|
|
2384 | for (0 .. $#$src) { |
|
|
2385 | 0 <= aio_load $src->[$_], $data[$_] |
|
|
2386 | or Carp::croak "$src->[$_]: $!"; |
|
|
2387 | } |
|
|
2388 | |
|
|
2389 | # if processing is expensive, check |
|
|
2390 | # checksum first |
|
|
2391 | if (1) { |
|
|
2392 | $md5 = |
|
|
2393 | join "\x00", |
|
|
2394 | $processversion, |
|
|
2395 | map { |
|
|
2396 | Coro::cede; |
|
|
2397 | ($src->[$_], Digest::MD5::md5_hex $data[$_]) |
|
|
2398 | } 0.. $#$src; |
|
|
2399 | |
|
|
2400 | |
|
|
2401 | my $dbmd5 = db_get cache => "$id/md5"; |
|
|
2402 | if ($dbmd5 eq $md5) { |
|
|
2403 | db_put cache => "$id/meta", $meta; |
|
|
2404 | |
|
|
2405 | return db_get cache => "$id/data"; |
|
|
2406 | } |
|
|
2407 | } |
|
|
2408 | |
|
|
2409 | my $t1 = Time::HiRes::time; |
|
|
2410 | my $data = $process->(\@data); |
|
|
2411 | my $t2 = Time::HiRes::time; |
|
|
2412 | |
|
|
2413 | warn "cache: '$id' processed in ", $t2 - $t1, "s\n"; |
|
|
2414 | |
|
|
2415 | db_put cache => "$id/data", $data; |
|
|
2416 | db_put cache => "$id/md5" , $md5; |
|
|
2417 | db_put cache => "$id/meta", $meta; |
|
|
2418 | |
|
|
2419 | return $data; |
|
|
2420 | } |
|
|
2421 | |
|
|
2422 | db_get cache => "$id/data" |
|
|
2423 | } |
|
|
2424 | |
|
|
2425 | =item fork_call { }, $args |
|
|
2426 | |
|
|
2427 | Executes the given code block with the given arguments in a seperate |
|
|
2428 | process, returning the results. Everything must be serialisable with |
|
|
2429 | Coro::Storable. May, of course, block. Note that the executed sub may |
|
|
2430 | never block itself or use any form of Event handling. |
|
|
2431 | |
|
|
2432 | =cut |
|
|
2433 | |
|
|
2434 | sub fork_call(&@) { |
|
|
2435 | my ($cb, @args) = @_; |
|
|
2436 | |
|
|
2437 | # socketpair my $fh1, my $fh2, Socket::AF_UNIX, Socket::SOCK_STREAM, Socket::PF_UNSPEC |
|
|
2438 | # or die "socketpair: $!"; |
|
|
2439 | pipe my $fh1, my $fh2 |
|
|
2440 | or die "pipe: $!"; |
|
|
2441 | |
|
|
2442 | if (my $pid = fork) { |
|
|
2443 | close $fh2; |
|
|
2444 | |
|
|
2445 | my $res = (Coro::Handle::unblock $fh1)->readline (undef); |
|
|
2446 | $res = Coro::Storable::thaw $res; |
|
|
2447 | |
|
|
2448 | waitpid $pid, 0; # should not block anymore, we expect the child to simply behave |
|
|
2449 | |
|
|
2450 | die $$res unless "ARRAY" eq ref $res; |
|
|
2451 | |
|
|
2452 | return wantarray ? @$res : $res->[-1]; |
|
|
2453 | } else { |
|
|
2454 | reset_signals; |
|
|
2455 | local $SIG{__WARN__}; |
|
|
2456 | local $SIG{__DIE__}; |
|
|
2457 | eval { |
|
|
2458 | close $fh1; |
|
|
2459 | |
|
|
2460 | my @res = eval { $cb->(@args) }; |
|
|
2461 | syswrite $fh2, Coro::Storable::freeze +($@ ? \"$@" : \@res); |
|
|
2462 | }; |
|
|
2463 | |
|
|
2464 | warn $@ if $@; |
|
|
2465 | _exit 0; |
|
|
2466 | } |
|
|
2467 | } |
|
|
2468 | |
|
|
2469 | |
2333 | |
2470 | |
2334 | ############################################################################# |
2471 | ############################################################################# |
2335 | # the server's init and main functions |
2472 | # the server's init and main functions |
2336 | |
2473 | |
2337 | sub load_facedata { |
2474 | sub load_facedata($) { |
2338 | my $path = sprintf "%s/facedata", cf::datadir; |
2475 | my ($path) = @_; |
2339 | |
2476 | |
2340 | warn "loading facedata from $path\n"; |
2477 | warn "loading facedata from $path\n"; |
2341 | |
2478 | |
2342 | my $facedata; |
2479 | my $facedata; |
2343 | 0 < aio_load $path, $facedata |
2480 | 0 < aio_load $path, $facedata |
… | |
… | |
2384 | } |
2521 | } |
2385 | |
2522 | |
2386 | 1 |
2523 | 1 |
2387 | } |
2524 | } |
2388 | |
2525 | |
|
|
2526 | sub reload_regions { |
|
|
2527 | load_resource_file "$MAPDIR/regions" |
|
|
2528 | or die "unable to load regions file\n"; |
|
|
2529 | } |
|
|
2530 | |
|
|
2531 | sub reload_facedata { |
|
|
2532 | load_facedata "$DATADIR/facedata" |
|
|
2533 | or die "unable to load facedata\n"; |
|
|
2534 | } |
|
|
2535 | |
2389 | sub load_archetypes { |
2536 | sub reload_archetypes { |
2390 | load_archetype_file sprintf "%s/archetypes", cf::datadir; # remove when stable |
2537 | load_resource_file "$DATADIR/archetypes" |
2391 | load_archetype_file sprintf "%s/archetypes", cf::datadir |
2538 | or die "unable to load archetypes\n"; |
2392 | } |
2539 | } |
2393 | |
2540 | |
2394 | sub load_treasures { |
2541 | sub reload_treasures { |
2395 | load_treasure_file sprintf "%s/treasures", cf::datadir |
2542 | load_resource_file "$DATADIR/treasures" |
|
|
2543 | or die "unable to load treasurelists\n"; |
2396 | } |
2544 | } |
2397 | |
2545 | |
2398 | sub reload_resources { |
2546 | sub reload_resources { |
2399 | load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir |
2547 | warn "reloading resource files...\n"; |
2400 | or die "unable to load regions file\n"; |
2548 | |
|
|
2549 | reload_regions; |
2401 | load_facedata |
2550 | reload_facedata; |
2402 | or die "unable to load facedata\n"; |
|
|
2403 | load_archetypes |
2551 | reload_archetypes; |
2404 | or die "unable to load archetypes\n"; |
|
|
2405 | load_treasures |
2552 | reload_treasures; |
2406 | or die "unable to load treasurelists\n"; |
2553 | |
|
|
2554 | warn "finished reloading resource files\n"; |
2407 | } |
2555 | } |
2408 | |
2556 | |
2409 | sub init { |
2557 | sub init { |
2410 | reload_resources; |
2558 | reload_resources; |
2411 | } |
2559 | } |
2412 | |
2560 | |
2413 | sub cfg_load { |
2561 | sub cfg_load { |
2414 | open my $fh, "<:utf8", cf::confdir . "/config" |
2562 | open my $fh, "<:utf8", "$CONFDIR/config" |
2415 | or return; |
2563 | or return; |
2416 | |
2564 | |
2417 | local $/; |
2565 | local $/; |
2418 | *CFG = YAML::Syck::Load <$fh>; |
2566 | *CFG = YAML::Syck::Load <$fh>; |
2419 | |
2567 | |
… | |
… | |
2504 | |
2652 | |
2505 | warn Carp::longmess "post_cleanup backtrace" |
2653 | warn Carp::longmess "post_cleanup backtrace" |
2506 | if $make_core; |
2654 | if $make_core; |
2507 | } |
2655 | } |
2508 | |
2656 | |
2509 | sub reload() { |
2657 | sub do_reload_perl() { |
2510 | # can/must only be called in main |
2658 | # can/must only be called in main |
2511 | if ($Coro::current != $Coro::main) { |
2659 | if ($Coro::current != $Coro::main) { |
2512 | warn "can only reload from main coroutine"; |
2660 | warn "can only reload from main coroutine"; |
2513 | return; |
2661 | return; |
2514 | } |
2662 | } |
… | |
… | |
2589 | Symbol::delete_package "safe::$_" |
2737 | Symbol::delete_package "safe::$_" |
2590 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2738 | for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); |
2591 | |
2739 | |
2592 | warn "unloading cf.pm \"a bit\""; |
2740 | warn "unloading cf.pm \"a bit\""; |
2593 | delete $INC{"cf.pm"}; |
2741 | delete $INC{"cf.pm"}; |
|
|
2742 | delete $INC{"cf/pod.pm"}; |
2594 | |
2743 | |
2595 | # don't, removes xs symbols, too, |
2744 | # don't, removes xs symbols, too, |
2596 | # and global variables created in xs |
2745 | # and global variables created in xs |
2597 | #Symbol::delete_package __PACKAGE__; |
2746 | #Symbol::delete_package __PACKAGE__; |
2598 | |
2747 | |
… | |
… | |
2613 | warn "reattaching attachments to maps"; |
2762 | warn "reattaching attachments to maps"; |
2614 | reattach $_ for values %MAP; |
2763 | reattach $_ for values %MAP; |
2615 | warn "reattaching attachments to players"; |
2764 | warn "reattaching attachments to players"; |
2616 | reattach $_ for values %PLAYER; |
2765 | reattach $_ for values %PLAYER; |
2617 | |
2766 | |
2618 | warn "loading reloadable resources"; |
|
|
2619 | reload_resources; |
|
|
2620 | |
|
|
2621 | warn "leaving sync_job"; |
2767 | warn "leaving sync_job"; |
2622 | |
2768 | |
2623 | 1 |
2769 | 1 |
2624 | } or do { |
2770 | } or do { |
2625 | warn $@; |
2771 | warn $@; |
… | |
… | |
2630 | warn "reloaded"; |
2776 | warn "reloaded"; |
2631 | }; |
2777 | }; |
2632 | |
2778 | |
2633 | our $RELOAD_WATCHER; # used only during reload |
2779 | our $RELOAD_WATCHER; # used only during reload |
2634 | |
2780 | |
|
|
2781 | sub reload_perl() { |
|
|
2782 | # doing reload synchronously and two reloads happen back-to-back, |
|
|
2783 | # coro crashes during coro_state_free->destroy here. |
|
|
2784 | |
|
|
2785 | $RELOAD_WATCHER ||= Event->timer ( |
|
|
2786 | reentrant => 0, |
|
|
2787 | after => 0, |
|
|
2788 | data => WF_AUTOCANCEL, |
|
|
2789 | cb => sub { |
|
|
2790 | do_reload_perl; |
|
|
2791 | undef $RELOAD_WATCHER; |
|
|
2792 | }, |
|
|
2793 | ); |
|
|
2794 | } |
|
|
2795 | |
2635 | register_command "reload" => sub { |
2796 | register_command "reload" => sub { |
2636 | my ($who, $arg) = @_; |
2797 | my ($who, $arg) = @_; |
2637 | |
2798 | |
2638 | if ($who->flag (FLAG_WIZ)) { |
2799 | if ($who->flag (FLAG_WIZ)) { |
2639 | $who->message ("reloading server."); |
2800 | $who->message ("reloading server."); |
2640 | |
2801 | async { reload_perl }; |
2641 | # doing reload synchronously and two reloads happen back-to-back, |
|
|
2642 | # coro crashes during coro_state_free->destroy here. |
|
|
2643 | |
|
|
2644 | $RELOAD_WATCHER ||= Event->timer ( |
|
|
2645 | reentrant => 0, |
|
|
2646 | after => 0, |
|
|
2647 | data => WF_AUTOCANCEL, |
|
|
2648 | cb => sub { |
|
|
2649 | reload; |
|
|
2650 | undef $RELOAD_WATCHER; |
|
|
2651 | }, |
|
|
2652 | ); |
|
|
2653 | } |
2802 | } |
2654 | }; |
2803 | }; |
2655 | |
2804 | |
2656 | unshift @INC, $LIBDIR; |
2805 | unshift @INC, $LIBDIR; |
2657 | |
2806 | |
… | |
… | |
2692 | } |
2841 | } |
2693 | |
2842 | |
2694 | $NOW = Event::time; |
2843 | $NOW = Event::time; |
2695 | |
2844 | |
2696 | cf::server_tick; # one server iteration |
2845 | cf::server_tick; # one server iteration |
|
|
2846 | |
2697 | $RUNTIME += $TICK; |
2847 | $RUNTIME += $TICK; |
2698 | $NEXT_TICK += $TICK; |
2848 | $NEXT_TICK += $TICK; |
2699 | |
2849 | |
2700 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
2850 | if ($NOW >= $NEXT_RUNTIME_WRITE) { |
2701 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
2851 | $NEXT_RUNTIME_WRITE = $NOW + 10; |
… | |
… | |
2703 | write_runtime |
2853 | write_runtime |
2704 | or warn "ERROR: unable to write runtime file: $!"; |
2854 | or warn "ERROR: unable to write runtime file: $!"; |
2705 | }; |
2855 | }; |
2706 | } |
2856 | } |
2707 | |
2857 | |
|
|
2858 | # my $AFTER = Event::time; |
|
|
2859 | # warn $AFTER - $NOW;#d# |
|
|
2860 | |
|
|
2861 | # if we are delayed by four ticks or more, skip them all |
|
|
2862 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
|
|
2863 | |
|
|
2864 | $TICK_WATCHER->at ($NEXT_TICK); |
|
|
2865 | $TICK_WATCHER->start; |
|
|
2866 | |
2708 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
2867 | if (my $sig = shift @WAIT_FOR_TICK_BEGIN) { |
2709 | $sig->send; |
2868 | $sig->send; |
2710 | } |
2869 | } |
2711 | while (my $sig = shift @WAIT_FOR_TICK) { |
2870 | while (my $sig = shift @WAIT_FOR_TICK) { |
2712 | $sig->send; |
2871 | $sig->send; |
2713 | } |
2872 | } |
2714 | |
2873 | |
2715 | # my $AFTER = Event::time; |
2874 | _post_tick; |
2716 | # warn $AFTER - $NOW;#d# |
|
|
2717 | |
|
|
2718 | # if we are delayed by four ticks or more, skip them all |
|
|
2719 | $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; |
|
|
2720 | |
|
|
2721 | $TICK_WATCHER->at ($NEXT_TICK); |
|
|
2722 | $TICK_WATCHER->start; |
|
|
2723 | }, |
2875 | }, |
2724 | ); |
2876 | ); |
2725 | |
2877 | |
2726 | { |
2878 | { |
2727 | BDB::max_poll_time $TICK * 0.1; |
2879 | BDB::max_poll_time $TICK * 0.1; |
… | |
… | |
2755 | |
2907 | |
2756 | cf::sync_job { |
2908 | cf::sync_job { |
2757 | eval { |
2909 | eval { |
2758 | BDB::db_env_open |
2910 | BDB::db_env_open |
2759 | $DB_ENV, |
2911 | $DB_ENV, |
2760 | $BDB_ENV_DIR, |
2912 | $BDBDIR, |
2761 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
2913 | BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN |
2762 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
2914 | | BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE, |
2763 | 0666; |
2915 | 0666; |
2764 | |
2916 | |
2765 | cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!; |
2917 | cf::cleanup "db_env_open($BDBDIR): $!" if $!; |
2766 | |
2918 | |
2767 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
2919 | $DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1); |
2768 | $DB_ENV->set_lk_detect; |
2920 | $DB_ENV->set_lk_detect; |
2769 | }; |
2921 | }; |
2770 | |
2922 | |
… | |
… | |
2786 | prio => 6, |
2938 | prio => 6, |
2787 | cb => \&IO::AIO::poll_cb, |
2939 | cb => \&IO::AIO::poll_cb, |
2788 | ); |
2940 | ); |
2789 | } |
2941 | } |
2790 | |
2942 | |
|
|
2943 | my $_log_backtrace; |
|
|
2944 | |
|
|
2945 | sub _log_backtrace { |
|
|
2946 | my ($msg, @addr) = @_; |
|
|
2947 | |
|
|
2948 | $msg =~ s/\n//; |
|
|
2949 | |
|
|
2950 | # limit the # of concurrent backtraces |
|
|
2951 | if ($_log_backtrace < 2) { |
|
|
2952 | ++$_log_backtrace; |
|
|
2953 | async { |
|
|
2954 | my @bt = fork_call { |
|
|
2955 | @addr = map { sprintf "%x", $_ } @addr; |
|
|
2956 | my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X; |
|
|
2957 | open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |" |
|
|
2958 | or die "addr2line: $!"; |
|
|
2959 | |
|
|
2960 | my @funcs; |
|
|
2961 | my @res = <$fh>; |
|
|
2962 | chomp for @res; |
|
|
2963 | while (@res) { |
|
|
2964 | my ($func, $line) = splice @res, 0, 2, (); |
|
|
2965 | push @funcs, "[$func] $line"; |
|
|
2966 | } |
|
|
2967 | |
|
|
2968 | @funcs |
|
|
2969 | }; |
|
|
2970 | |
|
|
2971 | LOG llevInfo, "[ABT] $msg\n"; |
|
|
2972 | LOG llevInfo, "[ABT] $_\n" for @bt; |
|
|
2973 | --$_log_backtrace; |
|
|
2974 | }; |
|
|
2975 | } else { |
|
|
2976 | LOG llevInfo, "[ABT] $msg\n"; |
|
|
2977 | LOG llevInfo, "[ABT] [suppressed]\n"; |
|
|
2978 | } |
|
|
2979 | } |
|
|
2980 | |
|
|
2981 | # load additional modules |
|
|
2982 | use cf::pod; |
|
|
2983 | |
2791 | END { cf::emergency_save } |
2984 | END { cf::emergency_save } |
2792 | |
2985 | |
2793 | 1 |
2986 | 1 |
2794 | |
2987 | |