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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.352 by root, Sun Sep 2 04:57:14 2007 UTC vs.
Revision 1.361 by root, Sun Sep 9 12:52:48 2007 UTC

… …
87our %CFG; 87our %CFG;
88 88
89our $UPTIME; $UPTIME ||= time; 89our $UPTIME; $UPTIME ||= time;
90our $RUNTIME; 90our $RUNTIME;
91 91
92our %PLAYER; # all users 92our (%PLAYER, %PLAYER_LOADING); # all users
93our %MAP; # all maps 93our (%MAP, %MAP_LOADING ); # all maps
94our $LINK_MAP; # the special {link} map, which is always available 94our $LINK_MAP; # the special {link} map, which is always available
95 95
96# used to convert map paths into valid unix filenames by replacing / by ∕ 96# used to convert map paths into valid unix filenames by replacing / by ∕
97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons 97our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
98 98
… …
285Return true if the lock is currently active, i.e. somebody has locked it. 285Return true if the lock is currently active, i.e. somebody has locked it.
286 286
287=cut 287=cut
288 288
289our %LOCK; 289our %LOCK;
290our %LOCKER;#d#
290 291
291sub lock_wait($) { 292sub lock_wait($) {
292 my ($key) = @_; 293 my ($key) = @_;
294
295 if ($LOCKER{$key} == $Coro::current) {#d#
296 Carp::cluck "lock_wait($key) for already-acquired lock";#d#
297 return;#d#
298 }#d#
293 299
294 # wait for lock, if any 300 # wait for lock, if any
295 while ($LOCK{$key}) { 301 while ($LOCK{$key}) {
296 push @{ $LOCK{$key} }, $Coro::current; 302 push @{ $LOCK{$key} }, $Coro::current;
297 Coro::schedule; 303 Coro::schedule;
… …
303 309
304 # wait, to be sure we are not locked 310 # wait, to be sure we are not locked
305 lock_wait $key; 311 lock_wait $key;
306 312
307 $LOCK{$key} = []; 313 $LOCK{$key} = [];
314 $LOCKER{$key} = $Coro::current;#d#
308 315
309 Coro::guard { 316 Coro::guard {
317 delete $LOCKER{$key};#d#
310 # wake up all waiters, to be on the safe side 318 # wake up all waiters, to be on the safe side
311 $_->ready for @{ delete $LOCK{$key} }; 319 $_->ready for @{ delete $LOCK{$key} };
312 } 320 }
313} 321}
314 322
… …
481sub fork_call(&@) { 489sub fork_call(&@) {
482 my ($cb, @args) = @_; 490 my ($cb, @args) = @_;
483 491
484 # we seemingly have to make a local copy of the whole thing, 492 # we seemingly have to make a local copy of the whole thing,
485 # otherwise perl prematurely frees the stuff :/ 493 # otherwise perl prematurely frees the stuff :/
486 # TODO: investigate and fix (liekly this will be rather laborious) 494 # TODO: investigate and fix (likely this will be rather laborious)
487 495
488 my @res = Coro::Util::fork_eval { 496 my @res = Coro::Util::fork_eval {
489 reset_signals; 497 reset_signals;
490 &$cb 498 &$cb
491 }, @args; 499 }, @args;
… …
1004 }, 1012 },
1005); 1013);
1006 1014
1007sub object_freezer_save { 1015sub object_freezer_save {
1008 my ($filename, $rdata, $objs) = @_; 1016 my ($filename, $rdata, $objs) = @_;
1017
1018 my $guard = cf::lock_acquire "io";
1009 1019
1010 sync_job { 1020 sync_job {
1011 if (length $$rdata) { 1021 if (length $$rdata) {
1012 warn sprintf "saving %s (%d,%d)\n", 1022 warn sprintf "saving %s (%d,%d)\n",
1013 $filename, length $$rdata, scalar @$objs; 1023 $filename, length $$rdata, scalar @$objs;
… …
1037 } 1047 }
1038 } else { 1048 } else {
1039 aio_unlink $filename; 1049 aio_unlink $filename;
1040 aio_unlink "$filename.pst"; 1050 aio_unlink "$filename.pst";
1041 } 1051 }
1042 } 1052 };
1053
1054 undef $guard;
1043} 1055}
1044 1056
1045sub object_freezer_as_string { 1057sub object_freezer_as_string {
1046 my ($rdata, $objs) = @_; 1058 my ($rdata, $objs) = @_;
1047 1059
… …
1052 1064
1053sub object_thawer_load { 1065sub object_thawer_load {
1054 my ($filename) = @_; 1066 my ($filename) = @_;
1055 1067
1056 my ($data, $av); 1068 my ($data, $av);
1069
1070 my $guard = cf::lock_acquire "io";
1057 1071
1058 (aio_load $filename, $data) >= 0 1072 (aio_load $filename, $data) >= 0
1059 or return; 1073 or return;
1060 1074
1061 unless (aio_stat "$filename.pst") { 1075 unless (aio_stat "$filename.pst") {
1062 (aio_load "$filename.pst", $av) >= 0 1076 (aio_load "$filename.pst", $av) >= 0
1063 or return; 1077 or return;
1078
1079 undef $guard;
1064 $av = eval { (Storable::thaw $av)->{objs} }; 1080 $av = eval { (Storable::thaw $av)->{objs} };
1065 } 1081 }
1066 1082
1067 warn sprintf "loading %s (%d)\n", 1083 warn sprintf "loading %s (%d)\n",
1068 $filename, length $data, scalar @{$av || []}; 1084 $filename, length $data, scalar @{$av || []};
1085
1069 return ($data, $av); 1086 ($data, $av)
1070} 1087}
1071 1088
1072=head2 COMMAND CALLBACKS 1089=head2 COMMAND CALLBACKS
1073 1090
1074=over 4 1091=over 4
… …
1260 1277
1261=head3 cf::player 1278=head3 cf::player
1262 1279
1263=over 4 1280=over 4
1264 1281
1282=item cf::player::num_playing
1283
1284Returns the official number of playing players, as per the Crossfire metaserver rules.
1285
1286=cut
1287
1288sub num_playing {
1289 scalar grep
1290 $_->ob->map
1291 && !$_->hidden
1292 && !$_->ob->flag (cf::FLAG_WIZ),
1293 cf::player::list
1294}
1295
1265=item cf::player::find $login 1296=item cf::player::find $login
1266 1297
1267Returns the given player object, loading it if necessary (might block). 1298Returns the given player object, loading it if necessary (might block).
1268 1299
1269=cut 1300=cut
… …
1304 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1335 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1336 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1337 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307 aio_unlink +(playerdir $login) . "/$login.pl"; 1338 aio_unlink +(playerdir $login) . "/$login.pl";
1308 1339
1309 my $pl = load_pl path $login 1340 my $f = new_from_file cf::object::thawer path $login
1310 or return; 1341 or return;
1342
1343 $f->next;
1344 my $pl = cf::player::load_pl $f
1345 or return;
1346 local $cf::PLAYER_LOADING{$login} = $pl;
1347 $f->resolve_delayed_derefs;
1311 $cf::PLAYER{$login} = $pl 1348 $cf::PLAYER{$login} = $pl
1312 } 1349 }
1313 } 1350 }
1314} 1351}
1315 1352
… …
1413 or return []; 1450 or return [];
1414 1451
1415 my @logins; 1452 my @logins;
1416 1453
1417 for my $login (@$dirs) { 1454 for my $login (@$dirs) {
1455 my $path = path $login;
1456
1457 # a .pst is a dead give-away for a valid player
1458 unless (-e "$path.pst") {
1418 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1459 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419 aio_read $fh, 0, 512, my $buf, 0 or next; 1460 aio_read $fh, 0, 512, my $buf, 0 or next;
1420 $buf !~ /^password -------------$/m or next; # official not-valid tag 1461 $buf !~ /^password -------------$/m or next; # official not-valid tag
1462 }
1421 1463
1422 utf8::decode $login; 1464 utf8::decode $login;
1423 push @logins, $login; 1465 push @logins, $login;
1424 } 1466 }
1425 1467
… …
1750 1792
1751sub load_header_from($) { 1793sub load_header_from($) {
1752 my ($self, $path) = @_; 1794 my ($self, $path) = @_;
1753 1795
1754 utf8::encode $path; 1796 utf8::encode $path;
1755 #aio_open $path, O_RDONLY, 0 1797 my $f = new_from_file cf::object::thawer $path
1756 # or return;
1757
1758 $self->_load_header ($path)
1759 or return; 1798 or return;
1799
1800 $self->_load_header ($f)
1801 or return;
1802
1803 local $MAP_LOADING{$self->{path}} = $self;
1804 $f->resolve_delayed_derefs;
1760 1805
1761 $self->{load_path} = $path; 1806 $self->{load_path} = $path;
1762 1807
1763 1 1808 1
1764} 1809}
… …
1818sub find { 1863sub find {
1819 my ($path, $origin) = @_; 1864 my ($path, $origin) = @_;
1820 1865
1821 $path = normalise $path, $origin && $origin->path; 1866 $path = normalise $path, $origin && $origin->path;
1822 1867
1868 cf::lock_wait "map_data:$path";#d#remove
1823 cf::lock_wait "map_find:$path"; 1869 cf::lock_wait "map_find:$path";
1824 1870
1825 $cf::MAP{$path} || do { 1871 $cf::MAP{$path} || do {
1826 my $guard = cf::lock_acquire "map_find:$path"; 1872 my $guard1 = cf::lock_acquire "map_find:$path";
1873 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1874
1827 my $map = new_from_path cf::map $path 1875 my $map = new_from_path cf::map $path
1828 or return; 1876 or return;
1829 1877
1830 $map->{last_save} = $cf::RUNTIME; 1878 $map->{last_save} = $cf::RUNTIME;
1831 1879
… …
1833 or return; 1881 or return;
1834 1882
1835 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1883 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836 # doing this can freeze the server in a sync job, obviously 1884 # doing this can freeze the server in a sync job, obviously
1837 #$cf::WAIT_FOR_TICK->wait; 1885 #$cf::WAIT_FOR_TICK->wait;
1886 undef $guard1;
1887 undef $guard2;
1838 $map->reset; 1888 $map->reset;
1839 undef $guard;
1840 return find $path; 1889 return find $path;
1841 } 1890 }
1842 1891
1843 $cf::MAP{$path} = $map 1892 $cf::MAP{$path} = $map
1844 } 1893 }
… …
1853 local $self->{deny_reset} = 1; # loading can take a long time 1902 local $self->{deny_reset} = 1; # loading can take a long time
1854 1903
1855 my $path = $self->{path}; 1904 my $path = $self->{path};
1856 1905
1857 { 1906 {
1858 my $guard1 = cf::lock_acquire "map_data:$path"; 1907 my $guard = cf::lock_acquire "map_data:$path";
1859 my $guard2 = cf::lock_acquire "map_load:$path";
1860 1908
1909 return unless $self->valid;
1861 return if $self->in_memory != cf::MAP_SWAPPED; 1910 return unless $self->in_memory == cf::MAP_SWAPPED;
1862 1911
1863 $self->in_memory (cf::MAP_LOADING); 1912 $self->in_memory (cf::MAP_LOADING);
1864 1913
1865 $self->alloc; 1914 $self->alloc;
1866 1915
1867 $self->pre_load; 1916 $self->pre_load;
1868 cf::cede_to_tick; 1917 cf::cede_to_tick;
1869 1918
1919 my $f = new_from_file cf::object::thawer $self->{load_path};
1920 $f->skip_block;
1870 $self->_load_objects ($self->{load_path}, 1) 1921 $self->_load_objects ($f)
1871 or return; 1922 or return;
1872 1923
1873 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1924 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1874 if delete $self->{load_original}; 1925 if delete $self->{load_original};
1875 1926
1876 if (my $uniq = $self->uniq_path) { 1927 if (my $uniq = $self->uniq_path) {
1877 utf8::encode $uniq; 1928 utf8::encode $uniq;
1878 if (aio_open $uniq, O_RDONLY, 0) { 1929 unless (aio_stat $uniq) {
1930 if (my $f = new_from_file cf::object::thawer $uniq) {
1879 $self->clear_unique_items; 1931 $self->clear_unique_items;
1880 $self->_load_objects ($uniq, 0); 1932 $self->_load_objects ($f);
1933 $f->resolve_delayed_derefs;
1934 }
1881 } 1935 }
1882 } 1936 }
1937
1938 $f->resolve_delayed_derefs;
1883 1939
1884 cf::cede_to_tick; 1940 cf::cede_to_tick;
1885 # now do the right thing for maps 1941 # now do the right thing for maps
1886 $self->link_multipart_objects; 1942 $self->link_multipart_objects;
1887 $self->difficulty ($self->estimate_difficulty) 1943 $self->difficulty ($self->estimate_difficulty)
… …
2031 2087
2032 return if $self->players; 2088 return if $self->players;
2033 return if $self->in_memory != cf::MAP_IN_MEMORY; 2089 return if $self->in_memory != cf::MAP_IN_MEMORY;
2034 return if $self->{deny_save}; 2090 return if $self->{deny_save};
2035 2091
2092 $self->in_memory (cf::MAP_SWAPPED);
2093
2094 $self->deactivate;
2095 $_->clear_links_to ($self) for values %cf::MAP;
2036 $self->clear; 2096 $self->clear;
2037 $self->in_memory (cf::MAP_SWAPPED);
2038} 2097}
2039 2098
2040sub reset_at { 2099sub reset_at {
2041 my ($self) = @_; 2100 my ($self) = @_;
2042 2101
… …
2074 if $uniq; 2133 if $uniq;
2075 } 2134 }
2076 2135
2077 delete $cf::MAP{$self->path}; 2136 delete $cf::MAP{$self->path};
2078 2137
2138 $self->deactivate;
2139 $_->clear_links_to ($self) for values %cf::MAP;
2079 $self->clear; 2140 $self->clear;
2080
2081 $_->clear_links_to ($self) for values %cf::MAP;
2082 2141
2083 $self->unlink_save; 2142 $self->unlink_save;
2084 $self->destroy; 2143 $self->destroy;
2085} 2144}
2086 2145
… …
2185 map { $_, inv_recursive_ $_->inv } @_ 2244 map { $_, inv_recursive_ $_->inv } @_
2186} 2245}
2187 2246
2188sub inv_recursive { 2247sub inv_recursive {
2189 inv_recursive_ inv $_[0] 2248 inv_recursive_ inv $_[0]
2249}
2250
2251=item $ref = $ob->ref
2252
2253creates and returns a persistent reference to an objetc that can be stored as a string.
2254
2255=item $ob = cf::object::deref ($refstring)
2256
2257returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2258even if the object actually exists. May block.
2259
2260=cut
2261
2262sub deref {
2263 my ($ref) = @_;
2264
2265 # temporary compatibility#TODO#remove
2266 $ref =~ s{^<}{player/<};
2267
2268 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2269 my ($uuid, $name) = ($1, $2);
2270 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2271 or return;
2272 $pl->ob->uuid eq $uuid
2273 or return;
2274
2275 $pl->ob
2276 } else {
2277 warn "$ref: cannot resolve object reference\n";
2278 undef
2279 }
2190} 2280}
2191 2281
2192package cf; 2282package cf;
2193 2283
2194=back 2284=back
… …
2534 2624
2535 if (ref $channel) { 2625 if (ref $channel) {
2536 # send meta info to client, if not yet sent 2626 # send meta info to client, if not yet sent
2537 unless (exists $self->{channel}{$channel->{id}}) { 2627 unless (exists $self->{channel}{$channel->{id}}) {
2538 $self->{channel}{$channel->{id}} = $channel; 2628 $self->{channel}{$channel->{id}} = $channel;
2539 $self->ext_msg (channel_info => $channel); 2629 $self->ext_msg (channel_info => $channel)
2630 if $self->can_msg;
2540 } 2631 }
2541 2632
2542 $channel = $channel->{id}; 2633 $channel = $channel->{id};
2543 } 2634 }
2544 2635
… …
3368 or die; 3459 or die;
3369 3460
3370 $map->width (50); 3461 $map->width (50);
3371 $map->height (50); 3462 $map->height (50);
3372 $map->alloc; 3463 $map->alloc;
3373 $map->_load_objects ("/tmp/x.map", 1); 3464 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3374 my $t = Event::time - $t; 3465 my $t = Event::time - $t;
3375 3466
3376 #next unless $t < 0.0013;#d# 3467 #next unless $t < 0.0013;#d#
3377 if ($t < $min) { 3468 if ($t < $min) {
3378 $min = $t; 3469 $min = $t;

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