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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.353 by root, Sun Sep 2 08:43:46 2007 UTC vs.
Revision 1.358 by root, Fri Sep 7 18:10:52 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
… …
1304 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst"; 1321 aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
1305 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata"; 1322 aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
1306 aio_unlink +(playerdir $login) . "/$login.pl.pst"; 1323 aio_unlink +(playerdir $login) . "/$login.pl.pst";
1307 aio_unlink +(playerdir $login) . "/$login.pl"; 1324 aio_unlink +(playerdir $login) . "/$login.pl";
1308 1325
1309 my $pl = load_pl path $login 1326 my $f = new_from_file cf::object::thawer path $login
1310 or return; 1327 or return;
1328
1329 $f->next;
1330 my $pl = cf::player::load_pl $f
1331 or return;
1332 local $cf::PLAYER_LOADING{$login} = $pl;
1333 $f->resolve_delayed_derefs;
1311 $cf::PLAYER{$login} = $pl 1334 $cf::PLAYER{$login} = $pl
1312 } 1335 }
1313 } 1336 }
1314} 1337}
1315 1338
… …
1413 or return []; 1436 or return [];
1414 1437
1415 my @logins; 1438 my @logins;
1416 1439
1417 for my $login (@$dirs) { 1440 for my $login (@$dirs) {
1441 my $path = path $login;
1442
1443 # a .pst is a dead give-away for a valid player
1444 unless (-e "$path.pst") {
1418 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next; 1445 my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1419 aio_read $fh, 0, 512, my $buf, 0 or next; 1446 aio_read $fh, 0, 512, my $buf, 0 or next;
1420 $buf !~ /^password -------------$/m or next; # official not-valid tag 1447 $buf !~ /^password -------------$/m or next; # official not-valid tag
1448 }
1421 1449
1422 utf8::decode $login; 1450 utf8::decode $login;
1423 push @logins, $login; 1451 push @logins, $login;
1424 } 1452 }
1425 1453
… …
1750 1778
1751sub load_header_from($) { 1779sub load_header_from($) {
1752 my ($self, $path) = @_; 1780 my ($self, $path) = @_;
1753 1781
1754 utf8::encode $path; 1782 utf8::encode $path;
1755 #aio_open $path, O_RDONLY, 0 1783 my $f = new_from_file cf::object::thawer $path
1756 # or return;
1757
1758 $self->_load_header ($path)
1759 or return; 1784 or return;
1785
1786 $self->_load_header ($f)
1787 or return;
1788
1789 local $MAP_LOADING{$self->{path}} = $self;
1790 $f->resolve_delayed_derefs;
1760 1791
1761 $self->{load_path} = $path; 1792 $self->{load_path} = $path;
1762 1793
1763 1 1794 1
1764} 1795}
… …
1818sub find { 1849sub find {
1819 my ($path, $origin) = @_; 1850 my ($path, $origin) = @_;
1820 1851
1821 $path = normalise $path, $origin && $origin->path; 1852 $path = normalise $path, $origin && $origin->path;
1822 1853
1854 cf::lock_wait "map_data:$path";#d#remove
1823 cf::lock_wait "map_find:$path"; 1855 cf::lock_wait "map_find:$path";
1824 1856
1825 $cf::MAP{$path} || do { 1857 $cf::MAP{$path} || do {
1826 my $guard = cf::lock_acquire "map_find:$path"; 1858 my $guard1 = cf::lock_acquire "map_find:$path";
1859 my $guard2 = cf::lock_acquire "map_data:$path"; # just for the fun of it
1860
1827 my $map = new_from_path cf::map $path 1861 my $map = new_from_path cf::map $path
1828 or return; 1862 or return;
1829 1863
1830 $map->{last_save} = $cf::RUNTIME; 1864 $map->{last_save} = $cf::RUNTIME;
1831 1865
… …
1833 or return; 1867 or return;
1834 1868
1835 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?) 1869 if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
1836 # doing this can freeze the server in a sync job, obviously 1870 # doing this can freeze the server in a sync job, obviously
1837 #$cf::WAIT_FOR_TICK->wait; 1871 #$cf::WAIT_FOR_TICK->wait;
1872 undef $guard1;
1873 undef $guard2;
1838 $map->reset; 1874 $map->reset;
1839 undef $guard;
1840 return find $path; 1875 return find $path;
1841 } 1876 }
1842 1877
1843 $cf::MAP{$path} = $map 1878 $cf::MAP{$path} = $map
1844 } 1879 }
… …
1853 local $self->{deny_reset} = 1; # loading can take a long time 1888 local $self->{deny_reset} = 1; # loading can take a long time
1854 1889
1855 my $path = $self->{path}; 1890 my $path = $self->{path};
1856 1891
1857 { 1892 {
1858 my $guard1 = cf::lock_acquire "map_data:$path"; 1893 my $guard = cf::lock_acquire "map_data:$path";
1859 my $guard2 = cf::lock_acquire "map_load:$path";
1860 1894
1895 return unless $self->valid;
1861 return if $self->in_memory != cf::MAP_SWAPPED; 1896 return if $self->in_memory != cf::MAP_SWAPPED;
1862 1897
1863 $self->in_memory (cf::MAP_LOADING); 1898 $self->in_memory (cf::MAP_LOADING);
1864 1899
1865 $self->alloc; 1900 $self->alloc;
1866 1901
1867 $self->pre_load; 1902 $self->pre_load;
1868 cf::cede_to_tick; 1903 cf::cede_to_tick;
1869 1904
1905 my $f = new_from_file cf::object::thawer $self->{load_path};
1906 $f->skip_block;
1870 $self->_load_objects ($self->{load_path}, 1) 1907 $self->_load_objects ($f)
1871 or return; 1908 or return;
1872 1909
1873 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1910 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1874 if delete $self->{load_original}; 1911 if delete $self->{load_original};
1875 1912
1876 if (my $uniq = $self->uniq_path) { 1913 if (my $uniq = $self->uniq_path) {
1877 utf8::encode $uniq; 1914 utf8::encode $uniq;
1878 if (aio_open $uniq, O_RDONLY, 0) { 1915 unless (aio_stat $uniq) {
1916 if (my $f = new_from_file cf::object::thawer $uniq) {
1879 $self->clear_unique_items; 1917 $self->clear_unique_items;
1880 $self->_load_objects ($uniq, 0); 1918 $self->_load_objects ($f);
1919 $f->resolve_delayed_derefs;
1920 }
1881 } 1921 }
1882 } 1922 }
1923
1924 $f->resolve_delayed_derefs;
1883 1925
1884 cf::cede_to_tick; 1926 cf::cede_to_tick;
1885 # now do the right thing for maps 1927 # now do the right thing for maps
1886 $self->link_multipart_objects; 1928 $self->link_multipart_objects;
1887 $self->difficulty ($self->estimate_difficulty) 1929 $self->difficulty ($self->estimate_difficulty)
… …
2031 2073
2032 return if $self->players; 2074 return if $self->players;
2033 return if $self->in_memory != cf::MAP_IN_MEMORY; 2075 return if $self->in_memory != cf::MAP_IN_MEMORY;
2034 return if $self->{deny_save}; 2076 return if $self->{deny_save};
2035 2077
2078 $self->deactivate;
2036 $self->clear; 2079 $self->clear;
2037 $self->in_memory (cf::MAP_SWAPPED); 2080 $self->in_memory (cf::MAP_SWAPPED);
2038} 2081}
2039 2082
2040sub reset_at { 2083sub reset_at {
… …
2074 if $uniq; 2117 if $uniq;
2075 } 2118 }
2076 2119
2077 delete $cf::MAP{$self->path}; 2120 delete $cf::MAP{$self->path};
2078 2121
2122 $self->deactivate;
2079 $self->clear; 2123 $self->clear;
2080 2124
2081 $_->clear_links_to ($self) for values %cf::MAP; 2125 $_->clear_links_to ($self) for values %cf::MAP;
2082 2126
2083 $self->unlink_save; 2127 $self->unlink_save;
… …
2185 map { $_, inv_recursive_ $_->inv } @_ 2229 map { $_, inv_recursive_ $_->inv } @_
2186} 2230}
2187 2231
2188sub inv_recursive { 2232sub inv_recursive {
2189 inv_recursive_ inv $_[0] 2233 inv_recursive_ inv $_[0]
2234}
2235
2236=item $ref = $ob->ref
2237
2238creates and returns a persistent reference to an objetc that can be stored as a string.
2239
2240=item $ob = cf::object::deref ($refstring)
2241
2242returns the objetc referenced by refstring. may return undef when it cnanot find the object,
2243even if the object actually exists. May block.
2244
2245=cut
2246
2247sub deref {
2248 my ($ref) = @_;
2249
2250 # temporary compatibility#TODO#remove
2251 $ref =~ s{^<}{player/<};
2252
2253 if ($ref =~ m{^player\/(<1\.\d+>)/(.*)$}) {
2254 my ($uuid, $name) = ($1, $2);
2255 my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
2256 or return;
2257 $pl->ob->uuid eq $uuid
2258 or return;
2259
2260 $pl->ob
2261 } else {
2262 warn "$ref: cannot resolve object reference\n";
2263 undef
2264 }
2190} 2265}
2191 2266
2192package cf; 2267package cf;
2193 2268
2194=back 2269=back
… …
3369 or die; 3444 or die;
3370 3445
3371 $map->width (50); 3446 $map->width (50);
3372 $map->height (50); 3447 $map->height (50);
3373 $map->alloc; 3448 $map->alloc;
3374 $map->_load_objects ("/tmp/x.map", 1); 3449 $map->_load_objects ("/tmp/x.map", 1); #TODO: does not work
3375 my $t = Event::time - $t; 3450 my $t = Event::time - $t;
3376 3451
3377 #next unless $t < 0.0013;#d# 3452 #next unless $t < 0.0013;#d#
3378 if ($t < $min) { 3453 if ($t < $min) {
3379 $min = $t; 3454 $min = $t;

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