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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.335 by root, Mon Aug 20 22:21:48 2007 UTC vs.
Revision 1.347 by root, Thu Aug 30 05:16:09 2007 UTC

21use Coro::Semaphore; 21use Coro::Semaphore;
22use Coro::AIO; 22use Coro::AIO;
23use Coro::Storable; 23use Coro::Storable;
24use Coro::Util (); 24use Coro::Util ();
25 25
26use JSON::XS 1.4 (); 26use JSON::XS ();
27use BDB (); 27use BDB ();
28use Data::Dumper; 28use Data::Dumper;
29use Digest::MD5; 29use Digest::MD5;
30use Fcntl; 30use Fcntl;
31use YAML::Syck (); 31use YAML::Syck ();
272Wait until the given lock is available and then acquires it and returns 272Wait until the given lock is available and then acquires it and returns
273a Coro::guard object. If the guard object gets destroyed (goes out of scope, 273a Coro::guard object. If the guard object gets destroyed (goes out of scope,
274for example when the coroutine gets canceled), the lock is automatically 274for example when the coroutine gets canceled), the lock is automatically
275returned. 275returned.
276 276
277Locks are *not* recursive, locking from the same coro twice results in a
278deadlocked coro.
279
277Lock names should begin with a unique identifier (for example, cf::map::find 280Lock names should begin with a unique identifier (for example, cf::map::find
278uses map_find and cf::map::load uses map_load). 281uses map_find and cf::map::load uses map_load).
279 282
280=item $locked = cf::lock_active $string 283=item $locked = cf::lock_active $string
281 284
575 if (1) { 578 if (1) {
576 $md5 = 579 $md5 =
577 join "\x00", 580 join "\x00",
578 $processversion, 581 $processversion,
579 map { 582 map {
580 Coro::cede; 583 cf::cede_to_tick;
581 ($src->[$_], Digest::MD5::md5_hex $data[$_]) 584 ($src->[$_], Digest::MD5::md5_hex $data[$_])
582 } 0.. $#$src; 585 } 0.. $#$src;
583 586
584 587
585 my $dbmd5 = db_get cache => "$id/md5"; 588 my $dbmd5 = db_get cache => "$id/md5";
1149 my ($type, $reply, @payload) = 1152 my ($type, $reply, @payload) =
1150 "ARRAY" eq ref $msg 1153 "ARRAY" eq ref $msg
1151 ? @$msg 1154 ? @$msg
1152 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 1155 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
1153 1156
1157 my @reply;
1158
1154 if (my $cb = $EXTCMD{$type}) { 1159 if (my $cb = $EXTCMD{$type}) {
1155 my @reply = $cb->($pl, @payload); 1160 @reply = $cb->($pl, @payload);
1156
1157 $pl->ext_reply ($reply, @reply)
1158 if $reply;
1159 } 1161 }
1162
1163 $pl->ext_reply ($reply, @reply)
1164 if $reply;
1165
1160 } else { 1166 } else {
1161 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1167 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
1162 } 1168 }
1163 1169
1164 cf::override; 1170 cf::override;
1319 1325
1320 aio_mkdir playerdir $pl, 0770; 1326 aio_mkdir playerdir $pl, 0770;
1321 $pl->{last_save} = $cf::RUNTIME; 1327 $pl->{last_save} = $cf::RUNTIME;
1322 1328
1323 $pl->save_pl ($path); 1329 $pl->save_pl ($path);
1324 Coro::cede; 1330 cf::cede_to_tick;
1325} 1331}
1326 1332
1327sub new($) { 1333sub new($) {
1328 my ($login) = @_; 1334 my ($login) = @_;
1329 1335
1505=cut 1511=cut
1506 1512
1507sub ext_reply($$@) { 1513sub ext_reply($$@) {
1508 my ($self, $id, @msg) = @_; 1514 my ($self, $id, @msg) = @_;
1509 1515
1510 if ($self->ns->extcmd == 2) { 1516 $self->ns->ext_reply ($id, @msg)
1511 $self->send ("ext " . $self->ns->{json_coder}->encode (["reply-$id", @msg]));
1512 } elsif ($self->ns->extcmd == 1) {
1513 #TODO: version 1, remove
1514 unshift @msg, msgtype => "reply", msgid => $id;
1515 $self->send ("ext " . $self->ns->{json_coder}->encode ({@msg}));
1516 }
1517} 1517}
1518 1518
1519=item $player->ext_msg ($type, @msg) 1519=item $player->ext_msg ($type, @msg)
1520 1520
1521Sends an ext event to the client. 1521Sends an ext event to the client.
1852 local $self->{deny_reset} = 1; # loading can take a long time 1852 local $self->{deny_reset} = 1; # loading can take a long time
1853 1853
1854 my $path = $self->{path}; 1854 my $path = $self->{path};
1855 1855
1856 { 1856 {
1857 my $guard1 = cf::lock_acquire "map_data:$path";
1857 my $guard = cf::lock_acquire "map_load:$path"; 1858 my $guard2 = cf::lock_acquire "map_load:$path";
1858 1859
1859 return if $self->in_memory != cf::MAP_SWAPPED; 1860 return if $self->in_memory != cf::MAP_SWAPPED;
1860 1861
1861 $self->in_memory (cf::MAP_LOADING); 1862 $self->in_memory (cf::MAP_LOADING);
1862 1863
1863 $self->alloc; 1864 $self->alloc;
1864 1865
1865 $self->pre_load; 1866 $self->pre_load;
1866 Coro::cede; 1867 cf::cede_to_tick;
1867 1868
1868 $self->_load_objects ($self->{load_path}, 1) 1869 $self->_load_objects ($self->{load_path}, 1)
1869 or return; 1870 or return;
1870 1871
1871 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1872 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1877 $self->clear_unique_items; 1878 $self->clear_unique_items;
1878 $self->_load_objects ($uniq, 0); 1879 $self->_load_objects ($uniq, 0);
1879 } 1880 }
1880 } 1881 }
1881 1882
1882 Coro::cede; 1883 cf::cede_to_tick;
1883 # now do the right thing for maps 1884 # now do the right thing for maps
1884 $self->link_multipart_objects; 1885 $self->link_multipart_objects;
1885 $self->difficulty ($self->estimate_difficulty) 1886 $self->difficulty ($self->estimate_difficulty)
1886 unless $self->difficulty; 1887 unless $self->difficulty;
1887 Coro::cede; 1888 cf::cede_to_tick;
1888 1889
1889 unless ($self->{deny_activate}) { 1890 unless ($self->{deny_activate}) {
1890 $self->decay_objects; 1891 $self->decay_objects;
1891 $self->fix_auto_apply; 1892 $self->fix_auto_apply;
1892 $self->update_buttons; 1893 $self->update_buttons;
1893 Coro::cede; 1894 cf::cede_to_tick;
1894 $self->set_darkness_map; 1895 $self->set_darkness_map;
1895 Coro::cede; 1896 cf::cede_to_tick;
1896 $self->activate; 1897 $self->activate;
1897 } 1898 }
1898 1899
1899 $self->{last_save} = $cf::RUNTIME; 1900 $self->{last_save} = $cf::RUNTIME;
1900 $self->last_access ($cf::RUNTIME); 1901 $self->last_access ($cf::RUNTIME);
1950} 1951}
1951 1952
1952sub do_load_sync { 1953sub do_load_sync {
1953 my ($map) = @_; 1954 my ($map) = @_;
1954 1955
1956 cf::LOG cf::llevDebug | cf::logBacktrace, "do_load_sync"
1957 if $Coro::current == $Coro::main;
1958
1955 cf::sync_job { $map->load }; 1959 cf::sync_job { $map->load };
1956} 1960}
1957 1961
1958our %MAP_PREFETCH; 1962our %MAP_PREFETCH;
1959our $MAP_PREFETCHER = undef; 1963our $MAP_PREFETCHER = undef;
1960 1964
1961sub find_async { 1965sub find_async {
1962 my ($path, $origin) = @_; 1966 my ($path, $origin, $load) = @_;
1963 1967
1964 $path = normalise $path, $origin && $origin->{path}; 1968 $path = normalise $path, $origin && $origin->{path};
1965 1969
1966 if (my $map = $cf::MAP{$path}) { 1970 if (my $map = $cf::MAP{$path}) {
1967 return $map if $map->in_memory == cf::MAP_IN_MEMORY; 1971 return $map if !$load || $map->in_memory == cf::MAP_IN_MEMORY;
1968 } 1972 }
1969 1973
1970 undef $MAP_PREFETCH{$path}; 1974 $MAP_PREFETCH{$path} |= $load;
1975
1971 $MAP_PREFETCHER ||= cf::async { 1976 $MAP_PREFETCHER ||= cf::async {
1972 while (%MAP_PREFETCH) { 1977 while (%MAP_PREFETCH) {
1973 for my $path (keys %MAP_PREFETCH) { 1978 while (my ($k, $v) = each %MAP_PREFETCH) {
1974 if (my $map = find $path) { 1979 if (my $map = find $k) {
1975 $map->load; 1980 $map->load if $v;
1976 } 1981 }
1977 1982
1978 delete $MAP_PREFETCH{$path}; 1983 delete $MAP_PREFETCH{$k};
1979 } 1984 }
1980 } 1985 }
1981 undef $MAP_PREFETCHER; 1986 undef $MAP_PREFETCHER;
1982 }; 1987 };
1983 $MAP_PREFETCHER->prio (6); 1988 $MAP_PREFETCHER->prio (6);
1986} 1991}
1987 1992
1988sub save { 1993sub save {
1989 my ($self) = @_; 1994 my ($self) = @_;
1990 1995
1991 my $lock = cf::lock_acquire "map_data:" . $self->path; 1996 my $lock = cf::lock_acquire "map_data:$self->{path}";
1992 1997
1993 $self->{last_save} = $cf::RUNTIME; 1998 $self->{last_save} = $cf::RUNTIME;
1994 1999
1995 return unless $self->dirty; 2000 return unless $self->dirty;
1996 2001
2019 my ($self) = @_; 2024 my ($self) = @_;
2020 2025
2021 # save first because save cedes 2026 # save first because save cedes
2022 $self->save; 2027 $self->save;
2023 2028
2024 my $lock = cf::lock_acquire "map_data:" . $self->path; 2029 my $lock = cf::lock_acquire "map_data:$self->{path}";
2025 2030
2026 return if $self->players; 2031 return if $self->players;
2027 return if $self->in_memory != cf::MAP_IN_MEMORY; 2032 return if $self->in_memory != cf::MAP_IN_MEMORY;
2028 return if $self->{deny_save}; 2033 return if $self->{deny_save};
2029 2034
2557=cut 2562=cut
2558 2563
2559sub cf::client::ext_msg($$@) { 2564sub cf::client::ext_msg($$@) {
2560 my ($self, $type, @msg) = @_; 2565 my ($self, $type, @msg) = @_;
2561 2566
2562 my $extcmd = $self->extcmd;
2563
2564 if ($extcmd == 2) { 2567 if ($self->extcmd == 2) {
2565 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg])); 2568 $self->send_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
2566 } elsif ($extcmd == 1) { # TODO: remove 2569 } elsif ($self->extcmd == 1) { # TODO: remove
2567 push @msg, msgtype => "event_$type"; 2570 push @msg, msgtype => "event_$type";
2571 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2572 }
2573}
2574
2575=item $client->ext_reply ($msgid, @msg)
2576
2577Sends an ext reply to the client.
2578
2579=cut
2580
2581sub cf::client::ext_reply($$@) {
2582 my ($self, $id, @msg) = @_;
2583
2584 if ($self->extcmd == 2) {
2585 $self->send_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
2586 } elsif ($self->extcmd == 1) {
2587 #TODO: version 1, remove
2588 unshift @msg, msgtype => "reply", msgid => $id;
2568 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg})); 2589 $self->send_packet ("ext " . $self->{json_coder}->encode ({@msg}));
2569 } 2590 }
2570} 2591}
2571 2592
2572=item $success = $client->query ($flags, "text", \&cb) 2593=item $success = $client->query ($flags, "text", \&cb)
2634 my ($type, $reply, @payload) = 2655 my ($type, $reply, @payload) =
2635 "ARRAY" eq ref $msg 2656 "ARRAY" eq ref $msg
2636 ? @$msg 2657 ? @$msg
2637 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove 2658 : ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
2638 2659
2660 my @reply;
2661
2639 if (my $cb = $EXTICMD{$type}) { 2662 if (my $cb = $EXTICMD{$type}) {
2640 my @reply = $cb->($ns, @payload); 2663 @reply = $cb->($ns, @payload);
2641
2642 $ns->ext_reply ($reply, @reply)
2643 if $reply;
2644 } 2664 }
2665
2666 $ns->ext_reply ($reply, @reply)
2667 if $reply;
2668
2645 } else { 2669 } else {
2646 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n"; 2670 warn "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
2647 } 2671 }
2648 2672
2649 cf::override; 2673 cf::override;
2710 2734
2711The following functions and methods are available within a safe environment: 2735The following functions and methods are available within a safe environment:
2712 2736
2713 cf::object 2737 cf::object
2714 contr pay_amount pay_player map x y force_find force_add 2738 contr pay_amount pay_player map x y force_find force_add
2715 insert remove name archname title slaying race 2739 insert remove name archname title slaying race decrease_ob_nr
2716 2740
2717 cf::object::player 2741 cf::object::player
2718 player 2742 player
2719 2743
2720 cf::player 2744 cf::player
2725 2749
2726=cut 2750=cut
2727 2751
2728for ( 2752for (
2729 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y 2753 ["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
2730 insert remove inv name archname title slaying race)], 2754 insert remove inv name archname title slaying race
2755 decrease_ob_nr)],
2731 ["cf::object::player" => qw(player)], 2756 ["cf::object::player" => qw(player)],
2732 ["cf::player" => qw(peaceful)], 2757 ["cf::player" => qw(peaceful)],
2733 ["cf::map" => qw(trigger)], 2758 ["cf::map" => qw(trigger)],
2734) { 2759) {
2735 no strict 'refs'; 2760 no strict 'refs';
2811# the server's init and main functions 2836# the server's init and main functions
2812 2837
2813sub load_facedata($) { 2838sub load_facedata($) {
2814 my ($path) = @_; 2839 my ($path) = @_;
2815 2840
2816 my $enc = JSON::XS->new->utf8->canonical; 2841 my $enc = JSON::XS->new->utf8->canonical->relaxed;
2817 2842
2818 warn "loading facedata from $path\n"; 2843 warn "loading facedata from $path\n";
2819 2844
2820 my $facedata; 2845 my $facedata;
2821 0 < aio_load $path, $facedata 2846 0 < aio_load $path, $facedata
2827 or cf::cleanup "$path: version mismatch, cannot proceed."; 2852 or cf::cleanup "$path: version mismatch, cannot proceed.";
2828 2853
2829 # patch in the exptable 2854 # patch in the exptable
2830 $facedata->{resource}{"res/exp_table"} = { 2855 $facedata->{resource}{"res/exp_table"} = {
2831 type => FT_RSRC, 2856 type => FT_RSRC,
2832 data => $enc->encode ([map cf::level_to_min_exp $_, 0 .. cf::settings->max_level]), 2857 data => $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]),
2833 }; 2858 };
2834 cf::cede_to_tick; 2859 cf::cede_to_tick;
2835 2860
2836 { 2861 {
2837 my $faces = $facedata->{faceinfo}; 2862 my $faces = $facedata->{faceinfo};
2890 name => $name, 2915 name => $name,
2891 %{ $info->{meta} || {} }, 2916 %{ $info->{meta} || {} },
2892 }); 2917 });
2893 2918
2894 $data = pack "(w/a*)*", $meta, $info->{data}; 2919 $data = pack "(w/a*)*", $meta, $info->{data};
2920 } else {
2921 $data = $info->{data};
2895 } 2922 }
2896 2923
2897 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data; 2924 cf::face::set_data $idx, 0, $data, Digest::MD5::md5 $data;
2898 cf::face::set_type $idx, $info->{type}; 2925 cf::face::set_type $idx, $info->{type};
2899 2926
2974 3001
2975sub init { 3002sub init {
2976 reload_resources; 3003 reload_resources;
2977} 3004}
2978 3005
2979sub cfg_load { 3006sub reload_config {
2980 open my $fh, "<:utf8", "$CONFDIR/config" 3007 open my $fh, "<:utf8", "$CONFDIR/config"
2981 or return; 3008 or return;
2982 3009
2983 local $/; 3010 local $/;
2984 *CFG = YAML::Syck::Load <$fh>; 3011 *CFG = YAML::Syck::Load <$fh>;
3004 (async { 3031 (async {
3005 Event::one_event; 3032 Event::one_event;
3006 })->prio (Coro::PRIO_MAX); 3033 })->prio (Coro::PRIO_MAX);
3007 }; 3034 };
3008 3035
3009 cfg_load; 3036 reload_config;
3010 db_init; 3037 db_init;
3011 load_extensions; 3038 load_extensions;
3012 3039
3013 $TICK_WATCHER->start; 3040 $TICK_WATCHER->start;
3014 Event::loop; 3041 Event::loop;
3207 warn "reloading cf.pm"; 3234 warn "reloading cf.pm";
3208 require cf; 3235 require cf;
3209 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 3236 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
3210 3237
3211 warn "loading config and database again"; 3238 warn "loading config and database again";
3212 cf::cfg_load; 3239 cf::reload_config;
3213 3240
3214 warn "loading extensions"; 3241 warn "loading extensions";
3215 cf::load_extensions; 3242 cf::load_extensions;
3216 3243
3217 warn "reattaching attachments to objects/players"; 3244 warn "reattaching attachments to objects/players";

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