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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.144 by root, Sun Jan 7 18:01:10 2007 UTC vs.
Revision 1.171 by root, Sun Jan 14 12:24:48 2007 UTC

15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use Data::Dumper;
20use Digest::MD5; 21use Digest::MD5;
21use Fcntl; 22use Fcntl;
22use IO::AIO 2.31 (); 23use IO::AIO 2.32 ();
23use YAML::Syck (); 24use YAML::Syck ();
24use Time::HiRes; 25use Time::HiRes;
25 26
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 27use Event; $Event::Eval = 1; # no idea why this is required, but it is
27 28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 32$YAML::Syck::ImplicitUnicode = 1;
30 33
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 35
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35our %COMMAND = (); 36our %COMMAND = ();
36our %COMMAND_TIME = (); 37our %COMMAND_TIME = ();
38
39our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 40our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps
38 43
39our @EVENT; 44our @EVENT;
40our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
41 46
42our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
44our $NEXT_TICK; 51our $NEXT_TICK;
45our $NOW; 52our $NOW;
46 53
47our %CFG; 54our %CFG;
48 55
49our $UPTIME; $UPTIME ||= time; 56our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 57our $RUNTIME;
51 58
52our %PLAYER; # all users 59our %PLAYER; # all users
53our %MAP; # all maps 60our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66
67# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 69
58binmode STDOUT; 70binmode STDOUT;
59binmode STDERR; 71binmode STDERR;
60 72
61# read virtual server time, if available 73# read virtual server time, if available
69mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
73 85
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
77 87
78############################################################################# 88#############################################################################
79 89
80=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
105 115
106=item %cf::CFG 116=item %cf::CFG
107 117
108Configuration for the server, loaded from C</etc/crossfire/config>, or 118Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 119from wherever your confdir points to.
120
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
122
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
125processing has been done. Call C<< ->wait >> on them to maximise the
126window of cpu time available, or simply to synchronise to the server tick.
110 127
111=back 128=back
112 129
113=cut 130=cut
114 131
118 utf8::encode $msg; 135 utf8::encode $msg;
119 136
120 $msg .= "\n" 137 $msg .= "\n"
121 unless $msg =~ /\n$/; 138 unless $msg =~ /\n$/;
122 139
123 LOG llevError, "cfperl: $msg"; 140 LOG llevError, $msg;
124 }; 141 };
125} 142}
126 143
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146 163
147$Event::DIED = sub { 164$Event::DIED = sub {
148 warn "error in event callback: @_"; 165 warn "error in event callback: @_";
149}; 166};
150 167
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 168=head2 UTILITY FUNCTIONS
156 169
157=over 4 170=over 4
158 171
172=item dumpval $ref
173
159=cut 174=cut
175
176sub dumpval {
177 eval {
178 local $SIG{__DIE__};
179 my $d;
180 if (1) {
181 $d = new Data::Dumper([$_[0]], ["*var"]);
182 $d->Terse(1);
183 $d->Indent(2);
184 $d->Quotekeys(0);
185 $d->Useqq(1);
186 #$d->Bless(...);
187 $d->Seen($_[1]) if @_ > 1;
188 $d = $d->Dump();
189 }
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d
192 } || "[unable to dump $_[0]: '$@']";
193}
160 194
161use JSON::Syck (); # TODO# replace by JSON::PC once working 195use JSON::Syck (); # TODO# replace by JSON::PC once working
162 196
163=item $ref = cf::from_json $json 197=item $ref = cf::from_json $json
164 198
225} 259}
226 260
227sub freeze_mainloop { 261sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
229 263
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 264 my $guard = Coro::guard {
265 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 };
268 $WRITE_RUNTIME_WATCHER->stop;
231 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
232 $guard 270 $guard
233} 271}
234 272
235=item cf::async { BLOCK } 273=item cf::async { BLOCK }
287 } 325 }
288} 326}
289 327
290=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
291 329
292Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 331extension calling this is being unloaded.
294 332
295=cut 333=cut
296 334
297sub async_ext(&) { 335sub async_ext(&) {
330} 368}
331 369
332=back 370=back
333 371
334=cut 372=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($class, $path, $base) = @_;
342
343 $path = $path->as_string if ref $path;
344
345 my $self = bless { }, $class;
346
347 # {... are special paths that are not touched
348 # ?xxx/... are special absolute paths
349 # ?random/... random maps
350 # /! non-realised random map exit
351 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user
354
355 if ($path =~ /^{/) {
356 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else {
361 if ($path =~ s{^~([^/]+)?}{}) {
362 $self->{user_rel} = 1;
363
364 if (defined $1) {
365 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1;
368 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 }
371 } elsif ($path =~ /^\//) {
372 # already absolute
373 } else {
374 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path");
376 }
377
378 for ($path) {
379 redo if s{/\.?/}{/};
380 redo if s{/[^/]+/\.\./}{/};
381 }
382 }
383
384 $self->{path} = $path;
385
386 $self
387}
388
389# the name / primary key / in-game path
390sub as_string {
391 my ($self) = @_;
392
393 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}"
395 : $self->{path}
396}
397
398# the displayed name, this is a one way mapping
399sub visible_name {
400 my ($self) = @_;
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408}
409
410# escape the /'s in the path
411sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\//∕/g;
414 $path
415}
416
417# the original (read-only) location
418sub load_path {
419 my ($self) = @_;
420
421 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422}
423
424# the temporary/swap location
425sub save_path {
426 my ($self) = @_;
427
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431}
432
433# the unique path, might be eq to save_path
434sub uniq_path {
435 my ($self) = @_;
436
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447}
448
449# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map {
451 $_[0]{path} =~ m{^/styles/}
452}
453
454package cf;
455 373
456############################################################################# 374#############################################################################
457 375
458=head2 ATTACHABLE OBJECTS 376=head2 ATTACHABLE OBJECTS
459 377
585our @CB_TYPE = (); # registry for type (cf-object class) based events 503our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 504our @CB_MAP = ();
587 505
588my %attachment; 506my %attachment;
589 507
508sub cf::attachable::thawer_merge {
509 # simply override everything except _meta
510 local $_[0]{_meta};
511 %{$_[0]} = %{$_[1]};
512}
513
590sub _attach_cb($$$$) { 514sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 515 my ($registry, $event, $prio, $cb) = @_;
592 516
593 use sort 'stable'; 517 use sort 'stable';
594 518
765# object support 689# object support
766 690
767sub reattach { 691sub reattach {
768 # basically do the same as instantiate, without calling instantiate 692 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 693 my ($obj) = @_;
694
695 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 696
771 my $registry = $obj->registry; 697 my $registry = $obj->registry;
772 698
773 @$registry = (); 699 @$registry = ();
774 700
906=cut 832=cut
907 833
908sub register_extcmd { 834sub register_extcmd {
909 my ($name, $cb) = @_; 835 my ($name, $cb) = @_;
910 836
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 837 $EXTCMD{$name} = $cb;
915} 838}
916 839
917cf::player->attach ( 840cf::player->attach (
918 on_command => sub { 841 on_command => sub {
919 my ($pl, $name, $params) = @_; 842 my ($pl, $name, $params) = @_;
932 855
933 my $msg = eval { from_json $buf }; 856 my $msg = eval { from_json $buf };
934 857
935 if (ref $msg) { 858 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 859 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 860 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 861 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 862 }
940 } 863 }
941 } else { 864 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 865 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 867
945 cf::override; 868 cf::override;
946 }, 869 },
947); 870);
948 871
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 872sub load_extension {
956 my ($path) = @_; 873 my ($path) = @_;
957 874
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 875 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 876 my $base = $1;
960 my $pkg = $1; 877 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 878 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 879 $pkg = "ext::$pkg";
963 880
964 warn "loading '$path' into '$pkg'\n"; 881 warn "... loading '$path' into '$pkg'\n";
965 882
966 open my $fh, "<:utf8", $path 883 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 884 or die "$path: $!";
968 885
969 my $source = 886 my $source =
970 "package $pkg; use strict; use utf8;\n" 887 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n" 888 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> }) 889 . (do { local $/; <$fh> })
973 . "\n};\n1"; 890 . "\n};\n1";
974 891
975 eval $source 892 unless (eval $source) {
976 or die $@ ? "$path: $@\n" 893 my $msg = $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 894 : "extension disabled.\n";
978 895 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979 push @exts, $pkg; 896 warn $@;
980 $ext_pkg{$base} = $pkg; 897 warn "mandatory extension failed to load, exiting.\n";
981 898 exit 1;
982# no strict 'refs'; 899 }
983# @{"$pkg\::ISA"} = ext::; 900 die $@;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# } 901 }
998 902
999 # remove commands 903 push @EXTS, $pkg;
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 }
1008 }
1009
1010 # remove extcmds
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023} 904}
1024 905
1025sub load_extensions { 906sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 907 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 908 next unless -r $ext;
1031 } or warn "$ext not loaded: $@"; 912 } or warn "$ext not loaded: $@";
1032 } 913 }
1033} 914}
1034 915
1035############################################################################# 916#############################################################################
1036# load/save/clean perl data associated with a map
1037
1038*cf::mapsupport::on_clean = sub {
1039 my ($map) = @_;
1040
1041 my $path = $map->tmpname;
1042 defined $path or return;
1043
1044 unlink "$path.pst";
1045};
1046
1047cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 917
1073=head2 CORE EXTENSIONS 918=head2 CORE EXTENSIONS
1074 919
1075Functions and methods that extend core crossfire objects. 920Functions and methods that extend core crossfire objects.
1076 921
1077=cut 922=cut
1078 923
1079package cf::player; 924package cf::player;
1080 925
926use Coro::AIO;
927
1081=head3 cf::player 928=head3 cf::player
1082 929
1083=over 4 930=over 4
1084 931
1085=item cf::player::find $login 932=item cf::player::find $login
1086 933
1087Returns the given player object, loading it if necessary (might block). 934Returns the given player object, loading it if necessary (might block).
1088 935
1089=cut 936=cut
1090 937
938sub playerdir($) {
939 cf::localdir
940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944}
945
1091sub path($) { 946sub path($) {
1092 sprintf "%s/%s/%s/%s.pl", 947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1093 cf::localdir, cf::playerdir, 948
1094 (ref $_[0] ? $_[0]->ob->name : $_[0]) x 2 949 (playerdir $login) . "/$login.pl"
1095} 950}
1096 951
1097sub find_active($) { 952sub find_active($) {
1098 $cf::PLAYER{$_[0]} 953 $cf::PLAYER{$_[0]}
1099 and $cf::PLAYER{$_[0]}->active 954 and $cf::PLAYER{$_[0]}->active
1111 return $cf::PLAYER{$_[0]} || do { 966 return $cf::PLAYER{$_[0]} || do {
1112 my $login = $_[0]; 967 my $login = $_[0];
1113 968
1114 my $guard = cf::lock_acquire "user_find:$login"; 969 my $guard = cf::lock_acquire "user_find:$login";
1115 970
1116 $cf::PLAYER{$login} ||= (load_pl path $login or return); 971 $cf::PLAYER{$_[0]} || do {
972 my $pl = load_pl path $login
973 or return;
974 $cf::PLAYER{$login} = $pl
975 }
1117 }; 976 }
1118} 977}
1119 978
1120sub save($) { 979sub save($) {
1121 my ($pl) = @_; 980 my ($pl) = @_;
1122 981
1124 983
1125 my $path = path $pl; 984 my $path = path $pl;
1126 my $guard = cf::lock_acquire "user_save:$path"; 985 my $guard = cf::lock_acquire "user_save:$path";
1127 986
1128 return if $pl->{deny_save}; 987 return if $pl->{deny_save};
988
989 aio_mkdir playerdir $pl, 0770;
1129 $pl->{last_save} = $cf::RUNTIME; 990 $pl->{last_save} = $cf::RUNTIME;
1130 991
1131 Coro::cede;
1132 $pl->save_pl ($path); 992 $pl->save_pl ($path);
1133 Coro::cede; 993 Coro::cede;
1134} 994}
1135 995
1136sub new($) { 996sub new($) {
1144 $cf::PLAYER{$login} = $self; 1004 $cf::PLAYER{$login} = $self;
1145 1005
1146 $self 1006 $self
1147} 1007}
1148 1008
1009=item $pl->quit_character
1010
1011Nukes the player without looking back. If logged in, the connection will
1012be destroyed. May block for a long time.
1013
1014=cut
1015
1016sub quit_character {
1017 my ($pl) = @_;
1018
1019 $pl->{deny_save} = 1;
1020 $pl->password ("*"); # this should lock out the player until we nuked the dir
1021
1022 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1023 $pl->deactivate;
1024 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1025 $pl->ns->destroy if $pl->ns;
1026
1027 my $path = playerdir $pl;
1028 my $temp = "$path~$cf::RUNTIME~deleting~";
1029 aio_rename $path, $temp;
1030 delete $cf::PLAYER{$pl->ob->name};
1031 $pl->destroy;
1032 IO::AIO::aio_rmtree $temp;
1033}
1034
1035=item cf::player::list_logins
1036
1037Returns am arrayref of all valid playernames in the system, can take a
1038while and may block, so not sync_job-capable, ever.
1039
1040=cut
1041
1042sub list_logins {
1043 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1044 or return [];
1045
1046 my @logins;
1047
1048 for my $login (@$dirs) {
1049 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1050 aio_read $fh, 0, 512, my $buf, 0 or next;
1051 $buf !~ /^password -------------$/m or next; # official not-valid tag
1052
1053 utf8::decode $login;
1054 push @logins, $login;
1055 }
1056
1057 \@logins
1058}
1059
1060=item $player->maps
1061
1062Returns an arrayref of map paths that are private for this
1063player. May block.
1064
1065=cut
1066
1067sub maps($) {
1068 my ($pl) = @_;
1069
1070 my $files = aio_readdir playerdir $pl
1071 or return;
1072
1073 my @paths;
1074
1075 for (@$files) {
1076 utf8::decode $_;
1077 next if /\.(?:pl|pst)$/;
1078 next unless /^$PATH_SEP/o;
1079
1080 s/\.map$//;
1081 push @paths, "~" . $pl->ob->name . "/" . $_;
1082 }
1083
1084 \@paths
1085}
1086
1149=item $player->ext_reply ($msgid, $msgtype, %msg) 1087=item $player->ext_reply ($msgid, $msgtype, %msg)
1150 1088
1151Sends an ext reply to the player. 1089Sends an ext reply to the player.
1152 1090
1153=cut 1091=cut
1174package cf::map; 1112package cf::map;
1175 1113
1176use Fcntl; 1114use Fcntl;
1177use Coro::AIO; 1115use Coro::AIO;
1178 1116
1117use overload
1118 '""' => \&as_string;
1119
1179our $MAX_RESET = 3600; 1120our $MAX_RESET = 3600;
1180our $DEFAULT_RESET = 3000; 1121our $DEFAULT_RESET = 3000;
1181 1122
1182sub generate_random_map { 1123sub generate_random_map {
1183 my ($path, $rmp) = @_; 1124 my ($self, $rmp) = @_;
1184 1125
1185 # mit "rum" bekleckern, nicht 1126 # mit "rum" bekleckern, nicht
1186 cf::map::_create_random_map 1127 $self->_create_random_map (
1187 $path,
1188 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1128 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1189 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1129 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1190 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1130 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1191 $rmp->{exit_on_final_map}, 1131 $rmp->{exit_on_final_map},
1192 $rmp->{xsize}, $rmp->{ysize}, 1132 $rmp->{xsize}, $rmp->{ysize},
1193 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1133 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1194 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1134 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1195 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1135 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1196 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1136 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1197 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1198 (cf::region::find $rmp->{region}) 1138 (cf::region::find $rmp->{region}), $rmp->{custom}
1139 )
1140}
1141
1142sub register {
1143 my (undef, $regex) = @_;
1144 my $pkg = caller;
1145
1146 no strict;
1147 push @{"$pkg\::ISA"}, __PACKAGE__;
1148
1149 $EXT_MAP{$pkg} = qr<$regex>;
1150}
1151
1152# also paths starting with '/'
1153$EXT_MAP{"cf::map"} = qr{^(?=/)};
1154
1155sub thawer_merge {
1156 # we have to keep some variables in memory intact
1157 local $_[0]{path};
1158 local $_[0]{deny_save};
1159 local $_[0]{deny_reset};
1160
1161 $_[0]->SUPER::thawer_merge ($_[1]);
1162}
1163
1164sub normalise {
1165 my ($path, $base) = @_;
1166
1167 # map plan:
1168 #
1169 # /! non-realised random map exit (special hack!)
1170 # {... are special paths that are not being touched
1171 # ?xxx/... are special absolute paths
1172 # ?random/... random maps
1173 # /... normal maps
1174 # ~user/... per-player map of a specific user
1175
1176 $path =~ s/$PATH_SEP/\//go;
1177
1178 # treat it as relative path if it starts with
1179 # something that looks reasonable
1180 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1181 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1182
1183 $base =~ s{[^/]+/?$}{};
1184 $path = "$base/$path";
1185 }
1186
1187 for ($path) {
1188 redo if s{//}{/};
1189 redo if s{/\.?/}{/};
1190 redo if s{/[^/]+/\.\./}{/};
1191 }
1192
1193 $path
1194}
1195
1196sub new_from_path {
1197 my (undef, $path, $base) = @_;
1198
1199 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1200
1201 $path = normalise $path, $base;
1202
1203 for my $pkg (keys %EXT_MAP) {
1204 if ($path =~ $EXT_MAP{$pkg}) {
1205 my $self = bless cf::map::new, $pkg;
1206 $self->{path} = $path; $self->path ($path);
1207 $self->init; # pass $1 etc.
1208 return $self;
1209 }
1210 }
1211
1212 Carp::carp "unable to resolve path '$path'.";
1213 ()
1214}
1215
1216sub init {
1217 my ($self) = @_;
1218
1219 $self
1220}
1221
1222sub as_string {
1223 my ($self) = @_;
1224
1225 "$self->{path}"
1226}
1227
1228# the displayed name, this is a one way mapping
1229sub visible_name {
1230 &as_string
1231}
1232
1233# the original (read-only) location
1234sub load_path {
1235 my ($self) = @_;
1236
1237 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1238}
1239
1240# the temporary/swap location
1241sub save_path {
1242 my ($self) = @_;
1243
1244 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1245 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1246}
1247
1248# the unique path, undef == no special unique path
1249sub uniq_path {
1250 my ($self) = @_;
1251
1252 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1253 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1199} 1254}
1200 1255
1201# and all this just because we cannot iterate over 1256# and all this just because we cannot iterate over
1202# all maps in C++... 1257# all maps in C++...
1203sub change_all_map_light { 1258sub change_all_map_light {
1205 1260
1206 $_->change_map_light ($change) 1261 $_->change_map_light ($change)
1207 for grep $_->outdoor, values %cf::MAP; 1262 for grep $_->outdoor, values %cf::MAP;
1208} 1263}
1209 1264
1265sub unlink_save {
1266 my ($self) = @_;
1267
1268 utf8::encode (my $save = $self->save_path);
1269 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1270 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1271}
1272
1210sub try_load_header($) { 1273sub load_header_from($) {
1211 my ($path) = @_; 1274 my ($self, $path) = @_;
1212 1275
1213 utf8::encode $path; 1276 utf8::encode $path;
1214 aio_open $path, O_RDONLY, 0 1277 aio_open $path, O_RDONLY, 0
1215 or return; 1278 or return;
1216 1279
1217 my $map = cf::map::new 1280 $self->_load_header ($path)
1218 or return; 1281 or return;
1219 1282
1220 # for better error messages only, will be overwritten 1283 $self->{load_path} = $path;
1221 $map->path ($path);
1222 1284
1223 $map->load_header ($path) 1285 1
1286}
1287
1288sub load_orig {
1289 my ($self) = @_;
1290
1291 $self->load_header_from ($self->load_path)
1292}
1293
1294sub load_temp {
1295 my ($self) = @_;
1296
1297 $self->load_header_from ($self->save_path)
1298}
1299
1300sub load_header {
1301 my ($self) = @_;
1302
1303 if ($self->load_temp) {
1304 $self->last_access ((delete $self->{last_access})
1305 || $cf::RUNTIME); #d#
1306 # safety
1307 $self->{instantiate_time} = $cf::RUNTIME
1308 if $self->{instantiate_time} > $cf::RUNTIME;
1309 } else {
1310 $self->load_orig
1224 or return; 1311 or return;
1225 1312
1226 $map->{load_path} = $path; 1313 $self->{load_original} = 1;
1314 $self->{instantiate_time} = $cf::RUNTIME;
1315 $self->last_access ($cf::RUNTIME);
1316 $self->instantiate;
1317 }
1227 1318
1228 $map 1319 1
1229} 1320}
1230 1321
1231sub find; 1322sub find;
1232sub find { 1323sub find {
1233 my ($path, $origin) = @_; 1324 my ($path, $origin) = @_;
1234 1325
1235 #warn "find<$path,$origin>\n";#d#
1236
1237 $path = new cf::path $path, $origin && $origin->path; 1326 $path = normalise $path, $origin && $origin->path;
1238 my $key = $path->as_string;
1239 1327
1240 cf::lock_wait "map_find:$key"; 1328 cf::lock_wait "map_find:$path";
1241 1329
1242 $cf::MAP{$key} || do { 1330 $cf::MAP{$path} || do {
1243 my $guard = cf::lock_acquire "map_find:$key"; 1331 my $guard = cf::lock_acquire "map_find:$path";
1244 1332 my $map = new_from_path cf::map $path
1245 # do it the slow way
1246 my $map = try_load_header $path->save_path;
1247
1248 Coro::cede;
1249
1250 if ($map) {
1251 $map->last_access ((delete $map->{last_access})
1252 || $cf::RUNTIME); #d#
1253 # safety
1254 $map->{instantiate_time} = $cf::RUNTIME
1255 if $map->{instantiate_time} > $cf::RUNTIME;
1256 } else {
1257 if (my $rmp = $path->random_map_params) {
1258 $map = generate_random_map $key, $rmp;
1259 } else {
1260 $map = try_load_header $path->load_path;
1261 }
1262
1263 $map or return; 1333 or return;
1264 1334
1265 $map->{load_original} = 1;
1266 $map->{instantiate_time} = $cf::RUNTIME;
1267 $map->last_access ($cf::RUNTIME);
1268 $map->instantiate;
1269
1270 # per-player maps become, after loading, normal maps
1271 $map->per_player (0) if $path->{user_rel};
1272 }
1273
1274 $map->path ($key);
1275 $map->{path} = $path;
1276 $map->{last_save} = $cf::RUNTIME; 1335 $map->{last_save} = $cf::RUNTIME;
1277 1336
1278 Coro::cede; 1337 $map->load_header
1338 or return;
1279 1339
1280 if ($map->should_reset) { 1340 if ($map->should_reset) {
1341 $cf::WAIT_FOR_TICK->wait;
1281 $map->reset; 1342 $map->reset;
1282 undef $guard; 1343 undef $guard;
1283 $map = find $path 1344 $map = find $path
1284 or return; 1345 or return;
1285 } 1346 }
1286 1347
1287 $cf::MAP{$key} = $map 1348 $cf::MAP{$path} = $map
1288 } 1349 }
1289} 1350}
1290 1351
1291sub load { 1352sub load {
1292 my ($self) = @_; 1353 my ($self) = @_;
1293 1354
1294 my $path = $self->{path}; 1355 my $path = $self->{path};
1295 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1356 my $guard = cf::lock_acquire "map_load:$path";
1296 1357
1297 return if $self->in_memory != cf::MAP_SWAPPED; 1358 return if $self->in_memory != cf::MAP_SWAPPED;
1298 1359
1299 $self->in_memory (cf::MAP_LOADING); 1360 $self->in_memory (cf::MAP_LOADING);
1300 1361
1301 $self->alloc; 1362 $self->alloc;
1302 $self->load_objects ($self->{load_path}, 1) 1363 $self->_load_objects ($self->{load_path}, 1)
1303 or return; 1364 or return;
1304 1365
1305 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1366 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1306 if delete $self->{load_original}; 1367 if delete $self->{load_original};
1307 1368
1308 if (my $uniq = $path->uniq_path) { 1369 if (my $uniq = $self->uniq_path) {
1309 utf8::encode $uniq; 1370 utf8::encode $uniq;
1310 if (aio_open $uniq, O_RDONLY, 0) { 1371 if (aio_open $uniq, O_RDONLY, 0) {
1311 $self->clear_unique_items; 1372 $self->clear_unique_items;
1312 $self->load_objects ($uniq, 0); 1373 $self->_load_objects ($uniq, 0);
1313 } 1374 }
1314 } 1375 }
1315 1376
1316 Coro::cede; 1377 Coro::cede;
1317 1378
1318 # now do the right thing for maps 1379 # now do the right thing for maps
1319 $self->link_multipart_objects; 1380 $self->link_multipart_objects;
1320 1381
1321 if ($self->{path}->is_style_map) { 1382 unless ($self->{deny_activate}) {
1322 $self->{deny_save} = 1; 1383 $self->decay_objects;
1323 $self->{deny_reset} = 1;
1324 } else {
1325 $self->fix_auto_apply; 1384 $self->fix_auto_apply;
1326 $self->decay_objects;
1327 $self->update_buttons; 1385 $self->update_buttons;
1386 Coro::cede;
1328 $self->set_darkness_map; 1387 $self->set_darkness_map;
1329 $self->difficulty ($self->estimate_difficulty) 1388 $self->difficulty ($self->estimate_difficulty)
1330 unless $self->difficulty; 1389 unless $self->difficulty;
1390 Coro::cede;
1331 $self->activate; 1391 $self->activate;
1332 } 1392 }
1333 1393
1334 Coro::cede;
1335
1336 $self->in_memory (cf::MAP_IN_MEMORY); 1394 $self->in_memory (cf::MAP_IN_MEMORY);
1395}
1396
1397sub customise_for {
1398 my ($self, $ob) = @_;
1399
1400 return find "~" . $ob->name . "/" . $self->{path}
1401 if $self->per_player;
1402
1403 $self
1404}
1405
1406# find and load all maps in the 3x3 area around a map
1407sub load_diag {
1408 my ($map) = @_;
1409
1410 my @diag; # diagonal neighbours
1411
1412 for (0 .. 3) {
1413 my $neigh = $map->tile_path ($_)
1414 or next;
1415 $neigh = find $neigh, $map
1416 or next;
1417 $neigh->load;
1418
1419 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1420 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1421 }
1422
1423 for (@diag) {
1424 my $neigh = find @$_
1425 or next;
1426 $neigh->load;
1427 }
1337} 1428}
1338 1429
1339sub find_sync { 1430sub find_sync {
1340 my ($path, $origin) = @_; 1431 my ($path, $origin) = @_;
1341 1432
1342 cf::sync_job { cf::map::find $path, $origin } 1433 cf::sync_job { find $path, $origin }
1343} 1434}
1344 1435
1345sub do_load_sync { 1436sub do_load_sync {
1346 my ($map) = @_; 1437 my ($map) = @_;
1347 1438
1348 cf::sync_job { $map->load }; 1439 cf::sync_job { $map->load };
1349} 1440}
1350 1441
1442our %MAP_PREFETCH;
1443our $MAP_PREFETCHER = Coro::async {
1444 while () {
1445 for my $path (keys %MAP_PREFETCH) {
1446 my $map = find $path
1447 or next;
1448 $map->load;
1449
1450 delete $MAP_PREFETCH{$path};
1451 }
1452 Coro::schedule;
1453 }
1454};
1455
1456sub find_async {
1457 my ($path, $origin) = @_;
1458
1459 $path = normalise $path, $origin && $origin->{path};
1460
1461 if (my $map = $cf::MAP{$path}) {
1462 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1463 }
1464
1465 $MAP_PREFETCH{$path} = 0;
1466 $MAP_PREFETCHER->ready;
1467
1468 ()
1469}
1470
1351sub save { 1471sub save {
1352 my ($self) = @_; 1472 my ($self) = @_;
1353 1473
1354 my $lock = cf::lock_acquire "map_data:" . $self->path; 1474 my $lock = cf::lock_acquire "map_data:" . $self->path;
1355 1475
1356 $self->{last_save} = $cf::RUNTIME; 1476 $self->{last_save} = $cf::RUNTIME;
1357 1477
1358 return unless $self->dirty; 1478 return unless $self->dirty;
1359 1479
1360 my $save = $self->{path}->save_path; utf8::encode $save; 1480 my $save = $self->save_path; utf8::encode $save;
1361 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1481 my $uniq = $self->uniq_path; utf8::encode $uniq;
1362 1482
1363 $self->{load_path} = $save; 1483 $self->{load_path} = $save;
1364 1484
1365 return if $self->{deny_save}; 1485 return if $self->{deny_save};
1366 1486
1369 cf::async { 1489 cf::async {
1370 $_->contr->save for $self->players; 1490 $_->contr->save for $self->players;
1371 }; 1491 };
1372 1492
1373 if ($uniq) { 1493 if ($uniq) {
1374 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1494 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1375 $self->save_objects ($uniq, cf::IO_UNIQUES); 1495 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1376 } else { 1496 } else {
1377 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1497 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1378 } 1498 }
1379} 1499}
1380 1500
1381sub swap_out { 1501sub swap_out {
1382 my ($self) = @_; 1502 my ($self) = @_;
1396 1516
1397sub reset_at { 1517sub reset_at {
1398 my ($self) = @_; 1518 my ($self) = @_;
1399 1519
1400 # TODO: safety, remove and allow resettable per-player maps 1520 # TODO: safety, remove and allow resettable per-player maps
1401 return 1e99 if $self->{path}{user_rel}; 1521 return 1e99 if $self->isa ("ext::map_per_player");#d#
1402 return 1e99 if $self->{deny_reset}; 1522 return 1e99 if $self->{deny_reset};
1403 1523
1404 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1524 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1405 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1525 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1406 1526
1411 my ($self) = @_; 1531 my ($self) = @_;
1412 1532
1413 $self->reset_at <= $cf::RUNTIME 1533 $self->reset_at <= $cf::RUNTIME
1414} 1534}
1415 1535
1416sub unlink_save {
1417 my ($self) = @_;
1418
1419 utf8::encode (my $save = $self->{path}->save_path);
1420 aioreq_pri 3; IO::AIO::aio_unlink $save;
1421 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1422}
1423
1424sub rename { 1536sub rename {
1425 my ($self, $new_path) = @_; 1537 my ($self, $new_path) = @_;
1426 1538
1539 normalise $new_path;
1540
1427 $self->unlink_save; 1541 $self->unlink_save;
1428 1542
1429 delete $cf::MAP{$self->path}; 1543 delete $cf::MAP{$self->path};
1430 $self->{path} = new cf::path $new_path; 1544 $self->{path} = $new_path; $self->path ($self->{path});
1431 $self->path ($self->{path}->as_string);
1432 $cf::MAP{$self->path} = $self; 1545 $cf::MAP{$self->path} = $self;
1433 1546
1434 $self->save; 1547 $self->save;
1435} 1548}
1436 1549
1437sub reset { 1550sub reset {
1438 my ($self) = @_; 1551 my ($self) = @_;
1439 1552
1440 my $lock = cf::lock_acquire "map_data:" . $self->path; 1553 my $lock = cf::lock_acquire "map_data:$self->{path}";
1441 1554
1442 return if $self->players; 1555 return if $self->players;
1443 return if $self->{path}{user_rel};#d# 1556 return if $self->isa ("ext::map_per_player");#d#
1444 1557
1445 warn "resetting map ", $self->path;#d# 1558 warn "resetting map ", $self->path;#d#
1446 1559
1447 delete $cf::MAP{$self->path}; 1560 delete $cf::MAP{$self->path};
1561
1562 $self->in_memory (cf::MAP_SWAPPED);
1563 $self->clear;
1448 1564
1449 $_->clear_links_to ($self) for values %cf::MAP; 1565 $_->clear_links_to ($self) for values %cf::MAP;
1450 1566
1451 $self->unlink_save; 1567 $self->unlink_save;
1452 $self->destroy; 1568 $self->destroy;
1461 $self->reset_timeout (1); 1577 $self->reset_timeout (1);
1462 $self->rename ("{nuke}/" . ($nuke_counter++)); 1578 $self->rename ("{nuke}/" . ($nuke_counter++));
1463 $self->reset; # polite request, might not happen 1579 $self->reset; # polite request, might not happen
1464} 1580}
1465 1581
1466sub customise_for { 1582=item cf::map::unique_maps
1467 my ($map, $ob) = @_;
1468 1583
1469 if ($map->per_player) { 1584Returns an arrayref of paths of all shared maps that have
1470 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1585instantiated unique items. May block.
1471 }
1472 1586
1473 $map 1587=cut
1474}
1475 1588
1476sub emergency_save { 1589sub unique_maps() {
1477 my $freeze_guard = cf::freeze_mainloop; 1590 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1591 or return;
1478 1592
1479 warn "enter emergency perl save\n"; 1593 my @paths;
1480 1594
1481 cf::sync_job { 1595 for (@$files) {
1482 warn "begin emergency player save\n"; 1596 utf8::decode $_;
1483 $_->save for values %cf::PLAYER; 1597 next if /\.pst$/;
1484 warn "end emergency player save\n"; 1598 next unless /^$PATH_SEP/o;
1485 1599
1486 warn "begin emergency map save\n"; 1600 s/\.map$//;
1487 $_->save for values %cf::MAP; 1601 push @paths, $_;
1488 warn "end emergency map save\n";
1489 }; 1602 }
1490 1603
1491 warn "leave emergency perl save\n"; 1604 \@paths
1492} 1605}
1493 1606
1494package cf; 1607package cf;
1495 1608
1496=back 1609=back
1497 1610
1611=head3 cf::object
1612
1613=cut
1614
1615package cf::object;
1616
1617=over 4
1618
1619=item $ob->inv_recursive
1620
1621Returns the inventory of the object _and_ their inventories, recursively.
1622
1623=cut
1624
1625sub inv_recursive_;
1626sub inv_recursive_ {
1627 map { $_, inv_recursive_ $_->inv } @_
1628}
1629
1630sub inv_recursive {
1631 inv_recursive_ inv $_[0]
1632}
1633
1634package cf;
1635
1636=back
1498 1637
1499=head3 cf::object::player 1638=head3 cf::object::player
1500 1639
1501=over 4 1640=over 4
1502 1641
1542 1681
1543=item $player_object->enter_link 1682=item $player_object->enter_link
1544 1683
1545Freezes the player and moves him/her to a special map (C<{link}>). 1684Freezes the player and moves him/her to a special map (C<{link}>).
1546 1685
1547The player should be reaosnably safe there for short amounts of time. You 1686The player should be reasonably safe there for short amounts of time. You
1548I<MUST> call C<leave_link> as soon as possible, though. 1687I<MUST> call C<leave_link> as soon as possible, though.
1549 1688
1689Will never block.
1690
1550=item $player_object->leave_link ($map, $x, $y) 1691=item $player_object->leave_link ($map, $x, $y)
1551 1692
1552Moves the player out of the specila link map onto the given map. If the 1693Moves the player out of the special C<{link}> map onto the specified
1553map is not valid (or omitted), the player will be moved back to the 1694map. If the map is not valid (or omitted), the player will be moved back
1554location he/she was before the call to C<enter_link>, or, if that fails, 1695to the location he/she was before the call to C<enter_link>, or, if that
1555to the emergency map position. 1696fails, to the emergency map position.
1556 1697
1557Might block. 1698Might block.
1558 1699
1559=cut 1700=cut
1701
1702sub link_map {
1703 unless ($LINK_MAP) {
1704 $LINK_MAP = cf::map::find "{link}"
1705 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1706 $LINK_MAP->load;
1707 }
1708
1709 $LINK_MAP
1710}
1560 1711
1561sub cf::object::player::enter_link { 1712sub cf::object::player::enter_link {
1562 my ($self) = @_; 1713 my ($self) = @_;
1563 1714
1564 $self->deactivate_recursive; 1715 $self->deactivate_recursive;
1565 1716
1566 return if $self->map == $LINK_MAP; 1717 return if UNIVERSAL::isa $self->map, "ext::map_link";
1567 1718
1568 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1719 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1569 if $self->map; 1720 if $self->map;
1570 1721
1571 $self->enter_map ($LINK_MAP, 20, 20); 1722 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1572} 1723}
1573 1724
1574sub cf::object::player::leave_link { 1725sub cf::object::player::leave_link {
1575 my ($self, $map, $x, $y) = @_; 1726 my ($self, $map, $x, $y) = @_;
1576 1727
1594 # use -1 or undef as default coordinates, not 0, 0 1745 # use -1 or undef as default coordinates, not 0, 0
1595 ($x, $y) = ($map->enter_x, $map->enter_y) 1746 ($x, $y) = ($map->enter_x, $map->enter_y)
1596 if $x <=0 && $y <= 0; 1747 if $x <=0 && $y <= 0;
1597 1748
1598 $map->load; 1749 $map->load;
1750 $map->load_diag;
1599 1751
1600 return unless $self->contr->active; 1752 return unless $self->contr->active;
1601 $self->activate_recursive; 1753 $self->activate_recursive;
1602 $self->enter_map ($map, $x, $y); 1754 $self->enter_map ($map, $x, $y);
1603} 1755}
1642 my ($self, $path, $x, $y) = @_; 1794 my ($self, $path, $x, $y) = @_;
1643 1795
1644 $self->enter_link; 1796 $self->enter_link;
1645 1797
1646 (async { 1798 (async {
1647 $path = new cf::path $path;
1648
1649 my $map = cf::map::find $path->as_string; 1799 my $map = cf::map::find $path;
1650 $map = $map->customise_for ($self) if $map; 1800 $map = $map->customise_for ($self) if $map;
1651 1801
1652# warn "entering ", $map->path, " at ($x, $y)\n" 1802# warn "entering ", $map->path, " at ($x, $y)\n"
1653# if $map; 1803# if $map;
1654 1804
1655 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1805 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1656 1806
1657 $self->leave_link ($map, $x, $y); 1807 $self->leave_link ($map, $x, $y);
1658 })->prio (1); 1808 })->prio (1);
1659} 1809}
1660 1810
1719 $self->deactivate_recursive; # just to be sure 1869 $self->deactivate_recursive; # just to be sure
1720 unless (eval { 1870 unless (eval {
1721 prepare_random_map $exit 1871 prepare_random_map $exit
1722 if $exit->slaying eq "/!"; 1872 if $exit->slaying eq "/!";
1723 1873
1724 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1874 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1725 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1875 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1726 1876
1727 1; 1877 1;
1728 }) { 1878 }) {
1729 $self->message ("Something went wrong deep within the crossfire server. " 1879 $self->message ("Something went wrong deep within the crossfire server. "
1730 . "I'll try to bring you back to the map you were before. " 1880 . "I'll try to bring you back to the map you were before. "
1731 . "Please report this to the dungeon master", 1881 . "Please report this to the dungeon master!",
1732 cf::NDI_UNIQUE | cf::NDI_RED); 1882 cf::NDI_UNIQUE | cf::NDI_RED);
1733 1883
1734 warn "ERROR in enter_exit: $@"; 1884 warn "ERROR in enter_exit: $@";
1735 $self->leave_link; 1885 $self->leave_link;
1736 } 1886 }
2068 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2218 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2069 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2219 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2070 2220
2071 if (exists $CFG{mlockall}) { 2221 if (exists $CFG{mlockall}) {
2072 eval { 2222 eval {
2073 $CFG{mlockall} ? &mlockall : &munlockall 2223 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2074 and die "WARNING: m(un)lockall failed: $!\n"; 2224 and die "WARNING: m(un)lockall failed: $!\n";
2075 }; 2225 };
2076 warn $@ if $@; 2226 warn $@ if $@;
2077 } 2227 }
2078} 2228}
2089 load_extensions; 2239 load_extensions;
2090 Event::loop; 2240 Event::loop;
2091} 2241}
2092 2242
2093############################################################################# 2243#############################################################################
2094# initialisation 2244# initialisation and cleanup
2245
2246# install some emergency cleanup handlers
2247BEGIN {
2248 for my $signal (qw(INT HUP TERM)) {
2249 Event->signal (
2250 data => WF_AUTOCANCEL,
2251 signal => $signal,
2252 cb => sub {
2253 cf::cleanup "SIG$signal";
2254 },
2255 );
2256 }
2257}
2258
2259sub emergency_save() {
2260 my $freeze_guard = cf::freeze_mainloop;
2261
2262 warn "enter emergency perl save\n";
2263
2264 cf::sync_job {
2265 # use a peculiar iteration method to avoid tripping on perl
2266 # refcount bugs in for. also avoids problems with players
2267 # and maps saved/destroyed asynchronously.
2268 warn "begin emergency player save\n";
2269 for my $login (keys %cf::PLAYER) {
2270 my $pl = $cf::PLAYER{$login} or next;
2271 $pl->valid or next;
2272 $pl->save;
2273 }
2274 warn "end emergency player save\n";
2275
2276 warn "begin emergency map save\n";
2277 for my $path (keys %cf::MAP) {
2278 my $map = $cf::MAP{$path} or next;
2279 $map->valid or next;
2280 $map->save;
2281 }
2282 warn "end emergency map save\n";
2283 };
2284
2285 warn "leave emergency perl save\n";
2286}
2095 2287
2096sub reload() { 2288sub reload() {
2097 # can/must only be called in main 2289 # can/must only be called in main
2098 if ($Coro::current != $Coro::main) { 2290 if ($Coro::current != $Coro::main) {
2099 warn "can only reload from main coroutine\n"; 2291 warn "can only reload from main coroutine\n";
2100 return; 2292 return;
2101 } 2293 }
2102 2294
2103 warn "reloading..."; 2295 warn "reloading...";
2104 2296
2297 warn "freezing server";
2105 my $guard = freeze_mainloop; 2298 my $guard = freeze_mainloop;
2106 cf::emergency_save; 2299 cf::emergency_save;
2107 2300
2301 warn "sync database to disk";
2302 cf::db_sync;
2303 IO::AIO::flush;
2304
2108 eval { 2305 eval {
2109 # if anything goes wrong in here, we should simply crash as we already saved 2306 # if anything goes wrong in here, we should simply crash as we already saved
2110 2307
2111 # cancel all watchers 2308 warn "cancel all watchers";
2112 for (Event::all_watchers) { 2309 for (Event::all_watchers) {
2113 $_->cancel if $_->data & WF_AUTOCANCEL; 2310 $_->cancel if $_->data & WF_AUTOCANCEL;
2114 } 2311 }
2115 2312
2116 # cancel all extension coros 2313 warn "cancel all extension coros";
2117 $_->cancel for values %EXT_CORO; 2314 $_->cancel for values %EXT_CORO;
2118 %EXT_CORO = (); 2315 %EXT_CORO = ();
2119 2316
2317 warn "remove commands";
2318 %COMMAND = ();
2319
2320 warn "remove ext commands";
2321 %EXTCMD = ();
2322
2120 # unload all extensions 2323 warn "unload/nuke all extensions";
2121 for (@exts) { 2324 for my $pkg (@EXTS) {
2122 warn "unloading <$_>"; 2325 warn "... unloading $pkg";
2123 unload_extension $_; 2326
2327 if (my $cb = $pkg->can ("unload")) {
2328 eval {
2329 $cb->($pkg);
2330 1
2331 } or warn "$pkg unloaded, but with errors: $@";
2124 } 2332 }
2125 2333
2334 warn "... nuking $pkg";
2335 Symbol::delete_package $pkg;
2336 }
2337
2126 # unload all modules loaded from $LIBDIR 2338 warn "unload all perl modules loaded from $LIBDIR";
2127 while (my ($k, $v) = each %INC) { 2339 while (my ($k, $v) = each %INC) {
2128 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2340 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2129 2341
2130 warn "removing <$k>"; 2342 warn "removing <$k>";
2131 delete $INC{$k}; 2343 delete $INC{$k};
2138 } 2350 }
2139 2351
2140 Symbol::delete_package $k; 2352 Symbol::delete_package $k;
2141 } 2353 }
2142 2354
2143 # sync database to disk
2144 cf::db_sync;
2145 IO::AIO::flush;
2146
2147 # get rid of safe::, as good as possible 2355 warn "get rid of safe::, as good as possible";
2148 Symbol::delete_package "safe::$_" 2356 Symbol::delete_package "safe::$_"
2149 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2357 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2150 2358
2151 # remove register_script_function callbacks
2152 # TODO
2153
2154 # unload cf.pm "a bit" 2359 warn "unload cf.pm \"a bit\"";
2155 delete $INC{"cf.pm"}; 2360 delete $INC{"cf.pm"};
2156 2361
2157 # don't, removes xs symbols, too, 2362 # don't, removes xs symbols, too,
2158 # and global variables created in xs 2363 # and global variables created in xs
2159 #Symbol::delete_package __PACKAGE__; 2364 #Symbol::delete_package __PACKAGE__;
2160 2365
2161 # reload cf.pm
2162 warn "reloading cf.pm"; 2366 warn "reloading cf.pm";
2163 require cf; 2367 require cf;
2164 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2368 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2165 2369
2166 # load config and database again 2370 warn "load config and database again";
2167 cf::cfg_load; 2371 cf::cfg_load;
2168 cf::db_load; 2372 cf::db_load;
2169 2373
2170 # load extensions
2171 warn "load extensions"; 2374 warn "load extensions";
2172 cf::load_extensions; 2375 cf::load_extensions;
2173 2376
2174 # reattach attachments to objects 2377 warn "reattach attachments to objects/players";
2175 warn "reattach";
2176 _global_reattach; 2378 _global_reattach;
2379 warn "reattach attachments to maps";
2177 reattach $_ for values %MAP; 2380 reattach $_ for values %MAP;
2178 }; 2381 };
2179 2382
2180 if ($@) { 2383 if ($@) {
2181 warn $@; 2384 warn $@;
2182 warn "error while reloading, exiting."; 2385 warn "error while reloading, exiting.";
2183 exit 1; 2386 exit 1;
2184 } 2387 }
2185 2388
2186 warn "reloaded successfully"; 2389 warn "reloaded";
2187}; 2390};
2188
2189#############################################################################
2190
2191unless ($LINK_MAP) {
2192 $LINK_MAP = cf::map::new;
2193
2194 $LINK_MAP->width (41);
2195 $LINK_MAP->height (41);
2196 $LINK_MAP->alloc;
2197 $LINK_MAP->path ("{link}");
2198 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2199 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2200
2201 # dirty hack because... archetypes are not yet loaded
2202 Event->timer (
2203 after => 10,
2204 cb => sub {
2205 $_[0]->w->cancel;
2206
2207 # provide some exits "home"
2208 my $exit = cf::object::new "exit";
2209
2210 $exit->slaying ($EMERGENCY_POSITION->[0]);
2211 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2212 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2213
2214 $LINK_MAP->insert ($exit->clone, 19, 19);
2215 $LINK_MAP->insert ($exit->clone, 19, 20);
2216 $LINK_MAP->insert ($exit->clone, 19, 21);
2217 $LINK_MAP->insert ($exit->clone, 20, 19);
2218 $LINK_MAP->insert ($exit->clone, 20, 21);
2219 $LINK_MAP->insert ($exit->clone, 21, 19);
2220 $LINK_MAP->insert ($exit->clone, 21, 20);
2221 $LINK_MAP->insert ($exit->clone, 21, 21);
2222
2223 $exit->destroy;
2224 });
2225
2226 $LINK_MAP->{deny_save} = 1;
2227 $LINK_MAP->{deny_reset} = 1;
2228
2229 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2230}
2231
2232register "<global>", __PACKAGE__;
2233 2391
2234register_command "reload" => sub { 2392register_command "reload" => sub {
2235 my ($who, $arg) = @_; 2393 my ($who, $arg) = @_;
2236 2394
2237 if ($who->flag (FLAG_WIZ)) { 2395 if ($who->flag (FLAG_WIZ)) {
2247 reentrant => 0, 2405 reentrant => 0,
2248 prio => 0, 2406 prio => 0,
2249 at => $NEXT_TICK || $TICK, 2407 at => $NEXT_TICK || $TICK,
2250 data => WF_AUTOCANCEL, 2408 data => WF_AUTOCANCEL,
2251 cb => sub { 2409 cb => sub {
2410 $NOW = Event::time;
2411
2252 cf::server_tick; # one server iteration 2412 cf::server_tick; # one server iteration
2253 $RUNTIME += $TICK; 2413 $RUNTIME += $TICK;
2254 $NEXT_TICK += $TICK; 2414 $NEXT_TICK += $TICK;
2415
2416 $WAIT_FOR_TICK->broadcast;
2417 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2255 2418
2256 # if we are delayed by four ticks or more, skip them all 2419 # if we are delayed by four ticks or more, skip them all
2257 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2420 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2258 2421
2259 $TICK_WATCHER->at ($NEXT_TICK); 2422 $TICK_WATCHER->at ($NEXT_TICK);
2261 }, 2424 },
2262); 2425);
2263 2426
2264IO::AIO::max_poll_time $TICK * 0.2; 2427IO::AIO::max_poll_time $TICK * 0.2;
2265 2428
2266Event->io ( 2429$AIO_POLL_WATCHER = Event->io (
2267 fd => IO::AIO::poll_fileno, 2430 fd => IO::AIO::poll_fileno,
2268 poll => 'r', 2431 poll => 'r',
2269 prio => 5, 2432 prio => 5,
2270 data => WF_AUTOCANCEL, 2433 data => WF_AUTOCANCEL,
2271 cb => \&IO::AIO::poll_cb, 2434 cb => \&IO::AIO::poll_cb,
2272); 2435);
2273 2436
2274Event->timer ( 2437$WRITE_RUNTIME_WATCHER = Event->timer (
2275 data => WF_AUTOCANCEL, 2438 data => WF_AUTOCANCEL,
2276 after => 0, 2439 after => 0,
2277 interval => 10, 2440 interval => 10,
2278 cb => sub { 2441 cb => sub {
2279 (Coro::unblock_sub { 2442 (Coro::unblock_sub {

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