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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.141 by root, Fri Jan 5 20:08:53 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
59our %PLAYER; # all users
52our %MAP; # all maps 60our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
54our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
55our %EXT_CORO; 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
56 69
57binmode STDOUT; 70binmode STDOUT;
58binmode STDERR; 71binmode STDERR;
59 72
60# read virtual server time, if available 73# read virtual server time, if available
… …
68mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
69mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
70mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
71mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
72 85
73# a special map that is always available
74our $LINK_MAP;
75our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
76 87
77############################################################################# 88#############################################################################
78 89
79=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
… …
104 115
105=item %cf::CFG 116=item %cf::CFG
106 117
107Configuration for the server, loaded from C</etc/crossfire/config>, or 118Configuration for the server, loaded from C</etc/crossfire/config>, or
108from 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.
109 127
110=back 128=back
111 129
112=cut 130=cut
113 131
… …
117 utf8::encode $msg; 135 utf8::encode $msg;
118 136
119 $msg .= "\n" 137 $msg .= "\n"
120 unless $msg =~ /\n$/; 138 unless $msg =~ /\n$/;
121 139
122 LOG llevError, "cfperl: $msg"; 140 LOG llevError, $msg;
123 }; 141 };
124} 142}
125 143
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
… …
145 163
146$Event::DIED = sub { 164$Event::DIED = sub {
147 warn "error in event callback: @_"; 165 warn "error in event callback: @_";
148}; 166};
149 167
150my %ext_pkg;
151my @exts;
152my @hook;
153
154=head2 UTILITY FUNCTIONS 168=head2 UTILITY FUNCTIONS
155 169
156=over 4 170=over 4
157 171
172=item dumpval $ref
173
158=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}
159 194
160use JSON::Syck (); # TODO# replace by JSON::PC once working 195use JSON::Syck (); # TODO# replace by JSON::PC once working
161 196
162=item $ref = cf::from_json $json 197=item $ref = cf::from_json $json
163 198
… …
224} 259}
225 260
226sub freeze_mainloop { 261sub freeze_mainloop {
227 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
228 263
229 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;
230 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
231 $guard 270 $guard
232} 271}
233 272
234=item cf::async { BLOCK } 273=item cf::async { BLOCK }
… …
286 } 325 }
287} 326}
288 327
289=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
290 329
291Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
292extension calling this is being unloaded. 331extension calling this is being unloaded.
293 332
294=cut 333=cut
295 334
296sub async_ext(&) { 335sub async_ext(&) {
… …
329} 368}
330 369
331=back 370=back
332 371
333=cut 372=cut
334
335#############################################################################
336
337package cf::path;
338
339sub new {
340 my ($class, $path, $base) = @_;
341
342 $path = $path->as_string if ref $path;
343
344 my $self = bless { }, $class;
345
346 # {... are special paths that are not touched
347 # ?xxx/... are special absolute paths
348 # ?random/... random maps
349 # /! non-realised random map exit
350 # /... normal maps
351 # ~/... per-player maps without a specific player (DO NOT USE)
352 # ~user/... per-player map of a specific user
353
354 if ($path =~ /^{/) {
355 # fine as it is
356 } elsif ($path =~ s{^\?random/}{}) {
357 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
358 $self->{random} = cf::from_json $data;
359 } else {
360 if ($path =~ s{^~([^/]+)?}{}) {
361 $self->{user_rel} = 1;
362
363 if (defined $1) {
364 $self->{user} = $1;
365 } elsif ($base =~ m{^~([^/]+)/}) {
366 $self->{user} = $1;
367 } else {
368 warn "cannot resolve user-relative path without user <$path,$base>\n";
369 }
370 } elsif ($path =~ /^\//) {
371 # already absolute
372 } else {
373 $base =~ s{[^/]+/?$}{};
374 return $class->new ("$base/$path");
375 }
376
377 for ($path) {
378 redo if s{/\.?/}{/};
379 redo if s{/[^/]+/\.\./}{/};
380 }
381 }
382
383 $self->{path} = $path;
384
385 $self
386}
387
388# the name / primary key / in-game path
389sub as_string {
390 my ($self) = @_;
391
392 $self->{user_rel} ? "~$self->{user}$self->{path}"
393 : $self->{random} ? "?random/$self->{path}"
394 : $self->{path}
395}
396
397# the displayed name, this is a one way mapping
398sub visible_name {
399 my ($self) = @_;
400
401# if (my $rmp = $self->{random}) {
402# # todo: be more intelligent about this
403# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
404# } else {
405 $self->as_string
406# }
407}
408
409# escape the /'s in the path
410sub _escaped_path {
411 # ∕ is U+2215
412 (my $path = $_[0]{path}) =~ s/\//∕/g;
413 $path
414}
415
416# the original (read-only) location
417sub load_path {
418 my ($self) = @_;
419
420 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
421}
422
423# the temporary/swap location
424sub save_path {
425 my ($self) = @_;
426
427 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
428 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
429 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
430}
431
432# the unique path, might be eq to save_path
433sub uniq_path {
434 my ($self) = @_;
435
436 $self->{user_rel} || $self->{random}
437 ? undef
438 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
439}
440
441# return random map parameters, or undef
442sub random_map_params {
443 my ($self) = @_;
444
445 $self->{random}
446}
447
448# this is somewhat ugly, but style maps do need special treatment
449sub is_style_map {
450 $_[0]{path} =~ m{^/styles/}
451}
452
453package cf;
454 373
455############################################################################# 374#############################################################################
456 375
457=head2 ATTACHABLE OBJECTS 376=head2 ATTACHABLE OBJECTS
458 377
… …
584our @CB_TYPE = (); # registry for type (cf-object class) based events 503our @CB_TYPE = (); # registry for type (cf-object class) based events
585our @CB_MAP = (); 504our @CB_MAP = ();
586 505
587my %attachment; 506my %attachment;
588 507
508sub cf::attachable::thawer_merge {
509 # simply override everything except _meta
510 local $_[0]{_meta};
511 %{$_[0]} = %{$_[1]};
512}
513
589sub _attach_cb($$$$) { 514sub _attach_cb($$$$) {
590 my ($registry, $event, $prio, $cb) = @_; 515 my ($registry, $event, $prio, $cb) = @_;
591 516
592 use sort 'stable'; 517 use sort 'stable';
593 518
… …
764# object support 689# object support
765 690
766sub reattach { 691sub reattach {
767 # basically do the same as instantiate, without calling instantiate 692 # basically do the same as instantiate, without calling instantiate
768 my ($obj) = @_; 693 my ($obj) = @_;
694
695 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
769 696
770 my $registry = $obj->registry; 697 my $registry = $obj->registry;
771 698
772 @$registry = (); 699 @$registry = ();
773 700
… …
905=cut 832=cut
906 833
907sub register_extcmd { 834sub register_extcmd {
908 my ($name, $cb) = @_; 835 my ($name, $cb) = @_;
909 836
910 my $caller = caller;
911 #warn "registering extcmd '$name' to '$caller'";
912
913 $EXTCMD{$name} = [$cb, $caller]; 837 $EXTCMD{$name} = $cb;
914} 838}
915 839
916cf::player->attach ( 840cf::player->attach (
917 on_command => sub { 841 on_command => sub {
918 my ($pl, $name, $params) = @_; 842 my ($pl, $name, $params) = @_;
… …
931 855
932 my $msg = eval { from_json $buf }; 856 my $msg = eval { from_json $buf };
933 857
934 if (ref $msg) { 858 if (ref $msg) {
935 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 859 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
936 if (my %reply = $cb->[0]->($pl, $msg)) { 860 if (my %reply = $cb->($pl, $msg)) {
937 $pl->ext_reply ($msg->{msgid}, %reply); 861 $pl->ext_reply ($msg->{msgid}, %reply);
938 } 862 }
939 } 863 }
940 } else { 864 } else {
941 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 865 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
… …
943 867
944 cf::override; 868 cf::override;
945 }, 869 },
946); 870);
947 871
948sub register {
949 my ($base, $pkg) = @_;
950
951 #TODO
952}
953
954sub load_extension { 872sub load_extension {
955 my ($path) = @_; 873 my ($path) = @_;
956 874
957 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 875 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
958 my $base = $1; 876 my $base = $1;
959 my $pkg = $1; 877 my $pkg = $1;
960 $pkg =~ s/[^[:word:]]/_/g; 878 $pkg =~ s/[^[:word:]]/_/g;
961 $pkg = "ext::$pkg"; 879 $pkg = "ext::$pkg";
962 880
963 warn "loading '$path' into '$pkg'\n"; 881 warn "... loading '$path' into '$pkg'\n";
964 882
965 open my $fh, "<:utf8", $path 883 open my $fh, "<:utf8", $path
966 or die "$path: $!"; 884 or die "$path: $!";
967 885
968 my $source = 886 my $source =
969 "package $pkg; use strict; use utf8;\n" 887 "package $pkg; use strict; use utf8;\n"
970 . "#line 1 \"$path\"\n{\n" 888 . "#line 1 \"$path\"\n{\n"
971 . (do { local $/; <$fh> }) 889 . (do { local $/; <$fh> })
972 . "\n};\n1"; 890 . "\n};\n1";
973 891
974 eval $source 892 unless (eval $source) {
975 or die $@ ? "$path: $@\n" 893 my $msg = $@ ? "$path: $@\n"
976 : "extension disabled.\n"; 894 : "extension disabled.\n";
977 895 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
978 push @exts, $pkg; 896 warn $@;
979 $ext_pkg{$base} = $pkg; 897 warn "mandatory extension failed to load, exiting.\n";
980 898 exit 1;
981# no strict 'refs'; 899 }
982# @{"$pkg\::ISA"} = ext::; 900 die $@;
983
984 register $base, $pkg;
985}
986
987sub unload_extension {
988 my ($pkg) = @_;
989
990 warn "removing extension $pkg\n";
991
992 # remove hooks
993 #TODO
994# for my $idx (0 .. $#PLUGIN_EVENT) {
995# delete $hook[$idx]{$pkg};
996# } 901 }
997 902
998 # remove commands 903 push @EXTS, $pkg;
999 for my $name (keys %COMMAND) {
1000 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1001
1002 if (@cb) {
1003 $COMMAND{$name} = \@cb;
1004 } else {
1005 delete $COMMAND{$name};
1006 }
1007 }
1008
1009 # remove extcmds
1010 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1011 delete $EXTCMD{$name};
1012 }
1013
1014 if (my $cb = $pkg->can ("unload")) {
1015 eval {
1016 $cb->($pkg);
1017 1
1018 } or warn "$pkg unloaded, but with errors: $@";
1019 }
1020
1021 Symbol::delete_package $pkg;
1022} 904}
1023 905
1024sub load_extensions { 906sub load_extensions {
1025 for my $ext (<$LIBDIR/*.ext>) { 907 for my $ext (<$LIBDIR/*.ext>) {
1026 next unless -r $ext; 908 next unless -r $ext;
… …
1030 } or warn "$ext not loaded: $@"; 912 } or warn "$ext not loaded: $@";
1031 } 913 }
1032} 914}
1033 915
1034############################################################################# 916#############################################################################
1035# load/save/clean perl data associated with a map
1036
1037*cf::mapsupport::on_clean = sub {
1038 my ($map) = @_;
1039
1040 my $path = $map->tmpname;
1041 defined $path or return;
1042
1043 unlink "$path.pst";
1044};
1045
1046cf::map->attach (prio => -10000, package => cf::mapsupport::);
1047
1048#############################################################################
1049# load/save perl data associated with player->ob objects
1050
1051sub all_objects(@) {
1052 @_, map all_objects ($_->inv), @_
1053}
1054
1055# TODO: compatibility cruft, remove when no longer needed
1056cf::player->attach (
1057 on_load => sub {
1058 my ($pl, $path) = @_;
1059
1060 for my $o (all_objects $pl->ob) {
1061 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1062 $o->set_ob_key_value ("_perl_data");
1063
1064 %$o = %{ Storable::thaw pack "H*", $value };
1065 }
1066 }
1067 },
1068);
1069
1070#############################################################################
1071 917
1072=head2 CORE EXTENSIONS 918=head2 CORE EXTENSIONS
1073 919
1074Functions and methods that extend core crossfire objects. 920Functions and methods that extend core crossfire objects.
1075 921
922=cut
923
924package cf::player;
925
926use Coro::AIO;
927
1076=head3 cf::player 928=head3 cf::player
1077 929
1078=over 4 930=over 4
1079 931
1080=item cf::player::exists $login 932=item cf::player::find $login
1081 933
1082Returns true when the given account exists. 934Returns the given player object, loading it if necessary (might block).
1083 935
1084=cut 936=cut
1085 937
1086sub cf::player::exists($) { 938sub playerdir($) {
1087 cf::player::find $_[0] 939 cf::localdir
1088 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 940 . "/"
941 . cf::playerdir
942 . "/"
943 . (ref $_[0] ? $_[0]->ob->name : $_[0])
944}
945
946sub path($) {
947 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
948
949 (playerdir $login) . "/$login.pl"
950}
951
952sub find_active($) {
953 $cf::PLAYER{$_[0]}
954 and $cf::PLAYER{$_[0]}->active
955 and $cf::PLAYER{$_[0]}
956}
957
958sub exists($) {
959 my ($login) = @_;
960
961 $cf::PLAYER{$login}
962 or cf::sync_job { !aio_stat $login }
963}
964
965sub find($) {
966 return $cf::PLAYER{$_[0]} || do {
967 my $login = $_[0];
968
969 my $guard = cf::lock_acquire "user_find:$login";
970
971 $cf::PLAYER{$_[0]} || do {
972 my $pl = load_pl path $login
973 or return;
974 $cf::PLAYER{$login} = $pl
975 }
976 }
977}
978
979sub save($) {
980 my ($pl) = @_;
981
982 return if $pl->{deny_save};
983
984 my $path = path $pl;
985 my $guard = cf::lock_acquire "user_save:$path";
986
987 return if $pl->{deny_save};
988
989 aio_mkdir playerdir $pl, 0770;
990 $pl->{last_save} = $cf::RUNTIME;
991
992 $pl->save_pl ($path);
993 Coro::cede;
994}
995
996sub new($) {
997 my ($login) = @_;
998
999 my $self = create;
1000
1001 $self->ob->name ($login);
1002 $self->{deny_save} = 1;
1003
1004 $cf::PLAYER{$login} = $self;
1005
1006 $self
1007}
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
1089} 1085}
1090 1086
1091=item $player->ext_reply ($msgid, $msgtype, %msg) 1087=item $player->ext_reply ($msgid, $msgtype, %msg)
1092 1088
1093Sends an ext reply to the player. 1089Sends an ext reply to the player.
1094 1090
1095=cut 1091=cut
1096 1092
1097sub cf::player::ext_reply($$$%) { 1093sub ext_reply($$$%) {
1098 my ($self, $id, %msg) = @_; 1094 my ($self, $id, %msg) = @_;
1099 1095
1100 $msg{msgid} = $id; 1096 $msg{msgid} = $id;
1101 1097
1102 $self->send ("ext " . to_json \%msg); 1098 $self->send ("ext " . cf::to_json \%msg);
1103} 1099}
1100
1101package cf;
1104 1102
1105=back 1103=back
1106 1104
1107 1105
1108=head3 cf::map 1106=head3 cf::map
… …
1114package cf::map; 1112package cf::map;
1115 1113
1116use Fcntl; 1114use Fcntl;
1117use Coro::AIO; 1115use Coro::AIO;
1118 1116
1117use overload
1118 '""' => \&as_string;
1119
1119our $MAX_RESET = 3600; 1120our $MAX_RESET = 3600;
1120our $DEFAULT_RESET = 3000; 1121our $DEFAULT_RESET = 3000;
1121 1122
1122sub generate_random_map { 1123sub generate_random_map {
1123 my ($path, $rmp) = @_; 1124 my ($self, $rmp) = @_;
1124 1125
1125 # mit "rum" bekleckern, nicht 1126 # mit "rum" bekleckern, nicht
1126 cf::map::_create_random_map 1127 $self->_create_random_map (
1127 $path,
1128 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1128 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1129 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1129 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1130 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1130 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1131 $rmp->{exit_on_final_map}, 1131 $rmp->{exit_on_final_map},
1132 $rmp->{xsize}, $rmp->{ysize}, 1132 $rmp->{xsize}, $rmp->{ysize},
1133 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1133 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1134 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1134 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1135 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1135 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1136 $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},
1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1137 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1138 (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
1139} 1254}
1140 1255
1141# and all this just because we cannot iterate over 1256# and all this just because we cannot iterate over
1142# all maps in C++... 1257# all maps in C++...
1143sub change_all_map_light { 1258sub change_all_map_light {
… …
1145 1260
1146 $_->change_map_light ($change) 1261 $_->change_map_light ($change)
1147 for grep $_->outdoor, values %cf::MAP; 1262 for grep $_->outdoor, values %cf::MAP;
1148} 1263}
1149 1264
1265sub unlink_save {
1266 my ($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
1150sub try_load_header($) { 1273sub load_header_from($) {
1151 my ($path) = @_; 1274 my ($self, $path) = @_;
1152 1275
1153 utf8::encode $path; 1276 utf8::encode $path;
1154 aio_open $path, O_RDONLY, 0 1277 aio_open $path, O_RDONLY, 0
1155 or return; 1278 or return;
1156 1279
1157 my $map = cf::map::new 1280 $self->_load_header ($path)
1158 or return; 1281 or return;
1159 1282
1160 # for better error messages only, will be overwritten 1283 $self->{load_path} = $path;
1161 $map->path ($path);
1162 1284
1163 $map->load_header ($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
1164 or return; 1311 or return;
1165 1312
1166 $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 }
1167 1318
1168 $map 1319 1
1169} 1320}
1170 1321
1171sub find; 1322sub find;
1172sub find { 1323sub find {
1173 my ($path, $origin) = @_; 1324 my ($path, $origin) = @_;
1174 1325
1175 #warn "find<$path,$origin>\n";#d#
1176
1177 $path = new cf::path $path, $origin && $origin->path; 1326 $path = normalise $path, $origin && $origin->path;
1178 my $key = $path->as_string;
1179 1327
1180 cf::lock_wait "map_find:$key"; 1328 cf::lock_wait "map_find:$path";
1181 1329
1182 $cf::MAP{$key} || do { 1330 $cf::MAP{$path} || do {
1183 my $guard = cf::lock_acquire "map_find:$key"; 1331 my $guard = cf::lock_acquire "map_find:$path";
1184 1332 my $map = new_from_path cf::map $path
1185 # do it the slow way
1186 my $map = try_load_header $path->save_path;
1187
1188 Coro::cede;
1189
1190 if ($map) {
1191 $map->last_access ((delete $map->{last_access})
1192 || $cf::RUNTIME); #d#
1193 # safety
1194 $map->{instantiate_time} = $cf::RUNTIME
1195 if $map->{instantiate_time} > $cf::RUNTIME;
1196 } else {
1197 if (my $rmp = $path->random_map_params) {
1198 $map = generate_random_map $key, $rmp;
1199 } else {
1200 $map = try_load_header $path->load_path;
1201 }
1202
1203 $map or return; 1333 or return;
1204 1334
1205 $map->{load_original} = 1;
1206 $map->{instantiate_time} = $cf::RUNTIME;
1207 $map->last_access ($cf::RUNTIME);
1208 $map->instantiate;
1209
1210 # per-player maps become, after loading, normal maps
1211 $map->per_player (0) if $path->{user_rel};
1212 }
1213
1214 $map->path ($key);
1215 $map->{path} = $path;
1216 $map->{last_save} = $cf::RUNTIME; 1335 $map->{last_save} = $cf::RUNTIME;
1217 1336
1218 Coro::cede; 1337 $map->load_header
1338 or return;
1219 1339
1220 if ($map->should_reset) { 1340 if ($map->should_reset) {
1341 $cf::WAIT_FOR_TICK->wait;
1221 $map->reset; 1342 $map->reset;
1222 undef $guard; 1343 undef $guard;
1223 $map = find $path 1344 $map = find $path
1224 or return; 1345 or return;
1225 } 1346 }
1226 1347
1227 $cf::MAP{$key} = $map 1348 $cf::MAP{$path} = $map
1228 } 1349 }
1229} 1350}
1230 1351
1231sub load { 1352sub load {
1232 my ($self) = @_; 1353 my ($self) = @_;
1233 1354
1234 my $path = $self->{path}; 1355 my $path = $self->{path};
1235 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1356 my $guard = cf::lock_acquire "map_load:$path";
1236 1357
1237 return if $self->in_memory != cf::MAP_SWAPPED; 1358 return if $self->in_memory != cf::MAP_SWAPPED;
1238 1359
1239 $self->in_memory (cf::MAP_LOADING); 1360 $self->in_memory (cf::MAP_LOADING);
1240 1361
1241 $self->alloc; 1362 $self->alloc;
1242 $self->load_objects ($self->{load_path}, 1) 1363 $self->_load_objects ($self->{load_path}, 1)
1243 or return; 1364 or return;
1244 1365
1245 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1366 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1246 if delete $self->{load_original}; 1367 if delete $self->{load_original};
1247 1368
1248 if (my $uniq = $path->uniq_path) { 1369 if (my $uniq = $self->uniq_path) {
1249 utf8::encode $uniq; 1370 utf8::encode $uniq;
1250 if (aio_open $uniq, O_RDONLY, 0) { 1371 if (aio_open $uniq, O_RDONLY, 0) {
1251 $self->clear_unique_items; 1372 $self->clear_unique_items;
1252 $self->load_objects ($uniq, 0); 1373 $self->_load_objects ($uniq, 0);
1253 } 1374 }
1254 } 1375 }
1255 1376
1256 Coro::cede; 1377 Coro::cede;
1257 1378
1258 # now do the right thing for maps 1379 # now do the right thing for maps
1259 $self->link_multipart_objects; 1380 $self->link_multipart_objects;
1260 1381
1261 if ($self->{path}->is_style_map) { 1382 unless ($self->{deny_activate}) {
1262 $self->{deny_save} = 1; 1383 $self->decay_objects;
1263 $self->{deny_reset} = 1;
1264 } else {
1265 $self->fix_auto_apply; 1384 $self->fix_auto_apply;
1266 $self->decay_objects;
1267 $self->update_buttons; 1385 $self->update_buttons;
1386 Coro::cede;
1268 $self->set_darkness_map; 1387 $self->set_darkness_map;
1269 $self->difficulty ($self->estimate_difficulty) 1388 $self->difficulty ($self->estimate_difficulty)
1270 unless $self->difficulty; 1389 unless $self->difficulty;
1390 Coro::cede;
1271 $self->activate; 1391 $self->activate;
1272 } 1392 }
1273 1393
1274 Coro::cede;
1275
1276 $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 $neigh->load;
1427 }
1277} 1428}
1278 1429
1279sub find_sync { 1430sub find_sync {
1280 my ($path, $origin) = @_; 1431 my ($path, $origin) = @_;
1281 1432
1282 cf::sync_job { cf::map::find $path, $origin } 1433 cf::sync_job { find $path, $origin }
1283} 1434}
1284 1435
1285sub do_load_sync { 1436sub do_load_sync {
1286 my ($map) = @_; 1437 my ($map) = @_;
1287 1438
1288 cf::sync_job { $map->load }; 1439 cf::sync_job { $map->load };
1289} 1440}
1290 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 $MAP_PREFETCHER->ready;
1467
1468 ()
1469}
1470
1291sub save { 1471sub save {
1292 my ($self) = @_; 1472 my ($self) = @_;
1293 1473
1294 my $lock = cf::lock_acquire "map_data:" . $self->path; 1474 my $lock = cf::lock_acquire "map_data:" . $self->path;
1295 1475
1296 $self->{last_save} = $cf::RUNTIME; 1476 $self->{last_save} = $cf::RUNTIME;
1297 1477
1298 return unless $self->dirty; 1478 return unless $self->dirty;
1299 1479
1300 my $save = $self->{path}->save_path; utf8::encode $save; 1480 my $save = $self->save_path; utf8::encode $save;
1301 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1481 my $uniq = $self->uniq_path; utf8::encode $uniq;
1302 1482
1303 $self->{load_path} = $save; 1483 $self->{load_path} = $save;
1304 1484
1305 return if $self->{deny_save}; 1485 return if $self->{deny_save};
1306 1486
1307 local $self->{last_access} = $self->last_access;#d# 1487 local $self->{last_access} = $self->last_access;#d#
1308 1488
1489 cf::async {
1490 $_->contr->save for $self->players;
1491 };
1492
1309 if ($uniq) { 1493 if ($uniq) {
1310 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1494 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1311 $self->save_objects ($uniq, cf::IO_UNIQUES); 1495 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1312 } else { 1496 } else {
1313 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1497 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1314 } 1498 }
1315} 1499}
1316 1500
1317sub swap_out { 1501sub swap_out {
1318 my ($self) = @_; 1502 my ($self) = @_;
… …
1332 1516
1333sub reset_at { 1517sub reset_at {
1334 my ($self) = @_; 1518 my ($self) = @_;
1335 1519
1336 # TODO: safety, remove and allow resettable per-player maps 1520 # TODO: safety, remove and allow resettable per-player maps
1337 return 1e99 if $self->{path}{user_rel}; 1521 return 1e99 if $self->isa ("ext::map_per_player");#d#
1338 return 1e99 if $self->{deny_reset}; 1522 return 1e99 if $self->{deny_reset};
1339 1523
1340 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1524 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1341 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1525 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1342 1526
… …
1347 my ($self) = @_; 1531 my ($self) = @_;
1348 1532
1349 $self->reset_at <= $cf::RUNTIME 1533 $self->reset_at <= $cf::RUNTIME
1350} 1534}
1351 1535
1352sub unlink_save {
1353 my ($self) = @_;
1354
1355 utf8::encode (my $save = $self->{path}->save_path);
1356 aioreq_pri 3; IO::AIO::aio_unlink $save;
1357 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1358}
1359
1360sub rename { 1536sub rename {
1361 my ($self, $new_path) = @_; 1537 my ($self, $new_path) = @_;
1362 1538
1539 normalise $new_path;
1540
1363 $self->unlink_save; 1541 $self->unlink_save;
1364 1542
1365 delete $cf::MAP{$self->path}; 1543 delete $cf::MAP{$self->path};
1366 $self->{path} = new cf::path $new_path; 1544 $self->{path} = $new_path; $self->path ($self->{path});
1367 $self->path ($self->{path}->as_string);
1368 $cf::MAP{$self->path} = $self; 1545 $cf::MAP{$self->path} = $self;
1369 1546
1370 $self->save; 1547 $self->save;
1371} 1548}
1372 1549
1373sub reset { 1550sub reset {
1374 my ($self) = @_; 1551 my ($self) = @_;
1375 1552
1376 my $lock = cf::lock_acquire "map_data:" . $self->path; 1553 my $lock = cf::lock_acquire "map_data:$self->{path}";
1377 1554
1378 return if $self->players; 1555 return if $self->players;
1379 return if $self->{path}{user_rel};#d# 1556 return if $self->isa ("ext::map_per_player");#d#
1380 1557
1381 warn "resetting map ", $self->path;#d# 1558 warn "resetting map ", $self->path;#d#
1382 1559
1383 delete $cf::MAP{$self->path}; 1560 delete $cf::MAP{$self->path};
1561
1562 $self->in_memory (cf::MAP_SWAPPED);
1563 $self->clear;
1384 1564
1385 $_->clear_links_to ($self) for values %cf::MAP; 1565 $_->clear_links_to ($self) for values %cf::MAP;
1386 1566
1387 $self->unlink_save; 1567 $self->unlink_save;
1388 $self->destroy; 1568 $self->destroy;
… …
1397 $self->reset_timeout (1); 1577 $self->reset_timeout (1);
1398 $self->rename ("{nuke}/" . ($nuke_counter++)); 1578 $self->rename ("{nuke}/" . ($nuke_counter++));
1399 $self->reset; # polite request, might not happen 1579 $self->reset; # polite request, might not happen
1400} 1580}
1401 1581
1402sub customise_for { 1582=item cf::map::unique_maps
1403 my ($map, $ob) = @_;
1404 1583
1405 if ($map->per_player) { 1584Returns an arrayref of paths of all shared maps that have
1406 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1585instantiated unique items. May block.
1407 }
1408 1586
1409 $map 1587=cut
1410}
1411 1588
1412sub emergency_save { 1589sub unique_maps() {
1413 my $freeze_guard = cf::freeze_mainloop; 1590 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1591 or return;
1414 1592
1415 warn "enter emergency map save\n"; 1593 my @paths;
1416 1594
1417 cf::sync_job { 1595 for (@$files) {
1418 warn "begin emergency map save\n"; 1596 utf8::decode $_;
1419 $_->save for values %cf::MAP; 1597 next if /\.pst$/;
1598 next unless /^$PATH_SEP/o;
1599
1600 s/\.map$//;
1601 push @paths, $_;
1420 }; 1602 }
1421 1603
1422 warn "end emergency map save\n"; 1604 \@paths
1423} 1605}
1424 1606
1425package cf; 1607package cf;
1426 1608
1427=back 1609=back
1428 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
1429 1637
1430=head3 cf::object::player 1638=head3 cf::object::player
1431 1639
1432=over 4 1640=over 4
1433 1641
… …
1473 1681
1474=item $player_object->enter_link 1682=item $player_object->enter_link
1475 1683
1476Freezes 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}>).
1477 1685
1478The 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
1479I<MUST> call C<leave_link> as soon as possible, though. 1687I<MUST> call C<leave_link> as soon as possible, though.
1480 1688
1689Will never block.
1690
1481=item $player_object->leave_link ($map, $x, $y) 1691=item $player_object->leave_link ($map, $x, $y)
1482 1692
1483Moves the player out of the specila link map onto the given map. If the 1693Moves the player out of the special C<{link}> map onto the specified
1484map is not valid (or omitted), the player will be moved back to the 1694map. If the map is not valid (or omitted), the player will be moved back
1485location he/she was before the call to C<enter_link>, or, if that fails, 1695to the location he/she was before the call to C<enter_link>, or, if that
1486to the emergency map position. 1696fails, to the emergency map position.
1487 1697
1488Might block. 1698Might block.
1489 1699
1490=cut 1700=cut
1701
1702sub link_map {
1703 unless ($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 $LINK_MAP
1710}
1491 1711
1492sub cf::object::player::enter_link { 1712sub cf::object::player::enter_link {
1493 my ($self) = @_; 1713 my ($self) = @_;
1494 1714
1495 $self->deactivate_recursive; 1715 $self->deactivate_recursive;
1496 1716
1497 return if $self->map == $LINK_MAP; 1717 return if UNIVERSAL::isa $self->map, "ext::map_link";
1498 1718
1499 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1719 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1500 if $self->map; 1720 if $self->map;
1501 1721
1502 $self->enter_map ($LINK_MAP, 20, 20); 1722 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1503} 1723}
1504 1724
1505sub cf::object::player::leave_link { 1725sub cf::object::player::leave_link {
1506 my ($self, $map, $x, $y) = @_; 1726 my ($self, $map, $x, $y) = @_;
1507 1727
… …
1525 # use -1 or undef as default coordinates, not 0, 0 1745 # use -1 or undef as default coordinates, not 0, 0
1526 ($x, $y) = ($map->enter_x, $map->enter_y) 1746 ($x, $y) = ($map->enter_x, $map->enter_y)
1527 if $x <=0 && $y <= 0; 1747 if $x <=0 && $y <= 0;
1528 1748
1529 $map->load; 1749 $map->load;
1750 $map->load_diag;
1530 1751
1752 return unless $self->contr->active;
1531 $self->activate_recursive; 1753 $self->activate_recursive;
1532 $self->enter_map ($map, $x, $y); 1754 $self->enter_map ($map, $x, $y);
1533} 1755}
1534 1756
1535cf::player->attach ( 1757cf::player->attach (
… …
1547 my ($pl) = @_; 1769 my ($pl) = @_;
1548 1770
1549 # try to abort aborted map switching on player login :) 1771 # try to abort aborted map switching on player login :)
1550 # should happen only on crashes 1772 # should happen only on crashes
1551 if ($pl->ob->{_link_pos}) { 1773 if ($pl->ob->{_link_pos}) {
1552
1553 $pl->ob->enter_link; 1774 $pl->ob->enter_link;
1554 (async { 1775 (async {
1555 # we need this sleep as the login has a concurrent enter_exit running 1776 # we need this sleep as the login has a concurrent enter_exit running
1556 # and this sleep increases chances of the player not ending up in scorn 1777 # and this sleep increases chances of the player not ending up in scorn
1557 $pl->ob->reply (undef, 1778 $pl->ob->reply (undef,
… …
1573 my ($self, $path, $x, $y) = @_; 1794 my ($self, $path, $x, $y) = @_;
1574 1795
1575 $self->enter_link; 1796 $self->enter_link;
1576 1797
1577 (async { 1798 (async {
1578 $path = new cf::path $path;
1579
1580 my $map = cf::map::find $path->as_string; 1799 my $map = cf::map::find $path;
1581 $map = $map->customise_for ($self) if $map; 1800 $map = $map->customise_for ($self) if $map;
1582 1801
1583# warn "entering ", $map->path, " at ($x, $y)\n" 1802# warn "entering ", $map->path, " at ($x, $y)\n"
1584# if $map; 1803# if $map;
1585 1804
1586 $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);
1587 1806
1588 $self->leave_link ($map, $x, $y); 1807 $self->leave_link ($map, $x, $y);
1589 })->prio (1); 1808 })->prio (1);
1590} 1809}
1591 1810
… …
1650 $self->deactivate_recursive; # just to be sure 1869 $self->deactivate_recursive; # just to be sure
1651 unless (eval { 1870 unless (eval {
1652 prepare_random_map $exit 1871 prepare_random_map $exit
1653 if $exit->slaying eq "/!"; 1872 if $exit->slaying eq "/!";
1654 1873
1655 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;
1656 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1875 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657 1876
1658 1; 1877 1;
1659 }) { 1878 }) {
1660 $self->message ("Something went wrong deep within the crossfire server. " 1879 $self->message ("Something went wrong deep within the crossfire server. "
1661 . "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. "
1662 . "Please report this to the dungeon master", 1881 . "Please report this to the dungeon master!",
1663 cf::NDI_UNIQUE | cf::NDI_RED); 1882 cf::NDI_UNIQUE | cf::NDI_RED);
1664 1883
1665 warn "ERROR in enter_exit: $@"; 1884 warn "ERROR in enter_exit: $@";
1666 $self->leave_link; 1885 $self->leave_link;
1667 } 1886 }
… …
1999 $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};
2000 $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};
2001 2220
2002 if (exists $CFG{mlockall}) { 2221 if (exists $CFG{mlockall}) {
2003 eval { 2222 eval {
2004 $CFG{mlockall} ? &mlockall : &munlockall 2223 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2005 and die "WARNING: m(un)lockall failed: $!\n"; 2224 and die "WARNING: m(un)lockall failed: $!\n";
2006 }; 2225 };
2007 warn $@ if $@; 2226 warn $@ if $@;
2008 } 2227 }
2009} 2228}
… …
2020 load_extensions; 2239 load_extensions;
2021 Event::loop; 2240 Event::loop;
2022} 2241}
2023 2242
2024############################################################################# 2243#############################################################################
2025# 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 $map->save;
2281 }
2282 warn "end emergency map save\n";
2283 };
2284
2285 warn "leave emergency perl save\n";
2286}
2026 2287
2027sub reload() { 2288sub reload() {
2028 # can/must only be called in main 2289 # can/must only be called in main
2029 if ($Coro::current != $Coro::main) { 2290 if ($Coro::current != $Coro::main) {
2030 warn "can only reload from main coroutine\n"; 2291 warn "can only reload from main coroutine\n";
2031 return; 2292 return;
2032 } 2293 }
2033 2294
2034 warn "reloading..."; 2295 warn "reloading...";
2035 2296
2297 warn "freezing server";
2036 my $guard = freeze_mainloop; 2298 my $guard = freeze_mainloop;
2037 cf::emergency_save; 2299 cf::emergency_save;
2038 2300
2301 warn "sync database to disk";
2302 cf::db_sync;
2303 IO::AIO::flush;
2304
2039 eval { 2305 eval {
2040 # 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
2041 2307
2042 # cancel all watchers 2308 warn "cancel all watchers";
2043 for (Event::all_watchers) { 2309 for (Event::all_watchers) {
2044 $_->cancel if $_->data & WF_AUTOCANCEL; 2310 $_->cancel if $_->data & WF_AUTOCANCEL;
2045 } 2311 }
2046 2312
2047 # cancel all extension coros 2313 warn "cancel all extension coros";
2048 $_->cancel for values %EXT_CORO; 2314 $_->cancel for values %EXT_CORO;
2049 %EXT_CORO = (); 2315 %EXT_CORO = ();
2050 2316
2317 warn "remove commands";
2318 %COMMAND = ();
2319
2320 warn "remove ext commands";
2321 %EXTCMD = ();
2322
2051 # unload all extensions 2323 warn "unload/nuke all extensions";
2052 for (@exts) { 2324 for my $pkg (@EXTS) {
2053 warn "unloading <$_>"; 2325 warn "... unloading $pkg";
2054 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: $@";
2055 } 2332 }
2056 2333
2334 warn "... nuking $pkg";
2335 Symbol::delete_package $pkg;
2336 }
2337
2057 # unload all modules loaded from $LIBDIR 2338 warn "unload all perl modules loaded from $LIBDIR";
2058 while (my ($k, $v) = each %INC) { 2339 while (my ($k, $v) = each %INC) {
2059 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2340 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2060 2341
2061 warn "removing <$k>"; 2342 warn "removing <$k>";
2062 delete $INC{$k}; 2343 delete $INC{$k};
… …
2069 } 2350 }
2070 2351
2071 Symbol::delete_package $k; 2352 Symbol::delete_package $k;
2072 } 2353 }
2073 2354
2074 # sync database to disk
2075 cf::db_sync;
2076 IO::AIO::flush;
2077
2078 # get rid of safe::, as good as possible 2355 warn "get rid of safe::, as good as possible";
2079 Symbol::delete_package "safe::$_" 2356 Symbol::delete_package "safe::$_"
2080 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);
2081 2358
2082 # remove register_script_function callbacks
2083 # TODO
2084
2085 # unload cf.pm "a bit" 2359 warn "unload cf.pm \"a bit\"";
2086 delete $INC{"cf.pm"}; 2360 delete $INC{"cf.pm"};
2087 2361
2088 # don't, removes xs symbols, too, 2362 # don't, removes xs symbols, too,
2089 # and global variables created in xs 2363 # and global variables created in xs
2090 #Symbol::delete_package __PACKAGE__; 2364 #Symbol::delete_package __PACKAGE__;
2091 2365
2092 # reload cf.pm
2093 warn "reloading cf.pm"; 2366 warn "reloading cf.pm";
2094 require cf; 2367 require cf;
2095 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2368 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2096 2369
2097 # load config and database again 2370 warn "load config and database again";
2098 cf::cfg_load; 2371 cf::cfg_load;
2099 cf::db_load; 2372 cf::db_load;
2100 2373
2101 # load extensions
2102 warn "load extensions"; 2374 warn "load extensions";
2103 cf::load_extensions; 2375 cf::load_extensions;
2104 2376
2105 # reattach attachments to objects 2377 warn "reattach attachments to objects/players";
2106 warn "reattach";
2107 _global_reattach; 2378 _global_reattach;
2379 warn "reattach attachments to maps";
2380 reattach $_ for values %MAP;
2108 }; 2381 };
2109 2382
2110 if ($@) { 2383 if ($@) {
2111 warn $@; 2384 warn $@;
2112 warn "error while reloading, exiting."; 2385 warn "error while reloading, exiting.";
2113 exit 1; 2386 exit 1;
2114 } 2387 }
2115 2388
2116 warn "reloaded successfully"; 2389 warn "reloaded";
2117}; 2390};
2118
2119#############################################################################
2120
2121unless ($LINK_MAP) {
2122 $LINK_MAP = cf::map::new;
2123
2124 $LINK_MAP->width (41);
2125 $LINK_MAP->height (41);
2126 $LINK_MAP->alloc;
2127 $LINK_MAP->path ("{link}");
2128 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2129 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2130
2131 # dirty hack because... archetypes are not yet loaded
2132 Event->timer (
2133 after => 2,
2134 cb => sub {
2135 $_[0]->w->cancel;
2136
2137 # provide some exits "home"
2138 my $exit = cf::object::new "exit";
2139
2140 $exit->slaying ($EMERGENCY_POSITION->[0]);
2141 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2142 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2143
2144 $LINK_MAP->insert ($exit->clone, 19, 19);
2145 $LINK_MAP->insert ($exit->clone, 19, 20);
2146 $LINK_MAP->insert ($exit->clone, 19, 21);
2147 $LINK_MAP->insert ($exit->clone, 20, 19);
2148 $LINK_MAP->insert ($exit->clone, 20, 21);
2149 $LINK_MAP->insert ($exit->clone, 21, 19);
2150 $LINK_MAP->insert ($exit->clone, 21, 20);
2151 $LINK_MAP->insert ($exit->clone, 21, 21);
2152
2153 $exit->destroy;
2154 });
2155
2156 $LINK_MAP->{deny_save} = 1;
2157 $LINK_MAP->{deny_reset} = 1;
2158
2159 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2160}
2161
2162register "<global>", __PACKAGE__;
2163 2391
2164register_command "reload" => sub { 2392register_command "reload" => sub {
2165 my ($who, $arg) = @_; 2393 my ($who, $arg) = @_;
2166 2394
2167 if ($who->flag (FLAG_WIZ)) { 2395 if ($who->flag (FLAG_WIZ)) {
… …
2177 reentrant => 0, 2405 reentrant => 0,
2178 prio => 0, 2406 prio => 0,
2179 at => $NEXT_TICK || $TICK, 2407 at => $NEXT_TICK || $TICK,
2180 data => WF_AUTOCANCEL, 2408 data => WF_AUTOCANCEL,
2181 cb => sub { 2409 cb => sub {
2410 $NOW = Event::time;
2411
2182 cf::server_tick; # one server iteration 2412 cf::server_tick; # one server iteration
2183 $RUNTIME += $TICK; 2413 $RUNTIME += $TICK;
2184 $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;
2185 2418
2186 # 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
2187 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2420 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2188 2421
2189 $TICK_WATCHER->at ($NEXT_TICK); 2422 $TICK_WATCHER->at ($NEXT_TICK);
… …
2191 }, 2424 },
2192); 2425);
2193 2426
2194IO::AIO::max_poll_time $TICK * 0.2; 2427IO::AIO::max_poll_time $TICK * 0.2;
2195 2428
2196Event->io ( 2429$AIO_POLL_WATCHER = Event->io (
2197 fd => IO::AIO::poll_fileno, 2430 fd => IO::AIO::poll_fileno,
2198 poll => 'r', 2431 poll => 'r',
2199 prio => 5, 2432 prio => 5,
2200 data => WF_AUTOCANCEL, 2433 data => WF_AUTOCANCEL,
2201 cb => \&IO::AIO::poll_cb, 2434 cb => \&IO::AIO::poll_cb,
2202); 2435);
2203 2436
2204Event->timer ( 2437$WRITE_RUNTIME_WATCHER = Event->timer (
2205 data => WF_AUTOCANCEL, 2438 data => WF_AUTOCANCEL,
2206 after => 0, 2439 after => 0,
2207 interval => 10, 2440 interval => 10,
2208 cb => sub { 2441 cb => sub {
2209 (Coro::unblock_sub { 2442 (Coro::unblock_sub {

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