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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.140 by root, Fri Jan 5 20:04:02 2007 UTC vs.
Revision 1.169 by root, Sun Jan 14 01:09:46 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 }
273 warn $@ if $@; 312 warn $@ if $@;
274 undef $busy; 313 undef $busy;
275 })->prio (Coro::PRIO_MAX); 314 })->prio (Coro::PRIO_MAX);
276 315
277 while ($busy) { 316 while ($busy) {
278 unless (Coro::cede) { 317 Coro::cede or Event::one_event;
279 Coro::nready ? Event::one_event 0 : Event::one_event;
280 Coro::cede_notself unless Coro::cede;
281 }
282 } 318 }
283 319
284 wantarray ? @res : $res[0] 320 wantarray ? @res : $res[0]
285 } else { 321 } else {
286 # we are in another coroutine, how wonderful, everything just works 322 # we are in another coroutine, how wonderful, everything just works
289 } 325 }
290} 326}
291 327
292=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
293 329
294Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
295extension calling this is being unloaded. 331extension calling this is being unloaded.
296 332
297=cut 333=cut
298 334
299sub async_ext(&) { 335sub async_ext(&) {
332} 368}
333 369
334=back 370=back
335 371
336=cut 372=cut
337
338#############################################################################
339
340package cf::path;
341
342sub new {
343 my ($class, $path, $base) = @_;
344
345 $path = $path->as_string if ref $path;
346
347 my $self = bless { }, $class;
348
349 # {... are special paths that are not touched
350 # ?xxx/... are special absolute paths
351 # ?random/... random maps
352 # /! non-realised random map exit
353 # /... normal maps
354 # ~/... per-player maps without a specific player (DO NOT USE)
355 # ~user/... per-player map of a specific user
356
357 if ($path =~ /^{/) {
358 # fine as it is
359 } elsif ($path =~ s{^\?random/}{}) {
360 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
361 $self->{random} = cf::from_json $data;
362 } else {
363 if ($path =~ s{^~([^/]+)?}{}) {
364 $self->{user_rel} = 1;
365
366 if (defined $1) {
367 $self->{user} = $1;
368 } elsif ($base =~ m{^~([^/]+)/}) {
369 $self->{user} = $1;
370 } else {
371 warn "cannot resolve user-relative path without user <$path,$base>\n";
372 }
373 } elsif ($path =~ /^\//) {
374 # already absolute
375 } else {
376 $base =~ s{[^/]+/?$}{};
377 return $class->new ("$base/$path");
378 }
379
380 for ($path) {
381 redo if s{/\.?/}{/};
382 redo if s{/[^/]+/\.\./}{/};
383 }
384 }
385
386 $self->{path} = $path;
387
388 $self
389}
390
391# the name / primary key / in-game path
392sub as_string {
393 my ($self) = @_;
394
395 $self->{user_rel} ? "~$self->{user}$self->{path}"
396 : $self->{random} ? "?random/$self->{path}"
397 : $self->{path}
398}
399
400# the displayed name, this is a one way mapping
401sub visible_name {
402 my ($self) = @_;
403
404# if (my $rmp = $self->{random}) {
405# # todo: be more intelligent about this
406# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
407# } else {
408 $self->as_string
409# }
410}
411
412# escape the /'s in the path
413sub _escaped_path {
414 # ∕ is U+2215
415 (my $path = $_[0]{path}) =~ s/\//∕/g;
416 $path
417}
418
419# the original (read-only) location
420sub load_path {
421 my ($self) = @_;
422
423 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
424}
425
426# the temporary/swap location
427sub save_path {
428 my ($self) = @_;
429
430 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
431 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
432 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
433}
434
435# the unique path, might be eq to save_path
436sub uniq_path {
437 my ($self) = @_;
438
439 $self->{user_rel} || $self->{random}
440 ? undef
441 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
442}
443
444# return random map parameters, or undef
445sub random_map_params {
446 my ($self) = @_;
447
448 $self->{random}
449}
450
451# this is somewhat ugly, but style maps do need special treatment
452sub is_style_map {
453 $_[0]{path} =~ m{^/styles/}
454}
455
456package cf;
457 373
458############################################################################# 374#############################################################################
459 375
460=head2 ATTACHABLE OBJECTS 376=head2 ATTACHABLE OBJECTS
461 377
767# object support 683# object support
768 684
769sub reattach { 685sub reattach {
770 # basically do the same as instantiate, without calling instantiate 686 # basically do the same as instantiate, without calling instantiate
771 my ($obj) = @_; 687 my ($obj) = @_;
688
689 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
772 690
773 my $registry = $obj->registry; 691 my $registry = $obj->registry;
774 692
775 @$registry = (); 693 @$registry = ();
776 694
908=cut 826=cut
909 827
910sub register_extcmd { 828sub register_extcmd {
911 my ($name, $cb) = @_; 829 my ($name, $cb) = @_;
912 830
913 my $caller = caller;
914 #warn "registering extcmd '$name' to '$caller'";
915
916 $EXTCMD{$name} = [$cb, $caller]; 831 $EXTCMD{$name} = $cb;
917} 832}
918 833
919cf::player->attach ( 834cf::player->attach (
920 on_command => sub { 835 on_command => sub {
921 my ($pl, $name, $params) = @_; 836 my ($pl, $name, $params) = @_;
934 849
935 my $msg = eval { from_json $buf }; 850 my $msg = eval { from_json $buf };
936 851
937 if (ref $msg) { 852 if (ref $msg) {
938 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 853 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
939 if (my %reply = $cb->[0]->($pl, $msg)) { 854 if (my %reply = $cb->($pl, $msg)) {
940 $pl->ext_reply ($msg->{msgid}, %reply); 855 $pl->ext_reply ($msg->{msgid}, %reply);
941 } 856 }
942 } 857 }
943 } else { 858 } else {
944 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 859 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
946 861
947 cf::override; 862 cf::override;
948 }, 863 },
949); 864);
950 865
951sub register {
952 my ($base, $pkg) = @_;
953
954 #TODO
955}
956
957sub load_extension { 866sub load_extension {
958 my ($path) = @_; 867 my ($path) = @_;
959 868
960 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 869 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
961 my $base = $1; 870 my $base = $1;
962 my $pkg = $1; 871 my $pkg = $1;
963 $pkg =~ s/[^[:word:]]/_/g; 872 $pkg =~ s/[^[:word:]]/_/g;
964 $pkg = "ext::$pkg"; 873 $pkg = "ext::$pkg";
965 874
966 warn "loading '$path' into '$pkg'\n"; 875 warn "... loading '$path' into '$pkg'\n";
967 876
968 open my $fh, "<:utf8", $path 877 open my $fh, "<:utf8", $path
969 or die "$path: $!"; 878 or die "$path: $!";
970 879
971 my $source = 880 my $source =
972 "package $pkg; use strict; use utf8;\n" 881 "package $pkg; use strict; use utf8;\n"
973 . "#line 1 \"$path\"\n{\n" 882 . "#line 1 \"$path\"\n{\n"
974 . (do { local $/; <$fh> }) 883 . (do { local $/; <$fh> })
975 . "\n};\n1"; 884 . "\n};\n1";
976 885
977 eval $source 886 unless (eval $source) {
978 or die $@ ? "$path: $@\n" 887 my $msg = $@ ? "$path: $@\n"
979 : "extension disabled.\n"; 888 : "extension disabled.\n";
980 889 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
981 push @exts, $pkg; 890 warn $@;
982 $ext_pkg{$base} = $pkg; 891 warn "mandatory extension failed to load, exiting.\n";
983 892 exit 1;
984# no strict 'refs'; 893 }
985# @{"$pkg\::ISA"} = ext::; 894 die $@;
986
987 register $base, $pkg;
988}
989
990sub unload_extension {
991 my ($pkg) = @_;
992
993 warn "removing extension $pkg\n";
994
995 # remove hooks
996 #TODO
997# for my $idx (0 .. $#PLUGIN_EVENT) {
998# delete $hook[$idx]{$pkg};
999# } 895 }
1000 896
1001 # remove commands 897 push @EXTS, $pkg;
1002 for my $name (keys %COMMAND) {
1003 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1004
1005 if (@cb) {
1006 $COMMAND{$name} = \@cb;
1007 } else {
1008 delete $COMMAND{$name};
1009 }
1010 }
1011
1012 # remove extcmds
1013 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1014 delete $EXTCMD{$name};
1015 }
1016
1017 if (my $cb = $pkg->can ("unload")) {
1018 eval {
1019 $cb->($pkg);
1020 1
1021 } or warn "$pkg unloaded, but with errors: $@";
1022 }
1023
1024 Symbol::delete_package $pkg;
1025} 898}
1026 899
1027sub load_extensions { 900sub load_extensions {
1028 for my $ext (<$LIBDIR/*.ext>) { 901 for my $ext (<$LIBDIR/*.ext>) {
1029 next unless -r $ext; 902 next unless -r $ext;
1033 } or warn "$ext not loaded: $@"; 906 } or warn "$ext not loaded: $@";
1034 } 907 }
1035} 908}
1036 909
1037############################################################################# 910#############################################################################
1038# load/save/clean perl data associated with a map
1039
1040*cf::mapsupport::on_clean = sub {
1041 my ($map) = @_;
1042
1043 my $path = $map->tmpname;
1044 defined $path or return;
1045
1046 unlink "$path.pst";
1047};
1048
1049cf::map->attach (prio => -10000, package => cf::mapsupport::);
1050
1051#############################################################################
1052# load/save perl data associated with player->ob objects
1053
1054sub all_objects(@) {
1055 @_, map all_objects ($_->inv), @_
1056}
1057
1058# TODO: compatibility cruft, remove when no longer needed
1059cf::player->attach (
1060 on_load => sub {
1061 my ($pl, $path) = @_;
1062
1063 for my $o (all_objects $pl->ob) {
1064 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1065 $o->set_ob_key_value ("_perl_data");
1066
1067 %$o = %{ Storable::thaw pack "H*", $value };
1068 }
1069 }
1070 },
1071);
1072
1073#############################################################################
1074 911
1075=head2 CORE EXTENSIONS 912=head2 CORE EXTENSIONS
1076 913
1077Functions and methods that extend core crossfire objects. 914Functions and methods that extend core crossfire objects.
1078 915
916=cut
917
918package cf::player;
919
920use Coro::AIO;
921
1079=head3 cf::player 922=head3 cf::player
1080 923
1081=over 4 924=over 4
1082 925
1083=item cf::player::exists $login 926=item cf::player::find $login
1084 927
1085Returns true when the given account exists. 928Returns the given player object, loading it if necessary (might block).
1086 929
1087=cut 930=cut
1088 931
1089sub cf::player::exists($) { 932sub playerdir($) {
1090 cf::player::find $_[0] 933 cf::localdir
1091 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 934 . "/"
935 . cf::playerdir
936 . "/"
937 . (ref $_[0] ? $_[0]->ob->name : $_[0])
938}
939
940sub path($) {
941 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942
943 (playerdir $login) . "/$login.pl"
944}
945
946sub find_active($) {
947 $cf::PLAYER{$_[0]}
948 and $cf::PLAYER{$_[0]}->active
949 and $cf::PLAYER{$_[0]}
950}
951
952sub exists($) {
953 my ($login) = @_;
954
955 $cf::PLAYER{$login}
956 or cf::sync_job { !aio_stat $login }
957}
958
959sub find($) {
960 return $cf::PLAYER{$_[0]} || do {
961 my $login = $_[0];
962
963 my $guard = cf::lock_acquire "user_find:$login";
964
965 $cf::PLAYER{$_[0]} || do {
966 my $pl = load_pl path $login
967 or return;
968 $cf::PLAYER{$login} = $pl
969 }
970 }
971}
972
973sub save($) {
974 my ($pl) = @_;
975
976 return if $pl->{deny_save};
977
978 my $path = path $pl;
979 my $guard = cf::lock_acquire "user_save:$path";
980
981 return if $pl->{deny_save};
982
983 aio_mkdir playerdir $pl, 0770;
984 $pl->{last_save} = $cf::RUNTIME;
985
986 $pl->save_pl ($path);
987 Coro::cede;
988}
989
990sub new($) {
991 my ($login) = @_;
992
993 my $self = create;
994
995 $self->ob->name ($login);
996 $self->{deny_save} = 1;
997
998 $cf::PLAYER{$login} = $self;
999
1000 $self
1001}
1002
1003=item $pl->quit_character
1004
1005Nukes the player without looking back. If logged in, the connection will
1006be destroyed. May block for a long time.
1007
1008=cut
1009
1010sub quit_character {
1011 my ($pl) = @_;
1012
1013 $pl->{deny_save} = 1;
1014 $pl->password ("*"); # this should lock out the player until we nuked the dir
1015
1016 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1017 $pl->deactivate;
1018 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1019 $pl->ns->destroy if $pl->ns;
1020
1021 my $path = playerdir $pl;
1022 my $temp = "$path~$cf::RUNTIME~deleting~";
1023 aio_rename $path, $temp;
1024 delete $cf::PLAYER{$pl->ob->name};
1025 $pl->destroy;
1026 IO::AIO::aio_rmtree $temp;
1027}
1028
1029=item cf::player::list_logins
1030
1031Returns am arrayref of all valid playernames in the system, can take a
1032while and may block, so not sync_job-capable, ever.
1033
1034=cut
1035
1036sub list_logins {
1037 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1038 or return [];
1039
1040 my @logins;
1041
1042 for my $login (@$dirs) {
1043 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1044 aio_read $fh, 0, 512, my $buf, 0 or next;
1045 $buf !~ /^password -------------$/m or next; # official not-valid tag
1046
1047 utf8::decode $login;
1048 push @logins, $login;
1049 }
1050
1051 \@logins
1052}
1053
1054=item $player->maps
1055
1056Returns an arrayref of map paths that are private for this
1057player. May block.
1058
1059=cut
1060
1061sub maps($) {
1062 my ($pl) = @_;
1063
1064 my $files = aio_readdir playerdir $pl
1065 or return;
1066
1067 my @paths;
1068
1069 for (@$files) {
1070 utf8::decode $_;
1071 next if /\.(?:pl|pst)$/;
1072 next unless /^$PATH_SEP/o;
1073
1074 s/\.map$//;
1075 push @paths, "~" . $pl->ob->name . "/" . $_;
1076 }
1077
1078 \@paths
1092} 1079}
1093 1080
1094=item $player->ext_reply ($msgid, $msgtype, %msg) 1081=item $player->ext_reply ($msgid, $msgtype, %msg)
1095 1082
1096Sends an ext reply to the player. 1083Sends an ext reply to the player.
1097 1084
1098=cut 1085=cut
1099 1086
1100sub cf::player::ext_reply($$$%) { 1087sub ext_reply($$$%) {
1101 my ($self, $id, %msg) = @_; 1088 my ($self, $id, %msg) = @_;
1102 1089
1103 $msg{msgid} = $id; 1090 $msg{msgid} = $id;
1104 1091
1105 $self->send ("ext " . to_json \%msg); 1092 $self->send ("ext " . cf::to_json \%msg);
1106} 1093}
1094
1095package cf;
1107 1096
1108=back 1097=back
1109 1098
1110 1099
1111=head3 cf::map 1100=head3 cf::map
1117package cf::map; 1106package cf::map;
1118 1107
1119use Fcntl; 1108use Fcntl;
1120use Coro::AIO; 1109use Coro::AIO;
1121 1110
1111use overload
1112 '""' => \&as_string;
1113
1122our $MAX_RESET = 3600; 1114our $MAX_RESET = 3600;
1123our $DEFAULT_RESET = 3000; 1115our $DEFAULT_RESET = 3000;
1124 1116
1125sub generate_random_map { 1117sub generate_random_map {
1126 my ($path, $rmp) = @_; 1118 my ($self, $rmp) = @_;
1127 1119
1128 # mit "rum" bekleckern, nicht 1120 # mit "rum" bekleckern, nicht
1129 cf::map::_create_random_map 1121 $self->_create_random_map (
1130 $path,
1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1122 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1123 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1124 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1134 $rmp->{exit_on_final_map}, 1125 $rmp->{exit_on_final_map},
1135 $rmp->{xsize}, $rmp->{ysize}, 1126 $rmp->{xsize}, $rmp->{ysize},
1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1127 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1128 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1129 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1139 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1130 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1131 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1141 (cf::region::find $rmp->{region}) 1132 (cf::region::find $rmp->{region}), $rmp->{custom}
1133 )
1134}
1135
1136sub register {
1137 my (undef, $regex) = @_;
1138 my $pkg = caller;
1139
1140 no strict;
1141 push @{"$pkg\::ISA"}, __PACKAGE__;
1142
1143 $EXT_MAP{$pkg} = qr<$regex>;
1144}
1145
1146# also paths starting with '/'
1147$EXT_MAP{"cf::map"} = qr{^(?=/)};
1148
1149sub normalise {
1150 my ($path, $base) = @_;
1151
1152 # map plan:
1153 #
1154 # /! non-realised random map exit (special hack!)
1155 # {... are special paths that are not being touched
1156 # ?xxx/... are special absolute paths
1157 # ?random/... random maps
1158 # /... normal maps
1159 # ~user/... per-player map of a specific user
1160
1161 $path =~ s/$PATH_SEP/\//go;
1162
1163 # treat it as relative path if it starts with
1164 # something that looks reasonable
1165 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1166 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1167
1168 $base =~ s{[^/]+/?$}{};
1169 $path = "$base/$path";
1170 }
1171
1172 for ($path) {
1173 redo if s{//}{/};
1174 redo if s{/\.?/}{/};
1175 redo if s{/[^/]+/\.\./}{/};
1176 }
1177
1178 $path
1179}
1180
1181sub new_from_path {
1182 my (undef, $path, $base) = @_;
1183
1184 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185
1186 $path = normalise $path, $base;
1187
1188 for my $pkg (keys %EXT_MAP) {
1189 if ($path =~ $EXT_MAP{$pkg}) {
1190 my $self = bless cf::map::new, $pkg;
1191 $self->{path} = $path; $self->path ($path);
1192 $self->init; # pass $1 etc.
1193 return $self;
1194 }
1195 }
1196
1197 Carp::carp "unable to resolve path '$path'.";
1198 ()
1199}
1200
1201sub init {
1202 my ($self) = @_;
1203
1204 $self
1205}
1206
1207sub as_string {
1208 my ($self) = @_;
1209
1210 "$self->{path}"
1211}
1212
1213# the displayed name, this is a one way mapping
1214sub visible_name {
1215 &as_string
1216}
1217
1218# the original (read-only) location
1219sub load_path {
1220 my ($self) = @_;
1221
1222 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1223}
1224
1225# the temporary/swap location
1226sub save_path {
1227 my ($self) = @_;
1228
1229 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1231}
1232
1233# the unique path, undef == no special unique path
1234sub uniq_path {
1235 my ($self) = @_;
1236
1237 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1142} 1239}
1143 1240
1144# and all this just because we cannot iterate over 1241# and all this just because we cannot iterate over
1145# all maps in C++... 1242# all maps in C++...
1146sub change_all_map_light { 1243sub change_all_map_light {
1148 1245
1149 $_->change_map_light ($change) 1246 $_->change_map_light ($change)
1150 for grep $_->outdoor, values %cf::MAP; 1247 for grep $_->outdoor, values %cf::MAP;
1151} 1248}
1152 1249
1250sub unlink_save {
1251 my ($self) = @_;
1252
1253 utf8::encode (my $save = $self->save_path);
1254 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
1255 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
1256}
1257
1153sub try_load_header($) { 1258sub load_header_from($) {
1154 my ($path) = @_; 1259 my ($self, $path) = @_;
1155 1260
1156 utf8::encode $path; 1261 utf8::encode $path;
1157 aio_open $path, O_RDONLY, 0 1262 aio_open $path, O_RDONLY, 0
1158 or return; 1263 or return;
1159 1264
1160 my $map = cf::map::new 1265 $self->_load_header ($path)
1161 or return; 1266 or return;
1162 1267
1163 # for better error messages only, will be overwritten 1268 $self->{load_path} = $path;
1164 $map->path ($path);
1165 1269
1166 $map->load_header ($path) 1270 1
1271}
1272
1273sub load_orig {
1274 my ($self) = @_;
1275
1276 $self->load_header_from ($self->load_path)
1277}
1278
1279sub load_temp {
1280 my ($self) = @_;
1281
1282 $self->load_header_from ($self->save_path)
1283}
1284
1285sub load_header {
1286 my ($self) = @_;
1287
1288 if ($self->load_temp) {
1289 $self->last_access ((delete $self->{last_access})
1290 || $cf::RUNTIME); #d#
1291 # safety
1292 $self->{instantiate_time} = $cf::RUNTIME
1293 if $self->{instantiate_time} > $cf::RUNTIME;
1294 } else {
1295 $self->load_orig
1167 or return; 1296 or return;
1168 1297
1169 $map->{load_path} = $path; 1298 $self->{load_original} = 1;
1299 $self->{instantiate_time} = $cf::RUNTIME;
1300 $self->last_access ($cf::RUNTIME);
1301 $self->instantiate;
1302 }
1170 1303
1171 $map 1304 1
1172} 1305}
1173 1306
1174sub find; 1307sub find;
1175sub find { 1308sub find {
1176 my ($path, $origin) = @_; 1309 my ($path, $origin) = @_;
1177 1310
1178 #warn "find<$path,$origin>\n";#d#
1179
1180 $path = new cf::path $path, $origin && $origin->path; 1311 $path = normalise $path, $origin && $origin->path;
1181 my $key = $path->as_string;
1182 1312
1183 cf::lock_wait "map_find:$key"; 1313 cf::lock_wait "map_find:$path";
1184 1314
1185 $cf::MAP{$key} || do { 1315 $cf::MAP{$path} || do {
1186 my $guard = cf::lock_acquire "map_find:$key"; 1316 my $guard = cf::lock_acquire "map_find:$path";
1187 1317 my $map = new_from_path cf::map $path
1188 # do it the slow way
1189 my $map = try_load_header $path->save_path;
1190
1191 Coro::cede;
1192
1193 if ($map) {
1194 $map->last_access ((delete $map->{last_access})
1195 || $cf::RUNTIME); #d#
1196 # safety
1197 $map->{instantiate_time} = $cf::RUNTIME
1198 if $map->{instantiate_time} > $cf::RUNTIME;
1199 } else {
1200 if (my $rmp = $path->random_map_params) {
1201 $map = generate_random_map $key, $rmp;
1202 } else {
1203 $map = try_load_header $path->load_path;
1204 }
1205
1206 $map or return; 1318 or return;
1207 1319
1208 $map->{load_original} = 1;
1209 $map->{instantiate_time} = $cf::RUNTIME;
1210 $map->last_access ($cf::RUNTIME);
1211 $map->instantiate;
1212
1213 # per-player maps become, after loading, normal maps
1214 $map->per_player (0) if $path->{user_rel};
1215 }
1216
1217 $map->path ($key);
1218 $map->{path} = $path;
1219 $map->{last_save} = $cf::RUNTIME; 1320 $map->{last_save} = $cf::RUNTIME;
1220 1321
1221 Coro::cede; 1322 $map->load_header
1323 or return;
1222 1324
1223 if ($map->should_reset) { 1325 if ($map->should_reset) {
1224 $map->reset; 1326 $map->reset;
1225 undef $guard; 1327 undef $guard;
1226 $map = find $path 1328 $map = find $path
1227 or return; 1329 or return;
1228 } 1330 }
1229 1331
1230 $cf::MAP{$key} = $map 1332 $cf::MAP{$path} = $map
1231 } 1333 }
1232} 1334}
1233 1335
1234sub load { 1336sub load {
1235 my ($self) = @_; 1337 my ($self) = @_;
1236 1338
1237 my $path = $self->{path}; 1339 my $path = $self->{path};
1238 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1340 my $guard = cf::lock_acquire "map_load:$path";
1239 1341
1240 return if $self->in_memory != cf::MAP_SWAPPED; 1342 return if $self->in_memory != cf::MAP_SWAPPED;
1241 1343
1242 $self->in_memory (cf::MAP_LOADING); 1344 $self->in_memory (cf::MAP_LOADING);
1243 1345
1244 $self->alloc; 1346 $self->alloc;
1245 $self->load_objects ($self->{load_path}, 1) 1347 $self->_load_objects ($self->{load_path}, 1)
1246 or return; 1348 or return;
1247 1349
1248 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1350 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1249 if delete $self->{load_original}; 1351 if delete $self->{load_original};
1250 1352
1251 if (my $uniq = $path->uniq_path) { 1353 if (my $uniq = $self->uniq_path) {
1252 utf8::encode $uniq; 1354 utf8::encode $uniq;
1253 if (aio_open $uniq, O_RDONLY, 0) { 1355 if (aio_open $uniq, O_RDONLY, 0) {
1254 $self->clear_unique_items; 1356 $self->clear_unique_items;
1255 $self->load_objects ($uniq, 0); 1357 $self->_load_objects ($uniq, 0);
1256 } 1358 }
1257 } 1359 }
1258 1360
1259 Coro::cede; 1361 Coro::cede;
1260 1362
1261 # now do the right thing for maps 1363 # now do the right thing for maps
1262 $self->link_multipart_objects; 1364 $self->link_multipart_objects;
1263 1365
1264 if ($self->{path}->is_style_map) { 1366 unless ($self->{deny_activate}) {
1265 $self->{deny_save} = 1; 1367 $self->decay_objects;
1266 $self->{deny_reset} = 1;
1267 } else {
1268 $self->fix_auto_apply; 1368 $self->fix_auto_apply;
1269 $self->decay_objects;
1270 $self->update_buttons; 1369 $self->update_buttons;
1370 Coro::cede;
1271 $self->set_darkness_map; 1371 $self->set_darkness_map;
1272 $self->difficulty ($self->estimate_difficulty) 1372 $self->difficulty ($self->estimate_difficulty)
1273 unless $self->difficulty; 1373 unless $self->difficulty;
1374 Coro::cede;
1274 $self->activate; 1375 $self->activate;
1275 } 1376 }
1276 1377
1277 Coro::cede;
1278
1279 $self->in_memory (cf::MAP_IN_MEMORY); 1378 $self->in_memory (cf::MAP_IN_MEMORY);
1379}
1380
1381sub customise_for {
1382 my ($self, $ob) = @_;
1383
1384 return find "~" . $ob->name . "/" . $self->{path}
1385 if $self->per_player;
1386
1387 $self
1388}
1389
1390# find and load all maps in the 3x3 area around a map
1391sub load_diag {
1392 my ($map) = @_;
1393
1394 my @diag; # diagonal neighbours
1395
1396 for (0 .. 3) {
1397 my $neigh = $map->tile_path ($_)
1398 or next;
1399 $neigh = find $neigh, $map
1400 or next;
1401 $neigh->load;
1402
1403 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1404 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1405 }
1406
1407 for (@diag) {
1408 my $neigh = find @$_
1409 or next;
1410 $neigh->load;
1411 }
1280} 1412}
1281 1413
1282sub find_sync { 1414sub find_sync {
1283 my ($path, $origin) = @_; 1415 my ($path, $origin) = @_;
1284 1416
1285 cf::sync_job { cf::map::find $path, $origin } 1417 cf::sync_job { find $path, $origin }
1286} 1418}
1287 1419
1288sub do_load_sync { 1420sub do_load_sync {
1289 my ($map) = @_; 1421 my ($map) = @_;
1290 1422
1291 cf::sync_job { $map->load }; 1423 cf::sync_job { $map->load };
1292} 1424}
1293 1425
1426our %MAP_PREFETCH;
1427our $MAP_PREFETCHER = Coro::async {
1428 while () {
1429 for my $path (keys %MAP_PREFETCH) {
1430 my $map = find $path
1431 or next;
1432 $map->load;
1433
1434 delete $MAP_PREFETCH{$path};
1435 }
1436 Coro::schedule;
1437 }
1438};
1439
1440sub find_async {
1441 my ($path, $origin) = @_;
1442
1443 $path = normalise $path, $origin && $origin->{path};
1444
1445 if (my $map = $cf::MAP{$path}) {
1446 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1447 }
1448
1449 $MAP_PREFETCH{$path} = 0;
1450 $MAP_PREFETCHER->ready;
1451
1452 ()
1453}
1454
1294sub save { 1455sub save {
1295 my ($self) = @_; 1456 my ($self) = @_;
1296 1457
1297 my $lock = cf::lock_acquire "map_data:" . $self->path; 1458 my $lock = cf::lock_acquire "map_data:" . $self->path;
1298 1459
1299 $self->{last_save} = $cf::RUNTIME; 1460 $self->{last_save} = $cf::RUNTIME;
1300 1461
1301 return unless $self->dirty; 1462 return unless $self->dirty;
1302 1463
1303 my $save = $self->{path}->save_path; utf8::encode $save; 1464 my $save = $self->save_path; utf8::encode $save;
1304 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1465 my $uniq = $self->uniq_path; utf8::encode $uniq;
1305 1466
1306 $self->{load_path} = $save; 1467 $self->{load_path} = $save;
1307 1468
1308 return if $self->{deny_save}; 1469 return if $self->{deny_save};
1309 1470
1310 local $self->{last_access} = $self->last_access;#d# 1471 local $self->{last_access} = $self->last_access;#d#
1311 1472
1473 cf::async {
1474 $_->contr->save for $self->players;
1475 };
1476
1312 if ($uniq) { 1477 if ($uniq) {
1313 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1478 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1314 $self->save_objects ($uniq, cf::IO_UNIQUES); 1479 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1315 } else { 1480 } else {
1316 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1481 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1317 } 1482 }
1318} 1483}
1319 1484
1320sub swap_out { 1485sub swap_out {
1321 my ($self) = @_; 1486 my ($self) = @_;
1335 1500
1336sub reset_at { 1501sub reset_at {
1337 my ($self) = @_; 1502 my ($self) = @_;
1338 1503
1339 # TODO: safety, remove and allow resettable per-player maps 1504 # TODO: safety, remove and allow resettable per-player maps
1340 return 1e99 if $self->{path}{user_rel}; 1505 return 1e99 if $self->isa ("ext::map_per_player");#d#
1341 return 1e99 if $self->{deny_reset}; 1506 return 1e99 if $self->{deny_reset};
1342 1507
1343 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1508 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1509 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345 1510
1350 my ($self) = @_; 1515 my ($self) = @_;
1351 1516
1352 $self->reset_at <= $cf::RUNTIME 1517 $self->reset_at <= $cf::RUNTIME
1353} 1518}
1354 1519
1355sub unlink_save {
1356 my ($self) = @_;
1357
1358 utf8::encode (my $save = $self->{path}->save_path);
1359 aioreq_pri 3; IO::AIO::aio_unlink $save;
1360 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361}
1362
1363sub rename { 1520sub rename {
1364 my ($self, $new_path) = @_; 1521 my ($self, $new_path) = @_;
1365 1522
1523 normalise $new_path;
1524
1366 $self->unlink_save; 1525 $self->unlink_save;
1367 1526
1368 delete $cf::MAP{$self->path}; 1527 delete $cf::MAP{$self->path};
1369 $self->{path} = new cf::path $new_path; 1528 $self->{path} = $new_path; $self->path ($self->{path});
1370 $self->path ($self->{path}->as_string);
1371 $cf::MAP{$self->path} = $self; 1529 $cf::MAP{$self->path} = $self;
1372 1530
1373 $self->save; 1531 $self->save;
1374} 1532}
1375 1533
1376sub reset { 1534sub reset {
1377 my ($self) = @_; 1535 my ($self) = @_;
1378 1536
1379 my $lock = cf::lock_acquire "map_data:" . $self->path; 1537 my $lock = cf::lock_acquire "map_data:$self->{path}";
1380 1538
1381 return if $self->players; 1539 return if $self->players;
1382 return if $self->{path}{user_rel};#d# 1540 return if $self->isa ("ext::map_per_player");#d#
1383 1541
1384 warn "resetting map ", $self->path;#d# 1542 warn "resetting map ", $self->path;#d#
1385 1543
1386 delete $cf::MAP{$self->path}; 1544 delete $cf::MAP{$self->path};
1545
1546 $self->in_memory (cf::MAP_SWAPPED);
1547 $self->clear;
1387 1548
1388 $_->clear_links_to ($self) for values %cf::MAP; 1549 $_->clear_links_to ($self) for values %cf::MAP;
1389 1550
1390 $self->unlink_save; 1551 $self->unlink_save;
1391 $self->destroy; 1552 $self->destroy;
1400 $self->reset_timeout (1); 1561 $self->reset_timeout (1);
1401 $self->rename ("{nuke}/" . ($nuke_counter++)); 1562 $self->rename ("{nuke}/" . ($nuke_counter++));
1402 $self->reset; # polite request, might not happen 1563 $self->reset; # polite request, might not happen
1403} 1564}
1404 1565
1405sub customise_for { 1566=item cf::map::unique_maps
1406 my ($map, $ob) = @_;
1407 1567
1408 if ($map->per_player) { 1568Returns an arrayref of paths of all shared maps that have
1409 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1569instantiated unique items. May block.
1410 }
1411 1570
1412 $map 1571=cut
1413}
1414 1572
1415sub emergency_save { 1573sub unique_maps() {
1416 my $freeze_guard = cf::freeze_mainloop; 1574 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1575 or return;
1417 1576
1418 warn "enter emergency map save\n"; 1577 my @paths;
1419 1578
1420 cf::sync_job { 1579 for (@$files) {
1421 warn "begin emergency map save\n"; 1580 utf8::decode $_;
1422 $_->save for values %cf::MAP; 1581 next if /\.pst$/;
1582 next unless /^$PATH_SEP/o;
1583
1584 s/\.map$//;
1585 push @paths, $_;
1423 }; 1586 }
1424 1587
1425 warn "end emergency map save\n"; 1588 \@paths
1426} 1589}
1427 1590
1428package cf; 1591package cf;
1429 1592
1430=back 1593=back
1431 1594
1595=head3 cf::object
1596
1597=cut
1598
1599package cf::object;
1600
1601=over 4
1602
1603=item $ob->inv_recursive
1604
1605Returns the inventory of the object _and_ their inventories, recursively.
1606
1607=cut
1608
1609sub inv_recursive_;
1610sub inv_recursive_ {
1611 map { $_, inv_recursive_ $_->inv } @_
1612}
1613
1614sub inv_recursive {
1615 inv_recursive_ inv $_[0]
1616}
1617
1618package cf;
1619
1620=back
1432 1621
1433=head3 cf::object::player 1622=head3 cf::object::player
1434 1623
1435=over 4 1624=over 4
1436 1625
1476 1665
1477=item $player_object->enter_link 1666=item $player_object->enter_link
1478 1667
1479Freezes the player and moves him/her to a special map (C<{link}>). 1668Freezes the player and moves him/her to a special map (C<{link}>).
1480 1669
1481The player should be reaosnably safe there for short amounts of time. You 1670The player should be reasonably safe there for short amounts of time. You
1482I<MUST> call C<leave_link> as soon as possible, though. 1671I<MUST> call C<leave_link> as soon as possible, though.
1483 1672
1673Will never block.
1674
1484=item $player_object->leave_link ($map, $x, $y) 1675=item $player_object->leave_link ($map, $x, $y)
1485 1676
1486Moves the player out of the specila link map onto the given map. If the 1677Moves the player out of the special C<{link}> map onto the specified
1487map is not valid (or omitted), the player will be moved back to the 1678map. If the map is not valid (or omitted), the player will be moved back
1488location he/she was before the call to C<enter_link>, or, if that fails, 1679to the location he/she was before the call to C<enter_link>, or, if that
1489to the emergency map position. 1680fails, to the emergency map position.
1490 1681
1491Might block. 1682Might block.
1492 1683
1493=cut 1684=cut
1685
1686sub link_map {
1687 unless ($LINK_MAP) {
1688 $LINK_MAP = cf::map::find "{link}"
1689 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1690 $LINK_MAP->load;
1691 }
1692
1693 $LINK_MAP
1694}
1494 1695
1495sub cf::object::player::enter_link { 1696sub cf::object::player::enter_link {
1496 my ($self) = @_; 1697 my ($self) = @_;
1497 1698
1498 $self->deactivate_recursive; 1699 $self->deactivate_recursive;
1499 1700
1500 return if $self->map == $LINK_MAP; 1701 return if UNIVERSAL::isa $self->map, "ext::map_link";
1501 1702
1502 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1703 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1503 if $self->map; 1704 if $self->map;
1504 1705
1505 $self->enter_map ($LINK_MAP, 20, 20); 1706 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1506} 1707}
1507 1708
1508sub cf::object::player::leave_link { 1709sub cf::object::player::leave_link {
1509 my ($self, $map, $x, $y) = @_; 1710 my ($self, $map, $x, $y) = @_;
1510 1711
1528 # use -1 or undef as default coordinates, not 0, 0 1729 # use -1 or undef as default coordinates, not 0, 0
1529 ($x, $y) = ($map->enter_x, $map->enter_y) 1730 ($x, $y) = ($map->enter_x, $map->enter_y)
1530 if $x <=0 && $y <= 0; 1731 if $x <=0 && $y <= 0;
1531 1732
1532 $map->load; 1733 $map->load;
1734 $map->load_diag;
1533 1735
1736 return unless $self->contr->active;
1534 $self->activate_recursive; 1737 $self->activate_recursive;
1535 $self->enter_map ($map, $x, $y); 1738 $self->enter_map ($map, $x, $y);
1536} 1739}
1537 1740
1538cf::player->attach ( 1741cf::player->attach (
1550 my ($pl) = @_; 1753 my ($pl) = @_;
1551 1754
1552 # try to abort aborted map switching on player login :) 1755 # try to abort aborted map switching on player login :)
1553 # should happen only on crashes 1756 # should happen only on crashes
1554 if ($pl->ob->{_link_pos}) { 1757 if ($pl->ob->{_link_pos}) {
1555
1556 $pl->ob->enter_link; 1758 $pl->ob->enter_link;
1557 (async { 1759 (async {
1558 # we need this sleep as the login has a concurrent enter_exit running 1760 # we need this sleep as the login has a concurrent enter_exit running
1559 # and this sleep increases chances of the player not ending up in scorn 1761 # and this sleep increases chances of the player not ending up in scorn
1560 $pl->ob->reply (undef, 1762 $pl->ob->reply (undef,
1576 my ($self, $path, $x, $y) = @_; 1778 my ($self, $path, $x, $y) = @_;
1577 1779
1578 $self->enter_link; 1780 $self->enter_link;
1579 1781
1580 (async { 1782 (async {
1581 $path = new cf::path $path;
1582
1583 my $map = cf::map::find $path->as_string; 1783 my $map = cf::map::find $path;
1584 $map = $map->customise_for ($self) if $map; 1784 $map = $map->customise_for ($self) if $map;
1585 1785
1586# warn "entering ", $map->path, " at ($x, $y)\n" 1786# warn "entering ", $map->path, " at ($x, $y)\n"
1587# if $map; 1787# if $map;
1588 1788
1589 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1789 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1590 1790
1591 $self->leave_link ($map, $x, $y); 1791 $self->leave_link ($map, $x, $y);
1592 })->prio (1); 1792 })->prio (1);
1593} 1793}
1594 1794
1653 $self->deactivate_recursive; # just to be sure 1853 $self->deactivate_recursive; # just to be sure
1654 unless (eval { 1854 unless (eval {
1655 prepare_random_map $exit 1855 prepare_random_map $exit
1656 if $exit->slaying eq "/!"; 1856 if $exit->slaying eq "/!";
1657 1857
1658 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1858 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1659 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1859 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1660 1860
1661 1; 1861 1;
1662 }) { 1862 }) {
1663 $self->message ("Something went wrong deep within the crossfire server. " 1863 $self->message ("Something went wrong deep within the crossfire server. "
1664 . "I'll try to bring you back to the map you were before. " 1864 . "I'll try to bring you back to the map you were before. "
1665 . "Please report this to the dungeon master", 1865 . "Please report this to the dungeon master!",
1666 cf::NDI_UNIQUE | cf::NDI_RED); 1866 cf::NDI_UNIQUE | cf::NDI_RED);
1667 1867
1668 warn "ERROR in enter_exit: $@"; 1868 warn "ERROR in enter_exit: $@";
1669 $self->leave_link; 1869 $self->leave_link;
1670 } 1870 }
2002 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset}; 2202 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2003 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset}; 2203 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2004 2204
2005 if (exists $CFG{mlockall}) { 2205 if (exists $CFG{mlockall}) {
2006 eval { 2206 eval {
2007 $CFG{mlockall} ? &mlockall : &munlockall 2207 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2008 and die "WARNING: m(un)lockall failed: $!\n"; 2208 and die "WARNING: m(un)lockall failed: $!\n";
2009 }; 2209 };
2010 warn $@ if $@; 2210 warn $@ if $@;
2011 } 2211 }
2012} 2212}
2023 load_extensions; 2223 load_extensions;
2024 Event::loop; 2224 Event::loop;
2025} 2225}
2026 2226
2027############################################################################# 2227#############################################################################
2028# initialisation 2228# initialisation and cleanup
2229
2230# install some emergency cleanup handlers
2231BEGIN {
2232 for my $signal (qw(INT HUP TERM)) {
2233 Event->signal (
2234 data => WF_AUTOCANCEL,
2235 signal => $signal,
2236 cb => sub {
2237 cf::cleanup "SIG$signal";
2238 },
2239 );
2240 }
2241}
2242
2243sub emergency_save() {
2244 my $freeze_guard = cf::freeze_mainloop;
2245
2246 warn "enter emergency perl save\n";
2247
2248 cf::sync_job {
2249 # use a peculiar iteration method to avoid tripping on perl
2250 # refcount bugs in for. also avoids problems with players
2251 # and maps saved/destroyed asynchronously.
2252 warn "begin emergency player save\n";
2253 for my $login (keys %cf::PLAYER) {
2254 my $pl = $cf::PLAYER{$login} or next;
2255 $pl->valid or next;
2256 $pl->save;
2257 }
2258 warn "end emergency player save\n";
2259
2260 warn "begin emergency map save\n";
2261 for my $path (keys %cf::MAP) {
2262 my $map = $cf::MAP{$path} or next;
2263 $map->valid or next;
2264 $map->save;
2265 }
2266 warn "end emergency map save\n";
2267 };
2268
2269 warn "leave emergency perl save\n";
2270}
2029 2271
2030sub reload() { 2272sub reload() {
2031 # can/must only be called in main 2273 # can/must only be called in main
2032 if ($Coro::current != $Coro::main) { 2274 if ($Coro::current != $Coro::main) {
2033 warn "can only reload from main coroutine\n"; 2275 warn "can only reload from main coroutine\n";
2034 return; 2276 return;
2035 } 2277 }
2036 2278
2037 warn "reloading..."; 2279 warn "reloading...";
2038 2280
2281 warn "freezing server";
2039 my $guard = freeze_mainloop; 2282 my $guard = freeze_mainloop;
2040 cf::emergency_save; 2283 cf::emergency_save;
2041 2284
2285 warn "sync database to disk";
2286 cf::db_sync;
2287 IO::AIO::flush;
2288
2042 eval { 2289 eval {
2043 # if anything goes wrong in here, we should simply crash as we already saved 2290 # if anything goes wrong in here, we should simply crash as we already saved
2044 2291
2045 # cancel all watchers 2292 warn "cancel all watchers";
2046 for (Event::all_watchers) { 2293 for (Event::all_watchers) {
2047 $_->cancel if $_->data & WF_AUTOCANCEL; 2294 $_->cancel if $_->data & WF_AUTOCANCEL;
2048 } 2295 }
2049 2296
2050 # cancel all extension coros 2297 warn "cancel all extension coros";
2051 $_->cancel for values %EXT_CORO; 2298 $_->cancel for values %EXT_CORO;
2052 %EXT_CORO = (); 2299 %EXT_CORO = ();
2053 2300
2301 warn "remove commands";
2302 %COMMAND = ();
2303
2304 warn "remove ext commands";
2305 %EXTCMD = ();
2306
2054 # unload all extensions 2307 warn "unload/nuke all extensions";
2055 for (@exts) { 2308 for my $pkg (@EXTS) {
2056 warn "unloading <$_>"; 2309 warn "... unloading $pkg";
2057 unload_extension $_; 2310
2311 if (my $cb = $pkg->can ("unload")) {
2312 eval {
2313 $cb->($pkg);
2314 1
2315 } or warn "$pkg unloaded, but with errors: $@";
2058 } 2316 }
2059 2317
2318 warn "... nuking $pkg";
2319 Symbol::delete_package $pkg;
2320 }
2321
2060 # unload all modules loaded from $LIBDIR 2322 warn "unload all perl modules loaded from $LIBDIR";
2061 while (my ($k, $v) = each %INC) { 2323 while (my ($k, $v) = each %INC) {
2062 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2324 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2063 2325
2064 warn "removing <$k>"; 2326 warn "removing <$k>";
2065 delete $INC{$k}; 2327 delete $INC{$k};
2072 } 2334 }
2073 2335
2074 Symbol::delete_package $k; 2336 Symbol::delete_package $k;
2075 } 2337 }
2076 2338
2077 # sync database to disk
2078 cf::db_sync;
2079 IO::AIO::flush;
2080
2081 # get rid of safe::, as good as possible 2339 warn "get rid of safe::, as good as possible";
2082 Symbol::delete_package "safe::$_" 2340 Symbol::delete_package "safe::$_"
2083 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2341 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2084 2342
2085 # remove register_script_function callbacks
2086 # TODO
2087
2088 # unload cf.pm "a bit" 2343 warn "unload cf.pm \"a bit\"";
2089 delete $INC{"cf.pm"}; 2344 delete $INC{"cf.pm"};
2090 2345
2091 # don't, removes xs symbols, too, 2346 # don't, removes xs symbols, too,
2092 # and global variables created in xs 2347 # and global variables created in xs
2093 #Symbol::delete_package __PACKAGE__; 2348 #Symbol::delete_package __PACKAGE__;
2094 2349
2095 # reload cf.pm
2096 warn "reloading cf.pm"; 2350 warn "reloading cf.pm";
2097 require cf; 2351 require cf;
2098 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2352 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2099 2353
2100 # load config and database again 2354 warn "load config and database again";
2101 cf::cfg_load; 2355 cf::cfg_load;
2102 cf::db_load; 2356 cf::db_load;
2103 2357
2104 # load extensions
2105 warn "load extensions"; 2358 warn "load extensions";
2106 cf::load_extensions; 2359 cf::load_extensions;
2107 2360
2108 # reattach attachments to objects 2361 warn "reattach attachments to objects/players";
2109 warn "reattach";
2110 _global_reattach; 2362 _global_reattach;
2363 warn "reattach attachments to maps";
2364 reattach $_ for values %MAP;
2111 }; 2365 };
2112 2366
2113 if ($@) { 2367 if ($@) {
2114 warn $@; 2368 warn $@;
2115 warn "error while reloading, exiting."; 2369 warn "error while reloading, exiting.";
2116 exit 1; 2370 exit 1;
2117 } 2371 }
2118 2372
2119 warn "reloaded successfully"; 2373 warn "reloaded";
2120}; 2374};
2121
2122#############################################################################
2123
2124unless ($LINK_MAP) {
2125 $LINK_MAP = cf::map::new;
2126
2127 $LINK_MAP->width (41);
2128 $LINK_MAP->height (41);
2129 $LINK_MAP->alloc;
2130 $LINK_MAP->path ("{link}");
2131 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2132 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2133
2134 # dirty hack because... archetypes are not yet loaded
2135 Event->timer (
2136 after => 2,
2137 cb => sub {
2138 $_[0]->w->cancel;
2139
2140 # provide some exits "home"
2141 my $exit = cf::object::new "exit";
2142
2143 $exit->slaying ($EMERGENCY_POSITION->[0]);
2144 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2145 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2146
2147 $LINK_MAP->insert ($exit->clone, 19, 19);
2148 $LINK_MAP->insert ($exit->clone, 19, 20);
2149 $LINK_MAP->insert ($exit->clone, 19, 21);
2150 $LINK_MAP->insert ($exit->clone, 20, 19);
2151 $LINK_MAP->insert ($exit->clone, 20, 21);
2152 $LINK_MAP->insert ($exit->clone, 21, 19);
2153 $LINK_MAP->insert ($exit->clone, 21, 20);
2154 $LINK_MAP->insert ($exit->clone, 21, 21);
2155
2156 $exit->destroy;
2157 });
2158
2159 $LINK_MAP->{deny_save} = 1;
2160 $LINK_MAP->{deny_reset} = 1;
2161
2162 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2163}
2164
2165register "<global>", __PACKAGE__;
2166 2375
2167register_command "reload" => sub { 2376register_command "reload" => sub {
2168 my ($who, $arg) = @_; 2377 my ($who, $arg) = @_;
2169 2378
2170 if ($who->flag (FLAG_WIZ)) { 2379 if ($who->flag (FLAG_WIZ)) {
2180 reentrant => 0, 2389 reentrant => 0,
2181 prio => 0, 2390 prio => 0,
2182 at => $NEXT_TICK || $TICK, 2391 at => $NEXT_TICK || $TICK,
2183 data => WF_AUTOCANCEL, 2392 data => WF_AUTOCANCEL,
2184 cb => sub { 2393 cb => sub {
2394 $NOW = Event::time;
2395
2185 cf::server_tick; # one server iteration 2396 cf::server_tick; # one server iteration
2186 $RUNTIME += $TICK; 2397 $RUNTIME += $TICK;
2187 $NEXT_TICK += $TICK; 2398 $NEXT_TICK += $TICK;
2399
2400 $WAIT_FOR_TICK->broadcast;
2401 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2188 2402
2189 # if we are delayed by four ticks or more, skip them all 2403 # if we are delayed by four ticks or more, skip them all
2190 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2404 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2191 2405
2192 $TICK_WATCHER->at ($NEXT_TICK); 2406 $TICK_WATCHER->at ($NEXT_TICK);
2194 }, 2408 },
2195); 2409);
2196 2410
2197IO::AIO::max_poll_time $TICK * 0.2; 2411IO::AIO::max_poll_time $TICK * 0.2;
2198 2412
2199Event->io ( 2413$AIO_POLL_WATCHER = Event->io (
2200 fd => IO::AIO::poll_fileno, 2414 fd => IO::AIO::poll_fileno,
2201 poll => 'r', 2415 poll => 'r',
2202 prio => 5, 2416 prio => 5,
2203 data => WF_AUTOCANCEL, 2417 data => WF_AUTOCANCEL,
2204 cb => \&IO::AIO::poll_cb, 2418 cb => \&IO::AIO::poll_cb,
2205); 2419);
2206 2420
2207Event->timer ( 2421$WRITE_RUNTIME_WATCHER = Event->timer (
2208 data => WF_AUTOCANCEL, 2422 data => WF_AUTOCANCEL,
2209 after => 0, 2423 after => 0,
2210 interval => 10, 2424 interval => 10,
2211 cb => sub { 2425 cb => sub {
2212 (Coro::unblock_sub { 2426 (Coro::unblock_sub {

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