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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.148 by root, Mon Jan 8 12:39:16 2007 UTC vs.
Revision 1.187 by root, Sat Jan 20 21:06:52 2007 UTC

8use Storable; 8use Storable;
9use Opcode; 9use Opcode;
10use Safe; 10use Safe;
11use Safe::Hole; 11use Safe::Hole;
12 12
13use Coro 3.3 (); 13use Coro 3.4 ();
14use Coro::Event; 14use Coro::Event;
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 2.32 (); 23use IO::AIO 2.32 ();
23use YAML::Syck (); 24use YAML::Syck ();
24use Time::HiRes; 25use Time::HiRes;
25 26
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 27use Event; $Event::Eval = 1; # no idea why this is required, but it is
27 28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 32$YAML::Syck::ImplicitUnicode = 1;
30 33
31$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority 34$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32 35
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34
35our %COMMAND = (); 36our %COMMAND = ();
36our %COMMAND_TIME = (); 37our %COMMAND_TIME = ();
38
39our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 40our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps
38 43
39our @EVENT; 44our @EVENT;
40our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
41 46
42our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
44our $NEXT_TICK; 51our $NEXT_TICK;
45our $NOW; 52our $NOW;
46 53
47our %CFG; 54our %CFG;
48 55
49our $UPTIME; $UPTIME ||= time; 56our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 57our $RUNTIME;
51 58
52our %PLAYER; # all users 59our %PLAYER; # all users
53our %MAP; # all maps 60our %MAP; # all maps
54our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
55our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; # coroutines bound to extensions 63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66
67# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 69
58binmode STDOUT; 70binmode STDOUT;
59binmode STDERR; 71binmode STDERR;
60 72
61# read virtual server time, if available 73# read virtual server time, if available
69mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
73 85
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
77 87
78############################################################################# 88#############################################################################
79 89
80=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
105 115
106=item %cf::CFG 116=item %cf::CFG
107 117
108Configuration for the server, loaded from C</etc/crossfire/config>, or 118Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 119from wherever your confdir points to.
120
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
122
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
125processing has been done. Call C<< ->wait >> on them to maximise the
126window of cpu time available, or simply to synchronise to the server tick.
110 127
111=back 128=back
112 129
113=cut 130=cut
114 131
146 163
147$Event::DIED = sub { 164$Event::DIED = sub {
148 warn "error in event callback: @_"; 165 warn "error in event callback: @_";
149}; 166};
150 167
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 168=head2 UTILITY FUNCTIONS
156 169
157=over 4 170=over 4
158 171
172=item dumpval $ref
173
159=cut 174=cut
175
176sub dumpval {
177 eval {
178 local $SIG{__DIE__};
179 my $d;
180 if (1) {
181 $d = new Data::Dumper([$_[0]], ["*var"]);
182 $d->Terse(1);
183 $d->Indent(2);
184 $d->Quotekeys(0);
185 $d->Useqq(1);
186 #$d->Bless(...);
187 $d->Seen($_[1]) if @_ > 1;
188 $d = $d->Dump();
189 }
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d
192 } || "[unable to dump $_[0]: '$@']";
193}
160 194
161use JSON::Syck (); # TODO# replace by JSON::PC once working 195use JSON::Syck (); # TODO# replace by JSON::PC once working
162 196
163=item $ref = cf::from_json $json 197=item $ref = cf::from_json $json
164 198
225} 259}
226 260
227sub freeze_mainloop { 261sub freeze_mainloop {
228 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
229 263
230 my $guard = Coro::guard { $TICK_WATCHER->start }; 264 my $guard = Coro::guard {
265 $TICK_WATCHER->start;
266 $WRITE_RUNTIME_WATCHER->start;
267 };
268 $WRITE_RUNTIME_WATCHER->stop;
231 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
232 $guard 270 $guard
233} 271}
234 272
235=item cf::async { BLOCK } 273=item cf::async { BLOCK }
287 } 325 }
288} 326}
289 327
290=item $coro = cf::async_ext { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
291 329
292Like async, but this coro is automcatially being canceled when the 330Like async, but this coro is automatically being canceled when the
293extension calling this is being unloaded. 331extension calling this is being unloaded.
294 332
295=cut 333=cut
296 334
297sub async_ext(&) { 335sub async_ext(&) {
311 my $runtime = cf::localdir . "/runtime"; 349 my $runtime = cf::localdir . "/runtime";
312 350
313 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 351 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
314 or return; 352 or return;
315 353
354 my $value = $cf::RUNTIME + 90 + 10;
316 my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock 355 # 10 is the runtime save interval, for a monotonic clock
356 # 60 allows for the watchdog to kill the server.
357
317 (aio_write $fh, 0, (length $value), $value, 0) <= 0 358 (aio_write $fh, 0, (length $value), $value, 0) <= 0
318 and return; 359 and return;
319 360
320 aio_fsync $fh 361 aio_fsync $fh
321 and return; 362 and return;
330} 371}
331 372
332=back 373=back
333 374
334=cut 375=cut
335
336#############################################################################
337
338package cf::path;
339
340sub new {
341 my ($class, $path, $base) = @_;
342
343 $path = $path->as_string if ref $path;
344
345 my $self = bless { }, $class;
346
347 # {... are special paths that are not touched
348 # ?xxx/... are special absolute paths
349 # ?random/... random maps
350 # /! non-realised random map exit
351 # /... normal maps
352 # ~/... per-player maps without a specific player (DO NOT USE)
353 # ~user/... per-player map of a specific user
354
355 if ($path =~ /^{/) {
356 # fine as it is
357 } elsif ($path =~ s{^\?random/}{}) {
358 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
359 $self->{random} = cf::from_json $data;
360 } else {
361 if ($path =~ s{^~([^/]+)?}{}) {
362 $self->{user_rel} = 1;
363
364 if (defined $1) {
365 $self->{user} = $1;
366 } elsif ($base =~ m{^~([^/]+)/}) {
367 $self->{user} = $1;
368 } else {
369 warn "cannot resolve user-relative path without user <$path,$base>\n";
370 }
371 } elsif ($path =~ /^\//) {
372 # already absolute
373 } else {
374 $base =~ s{[^/]+/?$}{};
375 return $class->new ("$base/$path");
376 }
377
378 for ($path) {
379 redo if s{/\.?/}{/};
380 redo if s{/[^/]+/\.\./}{/};
381 }
382 }
383
384 $self->{path} = $path;
385
386 $self
387}
388
389# the name / primary key / in-game path
390sub as_string {
391 my ($self) = @_;
392
393 $self->{user_rel} ? "~$self->{user}$self->{path}"
394 : $self->{random} ? "?random/$self->{path}"
395 : $self->{path}
396}
397
398# the displayed name, this is a one way mapping
399sub visible_name {
400 my ($self) = @_;
401
402# if (my $rmp = $self->{random}) {
403# # todo: be more intelligent about this
404# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
405# } else {
406 $self->as_string
407# }
408}
409
410# escape the /'s in the path
411sub _escaped_path {
412 # ∕ is U+2215
413 (my $path = $_[0]{path}) =~ s/\//∕/g;
414 $path
415}
416
417# the original (read-only) location
418sub load_path {
419 my ($self) = @_;
420
421 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
422}
423
424# the temporary/swap location
425sub save_path {
426 my ($self) = @_;
427
428 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
429 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
430 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
431}
432
433# the unique path, might be eq to save_path
434sub uniq_path {
435 my ($self) = @_;
436
437 $self->{user_rel} || $self->{random}
438 ? undef
439 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
440}
441
442# return random map parameters, or undef
443sub random_map_params {
444 my ($self) = @_;
445
446 $self->{random}
447}
448
449# this is somewhat ugly, but style maps do need special treatment
450sub is_style_map {
451 $_[0]{path} =~ m{^/styles/}
452}
453
454package cf;
455 376
456############################################################################# 377#############################################################################
457 378
458=head2 ATTACHABLE OBJECTS 379=head2 ATTACHABLE OBJECTS
459 380
585our @CB_TYPE = (); # registry for type (cf-object class) based events 506our @CB_TYPE = (); # registry for type (cf-object class) based events
586our @CB_MAP = (); 507our @CB_MAP = ();
587 508
588my %attachment; 509my %attachment;
589 510
511sub cf::attachable::thawer_merge {
512 # simply override everything except _meta
513 local $_[0]{_meta};
514 %{$_[0]} = %{$_[1]};
515}
516
590sub _attach_cb($$$$) { 517sub _attach_cb($$$$) {
591 my ($registry, $event, $prio, $cb) = @_; 518 my ($registry, $event, $prio, $cb) = @_;
592 519
593 use sort 'stable'; 520 use sort 'stable';
594 521
765# object support 692# object support
766 693
767sub reattach { 694sub reattach {
768 # basically do the same as instantiate, without calling instantiate 695 # basically do the same as instantiate, without calling instantiate
769 my ($obj) = @_; 696 my ($obj) = @_;
697
698 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
770 699
771 my $registry = $obj->registry; 700 my $registry = $obj->registry;
772 701
773 @$registry = (); 702 @$registry = ();
774 703
906=cut 835=cut
907 836
908sub register_extcmd { 837sub register_extcmd {
909 my ($name, $cb) = @_; 838 my ($name, $cb) = @_;
910 839
911 my $caller = caller;
912 #warn "registering extcmd '$name' to '$caller'";
913
914 $EXTCMD{$name} = [$cb, $caller]; 840 $EXTCMD{$name} = $cb;
915} 841}
916 842
917cf::player->attach ( 843cf::player->attach (
918 on_command => sub { 844 on_command => sub {
919 my ($pl, $name, $params) = @_; 845 my ($pl, $name, $params) = @_;
932 858
933 my $msg = eval { from_json $buf }; 859 my $msg = eval { from_json $buf };
934 860
935 if (ref $msg) { 861 if (ref $msg) {
936 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 862 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
937 if (my %reply = $cb->[0]->($pl, $msg)) { 863 if (my %reply = $cb->($pl, $msg)) {
938 $pl->ext_reply ($msg->{msgid}, %reply); 864 $pl->ext_reply ($msg->{msgid}, %reply);
939 } 865 }
940 } 866 }
941 } else { 867 } else {
942 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 868 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
944 870
945 cf::override; 871 cf::override;
946 }, 872 },
947); 873);
948 874
949sub register {
950 my ($base, $pkg) = @_;
951
952 #TODO
953}
954
955sub load_extension { 875sub load_extension {
956 my ($path) = @_; 876 my ($path) = @_;
957 877
958 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 878 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
959 my $base = $1; 879 my $base = $1;
960 my $pkg = $1; 880 my $pkg = $1;
961 $pkg =~ s/[^[:word:]]/_/g; 881 $pkg =~ s/[^[:word:]]/_/g;
962 $pkg = "ext::$pkg"; 882 $pkg = "ext::$pkg";
963 883
964 warn "loading '$path' into '$pkg'\n"; 884 warn "... loading '$path' into '$pkg'\n";
965 885
966 open my $fh, "<:utf8", $path 886 open my $fh, "<:utf8", $path
967 or die "$path: $!"; 887 or die "$path: $!";
968 888
969 my $source = 889 my $source =
970 "package $pkg; use strict; use utf8;\n" 890 "package $pkg; use strict; use utf8;\n"
971 . "#line 1 \"$path\"\n{\n" 891 . "#line 1 \"$path\"\n{\n"
972 . (do { local $/; <$fh> }) 892 . (do { local $/; <$fh> })
973 . "\n};\n1"; 893 . "\n};\n1";
974 894
975 eval $source 895 unless (eval $source) {
976 or die $@ ? "$path: $@\n" 896 my $msg = $@ ? "$path: $@\n"
977 : "extension disabled.\n"; 897 : "extension disabled.\n";
978 898 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
979 push @exts, $pkg; 899 warn $@;
980 $ext_pkg{$base} = $pkg; 900 warn "mandatory extension failed to load, exiting.\n";
981 901 exit 1;
982# no strict 'refs'; 902 }
983# @{"$pkg\::ISA"} = ext::; 903 die $@;
984
985 register $base, $pkg;
986}
987
988sub unload_extension {
989 my ($pkg) = @_;
990
991 warn "removing extension $pkg\n";
992
993 # remove hooks
994 #TODO
995# for my $idx (0 .. $#PLUGIN_EVENT) {
996# delete $hook[$idx]{$pkg};
997# } 904 }
998 905
999 # remove commands 906 push @EXTS, $pkg;
1000 for my $name (keys %COMMAND) {
1001 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1002
1003 if (@cb) {
1004 $COMMAND{$name} = \@cb;
1005 } else {
1006 delete $COMMAND{$name};
1007 }
1008 }
1009
1010 # remove extcmds
1011 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1012 delete $EXTCMD{$name};
1013 }
1014
1015 if (my $cb = $pkg->can ("unload")) {
1016 eval {
1017 $cb->($pkg);
1018 1
1019 } or warn "$pkg unloaded, but with errors: $@";
1020 }
1021
1022 Symbol::delete_package $pkg;
1023} 907}
1024 908
1025sub load_extensions { 909sub load_extensions {
1026 for my $ext (<$LIBDIR/*.ext>) { 910 for my $ext (<$LIBDIR/*.ext>) {
1027 next unless -r $ext; 911 next unless -r $ext;
1031 } or warn "$ext not loaded: $@"; 915 } or warn "$ext not loaded: $@";
1032 } 916 }
1033} 917}
1034 918
1035############################################################################# 919#############################################################################
1036# load/save/clean perl data associated with a map
1037
1038*cf::mapsupport::on_clean = sub {
1039 my ($map) = @_;
1040
1041 my $path = $map->tmpname;
1042 defined $path or return;
1043
1044 unlink "$path.pst";
1045};
1046
1047cf::map->attach (prio => -10000, package => cf::mapsupport::);
1048
1049#############################################################################
1050# load/save perl data associated with player->ob objects
1051
1052sub all_objects(@) {
1053 @_, map all_objects ($_->inv), @_
1054}
1055
1056# TODO: compatibility cruft, remove when no longer needed
1057cf::player->attach (
1058 on_load => sub {
1059 my ($pl, $path) = @_;
1060
1061 for my $o (all_objects $pl->ob) {
1062 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1063 $o->set_ob_key_value ("_perl_data");
1064
1065 %$o = %{ Storable::thaw pack "H*", $value };
1066 }
1067 }
1068 },
1069);
1070
1071#############################################################################
1072 920
1073=head2 CORE EXTENSIONS 921=head2 CORE EXTENSIONS
1074 922
1075Functions and methods that extend core crossfire objects. 923Functions and methods that extend core crossfire objects.
1076 924
1077=cut 925=cut
1078 926
1079package cf::player; 927package cf::player;
928
929use Coro::AIO;
1080 930
1081=head3 cf::player 931=head3 cf::player
1082 932
1083=over 4 933=over 4
1084 934
1110 960
1111sub exists($) { 961sub exists($) {
1112 my ($login) = @_; 962 my ($login) = @_;
1113 963
1114 $cf::PLAYER{$login} 964 $cf::PLAYER{$login}
1115 or cf::sync_job { !aio_stat $login } 965 or cf::sync_job { !aio_stat path $login }
1116} 966}
1117 967
1118sub find($) { 968sub find($) {
1119 return $cf::PLAYER{$_[0]} || do { 969 return $cf::PLAYER{$_[0]} || do {
1120 my $login = $_[0]; 970 my $login = $_[0];
1121 971
1122 my $guard = cf::lock_acquire "user_find:$login"; 972 my $guard = cf::lock_acquire "user_find:$login";
1123 973
1124 $cf::PLAYER{$login} ||= (load_pl path $login or return); 974 $cf::PLAYER{$_[0]} || do {
975 my $pl = load_pl path $login
976 or return;
977 $cf::PLAYER{$login} = $pl
978 }
1125 }; 979 }
1126} 980}
1127 981
1128sub save($) { 982sub save($) {
1129 my ($pl) = @_; 983 my ($pl) = @_;
1130 984
1133 my $path = path $pl; 987 my $path = path $pl;
1134 my $guard = cf::lock_acquire "user_save:$path"; 988 my $guard = cf::lock_acquire "user_save:$path";
1135 989
1136 return if $pl->{deny_save}; 990 return if $pl->{deny_save};
1137 991
1138 Coro::AIO::aio_mkdir playerdir $pl, 0770; 992 aio_mkdir playerdir $pl, 0770;
1139 $pl->{last_save} = $cf::RUNTIME; 993 $pl->{last_save} = $cf::RUNTIME;
1140 994
1141 $pl->save_pl ($path); 995 $pl->save_pl ($path);
1142 Coro::cede; 996 Coro::cede;
1143} 997}
1152 1006
1153 $cf::PLAYER{$login} = $self; 1007 $cf::PLAYER{$login} = $self;
1154 1008
1155 $self 1009 $self
1156} 1010}
1011
1012=item $pl->quit_character
1013
1014Nukes the player without looking back. If logged in, the connection will
1015be destroyed. May block for a long time.
1016
1017=cut
1157 1018
1158sub quit_character { 1019sub quit_character {
1159 my ($pl) = @_; 1020 my ($pl) = @_;
1160 1021
1161 $pl->{deny_save} = 1; 1022 $pl->{deny_save} = 1;
1166 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1027 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1167 $pl->ns->destroy if $pl->ns; 1028 $pl->ns->destroy if $pl->ns;
1168 1029
1169 my $path = playerdir $pl; 1030 my $path = playerdir $pl;
1170 my $temp = "$path~$cf::RUNTIME~deleting~"; 1031 my $temp = "$path~$cf::RUNTIME~deleting~";
1171 IO::AIO::aio_rename $path, $temp, sub { 1032 aio_rename $path, $temp;
1172 delete $cf::PLAYER{$pl->ob->name}; 1033 delete $cf::PLAYER{$pl->ob->name};
1173 $pl->destroy; 1034 $pl->destroy;
1174
1175 IO::AIO::aio_rmtree $temp; 1035 IO::AIO::aio_rmtree $temp;
1036}
1037
1038=item cf::player::list_logins
1039
1040Returns am arrayref of all valid playernames in the system, can take a
1041while and may block, so not sync_job-capable, ever.
1042
1043=cut
1044
1045sub list_logins {
1046 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1047 or return [];
1048
1049 my @logins;
1050
1051 for my $login (@$dirs) {
1052 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1053 aio_read $fh, 0, 512, my $buf, 0 or next;
1054 $buf !~ /^password -------------$/m or next; # official not-valid tag
1055
1056 utf8::decode $login;
1057 push @logins, $login;
1176 }; 1058 }
1059
1060 \@logins
1061}
1062
1063=item $player->maps
1064
1065Returns an arrayref of map paths that are private for this
1066player. May block.
1067
1068=cut
1069
1070sub maps($) {
1071 my ($pl) = @_;
1072
1073 my $files = aio_readdir playerdir $pl
1074 or return;
1075
1076 my @paths;
1077
1078 for (@$files) {
1079 utf8::decode $_;
1080 next if /\.(?:pl|pst)$/;
1081 next unless /^$PATH_SEP/o;
1082
1083 s/\.map$//;
1084 push @paths, "~" . $pl->ob->name . "/" . $_;
1085 }
1086
1087 \@paths
1177} 1088}
1178 1089
1179=item $player->ext_reply ($msgid, $msgtype, %msg) 1090=item $player->ext_reply ($msgid, $msgtype, %msg)
1180 1091
1181Sends an ext reply to the player. 1092Sends an ext reply to the player.
1204package cf::map; 1115package cf::map;
1205 1116
1206use Fcntl; 1117use Fcntl;
1207use Coro::AIO; 1118use Coro::AIO;
1208 1119
1120use overload
1121 '""' => \&as_string,
1122 fallback => 1;
1123
1209our $MAX_RESET = 3600; 1124our $MAX_RESET = 3600;
1210our $DEFAULT_RESET = 3000; 1125our $DEFAULT_RESET = 3000;
1211 1126
1212sub generate_random_map { 1127sub generate_random_map {
1213 my ($path, $rmp) = @_; 1128 my ($self, $rmp) = @_;
1214
1215 # mit "rum" bekleckern, nicht 1129 # mit "rum" bekleckern, nicht
1216 cf::map::_create_random_map 1130 $self->_create_random_map (
1217 $path,
1218 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1219 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1220 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1221 $rmp->{exit_on_final_map}, 1134 $rmp->{exit_on_final_map},
1222 $rmp->{xsize}, $rmp->{ysize}, 1135 $rmp->{xsize}, $rmp->{ysize},
1223 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1224 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1225 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1226 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1139 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1227 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1228 (cf::region::find $rmp->{region}) 1141 (cf::region::find $rmp->{region}), $rmp->{custom}
1142 )
1143}
1144
1145=item cf::map->register ($regex, $prio)
1146
1147Register a handler for the map path matching the given regex at the
1148givne priority (higher is better, built-in handlers have priority 0, the
1149default).
1150
1151=cut
1152
1153sub register {
1154 my (undef, $regex, $prio) = @_;
1155 my $pkg = caller;
1156
1157 no strict;
1158 push @{"$pkg\::ISA"}, __PACKAGE__;
1159
1160 $EXT_MAP{$pkg} = [$prio, qr<$regex>];
1161}
1162
1163# also paths starting with '/'
1164$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
1165
1166sub thawer_merge {
1167 my ($self, $merge) = @_;
1168
1169 # we have to keep some variables in memory intact
1170 local $self->{path};
1171 local $self->{load_path};
1172 local $self->{deny_save};
1173 local $self->{deny_reset};
1174
1175 $self->SUPER::thawer_merge ($merge);
1176}
1177
1178sub normalise {
1179 my ($path, $base) = @_;
1180
1181 # map plan:
1182 #
1183 # /! non-realised random map exit (special hack!)
1184 # {... are special paths that are not being touched
1185 # ?xxx/... are special absolute paths
1186 # ?random/... random maps
1187 # /... normal maps
1188 # ~user/... per-player map of a specific user
1189
1190 $path =~ s/$PATH_SEP/\//go;
1191
1192 # treat it as relative path if it starts with
1193 # something that looks reasonable
1194 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1195 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1196
1197 $base =~ s{[^/]+/?$}{};
1198 $path = "$base/$path";
1199 }
1200
1201 for ($path) {
1202 redo if s{//}{/};
1203 redo if s{/\.?/}{/};
1204 redo if s{/[^/]+/\.\./}{/};
1205 }
1206
1207 $path
1208}
1209
1210sub new_from_path {
1211 my (undef, $path, $base) = @_;
1212
1213 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1214
1215 $path = normalise $path, $base;
1216
1217 for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1218 if ($path =~ $EXT_MAP{$pkg}[1]) {
1219 my $self = bless cf::map::new, $pkg;
1220 $self->{path} = $path; $self->path ($path);
1221 $self->init; # pass $1 etc.
1222 return $self;
1223 }
1224 }
1225
1226 Carp::carp "unable to resolve path '$path'.";
1227 ()
1228}
1229
1230sub init {
1231 my ($self) = @_;
1232
1233 $self
1234}
1235
1236sub as_string {
1237 my ($self) = @_;
1238
1239 "$self->{path}"
1240}
1241
1242# the displayed name, this is a one way mapping
1243sub visible_name {
1244 &as_string
1245}
1246
1247# the original (read-only) location
1248sub load_path {
1249 my ($self) = @_;
1250
1251 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1252}
1253
1254# the temporary/swap location
1255sub save_path {
1256 my ($self) = @_;
1257
1258 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1259 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1260}
1261
1262# the unique path, undef == no special unique path
1263sub uniq_path {
1264 my ($self) = @_;
1265
1266 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1267 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1229} 1268}
1230 1269
1231# and all this just because we cannot iterate over 1270# and all this just because we cannot iterate over
1232# all maps in C++... 1271# all maps in C++...
1233sub change_all_map_light { 1272sub change_all_map_light {
1235 1274
1236 $_->change_map_light ($change) 1275 $_->change_map_light ($change)
1237 for grep $_->outdoor, values %cf::MAP; 1276 for grep $_->outdoor, values %cf::MAP;
1238} 1277}
1239 1278
1279sub unlink_save {
1280 my ($self) = @_;
1281
1282 utf8::encode (my $save = $self->save_path);
1283 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1284 IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1285}
1286
1240sub try_load_header($) { 1287sub load_header_from($) {
1241 my ($path) = @_; 1288 my ($self, $path) = @_;
1242 1289
1243 utf8::encode $path; 1290 utf8::encode $path;
1244 aio_open $path, O_RDONLY, 0 1291 aio_open $path, O_RDONLY, 0
1245 or return; 1292 or return;
1246 1293
1247 my $map = cf::map::new 1294 $self->_load_header ($path)
1248 or return; 1295 or return;
1249 1296
1250 # for better error messages only, will be overwritten 1297 $self->{load_path} = $path;
1251 $map->path ($path);
1252 1298
1253 $map->load_header ($path) 1299 1
1300}
1301
1302sub load_orig {
1303 my ($self) = @_;
1304
1305 $self->load_header_from ($self->load_path)
1306}
1307
1308sub load_temp {
1309 my ($self) = @_;
1310
1311 $self->load_header_from ($self->save_path)
1312}
1313
1314sub load_header {
1315 my ($self) = @_;
1316
1317 if ($self->load_temp) {
1318 $self->last_access ((delete $self->{last_access})
1319 || $cf::RUNTIME); #d#
1320 # safety
1321 $self->{instantiate_time} = $cf::RUNTIME
1322 if $self->{instantiate_time} > $cf::RUNTIME;
1323 } else {
1324 $self->load_orig
1254 or return; 1325 or return;
1255 1326
1256 $map->{load_path} = $path; 1327 $self->{load_original} = 1;
1328 $self->{instantiate_time} = $cf::RUNTIME;
1329 $self->last_access ($cf::RUNTIME);
1330 $self->instantiate;
1331 }
1257 1332
1258 $map 1333 1
1259} 1334}
1260 1335
1261sub find; 1336sub find;
1262sub find { 1337sub find {
1263 my ($path, $origin) = @_; 1338 my ($path, $origin) = @_;
1264 1339
1265 #warn "find<$path,$origin>\n";#d#
1266
1267 $path = new cf::path $path, $origin && $origin->path; 1340 $path = normalise $path, $origin && $origin->path;
1268 my $key = $path->as_string;
1269 1341
1270 cf::lock_wait "map_find:$key"; 1342 cf::lock_wait "map_find:$path";
1271 1343
1272 $cf::MAP{$key} || do { 1344 $cf::MAP{$path} || do {
1273 my $guard = cf::lock_acquire "map_find:$key"; 1345 my $guard = cf::lock_acquire "map_find:$path";
1274 1346 my $map = new_from_path cf::map $path
1275 # do it the slow way
1276 my $map = try_load_header $path->save_path;
1277
1278 Coro::cede;
1279
1280 if ($map) {
1281 $map->last_access ((delete $map->{last_access})
1282 || $cf::RUNTIME); #d#
1283 # safety
1284 $map->{instantiate_time} = $cf::RUNTIME
1285 if $map->{instantiate_time} > $cf::RUNTIME;
1286 } else {
1287 if (my $rmp = $path->random_map_params) {
1288 $map = generate_random_map $key, $rmp;
1289 } else {
1290 $map = try_load_header $path->load_path;
1291 }
1292
1293 $map or return; 1347 or return;
1294 1348
1295 $map->{load_original} = 1;
1296 $map->{instantiate_time} = $cf::RUNTIME;
1297 $map->last_access ($cf::RUNTIME);
1298 $map->instantiate;
1299
1300 # per-player maps become, after loading, normal maps
1301 $map->per_player (0) if $path->{user_rel};
1302 }
1303
1304 $map->path ($key);
1305 $map->{path} = $path;
1306 $map->{last_save} = $cf::RUNTIME; 1349 $map->{last_save} = $cf::RUNTIME;
1307 1350
1308 Coro::cede; 1351 $map->load_header
1352 or return;
1309 1353
1310 if ($map->should_reset) { 1354 if ($map->should_reset) {
1355 # doing this can freeze the server in a sync job, obviously
1356 #$cf::WAIT_FOR_TICK->wait;
1311 $map->reset; 1357 $map->reset;
1312 undef $guard; 1358 undef $guard;
1313 $map = find $path 1359 $map = find $path
1314 or return; 1360 or return;
1315 } 1361 }
1316 1362
1317 $cf::MAP{$key} = $map 1363 $cf::MAP{$path} = $map
1318 } 1364 }
1319} 1365}
1320 1366
1321sub load { 1367sub load {
1322 my ($self) = @_; 1368 my ($self) = @_;
1323 1369
1324 my $path = $self->{path}; 1370 my $path = $self->{path};
1325 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1371 my $guard = cf::lock_acquire "map_load:$path";
1326 1372
1327 return if $self->in_memory != cf::MAP_SWAPPED; 1373 return if $self->in_memory != cf::MAP_SWAPPED;
1328 1374
1329 $self->in_memory (cf::MAP_LOADING); 1375 $self->in_memory (cf::MAP_LOADING);
1330 1376
1331 $self->alloc; 1377 $self->alloc;
1332 $self->load_objects ($self->{load_path}, 1) 1378 $self->_load_objects ($self->{load_path}, 1)
1333 or return; 1379 or return;
1334 1380
1335 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1381 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336 if delete $self->{load_original}; 1382 if delete $self->{load_original};
1337 1383
1338 if (my $uniq = $path->uniq_path) { 1384 if (my $uniq = $self->uniq_path) {
1339 utf8::encode $uniq; 1385 utf8::encode $uniq;
1340 if (aio_open $uniq, O_RDONLY, 0) { 1386 if (aio_open $uniq, O_RDONLY, 0) {
1341 $self->clear_unique_items; 1387 $self->clear_unique_items;
1342 $self->load_objects ($uniq, 0); 1388 $self->_load_objects ($uniq, 0);
1343 } 1389 }
1344 } 1390 }
1345 1391
1346 Coro::cede; 1392 Coro::cede;
1347 1393
1348 # now do the right thing for maps 1394 # now do the right thing for maps
1349 $self->link_multipart_objects; 1395 $self->link_multipart_objects;
1350 1396
1351 if ($self->{path}->is_style_map) { 1397 unless ($self->{deny_activate}) {
1352 $self->{deny_save} = 1; 1398 $self->decay_objects;
1353 $self->{deny_reset} = 1;
1354 } else {
1355 $self->fix_auto_apply; 1399 $self->fix_auto_apply;
1356 $self->decay_objects;
1357 $self->update_buttons; 1400 $self->update_buttons;
1401 Coro::cede;
1358 $self->set_darkness_map; 1402 $self->set_darkness_map;
1359 $self->difficulty ($self->estimate_difficulty) 1403 $self->difficulty ($self->estimate_difficulty)
1360 unless $self->difficulty; 1404 unless $self->difficulty;
1405 Coro::cede;
1361 $self->activate; 1406 $self->activate;
1362 } 1407 }
1363 1408
1364 Coro::cede;
1365
1366 $self->in_memory (cf::MAP_IN_MEMORY); 1409 $self->in_memory (cf::MAP_IN_MEMORY);
1410}
1411
1412sub customise_for {
1413 my ($self, $ob) = @_;
1414
1415 return find "~" . $ob->name . "/" . $self->{path}
1416 if $self->per_player;
1417
1418 $self
1419}
1420
1421# find and load all maps in the 3x3 area around a map
1422sub load_diag {
1423 my ($map) = @_;
1424
1425 my @diag; # diagonal neighbours
1426
1427 for (0 .. 3) {
1428 my $neigh = $map->tile_path ($_)
1429 or next;
1430 $neigh = find $neigh, $map
1431 or next;
1432 $neigh->load;
1433
1434 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1435 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1436 }
1437
1438 for (@diag) {
1439 my $neigh = find @$_
1440 or next;
1441 $neigh->load;
1442 }
1367} 1443}
1368 1444
1369sub find_sync { 1445sub find_sync {
1370 my ($path, $origin) = @_; 1446 my ($path, $origin) = @_;
1371 1447
1372 cf::sync_job { cf::map::find $path, $origin } 1448 cf::sync_job { find $path, $origin }
1373} 1449}
1374 1450
1375sub do_load_sync { 1451sub do_load_sync {
1376 my ($map) = @_; 1452 my ($map) = @_;
1377 1453
1378 cf::sync_job { $map->load }; 1454 cf::sync_job { $map->load };
1379} 1455}
1380 1456
1457our %MAP_PREFETCH;
1458our $MAP_PREFETCHER = undef;
1459
1460sub find_async {
1461 my ($path, $origin) = @_;
1462
1463 $path = normalise $path, $origin && $origin->{path};
1464
1465 if (my $map = $cf::MAP{$path}) {
1466 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1467 }
1468
1469 undef $MAP_PREFETCH{$path};
1470 $MAP_PREFETCHER ||= cf::async {
1471 while (%MAP_PREFETCH) {
1472 for my $path (keys %MAP_PREFETCH) {
1473 my $map = find $path
1474 or next;
1475 $map->load;
1476
1477 delete $MAP_PREFETCH{$path};
1478 }
1479 }
1480 undef $MAP_PREFETCHER;
1481 };
1482
1483 ()
1484}
1485
1381sub save { 1486sub save {
1382 my ($self) = @_; 1487 my ($self) = @_;
1383 1488
1384 my $lock = cf::lock_acquire "map_data:" . $self->path; 1489 my $lock = cf::lock_acquire "map_data:" . $self->path;
1385 1490
1386 $self->{last_save} = $cf::RUNTIME; 1491 $self->{last_save} = $cf::RUNTIME;
1387 1492
1388 return unless $self->dirty; 1493 return unless $self->dirty;
1389 1494
1390 my $save = $self->{path}->save_path; utf8::encode $save; 1495 my $save = $self->save_path; utf8::encode $save;
1391 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1496 my $uniq = $self->uniq_path; utf8::encode $uniq;
1392 1497
1393 $self->{load_path} = $save; 1498 $self->{load_path} = $save;
1394 1499
1395 return if $self->{deny_save}; 1500 return if $self->{deny_save};
1396 1501
1399 cf::async { 1504 cf::async {
1400 $_->contr->save for $self->players; 1505 $_->contr->save for $self->players;
1401 }; 1506 };
1402 1507
1403 if ($uniq) { 1508 if ($uniq) {
1404 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1509 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405 $self->save_objects ($uniq, cf::IO_UNIQUES); 1510 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1406 } else { 1511 } else {
1407 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1512 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408 } 1513 }
1409} 1514}
1410 1515
1411sub swap_out { 1516sub swap_out {
1412 my ($self) = @_; 1517 my ($self) = @_;
1426 1531
1427sub reset_at { 1532sub reset_at {
1428 my ($self) = @_; 1533 my ($self) = @_;
1429 1534
1430 # TODO: safety, remove and allow resettable per-player maps 1535 # TODO: safety, remove and allow resettable per-player maps
1431 return 1e99 if $self->{path}{user_rel}; 1536 return 1e99 if $self->isa ("ext::map_per_player");#d#
1432 return 1e99 if $self->{deny_reset}; 1537 return 1e99 if $self->{deny_reset};
1433 1538
1434 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1539 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1540 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436 1541
1441 my ($self) = @_; 1546 my ($self) = @_;
1442 1547
1443 $self->reset_at <= $cf::RUNTIME 1548 $self->reset_at <= $cf::RUNTIME
1444} 1549}
1445 1550
1446sub unlink_save {
1447 my ($self) = @_;
1448
1449 utf8::encode (my $save = $self->{path}->save_path);
1450 aioreq_pri 3; IO::AIO::aio_unlink $save;
1451 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1452}
1453
1454sub rename {
1455 my ($self, $new_path) = @_;
1456
1457 $self->unlink_save;
1458
1459 delete $cf::MAP{$self->path};
1460 $self->{path} = new cf::path $new_path;
1461 $self->path ($self->{path}->as_string);
1462 $cf::MAP{$self->path} = $self;
1463
1464 $self->save;
1465}
1466
1467sub reset { 1551sub reset {
1468 my ($self) = @_; 1552 my ($self) = @_;
1469 1553
1470 my $lock = cf::lock_acquire "map_data:" . $self->path; 1554 my $lock = cf::lock_acquire "map_data:$self->{path}";
1471 1555
1472 return if $self->players; 1556 return if $self->players;
1473 return if $self->{path}{user_rel};#d# 1557 return if $self->isa ("ext::map_per_player");#d#
1474 1558
1475 warn "resetting map ", $self->path;#d# 1559 warn "resetting map ", $self->path;#d#
1476 1560
1477 delete $cf::MAP{$self->path}; 1561 delete $cf::MAP{$self->path};
1562
1563 $self->in_memory (cf::MAP_SWAPPED);
1564 $self->clear;
1478 1565
1479 $_->clear_links_to ($self) for values %cf::MAP; 1566 $_->clear_links_to ($self) for values %cf::MAP;
1480 1567
1481 $self->unlink_save; 1568 $self->unlink_save;
1482 $self->destroy; 1569 $self->destroy;
1485my $nuke_counter = "aaaa"; 1572my $nuke_counter = "aaaa";
1486 1573
1487sub nuke { 1574sub nuke {
1488 my ($self) = @_; 1575 my ($self) = @_;
1489 1576
1577 delete $cf::MAP{$self->path};
1578
1579 $self->unlink_save;
1580
1581 bless $self, "cf::map";
1582 delete $self->{deny_reset};
1490 $self->{deny_save} = 1; 1583 $self->{deny_save} = 1;
1491 $self->reset_timeout (1); 1584 $self->reset_timeout (1);
1492 $self->rename ("{nuke}/" . ($nuke_counter++)); 1585 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1586
1587 $cf::MAP{$self->path} = $self;
1588
1493 $self->reset; # polite request, might not happen 1589 $self->reset; # polite request, might not happen
1494} 1590}
1495 1591
1496sub customise_for { 1592=item cf::map::unique_maps
1497 my ($map, $ob) = @_;
1498 1593
1499 if ($map->per_player) { 1594Returns an arrayref of paths of all shared maps that have
1500 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1595instantiated unique items. May block.
1501 }
1502 1596
1503 $map 1597=cut
1504}
1505 1598
1506sub emergency_save { 1599sub unique_maps() {
1507 my $freeze_guard = cf::freeze_mainloop; 1600 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1601 or return;
1508 1602
1509 warn "enter emergency perl save\n"; 1603 my @paths;
1510 1604
1511 cf::sync_job { 1605 for (@$files) {
1512 warn "begin emergency player save\n"; 1606 utf8::decode $_;
1513 $_->save for values %cf::PLAYER; 1607 next if /\.pst$/;
1514 warn "end emergency player save\n"; 1608 next unless /^$PATH_SEP/o;
1515 1609
1516 warn "begin emergency map save\n"; 1610 s/\.map$//;
1517 $_->save for values %cf::MAP; 1611 push @paths, $_;
1518 warn "end emergency map save\n";
1519 }; 1612 }
1520 1613
1521 warn "leave emergency perl save\n"; 1614 \@paths
1522} 1615}
1523 1616
1524package cf; 1617package cf;
1525 1618
1526=back 1619=back
1527 1620
1621=head3 cf::object
1622
1623=cut
1624
1625package cf::object;
1626
1627=over 4
1628
1629=item $ob->inv_recursive
1630
1631Returns the inventory of the object _and_ their inventories, recursively.
1632
1633=cut
1634
1635sub inv_recursive_;
1636sub inv_recursive_ {
1637 map { $_, inv_recursive_ $_->inv } @_
1638}
1639
1640sub inv_recursive {
1641 inv_recursive_ inv $_[0]
1642}
1643
1644package cf;
1645
1646=back
1528 1647
1529=head3 cf::object::player 1648=head3 cf::object::player
1530 1649
1531=over 4 1650=over 4
1532 1651
1572 1691
1573=item $player_object->enter_link 1692=item $player_object->enter_link
1574 1693
1575Freezes the player and moves him/her to a special map (C<{link}>). 1694Freezes the player and moves him/her to a special map (C<{link}>).
1576 1695
1577The player should be reaosnably safe there for short amounts of time. You 1696The player should be reasonably safe there for short amounts of time. You
1578I<MUST> call C<leave_link> as soon as possible, though. 1697I<MUST> call C<leave_link> as soon as possible, though.
1579 1698
1699Will never block.
1700
1580=item $player_object->leave_link ($map, $x, $y) 1701=item $player_object->leave_link ($map, $x, $y)
1581 1702
1582Moves the player out of the specila link map onto the given map. If the 1703Moves the player out of the special C<{link}> map onto the specified
1583map is not valid (or omitted), the player will be moved back to the 1704map. If the map is not valid (or omitted), the player will be moved back
1584location he/she was before the call to C<enter_link>, or, if that fails, 1705to the location he/she was before the call to C<enter_link>, or, if that
1585to the emergency map position. 1706fails, to the emergency map position.
1586 1707
1587Might block. 1708Might block.
1588 1709
1589=cut 1710=cut
1711
1712sub link_map {
1713 unless ($LINK_MAP) {
1714 $LINK_MAP = cf::map::find "{link}"
1715 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1716 $LINK_MAP->load;
1717 }
1718
1719 $LINK_MAP
1720}
1590 1721
1591sub cf::object::player::enter_link { 1722sub cf::object::player::enter_link {
1592 my ($self) = @_; 1723 my ($self) = @_;
1593 1724
1594 $self->deactivate_recursive; 1725 $self->deactivate_recursive;
1595 1726
1596 return if $self->map == $LINK_MAP; 1727 return if UNIVERSAL::isa $self->map, "ext::map_link";
1597 1728
1598 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1729 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599 if $self->map; 1730 if $self->map;
1600 1731
1601 $self->enter_map ($LINK_MAP, 20, 20); 1732 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1602} 1733}
1603 1734
1604sub cf::object::player::leave_link { 1735sub cf::object::player::leave_link {
1605 my ($self, $map, $x, $y) = @_; 1736 my ($self, $map, $x, $y) = @_;
1606 1737
1624 # use -1 or undef as default coordinates, not 0, 0 1755 # use -1 or undef as default coordinates, not 0, 0
1625 ($x, $y) = ($map->enter_x, $map->enter_y) 1756 ($x, $y) = ($map->enter_x, $map->enter_y)
1626 if $x <=0 && $y <= 0; 1757 if $x <=0 && $y <= 0;
1627 1758
1628 $map->load; 1759 $map->load;
1760 $map->load_diag;
1629 1761
1630 return unless $self->contr->active; 1762 return unless $self->contr->active;
1631 $self->activate_recursive; 1763 $self->activate_recursive;
1632 $self->enter_map ($map, $x, $y); 1764 $self->enter_map ($map, $x, $y);
1633} 1765}
1672 my ($self, $path, $x, $y) = @_; 1804 my ($self, $path, $x, $y) = @_;
1673 1805
1674 $self->enter_link; 1806 $self->enter_link;
1675 1807
1676 (async { 1808 (async {
1677 $path = new cf::path $path;
1678
1679 my $map = cf::map::find $path->as_string; 1809 my $map = cf::map::find $path;
1680 $map = $map->customise_for ($self) if $map; 1810 $map = $map->customise_for ($self) if $map;
1681 1811
1682# warn "entering ", $map->path, " at ($x, $y)\n" 1812# warn "entering ", $map->path, " at ($x, $y)\n"
1683# if $map; 1813# if $map;
1684 1814
1685 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1815 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1686 1816
1687 $self->leave_link ($map, $x, $y); 1817 $self->leave_link ($map, $x, $y);
1688 })->prio (1); 1818 })->prio (1);
1689} 1819}
1690 1820
1694 1824
1695sub parse_random_map_params { 1825sub parse_random_map_params {
1696 my ($spec) = @_; 1826 my ($spec) = @_;
1697 1827
1698 my $rmp = { # defaults 1828 my $rmp = { # defaults
1699 xsize => 10, 1829 xsize => (cf::rndm 15, 40),
1700 ysize => 10, 1830 ysize => (cf::rndm 15, 40),
1831 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1832 #layout => string,
1701 }; 1833 };
1702 1834
1703 for (split /\n/, $spec) { 1835 for (split /\n/, $spec) {
1704 my ($k, $v) = split /\s+/, $_, 2; 1836 my ($k, $v) = split /\s+/, $_, 2;
1705 1837
1709 $rmp 1841 $rmp
1710} 1842}
1711 1843
1712sub prepare_random_map { 1844sub prepare_random_map {
1713 my ($exit) = @_; 1845 my ($exit) = @_;
1846
1847 my $guard = cf::lock_acquire "exit_prepare:$exit";
1714 1848
1715 # all this does is basically replace the /! path by 1849 # all this does is basically replace the /! path by
1716 # a new random map path (?random/...) with a seed 1850 # a new random map path (?random/...) with a seed
1717 # that depends on the exit object 1851 # that depends on the exit object
1718 1852
1727 1861
1728 $rmp->{random_seed} ||= $exit->random_seed; 1862 $rmp->{random_seed} ||= $exit->random_seed;
1729 1863
1730 my $data = cf::to_json $rmp; 1864 my $data = cf::to_json $rmp;
1731 my $md5 = Digest::MD5::md5_hex $data; 1865 my $md5 = Digest::MD5::md5_hex $data;
1866 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1732 1867
1733 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1868 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1734 aio_write $fh, 0, (length $data), $data, 0; 1869 aio_write $fh, 0, (length $data), $data, 0;
1870 undef $fh;
1871 aio_rename "$meta~", $meta;
1735 1872
1736 $exit->slaying ("?random/$md5"); 1873 $exit->slaying ("?random/$md5");
1737 $exit->msg (undef); 1874 $exit->msg (undef);
1738 } 1875 }
1739} 1876}
1749 $self->deactivate_recursive; # just to be sure 1886 $self->deactivate_recursive; # just to be sure
1750 unless (eval { 1887 unless (eval {
1751 prepare_random_map $exit 1888 prepare_random_map $exit
1752 if $exit->slaying eq "/!"; 1889 if $exit->slaying eq "/!";
1753 1890
1754 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1891 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1755 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1892 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1756 1893
1757 1; 1894 1;
1758 }) { 1895 }) {
1759 $self->message ("Something went wrong deep within the crossfire server. " 1896 $self->message ("Something went wrong deep within the crossfire server. "
1760 . "I'll try to bring you back to the map you were before. " 1897 . "I'll try to bring you back to the map you were before. "
1761 . "Please report this to the dungeon master", 1898 . "Please report this to the dungeon master!",
1762 cf::NDI_UNIQUE | cf::NDI_RED); 1899 cf::NDI_UNIQUE | cf::NDI_RED);
1763 1900
1764 warn "ERROR in enter_exit: $@"; 1901 warn "ERROR in enter_exit: $@";
1765 $self->leave_link; 1902 $self->leave_link;
1766 } 1903 }
2049 sub db_sync() { 2186 sub db_sync() {
2050 db_save if $dirty; 2187 db_save if $dirty;
2051 undef $dirty; 2188 undef $dirty;
2052 } 2189 }
2053 2190
2054 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2191 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2055 db_sync; 2192 db_sync;
2056 }); 2193 });
2057 2194
2058 sub db_dirty() { 2195 sub db_dirty() {
2059 $dirty = 1; 2196 $dirty = 1;
2109 2246
2110sub main { 2247sub main {
2111 # we must not ever block the main coroutine 2248 # we must not ever block the main coroutine
2112 local $Coro::idle = sub { 2249 local $Coro::idle = sub {
2113 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2250 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2251 (async {
2114 async { Event::one_event }; 2252 Event::one_event;
2253 })->prio (Coro::PRIO_MAX);
2115 }; 2254 };
2116 2255
2117 cfg_load; 2256 cfg_load;
2118 db_load; 2257 db_load;
2119 load_extensions; 2258 load_extensions;
2259
2260 $TICK_WATCHER->start;
2120 Event::loop; 2261 Event::loop;
2121} 2262}
2122 2263
2123############################################################################# 2264#############################################################################
2124# initialisation 2265# initialisation and cleanup
2266
2267# install some emergency cleanup handlers
2268BEGIN {
2269 for my $signal (qw(INT HUP TERM)) {
2270 Event->signal (
2271 data => WF_AUTOCANCEL,
2272 signal => $signal,
2273 cb => sub {
2274 cf::cleanup "SIG$signal";
2275 },
2276 );
2277 }
2278}
2279
2280sub emergency_save() {
2281 my $freeze_guard = cf::freeze_mainloop;
2282
2283 warn "enter emergency perl save\n";
2284
2285 cf::sync_job {
2286 # use a peculiar iteration method to avoid tripping on perl
2287 # refcount bugs in for. also avoids problems with players
2288 # and maps saved/destroyed asynchronously.
2289 warn "begin emergency player save\n";
2290 for my $login (keys %cf::PLAYER) {
2291 my $pl = $cf::PLAYER{$login} or next;
2292 $pl->valid or next;
2293 $pl->save;
2294 }
2295 warn "end emergency player save\n";
2296
2297 warn "begin emergency map save\n";
2298 for my $path (keys %cf::MAP) {
2299 my $map = $cf::MAP{$path} or next;
2300 $map->valid or next;
2301 $map->save;
2302 }
2303 warn "end emergency map save\n";
2304 };
2305
2306 warn "leave emergency perl save\n";
2307}
2125 2308
2126sub reload() { 2309sub reload() {
2127 # can/must only be called in main 2310 # can/must only be called in main
2128 if ($Coro::current != $Coro::main) { 2311 if ($Coro::current != $Coro::main) {
2129 warn "can only reload from main coroutine\n"; 2312 warn "can only reload from main coroutine";
2130 return; 2313 return;
2131 } 2314 }
2132 2315
2133 warn "reloading..."; 2316 warn "reloading...";
2134 2317
2135 my $guard = freeze_mainloop; 2318 warn "cancelling server ticker";
2319 $TICK_WATCHER->cancel;
2320
2136 cf::emergency_save; 2321 cf::emergency_save;
2137 2322
2138 eval { 2323 eval {
2139 # if anything goes wrong in here, we should simply crash as we already saved 2324 # if anything goes wrong in here, we should simply crash as we already saved
2140 2325
2141 # cancel all watchers 2326 warn "syncing database to disk";
2327 cf::db_sync;
2328
2329 warn "cancelling all WF_AUTOCANCEL watchers";
2142 for (Event::all_watchers) { 2330 for (Event::all_watchers) {
2143 $_->cancel if $_->data & WF_AUTOCANCEL; 2331 $_->cancel if $_->data & WF_AUTOCANCEL;
2144 } 2332 }
2145 2333
2334 warn "flushing outstanding aio requests";
2335 for (;;) {
2336 IO::AIO::flush;
2337 Coro::cede;
2338 last unless IO::AIO::nreqs;
2339 warn "iterate...";
2340 }
2341
2146 # cancel all extension coros 2342 warn "cancelling all extension coros";
2147 $_->cancel for values %EXT_CORO; 2343 $_->cancel for values %EXT_CORO;
2148 %EXT_CORO = (); 2344 %EXT_CORO = ();
2149 2345
2150 # unload all extensions 2346 warn "removing commands";
2151 for (@exts) { 2347 %COMMAND = ();
2348
2349 warn "removing ext commands";
2350 %EXTCMD = ();
2351
2352 warn "unloading/nuking all extensions";
2353 for my $pkg (@EXTS) {
2152 warn "unloading <$_>"; 2354 warn "... unloading $pkg";
2153 unload_extension $_; 2355
2356 if (my $cb = $pkg->can ("unload")) {
2357 eval {
2358 $cb->($pkg);
2359 1
2360 } or warn "$pkg unloaded, but with errors: $@";
2154 } 2361 }
2155 2362
2363 warn "... nuking $pkg";
2364 Symbol::delete_package $pkg;
2365 }
2366
2156 # unload all modules loaded from $LIBDIR 2367 warn "unloading all perl modules loaded from $LIBDIR";
2157 while (my ($k, $v) = each %INC) { 2368 while (my ($k, $v) = each %INC) {
2158 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2369 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2159 2370
2160 warn "removing <$k>"; 2371 warn "... unloading $k";
2161 delete $INC{$k}; 2372 delete $INC{$k};
2162 2373
2163 $k =~ s/\.pm$//; 2374 $k =~ s/\.pm$//;
2164 $k =~ s/\//::/g; 2375 $k =~ s/\//::/g;
2165 2376
2168 } 2379 }
2169 2380
2170 Symbol::delete_package $k; 2381 Symbol::delete_package $k;
2171 } 2382 }
2172 2383
2173 # sync database to disk
2174 cf::db_sync;
2175 IO::AIO::flush;
2176
2177 # get rid of safe::, as good as possible 2384 warn "getting rid of safe::, as good as possible";
2178 Symbol::delete_package "safe::$_" 2385 Symbol::delete_package "safe::$_"
2179 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2386 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2180 2387
2181 # remove register_script_function callbacks
2182 # TODO
2183
2184 # unload cf.pm "a bit" 2388 warn "unloading cf.pm \"a bit\"";
2185 delete $INC{"cf.pm"}; 2389 delete $INC{"cf.pm"};
2186 2390
2187 # don't, removes xs symbols, too, 2391 # don't, removes xs symbols, too,
2188 # and global variables created in xs 2392 # and global variables created in xs
2189 #Symbol::delete_package __PACKAGE__; 2393 #Symbol::delete_package __PACKAGE__;
2190 2394
2191 # reload cf.pm 2395 warn "unload completed, starting to reload now";
2396
2192 warn "reloading cf.pm"; 2397 warn "reloading cf.pm";
2193 require cf; 2398 require cf;
2194 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2399 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2195 2400
2196 # load config and database again 2401 warn "loading config and database again";
2197 cf::cfg_load; 2402 cf::cfg_load;
2198 cf::db_load; 2403 cf::db_load;
2199 2404
2200 # load extensions
2201 warn "load extensions"; 2405 warn "loading extensions";
2202 cf::load_extensions; 2406 cf::load_extensions;
2203 2407
2204 # reattach attachments to objects 2408 warn "reattaching attachments to objects/players";
2205 warn "reattach";
2206 _global_reattach; 2409 _global_reattach;
2410 warn "reattaching attachments to maps";
2207 reattach $_ for values %MAP; 2411 reattach $_ for values %MAP;
2412
2413 warn "restarting server ticker";
2414
2415 $TICK_WATCHER->start;
2208 }; 2416 };
2209 2417
2210 if ($@) { 2418 if ($@) {
2211 warn $@; 2419 warn $@;
2212 warn "error while reloading, exiting."; 2420 warn "error while reloading, exiting.";
2213 exit 1; 2421 exit 1;
2214 } 2422 }
2215 2423
2216 warn "reloaded successfully"; 2424 warn "reloaded";
2217}; 2425};
2218 2426
2219############################################################################# 2427our $RELOAD_WATCHER; # used only during reload
2220
2221unless ($LINK_MAP) {
2222 $LINK_MAP = cf::map::new;
2223
2224 $LINK_MAP->width (41);
2225 $LINK_MAP->height (41);
2226 $LINK_MAP->alloc;
2227 $LINK_MAP->path ("{link}");
2228 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2229 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2230
2231 # dirty hack because... archetypes are not yet loaded
2232 Event->timer (
2233 after => 10,
2234 cb => sub {
2235 $_[0]->w->cancel;
2236
2237 # provide some exits "home"
2238 my $exit = cf::object::new "exit";
2239
2240 $exit->slaying ($EMERGENCY_POSITION->[0]);
2241 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2242 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2243
2244 $LINK_MAP->insert ($exit->clone, 19, 19);
2245 $LINK_MAP->insert ($exit->clone, 19, 20);
2246 $LINK_MAP->insert ($exit->clone, 19, 21);
2247 $LINK_MAP->insert ($exit->clone, 20, 19);
2248 $LINK_MAP->insert ($exit->clone, 20, 21);
2249 $LINK_MAP->insert ($exit->clone, 21, 19);
2250 $LINK_MAP->insert ($exit->clone, 21, 20);
2251 $LINK_MAP->insert ($exit->clone, 21, 21);
2252
2253 $exit->destroy;
2254 });
2255
2256 $LINK_MAP->{deny_save} = 1;
2257 $LINK_MAP->{deny_reset} = 1;
2258
2259 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2260}
2261
2262register "<global>", __PACKAGE__;
2263 2428
2264register_command "reload" => sub { 2429register_command "reload" => sub {
2265 my ($who, $arg) = @_; 2430 my ($who, $arg) = @_;
2266 2431
2267 if ($who->flag (FLAG_WIZ)) { 2432 if ($who->flag (FLAG_WIZ)) {
2268 $who->message ("start of reload."); 2433 $who->message ("reloading server.");
2434
2435 # doing reload synchronously and two reloads happen back-to-back,
2436 # coro crashes during coro_state_free->destroy here.
2437
2438 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2269 reload; 2439 reload;
2270 $who->message ("end of reload."); 2440 undef $RELOAD_WATCHER;
2441 });
2271 } 2442 }
2272}; 2443};
2273 2444
2274unshift @INC, $LIBDIR; 2445unshift @INC, $LIBDIR;
2446
2447my $bug_warning = 0;
2275 2448
2276$TICK_WATCHER = Event->timer ( 2449$TICK_WATCHER = Event->timer (
2277 reentrant => 0, 2450 reentrant => 0,
2451 parked => 1,
2278 prio => 0, 2452 prio => 0,
2279 at => $NEXT_TICK || $TICK, 2453 at => $NEXT_TICK || $TICK,
2280 data => WF_AUTOCANCEL, 2454 data => WF_AUTOCANCEL,
2281 cb => sub { 2455 cb => sub {
2456 if ($Coro::current != $Coro::main) {
2457 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2458 unless ++$bug_warning > 10;
2459 return;
2460 }
2461
2462 $NOW = Event::time;
2463
2282 cf::server_tick; # one server iteration 2464 cf::server_tick; # one server iteration
2283 $RUNTIME += $TICK; 2465 $RUNTIME += $TICK;
2284 $NEXT_TICK += $TICK; 2466 $NEXT_TICK += $TICK;
2467
2468 $WAIT_FOR_TICK->broadcast;
2469 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2285 2470
2286 # if we are delayed by four ticks or more, skip them all 2471 # if we are delayed by four ticks or more, skip them all
2287 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2472 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2288 2473
2289 $TICK_WATCHER->at ($NEXT_TICK); 2474 $TICK_WATCHER->at ($NEXT_TICK);
2291 }, 2476 },
2292); 2477);
2293 2478
2294IO::AIO::max_poll_time $TICK * 0.2; 2479IO::AIO::max_poll_time $TICK * 0.2;
2295 2480
2296Event->io ( 2481$AIO_POLL_WATCHER = Event->io (
2297 fd => IO::AIO::poll_fileno, 2482 fd => IO::AIO::poll_fileno,
2298 poll => 'r', 2483 poll => 'r',
2299 prio => 5, 2484 prio => 5,
2300 data => WF_AUTOCANCEL, 2485 data => WF_AUTOCANCEL,
2301 cb => \&IO::AIO::poll_cb, 2486 cb => \&IO::AIO::poll_cb,
2302); 2487);
2303 2488
2304Event->timer ( 2489$WRITE_RUNTIME_WATCHER = Event->timer (
2305 data => WF_AUTOCANCEL, 2490 data => WF_AUTOCANCEL,
2306 after => 0, 2491 after => 1,
2307 interval => 10, 2492 interval => 10,
2308 cb => sub { 2493 prio => 6, # keep it lowest so it acts like a watchdog
2309 (Coro::unblock_sub { 2494 cb => Coro::unblock_sub {
2310 write_runtime 2495 write_runtime
2311 or warn "ERROR: unable to write runtime file: $!"; 2496 or warn "ERROR: unable to write runtime file: $!";
2312 })->();
2313 }, 2497 },
2314); 2498);
2315 2499
2316END { cf::emergency_save } 2500END { cf::emergency_save }
2317 2501

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