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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.149 by root, Mon Jan 8 14:11:05 2007 UTC vs.
Revision 1.188 by root, Sat Jan 20 23:30:16 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_header_orig {
1303 my ($self) = @_;
1304
1305 $self->load_header_from ($self->load_path)
1306}
1307
1308sub load_header_temp {
1309 my ($self) = @_;
1310
1311 $self->load_header_from ($self->save_path)
1312}
1313
1314sub prepare_temp {
1315 my ($self) = @_;
1316
1317 $self->last_access ((delete $self->{last_access})
1318 || $cf::RUNTIME); #d#
1319 # safety
1320 $self->{instantiate_time} = $cf::RUNTIME
1321 if $self->{instantiate_time} > $cf::RUNTIME;
1322}
1323
1324sub prepare_orig {
1325 my ($self) = @_;
1326
1327 $self->{load_original} = 1;
1328 $self->{instantiate_time} = $cf::RUNTIME;
1329 $self->last_access ($cf::RUNTIME);
1330 $self->instantiate;
1331}
1332
1333sub load_header {
1334 my ($self) = @_;
1335
1336 if ($self->load_header_temp) {
1337 $self->prepare_temp;
1338 } else {
1339 $self->load_header_orig
1254 or return; 1340 or return;
1341 $self->prepare_orig;
1342 }
1255 1343
1256 $map->{load_path} = $path; 1344 1
1257
1258 $map
1259} 1345}
1260 1346
1261sub find; 1347sub find;
1262sub find { 1348sub find {
1263 my ($path, $origin) = @_; 1349 my ($path, $origin) = @_;
1264 1350
1265 #warn "find<$path,$origin>\n";#d#
1266
1267 $path = new cf::path $path, $origin && $origin->path; 1351 $path = normalise $path, $origin && $origin->path;
1268 my $key = $path->as_string;
1269 1352
1270 cf::lock_wait "map_find:$key"; 1353 cf::lock_wait "map_find:$path";
1271 1354
1272 $cf::MAP{$key} || do { 1355 $cf::MAP{$path} || do {
1273 my $guard = cf::lock_acquire "map_find:$key"; 1356 my $guard = cf::lock_acquire "map_find:$path";
1274 1357 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; 1358 or return;
1294 1359
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; 1360 $map->{last_save} = $cf::RUNTIME;
1307 1361
1308 Coro::cede; 1362 $map->load_header
1363 or return;
1309 1364
1310 if ($map->should_reset) { 1365 if ($map->should_reset) {
1366 # doing this can freeze the server in a sync job, obviously
1367 #$cf::WAIT_FOR_TICK->wait;
1311 $map->reset; 1368 $map->reset;
1312 undef $guard; 1369 undef $guard;
1313 $map = find $path 1370 $map = find $path
1314 or return; 1371 or return;
1315 } 1372 }
1316 1373
1317 $cf::MAP{$key} = $map 1374 $cf::MAP{$path} = $map
1318 } 1375 }
1319} 1376}
1377
1378sub pre_load { }
1379sub post_load { }
1320 1380
1321sub load { 1381sub load {
1322 my ($self) = @_; 1382 my ($self) = @_;
1323 1383
1324 my $path = $self->{path}; 1384 my $path = $self->{path};
1325 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1385 my $guard = cf::lock_acquire "map_load:$path";
1326 1386
1327 return if $self->in_memory != cf::MAP_SWAPPED; 1387 return if $self->in_memory != cf::MAP_SWAPPED;
1328 1388
1329 $self->in_memory (cf::MAP_LOADING); 1389 $self->in_memory (cf::MAP_LOADING);
1330 1390
1331 $self->alloc; 1391 $self->alloc;
1392
1393 $self->pre_load;
1394
1332 $self->load_objects ($self->{load_path}, 1) 1395 $self->_load_objects ($self->{load_path}, 1)
1333 or return; 1396 or return;
1334 1397
1335 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1398 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1336 if delete $self->{load_original}; 1399 if delete $self->{load_original};
1337 1400
1338 if (my $uniq = $path->uniq_path) { 1401 if (my $uniq = $self->uniq_path) {
1339 utf8::encode $uniq; 1402 utf8::encode $uniq;
1340 if (aio_open $uniq, O_RDONLY, 0) { 1403 if (aio_open $uniq, O_RDONLY, 0) {
1341 $self->clear_unique_items; 1404 $self->clear_unique_items;
1342 $self->load_objects ($uniq, 0); 1405 $self->_load_objects ($uniq, 0);
1343 } 1406 }
1344 } 1407 }
1345 1408
1346 Coro::cede; 1409 Coro::cede;
1347 1410
1348 # now do the right thing for maps 1411 # now do the right thing for maps
1349 $self->link_multipart_objects; 1412 $self->link_multipart_objects;
1350 1413
1351 if ($self->{path}->is_style_map) { 1414 unless ($self->{deny_activate}) {
1352 $self->{deny_save} = 1; 1415 $self->decay_objects;
1353 $self->{deny_reset} = 1;
1354 } else {
1355 $self->fix_auto_apply; 1416 $self->fix_auto_apply;
1356 $self->decay_objects;
1357 $self->update_buttons; 1417 $self->update_buttons;
1418 Coro::cede;
1358 $self->set_darkness_map; 1419 $self->set_darkness_map;
1359 $self->difficulty ($self->estimate_difficulty) 1420 $self->difficulty ($self->estimate_difficulty)
1360 unless $self->difficulty; 1421 unless $self->difficulty;
1422 Coro::cede;
1361 $self->activate; 1423 $self->activate;
1362 } 1424 }
1363 1425
1364 Coro::cede; 1426 $self->post_load;
1365 1427
1366 $self->in_memory (cf::MAP_IN_MEMORY); 1428 $self->in_memory (cf::MAP_IN_MEMORY);
1429}
1430
1431sub customise_for {
1432 my ($self, $ob) = @_;
1433
1434 return find "~" . $ob->name . "/" . $self->{path}
1435 if $self->per_player;
1436
1437 $self
1438}
1439
1440# find and load all maps in the 3x3 area around a map
1441sub load_diag {
1442 my ($map) = @_;
1443
1444 my @diag; # diagonal neighbours
1445
1446 for (0 .. 3) {
1447 my $neigh = $map->tile_path ($_)
1448 or next;
1449 $neigh = find $neigh, $map
1450 or next;
1451 $neigh->load;
1452
1453 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1454 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1455 }
1456
1457 for (@diag) {
1458 my $neigh = find @$_
1459 or next;
1460 $neigh->load;
1461 }
1367} 1462}
1368 1463
1369sub find_sync { 1464sub find_sync {
1370 my ($path, $origin) = @_; 1465 my ($path, $origin) = @_;
1371 1466
1372 cf::sync_job { cf::map::find $path, $origin } 1467 cf::sync_job { find $path, $origin }
1373} 1468}
1374 1469
1375sub do_load_sync { 1470sub do_load_sync {
1376 my ($map) = @_; 1471 my ($map) = @_;
1377 1472
1378 cf::sync_job { $map->load }; 1473 cf::sync_job { $map->load };
1379} 1474}
1380 1475
1476our %MAP_PREFETCH;
1477our $MAP_PREFETCHER = undef;
1478
1479sub find_async {
1480 my ($path, $origin) = @_;
1481
1482 $path = normalise $path, $origin && $origin->{path};
1483
1484 if (my $map = $cf::MAP{$path}) {
1485 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1486 }
1487
1488 undef $MAP_PREFETCH{$path};
1489 $MAP_PREFETCHER ||= cf::async {
1490 while (%MAP_PREFETCH) {
1491 for my $path (keys %MAP_PREFETCH) {
1492 my $map = find $path
1493 or next;
1494 $map->load;
1495
1496 delete $MAP_PREFETCH{$path};
1497 }
1498 }
1499 undef $MAP_PREFETCHER;
1500 };
1501
1502 ()
1503}
1504
1381sub save { 1505sub save {
1382 my ($self) = @_; 1506 my ($self) = @_;
1383 1507
1384 my $lock = cf::lock_acquire "map_data:" . $self->path; 1508 my $lock = cf::lock_acquire "map_data:" . $self->path;
1385 1509
1386 $self->{last_save} = $cf::RUNTIME; 1510 $self->{last_save} = $cf::RUNTIME;
1387 1511
1388 return unless $self->dirty; 1512 return unless $self->dirty;
1389 1513
1390 my $save = $self->{path}->save_path; utf8::encode $save; 1514 my $save = $self->save_path; utf8::encode $save;
1391 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1515 my $uniq = $self->uniq_path; utf8::encode $uniq;
1392 1516
1393 $self->{load_path} = $save; 1517 $self->{load_path} = $save;
1394 1518
1395 return if $self->{deny_save}; 1519 return if $self->{deny_save};
1396 1520
1399 cf::async { 1523 cf::async {
1400 $_->contr->save for $self->players; 1524 $_->contr->save for $self->players;
1401 }; 1525 };
1402 1526
1403 if ($uniq) { 1527 if ($uniq) {
1404 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1528 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1405 $self->save_objects ($uniq, cf::IO_UNIQUES); 1529 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1406 } else { 1530 } else {
1407 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1531 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1408 } 1532 }
1409} 1533}
1410 1534
1411sub swap_out { 1535sub swap_out {
1412 my ($self) = @_; 1536 my ($self) = @_;
1426 1550
1427sub reset_at { 1551sub reset_at {
1428 my ($self) = @_; 1552 my ($self) = @_;
1429 1553
1430 # TODO: safety, remove and allow resettable per-player maps 1554 # TODO: safety, remove and allow resettable per-player maps
1431 return 1e99 if $self->{path}{user_rel}; 1555 return 1e99 if $self->isa ("ext::map_per_player");#d#
1432 return 1e99 if $self->{deny_reset}; 1556 return 1e99 if $self->{deny_reset};
1433 1557
1434 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1558 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1435 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1559 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1436 1560
1441 my ($self) = @_; 1565 my ($self) = @_;
1442 1566
1443 $self->reset_at <= $cf::RUNTIME 1567 $self->reset_at <= $cf::RUNTIME
1444} 1568}
1445 1569
1446sub unlink_save {
1447 my ($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 $self->save;
1465}
1466
1467sub reset { 1570sub reset {
1468 my ($self) = @_; 1571 my ($self) = @_;
1469 1572
1470 my $lock = cf::lock_acquire "map_data:" . $self->path; 1573 my $lock = cf::lock_acquire "map_data:$self->{path}";
1471 1574
1472 return if $self->players; 1575 return if $self->players;
1473 return if $self->{path}{user_rel};#d# 1576 return if $self->isa ("ext::map_per_player");#d#
1474 1577
1475 warn "resetting map ", $self->path;#d# 1578 warn "resetting map ", $self->path;#d#
1476 1579
1477 delete $cf::MAP{$self->path}; 1580 delete $cf::MAP{$self->path};
1581
1582 $self->in_memory (cf::MAP_SWAPPED);
1583 $self->clear;
1478 1584
1479 $_->clear_links_to ($self) for values %cf::MAP; 1585 $_->clear_links_to ($self) for values %cf::MAP;
1480 1586
1481 $self->unlink_save; 1587 $self->unlink_save;
1482 $self->destroy; 1588 $self->destroy;
1485my $nuke_counter = "aaaa"; 1591my $nuke_counter = "aaaa";
1486 1592
1487sub nuke { 1593sub nuke {
1488 my ($self) = @_; 1594 my ($self) = @_;
1489 1595
1596 delete $cf::MAP{$self->path};
1597
1598 $self->unlink_save;
1599
1600 bless $self, "cf::map";
1601 delete $self->{deny_reset};
1490 $self->{deny_save} = 1; 1602 $self->{deny_save} = 1;
1491 $self->reset_timeout (1); 1603 $self->reset_timeout (1);
1492 $self->rename ("{nuke}/" . ($nuke_counter++)); 1604 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1605
1606 $cf::MAP{$self->path} = $self;
1607
1493 $self->reset; # polite request, might not happen 1608 $self->reset; # polite request, might not happen
1494} 1609}
1495 1610
1496sub customise_for { 1611=item cf::map::unique_maps
1497 my ($map, $ob) = @_;
1498 1612
1499 if ($map->per_player) { 1613Returns an arrayref of paths of all shared maps that have
1500 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1614instantiated unique items. May block.
1501 }
1502 1615
1503 $map 1616=cut
1504}
1505 1617
1506sub emergency_save { 1618sub unique_maps() {
1507 my $freeze_guard = cf::freeze_mainloop; 1619 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1620 or return;
1508 1621
1509 warn "enter emergency perl save\n"; 1622 my @paths;
1510 1623
1511 cf::sync_job { 1624 for (@$files) {
1512 warn "begin emergency player save\n"; 1625 utf8::decode $_;
1513 $_->save for values %cf::PLAYER; 1626 next if /\.pst$/;
1514 warn "end emergency player save\n"; 1627 next unless /^$PATH_SEP/o;
1515 1628
1516 warn "begin emergency map save\n"; 1629 s/\.map$//;
1517 $_->save for values %cf::MAP; 1630 push @paths, $_;
1518 warn "end emergency map save\n";
1519 }; 1631 }
1520 1632
1521 warn "leave emergency perl save\n"; 1633 \@paths
1522} 1634}
1523 1635
1524package cf; 1636package cf;
1525 1637
1526=back 1638=back
1527 1639
1640=head3 cf::object
1641
1642=cut
1643
1644package cf::object;
1645
1646=over 4
1647
1648=item $ob->inv_recursive
1649
1650Returns the inventory of the object _and_ their inventories, recursively.
1651
1652=cut
1653
1654sub inv_recursive_;
1655sub inv_recursive_ {
1656 map { $_, inv_recursive_ $_->inv } @_
1657}
1658
1659sub inv_recursive {
1660 inv_recursive_ inv $_[0]
1661}
1662
1663package cf;
1664
1665=back
1528 1666
1529=head3 cf::object::player 1667=head3 cf::object::player
1530 1668
1531=over 4 1669=over 4
1532 1670
1572 1710
1573=item $player_object->enter_link 1711=item $player_object->enter_link
1574 1712
1575Freezes the player and moves him/her to a special map (C<{link}>). 1713Freezes the player and moves him/her to a special map (C<{link}>).
1576 1714
1577The player should be reaosnably safe there for short amounts of time. You 1715The player should be reasonably safe there for short amounts of time. You
1578I<MUST> call C<leave_link> as soon as possible, though. 1716I<MUST> call C<leave_link> as soon as possible, though.
1579 1717
1718Will never block.
1719
1580=item $player_object->leave_link ($map, $x, $y) 1720=item $player_object->leave_link ($map, $x, $y)
1581 1721
1582Moves the player out of the specila link map onto the given map. If the 1722Moves the player out of the special C<{link}> map onto the specified
1583map is not valid (or omitted), the player will be moved back to the 1723map. If the map is not valid (or omitted), the player will be moved back
1584location he/she was before the call to C<enter_link>, or, if that fails, 1724to the location he/she was before the call to C<enter_link>, or, if that
1585to the emergency map position. 1725fails, to the emergency map position.
1586 1726
1587Might block. 1727Might block.
1588 1728
1589=cut 1729=cut
1730
1731sub link_map {
1732 unless ($LINK_MAP) {
1733 $LINK_MAP = cf::map::find "{link}"
1734 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1735 $LINK_MAP->load;
1736 }
1737
1738 $LINK_MAP
1739}
1590 1740
1591sub cf::object::player::enter_link { 1741sub cf::object::player::enter_link {
1592 my ($self) = @_; 1742 my ($self) = @_;
1593 1743
1594 $self->deactivate_recursive; 1744 $self->deactivate_recursive;
1595 1745
1596 return if $self->map == $LINK_MAP; 1746 return if UNIVERSAL::isa $self->map, "ext::map_link";
1597 1747
1598 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1748 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1599 if $self->map; 1749 if $self->map;
1600 1750
1601 $self->enter_map ($LINK_MAP, 20, 20); 1751 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1602} 1752}
1603 1753
1604sub cf::object::player::leave_link { 1754sub cf::object::player::leave_link {
1605 my ($self, $map, $x, $y) = @_; 1755 my ($self, $map, $x, $y) = @_;
1606 1756
1624 # use -1 or undef as default coordinates, not 0, 0 1774 # use -1 or undef as default coordinates, not 0, 0
1625 ($x, $y) = ($map->enter_x, $map->enter_y) 1775 ($x, $y) = ($map->enter_x, $map->enter_y)
1626 if $x <=0 && $y <= 0; 1776 if $x <=0 && $y <= 0;
1627 1777
1628 $map->load; 1778 $map->load;
1779 $map->load_diag;
1629 1780
1630 return unless $self->contr->active; 1781 return unless $self->contr->active;
1631 $self->activate_recursive; 1782 $self->activate_recursive;
1632 $self->enter_map ($map, $x, $y); 1783 $self->enter_map ($map, $x, $y);
1633} 1784}
1672 my ($self, $path, $x, $y) = @_; 1823 my ($self, $path, $x, $y) = @_;
1673 1824
1674 $self->enter_link; 1825 $self->enter_link;
1675 1826
1676 (async { 1827 (async {
1677 $path = new cf::path $path;
1678
1679 my $map = cf::map::find $path->as_string; 1828 my $map = cf::map::find $path;
1680 $map = $map->customise_for ($self) if $map; 1829 $map = $map->customise_for ($self) if $map;
1681 1830
1682# warn "entering ", $map->path, " at ($x, $y)\n" 1831# warn "entering ", $map->path, " at ($x, $y)\n"
1683# if $map; 1832# if $map;
1684 1833
1685 $map or $map->cluck ("oy");#d#
1686 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1834 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1687 1835
1688 $self->leave_link ($map, $x, $y); 1836 $self->leave_link ($map, $x, $y);
1689 })->prio (1); 1837 })->prio (1);
1690} 1838}
1695 1843
1696sub parse_random_map_params { 1844sub parse_random_map_params {
1697 my ($spec) = @_; 1845 my ($spec) = @_;
1698 1846
1699 my $rmp = { # defaults 1847 my $rmp = { # defaults
1700 xsize => 10, 1848 xsize => (cf::rndm 15, 40),
1701 ysize => 10, 1849 ysize => (cf::rndm 15, 40),
1850 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1851 #layout => string,
1702 }; 1852 };
1703 1853
1704 for (split /\n/, $spec) { 1854 for (split /\n/, $spec) {
1705 my ($k, $v) = split /\s+/, $_, 2; 1855 my ($k, $v) = split /\s+/, $_, 2;
1706 1856
1710 $rmp 1860 $rmp
1711} 1861}
1712 1862
1713sub prepare_random_map { 1863sub prepare_random_map {
1714 my ($exit) = @_; 1864 my ($exit) = @_;
1865
1866 my $guard = cf::lock_acquire "exit_prepare:$exit";
1715 1867
1716 # all this does is basically replace the /! path by 1868 # all this does is basically replace the /! path by
1717 # a new random map path (?random/...) with a seed 1869 # a new random map path (?random/...) with a seed
1718 # that depends on the exit object 1870 # that depends on the exit object
1719 1871
1728 1880
1729 $rmp->{random_seed} ||= $exit->random_seed; 1881 $rmp->{random_seed} ||= $exit->random_seed;
1730 1882
1731 my $data = cf::to_json $rmp; 1883 my $data = cf::to_json $rmp;
1732 my $md5 = Digest::MD5::md5_hex $data; 1884 my $md5 = Digest::MD5::md5_hex $data;
1885 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1733 1886
1734 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1887 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1735 aio_write $fh, 0, (length $data), $data, 0; 1888 aio_write $fh, 0, (length $data), $data, 0;
1889 undef $fh;
1890 aio_rename "$meta~", $meta;
1736 1891
1737 $exit->slaying ("?random/$md5"); 1892 $exit->slaying ("?random/$md5");
1738 $exit->msg (undef); 1893 $exit->msg (undef);
1739 } 1894 }
1740} 1895}
1750 $self->deactivate_recursive; # just to be sure 1905 $self->deactivate_recursive; # just to be sure
1751 unless (eval { 1906 unless (eval {
1752 prepare_random_map $exit 1907 prepare_random_map $exit
1753 if $exit->slaying eq "/!"; 1908 if $exit->slaying eq "/!";
1754 1909
1755 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1910 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1756 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1911 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1757 1912
1758 1; 1913 1;
1759 }) { 1914 }) {
1760 $self->message ("Something went wrong deep within the crossfire server. " 1915 $self->message ("Something went wrong deep within the crossfire server. "
1761 . "I'll try to bring you back to the map you were before. " 1916 . "I'll try to bring you back to the map you were before. "
1762 . "Please report this to the dungeon master", 1917 . "Please report this to the dungeon master!",
1763 cf::NDI_UNIQUE | cf::NDI_RED); 1918 cf::NDI_UNIQUE | cf::NDI_RED);
1764 1919
1765 warn "ERROR in enter_exit: $@"; 1920 warn "ERROR in enter_exit: $@";
1766 $self->leave_link; 1921 $self->leave_link;
1767 } 1922 }
2050 sub db_sync() { 2205 sub db_sync() {
2051 db_save if $dirty; 2206 db_save if $dirty;
2052 undef $dirty; 2207 undef $dirty;
2053 } 2208 }
2054 2209
2055 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2210 my $idle = Event->idle (min => 10, max => 20, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2056 db_sync; 2211 db_sync;
2057 }); 2212 });
2058 2213
2059 sub db_dirty() { 2214 sub db_dirty() {
2060 $dirty = 1; 2215 $dirty = 1;
2110 2265
2111sub main { 2266sub main {
2112 # we must not ever block the main coroutine 2267 # we must not ever block the main coroutine
2113 local $Coro::idle = sub { 2268 local $Coro::idle = sub {
2114 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2269 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2270 (async {
2115 async { Event::one_event }; 2271 Event::one_event;
2272 })->prio (Coro::PRIO_MAX);
2116 }; 2273 };
2117 2274
2118 cfg_load; 2275 cfg_load;
2119 db_load; 2276 db_load;
2120 load_extensions; 2277 load_extensions;
2278
2279 $TICK_WATCHER->start;
2121 Event::loop; 2280 Event::loop;
2122} 2281}
2123 2282
2124############################################################################# 2283#############################################################################
2125# initialisation 2284# initialisation and cleanup
2285
2286# install some emergency cleanup handlers
2287BEGIN {
2288 for my $signal (qw(INT HUP TERM)) {
2289 Event->signal (
2290 data => WF_AUTOCANCEL,
2291 signal => $signal,
2292 cb => sub {
2293 cf::cleanup "SIG$signal";
2294 },
2295 );
2296 }
2297}
2298
2299sub emergency_save() {
2300 my $freeze_guard = cf::freeze_mainloop;
2301
2302 warn "enter emergency perl save\n";
2303
2304 cf::sync_job {
2305 # use a peculiar iteration method to avoid tripping on perl
2306 # refcount bugs in for. also avoids problems with players
2307 # and maps saved/destroyed asynchronously.
2308 warn "begin emergency player save\n";
2309 for my $login (keys %cf::PLAYER) {
2310 my $pl = $cf::PLAYER{$login} or next;
2311 $pl->valid or next;
2312 $pl->save;
2313 }
2314 warn "end emergency player save\n";
2315
2316 warn "begin emergency map save\n";
2317 for my $path (keys %cf::MAP) {
2318 my $map = $cf::MAP{$path} or next;
2319 $map->valid or next;
2320 $map->save;
2321 }
2322 warn "end emergency map save\n";
2323 };
2324
2325 warn "leave emergency perl save\n";
2326}
2126 2327
2127sub reload() { 2328sub reload() {
2128 # can/must only be called in main 2329 # can/must only be called in main
2129 if ($Coro::current != $Coro::main) { 2330 if ($Coro::current != $Coro::main) {
2130 warn "can only reload from main coroutine\n"; 2331 warn "can only reload from main coroutine";
2131 return; 2332 return;
2132 } 2333 }
2133 2334
2134 warn "reloading..."; 2335 warn "reloading...";
2135 2336
2136 my $guard = freeze_mainloop; 2337 warn "cancelling server ticker";
2338 $TICK_WATCHER->cancel;
2339
2137 cf::emergency_save; 2340 cf::emergency_save;
2138 2341
2139 eval { 2342 eval {
2140 # if anything goes wrong in here, we should simply crash as we already saved 2343 # if anything goes wrong in here, we should simply crash as we already saved
2141 2344
2142 # cancel all watchers 2345 warn "syncing database to disk";
2346 cf::db_sync;
2347
2348 warn "cancelling all WF_AUTOCANCEL watchers";
2143 for (Event::all_watchers) { 2349 for (Event::all_watchers) {
2144 $_->cancel if $_->data & WF_AUTOCANCEL; 2350 $_->cancel if $_->data & WF_AUTOCANCEL;
2145 } 2351 }
2146 2352
2353 warn "flushing outstanding aio requests";
2354 for (;;) {
2355 IO::AIO::flush;
2356 Coro::cede;
2357 last unless IO::AIO::nreqs;
2358 warn "iterate...";
2359 }
2360
2147 # cancel all extension coros 2361 warn "cancelling all extension coros";
2148 $_->cancel for values %EXT_CORO; 2362 $_->cancel for values %EXT_CORO;
2149 %EXT_CORO = (); 2363 %EXT_CORO = ();
2150 2364
2151 # unload all extensions 2365 warn "removing commands";
2152 for (@exts) { 2366 %COMMAND = ();
2367
2368 warn "removing ext commands";
2369 %EXTCMD = ();
2370
2371 warn "unloading/nuking all extensions";
2372 for my $pkg (@EXTS) {
2153 warn "unloading <$_>"; 2373 warn "... unloading $pkg";
2154 unload_extension $_; 2374
2375 if (my $cb = $pkg->can ("unload")) {
2376 eval {
2377 $cb->($pkg);
2378 1
2379 } or warn "$pkg unloaded, but with errors: $@";
2155 } 2380 }
2156 2381
2382 warn "... nuking $pkg";
2383 Symbol::delete_package $pkg;
2384 }
2385
2157 # unload all modules loaded from $LIBDIR 2386 warn "unloading all perl modules loaded from $LIBDIR";
2158 while (my ($k, $v) = each %INC) { 2387 while (my ($k, $v) = each %INC) {
2159 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2388 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2160 2389
2161 warn "removing <$k>"; 2390 warn "... unloading $k";
2162 delete $INC{$k}; 2391 delete $INC{$k};
2163 2392
2164 $k =~ s/\.pm$//; 2393 $k =~ s/\.pm$//;
2165 $k =~ s/\//::/g; 2394 $k =~ s/\//::/g;
2166 2395
2169 } 2398 }
2170 2399
2171 Symbol::delete_package $k; 2400 Symbol::delete_package $k;
2172 } 2401 }
2173 2402
2174 # sync database to disk
2175 cf::db_sync;
2176 IO::AIO::flush;
2177
2178 # get rid of safe::, as good as possible 2403 warn "getting rid of safe::, as good as possible";
2179 Symbol::delete_package "safe::$_" 2404 Symbol::delete_package "safe::$_"
2180 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2405 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2181 2406
2182 # remove register_script_function callbacks
2183 # TODO
2184
2185 # unload cf.pm "a bit" 2407 warn "unloading cf.pm \"a bit\"";
2186 delete $INC{"cf.pm"}; 2408 delete $INC{"cf.pm"};
2187 2409
2188 # don't, removes xs symbols, too, 2410 # don't, removes xs symbols, too,
2189 # and global variables created in xs 2411 # and global variables created in xs
2190 #Symbol::delete_package __PACKAGE__; 2412 #Symbol::delete_package __PACKAGE__;
2191 2413
2192 # reload cf.pm 2414 warn "unload completed, starting to reload now";
2415
2193 warn "reloading cf.pm"; 2416 warn "reloading cf.pm";
2194 require cf; 2417 require cf;
2195 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2418 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2196 2419
2197 # load config and database again 2420 warn "loading config and database again";
2198 cf::cfg_load; 2421 cf::cfg_load;
2199 cf::db_load; 2422 cf::db_load;
2200 2423
2201 # load extensions
2202 warn "load extensions"; 2424 warn "loading extensions";
2203 cf::load_extensions; 2425 cf::load_extensions;
2204 2426
2205 # reattach attachments to objects 2427 warn "reattaching attachments to objects/players";
2206 warn "reattach";
2207 _global_reattach; 2428 _global_reattach;
2429 warn "reattaching attachments to maps";
2208 reattach $_ for values %MAP; 2430 reattach $_ for values %MAP;
2431
2432 warn "restarting server ticker";
2433
2434 $TICK_WATCHER->start;
2209 }; 2435 };
2210 2436
2211 if ($@) { 2437 if ($@) {
2212 warn $@; 2438 warn $@;
2213 warn "error while reloading, exiting."; 2439 warn "error while reloading, exiting.";
2214 exit 1; 2440 exit 1;
2215 } 2441 }
2216 2442
2217 warn "reloaded successfully"; 2443 warn "reloaded";
2218}; 2444};
2219 2445
2220############################################################################# 2446our $RELOAD_WATCHER; # used only during reload
2221
2222unless ($LINK_MAP) {
2223 $LINK_MAP = cf::map::new;
2224
2225 $LINK_MAP->width (41);
2226 $LINK_MAP->height (41);
2227 $LINK_MAP->alloc;
2228 $LINK_MAP->path ("{link}");
2229 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2230 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2231
2232 # dirty hack because... archetypes are not yet loaded
2233 Event->timer (
2234 after => 10,
2235 cb => sub {
2236 $_[0]->w->cancel;
2237
2238 # provide some exits "home"
2239 my $exit = cf::object::new "exit";
2240
2241 $exit->slaying ($EMERGENCY_POSITION->[0]);
2242 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2243 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2244
2245 $LINK_MAP->insert ($exit->clone, 19, 19);
2246 $LINK_MAP->insert ($exit->clone, 19, 20);
2247 $LINK_MAP->insert ($exit->clone, 19, 21);
2248 $LINK_MAP->insert ($exit->clone, 20, 19);
2249 $LINK_MAP->insert ($exit->clone, 20, 21);
2250 $LINK_MAP->insert ($exit->clone, 21, 19);
2251 $LINK_MAP->insert ($exit->clone, 21, 20);
2252 $LINK_MAP->insert ($exit->clone, 21, 21);
2253
2254 $exit->destroy;
2255 });
2256
2257 $LINK_MAP->{deny_save} = 1;
2258 $LINK_MAP->{deny_reset} = 1;
2259
2260 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2261}
2262
2263register "<global>", __PACKAGE__;
2264 2447
2265register_command "reload" => sub { 2448register_command "reload" => sub {
2266 my ($who, $arg) = @_; 2449 my ($who, $arg) = @_;
2267 2450
2268 if ($who->flag (FLAG_WIZ)) { 2451 if ($who->flag (FLAG_WIZ)) {
2269 $who->message ("start of reload."); 2452 $who->message ("reloading server.");
2453
2454 # doing reload synchronously and two reloads happen back-to-back,
2455 # coro crashes during coro_state_free->destroy here.
2456
2457 $RELOAD_WATCHER ||= Event->timer (after => 0, data => WF_AUTOCANCEL, cb => sub {
2270 reload; 2458 reload;
2271 $who->message ("end of reload."); 2459 undef $RELOAD_WATCHER;
2460 });
2272 } 2461 }
2273}; 2462};
2274 2463
2275unshift @INC, $LIBDIR; 2464unshift @INC, $LIBDIR;
2465
2466my $bug_warning = 0;
2276 2467
2277$TICK_WATCHER = Event->timer ( 2468$TICK_WATCHER = Event->timer (
2278 reentrant => 0, 2469 reentrant => 0,
2470 parked => 1,
2279 prio => 0, 2471 prio => 0,
2280 at => $NEXT_TICK || $TICK, 2472 at => $NEXT_TICK || $TICK,
2281 data => WF_AUTOCANCEL, 2473 data => WF_AUTOCANCEL,
2282 cb => sub { 2474 cb => sub {
2475 if ($Coro::current != $Coro::main) {
2476 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2477 unless ++$bug_warning > 10;
2478 return;
2479 }
2480
2481 $NOW = Event::time;
2482
2283 cf::server_tick; # one server iteration 2483 cf::server_tick; # one server iteration
2284 $RUNTIME += $TICK; 2484 $RUNTIME += $TICK;
2285 $NEXT_TICK += $TICK; 2485 $NEXT_TICK += $TICK;
2486
2487 $WAIT_FOR_TICK->broadcast;
2488 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2286 2489
2287 # if we are delayed by four ticks or more, skip them all 2490 # if we are delayed by four ticks or more, skip them all
2288 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2491 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2289 2492
2290 $TICK_WATCHER->at ($NEXT_TICK); 2493 $TICK_WATCHER->at ($NEXT_TICK);
2292 }, 2495 },
2293); 2496);
2294 2497
2295IO::AIO::max_poll_time $TICK * 0.2; 2498IO::AIO::max_poll_time $TICK * 0.2;
2296 2499
2297Event->io ( 2500$AIO_POLL_WATCHER = Event->io (
2298 fd => IO::AIO::poll_fileno, 2501 fd => IO::AIO::poll_fileno,
2299 poll => 'r', 2502 poll => 'r',
2300 prio => 5, 2503 prio => 5,
2301 data => WF_AUTOCANCEL, 2504 data => WF_AUTOCANCEL,
2302 cb => \&IO::AIO::poll_cb, 2505 cb => \&IO::AIO::poll_cb,
2303); 2506);
2304 2507
2305Event->timer ( 2508$WRITE_RUNTIME_WATCHER = Event->timer (
2306 data => WF_AUTOCANCEL, 2509 data => WF_AUTOCANCEL,
2307 after => 0, 2510 after => 1,
2308 interval => 10, 2511 interval => 10,
2309 cb => sub { 2512 prio => 6, # keep it lowest so it acts like a watchdog
2310 (Coro::unblock_sub { 2513 cb => Coro::unblock_sub {
2311 write_runtime 2514 write_runtime
2312 or warn "ERROR: unable to write runtime file: $!"; 2515 or warn "ERROR: unable to write runtime file: $!";
2313 })->();
2314 }, 2516 },
2315); 2517);
2316 2518
2317END { cf::emergency_save } 2519END { cf::emergency_save }
2318 2520

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