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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.151 by root, Mon Jan 8 20:59:15 2007 UTC vs.
Revision 1.191 by root, Tue Jan 23 01:05:18 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];
… …
1137 my $path = path $pl; 987 my $path = path $pl;
1138 my $guard = cf::lock_acquire "user_save:$path"; 988 my $guard = cf::lock_acquire "user_save:$path";
1139 989
1140 return if $pl->{deny_save}; 990 return if $pl->{deny_save};
1141 991
1142 Coro::AIO::aio_mkdir playerdir $pl, 0770; 992 aio_mkdir playerdir $pl, 0770;
1143 $pl->{last_save} = $cf::RUNTIME; 993 $pl->{last_save} = $cf::RUNTIME;
1144 994
1145 $pl->save_pl ($path); 995 $pl->save_pl ($path);
1146 Coro::cede; 996 Coro::cede;
1147} 997}
… …
1156 1006
1157 $cf::PLAYER{$login} = $self; 1007 $cf::PLAYER{$login} = $self;
1158 1008
1159 $self 1009 $self
1160} 1010}
1011
1012=item $pl->quit_character
1013
1014Nukes the player without looking back. If logged in, the connection will
1015be destroyed. May block for a long time.
1016
1017=cut
1161 1018
1162sub quit_character { 1019sub quit_character {
1163 my ($pl) = @_; 1020 my ($pl) = @_;
1164 1021
1165 $pl->{deny_save} = 1; 1022 $pl->{deny_save} = 1;
… …
1170 $pl->invoke (cf::EVENT_PLAYER_QUIT); 1027 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1171 $pl->ns->destroy if $pl->ns; 1028 $pl->ns->destroy if $pl->ns;
1172 1029
1173 my $path = playerdir $pl; 1030 my $path = playerdir $pl;
1174 my $temp = "$path~$cf::RUNTIME~deleting~"; 1031 my $temp = "$path~$cf::RUNTIME~deleting~";
1175 Coro::AIO::aio_rename $path, $temp; 1032 aio_rename $path, $temp;
1176 delete $cf::PLAYER{$pl->ob->name}; 1033 delete $cf::PLAYER{$pl->ob->name};
1177 $pl->destroy; 1034 $pl->destroy;
1178 IO::AIO::aio_rmtree $temp; 1035 IO::AIO::aio_rmtree $temp;
1179} 1036}
1180 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;
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
1088}
1089
1181=item $player->ext_reply ($msgid, $msgtype, %msg) 1090=item $player->ext_reply ($msgid, $msgtype, %msg)
1182 1091
1183Sends an ext reply to the player. 1092Sends an ext reply to the player.
1184 1093
1185=cut 1094=cut
… …
1206package cf::map; 1115package cf::map;
1207 1116
1208use Fcntl; 1117use Fcntl;
1209use Coro::AIO; 1118use Coro::AIO;
1210 1119
1120use overload
1121 '""' => \&as_string,
1122 fallback => 1;
1123
1211our $MAX_RESET = 3600; 1124our $MAX_RESET = 3600;
1212our $DEFAULT_RESET = 3000; 1125our $DEFAULT_RESET = 3000;
1213 1126
1214sub generate_random_map { 1127sub generate_random_map {
1215 my ($path, $rmp) = @_; 1128 my ($self, $rmp) = @_;
1216
1217 # mit "rum" bekleckern, nicht 1129 # mit "rum" bekleckern, nicht
1218 cf::map::_create_random_map 1130 $self->_create_random_map (
1219 $path,
1220 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1131 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1221 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1132 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1222 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1133 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1223 $rmp->{exit_on_final_map}, 1134 $rmp->{exit_on_final_map},
1224 $rmp->{xsize}, $rmp->{ysize}, 1135 $rmp->{xsize}, $rmp->{ysize},
1225 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1136 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1226 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1137 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1227 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1138 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1228 $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},
1229 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1140 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1230 (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
1231} 1268}
1232 1269
1233# and all this just because we cannot iterate over 1270# and all this just because we cannot iterate over
1234# all maps in C++... 1271# all maps in C++...
1235sub change_all_map_light { 1272sub change_all_map_light {
… …
1237 1274
1238 $_->change_map_light ($change) 1275 $_->change_map_light ($change)
1239 for grep $_->outdoor, values %cf::MAP; 1276 for grep $_->outdoor, values %cf::MAP;
1240} 1277}
1241 1278
1279sub unlink_save {
1280 my ($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
1242sub try_load_header($) { 1287sub load_header_from($) {
1243 my ($path) = @_; 1288 my ($self, $path) = @_;
1244 1289
1245 utf8::encode $path; 1290 utf8::encode $path;
1246 aio_open $path, O_RDONLY, 0 1291 aio_open $path, O_RDONLY, 0
1247 or return; 1292 or return;
1248 1293
1249 my $map = cf::map::new 1294 $self->_load_header ($path)
1250 or return; 1295 or return;
1251 1296
1252 # for better error messages only, will be overwritten 1297 $self->{load_path} = $path;
1253 $map->path ($path);
1254 1298
1255 $map->load_header ($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
1256 or return; 1340 or return;
1341 $self->prepare_orig;
1342 }
1257 1343
1258 $map->{load_path} = $path; 1344 1
1259
1260 $map
1261} 1345}
1262 1346
1263sub find; 1347sub find;
1264sub find { 1348sub find {
1265 my ($path, $origin) = @_; 1349 my ($path, $origin) = @_;
1266 1350
1267 #warn "find<$path,$origin>\n";#d#
1268
1269 $path = new cf::path $path, $origin && $origin->path; 1351 $path = normalise $path, $origin && $origin->path;
1270 my $key = $path->as_string;
1271 1352
1272 cf::lock_wait "map_find:$key"; 1353 cf::lock_wait "map_find:$path";
1273 1354
1274 $cf::MAP{$key} || do { 1355 $cf::MAP{$path} || do {
1275 my $guard = cf::lock_acquire "map_find:$key"; 1356 my $guard = cf::lock_acquire "map_find:$path";
1276 1357 my $map = new_from_path cf::map $path
1277 # do it the slow way
1278 my $map = try_load_header $path->save_path;
1279
1280 Coro::cede;
1281
1282 if ($map) {
1283 $map->last_access ((delete $map->{last_access})
1284 || $cf::RUNTIME); #d#
1285 # safety
1286 $map->{instantiate_time} = $cf::RUNTIME
1287 if $map->{instantiate_time} > $cf::RUNTIME;
1288 } else {
1289 if (my $rmp = $path->random_map_params) {
1290 $map = generate_random_map $key, $rmp;
1291 } else {
1292 $map = try_load_header $path->load_path;
1293 }
1294
1295 $map or return; 1358 or return;
1296 1359
1297 $map->{load_original} = 1;
1298 $map->{instantiate_time} = $cf::RUNTIME;
1299 $map->last_access ($cf::RUNTIME);
1300 $map->instantiate;
1301
1302 # per-player maps become, after loading, normal maps
1303 $map->per_player (0) if $path->{user_rel};
1304 }
1305
1306 $map->path ($key);
1307 $map->{path} = $path;
1308 $map->{last_save} = $cf::RUNTIME; 1360 $map->{last_save} = $cf::RUNTIME;
1309 1361
1310 Coro::cede; 1362 $map->load_header
1363 or return;
1311 1364
1312 if ($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;
1313 $map->reset; 1368 $map->reset;
1314 undef $guard; 1369 undef $guard;
1315 $map = find $path 1370 $map = find $path
1316 or return; 1371 or return;
1317 } 1372 }
1318 1373
1319 $cf::MAP{$key} = $map 1374 $cf::MAP{$path} = $map
1320 } 1375 }
1321} 1376}
1377
1378sub pre_load { }
1379sub post_load { }
1322 1380
1323sub load { 1381sub load {
1324 my ($self) = @_; 1382 my ($self) = @_;
1325 1383
1326 my $path = $self->{path}; 1384 my $path = $self->{path};
1327 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1385 my $guard = cf::lock_acquire "map_load:$path";
1328 1386
1329 return if $self->in_memory != cf::MAP_SWAPPED; 1387 return if $self->in_memory != cf::MAP_SWAPPED;
1330 1388
1331 $self->in_memory (cf::MAP_LOADING); 1389 $self->in_memory (cf::MAP_LOADING);
1332 1390
1333 $self->alloc; 1391 $self->alloc;
1392
1393 $self->pre_load;
1394
1334 $self->load_objects ($self->{load_path}, 1) 1395 $self->_load_objects ($self->{load_path}, 1)
1335 or return; 1396 or return;
1336 1397
1337 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1398 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1338 if delete $self->{load_original}; 1399 if delete $self->{load_original};
1339 1400
1340 if (my $uniq = $path->uniq_path) { 1401 if (my $uniq = $self->uniq_path) {
1341 utf8::encode $uniq; 1402 utf8::encode $uniq;
1342 if (aio_open $uniq, O_RDONLY, 0) { 1403 if (aio_open $uniq, O_RDONLY, 0) {
1343 $self->clear_unique_items; 1404 $self->clear_unique_items;
1344 $self->load_objects ($uniq, 0); 1405 $self->_load_objects ($uniq, 0);
1345 } 1406 }
1346 } 1407 }
1347 1408
1348 Coro::cede; 1409 Coro::cede;
1349 1410
1350 # now do the right thing for maps 1411 # now do the right thing for maps
1351 $self->link_multipart_objects; 1412 $self->link_multipart_objects;
1352 1413
1353 if ($self->{path}->is_style_map) { 1414 unless ($self->{deny_activate}) {
1354 $self->{deny_save} = 1; 1415 $self->decay_objects;
1355 $self->{deny_reset} = 1;
1356 } else {
1357 $self->fix_auto_apply; 1416 $self->fix_auto_apply;
1358 $self->decay_objects;
1359 $self->update_buttons; 1417 $self->update_buttons;
1418 Coro::cede;
1360 $self->set_darkness_map; 1419 $self->set_darkness_map;
1361 $self->difficulty ($self->estimate_difficulty) 1420 $self->difficulty ($self->estimate_difficulty)
1362 unless $self->difficulty; 1421 unless $self->difficulty;
1422 Coro::cede;
1363 $self->activate; 1423 $self->activate;
1364 } 1424 }
1365 1425
1366 Coro::cede; 1426 $self->post_load;
1367 1427
1368 $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 $neigh->load;
1461 }
1369} 1462}
1370 1463
1371sub find_sync { 1464sub find_sync {
1372 my ($path, $origin) = @_; 1465 my ($path, $origin) = @_;
1373 1466
1374 cf::sync_job { cf::map::find $path, $origin } 1467 cf::sync_job { find $path, $origin }
1375} 1468}
1376 1469
1377sub do_load_sync { 1470sub do_load_sync {
1378 my ($map) = @_; 1471 my ($map) = @_;
1379 1472
1380 cf::sync_job { $map->load }; 1473 cf::sync_job { $map->load };
1381} 1474}
1382 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 $MAP_PREFETCHER->prio (6);
1502
1503 ()
1504}
1505
1383sub save { 1506sub save {
1384 my ($self) = @_; 1507 my ($self) = @_;
1385 1508
1386 my $lock = cf::lock_acquire "map_data:" . $self->path; 1509 my $lock = cf::lock_acquire "map_data:" . $self->path;
1387 1510
1388 $self->{last_save} = $cf::RUNTIME; 1511 $self->{last_save} = $cf::RUNTIME;
1389 1512
1390 return unless $self->dirty; 1513 return unless $self->dirty;
1391 1514
1392 my $save = $self->{path}->save_path; utf8::encode $save; 1515 my $save = $self->save_path; utf8::encode $save;
1393 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1516 my $uniq = $self->uniq_path; utf8::encode $uniq;
1394 1517
1395 $self->{load_path} = $save; 1518 $self->{load_path} = $save;
1396 1519
1397 return if $self->{deny_save}; 1520 return if $self->{deny_save};
1398 1521
… …
1401 cf::async { 1524 cf::async {
1402 $_->contr->save for $self->players; 1525 $_->contr->save for $self->players;
1403 }; 1526 };
1404 1527
1405 if ($uniq) { 1528 if ($uniq) {
1406 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1529 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1407 $self->save_objects ($uniq, cf::IO_UNIQUES); 1530 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1408 } else { 1531 } else {
1409 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1532 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1410 } 1533 }
1411} 1534}
1412 1535
1413sub swap_out { 1536sub swap_out {
1414 my ($self) = @_; 1537 my ($self) = @_;
… …
1428 1551
1429sub reset_at { 1552sub reset_at {
1430 my ($self) = @_; 1553 my ($self) = @_;
1431 1554
1432 # TODO: safety, remove and allow resettable per-player maps 1555 # TODO: safety, remove and allow resettable per-player maps
1433 return 1e99 if $self->{path}{user_rel}; 1556 return 1e99 if $self->isa ("ext::map_per_player");#d#
1434 return 1e99 if $self->{deny_reset}; 1557 return 1e99 if $self->{deny_reset};
1435 1558
1436 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1559 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1437 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1560 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1438 1561
… …
1443 my ($self) = @_; 1566 my ($self) = @_;
1444 1567
1445 $self->reset_at <= $cf::RUNTIME 1568 $self->reset_at <= $cf::RUNTIME
1446} 1569}
1447 1570
1448sub unlink_save {
1449 my ($self) = @_;
1450
1451 utf8::encode (my $save = $self->{path}->save_path);
1452 aioreq_pri 3; IO::AIO::aio_unlink $save;
1453 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1454}
1455
1456sub rename {
1457 my ($self, $new_path) = @_;
1458
1459 $self->unlink_save;
1460
1461 delete $cf::MAP{$self->path};
1462 $self->{path} = new cf::path $new_path;
1463 $self->path ($self->{path}->as_string);
1464 $cf::MAP{$self->path} = $self;
1465
1466 $self->save;
1467}
1468
1469sub reset { 1571sub reset {
1470 my ($self) = @_; 1572 my ($self) = @_;
1471 1573
1472 my $lock = cf::lock_acquire "map_data:" . $self->path; 1574 my $lock = cf::lock_acquire "map_data:$self->{path}";
1473 1575
1474 return if $self->players; 1576 return if $self->players;
1475 return if $self->{path}{user_rel};#d# 1577 return if $self->isa ("ext::map_per_player");#d#
1476 1578
1477 warn "resetting map ", $self->path;#d# 1579 warn "resetting map ", $self->path;#d#
1478 1580
1479 delete $cf::MAP{$self->path}; 1581 delete $cf::MAP{$self->path};
1582
1583 $self->in_memory (cf::MAP_SWAPPED);
1584 $self->clear;
1480 1585
1481 $_->clear_links_to ($self) for values %cf::MAP; 1586 $_->clear_links_to ($self) for values %cf::MAP;
1482 1587
1483 $self->unlink_save; 1588 $self->unlink_save;
1484 $self->destroy; 1589 $self->destroy;
… …
1487my $nuke_counter = "aaaa"; 1592my $nuke_counter = "aaaa";
1488 1593
1489sub nuke { 1594sub nuke {
1490 my ($self) = @_; 1595 my ($self) = @_;
1491 1596
1597 delete $cf::MAP{$self->path};
1598
1599 $self->unlink_save;
1600
1601 bless $self, "cf::map";
1602 delete $self->{deny_reset};
1492 $self->{deny_save} = 1; 1603 $self->{deny_save} = 1;
1493 $self->reset_timeout (1); 1604 $self->reset_timeout (1);
1494 $self->rename ("{nuke}/" . ($nuke_counter++)); 1605 $self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
1606
1607 $cf::MAP{$self->path} = $self;
1608
1495 $self->reset; # polite request, might not happen 1609 $self->reset; # polite request, might not happen
1496} 1610}
1497 1611
1498sub customise_for { 1612=item cf::map::unique_maps
1499 my ($map, $ob) = @_;
1500 1613
1501 if ($map->per_player) { 1614Returns an arrayref of paths of all shared maps that have
1502 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1615instantiated unique items. May block.
1503 }
1504 1616
1505 $map 1617=cut
1506}
1507 1618
1508sub emergency_save { 1619sub unique_maps() {
1509 my $freeze_guard = cf::freeze_mainloop; 1620 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1621 or return;
1510 1622
1511 warn "enter emergency perl save\n"; 1623 my @paths;
1512 1624
1513 cf::sync_job { 1625 for (@$files) {
1514 warn "begin emergency player save\n"; 1626 utf8::decode $_;
1515 $_->save for values %cf::PLAYER; 1627 next if /\.pst$/;
1516 warn "end emergency player save\n"; 1628 next unless /^$PATH_SEP/o;
1517 1629
1518 warn "begin emergency map save\n"; 1630 s/\.map$//;
1519 $_->save for values %cf::MAP; 1631 push @paths, $_;
1520 warn "end emergency map save\n";
1521 }; 1632 }
1522 1633
1523 warn "leave emergency perl save\n"; 1634 \@paths
1524} 1635}
1525 1636
1526package cf; 1637package cf;
1527 1638
1528=back 1639=back
1529 1640
1641=head3 cf::object
1642
1643=cut
1644
1645package cf::object;
1646
1647=over 4
1648
1649=item $ob->inv_recursive
1650
1651Returns the inventory of the object _and_ their inventories, recursively.
1652
1653=cut
1654
1655sub inv_recursive_;
1656sub inv_recursive_ {
1657 map { $_, inv_recursive_ $_->inv } @_
1658}
1659
1660sub inv_recursive {
1661 inv_recursive_ inv $_[0]
1662}
1663
1664package cf;
1665
1666=back
1530 1667
1531=head3 cf::object::player 1668=head3 cf::object::player
1532 1669
1533=over 4 1670=over 4
1534 1671
… …
1574 1711
1575=item $player_object->enter_link 1712=item $player_object->enter_link
1576 1713
1577Freezes the player and moves him/her to a special map (C<{link}>). 1714Freezes the player and moves him/her to a special map (C<{link}>).
1578 1715
1579The player should be reaosnably safe there for short amounts of time. You 1716The player should be reasonably safe there for short amounts of time. You
1580I<MUST> call C<leave_link> as soon as possible, though. 1717I<MUST> call C<leave_link> as soon as possible, though.
1581 1718
1719Will never block.
1720
1582=item $player_object->leave_link ($map, $x, $y) 1721=item $player_object->leave_link ($map, $x, $y)
1583 1722
1584Moves the player out of the specila link map onto the given map. If the 1723Moves the player out of the special C<{link}> map onto the specified
1585map is not valid (or omitted), the player will be moved back to the 1724map. If the map is not valid (or omitted), the player will be moved back
1586location he/she was before the call to C<enter_link>, or, if that fails, 1725to the location he/she was before the call to C<enter_link>, or, if that
1587to the emergency map position. 1726fails, to the emergency map position.
1588 1727
1589Might block. 1728Might block.
1590 1729
1591=cut 1730=cut
1731
1732sub link_map {
1733 unless ($LINK_MAP) {
1734 $LINK_MAP = cf::map::find "{link}"
1735 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1736 $LINK_MAP->load;
1737 }
1738
1739 $LINK_MAP
1740}
1592 1741
1593sub cf::object::player::enter_link { 1742sub cf::object::player::enter_link {
1594 my ($self) = @_; 1743 my ($self) = @_;
1595 1744
1596 $self->deactivate_recursive; 1745 $self->deactivate_recursive;
1597 1746
1598 return if $self->map == $LINK_MAP; 1747 return if UNIVERSAL::isa $self->map, "ext::map_link";
1599 1748
1600 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1749 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1601 if $self->map; 1750 if $self->map;
1602 1751
1603 $self->enter_map ($LINK_MAP, 20, 20); 1752 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1604} 1753}
1605 1754
1606sub cf::object::player::leave_link { 1755sub cf::object::player::leave_link {
1607 my ($self, $map, $x, $y) = @_; 1756 my ($self, $map, $x, $y) = @_;
1608 1757
… …
1626 # use -1 or undef as default coordinates, not 0, 0 1775 # use -1 or undef as default coordinates, not 0, 0
1627 ($x, $y) = ($map->enter_x, $map->enter_y) 1776 ($x, $y) = ($map->enter_x, $map->enter_y)
1628 if $x <=0 && $y <= 0; 1777 if $x <=0 && $y <= 0;
1629 1778
1630 $map->load; 1779 $map->load;
1780 $map->load_diag;
1631 1781
1632 return unless $self->contr->active; 1782 return unless $self->contr->active;
1633 $self->activate_recursive; 1783 $self->activate_recursive;
1634 $self->enter_map ($map, $x, $y); 1784 $self->enter_map ($map, $x, $y);
1635} 1785}
… …
1674 my ($self, $path, $x, $y) = @_; 1824 my ($self, $path, $x, $y) = @_;
1675 1825
1676 $self->enter_link; 1826 $self->enter_link;
1677 1827
1678 (async { 1828 (async {
1679 $path = new cf::path $path;
1680
1681 my $map = cf::map::find $path->as_string; 1829 my $map = cf::map::find $path;
1682 $map = $map->customise_for ($self) if $map; 1830 $map = $map->customise_for ($self) if $map;
1683 1831
1684# warn "entering ", $map->path, " at ($x, $y)\n" 1832# warn "entering ", $map->path, " at ($x, $y)\n"
1685# if $map; 1833# if $map;
1686 1834
1687 $map or $map->cluck ("oy");#d#
1688 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1835 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1689 1836
1690 $self->leave_link ($map, $x, $y); 1837 $self->leave_link ($map, $x, $y);
1691 })->prio (1); 1838 })->prio (1);
1692} 1839}
… …
1697 1844
1698sub parse_random_map_params { 1845sub parse_random_map_params {
1699 my ($spec) = @_; 1846 my ($spec) = @_;
1700 1847
1701 my $rmp = { # defaults 1848 my $rmp = { # defaults
1702 xsize => 10, 1849 xsize => (cf::rndm 15, 40),
1703 ysize => 10, 1850 ysize => (cf::rndm 15, 40),
1851 symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
1852 #layout => string,
1704 }; 1853 };
1705 1854
1706 for (split /\n/, $spec) { 1855 for (split /\n/, $spec) {
1707 my ($k, $v) = split /\s+/, $_, 2; 1856 my ($k, $v) = split /\s+/, $_, 2;
1708 1857
… …
1712 $rmp 1861 $rmp
1713} 1862}
1714 1863
1715sub prepare_random_map { 1864sub prepare_random_map {
1716 my ($exit) = @_; 1865 my ($exit) = @_;
1866
1867 my $guard = cf::lock_acquire "exit_prepare:$exit";
1717 1868
1718 # all this does is basically replace the /! path by 1869 # all this does is basically replace the /! path by
1719 # a new random map path (?random/...) with a seed 1870 # a new random map path (?random/...) with a seed
1720 # that depends on the exit object 1871 # that depends on the exit object
1721 1872
… …
1730 1881
1731 $rmp->{random_seed} ||= $exit->random_seed; 1882 $rmp->{random_seed} ||= $exit->random_seed;
1732 1883
1733 my $data = cf::to_json $rmp; 1884 my $data = cf::to_json $rmp;
1734 my $md5 = Digest::MD5::md5_hex $data; 1885 my $md5 = Digest::MD5::md5_hex $data;
1886 my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1735 1887
1736 if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) { 1888 if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1737 aio_write $fh, 0, (length $data), $data, 0; 1889 aio_write $fh, 0, (length $data), $data, 0;
1890 undef $fh;
1891 aio_rename "$meta~", $meta;
1738 1892
1739 $exit->slaying ("?random/$md5"); 1893 $exit->slaying ("?random/$md5");
1740 $exit->msg (undef); 1894 $exit->msg (undef);
1741 } 1895 }
1742} 1896}
… …
1752 $self->deactivate_recursive; # just to be sure 1906 $self->deactivate_recursive; # just to be sure
1753 unless (eval { 1907 unless (eval {
1754 prepare_random_map $exit 1908 prepare_random_map $exit
1755 if $exit->slaying eq "/!"; 1909 if $exit->slaying eq "/!";
1756 1910
1757 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1911 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1758 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1912 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1759 1913
1760 1; 1914 1;
1761 }) { 1915 }) {
1762 $self->message ("Something went wrong deep within the crossfire server. " 1916 $self->message ("Something went wrong deep within the crossfire server. "
1763 . "I'll try to bring you back to the map you were before. " 1917 . "I'll try to bring you back to the map you were before. "
1764 . "Please report this to the dungeon master", 1918 . "Please report this to the dungeon master!",
1765 cf::NDI_UNIQUE | cf::NDI_RED); 1919 cf::NDI_UNIQUE | cf::NDI_RED);
1766 1920
1767 warn "ERROR in enter_exit: $@"; 1921 warn "ERROR in enter_exit: $@";
1768 $self->leave_link; 1922 $self->leave_link;
1769 } 1923 }
… …
2052 sub db_sync() { 2206 sub db_sync() {
2053 db_save if $dirty; 2207 db_save if $dirty;
2054 undef $dirty; 2208 undef $dirty;
2055 } 2209 }
2056 2210
2057 my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub { 2211 my $idle = Event->idle (
2058 db_sync; 2212 reentrant => 0,
2213 min => 10,
2214 max => 20,
2215 repeat => 0,
2216 data => WF_AUTOCANCEL,
2217 cb => \&db_sync,
2059 }); 2218 );
2060 2219
2061 sub db_dirty() { 2220 sub db_dirty() {
2062 $dirty = 1; 2221 $dirty = 1;
2063 $idle->start; 2222 $idle->start;
2064 } 2223 }
… …
2112 2271
2113sub main { 2272sub main {
2114 # we must not ever block the main coroutine 2273 # we must not ever block the main coroutine
2115 local $Coro::idle = sub { 2274 local $Coro::idle = sub {
2116 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2275 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2276 (async {
2117 async { Event::one_event }; 2277 Event::one_event;
2278 })->prio (Coro::PRIO_MAX);
2118 }; 2279 };
2119 2280
2120 cfg_load; 2281 cfg_load;
2121 db_load; 2282 db_load;
2122 load_extensions; 2283 load_extensions;
2284
2285 $TICK_WATCHER->start;
2123 Event::loop; 2286 Event::loop;
2124} 2287}
2125 2288
2126############################################################################# 2289#############################################################################
2127# initialisation 2290# initialisation and cleanup
2291
2292# install some emergency cleanup handlers
2293BEGIN {
2294 for my $signal (qw(INT HUP TERM)) {
2295 Event->signal (
2296 reentrant => 0,
2297 data => WF_AUTOCANCEL,
2298 signal => $signal,
2299 prio => 0,
2300 cb => sub {
2301 cf::cleanup "SIG$signal";
2302 },
2303 );
2304 }
2305}
2306
2307sub emergency_save() {
2308 my $freeze_guard = cf::freeze_mainloop;
2309
2310 warn "enter emergency perl save\n";
2311
2312 cf::sync_job {
2313 # use a peculiar iteration method to avoid tripping on perl
2314 # refcount bugs in for. also avoids problems with players
2315 # and maps saved/destroyed asynchronously.
2316 warn "begin emergency player save\n";
2317 for my $login (keys %cf::PLAYER) {
2318 my $pl = $cf::PLAYER{$login} or next;
2319 $pl->valid or next;
2320 $pl->save;
2321 }
2322 warn "end emergency player save\n";
2323
2324 warn "begin emergency map save\n";
2325 for my $path (keys %cf::MAP) {
2326 my $map = $cf::MAP{$path} or next;
2327 $map->valid or next;
2328 $map->save;
2329 }
2330 warn "end emergency map save\n";
2331 };
2332
2333 warn "leave emergency perl save\n";
2334}
2128 2335
2129sub reload() { 2336sub reload() {
2130 # can/must only be called in main 2337 # can/must only be called in main
2131 if ($Coro::current != $Coro::main) { 2338 if ($Coro::current != $Coro::main) {
2132 warn "can only reload from main coroutine\n"; 2339 warn "can only reload from main coroutine";
2133 return; 2340 return;
2134 } 2341 }
2135 2342
2136 warn "reloading..."; 2343 warn "reloading...";
2137 2344
2138 my $guard = freeze_mainloop; 2345 warn "cancelling server ticker";
2346 $TICK_WATCHER->cancel;
2347
2139 cf::emergency_save; 2348 cf::emergency_save;
2140 2349
2141 eval { 2350 eval {
2142 # if anything goes wrong in here, we should simply crash as we already saved 2351 # if anything goes wrong in here, we should simply crash as we already saved
2143 2352
2144 # cancel all watchers 2353 warn "syncing database to disk";
2354 cf::db_sync;
2355
2356 warn "cancelling all WF_AUTOCANCEL watchers";
2145 for (Event::all_watchers) { 2357 for (Event::all_watchers) {
2146 $_->cancel if $_->data & WF_AUTOCANCEL; 2358 $_->cancel if $_->data & WF_AUTOCANCEL;
2147 } 2359 }
2148 2360
2361 warn "flushing outstanding aio requests";
2362 for (;;) {
2363 IO::AIO::flush;
2364 Coro::cede;
2365 last unless IO::AIO::nreqs;
2366 warn "iterate...";
2367 }
2368
2149 # cancel all extension coros 2369 warn "cancelling all extension coros";
2150 $_->cancel for values %EXT_CORO; 2370 $_->cancel for values %EXT_CORO;
2151 %EXT_CORO = (); 2371 %EXT_CORO = ();
2152 2372
2153 # unload all extensions 2373 warn "removing commands";
2154 for (@exts) { 2374 %COMMAND = ();
2375
2376 warn "removing ext commands";
2377 %EXTCMD = ();
2378
2379 warn "unloading/nuking all extensions";
2380 for my $pkg (@EXTS) {
2155 warn "unloading <$_>"; 2381 warn "... unloading $pkg";
2156 unload_extension $_; 2382
2383 if (my $cb = $pkg->can ("unload")) {
2384 eval {
2385 $cb->($pkg);
2386 1
2387 } or warn "$pkg unloaded, but with errors: $@";
2157 } 2388 }
2158 2389
2390 warn "... nuking $pkg";
2391 Symbol::delete_package $pkg;
2392 }
2393
2159 # unload all modules loaded from $LIBDIR 2394 warn "unloading all perl modules loaded from $LIBDIR";
2160 while (my ($k, $v) = each %INC) { 2395 while (my ($k, $v) = each %INC) {
2161 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2396 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2162 2397
2163 warn "removing <$k>"; 2398 warn "... unloading $k";
2164 delete $INC{$k}; 2399 delete $INC{$k};
2165 2400
2166 $k =~ s/\.pm$//; 2401 $k =~ s/\.pm$//;
2167 $k =~ s/\//::/g; 2402 $k =~ s/\//::/g;
2168 2403
… …
2171 } 2406 }
2172 2407
2173 Symbol::delete_package $k; 2408 Symbol::delete_package $k;
2174 } 2409 }
2175 2410
2176 # sync database to disk
2177 cf::db_sync;
2178 IO::AIO::flush;
2179
2180 # get rid of safe::, as good as possible 2411 warn "getting rid of safe::, as good as possible";
2181 Symbol::delete_package "safe::$_" 2412 Symbol::delete_package "safe::$_"
2182 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2413 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2183 2414
2184 # remove register_script_function callbacks
2185 # TODO
2186
2187 # unload cf.pm "a bit" 2415 warn "unloading cf.pm \"a bit\"";
2188 delete $INC{"cf.pm"}; 2416 delete $INC{"cf.pm"};
2189 2417
2190 # don't, removes xs symbols, too, 2418 # don't, removes xs symbols, too,
2191 # and global variables created in xs 2419 # and global variables created in xs
2192 #Symbol::delete_package __PACKAGE__; 2420 #Symbol::delete_package __PACKAGE__;
2193 2421
2194 # reload cf.pm 2422 warn "unload completed, starting to reload now";
2423
2195 warn "reloading cf.pm"; 2424 warn "reloading cf.pm";
2196 require cf; 2425 require cf;
2197 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2426 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2198 2427
2199 # load config and database again 2428 warn "loading config and database again";
2200 cf::cfg_load; 2429 cf::cfg_load;
2201 cf::db_load; 2430 cf::db_load;
2202 2431
2203 # load extensions
2204 warn "load extensions"; 2432 warn "loading extensions";
2205 cf::load_extensions; 2433 cf::load_extensions;
2206 2434
2207 # reattach attachments to objects 2435 warn "reattaching attachments to objects/players";
2208 warn "reattach";
2209 _global_reattach; 2436 _global_reattach;
2437 warn "reattaching attachments to maps";
2210 reattach $_ for values %MAP; 2438 reattach $_ for values %MAP;
2439
2440 warn "restarting server ticker";
2441
2442 $TICK_WATCHER->start;
2211 }; 2443 };
2212 2444
2213 if ($@) { 2445 if ($@) {
2214 warn $@; 2446 warn $@;
2215 warn "error while reloading, exiting."; 2447 warn "error while reloading, exiting.";
2216 exit 1; 2448 exit 1;
2217 } 2449 }
2218 2450
2219 warn "reloaded successfully"; 2451 warn "reloaded";
2220}; 2452};
2221 2453
2222############################################################################# 2454our $RELOAD_WATCHER; # used only during reload
2223
2224unless ($LINK_MAP) {
2225 $LINK_MAP = cf::map::new;
2226
2227 $LINK_MAP->width (41);
2228 $LINK_MAP->height (41);
2229 $LINK_MAP->alloc;
2230 $LINK_MAP->path ("{link}");
2231 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2232 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2233
2234 # dirty hack because... archetypes are not yet loaded
2235 Event->timer (
2236 after => 10,
2237 cb => sub {
2238 $_[0]->w->cancel;
2239
2240 # provide some exits "home"
2241 my $exit = cf::object::new "exit";
2242
2243 $exit->slaying ($EMERGENCY_POSITION->[0]);
2244 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2245 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2246
2247 $LINK_MAP->insert ($exit->clone, 19, 19);
2248 $LINK_MAP->insert ($exit->clone, 19, 20);
2249 $LINK_MAP->insert ($exit->clone, 19, 21);
2250 $LINK_MAP->insert ($exit->clone, 20, 19);
2251 $LINK_MAP->insert ($exit->clone, 20, 21);
2252 $LINK_MAP->insert ($exit->clone, 21, 19);
2253 $LINK_MAP->insert ($exit->clone, 21, 20);
2254 $LINK_MAP->insert ($exit->clone, 21, 21);
2255
2256 $exit->destroy;
2257 });
2258
2259 $LINK_MAP->{deny_save} = 1;
2260 $LINK_MAP->{deny_reset} = 1;
2261
2262 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2263}
2264
2265register "<global>", __PACKAGE__;
2266 2455
2267register_command "reload" => sub { 2456register_command "reload" => sub {
2268 my ($who, $arg) = @_; 2457 my ($who, $arg) = @_;
2269 2458
2270 if ($who->flag (FLAG_WIZ)) { 2459 if ($who->flag (FLAG_WIZ)) {
2271 $who->message ("start of reload."); 2460 $who->message ("reloading server.");
2461
2462 # doing reload synchronously and two reloads happen back-to-back,
2463 # coro crashes during coro_state_free->destroy here.
2464
2465 $RELOAD_WATCHER ||= Event->timer (
2466 reentrant => 0,
2467 after => 0,
2468 data => WF_AUTOCANCEL,
2469 cb => sub {
2272 reload; 2470 reload;
2273 $who->message ("end of reload."); 2471 undef $RELOAD_WATCHER;
2472 },
2473 );
2274 } 2474 }
2275}; 2475};
2276 2476
2277unshift @INC, $LIBDIR; 2477unshift @INC, $LIBDIR;
2478
2479my $bug_warning = 0;
2278 2480
2279$TICK_WATCHER = Event->timer ( 2481$TICK_WATCHER = Event->timer (
2280 reentrant => 0, 2482 reentrant => 0,
2483 parked => 1,
2281 prio => 0, 2484 prio => 0,
2282 at => $NEXT_TICK || $TICK, 2485 at => $NEXT_TICK || $TICK,
2283 data => WF_AUTOCANCEL, 2486 data => WF_AUTOCANCEL,
2284 cb => sub { 2487 cb => sub {
2488 if ($Coro::current != $Coro::main) {
2489 Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
2490 unless ++$bug_warning > 10;
2491 return;
2492 }
2493
2494 $NOW = Event::time;
2495
2285 cf::server_tick; # one server iteration 2496 cf::server_tick; # one server iteration
2286 $RUNTIME += $TICK; 2497 $RUNTIME += $TICK;
2287 $NEXT_TICK += $TICK; 2498 $NEXT_TICK += $TICK;
2499
2500 $WAIT_FOR_TICK->broadcast;
2501 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2502
2503 Event::sweep;
2504 Coro::cede_notself;
2505
2506# my $AFTER = Event::time;
2507# warn $AFTER - $NOW;#d#
2288 2508
2289 # if we are delayed by four ticks or more, skip them all 2509 # if we are delayed by four ticks or more, skip them all
2290 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2510 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2291 2511
2292 $TICK_WATCHER->at ($NEXT_TICK); 2512 $TICK_WATCHER->at ($NEXT_TICK);
2293 $TICK_WATCHER->start; 2513 $TICK_WATCHER->start;
2294 }, 2514 },
2295); 2515);
2296 2516
2297IO::AIO::max_poll_time $TICK * 0.2; 2517IO::AIO::max_poll_time $TICK * 0.1;
2298 2518
2299Event->io ( 2519undef $Coro::AIO::WATCHER;
2520$AIO_POLL_WATCHER = Event->io (
2521 reentrant => 0,
2300 fd => IO::AIO::poll_fileno, 2522 fd => IO::AIO::poll_fileno,
2301 poll => 'r', 2523 poll => 'r',
2302 prio => 5, 2524 prio => 6,
2303 data => WF_AUTOCANCEL, 2525 data => WF_AUTOCANCEL,
2304 cb => \&IO::AIO::poll_cb, 2526 cb => \&IO::AIO::poll_cb,
2305); 2527);
2306 2528
2307Event->timer ( 2529$WRITE_RUNTIME_WATCHER = Event->timer (
2530 reentrant => 0,
2308 data => WF_AUTOCANCEL, 2531 data => WF_AUTOCANCEL,
2309 after => 0, 2532 after => 1,
2310 interval => 10, 2533 interval => 10,
2311 cb => sub { 2534 prio => 6, # keep it lowest so it acts like a watchdog
2312 (Coro::unblock_sub { 2535 cb => Coro::unblock_sub {
2313 write_runtime 2536 write_runtime
2314 or warn "ERROR: unable to write runtime file: $!"; 2537 or warn "ERROR: unable to write runtime file: $!";
2315 })->();
2316 }, 2538 },
2317); 2539);
2318 2540
2319END { cf::emergency_save } 2541END { cf::emergency_save }
2320 2542

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