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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.136 by root, Fri Jan 5 01:06:28 2007 UTC vs.
Revision 1.169 by root, Sun Jan 14 01:09:46 2007 UTC

15use Coro::Timer; 15use Coro::Timer;
16use Coro::Signal; 16use Coro::Signal;
17use Coro::Semaphore; 17use Coro::Semaphore;
18use Coro::AIO; 18use Coro::AIO;
19 19
20use Data::Dumper;
20use Digest::MD5; 21use Digest::MD5;
21use Fcntl; 22use Fcntl;
22use IO::AIO 2.31 (); 23use IO::AIO 2.32 ();
23use YAML::Syck (); 24use YAML::Syck ();
24use Time::HiRes; 25use Time::HiRes;
25 26
26use Event; $Event::Eval = 1; # no idea why this is required, but it is 27use Event; $Event::Eval = 1; # no idea why this is required, but it is
27 28
29sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
28# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode? 31# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29$YAML::Syck::ImplicitUnicode = 1; 32$YAML::Syck::ImplicitUnicode = 1;
30 33
31$Coro::main->prio (2); # 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
33sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34 35
35our %COMMAND = (); 36our %COMMAND = ();
36our %COMMAND_TIME = (); 37our %COMMAND_TIME = ();
38
39our @EXTS = (); # list of extension package names
37our %EXTCMD = (); 40our %EXTCMD = ();
41our %EXT_CORO = (); # coroutines bound to extensions
42our %EXT_MAP = (); # pluggable maps
38 43
39our @EVENT; 44our @EVENT;
40our $LIBDIR = datadir . "/ext"; 45our $LIBDIR = datadir . "/ext";
41 46
42our $TICK = MAX_TIME * 1e-6; 47our $TICK = MAX_TIME * 1e-6;
43our $TICK_WATCHER; 48our $TICK_WATCHER;
49our $AIO_POLL_WATCHER;
50our $WRITE_RUNTIME_WATCHER;
44our $NEXT_TICK; 51our $NEXT_TICK;
45our $NOW; 52our $NOW;
46 53
47our %CFG; 54our %CFG;
48 55
49our $UPTIME; $UPTIME ||= time; 56our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 57our $RUNTIME;
51 58
59our %PLAYER; # all users
52our %MAP; # all maps 60our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 61our $LINK_MAP; # the special {link} map, which is always available
54our $RANDOM_MAPS = cf::localdir . "/random"; 62our $RANDOM_MAPS = cf::localdir . "/random";
55our %EXT_CORO; 63
64our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
65our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
66
67# used to convert map paths into valid unix filenames by replacing / by ∕
68our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
56 69
57binmode STDOUT; 70binmode STDOUT;
58binmode STDERR; 71binmode STDERR;
59 72
60# read virtual server time, if available 73# read virtual server time, if available
68mkdir cf::localdir . "/" . cf::playerdir; 81mkdir cf::localdir . "/" . cf::playerdir;
69mkdir cf::localdir . "/" . cf::tmpdir; 82mkdir cf::localdir . "/" . cf::tmpdir;
70mkdir cf::localdir . "/" . cf::uniquedir; 83mkdir cf::localdir . "/" . cf::uniquedir;
71mkdir $RANDOM_MAPS; 84mkdir $RANDOM_MAPS;
72 85
73# a special map that is always available
74our $LINK_MAP;
75our $EMERGENCY_POSITION; 86our $EMERGENCY_POSITION;
76 87
77############################################################################# 88#############################################################################
78 89
79=head2 GLOBAL VARIABLES 90=head2 GLOBAL VARIABLES
104 115
105=item %cf::CFG 116=item %cf::CFG
106 117
107Configuration for the server, loaded from C</etc/crossfire/config>, or 118Configuration for the server, loaded from C</etc/crossfire/config>, or
108from wherever your confdir points to. 119from wherever your confdir points to.
120
121=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
122
123These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
124or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
125processing has been done. Call C<< ->wait >> on them to maximise the
126window of cpu time available, or simply to synchronise to the server tick.
109 127
110=back 128=back
111 129
112=cut 130=cut
113 131
117 utf8::encode $msg; 135 utf8::encode $msg;
118 136
119 $msg .= "\n" 137 $msg .= "\n"
120 unless $msg =~ /\n$/; 138 unless $msg =~ /\n$/;
121 139
122 LOG llevError, "cfperl: $msg"; 140 LOG llevError, $msg;
123 }; 141 };
124} 142}
125 143
126@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 144@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
127@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 145@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
145 163
146$Event::DIED = sub { 164$Event::DIED = sub {
147 warn "error in event callback: @_"; 165 warn "error in event callback: @_";
148}; 166};
149 167
150my %ext_pkg;
151my @exts;
152my @hook;
153
154=head2 UTILITY FUNCTIONS 168=head2 UTILITY FUNCTIONS
155 169
156=over 4 170=over 4
157 171
172=item dumpval $ref
173
158=cut 174=cut
175
176sub dumpval {
177 eval {
178 local $SIG{__DIE__};
179 my $d;
180 if (1) {
181 $d = new Data::Dumper([$_[0]], ["*var"]);
182 $d->Terse(1);
183 $d->Indent(2);
184 $d->Quotekeys(0);
185 $d->Useqq(1);
186 #$d->Bless(...);
187 $d->Seen($_[1]) if @_ > 1;
188 $d = $d->Dump();
189 }
190 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
191 $d
192 } || "[unable to dump $_[0]: '$@']";
193}
159 194
160use JSON::Syck (); # TODO# replace by JSON::PC once working 195use JSON::Syck (); # TODO# replace by JSON::PC once working
161 196
162=item $ref = cf::from_json $json 197=item $ref = cf::from_json $json
163 198
221 # wake up all waiters, to be on the safe side 256 # wake up all waiters, to be on the safe side
222 $_->ready for @{ delete $LOCK{$key} }; 257 $_->ready for @{ delete $LOCK{$key} };
223 } 258 }
224} 259}
225 260
226=item cf::async { BLOCK }
227
228Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the
229error instead of exiting the server in case of a problem.
230
231=cut
232
233sub async(&) {
234 my ($cb) = @_;
235
236 Coro::async {
237 eval { $cb->() };
238 warn $@ if $@;
239 }
240}
241
242sub freeze_mainloop { 261sub freeze_mainloop {
243 return unless $TICK_WATCHER->is_active; 262 return unless $TICK_WATCHER->is_active;
244 263
245 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;
246 $TICK_WATCHER->stop; 269 $TICK_WATCHER->stop;
247 $guard 270 $guard
248} 271}
272
273=item cf::async { BLOCK }
274
275Currently the same as Coro::async_pool, meaning you cannot use
276C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
277thing you are allowed to do is call C<prio> on it.
278
279=cut
280
281BEGIN { *async = \&Coro::async_pool }
249 282
250=item cf::sync_job { BLOCK } 283=item cf::sync_job { BLOCK }
251 284
252The design of crossfire+ requires that the main coro ($Coro::main) is 285The design of crossfire+ requires that the main coro ($Coro::main) is
253always able to handle events or runnable, as crossfire+ is only partly 286always able to handle events or runnable, as crossfire+ is only partly
272 my $freeze_guard = freeze_mainloop; 305 my $freeze_guard = freeze_mainloop;
273 306
274 my $busy = 1; 307 my $busy = 1;
275 my @res; 308 my @res;
276 309
277 (Coro::async { 310 (async {
278 @res = eval { $job->() }; 311 @res = eval { $job->() };
279 warn $@ if $@; 312 warn $@ if $@;
280 undef $busy; 313 undef $busy;
281 })->prio (Coro::PRIO_MAX); 314 })->prio (Coro::PRIO_MAX);
282 315
283 while ($busy) { 316 while ($busy) {
284 Coro::cede_notself; 317 Coro::cede or Event::one_event;
285 Event::one_event unless Coro::nready;
286 } 318 }
287 319
288 wantarray ? @res : $res[0] 320 wantarray ? @res : $res[0]
289 } else { 321 } else {
290 # we are in another coroutine, how wonderful, everything just works 322 # we are in another coroutine, how wonderful, everything just works
291 323
292 $job->() 324 $job->()
293 } 325 }
294} 326}
295 327
296=item $coro = cf::coro { BLOCK } 328=item $coro = cf::async_ext { BLOCK }
297 329
298Creates and returns a new coro. This coro is automcatially being canceled 330Like async, but this coro is automatically being canceled when the
299when the extension calling this is being unloaded. 331extension calling this is being unloaded.
300 332
301=cut 333=cut
302 334
303sub coro(&) { 335sub async_ext(&) {
304 my $cb = shift; 336 my $cb = shift;
305 337
306 my $coro = &cf::async ($cb); 338 my $coro = &Coro::async ($cb);
307 339
308 $coro->on_destroy (sub { 340 $coro->on_destroy (sub {
309 delete $EXT_CORO{$coro+0}; 341 delete $EXT_CORO{$coro+0};
310 }); 342 });
311 $EXT_CORO{$coro+0} = $coro; 343 $EXT_CORO{$coro+0} = $coro;
336} 368}
337 369
338=back 370=back
339 371
340=cut 372=cut
341
342#############################################################################
343
344package cf::path;
345
346sub new {
347 my ($class, $path, $base) = @_;
348
349 $path = $path->as_string if ref $path;
350
351 my $self = bless { }, $class;
352
353 # {... are special paths that are not touched
354 # ?xxx/... are special absolute paths
355 # ?random/... random maps
356 # /! non-realised random map exit
357 # /... normal maps
358 # ~/... per-player maps without a specific player (DO NOT USE)
359 # ~user/... per-player map of a specific user
360
361 if ($path =~ /^{/) {
362 # fine as it is
363 } elsif ($path =~ s{^\?random/}{}) {
364 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
365 $self->{random} = cf::from_json $data;
366 } else {
367 if ($path =~ s{^~([^/]+)?}{}) {
368 $self->{user_rel} = 1;
369
370 if (defined $1) {
371 $self->{user} = $1;
372 } elsif ($base =~ m{^~([^/]+)/}) {
373 $self->{user} = $1;
374 } else {
375 warn "cannot resolve user-relative path without user <$path,$base>\n";
376 }
377 } elsif ($path =~ /^\//) {
378 # already absolute
379 } else {
380 $base =~ s{[^/]+/?$}{};
381 return $class->new ("$base/$path");
382 }
383
384 for ($path) {
385 redo if s{/\.?/}{/};
386 redo if s{/[^/]+/\.\./}{/};
387 }
388 }
389
390 $self->{path} = $path;
391
392 $self
393}
394
395# the name / primary key / in-game path
396sub as_string {
397 my ($self) = @_;
398
399 $self->{user_rel} ? "~$self->{user}$self->{path}"
400 : $self->{random} ? "?random/$self->{path}"
401 : $self->{path}
402}
403
404# the displayed name, this is a one way mapping
405sub visible_name {
406 my ($self) = @_;
407
408# if (my $rmp = $self->{random}) {
409# # todo: be more intelligent about this
410# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
411# } else {
412 $self->as_string
413# }
414}
415
416# escape the /'s in the path
417sub _escaped_path {
418 # ∕ is U+2215
419 (my $path = $_[0]{path}) =~ s/\//∕/g;
420 $path
421}
422
423# the original (read-only) location
424sub load_path {
425 my ($self) = @_;
426
427 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
428}
429
430# the temporary/swap location
431sub save_path {
432 my ($self) = @_;
433
434 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
435 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
436 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
437}
438
439# the unique path, might be eq to save_path
440sub uniq_path {
441 my ($self) = @_;
442
443 $self->{user_rel} || $self->{random}
444 ? undef
445 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
446}
447
448# return random map parameters, or undef
449sub random_map_params {
450 my ($self) = @_;
451
452 $self->{random}
453}
454
455# this is somewhat ugly, but style maps do need special treatment
456sub is_style_map {
457 $_[0]{path} =~ m{^/styles/}
458}
459
460package cf;
461 373
462############################################################################# 374#############################################################################
463 375
464=head2 ATTACHABLE OBJECTS 376=head2 ATTACHABLE OBJECTS
465 377
771# object support 683# object support
772 684
773sub reattach { 685sub reattach {
774 # basically do the same as instantiate, without calling instantiate 686 # basically do the same as instantiate, without calling instantiate
775 my ($obj) = @_; 687 my ($obj) = @_;
688
689 bless $obj, ref $obj; # re-bless in case extensions have been reloaded
776 690
777 my $registry = $obj->registry; 691 my $registry = $obj->registry;
778 692
779 @$registry = (); 693 @$registry = ();
780 694
912=cut 826=cut
913 827
914sub register_extcmd { 828sub register_extcmd {
915 my ($name, $cb) = @_; 829 my ($name, $cb) = @_;
916 830
917 my $caller = caller;
918 #warn "registering extcmd '$name' to '$caller'";
919
920 $EXTCMD{$name} = [$cb, $caller]; 831 $EXTCMD{$name} = $cb;
921} 832}
922 833
923cf::player->attach ( 834cf::player->attach (
924 on_command => sub { 835 on_command => sub {
925 my ($pl, $name, $params) = @_; 836 my ($pl, $name, $params) = @_;
938 849
939 my $msg = eval { from_json $buf }; 850 my $msg = eval { from_json $buf };
940 851
941 if (ref $msg) { 852 if (ref $msg) {
942 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 853 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
943 if (my %reply = $cb->[0]->($pl, $msg)) { 854 if (my %reply = $cb->($pl, $msg)) {
944 $pl->ext_reply ($msg->{msgid}, %reply); 855 $pl->ext_reply ($msg->{msgid}, %reply);
945 } 856 }
946 } 857 }
947 } else { 858 } else {
948 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 859 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
950 861
951 cf::override; 862 cf::override;
952 }, 863 },
953); 864);
954 865
955sub register {
956 my ($base, $pkg) = @_;
957
958 #TODO
959}
960
961sub load_extension { 866sub load_extension {
962 my ($path) = @_; 867 my ($path) = @_;
963 868
964 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 869 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
965 my $base = $1; 870 my $base = $1;
966 my $pkg = $1; 871 my $pkg = $1;
967 $pkg =~ s/[^[:word:]]/_/g; 872 $pkg =~ s/[^[:word:]]/_/g;
968 $pkg = "ext::$pkg"; 873 $pkg = "ext::$pkg";
969 874
970 warn "loading '$path' into '$pkg'\n"; 875 warn "... loading '$path' into '$pkg'\n";
971 876
972 open my $fh, "<:utf8", $path 877 open my $fh, "<:utf8", $path
973 or die "$path: $!"; 878 or die "$path: $!";
974 879
975 my $source = 880 my $source =
976 "package $pkg; use strict; use utf8;\n" 881 "package $pkg; use strict; use utf8;\n"
977 . "#line 1 \"$path\"\n{\n" 882 . "#line 1 \"$path\"\n{\n"
978 . (do { local $/; <$fh> }) 883 . (do { local $/; <$fh> })
979 . "\n};\n1"; 884 . "\n};\n1";
980 885
981 eval $source 886 unless (eval $source) {
982 or die $@ ? "$path: $@\n" 887 my $msg = $@ ? "$path: $@\n"
983 : "extension disabled.\n"; 888 : "extension disabled.\n";
984 889 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
985 push @exts, $pkg; 890 warn $@;
986 $ext_pkg{$base} = $pkg; 891 warn "mandatory extension failed to load, exiting.\n";
987 892 exit 1;
988# no strict 'refs'; 893 }
989# @{"$pkg\::ISA"} = ext::; 894 die $@;
990
991 register $base, $pkg;
992}
993
994sub unload_extension {
995 my ($pkg) = @_;
996
997 warn "removing extension $pkg\n";
998
999 # remove hooks
1000 #TODO
1001# for my $idx (0 .. $#PLUGIN_EVENT) {
1002# delete $hook[$idx]{$pkg};
1003# } 895 }
1004 896
1005 # remove commands 897 push @EXTS, $pkg;
1006 for my $name (keys %COMMAND) {
1007 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1008
1009 if (@cb) {
1010 $COMMAND{$name} = \@cb;
1011 } else {
1012 delete $COMMAND{$name};
1013 }
1014 }
1015
1016 # remove extcmds
1017 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1018 delete $EXTCMD{$name};
1019 }
1020
1021 if (my $cb = $pkg->can ("unload")) {
1022 eval {
1023 $cb->($pkg);
1024 1
1025 } or warn "$pkg unloaded, but with errors: $@";
1026 }
1027
1028 Symbol::delete_package $pkg;
1029} 898}
1030 899
1031sub load_extensions { 900sub load_extensions {
1032 for my $ext (<$LIBDIR/*.ext>) { 901 for my $ext (<$LIBDIR/*.ext>) {
1033 next unless -r $ext; 902 next unless -r $ext;
1037 } or warn "$ext not loaded: $@"; 906 } or warn "$ext not loaded: $@";
1038 } 907 }
1039} 908}
1040 909
1041############################################################################# 910#############################################################################
1042# load/save/clean perl data associated with a map
1043
1044*cf::mapsupport::on_clean = sub {
1045 my ($map) = @_;
1046
1047 my $path = $map->tmpname;
1048 defined $path or return;
1049
1050 unlink "$path.pst";
1051};
1052
1053cf::map->attach (prio => -10000, package => cf::mapsupport::);
1054
1055#############################################################################
1056# load/save perl data associated with player->ob objects
1057
1058sub all_objects(@) {
1059 @_, map all_objects ($_->inv), @_
1060}
1061
1062# TODO: compatibility cruft, remove when no longer needed
1063cf::player->attach (
1064 on_load => sub {
1065 my ($pl, $path) = @_;
1066
1067 for my $o (all_objects $pl->ob) {
1068 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1069 $o->set_ob_key_value ("_perl_data");
1070
1071 %$o = %{ Storable::thaw pack "H*", $value };
1072 }
1073 }
1074 },
1075);
1076
1077#############################################################################
1078 911
1079=head2 CORE EXTENSIONS 912=head2 CORE EXTENSIONS
1080 913
1081Functions and methods that extend core crossfire objects. 914Functions and methods that extend core crossfire objects.
1082 915
916=cut
917
918package cf::player;
919
920use Coro::AIO;
921
1083=head3 cf::player 922=head3 cf::player
1084 923
1085=over 4 924=over 4
1086 925
1087=item cf::player::exists $login 926=item cf::player::find $login
1088 927
1089Returns true when the given account exists. 928Returns the given player object, loading it if necessary (might block).
1090 929
1091=cut 930=cut
1092 931
1093sub cf::player::exists($) { 932sub playerdir($) {
1094 cf::player::find $_[0] 933 cf::localdir
1095 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 934 . "/"
935 . cf::playerdir
936 . "/"
937 . (ref $_[0] ? $_[0]->ob->name : $_[0])
938}
939
940sub path($) {
941 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
942
943 (playerdir $login) . "/$login.pl"
944}
945
946sub find_active($) {
947 $cf::PLAYER{$_[0]}
948 and $cf::PLAYER{$_[0]}->active
949 and $cf::PLAYER{$_[0]}
950}
951
952sub exists($) {
953 my ($login) = @_;
954
955 $cf::PLAYER{$login}
956 or cf::sync_job { !aio_stat $login }
957}
958
959sub find($) {
960 return $cf::PLAYER{$_[0]} || do {
961 my $login = $_[0];
962
963 my $guard = cf::lock_acquire "user_find:$login";
964
965 $cf::PLAYER{$_[0]} || do {
966 my $pl = load_pl path $login
967 or return;
968 $cf::PLAYER{$login} = $pl
969 }
970 }
971}
972
973sub save($) {
974 my ($pl) = @_;
975
976 return if $pl->{deny_save};
977
978 my $path = path $pl;
979 my $guard = cf::lock_acquire "user_save:$path";
980
981 return if $pl->{deny_save};
982
983 aio_mkdir playerdir $pl, 0770;
984 $pl->{last_save} = $cf::RUNTIME;
985
986 $pl->save_pl ($path);
987 Coro::cede;
988}
989
990sub new($) {
991 my ($login) = @_;
992
993 my $self = create;
994
995 $self->ob->name ($login);
996 $self->{deny_save} = 1;
997
998 $cf::PLAYER{$login} = $self;
999
1000 $self
1001}
1002
1003=item $pl->quit_character
1004
1005Nukes the player without looking back. If logged in, the connection will
1006be destroyed. May block for a long time.
1007
1008=cut
1009
1010sub quit_character {
1011 my ($pl) = @_;
1012
1013 $pl->{deny_save} = 1;
1014 $pl->password ("*"); # this should lock out the player until we nuked the dir
1015
1016 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1017 $pl->deactivate;
1018 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1019 $pl->ns->destroy if $pl->ns;
1020
1021 my $path = playerdir $pl;
1022 my $temp = "$path~$cf::RUNTIME~deleting~";
1023 aio_rename $path, $temp;
1024 delete $cf::PLAYER{$pl->ob->name};
1025 $pl->destroy;
1026 IO::AIO::aio_rmtree $temp;
1027}
1028
1029=item cf::player::list_logins
1030
1031Returns am arrayref of all valid playernames in the system, can take a
1032while and may block, so not sync_job-capable, ever.
1033
1034=cut
1035
1036sub list_logins {
1037 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1038 or return [];
1039
1040 my @logins;
1041
1042 for my $login (@$dirs) {
1043 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1044 aio_read $fh, 0, 512, my $buf, 0 or next;
1045 $buf !~ /^password -------------$/m or next; # official not-valid tag
1046
1047 utf8::decode $login;
1048 push @logins, $login;
1049 }
1050
1051 \@logins
1052}
1053
1054=item $player->maps
1055
1056Returns an arrayref of map paths that are private for this
1057player. May block.
1058
1059=cut
1060
1061sub maps($) {
1062 my ($pl) = @_;
1063
1064 my $files = aio_readdir playerdir $pl
1065 or return;
1066
1067 my @paths;
1068
1069 for (@$files) {
1070 utf8::decode $_;
1071 next if /\.(?:pl|pst)$/;
1072 next unless /^$PATH_SEP/o;
1073
1074 s/\.map$//;
1075 push @paths, "~" . $pl->ob->name . "/" . $_;
1076 }
1077
1078 \@paths
1096} 1079}
1097 1080
1098=item $player->ext_reply ($msgid, $msgtype, %msg) 1081=item $player->ext_reply ($msgid, $msgtype, %msg)
1099 1082
1100Sends an ext reply to the player. 1083Sends an ext reply to the player.
1101 1084
1102=cut 1085=cut
1103 1086
1104sub cf::player::ext_reply($$$%) { 1087sub ext_reply($$$%) {
1105 my ($self, $id, %msg) = @_; 1088 my ($self, $id, %msg) = @_;
1106 1089
1107 $msg{msgid} = $id; 1090 $msg{msgid} = $id;
1108 1091
1109 $self->send ("ext " . to_json \%msg); 1092 $self->send ("ext " . cf::to_json \%msg);
1110} 1093}
1094
1095package cf;
1111 1096
1112=back 1097=back
1113 1098
1114 1099
1115=head3 cf::map 1100=head3 cf::map
1121package cf::map; 1106package cf::map;
1122 1107
1123use Fcntl; 1108use Fcntl;
1124use Coro::AIO; 1109use Coro::AIO;
1125 1110
1111use overload
1112 '""' => \&as_string;
1113
1126our $MAX_RESET = 3600; 1114our $MAX_RESET = 3600;
1127our $DEFAULT_RESET = 3000; 1115our $DEFAULT_RESET = 3000;
1128 1116
1129sub generate_random_map { 1117sub generate_random_map {
1130 my ($path, $rmp) = @_; 1118 my ($self, $rmp) = @_;
1131 1119
1132 # mit "rum" bekleckern, nicht 1120 # mit "rum" bekleckern, nicht
1133 cf::map::_create_random_map 1121 $self->_create_random_map (
1134 $path,
1135 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1122 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1136 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1123 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1137 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1124 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1138 $rmp->{exit_on_final_map}, 1125 $rmp->{exit_on_final_map},
1139 $rmp->{xsize}, $rmp->{ysize}, 1126 $rmp->{xsize}, $rmp->{ysize},
1140 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1127 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1141 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1128 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1142 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1129 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1143 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1130 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1144 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1131 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1145 (cf::region::find $rmp->{region}) 1132 (cf::region::find $rmp->{region}), $rmp->{custom}
1133 )
1134}
1135
1136sub register {
1137 my (undef, $regex) = @_;
1138 my $pkg = caller;
1139
1140 no strict;
1141 push @{"$pkg\::ISA"}, __PACKAGE__;
1142
1143 $EXT_MAP{$pkg} = qr<$regex>;
1144}
1145
1146# also paths starting with '/'
1147$EXT_MAP{"cf::map"} = qr{^(?=/)};
1148
1149sub normalise {
1150 my ($path, $base) = @_;
1151
1152 # map plan:
1153 #
1154 # /! non-realised random map exit (special hack!)
1155 # {... are special paths that are not being touched
1156 # ?xxx/... are special absolute paths
1157 # ?random/... random maps
1158 # /... normal maps
1159 # ~user/... per-player map of a specific user
1160
1161 $path =~ s/$PATH_SEP/\//go;
1162
1163 # treat it as relative path if it starts with
1164 # something that looks reasonable
1165 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1166 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1167
1168 $base =~ s{[^/]+/?$}{};
1169 $path = "$base/$path";
1170 }
1171
1172 for ($path) {
1173 redo if s{//}{/};
1174 redo if s{/\.?/}{/};
1175 redo if s{/[^/]+/\.\./}{/};
1176 }
1177
1178 $path
1179}
1180
1181sub new_from_path {
1182 my (undef, $path, $base) = @_;
1183
1184 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1185
1186 $path = normalise $path, $base;
1187
1188 for my $pkg (keys %EXT_MAP) {
1189 if ($path =~ $EXT_MAP{$pkg}) {
1190 my $self = bless cf::map::new, $pkg;
1191 $self->{path} = $path; $self->path ($path);
1192 $self->init; # pass $1 etc.
1193 return $self;
1194 }
1195 }
1196
1197 Carp::carp "unable to resolve path '$path'.";
1198 ()
1199}
1200
1201sub init {
1202 my ($self) = @_;
1203
1204 $self
1205}
1206
1207sub as_string {
1208 my ($self) = @_;
1209
1210 "$self->{path}"
1211}
1212
1213# the displayed name, this is a one way mapping
1214sub visible_name {
1215 &as_string
1216}
1217
1218# the original (read-only) location
1219sub load_path {
1220 my ($self) = @_;
1221
1222 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1223}
1224
1225# the temporary/swap location
1226sub save_path {
1227 my ($self) = @_;
1228
1229 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1230 sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $path
1231}
1232
1233# the unique path, undef == no special unique path
1234sub uniq_path {
1235 my ($self) = @_;
1236
1237 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1238 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1146} 1239}
1147 1240
1148# and all this just because we cannot iterate over 1241# and all this just because we cannot iterate over
1149# all maps in C++... 1242# all maps in C++...
1150sub change_all_map_light { 1243sub change_all_map_light {
1152 1245
1153 $_->change_map_light ($change) 1246 $_->change_map_light ($change)
1154 for grep $_->outdoor, values %cf::MAP; 1247 for grep $_->outdoor, values %cf::MAP;
1155} 1248}
1156 1249
1250sub unlink_save {
1251 my ($self) = @_;
1252
1253 utf8::encode (my $save = $self->save_path);
1254 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
1255 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
1256}
1257
1157sub try_load_header($) { 1258sub load_header_from($) {
1158 my ($path) = @_; 1259 my ($self, $path) = @_;
1159 1260
1160 utf8::encode $path; 1261 utf8::encode $path;
1161 aio_open $path, O_RDONLY, 0 1262 aio_open $path, O_RDONLY, 0
1162 or return; 1263 or return;
1163 1264
1164 my $map = cf::map::new 1265 $self->_load_header ($path)
1165 or return; 1266 or return;
1166 1267
1167 # for better error messages only, will be overwritten 1268 $self->{load_path} = $path;
1168 $map->path ($path);
1169 1269
1170 $map->load_header ($path) 1270 1
1271}
1272
1273sub load_orig {
1274 my ($self) = @_;
1275
1276 $self->load_header_from ($self->load_path)
1277}
1278
1279sub load_temp {
1280 my ($self) = @_;
1281
1282 $self->load_header_from ($self->save_path)
1283}
1284
1285sub load_header {
1286 my ($self) = @_;
1287
1288 if ($self->load_temp) {
1289 $self->last_access ((delete $self->{last_access})
1290 || $cf::RUNTIME); #d#
1291 # safety
1292 $self->{instantiate_time} = $cf::RUNTIME
1293 if $self->{instantiate_time} > $cf::RUNTIME;
1294 } else {
1295 $self->load_orig
1171 or return; 1296 or return;
1172 1297
1173 $map->{load_path} = $path; 1298 $self->{load_original} = 1;
1299 $self->{instantiate_time} = $cf::RUNTIME;
1300 $self->last_access ($cf::RUNTIME);
1301 $self->instantiate;
1302 }
1174 1303
1175 $map 1304 1
1176} 1305}
1177 1306
1178sub find; 1307sub find;
1179sub find { 1308sub find {
1180 my ($path, $origin) = @_; 1309 my ($path, $origin) = @_;
1181 1310
1182 #warn "find<$path,$origin>\n";#d#
1183
1184 $path = new cf::path $path, $origin && $origin->path; 1311 $path = normalise $path, $origin && $origin->path;
1185 my $key = $path->as_string;
1186 1312
1187 cf::lock_wait "map_find:$key"; 1313 cf::lock_wait "map_find:$path";
1188 1314
1189 $cf::MAP{$key} || do { 1315 $cf::MAP{$path} || do {
1190 my $guard = cf::lock_acquire "map_find:$key"; 1316 my $guard = cf::lock_acquire "map_find:$path";
1191 1317 my $map = new_from_path cf::map $path
1192 # do it the slow way
1193 my $map = try_load_header $path->save_path;
1194
1195 Coro::cede;
1196
1197 if ($map) {
1198 $map->last_access ((delete $map->{last_access})
1199 || $cf::RUNTIME); #d#
1200 # safety
1201 $map->{instantiate_time} = $cf::RUNTIME
1202 if $map->{instantiate_time} > $cf::RUNTIME;
1203 } else {
1204 if (my $rmp = $path->random_map_params) {
1205 $map = generate_random_map $key, $rmp;
1206 } else {
1207 $map = try_load_header $path->load_path;
1208 }
1209
1210 $map or return; 1318 or return;
1211 1319
1212 $map->{load_original} = 1;
1213 $map->{instantiate_time} = $cf::RUNTIME;
1214 $map->last_access ($cf::RUNTIME);
1215 $map->instantiate;
1216
1217 # per-player maps become, after loading, normal maps
1218 $map->per_player (0) if $path->{user_rel};
1219 }
1220
1221 $map->path ($key);
1222 $map->{path} = $path;
1223 $map->{last_save} = $cf::RUNTIME; 1320 $map->{last_save} = $cf::RUNTIME;
1224 1321
1225 Coro::cede; 1322 $map->load_header
1323 or return;
1226 1324
1227 if ($map->should_reset) { 1325 if ($map->should_reset) {
1228 $map->reset; 1326 $map->reset;
1229 undef $guard; 1327 undef $guard;
1230 $map = find $path 1328 $map = find $path
1231 or return; 1329 or return;
1232 } 1330 }
1233 1331
1234 $cf::MAP{$key} = $map 1332 $cf::MAP{$path} = $map
1235 } 1333 }
1236} 1334}
1237 1335
1238sub load { 1336sub load {
1239 my ($self) = @_; 1337 my ($self) = @_;
1240 1338
1241 my $path = $self->{path}; 1339 my $path = $self->{path};
1242 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1340 my $guard = cf::lock_acquire "map_load:$path";
1243 1341
1244 return if $self->in_memory != cf::MAP_SWAPPED; 1342 return if $self->in_memory != cf::MAP_SWAPPED;
1245 1343
1246 $self->in_memory (cf::MAP_LOADING); 1344 $self->in_memory (cf::MAP_LOADING);
1247 1345
1248 $self->alloc; 1346 $self->alloc;
1249 $self->load_objects ($self->{load_path}, 1) 1347 $self->_load_objects ($self->{load_path}, 1)
1250 or return; 1348 or return;
1251 1349
1252 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1350 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1253 if delete $self->{load_original}; 1351 if delete $self->{load_original};
1254 1352
1255 if (my $uniq = $path->uniq_path) { 1353 if (my $uniq = $self->uniq_path) {
1256 utf8::encode $uniq; 1354 utf8::encode $uniq;
1257 if (aio_open $uniq, O_RDONLY, 0) { 1355 if (aio_open $uniq, O_RDONLY, 0) {
1258 $self->clear_unique_items; 1356 $self->clear_unique_items;
1259 $self->load_objects ($uniq, 0); 1357 $self->_load_objects ($uniq, 0);
1260 } 1358 }
1261 } 1359 }
1262 1360
1263 Coro::cede; 1361 Coro::cede;
1264 1362
1265 # now do the right thing for maps 1363 # now do the right thing for maps
1266 $self->link_multipart_objects; 1364 $self->link_multipart_objects;
1267 1365
1268 if ($self->{path}->is_style_map) { 1366 unless ($self->{deny_activate}) {
1269 $self->{deny_save} = 1; 1367 $self->decay_objects;
1270 $self->{deny_reset} = 1;
1271 } else {
1272 $self->fix_auto_apply; 1368 $self->fix_auto_apply;
1273 $self->decay_objects;
1274 $self->update_buttons; 1369 $self->update_buttons;
1370 Coro::cede;
1275 $self->set_darkness_map; 1371 $self->set_darkness_map;
1276 $self->difficulty ($self->estimate_difficulty) 1372 $self->difficulty ($self->estimate_difficulty)
1277 unless $self->difficulty; 1373 unless $self->difficulty;
1374 Coro::cede;
1278 $self->activate; 1375 $self->activate;
1279 } 1376 }
1280 1377
1281 Coro::cede;
1282
1283 $self->in_memory (cf::MAP_IN_MEMORY); 1378 $self->in_memory (cf::MAP_IN_MEMORY);
1379}
1380
1381sub customise_for {
1382 my ($self, $ob) = @_;
1383
1384 return find "~" . $ob->name . "/" . $self->{path}
1385 if $self->per_player;
1386
1387 $self
1388}
1389
1390# find and load all maps in the 3x3 area around a map
1391sub load_diag {
1392 my ($map) = @_;
1393
1394 my @diag; # diagonal neighbours
1395
1396 for (0 .. 3) {
1397 my $neigh = $map->tile_path ($_)
1398 or next;
1399 $neigh = find $neigh, $map
1400 or next;
1401 $neigh->load;
1402
1403 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1404 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1405 }
1406
1407 for (@diag) {
1408 my $neigh = find @$_
1409 or next;
1410 $neigh->load;
1411 }
1284} 1412}
1285 1413
1286sub find_sync { 1414sub find_sync {
1287 my ($path, $origin) = @_; 1415 my ($path, $origin) = @_;
1288 1416
1289 cf::sync_job { cf::map::find $path, $origin } 1417 cf::sync_job { find $path, $origin }
1290} 1418}
1291 1419
1292sub do_load_sync { 1420sub do_load_sync {
1293 my ($map) = @_; 1421 my ($map) = @_;
1294 1422
1295 cf::sync_job { $map->load }; 1423 cf::sync_job { $map->load };
1296} 1424}
1297 1425
1426our %MAP_PREFETCH;
1427our $MAP_PREFETCHER = Coro::async {
1428 while () {
1429 for my $path (keys %MAP_PREFETCH) {
1430 my $map = find $path
1431 or next;
1432 $map->load;
1433
1434 delete $MAP_PREFETCH{$path};
1435 }
1436 Coro::schedule;
1437 }
1438};
1439
1440sub find_async {
1441 my ($path, $origin) = @_;
1442
1443 $path = normalise $path, $origin && $origin->{path};
1444
1445 if (my $map = $cf::MAP{$path}) {
1446 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1447 }
1448
1449 $MAP_PREFETCH{$path} = 0;
1450 $MAP_PREFETCHER->ready;
1451
1452 ()
1453}
1454
1298sub save { 1455sub save {
1299 my ($self) = @_; 1456 my ($self) = @_;
1300 1457
1458 my $lock = cf::lock_acquire "map_data:" . $self->path;
1459
1301 $self->{last_save} = $cf::RUNTIME; 1460 $self->{last_save} = $cf::RUNTIME;
1302 1461
1303 return unless $self->dirty; 1462 return unless $self->dirty;
1304 1463
1305 my $save = $self->{path}->save_path; utf8::encode $save; 1464 my $save = $self->save_path; utf8::encode $save;
1306 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1465 my $uniq = $self->uniq_path; utf8::encode $uniq;
1307 1466
1308 $self->{load_path} = $save; 1467 $self->{load_path} = $save;
1309 1468
1310 return if $self->{deny_save}; 1469 return if $self->{deny_save};
1311 1470
1312 local $self->{last_access} = $self->last_access;#d# 1471 local $self->{last_access} = $self->last_access;#d#
1313 1472
1473 cf::async {
1474 $_->contr->save for $self->players;
1475 };
1476
1314 if ($uniq) { 1477 if ($uniq) {
1315 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1478 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1316 $self->save_objects ($uniq, cf::IO_UNIQUES); 1479 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1317 } else { 1480 } else {
1318 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1481 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1319 } 1482 }
1320} 1483}
1321 1484
1322sub swap_out { 1485sub swap_out {
1323 my ($self) = @_; 1486 my ($self) = @_;
1324 1487
1325 # save first because save cedes 1488 # save first because save cedes
1326 $self->save; 1489 $self->save;
1490
1491 my $lock = cf::lock_acquire "map_data:" . $self->path;
1327 1492
1328 return if $self->players; 1493 return if $self->players;
1329 return if $self->in_memory != cf::MAP_IN_MEMORY; 1494 return if $self->in_memory != cf::MAP_IN_MEMORY;
1330 return if $self->{deny_save}; 1495 return if $self->{deny_save};
1331 1496
1335 1500
1336sub reset_at { 1501sub reset_at {
1337 my ($self) = @_; 1502 my ($self) = @_;
1338 1503
1339 # TODO: safety, remove and allow resettable per-player maps 1504 # TODO: safety, remove and allow resettable per-player maps
1340 return 1e99 if $self->{path}{user_rel}; 1505 return 1e99 if $self->isa ("ext::map_per_player");#d#
1341 return 1e99 if $self->{deny_reset}; 1506 return 1e99 if $self->{deny_reset};
1342 1507
1343 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1508 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1344 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1509 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1345 1510
1350 my ($self) = @_; 1515 my ($self) = @_;
1351 1516
1352 $self->reset_at <= $cf::RUNTIME 1517 $self->reset_at <= $cf::RUNTIME
1353} 1518}
1354 1519
1355sub unlink_save {
1356 my ($self) = @_;
1357
1358 utf8::encode (my $save = $self->{path}->save_path);
1359 aioreq_pri 3; IO::AIO::aio_unlink $save;
1360 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361}
1362
1363sub rename { 1520sub rename {
1364 my ($self, $new_path) = @_; 1521 my ($self, $new_path) = @_;
1365 1522
1523 normalise $new_path;
1524
1366 $self->unlink_save; 1525 $self->unlink_save;
1367 1526
1368 delete $cf::MAP{$self->path}; 1527 delete $cf::MAP{$self->path};
1369 $self->{path} = new cf::path $new_path; 1528 $self->{path} = $new_path; $self->path ($self->{path});
1370 $self->path ($self->{path}->as_string);
1371 $cf::MAP{$self->path} = $self; 1529 $cf::MAP{$self->path} = $self;
1372 1530
1373 $self->save; 1531 $self->save;
1374} 1532}
1375 1533
1376sub reset { 1534sub reset {
1377 my ($self) = @_; 1535 my ($self) = @_;
1378 1536
1537 my $lock = cf::lock_acquire "map_data:$self->{path}";
1538
1379 return if $self->players; 1539 return if $self->players;
1380 return if $self->{path}{user_rel};#d# 1540 return if $self->isa ("ext::map_per_player");#d#
1381 1541
1382 warn "resetting map ", $self->path;#d# 1542 warn "resetting map ", $self->path;#d#
1383 1543
1384 delete $cf::MAP{$self->path}; 1544 delete $cf::MAP{$self->path};
1545
1546 $self->in_memory (cf::MAP_SWAPPED);
1547 $self->clear;
1385 1548
1386 $_->clear_links_to ($self) for values %cf::MAP; 1549 $_->clear_links_to ($self) for values %cf::MAP;
1387 1550
1388 $self->unlink_save; 1551 $self->unlink_save;
1389 $self->destroy; 1552 $self->destroy;
1398 $self->reset_timeout (1); 1561 $self->reset_timeout (1);
1399 $self->rename ("{nuke}/" . ($nuke_counter++)); 1562 $self->rename ("{nuke}/" . ($nuke_counter++));
1400 $self->reset; # polite request, might not happen 1563 $self->reset; # polite request, might not happen
1401} 1564}
1402 1565
1403sub customise_for { 1566=item cf::map::unique_maps
1404 my ($map, $ob) = @_;
1405 1567
1406 if ($map->per_player) { 1568Returns an arrayref of paths of all shared maps that have
1407 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path}; 1569instantiated unique items. May block.
1408 }
1409 1570
1410 $map 1571=cut
1411}
1412 1572
1413sub emergency_save { 1573sub unique_maps() {
1414 my $freeze_guard = cf::freeze_mainloop; 1574 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1575 or return;
1415 1576
1416 warn "enter emergency map save\n"; 1577 my @paths;
1417 1578
1418 cf::sync_job { 1579 for (@$files) {
1419 warn "begin emergency map save\n"; 1580 utf8::decode $_;
1420 $_->save for values %cf::MAP; 1581 next if /\.pst$/;
1582 next unless /^$PATH_SEP/o;
1583
1584 s/\.map$//;
1585 push @paths, $_;
1421 }; 1586 }
1422 1587
1423 warn "end emergency map save\n"; 1588 \@paths
1424} 1589}
1425 1590
1426package cf; 1591package cf;
1427 1592
1428=back 1593=back
1429 1594
1595=head3 cf::object
1596
1597=cut
1598
1599package cf::object;
1600
1601=over 4
1602
1603=item $ob->inv_recursive
1604
1605Returns the inventory of the object _and_ their inventories, recursively.
1606
1607=cut
1608
1609sub inv_recursive_;
1610sub inv_recursive_ {
1611 map { $_, inv_recursive_ $_->inv } @_
1612}
1613
1614sub inv_recursive {
1615 inv_recursive_ inv $_[0]
1616}
1617
1618package cf;
1619
1620=back
1430 1621
1431=head3 cf::object::player 1622=head3 cf::object::player
1432 1623
1433=over 4 1624=over 4
1434 1625
1474 1665
1475=item $player_object->enter_link 1666=item $player_object->enter_link
1476 1667
1477Freezes the player and moves him/her to a special map (C<{link}>). 1668Freezes the player and moves him/her to a special map (C<{link}>).
1478 1669
1479The player should be reaosnably safe there for short amounts of time. You 1670The player should be reasonably safe there for short amounts of time. You
1480I<MUST> call C<leave_link> as soon as possible, though. 1671I<MUST> call C<leave_link> as soon as possible, though.
1481 1672
1673Will never block.
1674
1482=item $player_object->leave_link ($map, $x, $y) 1675=item $player_object->leave_link ($map, $x, $y)
1483 1676
1484Moves the player out of the specila link map onto the given map. If the 1677Moves the player out of the special C<{link}> map onto the specified
1485map is not valid (or omitted), the player will be moved back to the 1678map. If the map is not valid (or omitted), the player will be moved back
1486location he/she was before the call to C<enter_link>, or, if that fails, 1679to the location he/she was before the call to C<enter_link>, or, if that
1487to the emergency map position. 1680fails, to the emergency map position.
1488 1681
1489Might block. 1682Might block.
1490 1683
1491=cut 1684=cut
1685
1686sub link_map {
1687 unless ($LINK_MAP) {
1688 $LINK_MAP = cf::map::find "{link}"
1689 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1690 $LINK_MAP->load;
1691 }
1692
1693 $LINK_MAP
1694}
1492 1695
1493sub cf::object::player::enter_link { 1696sub cf::object::player::enter_link {
1494 my ($self) = @_; 1697 my ($self) = @_;
1495 1698
1496 $self->deactivate_recursive; 1699 $self->deactivate_recursive;
1497 1700
1498 return if $self->map == $LINK_MAP; 1701 return if UNIVERSAL::isa $self->map, "ext::map_link";
1499 1702
1500 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1703 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1501 if $self->map; 1704 if $self->map;
1502 1705
1503 $self->enter_map ($LINK_MAP, 20, 20); 1706 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1504} 1707}
1505 1708
1506sub cf::object::player::leave_link { 1709sub cf::object::player::leave_link {
1507 my ($self, $map, $x, $y) = @_; 1710 my ($self, $map, $x, $y) = @_;
1508 1711
1526 # use -1 or undef as default coordinates, not 0, 0 1729 # use -1 or undef as default coordinates, not 0, 0
1527 ($x, $y) = ($map->enter_x, $map->enter_y) 1730 ($x, $y) = ($map->enter_x, $map->enter_y)
1528 if $x <=0 && $y <= 0; 1731 if $x <=0 && $y <= 0;
1529 1732
1530 $map->load; 1733 $map->load;
1734 $map->load_diag;
1531 1735
1736 return unless $self->contr->active;
1532 $self->activate_recursive; 1737 $self->activate_recursive;
1533 $self->enter_map ($map, $x, $y); 1738 $self->enter_map ($map, $x, $y);
1534} 1739}
1535 1740
1536cf::player->attach ( 1741cf::player->attach (
1549 1754
1550 # try to abort aborted map switching on player login :) 1755 # try to abort aborted map switching on player login :)
1551 # should happen only on crashes 1756 # should happen only on crashes
1552 if ($pl->ob->{_link_pos}) { 1757 if ($pl->ob->{_link_pos}) {
1553 $pl->ob->enter_link; 1758 $pl->ob->enter_link;
1554 cf::async { 1759 (async {
1555 # we need this sleep as the login has a concurrent enter_exit running 1760 # we need this sleep as the login has a concurrent enter_exit running
1556 # and this sleep increases chances of the player not ending up in scorn 1761 # and this sleep increases chances of the player not ending up in scorn
1762 $pl->ob->reply (undef,
1763 "There was an internal problem at your last logout, "
1764 . "the server will try to bring you to your intended destination in a second.",
1765 cf::NDI_RED);
1557 Coro::Timer::sleep 1; 1766 Coro::Timer::sleep 1;
1558 $pl->ob->leave_link; 1767 $pl->ob->leave_link;
1559 }; 1768 })->prio (2);
1560 } 1769 }
1561 }, 1770 },
1562); 1771);
1563 1772
1564=item $player_object->goto ($path, $x, $y) 1773=item $player_object->goto ($path, $x, $y)
1568sub cf::object::player::goto { 1777sub cf::object::player::goto {
1569 my ($self, $path, $x, $y) = @_; 1778 my ($self, $path, $x, $y) = @_;
1570 1779
1571 $self->enter_link; 1780 $self->enter_link;
1572 1781
1573 (cf::async { 1782 (async {
1574 $path = new cf::path $path;
1575
1576 my $map = cf::map::find $path->as_string; 1783 my $map = cf::map::find $path;
1577 $map = $map->customise_for ($self) if $map; 1784 $map = $map->customise_for ($self) if $map;
1578 1785
1579# warn "entering ", $map->path, " at ($x, $y)\n" 1786# warn "entering ", $map->path, " at ($x, $y)\n"
1580# if $map; 1787# if $map;
1581 1788
1582 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1789 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583 1790
1584 $self->leave_link ($map, $x, $y); 1791 $self->leave_link ($map, $x, $y);
1585 })->prio (1); 1792 })->prio (1);
1586} 1793}
1587 1794
1640 1847
1641 return unless $self->type == cf::PLAYER; 1848 return unless $self->type == cf::PLAYER;
1642 1849
1643 $self->enter_link; 1850 $self->enter_link;
1644 1851
1645 (cf::async { 1852 (async {
1646 $self->deactivate_recursive; # just to be sure 1853 $self->deactivate_recursive; # just to be sure
1647 unless (eval { 1854 unless (eval {
1648 prepare_random_map $exit 1855 prepare_random_map $exit
1649 if $exit->slaying eq "/!"; 1856 if $exit->slaying eq "/!";
1650 1857
1651 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1858 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1652 $self->goto ($path, $exit->stats->hp, $exit->stats->sp); 1859 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653 1860
1654 1; 1861 1;
1655 }) { 1862 }) {
1656 $self->message ("Something went wrong deep within the crossfire server. " 1863 $self->message ("Something went wrong deep within the crossfire server. "
1657 . "I'll try to bring you back to the map you were before. " 1864 . "I'll try to bring you back to the map you were before. "
1658 . "Please report this to the dungeon master", 1865 . "Please report this to the dungeon master!",
1659 cf::NDI_UNIQUE | cf::NDI_RED); 1866 cf::NDI_UNIQUE | cf::NDI_RED);
1660 1867
1661 warn "ERROR in enter_exit: $@"; 1868 warn "ERROR in enter_exit: $@";
1662 $self->leave_link; 1869 $self->leave_link;
1663 } 1870 }
1731 } 1938 }
1732 } 1939 }
1733 }, 1940 },
1734); 1941);
1735 1942
1736=item $client->coro (\&cb) 1943=item $client->async (\&cb)
1737 1944
1738Create a new coroutine, running the specified callback. The coroutine will 1945Create a new coroutine, running the specified callback. The coroutine will
1739be automatically cancelled when the client gets destroyed (e.g. on logout, 1946be automatically cancelled when the client gets destroyed (e.g. on logout,
1740or loss of connection). 1947or loss of connection).
1741 1948
1742=cut 1949=cut
1743 1950
1744sub cf::client::coro { 1951sub cf::client::async {
1745 my ($self, $cb) = @_; 1952 my ($self, $cb) = @_;
1746 1953
1747 my $coro = &cf::async ($cb); 1954 my $coro = &Coro::async ($cb);
1748 1955
1749 $coro->on_destroy (sub { 1956 $coro->on_destroy (sub {
1750 delete $self->{_coro}{$coro+0}; 1957 delete $self->{_coro}{$coro+0};
1751 }); 1958 });
1752 1959
1990 local $/; 2197 local $/;
1991 *CFG = YAML::Syck::Load <$fh>; 2198 *CFG = YAML::Syck::Load <$fh>;
1992 2199
1993 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2200 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994 2201
2202 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2203 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2204
1995 if (exists $CFG{mlockall}) { 2205 if (exists $CFG{mlockall}) {
1996 eval { 2206 eval {
1997 $CFG{mlockall} ? &mlockall : &munlockall 2207 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998 and die "WARNING: m(un)lockall failed: $!\n"; 2208 and die "WARNING: m(un)lockall failed: $!\n";
1999 }; 2209 };
2000 warn $@ if $@; 2210 warn $@ if $@;
2001 } 2211 }
2002} 2212}
2003 2213
2004sub main { 2214sub main {
2005 # we must not ever block the main coroutine 2215 # we must not ever block the main coroutine
2006 local $Coro::idle = sub { 2216 local $Coro::idle = sub {
2007 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2217 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008 (Coro::unblock_sub {
2009 Event::one_event; 2218 async { Event::one_event };
2010 })->();
2011 }; 2219 };
2012 2220
2013 cfg_load; 2221 cfg_load;
2014 db_load; 2222 db_load;
2015 load_extensions; 2223 load_extensions;
2016 Event::loop; 2224 Event::loop;
2017} 2225}
2018 2226
2019############################################################################# 2227#############################################################################
2020# initialisation 2228# initialisation and cleanup
2229
2230# install some emergency cleanup handlers
2231BEGIN {
2232 for my $signal (qw(INT HUP TERM)) {
2233 Event->signal (
2234 data => WF_AUTOCANCEL,
2235 signal => $signal,
2236 cb => sub {
2237 cf::cleanup "SIG$signal";
2238 },
2239 );
2240 }
2241}
2242
2243sub emergency_save() {
2244 my $freeze_guard = cf::freeze_mainloop;
2245
2246 warn "enter emergency perl save\n";
2247
2248 cf::sync_job {
2249 # use a peculiar iteration method to avoid tripping on perl
2250 # refcount bugs in for. also avoids problems with players
2251 # and maps saved/destroyed asynchronously.
2252 warn "begin emergency player save\n";
2253 for my $login (keys %cf::PLAYER) {
2254 my $pl = $cf::PLAYER{$login} or next;
2255 $pl->valid or next;
2256 $pl->save;
2257 }
2258 warn "end emergency player save\n";
2259
2260 warn "begin emergency map save\n";
2261 for my $path (keys %cf::MAP) {
2262 my $map = $cf::MAP{$path} or next;
2263 $map->valid or next;
2264 $map->save;
2265 }
2266 warn "end emergency map save\n";
2267 };
2268
2269 warn "leave emergency perl save\n";
2270}
2021 2271
2022sub reload() { 2272sub reload() {
2023 # can/must only be called in main 2273 # can/must only be called in main
2024 if ($Coro::current != $Coro::main) { 2274 if ($Coro::current != $Coro::main) {
2025 warn "can only reload from main coroutine\n"; 2275 warn "can only reload from main coroutine\n";
2026 return; 2276 return;
2027 } 2277 }
2028 2278
2029 warn "reloading..."; 2279 warn "reloading...";
2030 2280
2281 warn "freezing server";
2031 my $guard = freeze_mainloop; 2282 my $guard = freeze_mainloop;
2032 cf::emergency_save; 2283 cf::emergency_save;
2033 2284
2285 warn "sync database to disk";
2286 cf::db_sync;
2287 IO::AIO::flush;
2288
2034 eval { 2289 eval {
2035 # if anything goes wrong in here, we should simply crash as we already saved 2290 # if anything goes wrong in here, we should simply crash as we already saved
2036 2291
2037 # cancel all watchers 2292 warn "cancel all watchers";
2038 for (Event::all_watchers) { 2293 for (Event::all_watchers) {
2039 $_->cancel if $_->data & WF_AUTOCANCEL; 2294 $_->cancel if $_->data & WF_AUTOCANCEL;
2040 } 2295 }
2041 2296
2042 # cancel all extension coros 2297 warn "cancel all extension coros";
2043 $_->cancel for values %EXT_CORO; 2298 $_->cancel for values %EXT_CORO;
2044 %EXT_CORO = (); 2299 %EXT_CORO = ();
2045 2300
2301 warn "remove commands";
2302 %COMMAND = ();
2303
2304 warn "remove ext commands";
2305 %EXTCMD = ();
2306
2046 # unload all extensions 2307 warn "unload/nuke all extensions";
2047 for (@exts) { 2308 for my $pkg (@EXTS) {
2048 warn "unloading <$_>"; 2309 warn "... unloading $pkg";
2049 unload_extension $_; 2310
2311 if (my $cb = $pkg->can ("unload")) {
2312 eval {
2313 $cb->($pkg);
2314 1
2315 } or warn "$pkg unloaded, but with errors: $@";
2050 } 2316 }
2051 2317
2318 warn "... nuking $pkg";
2319 Symbol::delete_package $pkg;
2320 }
2321
2052 # unload all modules loaded from $LIBDIR 2322 warn "unload all perl modules loaded from $LIBDIR";
2053 while (my ($k, $v) = each %INC) { 2323 while (my ($k, $v) = each %INC) {
2054 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2324 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055 2325
2056 warn "removing <$k>"; 2326 warn "removing <$k>";
2057 delete $INC{$k}; 2327 delete $INC{$k};
2064 } 2334 }
2065 2335
2066 Symbol::delete_package $k; 2336 Symbol::delete_package $k;
2067 } 2337 }
2068 2338
2069 # sync database to disk
2070 cf::db_sync;
2071 IO::AIO::flush;
2072
2073 # get rid of safe::, as good as possible 2339 warn "get rid of safe::, as good as possible";
2074 Symbol::delete_package "safe::$_" 2340 Symbol::delete_package "safe::$_"
2075 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2341 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076 2342
2077 # remove register_script_function callbacks
2078 # TODO
2079
2080 # unload cf.pm "a bit" 2343 warn "unload cf.pm \"a bit\"";
2081 delete $INC{"cf.pm"}; 2344 delete $INC{"cf.pm"};
2082 2345
2083 # don't, removes xs symbols, too, 2346 # don't, removes xs symbols, too,
2084 # and global variables created in xs 2347 # and global variables created in xs
2085 #Symbol::delete_package __PACKAGE__; 2348 #Symbol::delete_package __PACKAGE__;
2086 2349
2087 # reload cf.pm
2088 warn "reloading cf.pm"; 2350 warn "reloading cf.pm";
2089 require cf; 2351 require cf;
2090 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2352 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091 2353
2092 # load config and database again 2354 warn "load config and database again";
2093 cf::cfg_load; 2355 cf::cfg_load;
2094 cf::db_load; 2356 cf::db_load;
2095 2357
2096 # load extensions
2097 warn "load extensions"; 2358 warn "load extensions";
2098 cf::load_extensions; 2359 cf::load_extensions;
2099 2360
2100 # reattach attachments to objects 2361 warn "reattach attachments to objects/players";
2101 warn "reattach";
2102 _global_reattach; 2362 _global_reattach;
2363 warn "reattach attachments to maps";
2364 reattach $_ for values %MAP;
2103 }; 2365 };
2104 2366
2105 if ($@) { 2367 if ($@) {
2106 warn $@; 2368 warn $@;
2107 warn "error while reloading, exiting."; 2369 warn "error while reloading, exiting.";
2108 exit 1; 2370 exit 1;
2109 } 2371 }
2110 2372
2111 warn "reloaded successfully"; 2373 warn "reloaded";
2112}; 2374};
2113
2114#############################################################################
2115
2116unless ($LINK_MAP) {
2117 $LINK_MAP = cf::map::new;
2118
2119 $LINK_MAP->width (41);
2120 $LINK_MAP->height (41);
2121 $LINK_MAP->alloc;
2122 $LINK_MAP->path ("{link}");
2123 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2125
2126 # dirty hack because... archetypes are not yet loaded
2127 Event->timer (
2128 after => 2,
2129 cb => sub {
2130 $_[0]->w->cancel;
2131
2132 # provide some exits "home"
2133 my $exit = cf::object::new "exit";
2134
2135 $exit->slaying ($EMERGENCY_POSITION->[0]);
2136 $exit->stats->hp ($EMERGENCY_POSITION->[1]);
2137 $exit->stats->sp ($EMERGENCY_POSITION->[2]);
2138
2139 $LINK_MAP->insert ($exit->clone, 19, 19);
2140 $LINK_MAP->insert ($exit->clone, 19, 20);
2141 $LINK_MAP->insert ($exit->clone, 19, 21);
2142 $LINK_MAP->insert ($exit->clone, 20, 19);
2143 $LINK_MAP->insert ($exit->clone, 20, 21);
2144 $LINK_MAP->insert ($exit->clone, 21, 19);
2145 $LINK_MAP->insert ($exit->clone, 21, 20);
2146 $LINK_MAP->insert ($exit->clone, 21, 21);
2147
2148 $exit->destroy;
2149 });
2150
2151 $LINK_MAP->{deny_save} = 1;
2152 $LINK_MAP->{deny_reset} = 1;
2153
2154 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155}
2156
2157register "<global>", __PACKAGE__;
2158 2375
2159register_command "reload" => sub { 2376register_command "reload" => sub {
2160 my ($who, $arg) = @_; 2377 my ($who, $arg) = @_;
2161 2378
2162 if ($who->flag (FLAG_WIZ)) { 2379 if ($who->flag (FLAG_WIZ)) {
2172 reentrant => 0, 2389 reentrant => 0,
2173 prio => 0, 2390 prio => 0,
2174 at => $NEXT_TICK || $TICK, 2391 at => $NEXT_TICK || $TICK,
2175 data => WF_AUTOCANCEL, 2392 data => WF_AUTOCANCEL,
2176 cb => sub { 2393 cb => sub {
2394 $NOW = Event::time;
2395
2177 cf::server_tick; # one server iteration 2396 cf::server_tick; # one server iteration
2178 $RUNTIME += $TICK; 2397 $RUNTIME += $TICK;
2179 $NEXT_TICK += $TICK; 2398 $NEXT_TICK += $TICK;
2399
2400 $WAIT_FOR_TICK->broadcast;
2401 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2180 2402
2181 # if we are delayed by four ticks or more, skip them all 2403 # if we are delayed by four ticks or more, skip them all
2182 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2404 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2183 2405
2184 $TICK_WATCHER->at ($NEXT_TICK); 2406 $TICK_WATCHER->at ($NEXT_TICK);
2186 }, 2408 },
2187); 2409);
2188 2410
2189IO::AIO::max_poll_time $TICK * 0.2; 2411IO::AIO::max_poll_time $TICK * 0.2;
2190 2412
2191Event->io ( 2413$AIO_POLL_WATCHER = Event->io (
2192 fd => IO::AIO::poll_fileno, 2414 fd => IO::AIO::poll_fileno,
2193 poll => 'r', 2415 poll => 'r',
2194 prio => 5, 2416 prio => 5,
2195 data => WF_AUTOCANCEL, 2417 data => WF_AUTOCANCEL,
2196 cb => \&IO::AIO::poll_cb, 2418 cb => \&IO::AIO::poll_cb,
2197); 2419);
2198 2420
2199Event->timer ( 2421$WRITE_RUNTIME_WATCHER = Event->timer (
2200 data => WF_AUTOCANCEL, 2422 data => WF_AUTOCANCEL,
2201 after => 0, 2423 after => 0,
2202 interval => 10, 2424 interval => 10,
2203 cb => sub { 2425 cb => sub {
2204 (Coro::unblock_sub { 2426 (Coro::unblock_sub {

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