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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.166 by root, Sat Jan 13 23:06:13 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;
47our %CFG; 52our %CFG;
48 53
49our $UPTIME; $UPTIME ||= time; 54our $UPTIME; $UPTIME ||= time;
50our $RUNTIME; 55our $RUNTIME;
51 56
57our %PLAYER; # all users
52our %MAP; # all maps 58our %MAP; # all maps
53our $LINK_MAP; # the special {link} map 59our $LINK_MAP; # the special {link} map, which is always available
54our $FREEZE;
55our $RANDOM_MAPS = cf::localdir . "/random"; 60our $RANDOM_MAPS = cf::localdir . "/random";
56our %EXT_CORO; 61
62our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64
65# used to convert map paths into valid unix filenames by replacing / by ∕
66our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57 67
58binmode STDOUT; 68binmode STDOUT;
59binmode STDERR; 69binmode STDERR;
60 70
61# read virtual server time, if available 71# read virtual server time, if available
69mkdir cf::localdir . "/" . cf::playerdir; 79mkdir cf::localdir . "/" . cf::playerdir;
70mkdir cf::localdir . "/" . cf::tmpdir; 80mkdir cf::localdir . "/" . cf::tmpdir;
71mkdir cf::localdir . "/" . cf::uniquedir; 81mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 82mkdir $RANDOM_MAPS;
73 83
74# a special map that is always available
75our $LINK_MAP;
76our $EMERGENCY_POSITION; 84our $EMERGENCY_POSITION;
77 85
78############################################################################# 86#############################################################################
79 87
80=head2 GLOBAL VARIABLES 88=head2 GLOBAL VARIABLES
105 113
106=item %cf::CFG 114=item %cf::CFG
107 115
108Configuration for the server, loaded from C</etc/crossfire/config>, or 116Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 117from wherever your confdir points to.
118
119=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
120
121These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
122or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
123processing has been done. Call C<< ->wait >> on them to maximise the
124window of cpu time available, or simply to synchronise to the server tick.
110 125
111=back 126=back
112 127
113=cut 128=cut
114 129
118 utf8::encode $msg; 133 utf8::encode $msg;
119 134
120 $msg .= "\n" 135 $msg .= "\n"
121 unless $msg =~ /\n$/; 136 unless $msg =~ /\n$/;
122 137
123 LOG llevError, "cfperl: $msg"; 138 LOG llevError, $msg;
124 }; 139 };
125} 140}
126 141
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 142@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 143@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146 161
147$Event::DIED = sub { 162$Event::DIED = sub {
148 warn "error in event callback: @_"; 163 warn "error in event callback: @_";
149}; 164};
150 165
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 166=head2 UTILITY FUNCTIONS
156 167
157=over 4 168=over 4
158 169
170=item dumpval $ref
171
159=cut 172=cut
173
174sub dumpval {
175 eval {
176 local $SIG{__DIE__};
177 my $d;
178 if (1) {
179 $d = new Data::Dumper([$_[0]], ["*var"]);
180 $d->Terse(1);
181 $d->Indent(2);
182 $d->Quotekeys(0);
183 $d->Useqq(1);
184 #$d->Bless(...);
185 $d->Seen($_[1]) if @_ > 1;
186 $d = $d->Dump();
187 }
188 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189 $d
190 } || "[unable to dump $_[0]: '$@']";
191}
160 192
161use JSON::Syck (); # TODO# replace by JSON::PC once working 193use JSON::Syck (); # TODO# replace by JSON::PC once working
162 194
163=item $ref = cf::from_json $json 195=item $ref = cf::from_json $json
164 196
180sub to_json($) { 212sub to_json($) {
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 213 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182 JSON::Syck::Dump $_[0] 214 JSON::Syck::Dump $_[0]
183} 215}
184 216
185=item my $guard = cf::guard { BLOCK }
186
187Run the given callback when the guard object gets destroyed (useful for
188coroutine cancellations).
189
190You can call C<< ->cancel >> on the guard object to stop the block from
191being executed.
192
193=cut
194
195sub guard(&) {
196 bless \(my $cb = $_[0]), cf::guard::;
197}
198
199sub cf::guard::cancel {
200 ${$_[0]} = sub { };
201}
202
203sub cf::guard::DESTROY {
204 ${$_[0]}->();
205}
206
207=item cf::lock_wait $string 217=item cf::lock_wait $string
208 218
209Wait until the given lock is available. See cf::lock_acquire. 219Wait until the given lock is available. See cf::lock_acquire.
210 220
211=item my $lock = cf::lock_acquire $string 221=item my $lock = cf::lock_acquire $string
212 222
213Wait until the given lock is available and then acquires it and returns 223Wait until the given lock is available and then acquires it and returns
214a guard object. If the guard object gets destroyed (goes out of scope, 224a Coro::guard object. If the guard object gets destroyed (goes out of scope,
215for example when the coroutine gets canceled), the lock is automatically 225for example when the coroutine gets canceled), the lock is automatically
216returned. 226returned.
217 227
218Lock names should begin with a unique identifier (for example, find_map 228Lock names should begin with a unique identifier (for example, cf::map::find
219uses map_find and load_map uses map_load). 229uses map_find and cf::map::load uses map_load).
220 230
221=cut 231=cut
222 232
223our %LOCK; 233our %LOCK;
224 234
238 # wait, to be sure we are not locked 248 # wait, to be sure we are not locked
239 lock_wait $key; 249 lock_wait $key;
240 250
241 $LOCK{$key} = []; 251 $LOCK{$key} = [];
242 252
243 cf::guard { 253 Coro::guard {
244 # wake up all waiters, to be on the safe side 254 # wake up all waiters, to be on the safe side
245 $_->ready for @{ delete $LOCK{$key} }; 255 $_->ready for @{ delete $LOCK{$key} };
246 } 256 }
247} 257}
248 258
259sub freeze_mainloop {
260 return unless $TICK_WATCHER->is_active;
261
262 my $guard = Coro::guard { $TICK_WATCHER->start };
263 $TICK_WATCHER->stop;
264 $guard
265}
266
249=item cf::async { BLOCK } 267=item cf::async { BLOCK }
250 268
251Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the 269Currently the same as Coro::async_pool, meaning you cannot use
252error instead of exiting the server in case of a problem. 270C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
271thing you are allowed to do is call C<prio> on it.
253 272
254=cut 273=cut
255 274
256sub async(&) { 275BEGIN { *async = \&Coro::async_pool }
257 my ($cb) = @_;
258
259 Coro::async {
260 eval { $cb->() };
261 warn $@ if $@;
262 }
263}
264 276
265=item cf::sync_job { BLOCK } 277=item cf::sync_job { BLOCK }
266 278
267The design of crossfire+ requires that the main coro ($Coro::main) is 279The design of crossfire+ requires that the main coro ($Coro::main) is
268always able to handle events or runnable, as crossfire+ is only partly 280always able to handle events or runnable, as crossfire+ is only partly
282 # this is the main coro, too bad, we have to block 294 # this is the main coro, too bad, we have to block
283 # till the operation succeeds, freezing the server :/ 295 # till the operation succeeds, freezing the server :/
284 296
285 # TODO: use suspend/resume instead 297 # TODO: use suspend/resume instead
286 # (but this is cancel-safe) 298 # (but this is cancel-safe)
287 local $FREEZE = 1; 299 my $freeze_guard = freeze_mainloop;
288 300
289 my $busy = 1; 301 my $busy = 1;
290 my @res; 302 my @res;
291 303
292 (Coro::async { 304 (async {
293 @res = eval { $job->() }; 305 @res = eval { $job->() };
294 warn $@ if $@; 306 warn $@ if $@;
295 undef $busy; 307 undef $busy;
296 })->prio (Coro::PRIO_MAX); 308 })->prio (Coro::PRIO_MAX);
297 309
298 while ($busy) { 310 while ($busy) {
299 Coro::cede_notself; 311 Coro::cede or Event::one_event;
300 Event::one_event unless Coro::nready;
301 } 312 }
302 313
303 wantarray ? @res : $res[0] 314 wantarray ? @res : $res[0]
304 } else { 315 } else {
305 # we are in another coroutine, how wonderful, everything just works 316 # we are in another coroutine, how wonderful, everything just works
306 317
307 $job->() 318 $job->()
308 } 319 }
309} 320}
310 321
311=item $coro = cf::coro { BLOCK } 322=item $coro = cf::async_ext { BLOCK }
312 323
313Creates and returns a new coro. This coro is automcatially being canceled 324Like async, but this coro is automatically being canceled when the
314when the extension calling this is being unloaded. 325extension calling this is being unloaded.
315 326
316=cut 327=cut
317 328
318sub coro(&) { 329sub async_ext(&) {
319 my $cb = shift; 330 my $cb = shift;
320 331
321 my $coro = &cf::async ($cb); 332 my $coro = &Coro::async ($cb);
322 333
323 $coro->on_destroy (sub { 334 $coro->on_destroy (sub {
324 delete $EXT_CORO{$coro+0}; 335 delete $EXT_CORO{$coro+0};
325 }); 336 });
326 $EXT_CORO{$coro+0} = $coro; 337 $EXT_CORO{$coro+0} = $coro;
327 338
328 $coro 339 $coro
329} 340}
330 341
331sub write_runtime { 342sub write_runtime {
343 return unless $TICK_WATCHER->is_active;
344
332 my $runtime = cf::localdir . "/runtime"; 345 my $runtime = cf::localdir . "/runtime";
333 346
334 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644 347 my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
335 or return; 348 or return;
336 349
351} 364}
352 365
353=back 366=back
354 367
355=cut 368=cut
356
357#############################################################################
358
359package cf::path;
360
361sub new {
362 my ($class, $path, $base) = @_;
363
364 $path = $path->as_string if ref $path;
365
366 my $self = bless { }, $class;
367
368 # {... are special paths that are not touched
369 # ?xxx/... are special absolute paths
370 # ?random/... random maps
371 # /! non-realised random map exit
372 # /... normal maps
373 # ~/... per-player maps without a specific player (DO NOT USE)
374 # ~user/... per-player map of a specific user
375
376 if ($path =~ /^{/) {
377 # fine as it is
378 } elsif ($path =~ s{^\?random/}{}) {
379 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380 $self->{random} = cf::from_json $data;
381 } else {
382 if ($path =~ s{^~([^/]+)?}{}) {
383 $self->{user_rel} = 1;
384
385 if (defined $1) {
386 $self->{user} = $1;
387 } elsif ($base =~ m{^~([^/]+)/}) {
388 $self->{user} = $1;
389 } else {
390 warn "cannot resolve user-relative path without user <$path,$base>\n";
391 }
392 } elsif ($path =~ /^\//) {
393 # already absolute
394 } else {
395 $base =~ s{[^/]+/?$}{};
396 return $class->new ("$base/$path");
397 }
398
399 for ($path) {
400 redo if s{/\.?/}{/};
401 redo if s{/[^/]+/\.\./}{/};
402 }
403 }
404
405 $self->{path} = $path;
406
407 $self
408}
409
410# the name / primary key / in-game path
411sub as_string {
412 my ($self) = @_;
413
414 $self->{user_rel} ? "~$self->{user}$self->{path}"
415 : $self->{random} ? "?random/$self->{path}"
416 : $self->{path}
417}
418
419# the displayed name, this is a one way mapping
420sub visible_name {
421 my ($self) = @_;
422
423# if (my $rmp = $self->{random}) {
424# # todo: be more intelligent about this
425# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426# } else {
427 $self->as_string
428# }
429}
430
431# escape the /'s in the path
432sub _escaped_path {
433 # ∕ is U+2215
434 (my $path = $_[0]{path}) =~ s/\//∕/g;
435 $path
436}
437
438# the original (read-only) location
439sub load_path {
440 my ($self) = @_;
441
442 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
443}
444
445# the temporary/swap location
446sub save_path {
447 my ($self) = @_;
448
449 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
450 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452}
453
454# the unique path, might be eq to save_path
455sub uniq_path {
456 my ($self) = @_;
457
458 $self->{user_rel} || $self->{random}
459 ? undef
460 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461}
462
463# return random map parameters, or undef
464sub random_map_params {
465 my ($self) = @_;
466
467 $self->{random}
468}
469
470# this is somewhat ugly, but style maps do need special treatment
471sub is_style_map {
472 $_[0]{path} =~ m{^/styles/}
473}
474
475package cf;
476 369
477############################################################################# 370#############################################################################
478 371
479=head2 ATTACHABLE OBJECTS 372=head2 ATTACHABLE OBJECTS
480 373
927=cut 820=cut
928 821
929sub register_extcmd { 822sub register_extcmd {
930 my ($name, $cb) = @_; 823 my ($name, $cb) = @_;
931 824
932 my $caller = caller;
933 #warn "registering extcmd '$name' to '$caller'";
934
935 $EXTCMD{$name} = [$cb, $caller]; 825 $EXTCMD{$name} = $cb;
936} 826}
937 827
938cf::player->attach ( 828cf::player->attach (
939 on_command => sub { 829 on_command => sub {
940 my ($pl, $name, $params) = @_; 830 my ($pl, $name, $params) = @_;
953 843
954 my $msg = eval { from_json $buf }; 844 my $msg = eval { from_json $buf };
955 845
956 if (ref $msg) { 846 if (ref $msg) {
957 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 847 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958 if (my %reply = $cb->[0]->($pl, $msg)) { 848 if (my %reply = $cb->($pl, $msg)) {
959 $pl->ext_reply ($msg->{msgid}, %reply); 849 $pl->ext_reply ($msg->{msgid}, %reply);
960 } 850 }
961 } 851 }
962 } else { 852 } else {
963 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 853 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965 855
966 cf::override; 856 cf::override;
967 }, 857 },
968); 858);
969 859
970sub register {
971 my ($base, $pkg) = @_;
972
973 #TODO
974}
975
976sub load_extension { 860sub load_extension {
977 my ($path) = @_; 861 my ($path) = @_;
978 862
979 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 863 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
980 my $base = $1; 864 my $base = $1;
981 my $pkg = $1; 865 my $pkg = $1;
982 $pkg =~ s/[^[:word:]]/_/g; 866 $pkg =~ s/[^[:word:]]/_/g;
983 $pkg = "ext::$pkg"; 867 $pkg = "ext::$pkg";
984 868
985 warn "loading '$path' into '$pkg'\n"; 869 warn "... loading '$path' into '$pkg'\n";
986 870
987 open my $fh, "<:utf8", $path 871 open my $fh, "<:utf8", $path
988 or die "$path: $!"; 872 or die "$path: $!";
989 873
990 my $source = 874 my $source =
991 "package $pkg; use strict; use utf8;\n" 875 "package $pkg; use strict; use utf8;\n"
992 . "#line 1 \"$path\"\n{\n" 876 . "#line 1 \"$path\"\n{\n"
993 . (do { local $/; <$fh> }) 877 . (do { local $/; <$fh> })
994 . "\n};\n1"; 878 . "\n};\n1";
995 879
996 eval $source 880 unless (eval $source) {
997 or die $@ ? "$path: $@\n" 881 my $msg = $@ ? "$path: $@\n"
998 : "extension disabled.\n"; 882 : "extension disabled.\n";
999 883 if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
1000 push @exts, $pkg; 884 warn $@;
1001 $ext_pkg{$base} = $pkg; 885 warn "mandatory extension failed to load, exiting.\n";
1002 886 exit 1;
1003# no strict 'refs'; 887 }
1004# @{"$pkg\::ISA"} = ext::; 888 die $@;
1005
1006 register $base, $pkg;
1007}
1008
1009sub unload_extension {
1010 my ($pkg) = @_;
1011
1012 warn "removing extension $pkg\n";
1013
1014 # remove hooks
1015 #TODO
1016# for my $idx (0 .. $#PLUGIN_EVENT) {
1017# delete $hook[$idx]{$pkg};
1018# } 889 }
1019 890
1020 # remove commands 891 push @EXTS, $pkg;
1021 for my $name (keys %COMMAND) {
1022 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024 if (@cb) {
1025 $COMMAND{$name} = \@cb;
1026 } else {
1027 delete $COMMAND{$name};
1028 }
1029 }
1030
1031 # remove extcmds
1032 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033 delete $EXTCMD{$name};
1034 }
1035
1036 if (my $cb = $pkg->can ("unload")) {
1037 eval {
1038 $cb->($pkg);
1039 1
1040 } or warn "$pkg unloaded, but with errors: $@";
1041 }
1042
1043 Symbol::delete_package $pkg;
1044} 892}
1045 893
1046sub load_extensions { 894sub load_extensions {
1047 for my $ext (<$LIBDIR/*.ext>) { 895 for my $ext (<$LIBDIR/*.ext>) {
1048 next unless -r $ext; 896 next unless -r $ext;
1066}; 914};
1067 915
1068cf::map->attach (prio => -10000, package => cf::mapsupport::); 916cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069 917
1070############################################################################# 918#############################################################################
1071# load/save perl data associated with player->ob objects
1072
1073sub all_objects(@) {
1074 @_, map all_objects ($_->inv), @_
1075}
1076
1077# TODO: compatibility cruft, remove when no longer needed
1078cf::player->attach (
1079 on_load => sub {
1080 my ($pl, $path) = @_;
1081
1082 for my $o (all_objects $pl->ob) {
1083 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084 $o->set_ob_key_value ("_perl_data");
1085
1086 %$o = %{ Storable::thaw pack "H*", $value };
1087 }
1088 }
1089 },
1090);
1091
1092#############################################################################
1093 919
1094=head2 CORE EXTENSIONS 920=head2 CORE EXTENSIONS
1095 921
1096Functions and methods that extend core crossfire objects. 922Functions and methods that extend core crossfire objects.
1097 923
924=cut
925
926package cf::player;
927
928use Coro::AIO;
929
1098=head3 cf::player 930=head3 cf::player
1099 931
1100=over 4 932=over 4
1101 933
1102=item cf::player::exists $login 934=item cf::player::find $login
1103 935
1104Returns true when the given account exists. 936Returns the given player object, loading it if necessary (might block).
1105 937
1106=cut 938=cut
1107 939
1108sub cf::player::exists($) { 940sub playerdir($) {
1109 cf::player::find $_[0] 941 cf::localdir
1110 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 942 . "/"
943 . cf::playerdir
944 . "/"
945 . (ref $_[0] ? $_[0]->ob->name : $_[0])
946}
947
948sub path($) {
949 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950
951 (playerdir $login) . "/$login.pl"
952}
953
954sub find_active($) {
955 $cf::PLAYER{$_[0]}
956 and $cf::PLAYER{$_[0]}->active
957 and $cf::PLAYER{$_[0]}
958}
959
960sub exists($) {
961 my ($login) = @_;
962
963 $cf::PLAYER{$login}
964 or cf::sync_job { !aio_stat $login }
965}
966
967sub find($) {
968 return $cf::PLAYER{$_[0]} || do {
969 my $login = $_[0];
970
971 my $guard = cf::lock_acquire "user_find:$login";
972
973 $cf::PLAYER{$_[0]} || do {
974 my $pl = load_pl path $login
975 or return;
976 $cf::PLAYER{$login} = $pl
977 }
978 }
979}
980
981sub save($) {
982 my ($pl) = @_;
983
984 return if $pl->{deny_save};
985
986 my $path = path $pl;
987 my $guard = cf::lock_acquire "user_save:$path";
988
989 return if $pl->{deny_save};
990
991 aio_mkdir playerdir $pl, 0770;
992 $pl->{last_save} = $cf::RUNTIME;
993
994 $pl->save_pl ($path);
995 Coro::cede;
996}
997
998sub new($) {
999 my ($login) = @_;
1000
1001 my $self = create;
1002
1003 $self->ob->name ($login);
1004 $self->{deny_save} = 1;
1005
1006 $cf::PLAYER{$login} = $self;
1007
1008 $self
1009}
1010
1011=item $pl->quit_character
1012
1013Nukes the player without looking back. If logged in, the connection will
1014be destroyed. May block for a long time.
1015
1016=cut
1017
1018sub quit_character {
1019 my ($pl) = @_;
1020
1021 $pl->{deny_save} = 1;
1022 $pl->password ("*"); # this should lock out the player until we nuked the dir
1023
1024 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025 $pl->deactivate;
1026 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1027 $pl->ns->destroy if $pl->ns;
1028
1029 my $path = playerdir $pl;
1030 my $temp = "$path~$cf::RUNTIME~deleting~";
1031 aio_rename $path, $temp;
1032 delete $cf::PLAYER{$pl->ob->name};
1033 $pl->destroy;
1034 IO::AIO::aio_rmtree $temp;
1035}
1036
1037=item cf::player::list_logins
1038
1039Returns am arrayref of all valid playernames in the system, can take a
1040while and may block, so not sync_job-capable, ever.
1041
1042=cut
1043
1044sub list_logins {
1045 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1046 or return [];
1047
1048 my @logins;
1049
1050 for my $login (@$dirs) {
1051 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1052 aio_read $fh, 0, 512, my $buf, 0 or next;
1053 $buf !~ /^password -------------$/m or next; # official not-valid tag
1054
1055 utf8::decode $login;
1056 push @logins, $login;
1057 }
1058
1059 \@logins
1060}
1061
1062=item $player->maps
1063
1064Returns an arrayref of map paths that are private for this
1065player. May block.
1066
1067=cut
1068
1069sub maps($) {
1070 my ($pl) = @_;
1071
1072 my $files = aio_readdir playerdir $pl
1073 or return;
1074
1075 my @paths;
1076
1077 for (@$files) {
1078 utf8::decode $_;
1079 next if /\.(?:pl|pst)$/;
1080 next unless /^$PATH_SEP/o;
1081
1082 push @paths, "~" . $pl->ob->name . "/" . $_;
1083 }
1084
1085 \@paths
1111} 1086}
1112 1087
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1088=item $player->ext_reply ($msgid, $msgtype, %msg)
1114 1089
1115Sends an ext reply to the player. 1090Sends an ext reply to the player.
1116 1091
1117=cut 1092=cut
1118 1093
1119sub cf::player::ext_reply($$$%) { 1094sub ext_reply($$$%) {
1120 my ($self, $id, %msg) = @_; 1095 my ($self, $id, %msg) = @_;
1121 1096
1122 $msg{msgid} = $id; 1097 $msg{msgid} = $id;
1123 1098
1124 $self->send ("ext " . to_json \%msg); 1099 $self->send ("ext " . cf::to_json \%msg);
1125} 1100}
1101
1102package cf;
1126 1103
1127=back 1104=back
1128 1105
1129 1106
1130=head3 cf::map 1107=head3 cf::map
1136package cf::map; 1113package cf::map;
1137 1114
1138use Fcntl; 1115use Fcntl;
1139use Coro::AIO; 1116use Coro::AIO;
1140 1117
1118use overload
1119 '""' => \&as_string;
1120
1141our $MAX_RESET = 7200; 1121our $MAX_RESET = 3600;
1142our $DEFAULT_RESET = 3600; 1122our $DEFAULT_RESET = 3000;
1143 1123
1144sub generate_random_map { 1124sub generate_random_map {
1145 my ($path, $rmp) = @_; 1125 my ($self, $rmp) = @_;
1146 1126
1147 # mit "rum" bekleckern, nicht 1127 # mit "rum" bekleckern, nicht
1148 cf::map::_create_random_map 1128 $self->_create_random_map (
1149 $path,
1150 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1129 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1130 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1131 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153 $rmp->{exit_on_final_map}, 1132 $rmp->{exit_on_final_map},
1154 $rmp->{xsize}, $rmp->{ysize}, 1133 $rmp->{xsize}, $rmp->{ysize},
1155 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1134 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1135 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1136 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1137 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1159 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1138 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160 (cf::region::find $rmp->{region}) 1139 (cf::region::find $rmp->{region}), $rmp->{custom}
1140 )
1141}
1142
1143sub register {
1144 my (undef, $regex) = @_;
1145 my $pkg = caller;
1146
1147 no strict;
1148 push @{"$pkg\::ISA"}, __PACKAGE__;
1149
1150 $EXT_MAP{$pkg} = qr<$regex>;
1151}
1152
1153# also paths starting with '/'
1154$EXT_MAP{"cf::map"} = qr{^(?=/)};
1155
1156sub normalise {
1157 my ($path, $base) = @_;
1158
1159 # map plan:
1160 #
1161 # /! non-realised random map exit (special hack!)
1162 # {... are special paths that are not being touched
1163 # ?xxx/... are special absolute paths
1164 # ?random/... random maps
1165 # /... normal maps
1166 # ~user/... per-player map of a specific user
1167
1168 $path =~ s/$PATH_SEP/\//go;
1169
1170 # treat it as relative path if it starts with
1171 # something that looks reasonable
1172 if ($path =~ m{^(?:\./|\.\./|\w)}) {
1173 $base or Carp::carp "normalise called with relative path and no base: '$path'";
1174
1175 $base =~ s{[^/]+/?$}{};
1176 $path = "$base/$path";
1177 }
1178
1179 for ($path) {
1180 redo if s{//}{/};
1181 redo if s{/\.?/}{/};
1182 redo if s{/[^/]+/\.\./}{/};
1183 }
1184
1185 $path
1186}
1187
1188sub new_from_path {
1189 my (undef, $path, $base) = @_;
1190
1191 return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192
1193 $path = normalise $path, $base;
1194
1195 for my $pkg (keys %EXT_MAP) {
1196 if ($path =~ $EXT_MAP{$pkg}) {
1197 my $self = bless cf::map::new, $pkg;
1198 $self->{path} = $path; $self->path ($path);
1199 $self->init; # pass $1 etc.
1200 return $self;
1201 }
1202 }
1203
1204 Carp::carp "unable to resolve path '$path'.";
1205 ()
1206}
1207
1208sub init {
1209 my ($self) = @_;
1210
1211 $self
1212}
1213
1214sub as_string {
1215 my ($self) = @_;
1216
1217 "$self->{path}"
1218}
1219
1220# the displayed name, this is a one way mapping
1221sub visible_name {
1222 &as_string
1223}
1224
1225# escape the /'s in the path
1226sub _escaped_path {
1227 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229 $path
1230}
1231
1232# the original (read-only) location
1233sub load_path {
1234 my ($self) = @_;
1235
1236 sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
1237}
1238
1239# the temporary/swap location
1240sub save_path {
1241 my ($self) = @_;
1242
1243 sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path
1244}
1245
1246# the unique path, undef == no special unique path
1247sub uniq_path {
1248 my ($self) = @_;
1249
1250 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
1161} 1251}
1162 1252
1163# and all this just because we cannot iterate over 1253# and all this just because we cannot iterate over
1164# all maps in C++... 1254# all maps in C++...
1165sub change_all_map_light { 1255sub change_all_map_light {
1167 1257
1168 $_->change_map_light ($change) 1258 $_->change_map_light ($change)
1169 for grep $_->outdoor, values %cf::MAP; 1259 for grep $_->outdoor, values %cf::MAP;
1170} 1260}
1171 1261
1262sub unlink_save {
1263 my ($self) = @_;
1264
1265 utf8::encode (my $save = $self->save_path);
1266 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
1267 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
1268}
1269
1172sub try_load_header($) { 1270sub load_header_from($) {
1173 my ($path) = @_; 1271 my ($self, $path) = @_;
1174 1272
1175 utf8::encode $path; 1273 utf8::encode $path;
1176 aio_open $path, O_RDONLY, 0 1274 aio_open $path, O_RDONLY, 0
1177 or return; 1275 or return;
1178 1276
1179 my $map = cf::map::new 1277 $self->_load_header ($path)
1180 or return; 1278 or return;
1181 1279
1182 $map->load_header ($path) 1280 $self->{load_path} = $path;
1281
1282 1
1283}
1284
1285sub load_orig {
1286 my ($self) = @_;
1287
1288 $self->load_header_from ($self->load_path)
1289}
1290
1291sub load_temp {
1292 my ($self) = @_;
1293
1294 $self->load_header_from ($self->save_path)
1295}
1296
1297sub load_header {
1298 my ($self) = @_;
1299
1300 if ($self->load_temp) {
1301 $self->last_access ((delete $self->{last_access})
1302 || $cf::RUNTIME); #d#
1303 # safety
1304 $self->{instantiate_time} = $cf::RUNTIME
1305 if $self->{instantiate_time} > $cf::RUNTIME;
1306 } else {
1307 $self->load_orig
1183 or return; 1308 or return;
1184 1309
1185 $map->{load_path} = $path; 1310 $self->{load_original} = 1;
1311 $self->{instantiate_time} = $cf::RUNTIME;
1312 $self->last_access ($cf::RUNTIME);
1313 $self->instantiate;
1314 }
1186 1315
1187 $map 1316 1
1188} 1317}
1189 1318
1190sub find_map; 1319sub find;
1191sub find_map { 1320sub find {
1192 my ($path, $origin) = @_; 1321 my ($path, $origin) = @_;
1193 1322
1194 #warn "find_map<$path,$origin>\n";#d#
1195
1196 $path = new cf::path $path, $origin && $origin->path; 1323 $path = normalise $path, $origin && $origin->path;
1197 my $key = $path->as_string;
1198 1324
1199 cf::lock_wait "map_find:$key"; 1325 cf::lock_wait "map_find:$path";
1200 1326
1201 $cf::MAP{$key} || do { 1327 $cf::MAP{$path} || do {
1202 my $guard = cf::lock_acquire "map_find:$key"; 1328 my $guard = cf::lock_acquire "map_find:$path";
1203 1329 my $map = new_from_path cf::map $path
1204 # do it the slow way
1205 my $map = try_load_header $path->save_path;
1206
1207 if ($map) {
1208 # safety
1209 $map->{instantiate_time} = $cf::RUNTIME
1210 if $map->{instantiate_time} > $cf::RUNTIME;
1211 } else {
1212 if (my $rmp = $path->random_map_params) {
1213 $map = generate_random_map $key, $rmp;
1214 } else {
1215 $map = try_load_header $path->load_path;
1216 }
1217
1218 $map or return; 1330 or return;
1219 1331
1220 $map->{load_original} = 1;
1221 $map->{instantiate_time} = $cf::RUNTIME;
1222 $map->instantiate;
1223
1224 # per-player maps become, after loading, normal maps
1225 $map->per_player (0) if $path->{user_rel};
1226 }
1227
1228 $map->path ($key);
1229 $map->{path} = $path;
1230 $map->{last_save} = $cf::RUNTIME; 1332 $map->{last_save} = $cf::RUNTIME;
1231 $map->last_access ($cf::RUNTIME); 1333
1334 $map->load_header
1335 or return;
1232 1336
1233 if ($map->should_reset) { 1337 if ($map->should_reset) {
1234 $map->reset; 1338 $map->reset;
1235 undef $guard; 1339 undef $guard;
1236 $map = find_map $path 1340 $map = find $path
1237 or return; 1341 or return;
1238 } 1342 }
1239 1343
1240 $cf::MAP{$key} = $map 1344 $cf::MAP{$path} = $map
1241 } 1345 }
1242} 1346}
1243 1347
1244sub load { 1348sub load {
1245 my ($self) = @_; 1349 my ($self) = @_;
1246 1350
1247 my $path = $self->{path}; 1351 my $path = $self->{path};
1248 my $guard = cf::lock_acquire "map_load:" . $path->as_string; 1352 my $guard = cf::lock_acquire "map_load:$path";
1249 1353
1250 return if $self->in_memory != cf::MAP_SWAPPED; 1354 return if $self->in_memory != cf::MAP_SWAPPED;
1251 1355
1252 $self->in_memory (cf::MAP_LOADING); 1356 $self->in_memory (cf::MAP_LOADING);
1253 1357
1254 $self->alloc; 1358 $self->alloc;
1255 $self->load_objects ($self->{load_path}, 1) 1359 $self->_load_objects ($self->{load_path}, 1)
1256 or return; 1360 or return;
1257 1361
1258 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1) 1362 $self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1259 if delete $self->{load_original}; 1363 if delete $self->{load_original};
1260 1364
1261 if (my $uniq = $path->uniq_path) { 1365 if (my $uniq = $self->uniq_path) {
1262 utf8::encode $uniq; 1366 utf8::encode $uniq;
1263 if (aio_open $uniq, O_RDONLY, 0) { 1367 if (aio_open $uniq, O_RDONLY, 0) {
1264 $self->clear_unique_items; 1368 $self->clear_unique_items;
1265 $self->load_objects ($uniq, 0); 1369 $self->_load_objects ($uniq, 0);
1266 } 1370 }
1267 } 1371 }
1372
1373 Coro::cede;
1268 1374
1269 # now do the right thing for maps 1375 # now do the right thing for maps
1270 $self->link_multipart_objects; 1376 $self->link_multipart_objects;
1271 1377
1272 if ($self->{path}->is_style_map) { 1378 unless ($self->{deny_activate}) {
1273 $self->{deny_save} = 1; 1379 $self->decay_objects;
1274 $self->{deny_reset} = 1;
1275 } else {
1276 $self->fix_auto_apply; 1380 $self->fix_auto_apply;
1277 $self->decay_objects;
1278 $self->update_buttons; 1381 $self->update_buttons;
1382 Coro::cede;
1279 $self->set_darkness_map; 1383 $self->set_darkness_map;
1280 $self->difficulty ($self->estimate_difficulty) 1384 $self->difficulty ($self->estimate_difficulty)
1281 unless $self->difficulty; 1385 unless $self->difficulty;
1386 Coro::cede;
1282 $self->activate; 1387 $self->activate;
1283 } 1388 }
1284 1389
1285 $self->in_memory (cf::MAP_IN_MEMORY); 1390 $self->in_memory (cf::MAP_IN_MEMORY);
1286} 1391}
1287 1392
1288sub load_map_sync { 1393sub customise_for {
1394 my ($self, $ob) = @_;
1395
1396 return find "~" . $ob->name . "/" . $self->{path}
1397 if $self->per_player;
1398
1399 $self
1400}
1401
1402# find and load all maps in the 3x3 area around a map
1403sub load_diag {
1404 my ($map) = @_;
1405
1406 my @diag; # diagonal neighbours
1407
1408 for (0 .. 3) {
1409 my $neigh = $map->tile_path ($_)
1410 or next;
1411 $neigh = find $neigh, $map
1412 or next;
1413 $neigh->load;
1414
1415 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1416 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1417 }
1418
1419 for (@diag) {
1420 my $neigh = find @$_
1421 or next;
1422 $neigh->load;
1423 }
1424}
1425
1426sub find_sync {
1289 my ($path, $origin) = @_; 1427 my ($path, $origin) = @_;
1290 1428
1291 #warn "load_map_sync<$path, $origin>\n";#d# 1429 cf::sync_job { find $path, $origin }
1430}
1292 1431
1293 cf::sync_job { 1432sub do_load_sync {
1294 my $map = cf::map::find_map $path, $origin 1433 my ($map) = @_;
1434
1435 cf::sync_job { $map->load };
1436}
1437
1438our %MAP_PREFETCH;
1439our $MAP_PREFETCHER = Coro::async {
1440 while () {
1441 for my $path (keys %MAP_PREFETCH) {
1442 my $map = find $path
1295 or return; 1443 or next;
1296 $map->load; 1444 $map->load;
1297 $map 1445
1446 delete $MAP_PREFETCH{$path};
1447 }
1448 Coro::schedule;
1298 } 1449 }
1450};
1451
1452sub find_async {
1453 my ($path, $origin) = @_;
1454
1455 $path = normalise $path, $origin && $origin->{path};
1456
1457 if (my $map = $cf::MAP{$path}) {
1458 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1459 }
1460
1461 $MAP_PREFETCH{$path} = 0;
1462 $MAP_PREFETCHER->ready;
1463
1464 ()
1299} 1465}
1300 1466
1301sub save { 1467sub save {
1302 my ($self) = @_; 1468 my ($self) = @_;
1303 1469
1470 my $lock = cf::lock_acquire "map_data:" . $self->path;
1471
1304 $self->{last_save} = $cf::RUNTIME; 1472 $self->{last_save} = $cf::RUNTIME;
1305 1473
1306 return unless $self->dirty; 1474 return unless $self->dirty;
1307 1475
1308 my $save = $self->{path}->save_path; utf8::encode $save; 1476 my $save = $self->save_path; utf8::encode $save;
1309 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1477 my $uniq = $self->uniq_path; utf8::encode $uniq;
1310 1478
1311 $self->{load_path} = $save; 1479 $self->{load_path} = $save;
1312 1480
1313 return if $self->{deny_save}; 1481 return if $self->{deny_save};
1314 1482
1483 local $self->{last_access} = $self->last_access;#d#
1484
1485 cf::async {
1486 $_->contr->save for $self->players;
1487 };
1488
1315 if ($uniq) { 1489 if ($uniq) {
1316 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1490 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317 $self->save_objects ($uniq, cf::IO_UNIQUES); 1491 $self->_save_objects ($uniq, cf::IO_UNIQUES);
1318 } else { 1492 } else {
1319 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES); 1493 $self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1320 } 1494 }
1321} 1495}
1322 1496
1323sub swap_out { 1497sub swap_out {
1324 my ($self) = @_; 1498 my ($self) = @_;
1325 1499
1326 # save first because save cedes 1500 # save first because save cedes
1327 $self->save; 1501 $self->save;
1502
1503 my $lock = cf::lock_acquire "map_data:" . $self->path;
1328 1504
1329 return if $self->players; 1505 return if $self->players;
1330 return if $self->in_memory != cf::MAP_IN_MEMORY; 1506 return if $self->in_memory != cf::MAP_IN_MEMORY;
1331 return if $self->{deny_save}; 1507 return if $self->{deny_save};
1332 1508
1336 1512
1337sub reset_at { 1513sub reset_at {
1338 my ($self) = @_; 1514 my ($self) = @_;
1339 1515
1340 # TODO: safety, remove and allow resettable per-player maps 1516 # TODO: safety, remove and allow resettable per-player maps
1341 return 1e99 if $self->{path}{user_rel}; 1517 return 1e99 if $self->isa ("ext::map_per_player");
1342 return 1e99 if $self->{deny_reset}; 1518 return 1e99 if $self->{deny_reset};
1343 1519
1344 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access; 1520 my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1345 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET; 1521 my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1346 1522
1351 my ($self) = @_; 1527 my ($self) = @_;
1352 1528
1353 $self->reset_at <= $cf::RUNTIME 1529 $self->reset_at <= $cf::RUNTIME
1354} 1530}
1355 1531
1356sub unlink_save {
1357 my ($self) = @_;
1358
1359 utf8::encode (my $save = $self->{path}->save_path);
1360 aioreq_pri 3; IO::AIO::aio_unlink $save;
1361 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1362}
1363
1364sub rename { 1532sub rename {
1365 my ($self, $new_path) = @_; 1533 my ($self, $new_path) = @_;
1366 1534
1535 normalise $new_path;
1536
1367 $self->unlink_save; 1537 $self->unlink_save;
1368 1538
1369 delete $cf::MAP{$self->path}; 1539 delete $cf::MAP{$self->path};
1370 $self->{path} = new cf::path $new_path; 1540 $self->{path} = $new_path; $self->path ($self->{path});
1371 $self->path ($self->{path}->as_string);
1372 $cf::MAP{$self->path} = $self; 1541 $cf::MAP{$self->path} = $self;
1373 1542
1374 $self->save; 1543 $self->save;
1375} 1544}
1376 1545
1377sub reset { 1546sub reset {
1378 my ($self) = @_; 1547 my ($self) = @_;
1379 1548
1549 my $lock = cf::lock_acquire "map_data:" . $self->path;
1550
1380 return if $self->players; 1551 return if $self->players;
1381 return if $self->{path}{user_rel};#d# 1552 return if $self->isa ("ext::map_per_player");#d#
1382 1553
1383 warn "resetting map ", $self->path;#d# 1554 warn "resetting map ", $self->path;#d#
1384 1555
1385 delete $cf::MAP{$self->path}; 1556 delete $cf::MAP{$self->path};
1386 1557
1399 $self->reset_timeout (1); 1570 $self->reset_timeout (1);
1400 $self->rename ("{nuke}/" . ($nuke_counter++)); 1571 $self->rename ("{nuke}/" . ($nuke_counter++));
1401 $self->reset; # polite request, might not happen 1572 $self->reset; # polite request, might not happen
1402} 1573}
1403 1574
1404sub customise_for { 1575=item cf::map::unique_maps
1405 my ($map, $ob) = @_;
1406 1576
1407 if ($map->per_player) { 1577Returns an arrayref of paths of all shared maps that have
1408 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1578instantiated unique items. May block.
1409 }
1410 1579
1411 $map 1580=cut
1412}
1413 1581
1414sub emergency_save { 1582sub unique_maps() {
1415 local $cf::FREEZE = 1; 1583 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1584 or return;
1416 1585
1417 warn "enter emergency map save\n"; 1586 my @paths;
1418 1587
1419 cf::sync_job { 1588 for (@$files) {
1420 warn "begin emergency map save\n"; 1589 utf8::decode $_;
1421 $_->save for values %cf::MAP; 1590 next if /\.pst$/;
1591 next unless /^$PATH_SEP/o;
1592
1593 push @paths, $_;
1422 }; 1594 }
1423 1595
1424 warn "end emergency map save\n"; 1596 \@paths
1425} 1597}
1426 1598
1427package cf; 1599package cf;
1428 1600
1429=back 1601=back
1430 1602
1603=head3 cf::object
1604
1605=cut
1606
1607package cf::object;
1608
1609=over 4
1610
1611=item $ob->inv_recursive
1612
1613Returns the inventory of the object _and_ their inventories, recursively.
1614
1615=cut
1616
1617sub inv_recursive_;
1618sub inv_recursive_ {
1619 map { $_, inv_recursive_ $_->inv } @_
1620}
1621
1622sub inv_recursive {
1623 inv_recursive_ inv $_[0]
1624}
1625
1626package cf;
1627
1628=back
1431 1629
1432=head3 cf::object::player 1630=head3 cf::object::player
1433 1631
1434=over 4 1632=over 4
1435 1633
1475 1673
1476=item $player_object->enter_link 1674=item $player_object->enter_link
1477 1675
1478Freezes the player and moves him/her to a special map (C<{link}>). 1676Freezes the player and moves him/her to a special map (C<{link}>).
1479 1677
1480The player should be reaosnably safe there for short amounts of time. You 1678The player should be reasonably safe there for short amounts of time. You
1481I<MUST> call C<leave_link> as soon as possible, though. 1679I<MUST> call C<leave_link> as soon as possible, though.
1482 1680
1681Will never block.
1682
1483=item $player_object->leave_link ($map, $x, $y) 1683=item $player_object->leave_link ($map, $x, $y)
1484 1684
1485Moves the player out of the specila link map onto the given map. If the 1685Moves the player out of the special C<{link}> map onto the specified
1486map is not valid (or omitted), the player will be moved back to the 1686map. If the map is not valid (or omitted), the player will be moved back
1487location he/she was before the call to C<enter_link>, or, if that fails, 1687to the location he/she was before the call to C<enter_link>, or, if that
1488to the emergency map position. 1688fails, to the emergency map position.
1489 1689
1490Might block. 1690Might block.
1491 1691
1492=cut 1692=cut
1693
1694sub link_map {
1695 unless ($LINK_MAP) {
1696 $LINK_MAP = cf::map::find "{link}"
1697 or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };
1698 $LINK_MAP->load;
1699 }
1700
1701 $LINK_MAP
1702}
1493 1703
1494sub cf::object::player::enter_link { 1704sub cf::object::player::enter_link {
1495 my ($self) = @_; 1705 my ($self) = @_;
1496 1706
1497 $self->deactivate_recursive; 1707 $self->deactivate_recursive;
1498 1708
1499 return if $self->map == $LINK_MAP; 1709 return if UNIVERSAL::isa $self->map, "ext::map_link";
1500 1710
1501 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y] 1711 $self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1502 if $self->map; 1712 if $self->map;
1503 1713
1504 $self->enter_map ($LINK_MAP, 20, 20); 1714 $self->enter_map ($LINK_MAP || link_map, 20, 20);
1505} 1715}
1506 1716
1507sub cf::object::player::leave_link { 1717sub cf::object::player::leave_link {
1508 my ($self, $map, $x, $y) = @_; 1718 my ($self, $map, $x, $y) = @_;
1509 1719
1510 my $link_pos = delete $self->{_link_pos}; 1720 my $link_pos = delete $self->{_link_pos};
1511 1721
1512 unless ($map) { 1722 unless ($map) {
1513 # restore original map position 1723 # restore original map position
1514 ($map, $x, $y) = @{ $link_pos || [] }; 1724 ($map, $x, $y) = @{ $link_pos || [] };
1515 $map = cf::map::find_map $map; 1725 $map = cf::map::find $map;
1516 1726
1517 unless ($map) { 1727 unless ($map) {
1518 ($map, $x, $y) = @$EMERGENCY_POSITION; 1728 ($map, $x, $y) = @$EMERGENCY_POSITION;
1519 $map = cf::map::find_map $map 1729 $map = cf::map::find $map
1520 or die "FATAL: cannot load emergency map\n"; 1730 or die "FATAL: cannot load emergency map\n";
1521 } 1731 }
1522 } 1732 }
1523 1733
1524 ($x, $y) = (-1, -1) 1734 ($x, $y) = (-1, -1)
1527 # use -1 or undef as default coordinates, not 0, 0 1737 # use -1 or undef as default coordinates, not 0, 0
1528 ($x, $y) = ($map->enter_x, $map->enter_y) 1738 ($x, $y) = ($map->enter_x, $map->enter_y)
1529 if $x <=0 && $y <= 0; 1739 if $x <=0 && $y <= 0;
1530 1740
1531 $map->load; 1741 $map->load;
1742 $map->load_diag;
1532 1743
1744 return unless $self->contr->active;
1533 $self->activate_recursive; 1745 $self->activate_recursive;
1534 $self->enter_map ($map, $x, $y); 1746 $self->enter_map ($map, $x, $y);
1535} 1747}
1536 1748
1537cf::player->attach ( 1749cf::player->attach (
1550 1762
1551 # try to abort aborted map switching on player login :) 1763 # try to abort aborted map switching on player login :)
1552 # should happen only on crashes 1764 # should happen only on crashes
1553 if ($pl->ob->{_link_pos}) { 1765 if ($pl->ob->{_link_pos}) {
1554 $pl->ob->enter_link; 1766 $pl->ob->enter_link;
1555 cf::async { 1767 (async {
1556 # we need this sleep as the login has a concurrent enter_exit running 1768 # we need this sleep as the login has a concurrent enter_exit running
1557 # and this sleep increases chances of the player not ending up in scorn 1769 # and this sleep increases chances of the player not ending up in scorn
1770 $pl->ob->reply (undef,
1771 "There was an internal problem at your last logout, "
1772 . "the server will try to bring you to your intended destination in a second.",
1773 cf::NDI_RED);
1558 Coro::Timer::sleep 1; 1774 Coro::Timer::sleep 1;
1559 $pl->ob->leave_link; 1775 $pl->ob->leave_link;
1560 }; 1776 })->prio (2);
1561 } 1777 }
1562 }, 1778 },
1563); 1779);
1564 1780
1565=item $player_object->goto_map ($path, $x, $y) 1781=item $player_object->goto ($path, $x, $y)
1566 1782
1567=cut 1783=cut
1568 1784
1569sub cf::object::player::goto_map { 1785sub cf::object::player::goto {
1570 my ($self, $path, $x, $y) = @_; 1786 my ($self, $path, $x, $y) = @_;
1571 1787
1572 $self->enter_link; 1788 $self->enter_link;
1573 1789
1574 (cf::async { 1790 (async {
1575 $path = new cf::path $path;
1576
1577 my $map = cf::map::find_map $path->as_string; 1791 my $map = cf::map::find $path;
1578 $map = $map->customise_for ($self) if $map; 1792 $map = $map->customise_for ($self) if $map;
1579 1793
1580# warn "entering ", $map->path, " at ($x, $y)\n" 1794# warn "entering ", $map->path, " at ($x, $y)\n"
1581# if $map; 1795# if $map;
1582 1796
1583 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1797 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1584 1798
1585 $self->leave_link ($map, $x, $y); 1799 $self->leave_link ($map, $x, $y);
1586 })->prio (1); 1800 })->prio (1);
1587} 1801}
1588 1802
1641 1855
1642 return unless $self->type == cf::PLAYER; 1856 return unless $self->type == cf::PLAYER;
1643 1857
1644 $self->enter_link; 1858 $self->enter_link;
1645 1859
1646 (cf::async { 1860 (async {
1861 $self->deactivate_recursive; # just to be sure
1647 unless (eval { 1862 unless (eval {
1648 prepare_random_map $exit 1863 prepare_random_map $exit
1649 if $exit->slaying eq "/!"; 1864 if $exit->slaying eq "/!";
1650 1865
1651 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1866 my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;
1652 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1867 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653 1868
1654 1; 1869 1;
1655 }) { 1870 }) {
1656 $self->message ("Something went wrong deep within the crossfire server. " 1871 $self->message ("Something went wrong deep within the crossfire server. "
1657 . "I'll try to bring you back to the map you were before. " 1872 . "I'll try to bring you back to the map you were before. "
1658 . "Please report this to the dungeon master", 1873 . "Please report this to the dungeon master!",
1659 cf::NDI_UNIQUE | cf::NDI_RED); 1874 cf::NDI_UNIQUE | cf::NDI_RED);
1660 1875
1661 warn "ERROR in enter_exit: $@"; 1876 warn "ERROR in enter_exit: $@";
1662 $self->leave_link; 1877 $self->leave_link;
1663 } 1878 }
1731 } 1946 }
1732 } 1947 }
1733 }, 1948 },
1734); 1949);
1735 1950
1736=item $client->coro (\&cb) 1951=item $client->async (\&cb)
1737 1952
1738Create a new coroutine, running the specified callback. The coroutine will 1953Create a new coroutine, running the specified callback. The coroutine will
1739be automatically cancelled when the client gets destroyed (e.g. on logout, 1954be automatically cancelled when the client gets destroyed (e.g. on logout,
1740or loss of connection). 1955or loss of connection).
1741 1956
1742=cut 1957=cut
1743 1958
1744sub cf::client::coro { 1959sub cf::client::async {
1745 my ($self, $cb) = @_; 1960 my ($self, $cb) = @_;
1746 1961
1747 my $coro = &cf::async ($cb); 1962 my $coro = &Coro::async ($cb);
1748 1963
1749 $coro->on_destroy (sub { 1964 $coro->on_destroy (sub {
1750 delete $self->{_coro}{$coro+0}; 1965 delete $self->{_coro}{$coro+0};
1751 }); 1966 });
1752 1967
1990 local $/; 2205 local $/;
1991 *CFG = YAML::Syck::Load <$fh>; 2206 *CFG = YAML::Syck::Load <$fh>;
1992 2207
1993 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2208 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994 2209
2210 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2212
1995 if (exists $CFG{mlockall}) { 2213 if (exists $CFG{mlockall}) {
1996 eval { 2214 eval {
1997 $CFG{mlockall} ? &mlockall : &munlockall 2215 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998 and die "WARNING: m(un)lockall failed: $!\n"; 2216 and die "WARNING: m(un)lockall failed: $!\n";
1999 }; 2217 };
2000 warn $@ if $@; 2218 warn $@ if $@;
2001 } 2219 }
2002} 2220}
2003 2221
2004sub main { 2222sub main {
2005 # we must not ever block the main coroutine 2223 # we must not ever block the main coroutine
2006 local $Coro::idle = sub { 2224 local $Coro::idle = sub {
2007 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2225 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2008 (Coro::unblock_sub {
2009 Event::one_event; 2226 async { Event::one_event };
2010 })->();
2011 }; 2227 };
2012 2228
2013 cfg_load; 2229 cfg_load;
2014 db_load; 2230 db_load;
2015 load_extensions; 2231 load_extensions;
2016 Event::loop; 2232 Event::loop;
2017} 2233}
2018 2234
2019############################################################################# 2235#############################################################################
2020# initialisation 2236# initialisation and cleanup
2237
2238# install some emergency cleanup handlers
2239BEGIN {
2240 for my $signal (qw(INT HUP TERM)) {
2241 Event->signal (
2242 data => WF_AUTOCANCEL,
2243 signal => $signal,
2244 cb => sub {
2245 cf::cleanup "SIG$signal";
2246 },
2247 );
2248 }
2249}
2250
2251sub emergency_save() {
2252 my $freeze_guard = cf::freeze_mainloop;
2253
2254 warn "enter emergency perl save\n";
2255
2256 cf::sync_job {
2257 # use a peculiar iteration method to avoid tripping on perl
2258 # refcount bugs in for. also avoids problems with players
2259 # and maps saved/Destroyed asynchronously.
2260 warn "begin emergency player save\n";
2261 for my $login (keys %cf::PLAYER) {
2262 my $pl = $cf::PLAYER{$login} or next;
2263 $pl->valid or next;
2264 $pl->save;
2265 }
2266 warn "end emergency player save\n";
2267
2268 warn "begin emergency map save\n";
2269 for my $path (keys %cf::MAP) {
2270 my $map = $cf::MAP{$path} or next;
2271 $map->valid or next;
2272 $map->save;
2273 }
2274 warn "end emergency map save\n";
2275 };
2276
2277 warn "leave emergency perl save\n";
2278}
2021 2279
2022sub reload() { 2280sub reload() {
2023 # can/must only be called in main 2281 # can/must only be called in main
2024 if ($Coro::current != $Coro::main) { 2282 if ($Coro::current != $Coro::main) {
2025 warn "can only reload from main coroutine\n"; 2283 warn "can only reload from main coroutine\n";
2026 return; 2284 return;
2027 } 2285 }
2028 2286
2029 warn "reloading..."; 2287 warn "reloading...";
2030 2288
2031 local $FREEZE = 1; 2289 warn "freezing server";
2290 my $guard = freeze_mainloop;
2032 cf::emergency_save; 2291 cf::emergency_save;
2292
2293 warn "sync database to disk";
2294 cf::db_sync;
2295 IO::AIO::flush;
2033 2296
2034 eval { 2297 eval {
2035 # if anything goes wrong in here, we should simply crash as we already saved 2298 # if anything goes wrong in here, we should simply crash as we already saved
2036 2299
2037 # cancel all watchers 2300 warn "cancel all watchers";
2038 for (Event::all_watchers) { 2301 for (Event::all_watchers) {
2039 $_->cancel if $_->data & WF_AUTOCANCEL; 2302 $_->cancel if $_->data & WF_AUTOCANCEL;
2040 } 2303 }
2041 2304
2042 # cancel all extension coros 2305 warn "cancel all extension coros";
2043 $_->cancel for values %EXT_CORO; 2306 $_->cancel for values %EXT_CORO;
2044 %EXT_CORO = (); 2307 %EXT_CORO = ();
2045 2308
2309 warn "remove commands";
2310 %COMMAND = ();
2311
2312 warn "remove ext commands";
2313 %EXTCMD = ();
2314
2046 # unload all extensions 2315 warn "unload/nuke all extensions";
2047 for (@exts) { 2316 for my $pkg (@EXTS) {
2048 warn "unloading <$_>"; 2317 warn "... unloading $pkg";
2049 unload_extension $_; 2318
2319 if (my $cb = $pkg->can ("unload")) {
2320 eval {
2321 $cb->($pkg);
2322 1
2323 } or warn "$pkg unloaded, but with errors: $@";
2050 } 2324 }
2051 2325
2326 warn "... nuking $pkg";
2327 Symbol::delete_package $pkg;
2328 }
2329
2052 # unload all modules loaded from $LIBDIR 2330 warn "unload all perl modules loaded from $LIBDIR";
2053 while (my ($k, $v) = each %INC) { 2331 while (my ($k, $v) = each %INC) {
2054 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2332 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055 2333
2056 warn "removing <$k>"; 2334 warn "removing <$k>";
2057 delete $INC{$k}; 2335 delete $INC{$k};
2064 } 2342 }
2065 2343
2066 Symbol::delete_package $k; 2344 Symbol::delete_package $k;
2067 } 2345 }
2068 2346
2069 # sync database to disk
2070 cf::db_sync;
2071 IO::AIO::flush;
2072
2073 # get rid of safe::, as good as possible 2347 warn "get rid of safe::, as good as possible";
2074 Symbol::delete_package "safe::$_" 2348 Symbol::delete_package "safe::$_"
2075 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2349 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2076 2350
2077 # remove register_script_function callbacks
2078 # TODO
2079
2080 # unload cf.pm "a bit" 2351 warn "unload cf.pm \"a bit\"";
2081 delete $INC{"cf.pm"}; 2352 delete $INC{"cf.pm"};
2082 2353
2083 # don't, removes xs symbols, too, 2354 # don't, removes xs symbols, too,
2084 # and global variables created in xs 2355 # and global variables created in xs
2085 #Symbol::delete_package __PACKAGE__; 2356 #Symbol::delete_package __PACKAGE__;
2086 2357
2087 # reload cf.pm
2088 warn "reloading cf.pm"; 2358 warn "reloading cf.pm";
2089 require cf; 2359 require cf;
2090 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2360 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091 2361
2092 # load config and database again 2362 warn "load config and database again";
2093 cf::cfg_load; 2363 cf::cfg_load;
2094 cf::db_load; 2364 cf::db_load;
2095 2365
2096 # load extensions
2097 warn "load extensions"; 2366 warn "load extensions";
2098 cf::load_extensions; 2367 cf::load_extensions;
2099 2368
2100 # reattach attachments to objects 2369 warn "reattach attachments to objects/players";
2101 warn "reattach";
2102 _global_reattach; 2370 _global_reattach;
2371 warn "reattach attachments to maps";
2372 reattach $_ for values %MAP;
2103 }; 2373 };
2104 2374
2105 if ($@) { 2375 if ($@) {
2106 warn $@; 2376 warn $@;
2107 warn "error while reloading, exiting."; 2377 warn "error while reloading, exiting.";
2108 exit 1; 2378 exit 1;
2109 } 2379 }
2110 2380
2111 warn "reloaded successfully"; 2381 warn "reloaded";
2112}; 2382};
2113
2114#############################################################################
2115
2116unless ($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} = $LINK_MAP;
2155}
2156
2157register "<global>", __PACKAGE__;
2158 2383
2159register_command "reload" => sub { 2384register_command "reload" => sub {
2160 my ($who, $arg) = @_; 2385 my ($who, $arg) = @_;
2161 2386
2162 if ($who->flag (FLAG_WIZ)) { 2387 if ($who->flag (FLAG_WIZ)) {
2172 reentrant => 0, 2397 reentrant => 0,
2173 prio => 0, 2398 prio => 0,
2174 at => $NEXT_TICK || $TICK, 2399 at => $NEXT_TICK || $TICK,
2175 data => WF_AUTOCANCEL, 2400 data => WF_AUTOCANCEL,
2176 cb => sub { 2401 cb => sub {
2177 unless ($FREEZE) { 2402 $NOW = Event::time;
2403
2178 cf::server_tick; # one server iteration 2404 cf::server_tick; # one server iteration
2179 $RUNTIME += $TICK; 2405 $RUNTIME += $TICK;
2180 }
2181
2182 $NEXT_TICK += $TICK; 2406 $NEXT_TICK += $TICK;
2407
2408 $WAIT_FOR_TICK->broadcast;
2409 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2183 2410
2184 # if we are delayed by four ticks or more, skip them all 2411 # if we are delayed by four ticks or more, skip them all
2185 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2412 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186 2413
2187 $TICK_WATCHER->at ($NEXT_TICK); 2414 $TICK_WATCHER->at ($NEXT_TICK);

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