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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.130 by root, Thu Jan 4 00:08:08 2007 UTC vs.
Revision 1.163 by root, Thu Jan 11 01:01:56 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
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;
57 64
58binmode STDOUT; 65binmode STDOUT;
59binmode STDERR; 66binmode STDERR;
60 67
61# read virtual server time, if available 68# read virtual server time, if available
71mkdir cf::localdir . "/" . cf::uniquedir; 78mkdir cf::localdir . "/" . cf::uniquedir;
72mkdir $RANDOM_MAPS; 79mkdir $RANDOM_MAPS;
73 80
74# a special map that is always available 81# a special map that is always available
75our $LINK_MAP; 82our $LINK_MAP;
76 83our $EMERGENCY_POSITION;
77our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];
78 84
79############################################################################# 85#############################################################################
80 86
81=head2 GLOBAL VARIABLES 87=head2 GLOBAL VARIABLES
82 88
106 112
107=item %cf::CFG 113=item %cf::CFG
108 114
109Configuration for the server, loaded from C</etc/crossfire/config>, or 115Configuration for the server, loaded from C</etc/crossfire/config>, or
110from wherever your confdir points to. 116from wherever your confdir points to.
117
118=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
119
120These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
121or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
122processing has been done. Call C<< ->wait >> on them to maximise the
123window of cpu time available, or simply to synchronise to the server tick.
111 124
112=back 125=back
113 126
114=cut 127=cut
115 128
119 utf8::encode $msg; 132 utf8::encode $msg;
120 133
121 $msg .= "\n" 134 $msg .= "\n"
122 unless $msg =~ /\n$/; 135 unless $msg =~ /\n$/;
123 136
124 LOG llevError, "cfperl: $msg"; 137 LOG llevError, $msg;
125 }; 138 };
126} 139}
127 140
128@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 141@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 142@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
147 160
148$Event::DIED = sub { 161$Event::DIED = sub {
149 warn "error in event callback: @_"; 162 warn "error in event callback: @_";
150}; 163};
151 164
152my %ext_pkg;
153my @exts;
154my @hook;
155
156=head2 UTILITY FUNCTIONS 165=head2 UTILITY FUNCTIONS
157 166
158=over 4 167=over 4
159 168
169=item dumpval $ref
170
160=cut 171=cut
172
173sub dumpval {
174 eval {
175 local $SIG{__DIE__};
176 my $d;
177 if (1) {
178 $d = new Data::Dumper([$_[0]], ["*var"]);
179 $d->Terse(1);
180 $d->Indent(2);
181 $d->Quotekeys(0);
182 $d->Useqq(1);
183 #$d->Bless(...);
184 $d->Seen($_[1]) if @_ > 1;
185 $d = $d->Dump();
186 }
187 $d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
188 $d
189 } || "[unable to dump $_[0]: '$@']";
190}
161 191
162use JSON::Syck (); # TODO# replace by JSON::PC once working 192use JSON::Syck (); # TODO# replace by JSON::PC once working
163 193
164=item $ref = cf::from_json $json 194=item $ref = cf::from_json $json
165 195
181sub to_json($) { 211sub to_json($) {
182 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 212 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183 JSON::Syck::Dump $_[0] 213 JSON::Syck::Dump $_[0]
184} 214}
185 215
186=item my $guard = cf::guard { BLOCK }
187
188Run the given callback when the guard object gets destroyed (useful for
189coroutine cancellations).
190
191You can call C<< ->cancel >> on the guard object to stop the block from
192being executed.
193
194=cut
195
196sub guard(&) {
197 bless \(my $cb = $_[0]), cf::guard::;
198}
199
200sub cf::guard::cancel {
201 ${$_[0]} = sub { };
202}
203
204sub cf::guard::DESTROY {
205 ${$_[0]}->();
206}
207
208=item cf::lock_wait $string 216=item cf::lock_wait $string
209 217
210Wait until the given lock is available. See cf::lock_acquire. 218Wait until the given lock is available. See cf::lock_acquire.
211 219
212=item my $lock = cf::lock_acquire $string 220=item my $lock = cf::lock_acquire $string
213 221
214Wait until the given lock is available and then acquires it and returns 222Wait until the given lock is available and then acquires it and returns
215a guard object. If the guard object gets destroyed (goes out of scope, 223a Coro::guard object. If the guard object gets destroyed (goes out of scope,
216for example when the coroutine gets canceled), the lock is automatically 224for example when the coroutine gets canceled), the lock is automatically
217returned. 225returned.
218 226
219Lock names should begin with a unique identifier (for example, find_map 227Lock names should begin with a unique identifier (for example, cf::map::find
220uses map_find and load_map uses map_load). 228uses map_find and cf::map::load uses map_load).
221 229
222=cut 230=cut
223 231
224our %LOCK; 232our %LOCK;
225 233
239 # wait, to be sure we are not locked 247 # wait, to be sure we are not locked
240 lock_wait $key; 248 lock_wait $key;
241 249
242 $LOCK{$key} = []; 250 $LOCK{$key} = [];
243 251
244 cf::guard { 252 Coro::guard {
245 # wake up all waiters, to be on the safe side 253 # wake up all waiters, to be on the safe side
246 $_->ready for @{ delete $LOCK{$key} }; 254 $_->ready for @{ delete $LOCK{$key} };
247 } 255 }
248} 256}
249 257
258sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active;
260
261 my $guard = Coro::guard { $TICK_WATCHER->start };
262 $TICK_WATCHER->stop;
263 $guard
264}
265
250=item cf::async { BLOCK } 266=item cf::async { BLOCK }
251 267
252Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the 268Currently the same as Coro::async_pool, meaning you cannot use
253error instead of exiting the server in case of a problem. 269C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
270thing you are allowed to do is call C<prio> on it.
254 271
255=cut 272=cut
256 273
257sub async(&) { 274BEGIN { *async = \&Coro::async_pool }
258 my ($cb) = @_;
259
260 Coro::async {
261 eval { $cb->() };
262 warn $@ if $@;
263 }
264}
265 275
266=item cf::sync_job { BLOCK } 276=item cf::sync_job { BLOCK }
267 277
268The design of crossfire+ requires that the main coro ($Coro::main) is 278The design of crossfire+ requires that the main coro ($Coro::main) is
269always able to handle events or runnable, as crossfire+ is only partly 279always able to handle events or runnable, as crossfire+ is only partly
283 # this is the main coro, too bad, we have to block 293 # this is the main coro, too bad, we have to block
284 # till the operation succeeds, freezing the server :/ 294 # till the operation succeeds, freezing the server :/
285 295
286 # TODO: use suspend/resume instead 296 # TODO: use suspend/resume instead
287 # (but this is cancel-safe) 297 # (but this is cancel-safe)
288 local $FREEZE = 1; 298 my $freeze_guard = freeze_mainloop;
289 299
290 my $busy = 1; 300 my $busy = 1;
291 my @res; 301 my @res;
292 302
293 (Coro::async { 303 (async {
294 @res = eval { $job->() }; 304 @res = eval { $job->() };
295 warn $@ if $@; 305 warn $@ if $@;
296 undef $busy; 306 undef $busy;
297 })->prio (Coro::PRIO_MAX); 307 })->prio (Coro::PRIO_MAX);
298 308
299 while ($busy) { 309 while ($busy) {
300 Coro::cede_notself; 310 Coro::cede or Event::one_event;
301 Event::one_event unless Coro::nready;
302 } 311 }
303 312
304 wantarray ? @res : $res[0] 313 wantarray ? @res : $res[0]
305 } else { 314 } else {
306 # we are in another coroutine, how wonderful, everything just works 315 # we are in another coroutine, how wonderful, everything just works
307 316
308 $job->() 317 $job->()
309 } 318 }
310} 319}
311 320
312=item $coro = cf::coro { BLOCK } 321=item $coro = cf::async_ext { BLOCK }
313 322
314Creates and returns a new coro. This coro is automcatially being canceled 323Like async, but this coro is automatically being canceled when the
315when the extension calling this is being unloaded. 324extension calling this is being unloaded.
316 325
317=cut 326=cut
318 327
319sub coro(&) { 328sub async_ext(&) {
320 my $cb = shift; 329 my $cb = shift;
321 330
322 my $coro = &cf::async ($cb); 331 my $coro = &Coro::async ($cb);
323 332
324 $coro->on_destroy (sub { 333 $coro->on_destroy (sub {
325 delete $EXT_CORO{$coro+0}; 334 delete $EXT_CORO{$coro+0};
326 }); 335 });
327 $EXT_CORO{$coro+0} = $coro; 336 $EXT_CORO{$coro+0} = $coro;
357 366
358############################################################################# 367#############################################################################
359 368
360package cf::path; 369package cf::path;
361 370
371use overload
372 '""' => \&as_string;
373
374# used to convert map paths into valid unix filenames by repalcing / by ∕
375our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
376
377sub register {
378 my ($pkg, $prefix) = @_;
379
380 $EXT_MAP{$prefix} = $pkg;
381}
382
362sub new { 383sub new {
363 my ($class, $path, $base) = @_; 384 my ($class, $path, $base) = @_;
364 385
365 $path = $path->as_string if ref $path; 386 return $path if ref $path;
366 387
367 my $self = bless { }, $class; 388 my $self = {};
368 389
369 # {... are special paths that are not touched 390 # {... are special paths that are not being touched
370 # ?xxx/... are special absolute paths 391 # ?xxx/... are special absolute paths
371 # ?random/... random maps 392 # ?random/... random maps
372 # /! non-realised random map exit 393 # /! non-realised random map exit
373 # /... normal maps 394 # /... normal maps
374 # ~/... per-player maps without a specific player (DO NOT USE) 395 # ~/... per-player maps without a specific player (DO NOT USE)
375 # ~user/... per-player map of a specific user 396 # ~user/... per-player map of a specific user
376 397
398 $path =~ s/$PATH_SEP/\//go;
399
377 if ($path =~ /^{/) { 400 if ($path =~ /^{/) {
378 # fine as it is 401 # fine as it is
379 } elsif ($path =~ s{^\?random/}{}) {
380 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
381 $self->{random} = cf::from_json $data;
382 } else { 402 } else {
383 if ($path =~ s{^~([^/]+)?}{}) { 403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
384 $self->{user_rel} = 1; 405 $self->{user_rel} = 1;
385 406
386 if (defined $1) { 407 if (defined $1) {
387 $self->{user} = $1; 408 $self->{user} = $1;
388 } elsif ($base =~ m{^~([^/]+)/}) { 409 } elsif ($base =~ m{^~([^/]+)/}) {
389 $self->{user} = $1; 410 $self->{user} = $1;
390 } else { 411 } else {
391 warn "cannot resolve user-relative path without user <$path,$base>\n"; 412 warn "cannot resolve user-relative path without user <$path,$base>\n";
392 } 413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
393 } elsif ($path =~ /^\//) { 420 } elsif ($path =~ /^\//) {
421 # /...
394 # already absolute 422 # already absolute
395 } else { 423 } else {
424 # relative
396 $base =~ s{[^/]+/?$}{}; 425 $base =~ s{[^/]+/?$}{};
397 return $class->new ("$base/$path"); 426 return $class->new ("$base/$path");
398 } 427 }
399 428
400 for ($path) { 429 for ($path) {
403 } 432 }
404 } 433 }
405 434
406 $self->{path} = $path; 435 $self->{path} = $path;
407 436
437 if ("HASH" eq ref $self) {
438 bless $self, $class;
439 } else {
440 $self->init;
441 }
442
443 for my $ext (values %EXT_MAP) {
444 if (my $subst = $ext->substitute ($self)) {
445 return $subst;
446 }
447 }
448
408 $self 449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
409} 458}
410 459
411# the name / primary key / in-game path 460# the name / primary key / in-game path
412sub as_string { 461sub as_string {
413 my ($self) = @_; 462 my ($self) = @_;
414 463
415 $self->{user_rel} ? "~$self->{user}$self->{path}" 464 $self->{user_rel} ? "~$self->{user}$self->{path}"
416 : $self->{random} ? "?random/$self->{path}" 465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
417 : $self->{path} 466 : $self->{path}
418} 467}
419 468
420# the displayed name, this is a one way mapping 469# the displayed name, this is a one way mapping
421sub visible_name { 470sub visible_name {
422 my ($self) = @_; 471 &as_string
423
424# if (my $rmp = $self->{random}) {
425# # todo: be more intelligent about this
426# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
427# } else {
428 $self->as_string
429# }
430} 472}
431 473
432# escape the /'s in the path 474# escape the /'s in the path
433sub _escaped_path { 475sub _escaped_path {
434 # ∕ is U+2215
435 (my $path = $_[0]{path}) =~ s/\///g; 476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
436 $path 478 $path
437} 479}
438 480
439# the original (read-only) location 481# the original (read-only) location
440sub load_path { 482sub load_path {
445 487
446# the temporary/swap location 488# the temporary/swap location
447sub save_path { 489sub save_path {
448 my ($self) = @_; 490 my ($self) = @_;
449 491
492 $self->{user_rel}
450 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path 493 ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path 494 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453} 495}
454 496
455# the unique path, might be eq to save_path 497# the unique path, undef == no special unique path
456sub uniq_path { 498sub uniq_path {
457 my ($self) = @_; 499 my ($self) = @_;
458 500
459 $self->{user_rel} || $self->{random}
460 ? undef
461 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path 501 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
462}
463
464# return random map parameters, or undef
465sub random_map_params {
466 my ($self) = @_;
467
468 $self->{random}
469} 502}
470 503
471# this is somewhat ugly, but style maps do need special treatment 504# this is somewhat ugly, but style maps do need special treatment
472sub is_style_map { 505sub is_style_map {
473 $_[0]{path} =~ m{^/styles/} 506 $_[0]{path} =~ m{^/styles/}
507}
508
509sub load_orig {
510 my ($self) = @_;
511
512 &cf::map::load_map_header ($self->load_path)
513}
514
515sub load_temp {
516 my ($self) = @_;
517
518 &cf::map::load_map_header ($self->save_path)
474} 519}
475 520
476package cf; 521package cf;
477 522
478############################################################################# 523#############################################################################
928=cut 973=cut
929 974
930sub register_extcmd { 975sub register_extcmd {
931 my ($name, $cb) = @_; 976 my ($name, $cb) = @_;
932 977
933 my $caller = caller;
934 #warn "registering extcmd '$name' to '$caller'";
935
936 $EXTCMD{$name} = [$cb, $caller]; 978 $EXTCMD{$name} = $cb;
937} 979}
938 980
939cf::player->attach ( 981cf::player->attach (
940 on_command => sub { 982 on_command => sub {
941 my ($pl, $name, $params) = @_; 983 my ($pl, $name, $params) = @_;
954 996
955 my $msg = eval { from_json $buf }; 997 my $msg = eval { from_json $buf };
956 998
957 if (ref $msg) { 999 if (ref $msg) {
958 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1000 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959 if (my %reply = $cb->[0]->($pl, $msg)) { 1001 if (my %reply = $cb->($pl, $msg)) {
960 $pl->ext_reply ($msg->{msgid}, %reply); 1002 $pl->ext_reply ($msg->{msgid}, %reply);
961 } 1003 }
962 } 1004 }
963 } else { 1005 } else {
964 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1006 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
966 1008
967 cf::override; 1009 cf::override;
968 }, 1010 },
969); 1011);
970 1012
971sub register {
972 my ($base, $pkg) = @_;
973
974 #TODO
975}
976
977sub load_extension { 1013sub load_extension {
978 my ($path) = @_; 1014 my ($path) = @_;
979 1015
980 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1016 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
981 my $base = $1; 1017 my $base = $1;
982 my $pkg = $1; 1018 my $pkg = $1;
983 $pkg =~ s/[^[:word:]]/_/g; 1019 $pkg =~ s/[^[:word:]]/_/g;
984 $pkg = "ext::$pkg"; 1020 $pkg = "ext::$pkg";
985 1021
986 warn "loading '$path' into '$pkg'\n"; 1022 warn "... loading '$path' into '$pkg'\n";
987 1023
988 open my $fh, "<:utf8", $path 1024 open my $fh, "<:utf8", $path
989 or die "$path: $!"; 1025 or die "$path: $!";
990 1026
991 my $source = 1027 my $source =
996 1032
997 eval $source 1033 eval $source
998 or die $@ ? "$path: $@\n" 1034 or die $@ ? "$path: $@\n"
999 : "extension disabled.\n"; 1035 : "extension disabled.\n";
1000 1036
1001 push @exts, $pkg; 1037 push @EXTS, $pkg;
1002 $ext_pkg{$base} = $pkg;
1003
1004# no strict 'refs';
1005# @{"$pkg\::ISA"} = ext::;
1006
1007 register $base, $pkg;
1008}
1009
1010sub unload_extension {
1011 my ($pkg) = @_;
1012
1013 warn "removing extension $pkg\n";
1014
1015 # remove hooks
1016 #TODO
1017# for my $idx (0 .. $#PLUGIN_EVENT) {
1018# delete $hook[$idx]{$pkg};
1019# }
1020
1021 # remove commands
1022 for my $name (keys %COMMAND) {
1023 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1024
1025 if (@cb) {
1026 $COMMAND{$name} = \@cb;
1027 } else {
1028 delete $COMMAND{$name};
1029 }
1030 }
1031
1032 # remove extcmds
1033 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1034 delete $EXTCMD{$name};
1035 }
1036
1037 if (my $cb = $pkg->can ("unload")) {
1038 eval {
1039 $cb->($pkg);
1040 1
1041 } or warn "$pkg unloaded, but with errors: $@";
1042 }
1043
1044 Symbol::delete_package $pkg;
1045} 1038}
1046 1039
1047sub load_extensions { 1040sub load_extensions {
1048 for my $ext (<$LIBDIR/*.ext>) { 1041 for my $ext (<$LIBDIR/*.ext>) {
1049 next unless -r $ext; 1042 next unless -r $ext;
1067}; 1060};
1068 1061
1069cf::map->attach (prio => -10000, package => cf::mapsupport::); 1062cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070 1063
1071############################################################################# 1064#############################################################################
1072# load/save perl data associated with player->ob objects
1073
1074sub all_objects(@) {
1075 @_, map all_objects ($_->inv), @_
1076}
1077
1078# TODO: compatibility cruft, remove when no longer needed
1079cf::player->attach (
1080 on_load => sub {
1081 my ($pl, $path) = @_;
1082
1083 for my $o (all_objects $pl->ob) {
1084 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1085 $o->set_ob_key_value ("_perl_data");
1086
1087 %$o = %{ Storable::thaw pack "H*", $value };
1088 }
1089 }
1090 },
1091);
1092
1093#############################################################################
1094 1065
1095=head2 CORE EXTENSIONS 1066=head2 CORE EXTENSIONS
1096 1067
1097Functions and methods that extend core crossfire objects. 1068Functions and methods that extend core crossfire objects.
1098 1069
1070=cut
1071
1072package cf::player;
1073
1074use Coro::AIO;
1075
1099=head3 cf::player 1076=head3 cf::player
1100 1077
1101=over 4 1078=over 4
1102 1079
1103=item cf::player::exists $login 1080=item cf::player::find $login
1104 1081
1105Returns true when the given account exists. 1082Returns the given player object, loading it if necessary (might block).
1106 1083
1107=cut 1084=cut
1108 1085
1109sub cf::player::exists($) { 1086sub playerdir($) {
1110 cf::player::find $_[0] 1087 cf::localdir
1111 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 1088 . "/"
1089 . cf::playerdir
1090 . "/"
1091 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1092}
1093
1094sub path($) {
1095 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1096
1097 (playerdir $login) . "/$login.pl"
1098}
1099
1100sub find_active($) {
1101 $cf::PLAYER{$_[0]}
1102 and $cf::PLAYER{$_[0]}->active
1103 and $cf::PLAYER{$_[0]}
1104}
1105
1106sub exists($) {
1107 my ($login) = @_;
1108
1109 $cf::PLAYER{$login}
1110 or cf::sync_job { !aio_stat $login }
1111}
1112
1113sub find($) {
1114 return $cf::PLAYER{$_[0]} || do {
1115 my $login = $_[0];
1116
1117 my $guard = cf::lock_acquire "user_find:$login";
1118
1119 $cf::PLAYER{$_[0]} || do {
1120 my $pl = load_pl path $login
1121 or return;
1122 $cf::PLAYER{$login} = $pl
1123 }
1124 }
1125}
1126
1127sub save($) {
1128 my ($pl) = @_;
1129
1130 return if $pl->{deny_save};
1131
1132 my $path = path $pl;
1133 my $guard = cf::lock_acquire "user_save:$path";
1134
1135 return if $pl->{deny_save};
1136
1137 aio_mkdir playerdir $pl, 0770;
1138 $pl->{last_save} = $cf::RUNTIME;
1139
1140 $pl->save_pl ($path);
1141 Coro::cede;
1142}
1143
1144sub new($) {
1145 my ($login) = @_;
1146
1147 my $self = create;
1148
1149 $self->ob->name ($login);
1150 $self->{deny_save} = 1;
1151
1152 $cf::PLAYER{$login} = $self;
1153
1154 $self
1155}
1156
1157=item $pl->quit_character
1158
1159Nukes the player without looking back. If logged in, the connection will
1160be destroyed. May block for a long time.
1161
1162=cut
1163
1164sub quit_character {
1165 my ($pl) = @_;
1166
1167 $pl->{deny_save} = 1;
1168 $pl->password ("*"); # this should lock out the player until we nuked the dir
1169
1170 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1171 $pl->deactivate;
1172 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1173 $pl->ns->destroy if $pl->ns;
1174
1175 my $path = playerdir $pl;
1176 my $temp = "$path~$cf::RUNTIME~deleting~";
1177 aio_rename $path, $temp;
1178 delete $cf::PLAYER{$pl->ob->name};
1179 $pl->destroy;
1180 IO::AIO::aio_rmtree $temp;
1181}
1182
1183=item cf::player::list_logins
1184
1185Returns am arrayref of all valid playernames in the system, can take a
1186while and may block, so not sync_job-capable, ever.
1187
1188=cut
1189
1190sub list_logins {
1191 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1192 or return [];
1193
1194 my @logins;
1195
1196 for my $login (@$dirs) {
1197 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1198 aio_read $fh, 0, 512, my $buf, 0 or next;
1199 $buf !~ /^password -------------$/m or next; # official not-valid tag
1200
1201 utf8::decode $login;
1202 push @logins, $login;
1203 }
1204
1205 \@logins
1206}
1207
1208=item $player->maps
1209
1210Returns an arrayref of cf::path's of all maps that are private for this
1211player. May block.
1212
1213=cut
1214
1215sub maps($) {
1216 my ($pl) = @_;
1217
1218 my $files = aio_readdir playerdir $pl
1219 or return;
1220
1221 my @paths;
1222
1223 for (@$files) {
1224 utf8::decode $_;
1225 next if /\.(?:pl|pst)$/;
1226 next unless /^$PATH_SEP/o;
1227
1228 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1229 }
1230
1231 \@paths
1112} 1232}
1113 1233
1114=item $player->ext_reply ($msgid, $msgtype, %msg) 1234=item $player->ext_reply ($msgid, $msgtype, %msg)
1115 1235
1116Sends an ext reply to the player. 1236Sends an ext reply to the player.
1117 1237
1118=cut 1238=cut
1119 1239
1120sub cf::player::ext_reply($$$%) { 1240sub ext_reply($$$%) {
1121 my ($self, $id, %msg) = @_; 1241 my ($self, $id, %msg) = @_;
1122 1242
1123 $msg{msgid} = $id; 1243 $msg{msgid} = $id;
1124 1244
1125 $self->send ("ext " . to_json \%msg); 1245 $self->send ("ext " . cf::to_json \%msg);
1126} 1246}
1247
1248package cf;
1127 1249
1128=back 1250=back
1129 1251
1130 1252
1131=head3 cf::map 1253=head3 cf::map
1137package cf::map; 1259package cf::map;
1138 1260
1139use Fcntl; 1261use Fcntl;
1140use Coro::AIO; 1262use Coro::AIO;
1141 1263
1142our $MAX_RESET = 7200; 1264our $MAX_RESET = 3600;
1143our $DEFAULT_RESET = 3600; 1265our $DEFAULT_RESET = 3000;
1144 1266
1145sub generate_random_map { 1267sub generate_random_map {
1146 my ($path, $rmp) = @_; 1268 my ($path, $rmp) = @_;
1147 1269
1148 # mit "rum" bekleckern, nicht 1270 # mit "rum" bekleckern, nicht
1149 cf::map::_create_random_map 1271 cf::map::_create_random_map (
1150 $path, 1272 $path,
1151 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1273 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1274 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1275 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154 $rmp->{exit_on_final_map}, 1276 $rmp->{exit_on_final_map},
1156 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1278 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1279 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1280 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1281 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1282 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161 (cf::region::find $rmp->{region}) 1283 (cf::region::find $rmp->{region}), $rmp->{custom}
1284 )
1162} 1285}
1163 1286
1164# and all this just because we cannot iterate over 1287# and all this just because we cannot iterate over
1165# all maps in C++... 1288# all maps in C++...
1166sub change_all_map_light { 1289sub change_all_map_light {
1168 1291
1169 $_->change_map_light ($change) 1292 $_->change_map_light ($change)
1170 for grep $_->outdoor, values %cf::MAP; 1293 for grep $_->outdoor, values %cf::MAP;
1171} 1294}
1172 1295
1173sub try_load_header($) { 1296sub load_map_header($) {
1174 my ($path) = @_; 1297 my ($path) = @_;
1175 1298
1176 utf8::encode $path; 1299 utf8::encode $path;
1177 aio_open $path, O_RDONLY, 0 1300 aio_open $path, O_RDONLY, 0
1178 or return; 1301 or return;
1179 1302
1180 my $map = cf::map::new 1303 my $map = cf::map::new
1181 or return; 1304 or return;
1182 1305
1306 # for better error messages only, will be overwritten later
1307 $map->path ($path);
1308
1183 $map->load_header ($path) 1309 $map->load_header ($path)
1184 or return; 1310 or return;
1185 1311
1186 $map->{load_path} = $path; 1312 $map->{load_path} = $path;
1187 1313
1188 $map 1314 $map
1189} 1315}
1190 1316
1191sub find_map; 1317sub find;
1192sub find_map { 1318sub find {
1193 my ($path, $origin) = @_; 1319 my ($path, $origin) = @_;
1194 1320
1195 #warn "find_map<$path,$origin>\n";#d# 1321 #warn "find<$path,$origin>\n";#d#
1196 1322
1197 $path = new cf::path $path, $origin && $origin->path; 1323 $path = new cf::path $path, $origin && $origin->path;
1198 my $key = $path->as_string; 1324 my $key = $path->as_string;
1199 1325
1200 cf::lock_wait "map_find:$key"; 1326 cf::lock_wait "map_find:$key";
1201 1327
1202 $cf::MAP{$key} || do { 1328 $cf::MAP{$key} || do {
1203 my $guard = cf::lock_acquire "map_find:$key"; 1329 my $guard = cf::lock_acquire "map_find:$key";
1204 1330
1205 # do it the slow way 1331 # do it the slow way
1206 my $map = try_load_header $path->save_path; 1332 my $map = $path->load_temp;
1333
1334 Coro::cede;
1207 1335
1208 if ($map) { 1336 if ($map) {
1337 $map->last_access ((delete $map->{last_access})
1338 || $cf::RUNTIME); #d#
1209 # safety 1339 # safety
1210 $map->{instantiate_time} = $cf::RUNTIME 1340 $map->{instantiate_time} = $cf::RUNTIME
1211 if $map->{instantiate_time} > $cf::RUNTIME; 1341 if $map->{instantiate_time} > $cf::RUNTIME;
1212 } else { 1342 } else {
1213 if (my $rmp = $path->random_map_params) { 1343 $map = $path->load_orig
1214 $map = generate_random_map $key, $rmp;
1215 } else {
1216 $map = try_load_header $path->load_path;
1217 }
1218
1219 $map or return; 1344 or return;
1220 1345
1221 $map->{load_original} = 1; 1346 $map->{load_original} = 1;
1222 $map->{instantiate_time} = $cf::RUNTIME; 1347 $map->{instantiate_time} = $cf::RUNTIME;
1348 $map->last_access ($cf::RUNTIME);
1223 $map->instantiate; 1349 $map->instantiate;
1224 1350
1225 # per-player maps become, after loading, normal maps 1351 # per-player maps become, after loading, normal maps
1226 $map->per_player (0) if $path->{user_rel}; 1352 $map->per_player (0) if $path->{user_rel};
1227 } 1353 }
1228 1354
1229 $map->path ($key); 1355 $map->path ($key);
1230 $map->{path} = $path; 1356 $map->{path} = $path;
1231 $map->{last_save} = $cf::RUNTIME; 1357 $map->{last_save} = $cf::RUNTIME;
1232 $map->last_access ($cf::RUNTIME); 1358
1359 Coro::cede;
1233 1360
1234 if ($map->should_reset) { 1361 if ($map->should_reset) {
1235 $map->reset; 1362 $map->reset;
1236 undef $guard; 1363 undef $guard;
1237 $map = find_map $path 1364 $map = find $path
1238 or return; 1365 or return;
1239 } 1366 }
1240 1367
1241 $cf::MAP{$key} = $map 1368 $cf::MAP{$key} = $map
1242 } 1369 }
1264 if (aio_open $uniq, O_RDONLY, 0) { 1391 if (aio_open $uniq, O_RDONLY, 0) {
1265 $self->clear_unique_items; 1392 $self->clear_unique_items;
1266 $self->load_objects ($uniq, 0); 1393 $self->load_objects ($uniq, 0);
1267 } 1394 }
1268 } 1395 }
1396
1397 Coro::cede;
1269 1398
1270 # now do the right thing for maps 1399 # now do the right thing for maps
1271 $self->link_multipart_objects; 1400 $self->link_multipart_objects;
1272 1401
1273 if ($self->{path}->is_style_map) { 1402 if ($self->{path}->is_style_map) {
1281 $self->difficulty ($self->estimate_difficulty) 1410 $self->difficulty ($self->estimate_difficulty)
1282 unless $self->difficulty; 1411 unless $self->difficulty;
1283 $self->activate; 1412 $self->activate;
1284 } 1413 }
1285 1414
1415 Coro::cede;
1416
1286 $self->in_memory (cf::MAP_IN_MEMORY); 1417 $self->in_memory (cf::MAP_IN_MEMORY);
1287} 1418}
1288 1419
1289sub load_map_sync { 1420# find and load all maps in the 3x3 area around a map
1421sub load_diag {
1422 my ($map) = @_;
1423
1424 my @diag; # diagonal neighbours
1425
1426 for (0 .. 3) {
1427 my $neigh = $map->tile_path ($_)
1428 or next;
1429 $neigh = find $neigh, $map
1430 or next;
1431 $neigh->load;
1432
1433 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1434 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1435 }
1436
1437 for (@diag) {
1438 my $neigh = find @$_
1439 or next;
1440 $neigh->load;
1441 }
1442}
1443
1444sub find_sync {
1290 my ($path, $origin) = @_; 1445 my ($path, $origin) = @_;
1291 1446
1292 #warn "load_map_sync<$path, $origin>\n";#d# 1447 cf::sync_job { find $path, $origin }
1448}
1293 1449
1294 cf::sync_job { 1450sub do_load_sync {
1295 my $map = cf::map::find_map $path, $origin 1451 my ($map) = @_;
1452
1453 cf::sync_job { $map->load };
1454}
1455
1456our %MAP_PREFETCH;
1457our $MAP_PREFETCHER = Coro::async {
1458 while () {
1459 while (%MAP_PREFETCH) {
1460 my $key = each %MAP_PREFETCH
1296 or return; 1461 or next;
1462 my $path = delete $MAP_PREFETCH{$key};
1463
1464 my $map = find $path
1465 or next;
1297 $map->load; 1466 $map->load;
1298 $map 1467 }
1468 Coro::schedule;
1299 } 1469 }
1470};
1471
1472sub find_async {
1473 my ($path, $origin) = @_;
1474
1475 $path = new cf::path $path, $origin && $origin->path;
1476 my $key = $path->as_string;
1477
1478 if (my $map = $cf::MAP{$key}) {
1479 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1480 }
1481
1482 $MAP_PREFETCH{$key} = $path;
1483 $MAP_PREFETCHER->ready;
1484
1485 ()
1300} 1486}
1301 1487
1302sub save { 1488sub save {
1303 my ($self) = @_; 1489 my ($self) = @_;
1304 1490
1491 my $lock = cf::lock_acquire "map_data:" . $self->path;
1492
1305 $self->{last_save} = $cf::RUNTIME; 1493 $self->{last_save} = $cf::RUNTIME;
1306 1494
1307 return unless $self->dirty; 1495 return unless $self->dirty;
1308 1496
1309 my $save = $self->{path}->save_path; utf8::encode $save; 1497 my $save = $self->{path}->save_path; utf8::encode $save;
1310 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1498 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1311 1499
1312 $self->{load_path} = $save; 1500 $self->{load_path} = $save;
1313 1501
1314 return if $self->{deny_save}; 1502 return if $self->{deny_save};
1503
1504 local $self->{last_access} = $self->last_access;#d#
1505
1506 cf::async {
1507 $_->contr->save for $self->players;
1508 };
1315 1509
1316 if ($uniq) { 1510 if ($uniq) {
1317 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1511 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318 $self->save_objects ($uniq, cf::IO_UNIQUES); 1512 $self->save_objects ($uniq, cf::IO_UNIQUES);
1319 } else { 1513 } else {
1325 my ($self) = @_; 1519 my ($self) = @_;
1326 1520
1327 # save first because save cedes 1521 # save first because save cedes
1328 $self->save; 1522 $self->save;
1329 1523
1524 my $lock = cf::lock_acquire "map_data:" . $self->path;
1525
1330 return if $self->players; 1526 return if $self->players;
1331 return if $self->in_memory != cf::MAP_IN_MEMORY; 1527 return if $self->in_memory != cf::MAP_IN_MEMORY;
1332 return if $self->{deny_save}; 1528 return if $self->{deny_save};
1333 1529
1334 $self->clear; 1530 $self->clear;
1376} 1572}
1377 1573
1378sub reset { 1574sub reset {
1379 my ($self) = @_; 1575 my ($self) = @_;
1380 1576
1577 my $lock = cf::lock_acquire "map_data:" . $self->path;
1578
1381 return if $self->players; 1579 return if $self->players;
1382 return if $self->{path}{user_rel};#d# 1580 return if $self->{path}{user_rel};#d#
1383 1581
1384 warn "resetting map ", $self->path;#d# 1582 warn "resetting map ", $self->path;#d#
1385 1583
1404 1602
1405sub customise_for { 1603sub customise_for {
1406 my ($map, $ob) = @_; 1604 my ($map, $ob) = @_;
1407 1605
1408 if ($map->per_player) { 1606 if ($map->per_player) {
1409 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1607 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1410 } 1608 }
1411 1609
1412 $map 1610 $map
1413} 1611}
1414 1612
1415sub emergency_save { 1613=item cf::map::unique_maps
1416 local $cf::FREEZE = 1;
1417 1614
1418 warn "enter emergency map save\n"; 1615Returns an arrayref of cf::path's of all shared maps that have
1616instantiated unique items. May block.
1419 1617
1420 cf::sync_job { 1618=cut
1421 warn "begin emergency map save\n"; 1619
1422 $_->save for values %cf::MAP; 1620sub unique_maps() {
1621 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1622 or return;
1623
1624 my @paths;
1625
1626 for (@$files) {
1627 utf8::decode $_;
1628 next if /\.pst$/;
1629 next unless /^$PATH_SEP/o;
1630
1631 push @paths, new cf::path $_;
1423 }; 1632 }
1424 1633
1425 warn "end emergency map save\n"; 1634 \@paths
1426} 1635}
1427 1636
1428package cf; 1637package cf;
1429 1638
1430=back 1639=back
1431 1640
1641=head3 cf::object
1642
1643=cut
1644
1645package cf::object;
1646
1647=over 4
1648
1649=item $ob->inv_recursive
1650
1651Returns the inventory of the object _and_ their inventories, recursively.
1652
1653=cut
1654
1655sub inv_recursive_;
1656sub inv_recursive_ {
1657 map { $_, inv_recursive_ $_->inv } @_
1658}
1659
1660sub inv_recursive {
1661 inv_recursive_ inv $_[0]
1662}
1663
1664package cf;
1665
1666=back
1432 1667
1433=head3 cf::object::player 1668=head3 cf::object::player
1434 1669
1435=over 4 1670=over 4
1436 1671
1511 my $link_pos = delete $self->{_link_pos}; 1746 my $link_pos = delete $self->{_link_pos};
1512 1747
1513 unless ($map) { 1748 unless ($map) {
1514 # restore original map position 1749 # restore original map position
1515 ($map, $x, $y) = @{ $link_pos || [] }; 1750 ($map, $x, $y) = @{ $link_pos || [] };
1516 $map = cf::map::find_map $map; 1751 $map = cf::map::find $map;
1517 1752
1518 unless ($map) { 1753 unless ($map) {
1519 ($map, $x, $y) = @$EMERGENCY_POSITION; 1754 ($map, $x, $y) = @$EMERGENCY_POSITION;
1520 $map = cf::map::find_map $map 1755 $map = cf::map::find $map
1521 or die "FATAL: cannot load emergency map\n"; 1756 or die "FATAL: cannot load emergency map\n";
1522 } 1757 }
1523 } 1758 }
1524 1759
1525 ($x, $y) = (-1, -1) 1760 ($x, $y) = (-1, -1)
1528 # use -1 or undef as default coordinates, not 0, 0 1763 # use -1 or undef as default coordinates, not 0, 0
1529 ($x, $y) = ($map->enter_x, $map->enter_y) 1764 ($x, $y) = ($map->enter_x, $map->enter_y)
1530 if $x <=0 && $y <= 0; 1765 if $x <=0 && $y <= 0;
1531 1766
1532 $map->load; 1767 $map->load;
1768 $map->load_diag;
1533 1769
1770 return unless $self->contr->active;
1534 $self->activate_recursive; 1771 $self->activate_recursive;
1535 $self->enter_map ($map, $x, $y); 1772 $self->enter_map ($map, $x, $y);
1536} 1773}
1537 1774
1538cf::player->attach ( 1775cf::player->attach (
1551 1788
1552 # try to abort aborted map switching on player login :) 1789 # try to abort aborted map switching on player login :)
1553 # should happen only on crashes 1790 # should happen only on crashes
1554 if ($pl->ob->{_link_pos}) { 1791 if ($pl->ob->{_link_pos}) {
1555 $pl->ob->enter_link; 1792 $pl->ob->enter_link;
1556 cf::async { 1793 (async {
1557 # we need this sleep as the login has a concurrent enter_exit running 1794 # we need this sleep as the login has a concurrent enter_exit running
1558 # and this sleep increases chances of the player not ending up in scorn 1795 # and this sleep increases chances of the player not ending up in scorn
1796 $pl->ob->reply (undef,
1797 "There was an internal problem at your last logout, "
1798 . "the server will try to bring you to your intended destination in a second.",
1799 cf::NDI_RED);
1559 Coro::Timer::sleep 1; 1800 Coro::Timer::sleep 1;
1560 $pl->ob->leave_link; 1801 $pl->ob->leave_link;
1561 }; 1802 })->prio (2);
1562 } 1803 }
1563 }, 1804 },
1564); 1805);
1565 1806
1566=item $player_object->goto_map ($path, $x, $y) 1807=item $player_object->goto ($path, $x, $y)
1567 1808
1568=cut 1809=cut
1569 1810
1570sub cf::object::player::goto_map { 1811sub cf::object::player::goto {
1571 my ($self, $path, $x, $y) = @_; 1812 my ($self, $path, $x, $y) = @_;
1572 1813
1814 $path = new cf::path $path;
1815
1573 $self->enter_link; 1816 $self->enter_link;
1574 1817
1575 (cf::async { 1818 (async {
1576 $path = new cf::path $path;
1577
1578 my $map = cf::map::find_map $path->as_string; 1819 my $map = cf::map::find $path->as_string;
1579 $map = $map->customise_for ($self) if $map; 1820 $map = $map->customise_for ($self) if $map;
1580 1821
1581# warn "entering ", $map->path, " at ($x, $y)\n" 1822# warn "entering ", $map->path, " at ($x, $y)\n"
1582# if $map; 1823# if $map;
1583 1824
1584 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1825 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1585 1826
1586 $self->leave_link ($map, $x, $y); 1827 $self->leave_link ($map, $x, $y);
1587 })->prio (1); 1828 })->prio (1);
1588} 1829}
1589 1830
1642 1883
1643 return unless $self->type == cf::PLAYER; 1884 return unless $self->type == cf::PLAYER;
1644 1885
1645 $self->enter_link; 1886 $self->enter_link;
1646 1887
1647 (cf::async { 1888 (async {
1889 $self->deactivate_recursive; # just to be sure
1648 unless (eval { 1890 unless (eval {
1649 prepare_random_map $exit 1891 prepare_random_map $exit
1650 if $exit->slaying eq "/!"; 1892 if $exit->slaying eq "/!";
1651 1893
1652 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1894 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1653 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1895 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1654 1896
1655 1; 1897 1;
1656 }) { 1898 }) {
1657 $self->message ("Something went wrong deep within the crossfire server. " 1899 $self->message ("Something went wrong deep within the crossfire server. "
1658 . "I'll try to bring you back to the map you were before. " 1900 . "I'll try to bring you back to the map you were before. "
1659 . "Please report this to the dungeon master", 1901 . "Please report this to the dungeon master!",
1660 cf::NDI_UNIQUE | cf::NDI_RED); 1902 cf::NDI_UNIQUE | cf::NDI_RED);
1661 1903
1662 warn "ERROR in enter_exit: $@"; 1904 warn "ERROR in enter_exit: $@";
1663 $self->leave_link; 1905 $self->leave_link;
1664 } 1906 }
1732 } 1974 }
1733 } 1975 }
1734 }, 1976 },
1735); 1977);
1736 1978
1737=item $client->coro (\&cb) 1979=item $client->async (\&cb)
1738 1980
1739Create a new coroutine, running the specified callback. The coroutine will 1981Create a new coroutine, running the specified callback. The coroutine will
1740be automatically cancelled when the client gets destroyed (e.g. on logout, 1982be automatically cancelled when the client gets destroyed (e.g. on logout,
1741or loss of connection). 1983or loss of connection).
1742 1984
1743=cut 1985=cut
1744 1986
1745sub cf::client::coro { 1987sub cf::client::async {
1746 my ($self, $cb) = @_; 1988 my ($self, $cb) = @_;
1747 1989
1748 my $coro = &cf::async ($cb); 1990 my $coro = &Coro::async ($cb);
1749 1991
1750 $coro->on_destroy (sub { 1992 $coro->on_destroy (sub {
1751 delete $self->{_coro}{$coro+0}; 1993 delete $self->{_coro}{$coro+0};
1752 }); 1994 });
1753 1995
1988 open my $fh, "<:utf8", cf::confdir . "/config" 2230 open my $fh, "<:utf8", cf::confdir . "/config"
1989 or return; 2231 or return;
1990 2232
1991 local $/; 2233 local $/;
1992 *CFG = YAML::Syck::Load <$fh>; 2234 *CFG = YAML::Syck::Load <$fh>;
2235
2236 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2237
2238 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2239 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2240
2241 if (exists $CFG{mlockall}) {
2242 eval {
2243 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2244 and die "WARNING: m(un)lockall failed: $!\n";
2245 };
2246 warn $@ if $@;
2247 }
1993} 2248}
1994 2249
1995sub main { 2250sub main {
1996 # we must not ever block the main coroutine 2251 # we must not ever block the main coroutine
1997 local $Coro::idle = sub { 2252 local $Coro::idle = sub {
1998 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2253 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1999 (Coro::unblock_sub {
2000 Event::one_event; 2254 async { Event::one_event };
2001 })->();
2002 }; 2255 };
2003 2256
2004 cfg_load; 2257 cfg_load;
2005 db_load; 2258 db_load;
2006 load_extensions; 2259 load_extensions;
2007 Event::loop; 2260 Event::loop;
2008} 2261}
2009 2262
2010############################################################################# 2263#############################################################################
2011# initialisation 2264# initialisation and cleanup
2265
2266# install some emergency cleanup handlers
2267BEGIN {
2268 for my $signal (qw(INT HUP TERM)) {
2269 Event->signal (
2270 data => WF_AUTOCANCEL,
2271 signal => $signal,
2272 cb => sub {
2273 cf::cleanup "SIG$signal";
2274 },
2275 );
2276 }
2277}
2278
2279sub emergency_save() {
2280 my $freeze_guard = cf::freeze_mainloop;
2281
2282 warn "enter emergency perl save\n";
2283
2284 cf::sync_job {
2285 # use a peculiar iteration method to avoid tripping on perl
2286 # refcount bugs in for. also avoids problems with players
2287 # and maps saved/Destroyed asynchronously.
2288 warn "begin emergency player save\n";
2289 for my $login (keys %cf::PLAYER) {
2290 my $pl = $cf::PLAYER{$login} or next;
2291 $pl->valid or next;
2292 $pl->save;
2293 }
2294 warn "end emergency player save\n";
2295
2296 warn "begin emergency map save\n";
2297 for my $path (keys %cf::MAP) {
2298 my $map = $cf::MAP{$path} or next;
2299 $map->valid or next;
2300 $map->save;
2301 }
2302 warn "end emergency map save\n";
2303 };
2304
2305 warn "leave emergency perl save\n";
2306}
2012 2307
2013sub reload() { 2308sub reload() {
2014 # can/must only be called in main 2309 # can/must only be called in main
2015 if ($Coro::current != $Coro::main) { 2310 if ($Coro::current != $Coro::main) {
2016 warn "can only reload from main coroutine\n"; 2311 warn "can only reload from main coroutine\n";
2017 return; 2312 return;
2018 } 2313 }
2019 2314
2020 warn "reloading..."; 2315 warn "reloading...";
2021 2316
2022 local $FREEZE = 1; 2317 warn "freezing server";
2318 my $guard = freeze_mainloop;
2023 cf::emergency_save; 2319 cf::emergency_save;
2320
2321 warn "sync database to disk";
2322 cf::db_sync;
2323 IO::AIO::flush;
2024 2324
2025 eval { 2325 eval {
2026 # if anything goes wrong in here, we should simply crash as we already saved 2326 # if anything goes wrong in here, we should simply crash as we already saved
2027 2327
2028 # cancel all watchers 2328 warn "cancel all watchers";
2029 for (Event::all_watchers) { 2329 for (Event::all_watchers) {
2030 $_->cancel if $_->data & WF_AUTOCANCEL; 2330 $_->cancel if $_->data & WF_AUTOCANCEL;
2031 } 2331 }
2032 2332
2033 # cancel all extension coros 2333 warn "cancel all extension coros";
2034 $_->cancel for values %EXT_CORO; 2334 $_->cancel for values %EXT_CORO;
2035 %EXT_CORO = (); 2335 %EXT_CORO = ();
2036 2336
2337 warn "remove commands";
2338 %COMMAND = ();
2339
2340 warn "remove ext commands";
2341 %EXTCMD = ();
2342
2037 # unload all extensions 2343 warn "unload/nuke all extensions";
2038 for (@exts) { 2344 for my $pkg (@EXTS) {
2039 warn "unloading <$_>"; 2345 warn "... unloading $pkg";
2040 unload_extension $_; 2346
2347 if (my $cb = $pkg->can ("unload")) {
2348 eval {
2349 $cb->($pkg);
2350 1
2351 } or warn "$pkg unloaded, but with errors: $@";
2041 } 2352 }
2042 2353
2354 warn "... nuking $pkg";
2355 Symbol::delete_package $pkg;
2356 }
2357
2043 # unload all modules loaded from $LIBDIR 2358 warn "unload all perl modules loaded from $LIBDIR";
2044 while (my ($k, $v) = each %INC) { 2359 while (my ($k, $v) = each %INC) {
2045 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2046 2361
2047 warn "removing <$k>"; 2362 warn "removing <$k>";
2048 delete $INC{$k}; 2363 delete $INC{$k};
2055 } 2370 }
2056 2371
2057 Symbol::delete_package $k; 2372 Symbol::delete_package $k;
2058 } 2373 }
2059 2374
2060 # sync database to disk
2061 cf::db_sync;
2062 IO::AIO::flush;
2063
2064 # get rid of safe::, as good as possible 2375 warn "get rid of safe::, as good as possible";
2065 Symbol::delete_package "safe::$_" 2376 Symbol::delete_package "safe::$_"
2066 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2377 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2067 2378
2068 # remove register_script_function callbacks
2069 # TODO
2070
2071 # unload cf.pm "a bit" 2379 warn "unload cf.pm \"a bit\"";
2072 delete $INC{"cf.pm"}; 2380 delete $INC{"cf.pm"};
2073 2381
2074 # don't, removes xs symbols, too, 2382 # don't, removes xs symbols, too,
2075 # and global variables created in xs 2383 # and global variables created in xs
2076 #Symbol::delete_package __PACKAGE__; 2384 #Symbol::delete_package __PACKAGE__;
2077 2385
2078 # reload cf.pm
2079 warn "reloading cf.pm"; 2386 warn "reloading cf.pm";
2080 require cf; 2387 require cf;
2081 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2082 2389
2083 # load config and database again 2390 warn "load config and database again";
2084 cf::cfg_load; 2391 cf::cfg_load;
2085 cf::db_load; 2392 cf::db_load;
2086 2393
2087 # load extensions
2088 warn "load extensions"; 2394 warn "load extensions";
2089 cf::load_extensions; 2395 cf::load_extensions;
2090 2396
2091 # reattach attachments to objects 2397 warn "reattach attachments to objects/players";
2092 warn "reattach";
2093 _global_reattach; 2398 _global_reattach;
2399 warn "reattach attachments to maps";
2400 reattach $_ for values %MAP;
2094 }; 2401 };
2095 2402
2096 if ($@) { 2403 if ($@) {
2097 warn $@; 2404 warn $@;
2098 warn "error while reloading, exiting."; 2405 warn "error while reloading, exiting.";
2099 exit 1; 2406 exit 1;
2100 } 2407 }
2101 2408
2102 warn "reloaded successfully"; 2409 warn "reloaded";
2103}; 2410};
2104 2411
2105############################################################################# 2412#############################################################################
2106 2413
2107unless ($LINK_MAP) { 2414unless ($LINK_MAP) {
2114 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2421 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2115 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2422 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2116 2423
2117 # dirty hack because... archetypes are not yet loaded 2424 # dirty hack because... archetypes are not yet loaded
2118 Event->timer ( 2425 Event->timer (
2119 after => 2, 2426 after => 10,
2120 cb => sub { 2427 cb => sub {
2121 $_[0]->w->cancel; 2428 $_[0]->w->cancel;
2122 2429
2123 # provide some exits "home" 2430 # provide some exits "home"
2124 my $exit = cf::object::new "exit"; 2431 my $exit = cf::object::new "exit";
2143 $LINK_MAP->{deny_reset} = 1; 2450 $LINK_MAP->{deny_reset} = 1;
2144 2451
2145 $cf::MAP{$LINK_MAP->path} = $LINK_MAP; 2452 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2146} 2453}
2147 2454
2148register "<global>", __PACKAGE__;
2149
2150register_command "reload" => sub { 2455register_command "reload" => sub {
2151 my ($who, $arg) = @_; 2456 my ($who, $arg) = @_;
2152 2457
2153 if ($who->flag (FLAG_WIZ)) { 2458 if ($who->flag (FLAG_WIZ)) {
2154 $who->message ("start of reload."); 2459 $who->message ("start of reload.");
2163 reentrant => 0, 2468 reentrant => 0,
2164 prio => 0, 2469 prio => 0,
2165 at => $NEXT_TICK || $TICK, 2470 at => $NEXT_TICK || $TICK,
2166 data => WF_AUTOCANCEL, 2471 data => WF_AUTOCANCEL,
2167 cb => sub { 2472 cb => sub {
2168 unless ($FREEZE) { 2473 $NOW = Event::time;
2474
2169 cf::server_tick; # one server iteration 2475 cf::server_tick; # one server iteration
2170 $RUNTIME += $TICK; 2476 $RUNTIME += $TICK;
2171 }
2172
2173 $NEXT_TICK += $TICK; 2477 $NEXT_TICK += $TICK;
2478
2479 $WAIT_FOR_TICK->broadcast;
2480 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2174 2481
2175 # if we are delayed by four ticks or more, skip them all 2482 # if we are delayed by four ticks or more, skip them all
2176 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2483 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2177 2484
2178 $TICK_WATCHER->at ($NEXT_TICK); 2485 $TICK_WATCHER->at ($NEXT_TICK);

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