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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.128 by root, Wed Jan 3 00:28:47 2007 UTC vs.
Revision 1.164 by root, Thu Jan 11 01:24:25 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 ($self->save_path)
519}
520
521sub unlink_save {
522 my ($self) = @_;
523
524 utf8::encode (my $save = $self->save_path);
525 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;
526 IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";
474} 527}
475 528
476package cf; 529package cf;
477 530
478############################################################################# 531#############################################################################
928=cut 981=cut
929 982
930sub register_extcmd { 983sub register_extcmd {
931 my ($name, $cb) = @_; 984 my ($name, $cb) = @_;
932 985
933 my $caller = caller;
934 #warn "registering extcmd '$name' to '$caller'";
935
936 $EXTCMD{$name} = [$cb, $caller]; 986 $EXTCMD{$name} = $cb;
937} 987}
938 988
939cf::player->attach ( 989cf::player->attach (
940 on_command => sub { 990 on_command => sub {
941 my ($pl, $name, $params) = @_; 991 my ($pl, $name, $params) = @_;
954 1004
955 my $msg = eval { from_json $buf }; 1005 my $msg = eval { from_json $buf };
956 1006
957 if (ref $msg) { 1007 if (ref $msg) {
958 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1008 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959 if (my %reply = $cb->[0]->($pl, $msg)) { 1009 if (my %reply = $cb->($pl, $msg)) {
960 $pl->ext_reply ($msg->{msgid}, %reply); 1010 $pl->ext_reply ($msg->{msgid}, %reply);
961 } 1011 }
962 } 1012 }
963 } else { 1013 } else {
964 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1014 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
966 1016
967 cf::override; 1017 cf::override;
968 }, 1018 },
969); 1019);
970 1020
971sub register {
972 my ($base, $pkg) = @_;
973
974 #TODO
975}
976
977sub load_extension { 1021sub load_extension {
978 my ($path) = @_; 1022 my ($path) = @_;
979 1023
980 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1024 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
981 my $base = $1; 1025 my $base = $1;
982 my $pkg = $1; 1026 my $pkg = $1;
983 $pkg =~ s/[^[:word:]]/_/g; 1027 $pkg =~ s/[^[:word:]]/_/g;
984 $pkg = "ext::$pkg"; 1028 $pkg = "ext::$pkg";
985 1029
986 warn "loading '$path' into '$pkg'\n"; 1030 warn "... loading '$path' into '$pkg'\n";
987 1031
988 open my $fh, "<:utf8", $path 1032 open my $fh, "<:utf8", $path
989 or die "$path: $!"; 1033 or die "$path: $!";
990 1034
991 my $source = 1035 my $source =
996 1040
997 eval $source 1041 eval $source
998 or die $@ ? "$path: $@\n" 1042 or die $@ ? "$path: $@\n"
999 : "extension disabled.\n"; 1043 : "extension disabled.\n";
1000 1044
1001 push @exts, $pkg; 1045 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} 1046}
1046 1047
1047sub load_extensions { 1048sub load_extensions {
1048 for my $ext (<$LIBDIR/*.ext>) { 1049 for my $ext (<$LIBDIR/*.ext>) {
1049 next unless -r $ext; 1050 next unless -r $ext;
1067}; 1068};
1068 1069
1069cf::map->attach (prio => -10000, package => cf::mapsupport::); 1070cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070 1071
1071############################################################################# 1072#############################################################################
1072# load/save perl data associated with player->ob objects
1073
1074sub all_objects(@) {
1075 @_, map all_objects ($_->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 1073
1095=head2 CORE EXTENSIONS 1074=head2 CORE EXTENSIONS
1096 1075
1097Functions and methods that extend core crossfire objects. 1076Functions and methods that extend core crossfire objects.
1098 1077
1078=cut
1079
1080package cf::player;
1081
1082use Coro::AIO;
1083
1099=head3 cf::player 1084=head3 cf::player
1100 1085
1101=over 4 1086=over 4
1102 1087
1103=item cf::player::exists $login 1088=item cf::player::find $login
1104 1089
1105Returns true when the given account exists. 1090Returns the given player object, loading it if necessary (might block).
1106 1091
1107=cut 1092=cut
1108 1093
1109sub cf::player::exists($) { 1094sub playerdir($) {
1110 cf::player::find $_[0] 1095 cf::localdir
1111 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 1096 . "/"
1097 . cf::playerdir
1098 . "/"
1099 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1100}
1101
1102sub path($) {
1103 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1104
1105 (playerdir $login) . "/$login.pl"
1106}
1107
1108sub find_active($) {
1109 $cf::PLAYER{$_[0]}
1110 and $cf::PLAYER{$_[0]}->active
1111 and $cf::PLAYER{$_[0]}
1112}
1113
1114sub exists($) {
1115 my ($login) = @_;
1116
1117 $cf::PLAYER{$login}
1118 or cf::sync_job { !aio_stat $login }
1119}
1120
1121sub find($) {
1122 return $cf::PLAYER{$_[0]} || do {
1123 my $login = $_[0];
1124
1125 my $guard = cf::lock_acquire "user_find:$login";
1126
1127 $cf::PLAYER{$_[0]} || do {
1128 my $pl = load_pl path $login
1129 or return;
1130 $cf::PLAYER{$login} = $pl
1131 }
1132 }
1133}
1134
1135sub save($) {
1136 my ($pl) = @_;
1137
1138 return if $pl->{deny_save};
1139
1140 my $path = path $pl;
1141 my $guard = cf::lock_acquire "user_save:$path";
1142
1143 return if $pl->{deny_save};
1144
1145 aio_mkdir playerdir $pl, 0770;
1146 $pl->{last_save} = $cf::RUNTIME;
1147
1148 $pl->save_pl ($path);
1149 Coro::cede;
1150}
1151
1152sub new($) {
1153 my ($login) = @_;
1154
1155 my $self = create;
1156
1157 $self->ob->name ($login);
1158 $self->{deny_save} = 1;
1159
1160 $cf::PLAYER{$login} = $self;
1161
1162 $self
1163}
1164
1165=item $pl->quit_character
1166
1167Nukes the player without looking back. If logged in, the connection will
1168be destroyed. May block for a long time.
1169
1170=cut
1171
1172sub quit_character {
1173 my ($pl) = @_;
1174
1175 $pl->{deny_save} = 1;
1176 $pl->password ("*"); # this should lock out the player until we nuked the dir
1177
1178 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1179 $pl->deactivate;
1180 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1181 $pl->ns->destroy if $pl->ns;
1182
1183 my $path = playerdir $pl;
1184 my $temp = "$path~$cf::RUNTIME~deleting~";
1185 aio_rename $path, $temp;
1186 delete $cf::PLAYER{$pl->ob->name};
1187 $pl->destroy;
1188 IO::AIO::aio_rmtree $temp;
1189}
1190
1191=item cf::player::list_logins
1192
1193Returns am arrayref of all valid playernames in the system, can take a
1194while and may block, so not sync_job-capable, ever.
1195
1196=cut
1197
1198sub list_logins {
1199 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1200 or return [];
1201
1202 my @logins;
1203
1204 for my $login (@$dirs) {
1205 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1206 aio_read $fh, 0, 512, my $buf, 0 or next;
1207 $buf !~ /^password -------------$/m or next; # official not-valid tag
1208
1209 utf8::decode $login;
1210 push @logins, $login;
1211 }
1212
1213 \@logins
1214}
1215
1216=item $player->maps
1217
1218Returns an arrayref of cf::path's of all maps that are private for this
1219player. May block.
1220
1221=cut
1222
1223sub maps($) {
1224 my ($pl) = @_;
1225
1226 my $files = aio_readdir playerdir $pl
1227 or return;
1228
1229 my @paths;
1230
1231 for (@$files) {
1232 utf8::decode $_;
1233 next if /\.(?:pl|pst)$/;
1234 next unless /^$PATH_SEP/o;
1235
1236 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1237 }
1238
1239 \@paths
1112} 1240}
1113 1241
1114=item $player->ext_reply ($msgid, $msgtype, %msg) 1242=item $player->ext_reply ($msgid, $msgtype, %msg)
1115 1243
1116Sends an ext reply to the player. 1244Sends an ext reply to the player.
1117 1245
1118=cut 1246=cut
1119 1247
1120sub cf::player::ext_reply($$$%) { 1248sub ext_reply($$$%) {
1121 my ($self, $id, %msg) = @_; 1249 my ($self, $id, %msg) = @_;
1122 1250
1123 $msg{msgid} = $id; 1251 $msg{msgid} = $id;
1124 1252
1125 $self->send ("ext " . to_json \%msg); 1253 $self->send ("ext " . cf::to_json \%msg);
1126} 1254}
1255
1256package cf;
1127 1257
1128=back 1258=back
1129 1259
1130 1260
1131=head3 cf::map 1261=head3 cf::map
1137package cf::map; 1267package cf::map;
1138 1268
1139use Fcntl; 1269use Fcntl;
1140use Coro::AIO; 1270use Coro::AIO;
1141 1271
1142our $MAX_RESET = 7200; 1272our $MAX_RESET = 3600;
1143our $DEFAULT_RESET = 3600; 1273our $DEFAULT_RESET = 3000;
1144 1274
1145sub generate_random_map { 1275sub generate_random_map {
1146 my ($path, $rmp) = @_; 1276 my ($path, $rmp) = @_;
1147 1277
1148 # mit "rum" bekleckern, nicht 1278 # mit "rum" bekleckern, nicht
1149 cf::map::_create_random_map 1279 cf::map::_create_random_map (
1150 $path, 1280 $path,
1151 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1281 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1152 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1282 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1153 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1283 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1154 $rmp->{exit_on_final_map}, 1284 $rmp->{exit_on_final_map},
1156 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1286 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1157 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1287 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1158 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1288 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1159 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp}, 1289 $rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1160 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1290 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1161 (cf::region::find $rmp->{region}) 1291 (cf::region::find $rmp->{region}), $rmp->{custom}
1292 )
1162} 1293}
1163 1294
1164# and all this just because we cannot iterate over 1295# and all this just because we cannot iterate over
1165# all maps in C++... 1296# all maps in C++...
1166sub change_all_map_light { 1297sub change_all_map_light {
1168 1299
1169 $_->change_map_light ($change) 1300 $_->change_map_light ($change)
1170 for grep $_->outdoor, values %cf::MAP; 1301 for grep $_->outdoor, values %cf::MAP;
1171} 1302}
1172 1303
1173sub try_load_header($) { 1304sub load_map_header($) {
1174 my ($path) = @_; 1305 my ($path) = @_;
1175 1306
1176 utf8::encode $path; 1307 utf8::encode $path;
1177 aio_open $path, O_RDONLY, 0 1308 aio_open $path, O_RDONLY, 0
1178 or return; 1309 or return;
1179 1310
1180 my $map = cf::map::new 1311 my $map = cf::map::new
1181 or return; 1312 or return;
1182 1313
1314 # for better error messages only, will be overwritten later
1315 $map->path ($path);
1316
1183 $map->load_header ($path) 1317 $map->load_header ($path)
1184 or return; 1318 or return;
1185 1319
1186 $map->{load_path} = $path; 1320 $map->{load_path} = $path;
1187 1321
1188 $map 1322 $map
1189} 1323}
1190 1324
1191sub find_map; 1325sub find;
1192sub find_map { 1326sub find {
1193 my ($path, $origin) = @_; 1327 my ($path, $origin) = @_;
1194 1328
1195 #warn "find_map<$path,$origin>\n";#d# 1329 #warn "find<$path,$origin>\n";#d#
1196 1330
1197 $path = new cf::path $path, $origin && $origin->path; 1331 $path = new cf::path $path, $origin && $origin->path;
1198 my $key = $path->as_string; 1332 my $key = $path->as_string;
1199 1333
1200 cf::lock_wait "map_find:$key"; 1334 cf::lock_wait "map_find:$key";
1201 1335
1202 $cf::MAP{$key} || do { 1336 $cf::MAP{$key} || do {
1203 my $guard = cf::lock_acquire "map_find:$key"; 1337 my $guard = cf::lock_acquire "map_find:$key";
1204 1338
1205 # do it the slow way 1339 # do it the slow way
1206 my $map = try_load_header $path->save_path; 1340 my $map = $path->load_temp;
1341
1342 Coro::cede;
1207 1343
1208 if ($map) { 1344 if ($map) {
1345 $map->last_access ((delete $map->{last_access})
1346 || $cf::RUNTIME); #d#
1209 # safety 1347 # safety
1210 $map->{instantiate_time} = $cf::RUNTIME 1348 $map->{instantiate_time} = $cf::RUNTIME
1211 if $map->{instantiate_time} > $cf::RUNTIME; 1349 if $map->{instantiate_time} > $cf::RUNTIME;
1212 } else { 1350 } else {
1213 if (my $rmp = $path->random_map_params) { 1351 $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; 1352 or return;
1220 1353
1221 $map->{load_original} = 1; 1354 $map->{load_original} = 1;
1222 $map->{instantiate_time} = $cf::RUNTIME; 1355 $map->{instantiate_time} = $cf::RUNTIME;
1356 $map->last_access ($cf::RUNTIME);
1223 $map->instantiate; 1357 $map->instantiate;
1224 1358
1225 # per-player maps become, after loading, normal maps 1359 # per-player maps become, after loading, normal maps
1226 $map->per_player (0) if $path->{user_rel}; 1360 $map->per_player (0) if $path->{user_rel};
1227 } 1361 }
1228 1362
1229 $map->path ($key); 1363 $map->path ($key);
1230 $map->{path} = $path; 1364 $map->{path} = $path;
1231 $map->{last_save} = $cf::RUNTIME; 1365 $map->{last_save} = $cf::RUNTIME;
1232 $map->last_access ($cf::RUNTIME); 1366
1367 Coro::cede;
1233 1368
1234 if ($map->should_reset) { 1369 if ($map->should_reset) {
1235 $map->reset; 1370 $map->reset;
1236 undef $guard; 1371 undef $guard;
1237 $map = find_map $path 1372 $map = find $path
1238 or return; 1373 or return;
1239 } 1374 }
1240 1375
1241 $cf::MAP{$key} = $map 1376 $cf::MAP{$key} = $map
1242 } 1377 }
1265 $self->clear_unique_items; 1400 $self->clear_unique_items;
1266 $self->load_objects ($uniq, 0); 1401 $self->load_objects ($uniq, 0);
1267 } 1402 }
1268 } 1403 }
1269 1404
1405 Coro::cede;
1406
1270 # now do the right thing for maps 1407 # now do the right thing for maps
1271 $self->link_multipart_objects; 1408 $self->link_multipart_objects;
1272 1409
1273 if ($self->{path}->is_style_map) { 1410 if ($self->{path}->is_style_map) {
1274 $self->{deny_save} = 1; 1411 $self->{deny_save} = 1;
1275 $self->{deny_reset} = 1; 1412 $self->{deny_reset} = 1;
1276 } else { 1413 } else {
1414 $self->decay_objects;
1277 $self->fix_auto_apply; 1415 $self->fix_auto_apply;
1278 $self->decay_objects;
1279 $self->update_buttons; 1416 $self->update_buttons;
1280 $self->set_darkness_map; 1417 $self->set_darkness_map;
1281 $self->difficulty ($self->estimate_difficulty) 1418 $self->difficulty ($self->estimate_difficulty)
1282 unless $self->difficulty; 1419 unless $self->difficulty;
1283 $self->activate; 1420 $self->activate;
1284 } 1421 }
1285 1422
1423 Coro::cede;
1424
1286 $self->in_memory (cf::MAP_IN_MEMORY); 1425 $self->in_memory (cf::MAP_IN_MEMORY);
1287} 1426}
1288 1427
1289sub load_map_sync { 1428# find and load all maps in the 3x3 area around a map
1429sub load_diag {
1430 my ($map) = @_;
1431
1432 my @diag; # diagonal neighbours
1433
1434 for (0 .. 3) {
1435 my $neigh = $map->tile_path ($_)
1436 or next;
1437 $neigh = find $neigh, $map
1438 or next;
1439 $neigh->load;
1440
1441 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1442 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1443 }
1444
1445 for (@diag) {
1446 my $neigh = find @$_
1447 or next;
1448 $neigh->load;
1449 }
1450}
1451
1452sub find_sync {
1290 my ($path, $origin) = @_; 1453 my ($path, $origin) = @_;
1291 1454
1292 #warn "load_map_sync<$path, $origin>\n";#d# 1455 cf::sync_job { find $path, $origin }
1456}
1293 1457
1294 cf::sync_job { 1458sub do_load_sync {
1295 my $map = cf::map::find_map $path, $origin 1459 my ($map) = @_;
1460
1461 cf::sync_job { $map->load };
1462}
1463
1464our %MAP_PREFETCH;
1465our $MAP_PREFETCHER = Coro::async {
1466 while () {
1467 while (%MAP_PREFETCH) {
1468 my $key = each %MAP_PREFETCH
1296 or return; 1469 or next;
1470 my $path = delete $MAP_PREFETCH{$key};
1471
1472 my $map = find $path
1473 or next;
1297 $map->load; 1474 $map->load;
1298 $map 1475 }
1476 Coro::schedule;
1299 } 1477 }
1478};
1479
1480sub find_async {
1481 my ($path, $origin) = @_;
1482
1483 $path = new cf::path $path, $origin && $origin->path;
1484 my $key = $path->as_string;
1485
1486 if (my $map = $cf::MAP{$key}) {
1487 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1488 }
1489
1490 $MAP_PREFETCH{$key} = $path;
1491 $MAP_PREFETCHER->ready;
1492
1493 ()
1300} 1494}
1301 1495
1302sub save { 1496sub save {
1303 my ($self) = @_; 1497 my ($self) = @_;
1304 1498
1499 my $lock = cf::lock_acquire "map_data:" . $self->path;
1500
1305 $self->{last_save} = $cf::RUNTIME; 1501 $self->{last_save} = $cf::RUNTIME;
1306 1502
1307 return unless $self->dirty; 1503 return unless $self->dirty;
1308 1504
1309 my $save = $self->{path}->save_path; utf8::encode $save; 1505 my $save = $self->{path}->save_path; utf8::encode $save;
1310 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1506 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1311 1507
1312 $self->{load_path} = $save; 1508 $self->{load_path} = $save;
1313 1509
1314 return if $self->{deny_save}; 1510 return if $self->{deny_save};
1511
1512 local $self->{last_access} = $self->last_access;#d#
1513
1514 cf::async {
1515 $_->contr->save for $self->players;
1516 };
1315 1517
1316 if ($uniq) { 1518 if ($uniq) {
1317 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1519 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318 $self->save_objects ($uniq, cf::IO_UNIQUES); 1520 $self->save_objects ($uniq, cf::IO_UNIQUES);
1319 } else { 1521 } else {
1322} 1524}
1323 1525
1324sub swap_out { 1526sub swap_out {
1325 my ($self) = @_; 1527 my ($self) = @_;
1326 1528
1529 # save first because save cedes
1530 $self->save;
1531
1532 my $lock = cf::lock_acquire "map_data:" . $self->path;
1533
1327 return if $self->players; 1534 return if $self->players;
1328 return if $self->in_memory != cf::MAP_IN_MEMORY; 1535 return if $self->in_memory != cf::MAP_IN_MEMORY;
1329 return if $self->{deny_save}; 1536 return if $self->{deny_save};
1330 1537
1331 $self->save;
1332 $self->clear; 1538 $self->clear;
1333 $self->in_memory (cf::MAP_SWAPPED); 1539 $self->in_memory (cf::MAP_SWAPPED);
1334} 1540}
1335 1541
1336sub reset_at { 1542sub reset_at {
1350 my ($self) = @_; 1556 my ($self) = @_;
1351 1557
1352 $self->reset_at <= $cf::RUNTIME 1558 $self->reset_at <= $cf::RUNTIME
1353} 1559}
1354 1560
1355sub unlink_save {
1356 my ($self) = @_;
1357
1358 utf8::encode (my $save = $self->{path}->save_path);
1359 aioreq_pri 3; IO::AIO::aio_unlink $save;
1360 aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1361}
1362
1363sub rename { 1561sub rename {
1364 my ($self, $new_path) = @_; 1562 my ($self, $new_path) = @_;
1365 1563
1366 $self->unlink_save; 1564 $self->{path}->unlink_save;
1367 1565
1368 delete $cf::MAP{$self->path}; 1566 delete $cf::MAP{$self->path};
1369 $self->{path} = new cf::path $new_path; 1567 $self->{path} = new cf::path $new_path;
1370 $self->path ($self->{path}->as_string); 1568 $self->path ($self->{path}->as_string);
1371 $cf::MAP{$self->path} = $self; 1569 $cf::MAP{$self->path} = $self;
1374} 1572}
1375 1573
1376sub reset { 1574sub reset {
1377 my ($self) = @_; 1575 my ($self) = @_;
1378 1576
1577 my $lock = cf::lock_acquire "map_data:" . $self->path;
1578
1379 return if $self->players; 1579 return if $self->players;
1380 return if $self->{path}{user_rel};#d# 1580 return if $self->{path}{user_rel};#d#
1381 1581
1382 warn "resetting map ", $self->path;#d# 1582 warn "resetting map ", $self->path;#d#
1383 1583
1384 delete $cf::MAP{$self->path}; 1584 delete $cf::MAP{$self->path};
1385 1585
1386 $_->clear_links_to ($self) for values %cf::MAP; 1586 $_->clear_links_to ($self) for values %cf::MAP;
1387 1587
1388 $self->unlink_save; 1588 $self->{path}->unlink_save;
1389 $self->destroy; 1589 $self->destroy;
1390} 1590}
1391 1591
1392my $nuke_counter = "aaaa"; 1592my $nuke_counter = "aaaa";
1393 1593
1402 1602
1403sub customise_for { 1603sub customise_for {
1404 my ($map, $ob) = @_; 1604 my ($map, $ob) = @_;
1405 1605
1406 if ($map->per_player) { 1606 if ($map->per_player) {
1407 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1607 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1408 } 1608 }
1409 1609
1410 $map 1610 $map
1411} 1611}
1412 1612
1413sub emergency_save { 1613=item cf::map::unique_maps
1414 local $cf::FREEZE = 1;
1415 1614
1416 warn "enter emergency map save\n"; 1615Returns an arrayref of cf::path's of all shared maps that have
1616instantiated unique items. May block.
1417 1617
1418 cf::sync_job { 1618=cut
1419 warn "begin emergency map save\n"; 1619
1420 $_->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 $_;
1421 }; 1632 }
1422 1633
1423 warn "end emergency map save\n"; 1634 \@paths
1424} 1635}
1425 1636
1426package cf; 1637package cf;
1427 1638
1428=back 1639=back
1429 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
1430 1667
1431=head3 cf::object::player 1668=head3 cf::object::player
1432 1669
1433=over 4 1670=over 4
1434 1671
1509 my $link_pos = delete $self->{_link_pos}; 1746 my $link_pos = delete $self->{_link_pos};
1510 1747
1511 unless ($map) { 1748 unless ($map) {
1512 # restore original map position 1749 # restore original map position
1513 ($map, $x, $y) = @{ $link_pos || [] }; 1750 ($map, $x, $y) = @{ $link_pos || [] };
1514 $map = cf::map::find_map $map; 1751 $map = cf::map::find $map;
1515 1752
1516 unless ($map) { 1753 unless ($map) {
1517 ($map, $x, $y) = @$EMERGENCY_POSITION; 1754 ($map, $x, $y) = @$EMERGENCY_POSITION;
1518 $map = cf::map::find_map $map 1755 $map = cf::map::find $map
1519 or die "FATAL: cannot load emergency map\n"; 1756 or die "FATAL: cannot load emergency map\n";
1520 } 1757 }
1521 } 1758 }
1522 1759
1523 ($x, $y) = (-1, -1) 1760 ($x, $y) = (-1, -1)
1526 # use -1 or undef as default coordinates, not 0, 0 1763 # use -1 or undef as default coordinates, not 0, 0
1527 ($x, $y) = ($map->enter_x, $map->enter_y) 1764 ($x, $y) = ($map->enter_x, $map->enter_y)
1528 if $x <=0 && $y <= 0; 1765 if $x <=0 && $y <= 0;
1529 1766
1530 $map->load; 1767 $map->load;
1768 $map->load_diag;
1531 1769
1770 return unless $self->contr->active;
1532 $self->activate_recursive; 1771 $self->activate_recursive;
1533 $self->enter_map ($map, $x, $y); 1772 $self->enter_map ($map, $x, $y);
1534} 1773}
1535 1774
1536cf::player->attach ( 1775cf::player->attach (
1549 1788
1550 # try to abort aborted map switching on player login :) 1789 # try to abort aborted map switching on player login :)
1551 # should happen only on crashes 1790 # should happen only on crashes
1552 if ($pl->ob->{_link_pos}) { 1791 if ($pl->ob->{_link_pos}) {
1553 $pl->ob->enter_link; 1792 $pl->ob->enter_link;
1554 cf::async { 1793 (async {
1555 # 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
1556 # 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);
1557 Coro::Timer::sleep 1; 1800 Coro::Timer::sleep 1;
1558 $pl->ob->leave_link; 1801 $pl->ob->leave_link;
1559 }; 1802 })->prio (2);
1560 } 1803 }
1561 }, 1804 },
1562); 1805);
1563 1806
1564=item $player_object->goto_map ($path, $x, $y) 1807=item $player_object->goto ($path, $x, $y)
1565 1808
1566=cut 1809=cut
1567 1810
1568sub cf::object::player::goto_map { 1811sub cf::object::player::goto {
1569 my ($self, $path, $x, $y) = @_; 1812 my ($self, $path, $x, $y) = @_;
1570 1813
1814 $path = new cf::path $path;
1815
1571 $self->enter_link; 1816 $self->enter_link;
1572 1817
1573 (cf::async { 1818 (async {
1574 $path = new cf::path $path;
1575
1576 my $map = cf::map::find_map $path->as_string; 1819 my $map = cf::map::find $path->as_string;
1577 $map = $map->customise_for ($self) if $map; 1820 $map = $map->customise_for ($self) if $map;
1578 1821
1579# warn "entering ", $map->path, " at ($x, $y)\n" 1822# warn "entering ", $map->path, " at ($x, $y)\n"
1580# if $map; 1823# if $map;
1581 1824
1582 $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);
1583 1826
1584 $self->leave_link ($map, $x, $y); 1827 $self->leave_link ($map, $x, $y);
1585 })->prio (1); 1828 })->prio (1);
1586} 1829}
1587 1830
1640 1883
1641 return unless $self->type == cf::PLAYER; 1884 return unless $self->type == cf::PLAYER;
1642 1885
1643 $self->enter_link; 1886 $self->enter_link;
1644 1887
1645 (cf::async { 1888 (async {
1889 $self->deactivate_recursive; # just to be sure
1646 unless (eval { 1890 unless (eval {
1647 prepare_random_map $exit 1891 prepare_random_map $exit
1648 if $exit->slaying eq "/!"; 1892 if $exit->slaying eq "/!";
1649 1893
1650 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;
1651 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1895 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1652 1896
1653 1; 1897 1;
1654 }) { 1898 }) {
1655 $self->message ("Something went wrong deep within the crossfire server. " 1899 $self->message ("Something went wrong deep within the crossfire server. "
1656 . "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. "
1657 . "Please report this to the dungeon master", 1901 . "Please report this to the dungeon master!",
1658 cf::NDI_UNIQUE | cf::NDI_RED); 1902 cf::NDI_UNIQUE | cf::NDI_RED);
1659 1903
1660 warn "ERROR in enter_exit: $@"; 1904 warn "ERROR in enter_exit: $@";
1661 $self->leave_link; 1905 $self->leave_link;
1662 } 1906 }
1714 my ($ns, $msg) = @_; 1958 my ($ns, $msg) = @_;
1715 1959
1716 # this weird shuffling is so that direct followup queries 1960 # this weird shuffling is so that direct followup queries
1717 # get handled first 1961 # get handled first
1718 my $queue = delete $ns->{query_queue} 1962 my $queue = delete $ns->{query_queue}
1719 or return; # be conservative, not sure how that cna happen, but we saw a crash here 1963 or return; # be conservative, not sure how that can happen, but we saw a crash here
1720 1964
1721 (shift @$queue)->[1]->($msg); 1965 (shift @$queue)->[1]->($msg);
1722 1966
1723 push @{ $ns->{query_queue} }, @$queue; 1967 push @{ $ns->{query_queue} }, @$queue;
1724 1968
1730 } 1974 }
1731 } 1975 }
1732 }, 1976 },
1733); 1977);
1734 1978
1735=item $client->coro (\&cb) 1979=item $client->async (\&cb)
1736 1980
1737Create a new coroutine, running the specified callback. The coroutine will 1981Create a new coroutine, running the specified callback. The coroutine will
1738be automatically cancelled when the client gets destroyed (e.g. on logout, 1982be automatically cancelled when the client gets destroyed (e.g. on logout,
1739or loss of connection). 1983or loss of connection).
1740 1984
1741=cut 1985=cut
1742 1986
1743sub cf::client::coro { 1987sub cf::client::async {
1744 my ($self, $cb) = @_; 1988 my ($self, $cb) = @_;
1745 1989
1746 my $coro = &cf::async ($cb); 1990 my $coro = &Coro::async ($cb);
1747 1991
1748 $coro->on_destroy (sub { 1992 $coro->on_destroy (sub {
1749 delete $self->{_coro}{$coro+0}; 1993 delete $self->{_coro}{$coro+0};
1750 }); 1994 });
1751 1995
1986 open my $fh, "<:utf8", cf::confdir . "/config" 2230 open my $fh, "<:utf8", cf::confdir . "/config"
1987 or return; 2231 or return;
1988 2232
1989 local $/; 2233 local $/;
1990 *CFG = YAML::Syck::Load <$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 }
1991} 2248}
1992 2249
1993sub main { 2250sub main {
1994 # we must not ever block the main coroutine 2251 # we must not ever block the main coroutine
1995 local $Coro::idle = sub { 2252 local $Coro::idle = sub {
1996 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#
1997 (Coro::unblock_sub {
1998 Event::one_event; 2254 async { Event::one_event };
1999 })->();
2000 }; 2255 };
2001 2256
2002 cfg_load; 2257 cfg_load;
2003 db_load; 2258 db_load;
2004 load_extensions; 2259 load_extensions;
2005 Event::loop; 2260 Event::loop;
2006} 2261}
2007 2262
2008############################################################################# 2263#############################################################################
2009# 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 $map->save;
2301 }
2302 warn "end emergency map save\n";
2303 };
2304
2305 warn "leave emergency perl save\n";
2306}
2010 2307
2011sub reload() { 2308sub reload() {
2012 # can/must only be called in main 2309 # can/must only be called in main
2013 if ($Coro::current != $Coro::main) { 2310 if ($Coro::current != $Coro::main) {
2014 warn "can only reload from main coroutine\n"; 2311 warn "can only reload from main coroutine\n";
2015 return; 2312 return;
2016 } 2313 }
2017 2314
2018 warn "reloading..."; 2315 warn "reloading...";
2019 2316
2020 local $FREEZE = 1; 2317 warn "freezing server";
2318 my $guard = freeze_mainloop;
2021 cf::emergency_save; 2319 cf::emergency_save;
2320
2321 warn "sync database to disk";
2322 cf::db_sync;
2323 IO::AIO::flush;
2022 2324
2023 eval { 2325 eval {
2024 # 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
2025 2327
2026 # cancel all watchers 2328 warn "cancel all watchers";
2027 for (Event::all_watchers) { 2329 for (Event::all_watchers) {
2028 $_->cancel if $_->data & WF_AUTOCANCEL; 2330 $_->cancel if $_->data & WF_AUTOCANCEL;
2029 } 2331 }
2030 2332
2031 # cancel all extension coros 2333 warn "cancel all extension coros";
2032 $_->cancel for values %EXT_CORO; 2334 $_->cancel for values %EXT_CORO;
2033 %EXT_CORO = (); 2335 %EXT_CORO = ();
2034 2336
2337 warn "remove commands";
2338 %COMMAND = ();
2339
2340 warn "remove ext commands";
2341 %EXTCMD = ();
2342
2035 # unload all extensions 2343 warn "unload/nuke all extensions";
2036 for (@exts) { 2344 for my $pkg (@EXTS) {
2037 warn "unloading <$_>"; 2345 warn "... unloading $pkg";
2038 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: $@";
2039 } 2352 }
2040 2353
2354 warn "... nuking $pkg";
2355 Symbol::delete_package $pkg;
2356 }
2357
2041 # unload all modules loaded from $LIBDIR 2358 warn "unload all perl modules loaded from $LIBDIR";
2042 while (my ($k, $v) = each %INC) { 2359 while (my ($k, $v) = each %INC) {
2043 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044 2361
2045 warn "removing <$k>"; 2362 warn "removing <$k>";
2046 delete $INC{$k}; 2363 delete $INC{$k};
2053 } 2370 }
2054 2371
2055 Symbol::delete_package $k; 2372 Symbol::delete_package $k;
2056 } 2373 }
2057 2374
2058 # sync database to disk
2059 cf::db_sync;
2060 IO::AIO::flush;
2061
2062 # get rid of safe::, as good as possible 2375 warn "get rid of safe::, as good as possible";
2063 Symbol::delete_package "safe::$_" 2376 Symbol::delete_package "safe::$_"
2064 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);
2065 2378
2066 # remove register_script_function callbacks
2067 # TODO
2068
2069 # unload cf.pm "a bit" 2379 warn "unload cf.pm \"a bit\"";
2070 delete $INC{"cf.pm"}; 2380 delete $INC{"cf.pm"};
2071 2381
2072 # don't, removes xs symbols, too, 2382 # don't, removes xs symbols, too,
2073 # and global variables created in xs 2383 # and global variables created in xs
2074 #Symbol::delete_package __PACKAGE__; 2384 #Symbol::delete_package __PACKAGE__;
2075 2385
2076 # reload cf.pm
2077 warn "reloading cf.pm"; 2386 warn "reloading cf.pm";
2078 require cf; 2387 require cf;
2079 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080 2389
2081 # load config and database again 2390 warn "load config and database again";
2082 cf::cfg_load; 2391 cf::cfg_load;
2083 cf::db_load; 2392 cf::db_load;
2084 2393
2085 # load extensions
2086 warn "load extensions"; 2394 warn "load extensions";
2087 cf::load_extensions; 2395 cf::load_extensions;
2088 2396
2089 # reattach attachments to objects 2397 warn "reattach attachments to objects/players";
2090 warn "reattach";
2091 _global_reattach; 2398 _global_reattach;
2399 warn "reattach attachments to maps";
2400 reattach $_ for values %MAP;
2092 }; 2401 };
2093 2402
2094 if ($@) { 2403 if ($@) {
2095 warn $@; 2404 warn $@;
2096 warn "error while reloading, exiting."; 2405 warn "error while reloading, exiting.";
2097 exit 1; 2406 exit 1;
2098 } 2407 }
2099 2408
2100 warn "reloaded successfully"; 2409 warn "reloaded";
2101}; 2410};
2102 2411
2103############################################################################# 2412#############################################################################
2104 2413
2105unless ($LINK_MAP) { 2414unless ($LINK_MAP) {
2112 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2421 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2422 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2114 2423
2115 # dirty hack because... archetypes are not yet loaded 2424 # dirty hack because... archetypes are not yet loaded
2116 Event->timer ( 2425 Event->timer (
2117 after => 2, 2426 after => 10,
2118 cb => sub { 2427 cb => sub {
2119 $_[0]->w->cancel; 2428 $_[0]->w->cancel;
2120 2429
2121 # provide some exits "home" 2430 # provide some exits "home"
2122 my $exit = cf::object::new "exit"; 2431 my $exit = cf::object::new "exit";
2141 $LINK_MAP->{deny_reset} = 1; 2450 $LINK_MAP->{deny_reset} = 1;
2142 2451
2143 $cf::MAP{$LINK_MAP->path} = $LINK_MAP; 2452 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144} 2453}
2145 2454
2146register "<global>", __PACKAGE__;
2147
2148register_command "reload" => sub { 2455register_command "reload" => sub {
2149 my ($who, $arg) = @_; 2456 my ($who, $arg) = @_;
2150 2457
2151 if ($who->flag (FLAG_WIZ)) { 2458 if ($who->flag (FLAG_WIZ)) {
2152 $who->message ("start of reload."); 2459 $who->message ("start of reload.");
2161 reentrant => 0, 2468 reentrant => 0,
2162 prio => 0, 2469 prio => 0,
2163 at => $NEXT_TICK || $TICK, 2470 at => $NEXT_TICK || $TICK,
2164 data => WF_AUTOCANCEL, 2471 data => WF_AUTOCANCEL,
2165 cb => sub { 2472 cb => sub {
2166 unless ($FREEZE) { 2473 $NOW = Event::time;
2474
2167 cf::server_tick; # one server iteration 2475 cf::server_tick; # one server iteration
2168 $RUNTIME += $TICK; 2476 $RUNTIME += $TICK;
2169 }
2170
2171 $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;
2172 2481
2173 # 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
2174 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2483 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175 2484
2176 $TICK_WATCHER->at ($NEXT_TICK); 2485 $TICK_WATCHER->at ($NEXT_TICK);

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