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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.132 by root, Thu Jan 4 01:35:56 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
106=item %cf::CFG 113=item %cf::CFG
107 114
108Configuration for the server, loaded from C</etc/crossfire/config>, or 115Configuration for the server, loaded from C</etc/crossfire/config>, or
109from wherever your confdir points to. 116from wherever your confdir points to.
110 117
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.
124
111=back 125=back
112 126
113=cut 127=cut
114 128
115BEGIN { 129BEGIN {
118 utf8::encode $msg; 132 utf8::encode $msg;
119 133
120 $msg .= "\n" 134 $msg .= "\n"
121 unless $msg =~ /\n$/; 135 unless $msg =~ /\n$/;
122 136
123 LOG llevError, "cfperl: $msg"; 137 LOG llevError, $msg;
124 }; 138 };
125} 139}
126 140
127@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable'; 141@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
128@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable'; 142@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
146 160
147$Event::DIED = sub { 161$Event::DIED = sub {
148 warn "error in event callback: @_"; 162 warn "error in event callback: @_";
149}; 163};
150 164
151my %ext_pkg;
152my @exts;
153my @hook;
154
155=head2 UTILITY FUNCTIONS 165=head2 UTILITY FUNCTIONS
156 166
157=over 4 167=over 4
158 168
169=item dumpval $ref
170
159=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}
160 191
161use JSON::Syck (); # TODO# replace by JSON::PC once working 192use JSON::Syck (); # TODO# replace by JSON::PC once working
162 193
163=item $ref = cf::from_json $json 194=item $ref = cf::from_json $json
164 195
180sub to_json($) { 211sub to_json($) {
181 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs 212 $JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
182 JSON::Syck::Dump $_[0] 213 JSON::Syck::Dump $_[0]
183} 214}
184 215
185=item my $guard = cf::guard { BLOCK }
186
187Run the given callback when the guard object gets destroyed (useful for
188coroutine cancellations).
189
190You can call C<< ->cancel >> on the guard object to stop the block from
191being executed.
192
193=cut
194
195sub guard(&) {
196 bless \(my $cb = $_[0]), cf::guard::;
197}
198
199sub cf::guard::cancel {
200 ${$_[0]} = sub { };
201}
202
203sub cf::guard::DESTROY {
204 ${$_[0]}->();
205}
206
207=item cf::lock_wait $string 216=item cf::lock_wait $string
208 217
209Wait until the given lock is available. See cf::lock_acquire. 218Wait until the given lock is available. See cf::lock_acquire.
210 219
211=item my $lock = cf::lock_acquire $string 220=item my $lock = cf::lock_acquire $string
212 221
213Wait 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
214a 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,
215for example when the coroutine gets canceled), the lock is automatically 224for example when the coroutine gets canceled), the lock is automatically
216returned. 225returned.
217 226
218Lock names should begin with a unique identifier (for example, find_map 227Lock names should begin with a unique identifier (for example, cf::map::find
219uses map_find and load_map uses map_load). 228uses map_find and cf::map::load uses map_load).
220 229
221=cut 230=cut
222 231
223our %LOCK; 232our %LOCK;
224 233
238 # wait, to be sure we are not locked 247 # wait, to be sure we are not locked
239 lock_wait $key; 248 lock_wait $key;
240 249
241 $LOCK{$key} = []; 250 $LOCK{$key} = [];
242 251
243 cf::guard { 252 Coro::guard {
244 # wake up all waiters, to be on the safe side 253 # wake up all waiters, to be on the safe side
245 $_->ready for @{ delete $LOCK{$key} }; 254 $_->ready for @{ delete $LOCK{$key} };
246 } 255 }
247} 256}
248 257
258sub freeze_mainloop {
259 return unless $TICK_WATCHER->is_active;
260
261 my $guard = Coro::guard { $TICK_WATCHER->start };
262 $TICK_WATCHER->stop;
263 $guard
264}
265
249=item cf::async { BLOCK } 266=item cf::async { BLOCK }
250 267
251Like C<Coro::async>, but runs the given BLOCK in an eval and only logs the 268Currently the same as Coro::async_pool, meaning you cannot use
252error instead of exiting the server in case of a problem. 269C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
270thing you are allowed to do is call C<prio> on it.
253 271
254=cut 272=cut
255 273
256sub async(&) { 274BEGIN { *async = \&Coro::async_pool }
257 my ($cb) = @_;
258
259 Coro::async {
260 eval { $cb->() };
261 warn $@ if $@;
262 }
263}
264 275
265=item cf::sync_job { BLOCK } 276=item cf::sync_job { BLOCK }
266 277
267The design of crossfire+ requires that the main coro ($Coro::main) is 278The design of crossfire+ requires that the main coro ($Coro::main) is
268always able to handle events or runnable, as crossfire+ is only partly 279always able to handle events or runnable, as crossfire+ is only partly
282 # this is the main coro, too bad, we have to block 293 # this is the main coro, too bad, we have to block
283 # till the operation succeeds, freezing the server :/ 294 # till the operation succeeds, freezing the server :/
284 295
285 # TODO: use suspend/resume instead 296 # TODO: use suspend/resume instead
286 # (but this is cancel-safe) 297 # (but this is cancel-safe)
287 local $FREEZE = 1; 298 my $freeze_guard = freeze_mainloop;
288 299
289 my $busy = 1; 300 my $busy = 1;
290 my @res; 301 my @res;
291 302
292 (Coro::async { 303 (async {
293 @res = eval { $job->() }; 304 @res = eval { $job->() };
294 warn $@ if $@; 305 warn $@ if $@;
295 undef $busy; 306 undef $busy;
296 })->prio (Coro::PRIO_MAX); 307 })->prio (Coro::PRIO_MAX);
297 308
298 while ($busy) { 309 while ($busy) {
299 Coro::cede_notself; 310 Coro::cede or Event::one_event;
300 Event::one_event unless Coro::nready;
301 } 311 }
302 312
303 wantarray ? @res : $res[0] 313 wantarray ? @res : $res[0]
304 } else { 314 } else {
305 # we are in another coroutine, how wonderful, everything just works 315 # we are in another coroutine, how wonderful, everything just works
306 316
307 $job->() 317 $job->()
308 } 318 }
309} 319}
310 320
311=item $coro = cf::coro { BLOCK } 321=item $coro = cf::async_ext { BLOCK }
312 322
313Creates and returns a new coro. This coro is automcatially being canceled 323Like async, but this coro is automatically being canceled when the
314when the extension calling this is being unloaded. 324extension calling this is being unloaded.
315 325
316=cut 326=cut
317 327
318sub coro(&) { 328sub async_ext(&) {
319 my $cb = shift; 329 my $cb = shift;
320 330
321 my $coro = &cf::async ($cb); 331 my $coro = &Coro::async ($cb);
322 332
323 $coro->on_destroy (sub { 333 $coro->on_destroy (sub {
324 delete $EXT_CORO{$coro+0}; 334 delete $EXT_CORO{$coro+0};
325 }); 335 });
326 $EXT_CORO{$coro+0} = $coro; 336 $EXT_CORO{$coro+0} = $coro;
356 366
357############################################################################# 367#############################################################################
358 368
359package cf::path; 369package cf::path;
360 370
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} = $pkg;
381}
382
361sub new { 383sub new {
362 my ($class, $path, $base) = @_; 384 my ($class, $path, $base) = @_;
363 385
364 $path = $path->as_string if ref $path; 386 return $path if ref $path;
365 387
366 my $self = bless { }, $class; 388 my $self = {};
367 389
368 # {... are special paths that are not touched 390 # {... are special paths that are not being touched
369 # ?xxx/... are special absolute paths 391 # ?xxx/... are special absolute paths
370 # ?random/... random maps 392 # ?random/... random maps
371 # /! non-realised random map exit 393 # /! non-realised random map exit
372 # /... normal maps 394 # /... normal maps
373 # ~/... per-player maps without a specific player (DO NOT USE) 395 # ~/... per-player maps without a specific player (DO NOT USE)
374 # ~user/... per-player map of a specific user 396 # ~user/... per-player map of a specific user
375 397
398 $path =~ s/$PATH_SEP/\//go;
399
376 if ($path =~ /^{/) { 400 if ($path =~ /^{/) {
377 # fine as it is 401 # fine as it is
378 } elsif ($path =~ s{^\?random/}{}) {
379 Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
380 $self->{random} = cf::from_json $data;
381 } else { 402 } else {
382 if ($path =~ s{^~([^/]+)?}{}) { 403 if ($path =~ s{^~([^/]+)?}{}) {
404 # ~user
383 $self->{user_rel} = 1; 405 $self->{user_rel} = 1;
384 406
385 if (defined $1) { 407 if (defined $1) {
386 $self->{user} = $1; 408 $self->{user} = $1;
387 } elsif ($base =~ m{^~([^/]+)/}) { 409 } elsif ($base =~ m{^~([^/]+)/}) {
388 $self->{user} = $1; 410 $self->{user} = $1;
389 } else { 411 } else {
390 warn "cannot resolve user-relative path without user <$path,$base>\n"; 412 warn "cannot resolve user-relative path without user <$path,$base>\n";
391 } 413 }
414 } elsif ($path =~ s{^\?([^/]+)/}{}) {
415 # ?...
416 $self->{ext} = $1;
417 if (my $ext = $EXT_MAP{$1}) {
418 bless $self, $ext;
419 }
392 } elsif ($path =~ /^\//) { 420 } elsif ($path =~ /^\//) {
421 # /...
393 # already absolute 422 # already absolute
394 } else { 423 } else {
424 # relative
395 $base =~ s{[^/]+/?$}{}; 425 $base =~ s{[^/]+/?$}{};
396 return $class->new ("$base/$path"); 426 return $class->new ("$base/$path");
397 } 427 }
398 428
399 for ($path) { 429 for ($path) {
402 } 432 }
403 } 433 }
404 434
405 $self->{path} = $path; 435 $self->{path} = $path;
406 436
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
407 $self 449 $self
450}
451
452sub init {
453 # nop
454}
455
456sub substitute {
457 ()
408} 458}
409 459
410# the name / primary key / in-game path 460# the name / primary key / in-game path
411sub as_string { 461sub as_string {
412 my ($self) = @_; 462 my ($self) = @_;
413 463
414 $self->{user_rel} ? "~$self->{user}$self->{path}" 464 $self->{user_rel} ? "~$self->{user}$self->{path}"
415 : $self->{random} ? "?random/$self->{path}" 465 : $self->{ext} ? "?$self->{ext}/$self->{path}"
416 : $self->{path} 466 : $self->{path}
417} 467}
418 468
419# the displayed name, this is a one way mapping 469# the displayed name, this is a one way mapping
420sub visible_name { 470sub visible_name {
421 my ($self) = @_; 471 &as_string
422
423# if (my $rmp = $self->{random}) {
424# # todo: be more intelligent about this
425# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
426# } else {
427 $self->as_string
428# }
429} 472}
430 473
431# escape the /'s in the path 474# escape the /'s in the path
432sub _escaped_path { 475sub _escaped_path {
433 # ∕ is U+2215
434 (my $path = $_[0]{path}) =~ s/\///g; 476 (my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
477
435 $path 478 $path
436} 479}
437 480
438# the original (read-only) location 481# the original (read-only) location
439sub load_path { 482sub load_path {
444 487
445# the temporary/swap location 488# the temporary/swap location
446sub save_path { 489sub save_path {
447 my ($self) = @_; 490 my ($self) = @_;
448 491
492 $self->{user_rel}
449 $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
450 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path 494 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452} 495}
453 496
454# the unique path, might be eq to save_path 497# the unique path, undef == no special unique path
455sub uniq_path { 498sub uniq_path {
456 my ($self) = @_; 499 my ($self) = @_;
457 500
458 $self->{user_rel} || $self->{random}
459 ? undef
460 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path 501 sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
461}
462
463# return random map parameters, or undef
464sub random_map_params {
465 my ($self) = @_;
466
467 $self->{random}
468} 502}
469 503
470# this is somewhat ugly, but style maps do need special treatment 504# this is somewhat ugly, but style maps do need special treatment
471sub is_style_map { 505sub is_style_map {
472 $_[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 ($self->save_path)
473} 519}
474 520
475package cf; 521package cf;
476 522
477############################################################################# 523#############################################################################
927=cut 973=cut
928 974
929sub register_extcmd { 975sub register_extcmd {
930 my ($name, $cb) = @_; 976 my ($name, $cb) = @_;
931 977
932 my $caller = caller;
933 #warn "registering extcmd '$name' to '$caller'";
934
935 $EXTCMD{$name} = [$cb, $caller]; 978 $EXTCMD{$name} = $cb;
936} 979}
937 980
938cf::player->attach ( 981cf::player->attach (
939 on_command => sub { 982 on_command => sub {
940 my ($pl, $name, $params) = @_; 983 my ($pl, $name, $params) = @_;
953 996
954 my $msg = eval { from_json $buf }; 997 my $msg = eval { from_json $buf };
955 998
956 if (ref $msg) { 999 if (ref $msg) {
957 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 1000 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958 if (my %reply = $cb->[0]->($pl, $msg)) { 1001 if (my %reply = $cb->($pl, $msg)) {
959 $pl->ext_reply ($msg->{msgid}, %reply); 1002 $pl->ext_reply ($msg->{msgid}, %reply);
960 } 1003 }
961 } 1004 }
962 } else { 1005 } else {
963 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1006 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965 1008
966 cf::override; 1009 cf::override;
967 }, 1010 },
968); 1011);
969 1012
970sub register {
971 my ($base, $pkg) = @_;
972
973 #TODO
974}
975
976sub load_extension { 1013sub load_extension {
977 my ($path) = @_; 1014 my ($path) = @_;
978 1015
979 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1016 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
980 my $base = $1; 1017 my $base = $1;
981 my $pkg = $1; 1018 my $pkg = $1;
982 $pkg =~ s/[^[:word:]]/_/g; 1019 $pkg =~ s/[^[:word:]]/_/g;
983 $pkg = "ext::$pkg"; 1020 $pkg = "ext::$pkg";
984 1021
985 warn "loading '$path' into '$pkg'\n"; 1022 warn "... loading '$path' into '$pkg'\n";
986 1023
987 open my $fh, "<:utf8", $path 1024 open my $fh, "<:utf8", $path
988 or die "$path: $!"; 1025 or die "$path: $!";
989 1026
990 my $source = 1027 my $source =
995 1032
996 eval $source 1033 eval $source
997 or die $@ ? "$path: $@\n" 1034 or die $@ ? "$path: $@\n"
998 : "extension disabled.\n"; 1035 : "extension disabled.\n";
999 1036
1000 push @exts, $pkg; 1037 push @EXTS, $pkg;
1001 $ext_pkg{$base} = $pkg;
1002
1003# no strict 'refs';
1004# @{"$pkg\::ISA"} = ext::;
1005
1006 register $base, $pkg;
1007}
1008
1009sub unload_extension {
1010 my ($pkg) = @_;
1011
1012 warn "removing extension $pkg\n";
1013
1014 # remove hooks
1015 #TODO
1016# for my $idx (0 .. $#PLUGIN_EVENT) {
1017# delete $hook[$idx]{$pkg};
1018# }
1019
1020 # remove commands
1021 for my $name (keys %COMMAND) {
1022 my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
1023
1024 if (@cb) {
1025 $COMMAND{$name} = \@cb;
1026 } else {
1027 delete $COMMAND{$name};
1028 }
1029 }
1030
1031 # remove extcmds
1032 for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
1033 delete $EXTCMD{$name};
1034 }
1035
1036 if (my $cb = $pkg->can ("unload")) {
1037 eval {
1038 $cb->($pkg);
1039 1
1040 } or warn "$pkg unloaded, but with errors: $@";
1041 }
1042
1043 Symbol::delete_package $pkg;
1044} 1038}
1045 1039
1046sub load_extensions { 1040sub load_extensions {
1047 for my $ext (<$LIBDIR/*.ext>) { 1041 for my $ext (<$LIBDIR/*.ext>) {
1048 next unless -r $ext; 1042 next unless -r $ext;
1066}; 1060};
1067 1061
1068cf::map->attach (prio => -10000, package => cf::mapsupport::); 1062cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069 1063
1070############################################################################# 1064#############################################################################
1071# load/save perl data associated with player->ob objects
1072
1073sub all_objects(@) {
1074 @_, map all_objects ($_->inv), @_
1075}
1076
1077# TODO: compatibility cruft, remove when no longer needed
1078cf::player->attach (
1079 on_load => sub {
1080 my ($pl, $path) = @_;
1081
1082 for my $o (all_objects $pl->ob) {
1083 if (my $value = $o->get_ob_key_value ("_perl_data")) {
1084 $o->set_ob_key_value ("_perl_data");
1085
1086 %$o = %{ Storable::thaw pack "H*", $value };
1087 }
1088 }
1089 },
1090);
1091
1092#############################################################################
1093 1065
1094=head2 CORE EXTENSIONS 1066=head2 CORE EXTENSIONS
1095 1067
1096Functions and methods that extend core crossfire objects. 1068Functions and methods that extend core crossfire objects.
1097 1069
1070=cut
1071
1072package cf::player;
1073
1074use Coro::AIO;
1075
1098=head3 cf::player 1076=head3 cf::player
1099 1077
1100=over 4 1078=over 4
1101 1079
1102=item cf::player::exists $login 1080=item cf::player::find $login
1103 1081
1104Returns true when the given account exists. 1082Returns the given player object, loading it if necessary (might block).
1105 1083
1106=cut 1084=cut
1107 1085
1108sub cf::player::exists($) { 1086sub playerdir($) {
1109 cf::player::find $_[0] 1087 cf::localdir
1110 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1111} 1232}
1112 1233
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1234=item $player->ext_reply ($msgid, $msgtype, %msg)
1114 1235
1115Sends an ext reply to the player. 1236Sends an ext reply to the player.
1116 1237
1117=cut 1238=cut
1118 1239
1119sub cf::player::ext_reply($$$%) { 1240sub ext_reply($$$%) {
1120 my ($self, $id, %msg) = @_; 1241 my ($self, $id, %msg) = @_;
1121 1242
1122 $msg{msgid} = $id; 1243 $msg{msgid} = $id;
1123 1244
1124 $self->send ("ext " . to_json \%msg); 1245 $self->send ("ext " . cf::to_json \%msg);
1125} 1246}
1247
1248package cf;
1126 1249
1127=back 1250=back
1128 1251
1129 1252
1130=head3 cf::map 1253=head3 cf::map
1136package cf::map; 1259package cf::map;
1137 1260
1138use Fcntl; 1261use Fcntl;
1139use Coro::AIO; 1262use Coro::AIO;
1140 1263
1141our $MAX_RESET = 7200; 1264our $MAX_RESET = 3600;
1142our $DEFAULT_RESET = 3600; 1265our $DEFAULT_RESET = 3000;
1143 1266
1144sub generate_random_map { 1267sub generate_random_map {
1145 my ($path, $rmp) = @_; 1268 my ($path, $rmp) = @_;
1146 1269
1147 # mit "rum" bekleckern, nicht 1270 # mit "rum" bekleckern, nicht
1148 cf::map::_create_random_map 1271 cf::map::_create_random_map (
1149 $path, 1272 $path,
1150 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle}, 1273 $rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1151 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, 1274 $rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1152 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map}, 1275 $rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1153 $rmp->{exit_on_final_map}, 1276 $rmp->{exit_on_final_map},
1155 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3}, 1278 $rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1156 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase}, 1279 $rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1157 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation}, 1280 $rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1158 $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},
1159 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used}, 1282 $rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1160 (cf::region::find $rmp->{region}) 1283 (cf::region::find $rmp->{region}), $rmp->{custom}
1284 )
1161} 1285}
1162 1286
1163# and all this just because we cannot iterate over 1287# and all this just because we cannot iterate over
1164# all maps in C++... 1288# all maps in C++...
1165sub change_all_map_light { 1289sub change_all_map_light {
1167 1291
1168 $_->change_map_light ($change) 1292 $_->change_map_light ($change)
1169 for grep $_->outdoor, values %cf::MAP; 1293 for grep $_->outdoor, values %cf::MAP;
1170} 1294}
1171 1295
1172sub try_load_header($) { 1296sub load_map_header($) {
1173 my ($path) = @_; 1297 my ($path) = @_;
1174 1298
1175 utf8::encode $path; 1299 utf8::encode $path;
1176 aio_open $path, O_RDONLY, 0 1300 aio_open $path, O_RDONLY, 0
1177 or return; 1301 or return;
1178 1302
1179 my $map = cf::map::new 1303 my $map = cf::map::new
1180 or return; 1304 or return;
1181 1305
1306 # for better error messages only, will be overwritten later
1307 $map->path ($path);
1308
1182 $map->load_header ($path) 1309 $map->load_header ($path)
1183 or return; 1310 or return;
1184 1311
1185 $map->{load_path} = $path; 1312 $map->{load_path} = $path;
1186 1313
1187 $map 1314 $map
1188} 1315}
1189 1316
1190sub find_map; 1317sub find;
1191sub find_map { 1318sub find {
1192 my ($path, $origin) = @_; 1319 my ($path, $origin) = @_;
1193 1320
1194 #warn "find_map<$path,$origin>\n";#d# 1321 #warn "find<$path,$origin>\n";#d#
1195 1322
1196 $path = new cf::path $path, $origin && $origin->path; 1323 $path = new cf::path $path, $origin && $origin->path;
1197 my $key = $path->as_string; 1324 my $key = $path->as_string;
1198 1325
1199 cf::lock_wait "map_find:$key"; 1326 cf::lock_wait "map_find:$key";
1200 1327
1201 $cf::MAP{$key} || do { 1328 $cf::MAP{$key} || do {
1202 my $guard = cf::lock_acquire "map_find:$key"; 1329 my $guard = cf::lock_acquire "map_find:$key";
1203 1330
1204 # do it the slow way 1331 # do it the slow way
1205 my $map = try_load_header $path->save_path; 1332 my $map = $path->load_temp;
1333
1334 Coro::cede;
1206 1335
1207 if ($map) { 1336 if ($map) {
1208 $map->last_access ((delete $map->{last_access}) 1337 $map->last_access ((delete $map->{last_access})
1209 || $cf::RUNTIME); #d# 1338 || $cf::RUNTIME); #d#
1210 # safety 1339 # safety
1211 $map->{instantiate_time} = $cf::RUNTIME 1340 $map->{instantiate_time} = $cf::RUNTIME
1212 if $map->{instantiate_time} > $cf::RUNTIME; 1341 if $map->{instantiate_time} > $cf::RUNTIME;
1213 } else { 1342 } else {
1214 if (my $rmp = $path->random_map_params) { 1343 $map = $path->load_orig
1215 $map = generate_random_map $key, $rmp;
1216 } else {
1217 $map = try_load_header $path->load_path;
1218 }
1219
1220 $map or return; 1344 or return;
1221 1345
1222 $map->{load_original} = 1; 1346 $map->{load_original} = 1;
1223 $map->{instantiate_time} = $cf::RUNTIME; 1347 $map->{instantiate_time} = $cf::RUNTIME;
1224 $map->last_access ($cf::RUNTIME); 1348 $map->last_access ($cf::RUNTIME);
1225 $map->instantiate; 1349 $map->instantiate;
1230 1354
1231 $map->path ($key); 1355 $map->path ($key);
1232 $map->{path} = $path; 1356 $map->{path} = $path;
1233 $map->{last_save} = $cf::RUNTIME; 1357 $map->{last_save} = $cf::RUNTIME;
1234 1358
1359 Coro::cede;
1360
1235 if ($map->should_reset) { 1361 if ($map->should_reset) {
1236 $map->reset; 1362 $map->reset;
1237 undef $guard; 1363 undef $guard;
1238 $map = find_map $path 1364 $map = find $path
1239 or return; 1365 or return;
1240 } 1366 }
1241 1367
1242 $cf::MAP{$key} = $map 1368 $cf::MAP{$key} = $map
1243 } 1369 }
1265 if (aio_open $uniq, O_RDONLY, 0) { 1391 if (aio_open $uniq, O_RDONLY, 0) {
1266 $self->clear_unique_items; 1392 $self->clear_unique_items;
1267 $self->load_objects ($uniq, 0); 1393 $self->load_objects ($uniq, 0);
1268 } 1394 }
1269 } 1395 }
1396
1397 Coro::cede;
1270 1398
1271 # now do the right thing for maps 1399 # now do the right thing for maps
1272 $self->link_multipart_objects; 1400 $self->link_multipart_objects;
1273 1401
1274 if ($self->{path}->is_style_map) { 1402 if ($self->{path}->is_style_map) {
1282 $self->difficulty ($self->estimate_difficulty) 1410 $self->difficulty ($self->estimate_difficulty)
1283 unless $self->difficulty; 1411 unless $self->difficulty;
1284 $self->activate; 1412 $self->activate;
1285 } 1413 }
1286 1414
1415 Coro::cede;
1416
1287 $self->in_memory (cf::MAP_IN_MEMORY); 1417 $self->in_memory (cf::MAP_IN_MEMORY);
1288} 1418}
1289 1419
1290sub load_map_sync { 1420# find and load all maps in the 3x3 area around a map
1421sub load_diag {
1422 my ($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 $neigh->load;
1441 }
1442}
1443
1444sub find_sync {
1291 my ($path, $origin) = @_; 1445 my ($path, $origin) = @_;
1292 1446
1293 #warn "load_map_sync<$path, $origin>\n";#d# 1447 cf::sync_job { find $path, $origin }
1448}
1294 1449
1295 cf::sync_job { 1450sub do_load_sync {
1296 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
1297 or return; 1461 or next;
1462 my $path = delete $MAP_PREFETCH{$key};
1463
1464 my $map = find $path
1465 or next;
1298 $map->load; 1466 $map->load;
1299 $map 1467 }
1468 Coro::schedule;
1300 } 1469 }
1470};
1471
1472sub find_async {
1473 my ($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 $MAP_PREFETCHER->ready;
1484
1485 ()
1301} 1486}
1302 1487
1303sub save { 1488sub save {
1304 my ($self) = @_; 1489 my ($self) = @_;
1305 1490
1491 my $lock = cf::lock_acquire "map_data:" . $self->path;
1492
1306 $self->{last_save} = $cf::RUNTIME; 1493 $self->{last_save} = $cf::RUNTIME;
1307 1494
1308 return unless $self->dirty; 1495 return unless $self->dirty;
1309 1496
1310 my $save = $self->{path}->save_path; utf8::encode $save; 1497 my $save = $self->{path}->save_path; utf8::encode $save;
1313 $self->{load_path} = $save; 1500 $self->{load_path} = $save;
1314 1501
1315 return if $self->{deny_save}; 1502 return if $self->{deny_save};
1316 1503
1317 local $self->{last_access} = $self->last_access;#d# 1504 local $self->{last_access} = $self->last_access;#d#
1505
1506 cf::async {
1507 $_->contr->save for $self->players;
1508 };
1318 1509
1319 if ($uniq) { 1510 if ($uniq) {
1320 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1511 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1321 $self->save_objects ($uniq, cf::IO_UNIQUES); 1512 $self->save_objects ($uniq, cf::IO_UNIQUES);
1322 } else { 1513 } else {
1328 my ($self) = @_; 1519 my ($self) = @_;
1329 1520
1330 # save first because save cedes 1521 # save first because save cedes
1331 $self->save; 1522 $self->save;
1332 1523
1524 my $lock = cf::lock_acquire "map_data:" . $self->path;
1525
1333 return if $self->players; 1526 return if $self->players;
1334 return if $self->in_memory != cf::MAP_IN_MEMORY; 1527 return if $self->in_memory != cf::MAP_IN_MEMORY;
1335 return if $self->{deny_save}; 1528 return if $self->{deny_save};
1336 1529
1337 $self->clear; 1530 $self->clear;
1379} 1572}
1380 1573
1381sub reset { 1574sub reset {
1382 my ($self) = @_; 1575 my ($self) = @_;
1383 1576
1577 my $lock = cf::lock_acquire "map_data:" . $self->path;
1578
1384 return if $self->players; 1579 return if $self->players;
1385 return if $self->{path}{user_rel};#d# 1580 return if $self->{path}{user_rel};#d#
1386 1581
1387 warn "resetting map ", $self->path;#d# 1582 warn "resetting map ", $self->path;#d#
1388 1583
1407 1602
1408sub customise_for { 1603sub customise_for {
1409 my ($map, $ob) = @_; 1604 my ($map, $ob) = @_;
1410 1605
1411 if ($map->per_player) { 1606 if ($map->per_player) {
1412 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1607 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1413 } 1608 }
1414 1609
1415 $map 1610 $map
1416} 1611}
1417 1612
1418sub emergency_save { 1613=item cf::map::unique_maps
1419 local $cf::FREEZE = 1;
1420 1614
1421 warn "enter emergency map save\n"; 1615Returns an arrayref of cf::path's of all shared maps that have
1616instantiated unique items. May block.
1422 1617
1423 cf::sync_job { 1618=cut
1424 warn "begin emergency map save\n"; 1619
1425 $_->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 $_;
1426 }; 1632 }
1427 1633
1428 warn "end emergency map save\n"; 1634 \@paths
1429} 1635}
1430 1636
1431package cf; 1637package cf;
1432 1638
1433=back 1639=back
1434 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
1435 1667
1436=head3 cf::object::player 1668=head3 cf::object::player
1437 1669
1438=over 4 1670=over 4
1439 1671
1514 my $link_pos = delete $self->{_link_pos}; 1746 my $link_pos = delete $self->{_link_pos};
1515 1747
1516 unless ($map) { 1748 unless ($map) {
1517 # restore original map position 1749 # restore original map position
1518 ($map, $x, $y) = @{ $link_pos || [] }; 1750 ($map, $x, $y) = @{ $link_pos || [] };
1519 $map = cf::map::find_map $map; 1751 $map = cf::map::find $map;
1520 1752
1521 unless ($map) { 1753 unless ($map) {
1522 ($map, $x, $y) = @$EMERGENCY_POSITION; 1754 ($map, $x, $y) = @$EMERGENCY_POSITION;
1523 $map = cf::map::find_map $map 1755 $map = cf::map::find $map
1524 or die "FATAL: cannot load emergency map\n"; 1756 or die "FATAL: cannot load emergency map\n";
1525 } 1757 }
1526 } 1758 }
1527 1759
1528 ($x, $y) = (-1, -1) 1760 ($x, $y) = (-1, -1)
1531 # use -1 or undef as default coordinates, not 0, 0 1763 # use -1 or undef as default coordinates, not 0, 0
1532 ($x, $y) = ($map->enter_x, $map->enter_y) 1764 ($x, $y) = ($map->enter_x, $map->enter_y)
1533 if $x <=0 && $y <= 0; 1765 if $x <=0 && $y <= 0;
1534 1766
1535 $map->load; 1767 $map->load;
1768 $map->load_diag;
1536 1769
1770 return unless $self->contr->active;
1537 $self->activate_recursive; 1771 $self->activate_recursive;
1538 $self->enter_map ($map, $x, $y); 1772 $self->enter_map ($map, $x, $y);
1539} 1773}
1540 1774
1541cf::player->attach ( 1775cf::player->attach (
1554 1788
1555 # try to abort aborted map switching on player login :) 1789 # try to abort aborted map switching on player login :)
1556 # should happen only on crashes 1790 # should happen only on crashes
1557 if ($pl->ob->{_link_pos}) { 1791 if ($pl->ob->{_link_pos}) {
1558 $pl->ob->enter_link; 1792 $pl->ob->enter_link;
1559 cf::async { 1793 (async {
1560 # 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
1561 # 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);
1562 Coro::Timer::sleep 1; 1800 Coro::Timer::sleep 1;
1563 $pl->ob->leave_link; 1801 $pl->ob->leave_link;
1564 }; 1802 })->prio (2);
1565 } 1803 }
1566 }, 1804 },
1567); 1805);
1568 1806
1569=item $player_object->goto_map ($path, $x, $y) 1807=item $player_object->goto ($path, $x, $y)
1570 1808
1571=cut 1809=cut
1572 1810
1573sub cf::object::player::goto_map { 1811sub cf::object::player::goto {
1574 my ($self, $path, $x, $y) = @_; 1812 my ($self, $path, $x, $y) = @_;
1575 1813
1814 $path = new cf::path $path;
1815
1576 $self->enter_link; 1816 $self->enter_link;
1577 1817
1578 (cf::async { 1818 (async {
1579 $path = new cf::path $path;
1580
1581 my $map = cf::map::find_map $path->as_string; 1819 my $map = cf::map::find $path->as_string;
1582 $map = $map->customise_for ($self) if $map; 1820 $map = $map->customise_for ($self) if $map;
1583 1821
1584# warn "entering ", $map->path, " at ($x, $y)\n" 1822# warn "entering ", $map->path, " at ($x, $y)\n"
1585# if $map; 1823# if $map;
1586 1824
1587 $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);
1588 1826
1589 $self->leave_link ($map, $x, $y); 1827 $self->leave_link ($map, $x, $y);
1590 })->prio (1); 1828 })->prio (1);
1591} 1829}
1592 1830
1645 1883
1646 return unless $self->type == cf::PLAYER; 1884 return unless $self->type == cf::PLAYER;
1647 1885
1648 $self->enter_link; 1886 $self->enter_link;
1649 1887
1650 (cf::async { 1888 (async {
1889 $self->deactivate_recursive; # just to be sure
1651 unless (eval { 1890 unless (eval {
1652 prepare_random_map $exit 1891 prepare_random_map $exit
1653 if $exit->slaying eq "/!"; 1892 if $exit->slaying eq "/!";
1654 1893
1655 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;
1656 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1895 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1657 1896
1658 1; 1897 1;
1659 }) { 1898 }) {
1660 $self->message ("Something went wrong deep within the crossfire server. " 1899 $self->message ("Something went wrong deep within the crossfire server. "
1661 . "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. "
1662 . "Please report this to the dungeon master", 1901 . "Please report this to the dungeon master!",
1663 cf::NDI_UNIQUE | cf::NDI_RED); 1902 cf::NDI_UNIQUE | cf::NDI_RED);
1664 1903
1665 warn "ERROR in enter_exit: $@"; 1904 warn "ERROR in enter_exit: $@";
1666 $self->leave_link; 1905 $self->leave_link;
1667 } 1906 }
1735 } 1974 }
1736 } 1975 }
1737 }, 1976 },
1738); 1977);
1739 1978
1740=item $client->coro (\&cb) 1979=item $client->async (\&cb)
1741 1980
1742Create a new coroutine, running the specified callback. The coroutine will 1981Create a new coroutine, running the specified callback. The coroutine will
1743be automatically cancelled when the client gets destroyed (e.g. on logout, 1982be automatically cancelled when the client gets destroyed (e.g. on logout,
1744or loss of connection). 1983or loss of connection).
1745 1984
1746=cut 1985=cut
1747 1986
1748sub cf::client::coro { 1987sub cf::client::async {
1749 my ($self, $cb) = @_; 1988 my ($self, $cb) = @_;
1750 1989
1751 my $coro = &cf::async ($cb); 1990 my $coro = &Coro::async ($cb);
1752 1991
1753 $coro->on_destroy (sub { 1992 $coro->on_destroy (sub {
1754 delete $self->{_coro}{$coro+0}; 1993 delete $self->{_coro}{$coro+0};
1755 }); 1994 });
1756 1995
1994 local $/; 2233 local $/;
1995 *CFG = YAML::Syck::Load <$fh>; 2234 *CFG = YAML::Syck::Load <$fh>;
1996 2235
1997 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2236 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1998 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
1999 if (exists $CFG{mlockall}) { 2241 if (exists $CFG{mlockall}) {
2000 eval { 2242 eval {
2001 $CFG{mlockall} ? &mlockall : &munlockall 2243 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2002 and die "WARNING: m(un)lockall failed: $!\n"; 2244 and die "WARNING: m(un)lockall failed: $!\n";
2003 }; 2245 };
2004 warn $@ if $@; 2246 warn $@ if $@;
2005 } 2247 }
2006} 2248}
2007 2249
2008sub main { 2250sub main {
2009 # we must not ever block the main coroutine 2251 # we must not ever block the main coroutine
2010 local $Coro::idle = sub { 2252 local $Coro::idle = sub {
2011 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#
2012 (Coro::unblock_sub {
2013 Event::one_event; 2254 async { Event::one_event };
2014 })->();
2015 }; 2255 };
2016 2256
2017 cfg_load; 2257 cfg_load;
2018 db_load; 2258 db_load;
2019 load_extensions; 2259 load_extensions;
2020 Event::loop; 2260 Event::loop;
2021} 2261}
2022 2262
2023############################################################################# 2263#############################################################################
2024# 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 $map->save;
2301 }
2302 warn "end emergency map save\n";
2303 };
2304
2305 warn "leave emergency perl save\n";
2306}
2025 2307
2026sub reload() { 2308sub reload() {
2027 # can/must only be called in main 2309 # can/must only be called in main
2028 if ($Coro::current != $Coro::main) { 2310 if ($Coro::current != $Coro::main) {
2029 warn "can only reload from main coroutine\n"; 2311 warn "can only reload from main coroutine\n";
2030 return; 2312 return;
2031 } 2313 }
2032 2314
2033 warn "reloading..."; 2315 warn "reloading...";
2034 2316
2035 local $FREEZE = 1; 2317 warn "freezing server";
2318 my $guard = freeze_mainloop;
2036 cf::emergency_save; 2319 cf::emergency_save;
2320
2321 warn "sync database to disk";
2322 cf::db_sync;
2323 IO::AIO::flush;
2037 2324
2038 eval { 2325 eval {
2039 # 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
2040 2327
2041 # cancel all watchers 2328 warn "cancel all watchers";
2042 for (Event::all_watchers) { 2329 for (Event::all_watchers) {
2043 $_->cancel if $_->data & WF_AUTOCANCEL; 2330 $_->cancel if $_->data & WF_AUTOCANCEL;
2044 } 2331 }
2045 2332
2046 # cancel all extension coros 2333 warn "cancel all extension coros";
2047 $_->cancel for values %EXT_CORO; 2334 $_->cancel for values %EXT_CORO;
2048 %EXT_CORO = (); 2335 %EXT_CORO = ();
2049 2336
2337 warn "remove commands";
2338 %COMMAND = ();
2339
2340 warn "remove ext commands";
2341 %EXTCMD = ();
2342
2050 # unload all extensions 2343 warn "unload/nuke all extensions";
2051 for (@exts) { 2344 for my $pkg (@EXTS) {
2052 warn "unloading <$_>"; 2345 warn "... unloading $pkg";
2053 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: $@";
2054 } 2352 }
2055 2353
2354 warn "... nuking $pkg";
2355 Symbol::delete_package $pkg;
2356 }
2357
2056 # unload all modules loaded from $LIBDIR 2358 warn "unload all perl modules loaded from $LIBDIR";
2057 while (my ($k, $v) = each %INC) { 2359 while (my ($k, $v) = each %INC) {
2058 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2360 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2059 2361
2060 warn "removing <$k>"; 2362 warn "removing <$k>";
2061 delete $INC{$k}; 2363 delete $INC{$k};
2068 } 2370 }
2069 2371
2070 Symbol::delete_package $k; 2372 Symbol::delete_package $k;
2071 } 2373 }
2072 2374
2073 # sync database to disk
2074 cf::db_sync;
2075 IO::AIO::flush;
2076
2077 # get rid of safe::, as good as possible 2375 warn "get rid of safe::, as good as possible";
2078 Symbol::delete_package "safe::$_" 2376 Symbol::delete_package "safe::$_"
2079 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);
2080 2378
2081 # remove register_script_function callbacks
2082 # TODO
2083
2084 # unload cf.pm "a bit" 2379 warn "unload cf.pm \"a bit\"";
2085 delete $INC{"cf.pm"}; 2380 delete $INC{"cf.pm"};
2086 2381
2087 # don't, removes xs symbols, too, 2382 # don't, removes xs symbols, too,
2088 # and global variables created in xs 2383 # and global variables created in xs
2089 #Symbol::delete_package __PACKAGE__; 2384 #Symbol::delete_package __PACKAGE__;
2090 2385
2091 # reload cf.pm
2092 warn "reloading cf.pm"; 2386 warn "reloading cf.pm";
2093 require cf; 2387 require cf;
2094 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2388 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2095 2389
2096 # load config and database again 2390 warn "load config and database again";
2097 cf::cfg_load; 2391 cf::cfg_load;
2098 cf::db_load; 2392 cf::db_load;
2099 2393
2100 # load extensions
2101 warn "load extensions"; 2394 warn "load extensions";
2102 cf::load_extensions; 2395 cf::load_extensions;
2103 2396
2104 # reattach attachments to objects 2397 warn "reattach attachments to objects/players";
2105 warn "reattach";
2106 _global_reattach; 2398 _global_reattach;
2399 warn "reattach attachments to maps";
2400 reattach $_ for values %MAP;
2107 }; 2401 };
2108 2402
2109 if ($@) { 2403 if ($@) {
2110 warn $@; 2404 warn $@;
2111 warn "error while reloading, exiting."; 2405 warn "error while reloading, exiting.";
2112 exit 1; 2406 exit 1;
2113 } 2407 }
2114 2408
2115 warn "reloaded successfully"; 2409 warn "reloaded";
2116}; 2410};
2117 2411
2118############################################################################# 2412#############################################################################
2119 2413
2120unless ($LINK_MAP) { 2414unless ($LINK_MAP) {
2127 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2421 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2128 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2422 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2129 2423
2130 # dirty hack because... archetypes are not yet loaded 2424 # dirty hack because... archetypes are not yet loaded
2131 Event->timer ( 2425 Event->timer (
2132 after => 2, 2426 after => 10,
2133 cb => sub { 2427 cb => sub {
2134 $_[0]->w->cancel; 2428 $_[0]->w->cancel;
2135 2429
2136 # provide some exits "home" 2430 # provide some exits "home"
2137 my $exit = cf::object::new "exit"; 2431 my $exit = cf::object::new "exit";
2156 $LINK_MAP->{deny_reset} = 1; 2450 $LINK_MAP->{deny_reset} = 1;
2157 2451
2158 $cf::MAP{$LINK_MAP->path} = $LINK_MAP; 2452 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2159} 2453}
2160 2454
2161register "<global>", __PACKAGE__;
2162
2163register_command "reload" => sub { 2455register_command "reload" => sub {
2164 my ($who, $arg) = @_; 2456 my ($who, $arg) = @_;
2165 2457
2166 if ($who->flag (FLAG_WIZ)) { 2458 if ($who->flag (FLAG_WIZ)) {
2167 $who->message ("start of reload."); 2459 $who->message ("start of reload.");
2176 reentrant => 0, 2468 reentrant => 0,
2177 prio => 0, 2469 prio => 0,
2178 at => $NEXT_TICK || $TICK, 2470 at => $NEXT_TICK || $TICK,
2179 data => WF_AUTOCANCEL, 2471 data => WF_AUTOCANCEL,
2180 cb => sub { 2472 cb => sub {
2181 unless ($FREEZE) { 2473 $NOW = Event::time;
2474
2182 cf::server_tick; # one server iteration 2475 cf::server_tick; # one server iteration
2183 $RUNTIME += $TICK; 2476 $RUNTIME += $TICK;
2184 }
2185
2186 $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;
2187 2481
2188 # 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
2189 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2483 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2190 2484
2191 $TICK_WATCHER->at ($NEXT_TICK); 2485 $TICK_WATCHER->at ($NEXT_TICK);

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