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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.129 by root, Wed Jan 3 00:41:19 2007 UTC vs.
Revision 1.161 by root, Thu Jan 11 00:16:58 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;
436 $path 477 $path
437} 478}
438 479
439# the original (read-only) location 480# the original (read-only) location
440sub load_path { 481sub load_path {
450 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path 491 $self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
451 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path} 492 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
452 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path 493 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
453} 494}
454 495
455# the unique path, might be eq to save_path 496# the unique path, undef == no special unique path
456sub uniq_path { 497sub uniq_path {
457 my ($self) = @_; 498 my ($self) = @_;
458 499
459 $self->{user_rel} || $self->{random}
460 ? undef
461 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path 500 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} 501}
470 502
471# this is somewhat ugly, but style maps do need special treatment 503# this is somewhat ugly, but style maps do need special treatment
472sub is_style_map { 504sub is_style_map {
473 $_[0]{path} =~ m{^/styles/} 505 $_[0]{path} =~ m{^/styles/}
506}
507
508sub load_orig {
509 my ($self) = @_;
510
511 &cf::map::load_map_header ($self->load_path)
512}
513
514sub load_temp {
515 my ($self) = @_;
516
517 &cf::map::load_map_header ($self->save_path)
474} 518}
475 519
476package cf; 520package cf;
477 521
478############################################################################# 522#############################################################################
928=cut 972=cut
929 973
930sub register_extcmd { 974sub register_extcmd {
931 my ($name, $cb) = @_; 975 my ($name, $cb) = @_;
932 976
933 my $caller = caller;
934 #warn "registering extcmd '$name' to '$caller'";
935
936 $EXTCMD{$name} = [$cb, $caller]; 977 $EXTCMD{$name} = $cb;
937} 978}
938 979
939cf::player->attach ( 980cf::player->attach (
940 on_command => sub { 981 on_command => sub {
941 my ($pl, $name, $params) = @_; 982 my ($pl, $name, $params) = @_;
954 995
955 my $msg = eval { from_json $buf }; 996 my $msg = eval { from_json $buf };
956 997
957 if (ref $msg) { 998 if (ref $msg) {
958 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 999 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
959 if (my %reply = $cb->[0]->($pl, $msg)) { 1000 if (my %reply = $cb->($pl, $msg)) {
960 $pl->ext_reply ($msg->{msgid}, %reply); 1001 $pl->ext_reply ($msg->{msgid}, %reply);
961 } 1002 }
962 } 1003 }
963 } else { 1004 } else {
964 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1005 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
966 1007
967 cf::override; 1008 cf::override;
968 }, 1009 },
969); 1010);
970 1011
971sub register {
972 my ($base, $pkg) = @_;
973
974 #TODO
975}
976
977sub load_extension { 1012sub load_extension {
978 my ($path) = @_; 1013 my ($path) = @_;
979 1014
980 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1015 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
981 my $base = $1; 1016 my $base = $1;
982 my $pkg = $1; 1017 my $pkg = $1;
983 $pkg =~ s/[^[:word:]]/_/g; 1018 $pkg =~ s/[^[:word:]]/_/g;
984 $pkg = "ext::$pkg"; 1019 $pkg = "ext::$pkg";
985 1020
986 warn "loading '$path' into '$pkg'\n"; 1021 warn "... loading '$path' into '$pkg'\n";
987 1022
988 open my $fh, "<:utf8", $path 1023 open my $fh, "<:utf8", $path
989 or die "$path: $!"; 1024 or die "$path: $!";
990 1025
991 my $source = 1026 my $source =
996 1031
997 eval $source 1032 eval $source
998 or die $@ ? "$path: $@\n" 1033 or die $@ ? "$path: $@\n"
999 : "extension disabled.\n"; 1034 : "extension disabled.\n";
1000 1035
1001 push @exts, $pkg; 1036 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} 1037}
1046 1038
1047sub load_extensions { 1039sub load_extensions {
1048 for my $ext (<$LIBDIR/*.ext>) { 1040 for my $ext (<$LIBDIR/*.ext>) {
1049 next unless -r $ext; 1041 next unless -r $ext;
1067}; 1059};
1068 1060
1069cf::map->attach (prio => -10000, package => cf::mapsupport::); 1061cf::map->attach (prio => -10000, package => cf::mapsupport::);
1070 1062
1071############################################################################# 1063#############################################################################
1072# load/save perl data associated with player->ob objects
1073
1074sub all_objects(@) {
1075 @_, map all_objects ($_->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 1064
1095=head2 CORE EXTENSIONS 1065=head2 CORE EXTENSIONS
1096 1066
1097Functions and methods that extend core crossfire objects. 1067Functions and methods that extend core crossfire objects.
1098 1068
1069=cut
1070
1071package cf::player;
1072
1073use Coro::AIO;
1074
1099=head3 cf::player 1075=head3 cf::player
1100 1076
1101=over 4 1077=over 4
1102 1078
1103=item cf::player::exists $login 1079=item cf::player::find $login
1104 1080
1105Returns true when the given account exists. 1081Returns the given player object, loading it if necessary (might block).
1106 1082
1107=cut 1083=cut
1108 1084
1109sub cf::player::exists($) { 1085sub playerdir($) {
1110 cf::player::find $_[0] 1086 cf::localdir
1111 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2; 1087 . "/"
1088 . cf::playerdir
1089 . "/"
1090 . (ref $_[0] ? $_[0]->ob->name : $_[0])
1091}
1092
1093sub path($) {
1094 my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
1095
1096 (playerdir $login) . "/$login.pl"
1097}
1098
1099sub find_active($) {
1100 $cf::PLAYER{$_[0]}
1101 and $cf::PLAYER{$_[0]}->active
1102 and $cf::PLAYER{$_[0]}
1103}
1104
1105sub exists($) {
1106 my ($login) = @_;
1107
1108 $cf::PLAYER{$login}
1109 or cf::sync_job { !aio_stat $login }
1110}
1111
1112sub find($) {
1113 return $cf::PLAYER{$_[0]} || do {
1114 my $login = $_[0];
1115
1116 my $guard = cf::lock_acquire "user_find:$login";
1117
1118 $cf::PLAYER{$_[0]} || do {
1119 my $pl = load_pl path $login
1120 or return;
1121 $cf::PLAYER{$login} = $pl
1122 }
1123 }
1124}
1125
1126sub save($) {
1127 my ($pl) = @_;
1128
1129 return if $pl->{deny_save};
1130
1131 my $path = path $pl;
1132 my $guard = cf::lock_acquire "user_save:$path";
1133
1134 return if $pl->{deny_save};
1135
1136 aio_mkdir playerdir $pl, 0770;
1137 $pl->{last_save} = $cf::RUNTIME;
1138
1139 $pl->save_pl ($path);
1140 Coro::cede;
1141}
1142
1143sub new($) {
1144 my ($login) = @_;
1145
1146 my $self = create;
1147
1148 $self->ob->name ($login);
1149 $self->{deny_save} = 1;
1150
1151 $cf::PLAYER{$login} = $self;
1152
1153 $self
1154}
1155
1156=item $pl->quit_character
1157
1158Nukes the player without looking back. If logged in, the connection will
1159be destroyed. May block for a long time.
1160
1161=cut
1162
1163sub quit_character {
1164 my ($pl) = @_;
1165
1166 $pl->{deny_save} = 1;
1167 $pl->password ("*"); # this should lock out the player until we nuked the dir
1168
1169 $pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1170 $pl->deactivate;
1171 $pl->invoke (cf::EVENT_PLAYER_QUIT);
1172 $pl->ns->destroy if $pl->ns;
1173
1174 my $path = playerdir $pl;
1175 my $temp = "$path~$cf::RUNTIME~deleting~";
1176 aio_rename $path, $temp;
1177 delete $cf::PLAYER{$pl->ob->name};
1178 $pl->destroy;
1179 IO::AIO::aio_rmtree $temp;
1180}
1181
1182=item cf::player::list_logins
1183
1184Returns am arrayref of all valid playernames in the system, can take a
1185while and may block, so not sync_job-capable, ever.
1186
1187=cut
1188
1189sub list_logins {
1190 my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
1191 or return [];
1192
1193 my @logins;
1194
1195 for my $login (@$dirs) {
1196 my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
1197 aio_read $fh, 0, 512, my $buf, 0 or next;
1198 $buf !~ /^password -------------$/m or next; # official not-valid tag
1199
1200 utf8::decode $login;
1201 push @logins, $login;
1202 }
1203
1204 \@logins
1205}
1206
1207=item $player->maps
1208
1209Returns an arrayref of cf::path's of all maps that are private for this
1210player. May block.
1211
1212=cut
1213
1214sub maps($) {
1215 my ($pl) = @_;
1216
1217 my $files = aio_readdir playerdir $pl
1218 or return;
1219
1220 my @paths;
1221
1222 for (@$files) {
1223 utf8::decode $_;
1224 next if /\.(?:pl|pst)$/;
1225 next unless /^$PATH_SEP/o;
1226
1227 push @paths, new cf::path "~" . $pl->ob->name . "/" . $_;
1228 }
1229
1230 \@paths
1112} 1231}
1113 1232
1114=item $player->ext_reply ($msgid, $msgtype, %msg) 1233=item $player->ext_reply ($msgid, $msgtype, %msg)
1115 1234
1116Sends an ext reply to the player. 1235Sends an ext reply to the player.
1117 1236
1118=cut 1237=cut
1119 1238
1120sub cf::player::ext_reply($$$%) { 1239sub ext_reply($$$%) {
1121 my ($self, $id, %msg) = @_; 1240 my ($self, $id, %msg) = @_;
1122 1241
1123 $msg{msgid} = $id; 1242 $msg{msgid} = $id;
1124 1243
1125 $self->send ("ext " . to_json \%msg); 1244 $self->send ("ext " . cf::to_json \%msg);
1126} 1245}
1246
1247package cf;
1127 1248
1128=back 1249=back
1129 1250
1130 1251
1131=head3 cf::map 1252=head3 cf::map
1137package cf::map; 1258package cf::map;
1138 1259
1139use Fcntl; 1260use Fcntl;
1140use Coro::AIO; 1261use Coro::AIO;
1141 1262
1142our $MAX_RESET = 7200; 1263our $MAX_RESET = 3600;
1143our $DEFAULT_RESET = 3600; 1264our $DEFAULT_RESET = 3000;
1144 1265
1145sub generate_random_map { 1266sub generate_random_map {
1146 my ($path, $rmp) = @_; 1267 my ($path, $rmp) = @_;
1147 1268
1148 # mit "rum" bekleckern, nicht 1269 # mit "rum" bekleckern, nicht
1168 1289
1169 $_->change_map_light ($change) 1290 $_->change_map_light ($change)
1170 for grep $_->outdoor, values %cf::MAP; 1291 for grep $_->outdoor, values %cf::MAP;
1171} 1292}
1172 1293
1173sub try_load_header($) { 1294sub load_map_header($) {
1174 my ($path) = @_; 1295 my ($path) = @_;
1175 1296
1176 utf8::encode $path; 1297 utf8::encode $path;
1177 aio_open $path, O_RDONLY, 0 1298 aio_open $path, O_RDONLY, 0
1178 or return; 1299 or return;
1179 1300
1180 my $map = cf::map::new 1301 my $map = cf::map::new
1181 or return; 1302 or return;
1182 1303
1304 # for better error messages only, will be overwritten later
1305 $map->path ($path);
1306
1183 $map->load_header ($path) 1307 $map->load_header ($path)
1184 or return; 1308 or return;
1185 1309
1186 $map->{load_path} = $path; 1310 $map->{load_path} = $path;
1187 1311
1188 $map 1312 $map
1189} 1313}
1190 1314
1191sub find_map; 1315sub find;
1192sub find_map { 1316sub find {
1193 my ($path, $origin) = @_; 1317 my ($path, $origin) = @_;
1194 1318
1195 #warn "find_map<$path,$origin>\n";#d# 1319 #warn "find<$path,$origin>\n";#d#
1196 1320
1197 $path = new cf::path $path, $origin && $origin->path; 1321 $path = new cf::path $path, $origin && $origin->path;
1198 my $key = $path->as_string; 1322 my $key = $path->as_string;
1199 1323
1200 cf::lock_wait "map_find:$key"; 1324 cf::lock_wait "map_find:$key";
1201 1325
1202 $cf::MAP{$key} || do { 1326 $cf::MAP{$key} || do {
1203 my $guard = cf::lock_acquire "map_find:$key"; 1327 my $guard = cf::lock_acquire "map_find:$key";
1204 1328
1205 # do it the slow way 1329 # do it the slow way
1206 my $map = try_load_header $path->save_path; 1330 my $map = $path->load_temp;
1331
1332 Coro::cede;
1207 1333
1208 if ($map) { 1334 if ($map) {
1335 $map->last_access ((delete $map->{last_access})
1336 || $cf::RUNTIME); #d#
1209 # safety 1337 # safety
1210 $map->{instantiate_time} = $cf::RUNTIME 1338 $map->{instantiate_time} = $cf::RUNTIME
1211 if $map->{instantiate_time} > $cf::RUNTIME; 1339 if $map->{instantiate_time} > $cf::RUNTIME;
1212 } else { 1340 } else {
1213 if (my $rmp = $path->random_map_params) { 1341 $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; 1342 or return;
1220 1343
1221 $map->{load_original} = 1; 1344 $map->{load_original} = 1;
1222 $map->{instantiate_time} = $cf::RUNTIME; 1345 $map->{instantiate_time} = $cf::RUNTIME;
1346 $map->last_access ($cf::RUNTIME);
1223 $map->instantiate; 1347 $map->instantiate;
1224 1348
1225 # per-player maps become, after loading, normal maps 1349 # per-player maps become, after loading, normal maps
1226 $map->per_player (0) if $path->{user_rel}; 1350 $map->per_player (0) if $path->{user_rel};
1227 } 1351 }
1228 1352
1229 $map->path ($key); 1353 $map->path ($key);
1230 $map->{path} = $path; 1354 $map->{path} = $path;
1231 $map->{last_save} = $cf::RUNTIME; 1355 $map->{last_save} = $cf::RUNTIME;
1232 $map->last_access ($cf::RUNTIME); 1356
1357 Coro::cede;
1233 1358
1234 if ($map->should_reset) { 1359 if ($map->should_reset) {
1235 $map->reset; 1360 $map->reset;
1236 undef $guard; 1361 undef $guard;
1237 $map = find_map $path 1362 $map = find $path
1238 or return; 1363 or return;
1239 } 1364 }
1240 1365
1241 $cf::MAP{$key} = $map 1366 $cf::MAP{$key} = $map
1242 } 1367 }
1264 if (aio_open $uniq, O_RDONLY, 0) { 1389 if (aio_open $uniq, O_RDONLY, 0) {
1265 $self->clear_unique_items; 1390 $self->clear_unique_items;
1266 $self->load_objects ($uniq, 0); 1391 $self->load_objects ($uniq, 0);
1267 } 1392 }
1268 } 1393 }
1394
1395 Coro::cede;
1269 1396
1270 # now do the right thing for maps 1397 # now do the right thing for maps
1271 $self->link_multipart_objects; 1398 $self->link_multipart_objects;
1272 1399
1273 if ($self->{path}->is_style_map) { 1400 if ($self->{path}->is_style_map) {
1281 $self->difficulty ($self->estimate_difficulty) 1408 $self->difficulty ($self->estimate_difficulty)
1282 unless $self->difficulty; 1409 unless $self->difficulty;
1283 $self->activate; 1410 $self->activate;
1284 } 1411 }
1285 1412
1413 Coro::cede;
1414
1286 $self->in_memory (cf::MAP_IN_MEMORY); 1415 $self->in_memory (cf::MAP_IN_MEMORY);
1287} 1416}
1288 1417
1289sub load_map_sync { 1418# find and load all maps in the 3x3 area around a map
1419sub load_diag {
1420 my ($map) = @_;
1421
1422 my @diag; # diagonal neighbours
1423
1424 for (0 .. 3) {
1425 my $neigh = $map->tile_path ($_)
1426 or next;
1427 $neigh = find $neigh, $map
1428 or next;
1429 $neigh->load;
1430
1431 push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
1432 [$neigh->tile_path (($_ + 1) % 4), $neigh];
1433 }
1434
1435 for (@diag) {
1436 my $neigh = find @$_
1437 or next;
1438 $neigh->load;
1439 }
1440}
1441
1442sub find_sync {
1290 my ($path, $origin) = @_; 1443 my ($path, $origin) = @_;
1291 1444
1292 #warn "load_map_sync<$path, $origin>\n";#d# 1445 cf::sync_job { find $path, $origin }
1446}
1293 1447
1294 cf::sync_job { 1448sub do_load_sync {
1295 my $map = cf::map::find_map $path, $origin 1449 my ($map) = @_;
1450
1451 cf::sync_job { $map->load };
1452}
1453
1454our %MAP_PREFETCH;
1455our $MAP_PREFETCHER = Coro::async {
1456 while () {
1457 while (%MAP_PREFETCH) {
1458 my $key = each %MAP_PREFETCH
1296 or return; 1459 or next;
1460 my $path = delete $MAP_PREFETCH{$key};
1461
1462 my $map = find $path
1463 or next;
1297 $map->load; 1464 $map->load;
1298 $map 1465 }
1466 Coro::schedule;
1299 } 1467 }
1468};
1469
1470sub find_async {
1471 my ($path, $origin) = @_;
1472
1473 $path = new cf::path $path, $origin && $origin->path;
1474 my $key = $path->as_string;
1475
1476 if (my $map = $cf::MAP{$key}) {
1477 return $map if $map->in_memory == cf::MAP_IN_MEMORY;
1478 }
1479
1480 $MAP_PREFETCH{$key} = $path;
1481 $MAP_PREFETCHER->ready;
1482
1483 ()
1300} 1484}
1301 1485
1302sub save { 1486sub save {
1303 my ($self) = @_; 1487 my ($self) = @_;
1304 1488
1489 my $lock = cf::lock_acquire "map_data:" . $self->path;
1490
1305 $self->{last_save} = $cf::RUNTIME; 1491 $self->{last_save} = $cf::RUNTIME;
1306 1492
1307 return unless $self->dirty; 1493 return unless $self->dirty;
1308 1494
1309 my $save = $self->{path}->save_path; utf8::encode $save; 1495 my $save = $self->{path}->save_path; utf8::encode $save;
1310 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1496 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1311 1497
1312 $self->{load_path} = $save; 1498 $self->{load_path} = $save;
1313 1499
1314 return if $self->{deny_save}; 1500 return if $self->{deny_save};
1501
1502 local $self->{last_access} = $self->last_access;#d#
1503
1504 cf::async {
1505 $_->contr->save for $self->players;
1506 };
1315 1507
1316 if ($uniq) { 1508 if ($uniq) {
1317 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1509 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1318 $self->save_objects ($uniq, cf::IO_UNIQUES); 1510 $self->save_objects ($uniq, cf::IO_UNIQUES);
1319 } else { 1511 } else {
1322} 1514}
1323 1515
1324sub swap_out { 1516sub swap_out {
1325 my ($self) = @_; 1517 my ($self) = @_;
1326 1518
1519 # save first because save cedes
1520 $self->save;
1521
1522 my $lock = cf::lock_acquire "map_data:" . $self->path;
1523
1327 return if $self->players; 1524 return if $self->players;
1328 return if $self->in_memory != cf::MAP_IN_MEMORY; 1525 return if $self->in_memory != cf::MAP_IN_MEMORY;
1329 return if $self->{deny_save}; 1526 return if $self->{deny_save};
1330 1527
1331 $self->save;
1332 $self->clear; 1528 $self->clear;
1333 $self->in_memory (cf::MAP_SWAPPED); 1529 $self->in_memory (cf::MAP_SWAPPED);
1334} 1530}
1335 1531
1336sub reset_at { 1532sub reset_at {
1374} 1570}
1375 1571
1376sub reset { 1572sub reset {
1377 my ($self) = @_; 1573 my ($self) = @_;
1378 1574
1575 my $lock = cf::lock_acquire "map_data:" . $self->path;
1576
1379 return if $self->players; 1577 return if $self->players;
1380 return if $self->{path}{user_rel};#d# 1578 return if $self->{path}{user_rel};#d#
1381 1579
1382 warn "resetting map ", $self->path;#d# 1580 warn "resetting map ", $self->path;#d#
1383 1581
1402 1600
1403sub customise_for { 1601sub customise_for {
1404 my ($map, $ob) = @_; 1602 my ($map, $ob) = @_;
1405 1603
1406 if ($map->per_player) { 1604 if ($map->per_player) {
1407 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1605 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1408 } 1606 }
1409 1607
1410 $map 1608 $map
1411} 1609}
1412 1610
1413sub emergency_save { 1611=item cf::map::unique_maps
1414 local $cf::FREEZE = 1;
1415 1612
1416 warn "enter emergency map save\n"; 1613Returns an arrayref of cf::path's of all shared maps that have
1614instantiated unique items. May block.
1417 1615
1418 cf::sync_job { 1616=cut
1419 warn "begin emergency map save\n"; 1617
1420 $_->save for values %cf::MAP; 1618sub unique_maps() {
1619 my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
1620 or return;
1621
1622 my @paths;
1623
1624 for (@$files) {
1625 utf8::decode $_;
1626 next if /\.pst$/;
1627 next unless /^$PATH_SEP/o;
1628
1629 push @paths, new cf::path $_;
1421 }; 1630 }
1422 1631
1423 warn "end emergency map save\n"; 1632 \@paths
1424} 1633}
1425 1634
1426package cf; 1635package cf;
1427 1636
1428=back 1637=back
1429 1638
1639=head3 cf::object
1640
1641=cut
1642
1643package cf::object;
1644
1645=over 4
1646
1647=item $ob->inv_recursive
1648
1649Returns the inventory of the object _and_ their inventories, recursively.
1650
1651=cut
1652
1653sub inv_recursive_;
1654sub inv_recursive_ {
1655 map { $_, inv_recursive_ $_->inv } @_
1656}
1657
1658sub inv_recursive {
1659 inv_recursive_ inv $_[0]
1660}
1661
1662package cf;
1663
1664=back
1430 1665
1431=head3 cf::object::player 1666=head3 cf::object::player
1432 1667
1433=over 4 1668=over 4
1434 1669
1509 my $link_pos = delete $self->{_link_pos}; 1744 my $link_pos = delete $self->{_link_pos};
1510 1745
1511 unless ($map) { 1746 unless ($map) {
1512 # restore original map position 1747 # restore original map position
1513 ($map, $x, $y) = @{ $link_pos || [] }; 1748 ($map, $x, $y) = @{ $link_pos || [] };
1514 $map = cf::map::find_map $map; 1749 $map = cf::map::find $map;
1515 1750
1516 unless ($map) { 1751 unless ($map) {
1517 ($map, $x, $y) = @$EMERGENCY_POSITION; 1752 ($map, $x, $y) = @$EMERGENCY_POSITION;
1518 $map = cf::map::find_map $map 1753 $map = cf::map::find $map
1519 or die "FATAL: cannot load emergency map\n"; 1754 or die "FATAL: cannot load emergency map\n";
1520 } 1755 }
1521 } 1756 }
1522 1757
1523 ($x, $y) = (-1, -1) 1758 ($x, $y) = (-1, -1)
1526 # use -1 or undef as default coordinates, not 0, 0 1761 # use -1 or undef as default coordinates, not 0, 0
1527 ($x, $y) = ($map->enter_x, $map->enter_y) 1762 ($x, $y) = ($map->enter_x, $map->enter_y)
1528 if $x <=0 && $y <= 0; 1763 if $x <=0 && $y <= 0;
1529 1764
1530 $map->load; 1765 $map->load;
1766 $map->load_diag;
1531 1767
1768 return unless $self->contr->active;
1532 $self->activate_recursive; 1769 $self->activate_recursive;
1533 $self->enter_map ($map, $x, $y); 1770 $self->enter_map ($map, $x, $y);
1534} 1771}
1535 1772
1536cf::player->attach ( 1773cf::player->attach (
1549 1786
1550 # try to abort aborted map switching on player login :) 1787 # try to abort aborted map switching on player login :)
1551 # should happen only on crashes 1788 # should happen only on crashes
1552 if ($pl->ob->{_link_pos}) { 1789 if ($pl->ob->{_link_pos}) {
1553 $pl->ob->enter_link; 1790 $pl->ob->enter_link;
1554 cf::async { 1791 (async {
1555 # we need this sleep as the login has a concurrent enter_exit running 1792 # 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 1793 # and this sleep increases chances of the player not ending up in scorn
1794 $pl->ob->reply (undef,
1795 "There was an internal problem at your last logout, "
1796 . "the server will try to bring you to your intended destination in a second.",
1797 cf::NDI_RED);
1557 Coro::Timer::sleep 1; 1798 Coro::Timer::sleep 1;
1558 $pl->ob->leave_link; 1799 $pl->ob->leave_link;
1559 }; 1800 })->prio (2);
1560 } 1801 }
1561 }, 1802 },
1562); 1803);
1563 1804
1564=item $player_object->goto_map ($path, $x, $y) 1805=item $player_object->goto ($path, $x, $y)
1565 1806
1566=cut 1807=cut
1567 1808
1568sub cf::object::player::goto_map { 1809sub cf::object::player::goto {
1569 my ($self, $path, $x, $y) = @_; 1810 my ($self, $path, $x, $y) = @_;
1570 1811
1812 $path = new cf::path $path;
1813
1571 $self->enter_link; 1814 $self->enter_link;
1572 1815
1573 (cf::async { 1816 (async {
1574 $path = new cf::path $path;
1575
1576 my $map = cf::map::find_map $path->as_string; 1817 my $map = cf::map::find $path->as_string;
1577 $map = $map->customise_for ($self) if $map; 1818 $map = $map->customise_for ($self) if $map;
1578 1819
1579# warn "entering ", $map->path, " at ($x, $y)\n" 1820# warn "entering ", $map->path, " at ($x, $y)\n"
1580# if $map; 1821# if $map;
1581 1822
1582 $map or $self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED); 1823 $map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1583 1824
1584 $self->leave_link ($map, $x, $y); 1825 $self->leave_link ($map, $x, $y);
1585 })->prio (1); 1826 })->prio (1);
1586} 1827}
1587 1828
1640 1881
1641 return unless $self->type == cf::PLAYER; 1882 return unless $self->type == cf::PLAYER;
1642 1883
1643 $self->enter_link; 1884 $self->enter_link;
1644 1885
1645 (cf::async { 1886 (async {
1887 $self->deactivate_recursive; # just to be sure
1646 unless (eval { 1888 unless (eval {
1647 prepare_random_map $exit 1889 prepare_random_map $exit
1648 if $exit->slaying eq "/!"; 1890 if $exit->slaying eq "/!";
1649 1891
1650 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path; 1892 my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1651 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1893 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1652 1894
1653 1; 1895 1;
1654 }) { 1896 }) {
1655 $self->message ("Something went wrong deep within the crossfire server. " 1897 $self->message ("Something went wrong deep within the crossfire server. "
1656 . "I'll try to bring you back to the map you were before. " 1898 . "I'll try to bring you back to the map you were before. "
1657 . "Please report this to the dungeon master", 1899 . "Please report this to the dungeon master!",
1658 cf::NDI_UNIQUE | cf::NDI_RED); 1900 cf::NDI_UNIQUE | cf::NDI_RED);
1659 1901
1660 warn "ERROR in enter_exit: $@"; 1902 warn "ERROR in enter_exit: $@";
1661 $self->leave_link; 1903 $self->leave_link;
1662 } 1904 }
1730 } 1972 }
1731 } 1973 }
1732 }, 1974 },
1733); 1975);
1734 1976
1735=item $client->coro (\&cb) 1977=item $client->async (\&cb)
1736 1978
1737Create a new coroutine, running the specified callback. The coroutine will 1979Create a new coroutine, running the specified callback. The coroutine will
1738be automatically cancelled when the client gets destroyed (e.g. on logout, 1980be automatically cancelled when the client gets destroyed (e.g. on logout,
1739or loss of connection). 1981or loss of connection).
1740 1982
1741=cut 1983=cut
1742 1984
1743sub cf::client::coro { 1985sub cf::client::async {
1744 my ($self, $cb) = @_; 1986 my ($self, $cb) = @_;
1745 1987
1746 my $coro = &cf::async ($cb); 1988 my $coro = &Coro::async ($cb);
1747 1989
1748 $coro->on_destroy (sub { 1990 $coro->on_destroy (sub {
1749 delete $self->{_coro}{$coro+0}; 1991 delete $self->{_coro}{$coro+0};
1750 }); 1992 });
1751 1993
1986 open my $fh, "<:utf8", cf::confdir . "/config" 2228 open my $fh, "<:utf8", cf::confdir . "/config"
1987 or return; 2229 or return;
1988 2230
1989 local $/; 2231 local $/;
1990 *CFG = YAML::Syck::Load <$fh>; 2232 *CFG = YAML::Syck::Load <$fh>;
2233
2234 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
2235
2236 $cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2237 $cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2238
2239 if (exists $CFG{mlockall}) {
2240 eval {
2241 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2242 and die "WARNING: m(un)lockall failed: $!\n";
2243 };
2244 warn $@ if $@;
2245 }
1991} 2246}
1992 2247
1993sub main { 2248sub main {
1994 # we must not ever block the main coroutine 2249 # we must not ever block the main coroutine
1995 local $Coro::idle = sub { 2250 local $Coro::idle = sub {
1996 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d# 2251 Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1997 (Coro::unblock_sub {
1998 Event::one_event; 2252 async { Event::one_event };
1999 })->();
2000 }; 2253 };
2001 2254
2002 cfg_load; 2255 cfg_load;
2003 db_load; 2256 db_load;
2004 load_extensions; 2257 load_extensions;
2005 Event::loop; 2258 Event::loop;
2006} 2259}
2007 2260
2008############################################################################# 2261#############################################################################
2009# initialisation 2262# initialisation and cleanup
2263
2264# install some emergency cleanup handlers
2265BEGIN {
2266 for my $signal (qw(INT HUP TERM)) {
2267 Event->signal (
2268 data => WF_AUTOCANCEL,
2269 signal => $signal,
2270 cb => sub {
2271 cf::cleanup "SIG$signal";
2272 },
2273 );
2274 }
2275}
2276
2277sub emergency_save() {
2278 my $freeze_guard = cf::freeze_mainloop;
2279
2280 warn "enter emergency perl save\n";
2281
2282 cf::sync_job {
2283 # use a peculiar iteration method to avoid tripping on perl
2284 # refcount bugs in for. also avoids problems with players
2285 # and maps saved/Destroyed asynchronously.
2286 warn "begin emergency player save\n";
2287 for my $login (keys %cf::PLAYER) {
2288 my $pl = $cf::PLAYER{$login} or next;
2289 $pl->valid or next;
2290 $pl->save;
2291 }
2292 warn "end emergency player save\n";
2293
2294 warn "begin emergency map save\n";
2295 for my $path (keys %cf::MAP) {
2296 my $map = $cf::MAP{$path} or next;
2297 $map->valid or next;
2298 $map->save;
2299 }
2300 warn "end emergency map save\n";
2301 };
2302
2303 warn "leave emergency perl save\n";
2304}
2010 2305
2011sub reload() { 2306sub reload() {
2012 # can/must only be called in main 2307 # can/must only be called in main
2013 if ($Coro::current != $Coro::main) { 2308 if ($Coro::current != $Coro::main) {
2014 warn "can only reload from main coroutine\n"; 2309 warn "can only reload from main coroutine\n";
2015 return; 2310 return;
2016 } 2311 }
2017 2312
2018 warn "reloading..."; 2313 warn "reloading...";
2019 2314
2020 local $FREEZE = 1; 2315 warn "freezing server";
2316 my $guard = freeze_mainloop;
2021 cf::emergency_save; 2317 cf::emergency_save;
2318
2319 warn "sync database to disk";
2320 cf::db_sync;
2321 IO::AIO::flush;
2022 2322
2023 eval { 2323 eval {
2024 # if anything goes wrong in here, we should simply crash as we already saved 2324 # if anything goes wrong in here, we should simply crash as we already saved
2025 2325
2026 # cancel all watchers 2326 warn "cancel all watchers";
2027 for (Event::all_watchers) { 2327 for (Event::all_watchers) {
2028 $_->cancel if $_->data & WF_AUTOCANCEL; 2328 $_->cancel if $_->data & WF_AUTOCANCEL;
2029 } 2329 }
2030 2330
2031 # cancel all extension coros 2331 warn "cancel all extension coros";
2032 $_->cancel for values %EXT_CORO; 2332 $_->cancel for values %EXT_CORO;
2033 %EXT_CORO = (); 2333 %EXT_CORO = ();
2034 2334
2335 warn "remove commands";
2336 %COMMAND = ();
2337
2338 warn "remove ext commands";
2339 %EXTCMD = ();
2340
2035 # unload all extensions 2341 warn "unload/nuke all extensions";
2036 for (@exts) { 2342 for my $pkg (@EXTS) {
2037 warn "unloading <$_>"; 2343 warn "... unloading $pkg";
2038 unload_extension $_; 2344
2345 if (my $cb = $pkg->can ("unload")) {
2346 eval {
2347 $cb->($pkg);
2348 1
2349 } or warn "$pkg unloaded, but with errors: $@";
2039 } 2350 }
2040 2351
2352 warn "... nuking $pkg";
2353 Symbol::delete_package $pkg;
2354 }
2355
2041 # unload all modules loaded from $LIBDIR 2356 warn "unload all perl modules loaded from $LIBDIR";
2042 while (my ($k, $v) = each %INC) { 2357 while (my ($k, $v) = each %INC) {
2043 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2358 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2044 2359
2045 warn "removing <$k>"; 2360 warn "removing <$k>";
2046 delete $INC{$k}; 2361 delete $INC{$k};
2053 } 2368 }
2054 2369
2055 Symbol::delete_package $k; 2370 Symbol::delete_package $k;
2056 } 2371 }
2057 2372
2058 # sync database to disk
2059 cf::db_sync;
2060 IO::AIO::flush;
2061
2062 # get rid of safe::, as good as possible 2373 warn "get rid of safe::, as good as possible";
2063 Symbol::delete_package "safe::$_" 2374 Symbol::delete_package "safe::$_"
2064 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region); 2375 for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2065 2376
2066 # remove register_script_function callbacks
2067 # TODO
2068
2069 # unload cf.pm "a bit" 2377 warn "unload cf.pm \"a bit\"";
2070 delete $INC{"cf.pm"}; 2378 delete $INC{"cf.pm"};
2071 2379
2072 # don't, removes xs symbols, too, 2380 # don't, removes xs symbols, too,
2073 # and global variables created in xs 2381 # and global variables created in xs
2074 #Symbol::delete_package __PACKAGE__; 2382 #Symbol::delete_package __PACKAGE__;
2075 2383
2076 # reload cf.pm
2077 warn "reloading cf.pm"; 2384 warn "reloading cf.pm";
2078 require cf; 2385 require cf;
2079 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2386 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2080 2387
2081 # load config and database again 2388 warn "load config and database again";
2082 cf::cfg_load; 2389 cf::cfg_load;
2083 cf::db_load; 2390 cf::db_load;
2084 2391
2085 # load extensions
2086 warn "load extensions"; 2392 warn "load extensions";
2087 cf::load_extensions; 2393 cf::load_extensions;
2088 2394
2089 # reattach attachments to objects 2395 warn "reattach attachments to objects/players";
2090 warn "reattach";
2091 _global_reattach; 2396 _global_reattach;
2397 warn "reattach attachments to maps";
2398 reattach $_ for values %MAP;
2092 }; 2399 };
2093 2400
2094 if ($@) { 2401 if ($@) {
2095 warn $@; 2402 warn $@;
2096 warn "error while reloading, exiting."; 2403 warn "error while reloading, exiting.";
2097 exit 1; 2404 exit 1;
2098 } 2405 }
2099 2406
2100 warn "reloaded successfully"; 2407 warn "reloaded";
2101}; 2408};
2102 2409
2103############################################################################# 2410#############################################################################
2104 2411
2105unless ($LINK_MAP) { 2412unless ($LINK_MAP) {
2112 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2419 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2113 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2420 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2114 2421
2115 # dirty hack because... archetypes are not yet loaded 2422 # dirty hack because... archetypes are not yet loaded
2116 Event->timer ( 2423 Event->timer (
2117 after => 2, 2424 after => 10,
2118 cb => sub { 2425 cb => sub {
2119 $_[0]->w->cancel; 2426 $_[0]->w->cancel;
2120 2427
2121 # provide some exits "home" 2428 # provide some exits "home"
2122 my $exit = cf::object::new "exit"; 2429 my $exit = cf::object::new "exit";
2141 $LINK_MAP->{deny_reset} = 1; 2448 $LINK_MAP->{deny_reset} = 1;
2142 2449
2143 $cf::MAP{$LINK_MAP->path} = $LINK_MAP; 2450 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2144} 2451}
2145 2452
2146register "<global>", __PACKAGE__;
2147
2148register_command "reload" => sub { 2453register_command "reload" => sub {
2149 my ($who, $arg) = @_; 2454 my ($who, $arg) = @_;
2150 2455
2151 if ($who->flag (FLAG_WIZ)) { 2456 if ($who->flag (FLAG_WIZ)) {
2152 $who->message ("start of reload."); 2457 $who->message ("start of reload.");
2161 reentrant => 0, 2466 reentrant => 0,
2162 prio => 0, 2467 prio => 0,
2163 at => $NEXT_TICK || $TICK, 2468 at => $NEXT_TICK || $TICK,
2164 data => WF_AUTOCANCEL, 2469 data => WF_AUTOCANCEL,
2165 cb => sub { 2470 cb => sub {
2166 unless ($FREEZE) {
2167 cf::server_tick; # one server iteration 2471 cf::server_tick; # one server iteration
2168 $RUNTIME += $TICK; 2472 $RUNTIME += $TICK;
2169 }
2170
2171 $NEXT_TICK += $TICK; 2473 $NEXT_TICK += $TICK;
2474
2475 $WAIT_FOR_TICK->broadcast;
2476 $WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2172 2477
2173 # if we are delayed by four ticks or more, skip them all 2478 # if we are delayed by four ticks or more, skip them all
2174 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2479 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2175 2480
2176 $TICK_WATCHER->at ($NEXT_TICK); 2481 $TICK_WATCHER->at ($NEXT_TICK);

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