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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.131 by root, Thu Jan 4 00:53:54 2007 UTC vs.
Revision 1.161 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
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;
435 $path 477 $path
436} 478}
437 479
438# the original (read-only) location 480# the original (read-only) location
439sub load_path { 481sub load_path {
449 $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
450 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path} 492 : $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
451 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path 493 : sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
452} 494}
453 495
454# the unique path, might be eq to save_path 496# the unique path, undef == no special unique path
455sub uniq_path { 497sub uniq_path {
456 my ($self) = @_; 498 my ($self) = @_;
457 499
458 $self->{user_rel} || $self->{random}
459 ? undef
460 : sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path 500 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} 501}
469 502
470# this is somewhat ugly, but style maps do need special treatment 503# this is somewhat ugly, but style maps do need special treatment
471sub is_style_map { 504sub is_style_map {
472 $_[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 ($self->save_path)
473} 518}
474 519
475package cf; 520package cf;
476 521
477############################################################################# 522#############################################################################
927=cut 972=cut
928 973
929sub register_extcmd { 974sub register_extcmd {
930 my ($name, $cb) = @_; 975 my ($name, $cb) = @_;
931 976
932 my $caller = caller;
933 #warn "registering extcmd '$name' to '$caller'";
934
935 $EXTCMD{$name} = [$cb, $caller]; 977 $EXTCMD{$name} = $cb;
936} 978}
937 979
938cf::player->attach ( 980cf::player->attach (
939 on_command => sub { 981 on_command => sub {
940 my ($pl, $name, $params) = @_; 982 my ($pl, $name, $params) = @_;
953 995
954 my $msg = eval { from_json $buf }; 996 my $msg = eval { from_json $buf };
955 997
956 if (ref $msg) { 998 if (ref $msg) {
957 if (my $cb = $EXTCMD{$msg->{msgtype}}) { 999 if (my $cb = $EXTCMD{$msg->{msgtype}}) {
958 if (my %reply = $cb->[0]->($pl, $msg)) { 1000 if (my %reply = $cb->($pl, $msg)) {
959 $pl->ext_reply ($msg->{msgid}, %reply); 1001 $pl->ext_reply ($msg->{msgid}, %reply);
960 } 1002 }
961 } 1003 }
962 } else { 1004 } else {
963 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n"; 1005 warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
965 1007
966 cf::override; 1008 cf::override;
967 }, 1009 },
968); 1010);
969 1011
970sub register {
971 my ($base, $pkg) = @_;
972
973 #TODO
974}
975
976sub load_extension { 1012sub load_extension {
977 my ($path) = @_; 1013 my ($path) = @_;
978 1014
979 $path =~ /([^\/\\]+)\.ext$/ or die "$path"; 1015 $path =~ /([^\/\\]+)\.ext$/ or die "$path";
980 my $base = $1; 1016 my $base = $1;
981 my $pkg = $1; 1017 my $pkg = $1;
982 $pkg =~ s/[^[:word:]]/_/g; 1018 $pkg =~ s/[^[:word:]]/_/g;
983 $pkg = "ext::$pkg"; 1019 $pkg = "ext::$pkg";
984 1020
985 warn "loading '$path' into '$pkg'\n"; 1021 warn "... loading '$path' into '$pkg'\n";
986 1022
987 open my $fh, "<:utf8", $path 1023 open my $fh, "<:utf8", $path
988 or die "$path: $!"; 1024 or die "$path: $!";
989 1025
990 my $source = 1026 my $source =
995 1031
996 eval $source 1032 eval $source
997 or die $@ ? "$path: $@\n" 1033 or die $@ ? "$path: $@\n"
998 : "extension disabled.\n"; 1034 : "extension disabled.\n";
999 1035
1000 push @exts, $pkg; 1036 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} 1037}
1045 1038
1046sub load_extensions { 1039sub load_extensions {
1047 for my $ext (<$LIBDIR/*.ext>) { 1040 for my $ext (<$LIBDIR/*.ext>) {
1048 next unless -r $ext; 1041 next unless -r $ext;
1066}; 1059};
1067 1060
1068cf::map->attach (prio => -10000, package => cf::mapsupport::); 1061cf::map->attach (prio => -10000, package => cf::mapsupport::);
1069 1062
1070############################################################################# 1063#############################################################################
1071# load/save perl data associated with player->ob objects
1072
1073sub all_objects(@) {
1074 @_, map all_objects ($_->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 1064
1094=head2 CORE EXTENSIONS 1065=head2 CORE EXTENSIONS
1095 1066
1096Functions and methods that extend core crossfire objects. 1067Functions and methods that extend core crossfire objects.
1097 1068
1069=cut
1070
1071package cf::player;
1072
1073use Coro::AIO;
1074
1098=head3 cf::player 1075=head3 cf::player
1099 1076
1100=over 4 1077=over 4
1101 1078
1102=item cf::player::exists $login 1079=item cf::player::find $login
1103 1080
1104Returns true when the given account exists. 1081Returns the given player object, loading it if necessary (might block).
1105 1082
1106=cut 1083=cut
1107 1084
1108sub cf::player::exists($) { 1085sub playerdir($) {
1109 cf::player::find $_[0] 1086 cf::localdir
1110 or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[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
1111} 1231}
1112 1232
1113=item $player->ext_reply ($msgid, $msgtype, %msg) 1233=item $player->ext_reply ($msgid, $msgtype, %msg)
1114 1234
1115Sends an ext reply to the player. 1235Sends an ext reply to the player.
1116 1236
1117=cut 1237=cut
1118 1238
1119sub cf::player::ext_reply($$$%) { 1239sub ext_reply($$$%) {
1120 my ($self, $id, %msg) = @_; 1240 my ($self, $id, %msg) = @_;
1121 1241
1122 $msg{msgid} = $id; 1242 $msg{msgid} = $id;
1123 1243
1124 $self->send ("ext " . to_json \%msg); 1244 $self->send ("ext " . cf::to_json \%msg);
1125} 1245}
1246
1247package cf;
1126 1248
1127=back 1249=back
1128 1250
1129 1251
1130=head3 cf::map 1252=head3 cf::map
1136package cf::map; 1258package cf::map;
1137 1259
1138use Fcntl; 1260use Fcntl;
1139use Coro::AIO; 1261use Coro::AIO;
1140 1262
1141our $MAX_RESET = 7200; 1263our $MAX_RESET = 3600;
1142our $DEFAULT_RESET = 3600; 1264our $DEFAULT_RESET = 3000;
1143 1265
1144sub generate_random_map { 1266sub generate_random_map {
1145 my ($path, $rmp) = @_; 1267 my ($path, $rmp) = @_;
1146 1268
1147 # mit "rum" bekleckern, nicht 1269 # mit "rum" bekleckern, nicht
1167 1289
1168 $_->change_map_light ($change) 1290 $_->change_map_light ($change)
1169 for grep $_->outdoor, values %cf::MAP; 1291 for grep $_->outdoor, values %cf::MAP;
1170} 1292}
1171 1293
1172sub try_load_header($) { 1294sub load_map_header($) {
1173 my ($path) = @_; 1295 my ($path) = @_;
1174 1296
1175 utf8::encode $path; 1297 utf8::encode $path;
1176 aio_open $path, O_RDONLY, 0 1298 aio_open $path, O_RDONLY, 0
1177 or return; 1299 or return;
1178 1300
1179 my $map = cf::map::new 1301 my $map = cf::map::new
1180 or return; 1302 or return;
1181 1303
1304 # for better error messages only, will be overwritten later
1305 $map->path ($path);
1306
1182 $map->load_header ($path) 1307 $map->load_header ($path)
1183 or return; 1308 or return;
1184 1309
1185 $map->{load_path} = $path; 1310 $map->{load_path} = $path;
1186 1311
1187 $map 1312 $map
1188} 1313}
1189 1314
1190sub find_map; 1315sub find;
1191sub find_map { 1316sub find {
1192 my ($path, $origin) = @_; 1317 my ($path, $origin) = @_;
1193 1318
1194 #warn "find_map<$path,$origin>\n";#d# 1319 #warn "find<$path,$origin>\n";#d#
1195 1320
1196 $path = new cf::path $path, $origin && $origin->path; 1321 $path = new cf::path $path, $origin && $origin->path;
1197 my $key = $path->as_string; 1322 my $key = $path->as_string;
1198 1323
1199 cf::lock_wait "map_find:$key"; 1324 cf::lock_wait "map_find:$key";
1200 1325
1201 $cf::MAP{$key} || do { 1326 $cf::MAP{$key} || do {
1202 my $guard = cf::lock_acquire "map_find:$key"; 1327 my $guard = cf::lock_acquire "map_find:$key";
1203 1328
1204 # do it the slow way 1329 # do it the slow way
1205 my $map = try_load_header $path->save_path; 1330 my $map = $path->load_temp;
1331
1332 Coro::cede;
1206 1333
1207 if ($map) { 1334 if ($map) {
1335 $map->last_access ((delete $map->{last_access})
1336 || $cf::RUNTIME); #d#
1208 # safety 1337 # safety
1209 $map->{instantiate_time} = $cf::RUNTIME 1338 $map->{instantiate_time} = $cf::RUNTIME
1210 if $map->{instantiate_time} > $cf::RUNTIME; 1339 if $map->{instantiate_time} > $cf::RUNTIME;
1211 } else { 1340 } else {
1212 if (my $rmp = $path->random_map_params) { 1341 $map = $path->load_orig
1213 $map = generate_random_map $key, $rmp;
1214 } else {
1215 $map = try_load_header $path->load_path;
1216 }
1217
1218 $map or return; 1342 or return;
1219 1343
1220 $map->{load_original} = 1; 1344 $map->{load_original} = 1;
1221 $map->{instantiate_time} = $cf::RUNTIME; 1345 $map->{instantiate_time} = $cf::RUNTIME;
1346 $map->last_access ($cf::RUNTIME);
1222 $map->instantiate; 1347 $map->instantiate;
1223 1348
1224 # per-player maps become, after loading, normal maps 1349 # per-player maps become, after loading, normal maps
1225 $map->per_player (0) if $path->{user_rel}; 1350 $map->per_player (0) if $path->{user_rel};
1226 } 1351 }
1227 1352
1228 $map->path ($key); 1353 $map->path ($key);
1229 $map->{path} = $path; 1354 $map->{path} = $path;
1230 $map->{last_save} = $cf::RUNTIME; 1355 $map->{last_save} = $cf::RUNTIME;
1231 $map->last_access ($cf::RUNTIME); 1356
1357 Coro::cede;
1232 1358
1233 if ($map->should_reset) { 1359 if ($map->should_reset) {
1234 $map->reset; 1360 $map->reset;
1235 undef $guard; 1361 undef $guard;
1236 $map = find_map $path 1362 $map = find $path
1237 or return; 1363 or return;
1238 } 1364 }
1239 1365
1240 $cf::MAP{$key} = $map 1366 $cf::MAP{$key} = $map
1241 } 1367 }
1263 if (aio_open $uniq, O_RDONLY, 0) { 1389 if (aio_open $uniq, O_RDONLY, 0) {
1264 $self->clear_unique_items; 1390 $self->clear_unique_items;
1265 $self->load_objects ($uniq, 0); 1391 $self->load_objects ($uniq, 0);
1266 } 1392 }
1267 } 1393 }
1394
1395 Coro::cede;
1268 1396
1269 # now do the right thing for maps 1397 # now do the right thing for maps
1270 $self->link_multipart_objects; 1398 $self->link_multipart_objects;
1271 1399
1272 if ($self->{path}->is_style_map) { 1400 if ($self->{path}->is_style_map) {
1280 $self->difficulty ($self->estimate_difficulty) 1408 $self->difficulty ($self->estimate_difficulty)
1281 unless $self->difficulty; 1409 unless $self->difficulty;
1282 $self->activate; 1410 $self->activate;
1283 } 1411 }
1284 1412
1413 Coro::cede;
1414
1285 $self->in_memory (cf::MAP_IN_MEMORY); 1415 $self->in_memory (cf::MAP_IN_MEMORY);
1286} 1416}
1287 1417
1288sub load_map_sync { 1418# find and load all maps in the 3x3 area around a map
1419sub load_diag {
1420 my ($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 $neigh->load;
1439 }
1440}
1441
1442sub find_sync {
1289 my ($path, $origin) = @_; 1443 my ($path, $origin) = @_;
1290 1444
1291 #warn "load_map_sync<$path, $origin>\n";#d# 1445 cf::sync_job { find $path, $origin }
1446}
1292 1447
1293 cf::sync_job { 1448sub do_load_sync {
1294 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
1295 or return; 1459 or next;
1460 my $path = delete $MAP_PREFETCH{$key};
1461
1462 my $map = find $path
1463 or next;
1296 $map->load; 1464 $map->load;
1297 $map 1465 }
1466 Coro::schedule;
1298 } 1467 }
1468};
1469
1470sub find_async {
1471 my ($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 $MAP_PREFETCHER->ready;
1482
1483 ()
1299} 1484}
1300 1485
1301sub save { 1486sub save {
1302 my ($self) = @_; 1487 my ($self) = @_;
1303 1488
1489 my $lock = cf::lock_acquire "map_data:" . $self->path;
1490
1304 $self->{last_save} = $cf::RUNTIME; 1491 $self->{last_save} = $cf::RUNTIME;
1305 1492
1306 return unless $self->dirty; 1493 return unless $self->dirty;
1307 1494
1308 my $save = $self->{path}->save_path; utf8::encode $save; 1495 my $save = $self->{path}->save_path; utf8::encode $save;
1309 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq; 1496 my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1310 1497
1311 $self->{load_path} = $save; 1498 $self->{load_path} = $save;
1312 1499
1313 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 $self->players;
1506 };
1314 1507
1315 if ($uniq) { 1508 if ($uniq) {
1316 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS); 1509 $self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1317 $self->save_objects ($uniq, cf::IO_UNIQUES); 1510 $self->save_objects ($uniq, cf::IO_UNIQUES);
1318 } else { 1511 } else {
1324 my ($self) = @_; 1517 my ($self) = @_;
1325 1518
1326 # save first because save cedes 1519 # save first because save cedes
1327 $self->save; 1520 $self->save;
1328 1521
1522 my $lock = cf::lock_acquire "map_data:" . $self->path;
1523
1329 return if $self->players; 1524 return if $self->players;
1330 return if $self->in_memory != cf::MAP_IN_MEMORY; 1525 return if $self->in_memory != cf::MAP_IN_MEMORY;
1331 return if $self->{deny_save}; 1526 return if $self->{deny_save};
1332 1527
1333 $self->clear; 1528 $self->clear;
1375} 1570}
1376 1571
1377sub reset { 1572sub reset {
1378 my ($self) = @_; 1573 my ($self) = @_;
1379 1574
1575 my $lock = cf::lock_acquire "map_data:" . $self->path;
1576
1380 return if $self->players; 1577 return if $self->players;
1381 return if $self->{path}{user_rel};#d# 1578 return if $self->{path}{user_rel};#d#
1382 1579
1383 warn "resetting map ", $self->path;#d# 1580 warn "resetting map ", $self->path;#d#
1384 1581
1403 1600
1404sub customise_for { 1601sub customise_for {
1405 my ($map, $ob) = @_; 1602 my ($map, $ob) = @_;
1406 1603
1407 if ($map->per_player) { 1604 if ($map->per_player) {
1408 return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path}; 1605 return cf::map::find "~" . $ob->name . "/" . $map->{path}{path};
1409 } 1606 }
1410 1607
1411 $map 1608 $map
1412} 1609}
1413 1610
1414sub emergency_save { 1611=item cf::map::unique_maps
1415 local $cf::FREEZE = 1;
1416 1612
1417 warn "enter emergency map save\n"; 1613Returns an arrayref of cf::path's of all shared maps that have
1614instantiated unique items. May block.
1418 1615
1419 cf::sync_job { 1616=cut
1420 warn "begin emergency map save\n"; 1617
1421 $_->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 $_;
1422 }; 1630 }
1423 1631
1424 warn "end emergency map save\n"; 1632 \@paths
1425} 1633}
1426 1634
1427package cf; 1635package cf;
1428 1636
1429=back 1637=back
1430 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
1431 1665
1432=head3 cf::object::player 1666=head3 cf::object::player
1433 1667
1434=over 4 1668=over 4
1435 1669
1510 my $link_pos = delete $self->{_link_pos}; 1744 my $link_pos = delete $self->{_link_pos};
1511 1745
1512 unless ($map) { 1746 unless ($map) {
1513 # restore original map position 1747 # restore original map position
1514 ($map, $x, $y) = @{ $link_pos || [] }; 1748 ($map, $x, $y) = @{ $link_pos || [] };
1515 $map = cf::map::find_map $map; 1749 $map = cf::map::find $map;
1516 1750
1517 unless ($map) { 1751 unless ($map) {
1518 ($map, $x, $y) = @$EMERGENCY_POSITION; 1752 ($map, $x, $y) = @$EMERGENCY_POSITION;
1519 $map = cf::map::find_map $map 1753 $map = cf::map::find $map
1520 or die "FATAL: cannot load emergency map\n"; 1754 or die "FATAL: cannot load emergency map\n";
1521 } 1755 }
1522 } 1756 }
1523 1757
1524 ($x, $y) = (-1, -1) 1758 ($x, $y) = (-1, -1)
1527 # use -1 or undef as default coordinates, not 0, 0 1761 # use -1 or undef as default coordinates, not 0, 0
1528 ($x, $y) = ($map->enter_x, $map->enter_y) 1762 ($x, $y) = ($map->enter_x, $map->enter_y)
1529 if $x <=0 && $y <= 0; 1763 if $x <=0 && $y <= 0;
1530 1764
1531 $map->load; 1765 $map->load;
1766 $map->load_diag;
1532 1767
1768 return unless $self->contr->active;
1533 $self->activate_recursive; 1769 $self->activate_recursive;
1534 $self->enter_map ($map, $x, $y); 1770 $self->enter_map ($map, $x, $y);
1535} 1771}
1536 1772
1537cf::player->attach ( 1773cf::player->attach (
1550 1786
1551 # try to abort aborted map switching on player login :) 1787 # try to abort aborted map switching on player login :)
1552 # should happen only on crashes 1788 # should happen only on crashes
1553 if ($pl->ob->{_link_pos}) { 1789 if ($pl->ob->{_link_pos}) {
1554 $pl->ob->enter_link; 1790 $pl->ob->enter_link;
1555 cf::async { 1791 (async {
1556 # 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
1557 # 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);
1558 Coro::Timer::sleep 1; 1798 Coro::Timer::sleep 1;
1559 $pl->ob->leave_link; 1799 $pl->ob->leave_link;
1560 }; 1800 })->prio (2);
1561 } 1801 }
1562 }, 1802 },
1563); 1803);
1564 1804
1565=item $player_object->goto_map ($path, $x, $y) 1805=item $player_object->goto ($path, $x, $y)
1566 1806
1567=cut 1807=cut
1568 1808
1569sub cf::object::player::goto_map { 1809sub cf::object::player::goto {
1570 my ($self, $path, $x, $y) = @_; 1810 my ($self, $path, $x, $y) = @_;
1571 1811
1812 $path = new cf::path $path;
1813
1572 $self->enter_link; 1814 $self->enter_link;
1573 1815
1574 (cf::async { 1816 (async {
1575 $path = new cf::path $path;
1576
1577 my $map = cf::map::find_map $path->as_string; 1817 my $map = cf::map::find $path->as_string;
1578 $map = $map->customise_for ($self) if $map; 1818 $map = $map->customise_for ($self) if $map;
1579 1819
1580# warn "entering ", $map->path, " at ($x, $y)\n" 1820# warn "entering ", $map->path, " at ($x, $y)\n"
1581# if $map; 1821# if $map;
1582 1822
1583 $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);
1584 1824
1585 $self->leave_link ($map, $x, $y); 1825 $self->leave_link ($map, $x, $y);
1586 })->prio (1); 1826 })->prio (1);
1587} 1827}
1588 1828
1641 1881
1642 return unless $self->type == cf::PLAYER; 1882 return unless $self->type == cf::PLAYER;
1643 1883
1644 $self->enter_link; 1884 $self->enter_link;
1645 1885
1646 (cf::async { 1886 (async {
1887 $self->deactivate_recursive; # just to be sure
1647 unless (eval { 1888 unless (eval {
1648 prepare_random_map $exit 1889 prepare_random_map $exit
1649 if $exit->slaying eq "/!"; 1890 if $exit->slaying eq "/!";
1650 1891
1651 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;
1652 $self->goto_map ($path, $exit->stats->hp, $exit->stats->sp); 1893 $self->goto ($path, $exit->stats->hp, $exit->stats->sp);
1653 1894
1654 1; 1895 1;
1655 }) { 1896 }) {
1656 $self->message ("Something went wrong deep within the crossfire server. " 1897 $self->message ("Something went wrong deep within the crossfire server. "
1657 . "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. "
1658 . "Please report this to the dungeon master", 1899 . "Please report this to the dungeon master!",
1659 cf::NDI_UNIQUE | cf::NDI_RED); 1900 cf::NDI_UNIQUE | cf::NDI_RED);
1660 1901
1661 warn "ERROR in enter_exit: $@"; 1902 warn "ERROR in enter_exit: $@";
1662 $self->leave_link; 1903 $self->leave_link;
1663 } 1904 }
1731 } 1972 }
1732 } 1973 }
1733 }, 1974 },
1734); 1975);
1735 1976
1736=item $client->coro (\&cb) 1977=item $client->async (\&cb)
1737 1978
1738Create a new coroutine, running the specified callback. The coroutine will 1979Create a new coroutine, running the specified callback. The coroutine will
1739be automatically cancelled when the client gets destroyed (e.g. on logout, 1980be automatically cancelled when the client gets destroyed (e.g. on logout,
1740or loss of connection). 1981or loss of connection).
1741 1982
1742=cut 1983=cut
1743 1984
1744sub cf::client::coro { 1985sub cf::client::async {
1745 my ($self, $cb) = @_; 1986 my ($self, $cb) = @_;
1746 1987
1747 my $coro = &cf::async ($cb); 1988 my $coro = &Coro::async ($cb);
1748 1989
1749 $coro->on_destroy (sub { 1990 $coro->on_destroy (sub {
1750 delete $self->{_coro}{$coro+0}; 1991 delete $self->{_coro}{$coro+0};
1751 }); 1992 });
1752 1993
1990 local $/; 2231 local $/;
1991 *CFG = YAML::Syck::Load <$fh>; 2232 *CFG = YAML::Syck::Load <$fh>;
1992 2233
1993 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37]; 2234 $EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
1994 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
1995 if (exists $CFG{mlockall}) { 2239 if (exists $CFG{mlockall}) {
1996 eval { 2240 eval {
1997 $CFG{mlockall} ? &mlockall : &munlockall 2241 $CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
1998 and die "WARNING: m(un)lockall failed: $!\n"; 2242 and die "WARNING: m(un)lockall failed: $!\n";
1999 }; 2243 };
2000 warn $@ if $@; 2244 warn $@ if $@;
2001 } 2245 }
2002} 2246}
2003 2247
2004sub main { 2248sub main {
2005 # we must not ever block the main coroutine 2249 # we must not ever block the main coroutine
2006 local $Coro::idle = sub { 2250 local $Coro::idle = sub {
2007 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#
2008 (Coro::unblock_sub {
2009 Event::one_event; 2252 async { Event::one_event };
2010 })->();
2011 }; 2253 };
2012 2254
2013 cfg_load; 2255 cfg_load;
2014 db_load; 2256 db_load;
2015 load_extensions; 2257 load_extensions;
2016 Event::loop; 2258 Event::loop;
2017} 2259}
2018 2260
2019############################################################################# 2261#############################################################################
2020# 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 $map->save;
2299 }
2300 warn "end emergency map save\n";
2301 };
2302
2303 warn "leave emergency perl save\n";
2304}
2021 2305
2022sub reload() { 2306sub reload() {
2023 # can/must only be called in main 2307 # can/must only be called in main
2024 if ($Coro::current != $Coro::main) { 2308 if ($Coro::current != $Coro::main) {
2025 warn "can only reload from main coroutine\n"; 2309 warn "can only reload from main coroutine\n";
2026 return; 2310 return;
2027 } 2311 }
2028 2312
2029 warn "reloading..."; 2313 warn "reloading...";
2030 2314
2031 local $FREEZE = 1; 2315 warn "freezing server";
2316 my $guard = freeze_mainloop;
2032 cf::emergency_save; 2317 cf::emergency_save;
2318
2319 warn "sync database to disk";
2320 cf::db_sync;
2321 IO::AIO::flush;
2033 2322
2034 eval { 2323 eval {
2035 # 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
2036 2325
2037 # cancel all watchers 2326 warn "cancel all watchers";
2038 for (Event::all_watchers) { 2327 for (Event::all_watchers) {
2039 $_->cancel if $_->data & WF_AUTOCANCEL; 2328 $_->cancel if $_->data & WF_AUTOCANCEL;
2040 } 2329 }
2041 2330
2042 # cancel all extension coros 2331 warn "cancel all extension coros";
2043 $_->cancel for values %EXT_CORO; 2332 $_->cancel for values %EXT_CORO;
2044 %EXT_CORO = (); 2333 %EXT_CORO = ();
2045 2334
2335 warn "remove commands";
2336 %COMMAND = ();
2337
2338 warn "remove ext commands";
2339 %EXTCMD = ();
2340
2046 # unload all extensions 2341 warn "unload/nuke all extensions";
2047 for (@exts) { 2342 for my $pkg (@EXTS) {
2048 warn "unloading <$_>"; 2343 warn "... unloading $pkg";
2049 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: $@";
2050 } 2350 }
2051 2351
2352 warn "... nuking $pkg";
2353 Symbol::delete_package $pkg;
2354 }
2355
2052 # unload all modules loaded from $LIBDIR 2356 warn "unload all perl modules loaded from $LIBDIR";
2053 while (my ($k, $v) = each %INC) { 2357 while (my ($k, $v) = each %INC) {
2054 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/; 2358 next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2055 2359
2056 warn "removing <$k>"; 2360 warn "removing <$k>";
2057 delete $INC{$k}; 2361 delete $INC{$k};
2064 } 2368 }
2065 2369
2066 Symbol::delete_package $k; 2370 Symbol::delete_package $k;
2067 } 2371 }
2068 2372
2069 # sync database to disk
2070 cf::db_sync;
2071 IO::AIO::flush;
2072
2073 # get rid of safe::, as good as possible 2373 warn "get rid of safe::, as good as possible";
2074 Symbol::delete_package "safe::$_" 2374 Symbol::delete_package "safe::$_"
2075 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);
2076 2376
2077 # remove register_script_function callbacks
2078 # TODO
2079
2080 # unload cf.pm "a bit" 2377 warn "unload cf.pm \"a bit\"";
2081 delete $INC{"cf.pm"}; 2378 delete $INC{"cf.pm"};
2082 2379
2083 # don't, removes xs symbols, too, 2380 # don't, removes xs symbols, too,
2084 # and global variables created in xs 2381 # and global variables created in xs
2085 #Symbol::delete_package __PACKAGE__; 2382 #Symbol::delete_package __PACKAGE__;
2086 2383
2087 # reload cf.pm
2088 warn "reloading cf.pm"; 2384 warn "reloading cf.pm";
2089 require cf; 2385 require cf;
2090 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt 2386 cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
2091 2387
2092 # load config and database again 2388 warn "load config and database again";
2093 cf::cfg_load; 2389 cf::cfg_load;
2094 cf::db_load; 2390 cf::db_load;
2095 2391
2096 # load extensions
2097 warn "load extensions"; 2392 warn "load extensions";
2098 cf::load_extensions; 2393 cf::load_extensions;
2099 2394
2100 # reattach attachments to objects 2395 warn "reattach attachments to objects/players";
2101 warn "reattach";
2102 _global_reattach; 2396 _global_reattach;
2397 warn "reattach attachments to maps";
2398 reattach $_ for values %MAP;
2103 }; 2399 };
2104 2400
2105 if ($@) { 2401 if ($@) {
2106 warn $@; 2402 warn $@;
2107 warn "error while reloading, exiting."; 2403 warn "error while reloading, exiting.";
2108 exit 1; 2404 exit 1;
2109 } 2405 }
2110 2406
2111 warn "reloaded successfully"; 2407 warn "reloaded";
2112}; 2408};
2113 2409
2114############################################################################# 2410#############################################################################
2115 2411
2116unless ($LINK_MAP) { 2412unless ($LINK_MAP) {
2123 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path"; 2419 $LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
2124 $LINK_MAP->in_memory (MAP_IN_MEMORY); 2420 $LINK_MAP->in_memory (MAP_IN_MEMORY);
2125 2421
2126 # dirty hack because... archetypes are not yet loaded 2422 # dirty hack because... archetypes are not yet loaded
2127 Event->timer ( 2423 Event->timer (
2128 after => 2, 2424 after => 10,
2129 cb => sub { 2425 cb => sub {
2130 $_[0]->w->cancel; 2426 $_[0]->w->cancel;
2131 2427
2132 # provide some exits "home" 2428 # provide some exits "home"
2133 my $exit = cf::object::new "exit"; 2429 my $exit = cf::object::new "exit";
2152 $LINK_MAP->{deny_reset} = 1; 2448 $LINK_MAP->{deny_reset} = 1;
2153 2449
2154 $cf::MAP{$LINK_MAP->path} = $LINK_MAP; 2450 $cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2155} 2451}
2156 2452
2157register "<global>", __PACKAGE__;
2158
2159register_command "reload" => sub { 2453register_command "reload" => sub {
2160 my ($who, $arg) = @_; 2454 my ($who, $arg) = @_;
2161 2455
2162 if ($who->flag (FLAG_WIZ)) { 2456 if ($who->flag (FLAG_WIZ)) {
2163 $who->message ("start of reload."); 2457 $who->message ("start of reload.");
2172 reentrant => 0, 2466 reentrant => 0,
2173 prio => 0, 2467 prio => 0,
2174 at => $NEXT_TICK || $TICK, 2468 at => $NEXT_TICK || $TICK,
2175 data => WF_AUTOCANCEL, 2469 data => WF_AUTOCANCEL,
2176 cb => sub { 2470 cb => sub {
2177 unless ($FREEZE) {
2178 cf::server_tick; # one server iteration 2471 cf::server_tick; # one server iteration
2179 $RUNTIME += $TICK; 2472 $RUNTIME += $TICK;
2180 }
2181
2182 $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;
2183 2477
2184 # 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
2185 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4; 2479 $NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2186 2480
2187 $TICK_WATCHER->at ($NEXT_TICK); 2481 $TICK_WATCHER->at ($NEXT_TICK);

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