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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.114 by root, Mon Jan 1 16:00:10 2007 UTC vs.
Revision 1.221 by pippijn, Fri Mar 2 13:32:52 2007 UTC

…		…
8	use Storable;	8	use Storable;
9	use Opcode;	9	use Opcode;
10	use Safe;	10	use Safe;
11	use Safe::Hole;	11	use Safe::Hole;
12		12
13	use Coro 3.3;	13	use Coro 3.5 ();
14	use Coro::Event;	14	use Coro::Event;
15	use Coro::Timer;	15	use Coro::Timer;
16	use Coro::Signal;	16	use Coro::Signal;
17	use Coro::Semaphore;	17	use Coro::Semaphore;
18	use Coro::AIO;	18	use Coro::AIO;
19		19
		20	use BDB ();
		21	use Data::Dumper;
20	use Digest::MD5;	22	use Digest::MD5;
21	use Fcntl;	23	use Fcntl;
22	use IO::AIO 2.31 ();	24	use IO::AIO 2.32 ();
23	use YAML::Syck ();	25	use YAML::Syck ();
24	use Time::HiRes;	26	use Time::HiRes;
		27	use Compress::LZF;
		28
		29	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
25		30
26	use Event; $Event::Eval = 1; # no idea why this is required, but it is	31	use Event; $Event::Eval = 1; # no idea why this is required, but it is
		32
		33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
27		34
28	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?	35	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
29	$YAML::Syck::ImplicitUnicode = 1;	36	$YAML::Syck::ImplicitUnicode = 1;
30		37
31	$Coro::main->prio (2); # run main coroutine ("the server") with very high priority	38	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
32
33	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
34		39
35	our %COMMAND = ();	40	our %COMMAND = ();
36	our %COMMAND_TIME = ();	41	our %COMMAND_TIME = ();
		42
		43	our @EXTS = (); # list of extension package names
37	our %EXTCMD = ();	44	our %EXTCMD = ();
		45	our %EXT_CORO = (); # coroutines bound to extensions
		46	our %EXT_MAP = (); # pluggable maps
38		47
39	our @EVENT;	48	our @EVENT;
40	our $LIBDIR = datadir . "/ext";	49	our $LIBDIR = datadir . "/ext";
41		50
42	our $TICK = MAX_TIME * 1e-6;	51	our $TICK = MAX_TIME * 1e-6;
43	our $TICK_WATCHER;	52	our $TICK_WATCHER;
		53	our $AIO_POLL_WATCHER;
		54	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
44	our $NEXT_TICK;	55	our $NEXT_TICK;
45	our $NOW;	56	our $NOW;
		57	our $USE_FSYNC = 1; # use fsync to write maps - default off
		58
		59	our $BDB_POLL_WATCHER;
		60	our $DB_ENV;
46		61
47	our %CFG;	62	our %CFG;
48		63
49	our $UPTIME; $UPTIME ||= time;	64	our $UPTIME; $UPTIME ||= time;
50	our $RUNTIME;	65	our $RUNTIME;
51		66
		67	our %PLAYER; # all users
52	our %MAP; # all maps	68	our %MAP; # all maps
53	our $LINK_MAP; # the special {link} map	69	our $LINK_MAP; # the special {link} map, which is always available
54	our $FREEZE;
55	our $RANDOM_MAPS = cf::localdir . "/random";	70	our $RANDOM_MAPS = cf::localdir . "/random";
56	our %EXT_CORO;	71	our $BDB_ENV_DIR = cf::localdir . "/db";
		72
		73	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
		74	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
		75
		76	# used to convert map paths into valid unix filenames by replacing / by ∕
		77	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
57		78
58	binmode STDOUT;	79	binmode STDOUT;
59	binmode STDERR;	80	binmode STDERR;
60		81
61	# read virtual server time, if available	82	# read virtual server time, if available
…		…
68	mkdir cf::localdir;	89	mkdir cf::localdir;
69	mkdir cf::localdir . "/" . cf::playerdir;	90	mkdir cf::localdir . "/" . cf::playerdir;
70	mkdir cf::localdir . "/" . cf::tmpdir;	91	mkdir cf::localdir . "/" . cf::tmpdir;
71	mkdir cf::localdir . "/" . cf::uniquedir;	92	mkdir cf::localdir . "/" . cf::uniquedir;
72	mkdir $RANDOM_MAPS;	93	mkdir $RANDOM_MAPS;
		94	mkdir $BDB_ENV_DIR;
73		95
74	# a special map that is always available	96	our $EMERGENCY_POSITION;
75	our $LINK_MAP;
76		97
77	our $EMERGENCY_POSITION = $cf::CFG{emergency_position} || ["/world/world_105_115", 5, 37];	98	sub cf::map::normalise;
78		99
79	#############################################################################	100	#############################################################################
80		101
81	=head2 GLOBAL VARIABLES	102	=head2 GLOBAL VARIABLES
82		103
…		…
106		127
107	=item %cf::CFG	128	=item %cf::CFG
108		129
109	Configuration for the server, loaded from C</etc/crossfire/config>, or	130	Configuration for the server, loaded from C</etc/crossfire/config>, or
110	from wherever your confdir points to.	131	from wherever your confdir points to.
		132
		133	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE
		134
		135	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)
		136	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick
		137	processing has been done. Call C<< ->wait >> on them to maximise the
		138	window of cpu time available, or simply to synchronise to the server tick.
111		139
112	=back	140	=back
113		141
114	=cut	142	=cut
115		143
…		…
119	utf8::encode $msg;	147	utf8::encode $msg;
120		148
121	$msg .= "\n"	149	$msg .= "\n"
122	unless $msg =~ /\n$/;	150	unless $msg =~ /\n$/;
123		151
124	LOG llevError, "cfperl: $msg";	152	LOG llevError, $msg;
125	};	153	};
126	}	154	}
127		155
128	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	156	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
129	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	157	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
…		…
147		175
148	$Event::DIED = sub {	176	$Event::DIED = sub {
149	warn "error in event callback: @_";	177	warn "error in event callback: @_";
150	};	178	};
151		179
152	my %ext_pkg;
153	my @exts;
154	my @hook;
155
156	=head2 UTILITY FUNCTIONS	180	=head2 UTILITY FUNCTIONS
157		181
158	=over 4	182	=over 4
159		183
		184	=item dumpval $ref
		185
160	=cut	186	=cut
		187
		188	sub dumpval {
		189	eval {
		190	local $SIG{__DIE__};
		191	my $d;
		192	if (1) {
		193	$d = new Data::Dumper([$_[0]], ["*var"]);
		194	$d->Terse(1);
		195	$d->Indent(2);
		196	$d->Quotekeys(0);
		197	$d->Useqq(1);
		198	#$d->Bless(...);
		199	$d->Seen($_[1]) if @_ > 1;
		200	$d = $d->Dump();
		201	}
		202	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
		203	$d
		204	} || "[unable to dump $_[0]: '$@']";
		205	}
161		206
162	use JSON::Syck (); # TODO# replace by JSON::PC once working	207	use JSON::Syck (); # TODO# replace by JSON::PC once working
163		208
164	=item $ref = cf::from_json $json	209	=item $ref = cf::from_json $json
165		210
…		…
180		225
181	sub to_json($) {	226	sub to_json($) {
182	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	227	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs
183	JSON::Syck::Dump $_[0]	228	JSON::Syck::Dump $_[0]
184	}	229	}
		230
		231	=item cf::lock_wait $string
		232
		233	Wait until the given lock is available. See cf::lock_acquire.
		234
		235	=item my $lock = cf::lock_acquire $string
		236
		237	Wait until the given lock is available and then acquires it and returns
		238	a Coro::guard object. If the guard object gets destroyed (goes out of scope,
		239	for example when the coroutine gets canceled), the lock is automatically
		240	returned.
		241
		242	Lock names should begin with a unique identifier (for example, cf::map::find
		243	uses map_find and cf::map::load uses map_load).
		244
		245	=cut
		246
		247	our %LOCK;
		248
		249	sub lock_wait($) {
		250	my ($key) = @_;
		251
		252	# wait for lock, if any
		253	while ($LOCK{$key}) {
		254	push @{ $LOCK{$key} }, $Coro::current;
		255	Coro::schedule;
		256	}
		257	}
		258
		259	sub lock_acquire($) {
		260	my ($key) = @_;
		261
		262	# wait, to be sure we are not locked
		263	lock_wait $key;
		264
		265	$LOCK{$key} = [];
		266
		267	Coro::guard {
		268	# wake up all waiters, to be on the safe side
		269	$_->ready for @{ delete $LOCK{$key} };
		270	}
		271	}
		272
		273	sub freeze_mainloop {
		274	return unless $TICK_WATCHER->is_active;
		275
		276	my $guard = Coro::guard {
		277	$TICK_WATCHER->start;
		278	};
		279	$TICK_WATCHER->stop;
		280	$guard
		281	}
		282
		283	=item cf::async { BLOCK }
		284
		285	Currently the same as Coro::async_pool, meaning you cannot use
		286	C<on_destroy>, C<join> or other gimmicks on these coroutines. The only
		287	thing you are allowed to do is call C<prio> on it.
		288
		289	=cut
		290
		291	BEGIN { *async = \&Coro::async_pool }
185		292
186	=item cf::sync_job { BLOCK }	293	=item cf::sync_job { BLOCK }
187		294
188	The design of crossfire+ requires that the main coro ($Coro::main) is	295	The design of crossfire+ requires that the main coro ($Coro::main) is
189	always able to handle events or runnable, as crossfire+ is only partly	296	always able to handle events or runnable, as crossfire+ is only partly
…		…
203	# this is the main coro, too bad, we have to block	310	# this is the main coro, too bad, we have to block
204	# till the operation succeeds, freezing the server :/	311	# till the operation succeeds, freezing the server :/
205		312
206	# TODO: use suspend/resume instead	313	# TODO: use suspend/resume instead
207	# (but this is cancel-safe)	314	# (but this is cancel-safe)
208	local $FREEZE = 1;	315	my $freeze_guard = freeze_mainloop;
209		316
210	my $busy = 1;	317	my $busy = 1;
211	my @res;	318	my @res;
212		319
213	(Coro::async {	320	(async {
214	@res = eval { $job->() };	321	@res = eval { $job->() };
215	warn $@ if $@;	322	warn $@ if $@;
216	undef $busy;	323	undef $busy;
217	})->prio (Coro::PRIO_MAX);	324	})->prio (Coro::PRIO_MAX);
218		325
219	while ($busy) {	326	while ($busy) {
220	Coro::cede_notself;	327	Coro::cede or Event::one_event;
221	Event::one_event unless Coro::nready;
222	}	328	}
223		329
224	wantarray ? @res : $res[0]	330	wantarray ? @res : $res[0]
225	} else {	331	} else {
226	# we are in another coroutine, how wonderful, everything just works	332	# we are in another coroutine, how wonderful, everything just works
227		333
228	$job->()	334	$job->()
229	}	335	}
230	}	336	}
231		337
232	=item $coro = cf::coro { BLOCK }	338	=item $coro = cf::async_ext { BLOCK }
233		339
234	Creates and returns a new coro. This coro is automcatially being canceled	340	Like async, but this coro is automatically being canceled when the
235	when the extension calling this is being unloaded.	341	extension calling this is being unloaded.
236		342
237	=cut	343	=cut
238		344
239	sub coro(&) {	345	sub async_ext(&) {
240	my $cb = shift;	346	my $cb = shift;
241		347
242	my $coro; $coro = async {	348	my $coro = &Coro::async ($cb);
243	eval {
244	$cb->();
245	};
246	warn $@ if $@;
247	};
248		349
249	$coro->on_destroy (sub {	350	$coro->on_destroy (sub {
250	delete $EXT_CORO{$coro+0};	351	delete $EXT_CORO{$coro+0};
251	});	352	});
252	$EXT_CORO{$coro+0} = $coro;	353	$EXT_CORO{$coro+0} = $coro;
253		354
254	$coro	355	$coro
255	}	356	}
256		357
257	sub write_runtime {	358	sub write_runtime {
		359	my $guard = cf::lock_acquire "write_runtime";
		360
258	my $runtime = cf::localdir . "/runtime";	361	my $runtime = cf::localdir . "/runtime";
259		362
260	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	363	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644
261	or return;	364	or return;
262		365
		366	my $value = $cf::RUNTIME + 90 + 10;
263	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	367	# 10 is the runtime save interval, for a monotonic clock
		368	# 60 allows for the watchdog to kill the server.
		369
264	(aio_write $fh, 0, (length $value), $value, 0) <= 0	370	(aio_write $fh, 0, (length $value), $value, 0) <= 0
265	and return;	371	and return;
266		372
		373	# always fsync - this file is important
267	aio_fsync $fh	374	aio_fsync $fh
268	and return;	375	and return;
269		376
270	close $fh	377	close $fh
271	or return;	378	or return;
…		…
277	}	384	}
278		385
279	=back	386	=back
280		387
281	=cut	388	=cut
282
283	#############################################################################
284
285	package cf::path;
286
287	sub new {
288	my ($class, $path, $base) = @_;
289
290	$path = $path->as_string if ref $path;
291
292	my $self = bless { }, $class;
293
294	# {... are special paths that are not touched
295	# ?xxx/... are special absolute paths
296	# ?random/... random maps
297	# /! non-realised random map exit
298	# /... normal maps
299	# ~/... per-player maps without a specific player (DO NOT USE)
300	# ~user/... per-player map of a specific user
301
302	if ($path =~ /^{/) {
303	# fine as it is
304	} elsif ($path =~ s{^\?random/}{}) {
305	Coro::AIO::aio_load "$cf::RANDOM_MAPS/$path.meta", my $data;
306	$self->{random} = cf::from_json $data;
307	} else {
308	if ($path =~ s{^~([^/]+)?}{}) {
309	$self->{user_rel} = 1;
310
311	if (defined $1) {
312	$self->{user} = $1;
313	} elsif ($base =~ m{^~([^/]+)/}) {
314	$self->{user} = $1;
315	} else {
316	warn "cannot resolve user-relative path without user <$path,$base>\n";
317	}
318	} elsif ($path =~ /^\//) {
319	# already absolute
320	} else {
321	$base =~ s{[^/]+/?$}{};
322	return $class->new ("$base/$path");
323	}
324
325	for ($path) {
326	redo if s{/\.?/}{/};
327	redo if s{/[^/]+/\.\./}{/};
328	}
329	}
330
331	$self->{path} = $path;
332
333	$self
334	}
335
336	# the name / primary key / in-game path
337	sub as_string {
338	my ($self) = @_;
339
340	$self->{user_rel} ? "~$self->{user}$self->{path}"
341	: $self->{random} ? "?random/$self->{path}"
342	: $self->{path}
343	}
344
345	# the displayed name, this is a one way mapping
346	sub visible_name {
347	my ($self) = @_;
348
349	# if (my $rmp = $self->{random}) {
350	# # todo: be more intelligent about this
351	# "?random/$rmp->{origin_map}+$rmp->{origin_x}+$rmp->{origin_y}/$rmp->{dungeon_level}"
352	# } else {
353	$self->as_string
354	# }
355	}
356
357	# escape the /'s in the path
358	sub _escaped_path {
359	# ∕ is U+2215
360	(my $path = $_[0]{path}) =~ s/\//∕/g;
361	$path
362	}
363
364	# the original (read-only) location
365	sub load_path {
366	my ($self) = @_;
367
368	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}
369	}
370
371	# the temporary/swap location
372	sub save_path {
373	my ($self) = @_;
374
375	$self->{user_rel} ? sprintf "%s/%s/%s/%s", cf::localdir, cf::playerdir, $self->{user}, $self->_escaped_path
376	: $self->{random} ? sprintf "%s/%s", $RANDOM_MAPS, $self->{path}
377	: sprintf "%s/%s/%s", cf::localdir, cf::tmpdir, $self->_escaped_path
378	}
379
380	# the unique path, might be eq to save_path
381	sub uniq_path {
382	my ($self) = @_;
383
384	$self->{user_rel} || $self->{random}
385	? undef
386	: sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path
387	}
388
389	# return random map parameters, or undef
390	sub random_map_params {
391	my ($self) = @_;
392
393	$self->{random}
394	}
395
396	# this is somewhat ugly, but style maps do need special treatment
397	sub is_style_map {
398	$_[0]{path} =~ m{^/styles/}
399	}
400
401	package cf;
402		389
403	#############################################################################	390	#############################################################################
404		391
405	=head2 ATTACHABLE OBJECTS	392	=head2 ATTACHABLE OBJECTS
406		393
…		…
532	our @CB_TYPE = (); # registry for type (cf-object class) based events	519	our @CB_TYPE = (); # registry for type (cf-object class) based events
533	our @CB_MAP = ();	520	our @CB_MAP = ();
534		521
535	my %attachment;	522	my %attachment;
536		523
		524	sub cf::attachable::thawer_merge {
		525	# simply override everything except _meta
		526	local $_[0]{_meta};
		527	%{$_[0]} = %{$_[1]};
		528	}
		529
537	sub _attach_cb($$$$) {	530	sub _attach_cb($$$$) {
538	my ($registry, $event, $prio, $cb) = @_;	531	my ($registry, $event, $prio, $cb) = @_;
539		532
540	use sort 'stable';	533	use sort 'stable';
541		534
…		…
712	# object support	705	# object support
713		706
714	sub reattach {	707	sub reattach {
715	# basically do the same as instantiate, without calling instantiate	708	# basically do the same as instantiate, without calling instantiate
716	my ($obj) = @_;	709	my ($obj) = @_;
		710
		711	bless $obj, ref $obj; # re-bless in case extensions have been reloaded
717		712
718	my $registry = $obj->registry;	713	my $registry = $obj->registry;
719		714
720	@$registry = ();	715	@$registry = ();
721		716
…		…
768	$filename, length $$rdata, scalar @$objs;	763	$filename, length $$rdata, scalar @$objs;
769		764
770	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	765	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
771	chmod SAVE_MODE, $fh;	766	chmod SAVE_MODE, $fh;
772	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	767	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
773	aio_fsync $fh;	768	aio_fsync $fh if $cf::USE_FSYNC;
774	close $fh;	769	close $fh;
775		770
776	if (@$objs) {	771	if (@$objs) {
777	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	772	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
778	chmod SAVE_MODE, $fh;	773	chmod SAVE_MODE, $fh;
779	my $data = Storable::nfreeze { version => 1, objs => $objs };	774	my $data = Storable::nfreeze { version => 1, objs => $objs };
780	aio_write $fh, 0, (length $data), $data, 0;	775	aio_write $fh, 0, (length $data), $data, 0;
781	aio_fsync $fh;	776	aio_fsync $fh if $cf::USE_FSYNC;
782	close $fh;	777	close $fh;
783	aio_rename "$filename.pst~", "$filename.pst";	778	aio_rename "$filename.pst~", "$filename.pst";
784	}	779	}
785	} else {	780	} else {
786	aio_unlink "$filename.pst";	781	aio_unlink "$filename.pst";
…		…
817	(aio_load "$filename.pst", $av) >= 0	812	(aio_load "$filename.pst", $av) >= 0
818	or return;	813	or return;
819	$av = eval { (Storable::thaw $av)->{objs} };	814	$av = eval { (Storable::thaw $av)->{objs} };
820	}	815	}
821		816
		817	warn sprintf "loading %s (%d)\n",
		818	$filename, length $data, scalar @{$av || []};#d#
822	return ($data, $av);	819	return ($data, $av);
823	}	820	}
824		821
825	#############################################################################	822	#############################################################################
826	# command handling &c	823	# command handling &c
…		…
851	=cut	848	=cut
852		849
853	sub register_extcmd {	850	sub register_extcmd {
854	my ($name, $cb) = @_;	851	my ($name, $cb) = @_;
855		852
856	my $caller = caller;
857	#warn "registering extcmd '$name' to '$caller'";
858
859	$EXTCMD{$name} = [$cb, $caller];	853	$EXTCMD{$name} = $cb;
860	}	854	}
861		855
862	cf::player->attach (	856	cf::player->attach (
863	on_command => sub {	857	on_command => sub {
864	my ($pl, $name, $params) = @_;	858	my ($pl, $name, $params) = @_;
…		…
877		871
878	my $msg = eval { from_json $buf };	872	my $msg = eval { from_json $buf };
879		873
880	if (ref $msg) {	874	if (ref $msg) {
881	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	875	if (my $cb = $EXTCMD{$msg->{msgtype}}) {
882	if (my %reply = $cb->[0]->($pl, $msg)) {	876	if (my %reply = $cb->($pl, $msg)) {
883	$pl->ext_reply ($msg->{msgid}, %reply);	877	$pl->ext_reply ($msg->{msgid}, %reply);
884	}	878	}
885	}	879	}
886	} else {	880	} else {
887	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	881	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
…		…
889		883
890	cf::override;	884	cf::override;
891	},	885	},
892	);	886	);
893		887
894	sub register {
895	my ($base, $pkg) = @_;
896
897	#TODO
898	}
899
900	sub load_extension {	888	sub load_extension {
901	my ($path) = @_;	889	my ($path) = @_;
902		890
903	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	891	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
904	my $base = $1;	892	my $base = $1;
905	my $pkg = $1;	893	my $pkg = $1;
906	$pkg =~ s/[^[:word:]]/_/g;	894	$pkg =~ s/[^[:word:]]/_/g;
907	$pkg = "ext::$pkg";	895	$pkg = "ext::$pkg";
908		896
909	warn "loading '$path' into '$pkg'\n";	897	warn "... loading '$path' into '$pkg'\n";
910		898
911	open my $fh, "<:utf8", $path	899	open my $fh, "<:utf8", $path
912	or die "$path: $!";	900	or die "$path: $!";
913		901
914	my $source =	902	my $source =
915	"package $pkg; use strict; use utf8;\n"	903	"package $pkg; use strict; use utf8;\n"
916	. "#line 1 \"$path\"\n{\n"	904	. "#line 1 \"$path\"\n{\n"
917	. (do { local $/; <$fh> })	905	. (do { local $/; <$fh> })
918	. "\n};\n1";	906	. "\n};\n1";
919		907
920	eval $source	908	unless (eval $source) {
921	or die $@ ? "$path: $@\n"	909	my $msg = $@ ? "$path: $@\n"
922	: "extension disabled.\n";	910	: "extension disabled.\n";
923		911	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
924	push @exts, $pkg;	912	warn $@;
925	$ext_pkg{$base} = $pkg;	913	warn "mandatory extension failed to load, exiting.\n";
926		914	exit 1;
927	# no strict 'refs';	915	}
928	# @{"$pkg\::ISA"} = ext::;	916	die $@;
929
930	register $base, $pkg;
931	}
932
933	sub unload_extension {
934	my ($pkg) = @_;
935
936	warn "removing extension $pkg\n";
937
938	# remove hooks
939	#TODO
940	# for my $idx (0 .. $#PLUGIN_EVENT) {
941	# delete $hook[$idx]{$pkg};
942	# }	917	}
943		918
944	# remove commands	919	push @EXTS, $pkg;
945	for my $name (keys %COMMAND) {
946	my @cb = grep $_->[0] ne $pkg, @{ $COMMAND{$name} };
947
948	if (@cb) {
949	$COMMAND{$name} = \@cb;
950	} else {
951	delete $COMMAND{$name};
952	}
953	}
954
955	# remove extcmds
956	for my $name (grep $EXTCMD{$_}[1] eq $pkg, keys %EXTCMD) {
957	delete $EXTCMD{$name};
958	}
959
960	if (my $cb = $pkg->can ("unload")) {
961	eval {
962	$cb->($pkg);
963	1
964	} or warn "$pkg unloaded, but with errors: $@";
965	}
966
967	Symbol::delete_package $pkg;
968	}	920	}
969		921
970	sub load_extensions {	922	sub load_extensions {
971	for my $ext (<$LIBDIR/*.ext>) {	923	for my $ext (<$LIBDIR/*.ext>) {
972	next unless -r $ext;	924	next unless -r $ext;
…		…
976	} or warn "$ext not loaded: $@";	928	} or warn "$ext not loaded: $@";
977	}	929	}
978	}	930	}
979		931
980	#############################################################################	932	#############################################################################
981	# load/save/clean perl data associated with a map
982
983	*cf::mapsupport::on_clean = sub {
984	my ($map) = @_;
985
986	my $path = $map->tmpname;
987	defined $path or return;
988
989	unlink "$path.pst";
990	};
991
992	cf::map->attach (prio => -10000, package => cf::mapsupport::);
993
994	#############################################################################
995	# load/save perl data associated with player->ob objects
996
997	sub all_objects(@) {
998	@_, map all_objects ($_->inv), @_
999	}
1000
1001	# TODO: compatibility cruft, remove when no longer needed
1002	cf::player->attach (
1003	on_load => sub {
1004	my ($pl, $path) = @_;
1005
1006	for my $o (all_objects $pl->ob) {
1007	if (my $value = $o->get_ob_key_value ("_perl_data")) {
1008	$o->set_ob_key_value ("_perl_data");
1009
1010	%$o = %{ Storable::thaw pack "H*", $value };
1011	}
1012	}
1013	},
1014	);
1015
1016	#############################################################################
1017		933
1018	=head2 CORE EXTENSIONS	934	=head2 CORE EXTENSIONS
1019		935
1020	Functions and methods that extend core crossfire objects.	936	Functions and methods that extend core crossfire objects.
1021		937
		938	=cut
		939
		940	package cf::player;
		941
		942	use Coro::AIO;
		943
1022	=head3 cf::player	944	=head3 cf::player
1023		945
1024	=over 4	946	=over 4
1025		947
1026	=item cf::player::exists $login	948	=item cf::player::find $login
1027		949
1028	Returns true when the given account exists.	950	Returns the given player object, loading it if necessary (might block).
1029		951
1030	=cut	952	=cut
1031		953
1032	sub cf::player::exists($) {	954	sub playerdir($) {
1033	cf::player::find $_[0]	955	cf::localdir
1034	or -f sprintf "%s/%s/%s/%s.pl", cf::localdir, cf::playerdir, ($_[0]) x 2;	956	. "/"
		957	. cf::playerdir
		958	. "/"
		959	. (ref $_[0] ? $_[0]->ob->name : $_[0])
		960	}
		961
		962	sub path($) {
		963	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
		964
		965	(playerdir $login) . "/$login.pl"
		966	}
		967
		968	sub find_active($) {
		969	$cf::PLAYER{$_[0]}
		970	and $cf::PLAYER{$_[0]}->active
		971	and $cf::PLAYER{$_[0]}
		972	}
		973
		974	sub exists($) {
		975	my ($login) = @_;
		976
		977	$cf::PLAYER{$login}
		978	or cf::sync_job { !aio_stat path $login }
		979	}
		980
		981	sub find($) {
		982	return $cf::PLAYER{$_[0]} || do {
		983	my $login = $_[0];
		984
		985	my $guard = cf::lock_acquire "user_find:$login";
		986
		987	$cf::PLAYER{$_[0]} || do {
		988	my $pl = load_pl path $login
		989	or return;
		990	$cf::PLAYER{$login} = $pl
		991	}
		992	}
		993	}
		994
		995	sub save($) {
		996	my ($pl) = @_;
		997
		998	return if $pl->{deny_save};
		999
		1000	my $path = path $pl;
		1001	my $guard = cf::lock_acquire "user_save:$path";
		1002
		1003	return if $pl->{deny_save};
		1004
		1005	aio_mkdir playerdir $pl, 0770;
		1006	$pl->{last_save} = $cf::RUNTIME;
		1007
		1008	$pl->save_pl ($path);
		1009	Coro::cede;
		1010	}
		1011
		1012	sub new($) {
		1013	my ($login) = @_;
		1014
		1015	my $self = create;
		1016
		1017	$self->ob->name ($login);
		1018	$self->{deny_save} = 1;
		1019
		1020	$cf::PLAYER{$login} = $self;
		1021
		1022	$self
		1023	}
		1024
		1025	=item $pl->quit_character
		1026
		1027	Nukes the player without looking back. If logged in, the connection will
		1028	be destroyed. May block for a long time.
		1029
		1030	=cut
		1031
		1032	sub quit_character {
		1033	my ($pl) = @_;
		1034
		1035	my $name = $pl->ob->name;
		1036
		1037	$pl->{deny_save} = 1;
		1038	$pl->password ("*"); # this should lock out the player until we nuked the dir
		1039
		1040	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
		1041	$pl->deactivate;
		1042	$pl->invoke (cf::EVENT_PLAYER_QUIT);
		1043	$pl->ns->destroy if $pl->ns;
		1044
		1045	my $path = playerdir $pl;
		1046	my $temp = "$path~$cf::RUNTIME~deleting~";
		1047	aio_rename $path, $temp;
		1048	delete $cf::PLAYER{$pl->ob->name};
		1049	$pl->destroy;
		1050
		1051	my $prefix = qr<^~\Q$name\E/>;
		1052
		1053	# nuke player maps
		1054	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1055
		1056	IO::AIO::aio_rmtree $temp;
		1057	}
		1058
		1059	=item $pl->kick
		1060
		1061	Kicks a player out of the game. This destroys the connection.
		1062
		1063	=cut
		1064
		1065	sub kick {
		1066	my ($pl, $kicker) = @_;
		1067
		1068	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1069	$pl->killer ("kicked");
		1070	$pl->ns->destroy;
		1071	}
		1072
		1073	=item cf::player::list_logins
		1074
		1075	Returns am arrayref of all valid playernames in the system, can take a
		1076	while and may block, so not sync_job-capable, ever.
		1077
		1078	=cut
		1079
		1080	sub list_logins {
		1081	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir
		1082	or return [];
		1083
		1084	my @logins;
		1085
		1086	for my $login (@$dirs) {
		1087	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;
		1088	aio_read $fh, 0, 512, my $buf, 0 or next;
		1089	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1090
		1091	utf8::decode $login;
		1092	push @logins, $login;
		1093	}
		1094
		1095	\@logins
		1096	}
		1097
		1098	=item $player->maps
		1099
		1100	Returns an arrayref of map paths that are private for this
		1101	player. May block.
		1102
		1103	=cut
		1104
		1105	sub maps($) {
		1106	my ($pl) = @_;
		1107
		1108	$pl = ref $pl ? $pl->ob->name : $pl;
		1109
		1110	my $files = aio_readdir playerdir $pl
		1111	or return;
		1112
		1113	my @paths;
		1114
		1115	for (@$files) {
		1116	utf8::decode $_;
		1117	next if /\.(?:pl|pst)$/;
		1118	next unless /^$PATH_SEP/o;
		1119
		1120	push @paths, cf::map::normalise "~$pl/$_";
		1121	}
		1122
		1123	\@paths
1035	}	1124	}
1036		1125
1037	=item $player->ext_reply ($msgid, $msgtype, %msg)	1126	=item $player->ext_reply ($msgid, $msgtype, %msg)
1038		1127
1039	Sends an ext reply to the player.	1128	Sends an ext reply to the player.
1040		1129
1041	=cut	1130	=cut
1042		1131
1043	sub cf::player::ext_reply($$$%) {	1132	sub ext_reply($$$%) {
1044	my ($self, $id, %msg) = @_;	1133	my ($self, $id, %msg) = @_;
1045		1134
1046	$msg{msgid} = $id;	1135	$msg{msgid} = $id;
1047		1136
1048	$self->send ("ext " . to_json \%msg);	1137	$self->send ("ext " . cf::to_json \%msg);
1049	}	1138	}
		1139
		1140	package cf;
1050		1141
1051	=back	1142	=back
1052		1143
1053		1144
1054	=head3 cf::map	1145	=head3 cf::map
…		…
1060	package cf::map;	1151	package cf::map;
1061		1152
1062	use Fcntl;	1153	use Fcntl;
1063	use Coro::AIO;	1154	use Coro::AIO;
1064		1155
		1156	use overload
		1157	'""' => \&as_string,
		1158	fallback => 1;
		1159
1065	our $MAX_RESET = 7200;	1160	our $MAX_RESET = 3600;
1066	our $DEFAULT_RESET = 3600;	1161	our $DEFAULT_RESET = 3000;
1067		1162
1068	sub generate_random_map {	1163	sub generate_random_map {
1069	my ($path, $rmp) = @_;	1164	my ($self, $rmp) = @_;
1070
1071	# mit "rum" bekleckern, nicht	1165	# mit "rum" bekleckern, nicht
1072	cf::map::_create_random_map	1166	$self->_create_random_map (
1073	$path,
1074	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1167	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1075	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1168	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},
1076	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1169	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1077	$rmp->{exit_on_final_map},	1170	$rmp->{exit_on_final_map},
1078	$rmp->{xsize}, $rmp->{ysize},	1171	$rmp->{xsize}, $rmp->{ysize},
1079	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1172	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1080	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1173	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
1081	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},	1174	$rmp->{dungeon_level}, $rmp->{dungeon_depth}, $rmp->{decoroptions}, $rmp->{orientation},
1082	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},	1175	$rmp->{origin_y}, $rmp->{origin_x}, $rmp->{random_seed}, $rmp->{total_map_hp},
1083	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1176	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1084	(cf::region::find $rmp->{region})	1177	(cf::region::find $rmp->{region}), $rmp->{custom}
		1178	)
		1179	}
		1180
		1181	=item cf::map->register ($regex, $prio)
		1182
		1183	Register a handler for the map path matching the given regex at the
		1184	givne priority (higher is better, built-in handlers have priority 0, the
		1185	default).
		1186
		1187	=cut
		1188
		1189	sub register {
		1190	my (undef, $regex, $prio) = @_;
		1191	my $pkg = caller;
		1192
		1193	no strict;
		1194	push @{"$pkg\::ISA"}, __PACKAGE__;
		1195
		1196	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
		1197	}
		1198
		1199	# also paths starting with '/'
		1200	$EXT_MAP{"cf::map"} = [0, qr{^(?=/)}];
		1201
		1202	sub thawer_merge {
		1203	my ($self, $merge) = @_;
		1204
		1205	# we have to keep some variables in memory intact
		1206	local $self->{path};
		1207	local $self->{load_path};
		1208	local $self->{deny_save};
		1209	local $self->{deny_reset};
		1210
		1211	$self->SUPER::thawer_merge ($merge);
		1212	}
		1213
		1214	sub normalise {
		1215	my ($path, $base) = @_;
		1216
		1217	$path = "$path"; # make sure its a string
		1218
		1219	$path =~ s/\.map$//;
		1220
		1221	# map plan:
		1222	#
		1223	# /! non-realised random map exit (special hack!)
		1224	# {... are special paths that are not being touched
		1225	# ?xxx/... are special absolute paths
		1226	# ?random/... random maps
		1227	# /... normal maps
		1228	# ~user/... per-player map of a specific user
		1229
		1230	$path =~ s/$PATH_SEP/\//go;
		1231
		1232	# treat it as relative path if it starts with
		1233	# something that looks reasonable
		1234	if ($path =~ m{^(?:\./|\.\./|\w)}) {
		1235	$base or Carp::carp "normalise called with relative path and no base: '$path'";
		1236
		1237	$base =~ s{[^/]+/?$}{};
		1238	$path = "$base/$path";
		1239	}
		1240
		1241	for ($path) {
		1242	redo if s{//}{/};
		1243	redo if s{/\.?/}{/};
		1244	redo if s{/[^/]+/\.\./}{/};
		1245	}
		1246
		1247	$path
		1248	}
		1249
		1250	sub new_from_path {
		1251	my (undef, $path, $base) = @_;
		1252
		1253	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
		1254
		1255	$path = normalise $path, $base;
		1256
		1257	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
		1258	if ($path =~ $EXT_MAP{$pkg}[1]) {
		1259	my $self = bless cf::map::new, $pkg;
		1260	$self->{path} = $path; $self->path ($path);
		1261	$self->init; # pass $1 etc.
		1262	return $self;
		1263	}
		1264	}
		1265
		1266	Carp::carp "unable to resolve path '$path' (base '$base').";
		1267	()
		1268	}
		1269
		1270	sub init {
		1271	my ($self) = @_;
		1272
		1273	$self
		1274	}
		1275
		1276	sub as_string {
		1277	my ($self) = @_;
		1278
		1279	"$self->{path}"
		1280	}
		1281
		1282	# the displayed name, this is a one way mapping
		1283	sub visible_name {
		1284	&as_string
		1285	}
		1286
		1287	# the original (read-only) location
		1288	sub load_path {
		1289	my ($self) = @_;
		1290
		1291	sprintf "%s/%s/%s.map", cf::datadir, cf::mapdir, $self->{path}
		1292	}
		1293
		1294	# the temporary/swap location
		1295	sub save_path {
		1296	my ($self) = @_;
		1297
		1298	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1299	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $path
		1300	}
		1301
		1302	# the unique path, undef == no special unique path
		1303	sub uniq_path {
		1304	my ($self) = @_;
		1305
		1306	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
		1307	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $path
1085	}	1308	}
1086		1309
1087	# and all this just because we cannot iterate over	1310	# and all this just because we cannot iterate over
1088	# all maps in C++...	1311	# all maps in C++...
1089	sub change_all_map_light {	1312	sub change_all_map_light {
1090	my ($change) = @_;	1313	my ($change) = @_;
1091		1314
1092	$_->change_map_light ($change) for values %cf::MAP;	1315	$_->change_map_light ($change)
		1316	for grep $_->outdoor, values %cf::MAP;
1093	}	1317	}
1094		1318
		1319	sub unlink_save {
		1320	my ($self) = @_;
		1321
		1322	utf8::encode (my $save = $self->save_path);
		1323	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
		1324	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
		1325	}
		1326
1095	sub try_load_header($) {	1327	sub load_header_from($) {
1096	my ($path) = @_;	1328	my ($self, $path) = @_;
1097		1329
1098	utf8::encode $path;	1330	utf8::encode $path;
1099	aio_open $path, O_RDONLY, 0	1331	#aio_open $path, O_RDONLY, 0
		1332	# or return;
		1333
		1334	$self->_load_header ($path)
1100	or return;	1335	or return;
1101		1336
1102	my $map = cf::map::new	1337	$self->{load_path} = $path;
		1338
		1339	1
		1340	}
		1341
		1342	sub load_header_orig {
		1343	my ($self) = @_;
		1344
		1345	$self->load_header_from ($self->load_path)
		1346	}
		1347
		1348	sub load_header_temp {
		1349	my ($self) = @_;
		1350
		1351	$self->load_header_from ($self->save_path)
		1352	}
		1353
		1354	sub prepare_temp {
		1355	my ($self) = @_;
		1356
		1357	$self->last_access ((delete $self->{last_access})
		1358	|| $cf::RUNTIME); #d#
		1359	# safety
		1360	$self->{instantiate_time} = $cf::RUNTIME
		1361	if $self->{instantiate_time} > $cf::RUNTIME;
		1362	}
		1363
		1364	sub prepare_orig {
		1365	my ($self) = @_;
		1366
		1367	$self->{load_original} = 1;
		1368	$self->{instantiate_time} = $cf::RUNTIME;
		1369	$self->last_access ($cf::RUNTIME);
		1370	$self->instantiate;
		1371	}
		1372
		1373	sub load_header {
		1374	my ($self) = @_;
		1375
		1376	if ($self->load_header_temp) {
		1377	$self->prepare_temp;
		1378	} else {
		1379	$self->load_header_orig
1103	or return;	1380	or return;
		1381	$self->prepare_orig;
		1382	}
1104		1383
1105	$map->load_header ($path)	1384	1
1106	or return;
1107
1108	$map->{load_path} = $path;
1109
1110	$map
1111	}	1385	}
1112		1386
		1387	sub find;
1113	sub find_map {	1388	sub find {
1114	my ($path, $origin) = @_;	1389	my ($path, $origin) = @_;
1115		1390
1116	#warn "find_map<$path,$origin>\n";#d#
1117
1118	$path = new cf::path $path, $origin && $origin->path;	1391	$path = normalise $path, $origin && $origin->path;
1119	my $key = $path->as_string;
1120		1392
		1393	cf::lock_wait "map_find:$path";
		1394
1121	$cf::MAP{$key} || do {	1395	$cf::MAP{$path} || do {
1122	# do it the slow way	1396	my $guard = cf::lock_acquire "map_find:$path";
1123	my $map = try_load_header $path->save_path;	1397	my $map = new_from_path cf::map $path
1124
1125	if ($map) {
1126	# safety
1127	$map->{instantiate_time} = $cf::RUNTIME
1128	if $map->{instantiate_time} > $cf::RUNTIME;
1129	} else {
1130	if (my $rmp = $path->random_map_params) {
1131	$map = generate_random_map $key, $rmp;
1132	} else {
1133	$map = try_load_header $path->load_path;
1134	}
1135
1136	$map or return;	1398	or return;
1137		1399
1138	$map->{load_original} = 1;
1139	$map->{instantiate_time} = $cf::RUNTIME;
1140	$map->instantiate;
1141
1142	# per-player maps become, after loading, normal maps
1143	$map->per_player (0) if $path->{user_rel};
1144	}
1145
1146	$map->path ($key);
1147	$map->{path} = $path;
1148	$map->last_access ($cf::RUNTIME);	1400	$map->{last_save} = $cf::RUNTIME;
1149		1401
1150	if ($map->should_reset) {	1402	$map->load_header
		1403	or return;
		1404
		1405	if ($map->should_reset && 0) {#d#TODO# disabled, crashy (locking issue?)
		1406	# doing this can freeze the server in a sync job, obviously
		1407	#$cf::WAIT_FOR_TICK->wait;
1151	$map->reset;	1408	$map->reset;
1152	$map = find_map $path;	1409	undef $guard;
		1410	return find $path;
1153	}	1411	}
1154		1412
1155	$cf::MAP{$key} = $map	1413	$cf::MAP{$path} = $map
1156	}	1414	}
1157	}	1415	}
		1416
		1417	sub pre_load { }
		1418	sub post_load { }
1158		1419
1159	sub load {	1420	sub load {
1160	my ($self) = @_;	1421	my ($self) = @_;
1161		1422
		1423	local $self->{deny_reset} = 1; # loading can take a long time
		1424
		1425	my $path = $self->{path};
		1426	my $guard = cf::lock_acquire "map_load:$path";
		1427
1162	return if $self->in_memory != cf::MAP_SWAPPED;	1428	return if $self->in_memory != cf::MAP_SWAPPED;
1163		1429
1164	$self->in_memory (cf::MAP_LOADING);	1430	$self->in_memory (cf::MAP_LOADING);
1165		1431
1166	my $path = $self->{path};
1167
1168	$self->alloc;	1432	$self->alloc;
		1433
		1434	$self->pre_load;
		1435
1169	$self->load_objects ($self->{load_path}, 1)	1436	$self->_load_objects ($self->{load_path}, 1)
1170	or return;	1437	or return;
1171		1438
1172	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	1439	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)
1173	if delete $self->{load_original};	1440	if delete $self->{load_original};
1174		1441
1175	if (my $uniq = $path->uniq_path) {	1442	if (my $uniq = $self->uniq_path) {
1176	utf8::encode $uniq;	1443	utf8::encode $uniq;
1177	if (aio_open $uniq, O_RDONLY, 0) {	1444	if (aio_open $uniq, O_RDONLY, 0) {
1178	$self->clear_unique_items;	1445	$self->clear_unique_items;
1179	$self->load_objects ($uniq, 0);	1446	$self->_load_objects ($uniq, 0);
1180	}	1447	}
1181	}	1448	}
		1449
		1450	Coro::cede;
1182		1451
1183	# now do the right thing for maps	1452	# now do the right thing for maps
1184	$self->link_multipart_objects;	1453	$self->link_multipart_objects;
1185		1454
1186	if ($self->{path}->is_style_map) {	1455	unless ($self->{deny_activate}) {
1187	$self->{deny_save} = 1;	1456	$self->decay_objects;
1188	$self->{deny_reset} = 1;
1189	} else {
1190	$self->fix_auto_apply;	1457	$self->fix_auto_apply;
1191	$self->decay_objects;
1192	$self->update_buttons;	1458	$self->update_buttons;
		1459	Coro::cede;
1193	$self->set_darkness_map;	1460	$self->set_darkness_map;
1194	$self->difficulty ($self->estimate_difficulty)	1461	$self->difficulty ($self->estimate_difficulty)
1195	unless $self->difficulty;	1462	unless $self->difficulty;
		1463	Coro::cede;
1196	$self->activate;	1464	$self->activate;
1197	}	1465	}
1198		1466
		1467	$self->post_load;
		1468
1199	$self->in_memory (cf::MAP_IN_MEMORY);	1469	$self->in_memory (cf::MAP_IN_MEMORY);
1200	}	1470	}
1201		1471
1202	sub load_map_sync {	1472	sub customise_for {
		1473	my ($self, $ob) = @_;
		1474
		1475	return find "~" . $ob->name . "/" . $self->{path}
		1476	if $self->per_player;
		1477
		1478	$self
		1479	}
		1480
		1481	# find and load all maps in the 3x3 area around a map
		1482	sub load_diag {
		1483	my ($map) = @_;
		1484
		1485	my @diag; # diagonal neighbours
		1486
		1487	for (0 .. 3) {
		1488	my $neigh = $map->tile_path ($_)
		1489	or next;
		1490	$neigh = find $neigh, $map
		1491	or next;
		1492	$neigh->load;
		1493
		1494	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],
		1495	[$neigh->tile_path (($_ + 1) % 4), $neigh];
		1496	}
		1497
		1498	for (@diag) {
		1499	my $neigh = find @$_
		1500	or next;
		1501	$neigh->load;
		1502	}
		1503	}
		1504
		1505	sub find_sync {
1203	my ($path, $origin) = @_;	1506	my ($path, $origin) = @_;
1204		1507
1205	#warn "load_map_sync<$path, $origin>\n";#d#	1508	cf::sync_job { find $path, $origin }
		1509	}
1206		1510
1207	cf::sync_job {	1511	sub do_load_sync {
1208	my $map = cf::map::find_map $path, $origin	1512	my ($map) = @_;
1209	or return;	1513
		1514	cf::sync_job { $map->load };
		1515	}
		1516
		1517	our %MAP_PREFETCH;
		1518	our $MAP_PREFETCHER = undef;
		1519
		1520	sub find_async {
		1521	my ($path, $origin) = @_;
		1522
		1523	$path = normalise $path, $origin && $origin->{path};
		1524
		1525	if (my $map = $cf::MAP{$path}) {
		1526	return $map if $map->in_memory == cf::MAP_IN_MEMORY;
		1527	}
		1528
		1529	undef $MAP_PREFETCH{$path};
		1530	$MAP_PREFETCHER ||= cf::async {
		1531	while (%MAP_PREFETCH) {
		1532	for my $path (keys %MAP_PREFETCH) {
		1533	my $map = find $path
		1534	or next;
1210	$map->load;	1535	$map->load;
1211	$map	1536
		1537	delete $MAP_PREFETCH{$path};
		1538	}
		1539	}
		1540	undef $MAP_PREFETCHER;
1212	}	1541	};
		1542	$MAP_PREFETCHER->prio (6);
		1543
		1544	()
1213	}	1545	}
1214		1546
1215	sub save {	1547	sub save {
1216	my ($self) = @_;	1548	my ($self) = @_;
1217		1549
1218	my $save = $self->{path}->save_path; utf8::encode $save;	1550	my $lock = cf::lock_acquire "map_data:" . $self->path;
1219	my $uniq = $self->{path}->uniq_path; utf8::encode $uniq;
1220		1551
1221	$self->{last_save} = $cf::RUNTIME;	1552	$self->{last_save} = $cf::RUNTIME;
1222		1553
1223	return unless $self->dirty;	1554	return unless $self->dirty;
1224		1555
		1556	my $save = $self->save_path; utf8::encode $save;
		1557	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1558
1225	$self->{load_path} = $save;	1559	$self->{load_path} = $save;
1226		1560
1227	return if $self->{deny_save};	1561	return if $self->{deny_save};
1228		1562
		1563	local $self->{last_access} = $self->last_access;#d#
		1564
		1565	cf::async {
		1566	$_->contr->save for $self->players;
		1567	};
		1568
1229	if ($uniq) {	1569	if ($uniq) {
1230	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	1570	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1231	$self->save_objects ($uniq, cf::IO_UNIQUES);	1571	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1232	} else {	1572	} else {
1233	$self->save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	1573	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1234	}	1574	}
1235	}	1575	}
1236		1576
1237	sub swap_out {	1577	sub swap_out {
1238	my ($self) = @_;	1578	my ($self) = @_;
		1579
		1580	# save first because save cedes
		1581	$self->save;
		1582
		1583	my $lock = cf::lock_acquire "map_data:" . $self->path;
1239		1584
1240	return if $self->players;	1585	return if $self->players;
1241	return if $self->in_memory != cf::MAP_IN_MEMORY;	1586	return if $self->in_memory != cf::MAP_IN_MEMORY;
1242	return if $self->{deny_save};	1587	return if $self->{deny_save};
1243		1588
1244	$self->save;
1245	$self->clear;	1589	$self->clear;
1246	$self->in_memory (cf::MAP_SWAPPED);	1590	$self->in_memory (cf::MAP_SWAPPED);
1247	}	1591	}
1248		1592
1249	sub reset_at {	1593	sub reset_at {
1250	my ($self) = @_;	1594	my ($self) = @_;
1251		1595
1252	# TODO: safety, remove and allow resettable per-player maps	1596	# TODO: safety, remove and allow resettable per-player maps
1253	return 1e99 if $self->{path}{user_rel};	1597	return 1e99 if $self->isa ("ext::map_per_player");#d#
1254	return 1e99 if $self->{deny_reset};	1598	return 1e99 if $self->{deny_reset};
1255		1599
1256	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	1600	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1257	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	1601	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1258		1602
…		…
1263	my ($self) = @_;	1607	my ($self) = @_;
1264		1608
1265	$self->reset_at <= $cf::RUNTIME	1609	$self->reset_at <= $cf::RUNTIME
1266	}	1610	}
1267		1611
1268	sub unlink_save {
1269	my ($self) = @_;
1270
1271	utf8::encode (my $save = $self->{path}->save_path);
1272	aioreq_pri 3; IO::AIO::aio_unlink $save;
1273	aioreq_pri 3; IO::AIO::aio_unlink "$save.pst";
1274	}
1275
1276	sub rename {
1277	my ($self, $new_path) = @_;
1278
1279	$self->unlink_save;
1280
1281	delete $cf::MAP{$self->path};
1282	$self->{path} = new cf::path $new_path;
1283	$self->path ($self->{path}->as_string);
1284	$cf::MAP{$self->path} = $self;
1285
1286	$self->save;
1287	}
1288
1289	sub reset {	1612	sub reset {
1290	my ($self) = @_;	1613	my ($self) = @_;
1291		1614
		1615	my $lock = cf::lock_acquire "map_data:$self->{path}";
		1616
1292	return if $self->players;	1617	return if $self->players;
1293	return if $self->{path}{user_rel};#d#	1618	return if $self->isa ("ext::map_per_player");#d#
1294		1619
1295	warn "resetting map ", $self->path;#d#	1620	warn "resetting map ", $self->path;#d#
1296		1621
		1622	$self->in_memory (cf::MAP_SWAPPED);
		1623
		1624	# need to save uniques path
		1625	unless ($self->{deny_save}) {
		1626	my $uniq = $self->uniq_path; utf8::encode $uniq;
		1627
		1628	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		1629	if $uniq;
		1630	}
		1631
1297	delete $cf::MAP{$self->path};	1632	delete $cf::MAP{$self->path};
		1633
		1634	$self->clear;
1298		1635
1299	$_->clear_links_to ($self) for values %cf::MAP;	1636	$_->clear_links_to ($self) for values %cf::MAP;
1300		1637
1301	$self->unlink_save;	1638	$self->unlink_save;
1302	$self->destroy;	1639	$self->destroy;
…		…
1305	my $nuke_counter = "aaaa";	1642	my $nuke_counter = "aaaa";
1306		1643
1307	sub nuke {	1644	sub nuke {
1308	my ($self) = @_;	1645	my ($self) = @_;
1309		1646
		1647	delete $cf::MAP{$self->path};
		1648
		1649	$self->unlink_save;
		1650
		1651	bless $self, "cf::map";
		1652	delete $self->{deny_reset};
1310	$self->{deny_save} = 1;	1653	$self->{deny_save} = 1;
1311	$self->reset_timeout (1);	1654	$self->reset_timeout (1);
1312	$self->rename ("{nuke}/" . ($nuke_counter++));	1655	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		1656
		1657	$cf::MAP{$self->path} = $self;
		1658
1313	$self->reset; # polite request, might not happen	1659	$self->reset; # polite request, might not happen
1314	}	1660	}
1315		1661
1316	sub customise_for {	1662	=item cf::map::unique_maps
1317	my ($map, $ob) = @_;
1318		1663
1319	if ($map->per_player) {	1664	Returns an arrayref of paths of all shared maps that have
1320	return cf::map::find_map "~" . $ob->name . "/" . $map->{path}{path};	1665	instantiated unique items. May block.
1321	}
1322		1666
1323	$map	1667	=cut
1324	}
1325		1668
1326	sub emergency_save {	1669	sub unique_maps() {
1327	local $cf::FREEZE = 1;	1670	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir
		1671	or return;
1328		1672
1329	warn "enter emergency map save\n";	1673	my @paths;
1330		1674
1331	cf::sync_job {	1675	for (@$files) {
1332	warn "begin emergency map save\n";	1676	utf8::decode $_;
1333	$_->save for values %cf::MAP;	1677	next if /\.pst$/;
		1678	next unless /^$PATH_SEP/o;
		1679
		1680	push @paths, cf::map::normalise $_;
1334	};	1681	}
1335		1682
1336	warn "end emergency map save\n";	1683	\@paths
1337	}	1684	}
1338		1685
1339	package cf;	1686	package cf;
1340		1687
1341	=back	1688	=back
1342		1689
		1690	=head3 cf::object
		1691
		1692	=cut
		1693
		1694	package cf::object;
		1695
		1696	=over 4
		1697
		1698	=item $ob->inv_recursive
		1699
		1700	Returns the inventory of the object _and_ their inventories, recursively.
		1701
		1702	=cut
		1703
		1704	sub inv_recursive_;
		1705	sub inv_recursive_ {
		1706	map { $_, inv_recursive_ $_->inv } @_
		1707	}
		1708
		1709	sub inv_recursive {
		1710	inv_recursive_ inv $_[0]
		1711	}
		1712
		1713	package cf;
		1714
		1715	=back
1343		1716
1344	=head3 cf::object::player	1717	=head3 cf::object::player
1345		1718
1346	=over 4	1719	=over 4
1347		1720
…		…
1383	(ref $cf::CFG{"may_$access"}	1756	(ref $cf::CFG{"may_$access"}
1384	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}	1757	? scalar grep $self->name eq $_, @{$cf::CFG{"may_$access"}}
1385	: $cf::CFG{"may_$access"})	1758	: $cf::CFG{"may_$access"})
1386	}	1759	}
1387		1760
		1761	=item $player_object->enter_link
		1762
		1763	Freezes the player and moves him/her to a special map (C<{link}>).
		1764
		1765	The player should be reasonably safe there for short amounts of time. You
		1766	I<MUST> call C<leave_link> as soon as possible, though.
		1767
		1768	Will never block.
		1769
		1770	=item $player_object->leave_link ($map, $x, $y)
		1771
		1772	Moves the player out of the special C<{link}> map onto the specified
		1773	map. If the map is not valid (or omitted), the player will be moved back
		1774	to the location he/she was before the call to C<enter_link>, or, if that
		1775	fails, to the emergency map position.
		1776
		1777	Might block.
		1778
		1779	=cut
		1780
		1781	sub link_map {
		1782	unless ($LINK_MAP) {
		1783	$LINK_MAP = cf::map::find "{link}"
		1784	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
		1785	$LINK_MAP->load;
		1786	}
		1787
		1788	$LINK_MAP
		1789	}
		1790
1388	sub cf::object::player::enter_link {	1791	sub cf::object::player::enter_link {
1389	my ($self) = @_;	1792	my ($self) = @_;
1390		1793
1391	return if $self->map == $LINK_MAP;	1794	$self->deactivate_recursive;
1392		1795
		1796	return if UNIVERSAL::isa $self->map, "ext::map_link";
		1797
1393	$self->{_link_pos} = [$self->map->{path}, $self->x, $self->y]	1798	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1394	if $self->map;	1799	if $self->map;
1395		1800
1396	$self->enter_map ($LINK_MAP, 20, 20);	1801	$self->enter_map ($LINK_MAP || link_map, 10, 10);
1397	$self->deactivate_recursive;
1398	}	1802	}
1399		1803
1400	sub cf::object::player::leave_link {	1804	sub cf::object::player::leave_link {
1401	my ($self, $map, $x, $y) = @_;	1805	my ($self, $map, $x, $y) = @_;
1402		1806
1403	my $link_pos = delete $self->{_link_pos};	1807	my $link_pos = delete $self->{_link_pos};
1404		1808
1405	unless ($map) {	1809	unless ($map) {
1406	$self->message ("The exit is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1407
1408	# restore original map position	1810	# restore original map position
1409	($map, $x, $y) = @{ $link_pos || [] };	1811	($map, $x, $y) = @{ $link_pos || [] };
1410	$map = cf::map::find_map $map;	1812	$map = cf::map::find $map;
1411		1813
1412	unless ($map) {	1814	unless ($map) {
1413	($map, $x, $y) = @$EMERGENCY_POSITION;	1815	($map, $x, $y) = @$EMERGENCY_POSITION;
1414	$map = cf::map::find_map $map	1816	$map = cf::map::find $map
1415	or die "FATAL: cannot load emergency map\n";	1817	or die "FATAL: cannot load emergency map\n";
1416	}	1818	}
1417	}	1819	}
1418		1820
1419	($x, $y) = (-1, -1)	1821	($x, $y) = (-1, -1)
…		…
1422	# use -1 or undef as default coordinates, not 0, 0	1824	# use -1 or undef as default coordinates, not 0, 0
1423	($x, $y) = ($map->enter_x, $map->enter_y)	1825	($x, $y) = ($map->enter_x, $map->enter_y)
1424	if $x <=0 && $y <= 0;	1826	if $x <=0 && $y <= 0;
1425		1827
1426	$map->load;	1828	$map->load;
		1829	$map->load_diag;
1427		1830
		1831	return unless $self->contr->active;
1428	$self->activate_recursive;	1832	$self->activate_recursive;
		1833
		1834	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
1429	$self->enter_map ($map, $x, $y);	1835	$self->enter_map ($map, $x, $y);
1430	}	1836	}
1431		1837
		1838	cf::player->attach (
		1839	on_logout => sub {
		1840	my ($pl) = @_;
		1841
		1842	# abort map switching before logout
		1843	if ($pl->ob->{_link_pos}) {
		1844	cf::sync_job {
		1845	$pl->ob->leave_link
		1846	};
		1847	}
		1848	},
		1849	on_login => sub {
		1850	my ($pl) = @_;
		1851
		1852	# try to abort aborted map switching on player login :)
		1853	# should happen only on crashes
		1854	if ($pl->ob->{_link_pos}) {
		1855	$pl->ob->enter_link;
		1856	(async {
		1857	$pl->ob->reply (undef,
		1858	"There was an internal problem at your last logout, "
		1859	. "the server will try to bring you to your intended destination in a second.",
		1860	cf::NDI_RED);
		1861	# we need this sleep as the login has a concurrent enter_exit running
		1862	# and this sleep increases chances of the player not ending up in scorn
		1863	Coro::Timer::sleep 1;
		1864	$pl->ob->leave_link;
		1865	})->prio (2);
		1866	}
		1867	},
		1868	);
		1869
1432	=item $player_object->goto_map ($map, $x, $y)	1870	=item $player_object->goto ($path, $x, $y)
1433		1871
1434	=cut	1872	=cut
1435		1873
1436	sub cf::object::player::goto_map {	1874	sub cf::object::player::goto {
1437	my ($self, $path, $x, $y) = @_;	1875	my ($self, $path, $x, $y) = @_;
1438		1876
1439	$self->enter_link;	1877	$self->enter_link;
1440		1878
1441	(Coro::async {	1879	(async {
1442	$path = new cf::path $path;	1880	my $map = eval {
1443
1444	my $map = cf::map::find_map $path->as_string;	1881	my $map = cf::map::find $path;
1445	$map = $map->customise_for ($self) if $map;	1882	$map = $map->customise_for ($self) if $map;
1446
1447	warn "entering ", $map->path, " at ($x, $y)\n"
1448	if $map;	1883	$map
		1884	} or
		1885	$self->message ("The exit to '$path' is closed", cf::NDI_UNIQUE | cf::NDI_RED);
1449		1886
1450	$self->leave_link ($map, $x, $y);	1887	$self->leave_link ($map, $x, $y);
1451	})->prio (1);	1888	})->prio (1);
1452	}	1889	}
1453		1890
…		…
1457		1894
1458	sub parse_random_map_params {	1895	sub parse_random_map_params {
1459	my ($spec) = @_;	1896	my ($spec) = @_;
1460		1897
1461	my $rmp = { # defaults	1898	my $rmp = { # defaults
1462	xsize => 10,	1899	xsize => (cf::rndm 15, 40),
1463	ysize => 10,	1900	ysize => (cf::rndm 15, 40),
		1901	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		1902	#layout => string,
1464	};	1903	};
1465		1904
1466	for (split /\n/, $spec) {	1905	for (split /\n/, $spec) {
1467	my ($k, $v) = split /\s+/, $_, 2;	1906	my ($k, $v) = split /\s+/, $_, 2;
1468		1907
…		…
1472	$rmp	1911	$rmp
1473	}	1912	}
1474		1913
1475	sub prepare_random_map {	1914	sub prepare_random_map {
1476	my ($exit) = @_;	1915	my ($exit) = @_;
		1916
		1917	my $guard = cf::lock_acquire "exit_prepare:$exit";
1477		1918
1478	# all this does is basically replace the /! path by	1919	# all this does is basically replace the /! path by
1479	# a new random map path (?random/...) with a seed	1920	# a new random map path (?random/...) with a seed
1480	# that depends on the exit object	1921	# that depends on the exit object
1481		1922
1482	my $rmp = parse_random_map_params $exit->msg;	1923	my $rmp = parse_random_map_params $exit->msg;
1483		1924
1484	if ($exit->map) {	1925	if ($exit->map) {
1485	$rmp->{region} = $exit->map->region_name;	1926	$rmp->{region} = $exit->region->name;
1486	$rmp->{origin_map} = $exit->map->path;	1927	$rmp->{origin_map} = $exit->map->path;
1487	$rmp->{origin_x} = $exit->x;	1928	$rmp->{origin_x} = $exit->x;
1488	$rmp->{origin_y} = $exit->y;	1929	$rmp->{origin_y} = $exit->y;
1489	}	1930	}
1490		1931
1491	$rmp->{random_seed} ||= $exit->random_seed;	1932	$rmp->{random_seed} ||= $exit->random_seed;
1492		1933
1493	my $data = cf::to_json $rmp;	1934	my $data = cf::to_json $rmp;
1494	my $md5 = Digest::MD5::md5_hex $data;	1935	my $md5 = Digest::MD5::md5_hex $data;
		1936	my $meta = "$cf::RANDOM_MAPS/$md5.meta";
1495		1937
1496	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	1938	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1497	aio_write $fh, 0, (length $data), $data, 0;	1939	aio_write $fh, 0, (length $data), $data, 0;
		1940	undef $fh;
		1941	aio_rename "$meta~", $meta;
1498		1942
1499	$exit->slaying ("?random/$md5");	1943	$exit->slaying ("?random/$md5");
1500	$exit->msg (undef);	1944	$exit->msg (undef);
1501	}	1945	}
1502	}	1946	}
…		…
1504	sub cf::object::player::enter_exit {	1948	sub cf::object::player::enter_exit {
1505	my ($self, $exit) = @_;	1949	my ($self, $exit) = @_;
1506		1950
1507	return unless $self->type == cf::PLAYER;	1951	return unless $self->type == cf::PLAYER;
1508		1952
		1953	if ($exit->slaying eq "/!") {
		1954	#TODO: this should de-fi-ni-te-ly not be a sync-job
		1955	cf::sync_job { prepare_random_map $exit };
		1956	}
		1957
		1958	my $slaying = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
		1959	my $hp = $exit->stats->hp;
		1960	my $sp = $exit->stats->sp;
		1961
1509	$self->enter_link;	1962	$self->enter_link;
1510		1963
1511	(Coro::async {	1964	(async {
		1965	$self->deactivate_recursive; # just to be sure
1512	unless (eval {	1966	unless (eval {
1513		1967	$self->goto ($slaying, $hp, $sp);
1514	prepare_random_map $exit
1515	if $exit->slaying eq "/!";
1516
1517	my $path = new cf::path $exit->slaying, $exit->map && $exit->map->path;
1518	$self->goto_map ($path, $exit->stats->hp, $exit->stats->sp);
1519		1968
1520	1;	1969	1;
1521	}) {	1970	}) {
1522	$self->message ("Something went wrong deep within the crossfire server. "	1971	$self->message ("Something went wrong deep within the crossfire server. "
1523	. "I'll try to bring you back to the map you were before. "	1972	. "I'll try to bring you back to the map you were before. "
1524	. "Please report this to the dungeon master",	1973	. "Please report this to the dungeon master!",
1525	cf::NDI_UNIQUE | cf::NDI_RED);	1974	cf::NDI_UNIQUE | cf::NDI_RED);
1526		1975
1527	warn "ERROR in enter_exit: $@";	1976	warn "ERROR in enter_exit: $@";
1528	$self->leave_link;	1977	$self->leave_link;
1529	}	1978	}
…		…
1580	on_reply => sub {	2029	on_reply => sub {
1581	my ($ns, $msg) = @_;	2030	my ($ns, $msg) = @_;
1582		2031
1583	# this weird shuffling is so that direct followup queries	2032	# this weird shuffling is so that direct followup queries
1584	# get handled first	2033	# get handled first
1585	my $queue = delete $ns->{query_queue};	2034	my $queue = delete $ns->{query_queue}
		2035	or return; # be conservative, not sure how that can happen, but we saw a crash here
1586		2036
1587	(shift @$queue)->[1]->($msg);	2037	(shift @$queue)->[1]->($msg);
		2038	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1588		2039
1589	push @{ $ns->{query_queue} }, @$queue;	2040	push @{ $ns->{query_queue} }, @$queue;
1590		2041
1591	if (@{ $ns->{query_queue} } == @$queue) {	2042	if (@{ $ns->{query_queue} } == @$queue) {
1592	if (@$queue) {	2043	if (@$queue) {
…		…
1596	}	2047	}
1597	}	2048	}
1598	},	2049	},
1599	);	2050	);
1600		2051
1601	=item $client->coro (\&cb)	2052	=item $client->async (\&cb)
1602		2053
1603	Create a new coroutine, running the specified callback. The coroutine will	2054	Create a new coroutine, running the specified callback. The coroutine will
1604	be automatically cancelled when the client gets destroyed (e.g. on logout,	2055	be automatically cancelled when the client gets destroyed (e.g. on logout,
1605	or loss of connection).	2056	or loss of connection).
1606		2057
1607	=cut	2058	=cut
1608		2059
1609	sub cf::client::coro {	2060	sub cf::client::async {
1610	my ($self, $cb) = @_;	2061	my ($self, $cb) = @_;
1611		2062
1612	my $coro; $coro = async {	2063	my $coro = &Coro::async ($cb);
1613	eval {
1614	$cb->();
1615	};
1616	warn $@ if $@;
1617	};
1618		2064
1619	$coro->on_destroy (sub {	2065	$coro->on_destroy (sub {
1620	delete $self->{_coro}{$coro+0};	2066	delete $self->{_coro}{$coro+0};
1621	});	2067	});
1622		2068
…		…
1758	The parameter C<$family> should best start with the name of the extension	2204	The parameter C<$family> should best start with the name of the extension
1759	using it, it should be unique.	2205	using it, it should be unique.
1760		2206
1761	=over 4	2207	=over 4
1762		2208
1763	=item $hashref = cf::db_get $family
1764
1765	Return a hashref for use by the extension C<$family>, which can be
1766	modified. After modifications, you have to call C<cf::db_dirty> or
1767	C<cf::db_sync>.
1768
1769	=item $value = cf::db_get $family => $key	2209	=item $value = cf::db_get $family => $key
1770		2210
1771	Returns a single value from the database	2211	Returns a single value from the database.
1772
1773	=item cf::db_put $family => $hashref
1774
1775	Stores the given family hashref into the database. Updates are delayed, if
1776	you want the data to be synced to disk immediately, use C<cf::db_sync>.
1777		2212
1778	=item cf::db_put $family => $key => $value	2213	=item cf::db_put $family => $key => $value
1779		2214
1780	Stores the given C<$value> in the family hash. Updates are delayed, if you	2215	Stores the given C<$value> in the family.
1781	want the data to be synced to disk immediately, use C<cf::db_sync>.
1782
1783	=item cf::db_dirty
1784
1785	Marks the database as dirty, to be updated at a later time.
1786
1787	=item cf::db_sync
1788
1789	Immediately write the database to disk I<if it is dirty>.
1790		2216
1791	=cut	2217	=cut
1792		2218
1793	our $DB;	2219	our $DB;
1794		2220
1795	{	2221	sub db_init {
		2222	unless ($DB) {
		2223	$DB = BDB::db_create $DB_ENV;
		2224
		2225	cf::sync_job {
		2226	eval {
		2227	$DB->set_flags (BDB::CHKSUM);
		2228
		2229	BDB::db_open $DB, undef, "db", undef, BDB::BTREE,
		2230	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		2231	cf::cleanup "db_open(db): $!" if $!;
		2232	};
		2233	cf::cleanup "db_open(db): $@" if $@;
		2234	};
		2235
1796	my $path = cf::localdir . "/database.pst";	2236	my $path = cf::localdir . "/database.pst";
		2237	if (stat $path) {
		2238	cf::sync_job {
		2239	my $pst = Storable::retrieve $path;
1797		2240
1798	sub db_load() {	2241	cf::db_put (board => data => $pst->{board});
1799	warn "loading database $path\n";#d# remove later	2242	cf::db_put (guildrules => data => $pst->{guildrules});
1800	$DB = stat $path ? Storable::retrieve $path : { };	2243	cf::db_put (rent => balance => $pst->{rent}{balance});
1801	}	2244	BDB::db_env_txn_checkpoint $DB_ENV;
1802		2245
1803	my $pid;	2246	unlink $path;
1804
1805	sub db_save() {
1806	warn "saving database $path\n";#d# remove later
1807	waitpid $pid, 0 if $pid;
1808	if (0 == ($pid = fork)) {
1809	$DB->{_meta}{version} = 1;
1810	Storable::nstore $DB, "$path~";
1811	rename "$path~", $path;
1812	cf::_exit 0 if defined $pid;
1813	}	2247	};
1814	}
1815
1816	my $dirty;
1817
1818	sub db_sync() {
1819	db_save if $dirty;
1820	undef $dirty;
1821	}
1822
1823	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
1824	db_sync;
1825	});
1826
1827	sub db_dirty() {
1828	$dirty = 1;
1829	$idle->start;
1830	}
1831
1832	sub db_get($;$) {
1833	@_ >= 2
1834	? $DB->{$_[0]}{$_[1]}
1835	: ($DB->{$_[0]} ||= { })
1836	}
1837
1838	sub db_put($$;$) {
1839	if (@_ >= 3) {
1840	$DB->{$_[0]}{$_[1]} = $_[2];
1841	} else {
1842	$DB->{$_[0]} = $_[1];
1843	}
1844	db_dirty;
1845	}
1846
1847	cf::global->attach (
1848	prio => 10000,
1849	on_cleanup => sub {
1850	db_sync;
1851	},	2248	}
1852	);	2249	}
		2250	}
		2251
		2252	sub db_get($$) {
		2253	my $key = "$_[0]/$_[1]";
		2254
		2255	cf::sync_job {
		2256	BDB::db_get $DB, undef, $key, my $data;
		2257
		2258	$! ? ()
		2259	: Compress::LZF::sthaw $data
		2260	}
		2261	}
		2262
		2263	sub db_put($$$) {
		2264	BDB::dbreq_pri 4;
		2265	BDB::db_put $DB, undef, "$_[0]/$_[1]", Compress::LZF::sfreeze_cr $_[2], 0, sub { };
1853	}	2266	}
1854		2267
1855	#############################################################################	2268	#############################################################################
1856	# the server's main()	2269	# the server's init and main functions
		2270
		2271	sub init_resources {
		2272	load_resource_file sprintf "%s/%s/regions", cf::datadir, cf::mapdir
		2273	or die "unable to load regions file\n";#d#
		2274	}
1857		2275
1858	sub cfg_load {	2276	sub cfg_load {
1859	open my $fh, "<:utf8", cf::confdir . "/config"	2277	open my $fh, "<:utf8", cf::confdir . "/config"
1860	or return;	2278	or return;
1861		2279
1862	local $/;	2280	local $/;
1863	*CFG = YAML::Syck::Load <$fh>;	2281	*CFG = YAML::Syck::Load <$fh>;
		2282
		2283	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];
		2284
		2285	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
		2286	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
		2287
		2288	if (exists $CFG{mlockall}) {
		2289	eval {
		2290	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
		2291	and die "WARNING: m(un)lockall failed: $!\n";
		2292	};
		2293	warn $@ if $@;
		2294	}
		2295	}
		2296
		2297	sub init {
		2298	init_resources;
1864	}	2299	}
1865		2300
1866	sub main {	2301	sub main {
1867	# we must not ever block the main coroutine	2302	# we must not ever block the main coroutine
1868	local $Coro::idle = sub {	2303	local $Coro::idle = sub {
1869	Carp::cluck "FATAL: Coro::idle was called, major BUG\n";#d#	2304	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
1870	(Coro::unblock_sub {	2305	(async {
1871	Event::one_event;	2306	Event::one_event;
1872	})->();	2307	})->prio (Coro::PRIO_MAX);
1873	};	2308	};
1874		2309
1875	cfg_load;	2310	cfg_load;
1876	db_load;	2311	db_init;
1877	load_extensions;	2312	load_extensions;
		2313
		2314	$TICK_WATCHER->start;
1878	Event::loop;	2315	Event::loop;
1879	}	2316	}
1880		2317
1881	#############################################################################	2318	#############################################################################
1882	# initialisation	2319	# initialisation and cleanup
		2320
		2321	# install some emergency cleanup handlers
		2322	BEGIN {
		2323	for my $signal (qw(INT HUP TERM)) {
		2324	Event->signal (
		2325	reentrant => 0,
		2326	data => WF_AUTOCANCEL,
		2327	signal => $signal,
		2328	prio => 0,
		2329	cb => sub {
		2330	cf::cleanup "SIG$signal";
		2331	},
		2332	);
		2333	}
		2334	}
		2335
		2336	sub emergency_save() {
		2337	my $freeze_guard = cf::freeze_mainloop;
		2338
		2339	warn "enter emergency perl save\n";
		2340
		2341	cf::sync_job {
		2342	# use a peculiar iteration method to avoid tripping on perl
		2343	# refcount bugs in for. also avoids problems with players
		2344	# and maps saved/destroyed asynchronously.
		2345	warn "begin emergency player save\n";
		2346	for my $login (keys %cf::PLAYER) {
		2347	my $pl = $cf::PLAYER{$login} or next;
		2348	$pl->valid or next;
		2349	$pl->save;
		2350	}
		2351	warn "end emergency player save\n";
		2352
		2353	warn "begin emergency map save\n";
		2354	for my $path (keys %cf::MAP) {
		2355	my $map = $cf::MAP{$path} or next;
		2356	$map->valid or next;
		2357	$map->save;
		2358	}
		2359	warn "end emergency map save\n";
		2360
		2361	warn "begin emergency database checkpoint\n";
		2362	BDB::db_env_txn_checkpoint $DB_ENV;
		2363	warn "end emergency database checkpoint\n";
		2364	};
		2365
		2366	warn "leave emergency perl save\n";
		2367	}
		2368
		2369	sub post_cleanup {
		2370	my ($make_core) = @_;
		2371
		2372	warn Carp::longmess "post_cleanup backtrace"
		2373	if $make_core;
		2374	}
1883		2375
1884	sub reload() {	2376	sub reload() {
1885	# can/must only be called in main	2377	# can/must only be called in main
1886	if ($Coro::current != $Coro::main) {	2378	if ($Coro::current != $Coro::main) {
1887	warn "can only reload from main coroutine\n";	2379	warn "can only reload from main coroutine";
1888	return;	2380	return;
1889	}	2381	}
1890		2382
1891	warn "reloading...";	2383	warn "reloading...";
1892		2384
1893	local $FREEZE = 1;	2385	warn "entering sync_job";
		2386
		2387	cf::sync_job {
		2388	cf::write_runtime; # external watchdog should not bark
1894	cf::emergency_save;	2389	cf::emergency_save;
		2390	cf::write_runtime; # external watchdog should not bark
1895		2391
1896	eval {	2392	warn "syncing database to disk";
		2393	BDB::db_env_txn_checkpoint $DB_ENV;
		2394
1897	# if anything goes wrong in here, we should simply crash as we already saved	2395	# if anything goes wrong in here, we should simply crash as we already saved
1898		2396
1899	# cancel all watchers	2397	warn "cancelling all WF_AUTOCANCEL watchers";
1900	for (Event::all_watchers) {	2398	for (Event::all_watchers) {
1901	$_->cancel if $_->data & WF_AUTOCANCEL;	2399	$_->cancel if $_->data & WF_AUTOCANCEL;
1902	}	2400	}
1903		2401
		2402	warn "flushing outstanding aio requests";
		2403	for (;;) {
		2404	BDB::flush;
		2405	IO::AIO::flush;
		2406	Coro::cede;
		2407	last unless IO::AIO::nreqs || BDB::nreqs;
		2408	warn "iterate...";
		2409	}
		2410
1904	# cancel all extension coros	2411	warn "cancelling all extension coros";
1905	$_->cancel for values %EXT_CORO;	2412	$_->cancel for values %EXT_CORO;
1906	%EXT_CORO = ();	2413	%EXT_CORO = ();
1907		2414
1908	# unload all extensions	2415	warn "removing commands";
1909	for (@exts) {	2416	%COMMAND = ();
		2417
		2418	warn "removing ext commands";
		2419	%EXTCMD = ();
		2420
		2421	warn "unloading/nuking all extensions";
		2422	for my $pkg (@EXTS) {
1910	warn "unloading <$_>";	2423	warn "... unloading $pkg";
1911	unload_extension $_;	2424
		2425	if (my $cb = $pkg->can ("unload")) {
		2426	eval {
		2427	$cb->($pkg);
		2428	1
		2429	} or warn "$pkg unloaded, but with errors: $@";
1912	}	2430	}
1913		2431
		2432	warn "... nuking $pkg";
		2433	Symbol::delete_package $pkg;
		2434	}
		2435
1914	# unload all modules loaded from $LIBDIR	2436	warn "unloading all perl modules loaded from $LIBDIR";
1915	while (my ($k, $v) = each %INC) {	2437	while (my ($k, $v) = each %INC) {
1916	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	2438	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
1917		2439
1918	warn "removing <$k>";	2440	warn "... unloading $k";
1919	delete $INC{$k};	2441	delete $INC{$k};
1920		2442
1921	$k =~ s/\.pm$//;	2443	$k =~ s/\.pm$//;
1922	$k =~ s/\//::/g;	2444	$k =~ s/\//::/g;
1923		2445
…		…
1926	}	2448	}
1927		2449
1928	Symbol::delete_package $k;	2450	Symbol::delete_package $k;
1929	}	2451	}
1930		2452
1931	# sync database to disk
1932	cf::db_sync;
1933	IO::AIO::flush;
1934
1935	# get rid of safe::, as good as possible	2453	warn "getting rid of safe::, as good as possible";
1936	Symbol::delete_package "safe::$_"	2454	Symbol::delete_package "safe::$_"
1937	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	2455	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
1938		2456
1939	# remove register_script_function callbacks
1940	# TODO
1941
1942	# unload cf.pm "a bit"	2457	warn "unloading cf.pm \"a bit\"";
1943	delete $INC{"cf.pm"};	2458	delete $INC{"cf.pm"};
1944		2459
1945	# don't, removes xs symbols, too,	2460	# don't, removes xs symbols, too,
1946	# and global variables created in xs	2461	# and global variables created in xs
1947	#Symbol::delete_package __PACKAGE__;	2462	#Symbol::delete_package __PACKAGE__;
1948		2463
1949	# reload cf.pm	2464	warn "unload completed, starting to reload now";
		2465
1950	warn "reloading cf.pm";	2466	warn "reloading cf.pm";
1951	require cf;	2467	require cf;
1952	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	2468	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt
1953		2469
1954	# load config and database again	2470	warn "loading config and database again";
1955	cf::cfg_load;	2471	cf::cfg_load;
1956	cf::db_load;
1957		2472
1958	# load extensions
1959	warn "load extensions";	2473	warn "loading extensions";
1960	cf::load_extensions;	2474	cf::load_extensions;
1961		2475
1962	# reattach attachments to objects	2476	warn "reattaching attachments to objects/players";
1963	warn "reattach";
1964	_global_reattach;	2477	_global_reattach;
1965	};	2478	warn "reattaching attachments to maps";
		2479	reattach $_ for values %MAP;
1966		2480
1967	if ($@) {	2481	warn "loading reloadable resources";
		2482	init_resources;
		2483
		2484	warn "leaving sync_job";
		2485
		2486	1
		2487	} or do {
1968	warn $@;	2488	warn $@;
1969	warn "error while reloading, exiting.";	2489	warn "error while reloading, exiting.";
1970	exit 1;	2490	exit 1;
1971	}	2491	};
1972		2492
1973	warn "reloaded successfully";	2493	warn "reloaded";
1974	};	2494	};
1975		2495
1976	#############################################################################	2496	our $RELOAD_WATCHER; # used only during reload
1977
1978	unless ($LINK_MAP) {
1979	$LINK_MAP = cf::map::new;
1980
1981	$LINK_MAP->width (41);
1982	$LINK_MAP->height (41);
1983	$LINK_MAP->alloc;
1984	$LINK_MAP->path ("{link}");
1985	$LINK_MAP->{path} = bless { path => "{link}" }, "cf::path";
1986	$LINK_MAP->in_memory (MAP_IN_MEMORY);
1987
1988	# dirty hack because... archetypes are not yet loaded
1989	Event->timer (
1990	after => 2,
1991	cb => sub {
1992	$_[0]->w->cancel;
1993
1994	# provide some exits "home"
1995	my $exit = cf::object::new "exit";
1996
1997	$exit->slaying ($EMERGENCY_POSITION->[0]);
1998	$exit->stats->hp ($EMERGENCY_POSITION->[1]);
1999	$exit->stats->sp ($EMERGENCY_POSITION->[2]);
2000
2001	$LINK_MAP->insert ($exit->clone, 19, 19);
2002	$LINK_MAP->insert ($exit->clone, 19, 20);
2003	$LINK_MAP->insert ($exit->clone, 19, 21);
2004	$LINK_MAP->insert ($exit->clone, 20, 19);
2005	$LINK_MAP->insert ($exit->clone, 20, 21);
2006	$LINK_MAP->insert ($exit->clone, 21, 19);
2007	$LINK_MAP->insert ($exit->clone, 21, 20);
2008	$LINK_MAP->insert ($exit->clone, 21, 21);
2009
2010	$exit->destroy;
2011	});
2012
2013	$LINK_MAP->{deny_save} = 1;
2014	$LINK_MAP->{deny_reset} = 1;
2015
2016	$cf::MAP{$LINK_MAP->path} = $LINK_MAP;
2017	}
2018
2019	register "<global>", __PACKAGE__;
2020		2497
2021	register_command "reload" => sub {	2498	register_command "reload" => sub {
2022	my ($who, $arg) = @_;	2499	my ($who, $arg) = @_;
2023		2500
2024	if ($who->flag (FLAG_WIZ)) {	2501	if ($who->flag (FLAG_WIZ)) {
2025	$who->message ("start of reload.");	2502	$who->message ("reloading server.");
		2503
		2504	# doing reload synchronously and two reloads happen back-to-back,
		2505	# coro crashes during coro_state_free->destroy here.
		2506
		2507	$RELOAD_WATCHER ||= Event->timer (
		2508	reentrant => 0,
		2509	after => 0,
		2510	data => WF_AUTOCANCEL,
		2511	cb => sub {
2026	reload;	2512	reload;
2027	$who->message ("end of reload.");	2513	undef $RELOAD_WATCHER;
		2514	},
		2515	);
2028	}	2516	}
2029	};	2517	};
2030		2518
2031	unshift @INC, $LIBDIR;	2519	unshift @INC, $LIBDIR;
		2520
		2521	my $bug_warning = 0;
2032		2522
2033	$TICK_WATCHER = Event->timer (	2523	$TICK_WATCHER = Event->timer (
2034	reentrant => 0,	2524	reentrant => 0,
		2525	parked => 1,
2035	prio => 0,	2526	prio => 0,
2036	at => $NEXT_TICK || $TICK,	2527	at => $NEXT_TICK || $TICK,
2037	data => WF_AUTOCANCEL,	2528	data => WF_AUTOCANCEL,
2038	cb => sub {	2529	cb => sub {
2039	unless ($FREEZE) {	2530	if ($Coro::current != $Coro::main) {
		2531	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		2532	unless ++$bug_warning > 10;
		2533	return;
		2534	}
		2535
		2536	$NOW = Event::time;
		2537
2040	cf::server_tick; # one server iteration	2538	cf::server_tick; # one server iteration
2041	$RUNTIME += $TICK;	2539	$RUNTIME += $TICK;
2042	}
2043
2044	$NEXT_TICK += $TICK;	2540	$NEXT_TICK += $TICK;
		2541
		2542	if ($NOW >= $NEXT_RUNTIME_WRITE) {
		2543	$NEXT_RUNTIME_WRITE = $NOW + 10;
		2544	Coro::async_pool {
		2545	write_runtime
		2546	or warn "ERROR: unable to write runtime file: $!";
		2547	};
		2548	}
		2549
		2550	$WAIT_FOR_TICK->broadcast;
		2551	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
		2552
		2553	# my $AFTER = Event::time;
		2554	# warn $AFTER - $NOW;#d#
2045		2555
2046	# if we are delayed by four ticks or more, skip them all	2556	# if we are delayed by four ticks or more, skip them all
2047	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	2557	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;
2048		2558
2049	$TICK_WATCHER->at ($NEXT_TICK);	2559	$TICK_WATCHER->at ($NEXT_TICK);
2050	$TICK_WATCHER->start;	2560	$TICK_WATCHER->start;
2051	},	2561	},
2052	);	2562	);
2053		2563
		2564	{
2054	IO::AIO::max_poll_time $TICK * 0.2;	2565	BDB::max_poll_time $TICK * 0.1;
2055		2566	$BDB_POLL_WATCHER = Event->io (
2056	Event->io (	2567	reentrant => 0,
2057	fd => IO::AIO::poll_fileno,	2568	fd => BDB::poll_fileno,
2058	poll => 'r',	2569	poll => 'r',
2059	prio => 5,	2570	prio => 0,
2060	data => WF_AUTOCANCEL,
2061	cb => \&IO::AIO::poll_cb,
2062	);
2063
2064	Event->timer (
2065	data => WF_AUTOCANCEL,	2571	data => WF_AUTOCANCEL,
2066	after => 0,	2572	cb => \&BDB::poll_cb,
2067	interval => 10,	2573	);
2068	cb => sub {	2574	BDB::min_parallel 8;
2069	(Coro::unblock_sub {	2575
2070	write_runtime	2576	BDB::set_sync_prepare {
2071	or warn "ERROR: unable to write runtime file: $!";	2577	my $status;
		2578	my $current = $Coro::current;
		2579	(
		2580	sub {
		2581	$status = $!;
		2582	$current->ready; undef $current;
		2583	},
		2584	sub {
		2585	Coro::schedule while defined $current;
		2586	$! = $status;
		2587	},
		2588	)
		2589	};
		2590
		2591	unless ($DB_ENV) {
		2592	$DB_ENV = BDB::db_env_create;
		2593
		2594	cf::sync_job {
		2595	eval {
		2596	BDB::db_env_open
		2597	$DB_ENV,
		2598	$BDB_ENV_DIR,
		2599	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		2600	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		2601	0666;
		2602
		2603	cf::cleanup "db_env_open($BDB_ENV_DIR): $!" if $!;
		2604
		2605	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT | BDB::TXN_NOSYNC, 1);
		2606	$DB_ENV->set_lk_detect;
		2607	};
		2608
		2609	cf::cleanup "db_env_open(db): $@" if $@;
2072	})->();	2610	};
2073	},	2611	}
2074	);	2612	}
		2613
		2614	{
		2615	IO::AIO::min_parallel 8;
		2616
		2617	undef $Coro::AIO::WATCHER;
		2618	IO::AIO::max_poll_time $TICK * 0.1;
		2619	$AIO_POLL_WATCHER = Event->io (
		2620	reentrant => 0,
		2621	data => WF_AUTOCANCEL,
		2622	fd => IO::AIO::poll_fileno,
		2623	poll => 'r',
		2624	prio => 6,
		2625	cb => \&IO::AIO::poll_cb,
		2626	);
		2627	}
		2628
		2629	END { cf::emergency_save }
2075		2630
2076	1	2631	1
2077		2632

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